CN114251691B - Range hood, control method thereof and computer readable storage medium - Google Patents
Range hood, control method thereof and computer readable storage medium Download PDFInfo
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- CN114251691B CN114251691B CN202011007270.7A CN202011007270A CN114251691B CN 114251691 B CN114251691 B CN 114251691B CN 202011007270 A CN202011007270 A CN 202011007270A CN 114251691 B CN114251691 B CN 114251691B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- 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
- F24C15/2035—Arrangement or mounting of filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a range hood, a control method thereof and a computer readable storage medium, wherein the range hood comprises: a tobacco machine main body; the air purifying device is provided with a purifying air duct, a filtering piece and a purifying fan, wherein the filtering piece and the purifying fan are arranged in the purifying air duct; the outer surface of the cigarette machine main body is provided with an air inlet communicated with the purification air duct and an air outlet communicated with the purification air duct; the controller is electrically connected with the cigarette machine main body and the air purifying device respectively; the controller is used for controlling the working state of the purifying fan according to the working parameters of the smoke machine main body. According to the technical scheme, the working state of the purifying fan can be controlled according to the working parameters, so that the working state of the air purifying device is matched with the main body of the smoke machine, the air quantity of the air purifying device and the air speed at the air outlet are changed, the conditions of smoke leakage of the main body of the smoke machine and the like are avoided, and the effect of smoke suction of the main body of the smoke machine is improved.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a range hood, a control method thereof and a computer readable storage medium.
Background
During the cooking process, oil smoke is generated, and the oil smoke not only pollutes the air environment, but also damages the health of human bodies. The traditional range hood can discharge the oil smoke to the outside rapidly, so that the pollution to the air environment in the kitchen and the damage to the health of human bodies are reduced. However, during cooking, there is always oil smoke escaping from the conventional range hood and escaping into the kitchen space. The escaped oil smoke can still cause oil smoke pollution and damage to the health of human bodies.
Disclosure of Invention
In order to further reduce the pollution of the oil smoke to the air environment in the kitchen and the damage to the human health, the range hood is additionally provided with an air purifying device on the basis of the main body of the range hood, so that the oil smoke dissipated into the kitchen space is sucked and then purified through the air purifying device. The air purification device is provided with a certain air quantity, and if the working state of the air purification device is not matched with the current state of the main body of the smoke machine, the main body of the smoke machine can leak smoke, and the like, so that the smoke extraction efficiency of the main body of the smoke machine is low.
In order to realize the kitchen environment space purification function, the kitchen environment space purification function is realized through a large circulation air supply mode; the 3D surrounding air circulating and purifying system can effectively collect, filter, purify and circulate pollutants such as waste gas, oil smoke, peculiar smell and the like in a kitchen, and improve the original air quality in the kitchen; in order to achieve the above object, the present invention provides a range hood comprising:
A tobacco machine main body; and
the air purifying device is provided with a purifying air duct, a filtering piece and a purifying fan, wherein the filtering piece and the purifying fan are arranged in the purifying air duct;
the outer surface of the cigarette machine main body is provided with an air inlet communicated with the purification air duct and an air outlet communicated with the purification air duct;
the controller is electrically connected with the cigarette machine main body and the air purifying device respectively;
the controller is used for controlling the working state of the purifying fan according to the working parameters of the smoke machine main body.
On one hand, the air purifying device and the main body of the smoke machine cooperate to discharge most of the oil smoke outdoors, and the small part of the oil smoke is circularly purified and removed, so that the pollution of the oil smoke to the air environment and the damage to the health of human bodies are further reduced; on the other hand, the working state of the purifying fan is controlled according to the working parameters, so that the working state of the air purifying device is matched with the main body of the smoke machine, the air quantity of the air purifying device and the air speed at the air outlet are changed, the efficiency of the smoke exhaust of the main smoke machine is not affected when the air purifying device is in different circulation modes and blowing and air supplying modes, the smoke leakage of the main body of the smoke machine is avoided, and the smoke exhaust effect of the main body of the smoke machine is improved.
Optionally, the working parameters include air volume information of the main body of the smoke machine, and when the air purification device is started, the controller obtains the air volume information of the main body of the smoke machine and controls the working state of the purification fan based on the air volume information.
The working state of the purifying fan is controlled through the air quantity information so as to accurately control the purifying fan, avoid the conditions of smoke leakage and the like of the main body of the smoke machine, and improve the effect of smoke suction of the main body of the smoke machine.
Optionally, the air quantity information includes current gear information of the main body of the smoke machine, and the controller controls the working state of the purifying fan based on the current gear information.
The working state of the purifying fan is controlled through the current gear information of the main body of the smoke machine, so that the purifying fan is accurately controlled, the smoke leakage and other conditions of the main body of the smoke machine are avoided, and the smoke sucking effect of the main body of the smoke machine is improved.
Optionally, the controller determines a target starting rotation speed of the purifying fan based on a mapping relation between preset gear information and rotation speed and the current gear information, and controls the purifying fan based on the target starting rotation speed.
The starting rotating speed of the purifying fan is controlled through the current gear information of the main body of the smoke machine, so that the purifying fan is accurately controlled, the smoke leakage and other conditions of the main body of the smoke machine are avoided, and the smoke sucking effect of the main body of the smoke machine is improved.
Optionally, the main body of the smoke machine comprises a decoration cover and a smoke collecting cover arranged below the decoration cover, and a smoke exhaust duct is arranged in the decoration cover.
The air purifying device is hidden in the decorative cover, so that the appearance of the range hood is more concise.
Optionally, the purifying air duct is arranged in the decorative cover and is not communicated with the oil fume suction air duct.
Optionally, the air inlet is arranged on the side surface of the decorative cover; or,
the air inlet is arranged at the upper part of the front surface of the decorative cover; or,
the air inlet is arranged at the top of the cigarette machine main body.
The air inlet is arranged at the upper part of the front surface of the decorative cover or at the top of the main body of the smoke machine, so as to be beneficial to sucking the oil smoke accumulated in the upper space of the kitchen due to the thermal plume effect.
Optionally, the air outlet is arranged on the front surface of the decorative cover; or,
the air outlet is arranged on the side surface of the decorative cover; or,
the air outlet is arranged at the top of the cigarette machine main body; or,
the air outlet is arranged at the bottom of the main body of the cigarette machine.
The air outlet is arranged on the side surface of the decorative cover or the bottom of the main body of the smoke machine, so that the air purification can be discharged.
Optionally, the decoration cover is provided with a filter mounting port, and the filter is detachably arranged in the purification air duct through the filter mounting port.
Thus, the filter element can be conveniently disassembled, cleaned or replaced.
Optionally, the air purifying device further comprises a purifying shell arranged in the decorative cover, the purifying air duct is at least partially defined by the purifying shell, and the purifying shell is provided with an air inlet through hole communicated with the air inlet and an air outlet through hole communicated with the air outlet;
the purifying shell is provided with an installation opening corresponding to the filter installation opening, and the filter is detachably connected with the purifying shell through the filter installation opening and the installation opening.
It can be understood that the independent purification shell is arranged, so that the purification air duct can be more accurately limited, the trend of the purification air flow is accurately guided, and the purification efficiency is improved.
The invention also provides a control method of the range hood, which is applied to the range hood and comprises the following steps:
when the air purifying device is started, the device acquires working parameters of the main body of the smoke machine; and
and controlling the working state of the purifying fan based on the working parameters.
On one hand, the air purifying device and the main body of the smoke machine cooperate to discharge most of the oil smoke outdoors, and the small part of the oil smoke is circularly purified and removed, so that the pollution of the oil smoke to the air environment and the damage to the health of human bodies are further reduced; on the other hand, the working state of the purifying fan is controlled according to the working parameters, so that the working state of the air purifying device is matched with the main body of the smoke machine, the air quantity of the air purifying device and the air speed at the air outlet are changed, the efficiency of the smoke exhaust of the main smoke machine is not affected when the air purifying device is in different circulation modes and blowing and air supplying modes, the smoke leakage of the main body of the smoke machine is avoided, and the smoke exhaust effect of the main body of the smoke machine is improved.
Optionally, the working parameter includes air volume information of the main body of the smoke machine, and the step of controlling the working state of the purifying fan based on the working parameter includes:
and controlling the working state of the purifying fan based on the air quantity information.
The working state of the purifying fan is controlled through the air quantity information so as to accurately control the purifying fan, avoid the conditions of smoke leakage and the like of the main body of the smoke machine, and improve the effect of smoke suction of the main body of the smoke machine.
Optionally, the air volume information includes current gear information of the main body of the smoke machine, and the step of controlling the working state of the purifying fan based on the air volume information includes:
and controlling the working state of the purifying fan based on the current gear information.
The working state of the purifying fan is controlled through the current gear information of the main body of the smoke machine, so that the purifying fan is accurately controlled, the smoke leakage and other conditions of the main body of the smoke machine are avoided, and the smoke sucking effect of the main body of the smoke machine is improved.
Optionally, the step of controlling the working state of the purifying fan based on the current gear information includes:
determining a target starting rotating speed of the purifying fan based on a mapping relation between preset gear information and rotating speed and the current gear information; and
And controlling the purifying fan based on the target starting rotating speed.
The starting rotating speed of the purifying fan is controlled through the current gear information of the main body of the smoke machine, so that the purifying fan is accurately controlled, the smoke leakage and other conditions of the main body of the smoke machine are avoided, and the smoke sucking effect of the main body of the smoke machine is improved.
The invention also provides a computer readable storage medium, wherein the computer readable storage medium is stored with a control program of the range hood, and the control program of the range hood realizes the steps of the control method of the range hood when being executed by a processor.
On the one hand, the range hood of the technical scheme is additionally provided with the air purifying device on the basis of the main body of the range hood, so that most of the oil smoke generated in the cooking process can be discharged outdoors through the oil smoke suction duct when the air purifying device and the main body of the range hood work cooperatively, and a small part of the oil smoke can escape to other spaces in a kitchen, and the small part of the oil smoke can be further removed through the purifying duct, so that the pollution of the oil smoke to the air environment and the damage to the health of a human body are further reduced; on the other hand, the working state of the purifying fan is controlled according to the working parameters, so that the working state of the air purifying device is matched with the main body of the smoke machine, the air quantity of the air purifying device and the air speed at the air outlet are changed, the efficiency of the smoke exhaust of the main smoke machine is not affected when the air purifying device is in different circulation modes and blowing and air supplying modes, the smoke leakage of the main body of the smoke machine is avoided, and the smoke exhaust effect of the main body of the smoke machine is improved.
Drawings
Fig. 1 is a schematic view of a view angle of an embodiment of a range hood according to the present invention;
fig. 2 is a schematic view of the range hood of fig. 1 after removing the decorative cover and the filter;
fig. 3 is an exploded view of the range hood of fig. 1;
FIG. 4 is an enlarged schematic view of FIG. 3 at A;
FIG. 5 is a schematic view of a portion of the range hood of FIG. 1 from another perspective;
FIG. 6 is an enlarged schematic view at B in FIG. 5;
fig. 7 is a schematic view of a part of a cross-sectional structure of the range hood of fig. 1 from another view angle;
FIG. 8 is an enlarged schematic view of FIG. 7 at C;
fig. 9 is a schematic view of an air circulation path of the range hood of fig. 1;
fig. 10 is a flowchart of a control method of a range hood according to a first embodiment of the present invention.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is involved in the embodiment of the present invention, the directional indication is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides a range hood.
Referring to fig. 1 to 3, in an embodiment of the present invention, the range hood includes:
a tobacco machine main body 1; and
the air purifying device 2 is provided with a purifying air duct, a filter element 22 and a purifying fan 23 which are arranged in the purifying air duct;
the outer surface of the main body 1 of the smoke machine is provided with an air inlet 111 communicated with the purifying air duct and an air outlet 112 communicated with the purifying air duct;
a controller 3 electrically connected to the smoke machine main body 1 and the air purifying device 2, respectively;
the controller 3 is used for controlling the working state of the purifying fan 23 according to the working parameters of the smoke machine main body 1.
In this embodiment, the range hood main body 1 is provided with an oil fume suction duct, the purification duct of the air purification device 2 is not communicated with the oil fume suction duct, and a purification fan 23 is arranged in the purification duct. The smoke inlet of the smoke suction duct is communicated with the indoor and is generally suspended above a kitchen range so as to suck the smoke into the smoke suction duct; the smoke outlet of the oil smoke suction air duct is communicated with the outside of the room to discharge the oil smoke to the outside of the room; of course, the fume exhaust duct is internally provided with a fume exhaust fan for enabling air flow to flow from the fume inlet to the fume outlet. It will be appreciated that the range hood body 1 has the function of a conventional range hood.
The purifying fan 23 of the air purifying device 2 is configured to make the air flow from the air inlet 111 to the air outlet 112 via the purifying air duct. The air inlet 111 and the air outlet 112 are both communicated with the room, the air inlet 111 is used for sucking air in the kitchen, the filter 22 of the air purifying device 2 is used for filtering and purifying the sucked air, and the air outlet 112 is used for discharging the filtered and purified air back into the kitchen. When the air purification device 2 and the range hood main body 1 work cooperatively, most of the oil smoke generated in the cooking process is discharged outdoors through the oil smoke suction duct, a small part of the oil smoke can escape to other spaces in a kitchen, and the small part of the oil smoke can be further removed through the purification duct of the air purification device 2, so that the pollution of the oil smoke to the air environment and the damage to the health of a human body are further reduced.
In this embodiment, when the air purification device 2 is started, the controller 3 obtains the working parameters of the main body 1 of the smoke machine, and controls the working state of the purifying fan 23 according to the working parameters, so that the working state of the air purification device 2 is matched with the main body 1 of the smoke machine, the condition that smoke leaks from the main body 1 of the smoke machine is avoided, and the effect of smoke suction from the main body 1 of the smoke machine is improved. Specifically, the rotation speed of the purifying fan 23 can be controlled, so that the air quantity of the air purifying device 2 and the air speed at the air outlet are changed, the efficiency of the main smoke ventilator for exhausting the smoke is not affected when the air purifying device 2 is in different circulation modes and blowing and air supplying modes, and the effect of the main smoke ventilator body 1 for exhausting the smoke is improved.
Optionally, the operation parameters include air volume information of the main body 1 of the smoke machine, and when the air purification device 2 is started, the controller 3 obtains the air volume information of the main body 1 of the smoke machine and controls the operation state of the purification fan 23 based on the air volume information.
The air volume information of the main body 1 of the smoke machine may be the air volume information of the air inlet or the air volume information of the air outlet of the main body 1 of the smoke machine, and the working state of the purifying fan 23, for example, the rotating speed of the purifying fan, is controlled by the air volume information to control the air volume of the air purifying device 2 when the air purifying device is started, so that the working state of the air purifying device 2 is matched with the main body 1 of the smoke machine, the smoke leakage of the main body 1 of the smoke machine is avoided, and the smoke sucking effect of the main body 1 of the smoke machine is improved. Specifically, the air volume information of the main body 1 of the cigarette machine can be detected by an air volume sensor, or the corresponding air volume information can be determined by the current gear information of the main body 1 of the cigarette machine.
Alternatively, in an embodiment, the air volume information includes current gear information of the main body 1 of the smoke machine, and the controller 3 controls the working state of the purifying fan 23 based on the current gear information.
In this embodiment, when the air purification device 2 is started, the controller 3 obtains the current gear information of the main body 1 of the smoke machine, and controls the working state of the purifying fan 23 based on the current gear information, so as to accurately control the purifying fan according to the current gear information, avoid the situation of smoke leakage of the main body 1 of the smoke machine, and further improve the effect of smoke exhaust of the main body 1 of the smoke machine.
However, the present design is not limited thereto, and in other embodiments, the controller 3 determines the target starting rotational speed of the purifying fan 23 based on the mapping relationship between the preset gear information and the rotational speed, and the current gear information, and controls the purifying fan 23 based on the target starting rotational speed.
In this embodiment, the range hood pre-stores a mapping relationship between preset gear information and rotation speed, when the air purification device 2 is started, the controller 3 obtains current gear information and the mapping relationship of the main body 1 of the range hood, determines a target starting rotation speed of the purification fan 23 according to the current gear information and the mapping relationship, and controls the purification fan 23 based on the target starting rotation speed, so as to improve accuracy of rotation speed control of the purification fan 23, thereby changing air volume of the air purification device 2 and air speed at an air outlet, and realizing that when the air purification device 2 is in different circulation modes and blowing and air supplying modes, the efficiency of the main body 1 of the range hood is not affected, and further improving the effect of the main body 1 of the range hood on fume.
For example, the preset gear information of the tobacco machine body 1 may include 1 st gear, 2 nd gear, 3 rd gear, quick-fried gear, and the like. The maximum rotational speed of the air cleaner 2 is V, and the corresponding maximum air volume is X.
If the current gear information is 0, the main body 1 of the smoke machine is in a stop state, and the air purifying device 2 does not affect the main body 1 of the smoke machine, so that the corresponding target starting rotation speed can be V, and after the purifying fan 23 is controlled based on the target starting rotation speed, the air quantity of the air purifying device 2 is the maximum air quantity X, so that the air circulation in the kitchen is performed as soon as possible, and the air quality in the kitchen is improved.
If the current gear information is 1, the main body 1 of the smoke machine is in the low gear running state, so the corresponding target starting rotation speed may be yV, and the air quantity of the air purifying device 2 is yX after the purifying fan 23 is controlled based on the target starting rotation speed.
If the current gear information is 2, the main body 1 of the smoke machine is in a middle gear running state, so that the corresponding target starting rotation speed can be 2yV, and the air quantity of the air purifying device 2 is 2yX after the purifying fan 23 is controlled based on the target starting rotation speed.
If the current gear information is 3, the main body 1 of the smoke machine is in the high-gear running state, so that the corresponding target starting rotation speed can be 3yV, and the air quantity of the air purifying device 2 is 3yX after the purifying fan 23 is controlled based on the target starting rotation speed.
If the current gear information is a quick-fried gear, at this time, the corresponding target starting rotation speed may be 4yV, and after the purifying fan 23 is controlled based on the target starting rotation speed, the air volume of the air purifying device 2 is 4yX.
Wherein y is a constant, and y can be set to be 0.15-0.22, so that 4y is smaller than 1, and the maximum air quantity X can be 0-1000 m 3 The purified air volume per hour is preferably 100 to 500 m 3 Purified air quantity per hour;
optionally, the range hood body 1 comprises a decoration cover 11 and a fume collecting hood 12 arranged below the decoration cover 11, an oil fume suction duct is arranged in the decoration cover 11, and the oil fume suction duct is not communicated with the purification duct. The air purifying device 2 is provided in the decorative cover 11, and in this embodiment, the air purifying device 2 is hidden in the decorative cover 11 to share an exterior member, thereby simplifying the structure of the range hood.
However, the present design is not limited thereto, and in other embodiments, referring to fig. 2, the air purifying device 2 may be disposed outside the main body 1 of the cigarette machine, for example, but not limited to, fixed to the front surface of the decorative cover 11. In still other embodiments, the air purifying device 2 may be mounted independently of the cigarette machine body 1, i.e. the air purifying device 2 is movable relative to the cigarette machine body 1, at this time, the air purifying device 2 may be connected to the cigarette machine body 1 through a power supply line to be supplied by the cigarette machine body 1, or the air purifying device 2 may be provided with a plug-in device, and may be supplied by a separate plug-in device.
Optionally, referring to fig. 1, the controller 3 is fixedly arranged on the main body 1 of the smoke machine; it will be appreciated that the range body 1 is generally larger in size than the air cleaning device 2, with more and more convenient locations and space for mounting the controller 3. The controller 3 is usually connected with the lampblack fan of the main body 1 of the cigarette machine and the purifying fan of the air purifying device 2 in a communication way in a wired way so as to send an opening signal and a stopping signal to the main body 1 of the cigarette machine and the air purifying device 2; of course, the controller 3 may also be in communication connection with the smoke ventilator of the main body 1 and the purifying fan of the air purifying device 2 in a wireless manner, and in particular, in a technical solution in which the air purifying device 2 is movable relative to the main body 1, the controller 3 is generally in wireless communication connection with the purifying fan of the air purifying device 2.
Optionally, referring to fig. 2, the first oil smoke sensor is disposed at the air inlet 111 of the air purifying device 2, so that the first oil smoke sensor is used for monitoring the oil smoke concentration before the air purifying device 2 filters, so as to be beneficial to sensing the escape and diffusion of cooking oil smoke through the first oil smoke sensor, and timely judging whether the filter element of the air purifying device 2 fails.
Optionally, the air inlet 111 is disposed on a side surface of the decorative cover 11, so as to facilitate sucking the oil smoke escaping to the side of the range hood into the purifying air duct, so as to reduce the oil smoke on the side of the range hood; in particular, when a range with a double burner is used below the range hood, the cooking fumes generated during cooking are easy to escape from the side direction of the range hood, and the air inlet 111 provided at the side of the decorative cover 11 is more advantageous for sucking the cooking fumes.
Optionally, the two opposite sides of the decorative cover 11 are respectively provided with the air inlet 111 to reduce the oil smoke on two sides of the range hood. Of course, the air inlet 111 may be provided only on one of the two side surfaces of the decorative cover 11. Optionally, an air inlet grille is disposed on the air inlet 111 to prevent hands and other foreign objects from extending into the decorative cover 11.
Optionally, two filter elements 22 are provided, and each filter element 22 is disposed near one air inlet 111; thus, as soon as the air with the oil smoke enters the purifying air duct, the filtering piece 22 can be used for filtering, and the probability of polluting other devices in the purifying air duct with the oil smoke is reduced. However, the present design is not limited thereto, and in other embodiments, only one filter 22 may be disposed near the air outlet 112, so that the fume in the air can be purified and then discharged.
In this embodiment, the air inlet 111 is disposed on a side surface of the decorative cover 11; however, the present design is not limited thereto, and in other embodiments, the air inlet 111 may be disposed on the front upper portion of the decorative cover 11 or on the top of the main body 1 of the kitchen ventilator, so as to facilitate sucking the oil smoke accumulated in the upper space of the kitchen due to the thermal plume effect, thereby facilitating the air circulation and purification of the whole space of the kitchen. When the air inlet 111 is provided at the top of the main body 1, it is usually provided on a top plate of the main body 1 connected to the decorative cover 11; of course, in some other embodiments, the air inlet 111 may be provided on a wider top flange of the trim cover 11 when the top bend is provided with such a flange.
Alternatively, the hood fan of the hood body 1 and the purifying fan 23 of the air purifying device 2 are connected to the same controller 3, that is, the hood controls the hood body 1 and the air purifying device 2 through the same controller 3. However, the present design is not limited thereto, and in other embodiments, the range hood may be provided with two different controllers 3 to control the range hood fan of the main body 1 and the purifying fan 23 of the air purifying device 2 respectively.
Optionally, a control switch 4 is also included, the control switch 4 is used to control the purifying fan 23 of the air purifying device 2, and the control switch 4 is usually arranged on the fume collecting hood 12. The lampblack fan of the lampblack absorber main body 1 and the purifying fan 23 of the air purifying device 2 respectively use different control switches to realize the independent on and off control of the lampblack absorber main body 1 and the air purifying device 2, so that a user can use the lampblack exhausting function and the air purifying function of the lampblack absorber more flexibly. The control switch 4 is typically electrically connected to the controller 3 to enable control of on and off.
Referring to fig. 1 to 3, in one embodiment, the air outlet 112 is provided on the front surface of the decorative cover 11; in this way, after the purge fan 23 of the air purge device 2 is turned on, the air outlet 112 is blown forward or at least has a forward air outlet component. During cooking, a user typically stands in front of the range hood, and the space in front of the range hood may be defined as the user's breathing zone. It can be understood that the purified air is conveyed to the user breathing zone by the forward air outlet, so that the air quality of the user breathing zone is improved, the probability of sucking oil smoke by a user can be further reduced, and the damage of the oil smoke to the health of the user is reduced.
Optionally, the air outlet 112 is located at the lower part of the decorative cover 11; it will be appreciated that the lower portion of the decorative cover 11 is closer to the user's breathing zone, more advantageously delivering purified air to the user's breathing zone.
However, the design is not limited thereto, and in other embodiments, the air outlet 112 may be provided at the top of the main body 1 of the kitchen ventilator, so as to facilitate pushing down the oil smoke accumulated in the upper space of the kitchen to be sucked and purified by the air purifying device 2, so that the oil smoke in the upper half of the kitchen space is introduced into the air circulation purification, and the oil smoke in the kitchen is further reduced; similarly, the air outlet 112 is usually provided on the top plate of the main body 1 of the cigarette machine connected to the decorative cover 11, and of course, when the top of the decorative cover 11 is bent to provide a wider top edge, the air inlet 111 may be provided on the top edge.
In other embodiments, the air outlet 112 may be provided on the side of the decorative cover 11 or on the bottom of the main body 1 of the cigarette machine, so that the purified air can be exhausted. When the air outlet 112 is provided at the bottom of the main body 1 of the smoke collecting hood 12, it is usually provided at the bottom of the main body; it will be appreciated that the purge air duct is now also partially disposed within the hood 12. Optionally, the air outlet 112 may have an adjustable air outlet direction; thus, the air outlet direction can be changed to meet more air outlet demands of the user on the air outlet 112, for example, to meet direct blowing or non-direct blowing demands of users with different heights.
Referring to fig. 5 and fig. 6 together, optionally, the air purifying device 2 further includes a wind guiding blade 100, and the wind guiding blade 100 is rotatably disposed at the air outlet 112, so as to adjust the air outlet direction of the air outlet 112 by rotating the wind guiding blade 100, and the air outlet direction of the air outlet 112 is continuously adjustable. However, the present design is not limited thereto, and in other embodiments, an air guiding frame for fixing the air guiding blades 100 may be installed on the air outlet 112, and a plurality of air guiding frames are configured, the inclination angles of the air guiding blades 100 of different air guiding frames are different, and the air outlet direction of the air outlet 112 may be changed by changing different air guiding frames.
When the air outlet 112 is disposed on the front surface of the decorative cover 11, for the rotatable technical scheme of the air guide blade 100, optionally, the air guide blade 100 extends along the transverse direction, and the included angle between the air guide blade 100 and the horizontal plane is in the range of-90 ° to 90 ° during the rotation of the air guide blade 100; it can be understood that when the included angle between the wind guiding blade 100 and the horizontal plane is smaller than zero, the wind guiding blade 100 is inclined towards the lower wind guiding direction, and when the included angle between the wind guiding blade 100 and the horizontal plane is larger than or equal to zero, the wind guiding blade 100 is inclined towards the upper wind guiding direction; in the present embodiment, the air guiding direction of the air guiding blade 100 can be continuously adjustable from nearly vertical downward to nearly vertical upward.
Further alternatively, the included angle between the air guiding blade 100 and the horizontal plane ranges from-45 ° to 45 °, and under the included angle range, the air guiding direction of the air guiding blade 100 can ensure a larger ventilation rate of the air outlet 112 while considering the breathing area of the user and the oil smoke accumulation area at the front upper part of the range hood; it can be appreciated that the wind resistance generated by the wind turbine blade 100 is greater as the angle between the wind turbine blade 100 and the horizontal plane is closer to-90 ° or 90 °.
In addition, in other embodiments, the angle between the wind guiding blade 100 and the horizontal plane may be in the range of 30 ° to 75 °. It will be appreciated that, in this range of rotation, the air guide vanes 100 extend obliquely upward, so that the air blown from the air outlet 112 is mainly conveyed in an obliquely upward direction, so as to have a larger upward air outlet component, and the upward air outlet component can push the oil smoke in the upper half of the kitchen space to flow downward, so as to be sucked and purified by the air inlet 111, thereby incorporating the oil smoke in the upper half of the kitchen space into the air circulation purification (as shown in fig. 9), and further reducing the oil smoke in the kitchen.
In the cooking process, edible oil and food undergo a series of chemical reactions such as oxidation, cracking, polymerization and the like at high temperature, a large amount of organic smoke is evaporated, and part of decomposed substances are dispersed into air in the form of oil mist to form oil smoke. The oil fume includes edible oil and its heated decomposed or cracked product, and includes the products of physical and chemical reaction of protein, polymer and other seasoning in food, and is one kind of matter in gas, liquid and solid state. Generally, the definition is that particulate matter emissions (Particulate Matter Emissions) consisting of liquid and solid in fume emissions are abbreviated as PME, volatile organic compounds (Volatile Organic Compounds Emissions) are emitted, and the particulate matter emissions are abbreviated as VOCs, and fume is composed of the two substances.
In one embodiment, filter 22 includes HEPA filter mesh 221 (high efficiency air filter mesh) and activated carbon filter mesh 222 (see FIG. 3). The HEPA filter screen 221 is mainly used for filtering particulate matters (liquid and solid) in the oil smoke, and the materials of the HEPA filter screen can comprise PP filter paper (polypropylene filter paper), glass fiber, PTFE filter paper (polytetrafluoroethylene filter paper), nanofiber, melt-blown polyester non-woven fabric and the like, and the HEPA filter screen has the characteristics of large dust holding capacity and high filtering precision, can filter the particulate matters of the oil smoke with the filtering efficiency of more than 90 percent, and can be processed into required sizes and shapes according to model requirements. The activated carbon filter screen 222 is mainly used for filtering volatile organic compounds (smell) in the oil smoke, and the material thereof can include activated carbon fiber, activated carbon particles, etc., and the activated carbon material can be coconut shell, fruit shell, coal carbon, etc., which has a larger specific surface area, or the activated carbon material can be molecular sieve material, which has a better adsorption effect. Optionally, the HEPA filter 221 is located upstream of the activated carbon filter 222 in the airflow direction, so that particles in the oil smoke can be prevented from adhering to the activated carbon filter 222, thereby prolonging the service life of the activated carbon filter 222.
Optionally, the filter 22 is located upstream of the purge fan 23 in the direction of the air flow; therefore, the air flow passing through the purifying fan 23 is the purified air flow, the oil smoke is prevented from accumulating on the purifying fan 23, and the service life of the purifying fan 23 is prolonged.
Referring to fig. 1 to 4, 7 and 8, in one embodiment, the decorative cover 11 is provided with a filter mounting port 113, and the filter 22 is detachably provided in the purge duct through the filter mounting port 113; in this manner, removal, cleaning, or replacement of the filter element 22 may be facilitated. It will be appreciated that the filter element 22 typically has a life, for example, the HEPA filter 221 used in the present solution is designed to have a service life of typically more than 1 month, and needs to be replaced after its service life has arrived to ensure that the air cleaning device 2 has good cleaning capability, and in addition, it is removed periodically or aperiodically for cleaning or cleaning, which is beneficial for extending its service life.
Optionally, the filter cover 24 is disposed on the filter mounting port 113; thus, after the filter 22 is installed into the purification air duct from the filter installation opening 113, the filter cover 24 is covered on the filter installation opening 113, so that the filter 22 can be prevented from shaking out, the structural stability of the product is improved, and foreign matters and the like can be prevented from entering the purification air duct from the filter installation opening 113.
Optionally, the air purifying device 2 further includes a purifying housing 21 disposed in the decorative cover 11, and the purifying air duct is at least partially defined by the purifying housing 21, and the purifying housing 21 is provided with an air inlet 211 communicating with the air inlet 111, and an air outlet 212 communicating with the air outlet 112. It can be understood that the independent purifying shell 21 is arranged, so that the purifying air duct can be more accurately limited, the trend of the purifying air flow can be accurately guided, the purifying efficiency is improved, and in addition, the purifying shell 21 can more conveniently attach the filtering piece 22 and the purifying fan 23; however, the present design is not limited thereto, and in other embodiments, a partition member may be simply provided in the decorative cover 11 to isolate the purge air duct. Without loss of generality, the purifying housing 21 is provided with a mounting port 213 corresponding to the filter mounting port 113, and the filter 22 is detachably connected with the purifying housing 21 through the filter mounting port 113 and the mounting port 213.
In the present embodiment, the filter cover 24 provided at the filter mounting port 113 is connected to the purge housing 21. However, the present design is not limited thereto, and in other embodiments, the filter cover 24 may be connected to the decorative cover 11. In addition, in the present embodiment, alternatively, one side of the filter cover 24 is rotatably connected to the purge housing 21, and the other side is detachably connected to the purge housing 21; in this way, after opening the filter cover 24, the filter cover 24 remains attached to the purge housing 21, preventing the filter cover 24 from being lost. Further alternatively, the other side of the filter cover 24 may be connected to the purification housing 21 by, but not limited to, a push-button switch assembly, so that the filter cover 24 may be conveniently opened and closed by being pushed, and the operation is convenient.
Optionally, the filter element 22 is retractably provided to the purge housing 21; it will be appreciated that removal, cleaning or replacement of the filter element 22 can be more conveniently performed by pulling. Optionally, a guide rail 216 extending toward the mounting opening 213 is provided in the purge housing 21, and the filter element 22 is fitted into the purge housing 21 along the guide rail 216; the guide rail 216 has good guiding and installing effects, and can facilitate the realization of the drawable disassembly and assembly of the filter element 22.
Referring to fig. 2 to 6, in an embodiment, the range hood body 1 further includes a fan cover 13 disposed in the decorative cover 11, the fume exhaust duct is at least partially defined by the fan cover 13, and the purification housing 21 is disposed on a front surface of the fan cover 13. In this embodiment, the purifying casing 21 is located on the front surface of the fan cover 13, so that the purifying casing 21 is located closer to the air outlet 112 on the decorative cover 11, thereby shortening the distance between the purifying casing 21 and the air outlet 112, facilitating the communication between the air outlet through-hole 212 on the purifying casing 21 and the air outlet 112, and making the wind speed of the purified air blown out from the air outlet 112 larger and the air supply farther. Optionally, the purifying shell 21 is detachably connected to the front surface of the fan housing 13, that is, the purifying shell 21 is attached to the fan housing 13 for installation, and compared with the technical scheme that the purifying shell 21 is attached to the decorative housing 11 for installation, the technical scheme can reduce the deformation probability of the decorative housing 11, and meanwhile, the detachable installation of the purifying shell 21 can facilitate the replacement of the internal devices thereof.
Optionally, the purifying fan 23 is a centrifugal fan, on one hand, the air volume of the centrifugal fan is larger, and the noise is smaller, so that the far-distance air supply can be realized under the low noise; on the other hand, the centrifugal fan has the function of changing the wind direction (axial air inlet and radial air outlet), and is beneficial to realizing the air inlet at two sides and the air outlet at the front.
Further, a centrifugal volute 214 for installing a centrifugal fan is arranged in the purifying housing 21, an air outlet side of the centrifugal volute 214 is downward and is bent forward, and an air guide section 215 is extended, and the air guide section 215 is extended to a position connected with the air outlet 112. It will be appreciated that the end of the air guiding section 215 remote from the centrifugal volute 214 is provided with the air outlet port 212. In this embodiment, by the arrangement of the air guiding section 215 that is bent and extended, the forward air supply can be realized under the condition that the axial direction of the centrifugal fan is vertical or nearly vertical to the fan cover 13, and at this time, the installation space of the centrifugal fan in the front-rear direction is smaller. It will be appreciated that if the radial direction of the centrifugal fan is perpendicular or nearly perpendicular to the fan housing 13, the installation space in the fore-and-aft direction required for the centrifugal fan is large because the diameter of the centrifugal fan is generally greater than or equal to the axial thickness of the centrifugal fan. Optionally, the centrifugal volute 214 includes a volute body and a volute cover that are spliced together to facilitate loading of the centrifugal fan into the centrifugal volute 214.
The invention also provides a control method of the range hood. Referring to fig. 10, fig. 10 is a flowchart illustrating a control method of a range hood according to a first embodiment of the present invention.
The control method of the range hood of the present embodiment adopts the range hood of each embodiment. The control method of the range hood comprises the following steps:
step S110, when the air purifying device is started, the device acquires working parameters of the main body of the smoke machine; and
and step S120, controlling the working state of the purifying fan based on the working parameters.
In this embodiment, when air purification device starts, obtain the operating parameter of cigarette machine main part through the controller to according to this operating parameter control purifying fan's operating condition, so that air purification device's operating condition and cigarette machine main part match, avoid appearing the condition such as cigarette machine main part cigarette leakage, improve the effect of cigarette machine main part fume exhaust. Specifically, the rotating speed of the purifying fan can be controlled, so that the air quantity of the air purifying device and the air speed at the air outlet are changed, the efficiency of the main smoke ventilator for exhausting the smoke is not affected when the air purifying device is in different circulation modes and blowing and air supplying modes, and the effect of the main smoke ventilator for exhausting the smoke is improved.
Optionally, in an embodiment, the working parameter includes air volume information of the main body of the smoke machine, and step S120 includes:
s101, controlling the working state of the purifying fan based on the air quantity information.
In this embodiment, the air volume information of the main body of the smoke machine may be the air volume information of the air inlet or the air volume information of the air outlet of the main body of the smoke machine, and after the air volume information is obtained, the working state of the purifying fan is controlled by the air volume information, for example, the rotating speed of the purifying fan is controlled to control the air volume of the air purifying device during starting, so that the air volume of the air purifying device and the air speed at the air outlet are changed, the working state of the air purifying device is matched with the main body of the smoke machine, the condition that smoke leaks from the main body of the smoke machine is avoided, and the effect of fume suction of the main body of the smoke machine is improved. Specifically, the air quantity information of the main body of the smoke machine can be detected through the air quantity sensor, or the corresponding air quantity information can be determined through the current gear information of the main body of the smoke machine.
Optionally, in another embodiment, the air volume information includes current gear information of the main body of the smoke machine, and S101 includes:
s102, controlling the working state of the purifying fan based on the current gear information.
In this embodiment, when air purification device starts, the controller acquires current gear information of cigarette machine main part, and based on current gear information control purifying fan's operating condition to according to current gear information accurate control purifying fan, thereby change air purification device's amount of wind and the wind speed of air outlet department, so that air purification device's amount of wind and wind speed of air outlet department and the operating condition looks adaptation of cigarette machine main part, avoid appearing the condition such as cigarette machine main part weeping, further improve the effect of cigarette machine main part range hood.
It can be understood that the corresponding relation between the gear information and the air volume information can be stored in advance, the air volume information corresponding to the current gear information is determined according to the corresponding relation, and the purifying fan is controlled according to the air volume information.
Optionally, in another embodiment, S102 includes:
s201, determining a target starting rotating speed of the purifying fan based on a mapping relation between preset gear information and rotating speed and the current gear information; and
s202, controlling the purifying fan based on the target starting rotating speed.
In this embodiment, the range hood may store a mapping relationship between preset gear information and rotation speed in advance, when the air purification device is started, obtain current gear information of the main body of the range hood and the mapping relationship, determine a target starting rotation speed of the purification fan corresponding to the mapping relationship according to the current gear information, and control the purification fan based on the target starting rotation speed, so as to improve accuracy of rotation speed control of the purification fan, thereby changing air volume of the air purification device and wind speed at the air outlet, so that the air volume of the air purification device and the wind speed at the air outlet are adapted to the working state of the main body of the range hood, and the efficiency of fume extraction of the main body of the range hood is not affected when the air purification device is in different circulation modes and blowing and air supplying modes, and further improve the fume extraction effect of the main body of the range hood.
According to the control method of the range hood, when the air purification device is started, the device acquires the working parameters of the main body of the range hood; and then, based on the working parameters, controlling the working state of the purifying fan so as to enable the working state of the air purifying device to be matched with the main body of the smoke machine, thereby changing the air quantity of the air purifying device and the air speed at the air outlet, realizing that the efficiency of the smoke exhaust of the main smoke machine is not affected when the air purifying device is in different circulation modes and blowing and air supplying modes, avoiding the conditions of smoke leakage of the main body of the smoke machine, and the like, and improving the effect of the smoke exhaust of the main body of the smoke machine.
The invention also provides a computer readable storage medium, wherein the computer readable storage medium is stored with a control program of the range hood, and the control program of the range hood realizes the steps of the control method of the range hood when being executed by a processor. Since the computer readable storage medium adopts all the technical solutions of all the embodiments, at least the beneficial effects brought by the technical solutions of the embodiments are provided, and will not be described in detail herein.
It should be noted that the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the embodiments, and when the technical solutions are contradictory or cannot be implemented, those skilled in the art should consider that the technical solutions are not combined, and are not within the scope of protection claimed by the present invention.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the present invention and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present invention.
Claims (11)
1. A range hood, comprising:
a tobacco machine main body; and
the air purifying device is provided with a purifying air duct, a filtering piece and a purifying fan, wherein the filtering piece and the purifying fan are arranged in the purifying air duct;
the outer surface of the cigarette machine main body is provided with an air inlet communicated with the purification air duct and an air outlet communicated with the purification air duct;
the controller is electrically connected with the cigarette machine main body and the air purifying device respectively;
the controller is used for controlling the working state of the purifying fan according to the working parameters of the smoke machine main body;
the working parameters comprise current gear information of the main body of the smoke machine, when the air purification device is started, the controller acquires the current gear information of the main body of the smoke machine, determines the target starting rotating speed of the purification fan based on the mapping relation between preset gear information and rotating speed and the current gear information, and controls the purification fan based on the target starting rotating speed;
If the current gear information is 0, the target starting rotation speed is V, and the air quantity of the air purifying device is X;
if the current gear information is a quick-fried gear, the target starting rotating speed is 4yV, and the air quantity of the air purifying device is 4yX;
wherein y ranges from 0.15 to 0.22, V is the highest rotating speed of the air purifying device, and X is the maximum air quantity of the air purifying device.
2. The range hood of claim 1, wherein,
if the current gear information is 1, the target starting rotation speed is yV, and the air quantity of the air purifying device is yX;
if the current gear information is 2, the target starting rotation speed is 2yV, and the air quantity of the air purifying device is 2yX;
if the current gear information is 3, the target starting rotation speed is 3yV, and the air quantity of the air purifying device is 3yX.
3. The range hood according to any one of claims 1 or 2, wherein the hood body comprises a decorative cover and a fume collecting hood arranged below the decorative cover, and a fume exhaust duct is arranged in the decorative cover.
4. The range hood of claim 3 wherein the purge air duct is disposed within the decorative cover and is not in communication with the range hood air duct.
5. The range hood of claim 3, wherein the air inlet is provided on a side of the decorative cover; or,
The air inlet is arranged at the upper part of the front surface of the decorative cover; or,
the air inlet is arranged at the top of the cigarette machine main body.
6. The range hood of claim 3, wherein the air outlet is provided in a front surface of the decorative cover; or,
the air outlet is arranged on the side surface of the decorative cover; or,
the air outlet is arranged on a top plate connected with the main body of the cigarette machine and the decorative cover; or,
the air outlet is arranged at the bottom of the fume collecting hood.
7. The range hood of claim 3, wherein the decorative cover is provided with a filter mounting opening through which the filter is detachably provided in the purge air duct.
8. The range hood of claim 7 wherein the air cleaning device further comprises a cleaning housing disposed within the decorative cover, the cleaning duct being at least partially defined by the cleaning housing, the cleaning housing having an air inlet port in communication with the air inlet port and an air outlet port in communication with the air outlet port;
the purifying shell is provided with an installation opening corresponding to the filter installation opening, and the filter is detachably connected with the purifying shell through the filter installation opening and the installation opening.
9. A control method of a range hood, which is applied to the range hood according to any one of claims 1 to 8, comprising the steps of:
when the air purification device is started, a controller acquires working parameters of the main body of the smoke machine, wherein the working parameters comprise air quantity information of the main body of the smoke machine, and the air quantity information comprises current gear information of the main body of the smoke machine; and
determining a target starting rotating speed of the purifying fan based on a mapping relation between preset gear information and rotating speed and the current gear information; and
controlling the purifying fan based on the target starting rotating speed;
if the current gear information is 0, the target starting rotation speed is V, and the air quantity of the air purifying device is X;
if the current gear information is a quick-fried gear, the target starting rotating speed is 4yV, and the air quantity of the air purifying device is 4yX;
wherein y ranges from 0.15 to 0.22, V is the highest rotating speed of the air purifying device, and X is the maximum air quantity of the air purifying device.
10. The method for controlling a range hood according to claim 9, wherein,
if the current gear information is 1, the target starting rotation speed is yV, and the air quantity of the air purifying device is yX;
If the current gear information is 2, the target starting rotation speed is 2yV, and the air quantity of the air purifying device is 2yX;
if the current gear information is 3, the target starting rotation speed is 3yV, and the air quantity of the air purifying device is 3yX.
11. A computer-readable storage medium, wherein a control program of a range hood is stored on the computer-readable storage medium, which when executed by a processor, implements the steps of the control method of a range hood according to any one of claims 9 to 10.
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| CN202011007270.7A CN114251691B (en) | 2020-09-22 | 2020-09-22 | Range hood, control method thereof and computer readable storage medium |
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