CN217383053U

CN217383053U - Range hood with noise reduction function

Info

Publication number: CN217383053U
Application number: CN202220905834.7U
Authority: CN
Inventors: 何国庆; 何洁; 张小红
Original assignee: Zhejiang Aoer Electric Appliance Co ltd
Current assignee: Zhejiang Aoer Electric Appliance Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-09-06
Anticipated expiration: 2032-04-19

Abstract

The utility model discloses a lampblack absorber with function of making an uproar falls, including lampblack absorber main part and the wind cabinet of setting in the lampblack absorber main part, fixed mounting has the amortization spiral case in the wind cabinet, the amortization spiral case includes spiral case body and sets up the damping layer on spiral case body inner wall, be provided with the polylith on the spiral case body and separate the baffle, the wind cabinet is including setting up four panels at lampblack absorber main part top, four the panel, both ends all are provided with the fixed strip, two about the panel is close to the board side of making an uproar falls and all set up the draw-in groove that the board was pegged graft is fallen in the confession on the relative side of fixed strip, the air outlet department that the spiral case body extends to the wind cabinet outside is connected with the pipe of discharging fume. The utility model discloses a lampblack absorber with function of making an uproar falls when using the noise reduction that can be great.

Description

Range hood with noise reduction function

Technical Field

The utility model relates to a lampblack absorber technical field, concretely relates to lampblack absorber with function of making an uproar is fallen.

Background

In the operation process of the range hood, a fan inside a shell of the range hood operates to suck the inside of the shell into a negative pressure state, and external oil smoke enters the inside of the shell under the action of internal and external pressure difference and is discharged out of the shell after flowing through an air duct of the fan; the inside oil smoke gas stream that flows of casing receives the change influence of flow cross-section, and speed changes, can lead to the formation of vortex, and oil smoke gas stream and shells inner wall take place direct collision and arouse the pulsation phenomenon of air current, and the inside vortex that forms of casing and pulsation phenomenon not only can produce great noise pollution, and has reduced the suction purification efficiency of fan to the inside oil smoke gas stream of casing.

The existing noise reduction measures have poor noise reduction effect, so that the noise pollution generated during the running of the fan is still serious.

Disclosure of Invention

The utility model aims at solving the problem among the prior art, provide a lampblack absorber with function of making an uproar is fallen to it is poor to solve the measure noise reduction effect of making an uproar that falls that exists among the prior art, causes the still comparatively serious technical problem of noise pollution that produces when the fan moves.

In order to achieve the above purpose, the technical scheme of the utility model is that:

the utility model provides a lampblack absorber with function of making an uproar is fallen, includes lampblack absorber main part and sets up the wind cabinet in the lampblack absorber main part, fixed mounting has the amortization spiral case in the wind cabinet, the amortization spiral case includes the spiral case body and sets up the damping layer on spiral case body inner wall, be provided with the polylith on the spiral case body and separate the baffle, the wind cabinet is including setting up four panels at lampblack absorber main part top, four the panel, the panel is close to and falls to fall about the board side of making an uproar both ends all be provided with the fixed strip, two all set up the draw-in groove that the board was pegged graft of making an uproar of confession on the relative side of fixed strip, the air outlet department that the spiral case body extends to the wind cabinet outside is connected with the pipe of discharging fume.

Preferably, the damping layer is bonded on the inner wall of the volute body and is made of asphalt high-damping material.

Preferably, the plurality of partition plates are arranged at the air inlet of the volute body, each partition plate effectively shields 1/3 with the height not less than the effective radius of the air inlet of the volute body against the air inlet of the volute body, and the partition plates are arranged in a downward inclination mode relative to the side face of the air outlet of the volute body.

Preferably, the pipe of discharging fume includes the first exhaust pipe with spiral case body air outlet intercommunication, the first exhaust pipe other end is connected with the return bend, the other end of return bend is connected with the second and discharges fume the pipe, the one end that first exhaust pipe is close to spiral case body air outlet is provided with first muffler, the second is discharged fume the one end that the pipe kept away from the return bend and is provided with the second muffler.

Preferably, four panels are fixedly connected with the periphery of the air cabinet through screws, a noise reduction plate is fixed on one side face, close to the volute body, of each panel, and a plurality of noise reduction holes are formed in the noise reduction plate.

The beneficial effects of the utility model are that:

1. the utility model discloses a set up the polylith at spiral case body air intake and separated the plate washer, and separated the plate washer downward sloping setting for during the oil smoke can enter into the spiral case body through two wind channels, so both can improve fan blade efficiency, simultaneously can also the noise reduction.

2. The utility model discloses a set up the damping layer at spiral case body inner wall, and the damping layer covers whole spiral case body inner wall, can reduce the radiation noise.

3. The utility model discloses all set up the board of making an uproar that falls at the wind cabinet inner wall, and fall the draw-in groove that the board of making an uproar was pegged graft to setting up on the panel in, noise that both can greatly reduced motor and fan blade produced when the operation in the spiral case body, convenient to detach clearance again.

4. The utility model discloses all set up the muffler at the pipe both ends of discharging fume, can effectively reduce noise pollution, improve user's use comfort.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the wind cabinet of the present invention;

FIG. 3 is a schematic view of the volute of the present invention;

FIG. 4 is a schematic structural view of the smoke exhaust pipe of the present invention;

fig. 5 is a schematic structural view of the junction of the noise reduction plate of the present invention.

Detailed Description

In order to make the technical field of the invention better understand, the invention is further described in detail with reference to the accompanying drawings and embodiments.

As shown in fig. 1-5, a lampblack absorber with function of making an uproar falls, includes lampblack absorber main part 1 and sets up the wind cabinet 2 in lampblack absorber main part 1, fixed mounting has amortization spiral case 31 in the wind cabinet 2, amortization spiral case 31 includes spiral case body 34 and sets up the damping layer 32 on spiral case body 34 inner wall, be provided with the polylith on spiral case body 34 and separate baffle 33, wind cabinet 2 is including setting up four panels 21 at 1 top of lampblack absorber main part, four panel 21 encloses into a whole, and the panel is inside to be provided with and to fall board 22 of making an uproar, both ends all are provided with fixed strip 212, two about being close to board 22 a side of making an uproar fall of panel 21 both ends all are provided with the draw-in groove 211 that supplies to fall the board 22 of making an uproar and peg graft on the relative side of fixed strip 212, the air outlet department that spiral case body 34 extends to the wind cabinet 2 outside is connected with smoke exhaust pipe 4.

The damping layer 32 is bonded on the inner wall of the volute body 34, and the damping layer 32 is made of asphalt high-damping material.

The plurality of partition plates 33 are arranged at the air inlet of the volute body 34, each partition plate 33 effectively shields 1/3 with the height not less than the effective radius of the air inlet of the volute body 34 from the air inlet of the volute body 34, the partition plates 33 are arranged in a downward inclined mode relative to the side face of the air outlet of the volute body 34, and in the implementation process, the partition plates are arranged in a downward inclined mode, so that oil smoke can enter the volute body through two air channels, the fan blade efficiency can be improved, and meanwhile noise can be reduced

Discharge fume pipe 4 includes the first exhaust pipe 41 with spiral case body 34 air outlet intercommunication, the first exhaust pipe 41 other end is connected with return bend 44, the other end of return bend 44 is connected with the second and discharges fume pipe 45, the one end that first exhaust pipe 41 is close to spiral case body 34 air outlet is provided with first muffler 42, the one end that return bend 44 was kept away from to second exhaust pipe 45 is provided with second muffler 46, at implementation in-process, can effectively reduce noise pollution, improves user's use comfort.

Four panels 21 are fixedly connected with the periphery of the wind cabinet 2 through screws, a noise reduction plate 22 is fixed on one side surface of each panel 21 close to the volute body 34, and a plurality of noise reduction holes 23 are formed in the noise reduction plate 22.

During the use, start the lampblack absorber, the motor drives the fan blade and rotates, the oil smoke is brought into the spiral case that sets up in the wind cabinet, owing to set up polylith baffle plate in spiral case body air intake department, become a plurality of wind channels with the air intake from single wind channel, the oil smoke enters into the spiral case body from a plurality of wind channels, both can improve fan blade efficiency, also can the noise reduction, the oil smoke enters into the pipe of discharging fume through spiral case body air outlet, owing to set up the muffler in first exhaust pipe and spiral case body air outlet junction, can effectively reduce noise pollution, user's use comfort level is improved. The utility model discloses simple structure, the design is convenient, has all set up the structure that can the noise reduction at every structure position of oil smoke process, greatly reduced the noise pollution that equipment produced when the operation, improved the comfort level of kitchen culinary art simultaneously.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a lampblack absorber with function of making an uproar is fallen which characterized in that: comprises a range hood main body (1) and an air cabinet (2) arranged on the range hood main body (1), a silencing volute (31) is fixedly arranged in the air cabinet (2), the silencing volute (31) comprises a volute body (34) and a damping layer (32) arranged on the inner wall of the volute body (34), a plurality of baffle plates (33) are arranged on the volute body (34), the wind cabinet (2) comprises four panels (21) arranged at the top of the range hood main body (1), the four panels (21) are enclosed into a whole, a noise reduction plate (22) is arranged inside the panels, the upper end and the lower end of one side surface of the panel (21) close to the noise reduction plate (22) are respectively provided with a fixing strip (212), the opposite side surfaces of the two fixing strips (212) are respectively provided with a clamping groove (211) for the insertion of the noise reduction plate (22), an air outlet of the volute body (34) extending to the outer side of the air cabinet (2) is connected with a smoke exhaust pipe (4).

2. A range hood with noise reduction function according to claim 1, characterized in that: the damping layer (32) is bonded on the inner wall of the volute body (34), and the damping layer (32) is made of asphalt high-damping materials.

3. A range hood with noise reduction function according to claim 1, characterized in that: the plurality of partition plates (33) are arranged at the air inlet of the volute body (34), the effective shielding height of each partition plate (33) for the air inlet of the volute body (34) is not less than 1/3 of the effective radius of the air inlet of the volute body (34), and the partition plates (33) are arranged in a downward inclined mode relative to the side face of the air outlet of the volute body (34).

4. A range hood with a noise reduction function according to claim 1, wherein: discharge fume pipe (4) include with first exhaust pipe (41) of spiral case body (34) air outlet intercommunication, first exhaust pipe (41) other end is connected with return bend (44), the other end of return bend (44) is connected with second and discharges fume pipe (45), first exhaust pipe (41) are close to the one end of spiral case body (34) air outlet and are provided with first muffler (42), the second is discharged fume the one end that pipe (45) kept away from return bend (44) and is provided with second muffler (46).

5. A range hood with noise reduction function according to claim 1, characterized in that: the wind cabinet (2) is all around through screw fixed connection by four panels (21), every panel (21) all are fixed with on the side of being close to spiral case body (34) and fall board (22) of making an uproar, fall and seted up a plurality of holes (23) of making an uproar on board (22) of making an uproar.