CN112128827A - Range hood and control method thereof - Google Patents
Range hood and control method thereof Download PDFInfo
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- CN112128827A CN112128827A CN202011118888.0A CN202011118888A CN112128827A CN 112128827 A CN112128827 A CN 112128827A CN 202011118888 A CN202011118888 A CN 202011118888A CN 112128827 A CN112128827 A CN 112128827A
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- range hood
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- air curtain
- oil smoke
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention relates to a range hood and a control method thereof. The range hood includes: the range hood comprises a range hood body, an air curtain assembly and a smoke collecting assembly; the cigarette collecting component comprises: the smoke collecting body is arranged at an air outlet of the range hood main body, and the driving piece is used for driving the smoke collecting body to rotate; in the rotating process of the smoke collecting body, air sent out by an air curtain air guide pipe of the air curtain component penetrates out through the gaps among the blades. According to the range hood, air sent out by the air curtain air guide pipe of the air curtain component can penetrate out through the gap between the two adjacent blades of the smoke gathering component, so that the blades can form vertical hollow tubular rotary air flow with the air outlet of the air curtain air guide pipe in the rotating process, oil smoke is gathered to the minimum range, the oil smoke can be quickly absorbed from the smoke suction port of the range hood main body, and a more ideal oil smoke suction effect is achieved.
Description
Technical Field
The invention relates to the technical field of electric appliances, in particular to a range hood and a control method thereof.
Background
The range hood is usually installed above a cooking range in a kitchen and is mainly used for removing cooking oil smoke in the kitchen so as to create a living environment of a healthy and comfortable room. At present, the range hood on the market is generally the range hood that disposes the air curtain structure, but in the culinary art in-process, factors such as the volatilization of different oiliness and outside air current flow and kitchen high and low temperature all can influence the air current skew of the air curtain that the air curtain structure produced or can not concentrate and discharge fume, bring the diffusion adverse effect on the contrary.
Disclosure of Invention
Based on the above, the invention provides the range hood and the control method thereof, aiming at the problem that the existing range hood cannot effectively discharge smoke, so that the oil smoke can be gathered to the minimum range, the oil smoke can be quickly absorbed from the smoke suction port of the range hood main body, and a more ideal oil smoke suction effect can be achieved.
A range hood, comprising: the range hood comprises a range hood body, an air curtain assembly and a smoke collecting assembly;
the cigarette gathering component comprises: the range hood comprises a smoke collecting body arranged at an air outlet of a range hood main body and a driving piece used for driving the smoke collecting body to rotate, wherein the smoke collecting body is provided with a plurality of blades at intervals along the circumferential direction of the smoke collecting body;
and in the rotating process of the smoke collecting body, the air sent out by the air curtain air guide pipe of the air curtain component penetrates out through the gaps among the blades.
In one embodiment, the cigarette gathering body comprises: the cigarette collecting disc is rotatably connected with the driving piece;
the blade is connected between the cigarette collecting disc and the cigarette collecting ring.
In one embodiment, the blade is a flat plate structure or an arc-shaped plate structure.
In one embodiment, the driving part is a motor, an output shaft of the motor is connected with the smoke gathering body, and a shell of the motor is connected with the range hood main body.
In one embodiment, the air outlet of the air curtain air guide pipe is of a semi-arc structure.
In one embodiment, the air outlet of the air curtain air guide pipe inclines towards the central axis of the range hood main body.
In one embodiment thereof, the range hood further includes: the range hood comprises a sensor for detecting the concentration of oil smoke, wherein an electric controller of a range hood main body is electrically connected with the sensor and a fan of the range hood main body;
and the electric controller adjusts the air speed of a fan of the range hood main body according to the oil smoke concentration transmitted by the sensor.
In one embodiment thereof, the range hood further includes: the electric controller of the range hood main body is electrically connected with the sensor and the air curtain fan of the air curtain component;
and the electric controller adjusts the air supply quantity of the air curtain air guide pipe through the air curtain fan according to the oil smoke concentration transmitted by the sensor.
In one embodiment thereof, the range hood further includes: the sensor is used for detecting the concentration of oil smoke, and the electric controller of the range hood main body is electrically connected with the sensor and the driving piece;
and the electric controller adjusts the rotating speed of the cigarette gathering body through the driving piece according to the oil smoke concentration transmitted by the sensor.
In one embodiment, the sensor is arranged at a smoke suction port of the range hood main body.
According to the range hood, air sent out by the air curtain air guide pipe of the air curtain component can penetrate out through the gap between the two adjacent blades of the smoke gathering component, so that the impeller can form vertical hollow tubular rotary air flow with the air outlet of the air curtain air guide pipe in the rotating process, oil smoke is gathered to the minimum range, the oil smoke can be quickly absorbed from the smoke suction port of the range hood main body, and a more ideal oil smoke suction effect is achieved.
A control method of a range hood of any of the above, the control method comprising:
acquiring the oil smoke concentration, and adjusting the air speed of a fan of the range hood main body, the air supply quantity of an air curtain guide pipe of the air curtain component and the rotating speed of a smoke collecting body of the smoke collecting component according to the oil smoke concentration.
According to the control method of the range hood, the influences of factors such as the type of edible oil, the temperature of a cooker, the kitchen environment and the like are considered, the concentration of generated oil smoke is different, and the wind speed of the main frequency conversion fan, the wind speed of the air curtain fan and the rotating speed of the smoke gathering body can be controlled according to the size of the oil smoke, so that the effects of large smoke wind, minimum noise, high efficiency, energy conservation and optimal smoking effect are achieved.
Drawings
Fig. 1 is an exploded view of a range hood according to an embodiment of the present invention;
FIG. 2 is an enlarged partial schematic view of FIG. 1 at A;
fig. 3 is a partial sectional view of a range hood according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of a range hood provided in an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a sensor according to an embodiment of the present invention;
fig. 6 is a logic diagram of a control flow of the range hood according to an embodiment of the present invention.
Wherein the reference numerals in the drawings are as follows:
100. a range hood main body; 110. a housing; 111. an upper shell; 112. a base; 110a, a smoking port; 110b and an air outlet of the range hood main body; 120. a fan; 200. an air curtain assembly; 210. an air curtain air guide pipe; 220. an air curtain fan; 300. a cigarette gathering component; 310. gathering the cigarette body; 311. a cigarette collecting disc; 312. a cigarette collecting ring; 320. a drive member; 330. a blade; 400. a sensor; 410. detecting a probe; 420. a GPRS concentrator.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1, fig. 1 shows a schematic structural diagram of a range hood in an embodiment of the present invention, and the range hood provided in the embodiment of the present invention includes: a range hood body 100 (see fig. 3), an air curtain assembly 200, and a smoke collection assembly 300; referring to fig. 2, the cigarette gathering assembly 300 includes: the range hood comprises a smoke collecting body 310 arranged at an air outlet 110b of the range hood main body 100 and a driving piece 320 for driving the smoke collecting body 310 to rotate, wherein the smoke collecting body 310 is provided with a plurality of blades 330 at intervals along the circumferential direction of the smoke collecting body 310; in the process of rotating the smoke collecting body 310, the wind sent out by the wind curtain guiding duct 210 of the wind curtain assembly 200 passes through the gap between the two blades 330. When the smoke collecting body 310 rotates, the air blown out from the air curtain duct 210 passes through the gap between the blades 330 below the air outlet of the air curtain duct.
As an example, as shown in fig. 3, the range hood main body 100 includes: a fan 120, a housing 110 and a master controller; the fan 120 includes: the volute, the volute tongue, and the motor and the impeller which are arranged on the volute; referring to fig. 1, the housing 110 includes an upper casing 111 for fixing the range hood and a base 112 connected to the upper casing 111, wherein the bottom wall of the base 112 has an air outlet 110b and a smoke suction port 110a located right below the air outlet of the volute, and an operation button (e.g., a fan switch button, an air volume adjusting button, etc.) is disposed on a side wall of the base 112, and when the main controller detects a pressing operation of the operation button according to the operation, the main controller correspondingly adjusts a working mode (e.g., a motor on mode, a motor off mode, a large air volume mode, a medium air volume mode, a small air volume mode) of a fan 120 of the range hood body. The base 112 may have a rectangular cross section as shown in fig. 1, or may have a cross section in a shape of a combination of a straight line and an arc line. The smoking port 110a may have an inverted cone shape protruding outward from the base 112, or may have a combination of a plurality of smoking holes formed in the bottom of the base 112 as shown in fig. 1. It should be noted that, for convenience of describing the structure of the range hood, the range hood shown in fig. 1 does not show the curtain assembly 200, the smoke collection assembly 300 located at the right side smoke suction port 110 a.
As an example, as shown in fig. 2, the air curtain assembly 200 includes: an air curtain guide duct 210 disposed at the air outlet 110b of the outer shell of the range hood body 100, and an air curtain fan for supplying air to the air curtain guide duct 210, wherein the air curtain fan 320 may be mounted on the base 112 of the outer shell 110 by means of screws or welding. Wherein, the air curtain assembly 200 is respectively disposed on two sides of the smoke suction opening 110a of the base 112, so as to effectively block the oil smoke in all directions and prevent the oil smoke from diffusing around. Then, correspondingly, the number of the smoke gathering components 300 is also 2, and each smoke gathering component 300 corresponds to one air curtain component 200.
As mentioned above, the air from the air curtain guiding pipe 210 of the air curtain assembly 200 can pass through the gap between two adjacent blades 330 of the smoke collecting assembly 300, so that the blades 330 can form a vertical hollow tubular rotating airflow with the air from the air curtain guiding pipe 210 in the rotating process, and further collect the oil smoke to the minimum range, so as to be absorbed from the smoke suction port of the range hood main body 100 quickly, thereby achieving a more ideal oil smoke suction effect.
In some embodiments of the present invention, as shown in fig. 2, the cigarette gathering body 310 comprises: the cigarette collecting disc 311 and the cigarette collecting ring 312 are arranged around the cigarette collecting disc 311, and the cigarette collecting disc 311 is rotatably connected with the driving part 320; the blade 330 is connected between the cigarette collecting disc 311 and the cigarette collecting ring 312. Therefore, most of the air outlet of the air curtain air guide pipe 210 can pass through the gap between the two adjacent blades 330, so that the air outlet is prevented from diffusing around, and the oil smoke can be effectively gathered. The blade 330 may be connected between the cigarette collecting tray 311 and the cigarette collecting ring 312 by welding or integrally forming. Of course, in other embodiments, the cigarette collecting body 310 may also only include the cigarette collecting tray 311 rotatably connected to the driving member 320, and one side wall of the blade 330 is connected to a side wall of the cigarette collecting tray 311.
In some embodiments of the invention, the vanes 330 are flat plate structures or arc plate structures as shown in FIG. 2. It should be noted that the blades 330 having the flat plate structure and the blades 330 having the arc-shaped plate structure are both inclined with respect to the vertical direction. Wherein, the blades 330 are uniformly distributed along the circumferential direction of the cigarette gathering body 310. With respect to the number of the vanes 330, the embodiment of the present invention is not particularly limited, for example, 76 vanes are provided on the cigarette gathering body 310 shown in fig. 2.
In some embodiments of the present invention, as shown in fig. 2, the driving member 320 is a motor, an output shaft of the motor is connected to the smoke collecting body 310, and a housing of the motor is connected to the range hood main body 100. The driving member 320 of this type of structure is simple in structure.
Regarding the connection mode between the output shaft of the motor and the cigarette gathering body 310, two modes are provided in the embodiment of the invention, in the (1) mode, two first limiting planes which are distributed oppositely are arranged at the first end, far away from the shell of the motor, of the output shaft of the motor; the cigarette gathering body 310 is provided with a mounting hole, two second limiting planes which are distributed oppositely are arranged in the mounting hole, the cigarette gathering body 310 is sleeved on the first end of the output shaft of the motor through the mounting hole, and the first limiting plane and the corresponding second limiting plane are matched to limit the cigarette gathering body 310 in the circumferential direction; the first end of the output shaft of the motor is also provided with a limit nut used for limiting the axial direction of the cigarette gathering body 310. In the (2) th mode, the cigarette gathering body 310 is sleeved on the output shaft of the motor in an interference fit mode. It can be understood that the cigarette gathering body 310 is provided with an interference mounting hole. For example, if the cross section of the output shaft of the motor is circular, the interference mounting hole is a round hole with a smaller aperture than the diameter of the cross section of the output shaft of the motor.
Optionally, an ear plate is disposed on the housing of the motor, and the ear plate is mounted on the top wall of the housing base of the range hood main body 100 by screws. The number of the ear plates can be multiple, and the ear plates are uniformly distributed along the circumferential direction of the shell of the motor. The ear plate can be arranged on the shell of the motor in a welding or integrated forming mode.
Of course, in other embodiments of the present invention, the driving member 320 may include: the device comprises a cylinder and a connecting rod mechanism connected with the cylinder; the link mechanism is connected with the cigarette collecting body 310. Wherein, when in application, the air cylinder can be replaced by the hydraulic cylinder. It will be appreciated that the linkage may convert linear travel to circular travel.
In some embodiments of the present invention, as shown in fig. 4, the air outlet of the air curtain duct 210 has a semi-arc structure. The air outlet of this kind of structure can the maximum extent stop the oil smoke of pan outwards diffusion. Preferably, the inner diameter of the outlet of the air curtain guiding duct 210 is the same as the inner diameter of the blade 330, and the outer diameter of the outlet of the air curtain guiding duct 210 is the same as the outer diameter of the blade 330.
Optionally, the air curtain air guide pipe 210 is made of high temperature resistant plastic and is hermetically connected with the range hood main body 100, so that air outlet of the air curtain air guide pipe 210 is prevented from flowing randomly, and the utilization rate of the air curtain air guide pipe 210 is improved. The air curtain guide duct 210 may be mounted on the base 112 of the range hood main body 100 by using a sealant, or a sealing member (e.g., a rubber pad) is disposed between the air curtain guide duct 210 and the base 112 of the range hood main body 100.
In some embodiments of the present invention, the air outlet 110b of the air curtain duct 210 is inclined toward the central axis of the range hood body 100. Therefore, the protective pot in the largest range can not emit smoke outwards.
In some embodiments of the present invention, as shown in fig. 1, the range hood further includes: a sensor 400 for detecting the concentration of the oil smoke, wherein the sensor 400 is electrically connected with an electric controller of the range hood main body 100; the electric controller is electrically connected with the fan 120 of the range hood main body 100, the air curtain fan 220 of the air curtain assembly 200 and the driving piece 320 of the smoke collecting assembly 300; the electric controller adjusts the air speed of the fan 120 of the range hood main body 100, adjusts the air output of the air curtain air guide pipe 210 through the air curtain fan 220, and adjusts the rotating speed of the smoke collecting body 310 through the driving part 320 according to the oil smoke concentration transmitted by the sensor 400. The wind speed of the fan 120 of the range hood main body 100, the air output of the air curtain air guide pipe 210 and the rotating speed of the smoke collecting body 310 can be automatically adjusted according to the concentration of the oil smoke, the oil smoke in a kitchen can be flexibly controlled under different environments, the oil smoke is prevented from diffusing and being collected inwards, and the energy-saving effect can be achieved.
As an example, the sensor 400 is installed at a smoke suction port of the range hood body 100, and can accurately detect the concentration of smoke. As shown in fig. 6, when the range hood is started, the variable frequency main motor inside the volute drives the centrifugal impeller to operate; when cooking the generated oil smoke, the oil smoke firstly passes through the smoke inlet 110a on the range hood main body 100, then the detection probe 410 on the sensor 400 detects the concentration of the oil smoke, and simultaneously the signal source is transmitted to the main controller of the range hood main body 100, and the main controller respectively controls the change of the air volume of the fan 120, the change of the air volume of the air curtain air guide pipe 210 and the change of the rotating speed of the smoke collecting body 310 of the range hood main body 100.
Optionally, as shown in fig. 5, the sensor 400 includes a detection probe 410 and a GPRS concentrator 420; the length of the detection probe 410 is 160mm, the diameter of the detection probe is 14mm, and a square notch with the length of 32mm is arranged at the front end of the detection probe 410 and is used for sensing the concentration of oil smoke; a connecting wire adapter with the height of 16mm is arranged at the bottom end of the detection probe 410, the adapter is connected with the GPRS concentrator 420 through an electric wire, the GPRS concentrator 420 is also connected with the main controller through an electric wire, and the GPRS concentrator 420 and the main controller form a series circuit; the detection probe 410 is made of stainless steel, has the functions of moisture resistance, temperature resistance and moisture resistance, can work in an oil fume environment of 800 ℃ for a long time, and has the measurement accuracy of +/-8% FS +/-0.5 mg/m3The measuring range of the oil smoke can reach 0mg/m3-20mg/m3And the effects of long-term cleaning-free and maintenance-free can be achieved.
In summary, in view of the situation that oil smoke is not well absorbed by a range hood on the market, especially in the instant of oil-water contact at a high temperature of a cookware, the oil smoke is most easily diffused, and the range hood cannot effectively absorb the oil smoke only by a single smoke absorption opening, for this reason, the range hood provided by the embodiment of the invention adopts the self-rotation force of the smoke collection body 310 to collect the oil smoke to the minimum range, and adopts the arc-shaped air outlet of the air curtain air guide pipe 210 of the air curtain component 200 to prevent the oil smoke from diffusing to the maximum range. Meanwhile, because the types of edible oil, the temperature of a cooker, the kitchen environment and other factors influence the generated oil smoke concentration, the oil smoke concentration is different, so that the sensor 400 is added to detect the size of the oil smoke, and the wind speed of the main variable frequency fan 120, the wind speed of the air curtain fan 220 and the rotating speed of the smoke gathering body 310 can be controlled according to the size of the oil smoke, so that the effects of large smoke, large wind, minimum noise, high efficiency, energy conservation and optimal smoking effect are achieved.
Another embodiment of the present invention provides a control method of a range hood, including:
acquiring the oil smoke concentration, and adjusting the air speed of the fan 120 of the range hood main body 100, the air output of the air curtain air guide pipe 210 of the air curtain assembly 200 and the rotating speed of the smoke collecting body 310 of the smoke collecting assembly 300 according to the oil smoke concentration.
According to the control method of the range hood, the influences of the edible oil type, the temperature of the cooker, the kitchen environment and other factors are considered, the concentration of the generated oil smoke is different, and the wind speed of the main variable frequency fan 120, the wind speed of the air curtain fan 220 and the rotating speed of the smoke collecting body 310 can be controlled according to the size of the oil smoke, so that the effects of large smoke, large wind, minimum noise, high efficiency, energy conservation and optimal smoking effect are achieved.
As an example, the sensor 400 may be used to detect the oil smoke concentration, and transmit the oil smoke concentration to the electric controller of the range hood main body 100, and the electric controller respectively adjusts the air speed of the fan 120 of the range hood main body 100, the air output of the air curtain air guide pipe through the air curtain fan 220, and the rotation speed of the smoke collection body 310 through the driving member 320 according to the oil smoke concentration. The electric controller of the range hood main body 100 is electrically connected to the sensor 400, the driving member 320, the air curtain fan 220 and the fan 120 of the range hood main body 100, respectively.
As an example, the sensor 400 is installed at a smoke suction port of the range hood body 100, and can accurately detect the concentration of smoke. As shown in fig. 6, when the range hood is started, the variable frequency main motor inside the volute drives the centrifugal impeller to operate; when cooking the generated oil smoke, the oil smoke firstly passes through the smoke inlet on the range hood main body 100, then the detection probe 410 on the sensor 400 detects the concentration of the oil smoke, and simultaneously the signal source is transmitted to the main controller of the range hood main body 100, and the main controller respectively controls the change of the air volume of the fan 120, the air volume of the air curtain air guide pipe and the rotation speed change of the smoke collecting body 310 of the range hood main body 100.
Optionally, as shown in fig. 5, the sensor 400 includes a detection probe 410 and a GPRS concentrator 420; the length of the detection probe 410 is 160mm, the diameter of the detection probe is 14mm, and a square notch with the length of 32mm is arranged at the front end of the detection probe 410 and is used for sensing the concentration of oil smoke; a connecting wire adapter with the height of 16mm is arranged at the bottom end of the detection probe 410, the adapter is connected with the GPRS concentrator 420 through an electric wire, the GPRS concentrator 420 is also connected with the main controller through an electric wire, and the GPRS concentrator 420 and the main controller form a series circuit; the detection probe 410 is made of stainless steel, has the functions of moisture resistance, temperature resistance and moisture resistance, can work in 800C oil smoke environment for a long time, and has the measurement accuracy of +/-8% FS +/-0.5 mg/m3The measuring range of the oil smoke can reach 0mg/m3-20mg/m3And the effects of long-term cleaning-free and maintenance-free can be achieved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (11)
1. A range hood, comprising: the range hood comprises a range hood body (100), an air curtain assembly (200) and a smoke collecting assembly (300);
the cigarette gathering assembly (300) comprises: the range hood comprises a smoke gathering body (310) arranged at an air outlet (110b) of the range hood main body (100) and a driving piece (320) used for driving the smoke gathering body (310) to rotate, wherein a plurality of blades (330) are arranged on the smoke gathering body (310) at intervals along the circumferential direction of the smoke gathering body;
in the rotating process of the smoke collecting body (310), the air sent out by the air curtain air guide pipe (210) of the air curtain component (200) penetrates out through the gaps among the blades (330).
2. The range hood according to claim 1, characterized in that the smoke gathering body (310) comprises: the cigarette collecting device comprises a cigarette collecting disc (311) and a cigarette collecting ring (312) arranged around the cigarette collecting disc (311), wherein the cigarette collecting disc (311) is rotatably connected with a driving piece (320);
the blade (330) is connected between the cigarette collecting disc (311) and the cigarette collecting ring (312).
3. A hood according to claim 1, characterized in that said blades (330) are of flat plate or arc-shaped plate structure.
4. The range hood according to claim 1, wherein the driving member (320) is a motor, an output shaft of the motor is connected with the smoke gathering body (310), and a housing of the motor is connected with the range hood main body (100).
5. The range hood according to claim 1, wherein an air outlet of the air curtain air guide pipe (210) is of a semi-arc structure.
6. The range hood according to claim 1, wherein an air outlet of the air curtain duct (210) is inclined toward a central axis of the range hood body (100).
7. The range hood according to claim 1, further comprising: the range hood comprises a sensor (400) for detecting the concentration of oil smoke, wherein an electric controller of the range hood main body (100) is electrically connected with the sensor (400) and a fan (120) of the range hood main body (100);
and the electric controller adjusts the wind speed of a fan (120) of the range hood main body (100) according to the oil smoke concentration transmitted by the sensor (400).
8. The range hood according to claim 1, further comprising: the range hood comprises a sensor (400) for detecting the concentration of oil smoke, wherein an electric controller of the range hood body (100) is electrically connected with the sensor (400) and an air curtain fan (220) of an air curtain assembly (200);
and the electric controller adjusts the air supply quantity of the air curtain air guide pipe (210) through the air curtain fan (220) according to the oil smoke concentration transmitted by the sensor (400).
9. The range hood according to claim 1, further comprising: the sensor (400) is used for detecting the concentration of oil smoke, and an electric controller of the range hood main body (100) is electrically connected with the sensor (400) and the driving piece (320);
the electric controller adjusts the rotating speed of the cigarette collecting body (310) through the driving piece (320) according to the concentration of the oil smoke transmitted by the sensor (400).
10. A range hood according to any of claims 7-9, characterized in that the sensor (400) is arranged at the smoke suction opening (110a) of the range hood body (100).
11. A control method of a range hood according to any one of claims 1 to 10, characterized by comprising:
acquiring the concentration of oil smoke, and adjusting the wind speed of a fan (120) of the range hood main body (100), the air supply quantity of an air curtain guide pipe (210) of an air curtain component (200) and the rotating speed of a smoke collecting body (310) of the smoke collecting component (300) according to the concentration of the oil smoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011118888.0A CN112128827A (en) | 2020-10-19 | 2020-10-19 | Range hood and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011118888.0A CN112128827A (en) | 2020-10-19 | 2020-10-19 | Range hood and control method thereof |
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| CN112128827A true CN112128827A (en) | 2020-12-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115628528A (en) * | 2022-11-04 | 2023-01-20 | 珠海格力电器股份有限公司 | Air supply control method and device for kitchen air conditioning system and kitchen air conditioning system |
-
2020
- 2020-10-19 CN CN202011118888.0A patent/CN112128827A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115628528A (en) * | 2022-11-04 | 2023-01-20 | 珠海格力电器股份有限公司 | Air supply control method and device for kitchen air conditioning system and kitchen air conditioning system |
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