CN112082244A

CN112082244A - Energy-saving efficient air interchanger for underground parking lot

Info

Publication number: CN112082244A
Application number: CN202010947183.3A
Authority: CN
Inventors: 邵国娟
Original assignee: Individual
Current assignee: Jiaxing Deji Machinery Design Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2020-12-15
Anticipated expiration: 2040-09-10
Also published as: CN112082244B

Abstract

The invention belongs to the field of underground engineering, and particularly relates to an energy-saving efficient air interchanger for an underground parking lot, which comprises an underground parking lot top plate, wherein a ventilation shaft communicated with the outside is arranged above the underground parking lot top plate, the upper end of the ventilation shaft is fixedly communicated with a horizontally arranged air guide pipe, two ends of the air guide pipe are arranged in a horn-shaped open manner, an air interchanger is fixedly arranged on the lower surface of the underground parking lot top plate, the bottom surface of the air interchanger is provided with an air inlet hole, the ventilation shaft is communicated with the inside of the air interchanger, the inner bottom surface of the air interchanger is rotatably connected with a rotary drum, an air exhaust fan is coaxially and fixedly sleeved outside the rotary drum, and the lower surface of the air interchanger. The invention can push the wing plate to move by the wind brought by the passing vehicle to promote the rotation of the air suction fan to form upward air suction force, has good ventilation effect, does not need to be provided with an electric driving device, saves energy and reduces cost.

Description

Energy-saving efficient air interchanger for underground parking lot

Technical Field

The invention belongs to the field of underground engineering, and particularly relates to an energy-saving and efficient air interchanger for an underground parking lot.

Background

Along with the development of the society, the construction of underground parking lots is brought into the planning of the whole city, the current situation and the development of the city are combined, the underground parking lots are matched with urban roads of different grades, the parking requirements of different scales are met, and the underground parking lots play a role in regulating and controlling the traffic of urban centers.

Because the vehicle frequently drives in and drives off in the underground parking garage, a large amount of automobile exhaust is discharged, be full of in the parking garage environment, cause serious harm to driver's health, need install effectual ventilation device, and there are two kinds most in current underground parking garage ventilation mode, one kind is natural draft's mode, the ventilation effect of this kind of mode is relatively poor, it is difficult to effectively reduce the content of harmful tail gas in the parking garage, another kind adopts the mode of mechanical forced air supply to go on, the electric energy consumption of this kind of mode is great, and the cost is higher.

Therefore, an energy-saving and efficient ventilation device for an underground parking lot is provided to solve the problems.

Disclosure of Invention

The invention aims to provide an energy-saving efficient ventilation device for an underground parking lot, which has good ventilation effect and aims to solve the problem that harmful tail gas easily accumulated in the parking lot harms the health of a driver.

In order to achieve the purpose, the invention adopts the following technical scheme: an energy-saving efficient air interchanger for an underground parking lot comprises an underground parking lot top plate, wherein a ventilation shaft communicated with the outside is arranged above the underground parking lot top plate, the upper end of the ventilation shaft is fixedly communicated with a horizontally arranged air guide pipe, two ends of the air guide pipe are arranged in a horn-shaped opening manner, an air interchanger is fixedly installed on the lower surface of the underground parking lot top plate, an air inlet is formed in the bottom surface of the air interchanger, the ventilation shaft is communicated with the inside of the air interchanger, the inner bottom surface of the air interchanger is rotatably connected with a rotary drum, an air exhaust fan is coaxially and fixedly sleeved outside the rotary drum, the lower surface of the air interchanger is fixedly connected with a horizontally arranged wing plate through a support spring, the upper surface of the wing plate is arranged in an upward arched arc shape, the lower surface of the wing plate is a horizontal plane, a threaded rod is fixedly connected to, the inner side wall of the rotary drum is provided with threads, and the rotary drum is in threaded fit with the threaded rod.

Preferably, a dust collecting net is arranged in the air inlet hole.

Preferably, the heating wire is installed on the inner side wall of the ventilation shaft, a spiral coil is wound on each fan blade of the air exhaust fan, two ends of each spiral coil are electrically connected with two ends of the heating wire respectively, and a permanent magnet is fixedly connected to the inner side wall of the ventilation box.

Compared with the prior art, the energy-saving and high-efficiency air interchanger for the local lower parking lot has the advantages that:

1. according to the invention, the wing plates are arranged, so that when a vehicle runs to or departs from a parking space in the parking lot, wind carried by the vehicle passes below the wing plates and blows towards the wing plates.

2. According to the invention, the wing plate pushes the threaded rod to move upwards, and the threaded rod drives the rotary drum in threaded fit with the threaded rod to rotate, so that the suction fan is driven to rotate to form upward suction wind power, air in the underground parking lot is sucked into the ventilation box through the air inlet and is discharged from the upper ventilation vertical shaft, and the ventilation box has good ventilation effect.

3. According to the invention, by arranging the air guide pipe, when external natural wind blows from one end of the air guide pipe, the air guide pipe is a pipeline which is contracted firstly and then gradually expanded, the airflow velocity of the airflow at the contraction part of the air guide pipe is increased, and according to Bernoulli principle, the air pressure at the contraction part of the air guide pipe is small, so that a suction effect is formed on the ventilation shaft, the air flowing speed in the ventilation shaft is further improved, and the ventilation effect is enhanced.

4. According to the invention, the heating wire is arranged, when the air exhaust fan rotates, the spiral coil continuously cuts the magnetic induction line of the permanent magnet block to generate induction current to supply power to the heating wire, the heating wire heats air in the ventilation shaft, the density of the hot air is higher, the weight is lighter, a chimney effect is formed, the upward floating flow of the air flow is accelerated, and the ventilation effect is further improved.

Drawings

Fig. 1 is a schematic structural view of an energy-saving efficient ventilator for an underground parking lot according to an embodiment 1 of the present invention;

fig. 2 is a schematic structural view of an energy-saving efficient ventilator for an underground parking lot according to embodiment 2 of the present invention.

In the drawing, 1 an underground parking roof; 2, ventilating a vertical shaft; 3, a wind guide pipe; 4, a ventilation box; 5 air inlet holes; 6, rotating the drum; 7, an air exhaust fan; 8 supporting the spring; 9 wing plates; 10 a threaded rod; 11 a dust collecting net; 12 heating wires; 13 a helical coil; 14 permanent magnet blocks.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1, an energy-saving efficient ventilation device for an underground parking lot, including underground parking lot roof 1, underground parking lot roof 1 top is equipped with ventilation shaft 2 with external intercommunication, the fixed intercommunication in upper end of ventilation shaft 2 has guide duct 3 that the level set up, the both ends of guide duct 3 are the uncovered setting of loudspeaker form, the fixed surface of underground parking lot roof 1 installs ventilation box 4, inlet port 5 has been seted up to ventilation box 4's bottom surface, install dust collecting net 11 in the inlet port 5, dust collecting net 11 can prevent that the dust from getting into ventilation box 4 and causing the jam problem, ventilation shaft 2 and the inside intercommunication of ventilation box 4.

The interior bottom surface of ventilation box 4 rotates and is connected with

rotary drum

6, 6 outer coaxial fixed of rotary drum has cup jointed exhaust fan 7, the pterygoid lamina 9 that 8 fixed connection of supporting spring has the level to set up is passed through to the lower surface of ventilation box 4, the upper surface of pterygoid lamina 9 is the arc line shape setting of upwards arching, the lower surface is the horizontal plane, the last fixed surface of pterygoid lamina 9 is connected with threaded rod 10, the bottom surface that ventilation box 4 was run through to the upper end of threaded rod 10 extends to in the rotary drum 6, be equipped with the screw thread on the inside wall of rotary drum 6, and

rotary drum

6 and 10 screw-thread fit of threaded rod.

The working principle of the embodiment is as follows: when a vehicle runs to a parking space or leaves the parking space in a parking lot, wind carried by the vehicle passes below the wing plate 9 and blows towards the wing plate 9, and according to the Bernoulli principle, when airflow flows at the same height, the flow speed is faster, the pressure is lower, the wing plate 9 is acted by upward air pressure, an electric driving device is not needed, energy is saved, and the cost is reduced.

The wing plate 9 pushes the threaded rod 10 to move upwards, the threaded rod 10 drives the rotary drum 6 in threaded fit with the threaded rod to rotate, so that the air suction fan 7 is driven to rotate to form upward suction wind power, air in the underground parking lot is sucked into the air exchange box 4 through the air inlet 5 and is discharged from the upper ventilation shaft 2, and good ventilation effect is achieved.

When external natural wind blows from one end of the air duct 3, the air duct 3 is a pipeline which is contracted firstly and then gradually expanded, the flow velocity of the airflow at the contraction part of the air duct 3 is increased, and according to Bernoulli's principle, the air pressure at the contraction part of the air duct 3 is small, so that a suction effect is formed on the ventilation shaft 2, the flowing speed of the air in the ventilation shaft 2 is further improved, and the ventilation effect is enhanced.

Example 2

As shown in fig. 2, the present embodiment is different from embodiment 1 in that: an electric heating wire 12 is installed on the inner side wall of the ventilation shaft 2, a spiral coil 13 is wound on each fan blade of the air exhaust fan 7, the winding direction of the spiral coil 13 is perpendicular to the magnetic induction line direction of the permanent magnet 14, two ends of the spiral coil 13 are electrically connected with two ends of the electric heating wire 12 respectively, and the permanent magnet 14 is fixedly connected to the inner side wall of the ventilation box 4.

In this embodiment, when the air extracting fan 7 rotates, the spiral coil 13 continuously cuts the magnetic induction lines of the permanent magnet blocks 14 to generate an induced current to supply power to the heating wire 12, the heating wire 12 heats the air in the ventilation shaft 2, the density of the hot air is high, the mass is light, a chimney effect is formed, the upward floating flow of the air flow is accelerated, and the ventilation effect is further improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An energy-saving efficient air interchanger for an underground parking lot comprises an underground parking lot top plate (1) and is characterized in that a ventilation shaft (2) communicated with the outside is arranged above the underground parking lot top plate (1), the upper end of the ventilation shaft (2) is fixedly communicated with a horizontally arranged air guide pipe (3), two ends of the air guide pipe (3) are arranged in a horn-shaped opening manner, an air exchanging box (4) is fixedly installed on the lower surface of the underground parking lot top plate (1), an air inlet hole (5) is formed in the bottom surface of the air exchanging box (4), the ventilation shaft (2) is communicated with the inside of the air exchanging box (4), the inner bottom surface of the air exchanging box (4) is rotatably connected with a rotary drum (6), an air extracting fan (7) is coaxially and fixedly sleeved outside the rotary drum (6), and the lower surface of the air exchanging box (4) is fixedly connected with a horizontally arranged wing plate (9) through, the upper surface of the wing plate (9) is in an upward arched arc shape, the lower surface of the wing plate is in a horizontal plane, a threaded rod (10) is fixedly connected to the upper surface of the wing plate (9), the upper end of the threaded rod (10) penetrates through the bottom surface of the ventilation box (4) and extends into the rotary drum (6), threads are arranged on the inner side wall of the rotary drum (6), and the rotary drum (6) is in threaded fit with the threaded rod (10).

2. The energy-saving efficient ventilation device for the underground parking lot as claimed in claim 1, wherein a dust collecting net (11) is installed in the air intake hole (5).

3. The energy-saving and efficient ventilation device for the underground parking lot according to claim 1, wherein an electric heating wire (12) is installed on the inner side wall of the ventilation shaft (2), each blade of the air extraction fan (7) is wound with a spiral coil (13), two ends of the spiral coil (13) are respectively electrically connected with two ends of the electric heating wire (12), and a permanent magnet (14) is fixedly connected to the inner side wall of the ventilation box (4).