CN113551269A - Electromagnetic stove temperature measuring device and temperature measuring method thereof - Google Patents
Electromagnetic stove temperature measuring device and temperature measuring method thereof Download PDFInfo
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- CN113551269A CN113551269A CN202010309321.5A CN202010309321A CN113551269A CN 113551269 A CN113551269 A CN 113551269A CN 202010309321 A CN202010309321 A CN 202010309321A CN 113551269 A CN113551269 A CN 113551269A
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- temperature
- temperature measuring
- sliding block
- position point
- measurement position
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 76
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000006698 induction Effects 0.000 claims description 31
- 230000008859 change Effects 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000010411 cooking Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
- F24C7/083—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination on tops, hot plates
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
Abstract
The invention relates to an electromagnetic stove temperature measuring device and a temperature measuring method thereof, wherein the temperature measuring device is arranged in an electromagnetic stove and is characterized in that: the temperature measuring device comprises a guide rail arranged below a panel of the electromagnetic oven, a sliding block capable of sliding along the guide rail, a temperature sensor arranged on the sliding block and a driving mechanism connected with the sliding block and capable of driving the sliding block to slide on the guide rail, wherein the driving mechanism enables the sliding block and the temperature sensor to stay at the highest temperature position for continuous temperature measurement. Compared with the prior art, the invention has the advantages that: according to the electromagnetic stove temperature measuring device provided by the invention, the driving mechanism drives the sliding block and the temperature sensor to move, and the driving mechanism enables the sliding block and the temperature sensor to stay at the highest temperature position for continuous temperature measurement, so that the temperature measurement accuracy is improved.
Description
Technical Field
The invention relates to an induction cooker temperature measuring device and a temperature measuring method thereof.
Background
In the actual use process of the electromagnetic stove, because the pot position is not placed in the middle, the bottom of a boiler is special-shaped, the temperature measuring device of the conventional electromagnetic stove is arranged at the central position of the online plate and cannot move, the temperature sensor cannot actually measure the highest temperature of the bottom of the boiler at the moment, and the functions of cooking, dry burning and the like which need to be controlled by the temperature cannot be accurately and timely carried out.
Disclosure of Invention
The invention aims to solve the primary technical problem of providing an electromagnetic stove temperature measuring device capable of accurately measuring the temperature of a pot bottom in the prior art.
The invention further aims to solve the technical problem of providing a temperature measuring method of the electromagnetic stove temperature measuring device capable of accurately measuring the temperature of the pot bottom.
The technical scheme adopted by the invention for solving the above-mentioned primary technical problems is as follows: the utility model provides an induction cooker temperature measuring device installs in induction cooker, its characterized in that: the temperature measuring device comprises a guide rail arranged below a panel of the electromagnetic oven, a sliding block capable of sliding along the guide rail, a temperature sensor arranged on the sliding block and a driving mechanism connected with the sliding block and capable of driving the sliding block to slide on the guide rail, wherein the driving mechanism enables the sliding block and the temperature sensor to stay at the highest temperature position for continuous temperature measurement.
As an improvement, the guide rail is arranged on a wire coil bracket of the induction cooker, and the wire coil bracket is used for installing an induction coil panel of the induction cooker.
And the guide rail is arranged linearly and can penetrate through the central position of the electromagnetic coil panel.
And the improvement is that at least three temperature measuring position points are preset on the guide rail, wherein one temperature measuring position point is arranged at the central position of the electromagnetic coil panel, and two temperature measuring position points are arranged at the outer edge close to the electromagnetic coil panel.
Preferably, five temperature measurement position points are preset on the guide rail, wherein the first temperature measurement position point is arranged at the outer edge close to one side of the electromagnetic coil panel, the third temperature measurement position point is arranged at the central position of the electromagnetic coil panel, the second temperature measurement position point is arranged at the center of the first temperature measurement position point and the third temperature measurement position point, the fifth temperature measurement position point is arranged at the outer edge close to the other side of the electromagnetic coil panel, and the fourth temperature measurement position point is arranged at the center of the fifth temperature measurement position point and the third temperature measurement position point.
The slide block and the temperature sensor have a preset initial position on the guide rail. The preset initial position may be at the center of the electromagnetic coil panel or near the outer edge of the electromagnetic coil panel.
The technical scheme adopted by the invention for solving the further technical problems is as follows: the temperature measuring method of the electromagnetic stove temperature measuring device with the structure is characterized in that: the method comprises the following steps:
step one, starting an induction cooker for heating;
secondly, the driving mechanism drives the sliding block and the temperature sensor to start from a preset initial position and sequentially pass through different temperature measurement position points, the time for the sliding block and the temperature sensor to stay at each temperature measurement position point is T1, T1 is a preset value, and then the driving mechanism drives the sliding block and the temperature sensor to return to the preset initial position;
step three, repeating the step two n times after a first preset time delta T1 is separated, wherein n is a natural number;
step four, calculating the temperature change slope of the temperature of the corresponding temperature measurement position point along with the time change according to the historical temperature data measured by different temperature measurement position points;
step five, calculating the approximate temperatures of the different temperature measuring position points at the current moment according to the temperature change slopes of the different temperature measuring position points;
and sixthly, comparing the approximate temperatures of different temperature measuring position points at the current moment, selecting the temperature measuring position point with the highest temperature as the highest point of the default temperature of the pan bottom, and driving the sliding block and the temperature sensor to stay at the temperature measuring position point all the time to continuously measure the temperature.
In order to improve the accuracy of temperature measurement, after the sixth step, the second preset time delta T2 is separated, and the second step to the sixth step are repeated, so that the problem of inaccurate temperature measurement caused by the fact that a user moves the pot in the using process can be solved.
In order to further improve the accuracy of temperature measurement, a temporary temperature measurement position point is added to the position near the two sides of the highest point of the default temperature of the pan bottom selected in the step six, the driving mechanism drives the sliding block and the temperature sensor to respectively stop at the two temporary temperature measurement position points for measuring the temperature, the stopping time is T1, if the temperature measured by a certain temporary temperature measurement position point is higher than the temperature of the highest point of the default temperature of the pan bottom selected in the step six, the temporary temperature measurement position point is taken as the highest point of the default temperature of the pan bottom, so that the highest point of the default temperature of the pan bottom is corrected, and then the sliding block and the temperature sensor always stop at the temperature measurement position point for continuously measuring the temperature.
And if the highest point of the default temperature of the pot bottom selected in the step six is not the central position of the electromagnetic coil panel, judging that the pot deviates to the right or to the left, and outputting reminding information for reminding a user to rightly swing the pot.
According to the calculation result of the fourth step, if the temperature change slopes of the two temperature measurement position points close to the outer edge of the electromagnetic coil panel are obviously lower than the temperature change slopes of the other temperature measurement position points, the cooker can be judged to be small, and at the moment, the power of the electromagnetic coil is adjusted to be small. When the pan is too little, if cooking utensils output is too high, then can lead to the pot food to paste soon, the hot water liquid rolls and spills over etc. this scheme comes adjustment output according to the size of pan, can promote product reliability, promotion user experience, the energy saving in class.
According to the calculation result of the fourth step, if the temperature change slope of one of the temperature measuring position points close to the outer edge of the electromagnetic coil panel and the temperature change slope of one temperature measuring position point adjacent to the temperature measuring position point are both obviously lower than the temperature change slopes of other temperature measuring position points, the cooker can be judged to be small, and the power of the electromagnetic coil is also reduced at the moment.
Compared with the prior art, the invention has the advantages that: according to the electromagnetic stove temperature measuring device provided by the invention, the driving mechanism drives the sliding block and the temperature sensor to move, and the driving mechanism enables the sliding block and the temperature sensor to stay at the highest temperature position for continuous temperature measurement, so that the temperature measurement accuracy is improved.
Drawings
Fig. 1 is a schematic structural view of an induction cooker in an embodiment of the present invention.
Fig. 2 is a schematic structural view of the induction cooker panel after moving up in the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a temperature measuring device of an induction cooker in an embodiment of the invention.
Fig. 4 is an enlarged view of the portion I in fig. 3.
FIG. 5 is a schematic view of the cooker of the embodiment of the present invention when the cooker is shifted from the center position.
Fig. 6 is a schematic structural view of the cooker of the embodiment of the invention when the cooker is inclined.
Fig. 7 is a schematic structural view of the cooker of the embodiment of the invention when the cooker is inclined.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The induction cooker temperature measuring device shown in figures 1, 2, 3 and 4 is installed in an induction cooker and comprises a guide rail 2 arranged below an induction cooker panel 1, a sliding block 3 capable of sliding along the guide rail, a temperature sensor 4 arranged on the sliding block 3 and a driving mechanism which is connected with the sliding block 3 and can drive the sliding block to slide on the guide rail, wherein the driving mechanism enables the sliding block and the temperature sensor to stop at the highest temperature position for continuous temperature measurement.
The driving mechanism is hidden in the shell of the induction cooker, and the structure of the driving mechanism is a conventional mechanical structure. If the device can comprise a motor and a pull rope, one end of the pull rope is connected with the motor, and the other end of the pull rope is connected with the sliding block, the pull rope is driven by the motor to drive the sliding block to slide back and forth on the guide rail. Of course, the driving mechanism can also be realized by other structural forms, such as an electric telescopic rod and a hydraulic telescopic rod.
In this embodiment, the guide rail 2 is disposed on a wire coil bracket 5 of the induction cooker, and the wire coil bracket 5 is used for installing an induction cooker's induction coil panel 6. The electromagnetic coil disk 6 is generally in the shape of a circular disk. The guide rail 2 is arranged linearly and can penetrate through the center of the electromagnetic coil panel.
At least three temperature measuring position points are preset on the guide rail, one of the temperature measuring position points is arranged at the central position of the electromagnetic coil panel, and two temperature measuring position points are arranged at the outer edge close to the electromagnetic coil panel.
Preferably, in this embodiment, five temperature measurement position points are preset on the guide rail, wherein a first temperature measurement position point is arranged at the outer edge near one side of the electromagnetic coil panel, a third temperature measurement position point is arranged at the center of the electromagnetic coil panel, a second temperature measurement position point is arranged at the center of the first temperature measurement position point and the third temperature measurement position point, a fifth temperature measurement position point is arranged at the outer edge near the other side of the electromagnetic coil panel, and a fourth temperature measurement position point is arranged at the center of the fifth temperature measurement position point and the third temperature measurement position point.
The slider and the temperature sensor have a preset initial position on the guide rail, and the preset initial position can be at the central position of the electromagnetic coil panel.
The temperature measuring method of the electromagnetic stove temperature measuring device is characterized in that: the method comprises the following steps:
step one, starting an induction cooker for heating;
step two, the driving mechanism drives the sliding block and the temperature sensor to start from a preset initial position and sequentially pass through different temperature measurement position points, the time for the sliding block and the temperature sensor to stay at each temperature measurement position point is T1, T1 is a preset value, the value of T1 is preferably selected to be 5-20 s, preferably 10s, and then the driving mechanism drives the sliding block and the temperature sensor to return to the preset initial position;
after a first preset time delta T1 is separated, the value of delta T1 is preferably selected to be 30 s-60 s, the step is repeated for two n times, and n is a natural number; n may be equal to 1 or 2 or 3 or 4, preferably a natural number less than 10; the moving times of the sliding block can be reduced;
step four, calculating the temperature change slope of the temperature of the corresponding temperature measurement position point along with the time change according to the historical temperature data measured by different temperature measurement position points;
step five, calculating the approximate temperatures of the different temperature measuring position points at the current moment according to the temperature change slopes of the different temperature measuring position points;
and sixthly, comparing the approximate temperatures of different temperature measuring position points at the current moment, selecting the temperature measuring position point with the highest temperature as the highest point of the default temperature of the pan bottom, and driving the sliding block and the temperature sensor to stay at the temperature measuring position point all the time to continuously measure the temperature.
In order to improve the temperature measurement accuracy, after the sixth step, the second preset time Δ T2 is set to interval, and the value of Δ T1 is preferably 1 minute to 5 minutes, and the second step to the sixth step are repeated.
And (4) adding a temporary temperature measuring position point at the position near the two sides of the highest point of the default temperature of the pan bottom selected in the step six, driving the sliding block and the temperature sensor to respectively stop at the two temporary temperature measuring position points for measuring the temperature, wherein the stopping time is T1, if the temperature measured by a certain temporary temperature measuring position point is higher than the temperature of the highest point of the default temperature of the pan bottom selected in the step six, the temporary temperature measuring position point is taken as the highest point of the default temperature of the pan bottom, so that the highest point of the default temperature of the pan bottom is corrected, and then the sliding block and the temperature sensor always stop at the temperature measuring position point for continuously measuring the temperature.
Because only the pan bottom generates heat through electromagnetic heating, the temperature below the pan bottom is obviously higher than that of other positions. When the cookware deviates from the central position, the highest point of the selected default temperature of the cookware bottom is not the central position of the electromagnetic coil panel, and is shown in fig. 5, the cookware body is shown by a dotted line, and the highest point of the selected default temperature of the cookware bottom is at the 4 th temperature measurement position point, so that the cookware is judged to deviate to the right or to the left, and reminding information for reminding a user to rightly swing the cookware is output.
In addition, according to the calculation result of the fourth step, if the temperature change slopes of the two temperature measurement position points close to the outer edge of the electromagnetic coil panel are obviously lower than the temperature change slopes of the other temperature measurement position points, as shown in fig. 6, the pot body is represented by a dotted line, the temperature change slopes of the 1 st temperature measurement position point and the 5 th temperature measurement position point are obviously lower than the temperature change slopes of the other temperature measurement position points, at this time, it can be judged that the pot is smaller, and then the power of the electromagnetic coil is reduced. When the cooker is too small, if the output power of the cooker is too high, food in the cooker is likely to be burnt quickly, soup is likely to overflow through rolling, and the like. The method can actually judge the size of the pot and adjust the output power according to the pot, thereby improving the reliability of products, improving the user experience and saving energy. Of course, if the temperature change slope of one of the temperature measurement position points close to the outer edge of the electromagnetic coil panel and the temperature change slope of one temperature measurement position point adjacent to the temperature measurement position point are both obviously lower than the temperature change slopes of the other temperature measurement position points, it can be determined that the cooker is small, and the power of the electromagnetic coil is also reduced. As shown in the attached figure 7, the pot body is indicated by a dotted line, the temperature change slopes of the 1 st temperature measurement position point and the 2 nd temperature measurement position point are obviously lower than those of other temperature measurement position points, and the pot tool can be judged to be smaller.
Claims (13)
1. The utility model provides an induction cooker temperature measuring device installs in induction cooker, its characterized in that: the temperature measuring device comprises a guide rail arranged below a panel of the electromagnetic oven, a sliding block capable of sliding along the guide rail, a temperature sensor arranged on the sliding block and a driving mechanism connected with the sliding block and capable of driving the sliding block to slide on the guide rail, wherein the driving mechanism enables the sliding block and the temperature sensor to stay at the highest temperature position for continuous temperature measurement.
2. The induction cooker temperature measuring device according to claim 1, characterized in that: the guide rail is arranged on a wire coil bracket of the induction cooker, and the wire coil bracket is used for installing an induction coil panel of the induction cooker.
3. The induction cooker temperature measuring device according to claim 1 or 2, characterized in that: the guide rail is arranged linearly and can penetrate through the center of the electromagnetic coil panel.
4. The induction cooker temperature measuring device according to claim 3, characterized in that: at least three temperature measuring position points are preset on the guide rail, one temperature measuring position point is arranged at the center of the electromagnetic coil panel, and two temperature measuring position points are arranged at the outer edge close to the electromagnetic coil panel.
5. The induction cooker temperature measuring device according to claim 4, wherein: five temperature measurement position points are preset on the guide rail, wherein the first temperature measurement position point is arranged at the outer edge close to one side of the electromagnetic coil panel, the third temperature measurement position point is arranged at the central position of the electromagnetic coil panel, the second temperature measurement position point is arranged at the center of the first temperature measurement position point and the third temperature measurement position point, the fifth temperature measurement position point is arranged at the outer edge close to the other side of the electromagnetic coil panel, and the fourth temperature measurement position point is arranged at the center of the fifth temperature measurement position point and the third temperature measurement position point.
6. The induction cooker temperature measuring device according to claim 4 or 5, wherein: the slide block and the temperature sensor have a preset initial position on the guide rail.
7. The induction cooker temperature measuring device according to claim 6, wherein: the preset initial position is at the center of the electromagnetic coil panel or close to the outer edge of the electromagnetic coil panel.
8. A temperature measuring method of the temperature measuring device of the induction cooker according to claim 6, characterized in that: the method comprises the following steps:
step one, starting an induction cooker for heating;
secondly, the driving mechanism drives the sliding block and the temperature sensor to start from a preset initial position and sequentially pass through different temperature measurement position points, the time for the sliding block and the temperature sensor to stay at each temperature measurement position point is T1, T1 is a preset value, and then the driving mechanism drives the sliding block and the temperature sensor to return to the preset initial position;
step three, repeating the step two n times after a first preset time delta T1 is separated, wherein n is a natural number;
step four, calculating the temperature change slope of the temperature of the corresponding temperature measurement position point along with the time change according to the historical temperature data measured by different temperature measurement position points;
step five, calculating the approximate temperatures of the different temperature measuring position points at the current moment according to the temperature change slopes of the different temperature measuring position points;
and sixthly, comparing the approximate temperatures of different temperature measuring position points at the current moment, selecting the temperature measuring position point with the highest temperature as the highest point of the default temperature of the pan bottom, and driving the sliding block and the temperature sensor to stay at the temperature measuring position point all the time to continuously measure the temperature.
9. The method of measuring temperature according to claim 8, wherein: after the sixth step, the second to sixth steps are repeated at an interval of a second preset time Δ T2.
10. The method of measuring temperature according to claim 8, wherein: and (4) adding a temporary temperature measuring position point at the position near the two sides of the highest point of the default temperature of the pan bottom selected in the step six, driving the sliding block and the temperature sensor to respectively stop at the two temporary temperature measuring position points for measuring the temperature, wherein the stopping time is T1, if the temperature measured by a certain temporary temperature measuring position point is higher than the temperature of the highest point of the default temperature of the pan bottom selected in the step six, the temporary temperature measuring position point is taken as the highest point of the default temperature of the pan bottom, and then the sliding block and the temperature sensor always stop at the temperature measuring position point for continuously measuring the temperature.
11. The method of measuring temperature according to claim 8, wherein: if the highest point of the selected default temperature of the pot bottom is not the central position of the electromagnetic coil panel, judging that the pot is deviated to the right or to the left, and outputting reminding information for reminding a user to rightly swing the pot.
12. The method of measuring temperature according to claim 8, wherein: according to the calculation result of the fourth step, if the temperature change slopes of the two temperature measurement position points close to the outer edge of the electromagnetic coil panel are obviously lower than the temperature change slopes of the other temperature measurement position points, the power of the electromagnetic coil is adjusted to be small.
13. The method of measuring temperature according to claim 8, wherein: according to the calculation result of the fourth step, if the temperature change slope of one of the temperature measuring position points close to the outer edge of the electromagnetic coil panel and the temperature change slope of one temperature measuring position point adjacent to the temperature measuring position point are both obviously lower than the temperature change slopes of other temperature measuring position points, the power of the electromagnetic coil is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010309321.5A CN113551269A (en) | 2020-04-20 | 2020-04-20 | Electromagnetic stove temperature measuring device and temperature measuring method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010309321.5A CN113551269A (en) | 2020-04-20 | 2020-04-20 | Electromagnetic stove temperature measuring device and temperature measuring method thereof |
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| CN113551269A true CN113551269A (en) | 2021-10-26 |
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| CN202010309321.5A Pending CN113551269A (en) | 2020-04-20 | 2020-04-20 | Electromagnetic stove temperature measuring device and temperature measuring method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602378A (en) * | 2014-12-26 | 2015-05-06 | 珠海格力电器股份有限公司 | Induction cooker and control method |
| US20180064280A1 (en) * | 2016-09-06 | 2018-03-08 | Miele & Cie. Kg | Control of the heating of a household appliance via virtual temperature |
| CN208312456U (en) * | 2018-05-31 | 2019-01-01 | 安捷科技股份有限公司 | Electromagnetic oven device with multipoint sensing function |
| CN209181016U (en) * | 2018-11-21 | 2019-07-30 | 佛山市顺德区美的电热电器制造有限公司 | Heated seats and cooking equipment |
| CN110278623A (en) * | 2018-03-15 | 2019-09-24 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetism cooking equipment |
-
2020
- 2020-04-20 CN CN202010309321.5A patent/CN113551269A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602378A (en) * | 2014-12-26 | 2015-05-06 | 珠海格力电器股份有限公司 | Induction cooker and control method |
| US20180064280A1 (en) * | 2016-09-06 | 2018-03-08 | Miele & Cie. Kg | Control of the heating of a household appliance via virtual temperature |
| CN110278623A (en) * | 2018-03-15 | 2019-09-24 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetism cooking equipment |
| CN208312456U (en) * | 2018-05-31 | 2019-01-01 | 安捷科技股份有限公司 | Electromagnetic oven device with multipoint sensing function |
| CN209181016U (en) * | 2018-11-21 | 2019-07-30 | 佛山市顺德区美的电热电器制造有限公司 | Heated seats and cooking equipment |
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Application publication date: 20211026 |