Circulating ventilation structure for thousand-grade clean workshop
By introducing a drying layer and ultraviolet germicidal lamps into the circulating air exchange structure of a Class 1000 cleanroom, combined with protective nets and testing hoses, the problems of bacterial growth and inconvenient testing have been solved, achieving air quality assurance and simplified testing operations.
Patent Information
- Application Number
- CN202520007630.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-01-03
AI Technical Summary
Existing Class 1000 cleanroom recirculation and ventilation structures are prone to bacterial growth when not in use for extended periods, affecting air quality and worker health, and are also difficult to disassemble and inspect.
The design incorporates a drying layer, ultraviolet germicidal lamps, and a protective mesh structure for drying and sterilizing the interior of the ductwork to prevent bacterial growth. A testing hose and sealing cap are also included to facilitate testing without requiring disassembly from a height.
It effectively prevents bacterial growth, maintains air quality, simplifies the testing process, protects worker health, and reduces the pressure on subsequent filtration equipment.
Smart Images

Figure CN223580095U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of thousand level clean workshop, concretely is a thousand level clean workshop circulation air structure. BACKGROUND
[0002] The thousand level clean workshop refers to a space in which the number of particles with a diameter greater than or equal to 0.1 microns per cubic meter of air is controlled to not more than 1000 through an efficient air filtration and circulation system. Such workshops are commonly used in the production of high-quality optical products, sterile manufacturing processes in the pharmaceutical industry, and the production of electronic products to ensure the high quality of products and the pure environment of production. The construction and operation of the thousand level clean workshop need to follow a series of standards, including air cleanliness, wind speed, pressure difference, and temperature and humidity control, to ensure that the air quality and environmental parameters inside the workshop meet the requirements of the specific process.
[0003] Due to the relatively dark internal environment of the circulation air duct, the existing thousand level circulation air structure is prone to bacterial growth under long-term non-use, affecting the air quality during the next use and the health of workers. The existing thousand level circulation air structure needs to be climbed to a high place to disassemble and detect the air duct, which is very troublesome. Therefore, a thousand level clean workshop circulation air structure is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims to provide a thousand level clean workshop circulation air structure to solve the problems raised in the background.
[0005] To achieve the above purpose, the utility model provides the following technical scheme:
[0006] A thousand level clean workshop circulation air structure includes an air duct, the inner side of the air duct is fixedly connected with a drying layer, the inner side of the drying layer is fixedly connected with a lamp holder, the surface of the lamp holder is provided with an ultraviolet germicidal lamp, both ends of the air duct are fixedly connected with a fixed shell, the inner side of the fixed shell is provided with a thousand level air exchange structure, the end of the fixed shell away from the air duct is spirally connected with a connecting shell, the inner side of the connecting shell is fixedly connected with a limiting ring located at the opposite middle position, the inner side of the limiting ring is slidably connected with a fixing seat, and the inner side of the fixing seat is fixedly connected with a protective net.
[0007] Preferably, the inner side of the air duct and the drying layer is connected with a detection hose, one end of the detection hose away from the air duct is fixedly connected with a connecting pipe, the end of the connecting pipe away from the detection hose is spirally connected with a sealing cover, and the outer side of the sealing cover is fixedly connected with an anti-skid plate.
[0008] Preferably, the number of the anti-skid plates is several, and the anti-skid plates are uniformly arranged on the surface of the sealing cover with the center of the sealing cover as the center.
[0009] Preferably, the lamp holder and the ultraviolet sterilization lamp are one group, and there are three groups in total, and the lamp holder and the ultraviolet sterilization lamp are uniformly arranged in a linear shape between the two groups of fixing shells.
[0010] Preferably, the detection hose is arranged at a relatively intermediate position between the air pipe and the drying layer, and the detection hose is located below the lamp holder.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] 1. In the utility model, when the thousand-level circulating air exchange structure is not used for a long time, the drying layer and the ultraviolet sterilization lamp are started through the external switch control, the inside of the air pipe is dried through the drying layer, the inside of the air pipe is kept dry, bacteria breeding is prevented, the bacteria generated in the air pipe are irradiated and killed through the ultraviolet sterilization lamp, the air is simply filtered through the protective net, foreign matters are prevented from entering the thousand-level air exchange structure, the thousand-level air exchange structure is protected, and the pressure of the subsequent filtering equipment is reduced, thereby solving the problems that the inside of the circulating air pipe is relatively dark, the existing thousand-level circulating air exchange structure is prone to bacteria breeding under the condition of long-time non-use, the air quality is affected when used next time, and the health of workers is affected.
[0013] 2. In the utility model, when it is necessary to detect whether bacteria breed in the air pipe, the air pipe does not need to be disassembled by climbing to a high place, the sealing cover is directly turned, the sealing cover is dismounted from the connecting pipe, the sealing cover is more easily opened under the action of the anti-skid plate, the detection port of the bacteria detector of the prior art is aligned with the connecting pipe, the air in the air pipe is extracted through the connecting pipe and the detection hose extended downward, the environment in the air pipe is conveniently detected, and thereby the problem that the existing thousand-level circulating air exchange structure needs to be disassembled and detected by climbing to a high place is solved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a whole structure schematic view of the utility model;
[0015] Figure 2 It is a cross section structure schematic view of the utility model;
[0016] Figure 3 It is a connecting shell side view structure schematic view of the utility model;
[0017] Figure 4The utility model discloses a sealing cover elevation structure schematic diagram.
[0018] In the drawing: 1, air pipe; 2, drying layer; 3, ultraviolet sterilization lamp; 4, fixed shell; 5, thousand level air exchange structure; 6, connecting shell; 7, limiting ring; 8, fixed seat; 9, protective net; 10, detection hose; 11, lamp holder; 12, connecting pipe; 13, sealing cover; 14, antiskid plate. DETAILED DESCRIPTION
[0019] 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, not 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.
[0020] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should also be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.
[0021] In addition, it should be noted that the use of "first", "second" and the like to qualify parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, so they cannot be understood as limiting the scope of protection of the present application.
[0022] Please refer to Figures 1-4 The utility model provides a technical scheme:
[0023] A kind of thousand level clean workshop circulation air exchange structure, including air pipe 1, the inner side of air pipe 1 is fixedly connected with drying layer 2, the inner side of drying layer 2 is fixedly connected with lamp holder 11, the surface of lamp holder 11 is equipped with ultraviolet sterilization lamp 3, the both ends of air pipe 1 are fixedly connected with fixed shell 4, the inner side of fixed shell 4 is equipped with thousand level air exchange structure 5, the end of fixed shell 4 away from air pipe 1 is spirally connected with connecting shell 6, the inner side of connecting shell 6 is fixedly connected with the limiting ring 7 located at opposite middle position, the inner side of limiting ring 7 is slidably connected with fixed seat 8, the inner side of fixed seat 8 is fixedly connected with protective net 9.
[0024] The inner side of the air pipe 1 and the drying layer 2 is connected through a detection hose 10, the end of the detection hose 10 away from the air pipe 1 is fixedly connected with a connecting pipe 12, the end of the connecting pipe 12 away from the detection hose 10 is spirally connected with a sealing cover 13, the outer side of the sealing cover 13 is fixedly connected with anti-skid plates 14, the number of the anti-skid plates 14 is several, the anti-skid plates 14 are evenly arranged on the surface of the sealing cover 13 with the center of the sealing cover 13 as the center, the lamp holder 11 and the ultraviolet sterilization lamp 3 are a group, and there are three groups in total, the lamp holder 11 and the ultraviolet sterilization lamp 3 are arranged in a straight line between the two groups of fixed shells 4, the detection hose 10 is arranged at the opposite middle position of the air pipe 1 and the drying layer 2, and the detection hose 10 is located below the lamp holder 11.
[0025] Workflow: when the thousand-level clean workshop circulation air exchange structure needs to be used, the whole device is powered by external power supply, when the thousand-level air exchange structure 5 is not used for a long time, the drying layer 2 and the ultraviolet sterilization lamp 3 are started through external switch control, the inside of the air pipe 1 is dried through the drying layer 2, the inside of the air pipe 1 is kept dry, bacteria breeding is prevented, the inside of the air pipe 1 is irradiated through the ultraviolet sterilization lamp 3, the bacteria generated in the air pipe 1 are irradiated and killed, the air is simply filtered through the protective net 9 arranged, foreign matters are prevented from entering the thousand-level air exchange structure 5, the thousand-level air exchange structure 5 is protected, and the pressure of subsequent filtering equipment is reduced, when it is needed to detect whether bacteria appear in the air pipe 1, the air pipe 1 does not need to be disassembled by climbing to a high place, the sealing cover 13 is directly turned, the sealing cover 13 is removed from the connecting pipe 12, the sealing cover 13 can be more easily opened under the action of the anti-skid plates 14, then the detection port of the existing technology bacteria detector is aligned with the connecting pipe 12, the air in the air pipe 1 can be extracted through the connecting pipe 12 and the detection hose 10 extended downward, the environment in the air pipe 1 is conveniently detected, the other group of fixed shells 4 can be spirally connected through the connecting shell 6, the air pipe 1 is connected together through the two groups of fixed shells 4, the fixing seat 8 and the protective net 9 clamped on the inner side of the limiting ring 7 are fixed through the fixed shell 4, and the structure can facilitate disassembly and replacement of the protective net 9. Because the protective net 9 is a vulnerable part, it is relatively easy to be blocked.
[0026] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art. The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.
[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A clean room air circulation structure of a thousand levels, comprising a duct (1), characterized in that: The inner side of the air pipe (1) is fixedly connected with a drying layer (2), the inner side of the drying layer (2) is fixedly connected with a lamp holder (11), the surface of the lamp holder (11) is provided with an ultraviolet sterilization lamp (3), both ends of the air pipe (1) are fixedly connected with a fixed shell (4), the inner side of the fixed shell (4) is provided with a thousand-level air exchange structure (5), the end of the fixed shell (4) away from the air pipe (1) is screw-connected with a connecting shell (6), the inner side of the connecting shell (6) is fixedly connected with a limiting ring (7) located at the opposite middle position, the inner side of the limiting ring (7) is slidingly connected with a fixing seat (8), and the inner side of the fixing seat (8) is fixedly connected with a protective net (9).
2. A clean room according to claim 1, wherein: The inner side of the air pipe (1) and the drying layer (2) is through-connected with a detection hose (10), one end of the detection hose (10) away from the air pipe (1) is fixedly connected with a connecting pipe (12), the end of the connecting pipe (12) away from the detection hose (10) is screw-connected with a sealing cover (13), and the outer side of the sealing cover (13) is fixedly connected with an anti-skid plate (14).
3. A clean room according to claim 2, wherein: The number of the anti-skid plates (14) is several, and the anti-skid plates (14) are evenly arranged on the surface of the sealing cover (13) with the center of the sealing cover (13) as the center.
4. The cleanroom according to claim 1, wherein: The lamp holder (11) and the ultraviolet sterilization lamp (3) are a group, and there are three groups in total, and the lamp holder (11) and the ultraviolet sterilization lamp (3) are evenly arranged in a linear shape between the two groups of fixed shells (4).
5. The clean room according to claim 2, wherein: The detection hose (10) is arranged at the opposite middle position of the air pipe (1) and the drying layer (2), and the detection hose (10) is located below the lamp holder (11).