KR20110119027A - A complex power grid system comprising illuminating lamps having power generation systems - Google Patents

Abstract

PURPOSE: A complex power grid system comprising illuminating lamps having power generation systems is provided to individually and integratedly mange of a surplus power and need power by integratedly managing a plurality of lamps. CONSTITUTION: In a complex power grid system comprising illuminating lamps having power generation systems, a plurality of lamps(200a,200b,200n) forms an independent sector and has an electric power system respectively. Local host apparatuses(100a,100b,100n) are combined in the lamps. The lamps and a local host apparatus comprise a hybrid control part The hybrid control part performs one of power conversion function, a battery control function, and a telecommunication function and integratedly manages power.

Description

A composite power grid system including a luminaire having a power generation system {A COMPLEX POWER GRID SYSTEM COMPRISING ILLUMINATING LAMPS HAVING POWER GENERATION SYSTEMS}

FIELD OF THE INVENTION The present invention relates to a complex power grid system, in particular for surplus and underpower separately or by integrating a plurality of luminaires having a power generation function, a battery control function and a communication function, located locally and having a power generation system individually. The present invention relates to a complex grid system that can be integrated and managed.

Commercial power is commonly used as a way to power luminaires, particularly street lights. Recently, however, there have been increasing cases of lighting street lamps by using a solar power system or a wind power generation system to generate electricity by using a solar power generation system or a wind power generation system for various reasons such as energy saving and clean energy use. In addition, the use of LED (Light Emitting Diode) lamps with low power consumption and a long time of use as a light source of a luminaire is increasing.

In the case where the street light using the LED lamp as a light source is driven by the power generated by the solar power generation system or the wind power generation system, under-power generated under the required power is not generated due to the lack of wind, weak conditions or low sunshine. In some cases, there is a constraint that sufficient battery capacity must be secured or connected to a commercial power system to receive commercial power. In addition, when a street lamp using an LED lamp as a light source is driven by a power generated by itself through a photovoltaic power generation system or a wind power generation system, when surplus power is generated due to sufficient wind volume or sunshine, processing of the surplus power generated is insignificant. In some cases.

In addition, in the conventional luminaire having its own power generation system, there is a problem that it is not easy to monitor and maintain the state of the individual luminaires. Since the manager directly visits the luminaire having its own power generation system and checks the status or performs maintenance, there is a problem that the efficiency of maintenance and management is lowered due to excessive manpower and time.

In order to overcome the above-mentioned problems, the present invention integrates a plurality of luminaires which are locally located and have an individual power generation system, thereby managing the surplus and underpower individually or collectively to maximize the efficiency of power usage. It is an object to provide a power grid system.

Another object of the present invention is to provide a complex power grid system capable of integrally managing a plurality of luminaires having a power generation system by performing a power conversion function, a battery control function and a communication function.

Another object of the present invention is to provide a complex power grid system that can improve the efficiency of maintenance and management of individual luminaires by providing a Human Machine Interface (HMI) that allows the administrator to manage the individual luminaires integrated. will be.

In order to achieve the above objects, according to one aspect of the present invention, a plurality of luminaires constituting an independent sector, each having a power generation system and a local host device coupled to each of the plurality of luminaires, each of the plurality of luminaires And the local host apparatus includes a complex control unit, and the complex control unit may provide a complex electric power grid system that integrally manages power through at least one of a power conversion function, a battery control function, and a communication function.

In a preferred embodiment, the independent sector is plural, and the composite power grid system further includes a main host device coupled to a plurality of local host devices coupled to each of the plurality of independent sectors, wherein the main host device includes a composite control unit. It is characterized by. The battery may be installed in at least one of the local host device and the main host device, respectively. In addition, at least one of the local host device and the main host device is characterized in that coupled to the commercial power system. In addition, the power generation system is characterized in that it comprises at least one of a solar power system and a wind power generation system. In addition, the composite controller included in each of the plurality of luminaires, the local host device and the main host device includes a power conversion module for performing a power conversion function, a battery control module for performing a battery control function and a communication module for performing a communication function. Characterized in that. In addition, the power conversion module is characterized in that the conversion of AC power to DC power or DC power to AC power. The battery control module may perform at least one of charge control, low voltage detection, temperature detection, day and night detection, and on / off control of the battery. In addition, the communication module is characterized in that for transmitting and receiving data packets. In addition, the data packet includes a start bit field, a complex control unit identifier field, a battery state field, a complex control field, an invert efficiency field, and an invert state. And at least one of a cell state field, a cell command field, a host command field, and an end bit field.

According to the present invention, the following effects can be expected.

According to the present invention, by integrating a plurality of luminaires that are located locally and having an individual power generation system, it is possible to provide a complex grid system that can maximize the efficiency of power utilization by individually or collectively managing surplus and underpower. Can be.

In addition, according to the present invention, it is possible to provide a complex electric power grid system capable of integrally managing a plurality of luminaires having a power generation system by performing a power conversion function, a battery control function and a communication function.

In addition, according to the present invention, it is possible to provide a complex electric power grid system that can provide a human machine interface (HMI) that allows an administrator to manage and manage individual luminaires to improve the efficiency of maintenance and management of individual luminaires. have.

1 exemplarily illustrates a configuration of a complex power grid system including a luminaire having a power generation system according to a preferred embodiment of the present invention.
Figure 2 schematically shows the internal configuration of a luminaire and a local host device coupled thereto in accordance with a preferred embodiment of the present invention.
3 is a view schematically showing an internal configuration of a composite control unit according to a preferred embodiment of the present invention.
4 illustrates exemplary human machine interfaces (HMIs) corresponding to a composite control unit according to a preferred embodiment of the present invention.
5 is a graph illustrating an exemplary charging control state performed by a battery control module according to an exemplary embodiment of the present invention.
6 illustrates a structure of a data packet defined according to a preferred embodiment of the present invention.
7A is a diagram illustrating data packets transmitted and received in a local area according to a preferred embodiment of the present invention.
FIG. 7B is a diagram exemplarily illustrating a human machine interface for integrated management of a complex power grid system output from a main host device and data packets transmitted and received in a host area according to an exemplary embodiment of the present invention; FIG.
FIG. 8 illustratively illustrates the layout of a complex grid system including a luminaire having a power generation system in accordance with a preferred embodiment of the present invention. FIG.
9 exemplarily shows the appearance of a luminaire according to a preferred embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

1 is a view showing the configuration of a composite power grid system including a lamp having a power generation system according to a preferred embodiment of the present invention, Figure 8 includes a lamp having a power generation system according to a preferred embodiment of the present invention Exemplary layout of a complex power grid system. 1 and 8, the complex power grid system according to the present invention is coupled to at least one local host device (Local Host Apparatus, 100a, 100b, 100n) or a local host device (100a, 100b, 100n). It includes a plurality of lamps (200a, 200b, 200n) having a. Each of the plurality of luminaires 200a, 200b, and 200n has a power generation system, which may include at least one of a solar power generation system and a wind power generation system, but is not limited thereto. For convenience of description in the present specification, the power generation system installed in each of the plurality of lamps 200a, 200b, and 200n is a solar power generation system. The plurality of luminaires 200a, 200b, 200n may be configured as independent sectors coupled to the corresponding local host devices 100a, 100b, 100n, and may be of star type or ring type. It may be configured in the form of a basic grid, an extended grid including a plurality of basic grids. In a preferred embodiment of the present invention, up to 255 luminaires 200a, 200b, 200n may be included in the independent sector. DC power (for example, DC 24V) may be transferred between each of the luminaires 200a, 200b, and 200n and the local host devices 100a, 100b, and 100n coupled thereto through a first power line. The data packet may be transferred to each other through a data line. In another embodiment of the present invention, alternating current power (for example, 220V) is mutually transmitted through the second power line between the respective luminaires 200a, 200b, 200n and the local host devices 100a, 100b, 100n coupled thereto. Can be. The complex power grid system according to the present invention further includes a main host device 300 coupled to at least one local host device 100a, 100b, 100n to manage the complex power grid system. Between the main host device 300 and the local host device 100a, 100b, 100n, direct current power (for example DC 24V) through the first power line or alternating current power (for example AC 220V) through the second power line. This can be communicated with each other. A data packet may be further transferred between the at least one local host device 100a, 100b, 100n and the main host device 300 through a data line. In addition, in the complex power grid system according to the present invention, each of the at least one local host device (100a, 100b, 100n) may be coupled to a commercial power system (not shown) directly or via the main host device (300). .

Each of the plurality of luminaires 200a, 200b, 200n, at least one local host device 100a, 100b, 100n and the main host device 300 may include a composite control unit that performs a power conversion function, a battery control function, a communication function, and the like. May include correspondingly. The luminaires 200a, 200b, 200n that generate surplus power through the power conversion function, the battery control function, and the communication function are individually charged to the luminaires 200a, 200b, 200n, or the local host device 100a, 100b. , 100n) or sold as a commercial power system integrated or charged in the main host device 300, as well as being pre-charged or provided from a commercial power system for luminaires 200a, 200b, 200n that are underpowered. By supplying the required power received, it is possible to maximize the efficiency of power use by integrally managing a plurality of light fixtures (200a, 200b, 200n). In addition, by providing a human machine interface (HMI) that allows the administrator to manage the individual luminaires 200a, 200b, 200n through power conversion, battery control and communication functions, the individual luminaires 200a, 200b, 200n. Can improve the efficiency of maintenance and management.

2 is a view schematically showing an internal configuration of a luminaire and a local host device coupled thereto according to a preferred embodiment of the present invention. Referring to FIG. 2, direct current power (eg, DC 24V) may be transferred between a luminaire 200 and a local host device 100 coupled thereto through a first power line, or through a second power line. AC power (eg, AC 220V) may be communicated with each other, and data packets may be communicated with each other through data lines.

The local host device 100 includes a local host body 101, at least one solar cell module 110, at least one battery 130, and a composite controller 120. The composite controller 120 performs a power conversion function, a battery control function, a communication function, and the like. The power generated by the at least one solar cell module 110 may be delivered to the luminaire 200 which is charged to the at least one battery 130 or underpowered by the control of the composite controller 120. In another preferred embodiment of the present invention, the local host device 100 may omit at least one of the solar cell module 110 and the battery 130. In addition, in another preferred embodiment of the present invention, the local host device 100 may include a solar cell module 110 or a battery 130 of a greater number or capacity than the luminaire 200.

The luminaire 200 includes an LED lamp 240, at least one solar cell module 110, at least one battery 130, and a composite controller 120. The appearance of the luminaire 200 is as shown in FIG. 9. The LED lamp 240 is preferably used as the light source of the luminaire 200 according to the present invention, but is not limited thereto, and sodium lamp, mercury lamp, or the like may be used together with the LED lamp 240. The composite controller 120 performs a power conversion function, a battery control function, a communication function, and the like. The power generated by the at least one solar cell module 110 is transferred to the LED lamp 240 to be used, or is charged to the at least one battery 130 under the control of the composite controller 120, or the local host device 100. Can be delivered.

3 is a diagram schematically illustrating an internal configuration of a composite control unit according to a preferred embodiment of the present invention, and FIG. 4 is an exemplary view of human machine interfaces (HMIs) corresponding to the composite control unit according to the present invention. 3 and 4, each of the plurality of luminaires, at least one local host device and the main host device included in the complex control unit 120 includes a power conversion module (AC / DC Invert Module) 121, battery control The module may include a battery control module 122, a communication module 123, a programmable I / O 124, or the like. Here, programmable I / O 124 may include an external device control component.

The manager may include a human machine interface 410 corresponding to the power conversion module 121 of the complex control unit 120, a human machine interface 420 corresponding to the battery control module 122 of the complex control unit 120, and a complex control unit 120. Control the power conversion function, the battery control function, the communication function, etc. of the composite control unit 120 by using the human machine interface 430 corresponding to the communication module 123 of FIG. In this way, it is possible to efficiently manage each of the plurality of luminaires, at least one local host device and the main host device.

The power conversion module 121 converts AC power (for example, AC 220V) to DC power (for example, DC 24V), or DC power (for example, DC 24V) to AC power (for example, AC 220V). Perform the function of converting. The power conversion module 121 installed in the luminaire and included in the composite control unit may properly convert the power conversion module 121 to be delivered to the local host device or the main host device when surplus power is generated. Alternatively, the required power delivered from the main host device can be converted to be suitable for providing the LED lamp installed in the luminaire. The power conversion module 121 included in the composite control unit installed in the local host device or the main host device receives the surplus power generated when surplus power is generated and charges the battery integrally with the battery installed in the local host device or the main host device. To convert to suitable for sale, to convert to suitable for sale on a commercial power system, or to convert the necessary power received from the commercial power system to the luminaire when the luminaire is underpowered. Can be.

The battery control module 122 performs a charge control function, a low voltage detection function, a temperature detection function and a day and night detection function with respect to the battery. When the composite control unit is installed in the luminaire, the battery control module 122 may further perform an on-off control function for the LED lamp. The battery control module 122 may include a charging control component that performs a charging control function on the battery as illustrated in FIG. 5, and a low voltage detect component that performs a low voltage detection function on the battery. And a temperature detection component that performs a temperature detection function and a day / night detection component that performs a day / night detection function. In addition, when the composite control unit is installed in the luminaire, the battery control module 122 may further include an on / off control component for performing an on-off control function for the LED lamp. The battery control module 122 included in the complex control unit installed in the luminaire may individually charge the battery installed in the luminaire when surplus power is generated. The battery control module 122 included in the composite controller installed in the local host device or the main host device may be integrated and charged in the battery when surplus power is generated.

The communication module 123 is an RS232, RS485, RS422, or Ethernet and a communication module 123 included in a complex control unit installed at another position with respect to a data packet defined as shown in FIG. 6. By transmitting and receiving in a communication method, it is possible to integrally monitor the status of the complex power grid system or to maintain and manage the integrated control through the transmission and reception of various control information. The data packet defined as shown in FIG. 6 includes a start bit field 601, a complex control unit identifier field 603, a battery state field 605, and a complex control efficiency field. (Invert Efficiency Field, 607), Invert State Field (609), Cell State Field (611), Host Command Field (613) and End Bit Field (End Bit Field). 615. The start bit field 601 indicates the start of communication (for example '00'), and the composite control unit identifier field 603 indicates an identifier assigned to the composite control unit (for example, in a range of '000' to '255'). And the host device may be assigned '000', and the battery status field 605 indicates the battery status (preferably including data on low voltage and efficiency) (e.g. '000 May be allocated within a range of '˜100'), and the composite control unit efficiency field 607 indicates a power conversion efficiency of the power conversion module included in the composite control unit (for example, in a range of '000' to '100'). Can be assigned within), the composite control status field 609 indicates the status of the composite control (e.g., including start, stop, warning, error, and other control information), and the cell status field 611 indicates the cell Represents the definition of the efficiency of the host command field 613 , A call to a composite control unit of a discharge, a local host device or a luminaire, a command for various settings, and an end bit field 615 indicates the end of communication (for example, '99'). In FIG. 7A, communication is performed between a communication module of a composite control unit installed in a plurality of luminaires 200 and a communication module of a composite control unit installed in a local host device 100 coupled to each of the plurality of luminaires according to a preferred embodiment of the present invention. FIG. 7B illustrates exemplary data packets, and FIG. 7B illustrates a composite control unit installed in a communication module of a composite control unit installed in a plurality of local host devices 100 and a main host device 300, according to a preferred embodiment of the present invention. Illustrated are data packets transmitted and received between communication modules of. In addition, FIG. 7B illustrates a human machine interface 700 that can collectively manage a complex power grid system provided to a user in the main host device 300 according to an exemplary embodiment of the present invention.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and variations without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the scope of the present invention but to limit the scope of the technical idea of the present invention. The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

100: local host device 110: solar module
120: composite control unit 121: power conversion module
122: battery control module 123: communication module
124: programmable I / O 130: battery
200: luminaire 240: LED lamp
300: main host device

Claims (10)

A plurality of luminaires constituting independent sectors, each having a power generation system; And
A local host device coupled to each of the plurality of luminaires
Including,
Each of the plurality of luminaires and the local host device includes a composite control unit, the composite control unit integrated power management through at least one of a power conversion function, a battery control function and a communication function. The method of claim 1,
The independent sector is plural,
Further comprising a main host device for coupling to a plurality of local host devices for coupling to each of a plurality of independent sectors,
The main host device is a composite power grid system, characterized in that it comprises a composite control. The method of claim 2,
And a battery is installed in each of the plurality of luminaires, at least one of the local host device and the main host device. The method of claim 3,
At least one of the local host device and the main host device is coupled to a commercial power system. The method of claim 3,
The power generation system includes at least one of a solar power system and a wind power generation system. The method of claim 3,
Each of the plurality of luminaires, the composite control unit included in the local host device and the main host device
A power conversion module performing a power conversion function;
A battery control module performing a battery control function; And
Communication module performing communication function
Complex power grid system comprising a. The method of claim 6,
And the power conversion module converts AC power into DC power or DC power into AC power. The method of claim 6,
And the battery control module performs at least one of charge control, low voltage detection, temperature detection, day and night detection, and on / off control for the battery. The method of claim 6,
The communication module is a complex power grid system, characterized in that for transmitting and receiving data packets. 10. The method of claim 9,
The data packet includes a start bit field, a complex control unit identifier field, a battery state field, a complex control field, and a complex control state field. And at least one of a cell state field, a host command field, and an end bit field.

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