CN113464998B - Automatic control method of air suction equipment and air suction equipment - Google Patents
Automatic control method of air suction equipment and air suction equipment Download PDFInfo
- Publication number
- CN113464998B CN113464998B CN202110715282.3A CN202110715282A CN113464998B CN 113464998 B CN113464998 B CN 113464998B CN 202110715282 A CN202110715282 A CN 202110715282A CN 113464998 B CN113464998 B CN 113464998B
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- temperature
- air suction
- kitchen range
- value
- starting threshold
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000008859 change Effects 0.000 claims description 27
- 230000008569 process Effects 0.000 claims description 6
- 238000010411 cooking Methods 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
-
- 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
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2042—Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft
Abstract
An automatic control method of air suction equipment and the air suction equipment, the control method comprises the following steps: A. the method comprises the steps of arranging air suction equipment above a kitchen range in advance at a plurality of different height grade positions, respectively measuring temperature values of the kitchen range at the different height grade positions, and then analyzing a starting threshold value of each height grade position; B. when the kitchen range is actually cooked, measuring the actual distance between the air suction equipment and the kitchen range through the distance measuring equipment on the air suction equipment to obtain the actual measured height H, comparing and judging the obtained actual measured height H with the height grade, determining which height grade is closest to the actual measured height H, and obtaining a starting threshold value corresponding to the height grade; C. detecting the temperature of the kitchen range in real time, and acquiring and obtaining a real-time temperature correlation value; D. and comparing the real-time temperature correlation value with the acquired starting threshold, and controlling the air suction equipment to be started when the real-time temperature correlation value reaches the starting threshold. The invention can accurately control the on-off or power adjustment of the air suction equipment.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to an automatic control method of air suction equipment and the air suction equipment.
Background
When cooking is started, many people often forget to start the range hood, and harmful substances such as oil smoke, PM2.5 can gather in a large amount in the cooking process, so that the pollution of indoor kitchen environment is caused, the health of users is influenced, and the electric power resource waste can be caused by forgetting to turn off the range hood. For temperature measurement in a certain area, an infrared temperature measurement sensor with single-point detection or multi-point detection is usually selected in the industry, and is installed at the bottom of an exhaust fan or an OTR (on-the-go) and is not influenced by a cooking utensil, so that the sensor belongs to non-contact measurement.
However, in the practical application process, the kitchen space and the kitchen style are different, so that the mounting height of the practical range hood can be changed, and the temperature change curve of the infrared temperature measuring sensor in the cooking process is inconsistent under different mounting heights. At present, the traditional method basically controls the range hood according to the temperature change value or the temperature change rate set by a factory, and the selected threshold value is fixed, so that the effect of quickly starting or closing a fan cannot be achieved when the mounting height of the range hood is high, and the range hood is easy to start or shut down by mistake when the mounting height of the range hood is low.
Therefore, further improvements are needed.
Disclosure of Invention
The invention aims to provide an automatic control method of air suction equipment and the air suction equipment, which have the advantages of simple structure, accurate control, energy conservation, capability of improving user experience and strong practicability, so as to overcome the defects in the prior art.
The automatic control method of the air suction equipment designed according to the purpose is characterized by comprising the following steps of: the method comprises the following steps:
A. the method comprises the steps of arranging air suction equipment above a kitchen range in advance at a plurality of different height grade positions, respectively measuring temperature values of the kitchen range at the different height grade positions, and then analyzing a starting threshold value of each height grade position, wherein the starting threshold value is a numerical value which is related to temperature and is used for starting the air suction equipment;
B. when the kitchen range is actually cooked, measuring the actual distance between the air suction equipment and the kitchen range through the distance measuring equipment on the air suction equipment to obtain the actual measured height H, comparing and judging the obtained actual measured height H with the height grade in the step A, determining which height grade is closest to the actual measured height H, and obtaining a starting threshold value corresponding to the height grade;
C. detecting the temperature of the kitchen range in real time, and acquiring and obtaining a real-time temperature correlation value;
D. and comparing the real-time temperature correlation value with the acquired starting threshold, and controlling the air suction equipment to be started when the real-time temperature correlation value reaches the acquired starting threshold.
In step a, the analysis process of the boot threshold of each altitude level includes the following steps:
a. the temperature of the kitchen range is measured remotely through remote temperature measuring equipment at different height grade positions in advance, and a plurality of temperature data changing along with time under the corresponding height grade are acquired;
b. establishing a coordinate system, wherein the coordinate system takes temperature-related data as a vertical axis and takes time as a horizontal axis, and the temperature-related data of each height grade is represented on the coordinate system, so that a temperature-related curve of each height grade is obtained;
c. and selecting a time node on the horizontal axis of the coordinate system, wherein the time node is a time node which is pre-selected and calculated from the beginning of the start of the kitchen range, and drawing a vertical axis upwards by taking the time node as the horizontal axis, wherein the vertical axis is respectively intersected with the temperature association curves of all the height levels, and the temperature association value corresponding to each intersection point is used as the start threshold value of all the height levels.
The real-time temperature related value and the starting threshold value are temperature values, and/or temperature change rates, and/or temperature average values, and in the step D, a condition I is set: continuously and repeatedly collecting the temperature value of the kitchen range to reach the temperature value in the starting threshold; setting a second condition: the temperature change rate of the kitchen range reaches the temperature change rate in the starting threshold; setting a third condition: the average value of the temperature of the kitchen range reaches the average value of the temperatures in the starting threshold; and when the first condition is met, and/or the second condition is met, and/or the third condition is met, controlling the air suction equipment to be started.
And D, comparing the acquired temperature value of the kitchen range with the temperature value in the starting threshold, if the temperature value of the kitchen range continuously acquired for many times reaches the temperature value in the starting threshold, further comparing the temperature change rate of the kitchen range with the temperature change rate in the starting threshold, and if the temperature change rate of the kitchen range reaches the temperature change rate in the starting threshold, controlling the air suction equipment to be started.
And after the air suction equipment is started, if the real-time temperature related value is lower than or continuously lower than the acquired starting threshold value for multiple times, controlling the air suction equipment to be closed.
An induced draft device designed according to the purpose is used for executing the automatic control method of the induced draft device, and the induced draft device is used for being arranged above a kitchen range, and is characterized in that: the bottom of the air suction device is provided with a temperature sensor and a distance measuring device.
The air suction device is an OTR microwave oven or a range hood.
The temperature sensor is an infrared temperature sensor, and the distance measuring device is an ultrasonic distance measuring device or an infrared distance measuring device.
According to the invention, the infrared temperature sensor and the distance measuring device are arranged on the air suction device, the temperature of the kitchen range is measured through the infrared temperature sensor, the height of the air suction device from the kitchen range is measured through the distance measuring device, the air suction device is arranged at a plurality of different height grade positions above the kitchen range, the different height grade positions correspond to different temperature curves, the different temperature curves correspond to different temperature judgment values, further, the temperature judgment values corresponding to the corresponding preset height grade positions are selected by judging which preset height grade position the measured height falls into, the measured kitchen range temperature and the obtained temperature change rate of the kitchen range are compared with the corresponding temperature judgment values, and the air suction device is controlled according to the processing result, so that the temperature judgment value is self-adaptively adjusted according to the set height of the air suction device, and further, the on-off or power adjustment of the air suction device is accurately controlled.
Drawings
Fig. 1 is a schematic view of a usage scenario of an air suction apparatus according to an embodiment of the present invention.
FIG. 2 is a graph of various height level locations and actual measured temperatures in an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Referring to fig. 1-2, the automatic control method of the air suction device comprises the following steps:
A. according to the practical application condition of the air suction device 2, the air suction device 2 is arranged at different 3 height grade positions above the kitchen range 1 in advance, and the three height grade positions are respectively: the method comprises the steps of respectively measuring temperature values of a stove 1 at different height grade positions, and then analyzing a starting threshold value of each height grade position, wherein the starting threshold value is a numerical value which is related to temperature and is used for starting air suction equipment 2;
B. when the kitchen range 1 is actually cooked, measuring the actual distance between the air suction device 2 and the kitchen range 1 through the distance measuring device on the air suction device 2 to obtain the actual measured height H, comparing and judging the obtained actual measured height H with the height grade in the step A, determining which height grade the actual measured height H approaches most, and obtaining a starting threshold value corresponding to the height grade (for example, if the actual measured height H falls into the height grade position H1, the starting threshold value corresponding to the height grade position H1 can be obtained);
C. detecting the temperature of the kitchen range 1 in real time through remote temperature measuring equipment, acquiring and obtaining a real-time temperature correlation value, and obtaining a temperature curve M of actual measured temperature data;
D. comparing the real-time temperature related value with the acquired starting threshold, and controlling the air suction device 2 to be conducted when the real-time temperature related value reaches the acquired starting threshold, so as to realize automatic control of the opening of the air suction device 2; after the air suction device 2 is started, if the real-time temperature related value is lower than the acquired starting threshold value or is continuously lower than the acquired starting threshold value for a plurality of times, the air suction device 2 is controlled to be closed.
In step a, the analysis process of the boot threshold of each altitude level includes the following steps:
a. the temperature of the kitchen range 1 is measured remotely through remote temperature measuring equipment respectively at different height grade positions in advance, and a plurality of temperature data (corresponding to the temperature data of the height grade position H1, the temperature data of the height grade position H2 and the temperature data of the height grade position H3) which change along with time under the corresponding height grade are acquired;
b. establishing a coordinate system, wherein the coordinate system takes temperature-related data as a vertical axis and takes time as a horizontal axis, and the temperature-related data of each height grade is represented on the coordinate system, so that a temperature-related curve of each height grade is obtained (namely, a temperature curve A corresponding to the temperature data of the height grade position H1, a temperature curve B corresponding to the temperature data of the height grade position H2 and a temperature curve C corresponding to the temperature data of the height grade position H3 are obtained);
c. and selecting a time node on the horizontal axis of the coordinate system, wherein the time node is a time node a1 (a 1 is the starting time of the air suction device 2, for example, the 10 th second after the kitchen range 1 is started) which is calculated from the beginning of the kitchen range is selected in advance, and drawing a vertical axis upwards by taking the time node as the horizontal axis, wherein the vertical axis is respectively intersected with the temperature association curves of all the height levels, and the temperature association values corresponding to the intersection points are taken as the starting threshold values of all the height levels (namely, the starting threshold value corresponding to the height level position H1, the starting threshold value corresponding to the height level position H2 and the starting threshold value corresponding to the height level position H3 are obtained).
The real-time temperature related value and the power-on threshold are both temperature values, and/or temperature change rates, and/or temperature average values (the switch threshold is not limited to the temperature values, the temperature change rates, the temperature average values, but may be other temperature related values), and in step D, condition one is set: the temperature value of the kitchen range which is collected continuously for many times (for example, 3 times) reaches the temperature value in the starting threshold; setting a second condition: the temperature change rate of the kitchen range reaches the temperature change rate in the starting threshold; setting a third condition: the average value of the temperature of the kitchen range reaches the average value of the temperatures in the starting threshold; when the first condition is met, and/or the second condition is met, and/or the third condition is met, the air suction device 2 is controlled to be started, namely, the three conditions only meet any one, or meet any two or meet three at the same time, and the air suction device 2 is controlled to be started; for example: comparing the acquired temperature value of the kitchen range with the temperature value in the starting threshold, if the temperature value of the kitchen range acquired continuously and repeatedly reaches the temperature value in the starting threshold, further comparing the temperature change rate of the kitchen range with the temperature change rate in the starting threshold, and if the temperature change rate of the kitchen range reaches the temperature change rate in the starting threshold, controlling the air suction equipment 2 to be started; also for example: and taking an average value of a plurality of continuously acquired kitchen range temperature values to obtain a temperature average value, comparing the temperature average value with the temperature average value in the starting threshold, and controlling the air suction device 2 to be started if the temperature average value reaches the temperature average value in the starting threshold.
An air suction device is used for executing an automatic control method of the air suction device, the air suction device 2 is arranged above a kitchen range 1, the air suction device 2 is installed on a cabinet 6 or a wall, a kitchen range 3 is arranged below the air suction device 2, the kitchen range 1 is arranged on the kitchen range 3, a temperature sensor 4 and a distance measuring device 5 are arranged at the bottom of the air suction device 2, and the temperature sensor 4 is arranged above the kitchen range 1.
The air suction device 2 may be an OTR (above the range) microwave oven, a range hood, or other air suction device.
The temperature sensor 4 is an infrared temperature sensor, and the distance measuring device 5 may be an ultrasonic distance measuring device, an infrared distance measuring device, or other distance measuring devices, so that the distance measuring device 5 is recommended to be installed inside the bottom of the air suction device 2 in order to avoid interference caused by human factors.
The foregoing is a preferred embodiment of the invention showing and describing the general principles, features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, which have been described in the foregoing description merely illustrates the principles of the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. An automatic control method of air suction equipment is characterized in that: the method comprises the following steps:
A. the method comprises the steps of arranging the air suction device (2) above the kitchen range (1) in a plurality of different height grade positions in advance, respectively measuring temperature values of the kitchen range (1) at the different height grade positions, and then analyzing a starting threshold value of each height grade position, wherein the starting threshold value is a numerical value which is related to temperature and is used for starting the air suction device (2);
B. when the kitchen range (1) is actually cooked, measuring the actual distance between the air suction equipment (2) and the kitchen range (1) through the distance measuring equipment on the air suction equipment (2), obtaining the actual measured height H, comparing and judging the obtained actual measured height H with the height grade in the step A, determining which height grade is closest to the actual measured height H, and obtaining a starting threshold value corresponding to the height grade;
C. detecting the temperature of the kitchen range (1) in real time, and acquiring and obtaining a real-time temperature correlation value;
D. comparing the real-time temperature correlation value with the acquired starting threshold, and controlling the air suction equipment (2) to be started when the real-time temperature correlation value reaches the acquired starting threshold;
in step a, the analysis process of the boot threshold of each altitude level includes the following steps:
a. the temperature of the kitchen range (1) is measured remotely through remote temperature measuring equipment respectively at different height grade positions in advance, and a plurality of temperature data changing along with time under the corresponding height grade are acquired;
b. establishing a coordinate system, wherein the coordinate system takes temperature-related data as a vertical axis and takes time as a horizontal axis, and the temperature-related data of each height grade is represented on the coordinate system, so that a temperature-related curve of each height grade is obtained;
c. and selecting a time node on the horizontal axis of the coordinate system, wherein the time node is a time node (a 1) which is pre-selected and calculated from the beginning of the start of the kitchen range, and drawing a vertical axis upwards by taking the time node as the horizontal axis, wherein the vertical axis is respectively intersected with the temperature correlation curves of all the height levels, and the temperature correlation value corresponding to each intersection point is used as the start threshold value of all the height levels.
2. The automatic control method of an air suction apparatus according to claim 1, wherein: the real-time temperature related value and the starting threshold value are temperature values, and/or temperature change rates, and/or temperature average values, and in the step D, a condition I is set: continuously and repeatedly collecting the temperature value of the kitchen range to reach the temperature value in the starting threshold; setting a second condition: the temperature change rate of the kitchen range reaches the temperature change rate in the starting threshold; setting a third condition: the average value of the temperature of the kitchen range reaches the average value of the temperatures in the starting threshold; and when the first condition is met, and/or the second condition is met, and/or the third condition is met, controlling the air suction equipment (2) to be started.
3. The automatic control method of an air suction apparatus according to claim 2, wherein: and D, comparing the acquired temperature value of the kitchen range with the temperature value in the starting threshold, if the temperature value of the kitchen range continuously acquired for many times reaches the temperature value in the starting threshold, further comparing the temperature change rate of the kitchen range with the temperature change rate in the starting threshold, and if the temperature change rate of the kitchen range reaches the temperature change rate in the starting threshold, controlling the air suction equipment (2) to be started.
4. The automatic control method of an air suction apparatus according to claim 1, wherein: and after the air suction equipment (2) is started, if the real-time temperature related value is lower than or continuously lower than the acquired starting threshold value for multiple times, controlling the air suction equipment (2) to be closed.
5. An air suction device for performing the automatic control method of an air suction device according to any one of claims 1-4, said air suction device (2) being intended to be arranged above a hob (1), characterized in that: the bottom of the air suction device (2) is provided with a temperature sensor (4) and a distance measuring device (5).
6. The suction apparatus of claim 5, wherein: the air suction device (2) is an OTR microwave oven or a range hood.
7. The suction apparatus of claim 5, wherein: the temperature sensor (4) is an infrared temperature sensor, and the distance measuring device (5) is an ultrasonic distance measuring device or an infrared distance measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110715282.3A CN113464998B (en) | 2021-06-26 | 2021-06-26 | Automatic control method of air suction equipment and air suction equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110715282.3A CN113464998B (en) | 2021-06-26 | 2021-06-26 | Automatic control method of air suction equipment and air suction equipment |
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| Publication Number | Publication Date |
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| CN113464998A CN113464998A (en) | 2021-10-01 |
| CN113464998B true CN113464998B (en) | 2024-01-30 |
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| CN202110715282.3A Active CN113464998B (en) | 2021-06-26 | 2021-06-26 | Automatic control method of air suction equipment and air suction equipment |
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| CN113464998A (en) | 2021-10-01 |
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