Ventilation system of underground building

Abstract

The utility model relates to the technical field of underground building ventilation, in particular to a ventilation system of an underground building, which comprises a ventilation pipe, a ventilation hole is arranged in the ventilation pipe, the ventilation pipe is provided with a cover plate at the top of the ventilation hole, a plurality of groups of connecting rods are fixedly arranged on the periphery of the bottom of the cover plate at intervals, and the top of the ventilation pipe is provided with grooves matched with the connecting rods. According to the underground building ventilation device, the protective net is arranged at the bottom of the cover plate, so that a gap between the cover plate and the ventilation pipe can be shielded by the protective net during ventilation, external sundries are prevented from entering an underground building, and the underground building ventilation device has the advantages that the underground building ventilation device is simple in structure, convenient to use and high in practicability. And the cleanliness and safety of the interior of the underground building are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of ventilation of underground buildings, in particular to a ventilation and air exchange system for underground buildings. BACKGROUND

[0002] At present, the structure of most large-scale building main projects will extend to the underground to form a basement, and the basement is mainly used as a parking lot and equipment room. The construction of the underground building part often involves ventilation and air exchange. Therefore, a ventilation and air exchange device is generally arranged at the ventilation opening in the existing underground building to achieve ventilation and air exchange in the underground building.

[0003] In the utility model with the publication number CN219281173U, a ventilation and lighting well for underground buildings is disclosed, which comprises a frame, the frame comprises a rectangular frame at the bottom and a conical frame at the top, light panels are embedded and installed around the conical frame, and solar cells are embedded and installed at the top of the conical frame, waterproof shutters are movably installed around the rectangular frame, and a driving device for driving the waterproof shutters to rotate is arranged on the inner side of the rectangular frame. According to the utility model, the light panels are embedded around the conical frame, the light panels around the conical frame are used for lighting the underground building, the light collection amount is improved, the lighting effect is good, the solar cells arranged at the top provide power for the driving device, when it is necessary to improve the ventilation amount, the driving device opens the waterproof shutters arranged around the rectangular frame, thereby improving the ventilation amount, and the ventilation effect is greatly improved. In addition, the overall structure is simple, convenient to install and manufacture, and low in production cost.

[0004] The frame is arranged in the device, the frame comprises a rectangular frame, and waterproof shutters are installed around the rectangular frame. When ventilation is performed, ventilation is performed through the waterproof shutters on the rectangular frame, and the waterproof shutters are driven by the driving device to rotate, so as to adjust the ventilation amount. However, when the waterproof shutters are rotated and opened to perform ventilation, foreign matters outside are easy to enter the frame through the gap between the shutters and the frame, and then enter the building, so that the safety is not high. UTILITY MODEL CONTENTS

[0005] In view of the problem of low safety in the prior art, the utility model provides a ventilation and air exchange system for underground buildings.

[0006] Therefore, the utility model adopts the following specific technical solutions:

[0007] The utility model provides a ventilation and air exchange system for underground buildings, which comprises a ventilation pipe, a ventilation hole is arranged in the ventilation pipe, a cover plate is arranged at the top of the ventilation hole, a plurality of groups of connecting rods are fixedly arranged at the bottom of the cover plate in a spaced manner, a groove matched with the connecting rods is arranged at the top of the ventilation pipe, the connecting rods are slidably arranged in the groove, a protective net is fixedly arranged at the bottom of the cover plate, and the outer side of the protective net abuts against the inner wall of the ventilation hole.

[0008] The driving mechanism is arranged in the ventilation pipe;

[0009] The auxiliary mechanism is arranged in the ventilation pipe.

[0010] Preferably, the driving mechanism includes an electric push rod, the ventilation pipe is provided with a mounting groove at the bottom of the groove, and the electric push rod is fixedly arranged in the mounting groove; the output shaft of the electric push rod is fixedly connected with the bottom end of the connecting rod; the electric push rod is started by the external control terminal, so that the output shaft of the electric push rod drives the connecting rod to slide, and then drives the cover plate to move up and down, which is convenient to operate.

[0011] Preferably, the auxiliary mechanism includes a mounting frame, a motor and a fan blade; the mounting frame is arranged in the ventilation hole and fixedly connected with the ventilation pipe; the fan blade is arranged at the bottom of the mounting frame and rotatably connected with the mounting frame; the motor is fixedly arranged at the top of the mounting frame; the output shaft of the motor is fixedly connected with the fan blade; when auxiliary ventilation is needed, the motor on the mounting frame is started by the external control terminal, so that the motor drives the fan blade at the bottom to rotate through the output shaft, and then the fan blade assists in ventilating and aerating the underground building, improving the ventilation effect.

[0012] Preferably, the electric push rod is arranged in multiple groups and is arranged at intervals around the ventilation pipe, so that multiple-point synchronous lifting control of the cover plate is realized by arranging multiple groups of electric push rods, and the stability of the cover plate lifting is ensured.

[0013] Preferably, the width of the cover plate is greater than the width of the ventilation pipe; the width of the cover plate is greater than the width of the opening of the ventilation pipe, so that the cover plate can shield the top opening of the ventilation hole in the horizontal direction, avoiding rainwater from entering the ventilation hole in rainy weather.

[0014] Preferably, the cover plate is provided with a light hole aligned with the ventilation hole, and the cover plate is fixedly provided with a light plate at the light hole; the light plate further realizes supplementary lighting of the underground building through the ventilation hole, improving the lighting of the underground building.

[0015] Preferably, the height of the protective net is greater than the height of the connecting rod, so as to avoid the protective net from being separated from the inner wall of the ventilation hole during the sliding process of the connecting rod, and ensure the protection effect.

[0016] The above technical scheme has the advantages that:

[0017] The utility model discloses a ventilation pipe is provided with ventilation hole, and the top of ventilation pipe is provided with the cover plate of ventilation hole, and the bottom of cover plate is provided with a plurality of connecting rods, and the top of ventilation pipe is provided with the groove matched with connecting rod, and connecting rod is slidably arranged in the groove, and the bottom of cover plate is fixedly provided with the protective net, and the outer side of protective net abuts with the inner wall of ventilation hole, and the bottom of cover plate is provided with the protective net, and the gap between cover plate and ventilation pipe can be shielded by protective net when ventilating, and the foreign matter in outside can be prevented from entering underground building, and the cleanness and safety of underground building can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Fig. 1 The structure of the utility model is shown in the schematic diagram;

[0020] Fig. 2 The structure of the utility model is shown in the schematic diagram;

[0021] Fig. 3 The structure of the utility model is shown in the schematic diagram.

[0022] Among them: ventilation pipe 1, ventilation hole 101, groove 102, cover plate 2, connecting rod 3, electric push rod 4, mounting bracket 5, motor 6, fan blade 601, protective net 7, light panel 8. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0024] As Figs. 1-3The utility model discloses an underground building's ventilation system, including ventilation pipe 1, drive mechanism and auxiliary mechanism, be equipped with ventilation hole 101 in ventilation pipe 1, ventilation pipe 1 is provided with the cover plate 2 at the top of ventilation hole 101, the periphery interval fixed setting of cover plate 2 bottom has multiple groups of connecting rod 3, the top of ventilation pipe 1 is equipped with the recess 102 with the connecting rod 3 matching, and the connecting rod 3 is slidably arranged in the recess 102, the bottom of cover plate 2 is fixedly provided with the protective net 7, and the outer side of protective net 7 abuts with the inner wall of ventilation hole 101, drive mechanism is arranged in ventilation pipe 1, and auxiliary mechanism is arranged in ventilation pipe 1.

[0025] In at least one embodiment, the drive mechanism includes an electric push rod 4, and the ventilation pipe 1 is provided with a mounting groove at the bottom of the recess 102. The electric push rod 4 is fixedly arranged in the mounting groove. The output shaft of the electric push rod 4 is fixedly connected to the bottom end of the connecting rod 3. The staff starts the electric push rod 4 through the external control terminal, so that the output shaft of the electric push rod 4 drives the connecting rod 3 to slide, and then drives the cover plate 2 to move up and down, which is convenient to operate.

[0026] In at least one embodiment, the auxiliary mechanism includes a mounting bracket 5, a motor 6, and a fan blade 601. The mounting bracket 5 is located in the ventilation hole 101 and is fixedly connected to the ventilation pipe 1. The fan blade 601 is located at the bottom of the mounting bracket 5 and is rotatably connected to the mounting bracket 5. The motor 6 is fixedly arranged at the top of the mounting bracket 5. The output shaft of the motor 6 is fixedly connected to the fan blade 601. When auxiliary ventilation is needed, the staff starts the motor 6 on the mounting bracket 5 through the external control terminal, so that the motor 6 drives the fan blade 601 at the bottom to rotate through the output shaft, and then assists in ventilating and exchanging air for the underground building through the fan blade 601, improving the ventilation effect.

[0027] In at least one embodiment, the electric push rod 4 is arranged as multiple groups and is arranged at the periphery of the ventilation pipe 1. Multiple groups of electric push rods 4 are arranged to realize multi-point synchronous lifting control of the cover plate 2, ensuring the stability of the lifting of the cover plate 2.

[0028] In at least one embodiment, the width of the cover plate 2 is greater than the width of the ventilation pipe 1. The width of the cover plate 2 is greater than the width of the opening of the ventilation pipe 1, so that the cover plate 2 can shield the top opening of the ventilation hole 101 in the horizontal direction, avoiding rainwater from entering the ventilation hole 101 in rainy weather.

[0029] In at least one embodiment, the cover plate 2 is provided with a light hole aligned with the ventilation hole 101. The cover plate 2 is fixedly provided with a light plate 8 at the light hole. The light plate 8 is arranged to further realize the supplementary lighting of the ventilation hole 101 for the interior of the underground building, improving the lighting of the underground building.

[0030] In at least one embodiment, the height of the protective net 7 is greater than the height of the connecting rod 3, so as to avoid the protective net 7 from being separated from the inner wall of the ventilation hole 101 during the sliding of the connecting rod 3, and to ensure the protection effect.

[0031] During the ventilation operation of the underground building, the ventilation pipe 1 is installed at the ventilation opening of the underground building, the ventilation hole 101 in the ventilation pipe 1 is communicated with the internal space of the underground building, then the external airflow enters the ventilation hole 101 through the gap between the cover plate 2 and the ventilation pipe 1, and then enters the building interior to ventilate and exchange air. The protective net 7 at the bottom of the cover plate 2 can shield the gap between the cover plate 2 and the ventilation pipe 1 during the ventilation and air exchange, so as to avoid the external impurities from entering the ventilation pipe 1, to ensure the safety and cleanliness of the building, and to improve the safety of the underground building. The connecting rod 3 fixedly arranged outside the protective net 7 at the bottom of the cover plate 2 can protect the protective net 7 from being damaged by the outside, to further improve the safety. The connecting rod 3 can be driven by the driving mechanism to move up and down along the groove 102, so as to drive the cover plate 2 to close and open at the ventilation hole 101. The worker can adjust the opening and closing state and the opening height of the cover plate 2 according to the ventilation demand, which is convenient to operate. The worker can assist the ventilation through the auxiliary mechanism on the ventilation pipe 1, to improve the ventilation efficiency of the underground building, which is convenient to operate.

[0032] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not drive the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A ventilation system for an underground structure, characterised in that: The utility model relates to a ventilation pipe with a ventilation hole, a cover plate at the top of the ventilation hole, a plurality of sets of connecting rods fixedly arranged around the bottom of the cover plate, a groove at the top of the ventilation pipe matched with the connecting rods, the connecting rods slidingly arranged in the groove, a protective net fixedly arranged at the bottom of the cover plate, the outer side of the protective net abutting against the inner wall of the ventilation hole. The utility model further comprises a driving mechanism arranged in the ventilation pipe. The utility model further comprises an auxiliary mechanism arranged in the ventilation pipe. The driving mechanism comprises an electric push rod, an installation groove arranged in the ventilation pipe, the installation groove being located at the bottom of the groove, the electric push rod being fixedly arranged in the installation groove, and the output shaft of the electric push rod being fixedly connected with the bottom end of the connecting rod.

2. A ventilation system for an underground structure according to claim 1, wherein: The auxiliary mechanism comprises a mounting bracket, a motor and a fan blade, the mounting bracket being located in the ventilation hole and fixedly connected with the ventilation pipe, the fan blade being located at the bottom of the mounting bracket and rotatably connected with the mounting bracket, the motor being fixedly arranged at the top of the mounting bracket, and the output shaft of the motor being fixedly connected with the fan blade.

3. A ventilation system for an underground structure according to claim 1, wherein: The electric push rod is arranged in multiple sets and is arranged around the ventilation pipe.

4. A ventilation system for an underground structure according to claim 2, wherein: The width of the cover plate is greater than the width of the ventilation pipe.

5. An air ventilation system for an underground structure according to claim 1, wherein: The cover plate is provided with a light hole aligned with the ventilation hole, and the cover plate is fixedly provided with a light plate at the light hole.

6. A ventilation system for an underground structure according to claim 5, wherein: The height of the protective net is greater than the height of the connecting rod.

7. A ventilation system for an underground structure according to claim 1, wherein: ​

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