CN202082169U

CN202082169U - Bladeless fan device

Info

Publication number: CN202082169U
Application number: CN2011201444834U
Authority: CN
Inventors: 任文华
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-10
Filing date: 2011-05-10
Publication date: 2011-12-21
Anticipated expiration: 2021-05-10

Abstract

The utility model discloses a bladeless fan device, relating to fan devices. The bladeless fan device comprises a nozzle (1) and a component for generating air flow passing through the nozzle, wherein the nozzle comprises an inner channel (2) and a vent (3), the air flow is jetted by the vent, the nozzle limits an opening (4), the air outside the fan device is sucked through the opening by the air flow jetted from the vent, the component comprises a motor (5) and a plurality of impellers (6) driven by the motor, the impellers are arranged at certain intervals. The bladeless fan is characterized in that the component further comprises diffusers arranged adjacent to the wind outlets of impellers or diffusers (11) arranged between any two impellers. The bladeless fan has the advantages of low noise and high boosting efficiency.

Description

No flabellum fan assembly

Technical field

The utility model relates to a kind of fan assembly.

Background technique

The applicant has proposed to theme as the patent application (application number: 201010572289.6) of no flabellum fan assembly to Patent Office of State Intellectual Property Office on December 2nd, 2010, the no flabellum fan assembly of this kind comprises: nozzle and the member that is used to produce by the air-flow of described nozzle, described nozzle comprises inner passage and the relief opening that is used to receive the air-flow that produces from described member, it is injected that air communication is crossed described relief opening, described nozzle limits opening, described fan assembly air outside is aspirated by the air-flow that sprays from described relief opening by described opening, described member comprises motor and a plurality of by described motor-driven impeller, the certain spacing setting of being separated by of described a plurality of impellers.The no flabellum fan assembly of this kind has characteristics such as noise is low, boost capability is strong, but boosting efficiency remains further to be improved, and noise remains further to be reduced.

Summary of the invention

The utility model aims to provide a kind of improved fan assembly to overcome above-mentioned defective of the prior art.The purpose of this utility model is that a kind of low noise, no flabellum fan assembly that boosting efficiency is high will be provided.

In order to achieve the above object, the technical solution adopted in the utility model is: the no flabellum fan assembly that is used to produce air stream, described fan assembly comprises nozzle and the member that is used to produce by the air-flow of described nozzle, described nozzle comprises inner passage and the relief opening that is used to receive the air-flow that produces from described member, it is injected that air communication is crossed described relief opening, described nozzle limits opening, described fan assembly air outside is aspirated by the air-flow that sprays from described relief opening by described opening, described member comprises motor and a plurality of by described motor-driven impeller, described a plurality of impeller certain spacing setting of being separated by, it is characterized in that described member also comprises the diffuser that is arranged between any two impellers.

The another kind of technological scheme that the utility model adopts is: the no flabellum fan assembly that is used to produce air stream, described fan assembly comprises nozzle and the member that is used to produce by the air-flow of described nozzle, described nozzle comprises inner passage and the relief opening that is used to receive the air-flow that produces from described member, it is injected that air communication is crossed described relief opening, described nozzle limits opening, described fan assembly air outside is aspirated by the air-flow that sprays from described relief opening by described opening, described member comprises motor and a plurality of by described motor-driven impeller, described a plurality of impeller certain spacing setting of being separated by, it is characterized in that described member also comprises near the diffuser the exhaust outlet that is arranged on each impeller.

Described diffuser can be the fixedly static disc with helical blade, also can be the airflow diffuser of other type; Described diffuser not only can be arranged between any two impellers, also can be arranged near the exhaust outlet of any one impeller.

Described impeller can be an aial flow impeller, also can be radial flow impeller, also can be the diagonal flow type impeller, can also be hybrid turbine.

Near the exhaust outlet of each impeller of a plurality of impellers a diffuser is set, near the diffuser that an impeller and are positioned at this impeller exhaust outlet constitutes a compress cell, so just can form a plurality of compress cells; A plurality of compress cells are connected in parallel just can form the structure of supercharging in parallel; A plurality of compress cells are connected in series just can form the structure of series connection supercharging.

For the ease of fixing of motor, described member also comprises motor casing 8, and described motor and described motor casing are fixed; Described diffuser is fixed on the described motor casing usually.

The utlity model has following good effect:

Because the utility model is being set up the diffuser with pressurization near the exhaust outlet of each impeller or between any two impellers, boosting efficiency is obviously improved, diffuser also has the function that hinders noise transmission simultaneously, and the noise of described fan assembly is obviously reduced.

Description of drawings

Fig. 1 is the schematic representation of no flabellum fan assembly of the present utility model;

Fig. 2 is another embodiment of no flabellum fan assembly of the present utility model.

Embodiment

Fig. 1 is the schematic representation of no flabellum fan assembly of the present utility model.As seen from the figure, the utility model comprises: pedestal 10 and the nozzle 1 that is installed in the circle on the pedestal 10, in pedestal 10, be provided with the member that is used to produce by the air-flow of nozzle 1, nozzle 1 comprises inner passage 2 and the relief opening 3 that is used to receive the air-flow that produces from described member, it is injected that air communication is crossed relief opening 3, nozzle 1 is about the axis X symmetry and limit an opening 4, the fan assembly air outside is aspirated by the air-flow that sprays from relief opening 3 by opening 4, as can be seen from the figure, member set in pedestal 10 comprises: motor casing 8, diffuser 11, be fixed in motor 5 and two impellers 6 on the motor casing 8, two certain spacing of being separated by of these two impellers are set on the same rotatingshaft 7 of motor 5, diffuser 11 is fixed on the motor casing 8 and between two impellers 6, the intake grill of these two impellers all is positioned at the below of corresponding impeller.

When this kind fan assembly uses, its motor 5 that is positioned at pedestal 10 drives two impeller 6 rotary works, air can be drawn into from the intake grill 9 of the outer casing underpart that is positioned at pedestal 10, its gas is sent into the intake grill of first impeller that is positioned at the bottom, boosting and boosting again through first impeller through sending into the intake grill that is positioned at second more top impeller after diffuser 11 superchargings, like this gas through repeatedly boost or supercharging after be transported to again in the inner passage 2 of nozzle 1, and be deflated mouthful 3 ejections and flow out opening 4, be deflated mouthful 3 air-flows that sprayed from the air of ambient, external environment by opening 4 and entrainment, air-flow that is ejected and the air-flow that entrainmented are in conjunction with the total air flow that penetrates forward from nozzle 1 with generation.

Fig. 2 shows second embodiment of no flabellum fan assembly of the present utility model.Find out easily that from figure present embodiment is similar to embodiment shown in Figure 1.Present embodiment and embodiment shown in Figure 1 have 2 different: one, in the present embodiment, motor 5 is arranged between two impellers 6, and embodiment's shown in Figure 1 motor 5 is arranged on the same side of two impellers 6; Its two, in the present embodiment, except between two impellers 6, being provided with a diffuser 11, also near the outlet of second impeller that is positioned at airflow downstream, set up another diffuser 11.Two impellers 6 and two diffusers 11 of present embodiment have constituted two compress cells, and each compress cell wherein is made of near the diffuser that an impeller and are positioned at this impeller exhaust outlet; Two compress cells of present embodiment belong to and are connected in series, and have so just formed the structure of series connection supercharging.

In fact those skilled in the art person can simply change present embodiment, and two compress cells are connected in parallel, and just can form the structure of supercharging in parallel.

Although showed and described and thought preferred embodiment of the present utility model at present, apparent, those skilled in the art can carry out various changes and improvements, and does not deviate from the scope of the present utility model that is limited by appended claims.

Claims

1. no flabellum fan assembly that is used to produce air stream, described fan assembly comprises nozzle (1) and is used to produce member by the air-flow of described nozzle, described nozzle comprises inner passage (2) and the relief opening (3) that is used to receive the air-flow that produces from described member, it is injected that air communication is crossed described relief opening, described nozzle limits opening (4), described fan assembly air outside is aspirated by the air-flow that sprays from described relief opening by described opening, described member comprises motor (5) and a plurality of by described motor-driven impeller (6), described a plurality of impeller certain spacing setting of being separated by, it is characterized in that described member also comprises the diffuser (11) that is arranged between any two impellers.

2. no flabellum fan assembly as claimed in claim 1 is characterized in that, described diffuser is the fixedly static disc with helical blade.

3. no flabellum fan assembly that is used to produce air stream, described fan assembly comprises nozzle and the member that is used to produce by the air-flow of described nozzle, described nozzle comprises inner passage and the relief opening that is used to receive the air-flow that produces from described member, it is injected that air communication is crossed described relief opening, described nozzle limits opening, described fan assembly air outside is aspirated by the air-flow that sprays from described relief opening by described opening, described member comprises motor and a plurality of by described motor-driven impeller, described a plurality of impeller certain spacing setting of being separated by, it is characterized in that described member also comprises near the diffuser the exhaust outlet that is arranged on each impeller.

4. no flabellum fan assembly as claimed in claim 3 is characterized in that, described diffuser is the fixedly static disc with helical blade.

5. as the described no flabellum fan assembly of one of claim 3 to 4, it is characterized in that, a plurality of impellers and a plurality of diffuser constitute a plurality of compress cells, each compress cell wherein is made of near the diffuser that an impeller and are positioned at this impeller exhaust outlet, and a plurality of compress cell is connected in parallel and constitutes the structure of supercharging in parallel.

6. as the described no flabellum fan assembly of one of claim 3 to 4, it is characterized in that, a plurality of impellers and a plurality of diffuser constitute a plurality of compress cells, each compress cell wherein is made of near the diffuser that an impeller and are positioned at this impeller exhaust outlet, and a plurality of compress cell is connected in series and constitutes the structure of series connection supercharging.