Novel fan air duct for single sterile room
By adopting rectangular limit blocks, cover mechanisms and reverse through-hole design in the fan duct of the sterile chamber, the problems of insufficient air intake and uneven air flow are solved, efficient air circulation and purification are achieved, energy consumption is reduced, and the air treatment effect of the sterile chamber is improved.
Patent Information
- Application Number
- CN202521068222.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-28
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2035-05-28
AI Technical Summary
The air inlet volume of the fan coils in the existing sterile chamber is limited, the air flow is uneven, the temperature control accuracy is poor, the energy consumption is large, and conventional air ducts cannot effectively increase the air flow rate to deal with impurities and bacteria.
A new type of fan air duct for a single sterile room is designed, using a rectangular limit block and a cover plate mechanism, combined with a cylindrical air duct and a reverse-set through port, forming an air circulation structure, ensuring stability and sealing through the air duct reinforcement ribs, and controlling the gas flow direction.
It improves air inlet volume and airflow uniformity, reduces energy consumption, improves air conditioning and purification efficiency, and meets the use needs of sterile rooms.
Smart Images

Figure CN223179005U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of air conditioning in a sterile room, in particular to a novel fan air duct for a single-person sterile room. Background Technique
[0002] Fan coil units are usually installed in rooms or floors of buildings. Their working principle is that through the drive of a small fan and a motor, air flows through a surface cooler, and the chilled water or hot water flowing through the copper tubes of the surface cooler exchanges heat with the air outside the tubes, thereby realizing the cooling, heating, dehumidification or purification of the air.
[0003] The current fan coil units adopt double-headed centrifugal fans. The double-headed centrifugal fan has two fan ports, namely an air return port and an air outlet. The fan body is installed outside the housing, and only the air outlet is connected to the housing air outlet. The air return port is in the air return box of the fan body. For this kind of fan coil unit structure, due to the limitation of the size of the air outlet of the fan, the air intake volume inside the fan coil unit housing is very limited, the air outlet volume is small, the air duct is restricted, the air flow is uneven, and it cannot be in full contact with the surface cooler (heat exchanger). On the one hand, this leads to a large energy consumption of the fan coil unit. On the other hand, it makes the temperature of the output air flow uneven and the temperature control accuracy poor, affecting the use effect of the fan coil unit and the use comfort is not good.
[0004] A sterile room is a specially demarcated area to prevent cross-infection of viruses. By providing a positive-pressure protection area, isolation is provided. Sterile rooms are generally used for patients such as those undergoing tumor chemotherapy, hematological chemotherapy, severe burns, stem cell transplantation, and organ transplantation, or patients with infectious diseases. Patients being in a relatively sterile environment with clean air is beneficial to the recovery of the condition or effectively protects the safety of nursing staff.
[0005] In order to ensure sterile operation in the sterile room, it is necessary to fully process the gas therein. A duct structure of a fan coil unit with the publication number of CN222480635U includes a duct housing. The duct housing is provided with an air return port and an air outlet. A drum-type centrifugal fan is arranged inside the duct housing. The air return port is arranged at the bottom of the duct housing and below the drum-type centrifugal fan. The drum-type centrifugal fan is used to suck the air at the air return port into the duct housing. A wind guide plate for guiding the wind direction of the air sucked by the drum-type centrifugal fan is arranged inside the duct housing. The air outlet is arranged on the side surface of the duct housing opposite to the drum-type centrifugal fan. The utility model adopts a drum-type centrifugal fan to replace the double-headed centrifugal fan, eliminating the technical limitation that the air intake volume is limited by the size of the fan air outlet, not only increasing the air intake volume, but also ensuring the full and uniform contact of the air flow with the surface cooler, effectively reducing the energy consumption of the fan coil unit, improving the use effect of the fan coil unit, and improving the use comfort.
[0006] In the above technical solution, the air intake can be increased and the energy consumption can be reduced. However, in the actual operation of the aseptic room, it is necessary to quickly increase the air flow velocity in order to efficiently process impurities and bacteria in the air. Conventional air ducts cannot effectively increase the velocity, so improvement is needed. Summary of the Invention
[0007] The purpose of the present utility model is to solve the deficiencies existing in the prior art, and a new type of fan air duct for a single-person aseptic room is proposed.
[0008] In order to achieve the above purpose, the present utility model adopts the following technical solutions:
[0009] A new type of fan air duct for a single-person aseptic room includes a main box body. Four limiting blocks are detachably connected to one end side wall inside the main box body. The four limiting blocks are arranged in a rectangle, and a cover plate mechanism is installed on the limiting blocks.
[0010] A fan base is detachably connected to the middle of one end side wall inside the main box body. An air duct assembly is installed inside the main box body. The air duct assembly is located within the limiting blocks, and an air duct reinforcing rib is installed on the side of the air duct assembly away from the fan base.
[0011] The air duct assembly includes a cylindrical air duct, a circular opening, and two through openings. The circular opening is opened on one side of the cylindrical air duct, and the through openings are opened at the upper and lower ends of the cylindrical air duct.
[0012] Compared with the prior art, the present application can control the air flow direction by setting two through openings. And in actual setting, the two through openings are arranged in the opposite direction to quickly form a rotating circulation structure of air inside the main box body door, so that the corresponding aseptic treatment equipment can adjust and purify the air, improving the efficiency and quality of air conditioning treatment.
[0013] Preferably, the side of the cylindrical air duct where the circular opening is provided abuts against one end side wall inside the main box body. The fan base penetrates through the circular opening and extends into the cylindrical air duct. The fan base is located between the two through openings.
[0014] Furthermore, it is convenient for the air duct assembly to be quickly installed inside the main box body, and at the same time, the gas flow situation can be effectively controlled.
[0015] Preferably, the cross-section of the fan base is in a V shape. Both sides of the V-shaped opening end inside the fan base are bent horizontally, and both sides of the V-shaped opening end inside the fan base abut against the air duct assembly.
[0016] Furthermore, the installation stability of the air duct assembly can be effectively ensured through the air duct reinforcing rib.
[0017] Preferably, the two through openings are respectively located at the top and bottom inside the main box body.
[0018] Furthermore, the two through openings are arranged in opposite directions, which can control the flow direction of the gas. For example, when the upper through opening discharges gas, the gas at the position opposite to the opening of the upper through opening will flow towards the through opening, effectively realizing the circulation of the gas inside the main box body.
[0019] Preferably, the installation cover plate mechanism includes a left cover plate of the main box body, a lower cover plate of the main box body, a right cover plate of the main box body, and an upper cover plate of the main box body installed on the limit block. The left cover plate of the main box body, the lower cover plate of the main box body, the right cover plate of the main box body, and the upper cover plate of the main box body are arranged in a rectangle. The lower cover plate of the main box body is located at the lower ends of the left cover plate of the main box body and the right cover plate of the main box body. The upper cover plate of the main box body is located at the upper ends of the left cover plate of the main box body and the right cover plate of the main box body. The air duct assembly is located between the left cover plate of the main box body, the lower cover plate of the main box body, the right cover plate of the main box body, and the upper cover plate of the main box body.
[0020] Furthermore, the installation inside the left cover plate of the main box body, the lower cover plate of the main box body, the right cover plate of the main box body, and the upper cover plate of the main box body can be fully completed.
[0021] Preferably, the left cover plate of the main box body and the right cover plate of the main box body are respectively detachably connected to both sides of the upper end of the lower cover plate of the main box body. The left cover plate of the main box body and the right cover plate of the main box body are respectively detachably connected to both sides of the lower end of the upper cover plate of the main box body.
[0022] Furthermore, it ensures the firmness of the component connection and can select the corresponding installation method according to needs.
[0023] The beneficial effects of the present utility model are as follows:
[0024] 1. When installing the air duct assembly, the left cover plate of the main box body, the lower cover plate of the main box body, the right cover plate of the main box body, and the upper cover plate of the main box body, it is necessary to control and consider the sealing performance during installation to avoid leakage, ensure that the gas can only flow through the through openings, ensure the air conditioning effect, improve the air quality, and meet the usage requirements of the sterile room;
[0025] 2. The two through openings are arranged in opposite directions, which can control the flow direction of the gas. For example, when the upper through opening discharges gas, the gas at the position opposite to the opening of the upper through opening will flow towards the through opening, effectively realizing the circulation of the gas inside the main box body. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 is a structural diagram of a new type of fan air duct for a single-person sterile room proposed by the present utility model;
[0027] Figure 2 is a front view of a new type of fan air duct for a single-person sterile room proposed by the present utility model;
[0028] Figure 3 Structural diagram of the duct assembly in the new type of fan duct for a single-person sterile room proposed by the present utility model;
[0029] Figure 4 Structural diagram of the duct reinforcing rib in the new type of fan duct for a single-person sterile room proposed by the present utility model;
[0030] In the figure: 1 main box body, 2 duct assembly, 21 cylindrical duct, 22 circular opening, 23 through opening, 3 duct reinforcing rib, 4 left cover plate of the main box body, 5 right cover plate of the main box body, 6 lower cover plate of the main box body, 7 upper cover plate of the main box body, 8 fan base, 9 limit block. Specific implementation manner
[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.
[0032] Refer to Figures 1-4 , a new type of fan duct for a single-person sterile room includes a main box body 1. Four limit blocks 9 are detachably connected to one end side wall inside the main box body 1. During actual operation, the staff selects the corresponding installation method according to the actual situation, such as bolt connection, snap connection, etc., to ensure the firm connection between the limit block 9 and the main box body 1. The four limit blocks 9 are arranged in a rectangle, and a cover plate mechanism is installed on the limit block 9; to effectively complete the firm installation of the left cover plate 4 of the main box body, the lower cover plate 6 of the main box body, the right cover plate 5 of the main box body, and the upper cover plate 7 of the main box body.
[0033] Refer to Figures 1-4 , the cover plate installation mechanism includes the left cover plate 4 of the main box body, the lower cover plate 6 of the main box body, the right cover plate 5 of the main box body, and the upper cover plate 7 of the main box body installed on the limit block 9. The left cover plate 4 of the main box body, the lower cover plate 6 of the main box body, the right cover plate 5 of the main box body, and the upper cover plate 7 of the main box body are arranged in a rectangle. The lower cover plate 6 of the main box body is located at the lower ends of the left cover plate 4 of the main box body and the right cover plate 5 of the main box body. The upper cover plate 7 of the main box body is located at the upper ends of the left cover plate 4 of the main box body and the right cover plate 5 of the main box body. The duct assembly 2 is located between the left cover plate 4 of the main box body, the lower cover plate 6 of the main box body, the right cover plate 5 of the main box body, and the upper cover plate 7 of the main box body; it can fully complete the installation inside the left cover plate 4 of the main box body, the lower cover plate 6 of the main box body, the right cover plate 5 of the main box body, and the upper cover plate 7 of the main box body. At the same time, during installation, it is necessary to ensure the sealing between the left cover plate 4 of the main box body, the lower cover plate 6 of the main box body, the right cover plate 5 of the main box body, and the upper cover plate 7 of the main box body and the main box body 1 to avoid leakage, and ensure that the gas can only flow in the space between the left cover plate 4 of the main box body, the lower cover plate 6 of the main box body, the right cover plate 5 of the main box body, the upper cover plate 7 of the main box body and the main box body 1, so as to effectively process the air and improve the air quality.
[0034] Refer to Figures 1-2 , the left cover plate 4 of the main box body and the right cover plate 5 of the main box body are respectively detachably connected to both sides of the upper end of the lower cover plate 6 of the main box body, and the left cover plate 4 of the main box body and the right cover plate 5 of the main box body are respectively detachably connected to both sides of the lower end of the upper cover plate 7 of the main box body to ensure the firmness of the connection.
[0035] Refer to Figures 1-2 , a fan base 8 is detachably connected to the middle of one end side wall inside the main box body 1, an air duct assembly 2 is installed inside the main box body 1, the air duct assembly 2 is located inside the limit block 9, and an air duct reinforcing rib 3 is installed on the side of the air duct assembly 2 away from the fan base 8; the air duct assembly 2 includes a cylindrical air duct 21, a circular opening 22 and two through openings 23, the circular opening 22 is opened on one side of the cylindrical air duct 21, and the through openings 23 are opened at the upper and lower ends of the cylindrical air duct 21; by setting two through openings 23 to control the air flow direction, and in actual setting, the two through openings 23 are arranged in the reverse direction to quickly form a rotating circulation structure of air inside the door of the main box body 1, so that the corresponding aseptic treatment equipment can adjust and purify the air, improving the efficiency and quality of air conditioning treatment.
[0036] Refer to Figures 1-3 , the side of the cylindrical air duct 21 where the circular opening 22 is provided abuts against one end side wall inside the main box body 1, the fan base 8 passes through the circular opening 22 and extends into the cylindrical air duct 21, and the fan base 8 is located between the two through openings 23; the two through openings 23 are respectively located at the top and bottom inside the main box body 1; it is convenient for the air duct assembly 2 to be quickly installed inside the main box body 1, and at the same time, the gas flow situation can be effectively controlled; the two through openings 23 are arranged in the reverse direction to control the gas flow direction. For example, when the upper through opening 23 discharges gas, the gas at the reverse position of the opening of the upper through opening 23 will flow towards the direction of the through opening 23, so as to effectively realize the circulation of gas inside the main box body 1.
[0037] Refer to Figure 1 , 4 , the cross-section of the fan base 8 is arranged in a V shape, both sides of the V-shaped opening end inside the fan base 8 are bent horizontally, and both sides of the V-shaped opening end inside the fan base 8 abut against the air duct assembly 2; the stability of the installation of the air duct assembly 2 can be effectively ensured through the air duct reinforcing rib 3.
[0038] In the present utility model, the installation and fixation of the left cover plate 4, the lower cover plate 6, the right cover plate 5 and the upper cover plate 7 of the main box body can be fully completed through the limiting block 9, and the sealing effect is ensured, so that the gas can flow in the main box body 1, facilitating the treatment of air. At the same time, the stability of the installation of the air duct assembly 2 can be ensured through the air duct reinforcing rib 3. Moreover, the two through openings 23 in the air duct assembly 2 are located at the upper and lower ends in the main box body 1 and are arranged in the opposite direction, which can control the flow direction of the gas. For example, when the upper through opening 23 discharges gas, the gas at the position opposite to the opening direction of the upper through opening 23 will flow towards the direction of the through opening 23, so as to effectively realize the circulation of the gas in the main box body 1, facilitating the connection and use with supporting equipment, facilitating the adjustment of air, improving the quality of air, and meeting the usage requirements of the sterile room.
[0039] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, making equivalent replacements or changes, should be covered within the protection scope of the present utility model.
Claims
1. A new type of fan air duct for a single-person sterile room, including a main box body (1), characterized in that: Four limiting blocks (9) are detachably connected to one end side wall inside the main box body (1). The four limiting blocks (9) are arranged in a rectangle, and a cover plate mechanism is installed on the limiting blocks (9). A fan base (8) is detachably connected to the middle of one end side wall inside the main box body (1). An air duct assembly (2) is installed inside the main box body (1). The air duct assembly (2) is located inside the limiting blocks (9), and an air duct reinforcing rib (3) is installed on one side of the air duct assembly (2) far away from the fan base (8). The air duct assembly (2) includes a cylindrical air duct (21), a circular opening (22), and two through openings (23). The circular opening (22) is opened on one side of the cylindrical air duct (21), and the through openings (23) are opened at the upper and lower ends of the cylindrical air duct (21).
2. The novel air duct of a single-person sterile room according to claim 1, characterized in that: One side of the cylindrical air duct (21) where the circular opening (22) is provided abuts against one end side wall inside the main box body (1). The fan base (8) passes through the circular opening (22) and extends into the cylindrical air duct (21). The fan base (8) is located between the two through openings (23).
3. The novel air duct of a single-person aseptic chamber according to claim 1, wherein: The section of the fan base (8) is arranged in a V shape. Both sides of the V-shaped opening end inside the fan base (8) are bent horizontally, and both sides of the V-shaped opening end inside the fan base (8) abut against the air duct assembly (2).
4. The novel air duct of a single-person sterile room according to claim 2, wherein: The two through openings (23) are respectively located at the top and bottom inside the main box body (1).
5. The novel air duct of a single-person aseptic chamber according to claim 1, characterized in that: The installation cover plate mechanism includes a left cover plate (4) of the main box body, a lower cover plate (6) of the main box body, a right cover plate (5) of the main box body, and an upper cover plate (7) of the main box body installed on the limiting blocks (9). The left cover plate (4) of the main box body, the lower cover plate (6) of the main box body, the right cover plate (5) of the main box body, and the upper cover plate (7) of the main box body are arranged in a rectangle. The lower cover plate (6) of the main box body is located at the lower ends of the left cover plate (4) of the main box body and the right cover plate (5) of the main box body. The upper cover plate (7) of the main box body is located at the upper ends of the left cover plate (4) of the main box body and the right cover plate (5) of the main box body. The air duct assembly (2) is located between the left cover plate (4) of the main box body, the lower cover plate (6) of the main box body, the right cover plate (5) of the main box body, and the upper cover plate (7) of the main box body.
6. The novel air duct of a single-person sterile chamber according to claim 5, wherein: The left cover plate (4) of the main box body and the right cover plate (5) of the main box body are respectively detachably connected to both sides of the upper end of the lower cover plate (6) of the main box body. The left cover plate (4) of the main box body and the right cover plate (5) of the main box body are respectively detachably connected to both sides of the lower end of the upper cover plate (7) of the main box body.
Citation Information
Patent Citations
Air duct structure of fan coil
CN222480635U