CN1752591A - Exhaustor for kitchen - Google Patents
Exhaustor for kitchen Download PDFInfo
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- CN1752591A CN1752591A CN 200410072142 CN200410072142A CN1752591A CN 1752591 A CN1752591 A CN 1752591A CN 200410072142 CN200410072142 CN 200410072142 CN 200410072142 A CN200410072142 A CN 200410072142A CN 1752591 A CN1752591 A CN 1752591A
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- air
- air feed
- feed stream
- kitchen
- exhaustor
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Abstract
The present invention discloses a kitchen ventilator. It includes air-supplying flow passage which is formed in the inner side of horizontal exhaust pipeline, used for sucking kitchen interior air and supplying air towards lower portion of exhaust fan, nozzle portion formed in the exhaust side of air-supplying flow passage, curved surface portion through which the indoor air passed through the nozzle portion can be passed and air-supplying device which is used for sucking pollutant air from air-supplying flow passage and making air-supplying action.
Description
Technical field
The invention belongs to a kind of device of exhaustor for kitchen, be specifically related to a kind ofly can improve the smoke exhaust ventilator suction efficiency and can reduce the exhaustor for kitchen of the discharge noise that produces from spray nozzle part according to section's Anda effect.
Background technology
In general, exhaustor for kitchen is arranged on kitchen range top top, the device that high temperature hot gas that produces during culinary art and contaminated air discharge; Or the high temperature hot gas that when culinary art produced and the contaminated air filter by smoke exhaust ventilator inside filters the device of back to indoor air feed.If when in the kitchen exhaust outlet being arranged, the contaminated air that smoke exhaust ventilator produces when utilizing double suction to go into axial-flow fan culinary art discharges by the straight tube that links to each other with the axial-flow fan outlet after the filter filtration by the smoke exhaust ventilator bottom surface again.If when not having exhaust outlet in the kitchen, smoke exhaust ventilator by the axial-flow fan inhaled air by behind the recirculating filter from the new kitchen air feed of giving.In order to overcome the deficiency, in the patent No. is the utility model of 20-2001-16701, to have introduced and prevented and effectively solved elevated temperature heat and polluter problem points, and effectively utilized the exhaustor for kitchen of kitchen space to kitchen and indoor other spaces diffusions.
As shown in Figure 1, 2, the exhaustor for kitchen of prior art comprises: the suction portion 10 of the grease filter 11 that relative ceiling horizontal direction is provided with, be arranged on the side top of suction portion 10 and be provided with the discharge duct 20 that room air that the handle of scavenger fan 21 sucks from suction portion 10 discharges, be arranged on discharge duct 20 on filter 22 and discharge duct 20 adjacent parts that are arranged on suction portion 10 upsides of scavenger fan 21 upsides be provided with air-feeding ventilator 30 with air-feeding ventilator 30 links to each other, the end is bent downwardly shape pipeline 40; In the end of pipeline 40 spray nozzle part 50 is set, spray nozzle part 50 is by downward nozzle 51 and forms the guide portion 52a of drum in the end and guide nozzle 52 to constitute, is provided with filter 31 at peristome.Pipeline 40 is provided with the guide vane that separates downward nozzle 51 and guiding nozzle 52, can control the wind speed of downward nozzle 51 and the wind speed of guiding nozzle 52 respectively, and can control the wind speed of scavenger fan 21.Can blow to the bottom of smoke exhaust ventilator according to about 8～15% the air quantity of ' section's Anda principle ' smoke exhaust ventilator capacity, therefore can blow to the smoke exhaust ventilator inboard to the elevated temperature heat and the oil smoke (grease) that produce during culinary art in the kitchen.When culinary cuisine, using existing exhaustor for kitchen, at first following most of polluter that produces when cooking of the effect of the scavenger fan in being arranged on discharge duct 20 21 is drawn into suction portion 10, and, under the effect of air-feeding ventilator 30, suck room air by discharging by discharge duct 20 under the grease filter 11 filter oil smectic attitudes.Inhaled air passes through spray nozzle part 40 to indoor discharge.A part to indoor discharge, plays the effect of the polluter that produces in the dilution culinary art by downward nozzle 51.Another part is discharged by guiding nozzle 52, plays a polluter to suction portion 10 aggtegation.Be formed with columnar guide portion 52a on the guiding nozzle 52, discharge to suction portion 10 along the curved surface of guide portion 52a,, discharge at a high speed though air quantity is few by air-feeding ventilator 30 inhaled airs.The high-speed air of discharging has very strong aggregation force, and it can be assembled the suction of suction portion 10 less than the suction portion 10 to external diffusion under the effect of scavenger fan 21.
As shown in Figure 3, according to patent EP019255573, exhaustor for kitchen does not have air-feeding ventilator.This exhaustor for kitchen comprises: the suction portion 4 in lower pipeline 14 is provided with filter 2, in lower pipeline 4 inside smoke pumping fan 8 is set.The contaminated air that flows into from arrow 6 directions under the effect of smoke pumping fan 8 discharges by outlet 10 and upper pipe 12 direction from arrow 32.Side in lower pipeline 14 is provided with return flow line 20,22, causes the part contaminated air of discharge to be discharged from arrow 26 directions to the smoke exhaust ventilator below.Be provided with blast regulator 16 at the middle part of smoke exhaust ventilator, can utilize menu operation portion 36 or electronic component 30 manually or automatically to regulate.For downside formation section Anda effect, strengthen the suction of smoke exhaust ventilator suction portion from narrow groove injection air at the smoke pumping cover.But the discharge noise that sends from the narrow groove of smoke pumping cover increases the smoke exhaust ventilator noise and makes troubles to the user.
Summary of the invention
For overcoming the shortcoming of prior art, the invention provides a kind of smoke exhaust ventilator with section's Anda effect, its advantage is high suction efficiency and reduces the discharge noise that nozzle sends.Smoke exhaust ventilator technical scheme of the present invention is: be included in horizontal discharge duct inside and be provided with and utilize section's Anda effect, improve smoke exhaust ventilator suction, suck the air feed stream that room air is used to the inboard of smoke pumping cover; Discharge side at the air feed stream is provided with the less spray nozzle part of width that improves the effect of discharge air velocity.The vertical exhaust pipes road that a room air (contaminated air) is discharged upward also is set, in the bottom in vertical exhaust pipes road, being connected as a single entity enlarges the horizontal discharge duct that forms; In the inside in vertical exhaust pipes road, the scavenger fan that sucks room air and upwards discharge is set; In horizontal discharge duct inboard, be provided with and suck air in kitchen and be fed to air feed stream below the scavenger fan; The curved face part of spray nozzle part and spray nozzle part air process is set in the discharge side of air feed stream; The feeder of using by air feed stream suck pollution air and air feed.Flow velocity increase, pressure reduce during contaminated air process curved face part, and supply and exhaust fan below air feed.End at the air feed stream of horizontal discharge duct is provided with air-feeding ventilator, and the air feed stream is that the side at vertical exhaust pipes road and horizontal discharge duct prolongs and forms.When if air-feeding ventilator is set, the kitchen pollution air that produces when starting behind the smoke exhaust ventilator by scavenger fan culinary art sucks, and discharges by the pipeline that is connected the scavenger fan outlet.Meanwhile, utilize air-feeding ventilator to suck the kitchen pollution air, and pass through air feed stream and spray nozzle part on the horizontal discharge duct, and discharge along smoke exhaust ventilator inner face upside curved face part.This moment, exhaust air quantity and air feed air quantity were regulated by scavenger fan and air-feeding ventilator.If when air-feeding ventilator not being set, the kitchen pollution air that when culinary art is produced by scavenger fan sucks and flows to the pipeline that is connected the scavenger fan outlet, and the part air in the contaminated air is discharged along smoke exhaust ventilator inner face upper curved surface portion by the air feed stream and the spray nozzle part of smoke pumping cover inside.The area that pipeline that this moment, the utilization adjusting was connected with outlet and the air feed stream in smoke exhaust ventilator inside combine is regulated the air feed air quantity.
Description of drawings
Fig. 1, the 2nd, the oblique view of a kind of structure of prior art exhaustor for kitchen and longitudinal sectional drawing;
Fig. 3 is the longitudinal sectional drawing of the another kind of structure of prior art exhaustor for kitchen;
Fig. 4 is the longitudinal sectional drawing of a kind of structure of exhaustor for kitchen of the present invention;
Fig. 5 is the longitudinal sectional drawing of the another kind of structure of exhaustor for kitchen of the present invention;
Fig. 6 is the transverse cross-sectional view of the wind supply quantity adjusting device of smoke exhaust ventilator of the present invention.
Wherein:
100 vertical exhaust pipes roads, 110 horizontal discharge ducts
120 grease filters, 140 air feed streams
141 spray nozzle parts, 142 curved face part
150 air feed streams, 200 scavenger fans
300 air-feeding ventilators, 400 feeders
500 air feed volume adjusting apparatus, 510 adjustable plates
520 synchronous motors
The specific embodiment
Followingly exhaustor for kitchen of the present invention is elaborated with reference to accompanying drawing:
As shown in Figure 4, it comprises and is arranged on the vertical exhaust pipes road 100 of on the ceiling room air being discharged upward, bottom in vertical exhaust pipes road 100, be connected as a single entity and enlarge the horizontal discharge duct 110 that forms, be arranged on the inside in vertical exhaust pipes road 100, the scavenger fan 200 that sucks room air and upwards discharge, be formed on the inboard of horizontal discharge duct 110, air is to the air feed stream 140 of scavenger fan 200 belows in the suction kitchen, discharge the spray nozzle part 141 that side forms at air feed stream 140, the curved face part 142 of the room air process by spray nozzle part 141 is carried out the feeder 400 of air feed from air feed stream 140 suck pollution air.When contaminated air passed through curved face part 142, flow velocity increased, pressure reduces, and to scavenger fan 200 below air feed.Feeder 400 is in the end of the air feed stream 140 of horizontal discharge duct 110 air-feeding ventilator 300 to be set by utilization to constitute.The exhaust air quantity that is gone out by vertical exhaust pipes road 100 and to the air feed air quantity of air feed stream 140 air feed is regulated by scavenger fan 200 and air-feeding ventilator 300.
The course of work and the Action Specification of exhaustor for kitchen of the present invention are as follows:
After smoke exhaust ventilator starts, the kitchen room air (contaminated air) that produces during culinary art, under the suction of scavenger fan 200,, discharge by vertical exhaust pipes road 100 at last by after being arranged on grease filter 120 below the horizontal discharge duct 110 and filtering polluters such as cigarettes, peculiar smell, mist of oil.Under the effect of air-feeding ventilator 300, at horizontal scavenger fan 110 upper lateral parts, flow into the room air in the air feed stream 140 of horizontal discharge duct 110 inside, accelerate flow velocity when slyness flows through air feed stream 140 and passes through spray nozzle part 141, under scavenger fan 200 effects, below scavenger fan 200, discharge.Smoke exhaust ventilator is provided with scavenger fan 200 and air-feeding ventilator 300 that other adds.The suction inlet of air-feeding ventilator 300 be arranged on horizontal discharge duct 110 above, outlet is connected with the air feed stream 140 of smoke pumping cover 130 inside.When the air by air feed stream 140 flows through spray nozzle part 141 and stream curved face part 142, speed up, pressure reduces, thereby improved the suction efficiency of smoke exhaust ventilator, and reduced the discharge noise that sends by the spray nozzle part 141 that is arranged on smoke pumping cover 130 inside.
Shown in Fig. 5,6, an alternative embodiment of the invention comprises: air-supplying valve 400 has utilized scavenger fan 200, and air feed stream 140 is to be connected as a single entity with the air feed stream 150 that extends to a side in vertical exhaust pipes road 100.Be provided with the air feed volume adjusting apparatus 500 of regulating the air feed air quantity in the inflow side of air feed stream 150, this air feed volume adjusting apparatus 500 comprises the rotatable adjustable plate 510 of a side that is arranged on air feed stream 150 and is fixed on the synchronous motor 520 of a sideway swivel adjustable plate 510 in vertical exhaust pipes road 100.In the end, inflow side of air feed stream 150, can form an inlet and an air feed volume adjusting apparatus 500 can only be set; Perhaps can form two inlets and two air feed volume adjusting apparatus 500 are set.
The course of work and Action Specification to an alternative embodiment of the invention are as follows:
After smoke exhaust ventilator starts, the kitchen room air (contaminated air) that produces during culinary art, under the suction of scavenger fan 200,, discharge by vertical exhaust pipes road 100 at last by after being arranged on grease filter 120 below the horizontal discharge duct 110 and filtering polluters such as cigarettes, peculiar smell, mist of oil.Act on the part contaminated air of discharging down by scavenger fan 200 and flow in the air feed stream 150,140, accelerate flow velocity when slyness flows through the curved face part 142 of air feed stream 140 and passes through spray nozzle part 141, under scavenger fan 200 effects, below scavenger fan 200, discharge.The air of the air feed stream 150,140 of the outlet by being connected scavenger fan 200, when flowing through spray nozzle part 141 and stream curved face part 142, speed up, pressure reduces, thereby improved the suction efficiency of smoke exhaust ventilator, and reduced the discharge noise that sends by the spray nozzle part 141 that is arranged on smoke pumping cover 130 inside.
Claims (5)
1, a kind of exhaustor for kitchen, comprise be arranged on the ceiling room air upward discharge function vertical exhaust pipes road (100) and in the bottom of vertical exhaust pipes road (100), be connected as a single entity and enlarge the horizontal discharge duct (110) that forms, it is characterized in that: also comprise the inside that is arranged on vertical exhaust pipes road (100), the scavenger fan (200) that sucks room air and upwards discharge, the inboard that is arranged on horizontal discharge duct (110) sucks the air feed stream (140) of air air feed below scavenger fan (200) in the kitchen, discharge the curved face part (142) of spray nozzle part (141) that side forms and the room air process by spray nozzle part (141) at air feed stream (140), carry out the feeder (400) of air feed from air feed stream (140) suck pollution air.
2, exhaustor for kitchen according to claim 1 is characterized in that: feeder (400) is air-feeding ventilator (300) formation by the end setting of the air feed stream (140) on horizontal discharge duct (110).
3, exhaustor for kitchen according to claim 1 is characterized in that: feeder (400) comprises scavenger fan (200), and air feed stream (140) is to be made of for one the air feed stream (150) that prolongs to vertical exhaust pipes road (100) one sides.
4, exhaustor for kitchen according to claim 3 is characterized in that: be provided with the air feed volume adjusting apparatus (500) of regulating the air feed air quantity in the inflow side of air feed stream (150).
5, exhaustor for kitchen according to claim 4 is characterized in that: air feed volume adjusting apparatus (500) comprises by being arranged on the air feed stream rotatable adjustable plates of (150) one sides (510) and being fixed on a side in vertical exhaust pipes road (100) and can rotating the synchronous motor (520) of adjustable plate (510).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072142 CN1752591A (en) | 2004-09-24 | 2004-09-24 | Exhaustor for kitchen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072142 CN1752591A (en) | 2004-09-24 | 2004-09-24 | Exhaustor for kitchen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1752591A true CN1752591A (en) | 2006-03-29 |
Family
ID=36679547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410072142 Pending CN1752591A (en) | 2004-09-24 | 2004-09-24 | Exhaustor for kitchen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1752591A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1773174B (en) * | 2004-11-10 | 2010-10-06 | Lg电子株式会社 | Exhaust hood |
| CN111425903A (en) * | 2020-04-15 | 2020-07-17 | 宁波方太厨具有限公司 | Fume exhaust fan |
-
2004
- 2004-09-24 CN CN 200410072142 patent/CN1752591A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1773174B (en) * | 2004-11-10 | 2010-10-06 | Lg电子株式会社 | Exhaust hood |
| CN111425903A (en) * | 2020-04-15 | 2020-07-17 | 宁波方太厨具有限公司 | Fume exhaust fan |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20060329 |