CN107774447B - Electrostatic oil smoke removing unit - Google Patents
Electrostatic oil smoke removing unit Download PDFInfo
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- CN107774447B CN107774447B CN201610733688.3A CN201610733688A CN107774447B CN 107774447 B CN107774447 B CN 107774447B CN 201610733688 A CN201610733688 A CN 201610733688A CN 107774447 B CN107774447 B CN 107774447B
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- plate
- positive plate
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- positive
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- 239000000779 smoke Substances 0.000 title claims abstract description 34
- 230000005684 electric field Effects 0.000 claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims description 20
- 239000003517 fume Substances 0.000 claims description 18
- 238000010411 cooking Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000006233 lamp black Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/41—Ionising-electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/45—Collecting-electrodes
-
- 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
Abstract
The utility model provides an electrostatic oil smoke removing unit, includes annular casing, be equipped with positive plate and negative plate in the casing, its characterized in that: the positive and negative electrode plates respectively extend outwardly from the central axis of the case in a spiral shape around the central axis, and are always spaced apart to form an electric field. The electrostatic oil smoke removing unit can realize large areas of the positive plate and the negative plate in a small volume, further improves the electrostatic oil smoke removing effect, and is compact and simple in structure and very convenient to install and process. And because of small volume and high efficiency, the air purifier can be widely applied to various air purifying devices, such as a range hood, an air purifier and the like.
Description
Technical Field
The invention relates to an electrostatic fume removal unit.
Background
The oil separation degree of the existing better range hoods in the market can reach 90% or more, but part of oil smoke and a large amount of PM2.5 particles are discharged outdoors directly. As the outdoor air quality is increasingly worried, the outdoor activities and the physical health of human beings are seriously affected, and the lampblack is taken as one of main pollution sources of the outdoor air, so that the purification of the exhaust body outside the range hood is particularly important. 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, the oil smoke purifying device is needed to be adopted, and the common oil smoke purifying device in the prior art comprises: mechanical oil smoke purifier, water mist spray type oil smoke purifier and electrostatic oil smoke purifier. The electrostatic technology is applied to the range hood, so that a good fume purifying effect can be achieved.
The existing high-voltage electrostatic oil fume purifying device generally has two structures, namely a honeycomb type electric field generator and a flat plate type electric field generator. The cathode of the former is a hexagonal hole of regular hexagons integrally connected with each other, the shape is like a honeycomb, a long needle is arranged at the geometric center of each regular hexahedral hole, and the long needle is an anode. The positive electrode of the output end of the high-voltage power supply is connected with the anode of the electric field generator, and the negative electrode of the power supply is connected with the cathode of the electric field generator. Corona is generated near the needle point after the power is on, air is ionized, a large amount of charged positive ions and negative ions are generated, and an adsorption electric field is arranged at the rear part of the needle point. When the oil smoke particles enter the honeycomb electric field generator, the oil smoke particles are captured by positive and negative ions to become load oil smoke particles. Under the drive of wind force, the load particles are acted by the electric field force at the adsorption field and move towards the corresponding collector, so that the purposes of soot deposition and air purification are achieved. In the same regular hexahedral hole, the working voltage of the front end ionization field is greatly different from that of the rear adsorption field. It has the following disadvantages: the voltage is too high, and the spark discharge is performed on the rear electric field; the working voltage is reduced to meet the rear requirement, the corona at the front end is weak, a large amount of positive and negative ions cannot be generated, the fume purifying capability is reduced, and the production process is complex.
The utility model discloses a range hood and high-voltage static oil smoke separator thereof as disclosed in China patent with the application number 201420717912.6, which is a flat-plate type electric field generator and comprises an insulating shell, a plate type high-voltage ionization device and a plate type high-voltage static adsorption device, wherein the high-voltage static adsorption device comprises a plurality of cathode plates and anode plates which are alternately separated from each other, the cathode plates are sleeved together through bolts and are separated by metal spacers, and the anode plates are sleeved together through bolts and are separated by metal spacers. Such devices are generally large in size, and generally in order to obtain a good electrostatic fume removal effect, the total area of the cathode sheet and the anode sheet must be increased, so that the overall size cannot be made smaller.
Disclosure of Invention
The invention aims to solve the technical problem of providing the electrostatic fume removal unit which is compact in structure, good in fume removal effect and convenient to process and install.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides an electrostatic oil smoke removing unit, includes annular casing, be equipped with positive plate and negative plate in the casing, its characterized in that: the positive plate and the negative plate respectively extend outwards from the central shaft of the shell in a spiral shape around the central shaft, and the positive plate and the negative plate are always kept at intervals to form an electric field; the positive plate and the negative plate are fixedly connected with the shell at one side close to the shell; at least one of the two ends of the shell is provided with a fixing device connected with the positive plate and/or the negative plate; the fixing device comprises a central connecting block positioned at the central shaft, and spiral grooves which are respectively matched with the inner side ends of the positive plate and the negative plate and used for clamping the inner side ends of the positive plate and the negative plate are formed in the central connecting block.
In order to prevent creepage, the center of the center connecting block is provided with a center hole.
In order to better separate the positive and negative plates, the edge of the central hole is provided with an annular wall which protrudes vertically relative to the central connecting block.
For better fixation, the periphery of the central connecting block is provided with connecting rods protruding radially outwards and symmetrically arranged along the periphery of the central connecting block, and clamping grooves are respectively formed in the connecting rods and used for clamping the positive plate and the negative plate.
In order to fix polar plates and prevent creepage or short circuit between positive and negative polar plates, still include the link that is connected with central connecting block, the link extends with central connecting block coplanar or extends parallel with the plane that central connecting block is located, this link includes the body of rod of radially outwards extending along central connecting block, this body of rod sets up and the number is the even interval along the circumference of casing, all be equipped with the spread groove that a plurality of intervals set up on every body of rod supplies positive, the tip card of negative plate to go into fixedly to each body of rod is fixed with one of them polar plate only, the polarity of the polar plate of adjacent body of rod fixed connection is opposite.
In order to better prevent short circuit between the positive plate and the negative plate, the positive plate and the negative plate are respectively provided with a notch at the position corresponding to the rod bodies which are not mutually connected, so that the rod bodies are bypassed.
As another technical scheme, an electrostatic oil fume removing unit, including annular casing, be equipped with positive plate and negative plate in the casing, its characterized in that:
the electrostatic degreasing unit further includes a center post extending along a center axis of the housing;
the positive plate and the negative plate respectively extend outwards from the central shaft of the shell in a spiral shape around the central shaft, and the positive plate and the negative plate are always kept at intervals to form an electric field;
the positive plate and the negative plate are fixedly connected with the shell at one side close to the shell;
at least one of the two ends of the shell is provided with a fixing device, the fixing device comprises a connecting frame fixedly connected with the two ends of the center column and perpendicular to the center shaft, and the connecting frame is fixedly connected with the ends of the positive plate and the negative plate.
Preferably, the central column comprises two opposite peripheral walls facing opposite directions, the opposite peripheral walls are respectively provided with a clamping hook which is respectively clamped and fixed with the end parts of the positive plate and the negative plate, and the peripheral wall of the central column between the two opposite peripheral walls comprises an inclined surface inclined with the opposite peripheral walls.
Preferably, the connecting frame comprises rod bodies extending outwards along the radial direction of the central connecting block, and each rod body is provided with a plurality of connecting grooves arranged at intervals for clamping and fixing the end parts of the positive plate and the negative plate.
Preferably, the rod bodies are uniformly arranged at intervals along the circumferential direction of the shell, the number of the rod bodies is double, each rod body is fixed with only one polar plate, and the polar plates fixedly connected with the adjacent rod bodies are opposite in polarity; or the rod bodies are uniformly arranged at intervals along the circumferential direction of the shell, the number of the rod bodies is double, and the rod bodies fixedly connected with the positive plate and the rod bodies fixedly connected with the negative plate are respectively positioned at two sides.
Compared with the prior art, the electrostatic oil fume removing unit has the advantages that the large area of the positive plate and the negative plate can be realized in a smaller volume, so that the electrostatic oil fume removing effect is improved, and the electrostatic oil fume removing unit is compact and simple in structure and very convenient to install and process. And because of small volume and high efficiency, the air purifier can be widely applied to various air purifying units, such as units of a range hood, an air purifier and the like.
Drawings
Fig. 1 is an exploded view of an electrostatic oil smoke removing unit according to a first embodiment of the present invention.
Fig. 2 is a schematic view of an electrostatic oil smoke removing unit (excluding a housing and a connection frame at one side thereof) according to a first embodiment of the present invention.
Fig. 3 is an exploded view of a fixing device of an electrostatic oil smoke removing unit according to a first embodiment of the present invention.
Fig. 4 is a schematic perspective view (with a casing removed) of an electrostatic oil smoke removing unit according to a second embodiment of the present invention.
Fig. 5 is a schematic view of a fixing device of an electrostatic oil smoke removing unit according to a second embodiment of the present invention.
Fig. 6 is a schematic perspective view (with a casing removed) of an electrostatic oil smoke removing unit according to a third embodiment of the present invention.
Fig. 7 is an exploded view (with a housing removed) of an electrostatic oil smoke removing unit according to a third embodiment of the present invention.
Description of the embodiments
The invention is described in further detail below with reference to the embodiments of the drawings.
The electrostatic oil smoke removing unit of the present invention, as shown in fig. 1-3, is a first embodiment, and includes an annular housing 1, wherein the housing 1 is hollow and cylindrical, and both ends of the housing are open. The housing 1 may be cylindrical, may be a regular polygonal cylinder, may be any cylinder with a symmetrical center, and may be any other irregular cylinder.
The positive electrode plate 2 and the negative electrode plate 3 are provided in the case 1, and the positive electrode plate 2 and the negative electrode plate 3 start from a central axis 12 in the center of the case 1 and extend outwardly in a spiral shape around the central axis 12 in the circumferential direction of the case 1. The positive electrode plate 2 and the negative electrode plate 3 are on the side of the central axis 12 of the case 1, and the initial extending directions of the two are opposite. The positive electrode plate 2 and the negative electrode plate 3 are fixed to the case 1 by screws 4 on the side close to the case 1. The positive electrode plate 2 and the negative electrode plate 3 are always kept spaced apart, and particularly, the positive electrode plate 2 and the negative electrode plate 3 are all extended along the circumferential direction of the case 1, and must be kept spaced apart in the radial direction of the case 1 to form an electric field, and the spacing distance may be variable, constant, or gradually increased or decreased. The interval between the positive electrode plate 2 and the negative electrode plate 3 is always uniform in the radial direction of the case 1 so that the electric field between the positive and negative electrode plates is kept constant, or the interval between the positive electrode plate 2 and the negative electrode plate 3 is gradually increased or gradually decreased.
As shown in fig. 1, 2, 3, the first embodiment further includes a fixing device 5, at least one of the two ends of the case 1 is provided with the fixing device 5, and the fixing device 5 is connected to the positive electrode plate 2 and the negative electrode plate 3 for fixedly maintaining the interval between the positive electrode plate 2 and the negative electrode plate 3 and the positions of the positive electrode plate 2 and the negative electrode plate 3. The fixing device 5 comprises connecting frames 6 which are positioned at two ends of the shell 1 and extend vertically to the axial direction of the shell 1, namely the axial direction of the positive plate and the axial direction of the negative plate, a center column 56 which extends along the center shaft 12 of the shell 1 is arranged between the centers of the connecting frames 6, and two ends of the center column 56 are fixedly connected with the connecting frames 6 at two ends of the shell 1.
The central post 56 is provided with hooks 57 respectively engaged with inner ends of the positive and negative plates, and the connecting frame 6 includes rod bodies 61 extending outward in a radial direction of the central connecting block 51, and the rod bodies 61 are uniformly arranged in a circumferential direction of the case 1 and have a double number. The rod bodies 61 are provided with a plurality of connecting grooves 62 which are arranged at intervals for clamping and fixing the ends of the positive plate and the negative plate, each rod body 61 is only fixed with one polar plate, and the polar plates fixedly connected with the adjacent rod bodies 61 have opposite polarities. Or alternatively, one half of the rod bodies 61 may be fixedly connected with the positive electrode plate, and the other half may be fixedly connected with the negative electrode plate, and the rod bodies connected with the positive electrode plate and the negative electrode plate are respectively located at two sides.
The central portion of the connecting frame 6 is fixedly connected with the central connecting block 51, as shown in fig. 3, the central column 56 includes two opposite peripheral walls 561 facing opposite to each other, the opposite peripheral walls 561 are respectively provided with a hook 57 fixedly connected with the ends of the positive and negative plates, the directions of the hooks 57 connecting the positive and negative plates are opposite, the central column peripheral walls between the opposite peripheral walls 561 also include inclined planes 562 inclined with the opposite peripheral walls 561, and the inclined planes 562 arranged between the hooks 57 prevent liquid drops from accumulating so that the inside ends of the positive and negative plates are not easy to climb up, thereby causing short circuit damage. And the peripheral wall between the opposite peripheral walls 561 of the center post 56 may also include a surface perpendicular to the opposite peripheral walls 561, as shown in fig. 3, as long as a portion of the peripheral walls form a slope 562. As shown in fig. 3, the central post 56 has a hexagonal cross-section and includes oppositely facing peripheral walls 561, although those skilled in the art will appreciate that other quadrilaterals, octagons, or other polygons are possible.
As shown in fig. 4 to 5, in a second embodiment of the electrostatic oil smoke removing unit, the positive and negative plates are disposed in the same manner as in the first embodiment. The fixing means 5 includes a circular center connection block 51 at the center of both ends of the case 1, i.e., at the center shaft 12, the center connection block 51 may be not circular, square, oval, or other shapes, the center connection block 51 is provided with a groove 511 matching the spiral shape of the ends of the positive and negative electrode plates, and as shown in fig. 3, the groove 511 includes two pieces extending in opposite directions from the center portion of the center connection block 51, into which the inner ends of the positive electrode plates 2 and negative electrode plates 3 are respectively inserted. And a central hole 52 is provided at a central portion of the central connection block 51 between the two grooves 511, a circumferential wall 53 perpendicular to the central connection block 51 is provided between the central hole 52 and the grooves 511 along a rim of the central hole 52, and the circumferential wall 52 is well spaced from the central hole 52 at the ends of the positive electrode plate 2 and the negative electrode plate 3 to prevent a short circuit from occurring therebetween due to creepage. At least two connecting rods 54 are provided on the outer periphery of the center connecting block 51, protruding radially outward and symmetrically, and the connecting rods 54 are provided with engaging grooves 55 for engaging the positive electrode plate 2 and the negative electrode plate 3, respectively.
As shown in fig. 6 and 7, in this third embodiment, the positive and negative plates are arranged in the same manner as in the first and second embodiments, except that the fixing device 5 includes a circular central connection block 51 at the center and a connection frame 6 fixedly connected to the central connection block 51. The connection frame 6 extends in the same plane as the center connection block 51 or in parallel with the plane in which the center connection block 51 is located. And the center connection block 51 is provided with a groove 511 matching the spiral shape of the ends of the positive and negative electrode plates, the groove 511 including two strips extending in opposite directions from the center portion of the center connection block 51, into which the inner ends of the positive electrode plate 2 and the negative electrode plate 3 are inserted, respectively. The connection frame 6 includes rod bodies 61 extending radially outward of the center connection block 51, the rod bodies 61 being uniformly arranged in the circumferential direction of the housing 1 and being double in number. The rod bodies 61 are provided with a plurality of connecting grooves 62 which are arranged at intervals for clamping and fixing the ends of the positive plate and the negative plate, each rod body 61 is only fixed with one polar plate, and the polar plates fixedly connected with the adjacent rod bodies 61 have opposite polarities. Or alternatively, one half of the rod bodies 61 may be fixedly connected with the positive electrode plate, and the other half may be fixedly connected with the negative electrode plate, and the rod bodies connected with the positive electrode plate and the negative electrode plate are respectively located at two sides. And the positions of the positive and negative plates opposite to the rod bodies 61 which are not connected with each other are provided with notches 611 to bypass the rod bodies 61 which are not connected with each other, so that the rod bodies 61 which are not connected with each other pass through the notches 611 in a non-contact manner, namely, the positive and negative plates bypass the rod bodies 61 by respectively arranging the notches 611 at the positions corresponding to the rod bodies 61 which are not connected with each other.
The central part of the connecting frame 6 is fixedly connected with the central connecting block 51, a central hole 52 is arranged on the central part of the central connecting block 51, and shafts for supporting connection can be fixedly connected between the central holes 52 of the central connecting blocks 51 at the two ends of the shell 1.
And, as shown in fig. 7, the connecting groove 62 of the rod body 61 extends along the same direction as the extending direction of the positive and negative plates, and the connecting groove 62 is provided with a bump 621 perpendicular to the extending direction of the connecting groove 62 and positioned in the middle of the connecting groove 62, and the bump 621 is matched with the corresponding notch position of the edges of the positive and negative plates, so that the connecting frame and the positive and negative plates are easier to position and install, and the positive and negative plates can be ensured not to slide along the direction of the connecting groove 62, so that the fixing is firmer.
This static smoke removal unit can realize the large tracts of land setting of positive plate 2 and negative plate 3 in less volume, and then has improved the effect of static smoke removal, and compact structure is simple moreover, and installation, processing are all very convenient. And because of small volume and high efficiency, the air purifier can be widely applied to various air purifying devices, such as a range hood, an air purifier and the like. And the electrostatic fume removal unit can effectively prevent short circuit between the positive plate and the negative plate caused by fume accumulation or creepage.
While the preferred embodiments of the present invention have been described in detail, it is to be clearly understood that the same may be varied in many ways by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an electrostatic oil smoke removing unit, includes annular casing (1), be equipped with positive plate (2) and negative plate (3) in casing (1), its characterized in that: the positive plate (2) and the negative plate (3) respectively extend outwards in a spiral shape around the central shaft (12) from the central shaft (12) of the shell (1), and the positive plate (2) and the negative plate (3) are always kept at intervals to form an electric field; the positive plate (2) and the negative plate (3) are fixedly connected with the shell (1) at one side close to the shell (1); at least one of the two ends of the shell (1) is provided with a fixing device (5) connected with the positive plate (2) and/or the negative plate (3); the fixing device (5) comprises a central connecting block (51) positioned at the central shaft (12), and spiral grooves (511) which are matched with the inner side ends of the positive plate and the negative plate respectively and are used for clamping the inner side ends of the positive plate and the negative plate in are formed in the central connecting block (51).
2. An electrostatic fume removal unit according to claim 1, wherein: the center of the center connecting block (51) is provided with a center hole (52).
3. An electrostatic fume removal unit according to claim 2, wherein: the edge of the central hole (52) is provided with an annular wall (53) which protrudes vertically relative to the central connecting block (51).
4. An electrostatic cooking fume removal unit according to any one of claims 1 to 3, wherein: the periphery of the center connecting block (51) is provided with connecting rods (54) protruding outwards in the radial direction and symmetrically arranged, and clamping grooves (55) are respectively formed in the connecting rods (54) and used for clamping the positive plate (2) and the negative plate (3).
5. An electrostatic cooking fume removal unit according to any one of claims 1 to 3, wherein: the connecting frame (6) is connected with the central connecting block (51), the connecting frame (6) extends on the same plane with the central connecting block (51) or extends parallel to the plane where the central connecting block (51) is located, the connecting frame (6) comprises rod bodies (61) extending outwards along the radial direction of the central connecting block (51), the rod bodies (61) are uniformly arranged at intervals along the circumferential direction of the shell (1) and are even in number, a plurality of connecting grooves (62) which are arranged at intervals are formed in each rod body (61) for clamping and fixing the end parts of the positive plate and the negative plate, each rod body (61) is fixed with one polar plate only, and the polarities of polar plates fixedly connected with the adjacent rod bodies (61) are opposite.
6. The electrostatic oil and smoke removal unit of claim 5, wherein: the positive plate and the negative plate are respectively provided with a notch (611) at the position corresponding to the rod body (61) which is not connected with each other, so as to bypass the rod body (61).
7. The utility model provides an electrostatic oil smoke removing unit, includes annular casing (1), be equipped with positive plate (2) and negative plate (3) in casing (1), its characterized in that:
the electrostatic fume removal unit further comprises a central column (56) extending along the central axis (12) of the housing (1);
the positive plate (2) and the negative plate (3) respectively extend outwards in a spiral shape around the central shaft (12) from the central shaft (12) of the shell (1), and the positive plate (2) and the negative plate (3) are always kept at intervals to form an electric field;
the positive plate (2) and the negative plate (3) are fixedly connected with the shell (1) at one side close to the shell (1);
at least one of the two ends of the shell (1) is provided with a fixing device (5), the fixing device (5) comprises a connecting frame (6) fixedly connected with the two ends of the center column (56) and perpendicular to the center shaft (12), and the connecting frame (6) is fixedly connected with the ends of the positive plate and the negative plate.
8. The electrostatic oil and smoke removal unit of claim 7 wherein: the center column (56) comprises two opposite peripheral walls (561) facing opposite directions, the opposite peripheral walls (561) are respectively provided with a clamping hook (57) which is respectively clamped and fixed with the end parts of the positive plate and the negative plate, and the peripheral wall of the center column between the two opposite peripheral walls (561) comprises an inclined surface (562) inclined with the opposite peripheral walls (561).
9. The electrostatic oil and smoke removal unit of claim 8, wherein: the connecting frame (6) comprises rod bodies (61) extending outwards along the radial direction of the central connecting block (51), and a plurality of connecting grooves (62) which are arranged at intervals are arranged on each rod body (61) for clamping and fixing the ends of the positive plate and the negative plate.
10. The electrostatic oil and smoke removal unit of claim 9 wherein: the rod bodies (61) are uniformly arranged at intervals along the circumferential direction of the shell (1) and have double numbers, each rod body (61) is fixed with one polar plate only, and the polar plates fixedly connected with the adjacent rod bodies (61) have opposite polarities; or the rod bodies (61) are uniformly arranged at intervals along the circumferential direction of the shell (1) and are in double numbers, and the rod bodies (61) fixedly connected with the positive plate and the rod bodies (61) fixedly connected with the negative plate are respectively positioned at two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610733688.3A CN107774447B (en) | 2016-08-25 | 2016-08-25 | Electrostatic oil smoke removing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610733688.3A CN107774447B (en) | 2016-08-25 | 2016-08-25 | Electrostatic oil smoke removing unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107774447A CN107774447A (en) | 2018-03-09 |
| CN107774447B true CN107774447B (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610733688.3A Active CN107774447B (en) | 2016-08-25 | 2016-08-25 | Electrostatic oil smoke removing unit |
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| CN (1) | CN107774447B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812852A (en) * | 2019-03-08 | 2019-05-28 | 珠海格力电器股份有限公司 | The oil cleaner screen and range hood of range hood |
| KR20210019876A (en) * | 2019-08-13 | 2021-02-23 | 한온시스템 주식회사 | Eectric Dust device |
| CN111982970B (en) * | 2020-08-21 | 2024-04-19 | 大连理工大学 | Small-size portable air ion detector |
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| CN101229529A (en) * | 1999-04-12 | 2008-07-30 | 达尔文技术有限公司 | Air cleaning device |
| JP2008296127A (en) * | 2007-05-31 | 2008-12-11 | Kitanihon Mizushori:Kk | Electrostatic precipitator |
| CN205084876U (en) * | 2015-11-12 | 2016-03-16 | 杭州钛合智造电器有限公司 | Air purifier is with circular high -efficient electrostatic precipitator module |
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