CN221120381U - Fire control smoke exhaust fan - Google Patents
Fire control smoke exhaust fan Download PDFInfo
- Publication number
- CN221120381U CN221120381U CN202323188828.8U CN202323188828U CN221120381U CN 221120381 U CN221120381 U CN 221120381U CN 202323188828 U CN202323188828 U CN 202323188828U CN 221120381 U CN221120381 U CN 221120381U
- Authority
- CN
- China
- Prior art keywords
- fixed
- motor
- heat dissipation
- cavity
- fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000779 smoke Substances 0.000 title claims abstract description 18
- 230000017525 heat dissipation Effects 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000110 cooling liquid Substances 0.000 abstract description 16
- 230000004075 alteration Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the field of fire-fighting smoke exhaust, in particular to a fire-fighting smoke exhaust fan, which comprises an air duct, wherein a support is fixed in the air duct, a motor is fixed on the support, a rotating shaft is fixed at the output end of the motor, a plurality of fan blades are fixed on the rotating shaft, a fixed ring with a cavity is also fixed in the air duct, the fixed ring is arranged around the motor, a heat dissipation cavity is also arranged on the air duct, the heat dissipation cavity is communicated with the cavity on the fixed ring through a water inlet pipe and a water outlet pipe, and metal sheets are uniformly fixed on the inner wall of the air duct at the position of the heat dissipation cavity. When the motor works, the cooling liquid in the cavity flows into the heat dissipation cavity to be mixed with the cooling liquid in the heat dissipation cavity, so that the temperature of the motor is greatly reduced, heat in the heat dissipation cavity is transferred to the position of the metal sheet, the heat is radiated to the outside air through the metal sheet, the motor drives the fan blades to rotate, air flow is formed when the fan blades rotate, and hot air at the position of the metal sheet is taken away when the air flow passes through the position of the metal sheet.
Description
Technical Field
The invention relates to the field of fire-fighting smoke exhaust, in particular to a fire-fighting smoke exhaust fan.
Background
The fire-fighting smoke exhaust fan is suitable for ventilation or high-temperature smoke exhaust of high-rise buildings, underground buildings, tunnels, drying rooms and the like. The air flow of the axial flow fan and the axial direction of the fan blade are in the same direction, such as an electric fan, an air conditioner external fan is an axial flow type running fan, and the axial flow type smoke exhaust fan is used for fixing the position and moving air in the occasions with higher flow requirements and lower pressure requirements because the air flows parallel to the axial flow of the fan.
Patent application number: CN202020295105.5 discloses an axial-flow smoke exhaust fan, the fan motor is connected with the blade coaxial installed on the wheel hub, the blade is driven by the motor to suck the gas medium through the arc windward side, the wind enters the motor cylinder and then the tail wheel at the rear end of the motor cylinder is exhausted, but the fan is operated for a long time to cause the motor to stop working easily due to the overhigh temperature of the motor, and the smoke exhaust is affected.
The invention is researched and proposed for overcoming the defects of the prior art.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a fire-fighting smoke exhaust fan.
The invention can be realized by the following technical scheme:
The invention discloses a fire-fighting smoke exhaust fan, which comprises an air duct, wherein a bracket is fixed in the air duct, a motor is fixed on the bracket, a rotating shaft is fixed at the output end of the motor, a plurality of fan blades are fixed on the rotating shaft, a fixed ring with a cavity is also fixed in the air duct, the fixed ring is arranged around the motor, a heat dissipation cavity is also arranged on the air duct, the heat dissipation cavity is communicated with the cavity on the fixed ring through a water inlet pipe and a water outlet pipe, and metal sheets are uniformly fixed on the inner wall of the air duct at the position of the heat dissipation cavity. The cooling liquid is filled in the cavities of the heat dissipation cavity and the fixing ring, when the motor works, heat generated by the motor is transferred to the cooling liquid in the cavity of the fixing ring, the cooling liquid in the cavity flows into the heat dissipation cavity to be mixed with the cooling liquid in the heat dissipation cavity, the temperature of the motor is greatly reduced, the heat in the heat dissipation cavity is transferred to the position of the metal sheet, the heat is radiated to the outside air through the metal sheet, the motor drives the fan blades to rotate, air flow is formed when the fan blades rotate, and the air flow takes away the hot air at the position of the metal sheet when passing through the position of the metal sheet.
Preferably, flanges are fixed on two sides of the air duct, and fixing holes penetrating through the flanges are formed in the flanges.
Preferably, a water pump is also fixed on the water outlet pipe. The cooling liquid in the fixing ring is discharged into the heat dissipation cavity through the water pump.
Compared with the prior art, the invention has the following advantages:
1. The heat generated by the motor is transferred to the cooling liquid in the cavity of the fixed ring, and the cooling liquid in the cavity flows into the cooling cavity to be mixed with the cooling liquid in the cooling cavity, so that the temperature of the motor is greatly reduced.
2. The heat in the heat dissipation cavity is transferred to the metal sheet, and is radiated to the outside air through the metal sheet, so that the heat dissipation area is increased, and the temperature of the cooling liquid is further reduced.
3. The metal sheet radiates heat to the outside air, and the motor drives the fan blades to rotate, and when the fan blades rotate, air flow is formed, and when the air flow passes through the metal sheet, the hot air at the metal sheet is taken away.
Drawings
The invention is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
In the figure: 1. an air duct; 2. a flange; 3. a fixing hole; 4. a bracket; 5. a motor; 6. a rotating shaft; 7. a fan blade; 8. a heat dissipation cavity; 9. a fixing ring; 10. a water inlet pipe; 11. a water outlet pipe; 12. a water pump; 13. a metal sheet;
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the attached drawings:
Example 1:
As shown in fig. 1 to 3, this embodiment discloses a fire-fighting smoke exhaust fan, including dryer 1, dryer 1 internal fixation has support 4, is fixed with motor 5 on the support 4, and motor 5 output is fixed with pivot 6, is fixed with a plurality of flabellum 7 in the pivot 6, and dryer 1 inside still is fixed with the solid fixed ring 9 of taking the cavity, and gu fixed ring 9 encircles motor 5 setting, still is provided with heat dissipation chamber 8 on the dryer 1, and heat dissipation chamber 8 communicates with the cavity on the solid fixed ring 9 through inlet tube 10 and outlet pipe 11, evenly is fixed with sheetmetal 13 on the dryer 1 inner wall in heat dissipation chamber 8 position. The cooling liquid is filled in the cavities of the heat dissipation cavity 8 and the fixed ring 9, when the motor 5 works, heat generated by the motor 5 is transferred to the cooling liquid in the cavity of the fixed ring 9, the cooling liquid in the cavity flows into the heat dissipation cavity 8 to be mixed with the cooling liquid in the heat dissipation cavity 8, the temperature of the motor 5 is greatly reduced, the heat in the heat dissipation cavity 8 is transferred to the position of the metal sheet 13, the heat is radiated to the outside air through the metal sheet 13, the motor 5 drives the fan blade 7 to rotate, an air flow is formed when the fan blade 7 rotates, and the air flow takes away the hot air at the position of the metal sheet 13 when passing through the position of the metal sheet 13.
Wherein, the dryer 1 both sides are all fixed with flange 2, are provided with the fixed orifices 3 that runs through flange 2 on the flange 2.
Example 2:
The embodiment discloses a fire control smoke exhaust fan, on the basis of embodiment 1 structure and principle, still be fixed with water pump 12 on the outlet pipe 11 of this embodiment. The cooling liquid in the fixing ring 9 is discharged into the heat dissipation cavity 8 by the water pump 12.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that various changes, modifications, substitutions and alterations can be made herein by those skilled in the art without departing from the technical principles of the present invention, and such changes, modifications, substitutions and alterations are also to be regarded as the scope of the invention.
Claims (3)
1. The utility model provides a fire control smoke exhaust fan, contains dryer, its characterized in that: the novel fan is characterized in that a support is fixed in the fan barrel, a motor is fixed on the support, a rotating shaft is fixed at the output end of the motor, a plurality of fan blades are fixed on the rotating shaft, a fixing ring with a cavity is further fixed inside the fan barrel, the fixing ring surrounds the motor, a heat dissipation cavity is further formed in the fan barrel, the heat dissipation cavity is communicated with the cavity on the fixing ring through a water inlet pipe and a water outlet pipe, and metal sheets are uniformly fixed on the inner wall of the fan barrel at the position of the heat dissipation cavity.
2. The fire smoke evacuation fan of claim 1, wherein: flanges are fixed on two sides of the air duct, and fixing holes penetrating through the flanges are formed in the flanges.
3. The fire smoke evacuation fan of claim 1, wherein: and a water pump is also fixed on the water outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323188828.8U CN221120381U (en) | 2023-11-25 | 2023-11-25 | Fire control smoke exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323188828.8U CN221120381U (en) | 2023-11-25 | 2023-11-25 | Fire control smoke exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221120381U true CN221120381U (en) | 2024-06-11 |
Family
ID=91374847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323188828.8U Active CN221120381U (en) | 2023-11-25 | 2023-11-25 | Fire control smoke exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221120381U (en) |
-
2023
- 2023-11-25 CN CN202323188828.8U patent/CN221120381U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |