CN215109604U

CN215109604U - Integrated energy-saving centrifugal fan with wind pressure control function

Info

Publication number: CN215109604U
Application number: CN202121243612.5U
Authority: CN
Inventors: 蔡国亮
Original assignee: Jiangsu Xideli Draught Fan Co ltd
Current assignee: Jiangsu Xideli Draught Fan Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-12-10
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses an integrated energy-saving centrifugal fan with wind pressure control, which comprises a fan main body and a bottom plate, wherein the bottom end of the fan main body is provided with the bottom plate, the surface of a chassis is provided with a motor, the rear end of the motor is provided with a transmission belt, the top end of the transmission belt is provided with the fan main body, then a control switch on the surface of a control panel is pressed, the transmission belt at the rear end is driven by the motor to rotate, the transmission belt drives a paddle to rotate at high speed through the transmission belt, then a dust cover of an exhaust port is opened, the paddle sucks gas through an air inlet and accelerates the gas through the paddle and discharges the gas through the exhaust port, when the wind pressure of the exhaust port needs to be reduced, a flow limiting cover on the surface of the safety cover is covered on the surface of the safety cover, the air input of the air inlet is reduced, compared with the traditional fan, the air input can be reduced, the air pressure of the air outlet is reduced, and the equipment use cost and the maintenance cost are lower.

Description

Integrated energy-saving centrifugal fan with wind pressure control function

Technical Field

The utility model belongs to the technical field of centrifugal fan is relevant, concretely relates to take energy-saving centrifugal fan of integration of wind pressure control.

Background

The centrifugal fan is a ground machine which increases gas pressure and discharges gas by means of input mechanical energy, and is a driven fluid machine for dust discharge and cooling; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; the centrifugal fan accelerates gas by using an impeller rotating at high speed according to the principle that kinetic energy is converted into potential energy, and then decelerates and changes the flow direction so as to convert the kinetic energy into the potential energy (pressure). In a single stage centrifugal fan, the gas enters the impeller from an axial direction, changes to a radial direction as it flows through the impeller, and then enters the diffuser. In diffusers, the gas changes flow direction and the increase in conduit cross-sectional area slows the gas flow, which converts kinetic energy into pressure energy. The pressure increase occurs primarily in the impeller and secondarily in the diffusion process. In multi-stage centrifugal fans, which are widely used for ventilation of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, a flow of air is made to enter the next impeller by a backflow device to generate higher pressure.

The prior art has the following problems:

the existing centrifugal fan is simple in structure, air output cannot be controlled well in the using process, the centrifugal fan needs to control the air output and only can pass through the power of a changed motor, a variable speed motor needs to be replaced to serve as a driving unit, the use cost and the maintenance cost of the variable speed motor are high, and the traditional motor cannot change the size of the air output.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take energy-saving centrifugal fan of integration of wind pressure control to solve the current centrifugal fan simple structure who proposes among the above-mentioned background art and can't control well air output usually at the in-process that uses, centrifugal fan need control the air output and can only be through the power of the motor that changes, need change variable speed motor as drive unit, and variable speed motor's use cost and maintenance cost are higher, and the big or small problem of air output can't be changed to traditional motor.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a take energy-saving centrifugal fan of integration of wind pressure control, includes fan main part and bottom plate, the bottom of fan main part is provided with the bottom plate, the surface of bottom plate is provided with the fixed plate, the surface of fixed plate is provided with the gim peg, one side of gim peg is provided with the motor, the rear end of motor is provided with driving belt, the top of fan main part is provided with the gas vent, one side of gas vent is provided with the hinge, one side of hinge is provided with the dust cover, the front end surface of fan main part is provided with the air inlet, the inside of air inlet is provided with the paddle, one side of fan main part is provided with control panel, driving belt's top is provided with the safety guard, the top of safety guard is provided with the fixed axle, the surface of fixed axle is provided with the current-limiting cover.

Preferably, the number of the fixing plates is two, and the two fixing plates are respectively arranged on two sides of the motor.

Preferably, the fixed shaft adopts a damping rotating shaft and has an automatic locking and limiting function.

Preferably, the rear end of the transmission belt is provided with a protective cover, and the rear end of the protective cover is made of a hollow metal plate.

Preferably, the surface of the control panel is provided with a control switch, and the control switch is electrically connected with the motor.

Preferably, the rear end of the paddle is provided with a transmission shaft, and the transmission shaft is connected with a transmission belt at the rear end.

Preferably, the fixed shaft is provided with a bottom end, one end of the bottom end is welded at the top end of the safety cover, and the other end of the bottom end is welded and fixed with the current limiting cover.

Compared with the prior art, the utility model provides a take energy-saving centrifugal fan of integration of wind pressure control possesses following beneficial effect:

the utility model discloses an integrated energy-saving centrifugal fan with wind pressure control is provided with the bottom plate on the surface of the fan main body, the surface of the chassis is provided with the motor, the rear end of the motor is provided with a driving belt, the top end of the driving belt is provided with the fan main body, the top end of the fan main body is provided with an exhaust port, the front end of the fan main body is provided with an air inlet, the front end surface of the air inlet can be provided with a safety cover, the top end of the safety cover is provided with a fixed shaft, the surface of the fixed shaft is connected with a current-limiting cover, the fan is fixed to a place needing to be placed, then a control switch on the surface of a control panel is pressed, the motor is started, the driving belt at the rear end is driven to rotate by the motor, the driving belt drives the paddle to rotate at high speed by the driving belt, then the dust cover at the exhaust port is opened, the paddle sucks gas through the air inlet and accelerates the paddle to be discharged through the exhaust port, when needs reduce the gas vent wind pressure, need reduce the air output, cover the surface of safety guard with the current-limiting cover on safety guard surface, make the air input of air inlet reduce, make the amount of wind of paddle reduce, the gas vent wind pressure has been reduced, compare and obtain the fan with the tradition, novel take energy-saving centrifugal fan of integration of wind pressure control can be through reducing the air input, reduce the wind pressure of gas vent, need not to change variable speed motor, use ordinary driving motor, guarantee that equipment ground uses into and the maintenance cost is lower.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of an integrated energy-saving centrifugal fan with wind pressure control according to the present invention;

fig. 2 is a schematic view of a high wind pressure structure of an integrated energy-saving centrifugal fan with wind pressure control according to the present invention;

fig. 3 is a schematic view of a low wind pressure structure of an integrated energy-saving centrifugal fan with wind pressure control according to the present invention;

fig. 4 is a schematic structural view of a transmission belt of an integrated energy-saving centrifugal fan with wind pressure control according to the present invention;

in the figure: 1. a fan main body; 2. a base plate; 3. a fixing plate; 4. a fixing bolt; 5. a motor; 6. a drive belt; 7. an exhaust port; 8. a dust cover; 9. a hinge; 10. an air inlet; 11. a paddle; 12. a control panel; 13. a safety shield; 14. a fixed shaft; 15. a flow-limiting shield.

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 a fixed connection, a detachable connection, or an integral connection; 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 present invention provides a technical solution:

the utility model provides a take energy-saving centrifugal fan of integration of wind pressure control, including fan main part 1 and bottom plate 2, the bottom of fan main part 1 is provided with bottom plate 2, the surface of bottom plate 2 is provided with fixed plate 3, the surface of fixed plate 3 is provided with gim peg 4, one side of gim peg 4 is provided with motor 5, the rear end of motor 5 is provided with driving belt 6, the top of fan main part 1 is provided with gas vent 7, one side of gas vent 7 is provided with hinge 9, one side of hinge 9 is provided with dust cover 8, the front end surface of fan main part 1 is provided with air inlet 10, the inside of air inlet 10 is provided with paddle 11, one side of fan main part 1 is provided with control panel 12, driving belt 6's top is provided with safety guard 13, the top of safety guard 13 is provided with fixed axle 14, the surface of fixed axle 14 is provided with current-limiting cover 15.

The utility model provides a take energy-saving centrifugal fan of integration of wind pressure control, fixed plate 3 is provided with two altogether, and two fixed plates 3 set up the both sides at motor 5 respectively, fixed axle 14 adopts the damping pivot, and fixed axle 14 has the spacing merit of automatic locking, drive belt 6's rear end is provided with the protection casing, and the rear end of protection casing adopts the fretwork metal sheet to make, control panel 12's surface is provided with control switch, and control switch and motor 5 electric connection, paddle 11's rear end you are provided with the transmission shaft, and the transmission shaft is connected with drive belt 6 of rear end, fixed axle 14 is provided with bottom one end welding on the top of safety guard 13 altogether, the other end and current-limiting cover 15 welded fastening.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the bottom plate 2 is placed at a required position, then the safety cover 13 is welded and fixed on the surface of the air inlet 10, then the current-limiting cover 15 is fixed at the upper end of the safety cover 13, the protective cover is fixedly arranged on the surface of the transmission belt 6, then the equipment is connected with the power supply, then the control switch of the control panel surface 12 is pressed, the motor 5 is started, the transmission belt 6 at the rear end is driven to rotate by the motor 5, the transmission belt 6 drives the paddle 11 inside the fan main body 1 to rotate at high speed by the transmission belt 6, then the dust cover 8 of the air outlet 7 is opened, the paddle 11 sucks gas through the air inlet 10 at one side, the safety cover 13 on the surface of the air inlet 10 effectively reduces the mistaken touch of the paddle 11 by workers, the occurrence of potential safety hazards is reduced, and the paddle 11 is accelerated to be discharged through the air outlet 7 inside the fan main body 1, when needs reduce gas vent 7 wind pressure, when needing to reduce the wind pressure of air-out, cover the surface of safety guard 13 with the current-limiting cover 15 of safety guard surface 13 face, reduce the air input of air inlet 10, gas vent 7 wind pressure has been reduced, compare and obtain the fan with the tradition, novel take energy-saving centrifugal fan of integration of wind pressure control can be through reducing the air input, reduce gas vent 7's wind pressure, need not to change gear motor 5, use ordinary driving machine, effectively reduce the manufacturing cost of fan.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take energy-saving centrifugal fan of integration of wind pressure control, includes fan main part (1) and bottom plate (2), its characterized in that: the fan is characterized in that a bottom plate (2) is arranged at the bottom end of the fan main body (1), a fixing plate (3) is arranged on the surface of the bottom plate (2), a fixing bolt (4) is arranged on the surface of the fixing plate (3), a motor (5) is arranged on one side of the fixing bolt (4), a transmission belt (6) is arranged at the rear end of the motor (5), an exhaust port (7) is arranged at the top end of the fan main body (1), a hinge (9) is arranged on one side of the exhaust port (7), a dust cover (8) is arranged on one side of the hinge (9), an air inlet (10) is arranged on the surface of the front end of the fan main body (1), a paddle (11) is arranged inside the air inlet (10), a control panel (12) is arranged on one side of the fan main body (1), a safety cover (13) is arranged above the transmission belt (6), and a fixing shaft (14) is arranged on the top end of the safety cover (13), the surface of the fixed shaft (14) is provided with a current limiting cover (15).

2. The integrated energy-saving centrifugal fan with the wind pressure control function according to claim 1, characterized in that: the two fixing plates (3) are arranged on the two sides of the motor (5) respectively.

3. The integrated energy-saving centrifugal fan with the wind pressure control function according to claim 1, characterized in that: the fixed shaft (14) adopts a damping rotating shaft, and the fixed shaft (14) has an automatic locking and limiting function.

4. The integrated energy-saving centrifugal fan with the wind pressure control function according to claim 1, characterized in that: the rear end of the transmission belt (6) is provided with a protective cover, and the rear end of the protective cover is made of a hollow metal plate.

5. The integrated energy-saving centrifugal fan with the wind pressure control function according to claim 1, characterized in that: the surface of the control panel (12) is provided with a control switch, and the control switch is electrically connected with the motor (5).

6. The integrated energy-saving centrifugal fan with the wind pressure control function according to claim 1, characterized in that: the rear end of the paddle (11) is provided with a transmission shaft, and the transmission shaft is connected with a transmission belt (6) at the rear end.

7. The integrated energy-saving centrifugal fan with the wind pressure control function according to claim 1, characterized in that: the fixed shaft (14) is provided with a bottom end, one end of the bottom end is welded at the top end of the safety cover (13), and the other end of the bottom end is welded and fixed with the current limiting cover (15).