CN113757184A - Lampblack absorber impeller air current cleaning device - Google Patents
Lampblack absorber impeller air current cleaning device Download PDFInfo
- Publication number
- CN113757184A CN113757184A CN202110889787.1A CN202110889787A CN113757184A CN 113757184 A CN113757184 A CN 113757184A CN 202110889787 A CN202110889787 A CN 202110889787A CN 113757184 A CN113757184 A CN 113757184A
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- CN
- China
- Prior art keywords
- impeller
- hot air
- centrifugal fan
- pipeline
- heating device
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- 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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Ventilation (AREA)
Abstract
The invention discloses an air flow cleaning device for an impeller of a range hood. The invention comprises a controller, a heating device, a pipeline, a centrifugal fan, a hot air nozzle, a shell and a waste oil collecting box; the centrifugal fan is arranged in the shell, the heating device is fixedly arranged on the shell, the heating device is fixedly connected with one end of the pipeline, the other end of the pipeline extends into the shell and then is fixedly connected with the hot air nozzle, the hot air nozzle is arranged in an inner cavity of the centrifugal fan, and the controller is electrically connected with the centrifugal fan and the heating device respectively. When the cleaning machine is used for cleaning, the high-temperature and high-pressure airflow sprayed out of the hot air nozzle is used for pushing the impeller to rotate, so that oil stains on the impeller are effectively cleaned while the impeller is kept to rotate; simple structure, convenient use and high use value.
Description
Technical Field
The invention relates to a range hood cleaning device in the technical field of range hoods, in particular to a range hood impeller air flow cleaning device.
Background
The range hood is a kitchen device for purifying the kitchen environment, but after the range hood runs for a period of time, an impeller and a volute in a suction and exhaust system of the range hood often adsorb a large amount of oil stains. After a long time, oil stains are accumulated, so that the smoke removal efficiency is influenced, and harmful substances are generated to influence health. With the improvement of the living standard of consumers, the requirements of the range hood are continuously improved, the basic requirements of the range hood on simple smoking and smoke exhausting functions in the past are not met any more, and the requirements of the range hood on the health of human bodies and the cleanness of product bodies are gradually considered as the first consideration factors of the requirements of more consumers and purchasers.
To solve the above problems, many manufacturers have introduced a self-cleaning function, and the current mainstream self-cleaning techniques are classified into three types. The first is steam hot water washing, which dissolves oil stain with steam, washes with hot water, and dries with hot air, and the disadvantage is that the oil is easy to emulsify and can not be completely removed due to high water temperature. And the water consumption is large, and impurities in water are easy to accumulate gradually to block a steam pipeline. The second type is hot melt washing, disposes the heating wire in the turbine, heats the inside universe air of turbine, makes the greasy dirt melt, and the rotatory greasy dirt of discharging at high speed at last, and the shortcoming is inefficiency, and in order to avoid the overheated damage that causes parts such as global air heating in-process to motors, the hot filament generally adopts the PTC material, and the temperature is lower, forms hot-blast highest temperature about 70 ℃, can't dissolve stubborn spot, and does not have the oil extraction step, easily the secondary coagulation in the organism. The third is high pressure water washing, the washing force is limited, the inner material is corroded and eliminated basically.
Disclosure of Invention
The invention provides an air flow cleaning device for an impeller of a range hood, which aims to solve the problems that the existing range hood is difficult to clean or the cleaning effect is not ideal in the background technology.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
the centrifugal fan comprises a volute and an impeller arranged in the volute, the volute is embedded in a machine shell, an air outlet is formed in the upper portion of the volute, the air outlet extends to the upper portion of the machine shell, the impeller is electrically connected with a controller, the impeller mainly comprises a plurality of blades which are circumferentially arranged at equal intervals, a hot air nozzle at the other end of a pipeline is arranged in an inner cavity of the impeller and close to the blades, the length direction of the hot air nozzle is parallel to the axial direction of the blades of the impeller, and hot air jetted from the hot air nozzle uniformly covers the whole blades, so that the blades are uniformly heated. After the hot air heats the centrifugal fan, the controller starts the centrifugal fan to enable the centrifugal fan to rotate, and oil stains on the centrifugal fan are thrown off by utilizing centrifugal force, so that the impeller of the range hood is cleaned.
The centrifugal fan comprises a volute and an impeller arranged in the volute, the volute is embedded in a casing, an air outlet is formed in the upper portion of the volute, the air outlet extends to the upper portion of the casing, the impeller is electrically connected with a controller, the impeller mainly comprises a plurality of blades which are circumferentially arranged at equal intervals, a hot air nozzle at the other end of a pipeline is arranged in an inner cavity of the impeller and close to the blades, the length direction of the hot air nozzle is parallel to the axial direction of the blades of the impeller, and hot air jetted from the hot air nozzle uniformly covers the whole blades, so that the blades are uniformly heated.
The side surface of the hot air nozzle in the length direction is provided with a row of hot air spray holes, and the hot air spray holes are aligned to the centrifugal fan.
And a waste oil collecting port is arranged at the lowest position of the centrifugal fan in the casing, and a waste oil collecting box for collecting waste water is arranged at the waste water collecting port.
Compared with the prior art, the invention has the advantages that:
1. when tap water or steam is used as a heating medium, the condition of pipe blockage is easily caused due to water quality problems, and when pure water is used as the medium, the problems of resource waste and high cleaning cost caused by overlarge water requirement exist. The invention adopts air as the heating medium, thus effectively avoiding the problems.
2. The general heating self-cleaning technology adopts a mode of heating a volute wall by an electric heating wire to heat the whole system, and only oil stains which are not firmly combined can be dissolved and dripped at the temperature of 65-70 ℃ in order to avoid damage to a motor. The heating device is arranged outside the shell, can raise the air temperature to 350 ℃, ensures that stubborn oil stains can be melted, and reduces the adhesion of the stubborn oil stains to the minimum.
3. The side wall of the main pipe of the spray head is provided with the plurality of spray holes, so that oil stains on the blades of the impeller are only locally heated, and the energy utilization rate is high. The arrangement of the relative position between the exit direction of the spray holes and the blades ensures that high-temperature air flow sprayed by the hot air spray head impacts the blades in the rotation process of the impeller, and the blades are completely covered by the air flow range, so that a motor system cannot be damaged.
Drawings
FIG. 1 is a schematic structural view of an air flow cleaning device for an impeller of a range hood;
FIG. 2 is a relative position relationship diagram of a range hood pipeline and a hot air spray nozzle:
FIG. 3 is a cross-sectional view of a hot air spray head of an air flow cleaning device for an impeller of a range hood;
FIG. 4 is a schematic view of a hot air nozzle of the air flow cleaning device of the impeller of the range hood spraying hot air to impact the blades.
In the figure: 1. a controller; 2. an air pump; 3. a resistance wire; 4. a sensor; 5. a pipeline; 6. an air outlet; 7. a hot air nozzle; 8. an impeller; 9. a volute; 10. a housing; 11. and a waste oil collecting box.
Detailed Description
It should be clear to those skilled in the art that the present embodiment is only for better explaining and illustrating the method of using the present invention, and is not intended to limit the present invention.
As shown in fig. 1 and 2, the present invention comprises a controller 1, a heating device, a pipeline 5, a centrifugal fan, a hot air spray head 7, a casing 10 and a waste oil collecting box 11;
the centrifugal fan is arranged inside the casing 10, the heating device is fixedly arranged on the casing 10, the heating device is arranged outside the casing, and the impeller blades are locally heated through the pipeline and the spray head, so that the damage of high temperature to a motor inside the system is avoided. The heating device is fixedly connected with one end of the pipeline 5, the other end of the pipeline 5 extends into the shell 10 and then is fixedly connected with one end of the hot air spray head 7, the other end of the hot air spray head 7 extends into an inner cavity of the centrifugal fan and then is arranged in the inner cavity of the centrifugal fan, and the controller 1 is electrically connected with the centrifugal fan and the heating device respectively; the controller 1 starts the heating device, and the heating device heats air and sprays hot-air to the centrifugal fan through the pipeline 5 and the hot air shower nozzle 7, and after the hot-air heating centrifugal fan, the controller 1 starts the centrifugal fan and makes the centrifugal fan rotate, utilizes centrifugal force to get rid of the greasy dirt on the centrifugal fan, and the greasy dirt can constantly flow into the waste oil collection box 11 because of gravity, realizes the cleanness of lampblack absorber impeller.
The heating device comprises an air pump 2, a resistance wire 3 and a sensor 4; an air pump 2 and a sensor 4 are arranged at one end of the pipeline 5 at intervals, the air pump 2 is coaxially connected with the pipeline 5, and a resistance wire 3 is arranged in the pipeline 5 between the air pump 2 and the sensor 4; the air pump 2 and the sensor 4 are electrically connected with the controller 1, so that the temperature is rapidly increased to about 350 ℃, and the oil stain is accurately heated, so that the energy waste is reduced.
As shown in fig. 3 and 4, the centrifugal fan includes a volute 9 and an impeller 8 disposed in the volute 9, the volute 9 is embedded inside a casing 10, an air outlet 6 is disposed on an upper portion of the volute 9, the air outlet 6 extends to an upper portion of the casing 10, the impeller 8 is electrically connected to a controller 1, the controller 1 controls rotation of the impeller 8, the impeller 8 mainly includes a plurality of blades circumferentially arranged at equal intervals, a hot air nozzle 7 at the other end of a pipeline 5 is disposed in an inner cavity of the impeller 8 and is arranged close to the blades, a length direction of the hot air nozzle 7 is parallel to an axial direction of the blades of the impeller 8, a row of hot air spray holes are disposed on a side of the hot air nozzle 7 in the length direction, the same blade can be simultaneously heated in a concentrated manner in the length direction at a certain time, and heating efficiency is ensured. The hot air spray holes are aligned with the blades of the centrifugal fan. The hot air sprayed from the hot air spray holes in the hot air spray head 7 uniformly covers the whole blade, so that no dead angle exists when the high-temperature air flow impacts the blade, the heating efficiency is improved, the oil stain melting is accelerated, and the uniform heating of the blade is realized.
A waste oil collecting port is arranged at the lowest position of the volute wall of the centrifugal fan in the machine shell 10, and a waste oil collecting box 11 for collecting waste water is arranged at the waste water collecting port.
The working process of the invention is as follows:
the controller 1 starts the heating device, an air pump of the heating device generates air flow, the resistance wire heats the air, the temperature of the air is rapidly raised to about 350 ℃, the hot air is sprayed to the centrifugal fan through the pipeline 5 and the hot air nozzle 7, the sensor monitors the temperature and the air pressure of the high-temperature air flow in the pipeline in real time, the temperature and the air pressure are adjusted through the controller, the heating efficiency is guaranteed, and the controller is matched with the impeller in a rotating mode.
After the hot air heats the blades of the impeller for a period of time, the controller controls the impeller to rotate positively for a certain time, oil stains on the blades are thrown off by utilizing centrifugal force, hydrophobic and oleophobic coatings are arranged on the impeller and the inner wall of the volute, and the thrown-off oil stains are prevented from being detained and solidified on the inner wall of the volute. The oil stain can flow into the waste oil collecting box 11 along the volute wall continuously because of gravity, so that the oil stain is prevented from being solidified again after being cooled, secondary pollution is avoided, and oil stain cleaning of the impeller of the range hood is realized.
Claims (5)
1. The utility model provides a lampblack absorber impeller air current cleaning device which characterized in that: comprises a controller (1), a heating device, a pipeline (5), a centrifugal fan, a hot air nozzle (7), a casing (10) and a waste oil collecting box (11);
the centrifugal fan is arranged in the machine shell (10), the heating device is fixedly arranged on the machine shell (10), the heating device is fixedly connected with one end of the pipeline (5), the other end of the pipeline (5) extends into the machine shell (10) and then is fixedly connected with the hot air nozzle (7), the hot air nozzle (7) is arranged in an inner cavity of the centrifugal fan, and the controller (1) is respectively electrically connected with the centrifugal fan and the heating device; the controller (1) starts the heating device, the heating device heats air and sprays hot air to the centrifugal fan through the pipeline (5) and the hot air spray head (7), after the hot air heats the centrifugal fan, the controller (1) starts the centrifugal fan to enable the centrifugal fan to rotate, and oil stains on the centrifugal fan are thrown off by utilizing centrifugal force, so that the impeller of the range hood is cleaned.
2. A range hood impeller air flow cleaning apparatus as claimed in claim 1, wherein: the heating device comprises an air pump (2), a resistance wire (3) and a sensor (4); an air pump (2) and a sensor (4) are installed at one end of the pipeline (5) at intervals, the air pump (2) is coaxially connected with the pipeline (5), and a resistance wire (3) is installed in the pipeline (5) between the air pump (2) and the sensor (4); the air pump (2) and the sensor (4) are electrically connected with the controller (1).
3. A range hood impeller air flow cleaning apparatus as claimed in claim 1, wherein: the centrifugal fan comprises a volute (9) and an impeller (8) arranged in the volute (9), the volute (9) is embedded inside a casing (10), an air outlet (6) is formed in the upper portion of the volute (9), the air outlet (6) extends to the upper portion of the casing (10), the impeller (8) is electrically connected with a controller (1), the impeller (8) mainly comprises a plurality of blades which are circumferentially arranged at equal intervals, a hot air nozzle (7) at the other end of a pipeline (5) is arranged in an inner cavity of the impeller (8) and close to the blades, the length direction of the hot air nozzle (7) is parallel to the axial direction of the blades of the impeller (8), hot air jetted from the hot air nozzle (7) uniformly covers the whole blades, and uniform heating of the blades is achieved.
4. A range hood impeller air flow cleaning apparatus as claimed in claim 1, wherein: the side surface of the hot air nozzle (7) in the length direction is provided with a row of hot air spray holes, and the hot air spray holes are aligned to the centrifugal fan.
5. A range hood impeller air flow cleaning apparatus as claimed in claim 1, wherein: the waste oil collecting device is characterized in that a waste oil collecting port is arranged at the lowest position of the centrifugal fan in the machine shell (10), and a waste oil collecting box (11) for collecting waste water is arranged at the waste oil collecting port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110889787.1A CN113757184A (en) | 2021-08-04 | 2021-08-04 | Lampblack absorber impeller air current cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110889787.1A CN113757184A (en) | 2021-08-04 | 2021-08-04 | Lampblack absorber impeller air current cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113757184A true CN113757184A (en) | 2021-12-07 |
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ID=78788496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110889787.1A Pending CN113757184A (en) | 2021-08-04 | 2021-08-04 | Lampblack absorber impeller air current cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113757184A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204006227U (en) * | 2014-08-04 | 2014-12-10 | 芜湖美的厨房电器制造有限公司 | Range hood |
| CN204141669U (en) * | 2014-10-24 | 2015-02-04 | 浙江金美太电器有限公司 | A kind of smoke exhaust ventilator automatic flushing device |
| CN104421986A (en) * | 2013-08-26 | 2015-03-18 | 广东美的厨房电器制造有限公司 | Range hood |
| CN105080888A (en) * | 2015-09-09 | 2015-11-25 | 欧派家居集团股份有限公司 | Cleaning system of range hood |
| CN107676309A (en) * | 2016-08-01 | 2018-02-09 | 博西华电器（江苏）有限公司 | Smoke exhaust ventilator and its blower fan system |
| CN108006742A (en) * | 2017-06-08 | 2018-05-08 | 宁波方太厨具有限公司 | A kind of anti-long-pending oil volute casing device and application have the range hood of the device |
| CN108954450A (en) * | 2018-05-21 | 2018-12-07 | 广东美的厨房电器制造有限公司 | Cleaning systems and its control method and smoke machine for smoke machine |
| CN109140554A (en) * | 2018-09-10 | 2019-01-04 | 华帝股份有限公司 | Ultrasonic self-cleaning range hood and control method thereof |
| CN211144931U (en) * | 2019-12-10 | 2020-07-31 | 杭州祺江暖通设备有限公司 | But centrifugal fan of automatically cleaning |
| CN212930126U (en) * | 2020-05-29 | 2021-04-09 | 九阳股份有限公司 | Hot air washing range hood |
-
2021
- 2021-08-04 CN CN202110889787.1A patent/CN113757184A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421986A (en) * | 2013-08-26 | 2015-03-18 | 广东美的厨房电器制造有限公司 | Range hood |
| CN204006227U (en) * | 2014-08-04 | 2014-12-10 | 芜湖美的厨房电器制造有限公司 | Range hood |
| CN204141669U (en) * | 2014-10-24 | 2015-02-04 | 浙江金美太电器有限公司 | A kind of smoke exhaust ventilator automatic flushing device |
| CN105080888A (en) * | 2015-09-09 | 2015-11-25 | 欧派家居集团股份有限公司 | Cleaning system of range hood |
| CN107676309A (en) * | 2016-08-01 | 2018-02-09 | 博西华电器（江苏）有限公司 | Smoke exhaust ventilator and its blower fan system |
| CN108006742A (en) * | 2017-06-08 | 2018-05-08 | 宁波方太厨具有限公司 | A kind of anti-long-pending oil volute casing device and application have the range hood of the device |
| CN108954450A (en) * | 2018-05-21 | 2018-12-07 | 广东美的厨房电器制造有限公司 | Cleaning systems and its control method and smoke machine for smoke machine |
| CN109140554A (en) * | 2018-09-10 | 2019-01-04 | 华帝股份有限公司 | Ultrasonic self-cleaning range hood and control method thereof |
| CN211144931U (en) * | 2019-12-10 | 2020-07-31 | 杭州祺江暖通设备有限公司 | But centrifugal fan of automatically cleaning |
| CN212930126U (en) * | 2020-05-29 | 2021-04-09 | 九阳股份有限公司 | Hot air washing range hood |
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Application publication date: 20211207 |