CN218820890U

CN218820890U - Air curtain machine convenient to heat dissipation

Info

Publication number: CN218820890U
Application number: CN202222889191.4U
Authority: CN
Inventors: 赖金桥; 解博超; 甄建柱; 李清泉
Original assignee: Guangdong Nedfon Air System Co Ltd
Current assignee: Guangdong Nedfon Air System Co Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-04-07
Anticipated expiration: 2032-10-31

Abstract

The application provides an air curtain machine convenient to heat dissipation includes: the wind power generator comprises a shell, a motor, two wind wheels and two heat dissipation axial flow impellers; the wind wheel heat dissipation device is characterized in that an air inlet and an air outlet are formed in the casing, the motor, the wind wheels and the heat dissipation axial flow impellers are arranged in the casing, the motor comprises a casing and output shafts extending out of two opposite ends of the casing, the two wind wheels are connected to two ends of the output shafts respectively, and the two heat dissipation axial flow impellers are sleeved on two ends of the output shafts respectively and located between the wind wheels and the casing. Compared with the prior art, this application embodiment the radiating air curtain machine of being convenient for through install heat dissipation axial compressor impeller additional at the both ends of motor, can play the radiating effect to the motor, plays the guard action, extension motor life-span. After testing, after the heat dissipation axial flow impeller is additionally arranged, under the same working condition, the temperature of the motor is reduced by about 5K compared with that when the heat dissipation axial flow impeller is not additionally arranged.

Description

Air curtain machine convenient to heat dissipation

Technical Field

The application relates to the technical field of air curtain machines, in particular to an air curtain machine convenient for heat dissipation.

Background

Air curtain machines are usually installed above the entrance and exit doors of shopping malls, theaters, hotels, restaurants, conference halls, refrigerators, operating rooms, homes, and the like. The air curtain machine is started, so that an air curtain wall can be formed to separate indoor air from outdoor air, the air curtain machine not only has the function of convenience for people to go out, but also can prevent cold and hot air exchange indoors and outdoors, so that the indoor temperature is kept constant, and meanwhile, dust and insects can be prevented from entering the room and diffusing harmful gas and peculiar smell.

The existing air curtain machine generally comprises a shell, a motor and a wind wheel, wherein the motor and the wind wheel are arranged in the shell, the motor drives the wind wheel to blow air out from an air outlet of the shell to form an air curtain wall, the motor needs to work for a long time and can generate a large amount of heat, and the wind current driven by the wind wheel is difficult to flow through the motor to dissipate heat of the motor, so that the service life of the motor is short.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide an air curtain machine convenient to heat dissipation to shortcoming and not enough among the solution prior art.

The application discloses air curtain machine convenient to heat dissipation includes: the wind power generator comprises a shell, a motor, two wind wheels and two heat dissipation axial flow impellers;

the wind wheel heat dissipation device is characterized in that an air inlet and an air outlet are formed in the casing, the motor, the wind wheels and the heat dissipation axial flow impellers are arranged in the casing, the motor comprises a casing and output shafts extending out of two opposite ends of the casing, the two wind wheels are connected to two ends of the output shafts respectively, and the two heat dissipation axial flow impellers are sleeved on two ends of the output shafts respectively and located between the wind wheels and the casing.

Compared with the prior art, this application embodiment the radiating air curtain machine of being convenient for through install heat dissipation axial compressor impeller additional at the both ends of motor, can play the radiating effect to the motor, plays the guard action, extension motor life-span. After testing, after the heat dissipation axial flow impeller is additionally arranged, under the same working condition, the temperature of the motor is reduced by about 5K compared with that when the heat dissipation axial flow impeller is not additionally arranged.

In a preferable or optional embodiment, a connection sleeve sleeved on the output shaft is formed at one end of the wind wheel facing the motor, a locking member is connected to the wall of the connection sleeve in a threaded manner, and the locking member penetrates through the connection sleeve and abuts against the outer wall of the output shaft so as to fix the wind wheel and the output shaft.

In a preferable or optional embodiment, a cylindrical portion protrudes towards the wind wheel in the middle of the heat-dissipation axial-flow impeller, the cylindrical portion is sleeved on the periphery of the connecting sleeve and is in interference fit with the connecting sleeve, and a clamping opening for clamping the locking piece is formed in the cylindrical portion.

In a preferred or optional embodiment, the heat-dissipating axial-flow impeller includes a barrel hub and a plurality of blades, the barrel hub is provided with a through hole matched with the output shaft, a central axis of the through hole coincides with a central axis of the barrel hub, the cylindrical portion is disposed in the barrel hub and surrounds the periphery of the through hole, a reinforcing plate is connected to an outer wall of the cylindrical portion and an inner wall of the barrel hub, and the plurality of blades are uniformly arranged on the periphery of the barrel hub along a circumferential direction.

In a preferred or alternative embodiment, the rotor is a cross-flow rotor.

In a preferred or optional embodiment, the housing is provided with a hollow structure.

In a preferred or optional embodiment, the air curtain machine facilitating heat dissipation further comprises a wall hanging plate, and the wall hanging plate is connected to the outer wall of the casing.

For a better understanding and practice, the present application is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of an air curtain machine in an embodiment of the present application;

FIG. 2 is an exploded view of an air curtain machine according to an embodiment of the present application;

FIG. 3 is a schematic view of the wind wheel, the heat dissipating axial flow impeller and the motor in the embodiment of the present application;

FIG. 4 is a schematic structural diagram of a connecting sleeve, a heat-dissipating axial-flow impeller and a motor according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a heat dissipating axial flow impeller according to an embodiment of the present disclosure;

reference numerals: 1. a housing; 11. an air inlet; 12. an air outlet; 2. a motor; 21. a housing; 211. a hollow structure; 22. an output shaft; 3. a wind wheel; 31. a connecting sleeve; 32. a locking member; 4. a heat-dissipating axial-flow impeller; 40. a cylindrical portion; 401. a card interface; 41. a barrel hub; 411. a through hole; 412. a reinforcing plate; 42. a blade.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.

It will be understood that in the description of the present application, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application. The terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, i.e. a feature defined as "first", "second" may explicitly or implicitly include one or more of such features. Further, unless otherwise specified, "a plurality" means two or more.

It should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "hollow" are to be construed broadly, e.g., as being fixedly connected, 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 this application will be understood to be a specific case for those of ordinary skill in the art.

Referring to fig. 1 to 5, an embodiment of the present invention provides an air curtain machine facilitating heat dissipation, including: the wind power generator comprises a shell 1, a motor 2, two wind wheels 3 and two heat dissipation axial flow impellers 4.

As shown in fig. 1 and 2, the casing 1 is provided with an air inlet 11 and an air outlet 12, and the motor 2, the wind wheel 3 and the heat-dissipating axial-flow impeller 4 are all disposed in the casing 1. In the present embodiment, the motor 2 has two output ends, and specifically, the motor 2 includes a housing 21 and output shafts 22 extending from two opposite ends of the housing 21, a stator and a rotor are disposed in the housing 21, and the output shafts 22 are connected to the rotor. The two wind wheels 3 are respectively connected to two ends of the output shaft 22, the two heat dissipation axial flow impellers 4 are respectively sleeved on two ends of the output shaft 22 and are located between the wind wheels 3 and the shell 21, namely, one heat dissipation axial flow impeller 4 is located between the shell 21 and one wind wheel 3, and the other heat dissipation axial flow impeller 4 is located between the shell 21 and the other wind wheel 3.

Through such setting, when motor 2 starts, can drive two wind wheels 3 and two heat dissipation axial compressor impeller 4 and rotate simultaneously, wind wheel 3 rotates and can inhales the air from the air intake 11 of casing 1 and blow out in order to form the air curtain wall from the air outlet 12 of casing 1, and heat dissipation axial compressor impeller 4 rotates and can blow the air current to motor 2 along the axial of output shaft 22 to reduce motor 2's operating temperature, in time dispel the heat to motor 2, play the guard action, extension motor 2 life-span.

This application embodiment the radiating air curtain machine of being convenient for adds through the both ends at motor 2 and installs heat dissipation axial compressor impeller 4, can play the radiating effect to motor 2, plays the guard action, extension motor 2 life-span. After testing, after the heat dissipation axial flow impeller 4 is installed, under the same working condition, the temperature of the motor 2 is reduced by about 5K compared with that when the heat dissipation axial flow impeller 4 is not installed.

As shown in fig. 3 and 4, preferably, in this embodiment, a connection sleeve 31 sleeved on the output shaft 22 is formed at one end of the wind wheel 3 facing the motor 2, a locking member 32 is connected to a cylinder wall of the connection sleeve 31 in a threaded manner, and the locking member 32 penetrates the connection sleeve 31 and then abuts against an outer wall of the output shaft 22 to fix the wind wheel 3 and the output shaft 22. Therefore, the wind wheel 3 and the output shaft 22 can be connected more firmly, specifically, the locking member 32 is a screw, a threaded hole adapted to the screw is formed in the connecting sleeve 31, and the screw abuts against the output shaft 22 after penetrating through the threaded hole.

In order to enable the heat-dissipating axial-flow impeller 4 to be installed more firmly, as shown in fig. 3 to 5, further, a cylindrical portion 40 protrudes from the middle of the heat-dissipating axial-flow impeller 4 toward the wind wheel 3, the cylindrical portion 40 is sleeved on the periphery of the connecting sleeve 31 and is in interference fit with the connecting sleeve 31, and a clamping opening 401 for clamping the locking member 32 is arranged on the cylindrical portion 40. Through such arrangement, the heat dissipation axial flow impeller 4 can be sleeved with the output shaft 22, can also be sleeved on the connecting sleeve 31 through the cylindrical part 40, and is in interference fit with the connecting sleeve 31 and clamped with the locking part 32, so that the heat dissipation impeller is more firmly installed and can effectively rotate along with the output shaft 22.

As shown in fig. 5, in the present embodiment, specifically, the heat-dissipating axial-flow impeller 4 includes a barrel hub 41 and a plurality of blades 42, the barrel hub 41 is provided with a through hole 411 fitted to the output shaft 22, a central axis of the through hole 411 coincides with a central axis of the barrel hub 41, the cylindrical portion 40 is disposed in the barrel hub 41 and surrounds an outer periphery of the through hole 411, and a reinforcing plate 412 is connected to an outer wall of the cylindrical portion 40 and an inner wall of the barrel hub 41 to reinforce an internal connection, so that the overall structural strength is higher, and the plurality of blades 42 are uniformly arranged on the outer periphery of the barrel hub 41 in a circumferential direction.

Preferably, this embodiment the wind wheel 3 is a cross flow wind wheel, and the cross flow wind wheel is cylindric, and its air-out effect is good, and the noise is less.

In order to enhance the heat dissipation effect of the motor 2, as shown in fig. 4, further, a hollow structure 211 is disposed on the housing 21 according to this embodiment, so that the airflow output by the heat dissipation axial flow impeller 4 can be directly blown to the inside of the housing 21 through the hollow structure 211, so that the heat dissipation effect is better.

Preferably, the air curtain machine of the present embodiment further includes a wall hanging plate (not shown) connected to an outer wall of the housing 1, so as to facilitate the installation of the air curtain machine on a wall or a mounting rack.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.

Claims

1. The utility model provides an air curtain machine convenient to heat dissipation which characterized in that includes:

the wind power generator comprises a shell, a motor, two wind wheels and two heat dissipation axial flow impellers;

the wind wheel heat dissipation device is characterized in that an air inlet and an air outlet are formed in the casing, the motor, the wind wheel and the heat dissipation axial flow impeller are arranged in the casing, the motor comprises a casing and output shafts extending out of two opposite ends of the casing, the two wind wheels are connected to two ends of the output shafts respectively, and the two heat dissipation axial flow impellers are sleeved on two ends of the output shafts respectively and located between the wind wheel and the casing.

2. The air curtain machine convenient for heat dissipation of claim 1, wherein:

the wind wheel is towards the one end of motor is formed with the cover and is in output epaxial connecting sleeve, connecting sleeve's section of thick bamboo wall threaded connection has the retaining member, the retaining member penetrate behind the connecting sleeve butt in on the outer wall of output shaft, in order will wind wheel and output shaft are fixed mutually.

3. The air curtain machine convenient for heat dissipation of claim 2, wherein:

the middle part orientation of heat dissipation axial compressor impeller the protruding tube-shape portion that has stretched of wind wheel, tube-shape portion cover in connecting sleeve's periphery, and with connecting sleeve interference fit, be provided with the joint in the tube-shape portion the joint mouth of retaining member.

4. The air curtain machine convenient for heat dissipation of claim 3, wherein:

the heat dissipation axial compressor impeller includes tubbiness wheel hub and a plurality of blade, tubbiness wheel hub be provided with cooperate in the through-hole of output shaft, the axis of through-hole with tubbiness wheel hub's axis coincidence, the tube-shape portion set up in tubbiness wheel hub to enclose and locate the periphery of through-hole, the outer wall of tube-shape portion with tubbiness wheel hub's inner wall is connected with the reinforcing plate, and is a plurality of the blade along circumferencial direction evenly arranged in tubbiness wheel hub's periphery.

5. The air curtain machine convenient for heat dissipation of claim 1, wherein:

the wind wheel is a cross-flow wind wheel.

6. The air curtain machine convenient for heat dissipation of claim 1, wherein:

the shell is provided with a hollow structure.

7. The air curtain machine convenient for heat dissipation of any one of claims 1-6, wherein:

the wall hanging plate is connected to the outer wall of the shell.