CN106594822B - Range hood and thermal cleaning system for it - Google Patents
Range hood and thermal cleaning system for it Download PDFInfo
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- CN106594822B CN106594822B CN201610912622.0A CN201610912622A CN106594822B CN 106594822 B CN106594822 B CN 106594822B CN 201610912622 A CN201610912622 A CN 201610912622A CN 106594822 B CN106594822 B CN 106594822B
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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
- F24C15/2057—Removing cooking fumes using a cleaning liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a kind of range hood and for its thermal cleaning system, the thermal cleaning system includes: the water tank for containing water；And nozzle, it is connected between the nozzle and the water tank by steam generation access and for water passage to spray by steam and the mixed cleaning fluid of hot water.Thermal cleaning system according to an embodiment of the present invention, by the position to be cleaned for being ejected to range hood by nozzle by high temperature and high pressure steam that steam generation access generates and for the water of water passage conveying, since vapor (steam) temperature height can effectively hold carburetion dirt, the water droplet of high speed has biggish kinetic energy that can form higher scouring force simultaneously, therefore can achieve preferable cleaning effect.
Description
The application be the applying date be on December 24th, 2012, application No. is " 2012105697997 ", entitled " fume-exhaustings
The divisional application of the patent application of machine and thermal cleaning system for it ".
Technical field
The present invention relates to kitchen and bath's appliance fields, more particularly, to a kind of thermal cleaning system for range hood and have it
Range hood.
Background technique
The water cleaning technique of traditional range hood has cold water wash technology and thermal cleaning technology.Thermal cleaning system is mainly by water
Case, water pump, steam generator, jet pipe composition can realize steam clean or hot water cleaning respectively.However, when the steaming for using high pressure
When vapour cleans, steam can only melt surface oil product, and the oil product punching that scouring capability is not enough to melt is de-.It is cleaned when using hot water
When, and there is the output insufficient problem of heat hydraulic pressure.All there is scouring capability deficiency in two kinds of cleaning programs, cleaning effect is bad to ask
Topic
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, one object of the present invention
It is to propose a kind of thermal cleaning system for range hood, the cleaning effect of the thermal cleaning system is more preferable.
It is another object of the present invention to propose a kind of range hood with the thermal cleaning system.
The thermal cleaning system for range hood of embodiment according to a first aspect of the present invention, comprising: for containing water
Water tank；And nozzle, it is connected between the nozzle and the water tank by steam generation access and for water passage to spray by steaming
Vapour and the mixed cleaning fluid of hot water；Connecting tube, the connecting tube includes first to third pipe fitting, wherein the steam is sent out
Raw access and it is described for water passage by the connecting tube respectively to the nozzle conveying steam and the hot water, the company
Adapter tube is the first tee tube；The steam generation access includes: the first water pump and steam generator being connected to the water tank, institute
The entrance for stating steam generator is connected to first water pump, and outlet is connected with the first pipe fitting of the connecting tube, wherein
Described for water passage includes: third tee tube, and the third tee tube has the 7th to the 9th pipe fitting, and the described 7th and the 8th
Pipe fitting is connected to first water pump and the steam generator, and the 9th pipe fitting is connected to described by pressure check valve
Second pipe fitting of connecting tube.
Thermal cleaning system according to an embodiment of the present invention is steamed by the high temperature and pressure for being generated steam generation access by nozzle
Vapour and the position to be cleaned that range hood is ejected to for the water of water passage conveying, since vapor (steam) temperature height can effectively hold carburetion dirt,
The water droplet of high speed has biggish kinetic energy that can form higher scouring force simultaneously, therefore can achieve preferable cleaning effect.
In addition, the thermal cleaning system according to the present invention for range hood also has following additional technical feature:
In some embodiments of the invention, the pressure check valve includes: valve body, is limited coaxially in the valve body
The diameter of the first straight tube chamber, Taper Pipe chamber and the second straight tube chamber sequentially formed, the second straight tube chamber is less than first straight tube
The diameter of chamber, the first straight tube chamber is connected to the 9th pipe fitting, and the first end of the valve body is formed with the first opening,
First opening is connected to the second straight tube chamber；Valve seat, the second end in the valve seat are fastened on the first of the valve body
Accommodation space is limited on end and with the valve body, and the first end of the valve seat is formed with third straight tube chamber, the third is straight
Lumen is connected to by water hole with the accommodation space and the second pipe fitting of the third straight tube chamber and the connecting tube, wherein
The diameter in the water hole is 2-3mm；And sport ball, the sport ball are located in the accommodation space and by being located at itself and valve
Spring between seat stops the exit for being against the second straight tube chamber.
The range hood of embodiment according to a second aspect of the present invention, comprising: casing, the casing is interior to have side open
Oil smoke suction chamber；Cover, the cover close the side of the casing；Blower, the blower are located at the oil smoke absorbing chamber
It is indoor；And the thermal cleaning system for range hood of embodiment, the thermal cleaning system are set according to a first aspect of the present invention
In the oil smoke absorbing chamber room.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the schematic diagram of the thermal cleaning system of one embodiment according to the present invention；
Fig. 2 is the schematic diagram of the thermal cleaning system of second embodiment according to the present invention；
Fig. 3 is the schematic diagram of the thermal cleaning system of third embodiment according to the present invention；
Fig. 4 is the cross-sectional view of the pressure check valve in thermal cleaning system shown in Fig. 3；
Fig. 5 is the schematic diagram of the thermal cleaning system of the 4th embodiment according to the present invention；
Fig. 6 is the cross-sectional view of the connecting tube in thermal cleaning system shown in Fig. 5；
Fig. 7 is the schematic diagram of the thermal cleaning system of the 5th embodiment according to the present invention；
Fig. 8 is the explosive view of range hood according to an embodiment of the present invention.
Appended drawing reference:
100, thermal cleaning system；200, casing；300, cover；400, blower；
1, water tank；2, nozzle；
3, steam generation access；31, the first water pump；32, steam generator；
4, for water passage；
41, the second water pump；42, the second tee tube；
421, the 4th pipe fitting；422, the 5th pipe fitting；423, the 6th pipe fitting；
43, pressure check valve；
431, valve body；4311, the first straight tube chamber；4312, canalis spinalis chamber；
4313, the second straight tube chamber；4314, the first opening；
432, valve seat；4321, third straight tube chamber；A, water hole；
433, accommodation space；434, sport ball；435, spring；
44, third tee tube；
441, the 7th pipe fitting；442, the 8th pipe fitting；443, the 9th pipe fitting；
45, the 4th tee tube；
451, the tenth pipe fitting；452, the 11st pipe fitting；453, the 12nd pipe fitting；
5, connecting tube；
51, the first pipe fitting；52, the second pipe fitting；53, third pipe fitting；
511/512, straight tube chamber is connected；512/522, venturi chamber；
B, first mouth of a river；C, second mouth of a river
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "inner", "outside" etc. indicate
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only, and cannot understand
For indication or suggestion relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include one or more of the features.In the description of the present invention, unless
It is otherwise noted, the meaning of " plurality " is two or more.
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 can
To be to be connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
A kind of thermal cleaning system 100 for range hood according to an embodiment of the present invention is described below with reference to Fig. 1-Fig. 5,
The thermal cleaning system 100 is used for the purpose for needing cleaning parts jet cleaning fluid to realize cleaning to range hood.
A kind of thermal cleaning system 100 for range hood of embodiment according to a first aspect of the present invention, comprising: for containing
The water tank 1 and nozzle 2 for filling water pass through steam generation access 3 and are connected to for water passage 4 to spray by steaming between nozzle 2 and water tank 1
Vapour and the mixed cleaning fluid of hot water, as shown in Fig. 1 Fig. 3 and Fig. 5.That is, steam generation access 3 generates high temperature and pressure
Steam is supplied to nozzle 2, and conveys water for water passage 4 and be supplied to nozzle 2, passes through nozzle 2 with the high temperature and high pressure steam of water droplet as a result,
Spray to position to be cleaned.
Thermal cleaning system 100 according to an embodiment of the present invention, passes through the high temperature for being generated steam generation access 3 by nozzle 2
High steam and the water conveyed for water passage 4 are ejected to the position to be cleaned of range hood, since vapor (steam) temperature height can effectively hold
Carburetion is dirty, while the water droplet of high speed has biggish kinetic energy that can form higher scouring force, therefore can achieve preferable cleaning effect.
Thermal cleaning system 100 according to an embodiment of the present invention further comprises: connecting tube 5, and connecting tube 5 includes that the first pipe connects
First 51, second pipe fitting 52 and third pipe fitting 53, wherein steam generation access 3 and for water passage 4 by connecting tube respectively to
Nozzle 2 conveys steam and hot water.Wherein the first pipe fitting 51 is steam inlet, and the second connector 52 is water inlet, third pipe fitting
53 be cleaning fluid outlet.
Preferably, steam generation access 3 includes: the first water pump 31 and steam generator 32, as shown in Fig. 1-Fig. 3 and Fig. 4,
First water pump 31 is connected to water tank 1, and the entrance of steam generator 32 is connected to the first water pump 31, and outlet and the first of connecting tube
Pipe fitting 51 is connected.Steam generator 32 heats water to high temperature and high pressure steam and conveys steam to the first pipe fitting 51 as a result,.
Wherein, personnel in the art are appreciated that steam generator refers to using the thermal energy (such as electric energy) of fuel or other energy water
It is heated as the mechanical equipment of steam, steam parameter includes the steam pressure and temperature of boiler.In certain embodiments, hot
In cleaning process, with per minute 50 to 100mL speed to 32 water delivery of steam generator, water delivery pressure is greater than the first water pump 31
0.2MPa.Water is heated to be high temperature and high pressure steam and exported to the first pipe fitting 51 by steam generator 32, and the vapor (steam) temperature of output exists
Between 100 DEG C to 130 DEG C, pressure is 0.05 between 0.15MPa.
The thermal cleaning system 100 of five embodiments according to the present invention is described respectively below with reference to Fig. 1-Fig. 7, wherein following five
It is different for the structure of water passage in a embodiment.
Embodiment one,
As shown in Figure 1, connecting tube 5 is the first tee tube in the present embodiment, as described above, connecting tube 5 includes that the first pipe connects
First 51, second pipe fitting 52 and third pipe fitting 53, wherein the first pipe fitting 51 be steam inlet, the second connector 52 be water into
Mouthful, third pipe fitting 53 is cleaning fluid outlet.
It in the present embodiment, include the second water pump 41 for water passage 4, the second water pump 41 is connected to water tank 1 and connecting tube
With to conveying water at the second pipe fitting 52 between second pipe fitting 52.
The thermal cleaning process of according to embodiments of the present invention one thermal cleaning system is described below with reference to Fig. 1.
During thermal cleaning, the first water pump 31 is with per minute 50 to 100mL speed to 32 water delivery of steam generator, water delivery
Pressure is greater than 0.2MPa.Water is heated to be high temperature and high pressure steam and exported to the first pipe fitting 51 by steam generator 32, the steaming of output
Stripping temperature is between 100 DEG C to 130 DEG C, and pressure is 0.05 between 0.15MPa.At the same time, the second water pump 41 is to be greater than
The pressure of 0.3MPa is under program control to the second intermittently water delivery of pipe fitting 52, carrying capacity 10 to 50 milli about per minute
It rises.
In the connecting tube 5 (i.e. the first tee tube), the steam of the high temperature and pressure to come from the conveying of the first pipe fitting 51 and the
The water that comes of two pipe fittings 52 conveying mixes rapidly, high steam with water droplet from third pipe fitting 53 flow through nozzle 7 spray to
Cleaning parts.Since vapor (steam) temperature height can effectively hold carburetion dirt, while to have biggish kinetic energy that can be formed higher for the water droplet of high speed
Scouring force, therefore can achieve preferable cleaning effect.
Embodiment two,
As shown in Fig. 2, the difference in the present embodiment with embodiment one is, it may also include the second tee tube for water passage 4
42, the second tee tube 42 has the 4th pipe fitting 421, the 5th pipe fitting 422 and the 6th pipe fitting 423, the 4th pipe fitting 421 with
Water tank 1 is connected to, and the 5th pipe fitting 422 and the 6th pipe fitting 423 are connected with the first water pump 31 and the second water pump 41 respectively.
The thermal cleaning process of according to embodiments of the present invention two thermal cleaning system is described below with reference to Fig. 2.
During thermal cleaning, the first water pump 31 is with per minute 50 to 100mL speed to 32 water delivery of steam generator, water delivery
Pressure is greater than 0.2MPa.Water is heated to be high temperature and high pressure steam and exported to the first pipe fitting 51 by steam generator 32, the steaming of output
Stripping temperature is between 100 DEG C to 130 DEG C, and pressure is 0.05 between 0.15MPa.At the same time, the second water pump 41 is to be greater than
The pressure of 0.3MPa is under program control to the second intermittently water delivery of pipe fitting 52, carrying capacity 10 to 50 milli about per minute
It rises.
In the connecting tube 5 (i.e. the first tee tube), the steam of the high temperature and pressure to come from the conveying of the first pipe fitting 51 and the
The water that comes of two pipe fittings 52 conveying mixes rapidly, high steam with water droplet from third pipe fitting 53 flow through nozzle 7 spray to
Cleaning parts.Since vapor (steam) temperature height can effectively hold carburetion dirt, while to have biggish kinetic energy that can be formed higher for the water droplet of high speed
Scouring force, therefore can achieve preferable cleaning effect.
Embodiment three,
As shown in figure 3, connecting tube 5 is the first tee tube in the present embodiment, as described above, connecting tube 5 includes that the first pipe connects
First 51, second pipe fitting 52 and third pipe fitting 53, wherein the first pipe fitting 51 be steam inlet, the second connector 52 be water into
Mouthful, third pipe fitting 53 is cleaning fluid outlet.
In the present embodiment, for water passage 4 include third tee tube 44, third tee tube 44 have the 7th pipe fitting 441,
8th pipe fitting 442 and the 9th pipe fitting 443, the 7th pipe fitting 441 are connected to the first water pump 31 and steam with the 8th pipe fitting 442
Generator 32, the 9th pipe fitting 443 are connected to the second pipe fitting 52 of connecting tube by pressure check valve 43.
Specifically, pressure check valve 43 includes valve body 431, valve seat 432, sport ball 434 and spring 435.As shown in figure 4,
Limit the first straight tube chamber 4311, Taper Pipe chamber 4312 and the second straight tube chamber 4313 coaxially sequentially formed in valve body 431, second
Less than the diameter of the first straight tube chamber 4311, the first straight tube chamber 4311 is connected to the diameter of straight tube chamber 4313 with the 9th pipe fitting 443, and
The first end of valve body 431 is formed with the first opening 4314, and the first opening 4314 is connected to the second straight tube chamber 4313.
Second end in valve seat 432 is fastened in the first end of valve body 431 and limits accommodation space 433 with valve body 431,
And the first end of valve seat 432 is formed with third straight tube chamber 4321, third straight tube chamber 4321 is connected by water hole a and accommodation space 433
Logical and third straight tube chamber 4321 and connecting tube third pipe fitting 53, wherein the diameter of water hole a is 2-3mm.Sport ball 434 is set
In the outlet for being only against the second straight tube chamber 4313 in accommodation space 433 and by being located at its spring 435 between valve seat 432
Place, as shown in Figure 4.
As a result, when the water exported from the first water pump 31 flows to from pressure check valve 43 via the 9th pipe fitting 443, valve is flowed through
The first straight tube chamber 4311, Taper Pipe chamber 4312 and the second straight tube chamber 4313 in body 431 open sport ball 434, and flow from water hole a
Into the third pipe fitting 53 of connecting tube.
The thermal cleaning process of according to embodiments of the present invention three thermal cleaning system is described below with reference to Fig. 3 and Fig. 4.
During thermal cleaning, the first water pump 31 is with per minute 50 to 100mL speed to 32 water delivery of steam generator, water delivery
Pressure is greater than 0.2MPa.Water is heated to be high temperature and high pressure steam and exported to the first pipe fitting 51 by steam generator 32, the steaming of output
Stripping temperature is between 100 DEG C to 130 DEG C, and pressure is 0.05 between 0.15MPa.
At the same time, it flows to from pressure check valve 43, flows through via the 9th pipe fitting 443 from the water that the first water pump 31 exports
The first straight tube chamber 4311, Taper Pipe chamber 4312 and the second straight tube chamber 4313 in valve body 431, open sport ball 434, and from water hole a
It flows in the third pipe fitting 53 of connecting tube, carrying capacity is 10 to 50 milliliters about per minute.The cracking pressure of pressure check valve 43 with
The internal pressure of the generation of steam generator 32 is suitable, about 0.05-0.15MPa.It in the present embodiment, can be by adjusting pressure check valve
The diameter of the water hole a of 43 pressure and pressure check valve adjusts carrying capacity, and optionally, the diameter of water hole a is in φ 2mm- φ 3mm
Between.
In the connecting tube 5 (i.e. the first tee tube), the steam of the high temperature and pressure to come from the conveying of the first pipe fitting 51 and the
The water that comes of two pipe fittings 52 conveying mixes rapidly, high steam with water droplet from third pipe fitting 53 flow through nozzle 7 spray to
Cleaning parts.Since vapor (steam) temperature height can effectively hold carburetion dirt, while to have biggish kinetic energy that can be formed higher for the water droplet of high speed
Scouring force, therefore can achieve preferable cleaning effect.
Example IV,
As shown in Figure 5 and Figure 6, connecting tube 5 is Venturi three-way pipe.As described above, connecting tube 5 include the first pipe fitting 51,
Second pipe fitting 52 and third pipe fitting 53, the first pipe fitting 51 are steam inlet, and the second connector 52 is water inlet, and third pipe connects
First 53 be cleaning fluid outlet.Wherein, as shown in fig. 6, being limited in each of the first pipe fitting 51 and the second pipe fitting 52
Straight tube chamber 511,521 and the from outside to inside gradually small venturi chamber 512,522 in cross section, the first pipe fitting 51 and second are connected out
The venturi chamber of pipe fitting 52 passes through the first mouth of a river b and the second mouth of a river c respectively and the lumen of the third pipe fitting 53 of connecting tube connects
It is logical, and the second pipe fitting 52 is directly connected with water tank 1.Optionally, the diameter of the first mouth of a river b is 2-3.5mm, the second mouth of a river c's
Diameter is 1.5-2.5mm.
Wherein, the principle of venturi chamber is Venturi effect, i.e., low pressure can be generated near swiftly flowing gas, thus
Generate suction-operated.When gas or liquid flow inside venturi chamber, at the most narrow place of pipeline, dynamic pressure reaches maximum
Value, static pressure reach minimum value, and the speed of fluid rises because of the relationship for cross-section variation of shoving, and entirely shoving will
Pipe reductions process can be undergone in the same time, thus pressure also reduces in the same time, and then generates pressure difference, the pressure difference
An external suction can be provided to fluid.As a result, in the present embodiment, by the way that Venturi three-way pipe is arranged, so that in first outlet b
With second outlet c cross-section variation and cause the flow velocity of steam and water to rise respectively, enter simultaneously to adsorb water in water tank 1
It is flowed out by third pipe fitting 53.
The thermal cleaning process of according to embodiments of the present invention four thermal cleaning system is described below with reference to Fig. 5 and Fig. 6.
During thermal cleaning, the first water pump 31 is with per minute 50 to 100mL speed to 32 water delivery of steam generator, water delivery
Pressure is greater than 0.2MPa.Water is heated to be high temperature and high pressure steam and exported to the first pipe fitting 51 by steam generator 32, i.e., by the
First mouth of a river b of one pipe fitting 51 is exported.The vapor (steam) temperature of output between 100 DEG C to 130 DEG C, pressure 0.05 to
Between 0.15MPa.
At the same time, on the flow velocity that first outlet b and second outlet c cross-section variation lead to steam and water respectively
It rises, so that the water adsorbed in water tank 1 enters into and through the outflow of third pipe fitting 53.It in the present embodiment, can be by adjusting Wen
The caliber of lumen 512,522 adjusts carrying capacity, for example, the first mouth of a river b diameter between φ 2mm- φ 3.5mm, second mouth of a river
The diameter of c is between φ 1.5mm- φ 2.5mm.
In the Venturi three-way pipe 5, the steam and the second pipe fitting of the high temperature and pressure to come from the conveying of the first pipe fitting 51
The water that 52 conveyings come mixes rapidly, and high steam flows through nozzle 7 from third pipe fitting 53 with water droplet and sprays to position to be cleaned.
Since vapor (steam) temperature height can effectively hold carburetion dirt, while the water droplet of high speed has biggish kinetic energy that can form higher scouring force, therefore
It can achieve preferable cleaning effect.
Embodiment five,
It include: the 4th tee tube for water passage 4 as shown in fig. 7, being in place of the difference of the present embodiment and example IV
45, the 4th tee tube 45 has the tenth to the 12nd pipe fitting 451,452 and 453, and the tenth pipe fitting 451 is connected to water tank 1, and
11st pipe fitting 452 and the 12nd pipe fitting 453 52 phase of the second pipe fitting with the first water pump 31 and Venturi three-way pipe 5 respectively
Even, the water in water tank 1 to be sent in the second pipe fitting 52 of the first water pump 31 and Venturi three-way pipe 5 respectively.
The thermal cleaning process of according to embodiments of the present invention five thermal cleaning system is described below with reference to Fig. 7.
During thermal cleaning, the first water pump 31 is with per minute 50 to 100mL speed to 32 water delivery of steam generator, water delivery
Pressure is greater than 0.2MPa.Water is heated to be high temperature and high pressure steam and exported to the first pipe fitting 51 by steam generator 32, i.e., by the
First mouth of a river b of one pipe fitting 51 is exported.The vapor (steam) temperature of output between 100 DEG C to 130 DEG C, pressure 0.05 to
Between 0.15MPa.
At the same time, on the flow velocity that first outlet b and second outlet c cross-section variation lead to steam and water respectively
It rises, is flowed out to adsorb the water in water tank 1 by the 4th tee tube 45 and enter into and through third pipe fitting 53.In the present embodiment
In, carrying capacity can be adjusted by adjusting the caliber of venturi chamber 512,522, such as the first mouth of a river b diameter in φ 2mm- φ
Between 3.5mm, the diameter of the second mouth of a river c is between φ 1.5mm- φ 2.5mm.
In the Venturi three-way pipe 5, the steam and the second pipe fitting of the high temperature and pressure to come from the conveying of the first pipe fitting 51
The water that 52 conveyings come mixes rapidly, and high steam flows through nozzle 7 from third pipe fitting 53 with water droplet and sprays to position to be cleaned.
Since vapor (steam) temperature height can effectively hold carburetion dirt, while the water droplet of high speed has biggish kinetic energy that can form higher scouring force, therefore
It can achieve preferable cleaning effect.
In conclusion the thermal cleaning system 100 according to an embodiment of the present invention for range hood, by being incited somebody to action by nozzle 2
High temperature and high pressure steam with water is ejected to the position to be cleaned of range hood, since vapor (steam) temperature height can effectively hold carburetion dirt,
The water droplet of high speed has biggish kinetic energy that can form higher scouring force simultaneously, therefore can achieve preferable cleaning effect.
A kind of range hood of embodiment according to a second aspect of the present invention, comprising: casing 200, cover 300,400 and of blower
Thermal cleaning system 100, wherein thermal cleaning system 100 is the thermal cleaning system according to first aspect present invention embodiment.
As shown in figure 8, having the open oil smoke suction chamber in side, the side of 300 sealing machine shell of cover, wind in casing 200
Machine 400 is located in oil smoke absorbing chamber room, and thermal cleaning system 100 is located in oil smoke absorbing chamber room.
Other compositions such as blower of range hood according to an embodiment of the present invention etc. and operation are common for this field
All be for technical staff it is known, be not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (3)
1. a kind of thermal cleaning system for range hood characterized by comprising
For containing the water tank of water；And
Nozzle is connected between the nozzle and the water tank by steam generation access and for water passage to spray by steam and heat
The mixed cleaning fluid of water；
Connecting tube, the connecting tube include first to third pipe fitting, wherein the steam generation access and described for water passage
The steam and the hot water are conveyed to the nozzle respectively by the connecting tube, the connecting tube is the first tee tube,
Described in the first pipe fitting be steam inlet, second pipe fitting be water inlet, the third pipe fitting be the cleaning flow
Body outlet；
The steam generation access includes: the first water pump and steam generator being connected to the water tank, the steam generator
Entrance be connected to first water pump, and outlet is connected with the first pipe fitting of the connecting tube, and first water pump is to institute
State steam generator water delivery, water delivery pressure is greater than 0.2MPa, and water is heated to be after steam to described first by the steam generator
Pipe fitting output；
Wherein the water supply access includes:
Third tee tube, the third tee tube have the 7th to the 9th pipe fitting, the 7th pipe fitting connection described first
Water pump, the 8th pipe fitting are connected to the steam generator, and the 9th pipe fitting is connected to described by pressure check valve
Second pipe fitting of connecting tube.
2. the thermal cleaning system according to claim 1 for range hood, which is characterized in that the pressure check valve packet
It includes:
Valve body, limits the first straight tube chamber, Taper Pipe chamber and the second straight tube chamber coaxially sequentially formed in the valve body, and described
The diameter of two straight tube chambers is less than the diameter of the first straight tube chamber, and the first straight tube chamber is connected to the 9th pipe fitting, and
The first end of the valve body is formed with the first opening, and first opening is connected to the second straight tube chamber；
Valve seat, the second end in the valve seat is fastened in the first end of the valve body and to limit receiving with the valve body empty
Between, and the first end of the valve seat is formed with third straight tube chamber, the third straight tube chamber is connected by water hole and the accommodation space
The logical and described third straight tube chamber is connected with the second pipe fitting of the connecting tube, wherein the diameter in the water hole is 2-3mm；With
And
Sport ball, the sport ball be located in the accommodation space and by be located at its spring between valve seat be only against it is described
The exit of second straight tube chamber.
3. a kind of range hood characterized by comprising
Casing, the casing is interior to have the open oil smoke suction chamber in side；
Cover, the cover close the side of the casing；
Blower, the blower are located in the oil smoke absorbing chamber room；And
Thermal cleaning system according to claim 1 or 2 for range hood, the thermal cleaning system are located at the oil suction
In smoke chamber room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610912622.0A CN106594822B (en) | 2012-12-24 | 2012-12-24 | Range hood and thermal cleaning system for it |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210569799.7A CN103900129B (en) | 2012-12-24 | 2012-12-24 | Range hood and be used for its warm wash system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104353636B (en) * | 2014-11-29 | 2017-01-18 | 山东蓝伞国际科技开发有限公司 | Range hood cleaner |
| CN106077006A (en) * | 2016-08-10 | 2016-11-09 | 长沙金果罐头食品有限公司 | A kind of Cans automatic clearing apparatus |
| CN107355835B (en) * | 2017-08-11 | 2023-01-31 | 广东美的厨房电器制造有限公司 | Cleaning device of range hood, control method of cleaning device and range hood |
| CN107461784A (en) * | 2017-09-27 | 2017-12-12 | 广东美的厨房电器制造有限公司 | Range hood and the purging system for range hood |
| CN107763691B (en) * | 2017-10-09 | 2019-05-31 | 广东美的厨房电器制造有限公司 | The control method and smoke machine cleaning system and smoke machine of smoke machine cleaning system |
| CN109059073B (en) * | 2018-01-11 | 2020-07-28 | 广东美的厨房电器制造有限公司 | Range hood, cleaning system for range hood, joint assembly, branch joint part and outer joint part |
| CN111853896B (en) * | 2020-07-28 | 2022-08-26 | 北京耀邦环保技术开发有限公司 | Oil fume purification system and method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106594822A (en) | 2017-04-26 |
| CN103900129A (en) | 2014-07-02 |
| CN103900129B (en) | 2017-03-08 |
| CN106568108B (en) | 2019-04-30 |
| CN106568108A (en) | 2017-04-19 |
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