CN218207853U

CN218207853U - Exhaust air valve, exhaust system and smoke hood equipment

Info

Publication number: CN218207853U
Application number: CN202222758596.4U
Authority: CN
Inventors: 黄兵兵
Original assignee: Ningbo Huanfeng Fire Fighting Technology Co ltd
Current assignee: Ningbo Huanfeng Fire Fighting Technology Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-01-03
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses an exhaust blast gate, exhaust system and petticoat pipe equipment, wherein, the exhaust blast gate is used for setting up in exhaust duct with control exhaust duct's air volume, its including set up in shell in the exhaust duct, set up in the motor and the first end of shell with the output transmission of motor is connected and is in two at least flabellums in the shell, every the second end of flabellum all can rotate set up in the second of shell is held. When a plurality of fan blades are positioned on the same horizontal plane, the edges, close to each other, of the two adjacent fan blades are arranged in a pressing mode, and the edges, close to the side edge of the shell, of the two fan blades on the outermost sides are arranged in a pressing mode and are arranged in a pressing mode with the corresponding side edge of the shell. The exhaust air valve in the embodiment is arranged in the exhaust pipeline, so that the air pressure of the air inlet of the exhaust pipeline is close to the air pressure of other positions in the pipeline, the suction force required by an exhaust system is met, and the exhaust effect is improved.

Description

Exhaust air valve, exhaust system and smoke hood equipment

Technical Field

The utility model belongs to the technical field of kitchen utensils and appliances, specifically relate to an exhaust blast gate, exhaust system and petticoat pipe equipment.

Background

The kitchen ware is a general term for corresponding appliances used in kitchens, and mainly includes storage appliances, washing appliances, conditioning appliances, dining appliances and cooking appliances, wherein the cooking appliances are related appliances for cooking rice, such as stoves, ranges and corresponding appliances used in cooking.

In order to reduce the harm of smoke generated during the use of the cooking apparatus, an exhaust system is generally installed above the cooking apparatus to exhaust the smoke generated during cooking from the inside to the outside. The exhaust system mainly comprises a smoke hood, an exhaust pipeline arranged above the smoke hood, a fan arranged at an exhaust port of the exhaust pipeline and the like.

Chinese patent CN111189088A discloses a kitchen blowing and sucking system based on passive air supplement. The system consists of a fresh air section, an air curtain section and an air exhaust section. The fresh air section consists of a fresh air port and a PM2.5 filter screen. The air curtain section consists of an air supply outlet, an angle-adjustable air curtain, a gas stove and a hot air curtain. The exhaust section consists of an exhaust hood, a one-way stop valve, an exhaust fan and an exhaust outlet. Fresh air passes through the PM2.5 filter screen through the fresh air inlet to form clean air, and the clean air is delivered to the indoor space from the air curtain through the air supply outlet.

Although the existing exhaust system can discharge indoor smoke to the outdoor, the lengths of the exhaust pipelines are different due to different kitchen designs of users, so that the problem that the air pressure of an air inlet is too small due to too long exhaust pipelines, the suction required by the exhaust system cannot be met, and the exhaust effect is influenced is solved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve how to provide an exhaust blast gate to solve exhaust duct's length overlength and the wind pressure undersize that appears the air inlet among the current exhaust system, can't satisfy the required suction of exhaust system, and then influence the technical problem of exhaust effect.

In order to solve the above technical problem, the present invention provides an exhaust air valve for being disposed in an exhaust duct to control the ventilation of the exhaust duct, which includes a housing disposed in the exhaust duct, a motor disposed at a first end of the housing, and at least two fan blades, a first end of which is in transmission connection with an output end of the motor and is located in the housing, wherein a second end of each fan blade is rotatably disposed at a second end of the housing; when a plurality of the fan blades are positioned on the same horizontal plane, the edges, close to the fan blades, of the adjacent two fan blades are abutted and pressed, and the edges, close to the side edge of the shell, of the fan blades on the outermost side are all abutted and pressed with the corresponding side edge of the shell.

Still further, the fan blades include two fan blades, and the two fan blades rotate in opposite directions under the driving of the motor.

Furthermore, the two fan blades respectively rotate towards two sides from the exhaust direction of the exhaust pipeline.

Furthermore, two ends of each fan blade are provided with rotating shafts, one of the rotating shafts is in transmission connection with the output end of the motor, and the other rotating shaft is rotatably arranged at the second end of the shell.

The utility model also provides an exhaust system for the top of setting at the kitchen range is with the smog that produces during the kitchen range use is discharged, its including set up in the petticoat pipe of kitchen range top, set up in exhaust duct on the petticoat pipe, set up in the pump drainage cabinet of exhaust duct's gas vent and set up in exhaust duct is interior as above exhaust blast valve.

Furthermore, the exhaust hood further comprises an air passing pipeline arranged on the exhaust hood, a wind pressure sensor arranged at an exhaust port of the air passing pipeline and a hood control box connected with the wind pressure sensor and the exhaust hood; the smoke hood control box is also connected with a motor in the exhaust air valve so as to control the running state of the motor according to the air pressure data detected by the air pressure sensor.

Furthermore, the smoke hood control box is also provided with a key for controlling the running state of the motor.

Furthermore, the exhaust air valve comprises a plurality of exhaust air valves, and the exhaust air valves are uniformly arranged in the exhaust pipeline.

The utility model also provides an integrated exhaust function's petticoat pipe equipment, it include the kitchen range and set up in kitchen range top as above exhaust system.

Furthermore, the cooking range and the exhaust system are both multiple and same in number, and one exhaust system is correspondingly arranged above one cooking range.

Compared with the prior art, the utility model discloses an exhaust blast gate sets up the motor through the one end at the shell, still set up the flabellum of being connected with motor drive in the shell, and inject the position at flabellum edge, install back in exhaust duct when a plurality of exhaust blast gates like this, alright with according to each exhaust blast gate apart from the distance of fan near, the turned angle through the motor control flabellum that corresponds reduces or enlarges the air volume that corresponds pipeline department, so that the wind pressure of the air inlet of exhaust duct is close the wind pressure of other positions in the pipeline, thereby satisfy the required suction of exhaust system, in order to promote the exhaust effect.

Drawings

In order to make the content of the invention clearer, the drawings that are needed in the description of the embodiments will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, to those skilled in the art, without inventive step, other figures can be obtained from these figures, wherein:

fig. 1 is a schematic structural view of a vane in an exhaust air valve according to an embodiment of the present invention in a closed state;

fig. 2 is a schematic structural view of a half-open state of a fan blade in an exhaust air valve according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a fully opened state of a fan blade in an exhaust air valve according to an embodiment of the present invention;

fig. 4 is an overall structural view of an exhaust air valve according to an embodiment of the present invention;

fig. 5 is a schematic view illustrating rotation of fan blades in an exhaust air valve according to an embodiment of the present invention;

fig. 6 is a top view of an exhaust system according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a smoke hood device integrated with an exhaust function according to an embodiment of the present invention.

100, smoke hood equipment; 101. a range; 10. an exhaust air valve; 11. a housing; 12. a motor; 13. a fan blade; 14. a rotating shaft; 20. an exhaust system; 21. a hood, 22, an exhaust duct; 23. a pumping and exhausting cabinet; 24. a gas pipeline; 25. a wind pressure sensor; 26. a smoke hood control box; 27. and (6) pressing a key.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

The embodiment of the utility model provides an exhaust blast gate 10, it is shown in combination fig. 1 to 7, it is including setting up shell 11 in exhaust duct 22, setting up in motor 12 of the first end of shell 11 and first end and motor 12's output transmission be connected and be in two at least flabellums 13 in shell 11, the second end of every flabellum 13 all can rotate and set up in the second end of shell 11.

The exhaust air valve 10 is installed in an exhaust duct 22 of an exhaust system 20, and is driven by a motor 12 to rotate a fan blade 13, thereby reducing or increasing the ventilation volume of the exhaust duct 22.

When the plurality of blades 13 are located on the same horizontal plane, the edges of the two adjacent blades 13 are pressed against each other, and the edges of the two blades 13 on the outermost side, which are close to the side edge of the outer shell 11, are pressed against the corresponding side edge of the outer shell 11. At this time, exhaust duct 22 is closed to its ventilation by fan blades 13, i.e., exhaust duct 22 is no longer ventilated at this position.

The exhaust air valve 10 is disposed in the exhaust duct 22 in an openable or detachable manner, such as an opening or closing manner or a pulling manner of a door in a wardrobe. This facilitates cleaning of the exhaust damper 10.

According to actual requirements, only one fan blade 13 may be provided, but the control accuracy of this control method is relatively low compared with the control method of a plurality of fan blades 13.

Specifically, two ends of each fan blade 13 are provided with a rotating shaft 14, one rotating shaft 14 is in transmission connection with the output end of the motor 12, and the other rotating shaft 14 is rotatably arranged at the second end of the housing 11.

The rotating shaft 14 may be in transmission connection with the motor 12 through gears, belts + rollers, or chains + sprockets, among other ways. The rotary shaft 14 may be rotatably disposed at the second end of the housing 11 by means of a bearing or an articulation.

The rotation shaft 14 of each fan blade 13 is provided in the middle region of the end of the fan blade 13.

In this embodiment, the fan blades 13 include two fan blades 13, and the two fan blades 13 are driven by the motor 12 to rotate in opposite directions; specifically, the two blades 13 rotate to both sides from the exhaust direction of the exhaust duct 22. This allows for a reduction or expansion from a mid-position in the exhaust duct 22 to better control the suction throughout the exhaust duct 22.

Of course, the two blades 13 can be driven by the motor 12 to rotate in the same direction according to actual requirements.

In this embodiment, the fan blades 13 are of a flat plate structure, but may also be of an S-shaped structure or an arc structure according to actual requirements.

Compared with the prior art, the exhaust air valve 10 of the embodiment is provided with the motor 12 at one end of the casing 11, and is further provided with the fan blades 13 in transmission connection with the motor 12 in the casing 11, and positions of edges of the fan blades 13 are limited, so that after the exhaust air valves 10 are installed in the exhaust pipeline 22, the ventilation volume of the corresponding pipeline can be reduced or enlarged by controlling the rotation angle of the fan blades 13 through the corresponding motor 12 according to the distance between each exhaust air valve 10 and the fan, so that the air pressure of the air inlet of the exhaust pipeline 22 is close to the air pressure of other positions in the pipeline, and the suction force required by the exhaust system 20 is met, and the exhaust effect is improved.

Example two

An embodiment of the present invention provides an exhaust system 20, which is shown in fig. 1 to 7, and includes a hood 21 disposed above a cooking range 101, an exhaust duct 22 disposed on the hood 21, a pumping and exhausting cabinet 23 (blower) disposed at an exhaust port of the exhaust duct 22, and an exhaust air valve 10 disposed in the exhaust duct 22 as in the first embodiment.

Wherein the exhaust system 20 is arranged above the stove 101 for exhausting fumes generated when the stove 101 is in use to the outside.

In the present embodiment, the exhaust air damper 10 includes a plurality of exhaust air dampers 10, and the plurality of exhaust air dampers 10 are uniformly disposed in the exhaust duct 22.

In this embodiment, the exhaust system 20 further includes an air duct 24 disposed on the hood 21, a wind pressure sensor 25 disposed at an exhaust port of the air duct 24, and a hood control box 26 connected to the wind pressure sensor 25 and the hood 21; the hood control box 26 is also connected to the motor 12 in the exhaust air valve 10 to control the operation state of the motor 12 according to the wind pressure data detected by the wind pressure sensor 25.

When the wind pressure sensor 25 detects that the wind pressure in the smoke hood 21 is too low or too high, the smoke hood control box 26 can control the suction force of the smoke hood 21 through the wind pressure detected by the wind pressure sensor 25 so as to meet the exhaust effect of the exhaust system 20; in addition, the smoke cage control box 26 can also control the operation state of the motor 12 in each exhaust air valve 10 according to the air pressure detected by the air pressure sensor 25, that is, the rotation angle of the corresponding fan 13 is controlled by the operation state of the motor 12, so that the air pressure in each exhaust duct 22 approaches to meet the suction force required by the exhaust system 20, and the exhaust effect is improved.

In this embodiment, the hood control box 26 is further provided with a button 27 for controlling the operation state of the motor 12, and in addition, a corresponding button 27 for controlling the suction force of the hood 21 is further provided. This facilitates manual control of the operating state of the motor 12 and the suction force of the hood 21.

The principle of the exhaust system 20 is: before the stove 101 runs, the rotation angle of the fan blades 13 in each exhaust air valve 10 is set according to the length of the exhaust pipeline 22, namely, the ventilation volume of each part of the exhaust pipeline 22 is set, so that the air pressure of each part in the exhaust pipeline 22 is close; when the stove 101 operates, the smoke hood 21 is opened, smoke generated when the stove 101 operates is sucked into the exhaust duct 22, meanwhile, the wind pressure sensor 25 operates to detect wind pressure data in the smoke hood 21, when the wind pressure data is too high or too low, the smoke hood control box 26 can automatically adjust the suction force of the smoke hood 21 and the operation state of the motor 12 in each exhaust air valve 10, or control the smoke hood 21 and each exhaust air valve 10 through the key 27, so that the suction force required by the exhaust system 20 is met, and the exhaust effect is improved.

Since the exhaust system 20 in this embodiment uses the exhaust air valve 10 in the first embodiment, the technical effect achieved by the exhaust air valve 10 in the first embodiment can also be achieved, which is not described herein again.

EXAMPLE III

An embodiment of the present invention provides an exhaust function integrated smoke hood apparatus 100, which is shown in fig. 1 to 7, and includes a stove 101 and an exhaust system 20 disposed above the stove 101 as in the second embodiment.

In this embodiment, the cooking range 101 and the exhaust system 20 are both provided in plural and the same number, and one exhaust system 20 is correspondingly disposed above one cooking range 101. The arrangement can be realized by only opening the corresponding exhaust system 20 when only one cooking stove 101 is used, and a plurality of exhaust systems 20 do not need to be opened simultaneously, so that the energy-saving effect is achieved.

Since the exhaust system 20 of the second embodiment is used in the exhaust-integrated hood device 100 of the present embodiment, the technical effects achieved by the exhaust system 20 of the second embodiment can also be achieved, which are not described herein again.

The above examples are only for clearly illustrating the present invention and are not to be construed as limiting the embodiments; the scope of the present invention includes, but is not limited to, the above embodiments, and all equivalent changes made by the shape and structure according to the present invention are included in the protection scope of the present invention.

Claims

1. An exhaust air valve is arranged in an exhaust pipeline to control the ventilation volume of the exhaust pipeline and is characterized by comprising a shell arranged in the exhaust pipeline, a motor arranged at the first end of the shell and at least two fan blades, wherein the first ends of the fan blades are in transmission connection with the output end of the motor and are positioned in the shell, and the second end of each fan blade can be rotatably arranged at the second end of the shell; when a plurality of fan blades are positioned on the same horizontal plane, the edges, close to each other, of the two adjacent fan blades are arranged in a pressing mode, and the edges, close to the side edge of the shell, of the two fan blades on the outermost sides are arranged in a pressing mode and are arranged in a pressing mode with the corresponding side edge of the shell.

2. The exhaust damper according to claim 1, wherein said fan blades comprise two, and two of said fan blades are rotated in opposite directions by said motor.

3. The exhaust damper according to claim 2, wherein the two fan blades are rotated to both sides from the exhaust direction of the exhaust duct.

4. The exhaust air valve according to claim 2, wherein each of the fan blades is provided with a rotation shaft at both ends thereof, one of the rotation shafts is in transmission connection with the output end of the motor, and the other rotation shaft is rotatably provided at the second end of the housing.

5. An exhaust system for location above a range for exhausting fumes generated by the range in use, comprising a hood located above the range, an exhaust duct located above the hood, an exhaust hood located at an exhaust outlet of the exhaust duct, and an exhaust damper according to any one of claims 1 to 4 located within the exhaust duct.

6. The exhaust system according to claim 5, further comprising an air duct disposed on the hood, a wind pressure sensor disposed at an exhaust port of the air duct, and a hood control box connected to the wind pressure sensor and the hood; the smoke hood control box is also connected with a motor in the exhaust air valve so as to control the running state of the motor according to the air pressure data detected by the air pressure sensor.

7. The exhaust system of claim 6, wherein the hood control box is further provided with a button for controlling an operating state of the motor.

8. The exhaust system of claim 5, wherein the exhaust damper comprises a plurality of exhaust dampers, and the plurality of exhaust dampers are uniformly disposed within the exhaust duct.

9. An exhaust integrated hood device comprising a range and an exhaust system according to any one of claims 5 to 8 disposed above the range.

10. A hood apparatus according to claim 9 wherein said range and said exhaust system are each plural and equal in number, one exhaust system being disposed above a respective range.