CN217652935U

CN217652935U - Ultra-efficient mixed centrifugal fan based on frequency conversion control

Info

Publication number: CN217652935U
Application number: CN202123019086.7U
Authority: CN
Inventors: 陈成智; 李威龙
Original assignee: Nikoda Jeep Guangzhou Ventilation Equipment Co ltd
Current assignee: Nikoda Jeep Guangzhou Ventilation Equipment Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-10-25
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses a mixed type centrifugal fan is imitated to superelevation based on frequency conversion control, including motor, mounting panel, fixed plate and shell, install the motor through the bolt on the mounting panel, the shell is installed to the below of mounting panel, one side of shell is equipped with the guide plate, the fixed plate is installed to the one end that the shell deviates from the mounting panel, one side surface mounting that the fixed plate deviates from the shell has the panel, the air outlet has been seted up on panel and the fixed plate, centrifugal impeller is installed to the output of motor. The utility model discloses it is low to possess simple structure and the processing degree of difficulty, and the efficient advantage of static pressure to have.

Description

Ultra-efficient mixed centrifugal fan based on frequency conversion control

Technical Field

The utility model relates to a centrifugal fan technical field specifically is a mixed type centrifugal fan is imitated to superelevation based on frequency conversion control.

Background

The application of the fan is very wide, the fan is spread in all industries and is a high-energy-consumption device, the proportion of consumed power resources to the energy consumption of all production enterprises is large, along with the increasing shortage of energy in China and the popularization and application of high-yield and high-efficiency working faces, energy conservation and consumption reduction become the common concern of all production enterprises, and meanwhile, the reduction of the power consumption of the fan is taken as an important research topic by many fan production enterprises. In the future, fans with lower energy consumption, diversification and high efficiency will be more and more favored by people. Particularly, since the 21 st century, with the continuous development and development of the fan manufacturing industry in China, the fan manufacturing industry is burdened with the tasks of the centrifugal fan matched with the engineering of petroleum, chemical engineering, agriculture, coal, metallurgy, electric power, mining, textile, environmental protection and the like, the matching requirement of major equipment in China can be basically met, and the mixed type centrifugal fan has the advantages of compact structure, large mixed gas flow coefficient, high pressure rise coefficient and the like, and is widely applied to industrial boilers and household wall-mounted furnaces; along with the improvement of the life quality of people and the improvement of the standard requirements of the industry on household appliances and equipment, the centrifugal fan has the advantages of high efficiency, stability and compactness and becomes the main development direction and pursuit target of the centrifugal fan. But the static pressure efficiency of the centrifugal fan at the present stage is low, and the use effect is not ideal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mixed type centrifugal fan is imitated to superelevation based on frequency conversion control possesses and has simple structure and the processing degree of difficulty is low, and the efficient advantage of static pressure, and the centrifugal fan static pressure efficiency who has solved present stage is lower, the unsatisfactory problem of result of use.

In order to achieve the above object, the utility model provides a following technical scheme:

the ultra-efficient hybrid centrifugal fan based on variable frequency control comprises a motor, a mounting plate, a fixing plate and a shell, wherein the motor is mounted on the mounting plate through bolts, the shell is mounted below the mounting plate, a guide plate is arranged on one side of the shell, the fixing plate is mounted at one end, deviating from the mounting plate, of the shell, a panel is mounted on the surface of one side, deviating from the shell, of the fixing plate, air outlets are formed in the panel and the fixing plate, and a centrifugal impeller is mounted at the output end of the motor.

Preferably, the outer side of the motor is provided with four fixing columns, and the four fixing columns are distributed on the motor in an annular array.

Preferably, the outer side surface of the motor is provided with a heat dissipation rib between two adjacent fixing columns.

Preferably, an air inlet is formed in one side, located on the guide plate, of the shell.

Preferably, the position of the air outlet corresponds to the position of the centrifugal impeller.

Preferably, four corners of the fixing plate are provided with fixing holes in a penetrating manner.

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

the centrifugal impeller is arranged in the shell, and the shell is provided with a spiral flow passage part surrounding the centrifugal impeller and communicated with the spiral flow passage part; the spiral flow channel part gradually becomes along the air flow direction cross-section, and the air-out passageway has the expansion angle, and this product adopts distinctive spiral flow channel part design, has simple structure and the low advantage of the processing degree of difficulty, optimizes the flow of air current in impeller passageway, improves holistic pneumatic stability of centrifugal fan and efficiency, makes this centrifugal fan have higher reliability and economic nature.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the rear view of the present invention.

In the figure: 1. a motor; 2. mounting a plate; 3. a centrifugal impeller; 4. an air outlet; 5. a fixing hole; 6. a panel; 7. a baffle; 8. a fixing plate; 9. a housing; 10. fixing a column; 11. and (6) heat dissipation ribs.

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 should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to fig. 2, the present invention provides an embodiment:

the utility model provides a mixed type centrifugal fan is imitated to superelevation based on frequency conversion control, includes motor 1, mounting panel 2, fixed plate 8 and shell 9, installs motor 1 through the bolt on the mounting panel 2, and the outside of motor 1 is equipped with fixed column 10, and fixed column 10 is equipped with four altogether, and four fixed columns 10 annular array distribute on motor 1, and the outside surface of motor 1 is located and is equipped with heat dissipation muscle 11 between two adjacent fixed columns 10.

A shell 9 is arranged below the mounting plate 2, a guide plate 7 is arranged on one side of the shell 9, an air inlet is formed in one side, located on the guide plate 7, of the shell 9, the centrifugal impeller 3 is arranged inside the shell 9, and the shell 9 is provided with a spiral flow channel part surrounding the centrifugal impeller 3 and communicated with the spiral flow channel part; spiral shell shape runner portion is crescent along the air current direction cross-section, the air-out passageway has the expansion angle, this product adopts distinctive spiral shell shape runner portion design, simple structure has and the advantage that the processing degree of difficulty is low, optimize the flow of air current in impeller passageway, improve holistic pneumatic stability of centrifugal fan and efficiency, make this centrifugal fan have higher reliability and economic nature, fixed plate 8 is installed to the one end that shell 9 deviates from mounting panel 2, fixed plate 8's four corners are run through and are seted up fixed orifices 5, fixed plate 8 deviates from a side surface mounting of shell 9 and has panel 6, air outlet 4 has been seted up on panel 6 and the fixed plate 8, the position of air outlet 4 is corresponding with centrifugal impeller 3's position, centrifugal impeller 3 is installed to the output of motor 1, centrifugal impeller 3 is board-type or airfoil blade.

The working principle is as follows: the centrifugal impeller 3 is installed inside a casing 9, and the casing 9 has a spiral flow passage portion surrounding the centrifugal impeller 3 and is communicated with the spiral flow passage portion; the spiral flow channel part gradually becomes along the air flow direction cross-section, and the air-out passageway has the expansion angle, and this product adopts distinctive spiral flow channel part design, has simple structure and the low advantage of the processing degree of difficulty, optimizes the flow of air current in impeller passageway, improves holistic pneumatic stability of centrifugal fan and efficiency, makes this centrifugal fan have higher reliability and economic nature.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an ultra-high efficiency mixed type centrifugal fan based on frequency conversion control, includes motor (1), mounting panel (2), fixed plate (8) and shell (9), its characterized in that: install motor (1) through the bolt on mounting panel (2), shell (9) are installed to the below of mounting panel (2), one side of shell (9) is equipped with guide plate (7), fixed plate (8) are installed to the one end that shell (9) deviate from mounting panel (2), one side surface mounting that fixed plate (8) deviate from shell (9) has panel (6), air outlet (4) have been seted up on panel (6) and fixed plate (8), centrifugal impeller (3) are installed to the output of motor (1).

2. The ultra-efficient hybrid centrifugal fan based on variable frequency control as claimed in claim 1, wherein: the outer side of the motor (1) is provided with four fixing columns (10), and the four fixing columns (10) are distributed on the motor (1) in an annular array.

3. The ultra-efficient hybrid centrifugal fan based on variable frequency control as claimed in claim 1, wherein: and a heat dissipation rib (11) is arranged between two adjacent fixing columns (10) on the outer side surface of the motor (1).

4. The ultra-efficient hybrid centrifugal fan based on variable frequency control of claim 1, wherein: and an air inlet is formed in one side of the shell (9) positioned on the guide plate (7).

5. The ultra-efficient hybrid centrifugal fan based on variable frequency control as claimed in claim 1, wherein: the position of the air outlet (4) corresponds to the position of the centrifugal impeller (3).

6. The ultra-efficient hybrid centrifugal fan based on variable frequency control as claimed in claim 1, wherein: four corners of the fixing plate (8) are provided with fixing holes (5) in a penetrating way.