CN209577023U - A kind of household smoke exhaust ventilator of energy high-efficient purification oil smoke - Google Patents

A kind of household smoke exhaust ventilator of energy high-efficient purification oil smoke Download PDF

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Publication number
CN209577023U
CN209577023U CN201822278086.0U CN201822278086U CN209577023U CN 209577023 U CN209577023 U CN 209577023U CN 201822278086 U CN201822278086 U CN 201822278086U CN 209577023 U CN209577023 U CN 209577023U
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smoke exhaust
shell
exhaust ventilator
household
efficient purification
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CN201822278086.0U
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刘江会
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Shenzhen Kangde Kitchenware Technology Co Ltd
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Shenzhen Kangde Kitchenware Technology Co Ltd
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Abstract

The utility model provides a kind of household smoke exhaust ventilator of energy high-efficient purification oil smoke, including gas collection petticoat pipe, upper body, the smoke exhaust fan being arranged in the inner cavity of upper body, air outlet and circuit and switch control module, further include can the oil smoke that aspirated by smoke exhaust fan is charged and capture high-pressure electrostatic adsorbent equipment, the high-pressure electrostatic adsorbent equipment is mounted on the air intake vent of smoke exhaust fan, is removably disposed between gas collection petticoat pipe and smoke exhaust fan, and the high-pressure electrostatic adsorbent equipment includes discharge electrode, dust collecting electrode and high-voltage isulation terminal;The household smoke exhaust ventilator of the energy purifying oil fume further includes providing the high voltage power supply of high voltage for high-pressure electrostatic adsorbent equipment.The utility model be modular construction, it is easy to maintain, can high-efficient purification oil smoke, extend smoke exhaust ventilator service life energy high-efficient purification oil smoke household smoke exhaust ventilator.

Description

A kind of household smoke exhaust ventilator of energy high-efficient purification oil smoke
Technical field
The utility model relates to household smoke exhaust ventilator field, especially a kind of household smoke pumping of energy high-efficient purification oil smoke Machine.
Background technique
Heat foods processing is edible, it is human evolution as a result, unavoidably generating heat and useless cigarette in heating process Gas.The existing household smoke exhaust ventilator generally used usually only has this basic function of pump drainage flue gas, even if there is small part Smoke exhaust ventilator claims can be also that clean-up effect is not good enough with purifying oil fume based on working principle difference;Smoke exhaust ventilator is in long-term work In be easily contaminated by smoke, blower motor and wind wheel because adhere to oil foulant it is thick and heavy due to reduce the effective shaft power of blower, exhaust fan The greasy dirt that inner cavity air duct attaches increases the viscous force to air-flow, reduces blower pump drainage efficiency jointly, and oil smoke pumping is caused not done Only, kitchen space is spread in, more seriously damages for a long time in the respiratory health of the people of kitchen operation, pollutes flue, The security risk spread when being formed in fire, while the greasy dirt cleaning adsorbed on exhaust fan is difficult, influences the use of smoke exhaust ventilator Service life and safety.
Utility model content
Technical problem to be solved in the utility model in view of the deficiencies of the prior art, provides a kind of modular construction, dimension Protect the household smoke exhaust ventilator of convenient, energy high-efficient purification oil smoke, the energy high-efficient purification oil smoke for extending smoke exhaust ventilator service life.
In order to solve the above technical problems, the utility model provides a kind of household smoke exhaust ventilator of energy high-efficient purification oil smoke, packet Include gas collection petticoat pipe, upper body, the smoke exhaust fan being arranged in the inner cavity of upper body, air outlet and circuit and switch control mould Block, further include can be charged by the oil smoke aspirated by smoke exhaust fan and the high-pressure electrostatic adsorbent equipment that captures, the high-pressure electrostatic inhale Adsorption device is mounted on the air intake vent of smoke exhaust fan, is removably disposed between gas collection petticoat pipe and smoke exhaust fan, and the high pressure is quiet Electric adsorption device includes discharge electrode, dust collecting electrode and high-voltage isulation terminal;The household smoke exhaust ventilator of the energy purifying oil fume also wraps It includes and provides the high voltage power supply of high voltage for high-pressure electrostatic adsorbent equipment.
It is preferred that the high-pressure electrostatic adsorbent equipment is single area electric field structure;
The dust collecting electrode include shell and be mounted on smoke exhaust fan air intake vent setting collecting polar plate, the dust collecting electrode Plate is arranged in the inside of shell and is scattered in center to the equidistant field tube lattice of any side;
The discharge electrode includes being adapted to be set to above shell to put discharge electrode hanging frame, corona wire and field tube lattice one One is accordingly articulated on discharge electrode hanging frame, and the corona wire pendency is in corresponding each field tube center of a lattice.
It is preferred that field tube lattice section is square or regular hexagon or circle or polygon.
It is preferred that the high-pressure electrostatic adsorbent equipment is Double Fields structure;If the dust collecting electrode include shell, Dry is connected to the collecting polar plate of housing top end straight down, and shell is arranged in being equidistant between two neighboring collecting polar plate It is interior, the centre of low pressure pole plate and collecting polar plate insulated adaptation setting and two neighboring collecting polar plate;
The discharge electrode includes the ground connection pole plate being arranged in correspondingly below collecting polar plate with collecting polar plate, earthing pole Plate is arranged inside the housing, and corona wire parallel with it, the corona wire and earthing pole are equipped among adjacent two pieces of ground connection pole plate Plate, casing insulation it is arranged.
It is preferred that it is described ground connection pole plate by with ground connection pole plate it is vertical ground connection pole plate suspension fixed link and The ground connection pole plate hanging frame for being symmetricly set on shell two sides is fixed, and it is exhausted to be equipped with high pressure between shell and ground connection pole plate hanging frame Acies;The corona wire with the discharge electrode corona wire hanger bar of ground connection electrode plate insulation by fixing, the hanger bar and shell Between be equipped with high-voltage isulation terminal.
It can be on top it is preferred that being additionally provided between the high-pressure electrostatic adsorbent equipment and the air intake vent of smoke exhaust fan The equal wind porous plate extracted out repeatedly in housing cavity, being inserted into.
It is preferred that the high-voltage electricity source capsule of the built-in high voltage power supply may be mounted at the appropriate configuration of kitchen ventilator On.
It is preferred that the shape of the corona wire is prickle formula line or star-like line or twistedwire.
It is preferred that the high-pressure electrostatic adsorbent equipment is high-pressure mini electric field cleaning module.
Compared with existing other technologies, the utility model has the advantages that following prominent: the utility model is structurally reasonable, ties up Protect simple and easy, windage is small, purification efficiency highest, can long-term and effective operation.After smoke exhaust fan starting, the oil smoke being sucked is useless Gas enters fume purifier of fume in upper body cavity by gas collection petticoat pipe, which is high-pressure electrostatic Absorption, there are earthing poles and discharge electrode (discharge electrode is just fed into the corona discharge electrode of high voltage direct current, and earthing pole is exactly dust collecting electrode), send The voltage range for entering the high direct voltage of electric field is to select in 3-30Kv, under the action of this high voltage electric field, flows through the gas of electric field It is ionized, since ionization is as a result, produce the free electron of ionic state, therebetween between electric field internal discharge pole and dust collecting electrode By the particles such as the mist of oil of dusty gas respectively by opposed polarity charge on lotus, foring electronegative tar particle and band just The tar particle of electricity, these charged particles are respectively migrated to their opposite heteropolar directions, In under the action of electric field Coulomb force It collides, reunite with other mist of oil particles in mobile process, form larger particle, to dust collecting electrode absorption is eventually arrived at, glue Yu Guanbi, adhesion is more, since the self weight of oil droplet runs down into oil collection box along dust collecting electrode wall, the mist of oil particle mobile to corona discharge electrode Because corona discharge electrode surface area is relatively minimum, and only small part is removed by corona discharge electrode, and remainder does not capture part when continuing on Generation neutralizes, is charged, finally by dust collecting electrode all absorption again, to achieve the purpose that eliminate oil smoke.Periodically to dust collecting electrode and Discharge electrode, which carries out cleaning, can restore absorption property.Purified clean flue gas is discharged to common flue or room by smoke exhaust fan Outer airspace efficiently solves for a long time using rear fan, connection smoke pipe, common flue by blower caused after oil pollution Efficiency decline and public fire safety evaluating problem.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and detailed description:
Fig. 1 is 1 household smoke exhaust ventilator stereoscopic schematic diagram of embodiment;
Fig. 2 is 1 household smoke exhaust ventilator partly cut-away stereoscopic schematic diagram of embodiment;
Fig. 3 is enlarged drawing at A in Fig. 2;
Fig. 4 is that signal is overlooked in 1 area Zhong Dan tubular type electric field discharge electrode frame of embodiment and dust collecting electrode, the assembly of high-voltage isulation terminal Figure;
Fig. 5 is 1 area Zhong Dan tubular type electric field dust collecting electrode of embodiment, insulator block schematic top plan view;
Fig. 6 is 2 household smoke exhaust ventilator partly cut-away stereoscopic schematic diagram of embodiment;
Fig. 7 is partial enlarged view at B in Fig. 6;
Fig. 8 is 2 Double Fields high-pressure electrostatic adsorbent equipment schematic diagram one of embodiment;
Fig. 9 is 2 Double Fields high-pressure electrostatic adsorbent equipment schematic diagram two of embodiment;
Figure 10 is 2 Double Fields high-pressure electrostatic adsorbent equipment schematic diagram three of embodiment.
Specific embodiment
Embodiment 1
As shown in Figs. 1-5, the utility model relates to a kind of household smoke exhaust ventilators of energy high-efficient purification oil smoke (hereinafter referred to as to take out Kitchen ventilator), it is similar with household smoke exhaust ventilator in the prior art, including gas collection petticoat pipe 1, upper body 2, setting are in upper body Detachable smoke exhaust fan 3, air outlet 4 and circuit and switch control module (not shown) in 2 inner cavity, the smoke pumping Machine further includes high-pressure electrostatic adsorbent equipment 5, provides the high voltage power supply 64 of high voltage, the high pressure for high-pressure electrostatic adsorbent equipment 5 Electrostatic adsorption device 5 is detachably connected in 2 cavity of upper body, the air intake vent setting of vertical smoke exhaust fan 3, the high pressure Electrostatic adsorption device 5 can block completely the air intake vent of smoke exhaust fan 3 and its edge, it is ensured that the oil smoke that gas collection petticoat pipe 1 is collected is complete Portion enters smoke exhaust fan 3 after the purification of high-pressure electrostatic adsorbent equipment 5, and the high voltage power supply 64 is arranged in high-voltage electricity source capsule 6 inside, high-voltage electricity source capsule 6 are equipped with high voltage power supply heat release hole 61, high voltage power supply work light 62.
The high-pressure electrostatic adsorbent equipment 5 is single area's electric field structure, preferably tubular type electric field structure, including discharge electrode 51, Dust collecting electrode 52 and the high-voltage isulation terminal 53 that will be connected between discharge electrode 51, dust collecting electrode 52.List area electric field refers to gas Body high pressure ionization, dust charged, adsorbing and trapping occur in same section of region simultaneously.
The dust collecting electrode 52 includes shell 521 and collecting polar plate 522, and the collecting polar plate 522 is in 521 inner part of shell Cloth constructs the electric field of grid annular channel, the field tube lattice can also be honeycomb at the field tube lattice of equal-sized square Six side tubular type electric field forms, round tubular type electric field form, as long as ensuring each pipe center of a lattice point into adjacent tubes lattice two-by-two Heart point keeps equidistant.Furthermore single area's electric field can also be board-like channel electric fields form, if board-like channel electric fields refer to by Dry collecting polar plate row interval it is certain be mounted equidistant, collecting polar plate row centerline high-voltage isulation terminal support installation two-by-two Corona wire is installed on discharge electrode frame, discharge electrode frame center line, if at this moment ensure every row's channel centerline with it is adjacent two-by-two The center line in channel keeps equidistant and every row channel collecting polar plate arranges equal keeping parallelism, keeps corona wire both ends parallel simultaneously It is arranged in collecting polar plate.
The discharge electrode 51 includes the discharge electrode hanging frame 511 that adaptation is set to the top of shell 521, corona wire 512 with Well word grid (field tube lattice) is articulated in correspondingly on discharge electrode hanging frame 511, the pendency of corona wire 512 insertion pair The axis centre in well word square tube lattice answered.The corona wire is aculeus type line, or star-like line, makes it by oneself at twistedwire His form corona wire etc..
Multiple high-voltage isulation terminals 53 are separately positioned on 521 top of shell by the insulator backing plate 531 of adaptation Diagonal or appropriate position is mounted on dust collecting electrode 52 consolidating discharge electrode 51 with high-voltage isulation, constitutes one completely Purification electric field unit 5.
In embodiment, being additionally provided between the high-pressure electrostatic adsorbent equipment 5 and the air intake vent of smoke exhaust fan 3 can be in upper case The equal wind porous plate 9 that body is extracted out repeatedly in 2 inner cavity, is inserted into, the equal wind porous plate 9 are the homogenating plate for having certain percent opening, with Interception form carries out a pressure to the Non-uniform gas flow of central high flow rate edge low flow velocity and is uniformly distributed, and keeps in electric field channel The air-flow velocity of each pipe lattice prevents high-flow area flue gas from having little time to be trapped and escaped by electric field close to being uniformly distributed.
In embodiment, two angle steel 21 are respectively equipped on the inner wall of 2 two sides of upper body, use is collectively formed in four angle steel 21 Dispose the guide groove of high-pressure electrostatic adsorbent equipment 5, high-pressure electrostatic adsorbent equipment 5 can in the guide groove pull.Angle steel 21 it is upper Side is additionally provided with the rectangular recess 22 extracted out, be put into for equal wind porous plate 9.The high-pressure electrostatic adsorbent equipment 5, equal wind porous plate 9, which can also be used the other modes such as be bolted commonly used in the prior art, is removably arranged.
In embodiment, the working voltage DC voltage of discharge electrode corona wire 512, by according in electric field it is heteropolar away from design want It asks to select the adaptation operating voltage of high voltage power supply, high voltage power supply 64 is connect by insulating ceramics casing 63, the High voltage output being adapted to DC high voltage of contravention 65 to 512 output services of corona wire.
The oil flue waste gas aspirated by smoke exhaust fan 3 enters by gas collection petticoat pipe 1 in the cavity of upper body 2, into high pressure Electrostatic adsorption device 5, in the DC high voltage electric field caused by discharge electrode 51, oil flue waste gas is by high pressure ionization, then mist of oil grain Son is captured by dust collecting electrode 52 by the effect of electric field Coulomb force and is adsorbed, mist of oil particle deposition is in collecting polar plate by charged, collision, reunion On, purified clean flue gas is discharged to outside atmosphere space by smoke exhaust fan 3, avoids smoke exhaust fan 3, fume tube and public Flue is contaminated.
Embodiment 2
As illustrated in figures 6-10, embodiment 2 and 1 assembling structure of embodiment are essentially identical, and difference is that the high-pressure electrostatic is inhaled Adsorption device 5 is Double Fields structure, preferably double-section wire-plate formula electric field structure, by discharge electrode 51 (i.e. as the charged section of ionization High-voltage front end) and dust collecting electrode 52 (low pressure rear-end i.e. as dust adsorption zone) be composed.Discharge electrode 51 is printed line knot Structure includes corona wire 512, discharge electrode corona wire hanger bar 514, ground connection pole plate hanging frame 515 and ground connection pole plate 513;Dust Pole 52 is the hardened structure of plate, including collecting polar plate 522, low pressure pole plate 523, collecting polar plate suspension fixed link 524, the suspension of low pressure pole plate Fixed link 525, low pressure pole plate hanging frame 526, low pressure input touch panel 527;Two circuits of high voltage power supply 64 are respectively to electric discharge Pole 51 and the output power supply of dust collecting electrode 52, are built into a complete high pressure by the relatively independent region of the two different function jointly Electrostatic electric field unit, its working principle is that, working gas successively sequentially passes through high-voltage front end discharge electrode and low pressure rear-end collection Dirt pole, the corona wire 512 in the high-voltage front end of printed line structure is the minimum wire of diameter, when applying DC high voltage, meeting Corona discharge is generated, working gas will be ionized therebetween, so that powder dust particle is charged, and the low pressure in the low pressure rear-end of the hardened structure of plate Pole plate 523 is then tabular, and when applying DC low-voltage, corona discharge, but collecting polar plate that can be corresponding will not occur 522 form the applied electric field of certain voltage intensity, and the electrically charged dust or mist of oil particle that have passed through front end ionization exist in this region By heteropolar absorption under Coulomb force effect, so that it is worked to complete haveing suffered for " electric discharge ionization-cloud charging particle-dust absorption " Journey.
The discharge electrode 51 is arranged inside shell 521, and including the ground connection pole plate 513 being placed equidistant with, corona wire 512 is parallel In adjacent two pieces of ground connection pole plate, 513 center, corona wire 512 is that metallic threadlike silk head and the tail both ends pass through two and ground connection pole plate for setting The discharge electrode corona wire hanger bar 514 of 513 insulation (not contacting in embodiment) is fastened, discharge electrode corona wire hanger bar 514 are mounted on ground connection pole plate hanging frame 515, are grounded between pole plate hanging frame 515 and shell 521 and use high-voltage isulation end Installation is fixed in son 53.In embodiment, the ground connection pole plate 513 not with 514 cross-contact of discharge electrode corona wire hanger bar, It hangs fixed link 516 by two (can also be several) ground connection pole plates being arranged perpendicular to this pole plate and is fixed on shell 521, High input voltage presses touch panel 517 and the touching of high voltage power supply High voltage output side pressure to connect.
The dust collecting electrode 52 includes shell 521, several vertical collecting polar plates 522, two neighboring collecting polar plate 522 it Between distance be equally arranged in shell 521, low pressure pole plate 523 it is insulated adaptation be set to two neighboring collecting polar plate 522 Centre, the distance between each low pressure pole plate 523 and the collecting polar plate 522 of its two sides equal, corresponding sides are away from equal.Embodiment In, the collecting polar plate 522 hangs fixed link 524 and is fixed on by two perpendicular (can also be several) collecting polar plates On shell 521, being provided on low pressure pole plate 523 can hold what corresponding collecting polar plate suspension fixed link 524 was passed through in the form of air insulation Hole;Low pressure pole plate 523 is fixed and outstanding by two perpendicular (can also be several) low pressure pole plates suspension fixed links 525 It hangs, the both ends of low pressure pole plate suspension fixed link 525 are connected on corresponding low pressure pole plate hanging frame 526, on collecting polar plate 522 It is provided with the hole that the corresponding low pressure pole plate suspension fixed link 525 is passed through with air insulation, shell 521 and low pressure pole plate hanging frame It is assembled and is fixed with high-voltage isulation terminal 53 between 526, low pressure inputs touch panel 527 and high voltage power supply low-voltage output pressure is touched Connection.
In embodiment, the operation DC voltage of corona wire 512, can be according to heteropolar away from actual conditions tune in certain numerical value section Whole, the operating voltage of low pressure pole plate 523 is also set at certain numerical value section, can be high according to heteropolar away from the corresponding adjustment of actual conditions The output of 64 high and low pressure two-way of voltage source exports contact pin by the insulating sleeve of adaptation, high-low pressure respectively and exports to corona wire 512 DC high voltage exports DC low-voltage to low pressure pole plate 523.
When the two-region in the cavity that the oil flue waste gas aspirated by smoke exhaust fan 3 enters upper body 2 by gas collection petticoat pipe 1 is high When pressing electrostatic field, successively it is introduced into after high-voltage front end discharge electrode windward by low pressure rear-end dust collecting electrode, the corona wire of discharge electrode 51 512 carry out high-voltage corona discharges, and the oil flue waste gas flowed through is carried out corona discharge, then charged, then into remaining certain The low pressure dust collecting electrode of electric field strength carries polar mist of oil particle and is corresponded to opposite electrode attraction trapping, is deposited on pole plate, when Attachment mist of oil increases is left to downwards oil removal net under the effect of gravity, is periodically cleaned high pressure purge device and oil removal net with extensive Multiple existing performance, purified clean flue gas are discharged to outside atmosphere space by smoke exhaust fan 3, avoid 3 He of smoke exhaust fan Fume tube, common flue are contaminated.

Claims (9)

1. a kind of household smoke exhaust ventilator of energy high-efficient purification oil smoke, including gas collection petticoat pipe (1), upper body (2), setting are on top Smoke exhaust fan (3), air outlet (4) and circuit and switch control module in the inner cavity of shell (2), it is characterised in that: further include It can will be adsorbed by the high-pressure electrostatic adsorbent equipment (5) that the oil smoke of smoke exhaust fan (3) suction is charged and captures, the high-pressure electrostatic Device (5) is mounted on the air intake vent of smoke exhaust fan (3), is removably disposed between gas collection petticoat pipe (1) and smoke exhaust fan (3), The high-pressure electrostatic adsorbent equipment (5) includes discharge electrode (51), dust collecting electrode (52) and high-voltage isulation terminal (53);The energy The household smoke exhaust ventilator of purifying oil fume further includes providing the high voltage power supply (64) of high voltage for high-pressure electrostatic adsorbent equipment (5).
2. the household smoke exhaust ventilator of energy high-efficient purification oil smoke as described in claim 1, it is characterised in that: the high-pressure electrostatic is inhaled Adsorption device (5) is single area electric field structure;
The dust collecting electrode (52) include shell (521) and be mounted on smoke exhaust fan (3) air intake vent setting collecting polar plate (522), the collecting polar plate (522) is arranged the inside in shell (521) and is scattered in center to the equidistant electricity of any side Field pipe lattice;
The discharge electrode (51) includes being adapted to be set to above shell (521) to put discharge electrode hanging frame (511), corona wire (512) it is articulated on discharge electrode hanging frame (511) correspondingly with field tube lattice, corona wire (512) pendency is right The each field tube center of a lattice answered.
3. the household smoke exhaust ventilator of energy high-efficient purification oil smoke as claimed in claim 2, it is characterised in that: the field tube lattice are cut Face is square or regular hexagon or circle or polygon.
4. the household smoke exhaust ventilator of energy high-efficient purification oil smoke as described in claim 1, it is characterised in that: the high-pressure electrostatic is inhaled Adsorption device (5) is Double Fields structure;The dust collecting electrode (52) include shell (521), several be connected to shell straight down (521) shell (521) are arranged between two neighboring collecting polar plate (522) in the collecting polar plate (522) on top with being equidistant It is interior, the insulated centre for being adapted to setting with two neighboring collecting polar plate (522) of low pressure pole plate (523) and collecting polar plate (522);
The discharge electrode (51) includes the ground connection being arranged below collecting polar plate (522) correspondingly with collecting polar plate (522) Pole plate (513), ground connection pole plate (513) setting is internal in shell (521), is equipped with therewith among adjacent two pieces of ground connection pole plates (513) Parallel corona wire (512), the corona wire (512) and ground connection pole plate (513), shell (521) insulated setting.
5. the household smoke exhaust ventilator of energy high-efficient purification oil smoke as claimed in claim 4, it is characterised in that: the ground connection pole plate (513) fixed link (516) are hung by the ground connection pole plate vertical with ground connection pole plate (513) and be symmetricly set on shell (521) The ground connection pole plate hanging frame (515) of two sides is fixed, and high pressure is equipped between shell (521) and ground connection pole plate hanging frame (515) Insulated terminal (53);The corona wire (512) passes through the discharge electrode corona wire hanger bar (514) with ground connection pole plate (513) insulation It is fixed, high-voltage isulation terminal (53) are equipped between the hanger bar (514) and shell (521).
6. the household smoke exhaust ventilator of energy high-efficient purification oil smoke as described in any one in claim 1-5, it is characterised in that: the height It is additionally provided with and can be taken out repeatedly in upper body (2) inner cavity between pressure electrostatic adsorption device (5) and the air intake vent of smoke exhaust fan (3) Out, the equal wind porous plate (9) being inserted into.
7. the household smoke exhaust ventilator of energy high-efficient purification oil smoke as described in claim 1, it is characterised in that: the built-in high-voltage electricity The high-voltage electricity source capsule (6) in source (64) may be mounted in the appropriate configuration of kitchen ventilator.
8. the household smoke exhaust ventilator of energy high-efficient purification oil smoke as claimed in claim 2, it is characterised in that: the corona wire (512) shape is prickle formula line or star-like line or twistedwire.
9. the household smoke exhaust ventilator of energy high-efficient purification oil smoke as described in claim 1, it is characterised in that: the high-pressure electrostatic is inhaled Adsorption device (5) is high-pressure mini electric field cleaning module.
CN201822278086.0U 2018-12-29 2018-12-29 A kind of household smoke exhaust ventilator of energy high-efficient purification oil smoke Active CN209577023U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822278086.0U CN209577023U (en) 2018-12-29 2018-12-29 A kind of household smoke exhaust ventilator of energy high-efficient purification oil smoke

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822278086.0U CN209577023U (en) 2018-12-29 2018-12-29 A kind of household smoke exhaust ventilator of energy high-efficient purification oil smoke

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CN209577023U true CN209577023U (en) 2019-11-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022083663A1 (en) * 2020-10-21 2022-04-28 上海必修福企业管理有限公司 Electric field unit assembly and electric field device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022083663A1 (en) * 2020-10-21 2022-04-28 上海必修福企业管理有限公司 Electric field unit assembly and electric field device

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