CN217178649U - Air curtain structure of range hood and range hood - Google Patents
Air curtain structure of range hood and range hood Download PDFInfo
- Publication number
- CN217178649U CN217178649U CN202220008506.7U CN202220008506U CN217178649U CN 217178649 U CN217178649 U CN 217178649U CN 202220008506 U CN202220008506 U CN 202220008506U CN 217178649 U CN217178649 U CN 217178649U
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- Prior art keywords
- cyclone
- range hood
- air curtain
- curtain structure
- back plate
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- 239000000779 smoke Substances 0.000 claims abstract description 65
- 239000003517 fume Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 11
- 235000019504 cigarettes Nutrition 0.000 abstract description 9
- 230000000391 smoking effect Effects 0.000 abstract description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 239000003546 flue gas Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000010411 cooking Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation 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
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The utility model discloses a smoke ventilator's air curtain structure and smoke ventilator. The air curtain structure of the range hood comprises side wing plates which are arranged on the side part of a back plate of the range hood; the cyclone channel is arranged at the connecting part between the side wing plate and the back plate; the cyclone outlet is arranged at the front side of the cyclone channel and is positioned at the inner sides of the side wing plates and the back plate; the cyclone inlet is arranged on the smoke collecting cover of the range hood and is communicated with the cyclone channel; and the cyclone fan is arranged in the cyclone channel and used for conveying airflow from the cyclone inlet to the cyclone channel and then sending the airflow out from the cyclone outlet. The utility model provides an air curtain structure can make smoke ventilator have better smoking and hold together the cigarette effect.
Description
Technical Field
The utility model relates to a kitchen electricity technical field especially relates to a smoke ventilator's air curtain structure and smoke ventilator.
Background
The range hood is one of common household appliances for collecting oil smoke in a kitchen, and how to improve the suction efficiency of the range hood is always an important content for designing and researching the range hood. When the traditional range hood inhales air, the air suction range is in a hemispherical area at the smoke collecting port, and air in all directions is sucked indiscriminately. The air flow rate close to the smoke gathering port is high, the smoking effect is good, the air flow rate far away from the smoke gathering port can be rapidly reduced along with the increase of the distance from the smoke gathering port, the upward suction force is insufficient, the interference of external factors is easily caused, for example, the influence of disturbance air flow generated by personnel walking, fan or cold air running and the like is easily caused, and therefore oil smoke or pollutants are dissipated along with the flowing of the disturbance air flow, and the smoke gathering effect and the smoking effect of the range hood are poor.
Therefore, there is a need for an air curtain structure of a range hood to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the problems that exist among the prior art to a certain extent at least, for this reason, the utility model provides a smoke ventilator's air curtain structure can make smoke ventilator have better holding together cigarette and smoking effect.
The above purpose is realized by the following technical scheme:
an air curtain structure of a range hood, comprising:
the side wing plate is arranged on the side part of the back plate of the range hood;
the cyclone channel is arranged at the connecting part between the side wing plate and the back plate;
the cyclone outlet is arranged at the front side of the cyclone channel and is positioned at the inner sides of the side wing plates and the back plate;
the cyclone inlet is arranged on the smoke collecting cover of the range hood and is communicated with the cyclone channel;
and the cyclone fan is arranged in the cyclone channel and used for conveying airflow from the cyclone inlet to the cyclone channel and then sending the airflow out from the cyclone outlet.
Optionally, the cyclone outlet is provided in plurality.
Optionally, a plurality of the cyclone outlets are arranged in an equidistant manner in the vertical direction.
Optionally, the cyclone inlet is provided in plurality; or a first filter screen is arranged at the cyclone inlet.
Optionally, the upper side of the side wing plate is connected with the smoke collecting hood; and/or the rear side of the side wing plate is connected with the back plate.
Optionally, the front side of the side wing plate is arranged obliquely from bottom to top in a direction away from the smoke collecting hood.
Optionally, the end of the side wing plate away from the back plate is a guide portion, the side surface of the guide portion facing the center of the back plate includes a first side surface and a second side surface, the first side surface is located on one side of the second side surface away from the back plate, and an included angle θ between the first side surface and the second side surface is 150-.
Optionally, the width d of the first side face is 5-50 mm.
Optionally, the length L1 of the bottom side of the side wing plate is 1-200mm, the height H of the side wing plate is 400-750mm, and the length L2 of the upper side of the side wing plate is 200-500 mm.
Optionally, the side wing plates are disposed on both sides of the back plate.
The utility model discloses another aspect provides a smoke exhaust ventilator, be in including collection petticoat pipe and setting the backplate of the downside of collection petticoat pipe still includes foretell air curtain structure.
Compared with the prior art, the utility model discloses at least, including following beneficial effect:
the utility model provides a smoke ventilator's gas curtain structure is through setting up the flank board to set up whirlwind export, whirlwind import and whirlwind machine, make the user when culinary art and open smoke ventilator, can select the whirlwind function, with improving smoke ventilator's holding together cigarette and smoking effect. Specifically, when the whirlwind function starts, the air current is seen off from the whirlwind export, then can be under smoke ventilator's main air fan's effect, towards the inboard of flank board and up flow, and then can form the whirlwind air curtain in flank board department, the whirlwind air curtain blows towards the inboard of flank board with the flue gas that the pan takes place, then is blown to collection petticoat pipe under main air fan's effect, then flows to central flue from the air outlet department of the casing that sets up at collection petticoat pipe upside. The utility model provides a flank board can be effectively carry the flue gas to the collection petticoat pipe in from the position of keeping away from the collection petticoat pipe to effectively improved smoke ventilator hold together cigarette and smoking effect, and simple structure, smoke ventilator's volume is less.
Drawings
Fig. 1 is a schematic perspective view of a range hood according to an embodiment of the present invention;
FIG. 2 is an exploded view of FIG. 1;
fig. 3 is a schematic view of the airflow flow of the cyclone air curtain of the range hood according to the embodiment of the present invention;
fig. 4 is a schematic flow diagram between the cyclone air curtain and the flue gas of the range hood according to the embodiment of the present invention;
fig. 5 is a right side view of a side wing plate of a range hood according to an embodiment of the present invention;
fig. 6 is a three-dimensional structure diagram of a side wing plate of the range hood according to the embodiment of the present invention;
fig. 7 is a diagram of the operation steps of the range hood according to the embodiment of the present invention;
fig. 8 is a specific step diagram of operation step S4 of the range hood according to the embodiment of the present invention.
In the figure:
1. a smoke collecting hood; 11. a cyclone inlet;
2. a side wing panel; 21. a first side surface; 22. a second side surface;
3. a back plate;
4. a cyclone outlet;
5. a housing;
6. a first sensor;
7. a second sensor;
8. a second filter screen;
100. a cyclone air curtain; 200. a kitchen range.
Detailed Description
The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.
Referring to fig. 1-3, the present invention provides an air curtain structure of a range hood, which includes a side wing plate 2, a cyclone passage, a cyclone outlet 4, a cyclone inlet 11 and a cyclone fan. The side wing plate 2 is arranged at the side part of the back plate 3 of the range hood. The cyclone channels are provided at the junction between the flanks 2 and the back plate 3. The cyclone outlet 4 is opened at the front side of the cyclone passage and is positioned at the inner side of the side wing plate 2 and the back plate 3. The cyclone inlet 11 is arranged on the smoke collecting cover 1 of the smoke exhaust ventilator and is communicated with the cyclone channel. A cyclone fan is provided in the cyclone passage for conveying the airflow from the cyclone inlet 11 to the cyclone passage and then out of the cyclone outlet 4.
The utility model provides a smoke ventilator's gas curtain structure is through setting up flank board 2 to set up whirlwind export 4, whirlwind import 11 and whirlwind machine, make the user when culinary art and open smoke ventilator, can select the whirlwind function, with that improves smoke ventilator hold together cigarette and smoking effect. When the cyclone function is started, the airflow flows along the direction shown by the arrow a in fig. 3, specifically, the airflow enters the cyclone channel from the cyclone inlet 11 under the action of the cyclone fan, then is sent out from the cyclone outlet 4, then flows upwards towards the inner side of the side wing plate 2 under the action of the main fan of the range hood, and then a cyclone air curtain as shown in fig. 4 is formed at the side wing plate 2, the cyclone air curtain blows the smoke generated by the cooker towards the inner side of the side wing plate 2, then is blown to the smoke collecting hood 1 under the action of the main fan, and then flows out to the central flue from the air outlet of the casing 5 arranged at the upper side of the smoke collecting hood 1. Namely the utility model provides a flank board 2 can be effectively carry the flue gas to collection petticoat pipe 1 in from the position of keeping away from collection petticoat pipe 1 to effectively improved smoke ventilator hold together cigarette and smoking effect, and simple structure, smoke ventilator's volume is less.
Optionally, the cyclone outlet 4 is provided in plurality to increase the area of the cyclone air curtain, thereby improving the smoke collection effect.
Optionally, the plurality of cyclone outlets 4 are arranged at equal intervals along the vertical direction to ensure the wind power at each position of the cyclone air curtain, so that the cyclone air curtain is ensured to have a uniform smoke collecting effect at each position.
Optionally, the diameter of the cyclone outlet 4 is 1-10mm, preferably, in this embodiment, the diameter of the cyclone outlet 4 is 5 mm.
Optionally, in some embodiments, the cyclone inlet 11 is provided in plurality, and the plurality of cyclone inlets 11 not only ensure the air intake amount, but also avoid that the width of the single cyclone inlet 11 is set too large so that impurities can easily fall into the range hood from the cyclone inlet 11. In other embodiments, only one cyclone inlet 11 may be provided, and a first filter screen may be provided at the cyclone inlet 11 to prevent most of the impurities from falling into the range hood through the cyclone inlet 11.
Optionally, the upper side of the side wing plate 2 is connected with the smoke collecting hood 1 to avoid the oil smoke from overflowing between the smoke collecting hood 1 and the side wing plate 2.
Optionally, the rear side of the side wings 2 is connected to the back plate 3 to avoid smoke escaping from between the back plate 3 and the side wings 2.
Optionally, the front sides of the side wing plates 2 are obliquely arranged from bottom to top in a direction away from the fume collecting hood 1, so that on one hand, the distance of the cyclone air curtain blown out of the cyclone outlet 4 can be prolonged, the cyclone air curtain can contact with the fume farther away from the middle part of the fume collecting hood 1 and push the fume to move towards the middle part of the fume collecting hood 1, and the fume collecting effect is improved; on the other hand, the occupation of the cooking operation position is reduced, so that the use experience of a user is guaranteed.
Referring to fig. 5 and 6, optionally, the end of the side wing plate 2 away from the back plate 3 is a guide part, the side of the guide part facing the center of the back plate 3 includes a first side surface 21 and a second side surface 22, the first side surface 21 is located on the side of the second side surface 22 away from the back plate 3, and an included angle θ between the first side surface 21 and the second side surface 22 is 180 °, so as to guide the cyclone air curtain, so that the cyclone air curtain can be more easily turned under the action of the main fan, so as to push the smoke to flow toward the middle of the smoke collecting hood 1, thereby improving the smoke collecting effect.
Preferably, in the present embodiment, the included angle θ between the first side surface 21 and the second side surface 22 is 160 °, so as to provide a better guiding effect for the cyclone air curtain.
Optionally, the width d of the first side surface 21 is 5-50mm to ensure a guiding distance of the cyclone air curtain, so that the cyclone air curtain can completely rotate at the first side surface 21 by a preset angle, and the cyclone air curtain can blow flue gas towards a preset direction under the action of the main blower after flowing out from the first side surface 21, thereby realizing controllability of a smoke collecting direction.
Preferably, in the present embodiment, the width d of the first side surface 21 is 15mm, so that the range hood has a good smoke gathering direction.
Alternatively, the length L1 of the bottom side of the side panel 2 is 1-200mm, the height H of the side panel 2 is 400-750mm, and the length L2 of the upper side of the side panel 2 is 200-500 mm.
Preferably, in the present embodiment, the length L1 of the bottom side of the side wing panel 2 is 20mm, the height H of the side wing panel 2 is 500mm, and the length L2 of the upper side of the side wing panel 2 is 350 mm.
Optionally, the both sides of backplate 3 all are provided with flank board 2 to further improve and hold together the cigarette effect, especially on the top of a kitchen range that is provided with two cooking utensils, when two cooking utensils 200 simultaneous workings, 3 both sides of backplate all are provided with flank board 2 and can avoid the flue gas to spill over from the one side that does not set up and hold together the cigarette board, thereby guarantee to hold together the cigarette effect.
The utility model discloses another aspect provides a smoke exhaust ventilator, including collection petticoat pipe 1 and the backplate 3 of setting in the downside of collection petticoat pipe 1, still include foretell air curtain structure.
Optionally, an air inlet of the smoke collecting cover 1 is provided with a second filter screen 8, and the second filter screen 8 is used for filtering oil stains in the smoke.
Optionally, the device also comprises a first sensor 6 fixedly arranged at the side part of the smoke collecting hood 1, and the side wing plate 2 is detachably arranged at the side part of the smoke collecting hood 1. When a user installs the side wing plate 2 at the side part of the smoke collecting hood 1 and the side wing plate 2 is installed in place, the side wing plate 2 triggers the first sensor 6, the first sensor 6 transmits a signal to a controller of the smoke exhaust ventilator, and the controller judges that the side wing plate 2 is installed in place; and when the user does not install the side wing plate 2 on the smoke collecting cover 1 in place, the side wing plate 2 cannot trigger the first sensor 6, the first sensor 6 cannot transmit a signal to the controller, and the controller judges that the side wing plate 2 is not installed in place at the moment.
Referring to fig. 7 and 8, another aspect of the present invention provides a method for operating a range hood as described above, including the following steps:
s1: starting the range hood;
s2: acquiring the smoke generation amount of the cookware, the installation state of the side wing plates 2 and the working state of the range hood;
s3: when the smoke amount of the cooker reaches a threshold value, the side wing plates 2 are in a state of being installed in place, and the range hood is in a state of opening a cyclone function, the start of the cyclone fan is controlled;
s4: and starting the cyclone fan, and increasing, decreasing or maintaining the air volume Q1 of the cyclone fan so that the ratio of the air speed at the cyclone outlet 4 to the air speed at the smoke collecting opening of the smoke collecting cover 1 is k, wherein k is more than 1.
Optionally, the lower end of the back plate 3 is provided with a second sensor 7, and the second sensor 7 is used for detecting the smoke generation amount of the cookware.
Optionally, k has a value in the range of 1-10. Preferably, in this embodiment, the value of k is preferably 4, so as to ensure that the cyclone air curtain can have enough wind power to blow the flue gas to flow towards the middle of the smoke collecting hood 1.
Optionally, S4 specifically includes the following steps:
s41: acquiring main fan air quantity Q0 of the range hood;
s42: acquiring the air quantity Q1 of the starting cyclone fan;
s43: judging whether Q1 is the set air quantity Q Is provided with If so, maintaining the current rotating speed of the starting-up fan to be operated to the end, otherwise, entering S44;
s44: determine if Q1 is largeAt the set air quantity Q Is provided with If yes, reducing the rotating speed of the starting-up fan and returning to S42, and if not, increasing the rotating speed of the starting-up fan and returning to S42;
wherein Q is Is provided with (k x A1/A0 x Q0) ± n%, A1 is the area of the cyclone outlet 4, A0 is the area of the smoke collecting port, and n is the floating value of the cyclone air volume Q1.
Preferably, in this embodiment, n is 5, and certainly, in other embodiments, n may also be another value from 2 to 10, which is not limited herein.
Optionally, the main blower air quantity obtaining module of the range hood obtains the main blower air quantity Q0 of the range hood.
Optionally, the cyclone fan air volume obtaining module of the air curtain structure obtains the cyclone fan air volume Q1
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which all fall within the scope of the invention.
Claims (11)
1. The utility model provides a smoke ventilator's air curtain structure which characterized in that includes:
the side wing plate (2) is arranged on the side part of the back plate (3) of the range hood;
the cyclone channel is arranged at the connection part between the side wing plate (2) and the back plate (3);
the cyclone outlet (4) is arranged at the front side of the cyclone channel and is positioned at the inner sides of the side wing plates (2) and the back plate (3);
the cyclone inlet (11) is arranged on the smoke collecting cover (1) of the range hood and is communicated with the cyclone channel;
and the cyclone fan is arranged in the cyclone channel and used for conveying airflow from the cyclone inlet (11) to the cyclone channel and then sending the airflow out from the cyclone outlet (4).
2. The air curtain structure of the range hood according to claim 1, wherein the cyclone outlet (4) is provided in plurality.
3. The air curtain structure of the range hood according to claim 2, wherein the plurality of cyclone outlets (4) are arranged in an equidistant manner in a vertical direction.
4. The air curtain structure of the range hood according to claim 1, wherein the cyclone inlet (11) is provided in plurality; or a first filter screen is arranged at the cyclone inlet (11).
5. The air curtain structure of the range hood according to claim 1, wherein the upper side of the side wing plate (2) is connected with the smoke collecting hood (1); and/or the rear side of the side wing plate (2) is connected with the back plate (3).
6. The air curtain structure of the range hood according to claim 5, wherein the front sides of the side wing plates (2) are obliquely arranged from bottom to top in a direction away from the fume collecting hood (1).
7. The air curtain structure of the range hood according to claim 6, wherein the end of the side wing plate (2) far away from the back plate (3) is a guide part, the side surface of the guide part facing the center position of the back plate (3) comprises a first side surface (21) and a second side surface (22), the first side surface (21) is positioned on the side of the second side surface (22) far away from the back plate (3), and the included angle theta between the first side surface (21) and the second side surface (22) is 150-180 degrees.
8. The air curtain structure of the range hood according to claim 7, wherein the width d of the first side surface (21) is 5-50 mm.
9. The air curtain structure of the range hood according to any one of claims 6 to 8, wherein the length L1 of the bottom side of the side wing plate (2) is 1-200mm, the height H of the side wing plate (2) is 400-750mm, and the length L2 of the upper side of the side wing plate (2) is 200-500 mm.
10. The air curtain structure of the range hood according to claim 9, wherein the side wing plates (2) are provided on both sides of the back plate (3).
11. A hood comprising a hood (1) and a back plate (3) provided on the underside of the hood (1), characterized by further comprising an air curtain structure of any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220008506.7U CN217178649U (en) | 2022-01-05 | 2022-01-05 | Air curtain structure of range hood and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220008506.7U CN217178649U (en) | 2022-01-05 | 2022-01-05 | Air curtain structure of range hood and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217178649U true CN217178649U (en) | 2022-08-12 |
Family
ID=82732996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220008506.7U Active CN217178649U (en) | 2022-01-05 | 2022-01-05 | Air curtain structure of range hood and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217178649U (en) |
-
2022
- 2022-01-05 CN CN202220008506.7U patent/CN217178649U/en active Active
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