CN111197783A - Filtering component and range hood provided with same - Google Patents

Filtering component and range hood provided with same Download PDF

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Publication number
CN111197783A
CN111197783A CN202010135478.0A CN202010135478A CN111197783A CN 111197783 A CN111197783 A CN 111197783A CN 202010135478 A CN202010135478 A CN 202010135478A CN 111197783 A CN111197783 A CN 111197783A
Authority
CN
China
Prior art keywords
layer
adsorption layer
filter assembly
oil
guide rail
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
Application number
CN202010135478.0A
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Chinese (zh)
Inventor
陈雨晴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Fotile Kitchen Ware Co Ltd
Original Assignee
Ningbo Fotile Kitchen Ware Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo Fotile Kitchen Ware Co Ltd filed Critical Ningbo Fotile Kitchen Ware Co Ltd
Priority to CN202010135478.0A priority Critical patent/CN111197783A/en
Publication of CN111197783A publication Critical patent/CN111197783A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • F24C15/2035Arrangement or mounting of filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)

Abstract

The invention discloses a filter assembly and a range hood provided with the same. The filter component comprises a filter screen, an adsorption layer, an oil scraper and a guide rail, wherein the adsorption layer is arranged above the filter screen, the oil scraper is arranged on the short side of the adsorption layer, the guide rail is arranged on the long side of the adsorption layer, the oil scraper is connected with the guide rail and can be guided by the guide rail, the guide rail can transversely move and extrude the oil stain in the adsorption layer. The range hood comprises a shell, a panel and a fan, wherein the panel is obliquely arranged on the front side of the shell, the fan is arranged in the shell, an air inlet is formed in the panel, the air inlet is detachably provided with the filter assembly, and the filter assembly covers the air inlet. The invention has simple and reasonable structure, high oil fume removing efficiency and long service life of the adsorption layer.

Description

Filtering component and range hood provided with same
Technical Field
The invention relates to a filter assembly and a range hood provided with the same.
Background
The existing oil smoke suction machine mainly introduces oil smoke gas into a flue through a fan to be intensively and uniformly treated. After long-term use, oil smoke is easily adsorbed on an oil filter screen and a fan of an air inlet of the range hood, and the oil stains not only affect the oil smoke removing effect of the range hood, but also are difficult to strip and remove from the range hood, so that great invariance is brought to users.
In order to solve the problems, some range hoods are provided with an adsorption layer with a porous structure at the oil filter screen of the air inlet, and the adsorption layer can be matched with the original metal oil filter screen of the range hood to achieve a good filtering effect. Then, after the adsorption layer is used for a period of time, when the amount of the oil smoke adsorbed by the adsorption layer reaches saturation, corresponding effects cannot be generated, and even the normal smoke discharge is adversely affected. To this, chinese patent application with publication number CN107101245A discloses a domestic lampblack absorber of absorption oil smoke, its mode through squeezing the greasy dirt out the oil absorption cavernosum improves the life of oil absorption sponge, improve the efficiency of getting rid of greasy dirt in the oil smoke gas, particularly, its filter screen top fixedly connected with oil absorption sponge, oil absorption sponge top is provided with the sliding plate, the sliding plate surface is provided with the oil absorption roller, control the oil absorption roller through electric lift device cooperation spliced pole and connecting rod and remove to both sides, adsorb the greasy dirt on sliding plate surface, and the sliding plate is because the oil absorption roller effect extrudes the sliding plate surface with the greasy dirt in the oil absorption sponge, be convenient for clear up the greasy dirt in the oil absorption sponge.
Above-mentioned current range hood structure extrudes the oil smoke in the adsorbed layer through the extrusion mode, though improved the life of oil absorption sponge to a certain extent, this structure itself is more complicated, and it is difficult to clean behind the greasy dirt absorption of its surface easily, influences the use.
Disclosure of Invention
The invention aims to overcome the defects of low service life of an adsorption layer and complex oil smoke removing structure of a range hood in the prior art, and provides a filter assembly and a range hood provided with the filter assembly, wherein the filter assembly is simple and reasonable in structure, high in oil smoke removing efficiency and long in service life of the adsorption layer.
The invention solves the technical problems through the following technical scheme:
the invention provides a filter assembly, which comprises a filter screen, an adsorption layer, an oil scraper and a guide rail, wherein the adsorption layer is arranged above the filter screen, the oil scraper is arranged on the short side of the adsorption layer, the guide rail is arranged on the long side of the adsorption layer, and the oil scraper is connected with the guide rail and can transversely move along the guide rail and extrude oil stains in the adsorption layer to the thickness direction of the adsorption layer.
Preferably, the filter assembly further comprises a sliding block and a driving member, the sliding block is arranged on the guide rail and connected with the oil scraper, and the driving member is connected with the sliding block and used for driving the sliding block to drive the oil scraper to move transversely along the guide rail. The drive member is preferably an electric motor.
Preferably, the suction layer is connected with a pressure sensor, when the measured value of the pressure sensor exceeds a preset value, it indicates that the oil stain absorbed in the suction layer reaches a limit value, the pressure sensor sends an electric signal to the driving member, the driving member drives the sliding block, and the sliding block drives the oil scraper to move transversely along the guide rail.
Preferably, the guide rail is horizontally arranged.
The adsorption layer is used for adsorbing exhaust gas oil smoke, and preferably, the adsorption layer is made of sponge.
Preferably, the adsorption layer is provided with a first adsorption layer, a second adsorption layer, a third adsorption layer and a fourth adsorption layer from bottom to top in sequence; preferably, the first adsorption layer is an activated carbon adsorption sponge layer and is used for preliminarily purifying the oil smoke; the second adsorption layer is a nonionic surfactant sponge layer and is used for dispersing and emulsifying the oil smoke; the third adsorption layer is an anionic surfactant sponge layer and is used for washing, foaming, wetting, emulsifying and dispersing the oil smoke; the fourth adsorption layer is a biological enzyme preparation sponge layer and is used for effectively removing oil smoke at low temperature, and the decontamination capability of the fourth adsorption layer can be more obvious along with the increase of the use times.
In the second adsorption layer, a nonionic surfactant is filled in the sponge layer, and preferably, the nonionic surfactant is a polyoxyethylene type nonionic surfactant, such as one or more of long-chain fatty alcohol polyoxyethylene ether, alkylphenol polyoxyethylene ether, fatty acid polyoxyethylene ester, polyoxyethylene alkylamine, polyoxyethylene alkylolamide, and the like.
In the third adsorption layer, an anionic surfactant is filled in the sponge layer, preferably, the anionic surfactant is sodium alkyl benzene sulfonate, such as sodium dodecyl benzene sulfonate, and the like, the detergency is strong, the foaming power and the foam stability and chemical stability are good, in addition, the raw material source is sufficient, and the production cost is low.
In the fourth adsorption layer, a biological enzyme preparation is filled in the sponge layer, and preferably, the biological enzyme preparation is one or more of lipase, protease and the like.
Preferably, the adsorption layer is provided with a plurality of through holes, and further, the through holes are provided with chamfers, so that the oil smoke can conveniently pass through the adsorption layer and reach the next layer for filtering.
Preferably, the through holes of the first adsorption layer to the fourth adsorption layer are distributed in a staggered manner, so that the influence on the air flow speed can be reduced.
The invention provides a range hood provided with the filter assembly, which comprises a shell, a panel obliquely arranged on the front side of the shell and a fan arranged in the shell, wherein an air inlet is formed in the panel, the filter assembly is detachably arranged at the air inlet, and the filter assembly covers the air inlet.
Preferably, the bottom of the adsorption layer is further provided with a flow guide groove, one end of the flow guide groove is further connected with an oil cup, and after the oil scraper extrudes the oil stain in the adsorption layer, the oil stain flows into the oil cup along the flow guide groove.
Preferably, the oil cup is a rectangular oil cup and is arranged on the side surface of the shell.
In order to facilitate the flowing of the oil stain, preferably, the diversion trench is obliquely arranged.
Preferably, the range hood is further provided with an indicator light, the indicator light is connected with the oil cup, and when oil stains accumulated in the oil cup reach a preset value, the indicator light is turned on to prompt a user to topple.
For conveniently taking out the adsorption layer, preferably, the filter assembly further comprises an adsorption layer fixing seat, and the adsorption layer fixing seat is detachably mounted on the shell.
The positive progress effects of the invention are as follows:
(1) the filter assembly has a simple and reasonable structure, reduces the emission pollution of oil smoke in air by utilizing the adsorption layer, and can further prolong the service life of the adsorption layer by matching with the oil scraper.
(2) The invention can reduce the pollution and damage of oil smoke stains to the internal structure of the range hood, is convenient for a user to use, and does not need complex operation of disassembling and washing the range hood.
Drawings
FIG. 1 is a schematic view of a portion of a filter assembly according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a filter assembly according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an adsorption layer in an embodiment of the present invention;
FIG. 4 is a schematic structural view of a first adsorption layer in an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a range hood in an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a range hood according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a hidden filter assembly of the range hood according to the embodiment of the present invention;
FIG. 8 is a schematic structural diagram of an embodiment of a mounting seat for an adsorption layer;
FIG. 9 is a schematic view of the assembly of the adsorbent layer in an embodiment of the present invention.
Filter screen 10
Adsorption layer 20
First adsorption layer 201
Second adsorption layer 202
Third adsorption layer 203
Fourth adsorption layer 204
Through-hole 205
Oil scraper 30
Guide rail 40
Slider 50
Guiding gutter 60
Oil cup 70
Indicator lamp 80
Adsorption layer fixing seat 90
Case 100
Panel 200
Fan 300
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1 to 9, the filter assembly of this embodiment includes a filter screen 10, an adsorption layer 20, an oil scraper 30 and a guide rail 40, wherein the adsorption layer 20 is disposed above the filter screen 10, the oil scraper 30 is disposed on the short side of the adsorption layer 20, the oil scraper 30 clamps the adsorption layer 20, and the guide rail 40 is disposed on the long side of the adsorption layer 20. In this embodiment, the guide rail 40 is horizontally disposed.
The filter assembly of this embodiment further includes a slider 50 and a driving member (not shown in the figure), the slider 50 is disposed on the guide rail 40 and connected to the oil scraper 30, the driving member is connected to the slider 50, the driving member is used for driving the slider 50 to drive the oil scraper 30 to move back and forth along the guide rail 40, and the oil scraper 30 extrudes the oil stains in the adsorption layer 20 toward the thickness direction of the adsorption layer 20. In this embodiment, the driving member is a motor.
In this embodiment, the absorption layer 20 is connected to a pressure sensor (not shown in the figure), when a measured value of the pressure sensor exceeds a preset value, which indicates that the oil stain absorbed in the absorption layer 20 has reached a limit value, the pressure sensor sends an electrical signal to the driving member, the driving member drives the sliding block 50, and the sliding block 50 drives the scraper 30 to move transversely along the guide rail 40.
In this embodiment, the adsorption layer 20 is used for adsorbing exhaust gas oil smoke, and is made of sponge, specifically, the adsorption layer 20 is sequentially provided with a first adsorption layer 201, a second adsorption layer 202, a third adsorption layer 203, and a fourth adsorption layer 204 from bottom to top, upper and lower sides of the first adsorption layer 201 to the fourth adsorption layer 204 are fixed, and the right side is clamped by the oil scraper 30.
In this embodiment, the first adsorption layer 201 is an activated carbon adsorption sponge layer, and is used for preliminarily purifying the oil smoke, and can be replaced periodically; the second adsorption layer 202 is a nonionic surfactant sponge layer, the sponge layer is filled with nonionic surfactants for dispersing and emulsifying oil smoke, the used nonionic surfactants are composite surfactants, and the main component is polyoxyethylene type nonionic surfactants; the third adsorption layer 203 is a sponge layer of anionic surfactant, the sponge layer is filled with the anionic surfactant, the used nonionic surfactant is a composite active agent, and the main component is sodium alkyl benzene sulfonate which is used for washing, foaming, wetting and emulsifying and dispersing the oil smoke; the fourth adsorption layer 204 is a biological enzyme preparation sponge layer, the biological enzyme preparation is filled in the sponge layer, and the composite biological enzyme is utilized to decompose stubborn grease, so that the oil smoke can be effectively removed at low temperature, and the decontamination capability of the adsorption layer can be more obvious along with the increase of the use times.
All be equipped with through-hole 205 on first adsorbed layer 201 ~ fourth adsorbed layer 204, through-hole 205 is equipped with the chamfer, is convenient for the oil smoke to pass through the adsorbed layer reaches next layer and filters.
In order not to affect the wind speed, the through holes 205 of the first adsorption layer 201 to the fourth adsorption layer 204 are distributed in a staggered manner, so that the influence on the wind speed can be reduced.
The range hood with the filter assembly installed in the embodiment includes a housing 100, a panel 200 obliquely arranged on the front side of the housing 100, and a fan 300 arranged in the housing 100, wherein an air inlet is formed in the panel 200, the filter assembly is detachably installed at the air inlet, the filter assembly covers the air inlet, and the filter screen 10 covers the air inlet.
In this embodiment, the bottom of the adsorption layer 20 is further provided with a diversion trench 60, so as to facilitate the flow of the oil stain, the diversion trench 60 has a certain inclination angle, one end of the diversion trench 60 is further connected with an oil cup 70, and after the oil scraper 30 extrudes the oil stain in the adsorption layer 20, the oil stain flows into the oil cup 70 along the diversion trench 60. Wherein, the oil cup 70 is a rectangular oil cup, and a taking and placing door of the rectangular oil cup is arranged on the side surface of the casing 100.
In this embodiment, the range hood is further provided with an indicator lamp 80, the indicator lamp 80 is electrically connected with the oil cup 70, and when the oil stain accumulated in the oil cup 70 reaches a preset value, the indicator lamp 80 is turned on to prompt a user to dump.
In this embodiment, the absorbent layer 20 can be taken out for replacement and added with a cleaning active agent, specifically, the filter assembly further includes an absorbent layer fixing base 90, the first to fourth absorbent layers 201 to 204 are sequentially fixed on the absorbent layer fixing base 90, and the absorbent layer fixing base 90 is detachably mounted on the housing 100. When the first to fourth adsorption layers 201 to 204 need to be replaced or cleaning active agents need to be added, the oil cup 70 can be taken out first, and then the adsorption layer fixing seat 90 can be taken out.
In this embodiment, the sponge of the absorbent layer 20 is filled with the cleaning active agent, and the oil scraper 30 longitudinally extrudes the sponge by utilizing the characteristic of fluffy and extrudable sponge, and transversely moves along the guide rail 40 from right to left. Extruded is the oil smoke spot that the sponge adsorption was handled, and the spot flows to rectangular shape oil cup along guiding gutter 60, and green signal lamp suggestion user can empty when oil cup 70 is full. Therefore, the pollution and damage of oil smoke stains to the internal structure of the range hood can be reduced, a user only needs to pour the oil cup regularly, and complex operation of disassembling and washing the range hood is not needed.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims (10)

1. The utility model provides a filter assembly, its characterized in that, includes filter screen, adsorbed layer, oil scraper and guide rail, the adsorbed layer is located the filter screen top, oil scraper locates the short avris of adsorbed layer, the guide rail is located the long avris of adsorbed layer, oil scraper with the guide rail links to each other and to follow guide rail lateral shifting will the thickness direction extrusion of adsorbed layer will greasy dirt in the adsorbed layer is extruded.
2. The filter assembly of claim 1, further comprising a slider disposed on the rail and coupled to the scraper, and a driving member coupled to the slider and configured to drive the slider to move the scraper laterally along the rail.
3. The filter assembly of claim 2, wherein the suction layer is connected with a pressure sensor, and when the measured value of the pressure sensor exceeds a preset value, the pressure sensor sends an electric signal to the driving member, and the driving member drives the sliding block to drive the oil scraper to move transversely along the guide rail.
4. The filter assembly according to claim 1, wherein the adsorption layer is provided with a first adsorption layer, a second adsorption layer, a third adsorption layer and a fourth adsorption layer from bottom to top in sequence; the first adsorption layer is an activated carbon adsorption sponge layer, the second adsorption layer is a nonionic surfactant sponge layer, the third adsorption layer is an anionic surfactant sponge layer, and the fourth adsorption layer is a biological enzyme preparation sponge layer.
5. The filter assembly of claim 4, wherein the non-ionic surfactant is a polyoxyethylene type non-ionic surfactant; the anionic surfactant is sodium alkyl benzene sulfonate.
6. The filter assembly according to claim 4, wherein the absorption layer is provided with a plurality of through holes, the through holes are provided with chamfers, and the through holes of the first absorption layer to the fourth absorption layer are distributed in a staggered manner.
7. A range hood provided with the filter assembly of any one of claims 1 to 6, comprising a housing, a panel obliquely arranged on the front side of the housing, and a fan arranged in the housing, wherein the panel is provided with an air inlet, the filter assembly is detachably arranged at the air inlet, and the air inlet is covered by the filter assembly.
8. The range hood of claim 7, wherein the bottom of the adsorption layer is further provided with a diversion trench, and one end of the diversion trench is further connected with an oil cup.
9. The range hood of claim 8, wherein the oil cup is a rectangular oil cup and is disposed on a side surface of the housing, and the guiding gutter is disposed obliquely;
the range hood is also provided with an indicator light, and the indicator light is connected with the oil cup.
10. The range hood of claim 7, wherein the filter assembly further comprises an adsorbent layer mount removably mounted to the housing.
CN202010135478.0A 2020-03-02 2020-03-02 Filtering component and range hood provided with same Pending CN111197783A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010135478.0A CN111197783A (en) 2020-03-02 2020-03-02 Filtering component and range hood provided with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010135478.0A CN111197783A (en) 2020-03-02 2020-03-02 Filtering component and range hood provided with same

Publications (1)

Publication Number Publication Date
CN111197783A true CN111197783A (en) 2020-05-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010135478.0A Pending CN111197783A (en) 2020-03-02 2020-03-02 Filtering component and range hood provided with same

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CN (1) CN111197783A (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161718A (en) * 1984-07-02 1986-01-22 Udo Gruen Cooker hood
CN103411248A (en) * 2013-08-12 2013-11-27 昆明金展信厨房设备有限公司 Oil fume purifying machine
CN205672783U (en) * 2016-05-03 2016-11-09 广州市振达工程设备有限公司 A kind of cooking fume remover
CN106474844A (en) * 2016-12-05 2017-03-08 游伟志 Percussion flow profit dissolution technology
CN107101245A (en) * 2017-07-07 2017-08-29 佛山领新信息科技有限公司 A kind of household lampblack absorber for adsorbing oil smoke
CN107166473A (en) * 2017-07-25 2017-09-15 佛山市正略信息科技有限公司 A kind of energy-saving range hood
CN107676832A (en) * 2017-09-26 2018-02-09 成都悦伦商贸有限公司 A kind of replaceable cleaning device of lampblack absorber
CN207515005U (en) * 2017-09-30 2018-06-19 宁波方太厨具有限公司 A kind of range hood for being conveniently replaceable adsorption layer
CN207907322U (en) * 2018-02-28 2018-09-25 巫建烽 One kind being convenient for clean kitchen ventilator of alarming
CN207936182U (en) * 2018-02-07 2018-10-02 苏州市佳和无纺制品有限公司 A kind of oil absorption plate being convenient to clean installation
CN110454836A (en) * 2019-08-28 2019-11-15 河南博联慧绿环保科技有限公司 A kind of kitchen lampblack five-part form comprehensive treatment system

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161718A (en) * 1984-07-02 1986-01-22 Udo Gruen Cooker hood
CN103411248A (en) * 2013-08-12 2013-11-27 昆明金展信厨房设备有限公司 Oil fume purifying machine
CN205672783U (en) * 2016-05-03 2016-11-09 广州市振达工程设备有限公司 A kind of cooking fume remover
CN106474844A (en) * 2016-12-05 2017-03-08 游伟志 Percussion flow profit dissolution technology
CN107101245A (en) * 2017-07-07 2017-08-29 佛山领新信息科技有限公司 A kind of household lampblack absorber for adsorbing oil smoke
CN107166473A (en) * 2017-07-25 2017-09-15 佛山市正略信息科技有限公司 A kind of energy-saving range hood
CN107676832A (en) * 2017-09-26 2018-02-09 成都悦伦商贸有限公司 A kind of replaceable cleaning device of lampblack absorber
CN207515005U (en) * 2017-09-30 2018-06-19 宁波方太厨具有限公司 A kind of range hood for being conveniently replaceable adsorption layer
CN207936182U (en) * 2018-02-07 2018-10-02 苏州市佳和无纺制品有限公司 A kind of oil absorption plate being convenient to clean installation
CN207907322U (en) * 2018-02-28 2018-09-25 巫建烽 One kind being convenient for clean kitchen ventilator of alarming
CN110454836A (en) * 2019-08-28 2019-11-15 河南博联慧绿环保科技有限公司 A kind of kitchen lampblack five-part form comprehensive treatment system

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Application publication date: 20200526

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