CN210463161U

CN210463161U - Air balance bidirectional flow range hood

Info

Publication number: CN210463161U
Application number: CN201921322746.9U
Authority: CN
Inventors: 王宏革; 崔允华
Original assignee: Hunan Hongxiang Indoor Climate Technology Co Ltd
Current assignee: Hunan Hongxiang Indoor Climate Technology Co Ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-05-05
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses an air balance bidirectional flow range hood, which comprises a machine body, wherein a blower is arranged in the machine body, the top of the machine body is provided with an air supply valve, the air outlet of the blower faces to the bottom of the machine body, a smoke exhaust pipeline is also arranged in the machine body, the upper end of the smoke exhaust pipeline extends to the top of the machine body, an exhaust fan is arranged in the smoke exhaust pipeline, the upper end of the smoke exhaust pipeline is provided with a smoke exhaust valve, the bottom of the machine body is provided with an outer cover body, the bottom of the smoke exhaust pipeline is provided with a smoke collecting hood, the smoke collecting hood and the peripheral bottom of the outer cover body are both provided with downward bent parts, a square frame-shaped air outlet channel is formed between the bent part of the smoke collecting hood and the bent part of the outer cover body, during the work of the range hood, the smoke extracting amount and the air supply amount are basically, and the air curtain well isolates the oil smoke, avoids the outward diffusion of the oil smoke and reduces the influence of the oil smoke on kitchen users.

Description

Air balance bidirectional flow range hood

Technical Field

The utility model relates to the technical field of kitchen appliances, especially indicate an air balance bidirectional flow range hood.

Background

The cooking fume exhauster, also known as cooking fume exhauster, is a kitchen electric appliance for purifying kitchen environment, and is mounted over the kitchen range, and can quickly exhaust away the waste material burned by the range and the fume harmful to human body produced in the cooking process, and discharge the fume to the outside, so that it can reduce pollution, purify air and possess safety protection action of gas-proofing and explosion-proofing.

The development direction of current lampblack absorber improves the volume of airing exhaust for as far as, improves the volume of airing exhaust through improving the fan performance or adopting the mode of double fan, and the trade company also can mark the volume of airing exhaust of lampblack absorber emphatically when propaganda, and the inventor discovers: the mode of increasing the air exhaust volume to improve the oil smoke absorption effect has the defects, the energy consumption of the fan is increased due to the large air exhaust capacity, air with high indoor quality is exhausted together, negative pressure is formed indoors, outdoor low-quality air enters indoors, and under the condition that doors and windows are closed, the problems that the doors and windows are difficult to open, the sewer returns bad smell and the like are easily caused in the indoor negative pressure state.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides an air balanced bi-directional flow range hood to solve all or one of the above-mentioned drawbacks of the prior art.

Based on the above purpose, the utility model provides an air balance bidirectional flow range hood, which comprises a body, a blower is arranged inside the body, an air supply valve is arranged at the top of the body, an air inlet of the blower is communicated with one end of the air supply valve, an air outlet of the blower faces to the bottom of the body, an air supply pipe is arranged at the other end of the air supply valve, a smoke exhaust pipeline is further arranged inside the body, the upper end of the smoke exhaust pipeline extends to the top of the body, the lower end of the smoke exhaust pipeline extends to the bottom of the body, an exhaust fan is arranged inside the smoke exhaust pipeline, an exhaust valve is arranged at the upper end of the smoke exhaust pipeline, an air inlet of the exhaust fan faces to the bottom of the smoke exhaust pipeline, an air outlet of the exhaust fan is communicated with one end of the smoke exhaust valve, a smoke exhaust pipe is arranged at the other end, the bottom of exhaust pipe is equipped with the collection petticoat pipe of four prismatic table forms, the collection petticoat pipe all is equipped with decurrent kink with the bottom all around of the outer cover body, be formed with the air-out passageway of square frame shape between the kink of collection petticoat pipe and the kink of the outer cover body, the middle part of collection petticoat pipe is equipped with the filter mantle, the bottom of filter mantle is equipped with detachable oil cup.

Optionally, the bending parts of the smoke collecting hood and the outer hood body are inclined towards the vertical central line of the machine body.

Optionally, the exhaust fan is a centrifugal fan.

Optionally, the blower is an axial flow fan.

Optionally, the air supply valve is an electric gate valve.

Optionally, the smoke exhaust valve is a flue check valve.

From the above, the utility model provides an air balance bidirectional flow range hood, in the working process, the air feeder blows the air curtain of square frame shape downwards, the air exhauster extracts the oil smoke, the oil smoke amount is basically equivalent to the air supply amount, the indoor air is not extracted in large amount, negative pressure is not caused, thereby avoiding the phenomena that doors and windows are difficult to open and the sewer returns odor, also avoiding the air with lower outdoor quality from entering the room, and when the air conditioner is opened indoors, the effect of the indoor air conditioner is not influenced, the comfort of the indoor air conditioner is ensured, the outside air is prevented from entering, the power consumption is increased due to frequent work of the air conditioner, the oil smoke is well isolated by the air curtain, the outward diffusion is avoided, the influence of the oil smoke on kitchen users is reduced, and the isolated oil smoke can only rise upwards to enter into the smoke exhaust pipeline due to the influence of self high temperature, in prior art, the fan of lampblack absorber needs to put forward high power and comes the oil smoke suction as far as the utility model discloses in, because the oil smoke can only upwards rise, the power of air exhauster can be lower relatively to smoke ventilator's energy consumption has been reduced.

Drawings

Fig. 1 is a schematic structural diagram of a range hood according to an embodiment of the present invention;

fig. 2 is a schematic top view of a range hood according to an embodiment of the present invention;

fig. 3 is a schematic bottom view of a range hood according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a range hood according to another embodiment of the present invention.

The device comprises a machine body 1, a blower 2, an air supply valve 3, an air supply pipe 4, a smoke exhaust pipe 5, a smoke exhaust valve 6, a smoke exhaust pipeline 7, an exhaust fan 8, an outer cover body 9, a smoke collecting cover 10, a filter cover 11, an oil cup 12 and an air outlet channel 13.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.

It should be noted that all expressions of "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name or different parameters, and it is understood that "first" and "second" are only for convenience of expression and should not be construed as limitations of the embodiments of the present invention, and that the terms of direction and position such as "up", "middle", "down", "front", "back", "left", "right", "inner", "outer", "side", etc. in the embodiments of the present invention refer to directions and positions of the attached drawings, and therefore, the terms of direction and position are used for illustration and understanding of the present invention, and are not used to limit the present invention from the following embodiments.

Based on the purpose, the provided air balance bidirectional flow range hood comprises a hood body 1, wherein a blower 2 is arranged inside the hood body 1, an air supply valve 3 is arranged at the top of the hood body 1, an air inlet of the blower 2 is communicated with one end of the air supply valve 3, an air outlet of the blower 2 faces to the bottom of the hood body 1, an air supply pipe 4 is arranged at the other end of the air supply valve 3, a smoke exhaust pipeline 7 is further arranged inside the hood body 1, the upper end of the smoke exhaust pipeline 7 extends to the top of the hood body 1, the lower end of the smoke exhaust pipeline 7 extends to the bottom of the hood body 1, an exhaust fan 8 is arranged inside the smoke exhaust pipeline 7, a smoke exhaust valve 6 is arranged at the upper end of the smoke exhaust pipeline 7, an air inlet of the exhaust fan 8 faces to the bottom of the smoke exhaust pipeline 7, the air outlet of the exhaust fan 8 is communicated with one end, the bottom of organism 1 is equipped with the outer cover body 9 of four prismoids form, the bottom of exhaust pipe 7 is equipped with the collection petticoat pipe 10 of four prismoids form, the bottom all around of collection petticoat pipe 10 and outer cover body 9 all is equipped with decurrent kink, be formed with the air-out passageway 13 of square frame shape between the kink of collection petticoat pipe 10 and the kink of outer cover body 9, the middle part of collection petticoat pipe 10 is equipped with filter mantle 11, the bottom of filter mantle 11 is equipped with detachable oil cup 12.

Referring to fig. 1-3, as an embodiment, the air balance bi-directional flow range hood of the present invention, when the range hood is in operation, the blower 2 and the exhaust fan 8 are simultaneously opened, the air supply valve 3 and the blower 2 work synchronously, when the blower 2 is started, the air supply valve 3 is synchronously opened, the external air enters the interior of the machine body 1 through the air supply pipe 4 and then is conveyed to the bottom of the machine body 1, the bottom of the machine body 1 is provided with a quadrangular frustum shaped outer cover 9, the bottom of the smoke exhaust pipe 7 is provided with a quadrangular frustum shaped smoke collecting hood 10, an air supply passage is formed between the outer cover 9 and the smoke collecting hood 10, and the bottom of the outer cover 9 and the smoke collecting hood 10 are provided with downward bent portions which guide the air conveyed by the blower 2 to blow out downwards, the air blown by the blower 2 forms a square frame shaped air curtain to isolate the oil smoke generated during cooking from the outside, when the exhaust fan 8 works, the exhaust valve 6 is synchronously opened, meanwhile, a negative pressure area is formed below the exhaust pipeline 7, cooking oil smoke is sucked into the exhaust pipeline 7, the cooking oil smoke passes through the filter cover 11 when entering the exhaust pipeline 7, the filter cover 11 filters the oil smoke, the filtered waste oil is collected into the oil cup 12, the filtered oil smoke is conveyed to the exhaust pipe 5 by the exhaust fan 8 and is exhausted to the outside by the exhaust pipe 5, when the exhaust fan does not work, the exhaust fan 8 and the blower 2 are both closed, meanwhile, the exhaust valve 6 and the air supply valve 3 are synchronously closed, the inflow of external air is avoided, in the working process, the blower 2 blows out a square air curtain downwards, the exhaust fan 8 extracts the oil smoke, the oil smoke extraction amount is basically equivalent to the air supply amount, indoor air cannot be greatly extracted, negative pressure is caused, and the phenomena that doors and windows are difficult to open and the sewer is bad smell returns are avoided, also avoid the lower air of outdoor quality to get into indoor fast, and when opening the air conditioner indoor, can not cause the influence to the indoor air conditioning effect, guarantee indoor air conditioning's travelling comfort, avoid outside air to get into, the air conditioner frequently works and causes the power consumption to increase, and the air curtain is fine to be completely cut off the oil smoke, avoid it outwards to give off, reduce the oil smoke to kitchen user's influence, and the oil smoke that is isolated can only upwards rise to get into exhaust pipe 7 because the influence of self high temperature, in prior art, the fan of lampblack absorber needs to raise power and comes the oil smoke suction as far as the utility model discloses in, because the oil smoke can only upwards rise, the power of air exhauster 8 can be lower relatively, thereby has reduced smoke ventilator's energy consumption.

In some alternative embodiments, the bending portions of the fume collecting hood 10 and the outer cover 9 are both inclined toward the vertical center line of the machine body 1, as shown in fig. 4, the inclined bending portions make the air sent by the blower 2 deflected to the middle of the machine body 1, so that the air supplemented from the indoor preferentially enters the negative pressure region formed by the exhaust fan 8, and the influence of the air supplemented from the outdoor on the indoor air is reduced and the discharge of the indoor air is reduced along with the discharge of the lampblack.

In some alternative embodiments, the suction fan 8 is a centrifugal fan.

In some alternative embodiments, the blower 2 is an axial fan.

In some optional embodiments, the air supply valve 3 is an electric gate valve, and when the air supply device 2 is opened, the electric gate valve is synchronously opened, and when the air supply device 2 is closed, the electric gate valve is synchronously closed, so that external air is prevented from flowing in a non-working state.

In some optional embodiments, the smoke exhaust valve 6 is a flue check valve, the cost is low, and only when the exhaust fan 8 works, the smoke exhaust valve 6 can be blown open, so that external air is effectively prevented from entering the room in a non-working state.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also combinations between technical features in the above embodiments or in different embodiments are possible, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omission, modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides an air balance bidirectional flow range hood, its characterized in that includes organism (1), organism (1) inside is equipped with forced draught blower (2), the top of organism (1) is equipped with blast valve (3), the air intake of forced draught blower (2) and the one end intercommunication of blast valve (3), the air outlet of forced draught blower (2) is towards the bottom of organism (1), the other end of blast valve (3) is equipped with blast pipe (4), the inside of organism (1) still is equipped with exhaust pipe (7), the upper end of exhaust pipe (7) extends to the top of organism (1), the lower extreme of exhaust pipe (7) extends to the bottom of organism (1), the inside of exhaust pipe (7) is equipped with air exhauster (8), the upper end of exhaust pipe (7) is equipped with smoke damper (6), the air intake of air exhauster (8) is towards the bottom of exhaust pipe (7), the utility model discloses an exhaust fume collecting device, including exhaust fan (8), the air outlet of exhaust fan (8) and the one end intercommunication of exhaust valve (6), the other end of exhaust valve (6) is equipped with smoke discharging pipe (5), the bottom of organism (1) is equipped with outer cover body (9) of four prismoids, the bottom of exhaust pipe (7) is equipped with collection petticoat pipe (10) of four prismoids, collection petticoat pipe (10) all are equipped with decurrent kink with the bottom all around of outer cover body (9), be formed with air-out passageway (13) of square frame shape between the kink of collection petticoat pipe (10) and the kink of outer cover body (9), the middle part of collection petticoat pipe (10) is equipped with filter mantle (11), the bottom of filter mantle (11) is equipped with detachable.

2. An air-balanced bi-directional flow hood according to claim 1, characterized in that the bends of the hood (10) and the outer hood (9) are both inclined towards the vertical centre line of the machine body (1).

3. An air-balanced bi-directional flow hood according to claim 1, characterized in that the suction fan (8) is a centrifugal fan.

4. An air-balanced bi-directional flow hood according to claim 1, characterized in that the blower (2) is an axial fan.

5. An air-balanced bi-directional flow range hood according to claim 1, characterized in that said blow valve (3) is an electric gate valve.

6. An air balanced bi-directional flow range hood according to claim 1, characterized in that said smoke exhaust valve (6) is a flue check valve.