Moisture-proof ventilation structure for underground space
By using a combination of L-shaped pipes and desiccants in the moisture-proof and ventilation structure of underground spaces, the problem of limited heating and drying effects was solved, and effective humidity reduction was achieved in high-humidity environments.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU WANHENG CONSTR CO LTD
- Filing Date
- 2025-07-07
- Publication Date
- 2026-06-23
AI Technical Summary
Existing technologies have limited effectiveness in drying air by heating in high humidity environments and cannot effectively reduce humidity in underground spaces.
The system employs a first L-shaped tube and a second L-shaped tube structure, combined with a desiccant and a fan. The airflow path is controlled by an adjustment plate, allowing high-humidity air to flow through the desiccant to remove moisture, forming a dry airflow before being sent back to the underground space.
It effectively reduces humidity in underground spaces and improves the drying effect, especially in high humidity environments.
Smart Images
Figure CN224397944U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of moisture-proof and ventilation technology, and in particular to a moisture-proof and ventilation structure for underground spaces. Background Technology
[0002] The underground space is called a basement. A basement is a room whose floor is more than half the height of the room below the outdoor ground level. Multi-story and high-rise buildings require deeper foundations. To utilize this height, a basement is built under the ground floor of the building, which can increase usable area and save the need for backfilling soil in the center of the building.
[0003] Chinese utility model patent CN219693509U discloses a basement ventilation and moisture-proof structure, including an outer shell. A louvered panel is fixedly connected to the front of the outer shell. Ventilation and moisture-proof mechanisms are provided inside and at the bottom of the outer shell. The ventilation and moisture-proof mechanism includes a first impeller and a second impeller. A fixed frame is fixedly connected to the rear side of the second impeller inside the outer shell. A heating wire is fixedly connected inside the fixed frame. When the second impeller rotates, it draws outside air into the outer shell through a circulation pipe, dries the outside air through the heating wire inside the outer shell, and then discharges the dried air into the basement.
[0004] Regarding the aforementioned technologies, the inventors believe that the following defects exist: During use, the above-mentioned device dries the outside air entering the outer casing by heating wire. However, the effect of drying the air by heating it alone is limited. When the outside environment is in a high humidity environment, such as the plum rain season in the south, the heated air still contains a lot of water vapor and cannot effectively reduce the humidity in the underground space. Utility Model Content
[0005] To address the aforementioned problems, this utility model provides a moisture-proof and ventilation structure for underground spaces.
[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a moisture-proof and ventilation structure for underground space, comprising a first L-shaped pipe and a second L-shaped pipe, wherein a fan is provided at the end of the horizontal section of the first L-shaped pipe and the second L-shaped pipe, the vertical sections of the first L-shaped pipe and the second L-shaped pipe are connected, and an opening penetrating the adjacent sidewalls of the first L-shaped pipe and the second L-shaped pipe is provided at the connection point of the first L-shaped pipe and the second L-shaped pipe, an adjusting plate is horizontally rotatably provided in the opening, a notch is provided on one side of the second L-shaped pipe below the opening, a C-shaped plate is provided on the outer wall of the second L-shaped pipe at the notch, an installation pipe is horizontally slidably provided on the inner side of the C-shaped plate and the installation pipe is slidably connected to the notch, a driving component for driving the installation pipe to slide is provided on the C-shaped plate, and a desiccant is provided inside the installation pipe.
[0007] By adopting the above technical solution, a first L-shaped tube, a second L-shaped tube, an adjusting plate, an installation tube, and a desiccant are installed. A fan inside the first L-shaped tube draws outside air into the underground space, while a fan inside the second L-shaped tube blows air from the underground space into the first L-shaped tube, thus exhausting it to the outside, completing ventilation. When the humidity in the outside air is high, the adjusting plate is rotated to close the upper passages of the first and second L-shaped tubes, leaving only the lower opening as an airflow path, connecting the two tubes. The installation tube is driven by a drive assembly to move through the opening and enter the second L-shaped tube. At this time, when air from the underground space is drawn in by the fan in the second L-shaped tube, it flows through the desiccant in the installation tube. The desiccant removes moisture from the air through physical adsorption, forming a dry airflow. The dried air, blocked by the adjusting plate, enters the first L-shaped tube through the lower opening and is ultimately returned to the underground space, preventing high-humidity air from directly entering and effectively reducing the humidity within the underground space.
[0008] Furthermore, the first L-shaped tube has mounting grooves on both sides of the notch that communicate with the notch. A sliding groove is horizontally arranged in the mounting groove, and the openings of the two sliding grooves are opposite each other. A slider connected to the mounting tube is slidably arranged in the sliding groove.
[0009] By adopting the above technical solution, and setting up mounting grooves, slides, and sliders, the stability of the sliding of the mounting tube is ensured.
[0010] Furthermore, an operating port is provided on one side of the installation tube, and several placement units are vertically spaced inside the installation tube. Each placement unit includes a protrusion on the inner wall of opposite sides of the installation tube, and a placement frame is slidably provided on two protrusions. Several ventilation holes are provided at the bottom of the placement frame, and a mesh bag is provided inside the placement frame. The desiccant is placed inside the mesh bag. A baffle that cooperates with the operating port is provided on one side of several placement frames, and the shape of the baffle surface is consistent with the shape of the operating port.
[0011] By adopting the above technical solution, an operating port, raised strips, placement frames, a mesh bag, and a baffle are provided. In the initial state, the baffle blocks the operating port. When the desiccant needs to be replaced, pulling the baffle causes several placement frames to slide, allowing the mesh bag to be removed and the desiccant to be replaced.
[0012] Furthermore, the inner wall of the installation tube is provided with several connecting blocks, and the connecting blocks are provided with screw holes. The baffle is provided with countersunk holes corresponding to the screw holes. The screws pass through the countersunk holes and are screwed into the screw holes to fix the baffle.
[0013] By adopting the above technical solution, a connecting block, screw hole, and countersunk hole are set. The screw passes through the countersunk hole and is screwed into the screw hole to fix the baffle. The screw head is located inside the countersunk hole to ensure that the screw head does not protrude from the outer wall of the mounting tube and avoids interfering with the movement of the mounting tube.
[0014] Furthermore, the drive assembly includes an electric push rod horizontally disposed on the C-shaped plate, the push rod of which passes through the C-shaped plate and is connected to the mounting tube.
[0015] By adopting the above technical solution, an electric push rod is set up to drive the installation tube to move.
[0016] Furthermore, a circular tube is provided at the opening, and a circular plate is provided on one side of the circular tube. A drive motor is horizontally provided on the side of the circular plate adjacent to the circular tube. The output shaft of the drive motor passes through the circular plate and is connected to an adjusting plate. An avoidance groove is provided on the adjusting plate, and the groove wall slides in contact with the outer wall of the circular tube. A rotating shaft is provided on the side of the adjusting plate away from the drive motor. A semi-circular hole is provided on both the first L-shaped tube and the second L-shaped tube. The rotating shaft is rotatably connected to both semi-circular holes.
[0017] By adopting the above technical solution, a circular tube, a drive motor, and a rotating shaft are set up, and the drive motor drives the adjustment plate to rotate.
[0018] Furthermore, several heating wires are provided in the horizontal section of the first L-shaped tube.
[0019] In summary, this utility model has the following beneficial effects: This application includes a first L-shaped tube, a second L-shaped tube, an adjusting plate, an installation tube, and a desiccant. A fan inside the first L-shaped tube draws outside air into the underground space through the first L-shaped tube, while a fan inside the second L-shaped tube blows air from the underground space into the first L-shaped tube, thus exhausting it to the outside, completing ventilation. When the humidity in the outside air is high, rotating the adjusting plate closes the upper passages of the first and second L-shaped tubes, leaving only the lower opening as an airflow path, connecting the first and second L-shaped tubes. The installation tube is driven by a drive assembly to move through the opening and enter the second L-shaped tube. At this time, when air from the underground space is drawn in by the fan inside the second L-shaped tube, it flows through the desiccant in the installation tube. The desiccant removes moisture from the air through physical adsorption, forming a dry airflow. The dried air, blocked by the adjusting plate, enters the first L-shaped tube through the lower opening and is ultimately returned to the underground space, preventing high-humidity air from directly entering the underground space and effectively reducing the humidity within the underground space. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;
[0021] Figure 2 This is a schematic diagram of the internal structure of the first L-shaped tube and the second L-shaped tube according to an embodiment of this utility model;
[0022] Figure 3 yes Figure 2 Enlarged view of part A;
[0023] Figure 4 This is a schematic diagram of the installation tube and placement unit according to an embodiment of this utility model;
[0024] Figure 5 This is a schematic diagram of the installation tube according to an embodiment of the present invention;
[0025] Figure 6 This is a schematic diagram of the structure of the baffle and placement frame in an embodiment of this utility model.
[0026] In the diagram: 10. First L-shaped tube; 11. Second L-shaped tube; 12. Fan; 13. Heating wire; 20. Opening; 21. Adjustment plate; 30. Notch; 31. C-shaped plate; 32. Mounting tube; 33. Operating port; 40. Drive assembly; 41. Electric push rod; 50. Mounting groove; 51. Slide groove; 52. Slider; 60. Placement unit; 61. Raised strip; 62. Placement frame; 63. Vent hole; 64. Mesh bag; 70. Baffle; 71. Connecting block; 72. Countersunk hole; 80. Round tube; 81. Round plate; 82. Drive motor; 83. Clearance groove; 84. Rotating shaft. Detailed Implementation
[0027] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.
[0028] like Figure 1-6As shown in the embodiment of this application, a moisture-proof and ventilation structure for underground space is disclosed, including a first L-shaped pipe 10, a second L-shaped pipe 11, an adjusting plate 21, and a desiccant. Fans 12 are provided at the ends of the horizontal sections of the first L-shaped pipe 10 and the second L-shaped pipe 11. The vertical sections of the first L-shaped pipe 10 and the second L-shaped pipe 11 are connected. An opening 20 is provided at the connection of the first L-shaped pipe 10 and the second L-shaped pipe 11, penetrating the adjacent sidewalls of the first L-shaped pipe 10 and the second L-shaped pipe 11. The adjusting plate 21 is horizontally rotatably disposed in the opening 20. A notch 30 is provided on one side of the second L-shaped pipe 11 below the opening 20. A C-shaped plate 31 is provided on the outer wall of the second L-shaped pipe 11 at the notch 30. An installation pipe 32 is horizontally slidably disposed on the inner side of the C-shaped plate 31 and is slidably connected to the notch 30. A driving assembly 40 for driving the installation pipe 32 to slide is provided on the C-shaped plate 31. The desiccant is disposed in the installation pipe 32.
[0029] Specifically, the upper ends of both the first L-shaped tube 10 and the second L-shaped tube 11 are connected to the outside via vent pipes. The length of the vertical section of the first L-shaped tube 10 is shorter than the length of the vertical section of the second L-shaped tube 11, and the ends of the horizontal sections of the first L-shaped tube 10 and the second L-shaped tube 11 are flush. An air humidity sensor is installed at the upper end of the first L-shaped tube 10. Several heating wires 13 are installed inside the horizontal section of the first L-shaped tube 10. A fan 12 inside the first L-shaped tube 10 draws outside air into the underground space through the first L-shaped tube 10. The heating wires 13 are energized to heat and dry the air inside the first L-shaped tube 10. The fan 12 inside the second L-shaped tube 11 blows air from the underground space into the first L-shaped tube 10 and then exhausts it to the outside, completing the ventilation and drying process. When the air humidity sensor detects high humidity in the air entering the first L-shaped tube 10, the adjusting plate 21 is rotated to close the upper channel between the first L-shaped tube 10 and the second L-shaped tube 11, leaving only the lower part of the opening 20 as the airflow path, thus connecting the first L-shaped tube 10 and the second L-shaped tube 11. The installation tube 32 is driven by the driving component 40 to move through the notch 30 and enter the second L-shaped tube 11. At this time, when the air in the underground space is drawn in by the fan 12 in the second L-shaped tube 11, it needs to flow through the desiccant in the installation tube 32. The desiccant removes moisture from the air through physical adsorption, forming a dry airflow. The dried air, blocked by the adjusting plate 21, enters the first L-shaped tube 10 through the lower part of the opening 20 and is finally sent back to the underground space, preventing high humidity air from directly entering the underground space and effectively reducing the humidity in the underground space.
[0030] During installation, the first L-shaped tube 10 has two mounting grooves 50 on each side of the notch 30, which are connected to the notch 30. Each mounting groove 50 has two grooves on each side. A sliding groove 51 is horizontally arranged in the mounting groove 50, and the openings of the two corresponding sliding grooves 51 are opposite each other. A slider 52 connected to the mounting tube 32 is slidably arranged in the sliding groove 51 to ensure the stability of the sliding of the mounting tube 32.
[0031] In the specific setup, the desiccant consists of small granules made of calcium sulfate or calcium chloride. Since the desiccant will become ineffective after prolonged use, an operating port 33 is provided on one side of the installation tube 32. Several placement units 60 are vertically spaced within the installation tube 32. Each placement unit 60 includes protrusions 61 on opposite inner walls of the installation tube 32. A placement frame 62 is slidably mounted on two protrusions 61. Several ventilation holes 63 are provided at the bottom of the placement frame 62, and a mesh bag 64 is placed inside the placement frame 62. The desiccant is placed inside the mesh bag 64 to ensure smooth airflow. A baffle 70, which cooperates with the operating port 33, is provided on one side of each placement frame 62. The shape of the baffle 70 matches the shape of the operating port 33. Initially, the baffle 70 blocks the operating port 33. When the desiccant needs to be replaced, pulling the baffle 70 causes the placement frames 62 to slide, allowing the mesh bag 64 to be removed and the desiccant replaced. Two grooves are spaced apart on the side of the baffle 70 away from the placement frame 62. The plate between the two grooves forms a handle. When the baffle 70 needs to be pulled, pinching this part of the plate will pull the baffle 70. Several connecting blocks 71 are provided on the inner wall of the mounting tube 32. The connecting blocks 71 have screw holes. The baffle 70 has countersunk holes 72 corresponding to the screw holes. The screw passes through the countersunk holes 72 and is screwed into the screw holes to fix the baffle 70. The screw head is located inside the countersunk holes 72 to ensure that the screw head does not protrude from the outer wall of the mounting tube 32 and avoids interfering with the movement of the mounting tube 32. The drive assembly 40 includes an electric push rod 41 horizontally arranged on the C-shaped plate 31. The push rod of the electric push rod 41 passes through the C-shaped plate 31 and is connected to the mounting tube 32. The electric push rod 41 pushes the mounting tube 32 to move.
[0032] A circular tube 80 is provided at the opening 20. A circular plate 81 is provided on one side of the circular tube 80. A drive motor 82 is horizontally provided on the side of the circular plate 81 adjacent to the circular tube 80. The output shaft of the drive motor 82 passes through the circular plate 81 and is connected to the adjusting plate 21. An avoidance groove 83 is provided on the adjusting plate 21. The groove wall of the avoidance groove 83 is in sliding contact with the outer wall of the circular tube 80. A rotating shaft 84 is provided on the side of the adjusting plate 21 away from the drive motor 82. A semi-circular hole is provided on the first L-shaped tube 10 and the second L-shaped tube 11. The two semi-circular holes are combined to form a complete circular hole. The diameter of the circular hole is the same as the diameter of the rotating shaft 84. The rotating shaft 84 is rotatably connected to both semi-circular holes. The drive motor 82 drives the adjusting plate 21 to rotate.
[0033] A cabinet is also installed at the top of the horizontal section of the second L-shaped tube 11. The cabinet contains a controller for cleaning the data detected by the air humidity sensor and controlling the start and stop of the fan 12, drive motor 82, and heating wire 13.
[0034] The working principle of the underground space moisture-proof and ventilation structure in this embodiment is as follows:
[0035] The fan 12 inside the first L-shaped tube 10 draws outside air into the underground space through the first L-shaped tube 10, and the fan 12 inside the second L-shaped tube 11 blows the air in the underground space into the first L-shaped tube 10 and then exhausts it to the outside, thus completing the ventilation.
[0036] When the humidity in the outside air is high, the drive motor 82 drives the adjustment plate 21 to rotate, closing the upper passage between the first L-shaped tube 10 and the second L-shaped tube 11, leaving only the lower part of the opening 20 as the airflow path, thus connecting the first L-shaped tube 10 and the second L-shaped tube 11. The electric push rod 41 drives the installation tube 32 to move through the notch 30 and enter the second L-shaped tube 11. At this time, when the air in the underground space is drawn in by the fan 12 in the second L-shaped tube 11, it needs to flow through the desiccant in the installation tube 32. The desiccant removes the moisture in the air through physical adsorption, forming a dry airflow. The dried air, blocked by the adjustment plate 21, enters the first L-shaped tube 10 through the lower part of the opening 20 and is finally sent back to the underground space, preventing high humidity air from directly entering the underground space and effectively reducing the humidity in the underground space.
[0037] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.
Claims
1. A moisture-proof and ventilation structure for underground spaces, characterized in that: The system includes a first L-shaped tube (10) and a second L-shaped tube (11). A fan (12) is installed at the end of the horizontal section of both the first L-shaped tube (10) and the second L-shaped tube (11). The vertical sections of the first L-shaped tube (10) and the second L-shaped tube (11) are connected. An opening (20) penetrating the adjacent sidewalls of the first L-shaped tube (10) and the second L-shaped tube (11) is provided at the connection point. An adjustment mechanism is horizontally rotatable within the opening (20). The plate (21) has a notch (30) on one side of the second L-shaped tube (11) below the opening (20). A C-shaped plate (31) is provided on the outer wall of the second L-shaped tube (11) at the notch (30). An installation tube (32) is horizontally slidably provided on the inner side of the C-shaped plate (31) and is slidably connected to the notch (30). A driving assembly (40) for driving the installation tube (32) to slide is provided on the C-shaped plate (31). A desiccant is provided inside the installation tube (32).
2. The moisture-proof and ventilation structure for underground spaces according to claim 1, characterized in that: The first L-shaped tube (10) has mounting grooves (50) on both sides of the notch (30) that communicate with the notch (30). A sliding groove (51) is horizontally arranged in the mounting groove (50), and the openings of the two sliding grooves (51) are opposite to each other. A slider (52) connected to the mounting tube (32) is slidably arranged in the sliding groove (51).
3. The moisture-proof and ventilation structure for underground spaces according to claim 1, characterized in that: An operating port (33) is provided on one side of the installation tube (32). Several placement units (60) are vertically spaced inside the installation tube (32). Each placement unit (60) includes a protrusion (61) on the inner wall of opposite sides of the installation tube (32). A placement frame (62) is slidably provided on two protrusions (61). Several ventilation holes (63) are provided at the bottom of the placement frame (62). A mesh bag (64) is provided inside the placement frame (62). The desiccant is placed inside the mesh bag (64). A baffle (70) that cooperates with the operating port (33) is provided on one side of several placement frames (62). The shape of the baffle (70) is consistent with the shape of the operating port (33).
4. The moisture-proof and ventilation structure for underground spaces according to claim 3, characterized in that: The inner wall of the mounting tube (32) is provided with several connecting blocks (71), and the connecting blocks (71) are provided with screw holes. The baffle (70) is provided with countersunk holes (72) corresponding to the screw holes. The screw passes through the countersunk holes (72) and is screwed into the screw holes to fix the baffle (70).
5. The moisture-proof and ventilation structure for underground spaces according to claim 1, characterized in that: The drive assembly (40) includes an electric push rod (41) horizontally disposed on a C-shaped plate (31), the push rod of which passes through the C-shaped plate (31) and is connected to the mounting tube (32).
6. The moisture-proof and ventilation structure for underground spaces according to claim 1, characterized in that: A circular tube (80) is provided at the opening (20). A circular plate (81) is provided on one side of the circular tube (80). A drive motor (82) is horizontally provided on the side of the circular plate (81) near the circular tube (80). The output shaft of the drive motor (82) passes through the circular plate (81) and is connected to the adjusting plate (21). An avoidance groove (83) is provided on the adjusting plate (21). The groove wall of the avoidance groove (83) slides in contact with the outer wall of the circular tube (80). A rotating shaft (84) is provided on the side of the adjusting plate (21) away from the drive motor (82). A semi-circular hole is provided on both the first L-shaped tube (10) and the second L-shaped tube (11). The rotating shaft (84) is rotatably connected to both semi-circular holes.
7. The moisture-proof and ventilation structure for underground spaces according to claim 1, characterized in that: Several heating wires (13) are provided in the horizontal section of the first L-shaped tube (10).