CN112460662A - Self-cleaning range hood - Google Patents
Self-cleaning range hood Download PDFInfo
- Publication number
- CN112460662A CN112460662A CN202011374619.0A CN202011374619A CN112460662A CN 112460662 A CN112460662 A CN 112460662A CN 202011374619 A CN202011374619 A CN 202011374619A CN 112460662 A CN112460662 A CN 112460662A
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- Prior art keywords
- range hood
- pipe
- self
- cleaning
- water
- 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.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 92
- 239000000779 smoke Substances 0.000 claims abstract description 33
- 239000007921 spray Substances 0.000 claims abstract description 25
- 239000012459 cleaning agent Substances 0.000 claims description 13
- 239000006096 absorbing agent Substances 0.000 claims description 5
- 239000003463 adsorbent Substances 0.000 claims description 5
- 239000006233 lamp black Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 4
- 241000669003 Aspidiotus destructor Species 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000002351 wastewater Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 5
- 239000010865 sewage Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 238000005192 partition Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000013043 chemical agent Substances 0.000 description 3
- 239000003599 detergent Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 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
- F24C15/2035—Arrangement or mounting of filters
-
- 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
- F24C15/2057—Removing cooking fumes using a cleaning liquid
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
A self-cleaning range hood, the centrifugal fan is set up in the housing of the range hood, the shower is set up in the housing of the range hood, the water drainage tank is set up and the bottom of housing of the range hood; the oil gathering box is arranged at the bottom of the box body of the range hood, and the sensor is arranged on the side wall of the oil gathering box; the smoke inlet of the smoke exhaust pipe is connected with the top of the box body of the range hood, the impeller is arranged in the smoke exhaust pipe, and the driving part is connected with the impeller; the water pump is arranged in the water tank and is connected with the water inlet pipe, and the water inlet pipe is connected with the spray pipe; the water drainage tank is arranged at the bottom of the box body of the range hood, one section of the backflow pipe is connected to the water drainage tank, and the other end of the backflow pipe is arranged in the water tank. The invention aims to provide a self-cleaning range hood, which can carry out self-cleaning in the range hood through a spray pipe with holes distributed on the circumference and a cleaning preparation conveyed by a water pump, is convenient for the all-round cleaning in the range hood, reduces the labor cost and prolongs the service life of the range hood.
Description
Technical Field
The invention relates to the field of household kitchen appliances, in particular to a self-cleaning range hood.
Background
After the range hood is used for a period of time, a fan system in the range hood adsorbs a large amount of oil stains, so that the oil smoke absorption effect is greatly reduced. Part traditional lampblack absorber directly discharges the oil smoke to outdoor, leads to the oil smoke to directly get into the atmospheric environment and causes the pollution of air, influences people's health. And long-term oil smoke suction can cause partial oil stain to remain on the oil screen, and the oil smoke suction effect is poor.
Most of spray heads of the existing range hood with the self-cleaning function comprise one or more point-shaped (hole-shaped) spray nozzles, and even if a plurality of spray heads are arranged, the comprehensive cleaning of an oil net cannot be ensured; moreover, the sealing property is poor, and water leakage and liquid leakage are easy to occur. If the fan system needs to be cleaned, the fan needs to be disassembled, so that oil stains are attached extremely difficultly, the workload is large, and the fan is messy, and becomes a headache in the living cleaning and sanitation of people.
In order to reduce the trouble of users, the existing range hood with the self-cleaning function is provided. For example, chinese patent application No. CN201510447390.1 discloses a self-cleaning nozzle for range hood, which is characterized in that the nozzle comprises a base and an end cover connected with each other, and a slit type nozzle for spraying a cleaning agent is formed between the base and the end cover; the base is connected to a detergent storage device, and detergent can be introduced to the slit nozzle through a detergent passage in the base.
The range hood with the self-cleaning function generally adopts a direct spraying mode to clean the fan impeller, but due to the limitation of the water pressure and the range of the water jet, the range hood is difficult to uniformly clean all the blades.
Disclosure of Invention
A self-cleaning range hood comprises a range hood box body, a smoke exhaust device, a centrifugal fan, an oil gathering box, a sensor, a spraying pipe, a drainage groove, a smoke exhaust pipe, an impeller, a driving piece, a water tank, a water pump, a water inlet pipe and a return pipe;
the centrifugal fan is arranged in the range hood box body, the spray pipe is arranged in the range hood box body, and the drainage groove is arranged at the bottom of the range hood box body; the oil gathering box is arranged at the bottom of the range hood box body, and the sensor is arranged on the side wall of the oil gathering box;
the smoke inlet of the smoke exhaust pipe is connected with the top of the range hood box body, the impeller is arranged in the smoke exhaust pipe, and the driving piece is connected with the impeller;
the water pump is arranged in the water tank and is connected with the water inlet pipe, and the water inlet pipe is connected with the spray pipe;
the water drainage tank set up in lampblack absorber bottom half, one section of back flow connect in water drainage tank, the other end of back flow set up in the water tank.
The self-cleaning range hood further comprises a first filter screen, and the first filter screen is arranged on the drainage groove.
According to the self-cleaning range hood, the spray pipe is provided with the water outlet holes, and the water outlet holes are distributed along the circumference of the spray pipe.
The self-cleaning range hood further comprises a second filter screen, wherein the second filter screen is arranged in the smoke exhaust pipe and in front of the impeller.
The self-cleaning range hood further comprises a partition plate, wherein the partition plate is arranged in the water tank, one side of the water tank is used for storing cleaning agents required by the water inlet pipe, and the other side of the water tank is used for collecting sewage discharged by the return pipe.
The self-cleaning range hood further comprises a first switch valve, wherein the first switch valve is arranged on the water inlet pipe.
In the self-cleaning range hood, the spray pipe is movably connected with the water inlet pipe, and the connecting part of the spray pipe and the water inlet pipe is provided with the sealing ring.
The self-cleaning range hood further comprises a second switch valve, wherein the second switch valve is arranged on the return pipe.
Foretell automatically cleaning lampblack absorber, the back flow bottom is provided with third filter screen and the active adsorbent that can adsorb the oil stain, the back flow with the body in the middle of the second ooff valve can be dismantled and be connected.
According to the self-cleaning range hood, the two side walls of the water tank are provided with the transparent graduations for observing the water levels of the cleaning agent and the sewage in the water tank.
Compared with the prior art, the invention has the advantages that:
1. the spray pipe with the circumferentially distributed holes is arranged inside the range hood and used for cleaning the inside of the range hood, so that the inside of the range hood can be cleaned in an all-around manner.
2. A water tank is arranged outside the range hood and used for storing cleaning agent and conveying cleaning agent for the spray pipe
3. A return pipe is arranged in the range hood, so that the cleaning sewage in the range hood can return to a water tank to form the recycling of the cleaning preparation; set up filter screen and adsorbable greasy dirt's chemical at the back flow outlet end to back flow ooff valve lower part pipeline can be dismantled, can clean and can get rid of the impurity in the pipeline to the sewage in the back flow.
4. One end of the drainage groove close to the inlet of the return pipe is lower than the other end of the drainage groove, so that sewage in the drainage groove can be completely drained into the return pipe, and no sewage is accumulated in the drainage groove.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic structural view of a range hood according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the bottom of a range hood cabinet according to a specific embodiment of the present invention;
description of reference numerals:
1. a range hood box body; 1.1, a centrifugal fan; 1.2, a spray pipe; 1.3 oil gathering box; 1.4 a drainage groove; 2. a fume extractor; 2.1, a smoke exhaust pipe; 2.2, an impeller; 2.3, a second filter screen; 3. a water tank; 3.1, a water pump; 3.2, a water inlet pipe; 3.2.1, a first switch valve; 3.3, a return pipe; 3.3.1, a second switch valve; 3.3.2, a third filter screen; 3.4, a scale table.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1, a self-cleaning range hood provided by the embodiment of the present invention includes a range hood box, a smoke exhaust device disposed on the range hood box, and a self-cleaning device;
a centrifugal fan is arranged in the range hood box body 1, the centrifugal fan 1.1 is made of a material with excellent grease adsorption performance, when the range hood works, the centrifugal fan 1.1 is started, oil stains are adsorbed to fan blades of the centrifugal fan 1.1, and when the oil stains on a plurality of fan blades of the centrifugal fan 1.1 are accumulated to a certain degree, the oil stains are thrown to the inner wall of the range hood box body 1 by the centrifugal fan 1.1 under the action of centrifugal force; the inner wall of the range hood box body 1 is made of a material with high surface smoothness, preferably, a layer of film is adhered to the inner wall of the range hood box body 1, and oil stains thrown to the inner wall of the range hood box body 1 by the centrifugal fan 1.1 flow into the oil collecting box 1.3 at the bottom of the range hood box body 1 under the action of gravity; further, as shown in fig. 2, the bottom of the range hood box 1 is arranged in an arc shape, so that oil stains can flow and accumulate in the oil collecting box 1.3 under the action of gravity; gather oil box 1.3 lateral wall and be provided with the sensor, when institute gather when the oil stain volume of collecting in the oil box 1.3 reaches the setting volume of sensor, gather the oil box lid at oil box 1.3 top and close, start the automatically cleaning mode of lampblack absorber simultaneously.
The self-cleaning device comprises a water tank 3, wherein a cleaning agent is stored in the water tank 3, and the cleaning agent is prepared by mixing a chemical preparation for efficiently removing oil stains and water; further, the water tank 3 is connected with a water pipe, a storage part for storing chemical agents for efficiently removing oil stains is further arranged in the water tank 3, when the range hood starts a self-cleaning mode, the water pipe connected with the water tank 3 starts to discharge water and simultaneously releases the chemical agents in the storage part, and the chemical agents are prevented from volatilizing when not used; furthermore, a partition is arranged in the middle of the water tank 3, one side of the partition is used for storing cleaning agents required by the water inlet pipe 3.2, and the other side of the partition is used for storing sewage discharged through the return pipe 3.3. Furthermore, transparent graduates 3.4 are arranged on two side walls of the water tank and used for observing the water levels of the cleaning agent and the sewage in the water tank.
The self-cleaning device also comprises a water pump 3.1, when the water pump 3.1 is started, a cleaning agent is pumped to the water purifying pipe 3.2, the water inlet pipe 3.2 is connected with the spray pipe 1.2, and further, a sealing ring is arranged at the joint of the water purifying pipe 3.2 and the spray pipe 1.2, so that water leakage of the water inlet pipe in the water feeding process is prevented; a plurality of water outlet holes are formed in the spray pipe 1.2 and distributed along the circumference of the spray pipe, so that omnibearing cleaning is facilitated; a water discharge groove 1.4 is further formed in the bottom of the range hood box body 1, a water outlet of the water discharge groove 1.4 is connected with a water inlet of the return pipe 3.3, the bottom end of the return pipe 3.3 is arranged in the water tank 3, and the return pipe is used for collecting cleaning agents for cleaning oil stains; further, a third filter screen 3.3.2 and an active adsorbent capable of adsorbing oil stains are arranged at the bottom end of the return pipe 3.3; furthermore, a first switch valve 3.2.1 and a second switch valve 3.3.1 are respectively arranged on the water inlet pipe and the return pipe and are used for controlling the size of water flow; furthermore, the return pipe 3.3 and the pipe body in the middle of the second switch valve 3.3.1 can be detached, so that impurities in the pipe can be cleaned conveniently, and the active adsorbent can be replaced conveniently.
The smoke exhaust device comprises a smoke exhaust pipe 2.1 movably connected with the top of the range hood box body 1, a second filter screen 2.3 is arranged at a smoke inlet of the smoke exhaust pipe, and the second filter screen 2.3 is used for filtering water stains in smoke; further, an impeller 2.2 is arranged in the smoke exhaust pipe 2.1 and is driven by a motor connected with the outside.
In a preferred embodiment, when the self-cleaning range hood works, the box cover at the top of the oil collecting box 1.3 is closed, then the impeller 2.2 driven by the motor starts to work, the centrifugal fan 1.1 is started, the centrifugal fan 1.1 can filter most oil stains, and the oil stains adsorbed on the inner wall of the range hood box 1 thrown out by the centrifugal fan are accumulated at the bottom of the range hood box 1 under the action of gravity; after the self-cleaning range hood stops working, the box cover at the top of the oil gathering box 1.3 is opened, oil stains accumulated at the bottom of the range hood box 1 are gathered into the oil gathering box 1.3 under the action of gravity, and when the oil stains amount in the oil gathering box 1.3 reaches the set amount of the sensor, the box cover at the top of the oil gathering box 1.3 is closed, and a self-cleaning mode of the self-cleaning range hood is started; preferably, the oil gathering box 1.3 can be detachably cleaned; after the self-cleaning mode is started, a water pump 3.1 is started, a first switch valve 3.2.1 and a second switch valve 3.3.1 are opened, a preparation with a cleaning effect is conveyed upwards through the water pump 3.1, the cleaning preparation is sprayed into the range hood box body 1 through a spray pipe 1.2 with circumferentially distributed holes, an all-round cleaning effect is achieved, oil stains in smoke sucked into the range hood are separated, and the smoke discharged out of the range hood box body 1 achieves the cleaning effect; a smoke inlet and a smoke outlet of a smoke exhaust pipe 2.1 positioned at the top of the range hood box body 1 are provided with second filter screens 2.4, so that stains and water stains are prevented from entering the impeller 2.2, and the operation of the impeller 2.2 is prevented from being damaged. The filtered oil stain and the sewage are dripped into a drainage groove 1.4 at the bottom of the box body 1 of the range hood and flow into a cavity of the water tank 3 for storing the sewage through a return pipe 3.3; when sewage is discharged into the return pipe 3.3 and enters the water tank, impurities in the sewage are filtered by the adsorbent at the outlet at the bottom of the return pipe 3.3 and the third filter screen 3.3.2, so that water flowing into the water tank can achieve a partial cleaning effect, the return pipe at the lower part of the switch valve can be detached, and the impurities at the outlet at the bottom of the return pipe can be cleaned.
In another embodiment, the self-cleaning range hood is a full-automatic self-cleaning range hood, and a user only needs to replace the oil collecting box 1.3, place enough cleaning agent in the storage part in the water tank 3 and place the water pump with an external water pipe. When the self-cleaning type oil stain collecting box is used, when the oil stain collected by the oil collecting box 1.3 reaches a certain amount, the self-cleaning mode of the self-cleaning type range hood is automatically started; the oil stain threshold value set by the sensor in the oil gathering box 1.3 is provided with a certain allowance, so that the self-cleaning mode is prevented from being started when the self-cleaning range hood is used for smoking.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. A self-cleaning range hood comprises a range hood box body and a smoke exhaust device, and is characterized by further comprising a centrifugal fan, an oil gathering box, a sensor, a spraying pipe, a water drainage tank, a smoke exhaust pipe, an impeller, a driving piece, a water tank, a water pump, a water inlet pipe and a return pipe;
the centrifugal fan is arranged in the range hood box body, the spray pipe is arranged in the range hood box body, and the drainage groove is arranged at the bottom of the range hood box body; the oil gathering box is arranged at the bottom of the range hood box body, and the sensor is arranged on the side wall of the oil gathering box;
the smoke inlet of the smoke exhaust pipe is connected with the top of the range hood box body, the impeller is arranged in the smoke exhaust pipe, and the driving piece is connected with the impeller;
the water pump is arranged in the water tank and is connected with the water inlet pipe, and the water inlet pipe is connected with the spray pipe;
the water drainage tank set up in lampblack absorber bottom half, one section of back flow connect in water drainage tank, the other end of back flow set up in the water tank.
2. A self-cleaning range hood as defined in claim 1, further comprising a first filter disposed on said drain trough.
3. A self-cleaning range hood as defined in claim 1, wherein said spray header is provided with outlet holes, said outlet holes being arranged circumferentially around said spray header.
4. A self-cleaning range hood as defined in claim 1, further comprising a second filter disposed within said smoke evacuation tube and in front of said impeller.
5. A self-cleaning range hood as defined in claim 1, further comprising a baffle disposed within said tank for storing cleaning composition required by said inlet pipe on one side and for collecting waste water discharged from said return pipe on the other side.
6. A self-cleaning range hood as defined in claim 1, further comprising a first on-off valve disposed on said inlet pipe.
7. A self-cleaning range hood as defined in claim 1, wherein said spray pipe is movably connected to said inlet pipe, and a seal ring is provided at a connection portion of said spray pipe and said inlet pipe.
8. A self-cleaning range hood as defined in claim 1, further comprising a second switch valve, said second switch valve being disposed on said return line.
9. The self-cleaning range hood as defined in claim 1, wherein the bottom of the return pipe is provided with a third filter and an active adsorbent capable of adsorbing oil stains, and the return pipe is detachably connected with the pipe body in the middle of the second switch valve.
10. A self-cleaning range hood as defined in claim 1, wherein transparent scales are provided on both side walls of said tank for observing the level of cleaning agent and contaminated water in said tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011374619.0A CN112460662A (en) | 2020-11-30 | 2020-11-30 | Self-cleaning range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011374619.0A CN112460662A (en) | 2020-11-30 | 2020-11-30 | Self-cleaning range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112460662A true CN112460662A (en) | 2021-03-09 |
Family
ID=74804989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011374619.0A Pending CN112460662A (en) | 2020-11-30 | 2020-11-30 | Self-cleaning range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112460662A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046017A (en) * | 2021-12-01 | 2022-02-15 | 徐州欧杰达建筑装饰材料有限公司 | Fireproof flue with environmental protection function |
| CN114893809A (en) * | 2022-06-10 | 2022-08-12 | 芜湖美的智能厨电制造有限公司 | Oil box assembly and integrated stove |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2513034Y (en) * | 2001-12-07 | 2002-09-25 | 郑立东 | Fume purifier |
| CN104654392A (en) * | 2013-11-15 | 2015-05-27 | 西安上尚机电有限公司 | Household novel water mist spraying oily smoke purifier |
| CN207515008U (en) * | 2017-10-11 | 2018-06-19 | 孔令得 | A kind of kitchen ventilator with interior cleaning function |
| CN111720870A (en) * | 2020-07-04 | 2020-09-29 | 王凌杭 | High-efficient lampblack purification range hood of oil smoke |
-
2020
- 2020-11-30 CN CN202011374619.0A patent/CN112460662A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2513034Y (en) * | 2001-12-07 | 2002-09-25 | 郑立东 | Fume purifier |
| CN104654392A (en) * | 2013-11-15 | 2015-05-27 | 西安上尚机电有限公司 | Household novel water mist spraying oily smoke purifier |
| CN207515008U (en) * | 2017-10-11 | 2018-06-19 | 孔令得 | A kind of kitchen ventilator with interior cleaning function |
| CN111720870A (en) * | 2020-07-04 | 2020-09-29 | 王凌杭 | High-efficient lampblack purification range hood of oil smoke |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046017A (en) * | 2021-12-01 | 2022-02-15 | 徐州欧杰达建筑装饰材料有限公司 | Fireproof flue with environmental protection function |
| CN114893809A (en) * | 2022-06-10 | 2022-08-12 | 芜湖美的智能厨电制造有限公司 | Oil box assembly and integrated stove |
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| PB01 | Publication | ||
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Application publication date: 20210309 |