CN217635805U

CN217635805U - Side-draft range hood

Info

Publication number: CN217635805U
Application number: CN202221164279.3U
Authority: CN
Inventors: 苏腾飞; 张莹; 黄金鑫; 李家新; 贾铌
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-10-21
Anticipated expiration: 2032-05-13

Abstract

The utility model relates to a side-draught range hood, include: a housing having an air inlet and an air outlet, the air inlet being formed on a front wall of the housing; a fan disposed in the housing; one side of the smoke guide plate is connected with the front wall of the shell, the air inlet is positioned below the joint of the smoke guide plate and the shell, the smoke guide plate is in an air guide state with the air inlet exposed, and when the smoke guide plate is in the air guide state, the included angle between the plane of the smoke guide plate and the plane of the front wall of the shell is a1, and a1 is more than 85 degrees and less than or equal to 110 degrees. When the included angle between the plane that leads cigarette board place and the antetheca place of shell is in this within range, the below of leading cigarette board can form the negative pressure zone, and the negative pressure zone can extend to the lower place ahead of cigarette board this moment, and the regional area that extends can promote the absorption efficiency of oil smoke for the main production and the propagation region of culinary art in-process oil smoke. The utility model discloses a lower defect of smoke-catching rate of side-draft lampblack absorber among the prior art can be overcome to side-draft lampblack absorber.

Description

Side-draft range hood

Technical Field

The utility model relates to the technical field of household appliances, concretely relates to formula lampblack absorber is inhaled to side.

Background

Along with the improvement of the living standard of people, the range hood gradually moves into the kitchens of all households, and is used for collecting and discharging oil smoke generated in the cooking process. At present, relevant performance parameters of the range hood comprise air volume, air pressure, oil separation degree, noise, odor reduction degree and the like, but the capacity of the range hood for exhausting oil smoke generated in a kitchen cannot be comprehensively and effectively embodied. The smoke capture rate is the ratio of the amount of oil smoke at the outlet of the side-draft range hood to the total amount of generated oil smoke, and the capability of the range hood for discharging the oil smoke generated in a kitchen can be comprehensively and effectively represented through the smoke capture rate. The side-suction range hood has the advantages of small occupied space and difficulty in head contact, but the overall level of the smoke capture rate is lower, generally about 0.72-0.73, and how to improve the smoke capture rate of the side-suction range hood becomes a technical problem to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the lower defect of smoke trapping rate of the side-draught range hood among the prior art to a higher side-draught range hood of smoke trapping rate is provided.

In order to solve the problem, the utility model provides a side-draught range hood, include: a housing having an air inlet and an air outlet, the air inlet being formed on a front wall of the housing; a fan disposed in the housing; one side of the smoke guide plate is connected with the front wall of the shell, the air inlet is positioned below the joint of the smoke guide plate and the shell, the smoke guide plate is in an air guide state with the air inlet exposed, and when the smoke guide plate is in the air guide state, the included angle between the plane of the smoke guide plate and the plane of the front wall of the shell is a1, and a1 is more than 85 degrees and less than or equal to 110 degrees.

Further, a1 is 100 °.

Furthermore, the smoke guide plate is a rectangular plate, one side of the rectangular plate, which is connected with the shell, is defined as a long side, one side of the rectangular plate, which is connected with the long side, is defined as a wide side, and the length of the wide side of the rectangular plate is L1, L1 is more than or equal to 170mm and is less than or equal to 266mm.

Furthermore, L1 is more than or equal to 204mm and less than or equal to 228mm.

Furthermore, an oil screen assembly hole is formed in the front side of the shell, an oil screen is arranged in the oil screen assembly hole, and an air inlet is formed in the oil screen.

Further, the oil screen is formed with mounting holes.

Furthermore, a smoke collection cavity is arranged in the shell, an inlet of the smoke collection cavity is communicated with the air inlet, and an outlet of the smoke collection cavity is communicated with an inlet of the fan.

Furthermore, the fan comprises a volute, a motor arranged in the volute and an impeller driven by the motor, wherein an inlet of the volute is connected with an outlet of the smoke collection cavity, and an outlet of the volute is connected with the air outlet.

Furthermore, an air guide ring is arranged in the smoke collection cavity, and an outlet of the smoke collection cavity is formed in the air guide ring.

Further, the smoke guide plate is hinged to the housing and has a closed state covering the air outlet of the housing.

The utility model has the advantages of it is following:

1. according to the technical scheme, the side-suction range hood of the utility model mainly arranges the smoke guide plate to be connected with the front wall of the shell, and the included angle between the smoke guide plate and the plane where the front wall of the shell is arranged is a1, and a1 is more than 85 degrees and is less than or equal to 110 degrees. In the operation process of the side-draft range hood, the fan can drive air to carry oil smoke to flow into the shell, and a negative pressure area is formed between the smoke guide plate and the front wall of the shell. When the included angle between the plane of smoke guide plate place and the plane of the antetheca place of shell is in this scope, the scope of negative pressure region is not the biggest, but can extend to the lower the place ahead of smoke guide plate, and the regional area that extends is the main production and the propagation region of cooking in-process oil smoke, can absorb the oil smoke that produces more thoroughly from this in-process of cooking, can promote the absorption efficiency of oil smoke effectively. Therefore, the utility model discloses a lower defect of smoke-catching rate of side-draft lampblack absorber among the prior art can be overcome to the side-draft lampblack absorber, and need not to improve the manufacturing cost of lampblack absorber. Additionally, the utility model discloses a side-draught range hood's simple structure, it is easy to make, uses safe and reliable, and the implementation of being convenient for is popularized and applied.

2. a1 is 100 degrees, and the applicant finds that the smoke capturing rate of the side-suction range hood is the highest when the angle between the plane of the smoke guide plate and the plane of the front side of the range hood is 100 degrees through multiple simulations.

3. The smoke guide plate is a rectangular plate. The side of the rectangular plate connected with the shell is defined as a long side. One side of the rectangular plate connected with the long side is a wide side. The length of the wide side of the rectangular plate is L1. L1 is more than or equal to 170mm and less than or equal to 266mm.

4. The length L1 of the wide side of the smoke guide plate is in the range of 204 mm-228 mm, preferably 222mm. Tests show that when a1 is more than 85 degrees and less than or equal to 110 degrees and L1 is more than or equal to 204mm and less than or equal to 228mm, a negative pressure area formed by the side-draft range hood can completely cover the generation range of oil smoke, and the smoke capture rate of the side-draft range hood can be further improved. Compared with the prior art, the width of the smoke guide plate of the side-suction range hood and the angle between the plane of the smoke guide plate and the plane of the front side of the range hood are adjusted while other parameters are kept unchanged, the smoke capture rate of the side-suction range hood can be improved from 0.72 to 0.83, the improvement rate reaches 15.3%, the improvement effect is obvious, and the improved smoke capture rate is higher than the industry level of 73%.

5. An oil screen assembly hole is formed in the front side of the shell, an oil screen is arranged in the oil screen assembly hole, and an air inlet of the shell is formed in the oil screen. The oil net can prevent large objects from being sucked into the range hood, and can also effectively prevent hands and hair of a user from being transferred into the range hood. The oil screen is provided with mounting holes. Thereby the user can pass the mounting hole with the finger and convenient and fast dismouting oil net.

6. The shell is internally provided with a smoke collection cavity, the inlet of the smoke collection cavity is communicated with the air inlet of the shell, and the outlet of the smoke collection cavity is communicated with the inlet of the fan. The smoke collecting cavity can increase the area of the side-draft range hood for collecting oil smoke, so that the side-draft range hood is not easy to leak smoke and leak smoke. The fan preferably includes a volute, a motor disposed within the volute, and an impeller driven by the motor. The inlet of the volute is connected with the outlet of the smoke collecting cavity, and the outlet of the volute is connected with the air outlet of the shell.

7. An air guide ring is further arranged in the smoke collection cavity, and an outlet of the smoke collection cavity is formed in the air guide ring. The wind-guiding circle can reduce the adverse effect of backward flow to fan suction air current effect on the one hand, on the other hand can guide the gas in the collection smoke chamber to flow into the spiral case to realize the water conservancy diversion.

8. The smoke guide plate is hinged with the shell and has a closed state covering the air outlet of the shell. When the side-suction range hood is not in a use state, the smoke guide plate can be switched to a closed state and prevents dust from adhering to the oil screen, so that extra burden of cleaning the oil screen is brought to a user. When the side-suction range hood is in a use state, the smoke guide plate can be switched to a wind guide state, and the smoke capture rate of the side-suction range hood is improved. The smoke guide plate is preferably a glass plate, so that the attractiveness of the range hood can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a side sectional view of a side suction type range hood according to an embodiment of the present invention;

FIG. 2 is a partial enlarged view of an oil screen of the side-suction range hood according to the embodiment of the present invention;

description of reference numerals:

100. a side-draft range hood; 1. a housing; 11. an air inlet; 3. a smoke guide plate; 4. an oil screen; 41. Mounting holes; 5. a smoke collection cavity; 6. the wind-guiding circle.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Fig. 1 is a side sectional view of the side suction type range hood according to the embodiment of the present invention. Fig. 2 is a partial enlarged view of the oil screen of the side-suction range hood according to the embodiment of the present invention. As shown in fig. 1 and 2, the side suction type range hood 100 of the present embodiment mainly includes a housing 1, a fan, and a smoke guide plate 3. Wherein the housing 1 has an air inlet 11 and an air outlet. The air intake 11 is formed on the front wall of the housing 1. The fan is disposed in the housing 1. One side of the smoke guide plate 3 is connected with the front wall of the shell 1, the air inlet 11 is positioned below the connection part of the smoke guide plate 3 and the shell 1, the smoke guide plate 3 has an air guiding state exposing the air outlet, and when the smoke guide plate 3 is in the air guiding state, the included angle between the plane where the smoke guide plate 3 is positioned and the plane where the front wall of the shell 1 is positioned is a1, and a1 is more than 85 degrees and is less than or equal to 110 degrees.

According to the technical scheme, the side-draft range hood 100 of the embodiment mainly arranges the smoke guide plate 3 to be connected with the front wall of the shell 1, and the included angle between the smoke guide plate 3 and the plane where the front wall of the shell 1 is located is a1, and a1 is more than 85 degrees and less than or equal to 110 degrees. In the operation process of the side-draft range hood, the fan can drive air to carry oil smoke to flow into the shell 1, and a negative pressure area is formed between the smoke guide plate 3 and the front wall of the shell 1. When the included angle between the plane of the smoke guide plate 3 and the plane of the front wall of the shell 1 is in the range, the range of the negative pressure area is not the maximum, but the negative pressure area can extend to the lower front of the smoke guide plate 3, and the extended area is the main generation and transmission area of the oil smoke in the cooking process, so that the oil smoke generated in the cooking process can be more thoroughly absorbed, and the absorption efficiency of the oil smoke can be effectively improved. Therefore, the side-draft range hood 100 of the embodiment can overcome the defect that the smoke-trapping rate of the side-draft range hood 100 is low in the prior art, and the manufacturing cost of the range hood does not need to be increased. In addition, the side-draft range hood 100 of the embodiment has the advantages of simple structure, easiness in manufacturing, safety and reliability in use, and convenience in implementation, popularization and application.

Preferably, in the present embodiment, a1 is 100 °. The applicant finds that the smoke capturing rate of the side-suction range hood 100 is the highest when the angle between the plane of the smoke guide plate 3 and the plane of the front side of the range hood is 100 degrees through multiple simulations. The applicant tests the smoke capture rate of the same side-suction range hood under different conditions a1, the height of the side-suction range hood adopted by the test is 146mm, the length of the wide edge of the smoke guide plate 3 is 188mm, the depth of the smoke collection cavity is 55mm, the width of the air inlet 11 is 18mm, and the air volume is 18m ³ H is used as the reference value. The experimental data were recorded as follows:

in the present embodiment, the smoke guide plate 3 is preferably a rectangular plate. The side of the rectangular plate connected to the housing 1 is defined as the long side. One side of the rectangular plate connected with the long side is a wide side. The length of the wide side of the rectangular plate is L1. L1 is more than or equal to 170mm and less than or equal to 266mm. Application forPeople test the smoke capturing rate of the same side-draft range hood 100 when the widths of the smoke guide plates 3 are different, the height of the side-draft range hood 100 adopted in the test is 146mm, the angle between the plane of the smoke guide plates 3 and the plane of the front side of the range hood is 75 degrees, the depth of a smoke collection cavity is 55mm, the width of an air inlet 11 is 18mm, and the air volume is 18m ³ H is used as the reference value. The experimental data were recorded as follows:

by contrast, when the length of the wide side of the smoke guide plate 3 is in the range of 170mm to 266mm, the side-draft range hood 100 has a high smoke trapping rate. Preferably, the length L1 of the broad side of the smoke guide 3 is in the range of 204mm to 228mm, preferably 222mm. Tests show that when the a1 is more than 85 degrees and less than or equal to 110 degrees and the L1 is more than or equal to 204mm and less than or equal to 228mm, the negative pressure region formed by the side-draft range hood 100 can completely cover the range of oil smoke generation, and the smoke capture rate of the side-draft range hood 100 can be further improved. The applicant tested the smoke trapping rate of the side draft range hood 100 having the length of 222mm of the broadside of the smoke guide plate 3 at different a 1. The height of the side-draft range hood 100 adopted in the test is 146mm, the depth of the smoke collection cavity is 55mm, the width of the air inlet 11 is 18mm, and the air volume is 18m ³ The experimental data were recorded as follows:

compared with the prior art, the width of the smoke guide plate 3 of the side-suction range hood 100 and the angle between the plane of the smoke guide plate 3 and the plane of the front side of the range hood are adjusted while keeping other parameters unchanged, the smoke capturing rate of the side-suction range hood 100 can be increased from 0.72 to 0.83, the increasing rate reaches 15.3%, the increasing effect is obvious, and the smoke capturing rate after increasing is higher than the industry level of 73%.

In this embodiment, an oil screen mounting hole is further formed in the front side of the housing 1, an oil screen 4 is disposed in the oil screen mounting hole, and the air inlet 11 of the housing 1 is formed in the oil screen 4. The oil screen 4 can prevent large objects from being sucked into the range hood, and can also effectively prevent hands and hair of a user from being transferred into the range hood. Preferably, the oil screen 4 is formed with a mounting hole 41. The user can insert a finger through the mounting hole 41 to easily and quickly attach and detach the oil screen 4.

In this embodiment, a smoke collection chamber 5 is provided in the housing 1, an inlet of the smoke collection chamber 5 is communicated with the air inlet 11 of the housing 1, and an outlet of the smoke collection chamber 5 is communicated with an inlet of the fan. The smoke collection cavity can increase the area of the side-draft range hood 100 for collecting oil smoke, so that the side-draft range hood 100 is not easy to leak smoke and leak smoke. The fan preferably includes a volute, a motor disposed within the volute, and an impeller driven by the motor. The inlet of the volute is connected with the outlet of the smoke collection cavity 5, and the outlet of the volute is connected with the air outlet of the shell 1.

Preferably, in the present embodiment, an air guiding ring 6 is further disposed in the smoke collection cavity 5, and an outlet of the smoke collection cavity 5 is formed in the air guiding ring 6. The wind guide ring 6 can reduce the negative influence of the backflow on the air flow suction effect of the fan on one hand, and can guide the gas in the smoke collection cavity 5 to flow into the volute so as to realize flow guide on the other hand.

The smoke guide 3 may optionally be fixedly connected to the housing 1. Preferably, in the present embodiment, the smoke guide 3 is hinged with the housing 1 and has a closed state covering the air outlet of the housing 1. When the side-suction range hood 100 is not in use, the smoke guide plate 3 can be switched to a closed state and prevent dust from adhering to the oil screen 4, which brings an additional burden of cleaning the oil screen 4 to a user. When the side-draft range hood 100 is in a use state, the smoke guide plate 3 can be switched to a wind guide state, and the smoke trapping rate of the side-draft range hood 100 is improved. The smoke guide 3 is preferably a glass plate, which can improve the aesthetic appearance of the side draft range hood 100.

To sum up, the utility model discloses a side-draught range hood 100 can overcome the lower defect of side-draught range hood 100 smoke capture rate among the prior art, and need not to improve the manufacturing cost of range hood. In addition, the side-suction range hood 100 of the utility model has the advantages of simple structure, easy manufacture, safe and reliable use, and convenient implementation, popularization and application.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. 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. And obvious variations or modifications derived therefrom are intended to be within the scope of the invention.

Claims

1. A side-draft range hood, comprising:

a housing (1) having an air inlet (11) and an air outlet, the air inlet (11) being formed on a front wall of the housing (1);

a fan disposed in the housing (1);

the air-guiding structure of the cigarette case comprises a cigarette guiding plate (3), one side of the cigarette guiding plate (3) is connected with the front wall of the case (1), an air inlet (11) is located below the joint of the cigarette guiding plate (3) and the case (1), the cigarette guiding plate (3) is provided with an air guiding state exposing the air outlet, and when the cigarette guiding plate (3) is in the air guiding state, the included angle between the plane where the cigarette guiding plate (3) is located and the plane where the front wall of the case (1) is located is a1, and a1 is more than 85 degrees and less than or equal to 110 degrees.

2. The side draft range hood according to claim 1, wherein a1 is 100 °.

3. The side-draft range hood according to claim 1, wherein the smoke guide plate (3) is a rectangular plate, one side of the rectangular plate connected with the housing (1) is defined as a long side, the other side connected with the long side is defined as a wide side, and the length of the wide side of the rectangular plate is L1,170mm and L1 and 266mm.

4. The side draft range hood according to claim 3, wherein L1 is 204mm ≤ 228mm.

5. A side draft range hood according to any one of claims 1 to 4, wherein an oil screen mounting hole is further formed at the front side of the housing (1), an oil screen (4) is arranged in the oil screen mounting hole, and the air inlet (11) is formed on the oil screen (4).

6. A side draft range hood according to claim 5, wherein mounting holes (41) are formed on the oil screen (4).

7. The side draft range hood according to any one of claims 1 to 4, wherein a smoke collection chamber (5) is provided in the housing (1), an inlet of the smoke collection chamber (5) is communicated with the air inlet (11), and an outlet of the smoke collection chamber (5) is communicated with an inlet of the fan.

8. The side-draft range hood according to claim 7, wherein the fan comprises a volute, a motor arranged in the volute and an impeller driven by the motor, an inlet of the volute is connected with an outlet of the smoke collection cavity (5), and an outlet of the volute is connected with the air outlet.

9. The side-draft range hood according to claim 7, wherein a wind guide ring (6) is further arranged in the smoke collection cavity (5), and an outlet of the smoke collection cavity (5) is formed in the wind guide ring (6).

10. A side draft range hood according to any of claims 1 to 4, wherein the smoke guide plate (3) is hinged with the housing (1) and has a closed state covering the air outlet of the housing (1).