CN218936439U - Air curtain device and range hood - Google Patents
Air curtain device and range hood Download PDFInfo
- Publication number
- CN218936439U CN218936439U CN202223088882.0U CN202223088882U CN218936439U CN 218936439 U CN218936439 U CN 218936439U CN 202223088882 U CN202223088882 U CN 202223088882U CN 218936439 U CN218936439 U CN 218936439U
- Authority
- CN
- China
- Prior art keywords
- air
- air duct
- centrifugal fan
- duct
- air curtain
- 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.)
- Active
Links
Images
Landscapes
- Ventilation (AREA)
Abstract
The present disclosure relates to an air curtain device and a range hood. The air curtain device comprises: the centrifugal fan comprises an outer cover, a centrifugal fan and an air duct; the centrifugal fan and the air duct are positioned in the outer cover, and one end, close to the centrifugal fan, of the outer cover is an air inlet of the centrifugal fan; the centrifugal fan is connected with an air inlet of the air duct; the area of the air outlet of the air channel is smaller than that of the air inlet of the air channel; the section of the air outlet of the air duct is arc-shaped, so that the air outlet of the air duct can form an arc-shaped air curtain. The area of the air outlet of the air duct is smaller than that of the air inlet of the air duct, and the section of the air outlet of the air duct is arc-shaped, so that the air outlet of the air duct blows out an arc-shaped air curtain with concentrated air speed, the air curtain is more attached to the edge of the pot mouth, a good air curtain isolation effect is achieved, and the oil smoke in the pot can not rise upwards after being generated, but is pumped away and discharged, so that the purpose of comprehensively exhausting the oil smoke is achieved.
Description
Technical Field
The disclosure relates to the technical field of intelligent household appliances, in particular to an air curtain device and a range hood.
Background
The existing Chinese range hood has a long distance between the air suction opening and the cooker, and the generated oil smoke can rise upwards and escape outwards, so that the Chinese range hood cannot effectively exhaust the oil smoke.
Compared with the Chinese type range hood, the side-suction machine has the advantages that the distance between the air suction port and the cooker is short, and although the arrangement of the air suction port in the side-suction machine can exhaust the oil smoke before the oil smoke is diffused, the escape of part of the oil smoke still cannot be avoided, and the oil smoke cannot be reliably and comprehensively exhausted.
Therefore, how to completely exhaust the oil smoke becomes a problem to be solved.
Disclosure of Invention
In order to overcome the problems in the related art, embodiments of the present disclosure provide an air curtain device and a range hood. The technical scheme is as follows:
according to a first aspect of embodiments of the present disclosure, there is provided an air curtain device comprising:
the centrifugal fan comprises an outer cover, a centrifugal fan and an air duct;
the centrifugal fan and the air duct are positioned in the outer cover, and one end, close to the centrifugal fan, of the outer cover is an air inlet of the centrifugal fan;
the centrifugal fan is connected with the air inlet of the air duct;
the area of the air outlet of the air channel is smaller than that of the air inlet of the air channel;
the section of the air outlet of the air duct is arc-shaped, so that the air outlet of the air duct can form an arc-shaped air curtain.
The present disclosure provides an air curtain device comprising: the centrifugal fan comprises an outer cover, a centrifugal fan and an air duct; the centrifugal fan and the air duct are positioned in the outer cover, and one end, close to the centrifugal fan, of the outer cover is an air inlet of the centrifugal fan; the centrifugal fan is connected with an air inlet of the air duct; the area of the air outlet of the air channel is smaller than that of the air inlet of the air channel; the section of the air outlet of the air duct is arc-shaped, so that the air outlet of the air duct can form an arc-shaped air curtain. The area of the air outlet of the air duct is smaller than that of the air inlet of the air duct, and the section of the air outlet of the air duct is arc-shaped, so that the air outlet of the air duct blows out an arc-shaped air curtain with concentrated air speed, the air curtain is more attached to the edge of the pot mouth, a good air curtain isolation effect is achieved, and the oil smoke in the pot can not rise upwards after being generated, but is pumped away and discharged, so that the purpose of comprehensively exhausting the oil smoke is achieved.
In one embodiment, the air duct has a funnel-shaped cross section.
In one embodiment, the housing is S-shaped.
In one embodiment, the air duct includes: an air duct base and an air duct cover;
the air duct cover is buckled on the air duct base to form the air duct.
In one embodiment of the present utility model, in one embodiment,
the centrifugal fan is detachably connected with the air duct base;
the air duct base is detachably connected with the outer cover.
According to a second aspect of embodiments of the present disclosure, there is provided a range hood, comprising:
the air curtain device comprises a side plate, an upper cover plate and an air curtain device, wherein the upper cover plate is rotationally connected with one end of the side plate through a connecting piece;
a smoke collecting cavity is formed between the side plate and the upper cover plate;
the air curtain device is positioned on the inner side of the upper cover plate and corresponds to the position of the cooker below the range hood, and the protruding part in the arc is close to the upper cover plate; when the upper cover plate is opened, the air curtain device can enable air to be output from the air outlet of the air duct at a preset angle to form an arc-shaped air curtain, and the arc-shaped air curtain can reach the edge of a pot mouth, close to one side of an operator, of a pot positioned below the range hood to form a positive air pressure effect.
In one embodiment, one end of the outer cover, which is close to the centrifugal fan, is communicated with the outside of the smoke collecting cavity.
In one embodiment, the housing is fixedly connected to the connector.
In one embodiment, the number of air curtain devices is 2.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic view of an air curtain device according to an exemplary embodiment.
Fig. 2 is a schematic structural view of an air curtain device according to an exemplary embodiment.
FIG. 3 is a schematic diagram of an air outlet of an air duct according to an example embodiment.
Fig. 4 is a cross-sectional view of an air curtain device shown according to an exemplary embodiment.
Fig. 5 is an enlarged partial view in cross-section of the air curtain device of fig. 4, according to an exemplary embodiment.
Fig. 6 is an exploded view of an air curtain device according to an exemplary embodiment.
Fig. 7 is a schematic view of a structure of a range hood according to an exemplary embodiment.
Fig. 8 is a schematic structural view of a range hood according to an exemplary embodiment.
Fig. 9 is a schematic view illustrating an operation principle of the range hood according to an exemplary embodiment.
Fig. 10 is a schematic view illustrating an operation principle of the range hood according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
Fig. 1 to 6 are schematic structural views of an air curtain apparatus according to an exemplary embodiment, and as shown in fig. 1 to 6, the air curtain apparatus 1 includes:
the outer cover 11, the centrifugal fan 12 and the air duct 13;
the centrifugal fan 12 and the air duct 13 are positioned in the outer cover, and one end of the outer cover, which is close to the centrifugal fan 12, is an air inlet 121 of the centrifugal fan 12;
the centrifugal fan 12 is connected with an air inlet 131 of the air duct 13;
the area of the air outlet 132 of the air duct 13 is smaller than the area of the air inlet 131 of the air duct 13;
as shown in fig. 3, the section of the air outlet 132 of the air duct 13 is arc-shaped, so that the air outlet 132 of the air duct 13 can form an arc-shaped air curtain.
The centrifugal fan 12 is operated to blow out the air after being rectified by the air duct 13, so that the air range of the air at the air outlet 132 of the air duct 13 is longer, the area of the air outlet 132 of the air duct 13 can be smaller than the area of the air inlet 131 of the air duct 13, the air divergence angle is smaller, the air speed is more concentrated, and the section of the air duct 13 can be funnel-shaped as shown in fig. 4 and 5.
Meanwhile, the air outlet 132 of the air duct 13 is in an arc-shaped design, so that an air curtain formed by air blown out from the air outlet 132 of the air duct 13 can be in an arc shape to be more attached to the edge of the pot mouth, and a good air curtain isolation effect is achieved.
The present disclosure provides an air curtain device comprising: the centrifugal fan comprises an outer cover, a centrifugal fan and an air duct; the centrifugal fan and the air duct are positioned in the outer cover, and one end, close to the centrifugal fan, of the outer cover is an air inlet of the centrifugal fan; the centrifugal fan is connected with an air inlet of the air duct; the area of the air outlet of the air channel is smaller than that of the air inlet of the air channel; the section of the air outlet of the air duct is arc-shaped, so that the air outlet of the air duct can form an arc-shaped air curtain. The area of the air outlet of the air duct is smaller than that of the air inlet of the air duct, and the section of the air outlet of the air duct is arc-shaped, so that the air outlet of the air duct blows out an arc-shaped air curtain with concentrated air speed, the air curtain is more attached to the edge of the pot mouth, a good air curtain isolation effect is achieved, and the oil smoke in the pot can not rise upwards after being generated, but is pumped away and discharged, so that the purpose of comprehensively exhausting the oil smoke is achieved.
When the air curtain device 1 in the present disclosure is applied to a side smoking machine, in order to ensure the sealing effect of the side smoking machine after the upper cover is closed, as shown in fig. 1, 2 and 6, the outer cover is S-shaped.
In one embodiment, to facilitate assembly, disassembly, repair, and replacement of the air curtain device 1, as shown in fig. 6, the air duct 13 includes: the duct base 133 and the duct cover 134;
the air duct cover 134 is buckled on the air duct base 133 to form the air duct 13;
the centrifugal fan 12 is detachably connected with the air duct base 133;
the air duct base 133 is detachably connected with the housing.
In assembly, the duct cover 134 may be fastened to the duct base 133, the centrifugal fan 12 may be mounted to the duct base 133 via a removable connection (e.g., a screw), and the duct base 133 may be mounted to the housing via a removable connection (e.g., a screw).
Fig. 7 to 8 are schematic structural views of a range hood according to an exemplary embodiment, and as shown in fig. 7 to 8, the range hood 2 includes:
a side plate 21, an upper cover plate 22 rotatably connected to one end of the side plate 21 via a connecting member 23, and the air curtain device 11 in any of the above embodiments;
a smoke collecting cavity is formed between the side plate 21 and the upper cover plate 22;
the air curtain device 1 is positioned on the inner side of the upper cover plate 22 and corresponds to the position of the cooker under the range hood 2; the convex portion of the arc is adjacent to the upper cover plate 22; as shown in fig. 7 to 10, when the upper cover 22 is opened, the air curtain device 1 can make air output from the air outlet 132 of the air duct 13 at a preset angle to form an arc-shaped air curtain, and the arc-shaped air curtain can reach the edge of the pot mouth, which is positioned below the range hood 2 and is close to one side of the operator, to form a positive air pressure effect.
Further, when the air curtain device 1 in the present disclosure is applied to a range hood 2, in order to ensure that the air blown by the centrifugal fan 12 can actually reach the edge of the pan opening to obtain a better positive air pressure effect, the air inlet/outlet area ratio of the air duct 13 needs to be calculated, as shown in table 1 (the air inlet area in table 1 is the air inlet 131 area of the air duct 13, and the air outlet area in table 1 is the air outlet 132 area of the air duct 13), by designing the air inlet/outlet area ratio of the air duct 13, the range of the air can be further, the air divergence angle is smaller, and the air speed is more concentrated.
TABLE 1
And the air outlet 132 of the air duct 13 presents an arc-shaped design, so that the air curtain is more attached to the edge of the pot mouth, and a better air curtain isolation effect is obtained.
The present disclosure provides a range hood, comprising: the air curtain device comprises a side plate, an upper cover plate and an air curtain device, wherein the upper cover plate is rotationally connected with one end of the side plate through a connecting piece; a smoke collecting cavity is formed between the side plate and the upper cover plate; the air curtain device is positioned at the inner side of the upper cover plate and corresponds to the position of the cooker below the range hood, and the part of the arc-shaped middle bulge is close to the upper cover plate; when the upper cover plate is opened, the air curtain device can enable air to be output from the air outlet of the air duct at a preset angle to form an arc-shaped air curtain, and the arc-shaped air curtain can reach the edge of a pot mouth, close to one side of an operator, of a pot positioned below the range hood to form a positive air pressure effect. The air curtain device is added on the range hood, positive pressure can be applied to the edge of the cooker by the air curtain device, so that airflow in the cooker flows to the negative pressure area, a front-drive rear-pull airflow field is formed, and the oil smoke can be immediately driven to the negative pressure area after being generated in the cooker, so that the smoke exhausting effect of front-drive rear-pull is realized, the oil smoke can be directly pumped away and discharged instead of rising upwards after being generated, and the purpose of comprehensively exhausting the oil smoke is achieved.
In one embodiment, an end of the housing adjacent the centrifugal fan 12 communicates with the exterior of the smoke collection chamber.
The outer cover can protect internal components (the centrifugal fan 12 and the air duct 13) and separate the centrifugal fan 12 from the inner area of the smoke collecting cavity, so that oil smoke in the smoke collecting cavity is prevented from entering the centrifugal fan 12, one end, close to the centrifugal fan 12, in the outer cover is an air inlet 121 of the centrifugal fan 12, the air inlet 121 of the centrifugal fan 12 is directly connected with the outside of the smoke collecting cavity, and the air entering the centrifugal fan 12 is ensured to be clean without oil smoke.
Because the upper cover plate 22 of the range hood 2 is generally made of glass, the outer cover and the glass are not firmly installed, and in order to ensure the reliability of the outer cover installation, the outer cover is fixedly connected with the connecting piece.
In one embodiment, as shown in fig. 8, the number of the air curtain devices 1 is 2, corresponding to two cooking heads respectively.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (9)
1. An air curtain apparatus, comprising:
the centrifugal fan comprises an outer cover, a centrifugal fan and an air duct;
the centrifugal fan and the air duct are positioned in the outer cover, and one end, close to the centrifugal fan, of the outer cover is an air inlet of the centrifugal fan;
the centrifugal fan is connected with the air inlet of the air duct;
the area of the air outlet of the air channel is smaller than that of the air inlet of the air channel;
the section of the air outlet of the air duct is arc-shaped, so that the air outlet of the air duct can form an arc-shaped air curtain.
2. The air curtain device according to claim 1, wherein the air duct has a funnel-shaped cross section.
3. The air curtain device of claim 1, wherein the housing is S-shaped.
4. The air curtain apparatus of claim 1, wherein the duct comprises: an air duct base and an air duct cover;
the air duct cover is buckled on the air duct base to form the air duct.
5. An air curtain apparatus as defined in claim 4, wherein,
the centrifugal fan is detachably connected with the air duct base;
the air duct base is detachably connected with the outer cover.
6. A range hood, comprising:
a side plate, an upper cover plate rotatably connected to one end of the side plate via a connecting member, and an air curtain device as claimed in any one of claims 1 to 5;
a smoke collecting cavity is formed between the side plate and the upper cover plate;
the air curtain device is positioned on the inner side of the upper cover plate and corresponds to the position of the cooker below the range hood, and the protruding part in the arc is close to the upper cover plate; when the upper cover plate is opened, the air curtain device can enable air to be output from the air outlet of the air duct at a preset angle to form an arc-shaped air curtain, and the arc-shaped air curtain can reach the edge of a pot mouth, close to one side of an operator, of a pot positioned below the range hood to form a positive air pressure effect.
7. The range hood of claim 6, wherein an end of the housing adjacent the centrifugal fan communicates with an exterior of the smoke collection chamber.
8. The range hood of claim 6, wherein the housing is fixedly connected to the connector.
9. The range hood of claim 6, wherein the number of air curtain devices is 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223088882.0U CN218936439U (en) | 2022-11-21 | 2022-11-21 | Air curtain device and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223088882.0U CN218936439U (en) | 2022-11-21 | 2022-11-21 | Air curtain device and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218936439U true CN218936439U (en) | 2023-04-28 |
Family
ID=86088921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223088882.0U Active CN218936439U (en) | 2022-11-21 | 2022-11-21 | Air curtain device and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218936439U (en) |
-
2022
- 2022-11-21 CN CN202223088882.0U patent/CN218936439U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111878867B (en) | Air guide box structure and internal circulation range hood applying same | |
| CN111503668A (en) | Integrated stove with cooking device | |
| CN218936439U (en) | Air curtain device and range hood | |
| CN210399023U (en) | Integrated stove with cooking device | |
| CN210662977U (en) | Side-draft range hood | |
| CN210399025U (en) | Integrated kitchen with cooking device | |
| CN210399024U (en) | Integrated kitchen with cooking device | |
| CN209877015U (en) | Integrated stove with cooking device | |
| CN210399022U (en) | Integrated stove with cooking device | |
| CN115388444A (en) | Smoke machine head and integrated stove | |
| CN112648664B (en) | Fume exhaust fan | |
| WO2021115105A1 (en) | Cooking electric appliance with microwave heating function | |
| CN210861190U (en) | Integrated stove with cooking device | |
| CN111121122B (en) | Air blowing and sucking device and range hood with same | |
| CN111503672A (en) | Integrated kitchen with cooking device | |
| CN218936440U (en) | Integrated kitchen range | |
| JP2641655B2 (en) | Range food | |
| CN111503670A (en) | Integrated kitchen with cooking device | |
| CN110375360A (en) | A kind of side extraction cooking fume extractor | |
| KR20000060555A (en) | Over-the-Range microwave oven | |
| CN220152808U (en) | Tuyere plate and range hood | |
| CN220303727U (en) | Tuyere plate and range hood | |
| CN218269199U (en) | Integrated kitchen range | |
| CN110375349B (en) | Side-draft range hood | |
| CN220771175U (en) | Gas stove, central cooking equipment and kitchen linkage equipment linked with steam box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |