CN106524261B - A kind of range hood - Google Patents
A kind of range hood Download PDFInfo
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- CN106524261B CN106524261B CN201611138479.0A CN201611138479A CN106524261B CN 106524261 B CN106524261 B CN 106524261B CN 201611138479 A CN201611138479 A CN 201611138479A CN 106524261 B CN106524261 B CN 106524261B
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- Prior art keywords
- smoke
- casing
- condenser
- range hood
- venturi tube
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Classifications
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- 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 invention discloses a kind of range hoods, are related to kitchen ventilator technical field, for solve the problems, such as existing range hood need outdoor unit exchanged heat and sucked oil smoke, steam directly contacted with blower be easy shorten blower service life and invent.Range hood of the present invention, including casing, smoke inlet and outlet flue are offered on casing, smoke inlet is connected to interior, outlet flue is connected to by smoke exhaust pipe with outdoor, flue is equipped in casing, blower is equipped in flue, it further include oil smoke condensation component, it includes the condenser casing being connected to outside casing that oil smoke, which condenses component, condenser is equipped in condenser casing, condenser is connected with evaporator, evaporator is set at smoke inlet, air inlet and exhaust outlet are offered on condenser casing, air inlet is connected to interior, exhaust outlet is connected with heat exchanger tube, heat exchanger tube and smoke exhaust pipe are connected to Venturi tube.The present invention can be used for the processing of kitchen fume.
Description
Technical field
The present invention relates to kitchen ventilator technical field more particularly to a kind of range hoods.
Background technique
With the raising of people's lives level, the improvement of living conditions, range hood becomes the household electric of kitchen indispensability
Device.The effect of range hood be heat, oil smoke, steam in kitchen are taken out toward outdoor, but range hood work when, the oil of suction
Cigarette is needed by centrifugal blower, and the oil smoke and vapor of high temperature can generate certain influence to the service life of centrifugal blower, and
And it is difficult to safeguard centrifugal blower.In addition, the oil smoke of discharge outdoor will cause certain pollution to atmospheric environment.It takes out at present
The development center of gravity of kitchen ventilator industry has more been placed on how the oil smoke in kitchen to be discharged, and exists not in terms of the purification of oil smoke
Foot.
A kind of existing range hood is as depicted in figs. 1 and 2, comprising: casing 011, by centrifugal motor 012, centrifugal
The fume-exhausting system 01 and refrigeration system 02, electric control system of wind wheel 013, discharge chamber composition, refrigeration system 02 include peace
Mounted in the compressor 021 of outdoor unit 0100, condenser 022, axis galvanic electricity machine 023 and axial-flow leaf 024, it is mounted on range hood
The indoor evaporator 025 of heat exchange before top and discharge chamber, the through-flow fan blade 026 and motor 027 of 025 lower section of evaporator,
Heat-exchanging chamber and panel interlayer, left side plate interlayer collectively constitute cold wind chamber, and the blast pipe 028 of cold wind chamber is arranged in heat-exchanging chamber
Top, air outlet 029 is arranged in below the interlayer of panel and left side plate.The kitchen ventilator at work, oil flue waste gas from
Outdoor is discharged through air duct 015, by discharge pipe 016 in center collection chamber 014, and the air and evaporator 025 into heat-exchanging chamber carry out
After heat exchange cooling down, a part is directly discharged by cold wind chamber from panel bottom, and another part is entered by panel two sides diversion trench
Mouth to left and right side plate bottom air outlet 029 be discharged.
At least there are the following problems for existing range hood: during the work time, which needs outdoor unit
0100 carries out the heat exchange of condenser 022, will lead to that its occupied space is big, installation is inconvenient in this way.In addition, though the fume-exhausting
Outdoor can be discharged in oil smoke, vapor etc. by machine, but it does not carry out purified treatment, oil smoke to oil smoke for entering range hood etc.
Deng directly contacting with centrifugal type wind wheel 013, it is easy to influence the service life of centrifugal type wind wheel 013.
Summary of the invention
The embodiment of the present invention provides a kind of range hood, does not need setting outdoor unit not only to carry out changing for condenser
Heat, but also the influence of oil smoke, steam to service life of fan can be reduced.
In order to achieve the above objectives, it the embodiment provides a kind of range hood, including casing, is opened on the casing
Equipped with smoke inlet and outlet flue, the smoke inlet is connected to interior, and the outlet flue is connected to by smoke exhaust pipe with outdoor, the machine
It is equipped with flue in shell, is equipped with blower in the flue, further includes oil smoke condensation component, the oil smoke condensation component includes being connected to
Condenser casing outside the casing, the condenser casing is interior to be equipped with condenser, and the condenser is connected with evaporator, institute
State evaporator to be set at the smoke inlet, offer air inlet and exhaust outlet on the condenser casing, the air inlet with
Indoor connection, the exhaust outlet are connected with heat exchanger tube, and the heat exchanger tube and the smoke exhaust pipe are connected to Venturi tube, when described
When the gas of smoke exhaust pipe discharge is by the Venturi tube, indoor air-flow can be pumped by the suction that the Venturi tube generates
It radiates in the condenser casing to the condenser and the air-flow after heat exchange is extracted into outdoor.
Range hood provided in an embodiment of the present invention has the advantages that since outlet flue passes through smoke exhaust pipe and room on casing
Outer connection, the exhaust outlet on condenser casing are connected with heat exchanger tube, and heat exchanger tube and smoke exhaust pipe are connected to Venturi tube, in this way when
It, will be along smoke exhaust pipe by Venturi tube, so that Venturi tube be made to generate from outlet flue discharge gas when range hood works
Indoor gas can be pumped into the inner cavity of condenser casing cold to be used for by certain suction, this suction from air inlet
The heat dissipation of condenser, and enter the gas after condenser exchanges heat in Venturi tube along heat exchanger tube, finally by venturi
Pipe is discharged to outdoor.Condenser is by the suction that generates when Venturi tube using the mixed gas of smoke exhaust pipe discharge by gas in this way
Body is pumped into condenser casing and radiates to it, scattered without carrying out using individual blower condenser setting in outdoor
Heat, for range hood there is no need to which outdoor unit is arranged to radiate to condenser, the occupancy for reducing range hood is empty as a result,
Between, facilitate its installation；Due to being provided with evaporator, oil smoke, steam and the evaporation being pumped into this way by smoke inlet in smoke inlet
Heat exchange occurs for device, reduces the temperature of oil smoke, steam, makes oil smoke, steam generation condensation, not only reduces oil smoke, steam pair
The influence of service life of fan, and make to be drained into outdoor oil smoke amount reduction, to reduce the influence to ambient enviroment.
In addition, evaporator can also absorb a large amount of waste heat generated in cooking process, heat is passed into condenser by coolant loop,
It finally is discharged into outdoor with the radiating airflow of condenser, so that kitchen temperature be avoided to increase.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of extractor hood structure schematic diagram of the prior art；
Fig. 2 is a kind of structural schematic diagram of the refrigeration system of range hood of the prior art；
Fig. 3 is the structural schematic diagram of the range hood in the embodiment of the present invention；
Fig. 4 be the embodiment of the present invention in range hood in Venturi tube structural schematic diagram；
Fig. 5 is the structural schematic diagram of the evaporator in the range hood in the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It is right
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Referring to Fig. 3, range hood in the embodiment of the present invention, including casing 1 offers smoke inlet 11 on casing 1 and goes out
Mouth 12, smoke inlet 11 are connected to interior, and outlet flue 12 is connected to by smoke exhaust pipe 2 with outdoor, and flue 13, cigarette are equipped in casing 1
It is equipped with blower 3 in road 13, further includes oil smoke condensation component, it includes being connected to outside the condenser outside casing 1 that oil smoke, which condenses component,
Shell 4, condenser casing 4 is interior to be equipped with condenser 41, and condenser 41 is connected with evaporator 6, and evaporator 6 is set at smoke inlet 11,
Air inlet 42 and exhaust outlet 43 are offered on condenser casing 4, air inlet 42 is connected to interior, and exhaust outlet 43 is connected with heat exchanger tube
7, heat exchanger tube 7 and smoke exhaust pipe 2 are connected to Venturi tube 8, when the gas that smoke exhaust pipe 2 is discharged passes through Venturi tube 8, venturi
Indoor air-flow can be pumped into condenser casing 4 by the suction that pipe 8 generates to radiate to condenser 41 and by the air-flow after heat exchange
It is extracted into outdoor.
Since outlet flue 12 is connected to outdoor by smoke exhaust pipe 2 on casing 1, the connection of exhaust outlet 43 on condenser casing 4
There is heat exchanger tube 7, heat exchanger tube 7 and smoke exhaust pipe 2 are connected to Venturi tube 8, in this way when range hood works, from 12 row of outlet flue
Gas will be along smoke exhaust pipe 2 by Venturi tube 8 out, so that Venturi tube 8 be made to generate certain suction, this suction can
Indoor gas is used for the heat dissipation of condenser 41 from being pumped into the inner cavity of condenser casing 4 from air inlet 42, and make through
It crosses the gas after condenser 41 exchanges heat to enter in Venturi tube 8 along heat exchanger tube 7, outdoor is finally discharged to by Venturi tube 8.This
Sample condenser 41 is that gas is pumped by the mixed gas being discharged using smoke exhaust pipe 2 by the suction generated when Venturi tube 8
It radiates in condenser casing 4 and to it, it is not necessary that the setting of condenser 41 is radiated in outdoor using individual blower 3,
Range hood reduces the occupied space of range hood there is no need to which outdoor unit is arranged to radiate to condenser 41 as a result,
Facilitate its installation；Due to being provided with evaporator 6, oil smoke, steam and the steaming being pumped into this way by smoke inlet 11 in smoke inlet 11
It sends out device 6 and heat exchange occurs, reduce the temperature of oil smoke, steam, make oil smoke, steam generation condensation, not only reduce oil smoke, steam
Influence to 3 service life of blower, and make to be drained into outdoor oil smoke amount reduction, to reduce the shadow to ambient enviroment
It rings.In addition, evaporator 6 can also absorb a large amount of waste heat generated in cooking process, heat is passed to by coolant loop cold
Condenser 41 is finally discharged into outdoor with the radiating airflow of condenser 41, so that kitchen temperature be avoided to increase.
Wherein, heat exchanger tube 7, smoke exhaust pipe 2 and the connection type of Venturi tube 8 be not unique, such as heat exchanger tube 7, smoke exhaust pipe 2
Can be following connection type with Venturi tube 8: the one end of smoke exhaust pipe 2 far from casing 1 be docked with the first end of Venturi tube 8,
The second end of Venturi tube 8 is connected to outdoor, and heat exchanger tube 7 is arranged in smoke exhaust pipe 2, and the outer wall of heat exchanger tube 7 is interior with smoke exhaust pipe 2
Ventilation gap is formed between wall.Gaseous mixture in this connection type containing oil smoke, steam (not condensed on a small quantity by evaporator 6)
Body is entered in Venturi tube 8 by ventilation gap, and the recuperated gas of condenser 41 is the heat exchanger tube by being arranged in smoke exhaust pipe 2
7 are drawn into Venturi tube 8.
In addition, as shown in figure 3, heat exchanger tube 7, smoke exhaust pipe 2 and Venturi tube 8 or following connection type: heat exchanger tube 7
One end far from condenser casing 4 is docked with the first end (right end of Venturi tube 8 in figure) of Venturi tube 8, Venturi tube 8
Second end (left end of Venturi tube 8 in figure) is connected to outdoor, and smoke exhaust pipe 2 is arranged in heat exchanger tube 7, the outer wall 21 of smoke exhaust pipe 2
Ventilation gap 72 is formed between the inner wall 71 of heat exchanger tube 7.The exchanging air of condenser 41 in this connection type shown in Fig. 3
Body is inhaled into Venturi tube 8 by ventilation gap 72, and the mixed gas containing oil smoke, steam is by being arranged in heat exchanger tube 7
Interior smoke exhaust pipe 2 enters in Venturi tube 8.It is arranged in this connection type in smoke exhaust pipe 2 compared to heat exchanger tube 7, shown in Fig. 3
This connection type in, when mixed gas passes through literary mound standpipe, the negative pressure that Venturi tube 8 generates is the tube wall most narrow in section
Near, relatively close to the outlet of the ventilation gap 72 of annular, the suction that mound standpipe literary in this way generates is easier to lead to negative pressure region
41 recuperated gas of condenser in wind gap 72 is pumped into wherein.
In order to improve literary mound standpipe to 41 recuperated gas extraction amount of condenser, to make condenser 41 preferably radiate, such as
Shown in Fig. 3, it is preferable that smoke exhaust pipe 2 is protruded into far from one end of casing 1 in the first end of Venturi tube 8, and with Venturi tube 8
Ventilation gap 72 is formed between inner wall.When the mixed airflow that smoke exhaust pipe 2 is discharged passes through Venturi tube 8, it can be cut in Venturi tube 8
The most narrow place in face is formed about a negative pressuren zone, if the one end of smoke exhaust pipe 2 far from casing 1 is farther out from negative pressuren zone, can make ventilation cell
The outlet of gap 72 farther out from negative pressuren zone, influences whether therefore extraction of the literary mound standpipe to 41 recuperated gas of condenser will arrange in this way
Smoke pipe 2 is protruded into far from one end of casing 1 in the first end of Venturi tube 8, and the outlet of ventilation gap 72 can be made close to negative pressuren zone,
Literary mound standpipe is capable of increasing to the extraction force of 41 recuperated gas of condenser, so that the extraction amount of 41 recuperated gas of condenser is improved,
Guarantee the abundant heat dissipation of condenser 41.
Referring to fig. 4, Venturi tube 8 includes shrinking pipeline section 81, neck tube section 82 and diffusion pipeline section 83, shrinks pipeline section 81 and diffusion
The tapered shape of the inner tubal wall of pipeline section 83, the inner tubal wall of neck tube section 82 is cylindrical, the both ends nozzle of neck tube section 82 respectively with contraction
The small end nozzle 811 of pipeline section 81, the small end nozzle 831 for spreading pipeline section 83 are connected, and spread big end nozzle 832 and the room of pipeline section 83
Outer connection.Mixed gas enters the contraction pipeline section of Venturi tube 8 after spraying from 2 smoke exhaust pipe 2 of smoke exhaust pipe far from one end of casing 1
81, the caliber for shrinking pipeline section 81 is gradually reduced, and the flow velocity of mixed gas is getting faster, when mixed gas enters neck tube section 82
Flow velocity reaches maximum, and pressure is minimum, in neck tube section 82 and shrinks 81 junction of pipeline section formation, one negative pressuren zone, which can
41 recuperated gas of condenser in ventilation gap 72 is pumped into Venturi tube 8.After mixed gas flows into diffusion pipeline section 83
With being gradually expanded for caliber, flow velocity is reduced, and last mixed gas flows to outdoor by the diffusion pipeline section 83 of Venturi tube 8.
Wherein, in 8 structural parameters of Venturi tube contraction pipeline section inner tubal wall cone angle, spread pipeline section inner tubal wall cone angle and
Flow velocity, pressure and the Venturi tube 8 for the mixed gas that smoke exhaust pipe 2 is discharged in the length of neck tube section 82 are to 41 exchanging air of condenser
The certain influence of the generations such as the suction amount of body.As shown in figure 4, in the case where 8 liang of pipe nipple internal diameters of Venturi tube remain unchanged,
The cone angle for shrinking 81 inner tubal wall of pipeline section should not be too large or too small, if α is too small, can make the length L for shrinking pipeline section 81 in this way2It crosses
Long, the suction that Venturi tube 8 generates is too small, while increasing the occupied space of Venturi tube 8 again；If α is excessive, mixed gas
It is bigger by pressure loss when Venturi tube 8, by when resistance ratios it is larger, be unfavorable for the discharge of mixed gas, as a result, α model
Preferably 20 °≤α≤30 ° are enclosed, not only improve the smooth discharge of mixed gas in smoke exhaust pipe 2 in this way, and Venturi tube 8 can be made to produce
Raw preferable vacuum effect, so as to increase Venturi tube 8 to the extracted amount of 41 recuperated gas of condenser.
The cone angle of diffusion 83 inner tubal wall of pipeline section is that β also should not be too large or too small, if β is excessive, makes the length for spreading pipeline section 83
Spend L3It is too short, be unfavorable for reduce mixed gas outflow neck tube section 82 when flow velocity and turbulence intensity, mixture pressure loss compared with
Greatly, to be unfavorable for the smooth discharge of mixed gas；If β is too small, the length L for spreading pipeline section 83 can be made3It is too long, it increases
The occupied space of Venturi tube 8, β range preferably 5 °≤β≤10 °, guarantee that mixed gas moves smoothly through venturi so as a result,
Pipe 8 has and avoids making the length of diffusion pipeline section 83 too long.
Further, compared to α, β parameter of Venturi tube 8, the length of neck tube section 82 be L in the pipe of Venturi tube 8 most
The flow rate effect of gas is relatively small in small pressure, Venturi tube 8, but in order to which the mixed gas that smoke exhaust pipe 2 is discharged is passing through
Flow field when Venturi tube 8 is stablized, and the value of L is unsuitable too small, in order to avoid keeping the length of Venturi tube 8 too long to increase occupancy
The value in space, L should not be too large, and therefore, the preferred D≤L of the range of L≤2D, in this way setting can both guarantee mixed gas flow field
Stablize, and reduces the occupied space of Venturi tube 8.
In order to make extraction of the Venturi tube 8 preferably to 41 recuperated gas of condenser, as shown in Figure 3, it is preferable that row
One end of the separate casing 1 of smoke pipe 2 is equipped with oil smoke nozzle 22, and oil smoke nozzle 22, which is located at, to be shunk outside pipeline section 81.Oil smoke nozzle 22 sprays
Mixed gas out is spread to the tube wall of Venturi tube 8, so that gas piston is formed, with becoming smaller for 8 caliber of Venturi tube, gas
The flow velocity of body increases, and forms negative pressuren zone close to the position of tube wall behind gas piston, negative pressuren zone is to condenser in ventilation gap 72
41 recuperated gas generates suction and recuperated gas is pumped into Venturi tube 8.
Referring to fig. 4, the size of 22 internal diameter of oil smoke nozzle has one to the extraction of the recuperated gas of condenser 41 to Venturi tube 8
Fixed influence, if internal diameter d > D of oil smoke nozzle 22, the speed on the one hand making oil smoke nozzle 22 spray mixed gas reduces (cigarette
The internal diameter of oil smoke nozzle 22 is bigger in the case that road 13 inner blower, 3 exhaust air rates are certain, and the speed that mixed gas sprays is smaller), drop
On the other hand the low suction of Venturi tube 8 can make the discharge area of ventilation gap 72 as internal diameter d > D of oil smoke nozzle 22
It is too small, extraction of the Venturi tube 8 to the radiator gas of condenser 41 is influenced, the internal diameter d of oil smoke nozzle 22 is made to meet d as a result,
≤ D not only increases the flow velocity for the mixed gas that oil smoke nozzle 22 sprays, to increase the suction of Venturi tube 8, but also makes to lead to
Wind gap 72 keeps certain discharge area, to be conducive to the heat dissipation gas that Venturi tube 8 extracts more condensers 41
Guarantee the abundant heat dissipation of condenser 41；End face distance L of the vents face of oil smoke nozzle 22 to the big end nozzle for shrinking pipeline section 811
Also there is certain influence to the extraction of the recuperated gas of condenser 41 to Venturi tube 8, if L1It is excessive, in Venturi tube 8
The negative pressuren zone of generation is distant with a distance from oil smoke nozzle 22, keeps the outlet of ventilation gap 72 distant with a distance from negative pressuren zone,
Extraction of the Venturi tube 8 to the heat dissipation gas of condenser 41 is influenced whether in this way, makes L as a result,1Meet: 0≤L1≤ d/2, can be with
Make the outlet of ventilation gap 72 close to the negative pressuren zone of Venturi tube 8, to increase the extraction amount to the recuperated gas of condenser 41.
In order to which the oil smoke, the steam that are pumped into blower 3 sufficiently condense, as shown in Figure 3 and Figure 5, it is preferable that set at smoke inlet 11
Have a smoke deflector 5, smoke deflector 5 is hollow structure, evaporator 6 be set to the cavity 51 inside smoke deflector 5 Nei and in cavity 51
The thermally conductive connection of wall can increase the contact area with oil smoke, steam in this way, heat exchange efficiency be improved, specifically, when range hood work
When making, oil smoke and steam flow through smoke deflector 5 under the action of blower 3, come into full contact with the front of smoke deflector 5 and pass through smoke deflector
5 occur heat exchange, a part of oil smoke and steam in the front condensation of smoke deflector 5, the not condensed oil of another part with evaporator 6
Cigarette and steam enter the back of smoke deflector 5 through the slit of 5 surrounding of smoke deflector, touch and carry out secondary with the back face of smoke deflector 5
Condensation improves the heat exchange efficiency of oil smoke, steam and evaporator 6 by condensing twice, further improves oil smoke and steam
Condensation rate.
In addition, by the evaporator with refrigerating function is provided in the smoke deflector 5 nearest from culinary art heat source, oil smoke, steam
6, the intermediate conduction link of heat transmitting is shortened, heat can be sent to by the refrigerant suction in evaporator 6 and by compressor rapidly
Condenser 41, heat by blower 3 are pumped into flue 13 after being taken away by the heat exchange air-flow of condenser 41, and finally discharge is outdoor.Evaporator 6
Compressor both ends are connected to by copper pipe between condenser 41, refrigerant is under the action of compressor in evaporator 6 and condensation
Cycle heat exchange between device 41.
Wherein, evaporator 6 can directly be contacted with the inner wall of the cavity 51 of smoke deflector 5, in addition, evaporator 6 and cavity 51
Inner wall between can also be filled with Heat Conduction Material.It is directly contacted compared to the inner wall of cavity 51, in evaporator 6 and cavity 51
Heat Conduction Material is filled between inner wall, evaporator 6 can be made to come into full contact with Heat Conduction Material in this way, and the absorbed oil smoke of smoke deflector 5 steams
The heat of vapour can be fully absorbed by Heat Conduction Material by evaporator 6, avoid evaporator 6 and 51 inner wall contact area of cavity is small
Caused by heat exchange it is insufficient.
In order to improve the heat transfer efficiency between evaporator 6 and smoke deflector 5, as shown in figure 5, evaporator 6 is preferably embedded at
U-shaped coil pipe in smoke deflector 5.Evaporator 6 is designed to the shape of U-shaped coil pipe, be conducive to increase evaporator 6 and Heat Conduction Material it
Between contact area, and then the heat transfer efficiency between evaporator 6 and smoke deflector 5 can be improved.
Referring to Fig. 3, the oil smoke and steam condensed on smoke deflector 5 can form oil droplet and water droplet under gravity, and suitable
Smoke deflector 5 to flow down, the lower section of smoke deflector 5 is provided with lubricating cup 9, and the lower edge phase of the opening of lubricating cup 9 and smoke deflector 5
Right, such lubricating cup 9 can be used to receive the oil droplet and water droplet to drip from smoke deflector 5, so that oil droplet and water droplet be avoided to pollute
Ambient enviroment.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of range hood, including casing, offer smoke inlet and outlet flue on the casing, the smoke inlet and it is indoor even
Logical, the outlet flue is connected to by smoke exhaust pipe with outdoor, and flue is equipped in the casing, and blower is equipped in the flue, special
Sign is, further includes oil smoke condensation component, and the oil smoke condensation component includes the condenser casing being connected to outside the casing,
Condenser is equipped in the condenser casing, the condenser is connected with evaporator, and the evaporator is set to the smoke inlet
Locate, air inlet and exhaust outlet are offered on the condenser casing, the air inlet is connected to interior, and the exhaust outlet is connected with
Heat exchanger tube, the heat exchanger tube and the smoke exhaust pipe are connected to Venturi tube, when the gas of smoke exhaust pipe discharge is described in
When Venturi tube, indoor air-flow can be pumped into the condenser casing to described cold by the suction that the Venturi tube generates
Condenser radiates and the air-flow after heat exchange is extracted into outdoor.
2. range hood according to claim 1, which is characterized in that the heat exchanger tube far from the condenser casing one
End is docked with the first end of the Venturi tube, and the second end of the Venturi tube is connected to outdoor, and the smoke exhaust pipe is arranged in
In the heat exchanger tube, ventilation gap is formed between the outer wall of the smoke exhaust pipe and the inner wall of the heat exchanger tube.
3. range hood according to claim 2, which is characterized in that the smoke exhaust pipe is protruded into far from one end of the casing
In the first end of the Venturi tube, and ventilation gap is formed between the inner wall of the Venturi tube.
4. range hood according to claim 3, which is characterized in that the Venturi tube includes shrinking pipeline section, neck tube section
With diffusion pipeline section, the tapered shape of inner tubal wall for shrinking pipeline section and the diffusion pipeline section, the inner tubal wall of the neck tube section is in circle
Column, the both ends nozzle of the neck tube section is connected with the small end nozzle of the contraction pipeline section, the diffusion pipeline section respectively, described
The big end nozzle for spreading pipeline section is connected to outdoor.
5. range hood according to claim 4, which is characterized in that the cone angle of the inner tubal wall for shrinking pipeline section is α, institute
It states α to meet: 20 °≤α≤30 °；The cone angle of the inner tubal wall of the diffusion pipeline section is β, and the β meets: 5 °≤β≤10 °；The neck
The pipe wall internal diameters of pipeline section are D, and the length of the neck tube section is L, and the L meets: D≤L≤2D.
6. range hood according to claim 5, which is characterized in that one end far from the casing of the smoke exhaust pipe is set
There is oil smoke nozzle, the oil smoke nozzle is located at outside the contraction pipeline section, and the internal diameter of the oil smoke nozzle is d, the d≤D；It is described
The end face distance of the vents face of oil smoke nozzle to the big end nozzle for shrinking pipeline section is L1, the L1Meet: 0≤L1≤d/
2。
7. range hood described according to claim 1~any one of 6, which is characterized in that be equipped at the smoke inlet and lead cigarette
Plate, the smoke deflector be hollow structure, the evaporator be set to the cavity inside the smoke deflector Nei and with the cavity
The thermally conductive connection of inner wall.
8. range hood according to claim 7, which is characterized in that filled out between the evaporator and the inner wall of the cavity
Filled with Heat Conduction Material.
9. range hood according to claim 7, which is characterized in that the evaporator is to be embedded in the smoke deflector
U-shaped coil pipe.
10. range hood according to claim 7, which is characterized in that the lower section of the smoke deflector is equipped with lubricating cup, the oil
The opening of cup is opposite with the lower edge of the smoke deflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611138479.0A CN106524261B (en) | 2016-12-12 | 2016-12-12 | A kind of range hood |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611138479.0A CN106524261B (en) | 2016-12-12 | 2016-12-12 | A kind of range hood |
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| Publication Number | Publication Date |
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| CN106524261A CN106524261A (en) | 2017-03-22 |
| CN106524261B true CN106524261B (en) | 2019-04-05 |
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| CN201611138479.0A Active CN106524261B (en) | 2016-12-12 | 2016-12-12 | A kind of range hood |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253494B (en) * | 2018-03-07 | 2023-01-03 | 佛山市云米电器科技有限公司 | Oil smoke separating device for quickly separating oil smoke and range hood |
| CN112128737A (en) * | 2019-08-30 | 2020-12-25 | 韩保刚 | Energy-saving flue gas waste heat recovery pipeline and method |
| CN111076257B (en) * | 2020-01-10 | 2021-10-22 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN114733311B (en) * | 2022-04-15 | 2023-01-10 | 杭州老板电器股份有限公司 | Fume exhauster |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2555799A (en) * | 1999-01-27 | 2000-11-10 | George Wegler | Arrangement for air evacuation |
| CN2386352Y (en) * | 1999-06-09 | 2000-07-05 | 唐长华 | Injection cooker hood |
| CN204421120U (en) * | 2014-12-25 | 2015-06-24 | 广东万和电气有限公司 | Forced condensation formula range hood |
| CN205402826U (en) * | 2016-02-05 | 2016-07-27 | 珠海格力电器股份有限公司 | Range hood |
| CN105605638A (en) * | 2016-02-05 | 2016-05-25 | 珠海格力电器股份有限公司 | Range hood |
-
2016
- 2016-12-12 CN CN201611138479.0A patent/CN106524261B/en active Active
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| CN106524261A (en) | 2017-03-22 |
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