CN221425026U - Ventilating system of air-defense basement - Google Patents

Abstract

The utility model relates to a ventilation system of an air-defense basement, which comprises an air supply pipe and an exhaust pipe; an air supply fan, a heating wire, a dehumidifying filter element, a humidity sensor and a first electromagnetic valve are sequentially arranged in the air supply pipe along the air flow direction, and an exhaust fan is arranged in the exhaust pipe; the air supply pipe is communicated with the exhaust pipe through a connecting pipe, an air inlet of the connecting pipe is arranged between the dehumidifying filter element and the first electromagnetic valve, and an air outlet of the connecting pipe is arranged between the air inlet of the exhaust pipe and the exhaust fan. When the humidity sensor detects that the air humidity after being filtered by the dehumidifying filter element is too high, the first electromagnetic valve is closed, the heating wire is opened for heating, and the air supply fan blows the hot air heated by the heating wire to the dehumidifying filter element for drying the dehumidifying filter element; the whole ventilation system does not need to keep the connection state of the heating wire all the time, the power consumption of the ventilation system can be greatly reduced, and the potential safety hazard caused by burning out the heating wire due to long-time connection of the heating wire is avoided.

Description

Ventilating system of air-defense basement

Technical Field

The utility model relates to the technical field of ventilation systems, in particular to a ventilation system of an air-defense basement.

Background

The air-defense basement is used as an important civil defense facility, and the design of a ventilation system of the air-defense basement has important significance for guaranteeing the life safety of personnel. However, the existing air-defense basement ventilation system has the defect of removing moisture in the air, so that the interior of the basement is moist, and the air-defense basement ventilation system brings inconvenience to life and work of personnel and even can cause health problems.

Traditional air-defense basement ventilation system mainly relies on mechanical ventilation equipment, realizes the ventilation inside and outside the basement through the mode of supplying air and airing exhaust. Although this approach may promote ventilation in the basement to some extent, it is not ideal in terms of moisture resistance. Particularly in areas or seasons where humidity is high, the moisture problem in the basement is particularly serious.

The Chinese patent discloses a basement ventilation dampproof structure (patent number 202321115920.9), which heats air through a heating wire so as to remove damp from the air, but the heating wire is required to be always kept in a connected state, so that the power consumption of a ventilation system is increased, meanwhile, the heating wire is always kept on, when the air is dry, the temperature of the heating wire is too high, the heating wire is easy to burn, and great potential safety hazard exists; in addition, the air is heated and dried only through the heating wires, and the moisture in the air can only be heated into water vapor, so that the water vapor is not filtered and removed and drifts into the basement, and the basement is still wet.

Disclosure of utility model

The technical problem to be solved by the utility model is to provide a ventilation system of an air-defense basement, so as to overcome the defects in the prior art.

The technical scheme for solving the technical problems is as follows: a ventilation system of an air-defense basement comprises an air supply pipe and an exhaust pipe; an air supply fan, a heating wire, a dehumidifying filter element, a humidity sensor and a first electromagnetic valve are sequentially arranged in the air supply pipe along the air flow direction, and an exhaust fan is arranged in the exhaust pipe; the air supply pipe is communicated with the exhaust pipe through a connecting pipe, an air inlet of the connecting pipe is arranged between the dehumidifying filter element and the first electromagnetic valve, and an air outlet of the connecting pipe is arranged between the air inlet of the exhaust pipe and the exhaust fan.

The beneficial effects of the utility model are as follows: when the air conditioner works normally, the first electromagnetic valve is in an open state, the air supply fan pumps outdoor air into the basement after passing through the dehumidifying filter element, the air exhaust fan discharges the air in the basement, when the humidity sensor detects that the humidity of the air filtered by the dehumidifying filter element is too high, the dehumidifying filter element cannot dehumidify the pumped air, the first electromagnetic valve is closed at the moment, the heating wire is opened for heating, the air supply fan blows the hot air heated by the heating wire to the dehumidifying filter element for drying the dehumidifying filter element, and the air mixed with water vapor after drying the dehumidifying filter element is discharged to the exhaust pipe through the connecting pipe and is pumped and discharged outdoors through the exhaust fan; when the humidity sensor detects that the humidity of the air is reduced to a required value again, the moisture in the dehumidifying filter element is removed, the dehumidifying of the sucked air can be met, at the moment, the first electromagnetic valve is opened, and meanwhile, the heating wire is closed, so that normal ventilation work is performed; the whole ventilation system does not need to keep the connection state of the heating wire all the time, so that the power consumption of the ventilation system can be greatly reduced, and the potential safety hazard caused by burning out the heating wire due to long-time connection of the heating wire is avoided; in addition, dehumidify the air through the dehumidification filter core, the dehumidification filter core can effectively absorb the moisture in the air, ensures the desiccation of the air that gets into the basement.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, a second electromagnetic valve is arranged in the middle of the connecting pipe.

Further, the dehumidifying filter element is an active carbon filter element.

Further, both the air inlet of the air supply pipe and the air outlet of the air exhaust pipe are provided with shutter plates.

Further, the air supply pipe, the exhaust pipe, the air supply fan and the exhaust fan are all arranged in the outer box body.

Further, the air supply device also comprises an air supply extension tube and an air exhaust extension tube, wherein an air inlet of the air exhaust extension tube is positioned below an air outlet of the air supply extension tube.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an air duct according to the present utility model;

FIG. 3 is a schematic cross-sectional view of an exhaust duct according to the present utility model;

FIG. 4 is a second schematic diagram of the structure of the present utility model;

Fig. 5 is a schematic diagram of a third embodiment of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. An air supply pipe; 2. an exhaust pipe; 3. an air supply fan; 4. a heating wire; 5. a dehumidifying cartridge; 6. a humidity sensor; 7. a first electromagnetic valve; 8. an exhaust fan; 9. a connecting pipe; 10. a second electromagnetic valve; 11. a louver board; 12. an outer case; 13. an air supply extension tube; 14. and an exhaust extension tube.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

Embodiment 1 as shown in fig. 1 to 5, a ventilation system of an air-defense basement comprises an air supply pipe 1 and an exhaust pipe 2; an air supply fan 3, a heating wire 4, a dehumidifying filter element 5, a humidity sensor 6 and a first electromagnetic valve 7 are sequentially arranged in the air supply pipe 1 along the air flow direction, and an exhaust fan 8 is arranged in the exhaust pipe 2; the air supply pipe 1 is communicated with the exhaust pipe 2 through a connecting pipe 9, an air inlet of the connecting pipe 9 is arranged between the dehumidifying filter element 5 and the first electromagnetic valve 7, and an air outlet of the connecting pipe 9 is arranged between an air inlet of the exhaust pipe 2 and the exhaust fan 8.

When the air conditioner works normally, the first electromagnetic valve 7 is in an open state, the air supply fan 3 pumps outdoor air into the basement after passing through the dehumidifying filter element 5, the air exhaust fan 8 discharges the air in the basement, when the humidity sensor 6 detects that the humidity of the air filtered by the dehumidifying filter element 5 is too high, the dehumidifying filter element 5 cannot satisfy the dehumidification of the pumped air, at the moment, the first electromagnetic valve 7 is closed, the heating wire 4 is opened for heating, the air supply fan 3 blows the hot air heated by the heating wire 4 to the dehumidifying filter element 5 for drying the dehumidifying filter element, and the air mixed with water vapor after drying the dehumidifying filter element 5 is discharged to the exhaust pipe 2 through the connecting pipe 9 and is pumped and discharged to the outside by the air exhaust fan 8; when the humidity sensor 6 detects that the humidity of the air is reduced to a required value again, the moisture in the dehumidifying filter element 5 is removed, the dehumidification of the sucked air can be satisfied, at the moment, the first electromagnetic valve 7 is opened, and meanwhile, the heating wire 4 is closed, so that normal ventilation work is performed; the whole ventilation system does not need to keep the connection state of the heating wire 4 all the time, so that the power consumption of the ventilation system can be greatly reduced, and the potential safety hazard caused by burning out the heating wire due to long-time connection of the heating wire 4 is avoided; in addition, the dehumidification filter element 5 dehumidifies the air, and the dehumidification filter element 5 can effectively absorb moisture in the air and ensure the dryness of the air entering the basement.

Example 2, as shown in fig. 1 to 5, this example is a further improvement on the basis of example 1, and is specifically as follows:

The middle part of the connecting pipe is provided with a second electromagnetic valve 10. During normal ventilation, the second electromagnetic valve 10 is closed, so that the entering dry air is prevented from entering the exhaust pipe 2 from the connecting pipe and being exhausted.

Example 3, as shown in fig. 1 to 5, this example is a further improvement on the basis of example 1, and is specifically as follows:

The dehumidifying filter element 5 is an active carbon filter element. The activated carbon filter element has good adsorption effect, can adsorb moisture in air, and can remove peculiar smell.

Example 4 as shown in fig. 1 to 5, this example is a further improvement on the basis of example 1, and is specifically as follows:

The air inlet of the air supply pipe 1 and the air outlet of the air outlet pipe 2 are both provided with a louver 11. Can avoid the sundries such as leaves and the like from entering the blast pipe 1 and the exhaust pipe 2 to cause blockage.

Example 5 this example is a further improvement over example 1, as shown in fig. 1-5, and is specifically as follows:

Still include outer box 12, blast pipe 1, exhaust pipe 2, air supply fan 3 and exhaust fan 8 all set up in outer box 12. The installation is convenient, and the blast pipe 1, the exhaust pipe 2 and the motor can be protected; in specific implementation, an openable cover plate is arranged above the outer box 12, a slot is arranged on the air supply pipe 1, and the dehumidifying filter element 5 is detachably arranged in the slot, so that the dehumidifying filter element 5 can be replaced regularly, and the effectiveness of the dehumidifying filter element 5 is ensured.

Example 6, as shown in fig. 1 to 5, this example is a further improvement on the basis of example 1, and is specifically as follows:

The air conditioner also comprises an air supply extension tube 13 and an air exhaust extension tube 14, wherein an air inlet of the air exhaust extension tube 14 is positioned below an air outlet of the air supply extension tube 13. The moist air is heavier than the dry air and therefore in an air-protected basement indoor environment, the moist air is generally located below the room, while the dry air rises above the room; the air inlet of the air exhaust extension pipe 14 is arranged below the air outlet of the air supply extension pipe 13, so that moist air can be exhausted from the room.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (6)

1. The ventilation system of the air-defense basement is characterized by comprising an air supply pipe (1) and an exhaust pipe (2); an air supply fan (3), a heating wire (4), a dehumidifying filter element (5), a humidity sensor (6) and a first electromagnetic valve (7) are sequentially arranged in the air supply pipe (1) along the air flow direction, and an exhaust fan (8) is arranged in the exhaust pipe (2); the air supply pipe (1) is communicated with the exhaust pipe (2) through a connecting pipe (9), an air inlet of the connecting pipe (9) is arranged between the dehumidifying filter element (5) and the first electromagnetic valve (7), and an air outlet of the connecting pipe (9) is arranged between the air inlet of the exhaust pipe (2) and the exhaust fan (8).

2. A ventilation system for an air-raid basement according to claim 1, characterized in that the connecting pipe is provided with a second solenoid valve (10) in the middle.

3. A ventilation system of an air-protection basement according to claim 1, characterized in that the dehumidifying filter element (5) is an activated carbon filter element.

4. The ventilation system of an air-defense basement according to claim 1 is characterized in that both the air inlet of the air supply pipe (1) and the air outlet of the air outlet pipe (2) are provided with louvers (11).

5. The ventilation system of an air-defense basement according to claim 1, further comprising an outer case (12), wherein the blast pipe (1), the exhaust pipe (2), the air supply fan (3) and the exhaust fan (8) are all disposed in the outer case (12).

6. The ventilation system of an air-defense basement according to claim 1 further comprising an air supply extension tube (13) and an air exhaust extension tube (14), wherein an air inlet of the air exhaust extension tube (14) is located below an air outlet of the air supply extension tube (13).