Ventilation device for civil air defense engineering

By designing a ventilation device for civil defense engineering that includes ventilation ducts, filtration systems and heating systems, the problems of oxygen reduction and carbon dioxide accumulation caused by poor ventilation in civil defense engineering are solved, effective air filtration and temperature control are achieved, and a comfortable environment is provided for civil defense engineering.

CN222651540UActive Publication Date: 2025-03-21SICHUAN TAICHANG CIVIL AIR DEFENSE ENG EQUIP CO LTD
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Patent Information

Application Number
CN202421430403.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-03-21
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

In the prior art, the ventilation devices of civil defense projects are not airtight for a long time, resulting in a decrease in the indoor oxygen content, making it difficult to discharge water vapor and carbon dioxide, resulting in unsafe factors.

Method used

A ventilation device for civil defense engineering is designed, including ventilation ducts, heat dissipation components, water collection tanks, filter plates, water pumps, water supply pipes, concentration boxes, nozzles and heating pipes. The gas is driven into the ventilation duct through the fan, the first filter and the second filter are filtered, the pump pump draws the water flow and sprays it out through the nozzle, and the heating pipe is temperature controlled.

Benefits of technology

Effective filtration and temperature control of gas are achieved, ensuring that the ventilation device can effectively discharge water vapor and carbon dioxide in the room, increase the indoor oxygen content, and provide a comfortable environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of ventilation devices, and discloses a ventilation device for civil air defense engineering, which comprises a ventilation pipeline, a heat dissipation component is arranged on the rear side in the ventilation pipeline, a water collection tank is fixedly connected to the lower side in the ventilation pipeline, and a filter plate is arranged on the upper side in the water collection tank. A supporting plate is fixedly connected to the right side of the ventilation pipeline, a water suction pump is fixedly connected to the upper portion of the supporting plate, a water suction pipe is fixedly connected to the input end of the water suction pump, the left end of the water suction pipe is fixedly connected to the right side of the water collection tank, and a water conveying pipe is fixedly connected to the output end of the water suction pump; the left end of the water conveying pipe is fixedly connected with a concentration box. According to the device, it is ensured that the temperature of gas can be controlled, a comfortable environment is provided for civil air defense engineering, the second filter screen can be conveniently mounted and dismounted, and then the second filter screen can be conveniently replaced.
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Description

Technical Field

[0001] The utility model relates to the technical field of ventilation devices, in particular to a ventilation device for civil air defense projects. Background Art

[0002] Civil defense safety projects refer to civil air defense projects, which refer to underground protective buildings built separately to ensure the sheltering of personnel and materials, civil air defense command, and medical rescue in wartime, as well as basements that can be used for air defense in wartime built in combination with ground buildings. Ventilation devices are required for ventilation in civil air defense installation projects. During the ventilation process of the ventilation devices, oil mesh dust filters are required to filter dust particles in the air. The oil mesh dust filters are generally composed of a filter and an outer shell.

[0003] In the prior art, the incoming gas is blocked and dusted by the retractable corrugated dust removal plate in the purification device. It does not need to be replaced frequently and is easy to clean. It only needs to pull the traction rope to vibrate the retractable corrugated dust removal plate to shake off the dust on its surface. The dust collecting box can be cleaned regularly to remove dust and purify the air entering the project, ensuring the cleanliness of the air and facilitating the maintenance of the internal environment.

[0004] However, when the above device is in use, since the basement is not ventilated for a long time, the indoor oxygen content will be reduced, and the water vapor and carbon dioxide discharged by the staff when breathing will accumulate in large quantities and be difficult to discharge, thus forming an unsafe factor for a long time. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art that the airtight basement for a long time will reduce the indoor oxygen content, and the water vapor and carbon dioxide discharged by the staff when breathing will accumulate in large quantities and be difficult to discharge, and proposes a ventilation device for civil air defense projects.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a ventilation device for civil air defense projects, comprising a ventilation duct, a heat dissipation component is arranged on the inner rear side of the ventilation duct, a water collecting box is fixedly connected to the inner lower side of the ventilation duct, a filter plate is arranged on the inner upper side of the water collecting box, a support plate is fixedly connected to the right side of the ventilation duct, a water pump is fixedly connected to the upper part of the support plate, an input end of the water pump is fixedly connected to a water pump, a left end of the water pump is fixedly connected to the right side of the water collecting box, an output end of the water pump is fixedly connected to a water pipe, a left end of the water pipe is fixedly connected to a concentration box, a lower part of the concentration box is fixedly connected to evenly distributed nozzles, a buckle is fixedly connected to the inner upper side of the ventilation duct, a heating pipe is arranged inside the buckle.

[0007] As a further description of the above technical solution:

[0008] The heat dissipation component includes a first filter screen, which is arranged at the inner rear side of the ventilation duct, and a fan is arranged inside the ventilation duct.

[0009] As a further description of the above technical solution:

[0010] A placement groove is provided on the upper inner side of the ventilation duct, a second filter is slidably connected to the interior of the placement groove, a pull rod is fixedly connected to the upper portion of the second filter, fixing frames are fixedly connected to both sides of the ventilation duct, a disassembly assembly is slidably connected to the interior of the fixing frame, the disassembly assembly is slidably connected to the interior of the socket, and the socket is arranged on both sides of the second filter.

[0011] As a further description of the above technical solution:

[0012] The disassembly assembly includes a support rod, which is slidably connected to the inside of a fixed frame, a pull ring is fixedly connected to the far end of the support rod, a spring is sleeved on the outside of the support rod, a movable plate is fixedly connected to the close end of the support rod, and an insertion rod is fixedly connected to the close side of the movable plate.

[0013] As a further description of the above technical solution:

[0014] One end of the spring is fixedly connected to the inside of the fixing frame, and the other end of the spring is fixedly connected to the far-away side of the moving plate.

[0015] As a further description of the above technical solution:

[0016] Both sides of the ventilation duct are provided with plug holes.

[0017] As a further description of the above technical solution:

[0018] The centralizing box is fixedly connected to the inner upper side of the ventilation duct.

[0019] As a further description of the above technical solution:

[0020] A water injection pipe is fixedly connected to the left side of the water collecting tank, and a control valve is arranged on the upper side of the water injection pipe.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the fan is started to drive the gas into the ventilation duct, the first filter screen and the second filter screen are set to filter the gas, and the water pump is started to drive the water collection tank to extract the water. The water flows from the inside of the water pump pipe into the water pipe, the collection box and the nozzle, and then sprayed out from the inside of the nozzle. The heating pipe is set to heat the gas inside the ventilation duct, thereby ensuring that the temperature of the gas can be controlled and providing a comfortable environment for the civil air defense project.

[0023] 2. In the utility model, the support rod, the movable plate and the insertion rod are moved by manually pulling the pull ring, so that the insertion rod is disengaged from the insertion hole. At the same time, the movable plate squeezes the spring, and then the pull rod is manually moved to drive the second filter screen to disengage from the placement slot, thereby facilitating the installation and disassembly of the second filter screen, and then facilitating the replacement of the second filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a front view of a ventilation device for civil air defense projects proposed by the utility model;

[0025] Figure 2 This is a rear view of a ventilation device for civil air defense projects proposed by the utility model;

[0026] Figure 3 This is a cross-sectional view of a ventilation duct of a ventilation device for civil air defense engineering proposed by the utility model;

[0027] Figure 4 for Figure 1 Enlarged view of point A in .

[0028] Legend:

[0029] 1. Ventilation duct; 2. First filter; 3. Fan; 4. Water collecting box; 5. Filter plate; 6. Support plate; 7. Suction pipe; 8. Suction pump; 9. Water pipe; 10. Concentrating box; 11. Nozzle; 12. Buckle; 13. Heating pipe; 14. Placement slot; 15. Second filter; 16. Pull rod; 17. Fixed frame; 18. Support rod; 19. Pull ring; 20. Spring; 21. Moving plate; 22. Insert rod; 23. Socket; 24. Water injection pipe; 25. Control valve. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Reference Figure 1 , Figure 2 , Figure 3 , the utility model provides an embodiment: a ventilation device for civil air defense engineering, comprising a ventilation duct 1, a heat dissipation component is arranged on the inner rear side of the ventilation duct 1, a water collecting box 4 is fixedly connected to the inner lower side of the ventilation duct 1, a filter plate 5 is arranged on the inner upper side of the water collecting box 4, a support plate 6 is fixedly connected to the right side of the ventilation duct 1, a water pump 8 is fixedly connected to the upper part of the support plate 6, an input end of the water pump 8 is fixedly connected to a water pump 7, a left end of the water pump 7 is fixedly connected to the right side of the water collecting box 4, a water delivery pipe 9 is fixedly connected to the output end of the water pump 8, a water delivery pipe 9 is fixedly connected to the left end of the water delivery pipe 9, a uniformly distributed nozzle 11 is fixedly connected to the lower part of the focusing box 10, a buckle 12 is fixedly connected to the inner upper side of the ventilation duct 1, a heating pipe 13 is arranged inside the buckle 12; the heat dissipation component comprises a first filter screen 2, the first filter screen 2 is arranged on the inner rear side of the ventilation duct 1, and a fan 3 is arranged inside the ventilation duct 1.

[0032] By starting the fan 3, the gas is driven into the ventilation duct 1, and the first filter 2 and the second filter 15 are set to filter the gas. By starting the water pump 8, the water pipe 7 is driven to extract the water from the water collecting tank 4. The water flows from the water pipe 7 into the water pipe 9, the collecting box 10 and the nozzle 11, and then is sprayed out from the nozzle 11. The heating pipe 13 is set to heat the gas inside the ventilation duct 1, thereby ensuring that the temperature of the gas can be controlled.

[0033] Reference Figure 1 , Figure 3 , Figure 4 A placement groove 14 is provided on the upper inner side of the ventilation duct 1, and a second filter screen 15 is slidably connected inside the placement groove 14, and a pull rod 16 is fixedly connected to the upper part of the second filter screen 15. A fixing frame 17 is fixedly connected to both sides of the ventilation duct 1, and a disassembly component is slidably connected inside the fixing frame 17. The disassembly component is slidably connected inside the socket 23, and the socket 23 is arranged on both sides of the second filter screen 15; the disassembly component includes a support rod 18, which is slidably connected inside the fixing frame 17, and a pull ring 19 is fixedly connected to the far end of the support rod 18, and a spring 20 is sleeved on the outside of the support rod 18, and a moving plate 21 is fixedly connected to the close end of the support rod 18, and a plug rod 22 is fixedly connected to the close side of the moving plate 21.

[0034] By manually pulling the pull ring 19, the support rod 18, the movable plate 21 and the insertion rod 22 are moved, so that the insertion rod 22 is disengaged from the insertion hole 23. At the same time, the movable plate 21 squeezes the spring 20, and then the pull rod 16 is manually moved to drive the second filter screen 15 to disengage from the placement groove 14, which facilitates the installation and disassembly of the second filter screen 15.

[0035] Reference Figure 1 , Figure 2 , Figure 3 One end of the spring 20 is fixedly connected to the inside of the fixed frame 17, and the other end of the spring 20 is fixedly connected to the side away from the movable plate 21; holes 23 are provided on both sides of the ventilation duct 1; the collecting box 10 is fixedly connected to the upper side of the inside of the ventilation duct 1; the left side of the water collecting box 4 is fixedly connected to a water injection pipe 24, and a control valve 25 is provided on the upper side of the water injection pipe 24.

[0036] One end of the spring 20 is fixedly connected to the inside of the fixed frame 17, and the other end of the spring 20 is fixedly connected to the side of the movable plate 21 that is away from it, thereby driving the movable plate 21 to rebound; holes 23 are provided on both sides of the ventilation duct 1, thereby facilitating the fixation of the second filter screen 15; the concentrating box 10 is fixedly connected to the upper side of the inside of the ventilation duct 1, thereby providing fixed support for the concentrating box 10; a water injection pipe 24 is fixedly connected to the left side of the water collecting box 4, and a control valve 25 is provided on the upper side of the water injection pipe 24, thereby conveying water to the water collecting box 4.

[0037] Working principle: When using this device, the air is driven into the ventilation duct 1 by starting the fan 3, and the first filter 2 and the second filter 15 are provided to filter the air. The water pump 8 is started, and the water pump 8 drives the water pipe 7 to extract the water from the water collecting box 4. The water flows from the inside of the water pipe 7 through the water pump 8 into the inside of the water delivery pipe 9, from the inside of the water delivery pipe 9 into the inside of the concentration box 10, from the inside of the concentration box 10 into the inside of the nozzle 11, and then sprayed out from the inside of the nozzle 11 to cool the air. The air in the ventilation duct 1 is heated by the heating pipe 13. The temperature of the gas can be controlled to provide a comfortable environment for civil air defense projects; when the second filter 15 is disassembled, the pull ring 19 is manually pulled, and the pull ring 19 moves to drive the support rod 18 to move, and the support rod 18 moves to drive the moving plate 21 to move, and the moving plate 21 moves to drive the insertion rod 22 to disengage from the insertion hole 23, and at the same time the moving plate 21 squeezes the spring 20, and then the pull rod 16 is manually moved, and the pull rod 16 moves to drive the second filter 15 to disengage from the placement slot 14, so that the second filter 15 can be easily installed and disassembled, and then the second filter 15 can be easily replaced.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A ventilation device for civil air defense engineering, comprising a ventilation duct (1), characterized in that: A heat dissipation component is arranged at the rear side of the interior of the ventilation duct (1); a water collecting box (4) is fixedly connected to the lower side of the interior of the ventilation duct (1); a filter plate (5) is arranged at the upper side of the interior of the water collecting box (4); a support plate (6) is fixedly connected to the right side of the ventilation duct (1); a water pump (8) is fixedly connected to the upper part of the support plate (6); an input end of the water pump (8) is fixedly connected to a water pump pipe (7); the left end of the water pump pipe (7) is fixedly connected to the right side of the water collecting box (4); an output end of the water pump (8) is fixedly connected to a water delivery pipe (9); the left end of the water delivery pipe (9) is fixedly connected to a concentration box (10); the lower part of the concentration box (10) is fixedly connected to uniformly distributed nozzles (11); a buckle (12) is fixedly connected to the upper side of the interior of the ventilation duct (1); a heating pipe (13) is arranged inside the buckle (12).

2. A ventilation device for civil air defense engineering according to claim 1, characterized in that: The heat dissipation component comprises a first filter (2), the first filter (2) being arranged at the inner rear side of the ventilation duct (1), and a fan (3) being arranged inside the ventilation duct (1).

3. A ventilation device for civil air defense engineering according to claim 1, characterized in that: A placement groove (14) is provided on the upper inner side of the ventilation duct (1), a second filter screen (15) is slidably connected to the interior of the placement groove (14), a pull rod (16) is fixedly connected to the upper part of the second filter screen (15), both sides of the ventilation duct (1) are fixedly connected to fixing frames (17), a disassembly component is slidably connected to the interior of the fixing frame (17), and the disassembly component is slidably connected to the interior of the socket (23), and the socket (23) is arranged on both sides of the second filter screen (15).

4. A ventilation device for civil air defense engineering according to claim 3, characterized in that: The disassembly assembly comprises a support rod (18), the support rod (18) is slidably connected to the inside of the fixed frame (17), a pull ring (19) is fixedly connected to the far end of the support rod (18), a spring (20) is sleeved on the outside of the support rod (18), a movable plate (21) is fixedly connected to the close end of the support rod (18), and an insertion rod (22) is fixedly connected to the close side of the movable plate (21).

5. A ventilation device for civil air defense engineering according to claim 4, characterized in that: One end of the spring (20) is fixedly connected to the inside of the fixed frame (17), and the other end of the spring (20) is fixedly connected to the side of the moving plate (21) that is away from the moving plate.

6. A ventilation device for civil air defense engineering according to claim 1, characterized in that: Insertion holes (23) are provided on both sides of the ventilation duct (1).

7. A ventilation device for civil air defense engineering according to claim 1, characterized in that: The concentration box (10) is fixedly connected to the inner upper side of the ventilation duct (1).

8. A ventilation device for civil air defense engineering according to claim 1, characterized in that: A water injection pipe (24) is fixedly connected to the left side of the water collecting box (4), and a control valve (25) is arranged on the upper side of the water injection pipe (24).