CN216199082U

CN216199082U - Chute high pressure centrifugal fan

Info

Publication number: CN216199082U
Application number: CN202122802675.6U
Authority: CN
Inventors: 冯志伟; 李利涛; 张万毅; 时培培
Original assignee: Henan Dajing Fan Technology Co ltd
Current assignee: Henan Dajing Fan Technology Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-05
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a chute high-pressure centrifugal fan which comprises a base, wherein a noise reduction box is arranged on the upper end surface of the base, a sound insulation plate is arranged on the inner wall of the noise reduction box, a chute fan shell is arranged on one side in the noise reduction box, an air outlet pipe is arranged on one side of the chute fan shell, an air inlet is arranged in the middle of the chute fan shell, a protective net is arranged in the air inlet, a rain shield is arranged at the top of the air inlet, a fixed rod is arranged on the rear side of the chute fan shell, a vacuum cylinder is arranged in the middle of the rear side of the chute fan shell, a high-speed motor is arranged in the vacuum cylinder, a heat dissipation coil pipe is arranged at the rear end of the high-speed motor, and a water inlet and a water outlet are respectively formed in the top and the bottom of the heat dissipation coil pipe through the vacuum cylinder. Rainwater is blocked by the rain shield, foreign matters are blocked by the protective net, and rain shielding and sundry prevention are realized; the noise is absorbed by the sound insulation board, and the vacuum cylinder isolates the noise generated by the high-speed motor, so that the low noise is realized; the water flow enters the heat dissipation coil pipe from the water inlet and flows out of the water outlet after heat transfer with heat generated by the motor, and the heat dissipation effect of the motor is good.

Description

Chute high pressure centrifugal fan

Technical Field

The utility model relates to the technical field of centrifugal fans, in particular to a chute high-pressure centrifugal fan.

Background

The centrifugal fan is a driven fluid machine which increases the gas pressure and discharges gas by means of input mechanical energy, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.

Chute high-pressure centrifugal fan is stronger for ordinary centrifugal fan wind pressure, the motor power is bigger, therefore the wind speed of its air intake is very fast, easily with rainwater and debris suction fan inside, lead to inside getting rusty easily of fan and causing centrifugal fan to use not smooth, influence its normal work efficiency, and because high-pressure centrifugal fan motor rotational speed high power is big, the noise and the heat of its production are more relatively, in case the motor is overheated, will seriously influence production efficiency, the vibration of fan casing is stronger, the noise of production is great, the noise is too big will seriously influence workman's physical and mental health.

SUMMERY OF THE UTILITY MODEL

The utility model provides a chute high-pressure centrifugal fan which has the advantages of rain shielding, sundry prevention, good motor heat dissipation effect, low noise and the like, and solves the problems that rainwater and sundries are sucked into the fan, so that the inside of the fan is easy to rust and the centrifugal fan is not smoothly used, the noise and heat generated by a motor of the centrifugal fan are high, once the motor is overheated, the production efficiency is seriously influenced, the vibration of a fan shell is strong, the generated noise is high, the physical and mental health of workers is seriously influenced due to overlarge noise, and the like.

In order to achieve the purpose, the utility model provides the following technical scheme: a chute high-pressure centrifugal fan comprises a base, wherein a noise reduction box is fixedly connected to the upper end surface of the base, a sound insulation board is fixedly connected to the inner wall of the noise reduction box, a chute fan shell is fixedly connected to one side of the inner wall of the noise reduction box, an air outlet pipe is arranged on one side of the chute fan shell and communicated with the outside of the noise reduction box, an air inlet is arranged in the middle of the chute fan shell and communicated with the outside of the noise reduction box, a protective net is fixedly installed in the air inlet, a rain shield is arranged at the top of the air inlet, a fixing rod is fixedly connected between the rear side of the chute fan shell and the noise reduction box, a vacuum cylinder is fixedly connected to the middle of the rear side of the chute fan shell, a high-speed motor is fixedly installed in the vacuum cylinder, a heat dissipation coil is arranged between the rear end of the high-speed motor and the vacuum cylinder, a water inlet is arranged at the top of the heat dissipation coil and communicated with the vacuum cylinder, and a water outlet is arranged at the bottom of the heat dissipation coil, and the water inlet and the water outlet are communicated with the outside of the noise reduction box.

As a further description of the above technical solution:

the bottom of the shell of the chute fan is fixedly connected with the base through a connecting plate.

As a further description of the above technical solution:

four corners of the bottom of the base are rotatably connected with universal wheels.

As a further description of the above technical solution:

the number of the fixed rods is two, and the two fixed rods are respectively arranged at two ends of the rear side of the shell of the chute fan.

As a further description of the above technical solution:

the length and the width of the base are respectively greater than those of the noise reduction box.

As a further description of the above technical solution:

the sound insulation board is a polyester fiber sound absorption board.

As a further description of the above technical solution:

the vacuum cylinder is arranged in a vacuum mode.

The utility model has the following beneficial effects:

1. the chute high-pressure centrifugal fan adopts the rain shield and the protective net, so that rainwater close to the air inlet is blocked by the rain shield, and foreign matters sucked into the air inlet by airflow are blocked by the protective net, thereby realizing rain shielding and sundries prevention, and avoiding the phenomenon that the interior of the fan is easy to rust and the centrifugal fan is not smooth to use due to the fact that rainwater and sundries are sucked into the interior of the fan;

2. the chute high-pressure centrifugal fan adopts the sound insulation plate, the fixed rod and the vacuum cylinder, so that the noise in the fan is absorbed through the sound insulation plate, the connection degree of the chute fan shell and the noise reduction box is reinforced through the fixed rod, the vibration amplitude is reduced, the noise generated by the high-speed motor is isolated through the vacuum cylinder, the low noise is realized, the influence of the noise on workers is reduced, and the working environment of the workers is improved;

3. this chute high pressure centrifugal fan is owing to adopted heat dissipation coil pipe, water inlet, delivery port, gets into heat dissipation coil pipe from the water inlet through rivers, carries out the heat transfer back with the heat that the interior motor of vacuum tube produced, flows from the delivery port, dispels the heat to the motor, and then realizes that the motor radiating effect is good, avoids high-speed motor high temperature to lead to overheated, influences work efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic side sectional view of a chute high-pressure centrifugal fan according to the present invention;

FIG. 2 is a schematic structural view of a front cross section of a chute high-pressure centrifugal fan provided by the utility model;

fig. 3 is a front view subjective structure schematic diagram of a chute high-pressure centrifugal fan provided by the utility model.

The reference numerals are explained below:

1. a base; 2. a noise reduction box; 3. a sound insulating board; 4. a chute fan housing; 5. an air outlet pipe; 6. an air inlet; 7. a protective net; 8. a rain shield; 9. fixing the rod; 10. a vacuum cylinder; 11. a high-speed motor; 12. a heat-dissipating coil pipe; 13. a water inlet; 14. a water outlet; 15. a connecting plate; 16. a universal wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the present invention provides a new technical solution: the utility model provides a chute high pressure centrifugal fan, includes base 1, the case 2 of making an uproar falls in 1 up end fixedly connected with of base, the length and the width of base 1 are greater than the length and the width of making an uproar case 2 of making an uproar fall to guarantee that centrifugal fan places steadily, be difficult for turning on one's side because of the wind speed is too big, 2 inner wall fixedly connected with acoustic celotex board 3 of making an uproar fall, acoustic celotex board 3 sets up to polyester fiber abatvoix, and its raw materials 100% is polyester fiber, has to inhale sound, environmental protection, fire-retardant, thermal-insulated, keeps warm, dampproofing, anti-mildew, easily removes dust, easy cutting, can piece together the flower, construction is simple and convenient, stability is good, shock resistance is good, the independence is good, the advantage such as, absorbs the noise of making an uproar 2 incasement through acoustic celotex board 3. The chute fan shell 4 is fixedly connected to one side of the inner wall of the noise reduction box 2, the bottom of the chute fan shell 4 is fixedly connected with the base 1 through a connecting plate 15 so as to enhance the connection firmness of the chute fan shell 4, an air outlet pipe 5 is communicated with the outer portion of the noise reduction box 2 on one side of the chute fan shell 4, an air inlet 6 is communicated with the middle portion of the chute fan shell 4 and the outer portion of the noise reduction box 2, airflow enters the inside of the fan from the air inlet 6 and is sent out from the air outlet pipe 5 after pressurization, a protective screen 7 is fixedly installed in the air inlet 6, a rain shield 8 is arranged at the top of the air inlet 6, rainwater close to the air inlet 6 is blocked through the rain shield 8, foreign matters sucked into the air inlet 6 by the airflow are blocked through the protective screen 7, a fixed rod 9 is fixedly connected between the rear side of the chute fan shell 4 and the noise reduction box 2, and the number of the fixed rods 9 is two, two dead levers 9 set up respectively at 4 rear side both ends of chute fan shell, consolidate chute fan shell 4 and the connection degree of making an uproar case 2 of making an uproar through dead lever 9, reduce vibration amplitude to reduce the noise. The vacuum fan is characterized in that a vacuum cylinder 10 is fixedly connected to the middle of the rear side of a chute fan shell 4, the vacuum cylinder 10 is arranged in a vacuum mode, a high-speed motor 11 is fixedly installed in the vacuum cylinder 10, fan blades in the chute fan shell 4 are driven to rotate through the high-speed motor 11, air in the fan is pressurized to enable the vacuum cylinder 10 to become a high-pressure centrifugal fan, noise generated by the high-speed motor 11 is isolated through the vacuum cylinder 10 due to the fact that sound cannot be transmitted in the vacuum mode, a heat dissipation coil 12 is arranged between the rear end of the high-speed motor 11 and the vacuum cylinder 10, the top of the heat dissipation coil 12 penetrates through the vacuum cylinder 10 to be communicated with a water inlet 13, the bottom of the heat dissipation coil 12 penetrates through the vacuum cylinder 10 to be communicated with a water outlet 14, the water inlet 13 and the water outlet 14 are both communicated with the outside of the noise reduction box 2, water flows into the heat dissipation coil 12 from the water inlet 13 and is subjected to heat transmission with heat generated by the high-speed motor 11 in the vacuum cylinder 10, flow out from delivery port 14, dispel the heat to high-speed motor 11 to it is good to guarantee high-speed motor 11 radiating effect, base 1 bottom four corners is rotated and is connected with universal wheel 16, removes to the convenient chute high pressure centrifugal fan.

The working principle and the using process of the utility model are as follows: when the chute high-pressure centrifugal fan is used, the chute high-pressure centrifugal fan is pushed to a working place through the universal wheel 16, the high-speed motor 11 is started, the high-speed motor 11 drives the fan blades in the chute fan shell 4 to rotate, air in the chute fan shell 4 is pressurized, airflow enters the fan from the air inlet 6 and is sent out from the air outlet pipe 5 after pressurization, the noise in the noise reduction box 2 is absorbed by the sound insulation plate 3, rainwater close to the air inlet 6 is blocked by the rain shield 8, foreign matters sucked into the air inlet 6 by the airflow are blocked by the protective net 7, the connection degree of the chute fan shell 4 and the noise reduction box 2 is strengthened by the fixed rod 9, the vibration amplitude of the shell is reduced, and because the vacuum cannot transmit sound, the noise generated by the high-speed motor 11 is isolated through the vacuum cylinder 10, so that the noise is reduced, the water flow enters the heat dissipation coil 12 from the water inlet 13 and is subjected to heat transfer with heat generated by the high-speed motor 11 in the vacuum cylinder 10, and flows out of the water outlet 14 to dissipate heat of the high-speed motor 11 so as to ensure that the heat dissipation state of the high-speed motor 11 is good.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a chute high pressure centrifugal fan, includes base (1), its characterized in that: the noise reduction box is characterized in that a noise reduction box (2) is fixedly connected to the upper end face of the base (1), a sound insulation board (3) is fixedly connected to the inner wall of the noise reduction box (2), a chute fan shell (4) is fixedly connected to one side of the inner wall of the noise reduction box (2), an air outlet pipe (5) is arranged on one side of the chute fan shell (4) and communicated with the outside of the noise reduction box (2), an air inlet (6) is arranged in the middle of the chute fan shell (4) and communicated with the outside of the noise reduction box (2), a protective screen (7) is fixedly installed in the air inlet (6), a rain shield (8) is arranged at the top of the air inlet (6), a fixed rod (9) is fixedly connected between the rear side of the chute fan shell (4) and the noise reduction box (2), a chute fan shell (4) rear side middle is fixedly connected with a vacuum cylinder (10), and a high-speed motor (11) is fixedly installed in the vacuum cylinder (10), be provided with heat dissipation coil pipe (12) between high speed motor (11) rear end and a vacuum tube (10), heat dissipation coil pipe (12) top is run through a vacuum tube (10) intercommunication and is provided with water inlet (13), heat dissipation coil pipe (12) bottom is run through a vacuum tube (10) intercommunication and is provided with delivery port (14), and water inlet (13) and delivery port (14) all with noise reduction box (2) outside intercommunication setting.

2. The chute high-pressure centrifugal fan as claimed in claim 1, wherein: the bottom of the chute fan shell (4) is fixedly connected with the base (1) through a connecting plate (15).

3. The chute high-pressure centrifugal fan as claimed in claim 2, wherein: four corners of the bottom of the base (1) are rotatably connected with universal wheels (16).

4. The chute high-pressure centrifugal fan as claimed in claim 3, wherein: the two fixing rods (9) are respectively arranged at the two ends of the rear side of the chute fan shell (4).

5. The chute high-pressure centrifugal fan as claimed in claim 4, wherein: the length and the width of the base (1) are respectively greater than those of the noise reduction box (2).

6. The chute high-pressure centrifugal fan as claimed in claim 5, wherein: the sound insulation board (3) is a polyester fiber sound absorption board.

7. The chute high-pressure centrifugal fan as claimed in claim 6, wherein: the vacuum cylinder (10) is arranged in a vacuum mode.