CN219220842U

CN219220842U - Single-stage centrifugal blower with heat dissipation function

Info

Publication number: CN219220842U
Application number: CN202320313275.5U
Authority: CN
Inventors: 张雅军; 张立影; 郭修建
Original assignee: Changchun Yaxing Fluid Technology Engineering Co ltd
Current assignee: Changchun Yaxing Fluid Technology Engineering Co ltd
Priority date: 2023-02-25
Filing date: 2023-02-25
Publication date: 2023-06-20
Anticipated expiration: 2033-02-25

Abstract

The utility model discloses a single-stage centrifugal blower with a heat dissipation function, and relates to the field of centrifugal blowers. The single-stage centrifugal blower with the heat radiation function comprises a centrifugal blower main body and a driving motor arranged on the back of the centrifugal blower main body, wherein an air outlet pipe is arranged on one side of the bottom end of the centrifugal blower main body, a guide bent pipe used for guiding air flow is arranged in the air outlet pipe, a heat radiation air collection cover is arranged on the outer surface of the driving motor, and an air guide pipe is arranged between the guide bent pipe and the heat radiation air collection cover. This single-stage centrifugal blower with heat dissipation function, when driving motor starts, compressed air is when outwards discharging through the tuber pipe, and some can enter into inside the water conservancy diversion return bend, enters into the bar radiating groove inside through a plurality of apopores, accelerates the circulation of air on bar radiating groove surface to play and strengthen radiating effect to driving motor.

Description

Single-stage centrifugal blower with heat dissipation function

Technical Field

The utility model relates to the technical field of centrifugal fans, in particular to a single-stage centrifugal blower with a heat dissipation function.

Background

The single-stage centrifugal blower is a high-speed centrifugal blower, and drives an internal impeller to rotate by installing a motor on the side face, so that primary air compression is realized, and then high-speed air flow discharge is realized through an air outlet.

The existing single-stage centrifugal blower has the problems that when in use, the motor is seriously heated, and the motor is easy to burn out due to overlong continuous operation time;

the main reason for this problem is that only one group of impellers is arranged inside the single-stage centrifugal blower, so the rotating speed of the motor can reach tens of thousands of revolutions or even hundreds of thousands of revolutions, the rotor of the motor is in an ultra-high speed rotating state when in use, the heating condition inside the motor is serious at the moment, the heat dissipation measures are that the heat dissipation housing is only arranged on the surface of the motor, the heat dissipation housing is provided with a plurality of heat dissipation grooves so as to achieve the effect of increasing the heat dissipation area, but the heat exchange speed between the heat and the outside air is slower through the heat dissipation housing, so that effective heat dissipation cannot be realized, and the single-stage centrifugal blower with the heat dissipation function is provided for solving the problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a single-stage centrifugal blower with a heat dissipation function, and solves the problems that the motor is seriously heated and the motor is easily burnt out when the conventional single-stage centrifugal blower is used for a long time.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: a single stage centrifugal blower having a heat dissipation function, comprising;

a centrifugal blower body and a driving motor mounted on the back of the centrifugal blower body;

the air outlet pipe is arranged at one side of the bottom end of the centrifugal blower main body;

a diversion elbow pipe used for guiding air flow is arranged in the air outlet pipe, a heat dissipation and air collection cover is arranged on the outer surface of the driving motor, an air guide pipe is arranged between the diversion elbow pipe and the heat dissipation and air collection cover, and the heat dissipation and air collection cover comprises;

the gas collecting cover shell is movably sleeved on the outer surface of the driving motor;

the annular pipe is arranged at the tail end of the gas collecting housing;

the air outlet holes are formed in the inner side of the annular tube, the outer surface of the driving motor is provided with a plurality of strip-shaped heat dissipation grooves, and the air outlet holes are opposite to the strip-shaped heat dissipation grooves.

Preferably, the centrifugal blower main body is fixedly welded with a supporting seat, and the air inlet of the centrifugal blower main body is provided with a dust screen.

Preferably, a plurality of shunt tubes are installed at the top of air duct, the other end of shunt tubes is linked together with the inside of annular pipe, a plurality of exhaust holes have been seted up to the terminal surface of gas collecting housing.

Preferably, the inside of air duct is installed and is strained dirt mechanism, it includes fixed welding at air duct middle part lower surface dust removal storehouse to strain dirt mechanism, the inside in dust removal storehouse is provided with the filter screen.

Preferably, a support plate is movably inserted in the dust removal bin, the filter screen is mounted on the outer surface of the support plate, a dust hopper is fixed on the inner bottom of the dust removal bin through bolts, and the bottom end of the support plate abuts against the top of the dust hopper.

The utility model discloses a single-stage centrifugal blower with a heat dissipation function, which has the following beneficial effects:

1. this single-stage centrifugal blower with heat dissipation function, when driving motor starts, the compressed air that the inside absorption of centrifugal blower main part is when outwards discharging through the tuber pipe, some can enter into the water conservancy diversion return bend inside, then enter into the annular pipe inside through the air duct, then enter into the bar heat dissipation inslot portion through a plurality of apopores, and outwards discharge from the exhaust hole, with this air circulation that accelerates bar heat dissipation inslot surface, make its heat exchange rate with the outside air strengthen, thereby play and carry out the radiating effect of reinforcing to driving motor.

2. This single-stage centrifugal blower with heat dissipation function, after the air current enters into the air duct inside, the air current passes the filter screen, filters the dust that carries in the air current, and filterable dust falls into the dust hopper down inside and collects to reduce the dust and enter into annular duct and bar heat dissipation inslot portion, avoid the dust adhesion to lead to the condition emergence that the radiating effect is bad at bar heat dissipation inslot portion, and after a period of use, can take down the dust hopper and empty the dust, take down the filter screen simultaneously clean.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall frontal structure of the present utility model;

FIG. 2 is a rear structural cross-sectional view of the centrifugal blower body of the present utility model;

FIG. 3 is a cross-sectional view of the internal structure of the heat dissipation and collection fan housing of the present utility model;

fig. 4 is a sectional view showing the internal structure of the airway tube of the present utility model.

In the figure: 1. a centrifugal blower body; 2. a driving motor; 3. an air outlet pipe; 4. a support base; 5. an air duct; 6. a diversion elbow; 7. a heat-dissipating wind-collecting hood; 71. a gas collecting hood shell; 72. an annular tube; 73. an air outlet hole; 74. an exhaust hole; 8. a strip-shaped heat dissipation groove; 9. a dust filtering mechanism; 91. a dust removal bin; 92. a support plate; 93. a filter screen; 94. a dust hopper; 10. a shunt tube.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment of the application solves the problems that when the traditional single-stage centrifugal blower is used, a motor is seriously heated, and the motor is easy to burn out due to overlong continuous operation time.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

Embodiment 1,

The embodiment of the utility model discloses a single-stage centrifugal blower with a heat dissipation function.

According to the accompanying figures 1-4, comprising;

a centrifugal blower body 1 and a driving motor 2 mounted on the back of the centrifugal blower body 1;

the air outlet pipe 3 is arranged at one side of the bottom end of the centrifugal blower main body 1;

a diversion elbow 6 for guiding air flow is arranged in the air outlet pipe 3, a heat dissipation and collection fan cover 7 is arranged on the outer surface of the driving motor 2, an air duct 5 is arranged between the diversion elbow 6 and the heat dissipation and collection fan cover 7, and the heat dissipation and collection fan cover 7 comprises;

the gas collecting cover shell 71, the gas collecting cover shell 71 is movably sleeved on the outer surface of the driving motor 2;

an annular pipe 72, the annular pipe 72 being mounted at the end of the gas-collecting housing 71;

the air outlet holes 73, a plurality of air outlet holes 73 are formed in the inner side of the annular tube 72, a plurality of strip-shaped heat dissipation grooves 8 are formed in the outer surface of the driving motor 2, and the air outlet holes 73 are opposite to the strip-shaped heat dissipation grooves 8.

The centrifugal blower body 1 is fixedly welded with a supporting seat 4, and a dust screen is arranged at an air inlet of the centrifugal blower body 1.

The top of the air duct 5 is provided with a plurality of shunt tubes 10, the other ends of the shunt tubes 10 are communicated with the inside of the annular tube 72, and the outer surface of the tail end of the air collecting cover shell 71 is provided with a plurality of exhaust holes 74.

Working principle: when the device is used, the air outlet pipe 3 is internally provided with the guide bent pipe 6, the end part of the guide bent pipe 6 faces the inner side of the air outlet pipe 3, so that when the driving motor 2 is started, part of compressed air absorbed in the centrifugal blower main body 1 enters the inside of the guide bent pipe 6 when being discharged outwards through the air outlet pipe 3, then enters the inside of the annular pipe 72 through the air outlet pipe 5, then enters the inside of the strip-shaped heat dissipation groove 8 through the plurality of air outlet holes 74 and is discharged outwards from the air outlet holes 74, and the air circulation on the surface of the strip-shaped heat dissipation groove 8 is accelerated, so that the heat exchange rate between the compressed air and external air is enhanced, and the effect of enhancing heat dissipation of the driving motor 2 is achieved;

embodiment II,

According to the drawings 1-4, the dust filtering mechanism 9 is arranged in the air duct 5, the dust filtering mechanism 9 comprises a dust removing bin 91 fixedly welded on the lower surface of the middle part of the air duct 5, and a filter screen 93 is arranged in the dust removing bin 91.

The inside activity grafting of dust removal storehouse 91 has a mounting panel 92, and filter screen 93 installs the surface at mounting panel 92, and the inner bottom in dust removal storehouse 91 is fixed with dust hopper 94 through the bolt, and the bottom of mounting panel 92 offsets with dust hopper 94 top.

Working principle: the device is in the in-process of using, after the air current enters into air duct 5 inside, the air current passes filter screen 93, filters the dust that carries in the air current, and filterable dust falls into dust hopper 94 inside downwards and collects to reduce the dust and enter into annular duct 72 and bar heat dissipation inslot 8 inside, avoid the dust adhesion to lead to the condition emergence that the radiating effect is bad in bar heat dissipation inslot 8 inside, and after a period of use, can take down dust hopper 94 and empty, take down filter screen 93 simultaneously clean.

In summary, compared with the prior art, the method has the following beneficial effects:

1. when the driving motor 2 is started, a part of compressed air absorbed in the centrifugal blower body 1 enters the guide bent pipe 6 when being discharged outwards through the air outlet pipe 3, then enters the annular pipe 72 through the air outlet pipe 5, then enters the strip-shaped heat dissipation groove 8 through the plurality of air outlet holes 74 and is discharged outwards from the air outlet holes 74, so that the air circulation on the surface of the strip-shaped heat dissipation groove 8 is accelerated, the heat exchange rate between the air and the external air is enhanced, and the effect of enhancing heat dissipation of the driving motor 2 is achieved

2. After the air current enters into air duct 5 inside, the air current passes filter screen 93, filters the dust that carries in the air current, and filterable dust falls into the dust hopper 94 inside downwards and collects to reduce the dust and enter into annular duct 72 and bar heat dissipation inslot 8 inside, avoid the dust adhesion to lead to the condition emergence that the radiating effect is poor at bar heat dissipation inslot 8 inside, and after a period of use, can take down dust hopper 94 and empty, take down filter screen 93 simultaneously clean.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A single stage centrifugal blower having a heat dissipation function, comprising;

a centrifugal blower body (1) and a driving motor (2) mounted on the back of the centrifugal blower body (1);

the air outlet pipe (3) is arranged at one side of the bottom end of the centrifugal blower main body (1);

the method is characterized in that: a diversion elbow pipe (6) for guiding air flow is arranged in the air outlet pipe (3), a heat dissipation and air collection cover (7) is arranged on the outer surface of the driving motor (2), an air guide pipe (5) is arranged between the diversion elbow pipe (6) and the heat dissipation and air collection cover (7), and the heat dissipation and air collection cover (7) comprises;

the gas collecting cover shell (71), the gas collecting cover shell (71) is movably sleeved on the outer surface of the driving motor (2);

an annular pipe (72), the annular pipe (72) being mounted at the end of the gas-collecting housing (71);

the air outlet holes (73), a plurality of air outlet holes (73) are formed in the inner side of the annular tube (72), a plurality of strip-shaped heat dissipation grooves (8) are formed in the outer surface of the driving motor (2), and the air outlet holes (73) are opposite to the strip-shaped heat dissipation grooves (8).

2. A single-stage centrifugal blower with heat dissipation function according to claim 1, characterized in that: the centrifugal blower is characterized in that the supporting seat (4) is fixedly welded on the centrifugal blower body (1), and a dust screen is installed at an air inlet of the centrifugal blower body (1).

3. A single-stage centrifugal blower with heat dissipation function according to claim 1, characterized in that: a plurality of shunt tubes (10) are installed at the top of air duct (5), the other end of shunt tubes (10) is linked together with the inside of annular pipe (72), a plurality of exhaust holes (74) have been seted up to the terminal surface of gas collecting channel cover shell (71).

4. A single-stage centrifugal blower with heat dissipation function according to claim 1, characterized in that: the dust filtering device is characterized in that a dust filtering mechanism (9) is arranged in the air duct (5), the dust filtering mechanism (9) comprises a dust removing bin (91) fixedly welded on the lower surface of the middle of the air duct (5), and a filter screen (93) is arranged in the dust removing bin (91).

5. A single stage centrifugal blower having a heat dissipating function as defined in claim 4, wherein: the inside activity of dust removal storehouse (91) is pegged graft and is had mounting panel (92), filter screen (93) are installed at the surface of mounting panel (92), the interior bottom in dust removal storehouse (91) is fixed with dust hopper (94) through the bolt, the bottom of mounting panel (92) offsets with dust hopper (94) top.