CN111075470A

CN111075470A - Tunnel pressure reduction device

Info

Publication number: CN111075470A
Application number: CN201911378468.3A
Authority: CN
Inventors: 赵龙飞; 蔡路
Original assignee: Individual
Current assignee: Nanjing Lishui Hi Tech Industry Equity Investment Co Ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-04-28
Anticipated expiration: 2039-12-27
Also published as: CN111075470B

Abstract

The invention discloses a tunnel pressure reduction device which comprises an assembly plate arranged on a wall surface, wherein a plurality of assembly cavities are formed in the assembly plate at equal intervals, heating wires are arranged on two side walls of each assembly cavity, one end of each heating wire is electrically connected with a photovoltaic plate, the photovoltaic plates are mutually connected through a storage battery and the heating wires, the photovoltaic plates are arranged on the top of a tunnel, expansion balls are arranged in the assembly cavities, and the expansion balls are communicated with the outside through second ventilation openings. The invention enables the compressed air to instantly stick into the first filling cavity through the interaction of the structures such as the first filling cavity, the expansion ball, the heating wire and the like, so that the first filling cavity is expanded, the pressure caused by air compression between a train and a tunnel can be reduced, the phenomenon of tinnitus of passengers is avoided, and the uncomfortable feeling of the body is reduced.

Description

Tunnel pressure reduction device

Technical Field

The invention relates to the technical field of civil engineering, in particular to a tunnel pressure reduction device.

Background

Civil construction is a general term for scientific technology for building various engineering facilities. It refers to the applied materials, equipment and the technical activities of surveying, designing, constructing, maintaining and the like; also refers to the objects of engineering construction, i.e. various engineering facilities which are built on the ground or underground, on land or in water and directly or indirectly serve human life, production, military affairs and scientific research.

The tunnel construction is also one of civil engineering, and when a train enters the existing tunnel, the air is rapidly compressed due to high speed, so that passengers have temporary tinnitus, and the passengers have uncomfortable feeling.

Disclosure of Invention

The invention aims to solve the following defects in the prior art that when a train enters the existing tunnel, air is rapidly compressed due to high speed, so that passengers have temporary tinnitus and have uncomfortable body, and the tunnel pressure reducing device is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

a tunnel pressure reduction device comprises an assembly plate arranged on a wall surface, wherein a plurality of assembly cavities are formed in the assembly plate at equal intervals, heating wires are arranged on two side walls of each assembly cavity, one end of each heating wire is electrically connected with a photovoltaic plate, the photovoltaic plates are connected with each other through a storage battery and the heating wires, the photovoltaic plates are arranged on the top of a tunnel, expansion balls are arranged in the assembly cavities, the expansion balls are communicated with the outside through second ventilation openings, first ventilation openings are formed in two sides of each second ventilation opening, the expansion balls are divided into first filling cavities and second filling cavities through end portions A, low-boiling-point evaporation liquid is filled in the second filling cavities, a plurality of telescopic holes are formed in the bottom ends of the expansion balls at equal intervals, a plurality of reflection bulges are arranged at equal intervals on two sides of the telescopic holes, and infrared induction plates are arranged on the side walls of the assembly plate, the infrared sensing board is also connected with the storage battery through the single chip microcomputer.

Preferably, the reflective protrusions are staggered with each other.

Preferably, the thickness of the end portion a is greater than the bottom side wall of the expansion ball.

Compared with the prior art, the invention has the beneficial effects that:

1. through the first interact of filling chamber, inflation ball, heater strip isotructure for the compressed air makes its inflation in the first chamber of filling of hugging in the twinkling of an eye, can reduce the pressure that air compression caused between train and the tunnel like this, thereby avoids the passenger phenomenon of tinnitus to appear, reduces the uncomfortable sense of health.

2. Through changing the instantaneous propagation area of sound to noise reduction simultaneously through the reflection arch in the telescopic hole, lets the continuous repeated reflection of sound wave, can reduce the energy of sound wave like this, and then plays the effect of making an uproar of falling.

3. The pressure between the train and the tunnel is further reduced through the secondary expansion of the expansion ball, so that the tinnitus condition is reduced.

Drawings

Fig. 1 is a schematic front structural view of a tunnel depressurization device according to the present invention;

fig. 2 is a schematic top view of a tunnel depressurization device according to the present invention;

FIG. 3 is a schematic view of a partial structure of an expansion ball of a tunnel depressurization device according to the present invention;

fig. 4 is a schematic view of a partial structure of a telescopic hole of a tunnel pressure reduction device according to the present invention.

In the figure: the solar cell panel comprises an assembly plate 1, an assembly cavity 2, a heating wire 3, a first filling cavity 4, a first ventilation opening 5, an infrared sensing plate 6, a photovoltaic plate 7, a second filling cavity 8, a low-boiling-point evaporating liquid 9, an expansion ball 10 at the end part A, an expansion ball 11, a telescopic hole 12 and a reflection bulge 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, a tunnel pressure reduction device comprises an assembly plate 1 installed on a wall surface, wherein a plurality of assembly cavities 2 are equidistantly formed in the assembly plate 1, heating wires 3 are installed on two side walls of each assembly cavity 2, one end of each heating wire 3 is electrically connected with a photovoltaic panel 7, the photovoltaic panels 7 are mutually connected through a storage battery and the heating wires 3, the photovoltaic panels 7 are installed on the top of a tunnel, expansion balls 11 are installed in the assembly cavities 2, the expansion balls 11 are communicated with the outside through second ventilation openings, first ventilation openings are respectively formed in two sides of each second ventilation opening, the assembly cavities 2 are communicated with the outside through the first ventilation openings, the expansion balls 11 are divided into first filling cavities 4 and second filling cavities 8 through end portions A10, low-boiling-point evaporation liquid 9 is filled in the second filling cavities 8, a plurality of telescopic holes 12 are equidistantly formed in the bottom ends of the expansion balls 11, a plurality of reflection protrusions 13 are equidistantly arranged on two sides of the telescopic holes 12, a plurality of reflection arch 13 are set up each other crisscross, and tip A10's thickness is greater than the end wall of inflation ball 11, is equipped with infrared ray tablet 6 on the lateral wall of assembly panel 1, installs on the train with infrared ray tablet 6 assorted infrared emitter, and infrared ray tablet 6 still passes through singlechip and battery connection.

In the invention, when a train approaches a tunnel, the infrared sensing plate 6 senses infrared rays emitted by an infrared emitter on the train, so that the storage battery supplies power to the heating wire 3, the heating wire 3 slowly generates heat, the temperature in the assembly cavity 2 is increased, the pressure of the first filling cavity 4 at the initial position is the same as that of the outside, the first filling cavity 4 is in a shriveled state, when the vehicle enters the tunnel, because the speed of the vehicle is very high, air between the train and the wall of the tunnel is instantly compressed, and simultaneously when the air is compressed, a large amount of air flows into the first filling cavity 4, so that the expansion balls 11 are simultaneously expanded, negative pressure is generated inside and outside each first filling cavity 4, so that the compressed air is instantly inserted into the first filling cavity 4 to expand the first filling cavity, and the pressure caused by air compression between the train and the tunnel can be reduced, thereby avoiding the tinnitus phenomenon of passengers and reducing the uncomfortable feeling of the body.

In the process of expansion of the expansion ball 11, the side wall of the expansion ball 11 slowly touches the heating wire 3, so that the rapid evaporation of the internal low-boiling-point evaporating liquid 9 becomes gas, the second filling cavity 8 is enabled to continue to expand, the thickness of the end part A10 is larger than the bottom side wall of the expansion ball 11, and when the second filling cavity 8 expands, the space in the first filling cavity 4 cannot be reduced, so that the expansion ball 11 can be enabled to generate secondary expansion, the pressure between a train and a tunnel is further reduced, and the tinnitus is reduced.

The secondary expansion of the expansion ball 11 in the process can completely open the telescopic hole 12, noise generated in the driving process enters from the first air vent 5 and then enters the telescopic hole 12, the instantaneous propagation area is changed, and therefore the noise is reduced, meanwhile, the sound wave is continuously reflected repeatedly through the reflection protrusions 13 in the telescopic hole 12, so that the energy of the sound wave can be reduced, and the noise reduction effect is achieved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The tunnel pressure reduction device comprises an assembly plate (1) installed on a wall surface, and is characterized in that a plurality of assembly cavities (2) are equidistantly formed in the assembly plate (1), each assembly cavity (2) is provided with a heating wire (3) on two side walls, one end of each heating wire (3) is electrically connected with a photovoltaic plate (7), the photovoltaic plates (7) are connected with each other through a storage battery and the heating wires (3), the photovoltaic plates (7) are installed on the top of the tunnel, expansion balls (11) are installed in the assembly cavities (2), the expansion balls (11) are communicated with the outside through second ventilation openings, first ventilation openings are formed in two sides of each second ventilation opening, the expansion balls (11) are divided into first filling cavities (4) and second filling cavities (8) through end portions A (10), and low-boiling-point evaporation liquid (9) is filled in the second filling cavities (8), a plurality of telescopic holes (12) have been seted up to the bottom equidistant of inflation ball (11), the both sides equidistant of telescopic hole (12) is equipped with a plurality of reflection archs (13), be equipped with infrared ray tablet (6) on the lateral wall of assembly plate (1), infrared ray tablet (6) are still connected through singlechip and battery.

2. A tunnel depressurization device according to claim 1 wherein a plurality of the reflective protrusions (13) are staggered with respect to each other.

3. A tunnel depressurization device according to claim 1 wherein the thickness of the end a (10) is greater than the bottom side wall of the expansion ball (11).