CN212479244U

CN212479244U - Semi-closed tunnel photovoltaic power generation shading shed

Info

Publication number: CN212479244U
Application number: CN202020997488.0U
Authority: CN
Inventors: 蒋海峰; 刘志强; 王丹; 倪栋; 梁天闻
Original assignee: Research Institute of Highway Ministry of Transport
Current assignee: Research Institute of Highway Ministry of Transport
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-02-05
Anticipated expiration: 2030-06-03

Abstract

The utility model provides a semi-closed tunnel photovoltaic power generation shading canopy, include: the concrete supporting structures are arranged on two sides of a road and extend outwards from a tunnel opening of the tunnel, and ventilation openings are formed in the middle and/or the upper part of the concrete supporting structures; the steel structure arched beams are spanned on the concrete support structures respectively positioned on the two sides of the road; the light-tight photovoltaic assembly is arranged in the middle area of the steel structure arched beam in the transverse direction; the gradual change printing opacity device is installed steel construction arched beam is located transversely on the region of middle zone both sides, gradual change printing opacity device's luminousness is the increase trend in the direction that extends along the tunnel portal outwards. Semi-closed tunnel photovoltaic power generation shading canopy "black hole" and "white hole" effect driving when can effectively alleviate driver business turn over tunnel portal can reach the purpose of two promotions of energy-conserving low carbon and safety guarantee level.

Description

Semi-closed tunnel photovoltaic power generation shading shed

Technical Field

The utility model belongs to the technical field of highway tunnel photovoltaic equipment, concretely relates to semi-closed type tunnel photovoltaic power generation light-shielding shed.

Background

The tunnel shading shed is a shading device which is arranged at the entrance and the exit of the tunnel and is paved by extending the entrance or the exit of the tunnel outwards. Because the light in the tunnel is dim, the driver of the vehicle is easy to have a 'black hole effect' visually at the moment of entering the tunnel from an external bright environment, and cannot see the road in the tunnel clearly; at the moment of exiting from the tunnel exit, the tunnel is easy to generate visual white hole effect, cannot adapt to the external light environment quickly, and is easy to cause traffic accidents. The tunnel shade is designed to alleviate the black hole and white hole effects. In the early application, the tunnel shading shed is usually made of a common shed body, for example, chinese patent document CN208201676U discloses a shading shed for highway tunnel exit, which comprises a steel bar frame and a shading blocking shed, wherein the shading blocking shed is located at the top of the steel bar frame, the top end of the steel bar frame is welded with a framework, a strut is fixedly connected with the end face of the top end of the framework, a positioning steel sleeve is welded on the outer side of the top end of the strut, the shading blocking shed is fixedly connected with the framework through the positioning steel sleeve, and a fixing buckle is welded between the positioning steel sleeve and the strut, so as to fix the steel bar frame and the shading blocking shed.

Above-mentioned early sunshade canopy structure is comparatively simple, carries out the shading through setting up the sunshade canopy, forms the transition region of a light in the exit in tunnel for navigating mate can carry out excessively in this region when rolling away from the export, thereby can adapt to outside light change gradually. However, the function of the sunshade is single, the cost for building the sunshade is high, and the sunshade does not generate economic value, so that the economic performance is poor. In this case, in order to solve this problem, the photovoltaic film can be used for the tunnel shading shed, and can be used for photovoltaic power generation while playing a role in shading, and the electric energy generated by the photovoltaic power generation can be used for supplying power in the tunnel or to the power grid, so that the economic performance of the shading shed is improved.

However, in the prior art, the research on the application of the photovoltaic film to the tunnel shading shed is less, and the economic efficiency and the functionality of the shading shed can be improved by optimizing the overall structure of the shading shed and the laying mode of the photovoltaic film, which is a technical problem that is not solved in the field.

SUMMERY OF THE UTILITY MODEL

The utility model provides a prior art is less to the overall structure of shading canopy and photovoltaic film's the mode of laying research, lacks the technical problem that has good economy and functional tunnel shading canopy device, and then provides an economy, functional good, the semi-closed type tunnel photovoltaic power generation shading canopy that the practicality is strong.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a semi-closed tunnel photovoltaic power generation shading canopy, includes: the concrete supporting structures are arranged on two sides of a road and extend outwards from a tunnel opening of the tunnel, and ventilation openings are formed in the middle and/or the upper part of the concrete supporting structures; the steel structure arched beams are spanned on the concrete support structures respectively positioned on the two sides of the road; the light-tight photovoltaic assembly is arranged in the middle area of the steel structure arched beam in the transverse direction; and the gradual change light transmission device is arranged on the areas of the steel structure arched beam, which are positioned on two sides of the middle area in the transverse direction.

The gradual change light transmission device adopts a gradual change light transmission type photovoltaic cell assembly.

The gradual change printing opacity formula photovoltaic cell subassembly includes along first printing opacity formula photovoltaic cell subassembly, second printing opacity formula photovoltaic cell subassembly and the third printing opacity formula photovoltaic cell subassembly that sets gradually in the outside direction that extends of tunnel portal, three the luminousness of printing opacity formula photovoltaic cell subassembly increases gradually.

The light transmittance of the first light-transmitting photovoltaic cell module is 10% -20%, the light transmittance of the second light-transmitting photovoltaic cell module is 20% -40%, and the light transmittance of the third light-transmitting photovoltaic cell module is 40% -70%.

The length of each light-transmitting photovoltaic cell assembly in the direction extending outwards along the tunnel opening is 20-30 meters.

The photoelectric conversion efficiency of the light-tight crystalline silicon cell is more than or equal to 23 percent; the photoelectric conversion efficiency of the light-transmitting photovoltaic cell assembly is greater than or equal to 18%.

The impact strength of the concrete support structure is greater than or equal to the SB strength.

The height of the concrete supporting structure is 1.2-1.5 m.

The vent sets up to the arc vent, the top end opening of arc vent is located concrete support structure's top surface.

The light-tight photovoltaic module is an arc-shaped flexible thin film photovoltaic module or a ridge-shaped crystalline silicon photovoltaic cell module.

The utility model discloses in semi-closed type tunnel photovoltaic power generation shading canopy, the advantage lies in:

semi-closed tunnel photovoltaic power generation light-shading canopy, provided an integrated photovoltaic power generation's tunnel import and export semi-closed tunnel photovoltaic power generation light-shading canopy of clean energy photovoltaic equipment, tunnel import and export natural light printing opacity gradual change, driver visibility reinforcing and energy saving and emission reduction function in an organic whole. Through the design of the concrete supporting structure, the steel structure arched beam, the light-tight photovoltaic module and the gradual change light transmission device, the natural light transmittance of the shading shed can be gradually reduced or increased along the vehicle running direction at the tunnel portal, the natural transition of driver vision light into the tunnel and the natural transition out of the tunnel are realized, the visual adaptability problem of the driver entering and exiting the tunnel is greatly relieved, and the driving risks of the black hole effect and the white hole effect when the driver enters and exits the tunnel portal are relieved. Additionally, through the utility model discloses the construction of facility is imported and exported the enhancement illumination section with the tunnel and is reduced to basic illumination section, can need not set up the enhancement illumination lamps and lanterns again, practices thrift a large amount of illumination lamps and lanterns investment and operation period's charges of electricity consumption. Semi-closed tunnel photovoltaic power generation anti-light shed, its photovoltaic module adopts the clean energy of solar energy electricity generation, can directly incorporate into the electric wire netting or use for the electric load equipment in the tunnel, and then reach the purpose of energy-conserving low carbon and the two promotes of safety guarantee level.

Structurally, the utility model discloses there is the vent at concrete bearing structure's middle part and/or upper portion shaping for ventilation in realizing the canopy, thereby the air mobility who avoids the light-shielding canopy among the prior art to exist is poor, influences the problem of light-shielding canopy internal environment. And simultaneously the utility model discloses steel construction arched beam sets up light-tight formula photovoltaic module in horizontal ascending middle zone, sets up gradual change printing opacity device in light-tight formula photovoltaic module both sides, and the advantage that sets up like this lies in making to have suitable luminance in the anti-light shed, avoids light to cross bright or cross the effect that dark influence anti-light shed.

In order to make the technical scheme of semi-closed type tunnel photovoltaic power generation shading canopy clear more and understand, below combine specific drawing and specific embodiment, it is right the utility model discloses further explanation.

Drawings

Fig. 1 is a schematic structural view of a semi-closed tunnel photovoltaic power generation shading shed according to the present invention;

wherein the reference numerals are:

1-a concrete support structure; 11-a curved vent; 21-opaque photovoltaic module; 22-a first light transmissive photovoltaic cell assembly; 23-a second light-transmissive photovoltaic cell assembly; 24-a third light-transmissive photovoltaic cell assembly; 31-transverse steel pipe; 32-longitudinal steel pipes.

Detailed Description

In the following embodiments, the term "lateral" in the direction refers to a direction in which a road extends, and is referred to as a "longitudinal direction" which is the same direction as the direction in which the road extends, and a direction perpendicular to the longitudinal direction, that is, a direction in which a boundary line between a cross section of the road and a road surface extends is referred to as a "lateral direction".

This embodiment provides a semi-enclosed type tunnel photovoltaic power generation shading canopy, as shown in fig. 1, including concrete support structure 1, concrete support structure 1 sets up in the both sides of road, by the tunnel portal of tunnel outwards extends, concrete support structure 1's height is 1.5 meters, as optional implementation mode, concrete support structure 1's height is suitable for 1.2 ~ 1.5 m. The road in the embodiment adopts two-way lanes, and the distance between the two concrete supporting structures 1 is 9.5 m. The concrete support structure 1 has an impact rating greater than or equal to SB rating. A ventilation opening is formed in the middle and/or the upper part of the concrete support structure 1, the middle and/or the upper part are formed by sequentially dividing the concrete support structure 1 into three same heights from bottom to top, and the ventilation opening is arranged in the middle or the uppermost height area, namely the ventilation opening is higher than 1/3 of the concrete support structure 1. In this embodiment the vent sets up to arc vent 11, the height of the bottom of arc vent 11 is 1 meter, and arc radius is 0.5m, arc vent 11's top end opening is located on concrete support structure 1's the top surface, and the distance between two arc vents 11 is 50 cm.

Erecting steel structure arched beams on the concrete support structures 1, wherein the steel structure arched beams are spanned on the concrete support structures 1 respectively positioned at two sides of the road; in this embodiment, the steel structure arched beam is made of steel pipes, and specifically includes a plurality of arched transverse steel pipes 31 spanning the concrete support structure 1 on both sides, and a longitudinal steel pipe 32 located between two adjacent transverse steel pipes 31 and arranged along the longitudinal direction, and the steel structure arched beam is fixedly mounted on the concrete support structure 1.

Light-tight formula photovoltaic module 21 has been laid to steel construction arched beam in horizontal middle zone, in this embodiment light-tight formula photovoltaic module 21 is convex flexible thin film photovoltaic module, convex flexible thin film photovoltaic module's cross-section is arc, flexible thin film photovoltaic module lays on the middle zone to through the bolt with steel construction arched beam's vertical steel pipe 32 and horizontal steel pipe 31 fixed connection form light-tight region, be located middle zone's horizontal steel pipe 31 with convex flexible thin film photovoltaic module's arc shape is the same. The vertical distance between the highest vertex of the middle area and the tunnel pavement is 6.5m, and the photoelectric conversion efficiency of the opaque crystalline silicon cell is greater than or equal to 23% as a preferred embodiment.

The shading shed is further provided with a gradual change light transmission device, and the gradual change light transmission device is arranged on the areas, located on two sides of the middle area, of the steel structure arched beam in the transverse direction. In this embodiment, the gradual change light transmission device adopts gradual change light transmission type photovoltaic cell assembly, the gradual change light transmission type photovoltaic cell assembly includes along first light transmission type photovoltaic cell assembly 22, second light transmission type photovoltaic cell assembly 23 and third light transmission type photovoltaic cell assembly 24 that set gradually in the outside direction that extends of tunnel portal, three the luminousness of light transmission type photovoltaic cell assembly increases gradually. The length of each light-transmitting photovoltaic cell assembly in the direction extending outwards along the tunnel opening is 20-30 meters. The light transmittance of the first light-transmitting photovoltaic cell module 22 is 10% -20%, the light transmittance of the second light-transmitting photovoltaic cell module 23 is 20% -40%, and the light transmittance of the third light-transmitting photovoltaic cell module 24 is 40% -70%. So that the light transmittance of the gradual change light transmission device tends to increase in the direction extending outwards along the tunnel opening. The three gradual change type light-transmitting photovoltaic cell assemblies are fixedly connected with the longitudinal steel pipe 32 and the transverse steel pipe 31 of the steel structure arched beam through bolts to form a gradual change type light-transmitting area. In a preferred embodiment, the light-transmitting photovoltaic cell module has a photoelectric conversion efficiency of 18% or more. In this embodiment, the transparent photovoltaic cell module is also configured to be arc-shaped, that is, the cross section of the transparent photovoltaic cell module is arc-shaped, and the transverse steel pipe 31 located in the gradual change transparent region is also the same as the arc-shaped transparent photovoltaic cell module. In this embodiment, it is preferable that the arc radius of the transparent photovoltaic cell module is 4.5 to 6.5 meters, the arc radius of the transparent photovoltaic cell module is smaller than the arc radius of the opaque photovoltaic module 21, and the ratio of the area of the gradual change light transmission device on each side to the area of the opaque photovoltaic module 21 is 1: 2.

As an alternative embodiment, the opaque crystalline silicon cell may also adopt an inflexible crystalline silicon photovoltaic cell assembly, and when the crystalline silicon photovoltaic cell assembly is adopted, a ridge-shaped crystalline silicon photovoltaic cell assembly may be adopted, and at this time, the transparent crystalline silicon photovoltaic cell assembly may be configured into a flat plate shape, and the flat plate-shaped transparent crystalline silicon photovoltaic cell assembly preferably inclines gradually towards the middle line of the road from bottom to top.

Semi-closed tunnel photovoltaic power generation shading canopy in this embodiment be provided with light-tight formula photovoltaic module and printing opacity formula photovoltaic cell, photovoltaic module can be with solar energy transformation electric energy, through supporting photovoltaic system components and parts such as the external member of converging, dc-to-ac converter, the cabinet of being incorporated into the power networks, can concentrate the direct current that photovoltaic module sent to the external member that converges, converts the alternating current into through the inverter again, directly incorporates into the electric wire netting, perhaps also can directly give the load in the tunnel and use to play energy saving and emission reduction's effect.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the claims.

Claims

1. The utility model provides a semi-closed tunnel photovoltaic power generation shading canopy which characterized in that includes:

the concrete supporting structures are arranged on two sides of a road and extend outwards from a tunnel opening of the tunnel, and ventilation openings are formed in the middle and/or the upper part of the concrete supporting structures;

the steel structure arched beams are spanned on the concrete support structures respectively positioned on the two sides of the road;

the light-tight photovoltaic assembly is arranged in the middle area of the steel structure arched beam in the transverse direction;

and the gradual change light transmission device is arranged on the areas of the steel structure arched beam, which are positioned on two sides of the middle area in the transverse direction.

2. The semi-enclosed tunnel photovoltaic power generation shading shed as claimed in claim 1, wherein the gradual light transmission device is a gradual light transmission photovoltaic cell assembly.

3. The semi-enclosed tunnel photovoltaic power generation shading shed as claimed in claim 2, wherein the gradient transmission type photovoltaic cell assembly comprises a first transmission type photovoltaic cell assembly, a second transmission type photovoltaic cell assembly and a third transmission type photovoltaic cell assembly which are arranged in sequence along the direction extending outwards from the tunnel opening, and the light transmittance of the three transmission type photovoltaic cell assemblies is gradually increased.

4. The semi-enclosed tunnel photovoltaic power generation shading shed as claimed in claim 3, wherein the light transmittance of the first light-transmitting photovoltaic cell module is 10-20%, the light transmittance of the second light-transmitting photovoltaic cell module is 20-40%, and the light transmittance of the third light-transmitting photovoltaic cell module is 40-70%.

5. The semi-enclosed tunnel photovoltaic power generation shelter of claim 4, wherein each of the light-transmissive photovoltaic cell assemblies has a length in a direction extending outwardly along the tunnel opening of 20-30 meters.

6. The semi-enclosed tunnel photovoltaic power generation shading shed as claimed in claim 5, wherein the light-tight crystalline silicon cell has a photoelectric conversion efficiency of 23% or more; the photoelectric conversion efficiency of the light-transmitting photovoltaic cell assembly is greater than or equal to 18%.

7. The semi-enclosed tunnel photovoltaic power generation shading shed of claim 6, wherein the concrete support structure has an impact rating greater than or equal to the SB rating.

8. The semi-enclosed tunnel photovoltaic power generation shading shed as claimed in claim 7, wherein the height of the concrete supporting structure is 1.2-1.5 m.

9. The semi-enclosed tunnel photovoltaic power generation shading shed as claimed in any one of claims 1 to 8, wherein the ventilation openings are arc-shaped ventilation openings, and top end openings of the arc-shaped ventilation openings are positioned on the top surface of the concrete supporting structure.

10. The semi-enclosed tunnel photovoltaic power generation shading shed as claimed in claim 9, wherein the opaque photovoltaic module is a circular arc-shaped flexible thin film photovoltaic module or a ridge-shaped crystalline silicon photovoltaic cell module.