CN217302938U

CN217302938U - Flat plate type range hood with condensation oil filter

Info

Publication number: CN217302938U
Application number: CN202220681103.9U
Authority: CN
Inventors: 章林遥; 朱刚; 张晨洲; 杨原来; 艾磊
Original assignee: Chengdu Chiffo Electronics Co Ltd
Current assignee: Chengdu Chiffo Electronics Co Ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-08-26
Anticipated expiration: 2032-03-28

Abstract

The utility model discloses a flat plate type range hood with a condensation oil filter, which comprises an air duct system, a smoke collecting hood, a flow guide flat plate and a condensing device; the bottom of the air duct system is communicated with the top end of the smoke collecting hood; the flow guide flat plate is arranged on one side below the smoke collecting hood; an air inlet is formed below the flow guide flat plate, a smoke collection cavity is formed in the flow guide flat plate, and the smoke collection cavity is communicated with the air duct system; the condensing device is arranged in the smoke collecting cavity. The condensing device has a huge surface area, when oil smoke gas passes through the condensing device, grease can be attached to the condensing device so as to be separated from air, the purpose of grease separation is achieved, and finally the gas discharged out of the range hood is clean gas with small grease content so as to achieve the purpose of environmental protection; on the other hand, the oil smoke which is not subjected to grease separation is prevented from being attached to the air duct system in a large quantity, the use of a motor and an impeller in the air duct system is influenced, huge noise is generated, and the balance of the system is damaged.

Description

Flat plate type range hood with condensation oil filter

Technical Field

The utility model relates to a lampblack absorber technical field especially relates to a take flat range hood of condensation oil filter.

Background

The range hood is a household appliance which discharges cooking fume and purifies the kitchen environment. When the range hood works, oil smoke gas can be directly discharged to the outside after passing through the range hood. The gas discharged to the outside contains oil components, which may pollute the atmospheric environment. With the increasing environmental protection requirements of the country, it is necessary to improve the grease separation degree of the range hood to make the discharged outdoor air cleaner. The range hoods on the market at present do not have special oil filtering devices, and the grease filtering effect of the range hoods depends on the attachment effect of the impeller during rotation. In practical use, the oil separation degree is limited, and a large amount of oil components are still contained in the gas exhausted out of the room. Secondly the impeller of range hood all is located range hood's end, and the gas that has a large amount of grease compositions can pass through range hood's other parts earlier, reaches the impeller at last, and this can be to the air duct system of range hood especially motor has very big influence, can adhere to a large amount of fatlutes on motor, the impeller after long-term the use, and this also can produce huge influence to the volume of airing exhaust of range hood, also can destroy impeller moving dynamic balance in addition, causes the organism to vibrate, and the noise increase.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide a flat range hood with a condensation oil filter, which improves the grease separation degree of the range hood, reduces the pollution, reduces the oil smoke adhesion between a motor and an impeller in use, and reduces the noise.

In order to realize the above purpose, the utility model discloses a technical scheme:

a plate type range hood with a condensation oil filter comprises an air duct system, a fume collecting hood, a flow guide plate and a condensing device; the bottom of the air duct system is communicated with the top end of the smoke collecting hood; the flow guide flat plate is arranged on one side below the smoke collecting hood; an air inlet is formed below the flow guide flat plate, a smoke collection cavity is formed in the flow guide flat plate, and the smoke collection cavity is communicated with the air duct system; the condensing device is arranged in the smoke collection cavity.

Furthermore, the range hood further comprises a concentration sensor, and the concentration sensor is arranged in the smoke collection cavity and close to the air inlet.

Furthermore, a baffle device is arranged at the air inlet; the baffle device comprises a motor, a bracket and a turning plate; the motor is arranged on the inner side wall of the smoke collection cavity; the output shaft of the motor is connected with one end of the support, and the other end of the support is connected with the turning plate.

Furthermore, the range hood also comprises an oil collecting tank; the oil collecting groove is horizontally arranged at the lower end of the diversion flat plate.

Further, the condensing device is composed of a plurality of condensing fins; the plurality of condensation fins are arranged in the smoke collection cavity in a fan shape at equal intervals along the airflow direction; a smoke channel is formed between two adjacent condensing fins; the smoke channel is communicated with the bottom end of the air duct system.

The utility model has the advantages that:

the utility model provides a plate type range hood with a condensation oil filter, wherein an air duct system is used for providing power for the range hood and generating gas flow; the smoke collection cavity is used for generating a negative pressure area, and oil smoke is sucked into the smoke collection cavity when passing through the vicinity of the air inlet of the smoke collection cavity and flows to the tail end of the air duct system to be discharged; the condensing device is arranged in the smoke collection cavity, a plurality of condensing fins are arranged in a fan-shaped equidistant manner, dense airflow channels are formed among the condensing fins, the condensing device has a huge surface area, when oil smoke gas passes through the airflow channels among the condensing fins, grease can be attached to the condensing fins so as to be separated from air, the purpose of grease separation is achieved, and finally the gas discharged out of the range hood is clean gas with small grease content so as to achieve the purpose of environmental protection; on the other hand, the oil smoke which is not subjected to grease separation is prevented from being attached to the air duct system in a large quantity, the use of a motor and an impeller in the air duct system is influenced, huge noise is generated, and the balance of the system is damaged; and because the condensing fins arranged in parallel are applied in the smoke collection cavity, and the direction of the fins is along the direction of the airflow, the fins have a dredging function on the airflow, the airflow can be prevented from blocking and rebounding at the left and right corners inside the whole rectangular flow guide flat plate, the smoke discharge resistance is reduced, and through experimental comparison, the air quantity of the flow guide flat plate with the condensing fins is improved and the noise is reduced compared with the flow guide flat plate without the condensing fins.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a condensing unit according to the present invention;

fig. 3 is a schematic structural view of the baffle device of the present invention.

In the figure: 1. an air duct system; 2. a smoke collecting hood; 3. a flow guide flat plate; 4. a condensing unit; 41. condensing the fins; 5. an air inlet; 6. a concentration sensor; 7. a baffle device; 71. a motor; 72. a support; 73. turning over a plate; 8. an oil collecting tank.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further explained with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like 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, and 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 therefore, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1-3, the present embodiment provides a plate type range hood with a condensation oil filter, which includes a duct system 1, a smoke collecting hood 2, a flow guiding plate 3 and a condensing device 4; the bottom of the air duct system 1 is communicated with the top end of the fume collecting hood 2; the flow guide flat plate 3 is arranged on one side below the fume collecting hood 2; an air inlet 5 is formed below the flow guide flat plate 3, a smoke collection cavity is formed inside the flow guide flat plate 3, and the smoke collection cavity is communicated with the air duct system 1; the condensing device 4 is arranged in the smoke collecting cavity.

A plate type range hood with a condensation oil filter comprises a control system, a wind channel system 1 and a condenser, wherein the control system is used for controlling the normal operation of a device, the wind channel system 1 comprises a power source and a pipeline system, the power source provides power for the range hood, gas flows, and the gas is discharged from the tail end of the pipeline system after passing through the pipeline system; the smoke collecting cavity is used for generating a negative pressure area, the air inlet 5 is formed in the flow guide flat plate 3, oil smoke is sucked into the smoke collecting cavity through the position close to the air inlet 5, the condensing device 4 is arranged in the smoke collecting cavity, when the oil smoke passes through the condensing device 4, oil can be attached to the condensing device 4, oil and air separation is achieved, the treated oil smoke is discharged through the air duct system 1 at last, the oil content in the oil smoke is low at the moment, air pollution is low, green emission is achieved, the oil smoke with a large amount of oil is prevented from being attached to the driving motor and the wind wheel, noise is generated, and the service life of the device is shortened.

Example 2

As shown in fig. 1 to fig. 3, the present embodiment is developed on the basis of the above embodiments, and specifically, the present embodiment provides a flat type range hood with a condensation oil filter, and the range hood further includes a concentration sensor 6, where the concentration sensor 6 is disposed in the smoke collection cavity and near the air inlet 5. The concentration sensor 6 is used for detecting the oil smoke concentration at the air inlet 5, transmitting a detected oil smoke concentration signal to a control system of the range hood, and the control system adjusts the power of the range hood according to the current oil smoke concentration, so that the air volume can be automatically adjusted along with the oil smoke concentration, when the oil smoke concentration is high, the air volume is large, and when the oil smoke concentration is low, the air volume is small.

Further, a baffle device 7 is arranged at the air inlet 5; the baffle device 7 comprises a motor 71, a bracket 72 and a turning plate 73; the motor 71 is arranged on the inner side wall of the smoke collection cavity; an output shaft of the motor 71 is connected with one end of the bracket 72, and the other end of the bracket 72 is connected with the turning plate 73; when the range hood is shut down, the turning plate 73 is closed to completely block the air inlet 5 so as to prevent an ash layer from entering the smoke collection cavity, and simultaneously, oil stains in the smoke collection cavity cannot be seen by human eyes, so that the range hood has an attractive effect, and when the range hood works, the turning plate 73 is opened to enable air flow to enter from the air inlet 5; in some preferred embodiments, the opening angle of the flap 73 may be any angle between 0 ° and 90 °, and when the air volume is small, the opening angle of the flap 73 is small in order to obtain sufficient negative pressure; when the air volume is maximum, the turning plate 73 is in a 90-degree full-open state, and the control system can control the opening angle of the turning plate 73 according to the air volume, so that the use of a user is met.

Further, the range hood also comprises an oil collecting tank 8; the oil collecting groove 8 is horizontally arranged at the lower end of the diversion flat plate 3, in some preferred embodiments, a hanging hole is formed in the bottom of the diversion flat plate 3, the oil collecting groove 8 is arranged at the bottom of the diversion flat plate 3 through a hook, and the oil collecting groove 8 and the inner part of the smoke collecting cavity are conveniently cleaned in a detachable connection mode.

Further, the condensing device 4 is composed of a plurality of condensing fins 41; a plurality of the condensing fins 41 are arranged in the smoke collecting cavity in a fan shape along the airflow direction at equal intervals; a flue gas channel is formed between two adjacent condensing fins 41; the flue gas channel is communicated with the bottom end of the air duct system 1, in some preferred embodiments, the condensing fins 41 are sheet metal plates, the condensing fins 41 can be made of metal materials such as aluminum alloy and stainless steel, and the huge surface area formed among the condensing fins 41 increases the contact area with the oil smoke gas, so that the oil smoke gas is fully contacted with the condensing surface, and grease molecules can be attached to the condensing surface to be separated from the oil smoke gas, finally flow downwards along the condensing fins 41 and are collected by the oil collecting tank 8 at the bottom.

Example 3

As shown in fig. 1 to fig. 3, the present embodiment is developed on the basis of the above embodiments, and specifically, the present embodiment provides a specific working principle of a flat plate type range hood with a condensation oil filter:

when the range hood operates, a power source in the air duct system 1 drives an impeller to rotate to generate air flow, the air flow direction is from bottom to top, cooking generated oil smoke enters a smoke collection cavity from an air inlet 5 on a flow guide flat plate 3, a concentration sensor 6 detects the concentration of the oil smoke entering the air inlet 5 in real time, a control system of the range hood adjusts the suction force according to the concentration of the oil smoke, simultaneously adjusts the turning angle of a turning plate 73, then the cooking oil smoke passes through an air flow channel formed between condensing fins 41 in the smoke collection cavity, the cooking oil smoke is fully contacted with the condensing fins 41 when passing through the channel, oil components in the oil smoke are condensed on the surfaces of the fins so as to be separated from air, the oil smoke passing through a condensing device 4 is air flow with less oil content, the air flow continuously flows upwards and is finally discharged from an outlet of the air duct system 1, and the oil smoke passing through a condensing oil filter is less in oil content, therefore, the driving motor and the impeller are not polluted greatly, the driving motor and the impeller are protected, the condensing device 4 does not need energy to drive, and energy is further saved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A plate type range hood with a condensation oil filter is characterized in that: comprises an air duct system (1), a fume collecting hood (2), a flow guide flat plate (3) and a condensing device (4); the bottom of the air duct system (1) is communicated with the top end of the fume collecting hood (2); the flow guide flat plate (3) is arranged on one side below the smoke collecting hood (2); an air inlet (5) is formed below the flow guide flat plate (3), a smoke collection cavity is formed inside the flow guide flat plate (3), and the smoke collection cavity is communicated with the air duct system (1); the condensing device (4) is arranged in the smoke collection cavity.

2. The flat plate type range hood with the condensation oil filter as claimed in claim 1, wherein: the range hood further comprises a concentration sensor (6), and the concentration sensor (6) is arranged in the smoke collection cavity and close to the air inlet (5).

3. The flat plate type range hood with the condensation oil filter as claimed in claim 1, wherein: a baffle plate device (7) is arranged at the air inlet; the baffle device (7) comprises a motor (71), a bracket (72) and a turning plate (73); the motor (71) is arranged on the inner side wall of the smoke collection cavity; an output shaft of the motor (71) is connected with one end of the support (72), and the other end of the support (72) is connected with the turning plate (73).

4. The flat plate type range hood with condensation oil filter according to claim 1, wherein: the range hood also comprises an oil collecting tank (8); the oil collecting groove (8) is horizontally arranged at the lower end of the flow guide flat plate (3).

5. The flat plate type range hood with the condensation oil filter as claimed in claim 1, wherein: the condensing device (4) consists of a plurality of condensing fins (41); the plurality of condensing fins (41) are arranged in the smoke collection cavity in a fan shape at equal intervals along the airflow direction; a flue gas channel is formed between two adjacent condensing fins (41); the smoke channel is communicated with the bottom end of the air duct system (1).