CN214275861U

CN214275861U - Integrated kitchen smoke exhaust system

Info

Publication number: CN214275861U
Application number: CN202023142674.5U
Authority: CN
Inventors: 徐新建; 郭建泉
Original assignee: Zhejiang Shuaikang Electric Stock Co Ltd
Current assignee: Zhejiang Shuaikang Electric Stock Co Ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-09-24
Anticipated expiration: 2030-12-23

Abstract

The utility model belongs to the technical field of the lampblack absorber and specifically relates to a kitchen system of discharging fume of integrated form, include cooking utensils, the lampblack absorber that is located the cooking utensils top, the cooking utensils periphery is provided with the air curtain system, thereby the air curtain system is used for forming the air curtain that holds together the cigarette chamber in directional lampblack absorber around cooking utensils along upwards launching gas around the cooking utensils, the lampblack absorber is provided with and is used for outwards showing the control display screen of oil smoke volume and is used for detecting the inboard oil smoke detection sensor of PM2.5 concentration in the air curtain enclosure space, and control display screen, inboard oil smoke detection sensor link to each other with the control panel in the lampblack absorber respectively. The utility model discloses a kitchen system of discharging fume can reach oil smoke discharge amount and production volume phase-match, more effectual discharge kitchen oil smoke.

Description

Integrated kitchen smoke exhaust system

Technical Field

The utility model belongs to the technical field of the lampblack absorber and specifically relates to an integrated form's kitchen system of discharging fume.

Background

The combustion and cooking of gas in a kitchen can generate a large amount of harmful substances such as fine particulate matters (PM2.5) and the like, and the harmful substances can cause great harm to human bodies and room environment.

At present, the range hood is mostly used for achieving the purpose of removing oil smoke, but the oil smoke is generated in a dynamic process, the gear of the range hood is fixed, and the oil smoke generation amount and the oil smoke discharge amount are not easy to be well matched.

At present, some range hoods are provided with oil smoke detection sensors, but the oil smoke detection sensors are not displayed generally, and operators cannot visually see the generated oil smoke amount and cannot determine whether oil smoke escapes, so that whether indoor oil smoke can be effectively removed or not can be effectively known, and users cannot visually know the oil smoke.

At present, part of families purchase smoke guiding machines to match with range hoods, but the smoke guiding machines and the range hoods are independent products, smoke generating amount and cooking smoke generating amount of the smoke guiding machines are closely related to smoke discharging amount of the range hoods, the smoke guiding machines and the cooking smoke generating amount are not matched well, and oil smoke can escape.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hardware architecture of kitchen system of discharging fume, it can reach oil smoke discharge amount and production volume phase-match, more effectual discharge kitchen oil smoke after software personnel programming.

The utility model discloses a following technical scheme realizes:

the utility model provides an integrated form's kitchen system of discharging fume, includes cooking utensils, the lampblack absorber that is located the cooking utensils top, the cooking utensils periphery is provided with the air curtain system, thereby the air curtain system is used for upwards emitting gas around the cooking utensils and forms the air curtain that holds together the cigarette chamber in directional lampblack absorber around the cooking utensils, the lampblack absorber is provided with the inboard oil smoke detection sensor that is arranged in the control display screen that externally shows the oil smoke volume and is used for detecting PM2.5 concentration in the air curtain enclosure space, and control display screen, inboard oil smoke detection sensor link to each other with the control panel in the lampblack absorber respectively.

Further, the air outlet angle of the air curtain system is inclined inwards by 5-10 degrees.

Further, the air outlet of the air curtain system is linear.

Furthermore, the inner side oil smoke detection sensor is positioned in the base body, the base body is provided with a through hole as an oil smoke detection through hole, the inner side oil smoke detection sensor is used for detecting PM2.5 concentration in the oil smoke detection through hole, and two sides of the base body are respectively connected with two air inlet pipes communicated with the oil smoke detection through hole and communicated with indoor air through the air inlet pipes on the two sides.

As an implementation scheme, the base body where the inner-side oil smoke detection sensor is located in a fan frame of the range hood, and air inlet pipes on two sides penetrate through the fan frame to be communicated with indoor air and are hidden in a decoration cover of the range hood.

As another embodiment, the smoke collecting cavity is provided with an air guide channel communicated with air in the space enclosed by the air curtain, and the inner side oil smoke detection sensor is arranged in the cavity of the smoke collecting cavity and is used for detecting the concentration of PM2.5 in the air guide channel. The range hood is provided with an exhaust fan which exhausts the gas in the space enclosed by the air curtains through an air guide channel. The smoke collecting cavity is internally provided with a smoke guide pipe, the bottom of the smoke guide pipe is provided with a hole positioned in the space enclosed by the air curtain, one end of the smoke guide pipe is communicated with the hole, the other end of the smoke guide pipe is connected into the fan frame of the range hood to be used as the air guide channel, and a fan system in the fan frame is used as the exhaust fan.

Further, the control display screen is located on the front outer surface of the cigarette holding cavity.

The utility model discloses a cooking utensils periphery of lower part sets up exhaust system and forms the air curtain that surrounds cooking utensils, and the range hood of the top of arranging simultaneously inhales and arranges the oil smoke, and the inside oil smoke sensor that is provided with of cigarette machine detects the size of producing the oil smoke volume in addition, and then shows on the cigarette machine through the screen. The screen can directly display the dynamic change process of the oil smoke volume, and then can manually or automatically adjust the kitchen smoke exhaust system to achieve the matching of the oil smoke exhaust volume and the production volume and exhaust the kitchen oil smoke more effectively.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention can be implemented according to the content of the description, and in order to make the said and other objects, features and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like elements throughout the drawings.

In the drawings:

FIG. 1 is a schematic diagram of the kitchen fume extraction system of the present invention;

FIG. 2 is a schematic front view of the kitchen fume extraction system of the present invention;

FIG. 3 is a schematic cross-sectional view of a cigarette maker of the present invention;

FIG. 4 is a schematic cross-sectional structural view of a cooktop of the present invention;

fig. 5 is a schematic structural diagram of the lampblack infrared sensor.

Description of reference numerals: 1-kitchen range, 11-air curtain system, 12-exhaust fan, 2-range hood, 21-control display screen, 22-smoke collecting cavity, 23-decorative cover, 24-fan frame, 31-air curtain gas, 32-oil smoke gas, 33-air supply, 411-inner side infrared oil smoke sensor base body, 412-oil smoke detection through hole, 413-air intake pipe joint, 414-air intake pipe.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

As shown in fig. 1 to 5, a control display screen 21 is arranged on the outer surface of the front side of a smoke collecting cavity 22 of a range hood 2, a control board connected with the control display screen 21 is arranged inside the range hood 2, and an inner side infrared lampblack sensor base 411 connected with the control board is arranged, wherein the inner side infrared lampblack sensor base 411 is fixed at the bottom of the front side of a cavity of a fan frame 24, and a front air inlet of a fan system in the range hood 2 is arranged above the inner side infrared lampblack sensor base.

The inner side infrared lampblack sensor base 411 is an enclosure structure, a through hole penetrating through the front and the back is arranged in the middle of the base 411 and serves as a lampblack detection through hole 412, infrared transmitting and receiving devices are arranged in the base 411, detection ends of the infrared transmitting and receiving devices are symmetrically arranged on the left side and the right side of the through hole 412 and used for detecting PM2.5 concentration in the through hole 412, specifically, near infrared spectrums are arranged between the infrared transmitting and receiving devices in a correlation mode, and gas concentration values are identified by utilizing the absorption intensity relation between the gas concentration flowing through the through hole 412 and the near infrared spectrums. In addition, two air inlet pipe joints 413 which are communicated with the through holes 412 extend outwards from two sides of the base 411 respectively, the two air inlet pipe joints 413 are connected with two air inlet pipes 414 respectively, and the air inlet pipes 414 on the two sides penetrate through the air outlet frame 24 from the chamfers on the two sides of the fan frame 24 to be communicated with indoor air and are hidden in the decorative cover 23. When the range hood 2 works, under the action of negative pressure inside the fan frame 24, oil smoke in the fan frame 24 flows through the through hole 412 to be detected, indoor clean air is sucked into the through hole 412 through the air inlet pipe 414, and the detection end lenses on two sides of the through hole 412 are used as an air curtain to protect the lenses from being polluted by the oil smoke.

In the embodiment, the range hood 2 is positioned at a certain height above the cooker 1, and the cooker 1 and the range hood 2 are matched to form a kitchen smoke exhaust system. Specifically, the periphery of the stove 1 is provided with an air curtain system 11 in a surrounding manner, the rear part of the air curtain system 11 is provided with an exhaust fan 12, and the internal channels of the air curtain system 11 are communicated. The upper part of the air curtain system 11 is provided with a linear air outlet, and the air outlet is provided with an inward inclined angle B, so that the air flow is ensured to point to the inside of the smoke collecting cavity 22 at the outer side of the cooker.

When the range hood 2 works, oil smoke is sucked into the fan frame 24 under the action of the fan system, and then enters the fan system to be discharged. In the process of discharging oil fume, the concentration of pollutants in the fan frame 24 changes along with the change of the concentration of gas sucked into the pollutants, and then the concentration data of the detected PM2.5 is detected by the sensor in the base 411 and displayed on the control display screen. In this embodiment, the sectional linear relationship between the PM2.5 display value and the weather statistic value is displayed in the indoor dynamic display data before the start-up is 0-600, 600-. When the user uses the range hood 2, the amount of generated oil smoke is greatly different along with cooking different food materials or at different stages of cooking, and then the concentration of the oil smoke passing through the oil smoke detection through hole 412 is changed along with the oil smoke, and then the oil smoke is visually displayed on the control display screen 21 of the range hood.

Although most oil smoke can be discharged when the range hood 2 works, the using environments of each household are different, the oil smoke discharging efficiency is different, in addition, the oil smoke amount is continuously changed, so that the overflow condition can occur in the rising process of part of oil smoke due to the suction force of the range hood 2, overlarge smoke amount and other problems when the range hood works, the stove 1 of the kitchen smoke discharging system can start the air curtain system 11 when the stove 1 works, gas is upwards emitted along the periphery of the stove 1 to form an air curtain around the stove 1, in order to ensure that the airflow direction points to the inside of a smoke collecting cavity of the range hood, the air outlet of the linear air curtain is inwards inclined at an angle B of 5-10 degrees, and in the working process, under the action of the air curtain when the oil smoke rises, the edge part moves upwards along the air outlet direction of the air curtain, and the oil smoke overflow condition is improved.

In the working process, PM2.5 content in the oil smoke can be synchronously displayed on the screen, at the moment, a user can select a range hood gear on the screen according to the oil smoke volume (the range hood gear predesigns the corresponding pressure air volume according to the oil smoke volume), so that the exhaust air volume is controlled, the air curtain gas 31 and the oil smoke gas 32 can be completely sucked, meanwhile, in order to avoid the failure of the air curtain gas speed at the top to cause the oil smoke to escape, certain indoor air 33 needs to be sucked into the exhaust air volume, the air 33 is supplemented into the range hood all around, and the situation that the gas which is possibly escaped at the upper part is brought into the smoke collecting cavity is ensured.

The kitchen system of discharging fume of this embodiment can make the user can be very audio-visual according to the different gear of discharging fume of concentration display switching, has both avoided opening the problem that the oil smoke row is not clean in the low-end appearance always, can produce the problem of noise and energy consumption when also having avoided opening the high-end always.

The infrared sensor of this embodiment is in order to avoid setting up the oil smoke environment in fan frame 24, infrared sensor also can set up inside the cavity of holding together smoke chamber 22, specifically, hold together smoke chamber 22 and open the aperture that is located the air curtain and surrounds the space, the aperture corresponds with the laminating of the through-hole 412 one end of base member 411, the other end of through-hole 412 passes through the ventilation pipe and introduces in fan frame 24, utilize the negative pressure in fan frame 24 to introduce the detection through-hole with the oil smoke gas 32 in the air curtain surrounds the space, the change law of the concentration value of record is unanimous with the change law that sets up in fan frame 24.

In this embodiment, the range hood 2 employs a variable frequency motor and can switch between manual and automatic operations, when switching to an automatic mode, the control program can calculate the oil smoke generation amount according to the detected oil smoke concentration, and then determine the rotation speed of the fan system at this time under the condition of ensuring a certain inward air supply speed according to the generation amount of the air curtain gas 31, so that the rotation speed of the fan system is strictly and linearly matched with the detected air volume and the calculated air volume, and in order to avoid frequent and rapid switching of the rotation speed, a downshift delay and a maximum rotation speed change limiting algorithm in unit time are set, so that when automatically operating, the oil smoke exhaust efficiency is ensured, and the problem that rapid and frequent changes of the rotation speed cause discomfort is avoided.

It should be noted that, in this embodiment, the sensor is not limited to adopt an infrared lampblack sensor, and other sensors capable of collecting gas concentration may be used. The inner infrared lampblack sensor base 411 is not limited to be arranged in the smoke collecting cavity 22 or the fan frame 24, and only needs to be capable of detecting gas inside the space enclosed by the air curtain.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. An integrated kitchen fume exhaust system is provided,

comprises a kitchen range and a range hood positioned above the kitchen range,

the method is characterized in that:

the periphery of the kitchen range is provided with an air curtain system which is used for emitting gas upwards along the periphery of the kitchen range so as to form an air curtain pointing to a smoke collecting cavity in the range hood around the kitchen range,

the range hood is provided with a control display screen for displaying the amount of oil smoke outwards and an inner side oil smoke detection sensor for detecting the concentration of PM2.5 in the space surrounded by the air curtain, and the control display screen and the inner side oil smoke detection sensor are connected with a control panel in the range hood respectively.

2. The kitchen smoke evacuation system of claim 1, wherein: the air outlet angle of the air curtain system is inwards inclined by 5-10 degrees.

3. The kitchen smoke evacuation system of claim 2, wherein: the air outlet of the air curtain system is linear.

4. The kitchen smoke evacuation system of claim 2, wherein: the inner side oil smoke detection sensor is located inside the base body, the base body is provided with a through hole serving as an oil smoke detection through hole, the inner side oil smoke detection sensor is used for detecting PM2.5 concentration in the oil smoke detection through hole, and two sides of the base body are respectively connected with two air inlet pipes communicated with the oil smoke detection through hole and communicated with indoor air through the air inlet pipes on the two sides.

5. The kitchen smoke evacuation system of claim 4, wherein: the base member that inboard oil smoke detection sensor place is located the fan frame of lampblack absorber, and the air inlet pipe of both sides passes the air-out machine frame and communicates with indoor air to hide in the decoration cover of lampblack absorber.

6. The kitchen smoke evacuation system of claim 2 or 4, wherein: the smoke collecting cavity is provided with an air guide channel communicated with air in the space enclosed by the air curtain, and the inner side oil smoke detection sensor is arranged in the cavity of the smoke collecting cavity and is used for detecting the concentration of PM2.5 in the air guide channel.

7. The kitchen smoke evacuation system of claim 6, wherein: the range hood is provided with an exhaust fan which exhausts the gas in the space enclosed by the air curtains through an air guide channel.

8. The kitchen smoke evacuation system of claim 7, wherein: the smoke collecting cavity is internally provided with a smoke guide pipe, the bottom of the smoke guide pipe is provided with a hole positioned in the space enclosed by the air curtain, one end of the smoke guide pipe is communicated with the hole, the other end of the smoke guide pipe is connected into the fan frame of the range hood to be used as the air guide channel, and a fan system in the fan frame is used as the exhaust fan.

9. The kitchen smoke evacuation system of claim 1, wherein: the control display screen is positioned on the outer surface of the front side of the cigarette gathering cavity.