KR102380571B1 - Self-powered street light - Google Patents

Abstract

The present invention relates to a self-powered streetlight to be operated without external power. According to the present invention, the self-powered streetlight comprises: a streetlight support including a light emitting unit; a base stone on which the streetlight support is installed; a storage battery box accommodated in a storage battery box receiving space formed as a constant space in the base stone and having a power storage unit supplying power to the light emitting unit; and a multi-stage generator storing the power in the power storage unit and supplying the power to the light emitting unit of the streetlight support. The multi-stage generator includes: a rotation unit rotating by an external force including wind power and water power; a shaft connected to the center of rotation of the rotation unit; and at least one power generation module provided on the shaft to generate power. The power module includes: a magnetic unit connected to the shaft to rotate and including a plurality of magnets whose polarities are arranged in the radial direction from the shaft; a coil unit provided to surround the outside of the magnetic unit and including a plurality of coils wound in a circumferential direction such that polarities are arranged in the radial direction from the shaft; and a support unit to which the coil unit is fixed and supported.

Description

Self-powered street light

The present invention relates to a self-powered street light, and more particularly, to a street light system that can be operated through self-generation without the supply of electricity.

In general, street lamps are installed on roads, parks, apartment complexes, etc. to promote safety during night driving of vehicles or pedestrians at night and at the same time to improve the surrounding aesthetics. It will be installed at a certain distance across the

Therefore, in order to control the lighting of the street lamp selectively turned on only at night, it is common to install a timer in a control panel installed at every predetermined section and control the lighting time of the street lamp by the timer.

However, since the conventional street lamp consumes about 200 to 400 W of electricity per hour, the annual power consumption is quite large, so the electricity bill burden is increased.

So, in recent years, a power generation module with a built-in solar concentrator or wind power generator, a storage battery that stores electricity produced by the power generation module, an inverter that converts the DC electricity supplied from the storage battery into AC electricity used to turn on, and a storage battery The use of self-powered street lamps is gradually increasing, which is composed of an integrated control unit that prevents over-discharge of electricity, controls the operation of the inverter, and controls the on and off of the street lamps in an integrated manner.

However, in the conventional power system of self-generated street lamps as described above, electricity produced by the power generation module during the day is stored in a storage battery installed inside the street lamp, and when it is time to turn on the street lamp after the sun goes down, the storage battery installed inside the street lamp The electricity stored in the store is used to turn on the street lamp.

Therefore, there is not enough daytime sunlight for the power generation module built into the solar cell installed on the photovoltaic panel to produce enough electricity, or the wind enough that the power generation module installed with the wind power generator can produce enough electricity. If the amount of electricity stored in the storage battery is insufficient due to a case in which the light is not turned on, there is a problem in that the street lamp cannot be continuously turned on for the time when the street lamp should be turned on after the sun goes down.

The present invention provides a structure for turning on a street light by using a new renewable energy system generator that turns on a street light only with a generator and a battery without electric energy supply.

In addition, the present invention provides a means for maintaining the humidity of the accommodation space accommodating the storage box for storing the generator and the battery without external electricity supply.

Self-powered street light according to the present invention, a street lamp post provided with a light emitting unit; a foundation stone on which the street lamp post is installed; a capacitor box accommodated in a storage box accommodating space formed in a predetermined space in the base stone, and a power storage unit for supplying power to the light emitting unit; and a multi-stage generator for storing power in the power storage unit and supplying power to the light emitting unit of the street lamp post;

The multi-stage generator may include: a prime mover rotating unit rotated by external force including wind power and hydraulic power; a shaft connected to the center of rotation of the prime mover; and at least one power generation module provided on the shaft to generate electricity.

The power generation module is connected to the shaft and rotates, and the magnetic part is provided with a plurality of magnets whose polarities are arranged in a radial direction from the shaft; a coil part provided to surround the outside of the magnetic part and having a plurality of coils wound around the shaft so that polarities are arranged in a radial direction in a circumferential direction; and a support part to which the coil part is fixed and supported.

In addition, the magnetic part, the magnetic part body is formed in the shape of a hollow circular plate, the shaft is fixed in a central axis direction, and a first receiving groove is formed in a radial direction; and a magnetic pocket provided to surround the outer periphery of the magnet and made of a conductive plastic material, wherein the magnet and the magnetic pocket may be inserted into the first receiving groove of the magnetic unit body.

The coil unit may include a coil unit body formed in a hollow circular plate shape, provided to surround an outer circumferential surface of the magnetic unit, and having a second receiving groove formed in a radial direction; and a coil part including a winding core on which the coil is wound, and a coil wound on an outside of the winding core part, wherein the coil part may be accommodated in the second receiving groove.

In addition, a plurality of the power generation module may be provided on the shaft.

In addition, the plurality of magnets may be alternately arranged in polarities along a circumferential direction of the magnetic unit body.

In addition, an anchor bolt may be provided around the street light post of the street light base stone to fix the street light post.

In addition, a waterproof cover may be provided around the street lamp post among the surfaces of the street lamp base stone.

In addition, it is provided so as to be able to open and close the upper part of the storage box accommodation space, and a cover is provided in which an air passage through which external air passes is provided, and the multi-stage generator can generate electricity using air passing through the air passage. there is.

In addition, a discharge port for discharging the internal water to the outside may be formed on one side of the lower portion of the storage box accommodating space.

In addition, it may include a thermal equilibrium condensing unit provided at a point adjacent to the outlet of the bottom surface of the storage box accommodating space to condense moisture inside the storage box accommodating space.

In addition, the thermal equilibrium condensing unit, a plurality of Peltier elements are arranged so as to be inclined downward toward the outlet, the upper portion is controlled cooling and the lower portion is a Peltier layer at the same time heat dissipation; a condensing unit provided on the Peltier layer to perform heat exchange with the internal air of the capacitor box accommodating space; a heating unit provided to be in contact with the lower portion of the Peltier layer and extending toward the bottom of the capacitor box accommodating space along the lower inclined surface of the Peltier layer; an exposed portion exposed along a bottom surface of the capacitor box accommodating space from an end of the heating portion; and a heat insulator provided between the condensing unit and the heating unit and between the condensing unit and the exposed unit to block heat transfer.

According to the present invention, the initial power to generate the generator is provided from the battery, and the generator supplied with the initial power is driven by three power sources, of which one power source generates power to turn on a street light, and two power sources generate power to power the battery. By conserving electricity, the streetlight can be operated without a separate external power supply.

In addition, according to the present invention, there is an effect that can remove moisture from the inside while maintaining the temperature inside the base stone.

1 is a schematic diagram showing a street lamp according to an embodiment of the present invention.
2 is a block diagram illustrating an electrical configuration according to an embodiment of the present invention.
3 is a perspective view illustrating a thermally balanced condensing unit according to an exemplary embodiment.
4 is a perspective view showing a state of a multi-stage generator according to an embodiment.
5 is a schematic diagram illustrating a state of a multi-stage power generation module of a multi-stage generator according to an embodiment.
6 is a schematic exploded perspective view showing the state of the multi-stage power generation module of FIG.
7 is a perspective view illustrating a state of a magnetic part according to an exemplary embodiment.
8 is a perspective view illustrating a state of a coil unit according to an exemplary embodiment.
9 is a schematic diagram illustrating a relative position of a magnetic part and a coil part according to an exemplary embodiment.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. Unless there is a specific definition or reference, the terms indicating the direction used in this description are based on the state indicated in the drawings. Also, the same reference numerals refer to the same members throughout each embodiment. On the other hand, each component shown in the drawings may have an exaggerated thickness or dimension for convenience of description, and does not mean that it should actually be configured in a ratio between the corresponding dimensions or components.

A self-powered street lamp according to an embodiment will be described with reference to FIG. 1 . 1 is a schematic diagram showing a street lamp according to an embodiment of the present invention.

The self-powered street lamp according to the present invention is accommodated in a street lamp post 320 having a light emitting unit, a base stone 300 in which a street light post is installed, and a capacitor box accommodating space 350 formed in a certain space within the base stone, and is accommodated in the light emitting unit It includes a multi-stage generator 10 for storing power in the power storage unit 400 and the power storage unit having a power storage unit for supplying power and supplying power to the light emitting unit of the street lamp post (320).

A cover 410 is provided on the upper portion of the storage box accommodating space 350 to enable opening and closing. An air flow path 415 is formed in the cover 410 to allow external air to pass therethrough. The multi-stage generator 10 may generate electricity using air passing through the air passage 415 .

In addition, an anchor bolt 310 may be provided around the street lamp post 320 of the street light base stone 300 . The anchor bolt 310 is a component for fixing the street lamp post. A waterproof cover 305 may be provided around the street lamp post 320 of the surface of the street light base stone 300 . The waterproof cover 305 prevents water from penetrating downward through the street lamp post 320 and the like.

A discharge port 390 for discharging the internal water to the outside may be formed on the lower surface of the storage box accommodating space 350, and a light emitting part of the street lamp pole 320, for example, a wiring for supplying power to an LED is installed. A wiring space 360 may be connected thereto.

A thermal equilibrium condensing unit 600 provided at a point adjacent to the outlet 390 of the bottom of the storage box accommodating space 350 to condense moisture inside the storage box accommodating space 350 is provided.

The thermal equilibrium condensing unit 600 may condense moisture to flow toward the drain 390, and at this time, the periphery of the drain 390 receives water flowing from the thermal equilibrium condensing unit 600 and drains 390. An inclined surface 395 that gathers to the side may be further formed.

An electrical configuration will be described with reference to FIG. 2 . 2 is a block diagram illustrating an electrical configuration according to an embodiment of the present invention.

The multi-stage generator 10 according to the present embodiment provides the generated power to the light emitting unit 325 during power generation, and stores the remaining power in two batteries B1 and B2 and a pair of supercapacitors C1 and C2. The PCB control unit 500 and the battery/supercapacitors 510 are accommodated and protected in the aforementioned storage box.

In the case of a disaster such as a flood, a waterproofing pad is installed to prevent rainwater from penetrating the storage box installed in the base stone of the street lamp, and the bolt is tightened so that only the maintainer can open it. The waterproofing ability of the capacitor and generator box in the base stone of the street lamp is maintained to prevent rainwater from penetrating even in the event of a disaster such as a flood by maintaining a waterproof rating of IP67 or higher.

The light emitting unit 325 is provided on the street lamp post and is automatically turned on and off according to the sunrise and sunset times by an automatic timer function.

When only the initial driving energy from the battery/supercapacitor 510 is provided to the multi-stage generator 10 , power is generated by magnetic force to provide power to the light emitting unit 325 and the remaining power is stored.

A thermal equilibrium condensing unit will be described with reference to FIG. 3 . 3 is a perspective view illustrating a thermally balanced condensing unit according to an exemplary embodiment.

The thermally balanced condensing unit 600 includes a Peltier layer 620 , a condensing unit 610 , a heating unit 630 , an exposed unit 640 , and an insulating unit 650 .

A plurality of Peltier elements are arranged so that the Peltier layer 620 is inclined downwardly toward the outlet. The upper part of the Peltier elements is controlled to be cooled, and the lower part is heat-dissipated at the same time.

The condensing unit 610 is provided on the top of the Peltier layer to condense the surrounding water vapor according to the cooling action while performing heat exchange with the air inside the storage space of the capacitor box.

The condensed portion 610 is formed as in the shape of a conventional heat sink, but the bottom surface of the inner groove forms an inclined surface corresponding to the inclined surface of the Peltier layer 620. It can flow along the bottom.

The heating unit 630 is provided to be in contact with the lower portion of the Peltier layer 620 and is formed along the inclined surface, and extends upwardly toward the bottom of the capacitor box accommodation space along the lower inclined surface of the Peltier layer. The exposed portion 640 is exposed in parallel along the bottom of the capacitor box accommodating space from the end of the heating unit 630 . The heating unit 630 and the exposed unit 640 may be connected to receive heat emitted from the lower surface of the Peltier layer 620 .

The heat insulating unit 650 is provided between the condensing unit 610 and the heating unit 630 and between the condensing unit 610 and the exposed unit 640 to block heat transfer.

In order to turn on the street light, the electric wire coming from the power transmission pipe must be buried in the ground. In this case, the construction cost is high when constructing the lead-in line installed in the ground, and the electricity cost is high.

In the case of the street lamp according to the present embodiment, a multi-stage generator or solar panel is additionally installed and operated in parallel, so that the street lamp can be smoothly operated without external power supply.

A multi-stage generator according to an embodiment will be described with reference to FIGS. 4 to 6 . 4 is a perspective view showing the appearance of a multi-stage generator according to an embodiment of the present invention, FIG. 5 is a schematic diagram showing the appearance of a multi-stage power generation module of the multi-stage generator according to an embodiment, and FIG. 6 is the multi-stage power generation module of FIG. It is a schematic exploded perspective view showing the appearance of

The multi-stage generator 10 according to the present invention includes a prime mover rotating unit 200 , a power generation module 100 , and a shaft 50 .

The motor rotation unit 200 is rotated by an external force including wind power and hydraulic power to generate a rotational force. The shaft 50 is connected to the rotation center of the prime mover rotating part 200 through the fastening part 51 and the like, and functions to transmit the rotational force of the prime mover rotary part 200 to other components fixed to the shaft 50 . A plurality of power generation modules 100 are provided on the shaft 50 to generate power using the rotational force transmitted from the prime mover rotating unit 200 .

6, the power generation module 100 includes a magnetic unit 110 provided with a plurality of magnets whose polarities are arranged in a radial direction from the shaft 50, and a coil unit provided to surround the outside of the magnetic unit ( 120 and a support part 130 to which the coil part 120 is fixed and supported. The support part 130 is formed in the shape of a hollow circular plate, and is fixed to the outside to maintain a fixed state together with the coil part 120 even when the shaft 50 and the magnetic part 110 rotate.

The magnetic part will be described with reference to FIG. 7 . 7 is a perspective view illustrating a state of a magnetic part according to an exemplary embodiment.

The magnetic part 110 includes a magnetic part body 1101 , a first receiving groove 1103 , a magnetic pocket 1195 , and a magnet assembly 119 .

The magnetic body 1101 is formed in a hollow circular plate shape so that the shaft 50 can be connected therethrough, and a first receiving groove 1103 is formed in a radial direction. The magnetic pocket 1195 is accommodated in the first receiving groove 1103 . The magnetic pocket 1195 is provided to surround the circumference of the cylindrical magnet 1191 , and the magnetic pocket 1195 and the magnet 1191 are fixed through the fixing member 1197 .

At this time, the magnetic pocket 1995 is formed of a conductive plastic material to absorb a magnetic field, reduce interference, and minimize the occurrence of eddy currents. Therefore, it exhibits low heat generation and very low counter-electromotive resistance. Electrically conductive plastics or conductive polymer plastics are made by mixing fine powders (about 0.1 μm in diameter) such as copper, silver, and carbon with various plastic materials.

In addition, the plurality of magnets 1191 have polarities alternately arranged along the circumferential direction of the outer circumferential surface of the magnetic unit body 1101, thereby maximizing the moment of inertia when the magnetic unit body 1101 rotates.

The coil unit will be described with reference to FIG. 8 . 8 is a perspective view illustrating a state of a coil unit according to an exemplary embodiment.

The coil unit 120 includes a coil unit body 1201 , a second receiving groove 1203 , and a winding core coil 129 .

The coil unit body 1201 is formed in the shape of a hollow circular plate and is provided to surround the outer circumferential surface of the magnetic unit. However, the coil unit body 1201 rotates separately from the magnetic unit, and the coil unit body 1201 and the magnetic unit do not contact each other.

A second accommodating groove 1203 is formed on an outer peripheral surface of the coil unit body 1201 in a radial direction, and the winding core coil 129 is accommodated inside the second accommodating groove 1203 .

The winding core coil 129 includes a winding core portion (the winding core shaft 1297 and the winding core end portion 1295 ) and a coil 1291 . A coil is wound around the winding core shaft 1297 , and the winding core end portion 1295 has a larger diameter than that of the winding core shaft 1297 to limit the area in which the coil 1291 is wound. When the winding core coil 129 is accommodated in the second receiving groove 1203 , the polarity is accommodated in a radial direction from the central axis of the coil unit 120 according to the coil 1291 . That is, in the case of cylindrical magnets and a coil wound in a cylindrical shape, the bottom surfaces of the magnets are arranged to face each other.

At this time, the winding core parts 1297 and 1295 may be formed of a conductive plastic material, whereby the winding core parts 1297 and 1295 absorb an electric field to minimize interference and eddy currents, thereby maximizing efficiency.

Meanwhile, the above-described magnetic body 1101 and coil body 1201 themselves may be formed of an electrically conductive plastic material to obtain a similar effect.

On the other hand, as shown in FIG. 9, the magnet assembly 119 and the winding core coil 129 are in a relative position different from that of a conventional generator. That is, the magnet assembly 119 and the core coil 129 may be aligned so that the direction of the central axis coincides with each other.

Although preferred embodiments of the present invention have been described above, the technical spirit of the present invention is not limited to the above-described preferred embodiments, and can be implemented in various ways within the scope not departing from the technical spirit of the present invention embodied in the claims. there is.

100: thermal equilibrium condensing part
110: condensation part
120: peltier layer
130: heating unit
140: exposed part
150: insulation
200: generator/capacitor box
210: cover part
220: packing unit
300: street light base stone
310: anchor bolt
320: street lamp post

Claims (11)

Street lamp post provided with a light emitting unit;
a foundation stone on which the street lamp post is installed;
a storage box accommodated in a storage box receiving space formed in a predetermined space within the base stone, and a power storage unit for supplying power to the light emitting unit; and
A multi-stage generator that stores power in the power storage unit and supplies power to the light emitting unit of the street lamp post;
The multi-stage generator,
A motor rotating unit rotating by an external force including wind power and hydraulic power;
a shaft connected to the center of rotation of the prime mover; and
At least one power generation module is provided on the shaft to generate electricity; including,
The power generation module is
a magnetic part connected to the shaft to rotate and provided with a plurality of magnets whose polarities are arranged in a radial direction from the shaft;
a coil part provided to surround the outside of the magnetic part and having a plurality of coils wound around the shaft so that polarities are arranged in a radial direction in a circumferential direction; and
Including; a support part to which the coil part is fixed and supported;
A discharge port for discharging the inside water to the outside is formed on one side of the lower side of the storage box receiving space,
and a thermal equilibrium condensing part provided at a point adjacent to the outlet among the bottom surfaces of the capacitor box accommodating space to condense moisture inside the capacitor box accommodating space,
The thermal equilibrium condensing unit,
A plurality of Peltier elements are arranged so as to be inclined downwardly toward the outlet, the upper portion is controlled to be cooled and the lower portion is a Peltier layer that emits heat at the same time;
a condensation unit provided on the Peltier layer to perform heat exchange with the internal air of the capacitor box accommodating space;
a heating unit provided to be in contact with the lower portion of the Peltier layer and extending toward the bottom of the capacitor box accommodating space along the lower inclined surface of the Peltier layer;
an exposed portion exposed along a bottom surface of the capacitor box accommodating space from an end of the heating portion; and
Self-powered street lamp comprising a; is provided between the condensing unit and the heating unit and between the condensing unit and the exposed unit to block heat transfer. According to claim 1,
The magnetic part,
a magnetic part body formed in a hollow circular plate shape, the shaft is fixed in a central axis direction, and a first receiving groove is formed in a radial direction; and
It is provided to surround the outer periphery of the magnet, a magnetic pocket formed of a conductive plastic material; including,
The magnet and the magnetic pocket are self-powered street lights that are inserted into the first receiving groove of the magnetic body body. 3. The method of claim 2,
The coil unit,
a coil unit body formed in a hollow circular plate shape, provided to surround an outer circumferential surface of the magnetic unit, and having a second receiving groove formed in a radial direction; and
Including; and a coil part having a winding core on which the coil is wound, and a coil wound on an outer side of the winding core part,
The coil unit is a self-powered street lamp accommodated in the second receiving groove. According to claim 1,
The power generation module is a self-powered street light provided with a plurality of the shaft. According to claim 1,
The plurality of magnets are self-powered street lights in which polarities are alternately arranged along a circumferential direction of the magnetic unit body. According to claim 1,
A self-powered street light provided around the street light post of the street light base stone and provided with an anchor bolt for fixing the street light post. According to claim 1,
A self-powered street lamp provided with a waterproof cover around the street lamp post of the surface of the street light base stone. According to claim 1,
A cover is provided on the upper portion of the storage box accommodation space to enable opening and closing, and an air flow path through which external air passes,
The multi-stage generator is a self-powered street light that generates electricity using air passing through the air passage. delete delete delete

Images