CN219529353U

CN219529353U - Blowing and sucking integrated fan

Info

Publication number: CN219529353U
Application number: CN202320417236.XU
Authority: CN
Inventors: 赵得宏
Original assignee: Dongguan Nengbowang Power Technology Co ltd
Current assignee: Dongguan Nengbowang Power Technology Co ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-08-15
Anticipated expiration: 2033-03-08

Abstract

A blower for sucking and blowing, comprising: the front end and the rear end of the shell are respectively provided with a first air guide assembly and a second air guide assembly, and a driving unit is arranged in the shell; the first air guide assembly comprises a first air guide cover and a first movable impeller, the first air guide cover is connected with the front end of the shell and covers the first movable impeller, and the first movable impeller is connected with a first power output end of the driving unit to obtain power; the second wind-guiding subassembly includes: the second air guide cover is connected with the rear end of the shell and covers the second movable impeller, and the second movable impeller is connected with a second power output end of the driving unit to obtain power. The blowing and sucking integrated fan has the advantages that the blowing and sucking integrated fan can be used for two purposes, simultaneously the blowing and sucking functions are met, fan materials are effectively utilized, and materials are saved. The space of the terminal product is saved, thereby reducing the volume of the product. One machine is dual-purpose, can blow and suck, and is convenient to use.

Description

Blowing and sucking integrated fan

Technical Field

The utility model belongs to the field of driving devices, and particularly relates to a blowing and sucking integrated fan.

Background

Most of the conventional fans are used for unidirectional air outlet, and air is sucked from the front end and then discharged from the rear end by adopting an impeller for fixing the air guiding direction, so that unidirectional high-speed air flow is formed, the product matched with the fans usually only has one of sucking and blowing functions, and each direction is matched with one fan for realizing the functions of blowing and sucking, so that the volume of the product is increased, the difficulty of design and production is improved, and meanwhile, the cost is increased.

Disclosure of Invention

In order to solve the problems, the utility model provides a blowing and sucking integrated fan.

The utility model adopts the following technical scheme:

a blower for sucking and blowing, comprising: the front end and the rear end of the shell are respectively provided with a first air guide assembly and a second air guide assembly, and a driving unit for driving the first air guide assembly and the second air guide assembly is arranged in the shell; the first air guide assembly comprises a first air guide cover and a first movable impeller, the first air guide cover is connected with the front end of the shell and covers the first movable impeller, and the first movable impeller is connected with a first power output end of the driving unit to obtain power; the second wind-guiding subassembly includes: the second air guide cover is connected with the rear end of the shell and covers the second movable impeller, and the second movable impeller is connected with a second power output end of the driving unit to obtain power.

Optionally, the first impeller is a centrifugal impeller.

Optionally, the second impeller is an axial flow impeller.

Optionally, a second air duct and a third air duct located at the periphery of the second air duct are arranged in the second air guide cover.

Optionally, a plurality of second guide vanes which are obliquely arranged are arranged in the second air duct.

Optionally, a plurality of third guide vanes axially arranged along the second air guide cover are arranged in the third air duct, and the width of the middle part of each third guide vane is larger than that of the end part of each third guide vane, so that an air duct with wide ends and narrow middle part is formed.

Optionally, the housing includes: the air conditioner comprises a first end cover and a second end cover which is connected with the first end cover in a matched mode, wherein a first air channel is formed in the edge of the first end cover, and a plurality of first guide vanes which are obliquely arranged are arranged in the first air channel.

Optionally, a first air port for air to flow in and out is formed in the first air guide cover.

Optionally, the driving unit includes: stator, rotor, bearing and wiring board, the rotor wears to establish in the stator, the part that the rotor is located the stator is provided with the magnet, the bearing sets up respectively on first end cover and second end cover, the first power take off end of rotor passes behind the bearing that is located first end cover and is connected with first movable vane wheel, the second power take off end of rotor passes behind the bearing that is located the second end cover and is connected with the second movable vane wheel, the wiring board sets up on the stator.

The blowing and sucking integrated fan has the advantages that the blowing and sucking integrated fan can be used for one machine, simultaneously the blowing and sucking functions are met, and in practical application, the motor is integrated with the blowing and sucking, so that fan materials are efficiently utilized, and compared with a conventional motor, the space and the materials are saved. Meanwhile, for the terminal product, the space is saved because of the integration characteristic of the motor, so that the product volume is reduced. For the user, the utility model has the advantages of two functions, namely blowing and sucking, and convenient use.

Drawings

FIG. 1 is a schematic diagram of a split state structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a first end cap according to the present utility model;

FIG. 4 is a schematic view of the cross-sectional structure A-A in FIG. 3;

FIG. 5 is a schematic view of a second air guiding cover according to the present utility model;

FIG. 6 is a schematic view of the cross-sectional structure B-B in FIG. 5;

FIG. 7 is a schematic view of the cross-sectional structure of C-C in FIG. 5.

Description of the embodiments

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Examples

As shown in fig. 1 and 2, a blowing and sucking integrated blower includes: the device comprises a shell 1, wherein a first air guide assembly 2 and a second air guide assembly 3 are respectively arranged at the front end and the rear end of the shell 1, and a driving unit 4 for driving the first air guide assembly 2 and the second air guide assembly 3 is arranged in the shell 1; the first wind guiding assembly 2 comprises a first wind guiding cover 21 and a first movable impeller 22, wherein the first wind guiding cover 21 is connected with the front end of the shell 1 and covers the first movable impeller 22, and the first movable impeller 22 is connected with a first power output end 4a of the driving unit 4 to obtain power; the second wind guiding assembly 3 includes: the second wind scooper 31 and the second impeller 32, the second wind scooper 31 is connected with the rear end of the casing 1 and is covered on the second impeller 32, and the second impeller 32 is connected with the second power output end 4b of the driving unit 4 to obtain power.

Because the first impeller 22 and the second impeller 32 are driven by the driving unit 4 to rotate in the same direction, according to different rotation directions of the driving unit 4, airflows in different directions can be generated, and the airflows can be sucked into the casing 1 by the first air guide assembly 2 and then discharged by the second air guide assembly 3, or sucked into the casing 1 by the second air guide assembly 3 and then discharged by the first air guide assembly 2, and the rotation directions of the driving unit 4 can be adjusted according to use requirements to obtain airflows in corresponding directions.

As shown in fig. 1, the first air guide cover 21 is provided with a first air inlet 211 for allowing air to flow in and out, the first air guide cover 21 is located at the front end of the fan, and after the air is sucked into the first air guide cover 21, the first moving impeller 22 rotating at a high speed accelerates the air flow and flows towards the rear end of the fan, or the air flow flowing at a high speed flows out from the first air guide cover 211.

As shown in fig. 1, the first impeller 22 is preferably a centrifugal impeller, and the strong negative pressure formed draws the air flow from the first air port 211.

As shown in fig. 1, the second impeller 32 is preferably an axial flow impeller, which accelerates the passing airflow axially, thereby increasing the air outlet/inlet efficiency.

Through the collocation of centrifugal impeller and axial flow impeller, make the motor all can obtain stronger air current accelerating ability under different drive directions to avoid single impeller forward and backward to rotate inefficiency even the condition of inefficacy.

As shown in fig. 1, 3, and 4, the casing 1 includes: the air conditioner comprises a first end cover 11 and a second end cover 12 which is matched and connected with the first end cover 11, wherein a first air duct 111 is arranged at the edge of the first end cover 11, and a plurality of first guide vanes 112 which are obliquely arranged are arranged in the first air duct 111 and are used for reducing air inlet wind resistance of air flow and improving fluid efficiency of the air flow.

As shown in fig. 1 and 2, the driving unit 4 includes: the stator 41, the rotor 42, the bearing 43 and the wiring board 44, the rotor 42 wears to set up in the stator 41, the part that the rotor 42 is located in the stator 41 is provided with magnet 45, the bearing 43 sets up respectively on first end cover 11 and second end cover 12, the first power take off 4a of rotor 42 passes behind the bearing 43 that is located on first end cover 11 and connects with first impeller 22, the second power take off 4b of rotor 42 passes behind the bearing 43 that is located on second end cover 12 and connects with second impeller 32, the wiring board 44 sets up on the stator 41, for the coil in the stator 41 provides required operating current makes it produce the magnetic field, drive the rotor 42 that has magnet 45 rotates.

As shown in fig. 5, 6 and 7, a second air duct 311 and a third air duct 312 located at the periphery of the second air duct 311 are disposed in the second air duct 31, a plurality of second guide vanes 313 disposed in an inclined manner are disposed in the second air duct 311, and a plurality of third guide vanes 314 disposed along the axial direction of the second air duct 31 are disposed in the third air duct 312. The width of the middle part of the third guide vane 314 is greater than that of the end part of the third guide vane 314, so that a ventilation channel with wide ends and narrow middle part is formed, the entering air flow is compressed when passing through the narrow part of the middle part, and then an accelerating air flow is generated at a wider outlet to increase the air outlet speed.

The second air guiding cover 31 respectively meets the air flow requirements when the first moving impeller 22 and the second moving impeller 32 generate different flow rates by arranging a third air duct 312 at the periphery of the second air duct 311, so as to compensate the air quantity and the air speed generated by the first moving impeller 22 and the second moving impeller 32, reduce loss in an air guiding system, and fully exert and efficiently utilize the air quantity and the air speed generated by the impellers.

The inclined arrangement of the first guide vane 112 and the second guide vane 313 means that the first guide vane and the second guide vane are arranged at a certain included angle or have a changing radian with the central axis of the fan.

Claims

1. A blowing and sucking integrated fan, comprising: the novel air conditioner comprises a machine shell (1), wherein a first air guide assembly (2) and a second air guide assembly (3) are respectively arranged at the front end and the rear end of the machine shell (1), and a driving unit (4) for driving the first air guide assembly (2) and the second air guide assembly (3) is arranged in the machine shell (1); the first air guide assembly (2) comprises a first air guide cover (21) and a first movable impeller (22), the first air guide cover (21) is connected with the front end of the shell (1) and covers the first movable impeller (22), and the first movable impeller (22) is connected with a first power output end (4 a) of the driving unit (4) to obtain power; the second air guiding assembly (3) comprises: the second wind scooper (31) and second impeller (32), second wind scooper (31) are connected with casing (1) rear end and cover and establish on second impeller (32), second impeller (32) are connected with second power take off end (4 b) of drive unit (4) and are obtained power.

2. The blower according to claim 1, wherein the first impeller (22) is a centrifugal impeller.

3. The blower according to claim 1, wherein the second impeller (32) is an axial flow impeller.

4. The blowing and sucking integrated fan according to claim 1, wherein a second air duct (311) and a third air duct (312) located at the periphery of the second air duct (311) are arranged in the second air guide cover (31).

5. The blowing and sucking integrated blower according to claim 4, wherein a plurality of obliquely arranged second guide vanes (313) are arranged in the second air duct (311).

6. The blowing and sucking integrated blower according to claim 4, wherein a plurality of third guide vanes (314) axially arranged along the second air guiding cover (31) are arranged in the third air duct (312), and the width of the middle part of the third guide vanes (314) is larger than the width of the end parts of the third guide vanes (314), so that an air duct with wide ends and narrow middle parts is formed.

7. The blower according to claim 1, wherein the housing (1) includes: the novel air conditioner comprises a first end cover (11) and a second end cover (12) which is connected with the first end cover (11) in a matching mode, wherein a first air duct (111) is arranged at the edge of the first end cover (11), and a plurality of first guide vanes (112) which are obliquely arranged are arranged in the first air duct (111).

8. The blowing and sucking integrated blower according to claim 1, wherein a first air port (211) for allowing air to flow in and out is formed in the first air guiding cover (21).

9. The blower according to claim 1, wherein the driving unit (4) includes: stator (41), rotor (42), bearing (43) and wiring board (44), rotor (42) wear to establish in stator (41), the part that rotor (42) are located stator (41) is provided with magnet (45), bearing (43) set up respectively on first end cover (11) and second end cover (12), first power take off (4 a) of rotor (42) pass behind bearing (43) that are located first end cover (11) and are connected with first impeller (22), second power take off (4 b) of rotor (42) pass behind bearing (43) that are located second end cover (12) and are connected with second impeller (32), wiring board (44) set up on stator (41).