Deep well type oil fume separator with condensation plate

Abstract

The utility model discloses a deep well type oil fume separator with a condensation plate. The deep well type oil fume separator comprises a front screen frame and a rear screen frame, the front screen frame and the rear screen frame can form an oil fume separation screen group; one side, deviating from a user, of the oil-smoke separation net group sinks to form a sunken cavity; smoke cage side plates are arranged on the two transverse sides of the oil smoke separation net group; the oil smoke separation net group is provided with a detachable condensation plate; the condensation plate is positioned in front of the concave cavity; the periphery of the condensation plate and at least one side of the concave cavity in the circumferential direction are spaced to form a condensation air passing gap. According to the utility model, the deep well structure is responsible for large-area and multi-angle trapping and diversion of main oil smoke, the condensation plate is responsible for treatment of escaped fine oil mist, and the deep well structure and the condensation plate form efficient cooperation in spatial position and function. Grease collected by the condensing plate can flow into the lower oil collecting part along the surface of the condensing plate or converge into a main oil collecting system along a flow guide path of the concave cavity, so that a smooth grease recovery path is ensured.

Description

Technical Field

[0001] This utility model relates to the field of range hood technology, and in particular to a deep-well type oil fume separator with a condenser plate. Background Technology

[0002] Range hoods are indispensable equipment in modern kitchens, their core function being to efficiently extract cooking fumes to purify the kitchen air. As a key pre-processing component of the range hood, the oil-fume separator plays a crucial role: physically separating grease droplets, tiny particles, and other pollutants from the cooking fume airflow and guiding them to a collection tank. This process effectively prevents grease from directly entering the range hood's internal fan system and cavity, which is crucial for protecting fan performance, reducing internal grease buildup, maintaining long-term stable operation, and reducing cleaning and maintenance difficulties.

[0003] Currently, the most widely used fume separator structure on the market is a double-layered design with front and rear mesh frames. This type of design typically uses a planar or near-planar structure, its main advantage being its relatively simple structure, making it easy for users to disassemble, clean, and install. However, this planar structure has significant technical limitations: a single suction angle and a relatively limited effective air intake area. When the amount of fumes generated is large or there is a sudden burst, the fume airflow can easily escape directly from the top or sides of the separator because it cannot be sucked in in time and fully, resulting in a decrease in the suction efficiency and pollution of the kitchen environment.

[0004] To overcome the aforementioned shortcomings of planar separators and improve oil fume collection efficiency, technological advancements in the industry have spurred the development of deep-well oil fume separators, such as the structure disclosed in Chinese Utility Model Patent CN221788554U. A significant feature of this design is the distinct indentation of its oil mesh body (facing the air inlet of the range hood), forming a "cavity" or "deep well" structure. This innovative structure expands the three-dimensional windward surface and effective oil absorption area of ​​the oil mesh, providing more diversified intake paths for the oil fume airflow. More importantly, the concave cavity structure can more effectively "catch" the rising oil fumes, significantly suppressing the tendency for oil fumes to overflow and escape from the top of the separator, thereby improving the overall oil fume separation and collection effect at the source.

[0005] The layout space for a double-layered oil fume separator with front and rear mesh frames is limited. How to further improve the oil fume separation effect within this limited space is the key design point of the oil fume separator. Utility Model Content

[0006] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a deep-well type oil fume separator with a condenser plate.

[0007] The technical solution adopted by one embodiment of this utility model to solve its technical problem is: a deep well oil fume separator with a condenser plate, including a front mesh frame and a rear mesh frame; the front mesh frame and the rear mesh frame can form an oil fume separation mesh group; the oil fume separation mesh group is recessed on the side away from the user to form a recessed cavity; smoke-cage side plates are provided on the transverse sides of the oil fume separation mesh group;

[0008] The oil fume separation mesh assembly is equipped with a detachable condenser plate, which is located in front of the recessed cavity; the outer periphery of the condenser plate is spaced apart from at least one side of the recessed cavity in the circumferential direction to form a condensation air passage gap.

[0009] Optionally, an upper connecting seat is provided above the front mesh frame and / or the rear mesh frame; the upper side of the condenser plate is detachably installed on the upper connecting seat.

[0010] Optionally, a lower connecting seat is provided below the front mesh frame and / or the rear mesh frame; the lower side of the condenser plate is detachably installed on the lower connecting seat; or, the lower side of the condenser plate rests on the lower connecting seat.

[0011] Optionally, a connecting plate is provided on the back of the condenser plate; the connecting plate is used to connect the upper connecting seat or the lower connecting seat.

[0012] Optionally, a connector is provided between the connecting plate and the upper connecting seat and / or the lower connecting seat.

[0013] Optionally, the connector may be a pin, bolt, or hinge structure.

[0014] Optionally, the connector is a damped hinge or a damped pivot.

[0015] Optionally, the condenser plate is provided with elongated air passage slots.

[0016] Optionally, the air duct may be arc-shaped, straight, or a combination of both.

[0017] Optionally, the front mesh frame is provided with a handle, and the top of the condenser plate is provided with a clearance notch to avoid the handle.

[0018] The beneficial effects of this invention are as follows: The condenser plate is positioned directly in front of the recessed cavity, directly intercepting the oil fume airflow after initial separation by the deep-well structure. The high-temperature oil mist in the oil fume rapidly condenses and liquefies upon contact with the low-temperature condenser plate, causing suspended fine oil droplets to aggregate and adhere to the plate surface, achieving efficient capture of grease contaminants. This design significantly improves the oil droplet separation capability. The condenser air gap allows for smooth airflow while simultaneously forcing turbulence as the airflow passes through the narrow gap, increasing the contact frequency and time between the oil fume and the condenser plate and oil mesh wall, thereby maximizing the condensation effect. The condenser plate is arranged close to the front of the recessed cavity, fully utilizing the original three-dimensional space of the deep-well separator without requiring additional overall thickness or external space occupation, perfectly adapting to the compact installation requirements of the front and rear mesh frame splicing design. The deep-well structure is responsible for large-area, multi-angle capture and guidance of the main oil fume, while the condenser plate handles the escaping fine oil mist; the two work together efficiently in terms of spatial position and function. The grease collected by the condenser plate can flow down its surface into the oil collection section below or flow along the concave cavity guide path into the main oil collection system, ensuring that the grease recovery path is unobstructed.

[0019] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0020] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0021] Figure 1 This is a schematic diagram of the structure of the oil fume separator of this utility model;

[0022] Figure 2 for Figure 1 Exploded view of the oil fume separator;

[0023] Figure 3 for Figure 1 Another exploded view of the oil fume separator;

[0024] Figure 4 for Figure 1 Cross-sectional view of the oil fume separator.

[0025] Explanation of key component symbols:

[0026] 10. Front mesh frame; 11. Handle; 20. Rear mesh frame; 30. Smoke cage side plate; 40. Condensation plate; 41. Connecting plate; 42. Air passage slot; 43. Clearance slot; 50. Condensation air passage gap; 60. Upper connecting seat; 61. Lower connecting seat; 70. Mounting frame structure; 71. Oil collection part; 72. Oil leakage hole. Detailed Implementation

[0027] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0028] In the description of this utility model, "multiple" means two or more; "greater than," "less than," and "exceeding" are understood to exclude the stated number; "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly specifying the number of indicated technical features or their sequential relationship.

[0029] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0030] In this utility model, unless otherwise explicitly defined, the terms "setting," "installing," and "connecting" should be interpreted broadly. For example, they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to a fixed connection, a detachable connection, or an integral molding; they can refer to a mechanical connection; they can refer to the internal connection of two components or the interaction between two components. Those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0031] Example

[0032] Reference Figures 1 to 4 The present invention proposes a deep well type oil fume separator with a condenser plate 40, including a front mesh frame 10 and a rear mesh frame 20; the front mesh frame 10 and the rear mesh frame 20 can form an oil fume separation mesh group; the oil fume separation mesh group is recessed on the side away from the user to form a recessed cavity; smoke-cage side plates 30 are provided on the transverse sides of the oil fume separation mesh group.

[0033] The oil fume separation mesh assembly is equipped with a detachable condenser plate 40, which is located in front of the recessed cavity; the outer periphery of the condenser plate 40 and at least one side of the recessed cavity in the circumferential direction form a condensation air passage gap 50.

[0034] In this invention, the condenser plate 40 is positioned directly in front of the recessed cavity, directly intercepting the oil fume airflow after initial separation by the deep-well structure. The high-temperature oil mist in the oil fume rapidly condenses and liquefies upon contact with the low-temperature condenser plate 40, causing suspended fine oil droplets to aggregate and adhere to the plate surface, achieving efficient capture of grease contaminants. This design significantly improves the oil droplet separation capability. The condenser air gap 50 allows for smooth airflow while simultaneously forcing turbulence as it passes through the narrow gap, increasing the contact frequency and duration between the oil fume and the condenser plate 40 and the oil mesh wall, thereby maximizing the condensation effect. The condenser plate 40 is positioned close to the front of the recessed cavity, fully utilizing the existing three-dimensional space of the deep-well separator without requiring additional overall thickness or external space occupation, perfectly fitting the compact installation requirements of the front and rear mesh frame 20's modular design. The deep-well structure is responsible for large-area, multi-angle capture and guidance of the main oil fume, while the condenser plate 40 handles the escaping fine oil mist; the two work together efficiently in terms of spatial position and function. The grease collected by the condenser plate 40 can flow along its surface into the oil collection section 71 below or flow along the concave cavity guide path into the main oil collection system, ensuring that the grease recovery path is unobstructed.

[0035] In this embodiment, an upper connecting seat 60 is provided above the front mesh frame 10 and / or the rear mesh frame 20; the upper side of the condenser plate 40 is detachably installed on the upper connecting seat 60. The upper connecting seat 60 enables the condenser plate 40 to be fixed in a "suspended" manner, greatly improving the convenience of maintenance. The condenser plate 40 hangs down naturally under its own weight, ensuring a tight fit with the upper connecting seat 60 and reducing vibration and abnormal noise.

[0036] Furthermore, a lower connecting seat 61 is provided below the front mesh frame 10 and / or the rear mesh frame 20; the lower side of the condenser plate 40 is detachably installed on the lower connecting seat 61; or, the lower side of the condenser plate 40 is supported on the lower connecting seat 61. The lower connecting seat 61 and the upper connecting seat 60 work together to form a "double anchor point" fixing structure, suppressing the swaying of the condenser plate 40 caused by airflow impact and ensuring the stability of the air gap.

[0037] In this embodiment, a connecting plate 41 is provided on the back of the condenser plate 40; the connecting plate 41 is used to connect the upper connecting seat 60 or the lower connecting seat 61. The connecting plate 41 serves as a transition structure, evenly transferring the wind pressure received by the condenser plate 40 to the mesh frame skeleton, avoiding localized deformation and extending service life. The standardized interface of the connecting plate 41 can be adapted to different models of condenser plates 40, achieving a flexible configuration of "one frame, multiple plates" and reducing production costs.

[0038] In this embodiment, a connector is provided between the connecting plate 41 and the upper connecting seat 60 and / or the lower connecting seat 61.

[0039] In some embodiments, the connector is a pin, bolt, or hinge structure. Pins or bolts provide rigid fixation, suitable for high-pressure models, ensuring zero loosening. Hinges allow the condenser plate 40 to flip upwards for easy wiping of accumulated oil on the back.

[0040] In some embodiments, the connector is a damped hinge or a damped pivot. This allows the condenser plate to open and close slowly, preventing it from rapidly springing open and impacting the mesh frame, thus improving operational safety and component durability.

[0041] In this embodiment, the smoke-collecting side plates 30 on both sides are integrally formed on the front mesh frame 10 or the rear mesh frame 20, and together with the upper and lower sides of the front mesh frame 10 or the rear mesh frame 20, they form a planar frame-shaped mounting frame structure 70; an oil collection part 71 is provided on the lower side of the mounting frame structure 70; the oil collection part 71 is provided with an oil leakage hole 72.

[0042] Furthermore, the lower part of the condenser plate 40 is located above the oil collection section 71 and does not extend beyond the front side of the mounting frame. The end of the condenser plate 40 hangs directly above the oil collection section 71, allowing condensed oil droplets to drip directly into the groove, preventing overflow along the plate surface and contaminating the stovetop. The condenser plate 40 is recessed within the mounting frame, completely hidden from the user's perspective, maintaining the aesthetics of the kitchen space.

[0043] In this embodiment, the condenser plate 40 has an elongated air passage 42. The additional air passage 42 on the condenser plate 40 achieves a low air resistance and high throughput effect. The air passage 42 balances the condensation area and ventilation requirements, avoids airflow blockage, and maintains suction efficiency.

[0044] Specifically, the air duct 42 is arc-shaped, straight, or a combination of both.

[0045] Grease separation rate is typically measured using a grease separation rate testing device for range hoods. The main housing consists of an upper equalization chamber and a lower fume generation chamber, separated by a middle plate. The device being tested is installed at the top of the fume generation chamber, and its exhaust vent extends vertically into the equalization chamber through the sealed middle plate.

[0046] The applicant compared the grease separation rates of different types of double-layer oil fume separators with different front and rear mesh frames (20 layers) by weighing the difference before and after the test using an electronic balance, and then calculated the grease separation rate. The results are as follows: Type 1, planar oil fume separator, grease separation rate: 91% to 93%; Type 2, conventional deep-well oil fume separator, grease separation rate: 93% to 95%; Type 3, deep-well oil fume separator with condenser plate 40 (without air duct 42), grease separation rate: 95% to 97%; Type 4, deep-well oil fume separator with condenser plate 40 (with air duct 42), grease separation rate: 96% to 98%.

[0047] In this embodiment, the front frame 10 is provided with a handle 11, and the condenser plate 40 is provided with a clearance notch 43 above it to avoid the handle 11. The clearance notch 43 ensures that the handle 11 can be operated without obstruction when disassembling the separator, and avoids the condenser plate 40 from scratching the user's hand. Optimization of coexistence of functional components: A compatible design that allows for quick application of force by the handle 11 and full coverage by the condenser plate 40 within a compact space.

[0048] Of course, this utility model is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model. All such equivalent modifications and substitutions are included within the scope defined by the claims of this application.

Claims

1. A deep-well type oil fume separator with a condenser plate, comprising a front mesh frame (10) and a rear mesh frame (20); the front mesh frame (10) and the rear mesh frame (20) can form an oil fume separation mesh group; the oil fume separation mesh group is recessed on the side away from the user to form a recessed cavity; smoke-collecting side plates (30) are provided on both transverse sides of the oil fume separation mesh group; characterized in that: The oil fume separation mesh assembly is provided with a detachable condenser plate (40), which is located in front of the recessed cavity; the outer periphery of the condenser plate (40) is spaced from at least one side of the recessed cavity to form a condensation air passage gap (50).

2. The deep-well oil fume separator with a condenser plate according to claim 1, characterized in that: An upper connecting seat (60) is provided above the front mesh frame (10) and / or the rear mesh frame (20); the upper side of the condenser plate (40) is detachably installed on the upper connecting seat (60).

3. The deep-well oil fume separator with a condenser plate according to claim 2, characterized in that: A lower connecting seat (61) is provided below the front mesh frame (10) and / or the rear mesh frame (20); the lower side of the condenser plate (40) is detachably installed on the lower connecting seat (61); or, the lower side of the condenser plate (40) is supported on the lower connecting seat (61).

4. The deep-well oil fume separator with a condenser plate according to claim 3, characterized in that: The back of the condenser plate (40) is provided with a connecting plate (41); the connecting plate (41) is used to connect the upper connecting seat (60) or the lower connecting seat (61).

5. The deep-well oil fume separator with a condenser plate according to claim 4, characterized in that: A connector is provided between the connecting plate (41) and the upper connecting seat (60) and / or the lower connecting seat (61).

6. The deep-well oil fume separator with a condenser plate according to claim 5, characterized in that: The connecting component is a pin, bolt, or hinge structure.

7. The deep-well oil fume separator with a condenser plate according to claim 5, characterized in that: The connecting component is a damping hinge or a damping pivot.

8. The deep-well oil fume separator with a condenser plate according to claim 1, characterized in that: The condenser plate (40) has a long strip-shaped air passage (42).

9. The deep-well oil fume separator with a condenser plate according to claim 8, characterized in that: The air duct (42) is arc-shaped, straight, or a combination of both.

10. The deep-well oil fume separator with a condenser plate according to claim 1, characterized in that: The front mesh frame (10) is provided with a handle (11), and the condenser plate (40) is provided with an avoidance notch (43) above the handle (11).

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