Energy-saving and environment-friendly oil fume hood
By introducing components such as filter plates, noise reduction frames, and sound-absorbing cotton layers into the fume hood, combined with dampers and spring structures, the problem of insufficient purification function of the fume hood is solved, achieving effective isolation of oil fume particles and reduction of noise, thus improving the environmental friendliness and practicality of the device.
Patent Information
- Application Number
- CN202520482772.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-19
AI Technical Summary
Most existing range hoods can only perform simple fume extraction and lack effective purification functions, making them neither energy-efficient nor environmentally friendly.
A fume hood comprising a filter plate, a noise reduction frame, a sound-absorbing cotton layer, and a PLC continuously variable speed control terminal was designed. The filter plate is made of 15mm thick nickel mesh material, the sound-absorbing cotton layer is corrugated sound-absorbing sponge, and the noise reduction frame is provided with sound-diffusing holes. Combined with the structure of dampers and springs, the filter plate can be quickly disassembled and assembled.
It effectively isolates oil fume particles, reduces environmental pollution, decreases noise, improves the practicality and ease of cleaning of the device, and achieves energy-saving and environmentally friendly effects.
Smart Images

Figure CN223924921U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oil fume hood technical field especially relates to a kind of energy-saving and environment-friendly oil fume hood. BACKGROUND
[0002] As the important tool of kitchen exhaust, its manufacturing technology and material selection directly affect the quality of kitchen environment and the work efficiency of chef, with the passage of time, the manufacturing technology of oil fume hood gradually matures, material is also more diversified, from the cloth, plank to metal, stainless steel and other materials, function is also developed from single shielding to smoke exhaust, purification and other multiple functions.
[0003] Most of the oil fume hood on the market can only perform simple oil extraction, and lack effective purification function, resulting in insufficient energy-saving and environment-friendly oil fume hood, so an energy-saving and environment-friendly oil fume hood is needed. UTILITY MODEL CONTENT
[0004] The utility model discloses a kind of energy-saving and environment-friendly oil fume hood, solve the problem that most of oil fume hood in prior art can only perform simple oil extraction, and lack effective purification function, resulting in insufficient energy-saving and environment-friendly oil fume hood.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of energy-saving and environment-friendly oil fume hood, including ventilation chassis, the upper of the ventilation chassis is provided with air duct, the upper of the air duct is provided with fan, one side of the ventilation chassis is provided with main body, the side wall of the main body is provided with PLC stepless speed control end, the lower side of the ventilation chassis is provided with filter screen plate, the bottom end of the filter screen plate is provided with oil receiving groove, the inner side of the air duct is provided with sound-absorbing cotton layer, the inner side of the sound-absorbing cotton layer is provided with noise reduction frame, the side wall of the noise reduction frame is provided with sound diffusion hole.
[0006] Preferably, the lower side wall of the ventilation chassis is provided with slide rail, the inner side of the slide rail is provided with sliding block, the side wall of the sliding block is fixed with push plate, one side of the push plate is provided with damper, the periphery of the damper is provided with spring, the other side wall of the push plate is fixed with clamping plate, the outer side of the clamping plate is provided with clamping groove, the side wall of the filter screen plate is provided with hand holding groove.
[0007] Preferably, the inner wall of the air duct and the outer wall of sound-absorbing cotton layer are closely combined, the inner side contour of sound-absorbing cotton layer and the outer side contour of noise reduction frame are matched, and the sound diffusion hole is provided with multiple groups of equidistantly distributed on the side wall of noise reduction frame.
[0008] Preferably, the filter screen plate is provided with two groups of about center line symmetrical distribution of ventilation chassis.
[0009] Preferably, the pushing plate is in sliding structure with the slide rail through the sliding block, and in elastic structure with the ventilation chassis through the damper and the spring, and in fixed structure with the clamping plate.
[0010] Preferably, the clamping plate is in clamping structure with the filter screen plate through the clamping groove.
[0011] Compared with the prior art, the energy-saving and environment-friendly oil smoke hood has the advantages that:
[0012] 1. The energy-saving and environment-friendly oil smoke hood is provided with a filter screen plate and a noise reduction frame, when the fan is started to work to exhaust air, the cooking oil fume is extracted, the oil fume passes through the filter screen plate first, the filter screen plate is made of a 15MM-thick nickel screen plate material, has an effective oil separation rate of 85%, has a strong physical particle interception function, is easy to clean, has the energy-saving and environment-friendly effect, greatly reduces the pollution to the environment, the process of fan air exhaust produces a large noise, and the noise is scattered and absorbed to reduce and reduce noise when passing through the noise reduction frame, the sound-absorbing cotton is a wave peak sound-absorbing sponge, the wave peak sound-absorbing sponge has a very strong absorption capacity, and the shape of high and low undulations can well buffer vibration, and can weaken noise from the source, avoiding that most of the oil smoke hoods can only extract oil fume simply and lack effective purification function, resulting in that the oil smoke hood is not energy-saving and environment-friendly.
[0013] 2. The energy-saving and environment-friendly oil smoke hood is provided with a damper and a spring, the pushing plate is pushed by external force, the clamping plate can be driven to move, the filter screen plate can be quickly disassembled, the clamping structure of the clamping plate and the clamping groove can clamp and fix the filter screen plate, the clamping plate can automatically return to the original position after losing the acting force through the damper and the spring, the filter screen plate is clamped and fixed, the filter screen plate can be quickly disassembled and assembled, the filter screen plate is convenient to clean, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a perspective structural schematic view of the energy-saving and environment-friendly oil smoke hood.
[0015] Figure 2 It is an expanded structural schematic view of the energy-saving and environment-friendly oil smoke hood.
[0016] Figure 3 It is a bottom view structural schematic view of the energy-saving and environment-friendly oil smoke hood.
[0017] In the figure: 1, ventilation chassis; 2, air duct; 3, fan; 4, main body; 5, PLC stepless speed control end; 6, filter screen plate; 7, oil receiving groove; 8, sound absorbing cotton layer; 9, noise reduction frame; 10, sound diffusion hole; 11, sliding rail; 12, sliding block; 13, push plate; 14, damper; 15, spring; 16, clamping plate; 17, clamping groove; 18, hand holding groove. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0019] Embodiment 1
[0020] As shown in Figure 1 and Figure 2 , one energy-saving and environment-friendly oil fume hood in the drawing includes a ventilation chassis 1, the upper portion of the ventilation chassis 1 is provided with an air duct 2, the upper portion of the air duct 2 is provided with a fan 3, one side of the ventilation chassis 1 is provided with a main body 4, the side wall of the main body 4 is provided with a PLC stepless speed control end 5, the lower side of the ventilation chassis 1 is provided with a filter screen plate 6, the bottom end of the filter screen plate 6 is provided with an oil receiving groove 7, the inner side of the air duct 2 is provided with a sound absorbing cotton layer 8, the inner side of the sound absorbing cotton layer 8 is provided with a noise reduction frame 9, and the side wall of the noise reduction frame 9 is provided with a sound diffusion hole 10.
[0021] The inner wall of the air duct 2 is tightly combined with the outer wall of the sound absorbing cotton layer 8, the inner side profile of the sound absorbing cotton layer 8 is matched with the outer side profile of the noise reduction frame 9, and the sound diffusion hole 10 is provided with multiple groups of equidistantly distributed side walls on the noise reduction frame 9. When the fan 3 is started to operate, the oil fume generated during cooking can be extracted, the oil fume will first pass through the filter screen plate 6, the filter screen plate 6 is made of 15MM thick nickel screen plate material, the effective oil separation rate is 85%, it has strong physical particle interception function, is easy to clean, has the energy-saving and environment-friendly effect, greatly reduces the pollution to the environment, the fan 3 will generate a large noise during the process of air extraction, the noise will pass through the noise reduction frame 9 in the form of sound wave, and will be scattered by the sound diffusion hole 10 to be absorbed, reduced, and noise-reduced, and the sound absorbing cotton is a wave peak sound absorbing sponge, the absorption capacity of the wave peak sound absorbing sponge is very strong, the shape of high-low fluctuation can well buffer the vibration, and can weaken the noise from the source.
[0022] The filter screen plate 6 is provided with two groups of symmetrical distribution about the center line of the ventilation chassis 1.
[0023] Embodiment 2
[0024] As shown in Figure 1 , Figure 2 andFigure 3 As shown, the present embodiment further illustrates Example 1, the lower side wall of the ventilation chassis 1 is provided with a sliding rail 11, the inner side of the sliding rail 11 is provided with a sliding block 12, the side wall of the sliding block 12 is fixed with a push plate 13, one side of the push plate 13 is provided with a damper 14, the periphery of the damper 14 is provided with a spring 15, the other side wall of the push plate 13 is fixed with a clamping plate 16, the outer side of the clamping plate 16 is provided with a clamping groove 17, and the side wall of the filter screen plate 6 is provided with a hand holding groove 18.
[0025] The push plate 13 and the sliding rail 11 form a sliding structure through the sliding block 12, and the push plate 13 and the ventilation chassis 1 form an elastic structure through the damper 14 and the spring 15, and the push plate 13 and the clamping plate 16 form a fixed structure, and the push plate 13 can be driven by an external force to move the clamping plate 16, so that the filter screen plate 6 can be quickly disassembled, and vice versa. Through the clamping structure of the clamping plate 16 and the clamping groove 17, the filter screen plate 6 can be clamped and fixed, and through the setting of the damper 14 and the spring 15, the clamping plate 16 can be automatically restored to its original position after losing the acting force, so that the filter screen plate 6 can be clamped and fixed, thereby the filter screen plate 6 can be quickly disassembled and assembled, and the filter screen plate 6 can be easily cleaned, thereby increasing the practicability of the device.
[0026] The clamping plate 16 and the filter screen plate 6 form a clamping structure through the clamping groove 17.
[0027] Working principle: first, the user needs to start the fan 3 to work and extract the oil smoke, the oil smoke will first pass through the filter screen plate 6, the filter screen plate 6 is made of 15MM thick nickel screen plate material, the effective oil separation rate is 85%, it has strong physical particle interception function, easy to clean, energy saving and environmental protection, greatly reducing the pollution to the environment, secondly, the fan 3 will produce a lot of noise during the process of extracting the air, and the noise will pass through the noise reduction frame 9 in the form of sound wave, and will be scattered by the sound scattering hole 10 to reduce and reduce the noise, and the sound absorbing cotton is a wave peak sound absorbing sponge. The wave peak sound absorbing sponge has very strong absorption capacity, and the shape of high and low fluctuations can well buffer the vibration, and can weaken the noise from the source, then the push plate 13 can be driven by an external force to move the clamping plate 16, so that the filter screen plate 6 can be quickly disassembled, and vice versa. Through the clamping structure of the clamping plate 16 and the clamping groove 17, the filter screen plate 6 can be clamped and fixed, and through the setting of the damper 14 and the spring 15, the clamping plate 16 can be automatically restored to its original position after losing the acting force, so that the filter screen plate 6 can be clamped and fixed, thereby the filter screen plate 6 can be quickly disassembled and assembled, and the filter screen plate 6 can be easily cleaned.
[0028] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0029] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. An energy-saving and environment-friendly fume hood, comprising a ventilation chassis (1), characterized in that: The upper side of the ventilation chassis (1) is provided with an air duct (2), the upper side of the air duct (2) is provided with a fan (3), one side of the ventilation chassis (1) is provided with a main body (4), the side wall of the main body (4) is provided with a PLC stepless speed control end (5), the lower side of the ventilation chassis (1) is provided with a filter screen plate (6), the bottom end of the filter screen plate (6) is provided with an oil receiving groove (7), the inner side of the air duct (2) is provided with an acoustic cotton layer (8), the inner side of the acoustic cotton layer (8) is provided with a noise reduction frame (9), and the side wall of the noise reduction frame (9) is provided with a sound diffusion hole (10).
2. The energy-saving and environment-friendly fume hood according to claim 1, characterized in that: The lower side wall of the ventilation chassis (1) is provided with a sliding rail (11), the inner side of the sliding rail (11) is provided with a sliding block (12), the side wall of the sliding block (12) is fixedly provided with a push plate (13), one side of the push plate (13) is provided with a damper (14), the outer periphery of the damper (14) is provided with a spring (15), the other side wall of the push plate (13) is fixedly provided with a clamping plate (16), the outer side of the clamping plate (16) is provided with a clamping groove (17), and the side wall of the filter screen plate (6) is provided with a hand holding groove (18).
3. The energy-saving and environment-friendly fume hood according to claim 1, characterized in that: The inner wall of the air duct (2) is tightly combined with the outer wall of the acoustic cotton layer (8), the inner side contour of the acoustic cotton layer (8) is matched with the outer side contour of the noise reduction frame (9), and the sound diffusion hole (10) is provided with a plurality of groups of equidistantly distributed on the side wall of the noise reduction frame (9).
4. The energy-saving and environment-friendly fume hood according to claim 1, characterized in that: The filter screen plate (6) is provided with two groups of symmetrical distribution about the center line of the ventilation chassis (1).
5. The energy-saving and environment-friendly fume hood according to claim 2, characterized in that: The push plate (13) and the sliding rail (11) constitute a sliding structure through the sliding block (12), the push plate (13) and the ventilation chassis (1) constitute an elastic structure through the damper (14) and the spring (15), and the push plate (13) and the clamping plate (16) constitute a fixed structure.
6. The energy-saving and environment-friendly fume hood according to claim 2, characterized in that: The clamping plate (16) and the filter screen plate (6) constitute a clamping structure through the clamping groove (17).