CN217401276U - Smoke exhaust fan and airflow guiding device - Google Patents
Smoke exhaust fan and airflow guiding device Download PDFInfo
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- CN217401276U CN217401276U CN202220208393.5U CN202220208393U CN217401276U CN 217401276 U CN217401276 U CN 217401276U CN 202220208393 U CN202220208393 U CN 202220208393U CN 217401276 U CN217401276 U CN 217401276U
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Abstract
The utility model discloses a smoke exhaust machine and an airflow guiding device, which is suitable for a fan unit and a bearing unit, the fan unit is provided with a fan shell which defines a containing chamber, an impeller which is contained in the containing chamber, and a main control panel which is used for driving the impeller to rotate and is arranged on the bearing unit, the blower housing has an air inlet and an air outlet communicated with the chamber, the airflow guiding device includes a guiding unit, the guiding unit comprises a guiding pipe communicated with the accommodating chamber from the air inlet, the guiding pipe is provided with a first end surface used for connecting the fan shell and a second end surface opposite to the first end surface and used for connecting the bearing unit, when the impeller rotates, airflow flows into the accommodating chamber from the guide pipe after flowing through the main control board from the bearing unit, so that the effect of dissipating the heat generated by the main control board is achieved.
Description
Technical Field
The utility model relates to a guiding device field technique especially indicates a fume extractor and air current guiding device.
Background
The utility model provides a current induced-draft fan, including a fan shell that limits out a room of holding, an impeller holding in should hold the room, a motor that connects this impeller so that this impeller pivoted, and a main control unit who connects this motor electrically, this fan shell has an income wind gap and an air outlet that communicates this room of holding, this main control unit has a controller shell, a mainboard that holds in this controller shell and electricity connection this motor, and the plural electronic component who welds in this mainboard, control this motor through this main control unit, so that this motor orders about this impeller and rotates, the outside air of this fan shell is just from this income wind gap leading-in this room of holding to discharge in this air outlet.
However, when the main controller is activated, the electronic components are prone to heat accumulation in the controller housing, and are prone to malfunction and poor contact over a long period of time, which results in a decrease in the reliability of the main controller.
Therefore, a new technical solution is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides an exhaust fan and an airflow guiding device, which are configured to communicate with the chamber and the carrying unit through the guiding unit, and the airflow can flow into the chamber from the guiding unit after flowing through the main control board from the carrying unit and is discharged from the air outlet.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an extractor hood, comprising: the fan unit comprises a fan shell defining a containing chamber, an impeller accommodated in the containing chamber, a motor connected with the impeller and used for driving the impeller to rotate, and a main control panel electrically connected with the motor, wherein the fan shell is provided with an air inlet and an air outlet which are communicated with the containing chamber; the guide unit comprises a guide pipe communicated with the accommodating chamber from the air inlet, and the guide pipe is provided with a first end surface connected with the fan shell and a second end surface opposite to the first end surface; and a bearing unit connected with the second end face and used for placing the main control panel; when the impeller rotates, airflow flows into the accommodating chamber from the guide pipe after flowing through the main control board from the bearing unit, and is discharged from the air outlet.
Preferably, the first end surface has a larger area than the second end surface.
As a preferred scheme, the guiding unit further includes a blocking cloth connected between the first end surface and the blower housing, and the blocking cloth is connected with the end surface defining the air inlet.
As a preferred scheme, the bearing unit includes a bearing housing connected to the guide tube, the bearing housing defines an accommodating space, a communication port communicating with the accommodating space, and a heat dissipation port communicating with the accommodating space, and the bearing housing has a surrounding surface defining the communication port and connected to the second end surface.
As a preferred scheme, the guiding unit further includes a set of smoke exhaust machine housing disposed on the fan housing and defining a space with the fan housing, the bearing unit is located in the space, and the smoke exhaust machine housing has a guiding opening adjacent to the heat dissipating opening, a suction opening adjacent to the air inlet, and an exhaust opening adjacent to the air outlet.
An extractor hood, comprising: the fan unit comprises a fan shell which defines a containing chamber, an impeller which is contained in the containing chamber, a motor which is connected with the impeller and is used for driving the impeller to rotate, and a main control panel which is electrically connected with the motor, wherein the fan shell is provided with an air inlet and an air outlet which are communicated with the containing chamber; a guiding unit, including a smoke exhaust machine shell which is sleeved on the fan shell and defines a spacing space together with the fan shell, and a guiding clapboard which is positioned in the spacing space, wherein the smoke exhaust machine shell is provided with a guiding port, a suction port which is adjacent to the air inlet, and an exhaust port which is adjacent to the air outlet, the guiding clapboard is fixedly connected with one of the smoke exhaust machine shell and the fan shell, and is provided with a first side surface which is adjacent to the air inlet, a second side surface which is opposite to the first side surface, a third side surface which is connected with the first side surface and the second side surface, and a fourth side surface which is connected with the first side surface and the second side surface and is opposite to the third side surface, and the second side surface, the third side surface and the fourth side surface of the guiding clapboard are adjacent or connected with the inner side of the smoke exhaust machine shell; the bearing unit is used for placing the main control panel and comprises a bearing shell arranged on the shell of the smoke exhaust ventilator, the bearing shell defines an accommodating space, a communication port communicated with the accommodating space and a heat dissipation port communicated with the accommodating space, and the communication port is communicated with the guide port; when the impeller rotates, airflow flows into the accommodating space from the heat dissipation port of the bearing unit, flows through the main control board, flows into the spacing space from the guide port, is guided into the accommodating chamber by the guide partition plate, and is exhausted from the air outlet and the air outlet.
An airflow guiding device is suitable for a range hood, the range hood comprises a fan unit and a bearing unit, the fan unit is provided with a fan shell defining a chamber, an impeller accommodated in the chamber, and a main control panel used for driving the impeller to rotate and placed on the bearing unit, the fan shell is provided with an air inlet and an air outlet communicated with the chamber, and the airflow guiding device comprises: and the guide unit comprises a guide pipe communicated with the accommodating chamber from the air inlet, the guide pipe is provided with a first end face used for connecting the fan shell and a second end face opposite to the first end face and used for connecting the bearing unit, and when the impeller rotates, airflow flows into the accommodating chamber from the guide pipe after flowing through the main control board from the bearing unit.
Preferably, the first end surface has a larger area than the second end surface.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme, it mainly should hold room and this load-bearing unit through this guide unit intercommunication, and the air current can flow through this master control board from this load-bearing unit after, can flow into this room from this guide unit to discharge by this air outlet, consequently, when this master control board orders about this impeller rotation, take the production air current even, reach the effect that this master control board of dissipation generates heat.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a perspective view of a second embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a second embodiment of the present invention.
The attached drawings indicate the following:
100. first and second embodiments 200 and 200
1. Fan unit 11 and fan housing
111. Chamber 112, air inlet
113. Air outlet 12 and impeller
13. Motor 14, main control board
2. Guide unit 21, guide tube
211. First end surface 212, second end surface
22. Smoke exhaust ventilator casing 221, and partition space
222. Guide opening 223 and suction opening
224. Air outlet 23, guide partition plate
231. First side 232, second side
233. Third side 234, fourth side
24. Stop cloth 3 and bearing unit
31. Bearing shell 311 and accommodating space
312. Communication port 313 and surrounding surface
314. And a heat dissipation port.
Detailed Description
Fig. 1 to fig. 3 show a specific structure of an embodiment of the present invention.
In the description of the present invention, it should be noted that, for the directional words, such as the terms "upper", "lower", "front", "rear", "left", "right", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the drawings, it is only for convenience of description of the present invention and simplifying the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and should not be construed as limiting the specific protection scope of the present invention.
Referring to fig. 1, a first embodiment 100 of the smoke exhaust of the present invention is a smoke exhaust, which includes a fan unit 1, a guiding unit 2, and a carrying unit 3.
The fan unit 1 includes a fan housing 11 defining a chamber 111, an impeller 12 accommodated in the chamber 111, a motor 13 connected to the impeller 12 and configured to drive the impeller 12 to rotate, and a main control board 14 electrically connected to the motor 13, wherein the fan housing 11 has an air inlet 112 and an air outlet 113 communicating with the chamber 111.
The guiding unit 2 includes a guiding tube 21 (airflow guiding device) communicating with the accommodating chamber 111 from the air inlet 112, a smoke exhaust fan housing 22 sleeved on the fan housing 11 and defining a spacing space 221 together with the fan housing 11, and a blocking cloth 24 connected between the guiding tube 21 and the fan housing 11, the smoke exhaust fan housing 22 has a guiding opening 222 adjacent to the heat dissipating opening 314, an air suction opening 223 adjacent to the air inlet 112, and an air outlet 224 adjacent to the air outlet 113, the guiding tube 21 has a first end surface 211 connected to the fan housing 11, and a second end surface 212 opposite to the first end surface 211. In this embodiment, the first end surface 211 of the guiding tube 21 is disposed through the blocking cloth 24, so that the guiding tube 21 is communicated with the accommodating chamber 111.
In the embodiment, the first end surface 211 is connected to the end surface defining the air inlet 112, the area of the first end surface 211 is larger than that of the second end surface 212, and the blocking cloth 24 is connected to the end surface defining the air inlet 112 to assist in covering the air inlet 112, so as to achieve a better air collecting effect.
The supporting unit 3 is located in the spacing space 221, connected to the second end surface 212 and used for placing the main control board 14, and includes a supporting shell 31 connected to the guiding tube 21, the supporting shell 31 defines an accommodating space 311, a communication port 312 communicating with the accommodating space 311, and a heat dissipation port 314 communicating with the accommodating space 311, the supporting shell 31 has a surrounding surface 313 defining the communication port 312, and the surrounding surface 313 is connected to the second end surface 212.
When the impeller 12 rotates, the airflow flows from the carrying unit 3 through the main control board 14, then flows into the chamber 111 through the guiding tube 21, and is exhausted through the air outlet 224 and the air outlet 113.
Referring to fig. 2 and 3, a second embodiment 200 of the smoke exhaust ventilator of the present invention includes the fan unit 1, the guiding unit 2, and the carrying unit 3.
The fan unit 1 includes the fan housing 11, the impeller 12, the motor 13, and the main control board 14, and the fan housing 11 also has the air inlet 112 and the air outlet 113.
The guiding unit 2 includes the smoke exhaust fan casing 22 sleeved on the fan casing 11 and defining the partition space 221 together with the fan casing 11, and a guiding partition plate 23 connected to the smoke exhaust fan casing 22 and located in the partition space 221, the smoke exhaust fan casing 22 has the guiding port 222, the air suction port 223 and the air exhaust port 224, the guiding partition plate 23 has a first side 231 adjacent to the air inlet 112, a second side 232 opposite to the first side 231 and connected to the inner side of the smoke exhaust fan casing 22, a third side 233 connected to the first side 231 and the second side 232 and connected to the inner side of the smoke exhaust fan casing 22, and a fourth side 234 connected to the first side 231 and the second side 232 and opposite to the third side 233 and connected to the inner side of the smoke exhaust fan casing 22.
In the present embodiment, the first side surface 231 is connected to an end surface defining the air inlet 112.
In addition, in other variations of the embodiment, the guiding partition 23 is fixedly connected to one of the smoke exhaust casing 22 and the fan casing 11, the first side 231 is adjacent to the air inlet 112, and the second side 232, the third side 233 and the fourth side 234 are adjacent to the inner side of the smoke exhaust casing 22.
Therefore, the first side 231 of the guiding partition plate can be adjacent to the air inlet 112 or connected to the end surface defining the air inlet 112, and the second side 232, the third side 233 and the fourth side 234 of the guiding partition plate 23 can be adjacent to or connected to the inner side of the smoke exhaust ventilator housing 22, so that the guiding partition plate 23 is positioned in the spacing space 221 to guide the airflow.
The carrying unit 3 is used for placing the main control board 14, and includes the carrying shell 31 disposed outside the smoke exhaust machine shell 22, the carrying shell 31 defines the accommodating space 311, the communication port 312 and the heat dissipation port 314, the carrying shell 31 has the surrounding surface 313 defining the communication port 312, the communication port 312 is communicated with the guiding port 222, and the guiding port 222 is located above the guiding partition 23.
When the impeller 12 rotates, the airflow flows into the accommodating space 311 from the heat dissipating port 314 of the carrying unit 3, flows through the main control board 14, flows into the spacing space 221 from the guiding port 222, is guided into the accommodating chamber 111 by the guiding partition 23, and is exhausted from the air outlet 224 and the air outlet 113.
Therefore, the novel smoke exhaust machine and the airflow guiding device can summarize the following effects:
in the first embodiment 100 of the present invention, the accommodation chamber 111 and the carrying unit 3 are communicated with each other through the guiding tube 21 (airflow guiding device), and after the airflow passes through the main control board 14 from the carrying unit 3, the airflow can flow into the accommodation chamber 111 from the guiding unit 2 and is exhausted from the air outlet 224 and the air outlet 113, so that when the main control board 14 drives the impeller 12 to rotate, the heat of the main control board 14 is dissipated.
In the second embodiment 200 of the smoke exhaust of the present invention, the guiding partition 23 is disposed to further guide the airflow into the accommodating chamber 111 and exhaust the airflow through the air outlet 224 and the air outlet 113, so that when the main control board 14 drives the impeller 12 to rotate, the heat generated by the main control board 14 is dissipated.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (8)
1. A smoke exhaust machine is characterized in that: comprises the following steps: the fan unit comprises a fan shell defining a containing chamber, an impeller accommodated in the containing chamber, a motor connected with the impeller and used for driving the impeller to rotate, and a main control panel electrically connected with the motor, wherein the fan shell is provided with an air inlet and an air outlet which are communicated with the containing chamber;
the guide unit comprises a guide pipe communicated with the accommodating chamber from the air inlet, and the guide pipe is provided with a first end surface connected with the fan shell and a second end surface opposite to the first end surface; and
a bearing unit connected with the second end face and used for placing the main control panel;
when the impeller rotates, airflow flows through the main control board from the bearing unit, flows into the accommodating chamber from the guide pipe, and is exhausted from the air outlet.
2. The extractor of claim 1, wherein: the area of the first end surface is larger than that of the second end surface.
3. The extractor of claim 1, wherein: the guiding unit further comprises a blocking cloth connected between the first end face and the fan shell, and the blocking cloth is connected with the end face defining the air inlet.
4. A smoke exhaust fan according to claim 1, wherein: the bearing unit comprises a bearing shell connected with the guide tube, the bearing shell defines an accommodating space, a communication port communicated with the accommodating space and a heat dissipation port communicated with the accommodating space, and the bearing shell is provided with a surrounding surface which defines the communication port and is connected with the second end face.
5. A smoke extractor according to claim 4, wherein: the guiding unit also comprises a set of smoke exhaust machine shell which is arranged on the fan shell and defines an interval space together with the fan shell, the bearing unit is positioned in the interval space, and the smoke exhaust machine shell is provided with a guiding opening adjacent to the heat dissipation opening, a suction opening adjacent to the air inlet and an air outlet adjacent to the air outlet.
6. An extractor hood, characterized by: comprises the following steps:
the fan unit comprises a fan shell which defines a containing chamber, an impeller which is contained in the containing chamber, a motor which is connected with the impeller and is used for driving the impeller to rotate, and a main control panel which is electrically connected with the motor, wherein the fan shell is provided with an air inlet and an air outlet which are communicated with the containing chamber;
a guiding unit, including a smoke exhaust machine shell which is sleeved on the fan shell and defines a spacing space together with the fan shell, and a guiding clapboard which is positioned in the spacing space, wherein the smoke exhaust machine shell is provided with a guiding port, a suction port which is adjacent to the air inlet, and an exhaust port which is adjacent to the air outlet, the guiding clapboard is fixedly connected with one of the smoke exhaust machine shell and the fan shell, and is provided with a first side surface which is adjacent to the air inlet, a second side surface which is opposite to the first side surface, a third side surface which is connected with the first side surface and the second side surface, and a fourth side surface which is connected with the first side surface and the second side surface and is opposite to the third side surface, and the second side surface, the third side surface and the fourth side surface of the guiding clapboard are adjacent or connected with the inner side of the smoke exhaust machine shell; and
the bearing unit is used for placing the main control panel and comprises a bearing shell arranged on the shell of the smoke exhaust ventilator, the bearing shell defines an accommodating space, a communication port communicated with the accommodating space and a heat dissipation port communicated with the accommodating space, and the communication port is communicated with the guide port;
when the impeller rotates, airflow flows into the accommodating space from the heat dissipation port of the bearing unit, flows through the main control board, flows into the spacing space from the guide port, is guided into the accommodating chamber by the guide partition plate, and is exhausted from the air outlet and the air outlet.
7. An airflow guiding device is suitable for a range hood and is characterized in that: the smoke exhaust machine comprises a fan unit and a bearing unit, wherein the fan unit is provided with a fan shell which is defined to form a containing chamber, an impeller which is contained in the containing chamber and a main control panel which is used for driving the impeller to rotate and is placed in the bearing unit, the fan shell is provided with an air inlet and an air outlet which are communicated with the containing chamber, and the airflow guiding device comprises:
and the guide unit comprises a guide pipe communicated with the accommodating chamber from the air inlet, the guide pipe is provided with a first end face used for connecting the fan shell and a second end face opposite to the first end face and used for connecting the bearing unit, and when the impeller rotates, airflow flows into the accommodating chamber from the guide pipe after flowing through the main control board from the bearing unit.
8. The airflow directing device of claim 7, wherein: the area of the first end face is larger than that of the second end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220208393.5U CN217401276U (en) | 2022-01-26 | 2022-01-26 | Smoke exhaust fan and airflow guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220208393.5U CN217401276U (en) | 2022-01-26 | 2022-01-26 | Smoke exhaust fan and airflow guiding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217401276U true CN217401276U (en) | 2022-09-09 |
Family
ID=83135593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220208393.5U Active CN217401276U (en) | 2022-01-26 | 2022-01-26 | Smoke exhaust fan and airflow guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217401276U (en) |
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2022
- 2022-01-26 CN CN202220208393.5U patent/CN217401276U/en active Active
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