CN108072076B - Fume exhauster - Google Patents
Fume exhauster Download PDFInfo
- Publication number
- CN108072076B CN108072076B CN201710639217.0A CN201710639217A CN108072076B CN 108072076 B CN108072076 B CN 108072076B CN 201710639217 A CN201710639217 A CN 201710639217A CN 108072076 B CN108072076 B CN 108072076B
- Authority
- CN
- China
- Prior art keywords
- dust collecting
- plate
- purifying device
- fume
- polar
- 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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- 239000003517 fume Substances 0.000 title claims abstract description 95
- 239000000428 dust Substances 0.000 claims abstract description 75
- 239000000779 smoke Substances 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 14
- 230000003068 static effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 230000005684 electric field Effects 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005686 electrostatic field Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 208000021063 Respiratory fume inhalation disease Diseases 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrostatic Separation (AREA)
- Ventilation (AREA)
Abstract
The invention relates to a range hood, which comprises a fume collecting hood, a fan and an electrostatic fume purifying device, wherein the fan is arranged in the fume collecting hood, the front side of an air inlet of the fan is provided with a mounting cavity for accommodating the electrostatic fume purifying device, and the air inlet of the electrostatic fume purifying device corresponds to the air inlet of the fume collecting hood; the electrostatic oil fume purifying device comprises at least two parallel dust collecting plates which are arranged at intervals, and an adjusting structure which can adjust the distance between the two adjacent dust collecting plates is arranged on the electrostatic oil fume purifying device. According to the invention, the air outlet of the fan is downward, a larger space is provided at the air inlet side of the fume collecting hood for installing the electrostatic fume purifying device, fume is removed from the source, the fume is prevented from adhering in the fan, and the fume cleaning effect is improved; the electrostatic oil fume purifying device is provided with the adjusting structure capable of adjusting the distance between the dust collecting plates, and can realize the precise adjustment of the electric field intensity of the electrostatic dust collecting device according to the requirement, thereby improving the oil fume purifying effect.
Description
Technical Field
The invention relates to a range hood, in particular to a range hood which can play a good role in removing oil smoke by utilizing an electrostatic oil smoke removing structure.
Background
In order to reduce the pollution of the oil smoke to indoor and outdoor environments and reduce the rejection of the public, especially the public around the area, to catering enterprises, an oil smoke purifying device is needed, and the oil smoke purifying device commonly used in the prior art comprises: mechanical oil smoke purification device, water smoke spray formula oil smoke purification device and electrostatic type oil smoke purification device.
Wherein, electrostatic oil smoke purifier's theory of operation is: the gas passing through the space between the electrodes is ionized by utilizing a high-voltage electrostatic field, so that the gas is adsorbed on the electrodes, and the purpose of purifying the oil fume is achieved. The common electrostatic device is divided into a modularized design of an ionization area and a dust collecting area and an integral design of the ionization area and the dust collecting area. An ozone-free washable electrostatic precipitator disclosed in chinese patent application No. 200810030063.6, comprising an ionization region above a dust collection region, the ionization region being connected to a high voltage ac power supply, the dust collection region being connected to a high voltage dc power supply, adjacent ionization electrode sheets being of different polarities, adjacent dust collection electrode sheets being of different polarities; the electrode field plate oil smoke separating device for the range hood comprises an electrostatic field purifying device, a shell and at least two high-voltage negative plates longitudinally arranged in the shell, wherein the shell is a high-voltage positive plate, an ionization region is formed between two adjacent high-voltage negative plates, a trapping region is formed between the high-voltage negative plates and the high-voltage positive plates, the purifying device is positioned at the outer side of a cabinet air outlet of the range hood, and an exhaust device is arranged at the inner side of the cabinet air outlet.
According to the conventional electrostatic oil fume purifying device, when the oil fume flow of the range hood is changed, the electric field strength can be changed only by changing the voltage of the dust collecting electrode so as to adapt to the change of the flow, so that the electrostatic oil fume removing efficiency is improved, and a high-cost power circuit board is required for changing the voltage of the dust collecting electrode, so that the use cost is high; and the general power supply can only realize step-type voltage regulation, so that energy waste can be caused to a certain extent, and the purification effect is influenced. In addition, if the electrostatic oil fume purifying device is adopted in the existing range hood, the electrostatic oil fume purifying device is generally arranged on an air outlet of the range hood, but the electrostatic oil fume purifying device is arranged on the air outlet and cannot remove oil fume adhered on a fan; because the existing fume collecting hood of the fume extractor has smaller inner space, the electrostatic fume purifying device is difficult to install, so that the fume removing effect of the electrostatic fume purifying device is limited, and the effective function cannot be exerted.
Disclosure of Invention
The invention aims to solve the technical problem of providing a range hood capable of improving the purifying effect by changing the field intensity by changing the pole plate distance of an electrostatic oil fume purifying device.
The invention aims to solve the technical problem of providing the range hood capable of removing oil smoke from the source so as to maintain the purifying effect of the range hood.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a range hood, includes collection petticoat pipe, fan and static oil smoke purifier, in the collection petticoat pipe was located to the fan, its characterized in that: the air inlet of the fan is downward, a mounting cavity for accommodating the electrostatic oil fume purifying device is formed between the air inlet and the air inlet of the fume collecting hood, and the air inlet of the electrostatic oil fume purifying device corresponds to the air inlet of the fume collecting hood; the electrostatic oil fume purifying device comprises at least two dust collecting plates which are arranged side by side at intervals, and an adjusting structure capable of adjusting the distance between two adjacent dust collecting plates is arranged on the electrostatic oil fume purifying device.
The dust collecting plate is arranged on the electrostatic oil fume purifying device through the adjusting structure.
In the above scheme, static oil smoke purifier still include polar plate, polar silk and mounting bracket, polar plate vertical arrangement and take shape into closed frame, polar silk be two at least and interval arrangement in the frame, adjacent two be provided with between the dust collecting plate one with the dust collecting plate looks parallel the polar plate, just dust collecting plate and polar plate all are located the mounting bracket.
As an improvement, the adjusting structure comprises a cam shaft and a driving piece, wherein the cam shaft can be rotationally arranged on the mounting frame and is perpendicular to the dust collecting plate and the polar plate, the driving piece is connected with the cam shaft and is used for driving the cam shaft to rotate, guide posts extending towards the direction of the cam shaft are respectively arranged at the same ends of the dust collecting plate and the polar plate, the guide slots which are respectively matched with the corresponding guide posts in a guiding manner to realize the interval adjustment between the adjacent dust collecting plates and the polar plate are correspondingly formed in the surface of the cam shaft. By adopting the structure, the adjustment of the distance between two adjacent dust collecting plates is convenient to realize.
Preferably, the guide posts are positioned on the same straight line, the straight line is parallel to the axial line of the cam shaft, and the distances between the adjacent guide grooves positioned on the same straight line are equal. By adopting the structure, the distances between the adjacent dust collecting plates and the dust collecting plates as well as the distances between the adjacent dust collecting plates and the polar plates are always equal, so that the overall electrostatic fume removing effect is kept at a higher level.
In order to enable the dust collecting plate and the polar plate to move stably when the distance is adjusted, at least one side of the mounting frame is provided with a sliding rod which is arranged along the axial direction of the cam shaft, and the side parts of the dust collecting plate and the polar plate are respectively provided with a sliding block which can be connected with the dust collecting plate and the polar plate on the sliding rod in a sliding way.
In order to facilitate assembly, the adjusting structure further comprises a U-shaped installation frame, the inner side wall of the installation frame is provided with a slot for sliding insertion of the dust collecting plate or the polar plate, and the sliding block is arranged on the outer side of the installation frame. The cam shaft is arranged at the lower ends of the dust collecting plate and the polar plate, and the guide post is correspondingly arranged at the edge of the lower end of the dust collecting plate or the polar plate.
Preferably, the mounting frame is provided with a telescopic structure capable of changing the size of the air inlet of the fume collecting hood along with the adjustment of the distance between the dust collecting plates. The structure can adjust the air pressure in the air inlet of the fume collecting hood along with the change of the fume removing intensity of the electrostatic fume purifying device, and the fume adsorption removing effect is enhanced.
Preferably, a first expansion plate is connected between the bottom edge of the dust collecting plate on one side of the electrostatic oil fume purifying device and the mounting frame, a second expansion plate which is arranged opposite to the first expansion plate is connected between the bottom edge of the dust collecting plate on the other side of the electrostatic oil fume purifying device and the mounting frame, and the second expansion plate and the first expansion plate jointly form the expansion structure.
For the installation of being convenient for, be provided with the installation bounding wall that is close to the air intake arrangement of collection petticoat pipe in the collection petticoat pipe, the mounting bracket locking is connected on this installation bounding wall.
Compared with the prior art, the invention has the advantages that: the invention selects the downward arrangement of the air inlet of the fan, thereby providing a larger space on the air inlet side of the fume collecting hood for installing the electrostatic fume purifying device, removing fume from the source, avoiding fume from adhering in the fan and improving fume cleaning effect; meanwhile, the electrostatic oil fume purifying device is provided with the adjusting structure capable of adjusting the distance between the dust collecting plates, when the oil fume concentration is large, the distance between the dust collecting plates can be reduced, so that the field intensity at the same voltage is increased, the adsorption capacity for oil fume particles is improved, the oil fume with large density is adsorbed, when the oil fume concentration is small, the distance between the dust collecting plates is increased, so that the field intensity at the same voltage is reduced, on the basis of adsorbing a small amount of oil fume particles, the energy is saved, the use cost is reduced, and the structure can realize the precise adjustment of the electric field intensity of the electrostatic oil fume collecting device according to the requirement, so that the oil fume purifying effect is improved.
Drawings
Fig. 1 is a schematic view of a range hood according to the present embodiment;
FIG. 2 is a cross-sectional view of FIG. 1;
fig. 3 is a schematic structural diagram (field intensity is the weakest) of an electrostatic oil fume purifying device in an embodiment of the invention;
fig. 4 is a schematic structural diagram (field intensity is strongest) of an electrostatic oil fume purifying device in an embodiment of the present invention;
FIG. 5 is a schematic view of a portion of the structure of FIG. 1;
fig. 6 is a schematic structural view of a cam shaft according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 6, the range hood of the present embodiment includes a fume collecting hood 1, a fan 2 and an electrostatic fume purifying device 3, the fan 2 is disposed in the fume collecting hood 1, an air inlet 21 of the fan is disposed downward and a larger installation cavity 10 is formed between the air inlet 21 of the fan and an air inlet 11 of the fume collecting hood 1, the electrostatic fume purifying device 3 is disposed in the installation cavity 10, an installation surrounding plate 12 disposed close to the air inlet 11 of the fume collecting hood 1 is disposed in the fume collecting hood 1, and the bottom of the electrostatic fume purifying device 3 is connected to the installation surrounding plate 12 in a locking manner. The air inlet 31 of the electrostatic oil fume purifying device 3 is aligned with the air inlet 11 of the fume collecting hood 1, and the upper end of the electrostatic oil fume purifying device 3 is an air outlet area which is close to and corresponds to the air inlet 21 of the fan.
In this embodiment, the electrostatic oil fume purifying device 3 includes a dust collecting plate 32, a polar plate 33, a polar wire 34 and a mounting frame 35, the dust collecting plate 32 is multiple and vertically arranged, the multiple dust collecting plates 32 are arranged side by side at intervals, and the dust collecting plate 32 is connected with the positive electrode or the negative electrode of the high-voltage direct current power supply. The polar plates 33 are vertically arranged and shaped into a closed frame, the polar wires 33 are a plurality of and are transversely arranged in the frame at intervals, and the polar wires 33 are connected with the output end of the high-voltage alternating current generator. A polar plate 33 parallel to the dust collecting plates 32 is arranged between two adjacent dust collecting plates 32, and the dust collecting plates 32 and the polar plate 33 are both positioned on the mounting frame 35. Slide bars 351 perpendicular to the dust collecting plates 32 are respectively arranged on both sides of the mounting frame 35, and corresponding slide blocks 352 capable of slidably connecting the corresponding dust collecting plates 32 and the corresponding pole plates 33 to the slide bars 351 are respectively arranged on the side portions of the dust collecting plates 32 and the pole plates 33. The sliding block 352 is connected with the dust collecting plate 32 and the polar plate 33 through a U-shaped mounting frame 353, a slot 354 for sliding and inserting the dust collecting plate 32 or the polar plate 33 is arranged on the inner side wall of the mounting frame 353, and the sliding block 352 is arranged on the outer side of the mounting frame 353.
The electrostatic oil fume purifying device of the present embodiment is provided with an adjusting structure 6 capable of adjusting the interval between two adjacent dust collecting plates 32. The adjusting structure 6 comprises a cam shaft 61 and a driving piece 62, the cam shaft 61 can be rotatably arranged at the bottom of the mounting frame 35 and is perpendicular to the dust collecting plate 32 and the polar plate 33, the driving piece 62 is a motor, an output shaft of the motor is connected with the cam shaft 61 and is used for driving the cam shaft 61 to rotate, guide posts 355 extending towards the cam shaft 61 are respectively arranged on mounting frames 353 at the lower ends of the dust collecting plate 32 and the polar plate 33, and correspondingly, guide grooves 611 which are respectively matched with the corresponding guide posts 355 in a guiding manner are formed in the surface of the cam shaft 61 so as to realize the adjustment of the distance between the adjacent dust collecting plate 32 and the polar plate 33. The guide posts 355 are positioned on the same straight line, the straight line is parallel to the axial line of the cam shaft 61, and correspondingly, the distances between the adjacent guide grooves 611 positioned on the same straight line are equal, so that the distances between the adjacent dust collecting plates 32 and the distances between the adjacent dust collecting plates 32 and the polar plates 33 are always equal, and the overall electrostatic fume removing effect is kept at a higher level.
In this embodiment, the mounting frame 35 is provided with a telescopic structure capable of changing the size of the air inlet 11 of the fume collecting hood 1 along with the adjustment of the distance between the dust collecting plates 32, and the structure can adjust the air pressure in the air inlet 11 of the fume collecting hood 1 along with the change of the fume removing intensity of the electrostatic fume purifying device 3, so as to enhance the fume adsorption removing effect. A first expansion plate 71 is connected between the bottom edge of the dust collecting plate 32 on one side of the electrostatic oil fume purifying device 3 and the mounting frame 35, a second expansion plate 72 arranged opposite to the first expansion plate 71 is connected between the bottom edge of the dust collecting plate 32 on the other side of the electrostatic oil fume purifying device 3 and the mounting frame 35, and the second expansion plate 72 and the first expansion plate 71 together form an expansion structure.
When the range hood is used, when the oil smoke concentration is large, the distance between the dust collecting plates 32 can be reduced, so that the field intensity under the same voltage is increased, the adsorption capacity for oil smoke particles is improved, and the oil smoke with large density is adsorbed, meanwhile, the air inlet 11 of the fume collecting hood 1 is reduced due to the telescopic structure, the negative pressure at the inner side of the air inlet 11 is increased, the oil smoke inhalation is accelerated, and the oil smoke is removed rapidly; when the oil smoke concentration is smaller, the distance between the dust collecting plates can be increased, so that the field intensity under the same voltage is reduced, the energy is saved and the use cost is reduced on the basis of absorbing a smaller amount of oil smoke particles, at the moment, the air inlet 11 of the fume collecting hood 1 is completely opened, and the oil smoke can be sucked at a normal speed.
Claims (6)
1. The utility model provides a range hood, includes collection petticoat pipe (1), fan (2) and static oil smoke purifier (3), in collection petticoat pipe (1) are located to fan (2), its characterized in that: an air inlet (21) of the fan (2) is arranged downwards, an installation cavity (10) for accommodating the electrostatic oil fume purifying device (3) is formed between the air inlet (21) and an air inlet (11) of the fume collecting hood (1), and an air inlet (31) of the electrostatic oil fume purifying device (3) corresponds to the air inlet (11) of the fume collecting hood (1); the electrostatic oil fume purifying device (3) comprises at least two dust collecting plates (32) which are arranged side by side at intervals, and an adjusting structure (6) capable of adjusting the distance between two adjacent dust collecting plates (32) is arranged on the electrostatic oil fume purifying device (3);
the electrostatic oil fume purifying device (3) further comprises polar plates (33), polar wires (34) and a mounting frame (35), wherein the polar plates (33) are vertically arranged and shaped into a closed frame, the polar wires (34) are at least two and are arranged in the frame at intervals, the polar plates (33) parallel to the dust collecting plates (32) are arranged between every two adjacent dust collecting plates (32), and the dust collecting plates (32) and the polar plates (33) are both positioned on the mounting frame (35);
the adjusting structure (6) comprises a cam shaft (61) and a driving piece (62), wherein the cam shaft (61) can be rotatably arranged on the mounting frame (35) and is perpendicular to the dust collecting plate (32) and the polar plate (33), the driving piece (62) is connected with the cam shaft (61) and is used for driving the cam shaft (61) to rotate, guide posts (355) extending towards the cam shaft (61) are respectively arranged at the same ends of the dust collecting plate (32) and the polar plate (33), and correspondingly, guide grooves (611) which are respectively matched with the corresponding guide posts (355) in a guiding manner to realize the adjustment of the space between the adjacent dust collecting plate (32) and the polar plate (33) are formed in the surface of the cam shaft (61);
the guide posts (355) are positioned on the same straight line, the straight line is parallel to the axial lead of the cam shaft (61), and the distances between adjacent guide grooves (611) positioned on the same straight line are equal correspondingly;
at least one side of the mounting frame (35) is provided with a sliding rod (351) which is arranged along the axial direction of the cam shaft (61), and correspondingly, the side parts of the dust collecting plate (32) and the polar plate (33) are respectively provided with a sliding block (352) which can slidably connect the dust collecting plate (32) and the polar plate (33) on the sliding rod (351).
2. The range hood of claim 1, wherein: the adjusting structure (6) further comprises a U-shaped mounting frame (353), a slot (354) for the dust collecting plate (32) or the polar plate (33) to be inserted in a sliding manner is formed in the inner side wall of the mounting frame (353), and the sliding block (352) is arranged on the outer side of the mounting frame (353).
3. The range hood of claim 2, wherein: the cam shaft (61) is arranged at the lower ends of the dust collecting plate (32) and the polar plate (33), and the guide post (355) is correspondingly arranged at the edge of the lower end of the dust collecting plate (32) or the polar plate (33).
4. A range hood according to any one of claims 1 to 3, wherein: the mounting frame (35) is provided with a telescopic structure capable of changing the size of the air inlet (11) of the fume collecting hood (1) along with the adjustment of the distance between the dust collecting plates (32).
5. The range hood of claim 4, wherein: the novel electrostatic oil fume purifying device is characterized in that a first expansion plate (71) is connected between the bottom edge of a dust collecting plate (32) on one side of the electrostatic oil fume purifying device (3) and a mounting frame (35), a second expansion plate (72) which is oppositely arranged with the first expansion plate (71) is connected between the bottom edge of the dust collecting plate (32) on the other side of the electrostatic oil fume purifying device (3) and the mounting frame (35), and the second expansion plate (72) and the first expansion plate (71) jointly form the expansion structure.
6. A range hood according to any one of claims 1 to 3, wherein: the smoke collecting hood is characterized in that an installation coaming (12) which is arranged close to an air inlet (11) of the smoke collecting hood (1) is arranged in the smoke collecting hood (1), and the installation frame (35) is connected to the installation coaming (12) in a locking mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710639217.0A CN108072076B (en) | 2017-07-31 | 2017-07-31 | Fume exhauster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710639217.0A CN108072076B (en) | 2017-07-31 | 2017-07-31 | Fume exhauster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108072076A CN108072076A (en) | 2018-05-25 |
| CN108072076B true CN108072076B (en) | 2024-01-16 |
Family
ID=62159392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710639217.0A Active CN108072076B (en) | 2017-07-31 | 2017-07-31 | Fume exhauster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108072076B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111495597B (en) * | 2019-01-31 | 2022-09-02 | 宁波方太厨具有限公司 | Ionization device and range hood applying same |
| CN110694799B (en) * | 2019-09-23 | 2024-05-14 | 宁波方太厨具有限公司 | High-voltage electrostatic purifying device and range hood using same |
| CN111938463B (en) * | 2020-08-13 | 2022-01-18 | 深圳芯闻科技有限公司 | Flue gas treatment automatic regulating guiding device for barbecue |
| CN112844847A (en) * | 2021-03-12 | 2021-05-28 | 珠海格力电器股份有限公司 | Dust collecting device and air purifier |
| CN113483372B (en) * | 2021-08-05 | 2023-07-21 | 浙江众士科技有限公司 | Electric field pull-down type integrated purifying smoke hood |
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|---|---|---|---|---|
| CN102183054A (en) * | 2011-05-18 | 2011-09-14 | 吴超 | Range hood |
| CN104501273A (en) * | 2015-01-10 | 2015-04-08 | 杨茹芹 | Stretchable extractor hood |
| CN205299689U (en) * | 2016-01-20 | 2016-06-08 | 北京东方金厨厨房设备有限责任公司 | Environment -friendly oil cigarette purifier |
| CN205851109U (en) * | 2016-07-21 | 2017-01-04 | 陈军 | A kind of fume purifying electrostatic equipment and comprise its fume purifier of fume |
| CN206145755U (en) * | 2016-10-08 | 2017-05-03 | 珠海格力电器股份有限公司 | Smoke exhaust ventilator |
| CN207214178U (en) * | 2017-07-31 | 2018-04-10 | 宁波方太厨具有限公司 | A kind of range hood |
-
2017
- 2017-07-31 CN CN201710639217.0A patent/CN108072076B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183054A (en) * | 2011-05-18 | 2011-09-14 | 吴超 | Range hood |
| CN104501273A (en) * | 2015-01-10 | 2015-04-08 | 杨茹芹 | Stretchable extractor hood |
| CN205299689U (en) * | 2016-01-20 | 2016-06-08 | 北京东方金厨厨房设备有限责任公司 | Environment -friendly oil cigarette purifier |
| CN205851109U (en) * | 2016-07-21 | 2017-01-04 | 陈军 | A kind of fume purifying electrostatic equipment and comprise its fume purifier of fume |
| CN206145755U (en) * | 2016-10-08 | 2017-05-03 | 珠海格力电器股份有限公司 | Smoke exhaust ventilator |
| CN207214178U (en) * | 2017-07-31 | 2018-04-10 | 宁波方太厨具有限公司 | A kind of range hood |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108072076A (en) | 2018-05-25 |
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