EC intelligent fan box structure

Abstract

The utility model discloses an EC intelligent draught fan box structure which comprises a machine box, a draught fan frame is installed in the machine box, a plurality of evenly-arranged draught fan assemblies are installed on the draught fan frame, an air inlet window is installed on the right side of the machine box, and an air outlet window is installed on the left side of the machine box. The fan assembly comprises an EC intelligent direct-current brushless motor installed on a fan frame, and the power output end of the EC intelligent direct-current brushless motor is connected with an efficient impeller. A sound absorption structure is installed in the air outlet window, a plurality of sound absorption plates are installed at the position, between the sound absorption structure and the draught fan assembly, of the machine box, and the sound absorption plates are evenly arranged in the machine box. By arranging the fan assembly, the sound absorption structure and the sound absorption plate, during working, the fan assembly composed of the EC intelligent direct-current brushless motor and the efficient impeller can reduce generation of noise, in the using process, through cooperation of the sound absorption structure and the sound absorption plate, the noise can be continuously absorbed, and the noise reduction effect is achieved. Therefore, a better noise reduction effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of EC fan case, specifically relates to an EC wisdom fan case structure. BACKGROUND

[0002] EC fan is a kind of centrifugal fan using digital brushless DC outer rotor motor or centrifugal fan using EC motor, has many advantages such as small loss, high efficiency, high power factor, but its single fan maximum air supply is often smaller, does not satisfy the air supply requirement of large air conditioning unit, and the form of multiple EC fan combination installation meets the air supply requirement, but when airflow passes through and the motor, fan blade and other components in the fan case operate, it will generate larger noise, and the current case noise reduction effect is limited, therefore an EC wisdom fan case structure is urgently needed to solve the above problems. SUMMARY

[0003] In view of the problems in the above background art, the utility model aims to provide an EC wisdom fan case structure.

[0004] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0005] An EC wisdom fan case structure, comprising a case, a fan rack is installed in the case, a plurality of uniformly arranged fan assemblies are installed on the fan rack, an air inlet air window is installed on the right side of the case, and an air outlet air window is installed on the left side of the case;

[0006] The fan assembly comprises an EC intelligent DC brushless motor installed on the fan rack, and the power output end of the EC intelligent DC brushless motor is connected with a high-efficiency impeller.

[0007] A sound absorption structure is installed in the air outlet air window, a plurality of sound absorption plates are installed between the sound absorption structure and the fan assembly in the case, and the plurality of sound absorption plates are uniformly arranged in the case.

[0008] Further limited, the sound absorption structure is provided in a folded corrugated structure. When sound waves are transmitted to the sound absorption structure, they are constantly reflected to the recessed parts of the folded corrugated structure, thereby realizing constant contact of sound waves with the sound absorption plates, so that the sound absorption plates can have better sound absorption effect on noise and play a noise reduction effect.

[0009] Further limited, the sound absorption plate is a porous foam plastic plate. Such a structure design can reduce the noise of airflow flow.

[0010] Further limited, the air inlet window inside installation has several from top to bottom arranged connecting rod, the surface of the connecting rod is installed with window leaf, several window leafs are arranged from inside to outside from top to bottom and are inclined structure.

[0011] Further limited, the outside one side of the cabinet is equipped with control box, and the cabinet is hingedly installed with switch cabinet door on both sides of the control box.Such structure design is convenient for controlling the internal fan assembly through the control box, and the fan assembly can be maintained by entering the cabinet through the switch cabinet door.

[0012] The utility model discloses the beneficial effect is: the utility model discloses a fan assembly, sound absorption structure and sound absorption board are set up, when working, the fan assembly that is composed of EC intelligent direct current brushless motor and high -efficient impeller can reduce the generation of noise, and in the use process, through the cooperation of sound absorption structure and sound absorption board, can continuously absorb noise, thereby better noise reduction effect is played. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model can be further illustrated by the non - limiting embodiment shown in the drawings;

[0014] Figure 1 It is the air inlet side shaft side structure schematic drawing of an EC wisdom fan box structure of the utility model embodiment;

[0015] Figure 2 It is the air outlet side shaft side structure schematic drawing of an EC wisdom fan box structure of the utility model embodiment;

[0016] Figure 3 It is the section structure schematic drawing of an EC wisdom fan box structure of the utility model embodiment;

[0017] The main element symbol explanation is as follows:

[0018] Cabinet 1, fan frame 2, fan assembly 3, air inlet window 4, air outlet window 5, EC intelligent direct current brushless motor 6, high -efficient impeller 7, sound absorption structure 8, sound absorption board 9, connecting rod 10, window leaf 11, control box 12, switch cabinet door 13. DETAILED DESCRIPTION

[0019] In order for those skilled in the art to better understand the utility model, the technical scheme of the utility model is further illustrated below in connection with the drawings and examples.

[0020] Example 1, as Figure 1 , Figure 2 and Figure 3As shown, an EC smart fan chassis structure, a fan rack 2 is installed in the chassis 1, and a number of evenly arranged fan assemblies 3 are installed on the fan rack 2. An air inlet window 4 is installed on the right side of the chassis 1, and an air outlet window 5 is installed on the left side of the chassis 1;

[0021] The fan assembly 3 includes an EC intelligent DC brushless motor 6 mounted on the fan frame 2, and a high-efficiency impeller 7 is connected to the power output end of the EC intelligent DC brushless motor 6;

[0022] A sound absorbing structure 8 is installed in the air outlet window 5 , and a plurality of sound absorbing panels 9 are installed in the chassis 1 between the sound absorbing structure 8 and the fan assembly 3 . The plurality of sound absorbing panels 9 are evenly arranged in the chassis 1 .

[0023] In this embodiment, when in use, by starting the fan assembly 3, the EC intelligent DC brushless motor 6 drives the high-efficiency impeller 7 to work, thereby drawing external air into the chassis 1 through the air inlet window 4. By adopting the EC intelligent DC brushless motor 6 and the high-efficiency impeller 7, the energy efficiency is reduced by 25% and the noise is reduced by more than 10dB at the same air volume and pressure. In addition, through the synchronous operation of several fan assemblies 3, air is delivered to the entire surface and then discharged from the air outlet window 5 for ventilation and heating, or to supply air to the AHU air conditioner. In addition, the sound waves generated by the fan assembly 3 during operation are projected onto the sound absorbing structure 8. The sound absorbing structure 8 causes the sound waves to be continuously reflected on the sound absorbing structure 8, so that the sound waves are continuously in contact with the sound absorbing plate 9, and then the sound waves are continuously absorbed by the sound absorbing plate 9, thereby achieving a noise reduction effect, thereby being able to reduce the noise when the air flows through the air inlet window 4 and the air outlet window 5.

[0024] Example 2, as Figure 3 As shown, this embodiment adds the following structure on the basis of embodiment 1: the sound absorbing structure 8 is arranged in a folded corrugated structure.

[0025] In this embodiment, during operation, the sound absorbing structure 8 is provided in a folded corrugated structure, so that when the sound waves are transmitted to the sound absorbing structure 8, they are continuously reflected toward the concave portion of the folded corrugated structure, thereby achieving continuous contact between the sound waves and the sound absorbing plate 9, thereby enabling the sound absorbing plate 9 to have a better absorption effect on noise and achieve a noise reduction effect.

[0026] Example 3, as Figure 3 As shown, this embodiment adds the following structure on the basis of embodiment 1: the sound absorbing plate 9 is a porous foam plastic plate.

[0027] In this embodiment, during operation, the sound absorbing plate 9 in the form of a porous foam plastic plate can reduce the noise generated when the air flows through the air inlet window 4 and the air outlet window 5 .

[0028] Example 4, as Figure 3As shown, this embodiment adds the following structure on the basis of embodiment 1: a plurality of connecting rods 10 arranged in sequence from top to bottom are installed inside the air inlet window 4, and window blades 11 are installed on the surface of the connecting rods 10. The plurality of window blades 11 are arranged in an inclined structure from inside to outside and from top to bottom.

[0029] In this embodiment, during operation, the window blades 11 arranged in an inclined structure can not only let in air, but also reduce the entry of dust and effectively prevent water from flowing into the chassis 1, thereby protecting the interior of the chassis 1.

[0030] Example 5, as Figure 1 As shown, this embodiment adds the following structure on the basis of embodiment 1: a control box 12 is provided on one side of the outside of the chassis 1, and the chassis 1 is hingedly installed with switch box doors 13 on both sides of the control box 12.

[0031] In this embodiment, the internal fan assembly 3 is conveniently controlled by the control box 12 , and the fan assembly 3 can be maintained by entering the chassis 1 by opening and closing the box door 13 .

[0032] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by persons skilled in the art without departing from the spirit and technical principles disclosed herein shall be covered by the claims of the present invention.

Claims

1. An EC smart fan chassis structure, characterized by: The invention comprises a chassis (1), a fan rack (2) is installed in the chassis (1), a plurality of evenly arranged fan assemblies (3) are installed on the fan rack (2), an air inlet window (4) is installed on the right side of the chassis (1), and an air outlet window (5) is installed on the left side of the chassis (1); The fan assembly (3) includes an EC intelligent DC brushless motor (6) mounted on a fan frame (2), and a high-efficiency impeller (7) is connected to a power output end of the EC intelligent DC brushless motor (6); A sound absorbing structure (8) is installed in the air outlet window (5), and a plurality of sound absorbing panels (9) are installed in the chassis (1) between the sound absorbing structure (8) and the fan assembly (3), wherein the plurality of sound absorbing panels (9) are evenly arranged in the chassis (1).

2. The EC smart wind turbine chassis structure according to claim 1, characterized in that: The sound absorbing structure (8) is arranged in a folded wrinkle structure.

3. The EC smart wind turbine chassis structure according to claim 2, characterized in that: The sound absorbing plate (9) is a porous foam plastic plate.

4. The EC smart wind turbine chassis structure according to claim 3, characterized in that: A plurality of connecting rods (10) arranged sequentially from top to bottom are installed inside the air inlet window (4), window blades (11) are installed on the surface of the connecting rods (10), and the plurality of window blades (11) are arranged in an inclined structure from inside to outside and from top to bottom.

5. The EC smart wind turbine chassis structure according to claim 4, characterized in that: A control box (12) is provided on one side of the exterior of the chassis (1), and switch box doors (13) are hingedly mounted on both sides of the control box (12) of the chassis (1).

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