KR20200089869A - Parking system to indicating vacant parking lot - Google Patents

Abstract

The present invention provides a parking lot system, which uses a lighting line using an optical fiber as a parking line which divides a parking surface to easily identify a parking line to easily and safely use a parking space even if installed outdoors in rain or humidity while being electrically safe, but in some cases, such as at night or when the surroundings are dark due to fog. In addition, the illumination of the lighting line is controlled to brighten or darken depending on whether the vehicle is parked on the parking space, so that a user can easily check a vacant state of the parking surface. In particular, since the parking lot system of the present invention produces the lighting line in the form of a thin line, power is not supplied to the lighting line in the daytime. Since the lighting line is not visible, the outdoor can be utilized as a road or a general space, and the lighting line is turned on only when necessary and used as a parking space to increase space utilization.

Description

PARKING SYSTEM TO INDICATING VACANT PARKING LOT}

The present invention relates to a parking lot system that displays an empty parking surface, and more specifically, as the vehicle enters and exits the parking surface, the illuminance of the lighting line that divides the parking surface becomes brighter or darker, so that other drivers can empty the parking surface. It made it easy to know. In addition, since it is configured to display the parking surface with an illumination line using optical fiber, it is used as a road surface, road, and public area when not used as a parking lot, and can also be used as a parking lot at night. In addition, the lighting line using the optical fiber can be safely used even when it comes in contact with water or moisture, and can also emit light even when pressed or folded, making it safe and convenient to use for a long time.

The outdoor parking lot is used by drawing a parking line in an area that can be used as a parking lot such as a road surface, an intersection square, and an empty lot. In particular, such an outdoor parking lot is configured such that (patent document 1) to (patent document 3) below can be used for various purposes by using facilities such as blocks or trees.

(Patent Document 1) Korea Registration Utility No. 0343082

Regarding blocks used in outdoor parking lots, it melts waste glass to increase compressive strength and abrasion resistance, so it is not easily broken even in parking of trucks, and it is an eco-friendly outdoor parking lot floor using waste resources that do not need to be replaced frequently. Dragon glass blocks. The configuration for this is to crush the waste glass 47% by weight and melt it in a melting furnace; 50% of silica sand, 2% by weight of iron core and 1% by weight of other chemicals are mixed and melted in the molten waste glass; It is characterized by a technical constitution that the molten mixture is prepared by pouring into a mold and gradually cooling. It is preferable that grooves are formed on both sides of the glass block to form a space for growing grass, and anti-slip protrusions are formed on the upper surface of the glass block.

(Patent Document 2) Korean Patent Publication No. 10-2010-0019644

An outdoor parking lot structure having a drinking fountain for planting trees, comprising: a plurality of unit parking spaces having a predetermined length and a predetermined width and disposed adjacent to each other in a width direction; A first drinking fountain disposed adjacent to the plurality of unit parking spaces in a second direction, which is a length direction of the plurality of unit parking spaces, and having a planting space of a certain length and width to enable planting of at least one tree, At the edge of the first drinking water, the first drinking water and the plurality of unit parking spaces are separated and at least one boundary of a certain height is arranged to function as a car stopper of a parked vehicle. . According to this, it is possible to minimize the urban heat island effect and the increase in the indoor temperature of the vehicle by creating a shade in the parking lot by increasing the amount of planting without additional demand of the parking lot area, and improving the urban environment. In addition, there is no need to separately install a car stopper, and there is an effect of inducing parking so that the parking position can be easily confirmed through trees.

(Patent Document 3) Korea Open Room No. 20-2013-0000390

The present invention relates to an outdoor parking lot block assembly including a main portion and parking portions disposed on both sides of the main portion, the main block being installed to be connected to each other in the main portion and the parking portion, and installed in connection with the main block , A boundary between the main portion and the parking portion, a plurality of boundary blocks provided at a boundary portion between each unit parking space of the parking portion, and a plurality of jams arranged to protrude in line for each unit parking space to prevent excessive entry of the vehicle Vegetation by the vehicle user moving along the taxiway in an outdoor parking lot, including a block and a plurality of taxiway blocks respectively installed in the longitudinal direction at portions adjacent to the parking sections of the main portion and used as taxiways of the vehicle users. It solves the problem of falling over or slipping off the shoes.

However, the existing outdoor parking lot has the following problems.

(1) When an outdoor parking lot is wide or long, it is difficult to find an empty parking surface, so a driver of the vehicle who wants to park must turn around the outdoor parking lot to find an empty parking surface.

(2) In order to solve this problem, even in an outdoor parking lot, it is necessary to install a device capable of checking whether a vehicle is parked on each parking surface, but it is difficult to install such a checking device.

(3) In particular, since such a verification device must use electricity, the verification device exposed to the surrounding environment, such as rain or snow, can easily break down or cannot be used for a long time, and cannot be safely used electrically.

(4) On the other hand, since the parking space is partitioned by drawing a parking surface with luminous paint, etc., it is easy to identify the parking surface during the day, but it is not easy to identify the parking surface when the surroundings are dark due to night or fog.

(5) Accordingly, facilities such as street lights should be provided around the outdoor parking lot so that the parking side can be easily distinguished. In outdoor parking lots without such facilities, it is difficult to park at night or when it is dark around.

(6) One way to solve this problem is to install a parking line using LED-like lighting on the edge of the parking surface to park the vehicle and supply power to this parking line to emit LED-like lighting. By doing so, it is possible to configure the parking line to be easily visible even at night or when it is dark, but such a parking line has the following problems.

(7) Since it is necessary to supply power to lights such as LEDs that make up the parking line, the parking line installed on the ground or the road surface is exposed to rain, snow, and moisture while exposed to the open air. There is a risk of safety accidents.

(8) To solve this problem, it is necessary to prevent the parking line from being exposed to the outside or prevent rainwater or moisture from infiltrating by using a waterproof member. However, when the parking line is not exposed to the outside, the luminous effect is reduced, and in order to add a waterproof member, an additional process is added, which decreases productivity and increases manufacturing cost.

(9) Also, even if the cover or waterproof member is well constructed, after long use, the cover or waterproof member is peeled off due to friction with tires, etc., and the parking line using electric power may be exposed to rain, moisture, etc., and may be in danger.

(10) On the other hand, the existing outdoor parking lot has a discomfort that can not be used as a space other than the parking lot during the daytime because the parking line that divides the parking surface is always visible even during the daytime.

Korean Registration Utility No. 0343082 (Registration Date: 2004.02.13) Korean Patent Publication No. 10-2010-0019644 (Publication date: 2010.02.19) Korea Open Room No. 20-2013-0000390 (Public date: 2013.01.16)

The present invention takes this point into consideration, and it is easy to create a parking space by easily identifying the parking line even at night while being electrically safe even if it is installed in a rainy or humid outdoor environment using a lighting line using an optical fiber as a parking line that divides the parking surface. Convenient and safe to use, and also provides a parking system that displays an empty parking surface that allows the parking surface to be easily identified by controlling the lighting line to become brighter or darker depending on whether the vehicle is parked or not. It has its purpose.

In particular, the present invention is to make the lighting line in the form of a thin line, so that the power is not supplied to the lighting line during the daytime so that the lighting line is invisible when the lighting line is not turned on, so that the outdoor can be used as a road or general space, Another object is to provide a parking lot system that displays an empty parking surface that allows the lighting line to be turned on only when necessary, such as when it is dark at night or when it is used, to increase space utilization.

A parking lot system for displaying an empty parking surface according to the present invention for achieving this purpose is a parking system (P) partitioned by an area capable of parking a vehicle in a parking lot system for displaying an empty parking surface for partitioning a parking surface. It is installed on the edge, but made of optical fiber, irradiating light to the optical fiber and the illumination line (10) with a light source installed away from the ground; A power supply device 20 for supplying power to the light source of the lighting line 10; A switching means 30 mounted between the light source of the lighting line 10 and the power supply 20 to control power so as to adjust the illuminance of the lighting line 10; A detection means 40 for detecting the advancing and exiting of the vehicle V by being installed in or around the illumination line 10 in which the vehicle enters and exits; And a controller 50 for controlling the illuminance of the lighting line 10 to display an empty parking surface based on the detection signal of the detection means 40.

In particular, the switching means 30 is characterized in that to detect the brightness with a timer or illuminance sensor to cut off the power supply.

In addition, the detection means 40, a motion detection sensor for detecting that the operation continues to proceed for a predetermined time, a pressure sensor for detecting the pressure twice during a predetermined time, the brightness of the illumination line 10 It is characterized in that it is an illuminance sensor or an optical fiber sensor to detect.

And the illumination line 10 is characterized in that it is made of a plastic optical fiber. At this time, the plastic optical fiber is characterized in that it comprises a core made of a high purity acrylic resin (PMMA: Polymethyl methacrylate) and a special fluorine polymer (F-PMMA: Fluorine Polymethyl methacrylate).

In addition, the power supply device 20 is characterized in that the battery, commercial power, or power obtained from a solar panel.

Finally, the controller 50 controls if the parking surface P is empty and then the vehicle enters, so that the illumination of the lighting line 10 is weakened to be in a parked state. When the vehicle parked in P) advances, it is characterized in that the illuminance of the lighting line 10 is strengthened to control the vehicle to exit.

A parking lot system displaying an empty parking surface according to the present invention has the following effects.

(1) It detects that the vehicle enters and exits the parking surface and controls the illuminance of the lighting line to increase when the parking surface is empty, so that the driver looking for a parking space can find an empty seat surface easily even when the surroundings are dark due to night or fog. do.

(2) In particular, in an outdoor parking lot, it is difficult to install a facility that can confirm that the parking surface is empty, but the present invention shows that the seat surface is empty by adjusting the illuminance of an illumination line using an optical fiber, so that the structure is The effect of finding a simple but empty parking surface can be enhanced.

(3) In particular, since the parking surface is partitioned by using an illumination line using an optical fiber, it is possible to safely use it even if it is raining or being pressed by a vehicle because the illumination line is illuminated with light instead of directly illuminating the illumination line using electric power.

(4) Even if the size, shape and shape of the parking lot are complicated, it can be manufactured and used according to the desired size, width and shape through the lighting line.

(5) In addition, since the lighting line is illuminated by using light, the lighting line does not transfer heat, and thus the lighting line can be safely and conveniently used in electrical hazards such as aging, fire, and spark.

(6) In particular, since a specific wavelength band of the visible light band is used, a parking lot system in which a lighting line is displayed in various colors to easily display an empty parking surface in a desired shape can be used.

(7) Once installed, maintenance such as disconnection, short circuit, and discharge does not occur easily, and maintenance is easy.

(8) On the other hand, when not in use as a parking lot, the lighting line is configured to be turned off, so the lighting line produced in the form of a thin line like a cable is not easily visible, and the space where the parking lot system is installed is displayed as a road. Or, it can be used as a general space to increase space utilization.

(9) Meanwhile, an illumination sensor, a pressure sensor, and an optical fiber sensor can be used as the detection means. In particular, if an optical fiber sensor is used as the detection means, the optical fiber itself can also be used as a sensor, so the vehicle can be illuminated without having a separate detection means. It is convenient because it can immediately detect that the light intensity is changed due to the pressure change generated as it passes the line.

(10) In addition, by using an optical fiber sensor, it is possible to detect that the light intensity varies anywhere across the entire lighting line using the optical fiber, so even if the vehicle enters or exits the lighting line in a direction other than the specified direction, the parking state can be accurately determined. Can be detected.

1 is a plan view showing an application example of a parking lot system displaying an empty parking surface according to the present invention.
2 is a plan view showing one parking surface to which a parking system that displays an empty parking surface according to the present invention is applied.
3 is an enlarged cross-sectional view showing a cross-sectional structure of an illumination line made of an optical fiber according to the present invention.
4 is a plan view showing a state in which a vehicle is parked on a parking surface according to the present invention.
5 is a plan view showing a state in which a vehicle is removed from a parking surface according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. Prior to this, the terms or words used in the specification and claims should not be interpreted as being limited to ordinary or dictionary meanings, and the inventor may appropriately define the concept of terms in order to explain his or her invention in the best way. According to the principle that it can be interpreted as a meaning and concept consistent with the technical idea of the present invention.

Therefore, the configuration shown in the embodiments and drawings described in this specification is only one of the most preferred embodiments of the present invention and does not represent all of the technical spirit of the present invention, and various equivalents that can replace them at the time of this application It should be understood that there may be and variations.

(Configuration)

Parking lot system for displaying an empty parking surface according to the present invention, as shown in [Fig. 1] to [Fig. 5], lighting line 10, power supply 20, switching means 30, detection means 40 , And a controller 50.

In particular, the lighting line 10 partitioning the parking surface (P) is configured by using optical fibers and receiving light from a light source away from the ground to emit light, so that rain or moisture does not contact the light source and the lighting line (10) By not using this direct power, it is possible to safely and easily build a street parking system while preventing heat or electrical accidents such as discharge and short circuit.

In addition, the lighting line 10 is configured so that it can be identified only when it is necessary, such as at night or fog, when the surroundings are dark and when advertising or events, so the lighting line 10 made of a thin line when not used as a parking lot This is to improve the space utilization by using the space where the parking lot system that displays the empty parking surface is used as a road or as a general vacant lot.

Meanwhile, the controller 50 detects that the vehicle V comes in and out of the parking surface P through the detection means 40 and attempts to park the parking surface P by increasing the illuminance of the illumination line 10 when the parking surface P is empty. It made it easy for the driver to check the empty parking space.

Hereinafter, this configuration will be described in more detail with reference to the accompanying drawings.

<light line>

The lighting line 10 is installed to distinguish the parking surface P when constructing a parking lot system displaying an empty parking surface according to the present invention, as shown in [FIG. 1] to [FIG. 5]. Here, the parking surface P is a space for parking a vehicle, and means a space partitioned by an area capable of parking a single vehicle, but is not limited thereto.

On the other hand, the lighting line 10, as shown in [Fig. 1] and [Fig. 2], is installed along the edge of the parking surface (P). At this time, the lighting line 10 is by using the light using the optical fiber, even if the lighting line 10 is installed on a parking surface (P) with a lot of moisture or moisture, safety that can occur electrically such as discharge or short circuit It is desirable to be able to prevent accidents from occurring.

Here, the optical fiber used for the illumination line 10, as shown in [Fig. 3], a core 11 through which light for substantially transmitting data or the like passes, and a clad surrounding the outside of the core 11 (Clad) ( 12), and the cladding 12 is configured to include a coating layer 13 to protect the outside. At this time, the core 11 serves as a passage through which light substantially passes as indicated by arrows. In addition, damage to the clad 12 causes light passing through the core 11 to leak out of the optical fiber to be used as an illumination line. Such an illumination line 10 is commonly known as a side light.

On the other hand, in a preferred embodiment of the present invention, it is preferable that the optical fiber used in the illumination line 10 is made of plastic optical fiber. This is because the plastic optical fiber can be easily bent or a complicated shape can be easily implemented, so that the desired lighting line 10 can be made of a plastic optical fiber suitable for the shape of the parking surface P.

In addition, in a preferred embodiment of the present invention, the plastic optical fiber used in the illumination line 10 has a core made of high-purity acrylic resin (PMMA: Polymethyl methacrylate), and a clad is a special fluorine polymer (F-PMMA). : Fluorine Polymethyl methacrylate) is preferred.

The lighting line 10 made as described above is preferably installed at an area capable of parking a single vehicle, as illustrated in [FIG. 1] and [FIG. 2].

The advantages of the lighting line 10 using the optical fiber according to the present invention are as follows.

(1) Since cold light is used to transmit light using the frequency band of visible light, it is possible to prevent the lighting line from overheating or being damaged because heat transfer is not performed.

(2) Since it does not transmit electricity directly, it transmits light and functions as a light, so even if it is installed in a rainy or humid place where a lighting line is installed, it can be used safely and safely without fear of electric leakage or discharge.

(3) The optical fiber has a low risk of damage and can be used for a long time, and can be safely used even if a vehicle passes over the lighting line.

(4) In particular, the lighting line using an optical fiber can be easily bent, so that a desired shape can be freely implemented to suit a complex shape or a shape of an outdoor or parking lot area.

(5) Since the lighting line can be manufactured in the form of a line with a small diameter, if the light is not transmitted through the lighting line, the lighting line will not be properly visible. It can be utilized as.

Finally, although the illumination line 10 is not shown in the drawing, it has a light source that provides light to the optical fiber. At this time, as an example of a light source that can be used, LED may be exemplified.

In a preferred embodiment of the present invention, the light source is connected to the illumination line 10, but is preferably installed away from the ground. This means that when rain or rain occurs on the ground, water is wet or damp, or when cleaning water, even if water, moisture, and rain water come into contact with the lighting line 10, water, moisture, and rain water do not come into contact with the light source, resulting in disconnection or short circuit. Or, it is to ensure that safety-related accidents such as discharge do not occur and can be safely used.

<Power supply>

The power supply device 20 is a device for supplying power to a light source irradiating light to the above-described illumination line 10, as shown in FIGS. 1 and 2.

The power supply device 20 may be any device that can supply power to the light source as described above. For example, the power obtained by using a battery, commercial power, and a solar panel manufactured by conventional technology may be used. Can be used. Here, the battery may be a disposable battery that can be used once and discarded, or a battery that can be used for charging and discharging, and the commercial power is when an AC power such as 110V or 220V, which is usually used in the home, is used when using such power. Therefore, an AC/DC converter may be required. In addition, the photovoltaic panel uses a panel manufactured by a conventional technique for producing electric power by converting to direct current using sunlight.

In a preferred embodiment of the present invention, by using a solar panel as the power supply device 20, it is most preferable to be configured to be conveniently used without having a separate power supply means. At this time, although not shown in the drawings on the solar panel, a storage device for storing the generated power, and a supply line for supplying the power stored in the storage device or the power obtained from the solar panel to the light source of the above-described lighting line 10, etc. Anyone who is skilled in the art to which the present invention pertains to constructs, including, will readily appreciate.

The power supply device 20 is one having a capacity capable of obtaining sufficient power for use in the lighting line 10 described above.

<Switching means>

The switching means 30 is a means for supplying or blocking power between light sources that supply light to the lighting line 10 in the above-described power supply device 20, as shown in FIGS. 1 and 2.

The switching means 30 is configured to basically cut off the power supply during the day as shown in FIG. 2 and supply power only at night as shown in FIG. 4. However, the switching means 30 is switched so that power is supplied to the lighting line 10 even during the day when it is necessary to turn on the lighting line 10 during the dark or daytime as well as at night due to fog. It is desirable to configure.

Accordingly, the switching means 30 is configured to supply power required for the lighting line 10 by means of recognizing day and night, or by setting a power supply time.

To this end, the switching means 30 turns on the illumination line 10 through an illuminance sensor that can detect day and night by detecting when the surroundings are dark and bright, or a timer that can be set to turn on only for a desired time. It is desirable to control.

<Detection means>

The detection means 40, as shown in [Fig. 2] and [Fig. 4], is installed on the lighting line 10 provided on the edge of the parking surface P to detect the entrance and exit of the vehicle V. Thus, the detection means 40 is installed at a position where the vehicle enters and exits the parking surface P.

In FIG. 2, the detection means 40 is described as an example in which only one of the four segments constituting the parking surface P is installed, but in the longitudinal direction of the parking surface P according to the structure of the outdoor parking lot. Since the vehicle (V) can enter and exit from both sides, it is preferable to install the detection means (40), one on each side of the parking surface (P).

In addition, in a preferred embodiment of the present invention, any one that can detect the entry and exit of the vehicle can be used as the detection means 40, but exemplarily, a motion detection sensor, a pressure sensor, an illuminance sensor, and an optical fiber sensor Can be used. At this time, the motion detection sensor may be mounted to detect the movement of the vehicle V, for example, to detect the movement under the vehicle V, or to detect the movement on the side of the vehicle V. . In addition, since the pressure sensor must detect the vehicle V through its weight when the vehicle V passes, it is preferable to determine the mounting position in consideration of the maximum range that the tire can pass. In addition, the illuminance sensor may be mounted anywhere the vehicle V can detect the brightness of the lighting line 10 that varies as the vehicle V rides over the lighting line 10 to park. Lastly, an optical fiber sensor is a sensor that uses the intensity of light passing through an optical fiber or a refractive index length polarization state, among other factors, the lighting line 10 according to whether a vehicle passes through the lighting line 10 or not. It detects whether the vehicle is parked by detecting the intensity of light according to the pressure change applied to.

At this time, when the motion detection sensor is used, when there is continuous motion for a predetermined time, that is, when the motion continues until the vehicle V passes, and the pressure sensor has a front wheel and a rear wheel for a predetermined time, respectively. When the pressure sensor has passed, it is determined that there is an entry/exit of the vehicle V, respectively. In addition, the illuminance sensor, like a pressure sensor, detects the brightness of light transmitted through the deformation of the lighting line 10 as the tire presses the lighting line 10 to determine the entrance and exit through the brightness. In addition, the optical fiber sensor uses a property in which light intensity is changed using pressure.

In a preferred embodiment of the present invention, the detection means 40 is most preferably mounted with an optical fiber sensor. Since the optical fiber sensor can be used as a sensor as an optical fiber itself, it is not necessary to add a separate detection means, and the entire lighting line 10 can be used as a detection sensor. This is because it is possible to accurately and quickly detect whether or not parking is available.

The detection means 40 mounted as described above outputs a signal detected by the entry/exit of the vehicle V to the controller 50 to be described later.

<controller>

The controller 50 controls the illuminance of the illumination line 10 by receiving two detection signals through the above-described detection means 40, as shown in [FIG. 2] and [FIG. 4]. It is judged that when detecting only once or detecting for a shorter period of time than when the vehicle being parked exits the parking surface during parking or when a vehicle changing the driving direction accidentally enters the parking surface P, it will not be parked. To make it possible.

In particular, the controller 50 lowers the illuminance of the lighting line 10 when there is a vehicle V on the current parking surface P, so that the driver of another vehicle can know that the vehicle is in a parking state, and on the contrary, the current parking surface P ) When there is no vehicle (V), the illuminance of the lighting line (10) is increased to make it possible to know that the parking surface (P) is empty. In addition, the controller 50 sometimes cuts the power supplied to the light source of the lighting line 10 to control the lighting line 10 to be in a completely off state, so that the lighting line 10 is easily visible to the eye. It is possible to control the parking space to be used as a space other than the parking lot by making it impossible to check.

In this state, the controller 50, as shown in FIG. 4, lights through the switching means 30 as the vehicle V parks on the empty parking surface P through the detection means 40 By reducing the amount of power supplied to the light source of the line 10 to lower the illuminance of the lighting line 10, it is possible to know whether the vehicle is out of parking or parked.

In addition, the controller 50, as shown in Figure 5, the light source of the illumination line 10 again as the vehicle (V) parked on the parking surface (P) empty through the detection means 40 escapes By increasing the amount of power supplied to the illumination line (10) to increase the illuminance to brighten the parking surface (P) to know that the empty state.

As described above, since the present invention uses an optical fiber as an illumination line, it can be used safely and conveniently even when it is wet or rainy, and also it can be turned on only when necessary to partition the parking line, so when not in use as a parking space Can be used for other purposes, thereby increasing space utilization.

In particular, the present invention detects the state of the vehicle entering and exiting the parking surface through the detection means, and controls the lighting line to be turned on or off according to the result. The system can be easily constructed and used conveniently outdoors or outside where it is difficult to mount the system.

10: lighting line
20: power supply
30: switching means
40: detection means
50: controller
P: Parking side

Claims (7)

In a parking lot system that displays an empty parking area that divides the parking surface,
It is installed on the edge of the parking surface (P) partitioned to the extent that can park the vehicle, made of optical fiber, irradiated with light to the optical fiber and the lighting line 10 with a light source installed away from the ground;
A power supply device 20 for supplying power to the light source of the lighting line 10;
A switching means 30 mounted between the light source of the lighting line 10 and the power supply 20 to control power so as to adjust the illuminance of the lighting line 10;
A detection means 40 for detecting the advancing and exiting of the vehicle V by being installed at or around the illumination line 10 for advancing and exiting the vehicle; And
And a controller 50 for controlling the illuminance of the lighting line 10 to display an empty parking surface based on the detection signal of the detection means 40. Parking system.
In claim 1,
The switching means 30,
A parking lot system displaying an empty parking surface, characterized in that brightness is detected by a timer or an illuminance sensor, and power supply is cut off.
In claim 1,
The detection means 40,
Motion detection sensor that detects that the operation continues for a predetermined time,
Pressure sensor that detects the pressure twice in a predetermined time,
A parking lot system displaying an empty parking surface, characterized in that it is an illuminance sensor or an optical fiber sensor for detecting the brightness of the lighting line 10.
In claim 1,
The lighting line 10,
A parking system that displays an empty parking surface, characterized in that it is made of plastic optical fiber.
In claim 4,
The plastic optical fiber,
A parking system that displays an empty parking area, comprising a core made of high-purity acrylic resin (PMMA: Polymethyl methacrylate) and a clad made of special fluorine polymer (F-PMMA: Fluorine Polymethyl methacrylate).
In claim 1,
The power supply 20,
A parking lot system that displays an empty parking surface, characterized in that the battery, commercial power, or power obtained from a solar panel.
In any one of claims 1 to 6,
The controller 50,
If, when the parking surface (P) is empty and the vehicle enters, the illumination of the lighting line 10 is weakened to control the parking state,
If, when the vehicle parked on the parking surface (P) advances, a parking system that displays an empty parking surface, characterized in that the illumination of the lighting line 10 is strengthened to control the exit state.

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