CN114353142B - Smoke collecting assembly, range hood and control method of smoke collecting assembly - Google Patents
Smoke collecting assembly, range hood and control method of smoke collecting assembly Download PDFInfo
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- CN114353142B CN114353142B CN202210012834.9A CN202210012834A CN114353142B CN 114353142 B CN114353142 B CN 114353142B CN 202210012834 A CN202210012834 A CN 202210012834A CN 114353142 B CN114353142 B CN 114353142B
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- 239000000779 smoke Substances 0.000 title claims abstract description 115
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001179 sorption measurement Methods 0.000 claims description 46
- 238000010411 cooking Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 8
- 230000003044 adaptive effect Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000003517 fume Substances 0.000 description 21
- 235000019504 cigarettes Nutrition 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000006233 lamp black Substances 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The invention relates to the technical field of kitchen appliances, and particularly discloses a smoke collecting assembly, a range hood and a control method of the smoke collecting assembly, wherein the smoke collecting assembly comprises a connecting plate, a smoke collecting hood and a baffle plate; the smoke collecting hood is fixed on the connecting plate, the smoke collecting hood and the connecting plate enclose a smoke collecting cavity, and the smoke collecting hood is provided with an air inlet communicated with the smoke collecting cavity; the baffle is located and is catchments the intracavity portion, and the range hood still includes magnetic force subassembly, and magnetic force subassembly can provide the magnetic force to the baffle and make the baffle suspend in the inside position of predetermineeing of catchmenting the chamber to distance between regulation baffle and the air intake. The device can realize lifting control of the baffle plate on the premise of canceling the bracket or the push rod motor, saves part of parts, ensures that the interior of the smoke collecting cavity is simpler, and is favorable for air flow distribution and oil smoke discharge.
Description
Technical Field
The invention relates to the technical field of kitchen appliances, in particular to a smoke collecting assembly, a range hood and a control method of the smoke collecting assembly.
Background
The smoke collecting component is usually fixed right above the cooking bench, the fan of the fan component rotates during operation, the smoke collecting cover is connected to the lower side of the shell through the connecting plate, negative pressure generated by the fan component is transmitted to the smoke collecting cover through the shell, and therefore oil smoke generated by the cooking pot on the cooking bench is sucked into the smoke collecting cover and discharged through the fan, and the aim of purifying indoor air is achieved.
In order to improve the smoking effect of lampblack absorber both sides, can set up the baffle in the air intake department of collection petticoat pipe for the oil smoke can flow to the fan subassembly through the gap between collection petticoat pipe and the baffle. According to the different oil smoke production, the distance between the baffle and the air inlet needs to be adjusted to achieve the best oil smoke emission effect. At present, a baffle is generally driven by adopting a push rod motor or a bracket and other modes, and structures such as the push rod motor or the bracket are arranged in a smoke collecting cavity enclosed by a smoke collecting cover and a connecting plate to block the flow of gas, so that the smooth discharge of oil smoke is not facilitated.
For this reason, a new baffle adjustment method is needed to solve the above problems.
Disclosure of Invention
The invention aims to provide a smoke collecting assembly, a range hood and a control method of the smoke collecting assembly, so as to solve the problem that the arrangement of a push rod motor or a bracket is unfavorable for smooth emission of oil smoke.
In order to achieve the above purpose, the invention adopts the following technical scheme:
In a first aspect, the present invention provides a smoke collection assembly comprising a connecting plate, a smoke collection hood and a baffle; the smoke collecting hood is fixed on the connecting plate, the smoke collecting hood and the connecting plate enclose a smoke collecting cavity, and the smoke collecting hood is provided with an air inlet communicated with the smoke collecting cavity; the baffle is arranged inside the smoke collecting cavity, the smoke collecting assembly further comprises a magnetic assembly, and the magnetic assembly can provide magnetic acting force for the baffle to enable the baffle to suspend in a preset position inside the smoke collecting cavity so as to adjust the distance between the baffle and the air inlet.
Preferably, the magnetic assembly comprises an upper magnetic assembly and a lower magnetic assembly, the upper magnetic assembly is arranged on the connecting plate, the lower magnetic assembly is arranged on the smoke collecting hood and is positioned on the periphery of the air inlet, the baffle is positioned between the upper magnetic assembly and the lower magnetic assembly, and the upper magnetic assembly and the lower magnetic assembly can both generate magnetic force on the baffle.
Preferably, the magnetic assembly further comprises an adsorption assembly, the adsorption assembly is arranged on the baffle, and the direction of the magnetic acting force of the upper magnetic assembly on the adsorption assembly is opposite to the direction of the magnetic acting force of the lower magnetic assembly on the adsorption assembly.
Preferably, the upper magnetic assembly is used for adsorbing the gravity center position of the baffle, and the lower magnetic assembly is used for adsorbing the circumferential position of the baffle.
Preferably, the adsorption assembly comprises a first permanent magnet and a second permanent magnet, the first permanent magnet is located in the middle of the baffle, the second permanent magnet is located in the circumferential direction of the baffle, the upper magnetic assembly is used for adsorbing the first permanent magnet, and the lower magnetic assembly is used for adsorbing the second permanent magnet.
Preferably, the upper magnetic assembly comprises a plurality of mutually independent upper magnetic members, and each upper magnetic member can adsorb the first permanent magnet; and/or
The lower magnetic assembly comprises a plurality of lower magnetic parts, the plurality of lower magnetic parts are mutually independent and are distributed in an annular parallel manner, and each lower magnetic part can adsorb the second permanent magnet.
Preferably, the magnetic assembly is an electromagnet, and the baffle plate can be far away from or close to the air inlet by adjusting the magnetic force of the electromagnet.
Preferably, the smoke collecting assembly further comprises a temperature sensor and a controller, and the controller is respectively in communication connection with the temperature sensor and the magnetic assembly; the controller can control the magnetic force of the magnetic force component according to the temperature signal of the temperature sensor; and/or
The smoke collecting assembly further comprises a distance sensor, the distance sensor is in communication connection with the controller, the distance sensor is used for measuring the distance between the baffle and the air inlet and feeding back a distance signal to the controller, and the controller can control the magnetic force of the magnetic assembly according to the distance signal.
In a second aspect, the invention provides a range hood, which comprises a shell, a fan assembly and the smoke collecting assembly, wherein a mounting cavity and a lower end opening communicated with the mounting cavity are arranged in the shell, the fan assembly is arranged in the mounting cavity, an air outlet is formed in the connecting plate, and the air outlet is communicated with the smoke collecting cavity and the lower end opening.
Preferably, the range hood further comprises a mesh cover detachably connected to the lower portion of the shell and covering the lower end opening.
In a third aspect, the present invention provides a control method of a smoke collecting assembly, applied to the above smoke collecting assembly, where the smoke collecting assembly includes a plurality of working modes, and the baffle plates suspend in different preset heights inside the smoke collecting cavity corresponding to different working modes, and the control method of the smoke collecting assembly includes the following steps:
S1: selecting a working mode of the smoke collecting assembly;
S2: comparing the difference value of the current height of the baffle plate and the preset height corresponding to the selected working mode;
S3: and (2) according to the comparison result of the step (S2), adjusting the magnetic force of the magnetic force assembly to enable the baffle to be lifted to a preset height from the current height.
Preferably, the working modes comprise a standby working mode, a weak gear working mode, a strong gear working mode and a cleaning working mode, wherein when the standby working mode is entered, the baffle is at an initial height L3 from the air inlet; when the weak gear working mode is entered, the baffle is at a first preset height L1 from the air inlet; when the high-speed working mode is entered, the baffle is at a second preset height L2 from the air inlet, and when the high-speed working mode is entered, the distance between the baffle and the air inlet is zero, wherein L2 is more than L3 and more than L1 is more than 0.
Preferably, the working mode further comprises an adaptive working mode, after entering the adaptive working mode, the temperature T of the cooking pot is detected, and one of the standby working mode, the weak gear working mode and the strong gear working mode is automatically selected to enter according to a detection result.
Preferably, after entering the self-adaptive working mode, when T is more than or equal to 200 ℃, selecting the strong gear working mode; when the temperature T is more than or equal to 50 ℃ and less than 200 ℃, selecting the weak gear working mode; t < 50 ℃, and keeping the standby working mode.
The beneficial effects of the invention are as follows:
The invention provides a smoke collecting assembly, a range hood and a control method of the smoke collecting assembly. Through the arrangement, the baffle can be controlled on the premise of canceling driving structures such as a bracket or a push rod motor, parts are saved, the inside of the smoke collecting cavity is simpler, and the distribution of air flow and the discharge of oil smoke are facilitated.
Drawings
Fig. 1 is a schematic front view of a range hood according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a left-view structure of a range hood according to an embodiment of the present invention;
Fig. 3 is a schematic structural view of a range hood according to an embodiment of the present invention, in which a baffle abuts against a fume collecting hood;
FIG. 4 is a schematic diagram of a magnetic assembly according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an upper magnetic assembly according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a lower magnetic assembly according to an embodiment of the present invention;
Fig. 7 is a flow chart of a control method of the smoke collecting assembly according to an embodiment of the invention.
In the figure:
100. a connecting plate; 200. a fume collecting hood; 300. a baffle; 400. a housing; 500. a fan assembly; 600. a cooking bench; 700. cooking pot; 800. a mesh enclosure;
1. A magnetic assembly; 11. an upper magnetic assembly; 111. a first upper magnetic member, 112, a second upper magnetic member; 113. a third upper magnetic member; 114. a fourth upper magnetic member; 115. a sleeve; 12. a lower magnetic assembly; 121. a first lower magnetic member; 122. a second lower magnetic member; 123. a third lower magnetic member; 124. a fourth lower magnetic member; 13. an adsorption assembly; 131. a first permanent magnet; 132. a second permanent magnet; 4. a temperature sensor; 5. a distance sensor.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. 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.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
As shown in fig. 1-3, the present embodiment provides a smoke collecting assembly comprising a connection plate 100, a smoke collecting hood 200, and a baffle 300; the fume collecting hood 200 is fixed on the connecting plate 100, the fume collecting hood 200 and the connecting plate 100 enclose a fume collecting cavity, the fume collecting hood 200 is provided with an air inlet communicated with the fume collecting cavity, and preferably, the fume collecting hood 200 comprises a top plate and side plates enclosing the periphery of the top plate, and the air inlet is arranged on the top plate. The baffle 300 is arranged in the smoke collecting cavity, the smoke collecting assembly further comprises a magnetic assembly 1, and the magnetic assembly 1 can provide magnetic acting force for the baffle 300 to enable the baffle 300 to be suspended at a preset position in the smoke collecting cavity so as to adjust the distance between the baffle 300 and the air inlet.
In this embodiment, through above-mentioned setting, can realize the lift control to baffle 300 under the prerequisite of canceling support or push rod motor, and then adjust the distance between baffle 300 and the air intake to satisfy different oil smoke environment, saved partial spare part, and make the collection cigarette intracavity portion succinct more, be favorable to the distribution of air current and the emission of oil smoke.
Referring to fig. 4, in this embodiment, optionally, the magnetic assembly 1 includes an upper magnetic assembly 11 and a lower magnetic assembly 12, the upper magnetic assembly 11 is disposed on the connecting plate 100, the lower magnetic assembly 12 is disposed on the fume collecting hood 200 and is located at the periphery of the air inlet, the baffle 300 is located between the upper magnetic assembly 11 and the lower magnetic assembly 12, the upper magnetic assembly 11 and the lower magnetic assembly 12 can both generate magnetic force on the baffle 300, and further the baffle 300 is driven to move relatively to the fume collecting hood 200, optionally, the baffle 300 is made of iron, stainless steel or other materials that can be adsorbed by magnetic force. With the above arrangement, control of the levitation position of the barrier 300 can be achieved. Preferably, the magnetic assembly 1 further includes an adsorption assembly 13, the adsorption assembly 13 is fixedly arranged on the baffle 300, and the direction of the magnetic acting force of the upper magnetic assembly 11 on the adsorption assembly 13 is opposite to the direction of the magnetic acting force of the lower magnetic assembly 12 on the adsorption assembly 13. Wherein the adsorption component 13 is a magnet. The adsorption assembly 13 can increase the magnetic force between the upper magnetic assembly 11 and the lower magnetic assembly 12 and the baffle 300, and the acting force between the upper magnetic assembly 11 and the lower magnetic assembly 12 and the magnet can be attractive force or repulsive force. Of course, the directions of the magnetic forces of the upper magnetic assembly 11 and the lower magnetic assembly 12 on the adsorption assembly 13 may be the same, and the directions of the magnetic forces are opposite to the directions of the gravity of the baffle 300. Of course, when the magnet is provided to the baffle 300, only one of the upper magnetic assembly 11 and the lower magnetic assembly 12 may be provided, and the force applied to the baffle 300 may be opposite to the gravity direction of the baffle 300.
In this embodiment, alternatively, the upper magnetic assembly 11 can generate an adsorption force to the adsorption assembly 13, the lower magnetic assembly 12 can generate an adsorption force to the adsorption assembly 13, and the baffle 300 is kept in a suspended state when the adsorption force of the upper magnetic assembly 11 is equal to the sum of the adsorption force of the lower magnetic assembly 12, the gravity of the baffle 300 and the gravity of the adsorption assembly 13.
In this embodiment, preferably, the upper magnetic assembly 11 has a columnar structure for adsorbing the center of gravity of the baffle 300, and the lower magnetic assembly 12 has a ring structure for adsorbing the circumferential position of the baffle 300. Through the above arrangement, stable control of the baffle 300 is realized, and the situation that the gravity center of the baffle 300 is unstable due to external disturbance and the baffle 300 is inclined is avoided.
In this embodiment, further, the adsorption assembly 13 includes a first permanent magnet 131 and a second permanent magnet 132, the first permanent magnet 131 is located in the middle of the baffle 300, the second permanent magnet 132 is located in the circumferential direction of the baffle 300, the upper magnetic assembly 11 is used for adsorbing the first permanent magnet 131, and the lower magnetic assembly 12 is used for adsorbing the second permanent magnet 132.
Regarding the magnetic pole directions of the first permanent magnet 131 and the second permanent magnet 132, in this embodiment, optionally, an end of the first permanent magnet 131 facing the upper magnetic assembly 11 is an S pole, an end of the second permanent magnet 132 facing the lower magnetic assembly 12 is an N pole, an end of the upper magnetic assembly 11 facing the first permanent magnet 131 is an N pole, and an end of the lower magnetic assembly 12 facing the second permanent magnet 132 is an S pole. Of course, the magnetic pole directions of the first permanent magnet 131 and the second permanent magnet 132 may also be opposite. The magnetic pole directions of the upper magnetic force assembly 11 and the lower magnetic force assembly 12 may be opposite to each other according to the magnetic pole directions of the first permanent magnet 131 and the second permanent magnet 132.
In order to achieve fine control of the upper magnetic assembly 11, in this embodiment, as shown in fig. 5, it is preferable that the upper magnetic assembly 11 includes a plurality of upper magnetic members independent of each other, each of which is capable of attracting the first permanent magnet 131. The setting of mutually independent upper magnetic force piece can realize carrying out independent control to every upper magnetic force piece, and then makes control accuracy higher. Preferably, the upper magnetic members are provided with four, namely, a first upper magnetic member 111, a second upper magnetic member 112, a third upper magnetic member 113 and a fourth upper magnetic member 114; the four upper magnetic members are arranged in two rows and two columns, and the two upper magnetic members which are opposite to each other are simultaneously opened or closed, i.e. the first upper magnetic member 111 and the third upper magnetic member 113 are a group of upper magnetic members which are simultaneously opened and closed, and the second upper magnetic member 112 and the fourth upper magnetic member 114 are a group of upper magnetic members which are simultaneously opened and closed, so as to achieve the effect of balanced adsorption. Preferably, the first and third upper magnetic members 111 and 113 generate an adsorption force greater than that of the second and fourth upper magnetic members 112 and 114. Further, the four upper magnetic members are constrained within the sleeve 115, and the sleeve 115 is secured to the web 100. Of course, the number and arrangement of the upper magnetic members may have other implementations, and is not limited thereto.
To achieve the control accuracy of the lower magnetic assembly 12, as shown in fig. 6, the lower magnetic assembly 12 includes a plurality of lower magnetic members, which are independent of each other and are arranged in a ring shape in parallel, and each of the lower magnetic members can absorb the second permanent magnet 132. Firstly, independent lower magnetic force spare can realize the individual control to every lower magnetic force spare, and then makes control accuracy higher, secondly, the structure of annular arrangement for the adsorption affinity that produces the second permanent magnet 132 on the baffle 300 can be in annular structure's optional position, and then can adjust the gradient of baffle 300, and then can also adapt to the structure of the collection cigarette chamber of different shapes when adapting to different volume of discharging fume. Alternatively, the baffle 300 has a quadrilateral structure, the lower magnetic members are provided with four, and the surrounding ring is also of a quadrilateral structure, and is respectively a first lower magnetic member 121, a second lower magnetic member 122, a third lower magnetic member 123 and a fourth lower magnetic member 124. The baffle 300 can be adjusted to rotate along a first axis by adjusting the first and third lower magnetic members 121 and 123 that are disposed opposite to each other, and the baffle 300 can be adjusted to rotate along a second axis by adjusting the second and fourth lower magnetic members 122 and 124 that are disposed opposite to each other, wherein the first and second axes are coplanar and perpendicular, and the second axis is oriented toward the user. Of course, the baffle 300 may also have a pentagonal or other polygonal structure, and the number of sides of the annular structure surrounded by the lower magnetic member is always the same as that of the baffle 300. Preferably, the baffle 300 is an octagonal structure, and the lower magnetic member is enclosed in an octagonal ring structure. This setting can adjust the inclination of baffle 300 through eight mutually independent lower magnetic members, can satisfy the different inclination user demands of baffle 300.
Further, the plurality of lower magnetic members may enclose a plurality of ring structures, so as to control the adsorption force generated by the lower magnetic assembly 12 with high precision, so that the height control of the baffle 300 is more sensitive.
To adjust the height of the baffle 300, in this embodiment, the magnetic assembly 1 is preferably an electromagnet, and adjusting the magnetic force of the electromagnet can raise or lower the baffle 300 in the smoke collecting cavity, so as to be away from or close to the air inlet.
Specifically, the upper magnetic force component 11 and the lower magnetic force component 12 are electromagnets, and the control of the lifting of the baffle 300 is realized by controlling the magnetic force of the electromagnets, so that the intelligent degree of the smoke collecting component is improved. The smoke collecting assembly further comprises a temperature sensor 4 and a controller, and the controller is in communication connection with the temperature sensor 4, the upper magnetic force assembly 11 and the lower magnetic force assembly 12; the temperature sensor 4 is fixed on the fume collecting hood 200, the temperature sensor 4 is used for testing the temperature of the cooking pot 700 on the cooking bench 600 below the fume collecting assembly, when the temperature of the cooking pot 700 is increased or decreased, the temperature sensor 4 sends a temperature signal to the controller, and the controller controls the magnetic force of the upper magnetic force assembly 11 and the lower magnetic force assembly 12 according to the temperature signal, so that the baffle 300 is adjusted to be increased or decreased.
Of course, in other embodiments, the upper magnetic assembly 11 and the lower magnetic assembly 12 may also be permanent magnets. In this embodiment, the magnitude of the magnetic force between the upper magnetic assembly 11 and the baffle 300 can be controlled by the distance therebetween. However, in the present embodiment, the upper magnetic assembly 11 and the lower magnetic assembly 12 are both preferably electromagnets in view of manufacturing cost and convenience of operation.
In use, when the controller controls the height of the barrier 300 according to a preset command, it is easily affected by wind pressure, resulting in an inability to accurately adjust the height position of the barrier 300. In this embodiment, the smoke collecting assembly preferably further comprises a distance sensor 5, the distance sensor 5 preferably being an infrared rangefinder. The distance sensor 5 is fixed on the connecting plate 100, and the distance sensor 5 is in communication connection with a controller for measuring the distance between the baffle 300 and the top plate of the smoke collecting cover 200 and feeding back a distance signal to the controller, and the controller can control the magnetic force of the magnetic force assembly 1 according to the distance signal. The distance sensor 5 is arranged, so that the distance between the baffle 300 and the fume collecting hood 200 can be collected and fed back in real time, and when the distance between the baffle 300 and the fume collecting hood 200 reaches a preset value in the adjusting process, the controller can timely send out an instruction to stop the lifting of the baffle 300, so that the baffle 300 is kept in a suspended state, and the adjusting accuracy of the baffle 300 is improved.
In order to meet the use environment that the range top 600 is provided with two range holes, in the embodiment, two baffle plates 300 and two magnetic force components 1 in the smoke collecting component are arranged, the smoke collecting cover 200 is provided with two air inlets, and the two air inlets are communicated with the smoke collecting cavity; the two baffles 300 can suspend in the smoke collecting cavity and can respectively seal the two air inlets, and the two magnetic force assemblies 1 are respectively used for adjusting the distance between the two baffles 300 and the air inlets. Of course, in other embodiments, a plurality of baffles 300 and magnetic assemblies 1 may be provided to satisfy the use environment of a plurality of holes on the cooking bench 600.
The embodiment also provides a range hood, the range hood includes shell, fan subassembly and foretell collection cigarette subassembly, and the shell is inside to be equipped with the installation cavity and with the lower extreme opening of installation cavity intercommunication, and the fan subassembly is fixed in shell 400 and is located the installation cavity for produce the negative pressure, connecting plate 100 is equipped with the air outlet, air outlet and collection cigarette cavity intercommunication, and with lower extreme opening intercommunication. The fan assembly 500 can suck and discharge the oil smoke generated from the cooking pot 700 on the hob 600.
The prior art mesh enclosure 800 is mounted to the fume collection hood 200 and is positioned within the fume collection cavity. Because the mesh enclosure 800 can cover the whole air inlet, the mesh enclosure 800 can only enter and exit the smoke collecting cavity after overturning and tilting, and the mesh enclosure 800 is difficult to install and detach. For this purpose, in this embodiment, optionally, the smoke collecting assembly further includes a mesh enclosure 800, where the mesh enclosure 800 is detachably connected to the lower portion of the housing 400 and covers the lower end opening, and the mesh enclosure 800 is used for filtering the smoke passing through the installation cavity. This setting makes the size of screen panel 800 can be less than the size of every air intake, and then makes the installation of screen panel 800 and dismantlement process comparatively convenient.
The embodiment also provides a control method of a smoke collecting assembly, the smoke collecting assembly comprises a plurality of working modes, the baffle 300 is suspended in different preset heights in the smoke collecting cavity corresponding to different working modes, and the control method of the smoke collecting assembly comprises the following steps:
S1: and selecting an operating mode of the smoke collecting assembly.
S2: the difference between the current height of the barrier 300 and the preset height corresponding to the selected operation mode is compared.
S3: according to the comparison result of step S2, the magnetic force of the magnetic assembly 1 is adjusted to make the baffle 300 rise and fall from the current height to the preset height.
Optionally, the operation modes include a standby operation mode, a weak gear operation mode, a strong gear operation mode, and a cleaning operation mode, wherein when the standby operation mode is entered, the baffle 300 is at an initial height L3 from the air inlet; when entering a weak gear working mode, the baffle 300 is at a first preset height L1 from the air inlet; when the strong gear working mode is entered, the baffle 300 is at a second preset height L2 from the air inlet, and when the strong gear working mode is entered, the distance between the baffle 300 and the air inlet is zero, wherein L2 is more than L3 and more than L1 is more than 0. Of course, in other embodiments, there may be more modes of operation, wherein the height of the baffle 300 is different in different modes of operation.
Preferably, the operation mode further includes an adaptive operation mode, after entering the adaptive operation mode, the temperature T of the cooking pot 700 is detected, and one of the standby operation mode, the weak gear operation mode and the strong gear operation mode is automatically selected according to the detection result. This arrangement enables automatic adjustment of the position of the baffle 300, improving the degree of automation of the fume collection assembly.
Optionally, after entering the self-adaptive working mode, when T is more than or equal to 200 ℃, selecting a strong gear working mode; when the temperature T is more than or equal to 50 ℃ and less than 200 ℃, selecting a weak gear working mode; t is less than 50 ℃, and the standby working mode is kept. In other implementations of the present embodiment, the setting of each temperature segment is adjusted according to the actual situation, which is not limited to this.
Referring to fig. 7, a specific operation flow of a method for controlling a smoke collecting assembly is provided. When in use, the adsorption force generated by the upper magnetic force component 11 is a, and the adsorption force generated by the lower magnetic force component 12 is b; the weight of the baffle 300 and the adsorbent assembly 13 is c. X is a working mode, and when X=1, the working mode is a weak gear working mode; when x=2, the working mode is a strong gear working mode; when x=3, the self-adaptive working mode is adopted; when x=4, the cleaning mode is the cleaning mode, and T is the temperature detected by the temperature sensor 4.
The using process of the cigarette machine comprises the following steps:
Step one, the controller receives a start-up instruction, the smoke collecting assembly enters a standby state, and the distance between the baffle 300 and the air inlet of the smoke collecting cover 200 is the initial height L3.
Step two, judging whether a working instruction X is received, if not, continuing to stand by, and if so, entering a working mode X1, 2, 3 or 4. When x=1, the weak gear working mode is entered, and the distance between the baffle 300 and the air inlet of the smoke collecting hood 200 is a first preset height L1. When x=2, the strong gear working mode is entered, and the distance between the baffle 300 and the air inlet of the smoke collecting hood 200 is the second preset height L2. When x=3, the self-adaptive working mode is entered, the distance between the baffle 300 and the fume collecting hood 200 is continuously switched between L1, L2 and L3 along with the change of temperature, and when x=4, the cleaning working mode is entered, and the distance between the baffle 300 and the fume collecting hood 200 is L4. Wherein L2 > L3 > L1 > l4=0.
The specific implementation mode is as follows: when x=1, the adsorption force a is unchanged, the adsorption force b is increased, a < b+c, the baffle 300 gradually descends, the distance sensor 5 determines that the distance is L1, the distance is fed back to the lower magnetic assembly 12, the adsorption force b stops increasing, the total force of the adsorption force a and the adsorption force b is equal to c by adjusting the adsorption force a and the adsorption force b, and the distance between the baffle 300 and the air inlet of the smoke collecting cover 200 is fixed at L1.
When x=2, the strong gear working mode is entered, at this time, the adsorption force a is enhanced, the adsorption force b is unchanged, a > b+c, the baffle 300 gradually rises, the distance sensor 5 determines that the distance is L2, the feedback is fed back to the upper magnetic assembly 11, the adsorption force a stops enhancing, the resultant force of the adsorption force a and the adsorption force b is equal to c through adjusting the both, and the distance between the baffle 300 and the air inlet of the smoke collecting hood 200 is fixed at L2. Preferably, 2L1 < L2 < 3L1.
When X=3, the self-adaptive working mode is entered, when T is more than or equal to 200 ℃, the self-adaptive working mode is entered into X=1 (strong gear working mode), when T is more than or equal to 50 ℃ and less than 200 ℃, the self-adaptive working mode is entered into X=2 (weak gear working mode), and when T is less than 50 ℃, the standby working mode is maintained. In the working process of the self-adaptive working mode, the temperature sensor 4 continuously and automatically judges the temperature, and the weak gear working mode, the strong gear working mode and the standby working mode are continuously repeated according to the change of the temperature.
When x=4, the cleaning mode is entered, and the adsorption force a and the adsorption force b are zero, so that the baffle 300 falls onto the fume collecting hood 200, and the user can take out the baffle 300 for cleaning.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (13)
1. A smoke collecting assembly comprises a connecting plate (100), a smoke collecting cover (200) and a baffle plate (300); the smoke collecting cover (200) is fixed on the connecting plate (100), the smoke collecting cover (200) and the connecting plate (100) enclose a smoke collecting cavity, and the smoke collecting cover (200) is provided with an air inlet communicated with the smoke collecting cavity; the smoke collecting device is characterized in that the baffle plate (300) is arranged in the smoke collecting cavity, the smoke collecting assembly further comprises a magnetic assembly (1), and the magnetic assembly (1) can provide magnetic acting force for the baffle plate (300) to enable the baffle plate (300) to suspend at a preset position in the smoke collecting cavity so as to adjust the distance between the baffle plate (300) and the air inlet;
the magnetic assembly (1) comprises an upper magnetic assembly (11) and a lower magnetic assembly (12), the upper magnetic assembly (11) is arranged on the connecting plate (100), the lower magnetic assembly (12) is arranged on the smoke collecting hood (200) and located on the periphery of the air inlet, the baffle (300) is located between the upper magnetic assembly (11) and the lower magnetic assembly (12), and the upper magnetic assembly (11) and the lower magnetic assembly (12) can both generate magnetic force on the baffle (300).
2. The smoke collecting assembly according to claim 1, wherein the magnetic assembly (1) further comprises an adsorption assembly (13), the adsorption assembly (13) is arranged on the baffle (300), and the direction of the magnetic acting force of the upper magnetic assembly (11) on the adsorption assembly (13) is opposite to the direction of the magnetic acting force of the lower magnetic assembly (12) on the adsorption assembly (13).
3. A smoke collecting assembly according to claim 2, wherein said upper magnetic assembly (11) is adapted to absorb the position of the centre of gravity of said baffle (300) and said lower magnetic assembly (12) is adapted to absorb the circumferential position of said baffle (300).
4. A smoke collecting assembly according to claim 3, wherein said adsorption assembly (13) comprises a first permanent magnet (131) and a second permanent magnet (132), said first permanent magnet (131) being located in the middle of said baffle (300), said second permanent magnet (132) being located in the circumferential direction of said baffle (300), said upper magnetic assembly (11) being adapted to adsorb said first permanent magnet (131), said lower magnetic assembly (12) being adapted to adsorb said second permanent magnet (132).
5. The smoke collecting assembly according to claim 4, wherein said upper magnetic assembly (11) comprises a plurality of mutually independent upper magnetic members, each of said upper magnetic members being capable of attracting said first permanent magnet (131); and/or
The lower magnetic assembly (12) comprises a plurality of lower magnetic members, the plurality of lower magnetic members are mutually independent and are annularly arranged in parallel, and each lower magnetic member can adsorb the second permanent magnet (132).
6. The smoke collecting assembly according to any one of claims 1-5, wherein said magnetic assembly (1) is an electromagnet, the magnetic force of which is adjusted to enable said baffle (300) to be located away from or close to said air inlet.
7. The smoke collecting assembly according to claim 6, further comprising a temperature sensor (4) and a controller in communication with the temperature sensor (4) and the magnetic assembly (1), respectively; the controller can control the magnetic force of the magnetic force component (1) according to the temperature signal of the temperature sensor (4); and/or
The smoke collecting assembly further comprises a distance sensor (5), the distance sensor (5) is in communication connection with the controller, the distance sensor (5) is used for measuring the distance between the baffle plate (300) and the air inlet and feeding back a distance signal to the controller, and the controller can control the magnetic force of the magnetic assembly (1) according to the distance signal.
8. A range hood, characterized by comprising a housing (500), a fan assembly (600) and the smoke collecting assembly according to any one of claims 1-7, wherein a mounting cavity and a lower end opening communicated with the mounting cavity are arranged in the housing (500), the fan assembly (600) is arranged in the mounting cavity, an air outlet is formed in the connecting plate (100), and the air outlet is communicated with the smoke collecting cavity and is communicated with the lower end opening.
9. The range hood of claim 8, further comprising a mesh enclosure (800), the mesh enclosure (800) being removably attached to a lower portion of the housing (500) and covering the lower end opening.
10. A control method of a smoke collecting assembly according to any one of claims 1-7, wherein the smoke collecting assembly comprises a plurality of operation modes, the baffle (300) is suspended at different preset heights inside the smoke collecting cavity corresponding to different operation modes, and the control method of the smoke collecting assembly comprises the following steps:
S1: selecting a working mode of the smoke collecting assembly;
s2: comparing the difference between the current height of the baffle (300) and the preset height corresponding to the selected working mode;
s3: and (2) adjusting the magnetic force of the magnetic force assembly (1) according to the comparison result of the step (S2) so that the baffle (300) is lifted from the current height to the preset height.
11. The method of claim 10, wherein the operation modes include a standby operation mode, a weak range operation mode, a strong range operation mode, and a cleaning operation mode, wherein the baffle (300) is at an initial height L3 from the air inlet when the standby operation mode is entered; when the weak gear working mode is entered, the baffle (300) is at a first preset height L1 from the air inlet; when the high-speed working mode is entered, the baffle (300) is at a second preset height L2 away from the air inlet, and when the high-speed working mode is entered, the distance between the baffle (300) and the air inlet is zero, wherein L2 is more than L3 and more than L1 is more than 0.
12. The method according to claim 11, wherein the operation mode further comprises an adaptive operation mode, wherein after entering the adaptive operation mode, a temperature T of the cooking pot (700) is detected, and one of the standby operation mode, the weak range operation mode, and the strong range operation mode is automatically selected to be entered according to the detection result.
13. The method of claim 12, wherein after entering the adaptive mode, selecting the high range mode when T is greater than or equal to 200 ℃; when the temperature T is more than or equal to 50 ℃ and less than 200 ℃, selecting the weak gear working mode; t < 50 ℃, and keeping the standby working mode.
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