A wind lobby

Abstract

The utility model provides a kind of air shower, including upper rack, two sides are respectively set air shower mechanism, and another two sides are set push-pull door, the push-pull door top is equipped with door closer, and double-layer visible window is installed on push-pull door;Lower rack is set to the bottom end of upper rack, and bottom dust removal mechanism is set inside, for removing the particle attached to the area of personnel foot bottom;The bottom dust removal mechanism includes a pair of support frame, a pair of support pedal, dust suction component, multiple groups of gyro wheel;The both ends of dust suction component are connected support frame, the support pedal with antiskid line is laid on the support frame;Multiple groups of gyro wheel are movably set between the support frame;First dust suction port is set on dust suction component, and first dust suction port is set relative to gyro wheel.The utility model is through integration bottom dust removal mechanism, realize the efficient, comprehensive removal of personnel foot bottom area dust, effectively eliminate air shower bottom purification blind area, improve the clean control effect of clean room entrance.

Description

Technical Field

[0001] This utility model relates to the field of air shower technology, and in particular to an air shower. Background Technology

[0002] An air shower is a localized purification device used at the entrance of a cleanroom, primarily to remove dust particles carried by personnel or materials. Before entering the clean area, staff must pass through an air shower chamber where a high-speed clean airflow removes particles attached to clothing, hair, etc., preventing contamination of the clean environment. It is widely used in industries with stringent cleanliness requirements, such as semiconductors, biopharmaceuticals, and food processing.

[0003] Existing air showers primarily rely on top and side nozzles to blow away dust from personnel. However, the airflow is insufficient to cover the area where the feet contact the ground, creating blind spots in the purification process. When personnel are standing, dust carried on their feet easily settles on the ground or remains on their feet, failing to be adequately blown away or removed. This poses a risk of particulate matter being introduced at the cleanroom entrance, impacting the overall cleanliness control effect.

[0004] Therefore, the aforementioned technical issues need to be resolved. Utility Model Content

[0005] In view of the shortcomings of the prior art described above, the purpose of this utility model is to provide an air shower room to solve the problem of insufficient airflow coverage in the area under the feet of personnel, resulting in poor dust removal effect.

[0006] To achieve the above and other related objectives, this utility model provides the following technical solution: an air shower room, including an upper frame, with air shower mechanisms on both sides and sliding doors on the other two sides. A door closer is installed on the top of each sliding door, and a double-layered viewing window is installed on the sliding door. A lower frame is located at the bottom of the upper frame and has a bottom dust removal mechanism inside for removing particles adhering to the area under personnel's feet. The bottom dust removal mechanism includes a pair of support frames, a pair of support pedals, a dust collection assembly, and multiple sets of rollers. The two ends of the dust collection assembly are connected to the support frames, and support pedals with anti-slip textures are laid on the support frames. Multiple sets of rollers are movably arranged between the support frames. A first dust collection port is provided on the dust collection assembly, and the first dust collection port is positioned relative to the rollers.

[0007] To achieve the above technical solution, a bottom dust removal mechanism is installed in the lower frame. A dust collection component and a first dust collection port are integrated in the support foot area where personnel stand. Multiple sets of rollers guide the airflow and directional flow of particles as the feet move, solving the problem of insufficient airflow coverage of the foot area in existing air showers. The high-speed clean airflow and negative pressure dust collection work together to efficiently capture and remove particles attached to the feet, improving the dust removal effect in the foot area, thereby reducing the risk of particles being brought into the cleanroom and improving the overall cleanliness control level.

[0008] In one embodiment of this utility model, the dust collection assembly is provided with multiple sets of fans, including a first fan, a second fan, and a third fan, the first fan, the second fan, and the third fan have the same structure; the second fan and the third fan are respectively arranged on both sides of the first fan, and the second fan and the third fan are arranged in parallel; the first air intake of the first fan is arranged relative to the first dust intake, and its position height is higher than the second air intake of the second fan and the third fan, and the second air intake is arranged relative to the bottom of the roller.

[0009] To achieve the above technical solution, the first, second, and third fans are arranged side by side within the dust collection assembly. The first fan is located in the middle, with its first air intake facing the surface of the support pedal. The second and third fans are distributed on both sides, with their second air intakes facing the bottom of the rollers. When a person steps on the support pedal, causing the rollers to rotate, the dust stirred up by their feet is first efficiently captured by the first fan in the center. At the same time, the fans on both sides continuously draw airflow from below the rollers, forming a composite airflow field from top to bottom and from the center to both sides. This not only enhances the instantaneous capture capability of particles stirred up during stepping but also prevents particles from accumulating in the gaps between the rollers or from secondary dispersion, thereby improving the dust removal efficiency and cleanliness control level of the foot area.

[0010] In one embodiment of the present invention, the second air intakes of the second fan and the third fan are both connected to the air intake pipe, and multiple sets of suction nozzles are provided on the air intake pipe, with corresponding gaps between the suction nozzles and the rollers; the second air intake on the suction nozzle is directly facing the area under the feet of the person.

[0011] To achieve the above technical solution, a suction duct is connected to the second air intake of the second and third fans, and multiple sets of suction nozzles are arranged on the duct corresponding to the gaps between the rollers. The suction direction of the nozzles is directed towards the area under the feet of the personnel, forming a densely distributed negative pressure suction network. When personnel step on the pedals and their feet move in contact with the rollers, the dust stirred up and the particles escaping from the gaps under their feet can be captured simultaneously by the central first fan and the negative pressure airflow evenly distributed through the suction nozzles on both sides. This particularly enhances the suction capacity of areas prone to dust accumulation, such as the gaps between the rollers, and avoids the residue of particles or their backflow with the airflow, thereby improving the comprehensiveness and purification efficiency of bottom dust removal.

[0012] In one embodiment of the present invention, the outer ring of the roller is provided with an adhesive polymer coating.

[0013] To achieve the above technical solution, an adhesive polymer coating is applied to the outer ring of the roller. This coating can adsorb tiny particles stirred up by airflow disturbance when personnel's feet come into contact with the roller. Combined with the negative pressure suction of the fan, a dual dust removal mechanism of physical adhesion and airflow capture is formed. This coating can continuously capture fine dust and fiber debris that are difficult to remove with traditional airflow, preventing them from being released back into the environment as the roller rotates. This enhances the removal capacity of residual pollutants on complex surfaces and micropores of the feet, further reducing the risk of contamination at the entrance of the cleanroom and improving the overall purification efficiency of the air shower.

[0014] In one embodiment of the present invention, a stabilizing frame is provided at the bottom end of the support frame near the dust collection component, and multiple anti-slip legs are provided at the bottom of the stabilizing frame; multiple sets of pushing components are installed on the stabilizing frame at a position opposite to the support frame, and the output rod of the pushing component abuts against the bottom of the bracket.

[0015] To achieve the above technical solution, the jacking component adjusts the stress state of the support frame to fine-tune the overall tilt angle of the bottom dust removal mechanism. When personnel walk on the rollers, the output rod of the jacking component applies an adjustable lifting force to the bottom of the support frame, creating a suitable tilt angle in the roller area. This guides the foot to generate more rolling friction and relative sliding between the rollers. This posture change, combined with the direct suction of the foot disturbance area by the first fan above and the negative pressure suction of the roller gaps by the suction nozzles on both sides, enhances the ability to peel off and capture hidden particles, thereby improving the overall dust removal efficiency.

[0016] In one embodiment of the present invention, a limiting protruding beam is installed on the stabilizing frame, and a limiting concave beam is installed at the bottom of the bracket relative to the limiting protruding beam, wherein the limiting concave beam can be inserted into the limiting protruding beam.

[0017] To achieve the above technical solution, a precise mechanical limiting structure is formed by setting a limiting protruding beam on the stabilizing frame and installing a corresponding insertable limiting concave beam at the bottom of the support frame. This not only constrains the displacement direction of the support frame under the action of the jacking component, preventing it from deflecting or misaligning due to uneven force, but also ensures the positioning accuracy and repeatability of the bottom dust removal mechanism when adjusting the tilt angle. This limiting structure works in conjunction with the jacking component to achieve fine-tuning of the support frame's posture while ensuring the stability of the airflow gap between the dust collection component, rollers, and nozzle. This avoids the dust removal effect being affected by structural loosening, thereby optimizing the personnel's stepping posture to improve dust removal efficiency while maintaining the long-term reliability and structural safety of the system.

[0018] In one embodiment of this utility model, a handrail is installed on the inner side of the sliding door.

[0019] To achieve the above technical solution, handrails are installed on the inside of the sliding door, which can provide stable support for personnel entering the air shower room, making it easier for them to maintain their balance when stepping on the rollers, standing on one foot or alternating. Especially when the bottom dust removal mechanism is tilted, it helps personnel to complete standardized walking or stepping movements, ensuring that the soles of their feet are in full contact with the rollers and improving the stability of the dust removal process.

[0020] As described above, the air shower of this utility model has the following beneficial effects: By setting a bottom dust removal mechanism in the lower frame, integrating a dust collection component and a first dust collection port in the support foot area where personnel stand, and cooperating with multiple sets of rollers to guide the airflow and directional flow of particles with the movement of the feet, this utility model solves the problem of insufficient airflow coverage of the foot area in existing air showers, resulting in a purification blind spot; the high-speed clean airflow and negative pressure dust collection work together to efficiently capture and remove particles attached to the feet, improve the dust removal effect in the foot area, thereby reducing the risk of particles being brought into the clean room and improving the overall cleanliness control level. Attached Figure Description

[0021] Figure 1 The diagram shown is a schematic representation of the structure of an air shower room disclosed in an embodiment of this utility model.

[0022] Figure 2 The diagram shown is a schematic diagram of the bottom dust removal mechanism of an air shower disclosed in an embodiment of this utility model.

[0023] Figure 3 The diagram shown is a schematic diagram of the dust collection component structure of an air shower room disclosed in an embodiment of this utility model.

[0024] Component labeling: 1. Lower frame; 2. Upper frame; 3. Door closer; 4. Sliding door; 5. Double-layer viewing window; 6. Air shower mechanism; 7. Bottom dust removal mechanism; 701. Support frame; 702. Support pedal; 703. Dust collection assembly; 7031. First dust collection port; 7032. First fan; 7033. First air intake; 7034. Second fan; 7035. Third fan; 7036. Second air intake; 7037. Suction duct; 7038. Nozzle; 7039. Second dust collection port; 704. Stabilizer; 7041. Support leg; 705. Push assembly; 706. Limiting concave beam; 707. Limiting convex beam; 708. Roller; 7081. Adhesive polymer coating. Detailed Implementation

[0025] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. It should be noted that, unless otherwise specified, the following embodiments and features can be combined with each other.

[0026] Please see Figure 1 This utility model provides an air shower room, including an upper frame 2, with air shower mechanisms 6 on both sides, and sliding doors 4 on the other two sides. A door closer 3 is installed on the top of the sliding door 4, and a double-layer viewing window 5 is installed on the sliding door 4. A lower frame 1 is set at the bottom of the upper frame 2, and a bottom dust removal mechanism 7 is set inside to remove particles attached to the area under the feet of personnel.

[0027] Furthermore, the air shower unit 6 uses a dedicated high-volume fan with air supply from both sides.

[0028] Furthermore, the air shower mechanism 6 uses stainless steel universal nozzles, with at least 12 nozzles on both sides. In this embodiment, 18 nozzles are provided, and the nozzle wind speed can reach 25m / s±10%.

[0029] Furthermore, the air shower unit 6 is equipped with a primary and high-efficiency dual-stage filtration system with a filtration efficiency of 99.99%.

[0030] Furthermore, the air shower mechanism 6 is equipped with an infrared sensor for air showering, and the air showering time is adjustable from 1 to 99 seconds.

[0031] For further information, please refer to [link / reference]. Figure 2 The bottom dust removal mechanism 7 includes a pair of support frames 701, a pair of support pedals 702, a dust collection component 703, and multiple sets of rollers 708; the two ends of the dust collection component 703 are connected to the support frames 701, and the support frames 701 are covered with support pedals 702 with anti-slip texture; multiple sets of rollers 708 are movably arranged between the support frames 701; a first dust collection port 7031 is provided on the dust collection component 703, and the first dust collection port 7031 is arranged relative to the rollers 708.

[0032] Furthermore, in other embodiments, the roller 708 may be configured as an electric roller 708.

[0033] By setting a bottom dust removal mechanism 7 in the lower frame 1, integrating a dust collection component 703 and a first dust collection port 7031 in the support foot pedal 702 area where personnel stand, and cooperating with multiple sets of rollers 708 to guide airflow and directional flow of particles as the feet move, the problem of insufficient airflow coverage of the foot area in existing air showers is solved. The high-speed clean airflow and negative pressure dust collection work together to efficiently capture and remove particles attached to the feet, improve the dust removal effect in the foot area, thereby reducing the risk of particles being brought into the clean room and improving the overall cleanliness control level.

[0034] For further information, please refer to [link / reference]. Figure 3The dust collection assembly 703 is equipped with multiple fans, including a first fan 7032, a second fan 7034, and a third fan 7035. The first fan 7032, the second fan 7034, and the third fan 7035 have the same structure. The second fan 7034 and the third fan 7035 are respectively arranged on both sides of the first fan 7032, and the second fan 7034 and the third fan 7035 are arranged in parallel. The first air intake 7033 of the first fan 7032 is arranged relative to the first dust intake 7031, and its position height is higher than the second air intake 7036 of the second fan 7034 and the third fan 7035. The second air intake 7036 is arranged relative to the bottom of the roller 708.

[0035] By arranging the first, second, and third fans 7035 side by side within the dust collection assembly 703, with the first fan 7032 located in the middle and its first air intake 7033 facing the surface of the support pedal 702, and the second and third fans 7035 distributed on both sides with their second air intakes 7036 facing the bottom of the roller 708, when a person steps on the support pedal 702 and causes the roller 708 to rotate, the dust stirred up by the foot is first efficiently captured by the central first fan 7032, while the fans on both sides continuously draw airflow from below the roller 708, forming a composite airflow field from top to bottom and from the center to both sides. This not only enhances the instantaneous capture capability of particles stirred up during stepping, but also prevents particles from accumulating or escaping secondary in the gaps between the rollers 708, thereby improving the dust removal efficiency and cleanliness control level of the foot area.

[0036] Furthermore, the second air intake 7036 of the second fan 7034 and the third fan 7035 are both connected to the air intake duct 7037. Multiple sets of suction nozzles 7038 are provided on the air intake duct 7037, and the gaps between the suction nozzles 7038 and the rollers 708 are correspondingly set. The second air intake 7036 on the suction nozzles 7038 is directly facing the area under the feet of the personnel.

[0037] By connecting the second air intake 7036 of the second fan 7034 and the third fan 7035 with an air intake pipe 7037, and arranging multiple sets of suction nozzles 7038 on the pipe corresponding to the gaps between the rollers 708, the suction direction of the suction nozzles 7038 is directed towards the area under the feet of the personnel, forming a densely distributed negative pressure suction network. When the personnel step on the pedal and their feet come into contact with the rollers 708, the dust stirred up and the particles escaping from the gaps under their feet can be captured simultaneously by the central first fan 7032 and the negative pressure airflow evenly distributed on both sides through the suction nozzles 7038. This particularly enhances the suction capacity for areas prone to dust accumulation, such as the gaps between the rollers 708, preventing particulate matter from remaining or flowing back with the airflow, and improving the comprehensiveness and purification efficiency of bottom dust removal.

[0038] Furthermore, the outer ring of roller 708 is provided with an adhesive polymer coating 7081.

[0039] An adhesive polymer coating 7081 is applied to the outer ring of the roller 708. This coating can adsorb tiny particles stirred up by airflow when personnel's feet come into contact with the roller 708. Combined with the negative pressure suction of the fan, it forms a dual dust removal mechanism of physical adhesion and airflow capture. This coating can continuously capture fine dust and fiber debris that are difficult to remove with traditional airflow, preventing them from being released back into the environment as the roller 708 rotates. This enhances the removal capacity of residual pollutants on complex surfaces and micropores of the feet, further reducing the risk of contamination at the entrance of the cleanroom and improving the overall purification efficiency of the air shower.

[0040] Furthermore, a stabilizing frame 704 is provided at the bottom of the support frame 701 near the dust collection component 703, and multiple anti-slip legs 7041 are provided at the bottom of the stabilizing frame 704; multiple sets of pushing components 705 are installed on the stabilizing frame 704 at a position opposite to the support frame 701, and the output rod of the pushing component 705 abuts against the bottom of the bracket.

[0041] The jacking assembly 705 adjusts the overall tilt angle of the bottom dust removal mechanism 7 by regulating the force applied to the support frame 701. When a person walks on the rollers 708, the output rod of the jacking assembly 705 applies an adjustable lifting force to the bottom of the support frame 701, creating a suitable tilt angle in the roller 708 area. This guides the foot to generate more rolling friction and relative sliding between the foot and the rollers 708. This posture change, combined with the direct suction of the foot disturbance area by the first fan 7032 above and the negative pressure suction of the gaps between the rollers 708 by the suction nozzles on both sides, enhances the ability to peel off and capture hidden particles, thereby improving the overall dust removal efficiency.

[0042] Furthermore, a limiting protruding beam 707 is installed on the stabilizer 704, and a limiting concave beam 706 is installed at the bottom of the bracket relative to the limiting protruding beam 707. The limiting concave beam 706 can be inserted into the limiting protruding beam 707.

[0043] By setting a limiting protruding beam 707 on the stabilizing frame 704 and installing an insertable limiting concave beam 706 at the bottom of the support frame 701, a precise mechanical limiting fit structure is formed. This not only constrains the displacement direction of the support frame 701 under the action of the pushing component 705, preventing it from deflecting or misaligning due to uneven force, but also ensures the positioning accuracy and repeatability of the bottom dust removal mechanism 7 when adjusting the tilt angle. This limiting structure works in conjunction with the pushing component 705 to achieve fine adjustment of the posture of the support frame 701 while ensuring the stability of the airflow gap between the dust collection component 703, the roller 708 and the suction nozzle 7038. This avoids the dust removal effect being affected by structural loosening, thereby optimizing the personnel's stepping posture to improve dust removal efficiency while maintaining the long-term reliability and structural safety of the system.

[0044] Furthermore, a handrail is installed on the inside of the sliding door 4.

[0045] Handrails are installed on the inside of the sliding door 4 to provide stable support for personnel entering the air shower room, making it easier for them to maintain their balance when stepping on the rollers 708, standing on one foot or alternating. Especially when the bottom dust removal mechanism 7 is tilted, it helps personnel to complete standardized walking or stepping movements, ensuring that the soles of their feet are in full contact with the rollers 708, thus improving the stability of the dust removal process.

[0046] Furthermore, the workflow of an air shower includes:

[0047] Personnel enter the air shower room through the sliding door 4. After the door is closed, the door closer 3 automatically locks to ensure a seal. After entering, personnel hold onto the handrail on the inside of the door to maintain their stability and begin to step on or simulate walking on the rollers 708.

[0048] At this time, the bottom dust removal mechanism 7 is activated, and the push component 705 applies a lifting force according to the setting. The support frame 701 is adjusted to form a suitable tilt angle, so that the area of ​​the roller 708 is tilted, thereby changing the contact posture between the foot and the roller 708 and enhancing the friction and dust particle disturbance effect.

[0049] Furthermore, the adhesive polymer coating 7081 on the outer ring of the roller 708 adsorbs particles detached from the sole, while the central first fan 7032 efficiently captures dust stirred up during footsteps through the first air intake 7033. The second fans 7034 and the third fans 7035 on both sides continuously draw in negative pressure from below through the suction pipe 7037 and the suction nozzles 7038 corresponding to the gaps between the rollers 708, directionally extracting the particles. Multiple fans work together to form a composite airflow field from top to bottom and from the center to the edge, combining physical adhesion and airflow capture to achieve efficient removal of dust from the soles of the feet and shoe seams.

[0050] At the same time, high-speed clean airflow is sprayed from the side nozzles to blow away dust from the clothing. After the set air shower time is completed, the sliding door 4 opens automatically, and personnel enter the clean area.

[0051] This invention solves the problem of blind spots in the purification of the foot area, and improves the dust removal effect and overall cleanliness control level at the entrance of the cleanroom.

[0052] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit this utility model. All equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. An air shower, characterized in that, The system includes an upper frame with air showers on both sides and sliding doors on the other two sides. Each sliding door has a door closer at the top and a double-layered viewing window. A lower frame is located at the bottom of the upper frame and contains a bottom dust removal mechanism to remove particles adhering to the area under personnel's feet. The bottom dust removal mechanism includes a pair of support frames, a pair of support pedals, a dust collection assembly, and multiple sets of rollers. The dust collection assembly is connected to the support frames at both ends, and the support frames are covered with support pedals with anti-slip textures. Multiple sets of rollers are movably arranged between the support frames. The dust collection assembly has a first suction port positioned relative to the rollers.

2. The air shower room according to claim 1, characterized in that, The dust collection assembly is equipped with multiple sets of fans, including a first fan, a second fan, and a third fan, all of which have the same structure. The second fan and the third fan are respectively arranged on both sides of the first fan, and are arranged parallel to each other. The first air intake of the first fan is positioned relative to the first dust intake, and its position is higher than the second air intakes of the second and third fans. The second air intake is positioned relative to the bottom of the roller.

3. The air shower room according to claim 2, characterized in that, The second air intake of the second fan and the third fan are both connected to the air intake duct. Multiple sets of suction nozzles are connected on the air intake duct, and the gaps between the suction nozzles and the rollers are correspondingly set. The second air intake on the suction nozzle is directly facing the area under the feet of the personnel.

4. The air shower room according to claim 2, characterized in that, The outer ring of the roller is coated with an adhesive polymer.

5. The air shower room according to claim 1, characterized in that, The support frame has a stabilizing frame at the bottom of the side near the dust collection component, and the bottom of the stabilizing frame is provided with multiple anti-slip legs; multiple sets of pushing components are installed on the stabilizing frame and at the position opposite to the support frame, and the output rod of the pushing component abuts against the bottom of the bracket.

6. An air shower room according to claim 5, characterized in that, A limiting protruding beam is installed on the stabilizing frame, and a limiting concave beam is installed at the bottom of the bracket relative to the limiting protruding beam. The limiting concave beam can be inserted into the limiting protruding beam.

7. An air shower according to claim 1, characterized in that, Handrails are installed on the inside of the sliding door.

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