Oil smoke sensor

Abstract

The utility model belongs to the technical field of kitchen appliances, particularly relates to the field of kitchen appliances, and discloses an oil smoke sensor which comprises an oil smoke sensor body, air curtain air duct air inlets are formed in the two sides of the oil smoke sensor body, and inclined inner cavity circles are arranged in inner cavities of the air curtain air duct air inlets; an L-shaped flow guide part is arranged in the oil smoke sensor body, and the edge of the L-shaped flow guide part is an arc chamfer; the outer side of the air inlet of the air curtain air duct adopts a cylindrical structure; the outer side of the air inlet of the air duct of the air curtain is of the barrel-shaped structure, the anti-skid lines are arranged on the outer surface of the barrel-shaped structure, installation operation of a user is facilitated, stability after installation is improved, the L-shaped flow guide part is arranged, the edge of the L-shaped flow guide part is subjected to arc chamfering treatment, airflow can be smoothly guided, wind power can be enhanced, and the service life of the air curtain is prolonged. Therefore, the detection mirror surface of the sensor is more effectively protected, air flow is prevented from directly impacting internal sensitive elements, the abrasion and damage risks are reduced, and the oil stain resistance of the mirror surface is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of intelligent household appliances, especially to the technical field of kitchen appliances, and specifically relates to a cooking fume sensor. BACKGROUND

[0002] With the improvement of people's living standards, the improvement of kitchen environment has become one of the important aspects of the improvement of family life quality. In the cooking process, the emission of cooking fume not only affects the air quality of the kitchen, but also may cause harm to human health. Although the traditional cooking fume extractor can reduce the diffusion of cooking fume to a certain extent, it lacks intelligent cooking fume concentration monitoring means and cannot realize accurate control and efficient exhaust. Therefore, it is particularly important to develop a cooking fume sensor capable of monitoring cooking fume concentration in real time.

[0003] The existing cooking fume sensor has some deficiencies. The traditional cooking fume sensor air inlet is designed simply, which is easy to produce turbulence and noise, affecting the detection accuracy of the sensor. There is a lack of effective airflow guiding structure, which causes the airflow to directly impact the internal sensitive elements, increasing the risk of wear and damage. The connection structure is not reasonably designed, the installation and maintenance process is complex, and the user experience is poor. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a cooking fume sensor, which aims to solve the technical problems of the simple design of the air inlet of the traditional cooking fume sensor, the easy production of turbulence and noise, the influence on the detection accuracy of the sensor, the lack of effective airflow guiding structure, the direct impact of the airflow on the internal sensitive elements, the increase of the risk of wear and damage, and the single design of the connection structure which cannot be compatible with multiple specifications of joints.

[0005] In order to achieve the above-mentioned utility model purposes, the utility model proposes a cooking fume sensor in the first aspect, which comprises a cooking fume sensor body, a wind curtain air duct air inlet is arranged on both sides of the cooking fume sensor body, and the wind curtain air duct air inlet inner cavity is provided with an inner cavity circle with a slope;

[0006] The inside of the cooking fume sensor body is provided with an L-shaped flow guide piece, and the edge of the L-shaped flow guide piece is circularly chamfered;

[0007] The outer side of the wind curtain air duct air inlet adopts a cylindrical structure;

[0008] The detection air inlet is arranged at the bottom of the cooking fume sensor body, and the detection air inlet is installed with a client.

[0009] It should be noted that the cylindrical structure can improve the compatibility of the wind curtain air duct air inlet and the external pipeline, which can be connected with the external pipeline through the setting of g threads, rc threads or pagoda joints and other modes at the cylindrical structure.

[0010] Further, the detection air inlet bottom is provided with a back-shaped groove inside the plane.

[0011] Further, the client is a range hood, integrated stove or other kitchen appliances.

[0012] Further, the slope inner cavity of the air curtain air duct air inlet is circularly arranged in a gradual change structure with gradually decreasing slope, so as to optimize air flow, reduce turbulence and noise.

[0013] Further, the L-shaped flow guide is made of high-temperature resistant material, which ensures good working performance in high-temperature environment.

[0014] Further, the outer surface of the cylindrical structure is provided with anti-skid lines, which facilitates user installation operation and improves installation stability.

[0015] Further, the detection air inlet is provided with a filter for blocking large particle impurities and protecting the internal detection element from damage.

[0016] Further, the oil fume sensor body is provided with a waterproof coating on the outside, which can effectively prevent water vapor from entering and prolong the service life of the equipment.

[0017] Further, a shielding layer is mounted on the outside of the oil fume sensor body for shielding the interference of external electromagnetic signals on the oil fume sensor body.

[0018] Further, the oil fume sensor body is also provided with an LED indicator light for displaying the current working state or fault condition through different colors or flashing modes, so that the user can timely understand the equipment operation condition.

[0019] Beneficial effects:

[0020] 1. The air curtain air duct air inlet outside adopts a cylindrical structure, which is convenient for quick connection with various standard pipe fittings. The cylindrical structure 4 can improve the compatibility of the air curtain air duct air inlet 2 and the external pipeline, and the outer surface of the cylindrical structure is provided with anti-skid lines, which facilitates user installation operation and improves the stability after installation. An L-shaped flow guide is arranged, the edge of which is treated by arc chamfering, which can smoothly guide the airflow, avoid direct impact of the airflow on the internal sensitive elements, and reduce the risk of wear and damage. The L-shaped flow guide is made of high-temperature resistant material, which ensures good working performance in high-temperature environment.

[0021] 2. This utility model features a filter at the air inlet, effectively blocking large particles of impurities, protecting the internal detection components from damage, and extending the sensor's lifespan. The exterior of the fume sensor is coated with a waterproof layer, effectively preventing moisture intrusion and improving the device's durability and reliability. LED indicator lights display the current operating status or fault condition through different colors or flashing patterns, allowing users to easily understand the device's operating status. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of an oil fume sensor structure according to an embodiment of the present invention;

[0023] Figure 2 This is a bottom-view structural diagram of an oil fume sensor according to an embodiment of the present invention;

[0024] Figure 3 This is a cross-sectional view of an oil fume sensor according to an embodiment of the present invention;

[0025] Figure 4 This is a top view of an embodiment of the present invention: an oil fume sensor.

[0026] Figure 5 This is a cross-sectional view of the air curtain channel of an oil fume sensor according to an embodiment of the present invention;

[0027] Figure 6 This is a schematic diagram of the overall structure of an oil fume sensor according to an embodiment of the present invention.

[0028] in:

[0029] 1-Fume sensor body; 2-Air inlet of air curtain duct; 3-Circular inner cavity; 4-Cylindrical structure; 5-Detection air inlet; 51-U-shaped groove; 6-Air curtain duct; 7-Detection channel; 8-Air curtain duct outlet; 9-L-shaped guide; 10-LED indicator light; 11-Shielding layer.

[0030] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0031] It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0032] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited.

[0033] In the description of the utility model, it should be noted that, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] In the utility model, unless otherwise specifically defined and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0035] Referring to Figures 1-6 , the utility model discloses an oil fume sensor, including oil fume sensor body 1, the air curtain air duct air inlet 2 is arranged at the both sides of oil fume sensor body 1, the air curtain air duct air inlet 2 inner chamber is provided with the inner chamber circle 3 of gradient;

[0036] The inside of the oil fume sensor body 1 is provided with L-shaped flow guide piece 9, and the edge of L-shaped flow guide piece 9 is circularly chamfered;

[0037] The outer side of the air curtain air duct inlet 2 adopts a cylindrical structure 4.

[0038] The detection air inlet 5 is arranged at the bottom of the oil fume sensor body 1, and the detection air inlet 5 is installed on the client side.

[0039] The slope inner cavity circle 3 of the air curtain air duct inlet 2 is arranged in a gradually decreasing gradient structure, so as to optimize air flow, reduce turbulence and noise.

[0040] The L-shaped flow guide 9 is made of high-temperature resistant material, which can ensure good working performance in high-temperature environment.

[0041] In the embodiment, the air curtain air duct inlet 2 is arranged on both sides of the oil fume sensor body 1, and the inner cavity adopts an inner cavity circle 3 with a gradually decreasing slope, which helps to optimize air flow, reduce turbulence and noise. In particular, the inner cavity circle 3 adopts a gradually decreasing gradient structure, which further enhances the air flow efficiency.

[0042] The L-shaped flow guide 9 is arranged inside the oil fume sensor body 1, and the edge is chamfered with a circular arc, which can effectively guide the airflow and has a fluid guiding effect, so as to avoid direct impact of oil stains on the internal sensitive elements and improve the oil stain resistance of the oil fume sensor as a whole. The L-shaped flow guide 9 can be provided with two or more. The L-shaped flow guide 9 is made of high-temperature resistant material, which can ensure good working performance even in high-temperature conditions.

[0043] The outer side of the air curtain air duct inlet 2 adopts a cylindrical structure 4. The cylindrical structure 4 can improve the compatibility of the air curtain air duct inlet 2 with the external pipeline, and can be connected with the external pipeline by setting g threads, rc threads or pagoda joints at the cylindrical structure 4.

[0044] Optionally, the bottom of the detection air inlet 5 is provided with a back-shaped groove 51 inside the plane. The detection air inlet 5 is provided with a filter for blocking large particle impurities and protecting the internal detection elements from damage. The bottom of the detection air inlet 5 is designed as a plane, and the back-shaped groove 51 is arranged inside the plane to enhance the structural strength and provide additional installation flexibility. The detection air inlet 5 is also provided with a filter, which can be a filter cotton or the same type of filter, to block large particle impurities and protect the internal detection elements from damage.

[0045] The client is an extractor hood, integrated stove or other kitchen appliances. The oil fume sensor can be widely used in extractor hoods, integrated stoves or other kitchen appliances as one of the components to effectively monitor the oil fume generated during cooking.

[0046] The outer surface of the cylindrical structure 4 is provided with an anti-skid pattern, facilitating the user to perform the installation operation and improving the stability of installation.

[0047] The air curtain air duct inlet 2 is connected to clean air, which flows out along the air curtain passage 6 through the air curtain passage outlet 8.

[0048] In order to improve the durability and reliability of the equipment, the oil fume sensor body 1 is coated with a waterproof coating outside, effectively preventing water vapor from entering and prolonging the service life of the equipment.

[0049] The air enters from the air curtain air duct inlet 2, passes through the optimized path of the inner cavity circular 3, reduces turbulence and noise. The L-shaped flow guide 9 smoothly guides the airflow to the detection area, avoiding direct impact on the internal sensitive elements, reducing the risk of wear and damage. The oil fume enters the sensor through the detection inlet 5, and the filter blocks large particles, protecting the internal detection elements. The internal detection elements such as optical sensors and electrochemical sensors monitor the oil fume concentration in real time, and the collected data is processed by the microprocessor and transmitted to the client such as the range hood or integrated stove through wired or wireless means. The client adjusts the exhaust volume according to the data to maintain a clean kitchen environment. The LED indicator light 10 displays the current working state or fault condition through different colors or flashing modes, making it easy for users to understand the equipment operation status in a timely manner. In addition, the waterproof coating prevents water vapor from entering, improving the durability and reliability of the equipment and prolonging the service life. Through the coordinated work of these structures, the oil fume sensor can efficiently and accurately monitor the oil fume concentration, providing a more intelligent, safe and reliable kitchen environment for users.

[0050] The above description is only a preferred embodiment of the present application, and does not limit the patent range of the present application. Any equivalent structure or equivalent process conversion, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. An oil fume sensor comprising an oil fume sensor body (1), characterized in that, The air curtain air duct inlet (2) is arranged on both sides of the oil fume sensor body (1), and the inner cavity of the air curtain air duct inlet (2) is provided with an inner cavity circle (3) with a slope; The L-shaped flow guide piece (9) is arranged in the oil fume sensor body (1), and the edge of the L-shaped flow guide piece (9) is circularly chamfered; The outer side of the air curtain air duct inlet is provided with a cylindrical structure (4); The detection air inlet (5) is arranged at the bottom of the oil fume sensor body (1), and the detection air inlet (5) is arranged on the client.

2. The oil fume sensor according to claim 1, characterized in that: The bottom of the detection air inlet (5) is provided with a concave groove (51) in the plane.

3. The oil fume sensor according to claim 1, characterized in that: The client is a smoke extractor or an integrated cooker.

4. The oil fume sensor according to claim 1, characterized in that, The slope inner cavity circle (3) of the air curtain air duct inlet (2) is provided in a gradient structure in which the slope gradually decreases inward.

5. The oil fume sensor according to claim 1, characterized in that, The L-shaped flow guide piece (9) is made of a high-temperature-resistant material.

6. The oil fume sensor according to claim 1, characterized in that, The outer surface of the cylindrical structure (4) is provided with an anti-skid line.

7. The oil fume sensor according to claim 1, characterized in that, The detection air inlet (5) is provided with a filter for blocking large-particle impurities.

8. The oil fume sensor according to claim 1, characterized in that, The oil fume sensor body (1) is provided with a waterproof coating.

9. The oil smoke sensor according to claim 1, wherein The oil fume sensor body (1) is provided with a shielding layer (11) on the outside, which is used for shielding external electromagnetic signals from interfering with the oil fume sensor body (1).

10. The oil fume sensor according to claim 1, characterized in that, The oil fume sensor body (1) is further provided with an LED indicator lamp (10), which is used for displaying the current working state or fault condition through different colors or flashing modes.

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