CN114383173A - Central range hood system and control method thereof - Google Patents
Central range hood system and control method thereof Download PDFInfo
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- CN114383173A CN114383173A CN202210161004.2A CN202210161004A CN114383173A CN 114383173 A CN114383173 A CN 114383173A CN 202210161004 A CN202210161004 A CN 202210161004A CN 114383173 A CN114383173 A CN 114383173A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000779 smoke Substances 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 239000006096 absorbing agent Substances 0.000 description 21
- 239000006233 lamp black Substances 0.000 description 21
- 230000000694 effects Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
Abstract
The invention provides a central range hood system and a control method thereof, which relate to the technical field of equipment control and comprise the following steps: acquiring the current load current of the range hood and the sensor parameters of the wind speed sensor of the range hood, wherein the sensor parameters comprise: the current wind speed in the exhaust duct and the wind direction in the exhaust duct; determining working parameters of the range hood based on the current load current and sensor parameters, and adjusting the angle of an air valve of the range hood based on the working parameters, wherein the working parameters comprise at least one of the following: working state, working gear and air exhaust state; the working parameters are sent to the host of the central range hood, so that the host determines the number of the target range hoods based on the working parameters, and the working frequency of the host is adjusted according to the number of the target range hoods, wherein the target range hoods are range hoods of which the working states are starting states, and the technical problem that the existing central range hood is difficult to accurately determine the working states and working gears of the range hoods is solved.
Description
Technical Field
The invention relates to the technical field of equipment control, in particular to a central range hood system and a control method thereof.
Background
The central range hood is used as an exhaust power source of the whole building through a host machine on the roof, a central flue of the building and a branch flue entering a user home are pumped into negative pressure, the user home is provided with an unpowered terminal, and the size of the oil fume suction force in the kitchen of the user is adjusted by adjusting the opening angle of a power distribution valve. When the air quantity required by each user of the building is larger than the air quantity provided by the host, the fan frequency of the host on the roof is adjusted to realize air quantity adjustment, and the air valve controller adjusts the opening angle of the power distribution valve according to the switching state of the power distribution valve in the house of other users to achieve air quantity balance.
However, in the using process of the user, the user has a practical scene of replacing the unpowered terminal with a range hood of another brand for various reasons, which causes 2 problems.
The existing air valve controller is provided with a current detection circuit, and whether the range hood is started or shut down can be identified through current aiming at part brand range hoods. However, for the range hoods of other brands, the numerical values of the fan current and the illumination current are relatively close, the illumination is judged by mistake to be turned on for starting the range hood, so that the air valve controller cannot accurately control the power distribution valve to be turned on/off, the main machine is turned on/off, the air quantity is regulated abnormally, and the smoke exhaust effect of a user at home is influenced.
When a kitchen of an upstairs user is a powered range hood and an upstairs user is an unpowered terminal, if the wind resistance in the public flue is large, the upstairs user can have the problem of oil smoke backflow, and the use experience of the upstairs user is influenced.
No effective solution has been proposed to the above problems.
Disclosure of Invention
In view of this, the present invention provides a central range hood system and a control method thereof, so as to alleviate the technical problem that the existing central range hood is difficult to accurately determine the working state and the working gear of the range hood.
In a first aspect, an embodiment of the present invention provides a central range hood system control method, including: acquiring the current load current of the range hood and the sensor parameters of the wind speed sensor of the range hood, wherein the sensor parameters comprise: current wind speed in the exhaust duct and the wind direction in the exhaust duct, the wind direction includes: an outer wind direction and an inner wind direction; based on the current load current and the sensor parameters, determining working parameters of the range hood, and adjusting the angle of an air valve of the range hood based on the working parameters, wherein the working parameters comprise at least one of the following: working state, working gear and air exhaust state; and sending the working parameters to a host of a central range hood so that the host determines the number of target range hoods based on the working parameters and adjusts the working frequency of the host according to the number of the target range hoods, wherein the target range hoods are range hoods of which the working states are starting states.
Further, determining the working parameters of the range hood based on the current load current and the sensor parameters, including: determining the working state and/or the air exhaust state based on the current load current and the sensor parameter; and determining the working gear based on the current load current and the sensor parameter.
Further, determining the operating state based on the present load current and the sensor parameter includes: if the current load current is less than or equal to a current threshold corresponding to a first working gear and the working state identifier of the range hood is a starting identifier, determining that the working state of the range hood is a first working state, wherein the first working state is used for representing that the working state of the range hood is a shutdown state; if the current load current is greater than a current threshold value corresponding to a first working gear, the wind direction is the outward exhausting wind direction, and the working identifier of the range hood is a shutdown identifier, determining that the working state of the range hood is a second working state and the air exhausting state is a forward exhausting state, wherein the second working state is used for representing that the working state of the range hood is a startup state; if the current load current is greater than a current threshold corresponding to a first working gear and the wind direction is the internal exhaust direction, determining that the working state of the range hood is a third working state and the exhaust state is a reverse flow state, wherein the third working state is used for representing that the working state of the range hood is a starting state; and if the current load current is 0, determining that the working state of the range hood is a fourth working state, wherein the fourth working state is used for representing that the working state of the range hood is a shutdown state.
Further, if the current load current is greater than a current threshold corresponding to a first working gear, the wind direction is the outer exhaust wind direction and the working identifier of the range hood is a startup identifier, adjusting the angle of an air valve of the range hood based on the working parameters, including: calculating a first difference between the current load current and a historical load current, and calculating a second difference between the current wind speed and a historical wind speed; if the first difference is larger than a current threshold corresponding to a second working gear and the second difference is larger than a wind speed threshold corresponding to the second working gear, increasing the angle of the air valve based on the first difference and the second difference; if the first difference is smaller than or equal to a current threshold corresponding to a third working gear and the second difference is smaller than or equal to a wind speed threshold corresponding to the third working gear, determining the current load current as the historical load current and determining the current wind speed as the historical wind speed, wherein the current threshold corresponding to the third working gear is smaller than the current threshold corresponding to the second working gear, and the wind speed threshold corresponding to the third working gear is smaller than the wind speed threshold corresponding to the second working gear; and if the first difference is smaller than or equal to the current threshold corresponding to the second working gear and larger than the current threshold corresponding to the third working gear, and the second difference is smaller than or equal to the wind speed threshold corresponding to the second working gear and larger than the wind speed threshold corresponding to the third working gear, reducing the angle of the air valve.
Further, determining the operating range based on the current load current and the sensor parameter comprises: if the current load current is smaller than the historical load current and the current wind speed is smaller than the historical wind speed, determining the working gear as the third working gear; if the current load current is larger than the historical load current and the current wind speed is larger than the historical wind speed, determining the working gear as the second working gear; and after the working state of the range hood is determined to be a third working state and the air exhaust state is determined to be a reverse flow state, determining the working gear to be the second working gear.
Further, determining that the working state of the range hood is a third working state and the exhaust state is a reverse flow state, and determining that the working gear comprises, based on the current load current and the sensor parameter: determining the operating range as the second operating range.
In a second aspect, an embodiment of the present invention further provides a central extractor hood system, including: a host and a plurality of terminals, wherein the host comprises: the terminal comprises a power distribution valve, a range hood and an air speed sensor, and an air valve controller is arranged in the power distribution valve; the air valve controller is used for collecting the current load current of the range hood; the wind speed sensor is used for collecting sensor parameters of the wind speed sensor of the range hood, wherein the sensor parameters comprise: current wind speed in the exhaust duct and the wind direction in the exhaust duct, the wind direction includes: an outer wind direction and an inner wind direction; the air valve controller is used for determining working parameters of the range hood based on the current load current and the sensor parameters, adjusting the angle of an air valve of the range hood based on the working parameters, and sending the working parameters to the fan frequency conversion controller, wherein the working parameters comprise at least one of the following: working state, working gear and air exhaust state; and the fan frequency conversion controller is used for determining the number of target range hoods based on the working parameters and adjusting the working frequency of the fan according to the number of the target range hoods, wherein the target range hoods are range hoods of which the working state is the starting state.
Further, the main machine and the power distribution valve communicate wirelessly.
Further, the blast gate controller includes: the current detection circuit is used for detecting the current load current of the range hood; and the wind speed sensor interface circuit is used for acquiring sensor parameters of the wind speed sensor of the range hood, which are acquired by the wind speed sensor.
Furthermore, the wind speed sensor is an omnidirectional wind speed sensor, wherein 0-180-degree position lines of the wind speed sensor are arranged in the flowing direction of airflow of each branch smoke exhaust pipeline in the central range hood system in parallel.
In the embodiment of the invention, by acquiring the current load current of the range hood and the sensor parameters of the wind speed sensor of the range hood, the sensor parameters comprise: the current wind speed in the exhaust duct and the wind direction in the exhaust duct; determining working parameters of the range hood based on the current load current and sensor parameters, and adjusting the angle of an air valve of the range hood based on the working parameters, wherein the working parameters comprise at least one of the following: working state, working gear and air exhaust state; the host computer of giving central authorities ' range hood with operating parameter, so that the host computer determines the quantity of target lampblack absorber based on operating parameter, and the operating frequency of host computer is adjusted according to the quantity of target lampblack absorber, wherein, the target lampblack absorber is the lampblack absorber that operating condition is the power on state, the purpose that can cross the operating condition and the work gear of accurate definite lampblack absorber has been reached, and then the technical problem that current central authorities ' range hood is difficult to the operating condition and the work gear of accurate definite lampblack absorber has been solved, thereby realized through the operating condition and the work gear optimization smoke exhaust effect of accurate definite lampblack absorber and promoted user experience's technological effect.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a flowchart of a central range hood system control method according to an embodiment of the present invention;
fig. 2 is a schematic view of a central extractor hood system according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
in accordance with an embodiment of the present invention, there is provided an embodiment of a method for controlling a central range hood system, wherein the steps illustrated in the flowchart of the drawings may be performed in a computer system, such as a set of computer-executable instructions, and wherein, although a logical ordering is illustrated in the flowchart, in some cases, the steps illustrated or described may be performed in an order different than that illustrated herein.
Fig. 1 is a flowchart of a central range hood system control method according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:
step S102, obtaining the current load current of the range hood and the sensor parameters of the wind speed sensor of the range hood, wherein the sensor parameters comprise: current wind speed in the exhaust duct and the wind direction in the exhaust duct, the wind direction includes: an outer wind direction and an inner wind direction;
step S104, determining working parameters of the range hood based on the current load current and the sensor parameters, and adjusting the angle of an air valve of the range hood based on the working parameters, wherein the working parameters comprise at least one of the following parameters: working state, working gear and air exhaust state;
and S106, sending the working parameters to a host of a central range hood so that the host determines the number of target range hoods based on the working parameters and adjusts the working frequency of the host according to the number of the target range hoods, wherein the target range hoods are range hoods of which the working states are starting states.
In the embodiment of the invention, by acquiring the current load current of the range hood and the sensor parameters of the wind speed sensor of the range hood, the sensor parameters comprise: the current wind speed in the exhaust duct and the wind direction in the exhaust duct; determining working parameters of the range hood based on the current load current and sensor parameters, and adjusting the angle of an air valve of the range hood based on the working parameters, wherein the working parameters comprise at least one of the following: working state, working gear and air exhaust state; the host computer of giving central authorities ' range hood with operating parameter, so that the host computer determines the quantity of target lampblack absorber based on operating parameter, and the operating frequency of host computer is adjusted according to the quantity of target lampblack absorber, wherein, the target lampblack absorber is the lampblack absorber that operating condition is the power on state, the purpose that can cross the operating condition and the work gear of accurate definite lampblack absorber has been reached, and then the technical problem that current central authorities ' range hood is difficult to the operating condition and the work gear of accurate definite lampblack absorber has been solved, thereby realized through the operating condition and the work gear optimization smoke exhaust effect of accurate definite lampblack absorber and promoted user experience's technological effect.
In the embodiment of the present invention, step S104 includes the following steps:
step S11, determining the working state and/or the air exhaust state based on the current load current and the sensor parameters;
step S12, determining the operating range based on the current load current and the sensor parameter.
In the embodiment of the invention, if the load current is detected, the signals of the wind speed sensor are further judged, whether the signals of the externally-discharged wind speed exist or not is judged, if the signals of the externally-discharged wind speed exist, the range hood is judged to be opened, the air valve is controlled to be opened, and the starting state is reported to the host; if only load current is detected, the range hood is judged not to be opened, and the air valve is kept closed.
And adjusting the frequency of the host according to the starting number of the range hood (a table look-up mode can be used).
And if the load current and the wind speed ratio of the outer directional pipeline are detected to be increased for the previous time and the load current is in the current range of the gear, judging that the gear of the range hood is switched to a strong gear (namely, a second working gear), and controlling the angle of the air valve to be increased.
If the load current and the pipeline wind speed ratio are detected to be reduced for the previous time and the load current is in the current range of the gear, the gear of the range hood is judged to be switched to a weak gear (namely, a third working gear), and the angle of the air valve is controlled to be reduced.
If the load current is detected to be zero, the range hood is judged to be shut down, the air valve is controlled to be closed, and the shut-down state is reported to the host.
Specifically, if the current load current is less than or equal to the current threshold corresponding to the first working gear and the working state identifier of the range hood is the start identifier, it is determined that the working state of the range hood is the first working state, where the first working state is used to represent that the working state of the range hood is the stop state.
And if the current load current is greater than a current threshold corresponding to the first working gear, the wind direction is an outer air exhaust direction, and the working identifier of the range hood is a shutdown identifier, determining that the working state of the range hood is a second working state and the air exhaust state is a forward exhaust state, wherein the second working state is used for representing that the working state of the range hood is a startup state.
And if the current load current is greater than the current threshold corresponding to the first working gear and the wind direction is an internal exhaust wind direction, determining that the working state of the range hood is a third working state and the exhaust state is a reverse flow state, wherein the third working state is used for representing that the working state of the range hood is a starting state.
And if the current load current is 0, determining that the working state of the range hood is a fourth working state, wherein the fourth working state is used for representing that the working state of the range hood is a shutdown state.
The working state of each range hood can be accurately judged by the method.
Step S12 includes the following steps:
if the current load current is smaller than the historical load current and the current wind speed is smaller than the historical wind speed, determining the working gear as a third working gear;
if the current load current is greater than the historical load current and the current wind speed is greater than the historical wind speed, determining the working gear as a second working gear;
and after the working state of the range hood is determined to be the third working state and the air exhaust state is determined to be the reverse flow state, determining the working gear as a second working gear.
The current working gear of the range hood can be accurately determined by comparing the current load current with the historical load current and comparing the current wind speed with the historical wind speed.
It should be noted that after obtaining the current wind speed and the current load current, the angle of the damper can be adjusted as follows.
Calculating a first difference between the current load current and the historical load current, and calculating a second difference between the current wind speed and the historical wind speed;
if the first difference is larger than the current threshold corresponding to the second working gear and the second difference is larger than the wind speed threshold corresponding to the second working gear, increasing the angle of the air valve based on the first difference and the second difference;
if the first difference is smaller than or equal to a current threshold corresponding to a third working gear and the third difference is smaller than or equal to a wind speed threshold corresponding to the third working gear, determining the current load current as historical load current and determining the current wind speed as historical wind speed, wherein the current threshold corresponding to the third working gear is smaller than the current threshold corresponding to the second working gear, and the wind speed threshold corresponding to the third working gear is smaller than the wind speed threshold corresponding to the second working gear;
and if the first difference is smaller than or equal to the current threshold corresponding to the second working gear and larger than the current threshold corresponding to the third working gear, and the second difference is smaller than or equal to the wind speed threshold corresponding to the second working gear and larger than the wind speed threshold corresponding to the third working gear, reducing the angle of the air valve.
In addition, after the operating state of the range hood is determined to be the second operating state and the exhaust state is determined to be the forward exhaust state, the current load current is determined to be the historical load current, and the current wind speed is determined to be the historical wind speed.
Example two:
the embodiment of the invention also provides a central range hood system, which is used for executing the central range hood control method provided by the embodiment of the invention, and the following is a specific introduction of the central range hood provided by the embodiment of the invention.
As shown in fig. 2, fig. 2 is a schematic view of the central range hood, and the central range hood includes: a host and a plurality of terminals, wherein the host comprises: the system comprises a fan 10 and a fan variable frequency controller 20, wherein the terminal comprises a power distribution valve 30, a range hood 40 and an air speed sensor 50, and an air valve controller 60 is arranged in the power distribution valve;
the air valve controller 60 is used for collecting the current load current of the range hood;
the wind speed sensor 50 is used for collecting sensor parameters of the wind speed sensor of the range hood, wherein the sensor parameters comprise: current wind speed in the exhaust duct and the wind direction in the exhaust duct, the wind direction includes: an outer wind direction and an inner wind direction;
the air valve controller 60 is configured to determine a working parameter of the range hood based on the current load current and the sensor parameter, adjust an angle of an air valve of the range hood based on the working parameter, and send the working parameter to the fan frequency conversion controller, where the working parameter includes at least one of: working state, working gear and air exhaust state;
and the fan frequency conversion controller 20 is used for determining the number of target range hoods based on the working parameters and adjusting the working frequency of the fan according to the number of the target range hoods, wherein the target range hoods are range hoods of which the working state is the starting state.
In an embodiment of the invention, the parameters of the pass sensor include: the current wind speed in the exhaust duct and the wind direction in the exhaust duct; determining working parameters of the range hood based on the current load current and sensor parameters, and adjusting the angle of an air valve of the range hood based on the working parameters, wherein the working parameters comprise at least one of the following: working state, working gear and air exhaust state; the host computer of giving central authorities ' range hood with operating parameter, so that the host computer determines the quantity of target lampblack absorber based on operating parameter, and the operating frequency of host computer is adjusted according to the quantity of target lampblack absorber, wherein, the target lampblack absorber is the lampblack absorber that operating condition is the power on state, the purpose that can cross the operating condition and the work gear of accurate definite lampblack absorber has been reached, and then the technical problem that current central authorities ' range hood is difficult to the operating condition and the work gear of accurate definite lampblack absorber has been solved, thereby realized through the operating condition and the work gear optimization smoke exhaust effect of accurate definite lampblack absorber and promoted user experience's technological effect.
Preferably, the main machine and the power distribution valve communicate wirelessly.
Preferably, the air valve controller comprises: the current detection circuit is used for detecting the current load current of the range hood; and the wind speed sensor interface circuit is used for acquiring sensor parameters of the wind speed sensor of the range hood, which are acquired by the wind speed sensor.
Preferably, the wind speed sensor is an omnidirectional wind speed sensor, wherein a 0-180-degree position line of the wind speed sensor is arranged in the flowing direction of airflow of each branch smoke exhaust pipeline in the central range hood system in parallel.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A control method of a central range hood system is characterized by comprising the following steps:
acquiring the current load current of the range hood and the sensor parameters of the wind speed sensor of the range hood, wherein the sensor parameters comprise: current wind speed in the exhaust duct and the wind direction in the exhaust duct, the wind direction includes: an outer wind direction and an inner wind direction;
based on the current load current and the sensor parameters, determining working parameters of the range hood, and adjusting the angle of an air valve of the range hood based on the working parameters, wherein the working parameters comprise at least one of the following: working state, working gear and air exhaust state;
and sending the working parameters to a host of a central range hood so that the host determines the number of target range hoods based on the working parameters and adjusts the working frequency of the host according to the number of the target range hoods, wherein the target range hoods are range hoods of which the working states are starting states.
2. The method of claim 1, wherein determining operating parameters of the range hood based on the present load current and the sensor parameters comprises:
determining the working state and/or the air exhaust state based on the current load current and the sensor parameter;
and determining the working gear based on the current load current and the sensor parameter.
3. The method of claim 2, wherein determining the operating state based on the present load current and the sensor parameter comprises:
if the current load current is less than or equal to a current threshold corresponding to a first working gear and the working state identifier of the range hood is a starting identifier, determining that the working state of the range hood is a first working state, wherein the first working state is used for representing that the working state of the range hood is a shutdown state;
if the current load current is greater than a current threshold value corresponding to a first working gear, the wind direction is the outward exhausting wind direction, and the working identifier of the range hood is a shutdown identifier, determining that the working state of the range hood is a second working state and the air exhausting state is a forward exhausting state, wherein the second working state is used for representing that the working state of the range hood is a startup state;
if the current load current is greater than a current threshold corresponding to a first working gear and the wind direction is the internal exhaust direction, determining that the working state of the range hood is a third working state and the exhaust state is a reverse flow state, wherein the third working state is used for representing that the working state of the range hood is a starting state;
and if the current load current is 0, determining that the working state of the range hood is a fourth working state, wherein the fourth working state is used for representing that the working state of the range hood is a shutdown state.
4. The method according to claim 2, wherein if the current load current is greater than a current threshold corresponding to a first operating range, the wind direction is the outward discharge wind direction, and the operating identifier of the range hood is a startup identifier, adjusting an angle of an air valve of the range hood based on the operating parameters comprises:
calculating a first difference between the current load current and a historical load current, and calculating a second difference between the current wind speed and a historical wind speed;
if the first difference is larger than a current threshold corresponding to a second working gear and the second difference is larger than a wind speed threshold corresponding to the second working gear, increasing the angle of the air valve based on the first difference and the second difference;
if the first difference is smaller than or equal to a current threshold corresponding to a third working gear and the second difference is smaller than or equal to a wind speed threshold corresponding to the third working gear, determining the current load current as the historical load current and determining the current wind speed as the historical wind speed, wherein the current threshold corresponding to the third working gear is smaller than the current threshold corresponding to the second working gear, and the wind speed threshold corresponding to the third working gear is smaller than the wind speed threshold corresponding to the second working gear;
and if the first difference is smaller than or equal to the current threshold corresponding to the second working gear and larger than the current threshold corresponding to the third working gear, and the second difference is smaller than or equal to the wind speed threshold corresponding to the second working gear and larger than the wind speed threshold corresponding to the third working gear, reducing the angle of the air valve.
5. The method of claim 4, after determining that the operating state of the range hood is the second operating state and the exhaust state is the in-line state, the method further comprising:
determining the present load current as the historical load current and determining the present wind speed as the historical wind speed.
6. The method of claim 5, wherein determining the operating range based on the present load current and the sensor parameter comprises:
if the current load current is smaller than the historical load current and the current wind speed is smaller than the historical wind speed, determining the working gear as the third working gear;
if the current load current is larger than the historical load current and the current wind speed is larger than the historical wind speed, determining the working gear as the second working gear;
and after the working state of the range hood is determined to be a third working state and the air exhaust state is determined to be a reverse flow state, determining the working gear to be the second working gear.
7. A central range hood system, comprising: a host and a plurality of terminals, wherein the host comprises: the terminal comprises a power distribution valve, a range hood and an air speed sensor, and an air valve controller is arranged in the power distribution valve;
the air valve controller is used for collecting the current load current of the range hood;
the wind speed sensor is used for collecting sensor parameters of the wind speed sensor of the range hood, wherein the sensor parameters comprise: current wind speed in the exhaust duct and the wind direction in the exhaust duct, the wind direction includes: an outer wind direction and an inner wind direction;
the air valve controller is used for determining working parameters of the range hood based on the current load current and the sensor parameters, adjusting the angle of an air valve of the range hood based on the working parameters, and sending the working parameters to the fan frequency conversion controller, wherein the working parameters comprise at least one of the following: working state, working gear and air exhaust state;
and the fan frequency conversion controller is used for determining the number of target range hoods based on the working parameters and adjusting the working frequency of the fan according to the number of the target range hoods, wherein the target range hoods are range hoods of which the working state is the starting state.
8. The system of claim 7,
the main machine and the power distribution valve are communicated in a wireless mode.
9. The system of claim 7, wherein the damper controller comprises: a current detection circuit and an interface circuit of the wind speed sensor, wherein,
the current detection circuit is used for detecting the current load current of the range hood;
and the wind speed sensor interface circuit is used for acquiring sensor parameters of the wind speed sensor of the range hood, which are acquired by the wind speed sensor.
10. The system of claim 7,
the wind speed sensor is an omnidirectional wind speed sensor, wherein 0-180-degree position lines of the wind speed sensor are arranged in the flowing direction of airflow of each branch smoke exhaust pipeline in the central range hood system in parallel.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116147040A (en) * | 2023-04-17 | 2023-05-23 | 杭州老板电器股份有限公司 | Air valve control method and system of variable-frequency range hood |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005063350A1 (en) * | 2005-06-04 | 2007-01-11 | Diehl Ako Stiftung & Co. Kg | Extractor hood and method for controlling a extractor hood, has exhaust to suck in air flow with filter to clean air flow, which is arranged with exhaust and controller steers output of exhaust as function of degree of pollution of air flow |
| JP2019007715A (en) * | 2017-06-28 | 2019-01-17 | 三菱電機株式会社 | Heating cooker and heating cooking system |
| CN111594888A (en) * | 2019-02-20 | 2020-08-28 | 宁波方太厨具有限公司 | Central flue system and air volume self-adaptive adjusting method thereof |
| CN111692623A (en) * | 2020-07-28 | 2020-09-22 | 北京耀邦环保技术开发有限公司 | Resident building oil smoke purifier and system |
| CN212457041U (en) * | 2020-06-19 | 2021-02-02 | 杭州老板电器股份有限公司 | Fume exhaust fan |
| CN113357688A (en) * | 2021-07-27 | 2021-09-07 | 杭州老板电器股份有限公司 | Central range hood system control method and device and central range hood system |
| CN215212122U (en) * | 2021-01-21 | 2021-12-17 | 杭州诚敬信息技术有限公司 | Resident building oil smoke clean system |
| CN113883568A (en) * | 2021-11-05 | 2022-01-04 | 杭州老板电器股份有限公司 | Central range hood, terminal part and air valve control method of range hood |
-
2022
- 2022-02-22 CN CN202210161004.2A patent/CN114383173A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005063350A1 (en) * | 2005-06-04 | 2007-01-11 | Diehl Ako Stiftung & Co. Kg | Extractor hood and method for controlling a extractor hood, has exhaust to suck in air flow with filter to clean air flow, which is arranged with exhaust and controller steers output of exhaust as function of degree of pollution of air flow |
| JP2019007715A (en) * | 2017-06-28 | 2019-01-17 | 三菱電機株式会社 | Heating cooker and heating cooking system |
| CN111594888A (en) * | 2019-02-20 | 2020-08-28 | 宁波方太厨具有限公司 | Central flue system and air volume self-adaptive adjusting method thereof |
| CN212457041U (en) * | 2020-06-19 | 2021-02-02 | 杭州老板电器股份有限公司 | Fume exhaust fan |
| CN111692623A (en) * | 2020-07-28 | 2020-09-22 | 北京耀邦环保技术开发有限公司 | Resident building oil smoke purifier and system |
| CN215212122U (en) * | 2021-01-21 | 2021-12-17 | 杭州诚敬信息技术有限公司 | Resident building oil smoke clean system |
| CN113357688A (en) * | 2021-07-27 | 2021-09-07 | 杭州老板电器股份有限公司 | Central range hood system control method and device and central range hood system |
| CN113883568A (en) * | 2021-11-05 | 2022-01-04 | 杭州老板电器股份有限公司 | Central range hood, terminal part and air valve control method of range hood |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116147040A (en) * | 2023-04-17 | 2023-05-23 | 杭州老板电器股份有限公司 | Air valve control method and system of variable-frequency range hood |
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