Oil smoke suction system and frying and baking tray
By integrating negative pressure fans and multi-stage filtration systems into cooking appliances, the problems of oil fume pollution and difficulty in cleaning filter components are solved, achieving efficient oil fume treatment and convenient equipment maintenance, thus improving the kitchen environment and equipment lifespan.
Patent Information
- Application Number
- CN202422771360.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-11-14
AI Technical Summary
Existing cooking appliances lack effective fume treatment devices, resulting in oil fume pollution of the kitchen environment, affecting health and making cleaning difficult. At the same time, the filter components of existing equipment are complex in design, difficult to disassemble and clean, affecting the performance and lifespan of the equipment.
Design a fume extraction system including a base, an air duct assembly, and a filter assembly. It adopts a negative pressure fan, a first filter layer, and a second filter layer. The filter layers are installed by snap-fit and integrated into the base. The filter assembly includes an oil collection cup. The filter layers and filter screen support can be easily disassembled and cleaned. Combined with activated carbon and filter cotton filter layers, it forms a multi-stage filtration system.
It effectively reduces oil fume emissions, ensures clean kitchen air, lowers maintenance costs and complexity, provides comprehensive oil fume purification, and enhances user experience and equipment performance.
Smart Images

Figure CN223677839U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to kitchen appliance technical field, especially a kind of oil fume suction system and baking tray. BACKGROUND
[0002] The cooking utensils commonly seen on the market at present, such as electric frying pan, induction cooker, gas stove, etc., mostly lack effective oil fume treatment device. This leads to oil fume being directly discharged into the air during cooking, not only polluting the kitchen environment, but also spreading to other living areas, affecting the health and quality of life of the occupants. In addition, unfiltered oil fume also forms oil stains on the kitchen walls and furniture surfaces, increasing the difficulty of cleaning and maintenance costs. More importantly, the existing oil fume treatment equipment generally has a significant defect: it is inconvenient to disassemble and clean. The filter assembly of many devices is designed to be complex and difficult to disassemble, making it difficult for users to clean and maintain regularly in daily use, thereby affecting the long-term performance and service life of the equipment. SUMMARY
[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides an oil fume suction system that can reduce oil fume emissions, is easy for users to disassemble and install, and reduces maintenance costs.
[0004] The utility model also provides a baking tray with the above-mentioned oil fume suction system.
[0005] According to the first aspect embodiment of the utility model, an oil fume suction system comprises:
[0006] a base;
[0007] an oil fume suction device arranged on the base, the oil fume suction device comprising an air duct assembly and a filter assembly, the air duct assembly comprising a smoke pipe and a negative pressure fan, the smoke pipe being arranged through the base, the negative pressure fan being arranged at the bottom of the smoke pipe, the filter assembly comprising a first filter layer and a second filter layer, the first filter layer being clamped and installed at the air inlet of the smoke pipe, the second filter layer being arranged in the smoke pipe, the first filter layer being arranged above the second filter layer.
[0008] According to the oil fume suction system, the following beneficial effects are achieved: the negative pressure fan generates strong negative pressure at the bottom of the smoke pipe, can quickly capture and suck in the oil fume generated in the cooking process, and ensures the cleanliness of the kitchen air; the first filter layer is installed in the air inlet of the smoke pipe in a clamping manner, can effectively intercept large-particle oil fume and impurities, and prevents them from entering the subsequent filter layer; the second filter layer is arranged inside the smoke pipe and below the first filter layer, can further purify small particles and harmful gases in the oil fume, and provides more complete purification effect; the entire oil fume suction system is integrated on the base, is compact in design, occupies small space, is particularly suitable for use in a kitchen with limited space, makes the kitchen layout more reasonable and beautiful, and ensures the long-term performance and sanitary condition of the equipment to create a healthier and more comfortable kitchen environment for the user.
[0009] According to some embodiments of the utility model, the filter assembly further includes an oil collecting cup, the oil collecting cup is movably installed at the lower part of the smoke pipe, and the second filter layer is installed in the oil collecting cup. The user can easily disassemble and clean the oil collecting cup, avoids the cleaning problem caused by oil accumulation, greatly reduces the maintenance cost and use difficulty, and the user can place water in the oil collecting cup to accelerate the cooling of the oil fume.
[0010] According to some embodiments of the utility model, the filter assembly further includes a filter screen support, the filter screen support is annular, the outer side of the filter screen support abuts against the inner side wall of the smoke pipe, ventilation holes are arranged in the middle of the filter screen support, the second filter layer and the ventilation holes are mutually adapted, the second filter layer is clamped in the ventilation holes, and the filter screen support is clamped and installed at the top of the oil collecting cup. The filter screen support is annular in design, the outer side thereof is closely abutted against the inner side wall of the smoke pipe, the stability and sealing performance of the filter screen support are ensured, and the oil fume is prevented from escaping from the gap; the filter screen support and the second filter layer are clamped and installed in a clamping manner, the user can easily disassemble and clean them, and the maintenance cost and use difficulty are reduced. The filter screen support is clamped and installed at the top of the oil collecting cup, and the installation and disassembly process is further simplified.
[0011] According to some embodiments of the utility model, a plurality of protruding parts are arranged on the side of the filter screen support away from the oil collecting cup, and the first filter layer is installed on the protruding parts. The side of the filter screen support away from the oil collecting cup is provided with a plurality of protruding parts, the first filter layer is installed on the protruding parts, the stability and positioning accuracy of the first filter layer are ensured, the first filter layer is prevented from being displaced or falling off during use, the protruding parts can hold up the first filter layer, the area of the effective oil fume passing area is increased, and the oil fume filtering efficiency is increased.
[0012] According to some embodiments of the utility model, the filter screen support and the abutting place of second filter layer are provided with arc transition part. The design of arc transition part reduces the resistance when airflow passes, makes airflow more smooth, improves the overall performance and efficiency of system, and makes it easier to replace second filter layer.
[0013] According to some embodiments of the utility model, the air duct assembly further includes an air inlet cover, the top of the smoke pipe is provided with a folding part, the air inlet cover is connected to the folding part, the air inlet cover is provided with a plurality of notches, the notches are in communication with the smoke pipe to form an oil fume channel. The notches can better guide the oil fume into the smoke pipe, thereby improving the efficiency of absorbing oil fume.
[0014] According to some embodiments of the utility model, the first filter layer is a filter cotton filter layer, and the second filter layer is an activated carbon filter layer. The filter cotton filter layer can intercept and filter large-particle substances and impurities, and the activated carbon filter layer can adsorb harmful gases in oil fume. The two filter layers are used in combination to form a multi-stage filter system, which can comprehensively purify oil fume, remove not only large-particle substances but also harmful gases, and provide more comprehensive and efficient oil fume treatment effect.
[0015] According to some embodiments of the utility model, the negative pressure fan outer cover is provided with a motor cover, the motor cover is provided with a micro switch, and the micro switch controls the negative pressure fan to stop working when the motor cover is opened. The design of the micro switch makes the user more at ease and convenient when maintaining and cleaning, improves the user friendliness of the equipment, and improves the user experience.
[0016] According to some embodiments of the utility model, the air duct assembly further includes an air outlet, the air outlet is in communication with the smoke pipe, and the air outlet is arranged on the side wall of the base and is arranged upwards. The air outlet is arranged on the side wall of the base, fully utilizes the side space of the equipment, avoids occupying the top or front space of the air outlet, makes the overall layout of the equipment more compact, saves the kitchen space, reduces the backflow of oil fume, maintains the cleanliness and hygiene of the kitchen environment, and provides a healthier and more comfortable cooking environment for the user.
[0017] The frying and baking pan according to the second aspect of the utility model comprises the oil fume suction system according to the first aspect of the utility model.
[0018] According to the frying and baking tray, the efficient oil fume suction system is integrated into the frying and baking tray, an integrated solution is provided, a user does not need to additionally purchase and install an independent oil fume extractor, kitchen space is saved, and the kitchen layout is more reasonable and beautiful; the oil fume suction system generates strong negative pressure at the bottom of the smoke pipe through the negative pressure fan, can quickly capture and inhale the oil fume generated in the cooking process, and ensures the cleanliness of the kitchen air; the oil fume suction system comprises a filter cotton filter layer and an activated carbon filter layer, can effectively intercept and adsorb large particles and harmful gases in the oil fume, and provides comprehensive oil fume purification effect.
[0019] Additional aspects and advantages of the present application will be described in the following description, become apparent from the following description, or be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0020] The present application will be further described below in conjunction with the drawings and embodiments, wherein:
[0021] Fig. 1 It is a schematic view of the oil fume suction device of the first aspect embodiment of the present application;
[0022] Fig. 2 It is an exploded schematic view of the oil fume suction device of the present application embodiment;
[0023] Fig. 3 It is a schematic view of the smoke pipe of the present application embodiment;
[0024] Fig. 4 It is a schematic view of the frying and baking tray of the second aspect embodiment of the present application.
[0025] Reference signs: base 100; oil fume suction device 110; air inlet cover 120; smoke pipe 130; air outlet 140; first filter layer 150; filter screen support 160; second filter layer 170; oil collecting cup 180; folding part 190. DETAILED DESCRIPTION
[0026] The embodiments of the present application will be described in detail below, examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the present application, and cannot be understood as limiting the present application.
[0027] In the description of the utility model, if the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, more than and the like are understood as not including the number, above, below, within and the like are understood as including the number. If the first, second is described, it is only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.
[0028] In the description of the utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, more than and the like are understood as not including the number, above, below, within and the like are understood as including the number. If the first, second is described, it is only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.
[0029] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection and the like should be understood broadly, and the person skilled in the art can determine the specific meaning of the above words in the utility model in combination with the specific content of the technical scheme. In the description of the utility model, the description of reference terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In the description of the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner. In the description of the specification, the description of reference terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In the description of the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.
[0030] With reference to Figs. 1 to 4 An oil fume suction system, comprising:
[0031] A base 100;
[0032] The oil fume suction device 110 is arranged on the base 100, and comprises a duct assembly and a filter assembly. The duct assembly comprises a smoke pipe 130 and a negative pressure fan. The smoke pipe 130 is arranged through the base 100, and the negative pressure fan is arranged at the bottom of the smoke pipe 130. The filter assembly comprises a first filter layer 150 and a second filter layer 170. The first filter layer 150 is clamped and installed at the air inlet of the smoke pipe 130, and the second filter layer 170 is arranged in the smoke pipe 130. The first filter layer 150 is arranged above the second filter layer 170.
[0033] A strong negative pressure is generated at the bottom of the smoke pipe 130 by the negative pressure fan, so that the oil fume generated during cooking can be quickly captured and sucked, and the cleanliness of the kitchen air is ensured. The first filter layer 150 is clamped and installed at the air inlet of the smoke pipe 130, so that large-particle oil fume and impurities can be effectively intercepted and prevented from entering the subsequent filter layer. The second filter layer 170 is arranged inside the smoke pipe 130 and below the first filter layer 150, so that small particles and harmful gases in the oil fume can be further purified, and a more thorough purification effect can be provided. The entire oil fume suction system is integrated on the base 100, which is compact in design and small in space occupation, and is particularly suitable for kitchens with limited space, so that the kitchen layout is more reasonable and beautiful. The first filter layer 150 and the filter screen support 160 are both clamped and installed, so that the user can easily disassemble and clean them, thereby reducing the maintenance cost and use difficulty, ensuring the long-term performance and hygiene of the equipment, and creating a healthier and more comfortable kitchen environment for the user.
[0034] The filter assembly further comprises an oil collecting cup 180, which is movably installed at the lower part of the smoke pipe 130, and the second filter layer 170 is installed in the oil collecting cup 180. The user can easily disassemble and clean the oil collecting cup 180, thereby avoiding the cleaning problem caused by oil accumulation, greatly reducing the maintenance cost and use difficulty, and the user can place water in the oil collecting cup 180 to accelerate the cooling of the oil fume. It can be understood that some water can be placed at the bottom of the oil collecting cup 180. When the high-temperature oil fume vapor meets the cold water at the bottom of the oil collecting cup 180, the condensation of the oil fume vapor can be accelerated, thereby improving the collection efficiency of the oil fume.
[0035] The filtering assembly further comprises a filter screen support 160, which is annular, the outer side of the filter screen support 160 abuts against the inner side wall of the smoke pipe 130, the middle of the filter screen support 160 is provided with a ventilation hole, the second filter layer 170 is matched with the ventilation hole, the second filter layer 170 is clamped in the ventilation hole, and the filter screen support 160 is clamped and installed on the top of the oil collecting cup 180. The filter screen support 160 is annular, the outer side of the filter screen support 160 abuts against the inner side wall of the smoke pipe 130, the stability and sealing performance of the filter screen support 160 are ensured, and the oil fume is prevented from escaping from the gap; the filter screen support 160 and the second filter layer 170 are both installed in a clamping mode, the user can easily disassemble and clean them, and the maintenance cost and use difficulty are reduced. The filter screen support 160 is clamped and installed on the top of the oil collecting cup 180, and the installation and disassembly process is further simplified. The oil collecting cup 180, the filter screen support 160 and the smoke pipe 130 jointly form a labyrinth smoke inlet channel, and the oil fume capturing efficiency and filtering effect are further improved.
[0036] The side, away from the oil collecting cup 180, of the filter screen support 160 is provided with a plurality of protruding portions, and the first filter layer 150 is installed on the protruding portions. The side, away from the oil collecting cup 180, of the filter screen support 160 is provided with a plurality of protruding portions, and the first filter layer 150 is installed on the protruding portions, the stability and positioning accuracy of the first filter layer 150 are ensured, and the first filter layer 150 is prevented from being displaced or falling off during use, the protruding portions can support the first filter layer 150, the area of the effective oil fume is increased, and the filtering efficiency of the oil fume is increased.
[0037] The abutting position of the filter screen support 160 and the second filter layer 170 is provided with a circular arc transition portion. The circular arc transition portion reduces the resistance of the airflow when passing through, makes the airflow more smooth, improves the overall performance and efficiency of the system, and makes it easier to replace the second filter layer 170.
[0038] The air duct assembly further comprises an air inlet cover 120, the top of the smoke pipe 130 is provided with a folded portion 190, the air inlet cover 120 is clamped and installed on the folded portion 190, the air inlet cover 120 is provided with a plurality of notches, and the notches are in communication with the smoke pipe 130 to form an oil fume channel. The notches can better guide the oil fume into the smoke pipe 130, thereby improving the efficiency of absorbing the oil fume.
[0039] The first filter layer 150 is a filter cotton filter layer, and the second filter layer 170 is an activated carbon filter layer. The filter cotton filter layer can intercept and filter large-particle substances and impurities, and the activated carbon filter layer can adsorb harmful gases in the oil fume, the two filter layers are used in combination to form a multi-stage filtering system, which can comprehensively purify the oil fume, not only removes large-particle substances, but also adsorbs harmful gases, and provides more comprehensive and efficient oil fume treatment effect.
[0040] The negative pressure fan outer cover is provided with a motor cover, the motor cover is provided with a micro switch, when the motor cover is opened, the micro switch controls the negative pressure fan to stop working.
[0041] The air duct assembly further comprises an air outlet 140, the air outlet 140 is in communication with the smoke pipe 130, and the air outlet 140 is arranged on the side wall of the base 100 and faces upwards.
[0042] The second aspect embodiment of the utility model discloses a frying and baking tray, comprising the oil fume suction system of the first aspect embodiment of the utility model. The efficient oil fume suction system is integrated into the frying and baking tray, providing an integrated solution, users do not need to additionally purchase and install an independent range hood, saving kitchen space, making the kitchen layout more reasonable and beautiful; the oil fume suction system generates strong negative pressure at the bottom of the smoke pipe 130 through the negative pressure fan, can quickly capture and inhale the oil fume generated in the cooking process, and ensures the cleanliness of the kitchen air; the oil fume suction system comprises a filter cotton filter layer and an activated carbon filter layer, can effectively intercept and adsorb large particles and harmful gases in the oil fume, and provides comprehensive oil fume purification effect.
[0043] With reference to Figs. 1 to 4 The oil fume suction device 110 is installed on the base 100, the oil fume suction device 110 comprises an air duct assembly and a filter assembly, the air duct assembly comprises a smoke pipe 130 and a negative pressure fan, the smoke pipe 130 is arranged through the base 100, the negative pressure fan is arranged at the bottom of the smoke pipe 130, the air duct assembly further comprises an air inlet cover 120, the top of the smoke pipe 130 is provided with a folding portion 190, the air inlet cover 120 is clamped and installed on the folding portion 190, the air inlet cover 120 is provided with a plurality of notches, the notches are in communication with the smoke pipe 130 to form an oil fume channel.
[0044] The filter assembly comprises a first filter layer 150 and a second filter layer 170, the first filter layer 150 is a filter cotton filter layer, and the second filter layer 170 is an activated carbon filter layer. The first filter layer 150 is clamped and installed at the air inlet of the smoke pipe 130, the second filter layer 170 is arranged in the smoke pipe 130, and the first filter layer 150 is arranged above the second filter layer 170. The filter assembly further comprises an oil collecting cup 180, the oil collecting cup 180 is movably installed at the lower part of the smoke pipe 130, and the second filter layer 170 is installed in the oil collecting cup 180. The filter assembly further comprises a filter screen support 160, the filter screen support 160 is annular, the outer side of the filter screen support 160 abuts against the inner side wall of the smoke pipe 130, the middle of the filter screen support 160 is provided with a ventilation hole, the second filter layer 170 is matched with the ventilation hole, the second filter layer 170 is clamped in the ventilation hole, and the filter screen support 160 is clamped and installed at the top of the oil collecting cup 180. The side, away from the oil collecting cup 180, of the filter screen support 160 is provided with a plurality of protruding portions, and the first filter layer 150 is installed on the protruding portions.
[0045] When the user starts cooking, the negative pressure fan starts to work, strong negative pressure is generated at the bottom of the smoke pipe 130, and the oil fume generated in the cooking process is quickly captured and inhaled. The oil fume first enters the smoke pipe 130 through the plurality of gaps on the air inlet cover 120 and then passes through the first filter layer 150 (the filter cotton filter layer) to intercept large particles and impurities. Then, the oil fume enters the second filter layer 170 (the activated carbon filter layer) through the ventilation hole of the filter screen support 160 to adsorb harmful gases and fine particles in the oil fume, thereby providing a deeper purification effect. The purified air is discharged upwards through the air outlet 140, thereby reducing the possibility of oil fume backflow to the kitchen.
[0046] The user can place water in the oil collecting cup 180 to accelerate the cooling of the oil fume, so that oil droplets are condensed and directly fall into the water, thereby facilitating the collection and treatment of oil and keeping the kitchen environment clean. When the user needs to maintain or clean, the motor cover is opened, and the micro switch automatically controls the negative pressure fan to stop working, thereby ensuring the safety of the user. The parts of the filter assembly are all installed in a clamping mode, the user can easily disassemble and clean, thereby reducing the maintenance cost and use difficulty.
[0047] The above describes the embodiments of the utility model in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.
Claims
1. A fume extraction system, characterized in that, include: Base; A fume extraction device is disposed on the base. The fume extraction device includes a duct assembly and a filter assembly. The duct assembly includes a flue pipe and a negative pressure fan. The flue pipe passes through the base, and the negative pressure fan is disposed at the bottom of the flue pipe. The filter assembly includes a first filter layer and a second filter layer. The first filter layer is snapped onto the air inlet of the flue pipe, and the second filter layer is disposed inside the flue pipe. The first filter layer is disposed on top of the second filter layer. The filter assembly also includes an oil collection cup, which is movably installed at the lower part of the flue pipe, and the second filter layer is installed inside the oil collection cup.
2. The fume extraction system according to claim 1, characterized in that, The filter assembly also includes a filter support, which is annular. The outer side of the filter support abuts against the inner sidewall of the flue. A ventilation hole is provided in the middle of the filter support. The second filter layer is adapted to the ventilation hole and is snapped into the ventilation hole. The filter support is snapped onto the top of the oil collection cup.
3. The fume extraction system according to claim 2, characterized in that, The filter support has multiple protrusions on the side away from the oil collection cup, and the first filter layer is installed on the protrusions.
4. A fume extraction system according to claim 2 or 3, characterized in that, The filter support and the second filter layer have an arc transition section at the contact point.
5. The fume extraction system according to claim 1, characterized in that, The air duct assembly also includes an air inlet cover. The top of the flue pipe is provided with a folding part. The air inlet cover is snapped onto the folding part. The air inlet cover is provided with multiple notches. The notches are connected to the flue pipe to form an oil fume channel.
6. The fume extraction system according to claim 1, characterized in that, The first filter layer is a filter cotton filter layer, and the second filter layer is an activated carbon filter layer.
7. The fume extraction system according to claim 1, characterized in that, The negative pressure fan has a motor cover on its outer cover. The motor cover is equipped with a micro switch. When the motor cover is opened, the micro switch controls the negative pressure fan to stop working.
8. The fume extraction system according to claim 1, characterized in that, The air duct assembly also includes an air outlet, which is connected to the flue pipe and is disposed on the side wall of the base with the air outlet facing upward.
9. A frying pan, characterized in that, Includes a fume extraction system as described in any one of claims 1 to 8.