CN216618024U

CN216618024U - Noise reduction type centrifugal fan based on improved structure

Info

Publication number: CN216618024U
Application number: CN202123370105.0U
Authority: CN
Inventors: 袁金国; 袁晴川; 董正刚; 曹为洋
Original assignee: Zhangjiagang Zhongxingcheng Special Equipment Co ltd
Current assignee: Zhangjiagang Zhongxingcheng Special Equipment Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-27
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a noise reduction type centrifugal fan based on an improved structure, and particularly relates to the technical field of noise reduction type centrifugal fans, which comprises a fan body, wherein a first through hole is formed in the rear side of the fan body, and a cooling mechanism is arranged on the rear side of the fan body; the cooling mechanism comprises a shell and a water pump, the water pump is arranged above the shell, the front side of the shell is in contact with the rear side of the fan body, a first pipeline is fixedly arranged on the front side of the shell, and the front end of the first pipeline extends into the first through hole. The utility model creates a comfortable indoor working environment through further reducing the indoor temperature of the cooling mechanism, wherein the design of the honeycomb structure of the cooling water curtain weakens the noise and prevents the noise pollution.

Description

Noise reduction type centrifugal fan based on improved structure

Technical Field

The utility model relates to the technical field of noise reduction type centrifugal fans, in particular to a noise reduction type centrifugal fan based on an improved structure.

Background

The air outlet of the centrifugal fan is not provided with a connecting pipe and is directly exposed in the atmosphere, a diffusion cylinder is usually arranged at the air outlet of the fan, so that the pressure loss and the air flow disturbance can be avoided, the height of the diffusion cylinder is equal to 1.5 times of the outlet width of the fan, an air inlet and an air outlet of the centrifugal fan are provided with obstacles, the back-blocking air flow is blocked to the fan, the air flow disturbance is caused, the system resistance is increased, the flow is reduced, the noise is increased, and the distance of 1.5 times of the diameter of the pipeline is at least ensured between the air inlet and the air outlet and the obstacles.

The prior art has the following defects: centrifugal fan does not shut down the work for a long time, and the heat that produces gives off not enough unblocked machine trouble that leads to, and the noise that general centrifugal fan produced is great for crowd's puzzlement that receives the noise on every side, and the cooling cascade receives soaking of rivers for a long time and lead to the structure impaired, the effect of cooling and making an uproar falls.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a noise reduction type centrifugal fan based on an improved structure, and aims to solve the problems that in the prior art, the centrifugal fan does not stop working for a long time, the generated heat is not sufficiently dissipated, so that the machine fails, the noise generated by a common centrifugal fan is large, surrounding people suffer from noise, a cooling water curtain is soaked by water flow for a long time, the structure is damaged, and the cooling and noise reduction effects are reduced.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: a noise reduction type centrifugal fan based on an improved structure comprises a fan body, wherein a first through hole is formed in the rear side of the fan body, and a cooling mechanism is arranged on the rear side of the fan body;

the utility model discloses a fan, including casing, fan body, cooling mechanism, fan body, casing, first pipeline, branch pipeline, cooling mechanism, water pump, fan body and first pipeline fixed connection, the inside of casing is equipped with to the front side of casing, the front end of first pipeline extends into the inside of first through-hole, the rear end of first pipeline extends into the inside of casing, fan body and first pipeline fixed connection, the inside of casing is equipped with the cooling cascade, the top of casing is equipped with a plurality of lateral conduits that distribute about, the fixed third pipeline that is equipped with in top of lateral conduit, the fixed L shape pipeline that is equipped with in top of third pipeline, the one end fixed connection of the one end of L shape pipeline and the outlet pipe of water pump, the fixed second pipeline that is equipped with in one end of the inlet tube of water pump, cooling mechanism makes the outside air get into indoor preceding by the cooling.

Furthermore, a one-way valve is fixedly arranged on the first pipeline, the one-way valve is arranged inside the shell, and the flow direction of air is controlled by the one-way valve.

Further, the bottom of water pump is fixed on the top of casing through the installation base, the fixed first electrically operated valve that is equipped with on the second pipeline, the installation base is fixed the water pump.

Further, the outer end of cooling cascade is equipped with the stainless steel frame, open form is processed into to the bottom of stainless steel frame, the side all contacts with the inner wall of stainless steel frame with controlling the side around the cooling cascade, the side is opened around the stainless steel frame is equipped with the second through-hole, the below at first pipeline is established to the second through-hole, and the rivers of cooling cascade are unobstructed in the setting up of stainless steel frame.

Further, the top of stainless steel frame is pegged graft and is had the upper cover, the inside at the casing is established to the upper cover, a plurality of third through-holes that distribute about are seted up on the top of upper cover, and a plurality of third through-holes are all established in the top and the one-to-one of lateral conduit, and are a plurality of the bottom of lateral conduit extends into the inside of casing and two fixed connection, the rear side of stainless steel frame is seted up and is equipped with the fourth through-hole, and the setting up of upper cover is convenient fixes the cooling cascade.

Further, one side of casing is articulated through the hinge and is had the chamber door, the fixed fourth pipeline that is equipped with in rear side of casing, the fourth through hole is just to the fourth pipeline, the fixed second electric valve that is equipped with on the fourth pipeline, the fixed filter screen that is equipped with in rear side of casing, the setting of chamber door makes cooling cascade be liable to change.

Furthermore, a first frame is fixedly arranged at the outer side of the front side of the fan body, a second frame is fixedly arranged at the outer side of the rear side of the shell, the first frame and the second frame are fixed through bolts and nuts, the bolts are arranged at the front side of the first frame, and the nuts are fixedly arranged at the rear side of the second frame, so that the fan body and the shell are easy to detach.

The embodiment of the utility model has the following advantages:

1. according to the utility model, water enters the interior of the stainless steel outer frame through the second pipeline, the L-shaped pipeline, the third pipeline and the branch pipelines through the water pump, and finally enters the interior of the stainless steel outer frame through the third through holes on the upper cover, so that the cooling water curtain is soaked, meanwhile, outside air is sucked into the interior of the shell through the filter screen on one side of the shell, a large amount of heat in the air is taken away by the water through the wet cooling water curtain, water is discharged out of the outside through the fourth through hole and the fourth pipeline on the rear side of the stainless steel outer frame, and the cooled air enters the room through the fan body through the first pipeline, compared with the prior art, the temperature in the room is further reduced through the cooling mechanism, so that a comfortable indoor working environment is created, wherein the noise is weakened through the design of the honeycomb structure of the cooling water curtain, and the noise pollution is prevented;

2. according to the utility model, the box door on one side of the shell is opened, the stainless steel outer frame is drawn out of the shell, the upper cover on the shell is opened, and the cooling water curtain can be replaced.

Drawings

FIG. 1 is a schematic view of an overall front view structure provided by the present invention;

FIG. 2 is a schematic view of an overall rear view structure provided by the present invention;

FIG. 3 is a rear view of the fan body separated from the housing according to the present invention;

FIG. 4 is a schematic structural view of a blower body separated from a housing according to the present invention;

FIG. 5 is a side cross-sectional structural view of the housing provided by the present invention;

FIG. 6 is a schematic overall side view of the present invention;

in the figure: 1. a fan body; 2. a first frame; 3. a bolt; 4. a second frame; 5. a nut; 6. a cooling mechanism; 7. a housing; 8. a first conduit; 9. a cooling water curtain; 10. a stainless steel outer frame; 11. an upper cover; 12. a water pump; 13. a second conduit; 14. a first electrically operated valve; 15. an L-shaped duct; 16. a third pipeline; 17. a branch pipe; 18. a box door; 19. a fourth conduit; 20. and (5) installing a base.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. 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.

With reference to fig. 1-6 in the specification, the noise reduction type centrifugal fan based on the improved structure in the embodiment includes a fan body 1, a first through hole is formed in the rear side of the fan body 1, and a cooling mechanism 6 is arranged on the rear side of the fan body 1;

the cooling mechanism 6 comprises a housing 7 and a water pump 12, the water pump 12 is arranged above the housing 7, the bottom end of the water pump 12 is fixedly arranged at the top end of the housing 7 through an installation base 20, the front side of the housing 7 is contacted with the rear side of the fan body 1, the front side of the housing 7 is fixedly provided with a first pipeline 8, the front end of the first pipeline 8 extends into the first through hole, the rear end of the first pipeline 8 extends into the housing 7, further, a check valve is fixedly arranged on the first pipeline 8 and is arranged inside the housing 7, the fan body 1 is fixedly connected with the first pipeline 8, the housing 7 is internally provided with a cooling water curtain 9, the outer end of the cooling water curtain 9 is provided with a stainless steel outer frame 10, the bottom end of the stainless steel outer frame 10 is processed into an open shape, the front side, the rear side, the left side and the right side of the cooling water curtain 9 are contacted with the inner wall of the stainless steel frame 10, a second through hole is formed in the front side and the rear side of the stainless steel outer frame 10, the second through hole is formed below the first pipeline 8, the stainless steel outer frame 10 fixes the cooling water curtain 9, a plurality of branch pipelines 17 distributed left and right are arranged above the shell 7, the bottom ends of the branch pipelines 17 extend into the shell 7 and are fixedly connected with the shell 7, a fourth through hole is formed in the rear side of the stainless steel outer frame 10, a third pipeline 16 is fixedly arranged at the top end of the branch pipeline 17, an L-shaped pipeline 15 is fixedly arranged at the top end of the third pipeline 16, one end of the L-shaped pipeline 15 is fixedly connected with one end of a water outlet pipe of the water pump 12, a second pipeline 13 is fixedly arranged at one end of a water inlet pipe of the water pump 12, a first electric valve 14 is fixedly arranged on the second pipeline 13, a first frame 2 is fixedly arranged at the outer side of the front side of the fan body 1, a second frame 4 is fixedly arranged at the outer side of the rear side of the shell 7, first frame 2 is fixed with second frame 4 through bolt 3 and nut 5, bolt 3 is established in the front side of first frame 2, nut 5 is fixed to be established in the rear side of second frame 4, the fixed fourth pipeline 19 that is equipped with in rear side of casing 7, the fourth cross hole is just to fourth pipeline 19, the fixed second electric valve that is equipped with on the fourth pipeline 19, the fixed filter screen that is equipped with in rear side of casing 7, cooling mechanism cools down the indoor air of external entering.

The implementation scenario is specifically as follows: the device is arranged in a wall body, one side of a fan body 1 extends into a room, one side of a shell 7 is communicated with the outside, the fan body 1 is started, the fan body 1 works to accelerate indoor air flow, one end of a second pipeline 13 is communicated with a water pipe and a water pump 12 is started, the water pump 12 works to suck water into the shell 7 through the second pipeline 13, an L-shaped pipeline 15, a third pipeline 16 and a plurality of branch pipelines 17 and finally enters the inside of a stainless steel outer frame 10 through a plurality of third through holes on an upper cover 11, so that a cooling water curtain 9 is soaked, meanwhile, outside air is sucked into the shell 7 through a filter screen on one side of the shell 7, the air passes through a humid cooling water curtain 9, a large amount of heat in the air is taken away by the water, the water is exhausted outside through a fourth through hole and a fourth pipeline 19 on the rear side of the stainless steel outer frame 10, the cooled air passes through the first pipeline 8 and then enters the room, this device advances to reduce through the indoor temperature of cooling mechanism, creates comfortable indoor operational environment, wherein the honeycomb structure's of cooling cascade 9 design weakens the noise, prevents to produce noise pollution, and the work that centrifugal fan did not shut down for a long time among the prior art has specifically been solved to this embodiment, and the heat that produces gives off not enough unblocked and leads to the machine trouble, and the noise that general centrifugal fan produced is great for crowd's problem of the puzzlement of noise on every side.

Referring to the attached drawing 5 in the specification, in the noise reduction centrifugal fan based on the improved structure, the top end of the stainless steel outer frame 10 is inserted with the upper cover 11, the upper cover 11 is arranged inside the casing 7, the top end of the upper cover 11 is provided with a plurality of third through holes distributed left and right, the third through holes are all arranged above the branch pipelines 17 and are in one-to-one correspondence, and one side of the casing 7 is hinged with the box door 18 through the hinge, so that the cooling water curtain 9 can be conveniently replaced by the device.

The implementation scenario is specifically as follows: open the chamber door 18 of casing 7 one side, take stainless steel frame 10 out the outside of casing 7, open upper cover 11 on the casing 7, can change cooling cascade 9, prevent that cooling cascade 9 from receiving the soaking of rivers for a long time and leading to the structure impaired, ensured good cooling and the effect of making an uproar that falls, this embodiment has specifically solved among the prior art cooling cascade and has received the soaking of rivers for a long time and lead to the structure impaired, the problem that the effect of cooling and making an uproar falls.

Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims

1. The utility model provides a type of making an uproar centrifugal fan falls based on improve structure, includes fan body (1), its characterized in that: a first through hole is formed in the rear side of the fan body (1), and a cooling mechanism (6) is arranged on the rear side of the fan body (1);

the cooling mechanism (6) comprises a shell (7) and a water pump (12), the water pump (12) is arranged above the shell (7), the front side of the shell (7) is in contact with the rear side of the fan body (1), a first pipeline (8) is fixedly arranged on the front side of the shell (7), the front end of the first pipeline (8) extends into the interior of the first through hole, the rear end of the first pipeline (8) extends into the interior of the shell (7), the fan body (1) is fixedly connected with the first pipeline (8), a cooling water curtain (9) is arranged inside the shell (7), a plurality of branch pipelines (17) distributed left and right are arranged above the shell (7), a third pipeline (16) is fixedly arranged at the top end of the branch pipeline (17), an L-shaped pipeline (15) is fixedly arranged at the top end of the L-shaped pipeline (15), and one end of the water outlet pipe of the water pump (12) is fixedly connected with one end of the L-shaped pipeline (15), and a second pipeline (13) is fixedly arranged at one end of a water inlet pipe of the water pump (12).

2. The noise reduction type centrifugal fan based on the improved structure according to claim 1, is characterized in that: the fan is characterized in that a first frame (2) is fixedly arranged at the outer end of the front side of the fan body (1), a second frame (4) is fixedly arranged at the outer end of the rear side of the shell (7), the first frame (2) and the second frame (4) are fixed through bolts (3) and nuts (5), the bolts (3) are arranged at the front side of the first frame (2), and the nuts (5) are fixedly arranged at the rear side of the second frame (4).

3. The noise reduction type centrifugal fan based on the improved structure according to claim 1, is characterized in that: the first pipeline (8) is fixedly provided with a one-way valve, and the one-way valve is arranged inside the shell (7).

4. The noise reduction type centrifugal fan based on the improved structure according to claim 1, is characterized in that: the outer end of cooling cascade (9) is equipped with stainless steel frame (10), open form is processed into to the bottom of stainless steel frame (10), the side all contacts with the inner wall of stainless steel frame (10) with controlling the side around cooling cascade (9), the side is opened around stainless steel frame (10) and is equipped with the second through-hole, the below at first pipeline (8) is established to the second through-hole.

5. The noise reduction type centrifugal fan based on the improved structure is characterized in that: the top of stainless steel frame (10) is pegged graft and is had upper cover (11), establish the inside at casing (7) in upper cover (11), a plurality of third through-holes that distribute about seted up on the top of upper cover (11), a plurality of third through-holes are all established in the top and the one-to-one of lateral conduit (17), and are a plurality of the bottom of lateral conduit (17) extends into the inside and the two fixed connection of casing (7), the rear side of stainless steel frame (10) is opened and is equipped with the fourth through-hole.

6. The noise reduction type centrifugal fan based on the improved structure according to claim 1, is characterized in that: the bottom end of the water pump (12) is fixedly arranged at the top end of the shell (7) through a mounting base (20), and a first electric valve (14) is fixedly arranged on the second pipeline (13).

7. The noise reduction type centrifugal fan based on the improved structure is characterized in that: one side of casing (7) is articulated through the hinge and is had chamber door (18), the fixed fourth pipeline (19) that are equipped with in rear side of casing (7), the fourth through hole is just to fourth pipeline (19), the fixed second electric valve that is equipped with on fourth pipeline (19), the fixed filter screen that is equipped with in rear side of casing (7).