Leakage-proof air supply ceiling

Abstract

The utility model discloses a leakproof type air supply ceiling, which relates to the technical field of air supply devices and comprises a ceiling box body and a filter plenum chamber, the ceiling box body is connected with the filter plenum chamber through an air supply pipeline, and air inlet flanges are symmetrically mounted on the front side and the rear side of the ceiling box body. An air inlet and an air outlet are formed in the left side and the right side of the filter plenum chamber respectively, a combined efficient filter is arranged in the filter plenum chamber and arranged on the side, close to the air outlet, of the filter plenum chamber, and access doors are arranged on the front side and the rear side of the filter plenum chamber respectively. The air inlet end of the air supply pipeline is connected with the air outlet, and the air outlet end of the air supply pipeline is connected with the air inlet flange. The conventional mode that a traditional efficient filter is arranged at the air supply tail end is broken through, and the access door is arranged on one side of the static pressure box of the filter, so that the filter can be maintained without being arranged in an operating room, and the environment in the operating room cannot be polluted.

Description

Technical Field

[0001] This utility model relates to the field of air supply device technology, specifically a leak-proof air supply ceiling. Background Technology

[0002] Air supply ceilings are a common purification device in modern hospital operating rooms. Utilizing air purification technology, they control the air cleanliness of the space to meet the requirements of various surgeries and provide suitable temperature and humidity. They are widely used in clean operating rooms and clean wards. Air supply ceilings in clean operating rooms provide laminar flow to the operating table and surrounding area, ensuring the surgical area is completely controlled in a clean atmosphere and minimizing the risk of infection from airborne bacteria during surgery. Air conditioning air is pressurized by the air handling unit and then reaches the filter housing. After passing through the filter, it enters the operating room air supply ceiling, where it is further filtered by a high-efficiency filter before entering the operating room. However, in existing operating room air supply ceilings, the filters are generally installed inside the air supply ceiling housing, requiring maintenance to be performed inside the operating room. This disrupts normal operation and increases the possibility of contamination.

[0003] Based on this, we now offer a leak-proof air supply ceiling that can eliminate the drawbacks of existing technical solutions. Utility Model Content

[0004] The purpose of this invention is to provide a leak-proof air supply ceiling to solve the problem that the high-efficiency filters in air supply ceilings are inconvenient to maintain in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A leak-proof air supply ceiling includes a ceiling housing and a filter static pressure box, which are connected by an air supply duct. The ceiling housing is located at the low-pressure end of the air supply duct, and the filter static pressure box is located at the high-pressure end of the air supply duct.

[0007] The ceiling-mounted housing has symmetrically installed air inlet flanges on its front and rear sides. The filter static pressure box has an air inlet and an air outlet on its left and right sides, respectively. The filter static pressure box contains a combined high-efficiency filter, which is fixedly installed inside the filter static pressure box by a bracket. The combined high-efficiency filter is located on the side of the filter static pressure box near the air outlet. The filter static pressure box has inspection doors on both its front and rear sides, which are fixedly installed on the filter static pressure box by several hand-tightening screws. The air inlet end of the air supply duct is connected to the air outlet, and the air outlet end of the air supply duct is connected to the air inlet flange.

[0008] Preferably, the ceiling enclosure includes a frame plate, which is a rectangular structure with an open bottom. An airflow compensation component for guiding uniform airflow distribution is provided at the bottom of the frame plate. The airflow compensation component is connected to the frame plate via a mesh mounting frame, which is detachably mounted on the frame plate via spring clips. A DPP flow equalization mesh is installed inside the mesh mounting frame, and a top cover plate is provided above the DPP flow equalization mesh. The top cover plate is located on top of the frame plate. A leak-proof filter is provided inside the frame plate, located above the DPP flow equalization mesh. Several adjusting rods for adjusting the overall flatness are provided between the top frame plate and the DPP flow equalization mesh.

[0009] Preferably, the airflow compensation component includes an air distribution plate and a shadowless lamp mounting hole. The shadowless lamp mounting hole is located in the middle of the air distribution plate, and the surface of the air distribution plate is provided with a plurality of ventilation holes, which are evenly distributed on the outside of the shadowless lamp mounting hole.

[0010] Preferably, the top of the filter static pressure box is symmetrically provided with filter static pressure box lifting rings for ceiling installation, and the top of the frame plate is evenly distributed with a number of ceiling hanging brackets for ceiling installation.

[0011] Preferably, the DPP flow equalization nets all adopt a double-layer structure, the size of the DPP flow equalization nets is adapted to the inner wall of the mesh mounting frame, and the edge of the mesh mounting frame extends to the outer side of the frame plate.

[0012] Preferably, the leak-proof filter includes a filter frame and a leak-proof filter body. The side walls of the filter frame are provided with mounting grooves that are adapted to the leak-proof filter body. The interior of each mounting groove is provided with an elastic element, which is located at the lower end of the leak-proof filter body.

[0013] Preferably, the surface of the mesh mounting frame is connected with a plurality of positioning blocks, the bottom of the filter frame is provided with a slot that mates with the positioning blocks, and a sealing strip is provided between the filter frame and the mesh mounting frame.

[0014] Preferably, the adjusting rod includes several connecting blocks fixedly installed on the lower surface of the top plate of the frame plate. A hook rod is suspended below the connecting blocks. A loop block is threaded at the lower end of the hook rod. A circular ring rod is provided below the hook rod. The top of the circular ring rod is threaded to the loop block.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] This invention breaks through the conventional model where high-efficiency filters in traditional ceiling-mounted air supply systems must be placed at the end of the air supply. A quick-release maintenance door is provided on one side of the filter's static pressure box, allowing maintenance of the high-efficiency filter without being inside the operating room. Furthermore, replacing the high-efficiency filter does not contaminate the operating room environment, improving work efficiency. It is suitable for locations with extremely high air quality requirements. Equipped with a DPP flow equalization mesh, its flatness can be adjusted by adjusting the pull rod. The interaction between the spring clips and the mesh mounting frame enables quick disassembly, maintenance, cleaning, and repair, ensuring that clean airflow enters the work area evenly, effectively avoiding airflow turbulence and ensuring air quality in the surgical area. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure.

[0018] Figure 2 This is a structural schematic diagram of the ceiling box.

[0019] Figure 3 This is a schematic diagram of the internal structure of the ceiling box.

[0020] Figure 4 This is a sectional view of the ceiling box.

[0021] Figure 5 for Figure 4 Enlarged view of point A in the middle.

[0022] Figure 6 This is a three-dimensional structural diagram of the filter static pressure box.

[0023] Figure 7 This is a schematic diagram of the internal structure of the filter static pressure chamber.

[0024] Figure 8 for Figure 7 A sectional view.

[0025] Figure 9 This is a side view of the filter static pressure chamber.

[0026] Figure 10 This is a schematic diagram of the adjusting rod.

[0027] Figure 11 This is a schematic diagram of the structure of a leak-proof filter.

[0028] Figure 12 for Figure 11 Enlarged view of point B in the middle.

[0029] Figure label annotations: 1. Ceiling box; 2. Filter static pressure box; 3. Air supply duct; 4. Air inlet flange; 5. Air outlet; 6. Combined high-efficiency filter; 7. Inspection door; 8. Frame plate; 9. Mesh mounting frame; 10. DPP flow equalization mesh; 11. Top cover plate; 12. Leak-proof layer filter; 13. Adjustable rod; 14. Air distribution plate; 15. Shadowless lamp mounting hole; 16. Filter static pressure box lifting ring; 17. Ceiling hanging bracket; 18. Filter frame; 131. Leak-proof layer filter body; 132. Mounting groove; 133. Elastic element; 134. Connecting block; 141. Hook tie rod; 142. U-shaped block; 143. Circular tie rod; 144. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0031] Example 1

[0032] In this embodiment, as Figures 1-9 As shown in the figure, the arrows indicate the direction of airflow. The leak-proof air supply ceiling includes a ceiling housing 1 and a filter static pressure box 2. The ceiling housing 1 is installed inside the operating room, and the filter static pressure box 2 is installed outside the operating room, facilitating maintenance of the internal structure of the filter static pressure box 2 through the inspection door 8. The ceiling housing 1 and the filter static pressure box 2 are connected by an air supply duct 3. The ceiling housing 1 is located at the low-pressure end of the air supply duct 3, and the filter static pressure box 2 is located at the high-pressure end of the air supply duct 3. The high-pressure end is the air inlet end of the airflow, ensuring the overall sealing of the device and preventing gas leakage.

[0033] Air inlet flanges 4 are symmetrically installed on the front and rear sides of the ceiling housing 1. Air inlets 5 and outlets 6 are respectively located on the left and right sides of the filter static pressure box 2. A combined high-efficiency filter 7 is installed inside the filter static pressure box 2, fixedly mounted inside by a bracket. The combined high-efficiency filter 7 is located on the side of the filter static pressure box 2 closest to the outlet 6. Inspection doors 8 are provided on both the front and rear sides of the filter static pressure box 2, fixed to the filter static pressure box 2 by several hand-tightened screws. The inspection doors 8 on both sides of the filter static pressure box 2 can be quickly removed, allowing the filter static pressure box 2 to be installed outside the operating room. Maintenance can be performed without entering the operating room, facilitating the installation and maintenance of the combined high-efficiency filter 7. This ensures that the operating room environment is not contaminated when replacing the combined high-efficiency filter 7, while improving work efficiency. It breaks through the conventional mode that the combined filter 7 must be placed at the air outlet of the air supply duct 3. The air inlet of the air supply duct 3 is connected to the air outlet 6, and the air outlet of the air supply duct 3 is connected to the air inlet flange 4. This increases the number of air inlet flanges 4 and rationally plans the air supply route of the air supply duct 3, guiding the airflow direction so that the unidirectional airflow can cover more areas inside the ceiling box 1, facilitating the flow through the entire space and enabling a more uniform distribution of airflow.

[0034] Among them, such as Figures 1-5As shown, the ceiling enclosure 1 includes a frame plate 9, which is a rectangular structure with an open bottom. The bottom of the frame plate 9 is equipped with an airflow compensation component for guiding airflow evenly. The airflow compensation component is connected to the frame plate 9 via a mesh mounting frame 10, facilitating individual disassembly and replacement of the airflow compensation component or the mesh mounting frame 10 during later maintenance. The mesh mounting frame 10 is detachably mounted on the frame plate 9 using spring clips. The surface of the frame plate 9 has several slots, and the spring clips are all installed inside these slots. The spring clips can be designed as torsion springs, utilizing the elasticity and torque characteristics of the torsion springs to reliably fix the mesh mounting frame 10. When installing the mesh mounting frame 10, simply align it with the slot on the frame plate 9 and gently press; the torsion spring will automatically engage with the slot, locking the mesh mounting frame 10 in place. When disassembly is required, gently move the torsion spring to remove the mesh mounting frame 10. The inner... The unit is equipped with a DPP flow equalization net 11. The specific material and dimensions of the DPP flow equalization net 11 can be adjusted according to the actual environment. A top cover plate 12 is installed above the DPP flow equalization net 11, which is located on top of the frame plate 9. A leak-proof filter 13 is installed inside the frame plate 9, located above the DPP flow equalization net 11. This filter can further intercept small particles and other pollutants in the air, ensuring that the downward-flowing air reaches an extremely high cleanliness standard and improving filtration efficiency. Several adjusting rods 14 are installed between the top frame plate 9 and the DPP flow equalization net 11 to adjust the overall flatness. Operators can precisely adjust the flatness of the DPP flow equalization net 11 by rotating and adjusting the overall length of the adjusting rods 14 as needed, ensuring that the DPP flow equalization net 11 is always in an ideal flat state during long-term use, thereby ensuring the overall stability of this leak-proof air supply ceiling.

[0035] Among them, such as Figures 1-3 As shown, the airflow compensation component includes an air distribution plate 15 and a shadowless lamp mounting hole 16. The shadowless lamp mounting hole 16 is located in the middle of the air distribution plate 15. The surface of the air distribution plate 15 is provided with several ventilation holes, which are evenly distributed outside the shadowless lamp mounting hole 16. Since the shadowless lamp is a key lighting device in the surgical process, it is necessary to ensure that it is installed firmly and does not affect the airflow distribution. The air distribution plate 15 has several ventilation holes distributed on its surface. The ventilation holes are evenly arranged in a circle with the shadowless lamp mounting hole 16 as the center, which can ensure sufficient ventilation and evenly disperse the airflow, effectively avoiding local airflow turbulence in the surgical area and reducing the risk of surgical wound infection.

[0036] Among them, such as Figures 2-9As shown, the top of the filter static pressure box 2 is symmetrically equipped with filter static pressure box lifting rings 17 for ceiling installation, which serve as load-bearing devices to ensure that the filter static pressure box 2 can maintain balance during installation and operation, and will not tilt, shake or other unstable situations. The top of the frame plate 9 is evenly distributed with several ceiling hanging brackets 18 for ceiling installation. They are reasonably arranged according to the size, shape and weight of the frame plate 9, and can be connected to the frame plate 9 by welding, bolting or other methods, so as to facilitate the connection and fixation of the frame plate 9 to the load-bearing structure of the operating room building.

[0037] Among them, such as Figures 1-5 As shown, the DPP air distribution net 11 adopts a double-layer structure, which can further refine and distribute the airflow, ensuring that the airflow delivered downward from the ceiling box is more stable and uniform, creating an ideal airflow environment for the operating room. The size of the DPP air distribution net 11 is adapted to the inner wall of the mesh mounting frame 10, and the edge of the mesh mounting frame 10 extends to the outside of the frame plate 9. The extended part can cover the opening size required for the installation of the ceiling box 1, making the overall appearance more beautiful and neat.

[0038] Example 2

[0039] The difference from Example 1 is that, as in Example 1, Figures 11-12 As shown, the leak-proof filter 13 includes a filter frame 131 and a leak-proof filter body 132. The side walls of the filter frame 131 are provided with mounting grooves 133 that fit the leak-proof filter body 132. Elastic elements 134 are fitted inside each mounting groove 133. The elastic elements 134 can be made of materials with good elasticity and resilience, such as rubber, spring sheets, or disc springs. The elastic elements 134 are located at the lower end of the leak-proof filter body 132. When the leak-proof filter body 132 is installed in the mounting groove 133 of the filter frame 131, the elastic elements 134 will be subjected to a certain degree of... The compression generates an upward elastic force, which allows the leak-proof filter body 132 and the filter frame 131 to fit tightly together, effectively filling any tiny gaps that may exist between them. This prevents unfiltered air from leaking out of these gaps, greatly improving the leak-proof performance of the filter. When airflow passes through, the elastic element 134 is deformed by pressure, automatically adjusting the clamping force on the leak-proof filter body 132 to match the airflow pressure. Furthermore, when the leak-proof filter body 132 needs to be disassembled and replaced, the elastic characteristics of the elastic element 134 make the disassembly process more convenient and quick, reducing maintenance time.

[0040] Among them, such as Figure 11 and Figure 12As shown, several positioning blocks are connected to the surface of the mesh mounting frame 10. The bottom of the filter frame 131 is provided with slots that cooperate with the positioning blocks, which facilitates detachable installation and ensures that the position of the filter frame 131 will not shift after installation, thus ensuring the stability of the entire structure. A sealing strip is provided between the filter frame 131 and the mesh mounting frame 10. The sealing strip is made of a material with good elasticity, aging resistance and corrosion resistance, such as silicone rubber, which can fit tightly in the gap between the two. When airflow passes through, the sealing strip is compressed to a certain extent, thereby effectively preventing unfiltered air from leaking from the gap, effectively improving the filtration effect and cleanliness.

[0041] Among them, such as Figure 10 As shown, the adjusting rod 14 includes several connecting blocks 141 fixedly installed on the lower surface of the top plate of the frame plate 9. A hook rod 142 is suspended below the connecting blocks 141. A loop block 143 is threaded at the lower end of the hook rod 142. A circular ring rod 144 is provided below the hook rod 142. The top of the circular ring rod 144 is threadedly connected to the loop block 143. Locking nuts can be provided at the threaded connections of the above components to prevent loosening under vibration. By manually adjusting the relative positions of the hook rod 142, the circular ring rod 144 and the loop block 143, the overall length of the adjusting rod 14 can be adjusted, so that it can adapt to different working scenarios and installation requirements, enhancing its versatility and adaptability.

[0042] In use, external air passes through the combined high-efficiency filter 7 in the static pressure box 2. The pre-filtered airflow enters the ceiling housing 1 through the air supply duct 3 and is filtered again by the leak-proof layer filter 13. After the clean airflow reaches the area between the leak-proof layer filter 13 and the DPP flow equalization net 11, due to the inherent characteristics of the DPP flow equalization net 11, the airflow can enter the operating room working area evenly through the DPP flow equalization net 11. This breaks through the conventional mode that high-efficiency filters must be placed at the end of the air supply, fundamentally changing the nature of the end sealing and leak-proofing. It transforms the partial gas pollution leakage that may exist in traditional technology into an overall leak-proof situation, playing a role in blocking leakage, expanding the piston flow coverage ratio of the unidirectional flow clean space, and improving the quality of the air supply airflow.

[0043] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that cannot be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A leak-proof air supply ceiling, comprising a ceiling housing (1) and a filter static pressure box (2), wherein the ceiling housing (1) and the filter static pressure box (2) are connected by an air supply duct (3), wherein the ceiling housing (1) is located at the low-pressure end of the air supply duct (3), and the filter static pressure box (2) is located at the high-pressure end of the air supply duct (3); Its features are, The ceiling box (1) is symmetrically equipped with air inlet flanges (4) on the front and rear sides. The filter static pressure box (2) is provided with air inlet (5) and air outlet (6) on the left and right sides respectively. The filter static pressure box (2) is equipped with a combined high-efficiency filter (7). The combined high-efficiency filter (7) is fixedly installed inside the filter static pressure box (2) by a bracket. The combined high-efficiency filter (7) is located on the side of the filter static pressure box (2) near the air outlet (6). The filter static pressure box (2) is provided with inspection doors (8) on both the front and rear sides. The inspection doors (8) are fixedly installed on the filter static pressure box (2) by several hand-tightened screws. The air inlet end of the air supply pipe (3) is connected to the air outlet (6), and the air outlet end of the air supply pipe (3) is connected to the air inlet flange (4).

2. The leak-proof air supply ceiling according to claim 1, characterized in that, The ceiling box (1) includes a frame plate (9), which is a rectangular structure with an open bottom. The bottom of the frame plate (9) is provided with an airflow compensation component for guiding the airflow to be evenly distributed. The airflow compensation component is connected to the frame plate (9) through a mesh mounting frame (10). The mesh mounting frame (10) is detachably mounted on the frame plate (9) by a spring clip. A DPP flow equalization mesh (11) is installed inside the mesh mounting frame (10). A top cover plate (12) is provided above the DPP flow equalization mesh (11). The top cover plate (12) is located on the top of the frame plate (9). A leak-proof layer filter (13) is provided inside the frame plate (9). The leak-proof layer filter (13) is located above the DPP flow equalization mesh (11). Several adjusting rods (14) for adjusting the overall flatness are provided between the top frame plate (9) and the DPP flow equalization mesh (11).

3. The leak-proof air supply ceiling according to claim 2, characterized in that, The airflow compensation component includes an air distribution plate (15) and a shadowless lamp mounting hole (16). The shadowless lamp mounting hole (16) is located in the middle of the air distribution plate (15). The surface of the air distribution plate (15) is provided with a plurality of ventilation holes, which are evenly arranged on the outside of the shadowless lamp mounting hole (16).

4. The leak-proof air supply ceiling according to claim 3, characterized in that, The top of the filter static pressure box (2) is symmetrically provided with filter static pressure box lifting rings (17) for ceiling installation, and the top of the frame plate (9) is evenly distributed with several ceiling hanging brackets (18) for ceiling installation.

5. The leak-proof air supply ceiling according to claim 2, characterized in that, The DPP flow equalization net (11) adopts a double-layer structure. The size of the DPP flow equalization net (11) is adapted to the inner wall of the mesh mounting frame (10), and the edge of the mesh mounting frame (10) extends to the outside of the frame plate (9).

6. The leak-proof air supply ceiling according to claim 2, characterized in that, The leak-proof filter (13) includes a filter frame (131) and a leak-proof filter body (132). The side walls of the filter frame (131) are provided with mounting grooves (133) that are adapted to the leak-proof filter body (132). The interior of each mounting groove (133) is provided with an elastic element (134). The elastic element (134) is located at the lower end of the leak-proof filter body (132).

7. The leak-proof air supply ceiling according to claim 6, characterized in that, The mesh mounting frame (10) has several positioning blocks connected to its surface. The bottom of the filter frame (131) is provided with a slot that matches the positioning blocks. A sealing strip is provided between the filter frame (131) and the mesh mounting frame (10).

8. The leak-proof air supply ceiling according to claim 2, characterized in that, The adjusting rod (14) includes several connecting blocks (141) fixedly installed on the lower surface of the top plate of the frame plate (9). A hook rod (142) is suspended below the connecting block (141). A loop block (143) is threaded at the lower end of the hook rod (142). A ring rod (144) is provided below the hook rod (142). The top of the ring rod (144) is threaded to the loop block (143).

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