CN210662985U - Fume exhaust fan - Google Patents
Fume exhaust fan Download PDFInfo
- Publication number
- CN210662985U CN210662985U CN201921081401.9U CN201921081401U CN210662985U CN 210662985 U CN210662985 U CN 210662985U CN 201921081401 U CN201921081401 U CN 201921081401U CN 210662985 U CN210662985 U CN 210662985U
- Authority
- CN
- China
- Prior art keywords
- smoke
- mouth
- casing
- guide plate
- cigarette
- 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.)
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Links
- 239000003517 fume Substances 0.000 title description 3
- 239000000779 smoke Substances 0.000 claims abstract description 78
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 235000019504 cigarettes Nutrition 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
- Air-Flow Control Members (AREA)
Abstract
The utility model relates to a range hood, including the casing and locate the fan system in this casing, its characterized in that: the casing lower part has the smoke inlet chamber of vertical extension, it has the mouth of cigarette that is linked together with this smoke inlet chamber to open on the preceding lateral wall of casing lower part, the casing front side is provided with the fender cigarette board that is close to the mouth of cigarette upper edge and arranges, the top edge of mouth of cigarette is provided with the water conservancy diversion structure that can reduce the entry oil smoke velocity of flow, and this water conservancy diversion structure has the first deflector that top-down inclines gradually backward at least. The utility model discloses the water conservancy diversion structure of setting at the mouth upper edge department of advancing can form the air current buffer area with keeping off the cigarette board jointly, carries out the deceleration for the oil smoke that rises fast, makes the oil smoke produce after advancing the mouth and get into the smoke chamber through advancing the mouth briefly around flowing after being siphoned away and discharge fast to oil absorption cigarette effect has been improved, the aerodynamic noise of the mouth department of advancing has been reduced.
Description
Technical Field
The utility model relates to a for kitchen use household electrical appliances technical field specifically indicates a range hood.
Background
Range hood is the electrical apparatus that is essential in the kitchen at present, and is comparatively common and use more extensively to arrange oily smoke purification system in last.
At present, the upward-exhaust oil fume purification system is mainly divided into two types: a top-suction range hood and a near-suction range hood. The top-suction type range hood is more attractive, but the smoke inlet is higher, and the smoke suction effect is limited; compared with a top-suction range hood, the near-suction range hood has a lower smoke inlet, but is influenced by the appearance structure and the internal air duct structure of the near-suction range hood, and the existing near-suction range hood cannot better approach oil smoke, so that the oil smoke suction effect is limited to a great extent.
For the vertically arranged smoke inlet duct, as shown in fig. 4, if the smoke inlet 111 ' is located at the front side of the smoke inlet duct 11 ' and is arranged perpendicular to the smoke inlet duct 11 ', when rising smoke enters the smoke inlet duct from the smoke inlet, a vortex is formed at the inner wall of the inlet of the smoke inlet duct when the fluid turns rapidly, resulting in gas backflow, energy loss and aerodynamic noise.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art's current situation, thereby provide one kind and can cushion the entry oil smoke and avoid the vortex to form and then improve range hood of oil absorption cigarette effect, noise reduction.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a range hood, includes the casing and locates the fan system in this casing, its characterized in that: the casing lower part has the smoke inlet chamber of vertical extension, it has the mouth of cigarette that is linked together with this smoke inlet chamber to open on the preceding lateral wall of casing lower part, the casing front side is provided with the fender cigarette board that is close to the mouth of cigarette upper edge and arranges, the top edge of mouth of cigarette is provided with the water conservancy diversion structure that can reduce the entry oil smoke velocity of flow, and this water conservancy diversion structure has the first deflector that top-down inclines gradually backward at least.
Preferably, a second guide plate which is gradually inclined upward from front to back is joined to a lower edge of the first guide plate. The second guide plate can further play a role in guiding the oil smoke.
preferably, the included angle between the second guide plate and the front side wall of the smoke inlet cavity is α, α is more than or equal to 15 degrees and less than or equal to 70 degrees, the distance between the joint of the first guide plate and the second guide plate and the rear wall in the smoke inlet cavity is s, the vertical height of the second guide plate is h, and h multiplied by sin α is more than or equal to 2 and less than or equal to s/2.
Preferably, in the state that the smoke baffle is horizontally arranged, the height between the joint of the first guide plate and the second guide plate and the lower wall surface of the smoke baffle is H, and H is more than or equal to 10mm and less than or equal to 60 mm. By adopting the structure, the smoke baffle plate enables the oil smoke to enter the smoke inlet after gathering the oil smoke and further smoothly discharge the oil smoke after reducing the speed through the flow guide structure, thereby being beneficial to avoiding vortex formation, improving the oil smoke absorption effect and reducing the noise.
In each scheme, a smoke guide structure protruding backwards is arranged on the inner front wall of the smoke inlet cavity, the smoke guide structure is provided with a plane which is vertically arranged and an inclined plane which gradually inclines outwards from the edge of the plane, and the smoke guide structure is positioned above the flow guide structure. The structure is beneficial to reducing the resistance to oil smoke fluid and improving the oil smoke absorption effect.
Compared with the prior art, the utility model has the advantages of: the utility model discloses the water conservancy diversion structure of setting at the mouth upper edge department of advancing can form the air current buffer area with keeping off the cigarette board jointly, carries out the deceleration for the oil smoke that rises fast, makes the oil smoke produce after advancing the mouth and get into the smoke chamber through advancing the mouth briefly around flowing after being siphoned away and discharge fast to oil absorption cigarette effect has been improved, the aerodynamic noise of the mouth department of advancing has been reduced.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a smoke inlet cavity and a flow guiding structure in an embodiment of the present invention;
FIG. 3 is a schematic view of the flow state of the oil smoke in the embodiment of the present invention;
fig. 4 is a schematic view of the flow state of the oil smoke in the background art of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 3, the range hood of the embodiment includes a housing 1 and a fan system 2 disposed in the housing 1, a smoke inlet 11 extending vertically is formed in a lower portion of the housing 1, a smoke inlet 111 communicated with the smoke inlet 11 is formed in a front side wall of the lower portion of the housing 1, a smoke baffle 3 disposed near an upper edge of the smoke inlet 111 is disposed at a front side of the housing 1, and the smoke baffle 3 may be horizontally fixed or may be capable of being turned over.
In this embodiment, the upper edge of the smoke inlet 111 is provided with a flow guiding structure 4 capable of reducing the flow rate of inlet smoke, the flow guiding structure 4 includes a first guiding plate 41 and a second guiding plate 42, the upper edge of the first guiding plate 41 is connected with the upper edge of the smoke inlet 111, the first guiding plate 41 is gradually inclined backward from top to bottom, and the second guiding plate 42 is connected with the lower edge of the first guiding plate 41 and is gradually inclined upward from front to back.
specifically, the included angle between the second guide plate 42 and the front side wall of the smoke inlet cavity 11 is α, α is more than or equal to 15 degrees and less than or equal to 70 degrees, the distance from the joint of the first guide plate 41 and the second guide plate 42 to the inner rear wall of the smoke inlet cavity 11 is s, the vertical height of the second guide plate 42 is H, and H × sin α is more than or equal to 2 and less than or equal to s/2. under the horizontal arrangement state of the smoke baffle plate 3, the height from the joint of the first guide plate 41 and the second guide plate 42 to the lower wall surface of the smoke baffle plate 3 is H, and H is more than or equal to 10mm and less than or equal to 60 mm.
The inner front wall of the smoke inlet cavity 11 is provided with a smoke guiding structure 5 protruding backwards, the smoke guiding structure 5 has a plane 51 arranged vertically and an inclined plane 52 extending from the edge of the plane 51 to the outside gradually in an inclined manner, and the smoke guiding structure 5 is located above the flow guiding structure 4. The structure is beneficial to reducing the resistance to oil smoke fluid and improving the oil smoke absorption effect.
The air current buffer area can be formed jointly with the smoke baffle 3 to the water conservancy diversion structure 4 that this embodiment set up in the edge of advancing the mouth 111 top edge, carries out the deceleration for the oil smoke that rises fast, makes the oil smoke produce after entering into smoke cavity 11 through advancing mouth 111 for a short time the stream of detouring after being inhaled and discharge fast to oil absorption cigarette effect has been improved, the aerodynamic noise of advancing mouth 111 department has been reduced.
Claims (5)
1. The utility model provides a range hood, includes casing (1) and locates fan system (2) in this casing (1), its characterized in that: casing (1) lower part has the smoke inlet chamber (11) of vertical extension, it has into mouth (111) that is linked together with this smoke inlet chamber (11) to open on the preceding lateral wall of casing (1) lower part, casing (1) front side is provided with and is close to smoke baffle (3) that mouth (111) upper edge was arranged into, the upper edge of mouth (111) is provided with can reduce the water conservancy diversion structure (4) of entry oil smoke velocity of flow, and this water conservancy diversion structure (4) have first deflector (41) that top-down inclined backward gradually at least.
2. The range hood of claim 1, wherein: the lower edge of the first guide plate (41) is connected with a second guide plate (42) which is gradually inclined upwards from front to back.
3. the range hood according to claim 2, wherein the included angle between the second guide plate (42) and the front side wall of the smoke inlet cavity (11) is α, and α is more than or equal to 15 degrees and less than or equal to 70 degrees.
4. the range hood according to claim 3, wherein the distance from the joint of the first guide plate (41) and the second guide plate (42) to the inner rear wall of the smoke inlet cavity (11) is s, and the height of the second guide plate (42) in the vertical direction is h, 2 is more than or equal to h x sin α is more than or equal to s/2.
5. The range hood according to any one of claims 1 to 4, wherein: and in the horizontal arrangement state of the smoke baffle plate (3), the height between the joint of the first guide plate (41) and the second guide plate (42) and the lower wall surface of the smoke baffle plate (3) is H, and H is more than or equal to 10 and less than or equal to 60 mm.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201910030306 | 2019-01-14 | ||
CN2019100303064 | 2019-01-14 |
Publications (2)
Publication Number | Publication Date |
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CN210662985U true CN210662985U (en) | 2020-06-02 |
CN210662985U9 CN210662985U9 (en) | 2023-10-31 |
Family
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Family Applications (28)
Application Number | Title | Priority Date | Filing Date |
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CN201920904750.XU Active CN210399059U (en) | 2019-01-14 | 2019-06-14 | Fume exhaust fan |
CN201920901873.8U Active CN210399057U (en) | 2019-01-14 | 2019-06-14 | Fume exhaust fan |
CN201920904726.6U Active CN211119552U (en) | 2019-01-14 | 2019-06-14 | Fume exhaust fan |
CN201920901893.5U Active CN210399058U (en) | 2019-01-14 | 2019-06-14 | Fume exhaust fan |
CN201921080558.XU Active CN211119553U (en) | 2019-01-14 | 2019-07-11 | Fume exhaust fan |
CN201921085486.8U Active CN210662986U (en) | 2019-01-14 | 2019-07-11 | Fume exhaust fan |
CN201921081401.9U Active CN210662985U9 (en) | 2019-01-14 | 2019-07-11 | Fume exhauster |
CN201910623567.7A Pending CN111435004A (en) | 2019-01-14 | 2019-07-11 | Fume exhaust fan |
CN201921086672.3U Active CN211119554U (en) | 2019-01-14 | 2019-07-11 | Fume exhaust fan |
CN201910623568.1A Pending CN111435005A (en) | 2019-01-14 | 2019-07-11 | Fume exhaust fan |
CN201921294529.3U Active CN211372528U (en) | 2019-01-14 | 2019-08-11 | Fume exhaust fan |
CN201921293162.3U Active CN210861257U (en) | 2019-01-14 | 2019-08-11 | Fume exhaust fan |
CN201921293163.8U Active CN210861258U (en) | 2019-01-14 | 2019-08-11 | Fume exhaust fan |
CN201921438462.6U Active CN211372529U (en) | 2019-01-14 | 2019-08-30 | Fume exhaust fan |
CN201921437618.9U Active CN211822557U (en) | 2019-01-14 | 2019-08-30 | Fume exhaust fan |
CN201921440478.0U Active CN211372530U (en) | 2019-01-14 | 2019-08-30 | Fume exhaust fan |
CN201921437254.4U Active CN211822556U (en) | 2019-01-14 | 2019-08-30 | Fume exhaust fan |
CN201921440435.2U Active CN210861274U (en) | 2019-01-14 | 2019-08-30 | Fume exhaust fan |
CN201921439742.9U Active CN210861270U (en) | 2019-01-14 | 2019-08-30 | Fume exhaust fan |
CN201921440476.1U Active CN210861275U (en) | 2019-01-14 | 2019-08-30 | Fume exhaust fan |
CN201922494753.3U Active CN211625389U (en) | 2019-01-14 | 2019-12-31 | Fume exhaust fan |
CN201922496205.4U Active CN211625390U (en) | 2019-01-14 | 2019-12-31 | Fume exhaust fan |
CN201922496962.1U Active CN211625391U (en) | 2019-01-14 | 2019-12-31 | Fume exhaust fan |
CN202010031763.8A Active CN111023221B (en) | 2019-01-14 | 2020-01-13 | Fume exhaust fan |
CN202020066610.2U Active CN211822584U (en) | 2019-01-14 | 2020-01-13 | Fume exhaust fan |
CN202020065569.7U Active CN212378029U (en) | 2019-01-14 | 2020-01-13 | Fume exhaust fan |
CN202010031341.0A Active CN111006291B (en) | 2019-01-14 | 2020-01-13 | Fume exhaust fan |
CN202020066346.2U Active CN212378031U (en) | 2019-01-14 | 2020-01-13 | Fume exhaust fan |
Family Applications Before (6)
Application Number | Title | Priority Date | Filing Date |
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CN201920904750.XU Active CN210399059U (en) | 2019-01-14 | 2019-06-14 | Fume exhaust fan |
CN201920901873.8U Active CN210399057U (en) | 2019-01-14 | 2019-06-14 | Fume exhaust fan |
CN201920904726.6U Active CN211119552U (en) | 2019-01-14 | 2019-06-14 | Fume exhaust fan |
CN201920901893.5U Active CN210399058U (en) | 2019-01-14 | 2019-06-14 | Fume exhaust fan |
CN201921080558.XU Active CN211119553U (en) | 2019-01-14 | 2019-07-11 | Fume exhaust fan |
CN201921085486.8U Active CN210662986U (en) | 2019-01-14 | 2019-07-11 | Fume exhaust fan |
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CN201910623567.7A Pending CN111435004A (en) | 2019-01-14 | 2019-07-11 | Fume exhaust fan |
CN201921086672.3U Active CN211119554U (en) | 2019-01-14 | 2019-07-11 | Fume exhaust fan |
CN201910623568.1A Pending CN111435005A (en) | 2019-01-14 | 2019-07-11 | Fume exhaust fan |
CN201921294529.3U Active CN211372528U (en) | 2019-01-14 | 2019-08-11 | Fume exhaust fan |
CN201921293162.3U Active CN210861257U (en) | 2019-01-14 | 2019-08-11 | Fume exhaust fan |
CN201921293163.8U Active CN210861258U (en) | 2019-01-14 | 2019-08-11 | Fume exhaust fan |
CN201921438462.6U Active CN211372529U (en) | 2019-01-14 | 2019-08-30 | Fume exhaust fan |
CN201921437618.9U Active CN211822557U (en) | 2019-01-14 | 2019-08-30 | Fume exhaust fan |
CN201921440478.0U Active CN211372530U (en) | 2019-01-14 | 2019-08-30 | Fume exhaust fan |
CN201921437254.4U Active CN211822556U (en) | 2019-01-14 | 2019-08-30 | Fume exhaust fan |
CN201921440435.2U Active CN210861274U (en) | 2019-01-14 | 2019-08-30 | Fume exhaust fan |
CN201921439742.9U Active CN210861270U (en) | 2019-01-14 | 2019-08-30 | Fume exhaust fan |
CN201921440476.1U Active CN210861275U (en) | 2019-01-14 | 2019-08-30 | Fume exhaust fan |
CN201922494753.3U Active CN211625389U (en) | 2019-01-14 | 2019-12-31 | Fume exhaust fan |
CN201922496205.4U Active CN211625390U (en) | 2019-01-14 | 2019-12-31 | Fume exhaust fan |
CN201922496962.1U Active CN211625391U (en) | 2019-01-14 | 2019-12-31 | Fume exhaust fan |
CN202010031763.8A Active CN111023221B (en) | 2019-01-14 | 2020-01-13 | Fume exhaust fan |
CN202020066610.2U Active CN211822584U (en) | 2019-01-14 | 2020-01-13 | Fume exhaust fan |
CN202020065569.7U Active CN212378029U (en) | 2019-01-14 | 2020-01-13 | Fume exhaust fan |
CN202010031341.0A Active CN111006291B (en) | 2019-01-14 | 2020-01-13 | Fume exhaust fan |
CN202020066346.2U Active CN212378031U (en) | 2019-01-14 | 2020-01-13 | Fume exhaust fan |
Country Status (1)
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CN (28) | CN210399059U (en) |
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CN111536563B (en) * | 2020-05-12 | 2022-02-15 | 宁波方太厨具有限公司 | Fume exhaust fan |
CN112413669B (en) * | 2020-08-13 | 2022-08-23 | 宁波方太厨具有限公司 | Range hood capable of distributing air volume |
CN112361399B (en) * | 2020-08-13 | 2023-04-14 | 宁波方太厨具有限公司 | Range hood capable of distributing air volume |
CN112283771A (en) * | 2020-10-14 | 2021-01-29 | 青岛海尔智慧厨房电器有限公司 | Smoke collecting hood and range hood |
CN112344404B (en) * | 2020-10-16 | 2022-04-19 | 宁波方太厨具有限公司 | Range hood and control method thereof |
CN112393299A (en) * | 2020-11-27 | 2021-02-23 | 宜兴市泰宇汽车零部件有限公司 | Frame-type range hood sound absorbing device based on plastic and sound absorbing cotton combined material |
CN112963873B (en) * | 2021-01-07 | 2022-11-29 | 宁波方太厨具有限公司 | Near-suction range hood and control method thereof |
CN112902262B (en) * | 2021-03-11 | 2022-08-23 | 宁波方太厨具有限公司 | Range hood and working method thereof |
CN113864843B (en) * | 2021-10-29 | 2023-07-18 | 深圳创维智能厨电有限公司 | Concealed fume exhauster with fume collecting cavity |
CN114183788A (en) * | 2021-12-23 | 2022-03-15 | 珠海格力电器股份有限公司 | Range hood, automatic control method and device thereof and storage medium |
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2019
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Also Published As
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CN210861275U (en) | 2020-06-26 |
CN210662985U9 (en) | 2023-10-31 |
CN210399058U (en) | 2020-04-24 |
CN210861257U (en) | 2020-06-26 |
CN211625390U (en) | 2020-10-02 |
CN211372530U (en) | 2020-08-28 |
CN111435004A (en) | 2020-07-21 |
CN211625391U (en) | 2020-10-02 |
CN210399059U (en) | 2020-04-24 |
CN111006291B (en) | 2021-08-20 |
CN210399057U (en) | 2020-04-24 |
CN211822556U (en) | 2020-10-30 |
CN211119554U (en) | 2020-07-28 |
CN211119553U (en) | 2020-07-28 |
CN211822584U (en) | 2020-10-30 |
CN111006291A (en) | 2020-04-14 |
CN111435005A (en) | 2020-07-21 |
CN211119552U (en) | 2020-07-28 |
CN212378031U (en) | 2021-01-19 |
CN211372528U (en) | 2020-08-28 |
CN212378029U (en) | 2021-01-19 |
CN210861274U (en) | 2020-06-26 |
CN210662986U (en) | 2020-06-02 |
CN111023221A (en) | 2020-04-17 |
CN211372529U (en) | 2020-08-28 |
CN210861258U (en) | 2020-06-26 |
CN211822557U (en) | 2020-10-30 |
CN211625389U (en) | 2020-10-02 |
CN111023221B (en) | 2021-11-12 |
CN210861270U (en) | 2020-06-26 |
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Correction item: Claims Correct: 2 h x Sin a S/2 False: 2 2 h x Sin a S/2 Number: 23-01 Page: ?? Volume: 36 |