KR101042704B1 - Photovoltaic Power Generation System On The Space Between Railway Lines - Google Patents

Abstract

The present invention solves the constraints caused by the operation and maintenance work of railroad cars, enables the safe operation of railroad cars, secures the safety of power generation facilities, and facilitates maintenance work. The present invention relates to a photovoltaic power generation system using a railway track center interval section for use in a vehicle or a railroad facility.

The photovoltaic power generation system using a track center interval section according to the present invention is a photovoltaic power generation system installed in a track center interval section formed between railroad tracks so as to space two pairs of tracks, wherein the track and A solar cell structure including a support structure constructed in the track center interval section in a side-by-side direction, and a plurality of module structures installed on the support structure toward a solar collection direction; and collecting electric power generated from the solar cell structure A power device for supplying to the outside; the peak height of the solar cell structure installed in the track center interval is lower than the bottom frame or the bottom surface of the railway vehicle driving the railway line.

Solar, power generation, railway, track

Description

Photovoltaic Power Generation System On The Space Between Railway Lines

The present invention relates to a photovoltaic power generation system, and in particular, by eliminating the constraints caused by the operation and maintenance work of railroad cars, to enable the safe operation of railroad cars, secure the safety of power generation facilities and easy maintenance work, and production The present invention relates to a photovoltaic power generation system using a railway track center interval section in which an electric power is used for a railway vehicle or a railway facility using electricity.

In recent years, the need for securing alternative energy to reduce the use of fossil fuels has emerged. This necessity is presented in a practical form through mutual regulation and trade with carbon credits around the world, and is recognized as a very important problem at the national level. In recent years, the production and use of energy by renewable energy represented by wind, solar, and solar heat have been attracting more attention, and rapid development and dissemination have been made more than the development in the past decades.

In the case of photovoltaic power generation, it is necessary to secure a large space, but in reality, there is a great difficulty in securing space. In addition, solar power generation requires long hours of sunshine, and a lot of sunshine is selected as a site and a power generation facility. These conditions are often formed in the same form as the growth and residence of crops. It's a big situation.

Therefore, a method of utilizing idle land, which is an unused space of land that is used for other purposes, has been proposed. In particular, the area of idle land is small, such as the roof of a building and the roof of a house, so the share of facility costs and the difficulty of installation are not large compared to the amount of power generation. And the search for a method of use.

Railways can be considered as an idle area for the consistent construction and operation of such large-scale power generation facilities. In the case of railroad tracks, two pairs of up and down tracks form a pair, and there is a track center interval that serves as a space for maintenance work, installation of facilities, and a buffer space for up and down lines. The track length of domestic railways is 5,600 kilometers in length, except for the sideline, in 2006, and the length of railway facilities is 2,800 kilometers, considering that a pair of tracks are installed in parallel. Even if only 10% of the track center intervals of these tracks are used, an idle land of 280 kilometers is secured. If a 200-watt solar module is approximately 2 meters long, a 28MW power generation facility is secured. It becomes possible. However, in order to use such a track-centered interval section, there is an urgent need for deriving a method for security of power generation facilities, space utilization for maintenance and use of generated power according to vehicle operation.

Accordingly, an object of the present invention is to solve the above problems, to solve the constraints caused by the operation and maintenance work of the railway vehicle to enable the safe operation of the railway vehicle, secure the safety of the power plant and easy maintenance work. In addition, it is to provide a photovoltaic power generation system using the rail track center interval section to use the produced electric power in railroad cars or railway facilities using electricity as power.

In addition, another object of the present invention is to provide an orbital center interval section that makes it easy for the solar cell module of the photovoltaic structure installed along the railroad track and the orbital center interval thereof to follow the non-uniform trajectory toward the optimal power generation direction. It is to provide a photovoltaic power generation system.

In addition, another object of the present invention is to provide a photovoltaic power generation system using a track center interval section having a photovoltaic structure having a stable structure against wind pressure due to easy installation, maintenance, repair and vehicle operation by a simple structure. .

In the photovoltaic power generation system installed in the track center interval section formed between the railroad tracks to space the two pairs of tracks according to the present invention for achieving the above object, the track in the direction parallel to the track of the railroad track A solar cell structure including a support structure hypothesized at a center interval section and a plurality of module structures installed on the support structure toward a solar collection direction; and power collected from the solar cell structure and supplied to the outside It is configured to include, wherein the peak height of the solar cell structure installed in the track center interval section is a height lower than the bottom frame or body bottom surface of the railway vehicle running the railway line.

The solar cell structure may include a first fixing plate of the support structure in which a plurality of fixing holes are formed at equal intervals along an imaginary circle, and the module structure in which a plurality of coupling holes are formed in the same shape as the fixing holes. The bottom support; is fastened and fixed by the coupling means penetrating the fixing hole and the coupling hole.

The module structure is coupled to the support structure by the coupling means by varying the position of the coupling hole facing the fixing hole.

The module structure includes a solar cell module including a battery panel in which a plurality of battery cells are formed in a square plate shape, and a fixing panel for supporting and fixing the battery panel; It is composed of a pair, and consists of a standing portion and the upper bending portion and the lower bending portion extending from the upper and lower ends of the standing portion, the inclined coupled to the two parallel sides of the solar cell module by the upper bending portion, respectively support fixture; And a bottom support installed to connect the lower bent portion of the inclined support and the coupling hole is formed, wherein the inclined support is formed to have different heights of the standing portions to fix the solar cell module in an inclined manner. .

The support structure includes a plurality of second fixing plate is fixed to the ground at regular intervals in the track center interval section; A guard rail which is installed side by side with the track of the railway line on the second fixing plate to connect the second fixing plate; And the first fixing plate fixed on the guard rail at regular intervals.

The photovoltaic power generation system using the rail track center interval section according to the present invention eliminates the constraints caused by the operation and maintenance work of railroad cars to enable the safe operation of railroad cars, the safety of power generation facilities, and easy maintenance work. In addition, it is possible to use the generated electric power in railroad cars or railroad facilities that use electricity as power.

In addition, the photovoltaic power generation system using the railroad track center interval section according to the present invention so that the solar cell module of the photovoltaic structure installed along the railroad track and non-constant tracks along the track center distance thereof toward the optimal direction of development. It is possible to.

The photovoltaic power generation system using the rail track center interval section according to the present invention can provide stability against wind pressure due to easy installation, maintenance, maintenance and vehicle operation by a simple structure.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. In the accompanying drawings, it should be noted that the same reference numerals are shown in the drawings to refer to the same configuration in other drawings as much as possible. In addition, in describing the present invention, when it is determined that a detailed description of a related known function or known configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. And certain features shown in the drawings are enlarged or reduced or simplified for ease of description, the drawings and their components are not necessarily drawn to scale. However, those skilled in the art will readily understand these details.

1 and 2 are exemplary views for explaining a photovoltaic power generation system using a railroad track center interval section according to the present invention, Figure 1 is a conceptual diagram for explaining the railroad track center interval interval, Figure 2 is a view of the present invention A structural example showing a photovoltaic power generation system.

1 and 2, the photovoltaic power generation system 100 according to the present invention from the solar cell structure 110 and the solar cell structure 110 is installed in the orbital center interval section 10 of the railway line (1) It is composed of a power device 190 for delivering the generated power to an external system.

First, the photovoltaic power generation system 100 of FIG. 1 and the present invention uses a track center interval section 10 which is a space formed between a pair of tracks 1a and 1b constituting the railway track 1. The orbital center interval section 10 is a road safety between railroad tracks 1a and 1b of railroad tracks 1 consisting of ascending and descending tracks 1a and 1b. It is a space secured for installation of facilities such as a space having a width of usually 2 to 3m. The present invention proposes a photovoltaic power generation system (100) for installing a solar cell structure (110) suitable for this orbital center interval section (10) and supplying the generated power to electric railway vehicles and facilities.

As described above, the track center interval section 10 is a space in which the wind pressure generated by the vehicle when the railway vehicle passes, is provided as a space for maintenance. Therefore, the solar cell structure 110 of the photovoltaic power generation system 100 proposed in the present invention reflects the characteristics of the railway line 1 and is presented in a form that overcomes constraints.

The power device 190 collects power generated from the module structure 120 and supplies it to an external device (not shown). The power device 190 may include a power device such as a disconnector, a switch, a transformer, an inverter for supplying power to an external device. In addition, the power unit 190 may be used for power supply of the electric vehicle using electricity as an energy source of the railway vehicle, and for this, it may supply the collected power to a power supply station installed at every predetermined section of the railway track.

As shown in FIG. 2, the photovoltaic power generation system 100 of the present invention is installed in the orbital center interval section 10 to generate power by the solar cell structure 110 and power generated by external devices and systems. It is configured to include a power device 190 for transmitting to. In particular, the solar cell structure 110 is convenient to install in consideration of the shape and characteristics of the track center interval section 10 formed along the trajectory of the railway line 1, and is installed to perform optimal power generation.

The solar cell structure 110 includes a module structure 120 and a support structure 150 as schematically shown in FIG. The module structure 120 includes a module support for allowing the solar cell module and the solar cell module to be inclined at a predetermined angle and coupled to the support structure 150. The support structure 150 is installed in parallel with the railroad line 1 at approximately the center of the track center interval section 10 to fix and support the module structure 120. In particular, the module support and the support structure 150 has a configuration that can be installed so that the module structure 120, that is, the solar cell module is directed to the direction irradiated with a constant sunlight irrespective of the installation direction of the support structure 150. Include. Detailed configuration of the solar cell structure 110 will be described later with reference to other drawings.

3 to 4 are views for explaining the module structure, Figure 3a is a perspective view of the module structure, Figure 3b is an exploded perspective view of Figure 3a, Figure 3c is a side view of Figure 3a. In addition, Figure 4a is a perspective view showing the inclined support of the module support constituting the module structure of Figure 3, Figure 4b is an illustration showing a bottom support of the module support, Figure 4c is a form in which the inclined support and the bottom support is combined It is a top view showing the.

3 to 4, the module structure 120 according to the present invention includes a solar cell module 121, an inclined support 130, and a bottom support 140.

The solar cell module 121 includes a battery panel 123 in which a plurality of solar cells that produce electricity by sunlight constitute a plate, and a fixing hole for coupling the battery panel 123 to the inclined support 130. It is configured to include a fixed panel 125 formed with a plurality of (127). The solar cell module 121 may use a product that is mass-produced and sold, the size is limited to the easy to install in the orbital center interval section (10). In general, the mass-produced battery panel 123 has various types and sizes, but the length of the long side is selected to be around 1m so as to facilitate installation in a narrow space without impairing the purpose of use of the track center interval section 10. It is preferable to, but this does not limit the present invention. In addition, since the construction direction of the railway line 1 has various orientations such as north-south and east-west directions, and has a curved portion, the shape of the railway line 1 and the orbital center interval section 10 are not standardized, and thus different shapes vary depending on the section. It is also possible to use a solar cell module 121 having a standard. However, at this time, it is preferable to keep a certain distance from the tracks (1a, 1b) that are installed on both sides of the track center interval section (10) in terms of securing the safety of the maintenance work and railway vehicles. Such matters should be appropriately selected by those skilled in the art and are not limited by the present invention. The battery panel 123 is firmly attached to the fixing panel 125, and a plurality of fixing holes 127 are formed at the edges of the fixing panel 125 to couple the solar cell module 121 to the inclined support 130. do. The fixing hole 127 is formed to correspond to the first coupling hole 135 formed in the inclined support 130, the fastening means such as bolts / nuts, pieces, pins are inserted through the solar cell module 121 and The inclined support 130 is to be coupled. In this case, the fastening means may use a different type from those shown as long as it can firmly couple the solar cell module 121 and the inclined support 130, and the present invention is not limited to the present invention.

The inclined support 130 fixes the solar cell module 121 to the bottom support 130 and maintains the solar cell module 121 at a predetermined inclination angle on the support structure 150. To this end, the inclined support 130 includes a first inclined support 131 and a second inclined support 133. The inclined support 130 is a standing portion 138 to the solar cell module 121 to maintain a constant height with respect to the support structure 150, and maintains the inclination angle, and is formed by bending the top and bottom of the standing portion It has upper and lower bent portions 134 and 136. The lower bent portion 136 is formed to be bent at a right angle to the standing portion 138 in order to combine the bottom support 130 and the inclined support 130, the coupling means is inserted when the bottom support 130 is coupled A plurality of coupling holes 137 are formed. The upper bending portion 134 is bent to have an inclination angle corresponding to the inclination angle of the solar cell module 121 at the top of the standing portion 138 to fix the solar cell module 121. For example, when the solar cell module 121 is installed at an inclination angle of 15 degrees, the solar cell module 121 is bent and formed to have an inclination angle of 15 of the upper bent portion 134. A plurality of first coupling holes 135 for coupling with the solar cell module 121 are formed in the upper bent portion 134. As shown in the bending direction of the bent portions 134 and 136, the upper bent portion 134 is bent to the outside, that is, to the edge of the solar cell module 121, and the lower bent portion 136 is a standing portion 138. It can be bent to the opposite side. This corresponds to the case of using the solar cell module 121 having a width greater than the width of the bottom support 130 and the support structure 150. When the size of the solar cell module 121 is changed, the bending direction may be changed. . On the other hand, the standing portion 138 is formed with a different height of the first inclined support 131 and the second inclined support 133. As shown, by lowering the first inclined support 131 compared to the second inclined support 133, it is possible to maintain the solar cell module 121 at a constant angle with respect to the support structure 150 and the ground.

The bottom support 140 maintains the interval of the inclined support 130 and serves to fix the solar cell module 121 together with the inclined support 130. In particular, the floor support 140 serves to set and fix the installation angle of the solar cell module 121 together with the first fixing plate 153 of the support structure 150. To this end, the floor support 140 is composed of a pair of first floor support 141 and a pair of second floor support 143. The second bottom support 143 is coupled to the lower bent portion 136 on both side edges of the inclined support 130 as shown in Figure 4c to maintain the spacing of the inclined support 130 and improve the mechanical strength. On the other hand, the first floor support 141 is coupled to each other in the center portion of the inclined support 130. The first bottom support 141 is coupled with the fourth coupling hole 147 for coupling the inclined support 130 and the first fixing plate 151 of the support structure 150 and the angle of the solar cell module 121. The third coupling hole 145 for setting is formed. The third coupling hole 145 is for angle adjustment and coupling of the solar cell module 121 and is formed in plural to have an equal interval (or the same angle) on the virtual circle R as shown in FIG. 4C. do. 4 illustrates an example in which three third coupling holes 145 are formed in each of the first bottom support members 141. In the case of the illustrated first floor support material 141, the direction of the solar cell module 121 can be adjusted in units of 45 degrees, and if necessary, the number of third coupling holes 145 is adjusted to a smaller angle. It is also possible to adjust the direction. The third coupling hole 145 is formed to correspond to the fixing hole 153 formed in the first fixing plate 151. In addition, the first floor support member 141 may be configured as a single plate, such as the first fixing plate 151, but is configured in a pair as shown for reasons such as confirmation of the fixing hole 153 during installation work It is preferable. In addition, the coupling between the third coupling hole 145 and the fixing hole 153 may also use a fastening means such as a bolt as described above, but the present invention is not limited thereto.

5 is an exemplary view showing a support structure, Figure 5a is a plan view of the support structure, Figure 5b is an illustration showing a cross-sectional shape, Figure 5c is a side view of a section of the support structure.

5A to 5C, the support structure 150 includes a first fixing plate 151, a second fixing plate 163, and a guard rail 161.

The first fixing plate 151 is coupled to the first floor support 141 of the solar cell module 121 to fix the solar cell module 121 at a predetermined angle. The first fixing plate 151 is formed with a plurality of fixing holes 153 corresponding to the third coupling hole 145 formed in the first floor support 141 spaced apart from each other by a predetermined angle at the same distance with respect to the central portion. In addition, the first fixing plate 151 is coupled to span the pair of guard rails 161.

The second fixing plate 163 is installed at regular intervals along the track center interval section 10 to support the structure coupled to the guard rail 161 and the upper portion of the guard rail 161. The second fixing plate 163 is formed of a hexahedral block or hollow rectangular steel pipe to support the guard rail 161. In addition, the second fixing plate 163 may be fixed by being partially embedded in the ground of the track center interval section 10 or by the concrete structure 171 as shown in FIG. 5B. However, this does not limit the present invention, the concrete structure 171 may be omitted or replaced by other fixing means. In addition, the second fixing plate 163 is determined such that when the solar cell module 121 is coupled, the height of the highest point of the solar cell structure 120 is kept lower than the lower frame of the railway vehicle. Limiting the height of the second fixing plate 163 and the solar cell structure 120 is to minimize the influence of the wind pressure during the passage of the railway vehicle.

The guard rail 161 is provided with a pair of rails on the second fixing plate 163 in a direction parallel to the tracks (1a, 1b) of the railway line (1). The guard rail is supported by the second fixing plate 163 to couple and fix the first fixing plate 163, thereby fixing the solar cell module 121. The guard rail 161 may use a section steel having a cross-sectional shape of 'c' and 'ㅁ', and when the 'c' shaped section steel having one side is opened, it is preferable that the guard rail 161 is installed to face the opened portion. Do.

6 is an exemplary view for explaining an installation form of a solar cell structure according to the present invention.

Referring to FIG. 6, in the present invention, the solar cell structure 120 is installed and operated in a track center interval section 10 that is narrowly formed between the railway lines 1. Since the orbital center interval section 10 is formed along the railway line 1 as described above, it is freely formed in various directions without having a predetermined direction or a standardized form. Therefore, the solar cell structure 120 installed in the orbital center interval section 10 should be easily installed and operated even under the characteristics of the orbital center interval section 10, and yet it should be installed to have excellent power generation efficiency. Should be. As described above, the solar cell structure installed in the orbital center interval section 10 may have various constraints, that is, wind pressure, vibration caused by a vehicle, maintenance work, the shape of the curved orbital center interval section 10, and orbital center interval. In the section 10, it should be possible to solve the difficulty of setting the direction of solar collection.

The present invention proposes a solar cell structure 120 of the above-described configuration to solve this problem. In such a solar cell structure 120, the support structure 150 serving as an installation base of the solar cell module 121 is installed in the track center interval section 10 in parallel with the railway line (1). In addition, the direction of irradiation of sunlight shining on the orbital center interval section 10 is not constant and has various changes depending on the trajectory of the railway line 1. As shown in FIG. 9, the sunlight L may be irradiated in a direction parallel to the guard rail 161 of the support structure 150, or may be irradiated in a diagonal direction or a perpendicular direction. In order to collect the solar light in the orbital center interval section 10 in which the various solar irradiation directions occur, the direction of the solar cell module 121 must be freely set according to the installation position, and the solar cell module installed according to the set orientation. 121 is required to withstand the harsh environmental conditions of the operation of the railway vehicle.

Therefore, in the solar cell structure 120 of the present invention, the solar cell module 121 is configured to easily set the light collection direction, and proposed a configuration that enables easy installation in a set direction. In detail, as described above, the first bottom support 141 of the solar cell module 121 and the fixing plate 151 of the support structure 150 have a plurality of fixing grooves 153 and a third coupling hole formed in an annular shape. 145 is formed in plural. The fixing groove 153 and the third coupling hole 145 may change the direction of the solar cell module 121 by changing the position of the hole coupled by the coupling member when the solar cell module 121 is installed in the support structure 150. It can be set easily.

An example of such installation is shown in FIG. 6. In FIG. 6, some components are omitted and simplified for explanation. Arrows of (a) to (d) in FIG. 6 mean the sunlight irradiation direction when the amount of power generation is maximum. As can also be seen in Figure 6 for the guardrail 161 and the support structure 150 the direction of sunlight irradiation (L) is unspecified. For example, in (a), (b) and (c) show a case where sunlight is irradiated in a direction parallel to the guardrail 161, (d) in a direction orthogonal to (d). As can be seen through the drawings of (a) to (d) in the present invention, the alignment arrangement of the third coupling hole 145 and the fixing groove 153 of the solar cell module 121 is clockwise or counterclockwise. It is possible to optimize the light collection direction of the solar cell module 121 for the various solar irradiation direction (L) by rotating by, and by using a fixing means according to the rotated state.

1 and 2 are exemplary views for explaining a photovoltaic power generation system using a railroad track center interval section according to the present invention,

1 is a conceptual diagram for explaining the railroad track center interval interval.

Figure 2 is an exemplary view showing a photovoltaic power generation system of the present invention.

3 to 4 are views for explaining a module structure,

3A is a perspective view of the module structure.

Figure 3b is an exploded perspective view of Figure 3a.

3C is a side view of FIG. 3A.

4A is a view showing an inclined support among the module supports constituting the module structure of FIG.

try.

Figure 4b is an illustration showing a floor support of the module support.

Figure 4c is a plan view showing the combination of the inclined support and the bottom support.

5 is an exemplary view showing a support structure,

5A is a plan view of the support structure.

5B is an exemplary view showing a cross-sectional shape of the support structure.

5C is a side view of a section of the support structure.

6 is an exemplary view for explaining an installation form of a solar cell structure according to the present invention.

Claims (5)

In the photovoltaic power generation system installed in the track center interval section formed between the railroad tracks to separate two pairs of tracks, A solar cell structure including a support structure constructed in the track center interval section in a direction parallel to the track of the railroad line, and a plurality of module structures installed on the support structure in a solar collection direction; and And a power device that collects power generated from the solar cell structure and supplies the generated power to the outside. The peak height of the solar cell structure installed in the track center interval section is a solar power generation system using a rail track center interval section, characterized in that the height is lower than the bottom frame or body bottom surface of the railway vehicle running the railway line. The method of claim 1, The solar cell structure is A first fixing plate of the support structure in which a plurality of fixing holes are formed at equal intervals along an imaginary circle; and A bottom support of the module structure in which a plurality of coupling holes are formed in the same shape as the fixing hole; and fixed by fastening by means of coupling means penetrating the fixing hole and the coupling hole. Solar power generation system. The method of claim 2, The module structure The photovoltaic power generation system using a railway track center interval section, characterized in that the coupling hole is different from the fixing hole facing the fixing hole is coupled to the support structure by the coupling means. The method of claim 2, The module structure A solar cell module including a battery panel in which a plurality of battery cells are formed in a square plate shape, and a fixing panel supporting and fixing the battery panel; It is composed of a pair, and consists of a standing portion and the upper bending portion and the lower bending portion extending from the upper and lower ends of the standing portion, the inclined coupled to the two parallel sides of the solar cell module by the upper bending portion, respectively support fixture; And And a bottom support installed to connect the lower bent portion of the inclined support and having the coupling hole formed therein. The inclined support is a photovoltaic power generation system using a railway track center interval section, characterized in that the height of the standing portion is formed differently to secure the solar cell module inclined. The method of claim 2, The support structure A plurality of second fixing plates fixed to the ground at regular intervals in the track center interval section; A guard rail that is installed side by side with the track of the railway line on the second fixing plate to connect the second fixing plate; And And a first fixing plate fixed on the guard rail at regular intervals. The photovoltaic power generation system using the railroad track center interval section.

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