CN207864204U - A kind of high pressure positive blower of high efficiency low noise - Google Patents

Abstract

The utility model discloses a kind of high pressure positive blowers of high efficiency low noise, including fan assembly and Power Component, the fan assembly includes blower housing, embedded muffler, wind pipe, impeller and grid, the blower housing is fixedly connected with the wind pipe, the wind pipe is located at the left side of the wind pipe, and the embedded muffler is located at the inner surface of the wind pipe；The grid, which can carry out disorderly air-flow to arrange, to be entered as stable air-flow inside the blower housing; noise is generated to prevent disorderly air-flow from hitting the impeller; the grid can also filter winged insect and sundries; winged insect and sundries is avoided to enter to be effectively protected wind turbine; compared to more existing high pressure positive blower; novel high pressure positive blower can reduce the noise generated when work; wind turbine can also be protected simultaneously; while improving safety when using; service efficiency need not be improved indirectly to being cleared up into blower interior sundries.

Description

A kind of high pressure positive blower of high efficiency low noise

Technical field

The utility model belongs to high pressure positive blower technical field, and in particular to a kind of high pressure positive blower of high efficiency low noise.

Background technology

Wind turbine has long history.China is just producing simple wooden husking windmill B.C. many years, it Action principle and modern centrifugal wind turbine it is essentially identical, 1862, the Gui Bell invented centrifugal blower of Britain, impeller, casing For concentric ring type, casing brick system, wooden impeller uses backward-inclined blade, and efficiency is only 40% or so, and it is logical to be mainly used for mine Wind, 1880, people designed the volute casing for mine dispatch wind, and the centrifugal blower of backward camber blades, and structure is It is fairly perfect.France in 1892 is developed into crossflow fan, 1898, Irishman design the Xi Luokeshi of Forword vane from Heart wind turbine, and it is widely used for various countries.

The air-flow of the high pressure positive blower of existing market air inlet when in use is more disorderly, and unstable air-flow enters outside wind turbine It will produce prodigious noise after shell, the noise in Work places not only interferes communication, but also can influence working efficiency, very To causing contingency.

Utility model content

The purpose of this utility model is to provide a kind of high pressure positive blowers of high efficiency low noise, to solve above-mentioned background technology The air-flow of the high pressure positive blower of the existing market of middle proposition air inlet when in use is more disorderly, and unstable air-flow enters outside wind turbine It will produce prodigious noise after shell, the noise in Work places not only interferes communication, but also can influence working efficiency, very To the problem of causing contingency.

To achieve the above object, the utility model provides the following technical solutions：A kind of high pressure positive blower of high efficiency low noise, Including fan assembly and Power Component, the fan assembly include blower housing, embedded muffler, wind pipe, impeller and Grid, the blower housing are fixedly connected with the wind pipe, and the wind pipe is located at the left side of the blower housing, institute The inner surface that embedded muffler is located at the wind pipe is stated, the impeller is located at the inside of the blower housing, the wind The lateral wall of machine shell offers air inlet, and the air inlet is located at the center position of the blower housing, the grid with The blower housing is fixedly connected, and the Power Component includes terminal box, motor, heat dissipating housing and transmission shaft, and the motor is fixed It is connected to the blower housing, side of the motor far from the blower housing is provided with the heat dissipating housing, and the motor is solid Surely it is connected to the terminal box, the terminal box is located at the top of the motor, and the output shaft of the motor passes through the transmission Axis is sequentially connected in the impeller, and the terminal box and motor are electrically connected with external power supply.

Preferably, the heat dissipation cover outer surface offers heat emission hole.

Preferably, the grid is formed by partition board cross arrangement, side setting of the partition board far from the blower housing For arc.

Preferably, the inside hush tube of the embedded muffler, the hush tube are internally provided with porous sound absorption material Material.

Preferably, the outer surface of the motor is provided with noise reduction sponge.

Compared with prior art, the utility model has the beneficial effects that：A kind of high efficiency low noise of the utility model High pressure positive blower arranges the air-flow of entrance by the way that the grid is arranged, when the motor is started to work, the motor Output shaft drive the impeller high speed rotation, the impeller that air is passed through the air inlet and sucks institute by the transmission shaft It states inside blower housing, the grid, which can carry out disorderly air-flow to arrange, to be entered as stable air-flow in the blower housing Portion generates noise to prevent disorderly air-flow from hitting the impeller, and in blower fan work, the grid can also filter winged Worm and sundries avoid winged insect and sundries from entering to be effectively protected wind turbine, compare more existing high pressure positive blower, novel high pressure Wind turbine can reduce the noise generated when work, while can also protect wind turbine, while improving safety when using, not need To being cleared up into blower interior sundries, service efficiency is improved indirectly.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of impeller in the utility model；

Fig. 3 is the structural schematic diagram of air inlet in the utility model；

Fig. 4 is the structural schematic diagram of grid in the utility model；

Fig. 5 is the structural schematic diagram of embedded muffler in the utility model；

In figure：1- fan assemblies, 2- Power Components, 11- blower housings, the embedded mufflers of 12-, 13- wind pipes, 14- impellers, 15- air inlets, 16- grids, 21- terminal boxes, 22- motors, 23- heat dissipating housings, 24- transmission shafts.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 5 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of high pressure positive blower of high efficiency low noise, packet Fan assembly 1 and Power Component 2 are included, fan assembly 1 includes blower housing 11, embedded muffler 12, wind pipe 13, impeller 14 and grid 16, blower housing 11 be fixedly connected with wind pipe 13, wind pipe 13 is located at the left side of blower housing 11, embed Formula muffler 12 is located at the inner surface of wind pipe 13, and impeller 14 is located at the inside of blower housing 11, the outside of blower housing 11 Wall offers air inlet 15, and air inlet 15 is located at the center position of blower housing 11, and grid 16 is fixed with blower housing 11 to be connected It connects, Power Component 2 includes terminal box 21, motor 22, heat dissipating housing 23 and transmission shaft 24, and motor 22 is fixedly connected on blower housing 11, side of the motor 22 far from blower housing 11 is provided with heat dissipating housing 23, and motor 22 is fixedly connected on terminal box 21, terminal box 21 Positioned at the top of motor 22, the output shaft of motor 22 is sequentially connected by transmission shaft 24 in impeller 14, terminal box 21 and motor 22 It is electrically connected with external power supply.

In the present embodiment, the air-flow of entrance is arranged by the way that grid 16 is arranged, when motor 22 starts work When making, for the output shaft of motor 22 by 24 impeller of transmission shaft, 14 high speed rotation, impeller 14 inhales air by air inlet 15 Enter inside blower housing 11, grid 16, which can carry out disorderly air-flow to arrange, to be entered as stable air-flow in blower housing 11 Portion generates noise to prevent disorderly air-flow from hitting impeller 14, in blower fan work, grid 16 can also filter winged insect and Sundries avoids winged insect and sundries from entering to be effectively protected wind turbine, compares more existing high pressure positive blower, novel high pressure positive blower The noise generated when work can be reduced, while wind turbine can also be protected, improve use when safety while, need not into Enter blower interior sundries to be cleared up, improves service efficiency indirectly.

In the present embodiment, noise is reduced by the way that grid 16 and embedded muffler 12 is arranged, when motor 22 is opened Will produce noise when beginning work, the noise that the noise reduction sponge of 22 outer surface of motor generates when can work motor absorbs, To reduce noise generation motor 22 output shaft by 24 impeller of transmission shaft, 14 high speed rotation, impeller 14 leads to air It crosses air inlet 15 to suck inside blower housing 11, side of the partition board far from blower housing 11 is set as arc can be by outer gas stream When hitting partition board, reduce the resistance of wind, hitting partition board to reducing air-flow reduces noise, grid 16 can by disorderly air-flow into Row, which arranges, to be entered as stable air-flow inside blower housing 11, is generated and is made an uproar to prevent disorderly air-flow from hitting impeller 14 Sound, when air-flow is discharged from wind pipe 13, the noise of air-flow and the friction generation of wind pipe 13 can pass through the inside of hush tube The sound-absorbing porous material of setting is absorbed, and to reduce the generation of noise, in blower fan work, grid 16 can also filter winged Worm and sundries avoid winged insect and sundries from entering to be effectively protected wind turbine, compare more existing high pressure positive blower, novel high pressure Wind turbine can reduce the noise generated when work, while can also protect wind turbine, while improving safety when using, not need To being cleared up into blower interior sundries, service efficiency is improved indirectly.

Further, 23 outer surface of heat dissipating housing offers heat emission hole.

In the present embodiment, it is radiated when motor 22 being helped to work by the way that heat emission hole is arranged, when motor 22 is long Between work and will produce huge heat, heat transfer to heat dissipating housing 23 enables to the interior outer space of heat dissipating housing 23 by heat emission hole Gas can recycle, and to cool down to motor 22, be conducive to extend the service life of motor 22.

Further, grid 16 is formed by partition board cross arrangement, and side of the partition board far from blower housing 11 is set as arc.

In the present embodiment, the air-flow of entrance is arranged by the way that grid 16 is arranged, when motor 22 starts work When making, for the output shaft of motor 22 by 24 impeller of transmission shaft, 14 high speed rotation, impeller 14 inhales air by air inlet 15 Enter inside blower housing 11, side of the partition board far from blower housing 11 be set as arc can by outer gas stream hit partition board when, The resistance for reducing wind hits partition board to reducing air-flow and reduces noise, and grid 16 can carry out disorderly air-flow to arrange becomes Stable air-flow enters inside blower housing 11, noise is generated to prevent disorderly air-flow from hitting impeller 14, in fanman When making, grid 16 can also filter winged insect and sundries, avoid winged insect and sundries from entering to be effectively protected wind turbine, compared to more existing Some high pressure positive blowers, novel high pressure positive blower can reduce the noise generated when work, while can also protect wind turbine, improve and use When safety while, service efficiency need not be improved indirectly to clear up into blower interior sundries.

Further, the inside hush tube of embedded muffler 12, hush tube are internally provided with sound-absorbing porous material.

In the present embodiment, the noise of the generation of wind pipe 13 is reduced by the way that embedded muffler 12 is arranged, works as gas When stream is discharged from wind pipe 13, the noise of air-flow and the friction generation of wind pipe 13 can pass through the more of the inside of hush tube setting Hole sound absorbing material is absorbed, to reduce the generation of noise.

Further, the outer surface of motor 22 is provided with noise reduction sponge.

In the present embodiment, the noise generated when motor 22 works is reduced by the way that noise reduction sponge is arranged, when motor 22 It will produce noise when start-up operation, the noise that the noise reduction sponge of 22 outer surface of motor generates when can work motor is inhaled It receives, to reduce the generation of noise.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of high pressure positive blower of high efficiency low noise, it is characterised in that：Including fan assembly（1）And Power Component（2）, described Fan assembly（1）Including blower housing（11）, embedded muffler（12）, wind pipe（13）, impeller（14）And grid（16）, The blower housing（11）With the wind pipe（13）It is fixedly connected, the wind pipe（13）Positioned at the blower housing （11）Left side, the embedded muffler（12）Positioned at the wind pipe（13）Inner surface, the impeller（14）It is located at The blower housing（11）Inside, the blower housing（11）Lateral wall offer air inlet（15）, the air inlet （15）Positioned at the blower housing（11）Center position, the grid（16）With the blower housing（11）It is fixedly connected,

The Power Component（2）Including terminal box（21）, motor（22）, heat dissipating housing（23）And transmission shaft（24）, the motor （22）It is fixedly connected on the blower housing（11）, the motor（22）Far from the blower housing（11）Side setting State heat dissipating housing（23）, the motor（22）It is fixedly connected on the terminal box（21）, the terminal box（21）Positioned at the motor （22）Top, the motor（22）Output shaft pass through the transmission shaft（24）It is sequentially connected in the impeller（14）, described Terminal box（21）And motor（22）It is electrically connected with external power supply.

2. a kind of high pressure positive blower of high efficiency low noise according to claim 1, it is characterised in that：The heat dissipating housing（23） Outer surface offers heat emission hole.

3. a kind of high pressure positive blower of high efficiency low noise according to claim 1, it is characterised in that：The grid（16）By Partition board cross arrangement forms, and the partition board is far from the blower housing（11）Side be set as arc.

4. a kind of high pressure positive blower of high efficiency low noise according to claim 1, it is characterised in that：The embedded noise reduction Device（12）Inside hush tube, the hush tube is internally provided with sound-absorbing porous material.

5. a kind of high pressure positive blower of high efficiency low noise according to claim 1, it is characterised in that：The motor（22）'s Outer surface is provided with noise reduction sponge.