CN210033924U - Centrifugal smoke exhaust fan - Google Patents
Centrifugal smoke exhaust fan Download PDFInfo
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- CN210033924U CN210033924U CN201920895680.6U CN201920895680U CN210033924U CN 210033924 U CN210033924 U CN 210033924U CN 201920895680 U CN201920895680 U CN 201920895680U CN 210033924 U CN210033924 U CN 210033924U
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Abstract
Centrifugal smoke exhaust fan, including motor, axial flow impeller, centrifugal impeller, radiator vane, motor housing, centrifugal fan shell, cooling tube, the utility model discloses a centrifugal impeller is connected to coaxial motor, and radiator fan and axial flow impeller accomplish, also can play radiating efficiency to the motor when the power is aired exhaust in the increase, and centrifugal fan's centrifugation air exhaust mode is cooperating the acceleration work of discharging fume that axial flow impeller's work can be effective again in addition.
Description
Technical Field
The utility model relates to a ventilation field, concretely design centrifugal smoke exhaust fan.
Background
The centrifugal fan is generally used in the ventilation industry, the centrifugal fan has the advantages that the energy consumption is small, the ventilation quantity is large, and the like, and the centrifugal fan is always the best fan selected in the industry, but for the centrifugal fan, if the smoke discharge quantity is increased, a high-energy motor is required to be dragged, but for the space saving, the preferred mode is the axial flow fan, but the axial flow fan has the advantages of large energy consumption, large heat generation and danger generation after a long time.
Disclosure of Invention
The utility model provides a centrifugal smoke exhaust fan for solve the technical problem who appears in the above-mentioned background art. A centrifugal smoke exhaust fan comprises a motor 1, an axial flow impeller 2, a centrifugal impeller 3, a radiating impeller 4, a motor shell 5, a centrifugal fan shell 6 and radiating pipes 7, and is characterized in that the motor shell 5 is arranged at the outer end of the motor 1 and is fixed with the motor 1 through at least twelve supporting rods 8, two ends of a rotor rotating shaft 9 of the motor 1 extend out of the motor shell 5, the radiating impeller 4 is arranged in the motor shell 5 and is arranged on the extended rotor rotating shaft 9 at the front end of the motor 1, the centrifugal impeller 3 is arranged at the front end of the motor shell 5 and is not contacted with the motor shell 5, the centrifugal impeller 3 is arranged at the top end of the extended rotor rotating shaft 9 at the front end of the motor 1, the centrifugal fan shell 6 is arranged at the outer ends of the motor shell 5 and the centrifugal impeller 3, the centrifugal fan shell 6 is fixed with the motor shell 5 through at least twelve supporting rods 8, at least eight radiating pipes 7 are connected between, 5 inner space of motor housing communicates with the external world through cooling tube 7, and axial impeller 2 installs the end at 1 rear end extension rotor pivot 9 of motor, and axial impeller 2 sets up at 5 outside of motor housing end to setting up at 6 inboard ends of centrifugal fan shell, 6 front ends of centrifugal fan shell are equipped with the air intake rear end and are equipped with the air outlet.
Preferably, the centrifugal smoke exhaust fan is characterized in that the supporting rod 8 is a rhombic cylinder.
Preferably, the centrifugal smoke exhaust fan is characterized in that the power supply interface of the motor 1 extends out of the outer side end of the centrifugal fan shell 6 all the time and is fixed on the outer end side wall of the centrifugal fan shell 6, and the inner extending path is provided with a wire pipe.
Preferably, the centrifugal smoke exhaust fan is characterized in that the motor shell 5 is not contacted with the centrifugal fan shell 6 and is arranged in an air channel with the same height distance with the support rod 8.
Preferably, the centrifugal smoke exhaust fan is characterized in that the whole section of the edge of the shell 6 of the centrifugal fan is connected with a fixed screw hole 10.
Preferably, the centrifugal type smoke exhaust fan is characterized in that the heat radiation pipe 7 is arranged between any two support rods 8 between the centrifugal fan shell 6 and the motor shell 5, and the heat radiation pipe 7 is inclined towards the rear section of the centrifugal fan shell 6.
Preferably, the centrifugal smoke exhaust fan is characterized in that the diameter of an air inlet at the front end of the centrifugal fan shell 6 is smaller than the diameter of the centrifugal impeller 3, and the inner diameter of the centrifugal fan shell 6 is larger than the diameter of the centrifugal impeller 3.
Preferably, the centrifugal smoke exhaust fan is characterized in that antistatic layers 11 are arranged on the centrifugal fan shell 6 and the motor shell 5 at the outer edges of the axial flow impeller 2, the centrifugal impeller 3 and the heat dissipation impeller 4.
Preferably, the centrifugal smoke exhaust fan is characterized in that the outer end of the radiating pipe 7 is provided with a filter screen 12.
The utility model has the advantages that: the utility model discloses a centrifugal impeller is connected to coaxial motor, and radiator fan and axial impeller accomplish, also can play radiating efficiency to the motor in the power of airing exhaust of increase, and centrifugal fan's centrifugation mode of airing exhaust is cooperating the acceleration work of discharging fume that axial impeller's work can be effective again moreover.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the external structure of the present invention;
FIG. 4 is a schematic view of a support bar;
in the figure: the centrifugal fan comprises a motor 1, an axial flow impeller 2, a centrifugal impeller 3, a radiating impeller 4, a motor shell 5, a centrifugal fan shell 6, a radiating pipe 7, a supporting rod 8, a rotor rotating shaft 9, a fixing screw hole 10, an anti-static layer 11 and a filter screen 12.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
A centrifugal smoke exhaust fan comprises a motor 1, an axial flow impeller 2, a centrifugal impeller 3, a radiating impeller 4, a motor shell 5, a centrifugal fan shell 6 and radiating pipes 7, and is characterized in that the motor shell 5 is arranged at the outer end of the motor 1 and is fixed with the motor 1 through at least twelve supporting rods 8, two ends of a rotor rotating shaft 9 of the motor 1 extend out of the motor shell 5, the radiating impeller 4 is arranged in the motor shell 5 and is arranged on the extended rotor rotating shaft 9 at the front end of the motor 1, the centrifugal impeller 3 is arranged at the front end of the motor shell 5 and is not contacted with the motor shell 5, the centrifugal impeller 3 is arranged at the top end of the extended rotor rotating shaft 9 at the front end of the motor 1, the centrifugal fan shell 6 is arranged at the outer ends of the motor shell 5 and the centrifugal impeller 3, the centrifugal fan shell 6 is fixed with the motor shell 5 through at least twelve supporting rods 8, at least eight radiating pipes 7 are connected between, 5 inner space of motor housing communicates with the external world through cooling tube 7, and axial impeller 2 installs the end at 1 rear end extension rotor pivot 9 of motor, and axial impeller 2 sets up at 5 outside of motor housing end to setting up at 6 inboard ends of centrifugal fan shell, 6 front ends of centrifugal fan shell are equipped with the air intake rear end and are equipped with the air outlet.
Further, the supporting rod 8 is a rhombic cylinder.
Further, the power interface of the motor 1 extends out of the outer side end of the centrifugal fan shell 6 all the time and is fixed on the outer end side wall of the centrifugal fan shell 6, and the inner extending path is provided with a wire pipe.
Furthermore, the motor shell 5 and the centrifugal fan shell 6 are not in contact with each other and are arranged in an air duct with the same height and distance between the support rods 8.
Further, the whole section of the edge of the centrifugal fan shell 6 is connected with a fixed screw hole 10.
Further, the heat dissipation pipe 7 is disposed between any two support rods 8 between the centrifugal fan housing 6 and the motor housing 5, and the heat dissipation pipe 7 is inclined toward the rear section of the centrifugal fan housing 6.
Further, the diameter of an air inlet at the front end of the centrifugal fan shell 6 is smaller than that of the centrifugal impeller 3, and the inner diameter of the centrifugal fan shell 6 is larger than that of the centrifugal impeller 3.
Further, the anti-static layers 11 are arranged on the centrifugal fan shell 6 and the motor shell 5 at the outer edges of the axial flow impeller 2, the centrifugal impeller 3 and the heat dissipation impeller 4.
Furthermore, the outer end of the radiating pipe 7 is provided with a filter screen 12.
As shown in fig. 1-4, when in installation, a heat dissipation impeller 4 is installed on a rotor rotating shaft 9 extended from the front end of a motor 1, the middle of the heat dissipation impeller 4 is fixed by the rotor rotating shaft 9 in a welding or bolt fixing mode, the position of the heat dissipation impeller 4 is close to the front end of the motor 1 and is not contacted with the front end of the motor 1, a motor shell 5 is arranged at the outer ends of the motor 1 and the heat dissipation impeller 4 and keeps a certain distance with the motor 1 and the heat dissipation impeller 4, at least twelve fixed parts are connected between the motor shell 5 and the motor 1, the upper end and the lower end of each support rod 8 are fixed with the motor 1 and the motor shell 5 by bolts, an anti-static ring is fixed on the inner wall of the motor shell 5 at the far end of the circumference of the heat dissipation impeller 4, the anti-static ring is made of copper, a centrifugal impeller 3 and an axial flow impeller 2 are installed at, the centrifugal fan shell 6 is sleeved with the centrifugal impeller 3, the axial flow impeller 2 and the outer part of the motor shell 5, and keeps a certain distance with the centrifugal impeller 3, the axial flow impeller 2 and the motor shell 5, and a wind channel is arranged between the inner wall of the centrifugal fan shell 6 and the outer wall of the motor shell 5, at least twelve support rods 8 are arranged between the centrifugal fan shell 6 and the motor shell 5, the upper end and the lower end of each support rod 8 are fixed with the motor shell 5 and the centrifugal fan shell 6 through bolts, a radiating pipe 7 is arranged between any two support rods 8 along the wind direction, the upper end of the radiating pipe 7 inclines towards the rear end of the centrifugal fan shell 6 along the wind direction, a through hole is arranged at the connecting position of the motor shell 5, the centrifugal fan shell 6 and the radiating pipe 7, the radiating pipe 7 is welded with the edge of the through hole, a filter screen 12 is welded at the outer end of the, the diameter of the air inlet is smaller than that of the centrifugal impeller 3, the rear end of the centrifugal fan shell 6 is provided with an air outlet, the diameter of the air outlet is larger than that of the axial-flow impeller 2, and the axial flow impeller 2 is contained in the air outlet, and the edge of the front end of the centrifugal fan shell 6 is welded with a fixed screw hole 10, when in use, the motor 1 is connected with a power supply interface which extends on the centrifugal fan shell 6 to enable the motor 1 to work, the heat dissipation impeller 4, the centrifugal impeller 3 and the axial flow impeller 2 are driven to work simultaneously, the centrifugal impeller 3 and the axial flow impeller 2 can discharge smoke efficiently, meanwhile, the heat dissipation impeller 4 discharges the heat generated by the motor in the motor shell 5 to the outside through the heat dissipation pipe 7, and when the motor works, the anti-static layer 11 is arranged on the centrifugal fan shell 6 and the motor shell 5 at the outer edges of the axial flow impeller 2, the centrifugal impeller 3 and the heat dissipation impeller 4, the copper plate is preferably adopted as the anti-static layer 11, and the safety of the device in working can be ensured.
The above is only the preferred embodiment of the present invention, as long as the preferred embodiment is realized by the same means, the objective technical solution of the present invention all belongs to the protection scope of the present invention.
Claims (9)
1. Centrifugal smoke exhaust fan, which comprises a motor (1), an axial flow impeller (2), a centrifugal impeller (3), a heat dissipation impeller (4), a motor shell (5), a centrifugal fan shell (6) and a heat dissipation pipe (7), and is characterized in that the motor shell (5) is arranged at the outer end of the motor (1) and is fixed with the motor (1) through at least twelve supporting rods (8), the motor shell (5) is extended from two ends of a rotor rotating shaft (9) of the motor (1), the heat dissipation impeller (4) is arranged in the motor shell (5) and is arranged on the extended rotor rotating shaft (9) at the front end of the motor (1), the centrifugal impeller (3) is arranged at the front end of the motor shell (5) and is not contacted with the outer end (5) of the motor, the centrifugal impeller (3) is arranged at the top end of the extended rotor rotating shaft (9) at the front end of the motor (1), the centrifugal fan shell (6) is arranged at the motor shell (5) and, it is fixed through at least twelve spinal branch vaulting poles (8) between centrifugal fan shell (6) and motor housing (5), connect at least eight cooling tubes (7) between motor housing (5) inside wall and centrifugal fan shell (6) lateral wall at least, motor housing (5) inner space passes through cooling tube (7) and external intercommunication, the end at motor (1) rear end extension rotor pivot (9) is installed in axial flow impeller (2), axial flow impeller (2) set up at motor housing (5) outside end to terminal setting up at centrifugal fan shell (6) inboard end, centrifugal fan shell (6) front end is equipped with the air intake rear end and is equipped with the air outlet.
2. Centrifugal smoke exhaust fan according to claim 1, characterized in that the support bar (8) is a diamond cylinder in structure.
3. A centrifugal smoke exhaust fan according to claim 1, characterized in that the electrical power supply connection of the motor (1) extends all the way out of the outer side end of the centrifugal fan housing (6) and is fixed to the outer end side wall of the centrifugal fan housing (6), and the inner extension path is provided with a wire tube.
4. Centrifugal smoke exhaust fan according to claim 1, characterized in that the motor housing (5) and the centrifugal fan housing (6) are not in contact with each other and are present in a wind channel with equal height distances between the support bars (8).
5. Centrifugal smoke exhaust fan according to claim 1, characterized in that the whole section of the edge of the centrifugal fan housing (6) is connected with a fixing screw hole (10).
6. A centrifugal smoke exhaust fan according to claim 1, characterized in that the heat radiating pipe (7) is provided between any two support rods (8) between the centrifugal fan housing (6) and the motor housing (5), and the heat radiating pipe (7) is inclined toward the rear section of the centrifugal fan housing (6).
7. The centrifugal smoke exhaust fan according to claim 1, wherein the diameter of the air inlet at the front end of the centrifugal fan housing (6) is smaller than the diameter of the centrifugal impeller (3), and the inner diameter of the centrifugal fan housing (6) is larger than the diameter of the centrifugal impeller (3).
8. The centrifugal smoke exhaust fan according to claim 1, wherein the centrifugal fan housing (6) and the motor housing (5) of the outer edges of the axial flow impeller (2), the centrifugal impeller (3) and the heat dissipation impeller (4) are provided with antistatic layers (11).
9. A centrifugal smoke exhaust fan according to claim 1, characterized in that the outer ends of the radiating pipes (7) are provided with filter screens (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920895680.6U CN210033924U (en) | 2019-06-14 | 2019-06-14 | Centrifugal smoke exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920895680.6U CN210033924U (en) | 2019-06-14 | 2019-06-14 | Centrifugal smoke exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210033924U true CN210033924U (en) | 2020-02-07 |
Family
ID=69348164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920895680.6U Active CN210033924U (en) | 2019-06-14 | 2019-06-14 | Centrifugal smoke exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210033924U (en) |
-
2019
- 2019-06-14 CN CN201920895680.6U patent/CN210033924U/en active Active
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