CN209459004U - A kind of common duct smoke evacuation system - Google Patents

Abstract

The utility model relates to a kind of common duct smoke evacuation systems, include common duct；First smoke pipe, at least one group and every group at least there are two, the first end of each first smoke pipe is located in common duct, and second end penetrates common duct；Further include the first blower that at least one is located at common duct, there is the first air outlet and the first air inlet, each first air inlet is connected with the first end of corresponding first smoke pipe respectively；At least one is located at the second blower in common duct, with the second air outlet and at least two second air inlets, and on oil smoke flow path, second blower is located at the downstream of corresponding first blower, its second air inlet is connected with the first air outlet of corresponding first blower, and the second air outlet is connected with common flue.The utility model increases exhausting amount by making other the first blower of each household and common second fans in series, and other public blower of more families, and relative to each household, other configures the mode of two series connection blowers, reduces the quantity of blower.

Description

A kind of common duct smoke evacuation system

Technical field

The utility model relates to the elimination technique fields of smoke, and in particular to a kind of common duct smoke evacuation system.

Background technique

High level cell oil smoke, which is concentrated, at present is discharged into common flue, and in culinary art peak period, each range hood is all logical Included blower is crossed actively to discharge fume into common flue.It so will cause in range hood work, included blower operating, It is larger to will cause noise in kitchen.In view of the above-mentioned problems, Patent No. ZL201611253474.2 (Publication No. CN106560657A Chinese invention patent) discloses " a kind of center lampblack purifying system and its real-time automatic control mode ", Including common flue, each layer kitchen is equipped with the connecting tube connecting with common flue, the upper end series winding oil fume purifier of common flue And blower, each layer kitchen are equipped with exhaust fume collecting hood, exhaust fume collecting hood is connect by connecting tube with common flue.

In the technical solution of above-mentioned patent, what is installed in each layer kitchen is no longer traditional kitchen ventilator with blower, and It is the exhaust fume collecting hood for not including blower, since the blower of active air draft being no longer arranged in wind-collecting cover, is opening smoke pumping function When energy, kitchen is still quiet, the fan noise of absolutely not traditional range hood.

Such design eliminates blower in each layer kitchen in kitchen ventilator, using only common flue upper end blower into Row exhausting is to bring negative pressure in common flue, and so being distributed from common flue through connecting tube to the exhaust fume collecting hood in every layer of kitchen is all Negative pressure can siphon away the oil smoke in this layer of kitchen, and the kitchen in use is mostly and few, oil smoke amount it is mostly and few, can pass through tune Blower exhausting amount is saved to be adapted to.But the sufficiently large blower of power need to be so configured, and current skyscraper floor is all more, In the case that when cooking peak period, easily generation blower has been run to rated maximum power, exhausting amount is still unable to meet demand, Cause oil smoke in common flue that cannot be discharged in time, the problem of oil smoke reverse irrigation even occur；Especially for low layer user, oil smoke It does not arrange not go out easily.

Utility model content

First technical problem to be solved in the utility model is the status for the prior art, is provided a kind of by more Other public blower of family and the common duct smoke evacuation system for being both able to satisfy exhausting demand, having can be reduced blower quantity.

Second technical problem to be solved in the utility model is the status for the prior art, provides a kind of energy reduction The common duct smoke evacuation system of noise in kitchen.

The utility model solves technical solution used by above-mentioned first technical problem are as follows: a kind of common duct smoke evacuation system It unites, includes

Common duct, is provided on side wall and the indoor exhaust smoke hole being connected to；

First smoke pipe, at least one group and every group at least there are two, the first end of each first smoke pipe is located at the public cigarette In road, second end penetrates the exhaust smoke hole of the common duct；

It is characterized in that, further including having

At least one first blower is located in the common duct, has the first air outlet and the first air inlet, described each A first air inlet is connected with the first end of corresponding first smoke pipe respectively；

At least one second blower is located in the common duct, has the second air outlet and at least two second air inlets Mouthful, and on oil smoke flow path, second blower is located at the downstream of corresponding first blower, the second air inlet with it is right First air outlet of the first blower answered is connected, and the second air outlet is connected with common duct.

For the exhausting amount for further improving blower, the second air inlet of second blower and corresponding first blower First air outlet is connected by the second smoke pipe, and second smoke pipe has telescopic folding structure, while in the common duct Further include the driving mechanism having for driving second blower mobile, makes second blower close to or far from same group first One of them in smoke pipe.For convenient for statement, two users for sharing second blower are respectively that left side user and right side are used Family, when left side user starts range hood and right side user's not enabled, the second blower is used to the left under the action of the drive mechanism Family man is close, to reduce losing along stroke pressure for smoke pipe in oil smoke discharge process；Similarly, when right side user start range hood and When the user's not enabled of left side, user family is close to the right under the action of the drive mechanism for the second blower；When two simultaneously in use, the Two blowers are generally in two middle positions.

It is oriented to for the motion track to the second blower, each second blower correspondence is installed on guide rod, the guide rod Direction along the first smoke pipe of the second blower to respective side extends, and the driving mechanism drives the second blower to move along guide rod.

The driving mechanism can have a variety of structures form, it is preferable that the driving mechanism include the first transmission mechanism and Second transmission mechanism, first transmission mechanism include the motor of opposite common duct fixed setting, set on motor output end First teeth portion and the second teeth portion being sheathed on guide rod, the first teeth portion and the engagement of the second teeth portion；The second transmission mechanism packet The threaded portion being set on guide rod and the interconnecting piece being threadedly coupled with aforementioned threads portion are included, the interconnecting piece is set to the second blower On.In this way, not only improving the running stability of the second blower, and mobile shorter distance can reach scheduled position.

Preferably, the telescopic folding structure is bellows.

The utility model solves technical solution used by above-mentioned second technical problem are as follows: the second end of each first smoke pipe The exhaust smoke hole for penetrating the common duct is connected with the exhaust fume collecting hood of respective side.No setting is required on such indoor range hood wind Machine carries out suction oil smoke by the blower in common duct, and more families other can a public blower, reduce the quantity of blower, Cost is reduced, and all blowers are placed in common duct, room noise is small.

Being equipped in order to improve the mist extractor effect for the user for opening kitchen ventilator, between first air inlet and exhaust fume collecting hood will The valve module of the two connection or isolation.Otherwise when blower works, can the user to all public blowers (including do not open oil suction Smoke machine) it smokes, cause air quantity to waste.When range hood in use, valve module is opened, it can smoothly discharge fume, work as oil suction When smoke machine is closed, valve module is shut off, and prevents oil smoke from flowing backward and continuing air-breathing.

To prevent the first smoke pipe and exhaust fume collecting hood inner product oil from excessively influencing service life, which further includes spray thrower Structure, the exhaust fume collecting hood lower section are equipped with deflector, and the rear side of the deflector is equipped with the lubricating cup in bar shaped, and the spraying mechanism goes out Water end (W.E.) is located in the first smoke pipe.So under the idle state of range hood, spraying mechanism is sprayed downwards with detergent Water mist, the water mist with detergent can dissolve the grease for being attached to its surface when passing through device downstream, final to import oil Cup.

Preferably, the spraying mechanism includes spray head, catheter and cleansing medium the supply machine with the water outlet Structure, described catheter one end are connected with cleansing medium feed mechanism, and the other end is connected with spray head.

Short circuit, along oil smoke flow path, the exhaust fume collecting hood and first occur when opening next time for range hood in order to prevent Heating device is equipped between smoke pipe.So after blower unlatching, heating device work, hot wind will constantly pass through collection cigarette at this time The devices such as cover, smoke pipe, take away moisture.

Oil accumulation excessively influences the service life or increases maintenance load on impeller to prevent blower, first smoke pipe and collection Electrostatic filter is equipped between petticoat pipe or between the first smoke pipe and the first air inlet.So electrostatic filter is arranged in wind The upstream (pressing oil smoke flow direction) of machine, oil smoke available effective purification before entering blower fan system, to be conducive to protect The cleaning of draught fan impeller is held, after-sales service is very convenient, and oil smoke is avoided to be adsorbed on blower and increase blower maintenance workload.

To prevent the oil smoke of common duct from flowing backward into indoor influence kitchen environment, first smoke pipe is interior to be equipped with for detecting The sensor of oil smoke concentration and pressure in first smoke pipe, and the electrostatic filter is electrically connected with sensor as aforementioned.Work as oil suction The air pressure of overproof oil smoke and ecto-entad is detected when smoke machine does not work, electrostatic filter can be opened, even if there is oil Cigarette pours into, and electrostatic filter can be adsorbed, and substantially improves indoor environment.

Compared with prior art, the advantages of the utility model: 1, the utility model is by making other the first blower of each household With common second fans in series, exhausting amount not only can increase, improve oil smoke expulsion efficiency and guarantee that oil smoke is arranged out of common duct Out, and other public blower of more families, relative to each household, other configures the mode of two series connection blowers, reduces the number of blower Amount；2, blower fan system is set in the biggish common duct in space, not only solves the big problem of blower noise disposed within, It is limited to also solve range hood inner space, blower fan system is not easy to the problem of being arranged；3, common the of the utility model Two blowers can move back and forth between other at two families as needed, to reduce losing along stroke pressure for oil smoke, improve blower Smoke absorption effect；4, along the flow direction of oil smoke, electrostatic filter, oil smoke is arranged in the upstream of the first blower in the utility model Available effective purification before entering blower fan system avoids oil smoke from adsorbing to be conducive to keep the cleaning of draught fan impeller Increase blower maintenance workload on blower.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment；

Fig. 2 is the partial sectional view of Fig. 1；

Fig. 3 is the partial structure diagram of Fig. 1；

Fig. 4 is the structural schematic diagram of the valve module of Fig. 3；

Fig. 5 is the structural scheme of mechanism of the first blower of Fig. 1；

Fig. 6 is the structural schematic diagram of the first transmission mechanism of Fig. 1.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

As shown in figs. 1 to 6, the common duct smoke evacuation system of this preferred embodiment includes common duct 1, the first smoke pipe 2, One blower 3 and the second blower 5, the first blower 3 include spiral case and the impeller in spiral case.Be provided on 1 side wall of common duct with The exhaust smoke hole 11 of indoor connection, in the present embodiment, the first smoke pipe 2 has there are two one group and every group, the second end of each first smoke pipe 2 The exhaust smoke hole 11 for penetrating the common duct 1 is connected with corresponding exhaust fume collecting hood 21.

Two the first blowers 3 are respectively positioned in common duct 1, each first blower 3 all have the first air outlet 33 and first into First air inlet 31 in air port 31, each first blower 3 is connected with the first end of corresponding first smoke pipe 2, in exhaust smoke hole 11 Equipped with the valve module 4 that the first air inlet 31 is connected to or is isolated with the first smoke pipe 2；One the second blower 5 also is located at common duct In 1, which has the second air outlet 52 and two opposite the second air inlets 51, and on oil smoke flow path, Second blower 5 is located at the downstream of the first blower 3, the second air inlet 51 of the second blower 5 and the first of corresponding first blower 3 Air outlet 33 is connected by the second smoke pipe, and the second air outlet 52 is connected with common duct 1, that is, the second blower 5 It is public blower, and is connected in series simultaneously with two the first blowers 3.

Second smoke pipe has telescopic folding structure, and in the present embodiment, which is bellows 22.Second blower 5 are set to the power output end of a driving mechanism and can move back and forth between same group of two the first smoke pipes 2, i.e., close or remote From one of them in one group of first smoke pipe 2.

Guide rod 61 is equipped in common duct 1, guide rod 61 extends from one in every group of first smoke pipe 2 to another, drives Motivation structure includes the first transmission mechanism 63 and the second transmission mechanism, and the first transmission mechanism 63 includes motor 631, is set to motor 631 First teeth portion 632 of output end and the second teeth portion 633 on guide rod 61, the first teeth portion 632 and the engagement of the second teeth portion 633 To make guide rod 61 rotate around own axes.Second transmission mechanism include threaded portion 611 on the guide rod 61 and with it is aforementioned The interconnecting piece 32 that threaded portion 611 is threadedly coupled, interconnecting piece 32 are set on the second blower 5, such guide rod 61 and the formation of interconnecting piece 32 The structure of screw nut driving, when guide rod 61 rotates, the second blower 5 is moved under the drive of interconnecting piece 32 along guide rod 61, thus Close to or far from one of them in one group of first smoke pipe 2.

In the present embodiment, valve module 4 includes the shaft 41 being arranged along the symmetry axis of exhaust smoke hole 11, is hinged in shaft 41 The symmetrical valve block 42 of two panels and can lock and discharge the locking assembly 43 of valve block 42, the gross area of two panels valve block 42 and smoke evacuation The internal diameter in hole 11 match and valve block 42 can 41 Unscrews or closing around the shaft, when valve block 42 is by the second blower 5 Wind-force act on and open, when valve block 42 in the case where being not affected by external force, be automatically closed under the action of elastic component 44, this implementation In example, which is torsional spring and is sheathed in shaft 41.

The effect of locking assembly 43 is to ensure that valve block 42 is closed, without opening in non-required situation, settable In the wall in 11 outside of exhaust smoke hole, including screw rod 431, motor 432, connector 433 and locking member 434, screw rod 431 is by electricity The driving of machine 432 simultaneously extends towards valve block 42, and connector 433 is threadedly connected on screw rod 431, is had on locking member 434 for valve block 42 openings towards valve block 42 being caught in, the opening are adapted with 42 thickness of valve block.In the present embodiment, it is open by two bars 435 Interval is arranged and is formed.

For convenient for statement, two users for sharing second blower 5 are respectively left side user and right side user, work as left side User start range hood and when the user's not enabled of right side, the unlatching of valve module 4 of left side user man, the valve module of right side user man 4 close, user family is close to the left under the action of the drive mechanism for the second blower 5, with reduce in oil smoke discharge process along journey pressure Power loss；Similarly, when right side user starts range hood and left side user's not enabled, the second blower 5 is in driving mechanism function Under to the right user family it is close；When two simultaneously in use, two valve modules 4 are opened, the second blower 5 is generally in two Middle position.

Electrostatic filter 7, the air inlet and collection cigarette of electrostatic filter 7 are equipped between exhaust fume collecting hood 21 and the first smoke pipe 2 The air outlet of cover 21 is connected, and the air outlet of electrostatic filter 7 is connected with the air inlet of the first smoke pipe 2.So by electrostatic The upstream (by oil smoke flow direction) of the first blower 3 is arranged in purification device 7, and oil smoke is available before entering blower fan system Effectively purification, to be conducive to keep the cleaning of draught fan impeller, after-sales service is very convenient.

The common duct smoke evacuation system further includes that spraying mechanism 8, deflector 22a and lubricating cup 23 are led along oil smoke flow path The downstream of flowing plate 22a sets gradually exhaust fume collecting hood 21 and electrostatic filter 7, and deflector 22a is set to the lower section of exhaust fume collecting hood 21, lubricating cup 23 bar shapeds extended in left and right and the rear side for being set to deflector 22a.Spraying mechanism 8 includes spray head 81, catheter 82 and cleaning Media feed mechanism 83,82 one end of catheter are connected with cleansing medium feed mechanism 83, and the other end is connected with spray head 81, The water outlet of spray head 81 is located in the first smoke pipe 2 and towards electrostatic filter 7.So filled in range hood and electrostatic depuration It sets under 7 idle states, spraying mechanism 8 sprays downwards the water mist for having detergent, is passing through electrostatic with detergent water mist When purification device 7, the grease for being attached to its surface can be dissolved, it is final to import lubricating cup 23.

Short circuit, electrostatic filter 7 and collection occur when opening next time for it in order to prevent after the cleaning of electrostatic filter 7 Heating device 9 is equipped between petticoat pipe 21, in the present embodiment, heating device 9 is made of more heating tubes.So in smoking machine first Blower 3 is opened, and heating device 9 works, and hot wind will constantly pass through electrostatic filter at this time, take away remaining moisture.

To prevent the oil smoke of common duct 1 from flowing backward into indoor influence kitchen environment, it is equipped in the first smoke pipe 2 for detecting the The sensor of oil smoke concentration and pressure in one smoke pipe 2, and electrostatic filter 7 is electrically connected with sensor as aforementioned.Work as range hood Sensor detects the air pressure of overproof oil smoke and ecto-entad when not working, and control electrostatic filter 7 is opened, even if There is oil smoke to pour into, electrostatic filter 7 can be adsorbed, and indoor environment is substantially improved.

Fuel reserve tank 12 is equipped on the side wall of common duct 1, by leading between fuel reserve tank 12 and the first blower 3 of respective side Pipe 53 is connected to, if having a little oil accumulation in the first blower 3, can be flow in fuel reserve tank 12 by conduit 53.

Claims (12)

1. a kind of common duct smoke evacuation system, includes

Common duct (1), is provided on side wall and the indoor exhaust smoke hole (11) being connected to；

First smoke pipe (2), at least one group and every group at least there are two, the first end of each first smoke pipe (2) is located at described public In flue (1), second end penetrates the exhaust smoke hole (11) of the common duct (1)；

It is characterized in that, further including having

At least one first blower (3) is located in the common duct (1), has the first air outlet (33) and the first air inlet (31), each first air inlet (31) is connected with the first end of corresponding first smoke pipe (2) respectively；

At least one second blower (5) is located in the common duct (1), has the second air outlet (52) and at least two the Two air inlets (51), and on oil smoke flow path, second blower (5) is located at the downstream of corresponding first blower (3), Its second air inlet (51) is connected with the first air outlet (33) of corresponding first blower (3), the second air outlet (52) with Common duct (1) is connected.

2. common duct smoke evacuation system according to claim 1, it is characterised in that: the second air inlet of the second blower (5) (51) it is connected with the first air outlet (33) of corresponding first blower (3) by the second smoke pipe, second smoke pipe, which has, to be stretched Contracting foldable structure, while further including the driving machine having for driving second blower (5) mobile in the common duct (1) Structure makes the second blower (5) close to or far from one of them in same group of the first smoke pipe (2).

3. common duct smoke evacuation system according to claim 2, it is characterised in that: the corresponding installation of each second blower (5) In on guide rod (61), the guide rod (61) extends along the direction of the first smoke pipe (2) of the second blower (5) to respective side, the drive Motivation structure drives the second blower (5) mobile along guide rod (61).

4. common duct smoke evacuation system according to claim 3, it is characterised in that: the driving mechanism includes the first transmission Mechanism (63) and the second transmission mechanism, first transmission mechanism (63) include the motor of opposite common duct (1) fixed setting (631), the second teeth portion (633) for being set to first teeth portion (632) of motor (631) output end and being sheathed on guide rod (61), First teeth portion (632) and the second teeth portion (633) engagement；Second transmission mechanism includes the threaded portion on guide rod (61) (611) and with aforementioned threads portion (611) interconnecting piece (32) being threadedly coupled, the interconnecting piece (32) are set to the second blower (5) On.

5. common duct smoke evacuation system according to claim 4, it is characterised in that: the telescopic folding structure is bellows (22)。

6. common duct smoke evacuation system according to claim 1, it is characterised in that: the second end of each first smoke pipe (2) is worn The exhaust smoke hole (11) for entering the common duct (1) is connected with the exhaust fume collecting hood (21) of respective side.

7. common duct smoke evacuation system according to claim 6, it is characterised in that: the first air inlet (31) sum aggregate cigarette Cover the valve module (4) for being equipped between (21) and the two being connected to or is isolated.

8. common duct smoke evacuation system according to claim 6, it is characterised in that: further include spraying mechanism (8), the collection It is equipped with deflector (22a) below petticoat pipe (21), the rear side of the deflector (22a) is equipped with the lubricating cup (23) in bar shaped, the spray The water outlet of leaching mechanism (8) is located in the first smoke pipe (2).

9. common duct smoke evacuation system according to claim 8, it is characterised in that: the spraying mechanism (8) includes having Spray head (81), catheter (82) and the cleansing medium feed mechanism (83) of the water outlet, described catheter (82) one end with Cleansing medium feed mechanism (83) is connected, and the other end is connected with spray head (81).

10. common duct smoke evacuation system according to claim 8, it is characterised in that: along oil smoke flow path, the collection cigarette It covers and is equipped with heating device (9) between (21) and the first smoke pipe (2).

11. common duct smoke evacuation system described in any claim according to claim 1~5, it is characterised in that: described Electrostatic filter (7) are equipped between one smoke pipe (2) and exhaust fume collecting hood (21).

12. common duct smoke evacuation system according to claim 11, it is characterised in that: be equipped in first smoke pipe (2) For detecting the sensor of the first smoke pipe (2) interior oil smoke concentration and pressure, and the electrostatic filter (7) and sensor as aforementioned Electrical connection.