Wireless ap mounting kit for clean room
By using PC plastic materials and a multi-level sealing structure in cleanrooms, the wireless AP installation kit solves the problems of contamination and poor heat dissipation of traditional wireless APs, enabling wireless network deployment in cleanroom environments, reducing costs and improving maintenance convenience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- THE IT ELECTRONICS ELEVENTH DESIGN & RES INST SCI & TECHNOLOGICAL ENG
- Filing Date
- 2025-06-09
- Publication Date
- 2026-05-12
AI Technical Summary
In cleanrooms, the traditional installation method of wireless APs will pollute the environment and has poor heat dissipation, failing to meet the cleanliness requirements. At the same time, the construction is complicated and the maintenance is inconvenient.
A wireless AP installation kit is designed using PC plastic material, combined with a multi-level sealing structure and non-contact heat dissipation design. The wireless AP is fixed and heat dissipated through the connection between the base and the ceiling, ensuring that the cleanroom environment is not affected.
It achieves normal use and heat dissipation requirements of wireless APs in cleanrooms, while reducing costs, simplifying the construction process, and improving maintenance convenience, meeting the ISO 14644-1 Class 8 cleanroom standard and high reliability requirements.
Smart Images

Figure CN224233792U_ABST
Abstract
Description
Technical Field
[0001] This utility model is applicable to the field of wireless network technology in cleanrooms with cleanliness requirements such as Class 10,000 and Class 1,000. Specifically, it relates to an installation kit for a wireless access point (AP) in a cleanroom. Background Technology
[0002] A wireless access point (AP) is an access point for users with wireless devices (such as mobile devices like smartphones and wireless devices like laptops) to access a wired network. It is mainly used in broadband homes, inside buildings, inside industrial parks, and in places that require wireless networks, such as warehouses and factories.
[0003] In semiconductor cleanrooms, clean laboratories, and other similar settings, the use and coverage of wireless networks are essential functions in the face of the ever-changing new era of data networks. And the use of wireless networks is inseparable from wireless access points (APs).
[0004] In semiconductor cleanrooms, clean laboratories, and other similar settings, the use and coverage of wireless networks are essential functions in the face of the ever-changing new era of data networks. There are two main types of access points (APs) on the market: panel-mounted APs and ceiling-mounted APs. The installation and deployment of these APs in clean areas presents several problems: traditional panel-mounted APs protrude from the cleanroom surface, failing to meet the disinfection and sterilization requirements of cleanrooms, and they also have poor heat dissipation. Ceiling-mounted APs, on the other hand, have ventilation holes on their surface, which can contaminate the cleanroom environment. Utility Model Content
[0005] To overcome existing problems, this utility model provides an installation kit for a wireless access point (AP) in a cleanroom, which meets the daily use needs of the wireless AP without polluting the cleanroom environment, and is also low in cost and easy to install.
[0006] This application is implemented as follows: a wireless AP installation kit for a cleanroom is provided, characterized in that: the kit (1) uses the wireless AP mounting hole (6) on the base to install the wireless AP in the base (4) of the kit, and uses fixing screws to connect the cover (2), the middle sealing strip (5), the base (4) and the silicone sealing ring (10) through the mounting screw fixing hole (3), and then tightens the fixing nut in the technical interlayer to install the entire kit on the cleanroom ceiling to complete the installation.
[0007] According to the present application, a wireless access point (AP) installation kit for cleanrooms is characterized in that: the kit base has a connecting pipe (7) leading to the technical interlayer of the clean area, which is connected to the SC pipe or cable tray of the network system in the technical interlayer via threads (9), realizing the function of wired network connection to the wireless AP; a heat dissipation hole (8) is provided at the connecting pipe to dissipate the heat of the wireless AP during operation into the technical interlayer, realizing heat dissipation function without polluting the cleanroom environment. This kit enables the wireless AP to operate normally in the cleanroom, and is low in cost, simple to construct, and convenient to maintain.
[0008] According to the present application, an installation kit for a wireless access point (AP) in a cleanroom is characterized in that: the installation kit can meet the normal use of the wireless AP function without affecting the cleanroom environment, is easy to maintain, and meets the heat dissipation requirements of the wireless AP during operation.
[0009] According to the present application, a wireless access point (AP) mounting kit for cleanrooms is characterized by: a kit consisting of a cover and a base, installed on the exterior of the ceiling-mounted AP. The kit is entirely made of PC plastic, which has high transparency and hardness and is a common manufacturing material for many electronic devices. It has minimal impact on radio frequency signals, effectively penetrating signals and maintaining high-quality data transmission. It is frequently used in wireless routers, mobile phone cases, and the casings of electronic products. Using this material for the kit provides excellent protection for the wireless communication signals used in this invention.
[0010] This invention has the following advantages: it can meet the normal use of the wireless AP function without affecting the cleanroom environment, is easy to maintain, and meets the heat dissipation requirements of the wireless AP during operation. Specifically, it has the following advantages:
[0011] I. Cleanroom Adaptability Advantages: Multi-level sealing structure ensures cleanliness level. A double sealing system is formed by the intermediate sealing strip (5) between the cover (2) and the base (4) and the silicone sealing ring (10) on the contact surface between the base and the ceiling. Combined with the symmetrical fastening design of the fixing screw holes (3), airtight connection is achieved. According to actual measurement, the particle concentration (≥0.5μm) on the cleanroom side is ≤352000 particles / m³ under a pressure difference of 10Pa, which fully meets the ISO 14644-1 Class 8 cleanroom standard, avoiding external dust and aerosols from entering the clean area, and solving the cleanroom environment pollution problem caused by direct installation of traditional wireless APs. Non-contact heat dissipation design prevents contamination. The heat dissipation holes (8) on the connecting pipe (7) discharge the working heat of the wireless AP to the technical interlayer through natural convection. The heat conduction path is completely isolated from the cleanroom space, avoiding airflow disturbance or particle migration caused by heat dissipation, ensuring that the airflow organization of the cleanroom is not affected, and at the same time meeting the temperature control requirements for long-term operation of the equipment (the measured surface temperature rise of the clean area is ≤2℃).
[0012] II. Functional Realization and Reliability Improvement: High-Transmittance PC Material Ensures Signal Quality The main body of the kit is made of PC plastic with a transmittance of ≥89%, which reduces the attenuation of 2.4GHz / 5GHz wireless signals by ≤0.25dB, significantly better than the metal shell solution (attenuation of 3.2dB), ensuring wireless signal penetration and data transmission quality. The material hardness is ≥118HRM, which can withstand the mechanical impact during daily cleaning operations in the cleanroom, avoiding shell deformation that could affect sealing performance. Standardized Interface Enables Convenient Networking The M20×1.5 thread (9) of the base connecting pipe (7) directly matches the standard interface of the technical interlayer SC pipe / cable tray, without the need for additional adapters. The RJ45 network cable can access the wired network through the channel inside the pipe, supporting plug-and-play modular networking, meeting the reliability and standardization requirements of cleanroom network deployment.
[0013] III. Maintenance Convenience and Cost Advantages: Quick-release structure simplifies maintenance process. The cover (2) can be independently disassembled by 4 sets of fixing screws, allowing direct viewing of the wireless AP's working status indicator without damaging the overall sealing structure, reducing troubleshooting time by 70%. The entire kit can be disassembled by rotating the technical interlayer, with a single maintenance time of ≤10 minutes, meeting the GMP cleanroom rapid maintenance specifications and reducing downtime losses. Low-cost and lightweight design. The cost of PC plastic material is 60% lower than that of stainless steel solutions. The injection molding process reduces processing steps, and the weight of a single kit is ≤300g, requiring no additional load-bearing structure during installation. Standardized component design supports large-scale production. No professional tools are required during construction, and the installation time for a single set is ≤30 minutes, significantly reducing labor costs and project cycle. IV. Environmental Compatibility and Application Expansion: Stable operation in a wide temperature range. The PC material has a temperature resistance range of -40-120℃, and with optimized heat dissipation hole layout, the wireless AP can still maintain normal operation in a 50℃ high-temperature environment in the technical interlayer (internal temperature rise is controlled within 35℃), meeting the complex temperature and humidity environment requirements of cleanrooms in industries such as pharmaceuticals and electronics. The universally compatible base mounting hole (6) adopts a modular size, which is compatible with mainstream ceiling-mounted wireless AP models on the market (size error ±2mm). The length of the connecting pipe supports customized adjustment (50-200mm adjustable), which is suitable for cleanroom ceiling structures of different thicknesses, improving product adaptability and engineering flexibility.
[0014] In summary, this utility model, through material innovation, sealed structure design and functional integration, achieves reliable deployment of wireless APs in the special environment of cleanrooms. It has multiple advantages such as environmental friendliness, high signal quality, convenient maintenance and cost-effectiveness, providing an efficient solution for the construction of wireless networks in high-cleanliness scenarios. Attached Figure Description
[0015] Figure 1This is a schematic diagram of the components of the installation kit described in this utility model.
[0016] Figure 2 This is a schematic diagram illustrating the installation implementation of the installation kit described in this utility model.
[0017] The components include: mounting kit (1), cover (2), mounting screw fixing hole (3), base (4), middle sealing strip (5), wireless AP mounting hole (6), connecting pipe (7), heat dissipation hole (8), thread (9), and silicone sealing ring (10). Detailed Implementation
[0018] The following will be combined with the appendix Figures 1-2 This utility model will be described in detail, and the technical solutions in the embodiments of this utility model will be clearly and completely described. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.
[0019] This utility model provides an improved installation kit for a wireless access point (AP) in a cleanroom, such as... Figures 1-2 As shown, it can be implemented as follows: Using the wireless AP mounting holes 6 on the base of the kit 1, the wireless AP is installed in the base 4 of the kit. The cover 2, intermediate sealing strip 5, base 4, and silicone sealing ring 10 are connected using fixing screws through the mounting screw holes 3. Then, the fixing nuts in the technical interlayer are tightened, and the entire kit is installed in the cleanroom ceiling to complete the installation. The kit base has a connecting pipe 7 leading to the technical interlayer of the clean area. It is connected to the SC pipe or cable tray of the network system in the technical interlayer via threads 9, enabling wired network connection to the wireless AP. A heat dissipation hole 8 is provided at this connecting pipe to dissipate the heat generated by the wireless AP into the technical interlayer.
[0020] The specific implementation process of this application is described below;
[0021] I. Component Manufacturing and Assembly: The main body of the kit is manufactured using injection molding to produce the cover 2 and base 4. The raw material is PC plastic particles that meet the standards for electronic device housings, with a light transmittance ≥89% and Rockwell hardness ≥118HRM, ensuring that the attenuation of 2.4GHz / 5GHz wireless signals is ≤0.3dB. The base 4 has a pre-drilled mounting hole 6 in the center with a diameter matching the shape of the wireless AP. Four sets of evenly distributed M3 threaded blind holes are provided around the hole for fixing the wireless AP. A vertical injection-molded connecting tube 7 is formed in the center of the bottom surface. The tube has an outer diameter of φ20mm, and the inner wall is machined with M20×1.5 standard threads 9. Eight sets of φ3mm heat dissipation holes 8 are arranged in a ring array on the tube body. The sealing component is made of food-grade silicone rubber, with a rectangular ring with a width of 15mm and a thickness of 3mm. The inner ring has a groove that matches the edge of the base 4. The silicone sealing ring 10 is a φ25mm O-ring with a hardness of 60±5 Shore A, used for sealing the base and the ceiling mounting hole.
[0022] II. Wireless AP Pre-installation Process: **Equipment Fixation:** Align the wireless AP body with the mounting holes 6 on the base 4. Use an M2.5×8mm countersunk screw to screw into the pre-drilled threaded blind hole on the base from the bottom screw hole of the AP, ensuring the AP antenna is vertically upward and the gap between the bottom of the device and the mounting surface of the base is ≤0.5mm. **Cable Pre-treatment:** Thread the RJ45 network cable of the wireless AP through the connecting tube 7 on the base, leaving a 20cm margin. Tin the cable ends to prevent oxidation and ensure network connection stability.
[0023] III. Assembly Steps: The sealing layers are stacked in the following order: cover 2 - intermediate sealing strip 5 - base 4 - silicone sealing ring 10. The intermediate sealing strip completely covers the edge of the upper surface of the base, and the silicone sealing ring is embedded in the annular groove on the bottom surface of the base. The cover and base are secured with four sets of M4×12mm stainless steel screws symmetrically tightened at the fixing screw holes 3. For ceiling installation, the φ20mm mounting holes matching the base connecting pipe 7 are pre-set in the cleanroom ceiling's technical interlayer, with M20×1.5 stainless steel fixing nuts pre-embedded around the holes. Align the assembled kit with the mounting holes from the clean area side, and rotate the base to engage the connecting pipe thread 9 with the SC pipe or cable tray interface of the technical interlayer, ensuring a tight fit between the silicone sealing ring and the ceiling panel.
[0024] IV. Network and Heat Dissipation System Connection: Wired network access is located within the technical mezzanine. RJ45 network cables from SC conduits or cable trays are connected to the wireless AP's network port via the inside of connecting conduit 7. The connectors are secured with metal locking clips, and the outer layer is wrapped with fire-retardant insulating tape. Thread sealant is applied to the threaded interfaces of the connecting conduit to prevent dust from entering the clean area. The heat dissipation structure allows heat generated during wireless AP operation to be conducted through the base metal mounting plate to connecting conduit 7, and then dissipated to the technical mezzanine via natural convection through the heat dissipation holes 8 in the conduit wall.
[0025] V. Inspection and Maintenance Implementation: For routine inspections, the status of the wireless AP's indicator lights can be directly observed through the transparent PC viewing window on the cleanroom cover 2, allowing for equipment operation assessment without disassembling the kit. For troubleshooting, loosen the four sets of fixing screws on cover 2 and pull upwards to remove the cover, exposing the internal wireless AP and connecting cables. For complete replacement, rotate the base counter-clockwise in the technical compartment to disconnect the threaded connection, then remove the kit. A single maintenance session takes ≤10 minutes, meeting the rapid maintenance requirements of GMP cleanrooms.
[0026] VI. Materials and Performance Verification: Signal penetration testing at a transmission power of 30dBm showed that the signal attenuation after passing through the PC plastic kit was 0.25dB, a 92% improvement compared to the metal casing solution (3.2dB attenuation), ensuring that the wireless coverage meets design requirements. Sealing verification was performed at a pressure difference of 10Pa, using an aerosol leak detector to check the area around the kit. The cleanroom-side particle concentration (≥0.5μm) remained ≤352,000 particles / m³, meeting Class 8 cleanroom standards.
[0027] Through the above implementation process, reliable installation of wireless APs in cleanroom environments has been achieved. It has the technical advantages of low cost (material cost is reduced by 60% compared to stainless steel solutions), easy construction (installation time for a single set is ≤30 minutes), and high reliability (mean time between failures ≥50,000 hours), meeting the wireless network deployment needs of cleanrooms in industries such as pharmaceuticals and electronics.
[0028] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. An installation kit for a wireless access point (AP) in a cleanroom, characterized in that: The kit (1) uses the wireless AP mounting hole (6) on the base to install the wireless AP in the base (4) of the kit. The cover (2), the middle sealing strip (5), the base (4) and the silicone sealing ring (10) are connected by fixing screws through the mounting screw fixing hole (3). The entire kit is installed on the ceiling of the clean room by tightening the fixing nut in the technical interlayer.
2. The installation kit for a wireless access point (AP) in a cleanroom according to claim 1, characterized in that: The kit base has a connecting pipe (7) leading to the clean area technical interlayer, which is connected to the SC pipe or cable tray of the network system in the technical interlayer by a thread (9) to realize the function of wired network connection to wireless AP. A heat dissipation hole (8) is provided at the connecting pipe to dissipate the heat of the wireless AP during operation into the technical interlayer, thus realizing the heat dissipation function.
3. The installation kit for a wireless access point (AP) in a cleanroom according to claim 1, characterized in that: A kit is installed on the outside of the ceiling-mounted app. The kit consists of a cover and a base. The entire kit is made of PC plastic.