CN213810983U

CN213810983U - New fan of low noise

Info

Publication number: CN213810983U
Application number: CN202022725226.1U
Authority: CN
Inventors: 陈泽民
Original assignee: Jiangsu Zhimin Ventilation Equipment Co ltd
Current assignee: Jiangsu Zhimin Ventilation Equipment Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-07-27
Anticipated expiration: 2030-11-23

Abstract

The utility model relates to a new fan technical field, specifically speaking relates to a new fan of low noise. It includes the organism and fixed connection falls the groove of making an uproar in bottom of the organism, two wind gaps have respectively been seted up to the organism both sides, fall the inslot portion of making an uproar and be equipped with the board of making an uproar, fall groove upper surface one side of making an uproar and seted up a plurality of screws, fall the groove of making an uproar and screw corresponding position and seted up the through-hole, it is equipped with the screw to fall the board below of making an uproar, screw one end is equipped with the external screw thread, external screw thread and screw looks adaptation, the screw passes the through-hole and is connected with the screw. The utility model discloses the purpose of making an uproar is realized falling to the board of making an uproar that falls that is equipped with porous structure in the groove of making an uproar of bottom of the body, because the principle of falling the sound absorption of the board of making an uproar is not heat energy with the sound energy conversion, so set up the absorber plate and come for falling the cooling of the board of making an uproar, make the effect of making an uproar better.

Description

New fan of low noise

Technical Field

The utility model relates to a new fan technical field, specifically speaking relates to a new fan of low noise.

Background

The fresh air machine is a common air interchanger, the working principle of the fresh air machine is that the full heat exchanger is utilized to exchange the temperature of dirty air exhausted indoors and fresh air sent outdoors through the heat transfer plate, and simultaneously, the humidity is exchanged through the micropores on the plate, so that the effects of ventilating and maintaining the indoor temperature and humidity stability are achieved, the fresh air machine is generally arranged indoors, and when the fresh air machine works, noise can be generated to influence the life of people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a new fan of low noise to solve the problem that proposes in the above-mentioned background art.

In order to achieve the purpose, the utility model provides a new fan of low noise, including organism and the groove of making an uproar of fixed connection making an uproar in bottom of the body, two wind gaps have respectively been seted up to the organism both sides, it is equipped with the board of making an uproar to fall the inslot portion of making an uproar, it has seted up a plurality of screws to fall groove upper surface one side of making an uproar, it has seted up the through-hole with the screw corresponding position to fall the groove of making an uproar, it is equipped with the screw to fall the board below of making an uproar, screw one end is equipped with the external screw thread, external screw thread and screw looks adaptation, the screw passes the through-hole and is connected with the screw.

As a further improvement of the technical scheme, a heat absorbing plate is arranged below the noise reduction plate, and the heat absorbing plate is attached to the noise reduction plate.

As a further improvement of the technical scheme, a plurality of through holes are formed in the heat absorbing plate, a plurality of through holes are formed in the bottom of the noise reduction groove, and the screws penetrate through the through holes in the noise reduction groove, the noise reduction plate and the heat absorbing plate and are connected with the screw holes.

As a further improvement of the technical scheme, one side of the noise reduction plate is provided with a dustproof plate, one side of the dustproof plate is integrally formed with a connecting column, one side of the noise reduction plate is provided with a connecting port, and the connecting column is in plug-in fit with the connecting port.

As a further improvement of the technical scheme, an air pipe is inserted and connected to the outer side of the air port, a drainage pipe is welded to the bottom of the air pipe, and the other end of the drainage pipe is located on one side of the noise reduction groove.

As a further improvement of the technical scheme, heat dissipation holes are formed in the periphery of the inner wall of the noise reduction groove.

As a further improvement of the technical scheme, a cover is arranged at the port of the drainage tube, and the cover is in plug-in fit with the port of the drainage tube.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the low-noise fresh air machine, the noise reduction plate with the porous structure is arranged in the noise reduction groove at the bottom of the machine body to achieve the purpose of noise reduction, and the noise absorption principle of the noise reduction plate is that sound energy is converted into nonthermal energy, so that the heat absorption plate is arranged to cool the noise reduction plate, and the noise reduction effect is better.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a schematic view of a noise reduction groove structure according to embodiment 1;

fig. 3 is a schematic structural view of a noise reduction plate and a heat absorbing plate of embodiment 1;

fig. 4 is a schematic structural diagram of the body of embodiment 1.

The various reference numbers in the figures mean:

100. a body; 110. a tuyere; 120. an air duct; 130. a drainage tube; 140. a cover;

200. a noise reduction groove; 210. a noise reduction plate; 220. a heat absorbing plate; 230. a through hole; 240. a screw hole; 250. a dust-proof plate; 260. connecting columns; 270. a connecting port; 280. heat dissipation holes;

290. a screw; 291. and (4) external threads.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element 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

Referring to fig. 1-4, the present invention provides a low noise fresh air machine, which comprises a machine body 100 and a noise reduction groove 200 fixedly connected to the bottom of the machine body 100, wherein the inside of the machine body 100 is a fresh air machine structure, the working principle of the fresh air machine is known to those skilled in the art, and the working principle of the fresh air machine is to utilize a total heat exchanger to exchange the temperature of the dirty air discharged indoors and the fresh air sent outdoors through a heat transfer plate, and exchange the humidity through the micropores on the plate, thereby achieving the effects of ventilating and keeping the indoor temperature and humidity stable. This is the total heat exchange process. When the total heat exchanger operates in a refrigerating period in summer, the fresh air obtains cold from the exhaust air to reduce the temperature and is dried by the exhaust air to reduce the humidity of the fresh air, when the total heat exchanger operates in a refrigerating period in winter, the fresh air obtains heat from the exhaust air to increase the temperature and is humidified by the exhaust air, two air ports 110 are respectively arranged at two sides of the machine body 100, a noise reduction plate 210 is arranged in the noise reduction groove 200, the noise reduction plate 210 is made of porous structure materials such as glass wool, and the like, and the sound absorption principle of the porous structure is known, so that when sound waves are incident on the porous materials, the sound waves can enter the materials along micropores to cause the vibration of the air in the gaps. Due to the viscous resistance of air, the friction between air and the hole wall, the heat conduction effect and the like, a considerable part of sound energy is converted into heat energy and is lost, so that the purpose of sound absorption is achieved, one side of the upper surface of the noise reduction groove 200 is provided with a plurality of screw holes 240, the noise reduction groove 200 is provided with a through hole 230 corresponding to the screw holes 240, a screw 290 is arranged below the noise reduction plate 210, one end of the screw 290 is provided with an external thread 291, the external thread 291 is matched with the screw holes 240, the screw 290 penetrates through the through hole 230 to be connected with the screw holes 240, and the screw 290 is used for fixing the noise reduction plate 210 to prevent the fresh air blower from loosening due to vibration during working.

In this embodiment, the below of falling the board 210 of making an uproar is equipped with the absorber plate 220, the absorber plate 220 with fall the laminating of the board 210 of making an uproar, because the theory of operation of falling the board 210 of making an uproar is the heat energy with acoustic energy transformation, so fall the board 210 of making an uproar and probably lead to the noise reduction effect not good because the summer high temperature, the absorber plate 220 can adopt heat-retaining materials such as rock wool, the absorber plate 220 can reduce the temperature of falling the board 210 of making an uproar when falling the board 210 temperature of making an uproar and being greater than self.

Furthermore, a plurality of through holes 230 are formed in the heat absorbing plate 220, a plurality of through holes 230 are formed in the bottom of the noise reduction groove 200, screws 290 penetrate through the through holes 230 formed in the noise reduction groove 200, the noise reduction plate 210 and the heat absorbing plate 220 to be connected with the screw holes 240, and the screws 290 fix the heat absorbing plate 220, the noise reduction plate 210 and the noise reduction groove 200, so that the whole structure is more compact and the effect is better.

Specifically, it is equipped with dust guard 250 to fall board 210 one side of making an uproar, and dust guard 250 one side integrated into one piece has spliced pole 260, falls board 210 one side of making an uproar and has seted up connector 270, and spliced pole 260 and connector 270 are pegged graft and are cooperated, and dust guard 250 is for preventing that the dust from entering into the groove 200 of making an uproar that falls, and the dust can make the temperature be difficult to scatter, influences the effect of making an uproar.

In addition, the wind pipe 120 is inserted outside the wind gap 110, the drainage pipe 130 is welded at the bottom of the wind pipe 120, the other end of the drainage pipe 130 is positioned on one side of the noise reduction groove 200, and the full heat exchanger can reduce the temperature of fresh air and then send the fresh air into the air chamber in summer, so the drainage pipe 130 is designed and welded on the air pipe 120 which enters the air chamber, and part of cold is guided to the noise reduction groove 200 to achieve the cooling effect again.

In addition, heat dissipation holes 280 are formed around the inner wall of the noise reduction groove 200, and the heat dissipation holes 280 are used for allowing the wind in the draft tube 130 to enter the noise reduction groove 200.

Specifically, the cover 140 is arranged at the port of the drainage tube 130, the cover 140 is in plug-in fit with the port of the drainage tube 130, and the temperature of wind in the drainage tube 130 is not low in winter, so that the cover 140 can be covered, the temperature in winter is low, and the noise reduction plate 210 cannot be overheated.

When the low-noise fresh air machine is used specifically, the noise reduction plate 210 and the heat absorption plate 220 are placed into the noise reduction groove 200, the noise reduction plate 210 is located above the heat absorption plate 220, the screw 290 penetrates through the noise reduction groove 200, the heat absorption plate 220 and the through hole 230 in the noise reduction plate 210 and the screw hole 240 in threaded connection, the connecting column 260 in the dustproof plate 250 is in inserted connection with the connecting port 270 in the noise reduction groove 200, after the machine body 100 is started, the noise reduction plate 210 can reduce noise generated by the machine body 100 and generate heat energy, the heat absorption plate 220 can cool the noise reduction plate 210, the cover 140 is opened in summer, cold air input into the drainage tube 130 can cool the structure in the noise reduction groove 200 again, and the cover 140 is inserted into the drainage tube 130 in winter.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a new fan of low noise, includes organism (100) and fixed connection fall the groove of making an uproar (200) in organism (100) bottom, its characterized in that: two air ports (110) are respectively formed in two sides of the machine body (100), a noise reduction plate (210) is arranged inside the noise reduction groove (200), a plurality of screw holes (240) are formed in one side of the upper surface of the noise reduction groove (200), through holes (230) are formed in positions, corresponding to the screw holes (240), of the noise reduction groove (200), screws (290) are arranged below the noise reduction plate (210), external threads (291) are formed in one end of each screw (290), the external threads (291) are matched with the screw holes (240), and the screws (290) penetrate through the through holes (230) and are connected with the screw holes (240).

2. The low noise fresh air machine of claim 1, characterized in that: and a heat absorbing plate (220) is arranged below the noise reduction plate (210), and the heat absorbing plate (220) is attached to the noise reduction plate (210).

3. The low noise fresh air machine of claim 2, wherein: the heat absorption plate (220) is provided with a plurality of through holes (230), the bottom of the noise reduction groove (200) is provided with a plurality of through holes (230), and the screw (290) penetrates through the through holes (230) on the noise reduction groove (200), the noise reduction plate (210) and the heat absorption plate (220) and is connected with the screw hole (240).

4. The low noise fresh air machine of claim 1, characterized in that: fall board (210) one side of making an uproar and be equipped with dust guard (250), dust guard (250) one side integrated into one piece has spliced pole (260), fall board (210) one side of making an uproar and seted up connector (270), spliced pole (260) and connector (270) are pegged graft the cooperation.

5. The low noise fresh air machine of claim 1, characterized in that: an air pipe (120) is inserted and connected to the outer side of the air port (110), a drainage pipe (130) is welded to the bottom of the air pipe (120), and the other end of the drainage pipe (130) is located on one side of the noise reduction groove (200).

6. The low noise fresh air machine of claim 1, characterized in that: radiating holes (280) are formed in the periphery of the inner wall of the noise reduction groove (200).

7. The low noise fresh air machine of claim 5, wherein: a cover (140) is arranged at the port of the drainage tube (130), and the cover (140) is in plug-in fit with the port of the drainage tube (130).