CN106678915B - A kind of DC driven reversible type kitchen ventilator and its mist extractor, method for self-cleaning - Google Patents
A kind of DC driven reversible type kitchen ventilator and its mist extractor, method for self-cleaning Download PDFInfo
- Publication number
- CN106678915B CN106678915B CN201710077688.7A CN201710077688A CN106678915B CN 106678915 B CN106678915 B CN 106678915B CN 201710077688 A CN201710077688 A CN 201710077688A CN 106678915 B CN106678915 B CN 106678915B
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- China
- Prior art keywords
- blower
- volute
- kitchen ventilator
- cabinet
- conduit
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- 238000004140 cleaning Methods 0.000 title claims abstract description 55
- 230000002441 reversible effect Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000003595 mist Substances 0.000 title claims abstract description 11
- 239000007921 spray Substances 0.000 claims abstract description 45
- 239000000779 smoke Substances 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 230000008676 import Effects 0.000 claims abstract description 9
- 239000000243 solution Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 13
- 239000003517 fume Substances 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 6
- 239000003599 detergent Substances 0.000 claims description 4
- 235000021419 vinegar Nutrition 0.000 claims description 4
- 239000000052 vinegar Substances 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 238000010411 cooking Methods 0.000 claims description 3
- 238000002309 gasification Methods 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 241000237858 Gastropoda Species 0.000 claims description 2
- 238000001727 in vivo Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 239000004519 grease Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004851 dishwashing Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
- F04D29/4233—Fan casings with volutes extending mainly in axial or radially inward direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
-
- 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
- F24C15/2021—Arrangement or mounting of control or safety systems
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of DC driven reversible type kitchen ventilator and its mist extractor, method for self-cleaning, kitchen ventilator include cleaning device, and the import of steam generator is connected with liquid reserve tank, and inlet tube is equipped with force (forcing) pump；The outlet of steam generator is connected to spray head, and spray head is arranged at the top opening of spray pipe sleeve；The bottom of spray pipe sleeve, which is equipped with, to export the base opening being connected with the oil smoke of shell；The air inlet of volute of blower is connected by conduit with oil return container, and conduit is detachably connected with volute of blower；The direction controller for controlling the rotation direction of motor is equipped in central controller, direction controller is connected to the motor.When the present invention needs cleaning free of demolition, the steam of high temperature and pressure is inverted through draught fan impeller and is done work, and by original oil smoke discharge path reverse backflow, the blower fan structure for being most difficult to cleaning to kitchen ventilator inside carries out reverse backhaul cleaning, cleaning effect is good, extends the service life of kitchen ventilator.
Description
Technical field
The present invention relates to a kind of DC driven reversible type kitchen ventilator and its mist extractors, method for self-cleaning.
Background technique
Existing range hood internal fan uses multi-wing centrifugal formula impeller, and it is more that this blade wheel structure feature shows as the number of blade
(usual 60~72), diameter is than small, runner is narrow, and after a period of use so as to cause kitchen ventilator, impeller blade surface is deposited
Phenomena such as oil accumulation is serious, grease is detained, this structure also gives grease stain in kitchen ventilator internal washing especially draught fan impeller to clean
It causes greatly difficult.
Conventional cleaning method: (1) dismantling range hood fan unit, is carried out with the hard object manual type of solid to blade
Contact surface is cleaned, and this artificial dynamics operation is highly vulnerable to breakage blade surface rigidity (within vane thickness 3mm), under serious conditions
It can make blade local deformation, reduce blower acting ability, it is final to influence range hood performance.
(2) steam clean mode is used, locally carries out injecting type cleaning, benefit using steam-out (SO) generating device alignment impeller
It is acted on impeller high speed rotation and soiling solution is discharged.This cleaning way without human intervention, there is certain cleaning action.But it is real
Impeller artificially increases localized ejection thrust, impeller table in cleaning process other than motor acts on and generates centrifugal force during applying
Face stress is extremely uneven, and steam the amount of injection can not be controlled effectively, and destroyed impeller surface dynamic balancing equally will cause in structure
Defect still reduces original kitchen ventilator performance to a certain extent after cleaning.
In addition, draught fan impeller still rotates in the forward direction in this cleaning way, grease stain soiling solution can be discharged into common flue.Contain
Grease stain steam outlet atmosphere, aggravation Air haze generate, and are unfavorable for environmental protection.
Summary of the invention
To overcome defect present in background technique, the present invention provides a kind of DC driven reversible type kitchen ventilator and its oil extraction
Cigarette, method for self-cleaning.
Technical proposal that the invention solves the above-mentioned problems is:
A kind of DC driven reversible type kitchen ventilator, including the cabinet with inner cavity, the top of the cabinet goes out equipped with oil smoke
Mouthful, and oil smoke outlet can pass sequentially through kitchen ventilator outlet housing, hose is connected with common flue, the bottom end of kitchen ventilator outlet housing can
It is removedly fixed on cabinet, the lower section of the cabinet is equipped with the oil smoke import for sucking oil smoke；The row of being equipped in the cabinet
Soot device, the oily fume exhauster include the volute of blower, draught fan impeller and direct current generator matched, and volute of blower is fixed on
In cabinet, draught fan impeller is located in volute of blower, and direct current generator is fixed on volute of blower, and draught fan impeller can be rotatably set
In the shaft of direct current generator；The top of volute of blower is fixed on the oil smoke exit of cabinet, and has spiral in volute of blower
Runner, the top of volute of blower is equipped with the exhaust outlet to connect with the runner, and exhaust outlet connects with oil smoke outlet；
The front side board of volute of blower is equipped with the air inlet to connect with the runner, and the air inlet face draught fan impeller；
Further include cleaning device, the cleaning device includes steam generator, the import of the steam generator by into
Liquid pipe is connected with liquid reserve tank, and inlet tube is equipped with force (forcing) pump；The outlet of the steam generator is connected by escape pipe and spray head
Logical, spray head is arranged at the top opening of spray pipe sleeve, and the inner cavity that the nozzle of spray head is covered towards spray tube；The bottom of spray pipe sleeve is set
There is the base opening that can be exported with the oil smoke of the cabinet or be connected with the top of the kitchen ventilator outlet housing, and sprays pipe sleeve and institute
It states cabinet or the kitchen ventilator outlet housing is detachably connected；
The cleaning device further includes the oil return container for being connected with the air inlet on volute of blower, the blower snail
Air inlet on shell is connected by conduit with oil return container, and the conduit is detachably connected with the volute of blower；
Further include central controller, the central controller is connected with direct current, force (forcing) pump and steam generator, and it is described in
Entreat the direction controller being equipped in controller for controlling the rotation direction of direct current generator, the direction controller and direct current generator
It is connected, to drive direct current generator to rotate clockwise or rotate counterclockwise.
Further, the conduit is rubber catheter.
Further, it is offered on the cabinet for the perforative conduit through-hole of conduit, and the conduit through-hole is furnished with sealing cover,
The sealing cover is detachably connected with the conduit through-hole.
Further, the volute of blower close to the bottom of the air inlet be equipped with interior return port, the cabinet be equipped with
The exteenal reflux hole and oil-recovery tank that the interior return port connects, and the oil-recovery tank exposes to the cabinet.
The mist extractor implemented using a kind of DC driven reversible type cleaning device for cooking fume exhauster of the present invention, self-cleaning side
Method, comprising the following steps:
(1) kitchen ventilator mist extractor:
(1.1) conduit is separated with cabinet, volute of blower, and the conduit through-hole on cabinet passes through seal cap sealing；Cabinet
Outlet flue pass sequentially through kitchen ventilator outlet housing, hose is connected with common flue；
(1.2) it defines the direction that the cross section of the runner along volute of blower is gradually increased and is that runner is positive, and draught fan impeller
It is rotated forward along runner to rotate forward；The direction being gradually reduced along the cross section of the runner of volute of blower is reversed for runner, and blower
Impeller is rotated backward along runner as reversion；
The direction controller of central controller drives draught fan impeller to rotate forward by direct current generator, from wind after oil smoke sucking cabinet
Air inlet on machine spiral case is by draught fan impeller forward direction suction passage, and from the exhaust outlet on volute of blower through kitchen ventilator outlet air
Cover, hose drain into common flue, to realize oil extraction hood；
(2) kitchen ventilator self-cleaning:
(2.1) when kitchen ventilator needs self-cleaning, cabinet is mutually separated with kitchen ventilator outlet housing or by kitchen ventilator outlet air
Cover is mutually separated with hose, and cabinet is connected with spray pipe sleeve, or cabinet is passed through kitchen ventilator outlet housing and spray pipe sleeve
It is connected；The inlet tube of steam generator is connected to liquid reserve tank again, and clean solution is added in liquid reserve tank；It is logical to open conduit
One end of conduit is passed through conduit through-hole and is connected with the air inlet on volute of blower, by the another of conduit by the sealing cover on hole
One end is connected with oil return container；
(2.2) central controller driving force (forcing) pump, direct current generator starting, and direction controller drives wind by direct current generator
The reversion of machine impeller；
(2.3) clean solution in liquid reserve tank enters gasification in steam generator by force (forcing) pump pressurization, from steam generation
The steam of the outlet outflow of device enters in spray pipe sleeve through escape pipe, and from the exhaust outlet on volute of blower by draught fan impeller suck-back
Enter in the runner of volute of blower, the runner of volute of blower and the blade of draught fan impeller are washed away with the discharge direction against oil smoke, and
The vapor of greasy dirt is swept along after washing away, a part is discharged into oil return container through conduit from the air inlet discharge on volute of blower
It is interior；Another part is deposited on the bottom of volute of blower, and is expelled in oil-recovery tank through interior return port, exteenal reflux hole.
Further, clean solution is the mixed solution of detergent and vinegar.
Beneficial effects of the present invention are mainly manifested in:
1. the steam of high temperature and pressure is inverted through draught fan impeller and done work, adverse current is returned by original oil smoke discharge path, to oil smoke
The blower fan structure (oily fume exhauster) that cleaning is most difficult to inside machine carries out reverse backhaul cleaning, and cleaning effect is good, extends kitchen ventilator
Service life.
2. draught fan impeller reversible type steam clean is different from common steam jet stream or enters streaming cleaning, in cleaning process blower
The blade surface uniform force of impeller, it is ensured that structural intergrity after cleaning.
3. direct current generator reversion be easier to realize, and speed reversal stablize it is adjustable, compared to lower kitchen ventilator alternating current generator it is anti-
Turn easily to burn, influences motor service life.
4. opposing steam flow after cleaning to the air inlet of volute of blower, and is collected into oil return container through rubber flexible conduit,
It can avoid the atmosphere pollution that outlet containing oil vapour generates.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of kitchen ventilator.
Fig. 2 is the structural schematic diagram that volute of blower, draught fan impeller and direct current generator match, and wherein arrow indicates oil smoke edge
The direction of motion (i.e. the forward rotation direction of draught fan impeller) of the runner of volute of blower.
Fig. 3 is the runner forward direction schematic diagram of volute of blower.
Fig. 4 is the reversed schematic diagram of runner of volute of blower.
Specific embodiment
Referring to attached drawing, a kind of DC driven reversible type kitchen ventilator is set above the cabinet including the cabinet with inner cavity
There is oil smoke outlet, and oil smoke outlet can pass sequentially through kitchen ventilator outlet housing, hose is connected with common flue, kitchen ventilator outlet housing
Bottom end be removably attached on cabinet, the lower section of the cabinet is equipped with the oil smoke import for sucking oil smoke；The cabinet
Interior to be equipped with oily fume exhauster, the oily fume exhauster includes the volute of blower 1, draught fan impeller 2 and direct current generator 3 matched, wind
Machine spiral case 1 is fixed in cabinet, and draught fan impeller 2 is located in volute of blower 1, and direct current generator 3 is fixed on volute of blower 1, and wind
Machine impeller 2 is rotatably arranged in the shaft of direct current generator 3；The top of volute of blower 1 is fixed on the oil smoke exit of cabinet,
And there is helical flow path in volute of blower 1, the top of volute of blower 1 is equipped with the exhaust outlet to connect with the runner, and air draft
Mouth connects with oil smoke outlet；The front side board of volute of blower 1 is equipped with the air inlet to connect with the runner, and described
Air inlet face draught fan impeller 2；The volute of blower 1 is by being located at the front side boards of two sides, back side panel and being located in the middle arc
Shape plate encloses.
It further include cleaning device, the cleaning device includes steam generator 7, and the import of the steam generator 7 passes through
Inlet tube 9 connects with liquid reserve tank phase 10, and inlet tube 9 is equipped with force (forcing) pump 8；The outlet of the steam generator 7 passes through escape pipe 6
It is connected to spray head 5, spray head 5 is arranged at the top opening of spray pipe sleeve 4, and inner cavity of the nozzle of spray head 5 towards spray tube set 4；Spray
The bottom of shower pipe set 4 is equipped with the bottom that can be exported with the oil smoke of the cabinet or be connected with the top of the kitchen ventilator outlet housing
Mouthful, and spray pipe sleeve and be detachably connected with the cabinet or the kitchen ventilator outlet housing；It is cut from kitchen ventilator mist extractor working condition
When changing to kitchen ventilator self-cleaning state, need for cabinet to be connected with spray pipe sleeve, or by kitchen ventilator outlet housing and spray pipe sleeve phase
Even, but it is more troublesome due to dismantling cabinet with kitchen ventilator outlet housing, preferably kitchen ventilator outlet housing is connected with spray pipe sleeve,
Directly spray pipe sleeve can be covered on kitchen ventilator outlet housing, so that cabinet is connected to spray pipe sleeve by kitchen ventilator outlet housing.
The cleaning device further includes the oil return container 12 for being connected with the air inlet on volute of blower 1, the wind
Air inlet on machine spiral case 1 is connected by conduit 11 with oil return container 12, and the conduit 11 and the volute of blower 1 are removable
Unload connection.
It further include central controller, the central controller is connected with direct current generator 3, force (forcing) pump 8 and steam generator 7,
And the direction controller for controlling the rotation direction of direct current generator 3, the direction controller are equipped in the central controller
It is connected with direct current generator 3, to drive direct current generator 3 to rotate clockwise or rotate counterclockwise.
The gradually popularization applied on kitchen ventilator with direct current generator can not only realize forward and reverse fortune compared to alternating current generator
Row, also can easily regulate and control revolving speed.
The conduit 11 is rubber catheter.
It is offered on the cabinet for the perforative conduit through-hole of conduit 11, and the conduit through-hole is furnished with sealing cover, it is described
Sealing cover is detachably connected with the conduit through-hole.When conduit 11 is separated with cabinet, conduit through-hole is sealed by sealing cover
Firmly, to avoid fumes escaping.
The volute of blower 1 close to the bottom of the air inlet be equipped with interior return port 13, the cabinet be equipped with it is described
The exteenal reflux hole and oil-recovery tank that interior return port 13 connects, and the oil-recovery tank exposes to the cabinet.
The mist extractor implemented using a kind of DC driven reversible type cleaning device for cooking fume exhauster of the present invention, self-cleaning side
Method, comprising the following steps:
(1) kitchen ventilator mist extractor:
(1.1) conduit 11 is separated with cabinet, volute of blower 2, and the conduit through-hole on cabinet passes through seal cap sealing；Case
The outlet flue of body passes sequentially through kitchen ventilator outlet housing, hose is connected with common flue；
(1.2) defining the direction that is gradually increased along the cross section of the runner of volute of blower 1 is runner forward direction a, and blower leaf
Wheel 2 is rotated forward along runner forward direction a rotation；The direction being gradually reduced along the cross section of the runner of volute of blower 1 is the reversed b of runner,
And draught fan impeller 2 is reversion along the reversed b rotation of runner；
The direction controller of central controller by direct current generator 3 drive draught fan impeller 2 rotate forward, oil smoke suck cabinet after from
Air inlet on volute of blower 1 is by the positive suction passage of draught fan impeller 2, and from the exhaust outlet on volute of blower 1 through kitchen ventilator
Outlet housing, hose drain into common flue, to realize oil extraction hood；
(2) kitchen ventilator self-cleaning:
(2.1) when kitchen ventilator needs self-cleaning, cabinet is mutually separated with kitchen ventilator outlet housing or by kitchen ventilator outlet air
Cover is mutually separated with hose, and cabinet is connected with spray pipe sleeve 4 or cabinet is passed through kitchen ventilator outlet housing and spray pipe sleeve 4
It is connected；The inlet tube 9 of steam generator 7 is connected to liquid reserve tank 10 again, and clean solution is added in liquid reserve tank 10；It opens
One end of conduit 11 is passed through conduit through-hole and is connected with the air inlet on volute of blower 1 by the sealing cover on 11 through-hole of conduit,
The other end of conduit 11 is connected with oil return container 12；
(2.2) central controller driving force (forcing) pump 8, direct current generator 3 start, and direction controller is driven by direct current generator 3
Dynamic draught fan impeller 2 inverts；
(2.3) clean solution in liquid reserve tank enters gasification in steam generator 7 by the pressurization of force (forcing) pump 8, sends out from steam
The steam of the outlet outflow of raw device 7 enters in spray pipe sleeve 4 through escape pipe 6, and from the exhaust outlet on volute of blower 1 by blower leaf
It takes turns 2 suck-backs to enter in the runner of volute of blower 1, the runner and draught fan impeller 2 of volute of blower 1 is washed away with the discharge direction against oil smoke
Blade, and the vapor of greasy dirt is swept along after washing away, a part is from the air inlet discharge on volute of blower 1, and through conduit 11
It is discharged into oil return container 12；Another part is deposited on the bottom of volute of blower 1, and is expelled to through interior return port 13, exteenal reflux hole
In oil-recovery tank.
Clean solution is the mixed solution of detergent and vinegar.
The external form of volute of blower 1 is in logarithmic spiral curve, and the draught fan impeller 2 matched with volute of blower 1 includes several
Blade.Draught fan impeller 2 is driven by direct current generator 3, direct current generator 3 configure forward and reverse operation circuit, it can be achieved that draught fan impeller 2 just
Turn or inverts.
Spray pipe sleeve 4 is formed by two sections: for bottom section substantially in hollow cylinder shape, top is in hollow cone shape；Spray tube
4 top of set is provided with spray head 5；The outlet of steam generator 7 is connected by escape pipe 6 with spray head 5；The import of steam generator 7
It is connected by inlet tube 9 with liquid reserve tank 10.Clean solution can be mixed with vinegar by dish washing liquid and be constituted.
When kitchen ventilator work normally when, direct current generator 3 rotate forward, driving impeller 2 along 1 runner of spiral case positive a (i.e. runner from
Air inlet to exhaust outlet the hand of spiral) acting, by the oil smoke outside kitchen ventilator through in 2 suction passage of draught fan impeller, and along
Flow passage is finally expelled in common flue, completes oil extraction hood.
When needing cleaning free of demolition, the top of the smoke outlet of the cabinet or the kitchen ventilator outlet housing is connected and is sprayed
Shower pipe set 4 sprays and is provided with spray head 5 above pipe sleeve 4, and the outlet of steam generator 7 is connected by escape pipe 6 with spray head 5, steam
The import of generator 7 is connected by inlet tube 9 with liquid reserve tank 10, and detergent is loaded in liquid reserve tank 10 and the mixing of water is molten
Liquid.Meanwhile steam generator is configured with force (forcing) pump 8, sucks clean solution by inlet tube 9 when force (forcing) pump 8 works and enters steam
Heating evaporation is carried out in generator 7, to generate the steam of high temperature and pressure.
Direct current generator 3 inverts in cleaning process, and draught fan impeller 2 is driven to invert, and the high temperature and pressure that steam generator 7 generates is steamed
Vapour is entered in volute of blower 1 by exhaust outlet, and the runner for rinsing volute of blower 1 is inverted with draught fan impeller 2 simultaneously, and finally by blower
The air inlet of spiral case 1 is discharged, and the band grease stain steam after cleaning recycles oil inlet and oil return container 12 by conduit 11.
The present invention accesses high temperature and high pressure steam by the exhaust outlet in cabinet, is done work by 2 antiport of draught fan impeller, will be high
Warm high steam is introduced into volute of blower 1 and cleans to the spot of spiral case inner wall oil accumulation；High steam is with blower leaf simultaneously
2 reversion of wheel flow to air inlet by the exhaust outlet of volute of blower 1, can equably have to each blade path of draught fan impeller 2
Effect ground grease stain is detached from.High temperature and high pressure steam is generated by mixing clean solution, into 2 inside of draught fan impeller after Three -dimension flow by potential energy
It is converted to kinetic energy, the generation of air-flow between speeding-up blade is effectively washed away to be formed to blade surface.This reversion cleaning side
Formula eliminates manual operation, and avoiding artificial cleaning bring damage influences.Meanwhile narrowed flow path two sides blade surface acts on
Power is uniform, will not cause local jet pulsations affect, accomplishes the integrality for cleaning while guaranteeing fan impeller structure, does not influence clear
Kitchen ventilator performance after washing.The steam for cleaning discharge converges to the air inlet of volute of blower 1 by inverting circuit, collects through conduit 11
To oil return container 12, avoid polluting common flue and atmosphere.
The present invention had not only been able to achieve kitchen ventilator and has exempted to tear automatic cleaning open, but also rationally can reversely be done work using steam by draught fan impeller 2
Blade in grease stain clean up thoroughly, ultimately facilitate collect grease stain soiling solution, avoid grease stain air outlet from being really achieved household
Kitchen ventilator exempts from clean and environmental protection target required by demolition clean process.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Range should not be construed as being limited to the specific forms stated in the embodiments, and protection scope of the present invention also includes art technology
Personnel conceive according to the present invention it is conceivable that equivalent technologies mean.
Claims (5)
1. a kind of DC driven reversible type kitchen ventilator, including the cabinet with inner cavity, the top of the cabinet is exported equipped with oil smoke,
And oil smoke outlet can pass sequentially through kitchen ventilator outlet housing, hose is connected with common flue, the bottom end of kitchen ventilator outlet housing is removable
It is fixed on cabinet with unloading, the lower section of the cabinet is equipped with the oil smoke import for sucking oil smoke；Oil extraction is equipped in the cabinet
Cigarette device, the oily fume exhauster include the volute of blower, draught fan impeller and direct current generator matched, and volute of blower is fixed on case
In vivo, draught fan impeller is located in volute of blower, and direct current generator is fixed on volute of blower, and draught fan impeller is rotatably arranged in
In the shaft of direct current generator；The top of volute of blower is fixed on the oil smoke exit of cabinet, and has spiral in volute of blower
Runner, the top of volute of blower is equipped with the exhaust outlet to connect with the runner, and exhaust outlet connects with oil smoke outlet；
The front side board of volute of blower is equipped with the air inlet to connect with the runner, and the air inlet face draught fan impeller；
It is characterized by:
It further include cleaning device, the cleaning device includes steam generator, and the import of the steam generator passes through inlet tube
It is connected with liquid reserve tank, and inlet tube is equipped with force (forcing) pump；The outlet of the steam generator is connected to by escape pipe with spray head, is sprayed
Head is arranged at the top opening of spray pipe sleeve, and the inner cavity that the nozzle of spray head is covered towards spray tube；The bottom of spray pipe sleeve is equipped with can
The base opening for exporting with the oil smoke of the cabinet or being connected with the top of the kitchen ventilator outlet housing, and spray pipe sleeve and the case
Body or the kitchen ventilator outlet housing are detachably connected；
The cleaning device further includes the oil return container for being connected with the air inlet on volute of blower, on the volute of blower
Air inlet be connected by conduit with oil return container, and the conduit is detachably connected with the volute of blower；
It further include central controller, the central controller is connected with direct current, force (forcing) pump and steam generator, and the center control
The direction controller for controlling the rotation direction of direct current generator, the direction controller and direct current generator phase are equipped in device processed
Even, to drive direct current generator to rotate clockwise or rotate counterclockwise；
The volute of blower is equipped with interior return port close to the bottom of the air inlet, and the cabinet is equipped with and the interior return port
The exteenal reflux hole to connect and oil-recovery tank, and the oil-recovery tank exposes to the cabinet.
2. a kind of DC driven reversible type kitchen ventilator as described in claim 1, it is characterised in that: the conduit is led for rubber
Pipe.
3. a kind of DC driven reversible type kitchen ventilator as claimed in claim 2, it is characterised in that: offer confession on the cabinet
The perforative conduit through-hole of conduit, and the conduit through-hole is furnished with sealing cover, the sealing cover detachably connects with the conduit through-hole
It connects.
4. utilizing a kind of described in any item oil extractions that DC driven reversible type cleaning device for cooking fume exhauster is implemented of claims 1 to 33
Cigarette, method for self-cleaning, which comprises the following steps:
(1) kitchen ventilator mist extractor:
(1.1) conduit is separated with cabinet, volute of blower, and the conduit through-hole on cabinet passes through seal cap sealing；Cabinet goes out
Mouth passes sequentially through kitchen ventilator outlet housing, hose is connected with common flue；
(1.2) defining the direction that the cross section of the runner along volute of blower is gradually increased is that runner is positive, and draught fan impeller is along stream
Road rotates forward to rotate forward；The direction being gradually reduced along the cross section of the runner of volute of blower is reversed for runner, and draught fan impeller
It rotates backward along runner as reversion；
The direction controller of central controller drives draught fan impeller to rotate forward by direct current generator, from blower snail after oil smoke sucking cabinet
Air inlet on shell is by draught fan impeller forward direction suction passage, and from the exhaust outlet on volute of blower through kitchen ventilator outlet housing, soft
Pipe drains into common flue, to realize oil extraction hood；
(2) kitchen ventilator self-cleaning:
(2.1) when kitchen ventilator needs self-cleaning, by cabinet mutually separated with kitchen ventilator outlet housing or by kitchen ventilator outlet housing with
Hose mutually separates, and cabinet is connected with spray pipe sleeve, or cabinet is connected by kitchen ventilator outlet housing with spray pipe sleeve
It is logical；The inlet tube of steam generator is connected to liquid reserve tank again, and clean solution is added in liquid reserve tank；It opens on conduit through-hole
Sealing cover, one end of conduit is passed through and conduit through-hole and is connected with the air inlet on volute of blower, by the other end of conduit
It is connected with oil return container；
(2.2) central controller driving force (forcing) pump, direct current generator starting, and direction controller drives blower leaf by direct current generator
Wheel reversion；
(2.3) clean solution in liquid reserve tank enters gasification in steam generator by force (forcing) pump pressurization, from steam generator
The steam for exporting outflow enters in spray pipe sleeve through escape pipe, and from the exhaust outlet on volute of blower by draught fan impeller suck-back inlet air
In the runner of machine spiral case, the runner of volute of blower and the blade of draught fan impeller are washed away with the discharge direction against oil smoke, and wash away
The vapor of greasy dirt is swept along afterwards, and a part is discharged into oil return container from the air inlet discharge on volute of blower through conduit；Separately
A part is deposited on the bottom of volute of blower, and is expelled in oil-recovery tank through interior return port, exteenal reflux hole.
5. mist extractor as claimed in claim 4, method for self-cleaning, it is characterised in that: clean solution is detergent and vinegar
Mixed solution.
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| CN201710077688.7A CN106678915B (en) | 2017-02-14 | 2017-02-14 | A kind of DC driven reversible type kitchen ventilator and its mist extractor, method for self-cleaning |
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| CN109798561B (en) * | 2017-11-17 | 2024-01-16 | 宁波方太厨具有限公司 | Range hood with self-cleaning function |
| CN109931640B (en) * | 2017-12-15 | 2024-01-16 | 宁波方太厨具有限公司 | Range hood with self-cleaning function |
| CN108679670A (en) * | 2018-03-07 | 2018-10-19 | 佛山市云米电器科技有限公司 | A kind of smoke machine for realizing self-cleaning function |
| CN109297061A (en) * | 2018-10-29 | 2019-02-01 | 浙江欧琳生活健康科技有限公司 | A kind of kitchen ventilator and its cleaning method with cleaning function |
| CN109611378A (en) * | 2018-12-31 | 2019-04-12 | 中山市品精工电器有限公司 | A kind of oil-fume exhauster self cleaning method |
| CN112369905B (en) * | 2020-11-30 | 2021-10-22 | 永康市美丽生活电器有限公司 | Multifunctional pot |
| CN118384646B (en) * | 2024-06-21 | 2024-09-10 | 湖南九九智能环保股份有限公司 | Variable-range spraying device, sprayer and spraying method thereof |
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