CN114151841B - Air quantity control method of range hood - Google Patents
Air quantity control method of range hood Download PDFInfo
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- CN114151841B CN114151841B CN202111661359.XA CN202111661359A CN114151841B CN 114151841 B CN114151841 B CN 114151841B CN 202111661359 A CN202111661359 A CN 202111661359A CN 114151841 B CN114151841 B CN 114151841B
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- temperature
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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
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
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- Ventilation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention provides a method for controlling the air quantity of a range hood. The range hood comprises: the intelligent control device comprises a temperature sensor, a common air volume module and an intelligent control air volume module, wherein the temperature sensor is in communication connection with the intelligent control air volume module and is used for detecting the temperature of a pot bottom and transmitting data to the intelligent control air volume module, and the air volume control method comprises the following steps: starting an intelligent air quantity control module and starting a temperature sensor to collect data; after the temperature is stable, the temperature sensor calculates a temperature average value and transmits data to the intelligent air quantity control module; the intelligent air quantity control module compares the temperature average value with a preset temperature interval to determine and start an air quantity gear; and the intelligent air volume control module continuously receives the data transmitted by the temperature sensor and judges whether the air volume gear needs to be converted or not. According to the air quantity control method of the range hood, the corresponding relation between the oil smoke and the air quantity gear is accurately controlled through the corresponding relation between the temperature and the oil smoke and the air quantity gear.
Description
Technical Field
The invention relates to the field of kitchen appliances, in particular to a method for controlling the air quantity of a fuel oil smoke machine.
Background
The range hood using the direct-current variable frequency motor can be provided with more than 10 levels of air quantity, the relation between the air quantity and the oil smoke concentration can be controlled more accurately, the air quantity is large when the oil smoke is large, the air quantity is small when the oil smoke is small, and the energy-saving effect is achieved. The temperature controller is often adopted to collect temperature, the concentration of the oil smoke and the temperature of the pot have certain relevance, so that the air quantity can be set through temperature data, but the control methods are different, and the scheme provides a precise control method for big smoke and big wind.
Disclosure of Invention
The invention aims to provide a range hood air volume control method which realizes accurate control of the corresponding relation between oil smoke and air volume by establishing the corresponding relation between temperature and oil smoke and air volume gear.
In order to achieve the purpose of the invention, the invention adopts the following technical scheme:
according to one aspect of the invention, a method for controlling the air quantity of a range hood is provided. The range hood comprises: the intelligent control air volume control device comprises a temperature sensor, a common air volume module and an intelligent control air volume module, wherein the temperature sensor is in communication connection with the intelligent control air volume module and is used for detecting the temperature of a pot bottom and transmitting temperature data to the intelligent control air volume module, and the air volume control method comprises the following steps: starting an intelligent air quantity control module and starting a temperature sensor to collect temperature data every 0.5S; after the temperature is stable, the temperature sensor calculates a temperature average value and transmits data to the intelligent air volume control module; the intelligent air quantity control module compares the temperature average value with a preset temperature interval to determine and start an air quantity gear; and the intelligent air volume control module continuously receives the data transmitted by the temperature sensor and judges whether the air volume gear needs to be converted or not.
According to an embodiment of the present invention, the starting the intelligent air volume control module and the starting the temperature sensor to collect data includes: opening intelligent air volume control function, and presetting a default gear N for a fan 1 And (3) working, and starting to collect data by the temperature controller.
According to an embodiment of the present invention, the temperature sensor calculates a temperature average value after temperature stabilization and transmits data to the intelligent air volume control module includes: after the intelligent air volume control module is started for 20S, the temperature sensor calculates the average value of the temperatures detected in 3S and transmits the average value to the intelligent air volume control module.
According to an embodiment of the present invention, the intelligent air volume control module compares a temperature average value with a preset temperature interval to determine and open an air volume gear comprises: the intelligent air volume control module stores preset temperature intervals, each temperature interval corresponds to an air volume gear, receives the temperature average value transmitted by the temperature sensor, compares the temperature average value with the preset temperature interval, and determines the air volume gear according to the falling temperature interval.
According to one embodiment of the invention, the temperature of the bottom of the pan and the corresponding oil smoke concentration in the whole process are measured in the using state of the gas stove, and the air quantity gear is adjusted to enable the oil smoke concentration to reach the standard, so that the corresponding relation between the temperature interval and the air quantity gear is established, wherein the temperature interval is a preset temperature interval stored in the intelligent air quantity control module.
According to an embodiment of the present invention, the intelligent air volume control module continuously receiving the data transmitted by the temperature sensor and determining whether the air volume gear needs to be converted includes: after the air quantity gear is determined, the temperature sensor continuously detects the temperature of the bottom of the pan and compares the front temperature value with the rear temperature value; if the absolute values of the temperature differences in the continuous 3 seconds are all larger than 50 degrees, the air quantity gear is converted; if the absolute value of the temperature difference is less than or equal to 50 degrees, transmitting data to the intelligent air volume control module after 10 seconds; and the intelligent air quantity control module judges whether the air quantity gear needs to be converted or not.
According to an embodiment of the present invention, wherein switching the air volume gear if the absolute values of the temperature differences within 3 consecutive seconds are all greater than 50 ° includes: if the latter temperature is higher than the former temperature and the absolute value of the temperature difference is greater than 50 degrees in 3 continuous seconds, converting the air quantity gear into a preset maximum gear; if the latter temperature is lower than the former temperature within 3 seconds continuously and the absolute value of the temperature difference of the latter temperature and the former temperature is larger than 50 degrees, the air quantity gear is converted into the preset minimum gear.
According to an embodiment of the present invention, if the absolute value of the temperature difference is less than or equal to 50 °, transmitting data to the intelligent air volume control module after 10s includes: if the absolute value of the temperature difference is less than or equal to 50 degrees, the temperature sensor only detects data and does not transmit data within 10 seconds.
According to an embodiment of the invention, the air volume control method of the range hood further comprises the following steps: if the temperature detected in 60S is always lower than a preset minimum value after the intelligent air volume control module is started, stopping the intelligent air volume control module and starting a common air volume module, wherein the preset minimum value is the temperature of the side of the temperature controller when the gas stove is not started, and the common air volume module only comprises one air volume gear.
According to an embodiment of the invention, the air volume control method of the range hood further comprises the following steps: if the intelligent air volume control module exceeds 15S and does not receive the data transmitted by the temperature sensor, judging that the temperature sensor is bad, and giving an alarm; stopping the intelligent air volume control module, starting the common air volume module, and running until the intelligent air volume control module is shut down; and displaying the temperature sensor fault information when the range hood is started next time.
One embodiment of the present invention has the following advantages or benefits:
the invention provides an air quantity control method of a range hood, which is characterized in that temperature data of a pan bottom are collected through a temperature sensor, averaged and transmitted to an intelligent air quantity control module, wherein a preset temperature interval is stored in the intelligent air quantity control module, and each temperature interval corresponds to an air quantity gear, so that the corresponding air quantity gear is determined after the transmitted temperature falls into a certain temperature interval. After the air volume gear determination, real-time detection is still performed to determine whether a gear change is required.
Drawings
The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.
Fig. 1 is a flowchart illustrating a method for controlling an air volume of a range hood according to an exemplary embodiment.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.
The terms "a," "an," "the," and "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. in addition to the listed elements/components/etc.
As shown in fig. 1, fig. 1 shows a flow chart of a method for controlling air quantity of a range hood provided by the invention.
The embodiment of the invention discloses a method for controlling the air quantity of a range hood. The range hood comprises: the temperature sensor is in communication connection with the ordinary air volume module and the intelligent air volume control module, and is used for detecting the temperature of the pan bottom and transmitting temperature data to the intelligent air volume control module, and the air volume control method comprises the following steps: s1, starting an intelligent air quantity control module and starting a temperature sensor to collect temperature data every 0.5S; s2, after the temperature is stable, the temperature sensor calculates a temperature average value and transmits data to the intelligent air quantity control module; s3, comparing the temperature average value with a preset temperature interval by the intelligent air quantity control module to determine and start an air quantity gear; and S4-the intelligent air quantity control module continuously receives the data transmitted by the temperature sensor and judges whether the air quantity gear needs to be converted or not until the machine is turned off.
The range hood is provided with a direct-current variable-frequency motor, the air quantity gear setting can realize stepless speed regulation, and the range hood is provided with a single temperature sensor, so that the temperature of a left kitchen range or a right kitchen range pot can be only collected, and the air quantity can be automatically changed into the gear to increase or decrease the air quantity along with the size of the oil smoke. The temperature of the pan bottom and the concentration of the generated oil smoke at each stage under various using states such as cooking, stewing, frying and the like are collected and sampled in the earlier stage, and the corresponding data of the temperature and the air quantity are obtained through conversion and are correspondingly set in a program. The temperature sensor and the intelligent air quantity control module are matched with each other to adjust the air quantity gear. Through a large amount of experimental data, the interval time of 0.5 second is most reasonable, namely the data volume is not too large, and the situation cannot be reflected because of too little data.
In a preferred embodiment of the present invention, activating the intelligent air volume module and activating the temperature sensor to collect data includes: and starting an intelligent air quantity control function, enabling the fan to work at a preset default gear, and enabling the temperature controller to start collecting data.
As shown in fig. 1, the fan is operated at a preset default gear N 1 Working, the intelligent air volume control module detects the starting current I 0 The thermostat begins to collect data.
In a preferred embodiment of the present invention, the temperature sensor calculates a temperature average value after temperature stabilization and transmits data to the intelligent air volume module comprises: after the intelligent air quantity control module is started for 20S, the temperature sensor calculates the average value of the temperatures detected in 3S and transmits the average value to the intelligent air quantity control module.
As shown in FIG. 1, the temperature sensor detects every 0.5S, and calculates the average value T of the temperatures detected in 3S n . After the intelligent air volume control module starts t0=20s, the temperature around the pot on the gas stove is generally considered to be low, and at this time, data transmission to the intelligent air volume control module is started.
In a preferred embodiment of the present invention, the intelligent air volume control module compares the temperature average value with a preset temperature interval to determine and open an air volume gear comprises: the intelligent air volume control module stores preset temperature intervals, each temperature interval corresponds to an air volume gear, the intelligent air volume control module receives the temperature average value transmitted by the temperature sensor, compares the temperature average value with the preset temperature interval, and determines the air volume gear according to the falling temperature interval. And under the use state of the gas stove, measuring the temperature of the bottom of the pan and the corresponding oil smoke concentration in the whole process, and adjusting the air quantity gear to enable the oil smoke concentration to reach the standard, thereby establishing the corresponding relation between the temperature interval and the air quantity gear, wherein the temperature interval is a preset temperature interval stored in the intelligent air quantity control module.
As shown in fig. 1, the gas range is used in a state of cooking, stewing, frying, etc. Different oil smoke concentrations and different temperatures are corresponding to the whole stages from putting the pot to the end of the final operation. The relation between the two is established through measurement, and the air quantity gear switching is carried out on the oil smoke to improve the concentration of the oil smoke, and finally the relation between the temperature and the air quantity gear is established. When the real-time temperature transmitted to the intelligent air quantity control module falls into a certain temperature interval, the air quantity gear is determined.
In a preferred embodiment of the present invention, the intelligent air volume control module continuously receives the data transmitted by the temperature sensor and determines whether the air volume gear needs to be converted, including: after the air quantity gear is determined, the temperature sensor continuously detects the temperature of the bottom of the pan and compares the front temperature value with the rear temperature value; if the absolute values of the temperature differences in the continuous 3 seconds are all larger than 50 degrees, the air quantity gear is converted; if the absolute value of the temperature difference is less than or equal to 50 degrees, transmitting data to the intelligent air volume control module after 10 seconds; the intelligent air volume control module judges whether the air volume gear needs to be converted or not.
If the absolute values of the temperature differences in the continuous 3 seconds are all larger than 50 degrees, the air quantity gear shifting comprises the following steps: if the latter temperature is higher than the former temperature and the absolute value of the temperature difference is greater than 50 degrees in 3 continuous seconds, converting the air quantity gear into a preset maximum gear; if the latter temperature is lower than the former temperature within 3 seconds continuously and the absolute value of the temperature difference of the two temperatures is larger than 50 degrees, the air quantity gear is converted into the preset minimum gear. If the absolute value of the temperature difference is smaller than or equal to 50 degrees, transmitting data to the intelligent air volume control module after 10 seconds comprises: the absolute value of the temperature difference is less than or equal to 50 degrees, and the temperature sensor only detects data and does not transmit data within 10 seconds.
Wherein, startAir quantity gear N corresponding to movement n And keeping 10S, not transmitting the data detected by the temperature sensor, restarting transmitting the temperature sensor data after 10S, judging whether the gear needs to be changed according to the preset relation between the temperature and the air quantity gear, and sequentially cycling until a shutdown signal is received. If the temperature detected by the temperature sensor is more than 50 DEG plus the temperature difference DeltaT detected before and the detected temperature is the same in 3 seconds (compared with the data at the moment before 3 seconds), the temperature sensor can immediately switch to the preset gear N without following the principle that the data is not transmitted in 10S MAX The method comprises the steps of carrying out a first treatment on the surface of the If the detected temperature is more than 50 DEG minus the temperature difference delta T detected in the previous time and the detected data is all the same in 3 seconds, the shift to the preset gear N is immediately carried out min (as compared to the data at the moment 3 seconds ago).
In a preferred embodiment of the present invention, the air volume control method of the range hood further includes: if the temperature detected in 60S is always lower than the preset minimum value after the intelligent air volume control module is started, the intelligent air volume control module is stopped and the common air volume module is started. The preset minimum value is the temperature of the side of the temperature controller when the gas stove is not started, and the common air volume module only comprises one air volume gear.
Wherein, if the intelligent gear is started, the temperature detected in 60S is always lower than the preset value T nin Automatically ending the intelligent control function key to be converted into a common air volume key function, and starting a common air volume default gear N 0 。
In a preferred embodiment of the present invention, the air volume control method of the range hood further includes: if the intelligent air volume control module exceeds 15S and does not receive the data transmitted by the temperature sensor, judging that the temperature sensor is bad, and giving an alarm; stopping the intelligent air quantity control module, starting the common air quantity module, and running until the machine is turned off; and displaying the temperature sensor fault information when the range hood is started next time.
If the intelligent air volume control module exceeds 15S and does not receive the data transmitted by the temperature sensor, the temperature controller is judged to be bad, the buzzer gives an alarm, and the gear is changed into the common air volume preset gear N 0 And the operation is carried out until the machine is shut down, and the corresponding temperature sensor key cannot be used for indicating faults when the smoke machine is started next time.
According to the air quantity control method of the range hood, the temperature data of the bottom of the cooker is collected through the temperature sensor, the average value is obtained, the temperature data are transmitted to the intelligent air quantity control module, the intelligent air quantity control module stores preset temperature intervals, and each temperature interval corresponds to one air quantity gear, so that the corresponding air quantity gear is determined after the transmitted temperature falls into a certain temperature interval. After the air volume gear determination, real-time detection is still performed to determine whether a gear change is required.
In embodiments of the present invention, the term "plurality" refers to two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly attached, detachably attached, or integrally attached. The specific meaning of the above terms in the embodiments of the present invention will be understood by those of ordinary skill in the art according to specific circumstances.
In the description of the embodiments of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present invention and to simplify the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the embodiments of the present invention.
In the description of the present specification, the terms "one embodiment," "a preferred embodiment," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention and is not intended to limit the embodiment of the present invention, and various modifications and variations can be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.
Claims (8)
1. The utility model provides a lampblack absorber amount of wind control method which characterized in that, lampblack absorber includes: the intelligent control air volume control device comprises a temperature sensor, a common air volume module and an intelligent control air volume module, wherein the temperature sensor is in communication connection with the intelligent control air volume module and is used for detecting the temperature of a pot bottom and transmitting temperature data to the intelligent control air volume module, and the air volume control method comprises the following steps:
starting an intelligent air quantity control module and starting a temperature sensor to collect temperature data every 0.5S;
after the temperature is stable, the temperature sensor calculates a temperature average value and transmits data to the intelligent air volume control module;
the intelligent air quantity control module compares the temperature average value with a preset temperature interval to determine and start an air quantity gear; and
the intelligent air volume control module continuously receives the data transmitted by the temperature sensor and judges whether the air volume gear needs to be converted or not;
the intelligent air volume control module continuously receiving the data transmitted by the temperature sensor and judging whether the air volume gear needs to be converted comprises the following steps:
after the air quantity gear is determined, the temperature sensor continuously detects the temperature of the bottom of the pan and compares the front temperature value with the rear temperature value;
if the absolute values of the temperature differences in the continuous 3 seconds are all larger than 50 degrees, the air quantity gear is converted;
if the absolute value of the temperature difference is smaller than or equal to 50 degrees, transmitting data to the intelligent air volume control module after 10 seconds; and
the intelligent air volume control module judges whether an air volume gear needs to be converted or not;
if the absolute values of the temperature differences in the continuous 3 seconds are all larger than 50 degrees, the air quantity gear shifting comprises the following steps: if the latter temperature is higher than the former temperature and the absolute value of the temperature difference is greater than 50 degrees within 3 seconds, converting the air quantity gear into a preset maximum gear;
if the latter temperature is lower than the former temperature within 3 seconds continuously and the absolute value of the temperature difference of the latter temperature and the former temperature is larger than 50 degrees, the air quantity gear is converted into the preset minimum gear.
2. The method of claim 1, wherein starting the intelligent air volume module and starting the temperature sensor to collect data comprises: and starting an intelligent air quantity control function, enabling the fan to work at a preset default gear, and enabling the temperature controller to start collecting data.
3. The air volume control method of a range hood according to claim 1, wherein the temperature sensor calculates a temperature average value after temperature stabilization and transmits data to the intelligent air volume control module comprises: after the intelligent air volume control module is started for 20S, the temperature sensor calculates the average value of the temperatures detected in 3S and transmits the average value to the intelligent air volume control module.
4. The air volume control method of claim 1, wherein the intelligent air volume control module compares the temperature average value with a preset temperature interval to determine and open an air volume gear comprises: the intelligent air volume control module stores preset temperature intervals, each temperature interval corresponds to an air volume gear, receives the temperature average value transmitted by the temperature sensor, compares the temperature average value with the preset temperature interval, and determines the air volume gear according to the falling temperature interval.
5. The air quantity control method of the range hood according to claim 4, wherein the temperature of the pan bottom and the corresponding oil smoke concentration in the whole process are measured in the use state of the gas cooker, and the air quantity gear is adjusted so that the oil smoke concentration reaches the standard, thereby establishing the corresponding relation between the temperature interval and the air quantity gear, wherein the temperature interval is a preset temperature interval stored in the intelligent air quantity control module.
6. The air volume control method of claim 1, wherein if the absolute value of the temperature difference is less than or equal to 50 °, transmitting data to the intelligent air volume module after 10 seconds comprises:
if the absolute value of the temperature difference is less than or equal to 50 degrees, the temperature sensor only detects data and does not transmit data within 10 seconds.
7. The air volume control method of a range hood according to claim 1, further comprising: if the temperature detected in 60S is always lower than a preset minimum value after the intelligent air volume control module is started, stopping the intelligent air volume control module and starting a common air volume module, wherein the preset minimum value is the temperature of the side of the temperature controller when the gas stove is not started, and the common air volume module only comprises one air volume gear.
8. The air volume control method of a range hood according to claim 1, further comprising: if the intelligent air volume control module exceeds 15S and does not receive the data transmitted by the temperature sensor, judging that the temperature sensor is bad, and giving an alarm;
stopping the intelligent air volume control module, starting the common air volume module, and running until the intelligent air volume control module is shut down; and
and displaying the fault information of the temperature sensor when the range hood is started next time.
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| CN202111661359.XA CN114151841B (en) | 2021-12-31 | 2021-12-31 | Air quantity control method of range hood |
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| CN202111661359.XA CN114151841B (en) | 2021-12-31 | 2021-12-31 | Air quantity control method of range hood |
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| CN106196208A (en) * | 2016-07-26 | 2016-12-07 | 广东万家乐燃气具有限公司 | A kind of automatically control the control method of cigarette machine gear, control system and lampblack absorber |
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