CN218820589U

CN218820589U - Fume exhaust fan

Info

Publication number: CN218820589U
Application number: CN202320035535.7U
Authority: CN
Inventors: 黎振豪; 吴启航
Original assignee: Guangdong Atlan Electronic Appliance Manufacture Co Ltd
Current assignee: Guangdong Atlan Electronic Appliance Manufacture Co Ltd
Priority date: 2023-01-07
Filing date: 2023-01-07
Publication date: 2023-04-07
Anticipated expiration: 2033-01-07

Abstract

The utility model discloses a range hood, including the range hood main part, still include the generator module and be used for being driven moving impeller by cigarette machine air outlet combustion gas stream, impeller drive connects the generator module, the range hood main part includes the shell, the cigarette machine air outlet is formed with the top in the shell, cigarette machine air outlet switch-on is connected with cigarette machine air-out and connects, the lower extreme that cigarette machine air-out connects is equipped with the flange, the upper end that cigarette machine air-out connects is equipped with the air-out and connects the pipe, the flange is fixed in the top of shell, the pipe switch-on is connected with the impeller shell in the air-out, generator module and impeller setting are in the impeller shell, the impeller shell switch-on is connected with the exhaust pipe that is used for connecting the flue of building, the internal diameter of impeller shell is greater than the internal diameter of exhaust pipe and the internal diameter that the air-out connects the pipe. The utility model discloses a range hood is less to the influence of the emission of oil fume gas stream, and the running noise is lower moreover.

Description

Cooking fume exhauster

Technical Field

The utility model relates to a range hood field.

Background

At present, a fan is arranged in a range hood, when the fan operates, oil smoke gas flow is sucked and then discharged, and gas discharged from an air outlet of the range hood flows through an exhaust pipe and is discharged into a flue of a building. In order to recover wind energy, chinese utility model patent with publication number CN217216070U discloses a smoke exhaust ventilator power generation circuit and a smoke exhaust ventilator: converting wind energy generated by the range hood into electric energy through the power generation module; however, the wind energy generator is arranged in the narrowed wind pipe section, and the large resistance of the narrowed wind pipe section to the flow of the airflow is not considered, so that the discharge of the oil smoke gas flow is not facilitated, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a range hood, it is less to the influence of the emission of oil smoke gas stream.

The purpose of the utility model is realized by the following technical scheme.

The utility model discloses a range hood, which comprises a range hood main body, wherein the range hood main body is provided with a range hood air outlet; still include generator set spare and be used for by cigarette machine air outlet combustion air drives moving impeller, impeller drive connects generator set spare, wherein, the range hood main part includes the shell, the cigarette machine air outlet be formed with in the top of shell, cigarette machine air outlet switch-on is connected with cigarette machine air-out and connects, the lower extreme that cigarette machine air-out connects is equipped with the flange, the upper end that cigarette machine air-out connects is equipped with the air-out and connects the pipe, the flange is fixed in the top of shell, the air-out is connected the pipe switch-on and is connected with the impeller shell, generator set spare reaches the impeller sets up in the impeller shell, the impeller shell switch-on is connected with the exhaust pipe that is used for connecting the flue of building, the internal diameter of impeller shell is greater than the internal diameter of exhaust pipe reaches the internal diameter of pipe is connected to the air-out.

Preferably, the impeller and the impeller shell are arranged coaxially, the smoke machine air outlet connector and the impeller shell are arranged coaxially, and the axis of the impeller is vertically arranged.

Preferably, the impeller tube includes tube main part, tube air inlet interface and tube air-out interface, the lower extreme of tube main part with be formed with the air inlet reducing pipe between the tube air inlet interface, the upper end of tube main part with be formed with the air-out reducing pipe between the tube air-out interface, tube air inlet interface with the pipe is connected to the air-out, tube air-out interface with the exhaust pipe is connected.

Preferably, the pipe shell air inlet interface is fittingly sleeved outside the air outlet connecting circular pipe, a convex buckling block is formed on the outer side of the air outlet connecting circular pipe, a buckling hole is formed on the pipe shell air inlet interface, and the convex buckling block is buckled with the buckling hole.

Preferably, the range hood of the utility model further comprises an energy storage device, the energy storage device is electrically connected with the generator assembly, and the energy storage device is arranged at the top of the shell.

Compared with the prior art, the utility model, its beneficial effect is: the internal diameter through setting up the impeller tube is greater than the internal diameter of exhaust pipe and the internal diameter that the pipe was connected to the air-out, is favorable to oil smoke gas stream then to pass through from the impeller tube, is favorable to noise reduction moreover, so the utility model discloses a range hood is less to the influence of the emission of oil smoke gas stream.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the range hood of the present invention.

Fig. 2 is an exploded view of the range hood of the present invention.

Fig. 3 is a schematic view of the sectional structure of the range hood of the present invention.

Fig. 4 is a schematic perspective view of the impeller casing according to the present invention.

Fig. 5 is a partial structural view of a portion a of fig. 3.

Description of reference numerals: a range hood main body 1; a housing 11; an air outlet 101 of the range hood; the air outlet joint 2 of the smoke machine; a flange 201; the air outlet is connected with the circular pipe 202; a male buckle block 2021; an impeller casing 3; a case main body 301; a shell air inlet interface 302; a button hole 3021; a shell air outlet port 303; an inlet reducer pipe 304; an air outlet reducer 305; an exhaust duct 4; an energy storage device 5; an impeller 6; a generator assembly 7; an electrical box 9.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The range hood of the utility model, as shown in fig. 1 to 3, comprises a range hood main body 1, wherein the range hood main body 1 is provided with a range hood air outlet 101; the utility model discloses a range hood still includes generator set spare 7 and is used for being driven moving impeller 6 by cigarette machine air outlet 101 combustion gas, impeller 6 drive connection generator set spare 7, impeller 6 can the coaxial line setting with generator set spare 7's pivot, as shown in fig. 2, range hood main part 1 includes shell 11, cigarette machine air outlet 101 is formed with the top in shell 11, the fan setting of range hood main part 1 is in the inside of shell 11, as shown in fig. 1 and 2, cigarette machine air outlet 101 switch-on is connected with cigarette machine air-out and connects 2, the lower extreme that cigarette machine air-out connects 2 is equipped with flange 201, flange 201 can be square flange, the upper end that cigarette machine air-out connects 2 is equipped with air-out and connects pipe 202, flange 201 can be through the top of fix with screw in shell 11, air-out connection pipe 202 switch-on is connected with impeller shell 3, as shown in fig. 3, generator set spare 7 and impeller 6 set up in impeller shell 3, can set up the support that is used for supporting generator set spare 7 on impeller shell 3's the inner wall.

As shown in fig. 1 to fig. 3, the impeller tube 3 is connected to the exhaust pipe 4 for connecting the flue of the building, as shown in fig. 3, the inner diameter of the impeller tube 3 (i.e. the size "X" shown in fig. 3) is greater than the inner diameter of the exhaust pipe 4 (i.e. the size "Y" shown in fig. 3) and the inner diameter of the air outlet connecting pipe 202 (i.e. the size "Z" shown in fig. 3), the inner diameter of the exhaust pipe 4 is substantially the same as the inner diameter of the air outlet connecting pipe 202, in other words, the air duct section for accommodating the impeller 6 is processed by widening, which is beneficial to reducing the wind resistance, so as to be beneficial to the oil smoke flow passing through the impeller tube 3 and reducing the noise, thereby reducing the influence on the discharge of the oil smoke flow caused by the impeller 6, so the range hood of the present invention has less influence on the discharge of the oil smoke flow.

Further, as shown in fig. 1 to 3, the impeller 6 and the impeller shell 3 are coaxially arranged, the smoke exhaust connector 2 and the impeller shell 3 are coaxially arranged, the axis of the impeller 6 is vertically arranged, that is, the impeller shell 3 is vertically arranged, and because the temperature of the oil smoke gas flow is higher, the oil smoke gas flow can flow upwards, and the oil smoke gas flow can smoothly pass through the impeller shell 3 by arranging the vertically arranged impeller shell 3.

Further, as shown in fig. 4, the impeller tube 3 includes a tube main body 301, a tube air inlet interface 302 and a tube air outlet interface 303, the shapes of the tube main body 301, the tube air inlet interface 302 and the tube air outlet interface 303 are all cylindrical, an air inlet reducer 304 is formed between the lower end of the tube main body 301 and the tube air inlet interface 302, an air outlet reducer 305 is formed between the upper end of the tube main body 301 and the tube air outlet interface 303, the tube air inlet interface 302 is connected with the air outlet connection round pipe 202, and the tube air outlet interface 303 is connected with the exhaust pipe 4. By arranging the air inlet reducer 304 and the air outlet reducer 305, the air flow can be smoothly transited when flowing through the impeller casing 3. As shown in fig. 3, the "inner diameter of the impeller shell 3" described above is the inner diameter of the shell main body 301, and the impeller 6 is disposed in the shell main body 301.

Further, as shown in fig. 3 and 5, the tube shell air inlet port 302 is fittingly sleeved outside the air outlet connection circular tube 202, a convex buckle block 2021 is formed on the outer side of the air outlet connection circular tube 202, a buckle hole 3021 is formed on the tube shell air inlet port 302, and the convex buckle block 2021 is buckled with the buckle hole 3021, so that the impeller tube shell 3 and the cigarette machine air outlet connector 2 are conveniently and quickly assembled and connected.

Further, as shown in fig. 1 to 3, the range hood of the present invention further includes an energy storage device 5, wherein the energy storage device 5 is electrically connected to the generator assembly 7, and the energy storage device 5 is disposed at the top of the housing 11, so that the energy storage device 5 can be conveniently detached for maintenance. The electrical box 9 can be arranged on the top of the housing 11 for easy maintenance.

When the range hood normally works, oil smoke discharged from the range hood air outlet connector 2 flows to the impeller tube shell 3, the oil smoke flows are discharged through the exhaust pipe 4, the impeller 6 is pushed by the oil smoke flows to rotate, the impeller 6 drives the generator assembly 7 to operate and generate electricity, electric energy generated by the generator assembly 7 is transmitted to the energy storage device 5, the energy storage device 5 stores the electric energy and can be used for other illumination under emergency conditions, and the electric energy generated by the generator assembly 7 can also be directly supplied to electrical appliances such as illumination lamps of the range hood, so that energy conservation is facilitated.

Claims

1. A range hood comprises a range hood main body (1), wherein the range hood main body (1) is provided with a range hood air outlet (101); still include generator module (7) and be used for by cigarette machine air outlet (101) exhaust air current drive running's impeller (6), impeller (6) drive connection generator module (7), characterized by: range hood main part (1) includes shell (11), cigarette machine air outlet (101) be formed with in the top of shell (11), cigarette machine air outlet (101) switch-on is connected with cigarette machine air-out and connects (2), the lower extreme that cigarette machine air-out connects (2) is equipped with flange (201), the upper end that cigarette machine air-out connects (2) is equipped with air-out and connects pipe (202), flange (201) are fixed in the top of shell (11), air-out is connected pipe (202) switch-on and is connected with impeller tube (3), generator subassembly (7) reach impeller (6) set up in impeller tube (3), impeller tube (3) switch-on is connected with exhaust pipe (4) that are used for connecting the flue of building, the internal diameter of impeller tube (3) is greater than the internal diameter of exhaust pipe (4) reaches the internal diameter of air-out connection pipe (202).

2. The range hood of claim 1, wherein: the impeller (6) and the impeller tube shell (3) are coaxially arranged, the smoke machine air outlet connector (2) and the impeller tube shell (3) are coaxially arranged, and the axis of the impeller (6) is vertically arranged.

3. The range hood of claim 2, wherein: impeller tube (3) include tube main part (301), tube air inlet interface (302) and tube air-out interface (303), the lower extreme of tube main part (301) with be formed with air inlet reducing pipe (304) between tube air inlet interface (302), the upper end of tube main part (301) with be formed with air-out reducing pipe (305) between tube air-out interface (303), tube air inlet interface (302) with pipe (202) are connected to the air-out, tube air-out interface (303) with exhaust pipe (4) are connected.

4. The range hood of claim 3, wherein: the air-out connection round pipe is characterized in that the pipe shell air inlet connector (302) is sleeved outside the air-out connection round pipe (202) in an adaptive mode, a convex buckle block (2021) is formed on the outer side of the air-out connection round pipe (202), a buckle hole (3021) is formed in the pipe shell air inlet connector (302), and the convex buckle block (2021) is buckled with the buckle hole (3021).

5. The range hood of claim 1, wherein: the energy storage device (5) is electrically connected with the generator assembly (7), and the energy storage device (5) is arranged at the top of the shell (11).