CN211781765U

CN211781765U - A ventilation system that is used for humidifying of underground space to purify

Info

Publication number: CN211781765U
Application number: CN202020463409.8U
Authority: CN
Inventors: 苏辉; 谭可可; 涂江峰; 丁茹; 胡兆颖
Original assignee: PLA Rocket Force Engineering Design Research Institute
Current assignee: PLA Rocket Force Engineering Design Research Institute
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-10-27
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses a ventilation system for humidifying and purifying underground space, which comprises at least one air inlet pipe, at least one air outlet pipe, an airflow driving device and a humidifying material, wherein the air inlet pipe and the air outlet pipe are arranged inside the underground space and are opposite to each other in position, and the air inlet pipe and the air outlet pipe are respectively provided with a plurality of air inlets and air outlets communicated with the underground space; the air flow driving device comprises a fresh air main pipe, an exhaust main pipe, a fresh air fan and an exhaust fan, wherein the air inlet pipe is connected with the fresh air main pipe through a first fresh air branch pipe, and the air outlet pipe is connected with the exhaust main pipe through a first exhaust branch pipe; the humidity control material is water-absorbent resin and is arranged on one or two of the wall surface, the ground surface or the top in the underground space. The utility model discloses utilize the humidifying board to absorb moisture and adsorb harmful gas, cooperation air current drive arrangement and air-supply line, go out gaseous and outside gaseous exchange in the tuber pipe drive underground space, the energy consumption is low and efficient.

Description

A ventilation system that is used for humidifying of underground space to purify

Technical Field

The utility model relates to an underground ventilation technical field especially relates to a ventilation system that is used for humidifying of underground space to purify.

Background

The underground space is developed and utilized as a new resource, and is a development trend in China. Underground spaces have many advantages over interior spaces of ground buildings: the temperature is constant, and heat insulation and heat storage can be better realized; the earthquake resistance is strong; the concealment is good, and the damage of weapons can be resisted and resisted; the air tightness, the shielding property and the sound insulation property are good, and the effect of protecting the environment can be achieved; has good underground water retention; the land is saved; the space excavation has great flexibility; can be comprehensively utilized. However, the underground space also has the defects of no sunlight inside, small temperature difference, large humidity, confined and depressed space, difficult air circulation, uncomfortable personnel movement, enhanced environmental noise level, rapid microorganism propagation and the like.

The underground space environment protection aims at providing healthThe air quality mainly comprises that the temperature, the humidity, the air cleanliness, the air age and the like of the air meet the requirements, and radon gas and CO are contained in the position₂Peculiar smell, VOC and other harmful gases can be removed in time. And the rock, soil or building material outside the underground space continuously diffuses moisture, radon gas and other harmful gases into the space through the wall. In order to meet the air quality requirement of the underground space, the prior art generally adopts a ventilation system to ventilate the underground space, so that the energy consumption is high, and the efficiency of improving the air quality is low.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a ventilation system that is used for humidifying of underground space to purify with low, efficient energy consumption.

In order to achieve the above object, on the one hand, the utility model adopts the following technical scheme:

a ventilation system for humidifying and purifying an underground space comprises at least one air inlet pipe, at least one air outlet pipe, an airflow driving device and a humidifying material, wherein the air inlet pipe and the air outlet pipe are distributed in the underground space and are opposite to each other in position, and the air inlet pipe and the air outlet pipe are respectively provided with a plurality of air inlets and air outlets communicated with the underground space;

the air flow driving device comprises a fresh air main pipe, an exhaust main pipe, a fresh air fan and an exhaust fan, wherein the air inlet pipe is connected with the fresh air main pipe through a first fresh air branch pipe, and the air outlet pipe is connected with the exhaust main pipe through a first exhaust branch pipe;

the humidity control material is water-absorbent resin and is arranged on one or two of the wall surface, the ground surface or the top in the underground space.

The air inlet pipe and the air outlet pipe can adopt two arrangement modes in the underground space. Optionally, the air inlet pipe and the air outlet pipe are arranged on the upper portion of the underground space, the air inlet pipe is located in the middle of the underground space in the horizontal direction of the underground space, the air outlet pipe surrounds the periphery of the underground space, and the air inlet and the air outlet face the lower portion of the underground space.

Optionally, the air inlet pipe and the air outlet pipe are arranged on the upper portion of the underground space, the air outlet pipe is located in the middle of the underground space in the horizontal direction of the underground space, the air inlet pipe surrounds the periphery of the underground space, and the air inlet and the air outlet face the lower portion of the underground space.

The fresh air fan is arranged on the pipeline of the fresh air main pipe, and the exhaust fan is arranged on the pipeline of the exhaust air main pipe. The air inlet pipe is connected with the air exhaust main pipe through a second air exhaust branch pipe, and the air outlet pipe is connected with the fresh air main pipe through a second fresh air branch pipe, so that the direction of air flow in the air inlet pipe and the direction of air flow in the air outlet pipe can be changed.

The humidity control material is water-absorbent resin, has the characteristics of absorbing and storing moisture and releasing moisture under the action of fresh air, and can adjust and balance the moisture load in the underground engineering space. The humidity conditioning material can be a solid structure and is directly installed inside the underground engineering space, for example, the humidity conditioning material is a plate-shaped, sheet-shaped, honeycomb-shaped or other-shaped structure. The humidity-controlling material can also be in the form of paint, and is brushed or directly brushed inside the underground engineering space after being mixed with a cement base material or wall paint.

Preferably, the humidity control material is a humidity control plate and is arranged close to the wall surface of the underground space, a predetermined distance is reserved between the humidity control plate and the wall surface of the underground space, so that an airflow circulation channel is formed between the humidity control plate and the wall surface of the underground space, and the air inlet and the air outlet are arranged towards the airflow circulation channel.

Preferably, the predetermined distance is 15 to 25 mm.

Preferably, the ventilating system includes a bracket for supporting the humidifying plate, and the humidifying plate is detachably mounted on the bracket. The support forms into frame construction, frame construction forms a plurality of openings, and one can all be installed to every opening the humidifying board, every open-ended border all is provided with connection structure for with the humidifying board forms can dismantle the connection.

Preferably, one side of the humidifying plate is hinged with the frame of the bracket through a damping shaft, so that the angle of the humidifying plate and the bracket can be changed, and the flow path of the airflow is prolonged.

Preferably, the height difference between the top end of the frame structure of the support and the arch line of the underground space is 450 to 550 mm;

the height difference between the bottom end of the frame structure of the support and the bottom surface of the underground space is 250 to 350 mm.

Preferably, ventilation system includes controlling means, and controlling means includes temperature and humidity sensor, radon gas sensor, a plurality of control valve, a plurality of manual regulation valve and centralized control ware, centralized control ware with temperature and humidity sensor, radon gas sensor, control valve, new fan and exhaust fan signal connection for according to the detected value control of temperature and humidity sensor and radon gas sensor the amount of wind of new fan and exhaust fan.

The control valves are arranged on the first fresh air branch pipe, the second fresh air branch pipe, the first exhaust branch pipe and the second exhaust branch pipe; the manual regulating valve is arranged on the air inlet pipe and the air outlet pipe.

The utility model provides a ventilation system for humidifying of underground space purifies's beneficial effect does:

1. the humidity regulating plate is used for absorbing moisture and harmful gases, and the air flow driving device, the air inlet pipe and the air outlet pipe are matched to drive the exchange of the gases in the underground space and the external gases, so that the energy consumption is low and the efficiency is high;

2. when the humidifying plate reaches saturation, the humidifying plate can be detached from the support and conveyed to the ground to be dehumidified and the harmful gas is diffused, so that the humidifying plate is convenient to install and easy to regenerate, and the cost is saved.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.

Fig. 1 is a plan view showing one form of a ventilation system for humidity conditioning purification of an underground space according to an embodiment of the present invention;

FIG. 2 shows the gas flow diagram of FIG. 1;

FIG. 3 is a schematic view showing the flow of air in another form of the humidity conditioning and purifying ventilation system for an underground space according to the embodiment of the present invention;

FIG. 4 shows a cross-sectional view A-A of FIG. 1;

fig. 5 is a schematic structural view illustrating a humidity control plate according to an embodiment of the present invention in a deployed state;

fig. 6 is another schematic structural diagram of a humidity conditioning plate according to an embodiment of the present invention;

fig. 7 shows a cross-sectional view of a humidity conditioning plate spliced together according to an embodiment of the present invention.

In the figure:

1-an air inlet pipe, 101-an air inlet, 2-an air outlet pipe, 201-an air outlet, 3-a fresh air main pipe, 4-an air exhaust main pipe, 5-a first fresh air branch pipe, 6-a second fresh air branch pipe, 7-a first air exhaust branch pipe, 8-a second air exhaust branch pipe, 9-a first control valve, 10-a second control valve, 11-a third control valve, 12-a fourth control valve, 13-a first manual regulating valve, 14-a second manual regulating valve, 15-a third manual regulating valve, 16-a bracket, 17-a humidity regulating plate, 18-an integrated controller, 19-a temperature and humidity sensor and 20-a radon gas sensor.

Detailed Description

The present invention is described below based on embodiments, and it is understood by those of ordinary skill in the art that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".

The utility model provides a ventilation system that the energy consumption that exists to the ventilation system of current underground space is big and improve the efficiency of air quality is lower, this application provides a ventilation system that is used for the humidifying of underground space to purify, as shown in figure 1, ventilation system is including setting up at least one air-supply line 1, at least one play tuber pipe 2, air current drive arrangement and humidifying material in the underground space, air-supply line 1 and play tuber pipe 2 arrange inside the underground space, and the position is relative each other, and air-supply line 1 and play tuber pipe 2 are provided with a plurality of air intakes 101 and air outlets 102 that communicate with the underground space respectively, and outer space accessible air intake 101 and air outlet 102 communicate with the underground space.

The airflow driving device comprises a fresh air main pipe 3, an exhaust main pipe 4, a fresh air fan and an exhaust fan, wherein the air inlet pipe 1 is connected with the fresh air main pipe 3 through a first fresh air branch pipe 5, and the air outlet pipe 2 is connected with the exhaust main pipe 4 through a first exhaust branch pipe 7. The airflow driving device is used for driving the air in the air inlet pipe 1 and the air outlet pipe 2 to flow, the airflow directions in the air inlet pipe 1 and the air outlet pipe 2 are opposite, the air inlet pipe 1 conveys fresh air to the underground space, and the air outlet pipe 2 exhausts the air. Thus, airflow is formed between the air inlet pipe 1 and the air outlet pipe 2, and the arrangement positions of the air inlet pipe 1 and the air outlet pipe 2 in the underground space can be changed.

The humidity control material is water-absorbent resin and is arranged on one or two of the wall surface, the ground surface or the top in the underground space. The humidity control material is arranged on the flow path of the airflow. The humidity control material is preferably a humidity control plate 17, and the humidity control plate 17 is a water absorbent resin plate, preferably a salt-containing water absorbent resin. The humidifying plate 17 is detachably provided on the bracket 16. Humidity control board 17 is close to the lateral wall setting of underground space, so, humidity control board 17 can adsorb harmful gas such as moisture content and radon gas that underground space's wall gived off, and humidity control board 17 sets up on the air current flow path to utilize the air current to take out and discharge underground space with humidity and the harmful gas that humidity control board 17 adsorbs.

The airflow driving device is constructed to change the airflow flowing directions in the air inlet pipe 1 and the air outlet pipe 2, namely, the airflow directions in the two pipelines can be changed without changing the positions of the air inlet pipe 1 and the air outlet pipe 2, so that the air inlet and the air outlet of the two pipelines are changed. Thus, the air flow of the air inlet pipe 1 and the air outlet pipe 2 can be controlled to flow according to the mode shown in fig. 2, namely, the air inlet pipe 1 is positioned in the middle of the underground space, the air outlet pipe 2 is arranged around the periphery of the underground space, and the air inlet 101 and the air outlet 201 face the lower part of the underground space so as to utilize the humidity regulating plate 17 to adsorb moisture and harmful gases; then, the air flows of the air inlet pipe 1 and the air outlet pipe 2 are controlled to flow according to the mode shown in fig. 3, namely, the air outlet pipe 2 is located in the middle of the underground space, the air inlet pipe 1 is arranged around the periphery of the underground space, and the air inlet 101 and the air outlet 201 face the lower side of the underground space, so that moisture and harmful gas in the humidity adjusting plate 17 are released and discharged, and therefore, the humidity adjusting efficiency can be effectively improved, and the energy consumption is reduced.

In addition, because the humidifying plate 17 is detachably arranged on the support 16, when the humidifying plate 17 is saturated, namely the humidifying plate 17 cannot realize moisture absorption and release balance or harmful gas is not easy to eliminate, the humidifying plate 17 can be detached from the support 16 and sent to the ground for moisture release and harmful gas diffusion, the installation is convenient and fast, the regeneration is easy, and the cost is saved.

In order to ensure that the gas in the underground space can be sufficiently replaced with the fresh air in the external space, the air inlet pipe 1 and the air outlet pipe 2 are arranged to be separated from each other as much as possible, so that the humidity control plate 17 needs to be arranged in the middle of the underground space to facilitate moisture absorption and moisture removal, in order to ensure that the underground space is sufficiently utilized and the moisture absorption and moisture removal of the humidity control plate 17 are ensured, preferably, the air inlet pipe 1 and the air outlet pipe 2 are arranged on the upper portion of the underground space, in the horizontal direction of the underground space, referring to fig. 2, the air inlet pipe 1 is arranged in the middle of the underground space, the air outlet pipe 2 is arranged around the underground space, the air inlet 101 is arranged on the lower portion of the air inlet pipe 1, and the air outlet 201 is arranged on the lower portion of the air outlet pipe 2, so that on one hand, the gas in the underground space can be sufficiently replaced with the fresh air outside, and on the other hand, the humidity control plate 17, thereby obtaining a greater effective use of space. Referring to fig. 3, the air outlet pipe 2 is located in the middle of the underground space, and the air inlet pipe 1 is arranged around the underground space.

As shown in fig. 2 and 3, the humidity control plate 17 is disposed near and preferably parallel to the side wall of the underground space, and a predetermined distance is provided between the humidity control plate 17 and the side wall of the underground space, so as to form an airflow circulation channel between the humidity control plate 17 and the side wall of the underground space, the air inlet pipe 1 or the air outlet pipe 2 is located above the humidity control plate 17, and the air inlet 101 or the air outlet 201 is disposed toward the airflow circulation channel. Thus, when the air inlet pipe 1 is arranged in the middle and the air outlet pipes 2 are arranged around the air inlet pipe 1, as shown in fig. 2, the air inlet pipe 1 supplies air upwards from the central position of the underground space, the air outlet pipes 2 around the underground space discharge air upwards, the air flow is divided into air flow circulation channels around from the middle to the periphery and flows upwards along the air flow circulation channels, and is discharged from the air outlet 201 on the air outlet pipes 2, so that the moisture content absorbed and stored by the humidity adjusting plate 17 is reduced, and the harmful gas is emitted into the space; and when the air outlet pipe 2 is arranged in the middle and the air inlet pipes 1 are arranged around the air outlet pipe 2, as shown in fig. 3, the air outlet pipe 2 exhausts air from the central position of the underground space, the air inlet pipes 1 around the underground space supply air upwards, fresh air is pressed into an air flow channel formed between the humidity control plate 17 and the side wall of the underground space, most of moisture and part of harmful gas absorbed and stored by the humidity control plate are diffused outwards and downwards to the space through the humidity control plate 17 and exhausted out through the air outlet pipe 2 arranged in the central position of the underground space. Therefore, the humidity in the humidity control plate 17 and the flowing direction and the diffusion efficiency of the harmful gas can be greatly enhanced, and the control capability of the temperature, the humidity and the concentration of the harmful gas in the underground space can be enhanced.

The predetermined distance between the humidity control plate 17 and the underground space cannot be too large or too small, and both the too large and too small influence the air flow rate entering the airflow flow channel and further influence the moisture content in the humidity control plate 17 and the emission of harmful gases, and preferably, the predetermined distance is 15 to 25mm, and more preferably 20 mm. Thus, air circulation can be facilitated, and the moisture content in the humidity control plate 17 and the flow direction and diffusion rate of the harmful gas can be easily controlled, thereby enhancing the controllability of the system.

The humidity control plate 17 can be a whole block, and in order to facilitate assembly and disassembly, preferably, as shown in fig. 4, the support 16 is formed into a frame structure and comprises a plurality of cross beams and a plurality of longitudinal beams, so that the frame structure forms a plurality of openings, and each opening can be provided with one humidity control plate 17, so that the humidity control plate 17 can be conveniently manufactured in a modularized manner, and the universality of the humidity control plate 17 is improved. The thickness of the humidity control plate 17 is preferably 15 to 25mm, more preferably 20mm, and the specification may be, for example, 2m × 1m (L × H) or 1m × 1m (L × H).

The edge of each opening is provided with a connecting structure for forming detachable connection with the humidity control plate 17. The connection structure may be, for example, a snap structure, and the humidity control plate 17 is snap-connected to the frame structure by the snap structure.

The height difference between the top end of the frame structure and the arch line of the underground space is 450 to 550mm, and more preferably 500 mm;

the height difference between the bottom end of the frame structure and the bottom surface of the underground space is 250 to 350mm, and more preferably 300 mm.

Because be closer to the air supply more, atmospheric pressure is big more, be favorable to scattering and disappearing of moisture and harmful gas more, in order to guarantee the life of each humidity control board 17, be convenient for unify and change, preferably, set up frame construction into the structure that can overturn from top to bottom, and the thickness of each humidity control board 17 is different from top to bottom, thereby make the whole board that each humidity control board 17 splices into from top to bottom thickness change gradually, refer to figure 5, when air-supply line 1 is at the middle part, go out tuber pipe 2 when all around, control the position of frame construction and make the whole board that each humidity control board 17 splices into from top to bottom thickening gradually, and when going out tuber pipe 2 at the middle part, air-supply line 1 is when all around, control the position of frame construction and make the whole board that each humidity control board 17 splices into from top to bottom attenuate.

In order to improve the contact time between the air flow and the humidity control plate 17 and thus facilitate the dissipation of the moisture and the harmful gas in the humidity control plate 17, the arrangement of the humidity control plate 17 may be arranged, for example, as shown in fig. 6, one side of the humidity control plate 17 is hinged to the frame structure through a damping shaft, so that the angle between the humidity control plate 17 and the frame structure may be adjusted, and the upper and lower adjacent humidity control plates 17 are respectively inclined to different directions, thereby extending the flow path of the air flow, and for another example, as shown in fig. 7, the adjacent humidity control plates 17 are staggered from each other in the transverse direction, thereby forming a tortuous air flow path, thereby improving the diffusion efficiency of the moisture and the harmful gas in the humidity control plate 17.

In one embodiment, as shown in fig. 1, the airflow driving device includes a fresh air main pipe 3, a fresh air blower for driving air in the fresh air main pipe 3 to flow, an exhaust air main pipe 4, and an exhaust air blower for driving air in the exhaust air main pipe 4 to flow, wherein the fresh air blower is disposed on a pipeline of the fresh air main pipe, and the exhaust air blower is disposed on a pipeline of the exhaust air main pipe. The air inlet pipe 1 is connected with a fresh air main pipe 3 through a first fresh air branch pipe 5, and the air outlet pipe 2 is connected with an air exhaust main pipe 4 through a first air exhaust branch pipe 7. The air inlet pipe 1 is connected with the air exhaust main pipe 4 through the second air exhaust branch pipe 8, the air outlet pipe 2 is connected with the fresh air main pipe 3 through the second fresh air branch pipe 6, and therefore the direction of air flow in the air inlet pipe 1 and the direction of air flow in the air outlet pipe 2 can be changed.

Ventilation system includes controlling means, and controlling means includes temperature and humidity sensor 19, radon gas sensor 20, a plurality of control valve, a plurality of manual regulation valve and centralized control ware 18, centralized control ware 18 with temperature and humidity sensor 19, radon gas sensor 20, control valve, new fan and exhaust fan signal connection for according to the detected value control of temperature and humidity sensor and radon gas sensor the amount of wind of new fan and exhaust fan.

The first fresh air branch pipe 5 is provided with a first control valve 9, the first exhaust branch pipe 7 is provided with a second control valve 10, the second exhaust branch pipe 8 is provided with a third control valve 11, and the second fresh air branch pipe 6 is provided with a fourth control valve 12. The air inlet pipe 1 is provided with a second manual regulating valve 14, and pipelines at two sides of the air outlet pipe 2 are respectively provided with a first manual regulating valve 13 and a second manual regulating valve 15.

Thus, when the integrated controller 18 controls the first control valve 9 and the second control valve 10 to open and controls the third control valve 11 and the fourth control valve 12 to close, the central air inlet pipe 1 sends fresh air into the underground space, and the peripheral air outlet pipes 2 discharge air in the underground space; when the integrated controller 18 controls the first control valve 9 and the second control valve 10 to close and controls the third control valve 11 and the fourth control valve 12 to open, the surrounding air inlet pipes 1 send fresh air into the underground space, and the middle air outlet pipe 2 discharges air in the underground space. A first manual regulating valve 13, a second manual regulating valve 14 and a second manual regulating valve 15 may also be utilized for manual regulation.

In an alternative embodiment, instead of providing each branch, the fresh air trunk and the exhaust air trunk, a first bidirectional blower and a second bidirectional blower may be provided, the first bidirectional blower is used for driving the air in the air inlet pipe 1 to flow, and the second bidirectional blower is used for driving the air in the air outlet pipe 2 to flow, so that the flow directions of the air in the air inlet pipe 1 and the air outlet pipe 2 can be controlled by the first bidirectional blower and the second bidirectional blower respectively, and the structure is simpler.

Furthermore, a temperature and humidity sensor 19 and a radon gas sensor 20 are arranged in the underground space, the integrated controller 18 is in signal connection with the temperature and humidity sensor 19 and the radon gas sensor 20, and the integrated controller 18 controls the air volume of the fresh air fan and the exhaust fan according to the detection values of the temperature and humidity sensor 19 and the radon gas sensor 20. Specifically, when the radon gas concentration in the space is high, the temperature and humidity in summer is high or the temperature and humidity in winter is low, the fresh air fan and the exhaust fan are controlled to increase the fresh air exhaust amount, otherwise, the fresh air exhaust amount is reduced, and therefore the concentration of harmful gases such as the temperature and humidity in the underground space and the radon gas is guaranteed to be accurately controllable.

The ventilation system can realize function conversion in summer and winter, and particularly, in summer and part of spring and autumn (external air humidity is high), fresh air is sent into an underground space after being subjected to deep dehumidification treatment (the moisture content of the air supply is lower than the moisture content required in the space), the air inlet pipe 1 is arranged in the center of the underground space for supplying air upwards, the air outlet pipe 2 is arranged to be attached to the walls on two sides for exhausting air upwards, a small part of moisture content and part of harmful gas absorbed and stored by the humidity adjusting plate 17 flow upwards mainly through a gap between the humidity adjusting plate 17 and the walls, and are absorbed and exhausted timely by the air outlet 201 arranged attached to the walls, so that the moisture content and the harmful gas absorbed and stored by the humidity adjusting plate 17 are reduced to be emitted into the space; fresh air is not humidified in winter and part of spring and autumn (external air humidity is low), dried fresh air is sent into an underground space after temperature adjustment, an air outlet pipe 2 is arranged at the central position of the underground space to exhaust air upwards, an air inlet pipe 1 is arranged by being attached to two side walls to supply air upwards, the dried air is pressed into a gap between a humidity adjusting plate 17 and the side walls, most of moisture and part of harmful gas absorbed and stored by the humidity adjusting plate 17 are mainly diffused outwards or downwards into the space through the humidity adjusting plate 17, the moisture absorbed and stored by the humidity adjusting plate 17 is increased, the harmful gas is diffused, and the dried air is timely exhausted through the air outlet pipe 2 arranged at the central position of the underground space, so that the concentrations of harmful gases such as humidity, radon and the like in the underground space are ensured to be within an allowable range. Through the season function conversion of the new exhaust system, the emission amount of the moisture and the harmful gas absorbed and stored in the humidity control plate 17 to the room is reduced (summer and partial spring and autumn) or increased (winter and partial spring and autumn), and the temperature and humidity value in the room is maintained within the allowable range.

Of course, it is understood that the time information and the geographic position information may be acquired at the same time, and the relevant control may be performed in combination with the geographic position information.

Those skilled in the art will readily appreciate that the above-described preferred embodiments may be freely combined, superimposed, without conflict.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A ventilation system for humidifying and purifying an underground space is characterized by comprising at least one air inlet pipe, at least one air outlet pipe, an airflow driving device and a humidifying material, wherein the air inlet pipe and the air outlet pipe are distributed in the underground space and are opposite to each other in position, and the air inlet pipe and the air outlet pipe are respectively provided with a plurality of air inlets and air outlets communicated with the underground space;

2. The ventilation system of claim 1, wherein the air inlet pipe and the air outlet pipe are disposed at an upper portion of the underground space, the air inlet pipe is located at a middle portion of the underground space in a horizontal direction of the underground space, the air outlet pipe is disposed around the underground space, and the air inlet and the air outlet face a lower portion of the underground space.

3. The ventilation system of claim 2, wherein the air inlet pipe and the air outlet pipe are disposed at an upper portion of the underground space, the air outlet pipe is located at a middle portion of the underground space in a horizontal direction of the underground space, the air inlet pipe is disposed around the underground space, and the air inlet and the air outlet face a lower portion of the underground space.

4. The ventilation system of claim 3, wherein the fresh air blower is disposed on the pipeline of the fresh air main duct, the exhaust blower is disposed on the pipeline of the exhaust main duct, the intake duct is connected to the exhaust main duct through a second exhaust branch duct, and the exhaust duct is connected to the fresh air main duct through a second fresh air branch duct, so that the air flow directions in the intake duct and the exhaust duct can be changed.

5. The ventilation system according to claim 1, wherein the humidity conditioning material is a humidity conditioning plate and is disposed adjacent to the wall surface of the underground space with a predetermined distance therebetween to form an airflow communication passage between the humidity conditioning plate and the wall surface of the underground space.

6. The ventilation system of claim 5, wherein the predetermined distance is 15 to 25 mm.

7. The ventilation system of claim 4, wherein the ventilation system comprises a control device, the control device comprises a temperature and humidity sensor, a radon gas sensor, a plurality of control valves, a plurality of manual regulating valves and a centralized controller, and the centralized controller is in signal connection with the temperature and humidity sensor, the radon gas sensor, the control valves, the fresh air fan and the exhaust fan and is used for controlling the air volume of the fresh air fan and the exhaust fan according to the detection values of the temperature and humidity sensor and the radon gas sensor.

8. The ventilation system according to claim 7, wherein the control valves are provided on the first fresh air branch pipe, the second fresh air branch pipe, the first exhaust branch pipe, and the second exhaust branch pipe; the manual regulating valve is arranged on the air inlet pipe and the air outlet pipe.

9. The ventilation system of claim 5, comprising a bracket for supporting the humidifying plate, the humidifying plate being detachably mounted to the bracket.

10. The ventilation system of claim 9, wherein one side of the humidifying plate is hingedly connected to the frame of the bracket through a damping shaft, so that the angle of the humidifying plate to the bracket can be changed to extend the flow path of the air current.