CN215292962U

CN215292962U - Efficient energy-saving fan for tunnel

Info

Publication number: CN215292962U
Application number: CN202121418765.9U
Authority: CN
Inventors: 贾世俊; 梁英
Original assignee: Lunden Fan Technology Tianjin Co ltd
Current assignee: Lunden Fan Technology Tianjin Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-24
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a tunnel is with energy-efficient fan, including first pipeline, the left fixed surface of first pipeline is connected with first deformation pipe, the left fixed surface of first deformation pipe is connected with the connecting pipe, the left fixed surface of connecting pipe is connected with the second deformation pipe, the left fixed surface of second deformation pipe is connected with the second pipeline, the inside fixedly connected with motor of connecting pipe. The utility model discloses, through design motor, flabellum, realize that the flabellum is located the outside of motor, utilize the great pipeline outside part of area, circulate gas, reach the flow that increases the air, through designing first flabellum and second flabellum, realize prewhirling gas through first flabellum, reach the flow velocity that increases the air, through designing first deformation pipe, second deformation pipe, realize at the flow in-process of air, the air is realized at the inside acceleration of pipeline, reduces the pressure between air and the boundary layer.

Description

Efficient energy-saving fan for tunnel

Technical Field

The utility model relates to a fan field especially relates to a tunnel is with energy-efficient fan.

Background

The tunnel fan is also called tunnel jet fan, tunnel fan and jet fan, and is widely applied to the actual use of tunnels such as water conservancy dam engineering, highways, railways, subways and the like. The bidirectional jet fan has an electronic type and a mechanical type. The normal and reverse rotation can be switched to the rated speed of the fan within 30 seconds. For the occasions with high noise requirements, a silencer can be added to reduce the noise.

1. At present, the gas passing efficiency of the high-efficiency energy-saving fan for the tunnel is low, so that the time for the device to reach the preset wind speed is slow;

2. at present, the radius of a high-efficiency energy-saving fan pipeline for a tunnel is not changed, airflow is influenced by a boundary layer, and the efficiency of the fan is low due to large friction force.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-efficiency energy-saving fan for a tunnel.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-efficiency energy-saving fan for a tunnel comprises a first pipeline, wherein a first deformation pipe is fixedly connected to the left surface of the first pipeline, a connecting pipe is fixedly connected to the left surface of the first deformation pipe, a second deformation pipe is fixedly connected to the left surface of the connecting pipe, and a second pipeline is fixedly connected to the left surface of the second deformation pipe;

the inside fixedly connected with motor of connecting pipe, the surface fixedly connected with first flabellum of motor, the output end fixedly connected with second flabellum of motor.

As a further description of the above technical solution:

the cross sections of the first pipeline and the second pipeline are rectangular.

As a further description of the above technical solution:

the first deformation pipe and the second deformation pipe are funnel-shaped.

As a further description of the above technical solution:

the second fan blade is connected with the inner surface of the connecting pipe in a sliding mode.

As a further description of the above technical solution:

and a silencer is fixedly connected to the inner surface of the second pipeline.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this energy-efficient fan is used in tunnel through design motor, flabellum, realizes that the flabellum is located the outside of motor, utilizes the great pipeline outside part of area, carries out circulation gas, reaches the flow that increases the air.

2. Compared with the prior art, this energy-efficient fan is used in tunnel through designing first flabellum and second flabellum, realizes carrying out the prerotation through first flabellum to gas, reaches the flow velocity that increases the air.

3. Compared with the prior art, this energy-efficient fan is used in tunnel through designing first deformation pipe, second deformation pipe, realizes at the flow in-process of air, and the air realizes accelerating inside the pipeline, reduces the pressure between air and the boundary layer.

Drawings

Fig. 1 is a front view of an energy-efficient fan for a tunnel according to the present invention;

fig. 2 is a right side view of the high-efficiency energy-saving fan for tunnel according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

fig. 4 is the utility model provides an overall structure schematic diagram of energy-efficient fan for tunnel.

Illustration of the drawings:

1. a first conduit; 2. a first deformation tube; 3. a connecting pipe; 4. a second deformation pipe; 5. a second conduit; 6. a first fan blade; 7. a second fan blade; 8. an electric motor.

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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the utility model provides a pair of energy-efficient fan is used in tunnel: including first pipeline 1, the shape in 5 cross-sections of second pipeline is the rectangle, first pipeline 1, second pipeline 5 is used for the flow of air current, first pipeline 1's left surface fixedly connected with first deformation pipe 2, second deformation pipe 4 is lou hopper-shaped, the left surface fixedly connected with connecting pipe 3 of first deformation pipe 2, the left surface fixedly connected with second deformation pipe 4 of connecting pipe 3, the left surface fixedly connected with second pipeline 5 of second deformation pipe 4, the fixed surface is connected with the muffler in 5 of second pipelines, the muffler is used for noise abatement.

The inside fixedly connected with motor 8 of connecting pipe 3, motor 8 are used for driving second flabellum 7, and the outer fixed surface of motor 8 is connected with first flabellum 6, and the output end fixedly connected with second flabellum 7 of motor 8, second flabellum 7 and the internal surface sliding connection of connecting pipe 3.

The working principle is as follows: install the device in appointed position, open the back with motor 8, motor 8 drives second flabellum 7 and rotates, and second flabellum 7 blows the air current, and first flabellum 6 prerevolves the air current, prerevolves the acceleration effect that increases the air current, and the in-process muffler that flows at the air current silences the air current, and the air current changes of speed through

first deformation pipe

2 and 4 air currents of second deformation pipe, reduces frictional force.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a tunnel is with energy-efficient fan, includes first pipeline (1), its characterized in that: a first deformation pipe (2) is fixedly connected to the left surface of the first pipeline (1), a connecting pipe (3) is fixedly connected to the left surface of the first deformation pipe (2), a second deformation pipe (4) is fixedly connected to the left surface of the connecting pipe (3), and a second pipeline (5) is fixedly connected to the left surface of the second deformation pipe (4);

the inside fixedly connected with motor (8) of connecting pipe (3), the surface fixedly connected with first flabellum (6) of motor (8), the output fixedly connected with second flabellum (7) of motor (8).

2. The efficient and energy-saving fan for the tunnel according to claim 1, characterized in that: the cross sections of the first pipeline (1) and the second pipeline (5) are rectangular.

3. The efficient and energy-saving fan for the tunnel according to claim 1, characterized in that: the first deformation pipe (2) and the second deformation pipe (4) are funnel-shaped.

4. The efficient and energy-saving fan for the tunnel according to claim 1, characterized in that: the second fan blade (7) is connected with the inner surface of the connecting pipe (3) in a sliding mode.

5. The efficient and energy-saving fan for the tunnel according to claim 1, characterized in that: and a silencer is fixedly connected to the inner surface of the second pipeline (5).