CN220566274U - Auxiliary exhaust fan system device - Google Patents
Auxiliary exhaust fan system device Download PDFInfo
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- CN220566274U CN220566274U CN202321975768.1U CN202321975768U CN220566274U CN 220566274 U CN220566274 U CN 220566274U CN 202321975768 U CN202321975768 U CN 202321975768U CN 220566274 U CN220566274 U CN 220566274U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of ventilation and exhaust, and particularly relates to an auxiliary exhaust fan system device. Comprising the following steps: a fan, a windproof shell and a rainproof device; the fan is an axial flow fan or an oblique flow fan; the windproof shell is combined with the fan; the rainproof device comprises a diversion cone and a rainproof plate, and the electric cabinet is combined on the rainproof plate. By adopting the technical scheme, the wind-proof and rain-proof fan has the advantages of simple structure, wind resistance, rain resistance, same exhaust direction as the fan, resistance and noise reduction, and excellent ventilation performance.
Description
Technical Field
The utility model belongs to the technical field of ventilation and exhaust, and particularly relates to an auxiliary exhaust fan system device.
Background
In public exhaust pipelines of high-rise houses, the effect of wind-drawing and exhaust of an unpowered hood is not ideal, the pressure of the bottom area of the public exhaust pipeline is overlarge, and a common method is to use a roof fan for auxiliary exhaust.
The rain-proof structure of the existing roof fan is a louver structure or a cap-shaped structure, discharged wind is folded to the direction after striking the louver or the cap, and is discharged in the obliquely downward direction, and wind noise, wind resistance and energy loss are large in the direction opposite to the exhaust direction of the fan.
In particular, the upper roofing is discharged in an inclined downward direction, and when people are overhauled or pass by, the smoke just comes from the head cover surface.
In view of this, the present utility model provides a fan system device for assisting in exhausting, which solves the above problems, and also provides a built-in rainproof electric cabinet, and can be provided with a switch device, a frequency converter, a sensor, and other control system units, so as to realize functions of condition starting, constant wind pressure operation, remote control, etc., so as to adapt to more application scene requirements.
Disclosure of Invention
In order to achieve the above functions, the utility model provides a fan system device for assisting in exhausting, and aims to provide a fan system with good resistance and noise reduction and ventilation performance, which is used for assisting a public exhaust pipeline to efficiently and energy-effectively exhaust and ventilate.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a fan system apparatus for assisting in exhausting, comprising: fan, wind-proof shell, guide cone, flashing board:
the fan is an axial flow fan or an oblique flow fan;
the windproof shell is combined with the fan;
the air guide cone is a conical cylinder, the diameter of the cross section of the upper end of the air guide cone is smaller than that of the cross section of the lower end of the air guide cone, and the lower end of the air guide cone is arranged on one side of an air outlet of the fan;
the shape of the rain-proof plate is consistent with the cross section shape of the wind-proof shell, and the rain-proof plate is arranged above the guide cone.
Further, the cross-sectional shape of the windproof outer shell is round or rectangular.
Further, a protective net is arranged at one end of the air outlet of the windproof shell.
Further, an electric cabinet is arranged on the rain-proof plate.
Further, the wind breaking cone with a conical structure is combined below the rain-proof plate and is arranged above the air outlet of the fan for breaking wind and reducing resistance.
Further, the rain-proof plate is provided with a water stop ring, and the water stop ring is a downward flanging or a downward groove or a convex rib at the peripheral edge.
Further, during exhaust, air flow flows out from an air outlet of the fan through the guide cone, diverges along the wind breaking cone towards the periphery of the rainproof plate, and is exhausted from an annular interval between the windproof shell and the rainproof plate, and the exhaust direction is the same as that of the fan.
Further, when raining, part of rainwater drops from the annular section, part of rainwater drops directly to the diversion cone, and the rest of rainwater is accepted by the rain-proof plate, drops to the outer surface of the diversion cone after being blocked by the water-stop ring, and flows out from the reserved hole at the joint of the wind-proof shell and the fan.
The utility model has the beneficial effects that:
by adopting the technical scheme, the auxiliary exhaust fan system device has the same exhaust direction as the fan, has better resistance and noise reduction effects, and particularly, the auxiliary exhaust fan system device can also set energy-saving effects such as automatic operation under the set conditions, constant negative pressure operation and the like, and can realize the functions of wireless control and the like so as to meet different application scenes.
Drawings
FIG. 1 is a schematic diagram of a rainproof exhaust structure of the present utility model;
FIG. 2 is a schematic perspective cutaway view of the first embodiment;
FIG. 3 is a schematic perspective cutaway view of a second embodiment;
FIG. 4 is a schematic perspective cutaway view of a third embodiment;
in the figure: 1. a blower; 2. a windbreak housing; 2-1, a protective net; 3. a diversion cone; 4. rain-proof board; 5. an electric control box; 5-1, a switching device; 5-2, a frequency converter; 5-3, a sensor; 5-4, a wireless receiving device; 6. a wind breaking cone; 7. and a water stop ring.
Description of the embodiments
The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present utility model.
Example 1
Referring to fig. 1 and 2, a fan system apparatus for assisting in exhausting air includes: fan 1, wind-proof housing 2, water conservancy diversion awl 3, flashing 4.
Preferably, the fan 1 is an axial flow fan.
Preferably, the cross section of the windproof outer shell 2 is circular, and is connected with the fan 1 up and down.
The diversion cone 3 is of a conical cylinder structure, and the large-diameter end of the diversion cone is arranged at one side of the air outlet of the fan 1;
the shape of the rain-proof plate 4 is round, a water stop ring 7 is arranged at the peripheral edge, an electric cabinet 5 is arranged above the rain-proof plate, a wind breaking cone 6 is arranged below the rain-proof plate, and the combined whole is arranged above the air outlet of the fan 1.
Further, a control system unit is arranged in the electric cabinet 5, and comprises a frequency converter 5-2, a sensor 5-3 and a wireless receiving device 5-4.
Further, during exhaust, air flows out from the air outlet of the fan 1 through the guide cone 3, diverges to the periphery of the rain-proof plate 4 along the wind breaking cone 6, and is exhausted from the annular space between the wind-proof shell 2 and the rain-proof plate 4, and the exhaust direction is the same as that of the fan 1.
Further, when raining, part of rainwater drops from the annular section, part of rainwater drops directly to the position of the diversion cone 3, the rest of rainwater is received by the rain shield 4, drops to the outer surface of the diversion cone 3 after being blocked by the water stop ring 7, and flows out from the hole at the joint of the wind-proof shell 2 and the fan 1.
Further, the control system unit in the electric cabinet 5 receives the wireless signal from the wireless receiving device 5-4 to control the start or stop, and the frequency converter 5-2 automatically adjusts the rotating speed of the fan 1 according to the feedback of the sensor 5-3.
Example two
Referring to fig. 1 and 3, a fan system apparatus for assisting in exhausting air includes: fan 1, wind-proof housing 2, water conservancy diversion awl 3, flashing 4.
Preferably, the fan 1 is an axial flow fan.
Preferably, the cross section of the windproof outer shell 2 is rectangular, and the windproof outer shell is combined with the inside and outside of the fan 1.
The diversion cone 3 is of a conical cylinder structure, and the large-diameter end of the diversion cone is arranged at one side of the air outlet of the fan 1;
the shape of the rain-proof plate 4 is rectangular, a water stop ring 7 is arranged at the peripheral edge, an electric cabinet 5 is arranged on the water stop ring, and the combined whole is arranged above the air outlet of the fan 1.
Further, a control system unit is arranged in the electric cabinet 5 and comprises a switching device 5-1, a frequency converter 5-2 and a sensor 5-3.
Further, during exhaust, air flows out from the air outlet of the fan 1 through the guide cone 3, diverges to the periphery of the rain-proof plate 4 along the wind breaking cone 6, and is exhausted from the shape-returning section between the wind-proof shell 2 and the rain-proof plate 4, and the exhaust direction is the same as that of the fan 1.
Further, when raining, part of rainwater drops from the above-mentioned shape interval, and part drops to water conservancy diversion awl 3 department directly, and other rainwater is accepted by flashing 4, drops to the surface of water conservancy diversion awl 3 after being blocked by water ring 7, flows from the hole of wind-proof housing 2 and fan 1 junction again.
Furthermore, in the control system unit in the electric cabinet 5, the switch device 5-1 sets conditions to control starting or stopping, and the frequency converter 5-2 automatically adjusts the rotating speed of the fan according to the feedback of the sensor 5-3.
Example III
Referring to fig. 1 and 4, a fan system apparatus for assisting in exhausting air includes: fan 1, wind-proof housing 2, water conservancy diversion awl 3, flashing 4.
Preferably, the fan 1 is an axial flow fan.
Preferably, the cross section of the windproof outer shell 2 is circular, and is connected with the fan 1 up and down.
The diversion cone 3 is of a conical cylinder structure, and the large-diameter end of the diversion cone is arranged at one side of the air outlet of the fan 1;
the shape of the rain-proof plate 4 is round, a water stop ring 7 is arranged at the peripheral edge, an electric cabinet 5 is arranged on the water stop ring, and the combined whole is arranged above the air outlet of the fan 1.
Further, a control system unit is arranged in the electric cabinet 5, and comprises a switch device 5-1, and the automatic operation or stop of the fan is controlled by setting conditions.
Further, during exhaust, air flows out from the air outlet of the fan 1 through the guide cone 3, diverges to the periphery of the rain-proof plate 4 along the wind breaking cone 6, and is exhausted from the annular space between the wind-proof shell 2 and the rain-proof plate 4, and the exhaust direction is the same as that of the fan 1.
Further, when raining, part of rainwater drops from the annular section, part of rainwater drops directly to the position of the diversion cone 3, the rest of rainwater is received by the rain shield 4, drops to the outer surface of the diversion cone 3 after being blocked by the water stop ring 7, and flows out from the hole at the joint of the wind-proof shell 2 and the fan 1.
In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.
Claims (6)
1. A fan system apparatus for assisting in exhausting, comprising: fan (1), prevent wind shell (2), water conservancy diversion awl (3), flashing (4), its characterized in that:
the fan (1) is an axial flow fan or an oblique flow fan;
the windproof shell (2) is combined with the fan (1);
the air guide cone (3) is a conical cylinder, the diameter of the cross section of the upper end of the air guide cone is smaller than that of the cross section of the lower end of the air guide cone, and the lower end of the air guide cone (3) is arranged at one side of an air outlet of the fan (1);
the shape of the rain-proof plate (4) is consistent with the cross-sectional shape of the wind-proof shell (2), and the rain-proof plate is arranged above the diversion cone (3).
2. The auxiliary exhaust fan system apparatus as claimed in claim 1, wherein: the cross section of the windproof outer shell (2) is round or rectangular.
3. The auxiliary exhaust fan system apparatus as claimed in claim 1, wherein: one end of the air outlet of the windproof shell (2) is provided with a protective net (2-1).
4. The auxiliary exhaust fan system apparatus as claimed in claim 1, wherein: an electric cabinet (5) is arranged on the rainproof plate (4).
5. The auxiliary exhaust fan system apparatus as claimed in claim 1, wherein: the wind breaking cone (6) with a conical structure is combined below the rain-proof plate (4), and is arranged above the air outlet of the fan (1) for breaking wind and reducing resistance.
6. The auxiliary exhaust fan system apparatus as claimed in claim 1, wherein: the rain-proof plate (4) is provided with a water stop ring (7), and the water stop ring (7) is of a structure with a downward flanging or a downward groove or a downward convex rib at the peripheral edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321975768.1U CN220566274U (en) | 2023-07-26 | 2023-07-26 | Auxiliary exhaust fan system device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321975768.1U CN220566274U (en) | 2023-07-26 | 2023-07-26 | Auxiliary exhaust fan system device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220566274U true CN220566274U (en) | 2024-03-08 |
Family
ID=90090876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321975768.1U Active CN220566274U (en) | 2023-07-26 | 2023-07-26 | Auxiliary exhaust fan system device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220566274U (en) |
-
2023
- 2023-07-26 CN CN202321975768.1U patent/CN220566274U/en active Active
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