CN109163366A

CN109163366A - Fill smoke exhaust

Info

Publication number: CN109163366A
Application number: CN201811329022.7A
Authority: CN
Inventors: 张爽
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-09
Filing date: 2018-11-09
Publication date: 2019-01-08

Abstract

The present invention relates to a kind of mechanical devices, i.e. one kind fills smoke exhaust, including suspended hood (2), blower (3) and air-exhausting duct (4), it is characterized by: suspended hood (2) periphery is equipped with multiple air holes (6), each air holes (6) communicates with blast pipe (5), and the outer end of blast pipe (5) leads to outdoor.The beneficial effect is that: when kitchen ventilator work, outdoor air will be entered the room in the surrounding of kitchen ventilator, supplement indoor air, interior is not in negative pressure, and the exhaust resistance of kitchen ventilator is greatly reduced, and the output power and specification of blower are smaller, equipment cost reduces, and energy-saving effect is significant.Air curtain is formed in kitchen ventilator surrounding simultaneously, oil smoke is wrapped in through air-exhausting duct and outdoor is discharged together, avoid oil smoke to indoor diffusion, reduce the loss of room temperature, it is expected to drive the update of kitchen ventilator.

Description

Fill smoke exhaust

Technical field

The present invention relates to a kind of mechanical device, i.e. one kind fills smoke exhaust.

Background technique

Kitchen ventilator, also referred to as smoke exhaust ventilator, range hood etc., main component have suspended hood, blower, air-exhausting duct etc., are mounted on Above the hearth in kitchen, air-exhausting duct is extended to outdoor, and the oil smoke that cooking process is generated is discharged indoor.Some can also discharge Gas filtration, collect harmful substance, prevent pollution environment.Currently, kitchen ventilator application is very wide, many restaurants and ordinarily resident's It is assembled with kitchen ventilator on hearth, for purifying the air of a room, improves the general level of the health and quality of life of people, has all played important Effect.But in recent years, many kitchen ventilators all occur oil smoke extract it is out of strength, in the case where kitchen ventilator starts, hearth Oil smoke is still to the phenomenon that indoor diffusion.The study found that the room that is primarily due to of this phenomenon was closed sternly, kitchen ventilator work After a period of time, indoor gas source is insufficient, forms negative pressure.Especially northern China, low temperature season is longer, and the door and window in room all compares Relatively tight, door and window innovation in recent years is very fast in addition, and the thermal and insulating performance of door and window is become better and better, and the confined condition in room generally changes Kind, after kitchen ventilator work, indoor air pressure will soon cause to spread in oil smoke room lower than outdoor.Air pressure is lower than indoors In the case where outdoor air pressure, kitchen ventilator is the gas at low pressure to discharge at high pressure, and working resistance increases, the output power of blower It increases, energy consumption and equipment cost increase substantially.

Summary of the invention

The object of the present invention is to provide one kind to fill smoke exhaust, and after this kitchen ventilator starts, indoor air can be obtained It is not in negative pressure to supplement, the working resistance of blower is small, and the oil smoke of hearth can only discharge outward, will not be to indoor diffusion.

Above-mentioned purpose is realized by the following technical solutions: proposing that one kind fills smoke exhaust, including suspended hood, blower and row Pipe is put, its main feature is that: the suspended hood periphery is equipped with multiple air holes, and each air holes is communicated with blast pipe, the outer end of blast pipe Towards outdoor.

The blast pipe is equipped with switch.

The switch is a hand-operated valve.

The switch is an interstage valve, and the contact of interstage valve is located at the check valve side in air-exhausting duct, and check valve is opened When touch contact, interstage valve is opened.

The interstage valve is solenoid valve.

The switch is can be to the air-introduced machine of indoor inflation.

The contact of the air-introduced machine is located at the check valve side in air-exhausting duct, and check valve touches contact, air-introduced machine when opening It starts.

The suspended hood periphery includes the space around hearth, and indoor one end of the blast pipe extends to around hearth, The air holes is provided on the blast pipe around hearth.

The blast pipe passes through in air-exhausting duct.

Self closing door is equipped in the blast pipe, self closing door is the flap matched with air inlet bore, be located at into The setting section that air hose is bent downward, by self weight the bottom and close blast pipe, under vacuum suction indoors on put and open air inlet Pipe.

The beneficial effects of the present invention are: outdoor air will enter room in the surrounding of kitchen ventilator when kitchen ventilator work It is interior, supplement indoor air, interior is not in negative pressure, and the exhaust resistance of kitchen ventilator is greatly reduced, the output of blower Power and specification are smaller, and equipment cost reduces, and energy-saving effect is significant.Air curtain is formed in kitchen ventilator surrounding simultaneously, is wrapped in oil smoke Outdoor is discharged together through air-exhausting duct, avoids oil smoke to indoor diffusion, reduces the loss of room temperature, it is expected to drive kitchen ventilator more It is new to regenerate.

Detailed description of the invention

Fig. 1 is the main view of the first embodiment；

Fig. 2 is the left view of the first embodiment；

Fig. 3 is the use state main view of the first embodiment；

Fig. 4 is the main view of second of embodiment；

Fig. 5 is the main view of the third embodiment；

Fig. 6 is the main view of the 4th kind of embodiment；

Fig. 7 is the top view of the 4th kind of embodiment；

Fig. 8 is the main view of the 5th kind of embodiment；

Fig. 9 is the main view of the 6th kind of embodiment.

It is visible in figure: kitchen ventilator 1, suspended hood 2, blower 3, air-exhausting duct 4, blast pipe 5, air holes 6, exterior wall 7, hearth 8, unidirectionally Valve 9, switch 10, interstage valve 11, contact 12, self closing door 13.

The first embodiment: as shown in Figure 1 and Figure 2, this smoke exhaust that fills includes suspended hood 2, blower 3 and air-exhausting duct 4, It certainly further include other components.Wherein, the structure of suspended hood 2 and installation form may there are many, such as horizontal is mounted on Top suction type above hearth erects the side-stand type etc. for being mounted on hearth side.This example has been only exemplified by one kind, i.e., high outside and low outside is oblique Face formula.Certainly, also possible using other modes.As shown, the characteristics of this kitchen ventilator 1, is: 2 periphery of suspended hood Equipped with multiple air holes 6, each air holes 6 is communicated with blast pipe 5, and the outer end of blast pipe 5 leads to outdoor.It is in conjunction with Fig. 3 as it can be seen that this The suspended hood 2 of kitchen ventilator 1 is tiltedly mounted on the top of hearth 8, and air-exhausting duct 4 stretches out outdoor, and the outer end of blast pipe 5 passes through exterior wall 7 Reach outdoor.Compared with existing kitchen ventilator, this kitchen ventilator 1 increases an at least blast pipe 5, in the outer ring of suspended hood 2 Multiple air holes 6 are provided with, each air holes 6 is all communicated with blast pipe 5, and it is equivalent to blast pipe and has been coiled around suspended hood one week, Multiple air holes 6 are outputed on the tube wall of downside.

There is above-mentioned construction, this smoke exhaust that fills can work.After the blower 3 of kitchen ventilator 1 starts, hearth While 8 flue gases generated are discharged through air-exhausting duct 4, outdoor air also enters room from blast pipe 5 and around suspended hood It is interior.Since the entrance of air holes 6 and suspended hood keeps biggish distance, the air of entrance will not be siphoned away directly by suspended hood, but It to mix in the flue gas lower part of hearth with flue gas, then be extracted out by air-exhausting duct.Obviously, there is this air-intake device, so that it may supplement Indoor air, thus it is indoor would not because of kitchen ventilator work and generate negative pressure, oil smoke would not also be spread to interior.

In addition, the quantity of the air holes 6 can also there are many, multiple air holes 6. that both can be as represented in the figure or only There is a small amount of air holes 6 to be all possible as long as can satisfy the needs of air inlet.Air holes 6 can also extend downwardly one by tubule Section distance, is all to belong to equivalent structure.

By hydrodynamics common sense it is found that in the case that air pressure indoors is lower than outdoor air pressure, the flue gas of hearth generation It emits, first has to the pressure difference for overcoming indoor and outdoor, this requires blowers to export bigger power.If interior is not born Pressure, with outdoor pressure difference very little or be 0, the exhaust resistance of blower will be reduced, and electric energy that same flue gas expends is discharged just Can be greatly reduced, blower specification used can be smaller, and equipment cost will decline, this energy-saving effect be expected by To the favor in market, or even the update of a wheel kitchen ventilator can be caused.

Second of embodiment: it is improved on the basis of the first embodiment.As shown in figure 4, blast pipe 5 is equipped with switch 10. Certainly, without this switch 10, this smoke exhaust that fills is also that can work.But when idle, the air of outside It can also enter the room, indoor air can also go to outside.Especially during the cold season, room temperature can be reduced.For this purpose, into One switch is installed on air hose, switch is shut off when not working and stops circulation.Intake can also be adjusted by switch when work Size.Obviously, the form of this switch also there are many, the simplest switch 10 of structure is a hand-operated valve, and operator can To open or close as needed, the size of control switch can control the outflow of room air and the entrance of outdoor air.

The third embodiment: the switch of blast pipe is improved on the basis of previous embodiment.As shown in figure 5, institute Stating switch 10 is an interstage valve 11, and the contact 12 of interstage valve 11 is located at 9 side of check valve in air-exhausting duct 4.It works in blower When, check valve 9 upwardly opens under the action of the forces of the wind, and contact 12 is touched, and interstage valve is opened.When blower stops, check valve 9 It is fallen by self weight, 12 return of contact, switch 10 is accordingly turned off.

There are many forms of this interstage valve 11, can be solenoid valve, and being also possible to can be to the air-introduced machine of indoor inflation.Electricity The contact 12 of magnet valve or air-introduced machine is located at 9 side of check valve in air-exhausting duct 4, and contact 12, solenoid valve are touched when check valve is opened Or air-introduced machine starts.Certainly, also possible using other on-off modes.

4th kind of embodiment: a kind of equivalent way of optimization is provided on the basis of previous embodiment.Such as Fig. 6, Fig. 7 institute Show, indoor one end of blast pipe 5 extends to around hearth 8, and air holes 6 is provided on the blast pipe 5 around hearth 8.With it is aforementioned Embodiment is compared, and there are some variations in 6 position of air holes here, by becoming around hearth around suspended hood, but hearth week It encloses and also belongs to suspended hood peripheral space, it will be understood that belonging to equivalent structure.It is demonstrated experimentally that this mode, can not change It is installed under the premise of existing kitchen ventilator, and the position of air holes is lower, the outlet air of air holes is run up, and can more preferably be supported The burning of hearth fuel, and the flue gas that can also be generated with hearth preferably mixes, and emission effect is more preferably.

In addition, the quantity of the air holes 6 can also there are many, multiple air holes 6. that both can be as represented in the figure or only There is a small amount of air holes 6 to be all possible as long as can satisfy the needs of air inlet.

5th kind of embodiment: improving on the basis of previous embodiment, as shown in figure 8, this smoke exhaust that fills includes inhaling Fan housing 2, blower 3 and air-exhausting duct 4 and other components.2 periphery of the suspended hood is equipped with multiple air holes 6, each air holes 6 with Blast pipe 5 communicates, and the outer end of blast pipe 5 leads to outdoor.Indoor one end of either blast pipe 5 extends to around hearth 8, wind Hole 6 is provided on the blast pipe 5 around hearth 8.Its improvement is: the blast pipe 5 passes through in air-exhausting duct 4.So outside Blast pipe 5 is can't see in face, the punching of wall is reduced, mechanism beauty more compact.

6th kind of embodiment: the first, the 4th kind, the 5th kind of embodiment on the basis of improve.As shown in figure 9, described Self closing door 13 is equipped in blast pipe 5, self closing door 13 is the flap matched with 5 internal diameter of blast pipe, is located at blast pipe 5 Erect indicated in section, such as figure be blast pipe 5 horizontal direction extend after bending part still further below setting section, self closing door peace Mounted in here.Usually, self closing door 13 closes blast pipe 5 by the self weight bottom, and the wind of outside cannot enter the room.Work as kitchen ventilator When occurring negative pressure when work, around kitchen ventilator, self closing door under vacuum suction on put and open blast pipe 5, the wind of outside is It can enter the room.

Claims

1. one kind fills smoke exhaust, including suspended hood (2), blower (3) and air-exhausting duct (4), it is characterised in that: the suspended hood (2) periphery is equipped with multiple air holes (6), and each air holes (6) communicates with blast pipe (5), and the outer end of blast pipe (5) leads to outdoor.

2. filling smoke exhaust according to claim 1, it is characterised in that: the blast pipe (5) is equipped with switch (10).

3. filling smoke exhaust according to claim 2, it is characterised in that: the switch (10) is a hand-operated valve.

4. filling smoke exhaust according to claim 2, it is characterised in that: the switch (10) is an interstage valve (11), connection The contact (12) of dynamic valve (11) is located at check valve (9) side in air-exhausting duct (4), touches contact (12) when check valve (9) is opened, Interstage valve (11) is opened.

5. filling smoke exhaust according to claim 4, it is characterised in that: the interstage valve (11) is solenoid valve.

6. filling smoke exhaust according to claim 2, it is characterised in that: the switch (10) is can be to the air inducing of indoor inflation Machine.

7. filling smoke exhaust according to claim 6, it is characterised in that: the contact (12) of the air-introduced machine is located at air-exhausting duct (4) contact (12) are touched when check valve (9) is opened in check valve (9) side in, and air-introduced machine starts.

8. filling smoke exhaust according to claim 1, it is characterised in that: suspended hood (2) periphery includes around hearth (8) Space, indoor one end of the blast pipe (5) extends to around hearth (8), and the air holes (6) is provided with around hearth (8) Blast pipe (5) on.

9. filling smoke exhaust according to claim 1 or 8, it is characterised in that: the blast pipe (5) is in air-exhausting duct (4) Pass through.

10. filling smoke exhaust according to claim 1 or 8, it is characterised in that: be equipped with self closing door in the blast pipe (5) (13), self closing door (13) is the flap matched with air inlet bore, is located at the setting section that blast pipe (5) is bent downward, By self weight the bottom and close blast pipe (5), under vacuum suction indoors on put and open blast pipe (5).