Mute hundred-level laminar flow purification box
By introducing a high-efficiency filter mechanism and noise reduction components into the silent Class 100 laminar flow cleanroom, the problems of noise interference and poor filtering effect are solved, and quiet operation and high-cleanliness air output are achieved. It is suitable for noise-sensitive places such as hospital wards and laboratories.
Patent Information
- Application Number
- CN202422657597.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-11-01
AI Technical Summary
Existing silent Class 100 laminar flow purification boxes tend to generate loud noise during use, causing interference to the surrounding environment, especially in some places with strict noise requirements, such as hospital wards and laboratories, affecting patients' rest and experimental accuracy. At the same time, the filtering effect on tiny particles and harmful gases is not ideal.
The design adopts a high-efficiency filter mechanism and noise reduction components, including a movable frame, mounting plate, filter frame, sound-absorbing cotton and sound insulation cover. The high-efficiency filter mechanism can be easily replaced and cleaned, and the noise reduction component greatly reduces the fan noise. The laminar filter assembly works together with the high-efficiency filter mechanism to ensure that the air is delivered evenly and stably.
It achieves a silent operating environment, avoids noise interference, improves air cleanliness and stability, and meets the high cleanliness requirements of places such as hospitals and electronic component assembly workshops.
Smart Images

Figure CN223399887U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of air purification equipment, in particular to a silent 100-level laminar flow purification box. Background Art
[0002] The silent 100-level laminar flow purification box is an air purification device, which is mainly used to provide a highly clean air environment. This purification box adopts laminar flow technology. Laminar flow means that the air flows in a uniform and parallel airflow manner. The air passes through a multi-stage filtration system such as high-efficiency filters in the purification box, which can effectively remove pollutants such as dust, particles, bacteria, viruses and harmful gases in the air.
[0003] The noise problem of air purifiers has always been the direction that technicians have been working hard to overcome. There are many noise sources in air purifiers, such as fans, airflow, mechanical connections, etc. How to further reduce the noise when using air purifiers and provide users with a quieter and more comfortable experience has become a problem that needs to be further solved.
[0004] The existing patent (publication number: CN211836899U) discloses a silent air purification device, including: a purification chamber, the purification chamber is provided with an air inlet and an air outlet pipe, the air outlet pipe is provided with an air outlet; a fan is arranged in the purification chamber; a cylindrical filter element is sleeved on the air outlet pipe; a conical guide member. The silent air purification device provided by this utility model guides the outlet air after being filtered by the cylindrical filter element by arranging a conical guide member, smoothly changes its airflow direction, and guides the airflow to the next-level diffuser pipe for expansion and deceleration, thereby achieving the effect of reducing wind noise.
[0005] In response to the above problems, existing patents have provided solutions. However, the existing silent Class 100 laminar flow cleanroom box is prone to generate loud noise during use, causing interference to the surrounding environment, especially in some places with strict noise requirements, such as hospital wards, laboratories, etc., which can easily affect patients' rest and the accuracy of experiments. Although the silent Class 100 laminar flow cleanroom box can filter out most dust particles and pollutants, the filtering effect on some tiny particles and harmful gases may not be ideal.
[0006] Therefore, a silent 100-level laminar flow purification box is proposed. Utility Model Content
[0007] The purpose of the utility model is to provide a silent 100-level laminar flow purification box, which can solve the problem that the existing silent 100-level laminar flow purification box is prone to generate loud noise during use, causing interference to the surrounding environment, especially in some places with strict noise requirements, such as hospital wards, laboratories, etc., which is easy to affect patients' rest and the accuracy of experiments. Although the silent 100-level laminar flow purification box can filter out most dust particles and pollutants, the filtering effect for some tiny particles and harmful gases may not be ideal.
[0008] To achieve the above-mentioned object, the present invention provides the following technical solution: a silent 100-level laminar flow purification box, comprising a box body, a centrifugal fan bolted to the inner wall of the box body, a noise reduction component sleeved on the surface of the centrifugal fan, a high-efficiency filter mechanism provided on the inner wall of the box body, and a laminar flow filter assembly bolted to the inner wall of the box body;
[0009] The high-efficiency filter mechanism includes a mounting plate, a movable frame and a filter frame. The left side of the movable frame is bolted to the right side of the mounting plate. The surface of the filter frame is clamped to the inner wall of the movable frame. The surface of the movable frame is plugged into the inner wall of the box. The surface of the mounting plate is clamped to the inner wall of the box.
[0010] Preferably, the noise reduction component includes sound-absorbing cotton and a sound insulation cover, the sound insulation cover is sleeved on the surface of the sound-absorbing cotton, and the sound-absorbing cotton is sleeved on the surface of the centrifugal fan.
[0011] Preferably, a sealing ring is bonded to the left side of the mounting plate, and the surface of the sealing ring is snap-fitted to the inner wall of the box body.
[0012] Preferably, a fixing plate is bolted to the front side of the mounting plate, and a surface of the fixing plate is snap-fitted to the inner wall of the box.
[0013] Preferably, the inner wall of the fixing plate is movably connected with a knob, the surface of the knob is threadedly connected to the inner wall of the box, and the right side of the knob passes through the inner wall of the fixing plate and extends to the inner wall of the box.
[0014] Preferably, a sealing groove for use with a sealing ring is provided on the inner wall of the box body, and a limiting groove for use with a fixing plate is provided on the inner wall of the box body.
[0015] Preferably, the filter frame includes a mounting frame and a filter screen, the surface of the filter screen is fixedly connected to the inner wall of the mounting frame, and the surface of the mounting frame is snap-fitted to the inner wall of the movable frame.
[0016] Preferably, an air inlet is provided on the inner wall of the box body, and an air outlet is provided on the inner wall of the box body.
[0017] Compared with the prior art, the beneficial effects of the present invention are:
[0018] 1. This application sets a high-efficiency filter mechanism, the movable frame is bolted to the mounting plate, the filter frame is snapped onto the inner wall of the movable frame, and the movable frame and the mounting plate are plugged and snapped onto the box body respectively, so that the filter frame is easy to install and disassemble, easy to replace and clean, and ensures the continuous high-efficiency filtering performance of the box body. The filter frame effectively filters dust particles and pollutants, laying the foundation for subsequent purification, ensuring the output of high-cleanliness air, and meeting the needs of places such as hospital operating rooms and electronic component assembly workshops;
[0019] 2. This application provides a noise reduction component, which is mounted on the surface of the centrifugal fan to significantly reduce the fan noise, thereby providing a quiet operating environment for the purification box and avoiding interference with patient rest and experimental accuracy in noise-sensitive places such as hospital wards and laboratories. The laminar filter component and the high-efficiency filter mechanism work together to improve the air purification effect, so that the double-filtered air is delivered in a laminar flow form, ensuring that the air is uniform and stable, and improving the air cleanliness and stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is the overall structure diagram of the silent 100-level laminar flow purification box of the utility model;
[0021] Figure 2 This is a front view of the laminar flow filter assembly of the present invention;
[0022] Figure 3 This is a structural diagram of the box body of the utility model;
[0023] Figure 4 This is a structural diagram of the filter frame of the utility model;
[0024] Figure 5 This is a structural diagram of the fixed plate of the utility model.
[0025] In the figure, 1. Box body; 2. High-efficiency filter mechanism; 201. Mounting plate; 202. Movable frame; 203. Filter frame; 203a. Mounting frame; 203b. Filter; 3. Noise reduction component; 301. Sound-absorbing cotton; 302. Sound insulation cover; 4. Centrifugal fan; 5. Laminar flow filter assembly; 6. Sealing ring; 7. Fixing plate; 8. Knob; 9. Sealing groove; 10. Limiting groove; 11. Air inlet; 12. Air outlet. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0027] See also Figure 1-5, this utility model provides a technical solution:
[0028] A silent 100-level laminar flow purification box includes a box body 1, a centrifugal fan 4 is bolted to the inner wall of the box body 1, a noise reduction component 3 is sleeved on the surface of the centrifugal fan 4, a high-efficiency filter mechanism 2 is provided on the inner wall of the box body 1, and a laminar flow filter assembly 5 is bolted to the inner wall of the box body 1;
[0029] The high-efficiency filter mechanism 2 includes a mounting plate 201, a movable frame 202 and a filter frame 203. The left side of the movable frame 202 is bolted to the right side of the mounting plate 201, the surface of the filter frame 203 is snap-fitted to the inner wall of the movable frame 202, the surface of the movable frame 202 is plugged into the inner wall of the box body 1, and the surface of the mounting plate 201 is snap-fitted to the inner wall of the box body 1.
[0030] In this embodiment, by setting a high-efficiency filter mechanism 2, the movable frame 202 is bolted to the mounting plate 201, the filter frame 203 is clamped on the inner wall of the movable frame 202, and the movable frame 202 is plugged into the box body 1, and the mounting plate 201 is clamped to the box body 1, so that the installation and removal of the filter frame 203 are extremely convenient. When the filter frame 203 needs to be replaced or cleaned, it can be easily operated, ensuring the continuous high-efficiency filtering performance of the box body 1. The filter frame 203 can effectively filter dust particles and pollutants in the air, laying a good foundation for subsequent air purification, ensuring that the output air has high cleanliness, and meeting the needs of places with strict requirements on air cleanliness. , such as hospital operating rooms, electronic component assembly workshops, etc., by setting up the noise reduction component 3, the noise reduction component 3 brings a quiet operating environment to the purification box. The noise reduction component 3 mounted on the surface of the centrifugal fan 4 can greatly reduce the noise generated by the fan during operation, avoiding interference with patient rest and experimental accuracy in noise-sensitive environments such as hospital wards, laboratories, etc. The laminar filter component 5 works together with the high-efficiency filter mechanism 2 to further enhance the air purification effect. It enables the double-filtered air to be delivered in the form of laminar flow, ensuring that the air is uniform and stable, without turbulence and vortexes, greatly improving the cleanliness and stability of the air.
[0031] Specifically, such as Figure 2 As shown, the noise reduction component 3 includes sound-absorbing cotton 301 and a sound insulation cover 302 . The sound insulation cover 302 is sleeved on the surface of the sound-absorbing cotton 301 , and the sound-absorbing cotton 301 is sleeved on the surface of the centrifugal fan 4 .
[0032] Specifically, such as Figure 3 As shown, a sealing ring 6 is bonded to the left side of the mounting plate 201 , and the surface of the sealing ring 6 is engaged with the inner wall of the box body 1 .
[0033] Specifically, such as Figure 3 、 Figure 4 、 Figure 5 As shown, a fixing plate 7 is bolted to the front side of the mounting plate 201 , and a surface of the fixing plate 7 is engaged with the inner wall of the box body 1 .
[0034] In this embodiment: the sound-absorbing cotton 301 and the sound insulation cover 302 in the noise reduction component 3 cooperate with each other, which can more effectively reduce the noise generated by the operation of the centrifugal fan 4. The sealing ring 6 on the left side of the mounting plate 201 is snapped into the box body 1, which enhances the sealing between the mounting plate 201 and the box body 1, and prevents unfiltered air from entering from the connection between the mounting plate 201 and the box body 1, ensuring the filtering effect and improving the air cleanliness. The fixing plate 7 on the front side of the mounting plate 201 is snapped into the box body 1, further strengthening the stability of the mounting plate 201, and ensuring that the high-efficiency filter mechanism 2 will not loosen during operation, thereby continuously and stably performing the filtering effect.
[0035] Specifically, such as Figure 3 、 Figure 5 As shown, the inner wall of the fixing plate 7 is movably connected with a knob 8, the surface of the knob 8 is threadedly connected to the inner wall of the box body 1, and the right side of the knob 8 passes through the inner wall of the fixing plate 7 and extends to the inner wall of the box body 1.
[0036] Specifically, such as Figure 3 As shown, a sealing groove 9 for use with the sealing ring 6 is opened on the inner wall of the box body 1 , and a limiting groove 10 for use with the fixing plate 7 is opened on the inner wall of the box body 1 .
[0037] In this embodiment: the sealing groove 9 on the inner wall of the box body 1 is used in conjunction with the sealing ring 6 to further improve the sealing performance, effectively preventing external impurities from entering the interior of the box body 1, ensuring that the air treated by the box body 1 maintains a high degree of cleanliness, and the limiting groove 10 cooperates with the fixing plate 7 to provide an accurate installation position for the fixing plate 7, making the installation of the fixing plate 7 more stable, thereby enhancing the overall stability of the high-efficiency filter mechanism 2.
[0038] Specifically, such as Figure 4 As shown, the filter frame 203 includes a mounting frame 203a and a filter screen 203b. The surface of the filter screen 203b is fixedly connected to the inner wall of the mounting frame 203a. The surface of the mounting frame 203a is engaged with the inner wall of the movable frame 202.
[0039] Specifically, such as Figure 2 As shown, an air inlet 11 is opened on the inner wall of the box body 1 , and an air outlet 12 is opened on the inner wall of the box body 1 .
[0040] In this embodiment: the mounting frame 203a in the filter frame 203 provides a stable support for the filter screen 203b, and the filter screen 203b can effectively filter the dust particles and pollutants in the air, laying a good foundation for subsequent air purification. The air inlet 11 of the box body 1 ensures that the air can smoothly enter the box body 1 for filtration and purification, and the air outlet 12 allows the clean air that has been double-filtered and delivered in the form of laminar flow to be discharged, providing continuous and stable high-quality air for places requiring high-cleanliness air.
[0041] Working principle: During the use of the box 1, by setting the high-efficiency filter mechanism 2, the movable frame 202 is bolted to the mounting plate 201, the filter frame 203 is clamped on the inner wall of the movable frame 202, and the movable frame 202 is plugged into the box 1, and the mounting plate 201 is clamped with the box 1, so that the installation and removal of the filter frame 203 are extremely convenient. When the filter frame 203 needs to be replaced or cleaned, it can be easily operated, ensuring the continuous and efficient filtering performance of the box 1. The filter frame 203 can effectively filter dust particles and pollutants in the air, laying a good foundation for subsequent air purification, ensuring that the output air has high cleanliness, and meeting the strict requirements on air cleanliness. The noise reduction component 3 is set to meet the needs of different places, such as hospital operating rooms, electronic component assembly workshops, etc. The noise reduction component 3 brings a quiet operating environment to the purification box. The noise reduction component 3 mounted on the surface of the centrifugal fan 4 can greatly reduce the noise generated by the fan during operation, avoiding interference with patient rest and experimental accuracy in noise-sensitive environments such as hospital wards and laboratories. The laminar filter component 5 works together with the high-efficiency filter mechanism 2 to further enhance the air purification effect. It enables the double-filtered air to be delivered in the form of laminar flow, ensuring that the air is uniform and stable, without turbulence and vortexes, and greatly improving the cleanliness and stability of the air.
[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A silent 100-level laminar flow purification box, comprising a box body (1), characterized in that: A centrifugal fan (4) is bolted to the inner wall of the box (1), a noise reduction component (3) is sleeved on the surface of the centrifugal fan (4), a high-efficiency filter mechanism (2) is provided on the inner wall of the box (1), and a laminar filter component (5) is bolted to the inner wall of the box (1); The high-efficiency filter mechanism (2) comprises a mounting plate (201), a movable frame (202) and a filter frame (203); the left side of the movable frame (202) is bolted to the right side of the mounting plate (201); the surface of the filter frame (203) is snap-fitted to the inner wall of the movable frame (202); the surface of the movable frame (202) is plugged into the inner wall of the box (1); and the surface of the mounting plate (201) is snap-fitted to the inner wall of the box (1).
2. The silent 100-level laminar flow purification box according to claim 1, characterized in that: The noise reduction component (3) comprises sound-absorbing cotton (301) and a sound insulation cover (302), wherein the sound insulation cover (302) is sleeved on the surface of the sound-absorbing cotton (301), and the sound-absorbing cotton (301) is sleeved on the surface of the centrifugal fan (4).
3. The silent 100-level laminar flow purification box according to claim 1, characterized in that: A sealing ring (6) is bonded to the left side of the mounting plate (201), and the surface of the sealing ring (6) is engaged with the inner wall of the box body (1).
4. The silent 100-level laminar flow purification box according to claim 3 is characterized by: A fixing plate (7) is bolted to the front side of the mounting plate (201), and the surface of the fixing plate (7) is snap-fitted to the inner wall of the box body (1).
5. The silent 100-level laminar flow purification box according to claim 4 is characterized by: The inner wall of the fixing plate (7) is movably connected to a knob (8), the surface of the knob (8) is threadedly connected to the inner wall of the box (1), and the right side of the knob (8) passes through the inner wall of the fixing plate (7) and extends to the inner wall of the box (1).
6. The silent 100-level laminar flow purification box according to claim 5, characterized in that: The inner wall of the box body (1) is provided with a sealing groove (9) for use with a sealing ring (6), and the inner wall of the box body (1) is provided with a limiting groove (10) for use with a fixing plate (7).
7. The silent 100-level laminar flow purification box according to claim 1, characterized in that: The filter frame (203) comprises a mounting frame (203a) and a filter screen (203b), the surface of the filter screen (203b) is fixedly connected to the inner wall of the mounting frame (203a), and the surface of the mounting frame (203a) is snap-fitted to the inner wall of the movable frame (202).
8. The silent 100-level laminar flow purification box according to claim 1, characterized in that: An air inlet (11) is provided on the inner wall of the box body (1), and an air outlet (12) is provided on the inner wall of the box body (1).
Citation Information
Patent Citations
Mute type air purification device
CN211836899U