CN114353142A

CN114353142A - Smoke collection assembly, range hood and control method of smoke collection assembly

Info

Publication number: CN114353142A
Application number: CN202210012834.9A
Authority: CN
Inventors: 任富佳; 吕立丰; 吕春明; 郁明跃; 余国成
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-04-15
Anticipated expiration: 2042-01-07
Also published as: CN114353142B

Abstract

The invention relates to the technical field of kitchen appliances, and particularly discloses a smoke collection assembly, a range hood and a control method of the smoke collection assembly, wherein the smoke collection assembly comprises a connecting plate, a smoke collection cover and a baffle plate; the smoke collecting cover is fixed on the connecting plate, the smoke collecting cover and the connecting plate enclose a smoke collecting cavity, and the smoke collecting cover is provided with an air inlet communicated with the smoke collecting cavity; the baffle is arranged in the smoke collection cavity, and the range hood further comprises a magnetic assembly which can provide magnetic acting force for the baffle to enable the baffle to suspend in a preset position in the smoke collection cavity so as to adjust the distance between the baffle and the air inlet. Above-mentioned setting can realize having saved partial spare part to the lift control of baffle under the prerequisite of cancellation support or push rod motor, and makes collection smoke chamber inside more succinct, is favorable to the distribution of air current and the emission of oil smoke.

Description

Smoke collection assembly, range hood and control method of smoke collection assembly

Technical Field

The invention relates to the technical field of kitchen appliances, in particular to a smoke collection assembly, a range hood and a control method of the smoke collection assembly.

Background

The smoke collecting assembly is usually fixed right above a cooking bench, a fan of the fan assembly rotates during operation, the smoke collecting hood is connected below the shell through a connecting plate, and negative pressure generated by the fan assembly is transmitted to the smoke collecting hood through the shell, so that oil smoke generated by a cooking pot on the cooking bench is sucked into the smoke collecting hood and is discharged through the fan, and the purpose of purifying indoor air is achieved.

For improving the smoking effect of the both sides of the range hood, a baffle plate is arranged at the air inlet of the smoke collecting cover, so that the oil smoke can flow to the fan assembly through the gap between the smoke collecting cover and the baffle plate. According to the difference of the oil smoke production, the distance between the baffle and the air inlet needs to be adjusted to achieve the best oil smoke discharge effect. At present, the baffle is generally driven by adopting a push rod motor or a bracket and other modes, and the push rod motor or the bracket and other structures block the flowing of gas in a smoke collecting cavity enclosed by a smoke collecting cover and a connecting plate, so that the smooth emission of oil smoke is not facilitated.

Therefore, it is necessary to design a new damper adjustment method to solve the above problems.

Disclosure of Invention

The invention aims to provide a smoke collection assembly, a range hood and a control method of the smoke collection assembly, and aims to solve the problem that the arrangement of a push rod motor or a support is not favorable for smooth discharge of oil smoke.

In order to achieve the purpose, the invention adopts the following technical scheme:

in a first aspect, the present invention provides a fume collecting assembly comprising a connecting plate, a fume collecting hood and a baffle; the smoke collecting cover is fixed on the connecting plate, the smoke collecting cover and the connecting plate enclose a smoke collecting cavity, and the smoke collecting cover is provided with an air inlet communicated with the smoke collecting cavity; the baffle is located inside the collection smoke chamber, the collection smoke subassembly still includes magnetic force component, magnetic force component can be right the baffle provides magnetic force and makes the baffle suspend in collection smoke chamber inside predetermined position, in order to adjust the baffle with distance between the air intake.

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 located at the periphery of the air inlet, the baffle is located 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 force of the adsorption assembly by the upper magnetic assembly is opposite to that of the magnetic force of the adsorption assembly by the lower magnetic 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 component 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 component is used for adsorbing the first permanent magnet, and the lower magnetic component is used for adsorbing the second permanent magnet.

Preferably, the upper magnetic assembly comprises a plurality of upper magnetic members independent of each other, and each upper magnetic member can adsorb the first permanent magnet; and/or

The lower magnetic assembly comprises a plurality of lower magnetic pieces which are mutually independent and arranged in an annular parallel mode, and each lower magnetic piece can adsorb the second permanent magnet.

Preferably, the magnetic assembly is an electromagnet, and the baffle can be far away from or close to the air inlet by adjusting the magnetic force of the electromagnet.

Preferably, the smoke collection assembly further comprises a temperature sensor and a controller, and the controller is in communication connection with the temperature sensor and the magnetic assembly respectively; the controller can control the magnetic force of the magnetic assembly according to the temperature signal of the temperature sensor; and/or

The smoke collection 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 any one of the above smoke collection assemblies, wherein an installation cavity and a lower end opening communicated with the installation cavity are arranged in the shell, the fan assembly is arranged in the installation cavity, the connecting plate is provided with an air outlet, and the air outlet is communicated with the smoke collection cavity and the lower end opening.

Preferably, the range hood further comprises a mesh enclosure, wherein the mesh enclosure is detachably connected to the lower portion of the shell and covers the lower end opening.

In a third aspect, the present invention provides a method for controlling a smoke collection assembly, which is applied to the smoke collection assembly, wherein the smoke collection assembly includes a plurality of working modes, the baffle floats at different preset heights inside the smoke collection cavity corresponding to different working modes, and the method for controlling the smoke collection assembly includes the following steps:

s1: selecting a working mode of the smoke collection assembly;

s2: comparing the difference value between the current height of the baffle and the preset height corresponding to the selected working mode;

s3: and according to the comparison result of the step S2, adjusting the magnetic force of the magnetic assembly to enable the baffle plate to be lifted from the current height to the preset height.

Preferably, the working modes include 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; and when the strong gear working mode is entered, the baffle is away from the second preset height L2 of the air inlet, and when the strong gear 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 modes further include a self-adaptive working mode, after the self-adaptive working mode is entered, 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 be entered according to a detection result.

Preferably, after the self-adaptive working mode is entered, when T is more than or equal to 200 ℃, the strong gear working mode is selected; when T is more than or equal to 50 ℃ and less than 200 ℃, selecting the weak gear working mode; t is less than 50 ℃, and the standby working mode is kept.

The invention has the beneficial effects that:

the invention provides a smoke collection assembly, a range hood and a control method of the smoke collection assembly. Through the arrangement, the baffle can be controlled on the premise of canceling driving structures such as a support or a push rod motor, partial parts are saved, the inside of the smoke collection cavity is simpler, and the distribution of air flow and the emission 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 left side view of the range hood according to the embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a range hood according to an embodiment of the present invention, wherein a baffle abuts against a smoke collecting hood;

FIG. 4 is a schematic structural diagram of a magnetic assembly according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an upper magnetic assembly according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a lower magnetic assembly according to an embodiment of the present invention;

fig. 7 is a flowchart illustrating a method for controlling the smoke collecting assembly according to an embodiment of the present invention.

In the figure:

100. a connecting plate; 200. a smoke collecting hood; 300. a baffle plate; 400. a housing; 500. a fan assembly; 600. a cooking bench; 700. a 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 component; 131. a first permanent magnet; 132. a second permanent magnet; 4. a temperature sensor; 5. a distance sensor.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

As shown in fig. 1 to 3, the present embodiment provides a smoke collection assembly including a connection plate 100, a smoke collection hood 200, and a baffle 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, the smoke collecting cover 200 is provided with an air inlet communicated with the smoke collecting cavity, preferably, the smoke collecting cover 200 comprises a top plate and side plates arranged around the top plate, and the air inlet is arranged on the top plate. Baffle 300 is located collection smoke intracavity portion, and collection smoke subassembly still includes magnetic force component 1, and magnetic force component 1 can provide magnetic force to baffle 300 and make baffle 300 suspend in the inside predetermined position in collection smoke intracavity to adjust the distance between baffle 300 and the air intake.

In this embodiment, through above-mentioned setting, can realize the lift control to baffle 300 under the prerequisite of cancellation support or push rod motor, and then the distance between adjustment baffle 300 and the air intake to satisfy different oil smoke environments, saved partial spare part, and make collection smoke chamber inside more succinct, be favorable to the distribution of air current and the emission of oil smoke.

Referring to fig. 4, regarding the structure of the magnetic assembly 1, 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 smoke collection hood 200 and located at the periphery of the air intake, the baffle 300 is located between the upper magnetic assembly 11 and the lower magnetic assembly 12, both the upper magnetic assembly 11 and the lower magnetic assembly 12 can generate magnetic force on the baffle 300, so as to drive the baffle 300 to move relative to the smoke collection hood 200, and optionally, the baffle 300 is made of iron, stainless steel, or other materials that can be attracted by magnetic force. With the above arrangement, control of the floating position of the flapper 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 force of the upper magnetic assembly 11 on the adsorption assembly 13 is opposite to the direction of the magnetic force of the lower magnetic assembly 12 on the adsorption assembly 13. Wherein the adsorption component 13 is a magnet. The absorption assembly 13 is arranged to increase the magnetic force between the upper magnetic assembly 11 and the lower magnetic assembly 12 to the baffle 300, and the acting force between the upper magnetic assembly 11 and the magnet and between the lower magnetic assembly 12 and the magnet may be an attractive force or a repulsive force. Of course, the magnetic force direction of the upper magnetic assembly 11 and the lower magnetic assembly 12 on the adsorption assembly 13 may be the same, and both may be opposite to the gravity direction of the baffle 300. Of course, when the magnet is provided on the barrier 300, only one of the upper magnetic assembly 11 and the lower magnetic assembly 12 may be provided, and the force acting on the barrier 300 may be opposite to the gravity direction of the barrier 300.

In this embodiment, optionally, the upper magnetic assembly 11 can generate an adsorption force on the adsorption assembly 13, the lower magnetic assembly 12 can generate an adsorption force on the adsorption assembly 13, and 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, the baffle 300 remains in a suspended state.

In this embodiment, preferably, the upper magnetic assembly 11 is a column structure for adsorbing the position of the center of gravity of the baffle 300, and the lower magnetic assembly 12 is an annular structure for adsorbing the circumferential position of the baffle 300. Through the above arrangement, the stable control of the baffle 300 is realized, and the phenomenon that the baffle 300 tilts due to unstable gravity center of the baffle 300 caused by external disturbance 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 configured to adsorb the first permanent magnet 131, and the lower magnetic assembly 12 is configured to adsorb the second permanent magnet 132.

Regarding the arrangement of the magnetic pole directions of the first permanent magnet 131 and the second permanent magnet 132, in this embodiment, optionally, one end of the first permanent magnet 131 facing the upper magnetic assembly 11 is an S pole, one end of the second permanent magnet 132 facing the lower magnetic assembly 12 is an N pole, one end of the upper magnetic assembly 11 facing the first permanent magnet 131 is an N pole, and one 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 assembly 11 and the lower magnetic assembly 12 may be oppositely arranged according to the magnetic pole directions of the first permanent magnet 131 and the second permanent magnet 132.

In order to realize fine control of the upper magnetic assembly 11, in the present embodiment, as shown in fig. 5, preferably, the upper magnetic assembly 11 includes a plurality of independent upper magnetic members, each of which can attract the first permanent magnet 131. The arrangement of the upper magnetic pieces which are independent of each other can realize independent control over each upper magnetic piece, so that the control precision is higher. Preferably, four upper magnetic members are provided, 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 diagonal to each other are opened or closed simultaneously, that is, the first upper magnetic member 111 and the third upper magnetic member 113 are opened or closed simultaneously by one group, and the second upper magnetic member 112 and the fourth upper magnetic member 114 are opened or closed simultaneously by one group, so as to achieve the effect of balanced adsorption. Preferably, the first and third upper

magnetic members

111 and 113 generate an attractive force greater than that of the second and fourth upper

magnetic members

112 and 114. Further, the four upper magnetic members are constrained within a sleeve 115, the sleeve 115 being fixed to the web 100. Of course, the number and arrangement of the upper magnetic members may have other implementations, and are not limited thereto.

In order to realize 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, the lower magnetic members are independent of each other and arranged in parallel in an annular shape, and each lower magnetic member can adsorb the second permanent magnet 132. Firstly, the independent control to magnetic force spare under every can be realized to mutually independent lower magnetic force spare, and then makes control accuracy higher, and secondly, the structure that the annular was arranged for the adsorption affinity that produces the second permanent magnet 132 on baffle 300 can be in the optional position of annular structure, and then can adjust the gradient of baffle 300, and then when adapting to different volume of discharging fume, can also adapt to the structure in the collection smoke chamber of different shapes. Optionally, the baffle 300 has a quadrilateral structure, four lower magnetic members are provided, and the enclosed ring has a quadrilateral structure, which is respectively the first lower magnetic member 121, the second lower magnetic member 122, the third lower magnetic member 123 and the fourth lower magnetic member 124. The baffle 300 can be adjusted to rotate along a first axis by adjusting the first lower magnetic member 121 and the third lower magnetic member 123 which are oppositely arranged, and the baffle 300 can be adjusted to rotate along a second axis by adjusting the second lower magnetic member 122 and the fourth lower magnetic member 124 which are oppositely arranged, wherein the first axis and the second axis are coplanar and vertical, and the second axis faces the direction of a user. Of course, the baffle 300 may also be a pentagon or other polygonal structure, and the number of sides of the ring structure surrounded by the lower magnetic member is always the same as the number of sides of the baffle 300. Preferably, the baffle 300 has an octagonal structure, and the lower magnetic member is enclosed in an octagonal ring structure. This setting can be adjusted the inclination of baffle 300 through eight mutually independent lower magnetic force pieces, can satisfy the different inclination user demand of baffle 300.

Further, a plurality of lower magnetic force pieces can enclose a plurality of ring structures, and then can control the high accuracy that the adsorption affinity that magnetic force assembly 12 produced down goes on for it is more sensitive to the height control of baffle 300.

In order to adjust the height of the baffle 300, in this embodiment, the magnetic assembly 1 is preferably an electromagnet, and the magnetic force of the electromagnet is adjusted to enable the baffle 300 to be raised or lowered inside the smoke collection chamber to be far away from or close to the air inlet.

Specifically, go up magnetic force component 11 and lower magnetic force component 12 and be the electro-magnet, through the magnetic force size of control electro-magnet to realize the control of baffle 300 lift, improved the intelligent degree of collection cigarette subassembly. The smoke collection assembly also comprises a temperature sensor 4 and a controller, and the controller is in communication connection with the temperature sensor 4, the upper magnetic assembly 11 and the lower magnetic assembly 12; temperature sensor 4 is fixed in collection cigarette lid 200, and temperature sensor 4 is used for testing the temperature of cooking pot 700 on the top of a kitchen range 600 below the collection cigarette subassembly, and when cooking pot 700's temperature rose or reduced, temperature sensor 4 sent temperature signal to the controller, and the controller is according to the magnetic force size of temperature signal control upper magnetic assembly 11 and lower magnetic assembly 12, and adjustment baffle 300 rose or reduced.

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 distance between the upper magnetic assembly 11 and the baffle 300 can be used to control the magnetic force therebetween. However, in consideration of manufacturing cost and convenience of operation, the upper magnetic assembly 11 and the lower magnetic assembly 12 are preferably electromagnets in this embodiment.

In the using process, when the controller controls the height of the baffle 300 according to the preset instruction, the controller is easily affected by wind pressure, so that the height position of the baffle 300 cannot be accurately adjusted. In this embodiment, the smoke collecting assembly preferably further comprises a distance sensor 5, and the distance sensor 5 is preferably an infrared distance meter. The distance sensor 5 is fixed on the connecting plate 100, the distance sensor 5 is in communication connection with the controller and is used for measuring the distance between the top plates of the baffle plate 300 and the smoke collecting hood 200 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. The distance between baffle 300 and collection petticoat pipe 200 can be gathered in real time and fed back to distance sensor 5's setting, and in the accommodation process, when the distance between baffle 300 and the collection petticoat pipe 200 reached the default, the controller can in time give-out order, stops baffle 300's lift, makes it keep the suspended state, has improved the regulation degree of accuracy of baffle 300.

In order to satisfy the use environment with two cooking holes on the cooking bench 600, in the embodiment, two baffles 300 and two magnetic assemblies 1 in the smoke collecting assembly are provided, the smoke collecting hood 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 collection cavity and respectively seal the two air inlets, and the two magnetic assemblies 1 are respectively used for adjusting the distance between the two baffles 300 and the air inlets. Of course, in other embodiments, the baffle 300 and the magnetic assembly 1 may be provided in a plurality, so as to satisfy the usage environment of a plurality of cooking ranges on the cooking bench 600.

This embodiment still provides a range hood, and range hood includes shell 500, fan subassembly 600 and foretell collection cigarette subassembly, shell 500 inside be equipped with the installation cavity and with the lower extreme opening of installation cavity intercommunication, fan subassembly 600 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 chamber 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 cooktop 600.

The mesh enclosure 800 in the prior art is installed on the smoke collecting hood 200 and is located in the smoke collecting chamber. Because the mesh enclosure 800 can cover the whole air inlet, the mesh enclosure 800 can enter and exit the smoke collecting cavity after being overturned and tilted, and the mesh enclosure 800 is difficult to install and disassemble. Therefore, in this embodiment, optionally, the smoke collecting assembly further includes a mesh enclosure 800, 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 oil smoke passing through the installation cavity. This setting makes screen panel 800's size can be less than the size of every air intake, and then makes screen panel 800's installation and dismantlement process comparatively convenient.

The embodiment further provides a control method of a smoke collection assembly, the smoke collection assembly comprises a plurality of working modes, the baffle 300 is suspended at different preset heights in the smoke collection cavity corresponding to different working modes, and the control method of the smoke collection assembly comprises the following steps:

s1: and selecting the working mode of the smoke collection assembly.

S2: the difference between the current height of the flapper 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 lift the baffle 300 from the current height to the preset height.

Optionally, the working modes include 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 300 is at the initial height L3 from the air inlet; when entering the weak gear working mode, the baffle 300 is at a first preset height L1 from the air inlet; when the fan enters the strong gear working mode, the baffle 300 is at a second preset height L2 from the air inlet, and when the fan enters the cleaning working mode, the distance between the baffle 300 and the air inlet is zero, wherein L2 is more than L3 is 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 modes further include an adaptive operation mode, and 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-range operation mode and the strong-range operation mode is automatically selected according to the detection result. This setting can realize the automatically regulated of baffle 300 position, has improved the degree of automation of collection cigarette subassembly.

Optionally, after entering the self-adaptive working mode, selecting a strong gear working mode when T is more than or equal to 200 ℃; when 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 embodiments of this embodiment, the settings of the temperature segments are adjusted according to actual conditions, but not limited thereto.

Referring to fig. 7, a specific operation flow of the smoke collecting assembly control method is provided. When in use, the adsorption force generated by the upper magnetic assembly 11 is a, and the adsorption force generated by the lower magnetic assembly 12 is b; the weight of the baffle 300 and the adsorption assembly 13 is c. X is a working mode, and when X is 1, the working mode is a weak gear working mode; when X is 2, the high-gear working mode is selected; when X is 3, the self-adaptive working mode is adopted; when X is 4, the cleaning operation mode is selected, and T is the temperature detected by the temperature sensor 4.

The use process of the cigarette making machine comprises the following steps:

step one, the controller receives a starting command, the smoke collecting assembly enters a standby state, and the distance between the baffle plate 300 and the air inlet of the smoke collecting cover 200 is the initial height L3.

And step two, judging whether a work instruction X is received or not, if not, continuing the standby state, and if so, entering a work mode X:1, 2, 3 or 4. When X is equal to 1, the weak-range operating mode is entered, and the distance between the baffle 300 and the air inlet of the smoke collection cover 200 is the first preset height L1. When X is 2, the strong-grade operation mode is entered, and the distance between the baffle 300 and the air inlet of the smoke collection cover 200 is the second preset height L2. When X is 3, the self-adaptive operation mode is entered, the distance between the baffle 300 and the smoke collecting hood 200 is continuously switched among L1, L2 and L3 along with the change of temperature, and when X is 4, the washing operation mode is entered, and the distance between the baffle 300 and the smoke collecting hood 200 is L4. Wherein, L2 is more than L3 is more than L1 is more than L4 is 0.

The specific implementation mode is as follows: when X is 1, the adsorption force a is unchanged, the adsorption force b is increased, a is less than 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 adjusted to be equal to c, and the distance between the baffle 300 and the air inlet of the smoke collection hood 200 is fixed at L1.

When X is 2, the strong-grade operation mode is entered, at this time, the adsorption force a is enhanced, the adsorption force b is unchanged, a is greater than b + c, the baffle 300 gradually rises, the distance sensor 5 determines that the distance is L2, the distance is fed back to the upper magnetic assembly 11, the adsorption force a stops being enhanced, the resultant force of the adsorption force a and the adsorption force b is made to be 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 collection cover 200 is fixed at L2. Preferably, 2L1 < L2 < 3L 1.

When X is 3, the self-adaptive working mode is entered, when T is more than or equal to 200 ℃, X is 1 (strong gear working mode), when T is more than or equal to 50 ℃ and less than 200 ℃, X is 2 (weak gear working mode), T is less than 50 ℃, and the standby working mode is maintained. In the self-adaptive working mode, the temperature sensor 4 continuously and automatically judges the temperature, and continuously repeats the weak gear working mode, the strong gear working mode and the standby working mode according to the change of the temperature.

When X is 4, then enter and wash the mode of operation, adsorption affinity a and adsorption affinity b are zero this moment, and baffle 300 falls to collection petticoat pipe 200 on, and the user can take out baffle 300 and wash.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A fume collecting assembly comprises a connecting plate (100), a fume collecting hood (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 collection device is characterized in that the baffle (300) is arranged in the smoke collection cavity, the smoke collection assembly further comprises a magnetic assembly (1), the magnetic assembly (1) can provide magnetic acting force for the baffle (300) to enable the baffle (300) to suspend in a preset position in the smoke collection cavity so as to adjust the distance between the baffle (300) and the air inlet.

2. The fume collecting assembly according to claim 1, characterized in that said magnetic assembly (1) comprises an upper magnetic assembly (11) and a lower magnetic assembly (12), said upper magnetic assembly (11) is disposed on said connecting plate (100), said lower magnetic assembly (12) is disposed on said fume collecting hood (200) and located at the periphery of said air intake, said baffle plate (300) is located between said upper magnetic assembly (11) and said lower magnetic assembly (12), and said upper magnetic assembly (11) and said lower magnetic assembly (12) are capable of generating magnetic force on said baffle plate (300).

3. The smoke collection assembly according to claim 2, wherein said magnetic assembly (1) further comprises an adsorption assembly (13), said adsorption assembly (13) is disposed on said baffle (300), and the direction of the magnetic force applied to said adsorption assembly (13) by said upper magnetic assembly (11) is opposite to the direction of the magnetic force applied to said adsorption assembly (13) by said lower magnetic assembly (12).

4. A smoke collection assembly according to claim 3, wherein said upper magnetic assembly (11) is adapted to attract the position of the centre of gravity of said baffle (300) and said lower magnetic assembly (12) is adapted to attract the circumferential position of said baffle (300).

5. A smoke collecting assembly according to claim 4, wherein said adsorbing assembly (13) comprises a first permanent magnet (131) and a second permanent magnet (132), said first permanent magnet (131) is located in the middle of said baffle (300), said second permanent magnet (132) is located in the circumferential direction of said baffle (300), said upper magnetic assembly (11) is used for adsorbing said first permanent magnet (131), and said lower magnetic assembly (12) is used for adsorbing said second permanent magnet (132).

6. A fume collecting assembly according to claim 5, characterized in that said upper magnetic assembly (11) comprises a plurality of mutually independent upper magnetic members, each of which can attract said first permanent magnet (131); and/or

Lower magnetic force subassembly (12) include a plurality of magnetic force spare down, it is a plurality of the magnetic force spare is mutually independent down and be the annular and arrange side by side, every the magnetic force spare homoenergetic adsorbs down second permanent magnet (132).

7. A smoke collecting assembly according to any one of claims 1-6, wherein said magnetic assembly (1) is an electromagnet, and the magnetic force of said electromagnet is adjusted to make said baffle (300) far away from or close to said air inlet.

8. The fume collection assembly according to claim 7, further comprising a temperature sensor (4) and a controller, said controller being in communication with said temperature sensor (4) and said magnetic assembly (1), respectively; the controller can control the magnetic force of the magnetic assembly (1) according to the temperature signal of the temperature sensor (4); and/or

The smoke collection 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 (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.

9. A range hood, characterized by, including shell (500), fan subassembly (600) and the collection cigarette subassembly of any one of claims 1-8, shell (500) inside is equipped with the installation cavity and with the lower extreme opening of installation cavity intercommunication, fan subassembly (600) are located in the installation cavity, connecting plate (100) are equipped with the air outlet, the air outlet with collection cigarette chamber intercommunication, and with lower extreme opening intercommunication.

10. The range hood according to claim 9, further comprising a mesh enclosure (800), wherein the mesh enclosure (800) is detachably connected to a lower portion of the housing (500) and covers the lower opening.

11. A control method of a smoke collection assembly, applied to the smoke collection assembly according to any one of claims 1 to 8, wherein the smoke collection assembly comprises a plurality of working modes, the baffle (300) is suspended at different preset heights inside the smoke collection cavity corresponding to different working modes, and the control method of the smoke collection assembly comprises the following steps:

s1: selecting a working mode of the smoke collection assembly;

s2: comparing the difference between the current height of the baffle (300) and the preset height corresponding to the selected working mode;

s3: according to the comparison result of the step S2, the magnetic force of the magnetic assembly (1) is adjusted to enable the baffle (300) to be lifted from the current height to the preset height.

12. The method of claim 11, wherein said operation modes include a standby operation mode, a weak-range operation mode, a strong-range operation mode, and a cleaning operation mode, wherein said baffle (300) is spaced from said inlet opening by an initial height L3 when said standby operation mode is entered; when the weak gear working mode is entered, the baffle (300) is away from the air inlet by a first preset height L1; when the strong gear working mode is entered, the baffle (300) is far away from the second preset height L2 of the air inlet, when the cleaning working mode is entered, the distance between the baffle (300) and the air inlet is zero, wherein L2 is more than L3 is more than L1 is more than 0.

13. The control method of the smoke collecting assembly according to claim 12, wherein said operation modes further comprise an adaptive operation mode, after entering said adaptive operation mode, detecting a temperature T of a cooking pot (700), and automatically selecting to enter one of said standby operation mode, said weak-shift operation mode and said strong-shift operation mode according to the detection result.

14. The control method of the smoke collecting assembly according to claim 13, wherein after entering the adaptive operating mode, when T is more than or equal to 200 ℃, the strong gear operating mode is selected; when T is more than or equal to 50 ℃ and less than 200 ℃, selecting the weak gear working mode; t is less than 50 ℃, and the standby working mode is kept.