CN206291283U - A kind of range hood - Google Patents
A kind of range hood Download PDFInfo
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- CN206291283U CN206291283U CN201621431699.8U CN201621431699U CN206291283U CN 206291283 U CN206291283 U CN 206291283U CN 201621431699 U CN201621431699 U CN 201621431699U CN 206291283 U CN206291283 U CN 206291283U
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Abstract
A kind of range hood, including casing, oil smoke suction inlet and oil smoke outlet, casing internal are provided with oil suction cigarette channel, it is characterised in that：The fresh air air inlet for being connected with outdoor and the fresh air air outlet for being connected with interior are additionally provided with the housing, the fresh air channel of fresh air air inlet and fresh air air outlet is communicated with the inside of casing, and fresh air channel is not connected mutually with the oil suction cigarette channel.The utility model has the advantage of：Be integrated in VMC in traditional range hood by the range hood, increased fresh air function enough effectively supplements fresh air, alleviate the environment of kitchen negative pressure, effectively lift smoke absorption effect, and clean air is provided to kitchen, improve cooking environments, while, the fresh air of supplement can effectively improve kitchen oxygen content, contribute to kitchen range to burn and suppression kitchen oxycarbide too high levels.Additionally, range hood can adopt wall-mounted mounting means, solve the problems, such as that VMC is installed complicated.
Description
Technical field
The utility model is related to a kind of range hood.
Background technology
Traditional range hood only has the function of suction oil smoke, and range hood is opened the negative pressure that can be caused in kitchen, drawn
Play outdoor contaminated air and kitchen is clamp-oned by crack between a door and its frame, window crack, so as to cause secondary pollution, also result in the smells such as sewer and fall
Filling enters kitchen, deteriorates Air Quality in Kitchen.At the same time, kitchen range burning needs the oxygen, closed kitchen environment to cause oxygen
Gas content is reduced, and reduces efficiency of combustion, if user's selection windowing ventilation, equally faces outdoor pollutant into the puzzlement in kitchen
And irregular air-flow upsets smoke absorption effect outside window.In addition, traditional range hood cannot be realized after culinary art terminates
The function of purifying air in kitchen.
In order to overcome the drawbacks described above of existing range hood, there has been proposed the design that VMC is installed in kitchen,
As disclosed in the Chinese invention patent of Patent No. ZL 201410080381.9 (Authorization Notice No. is CN 103868187B)
《A kind of kitchen ventilation system based on air curtain and filtering》, the system by fresh air section, air curtain section and exhaustion section constitute.Fresh air section by
Fresh wind port, PM2.5 filters, pressure fan, induction tunnel mend the composition such as wind branch pipe.Air curtain section is by reducer pipe, gas-cooker, angle adjustable
Air curtain, hot air door blowpipe etc. are constituted.Exhaustion section is made up of exhaust hood, unidirectional stop valve, exhaust blower and exhaust outlet.Fresh air mistake
After filter, injector is delivered to all the way and mends wind branch pipe for needed for gas-cooker injection；Deliver to all the way for summer and transition season cooking
Air curtain；In addition hot air door blowpipe is delivered to all the way to adjust air curtain temperature, meet human thermal comfort requirement.Air curtain jet and cigarette
Gas is expelled to outdoor by exhaust hood.Although, the system can play it is heat-insulated, reduce indoor refrigeration duty, improve cooking comfort level and
Health degree, prevent cooking oil smoke from sealing in bedroom parlor, improving the effect such as system efficiency of combustion, be conducive to kitchen to make open type,
But the VMC is arranged on kitchen range top lower section, set with kitchen range and the equal split of range hood, integrated level is poor, installs also more
Trouble.
In addition, also disclosing range hood inside in the prior art can blow out the range hood of fresh air, such as Patent No. ZL
Disclosed in the Chinese utility model patent of 201120448626.0 (Authorization Notice No. is the U of CN 202328439)《One kind can be replaced
For the blower fan apparatus of lampblack absorber》, the blower fan apparatus include being arranged on air channel housing and blower fan above environment-protection oven, and blower fan is set
The side of housing in air channel, is provided with toroidal membrane in the housing of air channel, toroidal membrane by air channel housing be separated into fresh air pipeline and
Conflux flue, and the air outlet of fresh air pipeline is arranged on the bottom of air channel housing, and the opening of air outlet is towards smoke exhaust pipe.The blower fan is filled
When putting work, oil smoke is directly blowed to smoke exhaust pipe by the fresh air of air outlet blowout, and windage is very small, greatlys save electric energy.Thus
It can be seen that, the fresh-air fan of the blower fan apparatus is for accelerating oil smoke to blow to smoke exhaust pipe, although be conducive to improving smoke absorption effect,
But the fresh air of fresh clean can not be conveyed to kitchen, the efficiency of combustion of kitchen range can not be improved.
Utility model content
Technical problem to be solved in the utility model is directed to above-mentioned state of the art, there is provided a kind of simple structure is simultaneously
And the range hood of smoke absorption effect and kitchen range efficiency of combustion can be improved again for kitchen provides fresh air.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：The range hood, including casing, oil smoke
Suction inlet and oil smoke outlet, the casing internal are communicated with the oil suction cigarette channel of oil smoke suction inlet and oil smoke outlet, its
It is characterised by：Fresh air air inlet for being connected with outdoor and new for what is be connected with interior is additionally provided with the housing
Wind air outlet, the fresh air channel of the fresh air air inlet and fresh air air outlet is communicated with the inside of the casing, and described
Fresh air channel is not connected mutually with the oil suction cigarette channel.
Preferably, fume-exhausting blower fan, the air inlet of the fume-exhausting blower fan are installed in the inside of the oil suction cigarette channel
It is connected with the oil smoke suction inlet, the air outlet of the fume-exhausting blower fan is connected with the oil smoke outlet, described new
The inside of wind passage is provided with fresh-air fan, and the air inlet of the fresh-air fan is connected with the fresh air air inlet, described new
The air outlet of wind blower fan is connected with the fresh air air outlet.
Further preferably, the inside of the casing is separated into lower chambers and upper chamber by dividing plate, is opened on the dividing plate
There is the ventilating opening being connected with the air outlet of the fume-exhausting blower fan, the fume-exhausting blower fan is located at the bottom chamber, described
In the upper chamber, the fresh air air outlet is opened in the cavity wall of upper chamber fresh-air fan.
Further preferably, the fresh air air outlet is in the positive cavity wall of the upper chamber.
Fume-exhausting blower fan and fresh-air fan can have various installation sites in casing internal, it is preferable that the fume-exhausting wind
Machine is located at the rear lateral portion of the lower chambers, rear lateral portion of the fresh-air fan located at the upper chamber.
Used as a kind of preferred scheme, the air outlet of the fume-exhausting blower fan is before the air outlet of the fresh-air fan
Side.It is near-suction type oil smoke suction machine that the program is corresponding.
Used as another preferred scheme, the air outlet of the fume-exhausting blower fan is located at a left side for the air outlet of the fresh-air fan
Side or right side.It is top-sucking kitchen ventilator that the program is corresponding.
In order that the blower fan system of VMC and range hood can preferably cooperating, set in the inside of the casing
There are the power supply and control unit for controlling the fume-exhausting blower fan and fresh-air fan.
In order that the fresh air that the output of fresh air air outlet is more cleaned, in air inlet and the fresh air air inlet of the fresh-air fan
Between fresh air channel in be provided with the first filter element, the fresh air between the air outlet and fresh air air outlet of the fresh-air fan
The second filter element is provided with passage.
Preferably, the first described filter element includes primary efficient filter screen and electrostatic depuration unit, and described just imitates
Filter screen is provided close to the side of fresh air air inlet, and the electrostatic depuration unit is provided close to the one of the fresh-air fan air inlet
Side.
Electrostatic depuration unit can use various structures, it is preferable that the electrostatic depuration unit includes base and is arranged on
Outlet housing shell on base, the outlet housing shell has air inlet and air outlet, it is characterised in that：Outside the outlet housing
Shell inside forms charging area near the side of air inlet, and the wire electrode and the first negative plate of positive pole, institute are provided with the charging area
Wire electrode and the spaced distribution of the first negative plate are stated, dust is formed near the side of air outlet in the outlet housing enclosure
Area, is provided with the second negative plate and positive plate, spaced with positive plate and parallel point of second negative plate in the accumulation area
Cloth, the wire electrode and positive plate mutual conduction, first negative plate and the second negative plate mutual conduction.
Further preferably, electrode wire frame and the first conductive pane are additionally provided with the charging area, first conductive pane is leaned on
The air inlet of nearly outlet housing shell, the wire electrode is arranged on the electrode wire frame, and second is additionally provided with the accumulation area
Conductive pane and the 3rd conductive pane, the first carriage and the second carriage, air-out of the 3rd conductive pane near outlet housing shell
Mouthful, second conductive pane is located between the first conductive pane and the 3rd conductive pane, and first carriage and the second carriage set
Between second conductive pane and the 3rd conductive pane, the two opposite sides side of first negative plate is separately mounted to described first
In conductive pane and the second conductive pane, second negative plate is arranged in second conductive pane and the second carriage, it is described just
Pole plate is arranged in the 3rd conductive pane and the first carriage, and connecting wire is passed through between the wire electrode and the 3rd conductive pane
It is conducted.So, after the second conductive pane and the 3rd conductive pane, the first carriage and the second carriage are set in accumulation area, the
Two negative plates are arranged in the second conductive pane and the second carriage, and positive plate is arranged on the 3rd conductive pane and the first carriage
On, positive/negative plate can be made independently to be supported using staggered floor, so as to the probability of conducting failure is greatly reduced, improve electrostatic depuration unit
Reliability.
Further preferably, the electrode wire frame is located between first conductive pane and the second conductive pane, and described first leads
Electric frame is connected by the first connecting pole with electrode wire frame, and the electrode wire frame is connected by the second connecting pole and the second conductive pane
Fixation is connect, second conductive pane is connected by the 3rd connecting pole with first carriage, first carriage leads to
Cross the 4th connecting pole to be connected with second carriage, second carriage is led by the 5th connecting pole with the described 3rd
Electric frame is connected.
In order that the first negative plate, the second negative plate, positive plate can realize Fast Installation, first negative plate with it is described
The first conductive pane and the second conductive pane form grafting and coordinate, second negative plate and second conductive pane, the second support
Frame forms grafting and coordinates, and the positive plate forms grafting and coordinates with the 3rd conductive pane, the first carriage.
Further preferably, the second described filter element is high efficiency particulate air, and the high efficiency particulate air is near described
Fresh air air outlet.
In order to carry out rearmounted purification to the oil smoke that fume-exhausting fan outlet is discharged, in the air outlet of the fume-exhausting blower fan
Electrostatic filter is installed with the oil suction cigarette channel between oil smoke outlet.The electrostatic filter can use with it is above-mentioned
Electrostatic depuration unit identical structure, effectively improves grease separating degree.
Compared with prior art, the utility model has the advantage of：VMC is integrated in traditional suction by the range hood
In lampblack absorber, and the fresh air channel of casing internal is not connected mutually with oil suction cigarette channel, and increased fresh air function is enough effectively supplemented new
Wind, alleviates the environment of kitchen negative pressure, effectively lifts smoke absorption effect, and provides clean air to kitchen, improves cooking environments,
Meanwhile, the fresh air of supplement contributes to kitchen range to burn and suppression kitchen because that can effectively improve kitchen oxygen content rich in oxygen
Oxycarbide too high levels.Additionally, range hood can adopt wall-mounted mounting means, solve VMC and install complicated
Problem.
Brief description of the drawings
Fig. 1 is the structure sectional view of the utility model embodiment one；
Fig. 2 is the mounting structure schematic diagram of the utility model embodiment one；
Fig. 3 is the structural representation of the electrostatic depuration unit of the utility model embodiment；
Fig. 4 is the perspective exploded view of electrostatic depuration unit shown in Fig. 3；
Fig. 5 is the internal structure schematic diagram of electrostatic depuration unit shown in Fig. 3；
Fig. 6 is the mounting structure schematic diagram of the positive/negative plate of electrostatic depuration unit shown in Fig. 3
Fig. 7 is the mounting structure schematic diagram of the utility model embodiment two；
Fig. 8 is the structure sectional view of the utility model embodiment three；
Fig. 9 is the structure sectional view of another angle of the utility model embodiment three；
Figure 10 is the mounting structure schematic diagram of the utility model embodiment three；
Figure 11 is the structure sectional view of the utility model example IV.
Specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one：
As depicted in figs. 1 and 2, the range hood in the present embodiment is near-suction type oil smoke suction machine, and the range hood includes machine
Shell 1 and the exhaust fume collecting hood 18 being provided with below casing, oil smoke suction inlet 2 is on exhaust fume collecting hood 18 and is located above kitchen range 25, exhaust fume collecting hood
Be also equipped with being engaged with oil smoke suction inlet 2 on 18 every smoke background 19, when range hood is opened, automatically turned on every smoke background 19 and revealed
Go out oil smoke suction inlet 2.Oil smoke outlet 3 is provided with check (non-return) valve 20 and oil-smoke expulsion pipe on casing 1 in oil smoke outlet 3
21.Casing 1 has been internally formed oil suction cigarette channel 4, and fume-exhausting blower fan 8 is installed in the inside of oil suction cigarette channel 4, and fume-exhausting blower fan 8 is adopted
With conventional centrifugal blower, the air inlet of fume-exhausting blower fan 8 is connected with oil smoke suction inlet 2, the air outlet of fume-exhausting blower fan 8 and
Oil smoke outlet 3 is connected, and so, oil suction cigarette channel 4 just connects oil smoke suction inlet 2 and oil smoke outlet 3.Said structure is biography
The structure of the near-suction type oil smoke suction machine of system, is no longer developed in details description.
The casing 1 of the range hood is provided with fresh air air inlet 5 and fresh air air outlet 6, and fresh air air inlet 5 connects outdoor,
In the communication chamber of fresh air air outlet 6.Fresh air pipeline 22 is installed on fresh air air inlet 5, the air inlet of fresh air pipeline 22 be provided with into
Gas guard 23.Be communicated with the fresh air channel 7 of fresh air air inlet 5 and fresh air air outlet 6 inside casing 1, and fresh air channel 7 with
Oil suction cigarette channel 4 is not connected mutually.Inside casing 1, the air inlet of fresh-air fan 9 is connected fresh-air fan 9 with fresh air air inlet 5
Logical, the air outlet of fresh-air fan 9 is connected with fresh air air outlet 6.
In the present embodiment, the inside of casing 1 is separated into lower chambers 11 and upper chamber 12 by horizontally disposed dividing plate 10.Inhale
Lampblack fan 8 is provided with dividing plate 10 and gone out with fume-exhausting blower fan 8 in the lower chambers 11 and near the rear wall of lower chambers 11
The ventilating opening (not shown) that air port is connected, fresh-air fan 9 is located in upper chamber 12 and near the rear wall of upper chamber, and
And, the air outlet of fume-exhausting blower fan 8 is located at the front side of the air outlet of fresh-air fan 9.Fresh air air outlet 6 is being opened in upper chamber 12 just
In the cavity wall in face and just to the air outlet of fresh-air fan 9.In addition, being provided with power supply and control unit 13, power supply in the inside of casing 1
And control unit 13 is used for controlling the working condition of fume-exhausting blower fan 8 and fresh-air fan 9.
The first filter element is provided with fresh air channel 7 between the air inlet and fresh air air inlet 5 of fresh-air fan 9,
The second filter element is provided with fresh air channel 7 between the air outlet and fresh air air outlet 6 of fresh-air fan 9.Specifically, the first mistake
Filter unit includes primary efficient filter screen 14 and electrostatic depuration unit 15, and primary efficient filter screen 14 is provided close to fresh air air inlet 5
Side, electrostatic depuration unit 15 is provided close to the side of the air inlet of fresh-air fan 9.In addition, the second filter element is high efficiency filter
Net 16, and high efficiency particulate air 16 is near fresh air air outlet 6.Above-mentioned primary efficient filter screen 14 and high efficiency particulate air 16 are purification filtering neck
The conventional filter in domain, the not reinflated explanation of its concrete structure.
As shown in Figures 3 to 6, electrostatic depuration unit 15 includes base 1501 and outlet housing shell 1502, outlet housing shell
1502 have air inlet and air outlet, and direction shown in arrow A is the air intake direction of clean unit in figure.In outlet housing shell 1502
The internal side near air inlet forms charging area, and dust is formed near the side of air outlet inside outlet housing shell 1501
Area.
Wire electrode 1503, the first negative plate 1504, the conduction of electrode wire frame 1507 and first of positive pole are provided with charging area
Frame 1508., near the air inlet of outlet housing shell 1502, wire electrode 1503 is installed in electrode wire frame 1507 for first conductive pane 1508
It is upper and with the spaced distribution of the first negative plate 1504.The second negative plate 1505, positive plate 1506, second are provided with accumulation area
Conductive pane 1509, the 3rd conductive pane 1510, the first carriage 1511 and the second carriage 1512, the first carriage 1511 and second
Carriage 1512 is insulator.Wherein, the second negative plate 1505 is spaced with positive plate 1506 and parallel distribution, wire electrode
1503 with the mutual conduction of positive plate 1506, the first negative plate 1504 and the mutual conduction of the second negative plate 1505.In the present embodiment, electricity
Polar filament 1503 uses tungsten filament, and after connecing positive pole, can effectively control the generation of ozone.
3rd conductive pane 1510 is located at the first conductive pane near the air outlet of outlet housing shell 1502, the second conductive pane 1509
1508 and the 3rd between conductive pane 1510, and the first carriage 1511 and the second carriage 1512 are located at the second conductive pane 1509 and the
Between three conductive panes 1510, the two opposite sides side of the first negative plate 1504 is separately mounted to the first conductive pane 1508 and the second conduction
On frame 1509, the second negative plate 1505 is arranged in the second conductive pane 1509 and the second carriage 1512, and positive plate 1506 is installed
In the 3rd conductive pane 1510 and the first carriage 1511, connecting wire is passed through between the conductive pane 1510 of wire electrode 1503 and the 3rd
1513 are conducted.
First conductive pane 1508, electrode wire frame 1507, the second conductive pane 1509, the first carriage 1511, the second carriage
1512 and the outlet housing shell 1502 of the 3rd conductive pane 1510 in set gradually along air intake direction, electrode wire frame 1507 is located at first
Between the conductive pane 1509 of conductive pane 1508 and second, the first conductive pane 1508 is by the first connecting pole 1514 and electrode wire frame 1507
It is connected, electrode wire frame 1507 is connected by the second connecting pole 1515 with the second conductive pane 1509, the second conductive pane
1509 are connected by the 3rd connecting pole 1516 with the first carriage 1511, and the first carriage 1511 passes through the 4th connecting pole
1517 are connected with the second carriage 1512, and the second carriage 1512 passes through the 5th connecting pole 1518 and the 3rd conductive pane 1510
It is connected.Also, the first connecting pole 1514, the second connecting pole 1515, the 3rd connecting pole the 1516, the 4th in the present embodiment connect
Connect the connecting pole 1518 of post 1517 and the 5th and be ceramic joining post.Ceramic material is without burning risk, and reliability is high.
In addition, the first negative plate 1504 and the first conductive pane 1508 and the second conductive pane 1509 form grafting coordinating, second
The conductive pane 1509 of negative plate 1505 and second, the second carriage 1512 form grafting and coordinate, the conductive pane of positive plate 1506 and the 3rd
1510th, the first carriage 1511 forms grafting and coordinates, and the first negative plate 1504 after grafting, the second negative plate 1505 and positive pole
Plate 1506 respectively rivets fixation.
During installation, the in-wall mounting mode of traditional range hood is continued to use, two through holes are opened on kitchen furred ceiling 24, respectively
Passed through for supply and discharge fume pipeline 21 and fresh air pipeline 22, oil-smoke expulsion pipe 21 is directly connected or is connected to outdoor air
On common flue, fresh air pipeline 22 is directly connected with outdoor fresh air.
The mode of operation and principle of the range hood are as follows：
1) when, cooking, fume-exhausting blower fan 8 is normally run, and VMC is opened, effect of the outdoor fresh air in fresh-air fan 9
In lower entrance fresh air channel 7, first pass around primary filter net 14 and filter outdoor dust, then filtered by electrostatic depuration unit 15
Outdoor PM2.5, pure air is obtained finally by high efficiency particulate air 16, and is entered in kitchen by fresh air air outlet 6, so that slow
The environment of kitchen negative pressure is solved, smoke absorption effect is effectively lifted, and clean air is provided to kitchen, improve cooking environments, meanwhile,
The fresh air of supplement contributes to kitchen range to burn and suppression kitchen oxidation of coal because that can effectively improve kitchen oxygen content rich in oxygen
Thing too high levels；
2), during non-culinary art, Intelligent Measurement kitchen air quality and oxygen content.If being less than setting value, the low speed of fresh-air fan 9
Low noise is run, and fresh clean air is sent into kitchen；Meanwhile, the low speed bottom noise operation of fume-exhausting blower fan 8, in discharge kitchen
Dirty air.
Embodiment two：
As shown in fig. 7, the range hood of the present embodiment is between the air outlet and oil smoke outlet 3 of fume-exhausting blower fan 8
Electrostatic filter 17 is installed in oil suction cigarette channel 4, the electrostatic filter 17 can be net using the electrostatic in embodiment one
Change unit, thus carry out the grease separating degree of range hood, reduce emission level.Remaining structure of the range hood of the embodiment with
Structure in embodiment one is identical, herein not reinflated description.
Embodiment three：
As shown in Fig. 8 to Figure 10, the range hood of the present embodiment is top-sucking kitchen ventilator, in the top-sucking kitchen ventilator
Also VMC is integrated with, wherein, the air outlet of fume-exhausting blower fan 8 is located at the left side of the air outlet of fresh-air fan 9.In addition, inhaling
Electrostatic depuration is installed in oil suction cigarette channel 4 of the lampblack absorber between the air outlet and oil smoke outlet 3 of the fume-exhausting blower fan 8
Thus device 17, the electrostatic filter 17 can improve range hood using the electrostatic depuration unit in embodiment one
Grease separating degree, reduces emission level.Its mode of operation and principle are identical with the near-suction type oil smoke suction machine in embodiment one, herein
Not reinflated description.
Example IV：
As shown in figure 11, compared with embodiment three, the air-out of range hood in the present embodiment in the fume-exhausting blower fan 8
Electrostatic filter 17 is not installed in oil suction cigarette channel 4 between mouth and oil smoke outlet 3, in remaining structure and embodiment three
Structure is identical, herein not reinflated description.
The foregoing is only preferred embodiment of the present utility model, it is noted that for those of ordinary skill in the art
For, under the premise of principle of the present utility model is not departed from, various remodeling or improvement can be carried out to the utility model, these are equal
It is considered as within protection domain of the present utility model.
Claims (16)
1. a kind of range hood, including casing (1), oil smoke suction inlet (2) and oil smoke outlet (3), set inside the casing (1)
There is the oil suction cigarette channel (4) of connection oil smoke suction inlet (2) and oil smoke outlet (3), it is characterised in that：On the casing (1)
The fresh air air inlet (5) for being connected with outdoor and the fresh air air outlet (6) for being connected with interior are additionally provided with, described
The inside of casing (1) is communicated with the fresh air channel (7) of the fresh air air inlet (5) and fresh air air outlet (6), and the fresh air
Passage (7) is not connected mutually with the oil suction cigarette channel (4).
2. range hood according to claim 1, it is characterised in that：It is provided with the inside of the oil suction cigarette channel (4)
Fume-exhausting blower fan (8), the air inlet of the fume-exhausting blower fan (8) is connected with the oil smoke suction inlet (2), the fume-exhausting wind
The air outlet of machine (8) is connected with the oil smoke outlet (3), and fresh-air fan is provided with the inside of the fresh air channel (7)
(9), the air inlet of the fresh-air fan (9) is connected with the fresh air air inlet (5), the air outlet of the fresh-air fan (9)
It is connected with the fresh air air outlet (6).
3. range hood according to claim 2, it is characterised in that：The inside of the casing (1) is by dividing plate (10) point
Lower chambers (11) and upper chamber (12) are divided into, the air outlet phase with the fume-exhausting blower fan (8) is provided with the dividing plate (10)
The ventilating opening of connection, in the lower chambers (11), the fresh-air fan (9) is on described for the fume-exhausting blower fan (8)
In chamber (12), the fresh air air outlet (6) is opened in the cavity wall of upper chamber (12).
4. range hood according to claim 3, it is characterised in that：The fresh air air outlet (6) is located at the upper chamber
(12) in positive cavity wall.
5. range hood according to claim 3, it is characterised in that：The fume-exhausting blower fan (8) is located at the lower chambers
(11) rear lateral portion, rear lateral portion of the fresh-air fan (9) located at the upper chamber (12).
6. range hood according to claim 5, it is characterised in that：The air outlet of the fume-exhausting blower fan (8) is located at institute
State the front side of the air outlet of fresh-air fan (9).
7. range hood according to claim 5, it is characterised in that：The air outlet of the fume-exhausting blower fan (8) is located at institute
State the left side or right side of the air outlet of fresh-air fan (9).
8. range hood according to claim 2, it is characterised in that：It is provided with for controlling in the inside of the casing (1)
The fume-exhausting blower fan (8) and the power supply and control unit (13) of fresh-air fan (9).
9. the range hood according to any claim in claim 2 to 8, it is characterised in that：In the fresh-air fan
(9) the first filter element is provided with the fresh air channel (7) between air inlet and fresh air air inlet (5), in the fresh-air fan
(9) the second filter element is provided with the fresh air channel (7) between air outlet and fresh air air outlet (6).
10. range hood according to claim 9, it is characterised in that：The first described filter element is included just imitated
Filter screen (14) and electrostatic depuration unit (15), and the primary efficient filter screen (14) is provided close to the side of fresh air air inlet (5), institute
State the side that electrostatic depuration unit (15) is provided close to the fresh-air fan (9) air inlet.
11. range hoods according to claim 10, it is characterised in that：The electrostatic depuration unit (15) is including base
(1501) the outlet housing shell (1502) and on base, the outlet housing shell (1502) is with air inlet and air-out
Mouthful, charging area is formed in the internal side near air inlet of the outlet housing shell (1502), it is provided with positive pole in the charging area
Wire electrode (1503) and the first negative plate (1504), the wire electrode (1503) and spaced point of the first negative plate (1504)
Cloth, accumulation area is formed in the internal side near air outlet of the outlet housing shell (1502), and second is provided with the accumulation area
Negative plate (1505) and positive plate (1506), spaced and parallel point of second negative plate (1505) and positive plate (1506)
Cloth, the wire electrode (1503) and positive plate (1506) mutual conduction, first negative plate (1504) and the second negative plate
(1505) mutual conduction.
12. range hoods according to claim 11, it is characterised in that：Electrode wire frame is additionally provided with the charging area
(1507) and the first conductive pane (1508), first conductive pane (1508) near outlet housing shell (1502) air inlet, institute
Wire electrode (1503) is stated on the electrode wire frame (1507), the second conductive pane (1509) is additionally provided with the accumulation area
With the 3rd conductive pane (1510), the first carriage (1511) and the second carriage (1512), the 3rd conductive pane (1510) leans on
The air outlet of nearly outlet housing shell (1502), second conductive pane (1509) is conductive with the 3rd located at the first conductive pane (1508)
Between frame (1510), first carriage (1511) and the second carriage (1512) located at second conductive pane (1509) with
Between 3rd conductive pane (1510), the two opposite sides side of first negative plate (1504) is separately mounted to first conductive pane
(1508) with the second conductive pane (1509) on, second negative plate (1505) is installed in second conductive pane (1509) and the
On two carriages (1512), the positive plate (1506) is installed in the 3rd conductive pane (1510) and the first carriage (1511)
On, it is conducted by connecting wire (1513) between the wire electrode (1503) and the 3rd conductive pane (1510).
13. range hoods according to claim 12, it is characterised in that：The electrode wire frame (1507) is located at described first
Between conductive pane (1508) and the second conductive pane (1509), first conductive pane (1508) by the first connecting pole (1514) with
Electrode wire frame (1507) is connected, and the electrode wire frame (1507) is by the second connecting pole (1515) and the second conductive pane
(1509) it is connected, second conductive pane (1509) is by the 3rd connecting pole (1516) and first carriage (1511)
It is connected, first carriage (1511) is connected solid with second carriage (1512) by the 4th connecting pole (1517)
Fixed, second carriage (1512) is connected by the 5th connecting pole (1518) and the 3rd conductive pane (1510).
14. range hoods according to claim 12, it is characterised in that：First negative plate (1504) and described
One conductive pane (1508) and the second conductive pane (1509) form grafting and coordinate, and second negative plate (1505) is led with described second
Electric frame (1509), the second carriage (1512) form grafting cooperation, the positive plate (1506) and the 3rd conductive pane
(1510), the first carriage (1511) forms grafting and coordinates.
15. range hoods according to claim 9, it is characterised in that：The second described filter element is high efficiency particulate air
, and the high efficiency particulate air (16) is near described fresh air air outlet (6) (16).
16. range hoods according to claim 9, it is characterised in that：In the air outlet and oil of the fume-exhausting blower fan (8)
Electrostatic filter (17) is installed in oil suction cigarette channel (4) between cigarette outlet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621431699.8U CN206291283U (en) | 2016-12-23 | 2016-12-23 | A kind of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| EP3637001A4 (en) * | 2017-08-23 | 2020-10-07 | Shanghai Duohuan Oil-Smoke Purification Equipment Co., Ltd. | DOUBLE PURPOSE CIRCULATION CLEANER |
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