KR101576975B1 - Lighting central control system - Google Patents

Abstract

An illumination central control server according to an embodiment of the present invention includes a power consumption amount receiving unit that receives power consumption amount; An analysis unit for analyzing the power consumption; A light control unit for generating an illumination control signal for controlling ON, OFF, or dimming of at least one of the plurality of lights according to an analysis result of the analysis unit; And a server communication unit capable of transmitting the lighting control signal to at least one of the plurality of lights and transmitting the state of the lighting central control server to the manager of the lighting central control server, And the illumination is turned on when at least one of the movement or the sound is captured. Therefore, according to the embodiment of the present invention, it is possible to control the illumination in conjunction with the power consumption amount, thereby enabling more efficient energy saving and also automatically monitoring the failure of the illumination, It is possible to cope with a failure immediately.

Description

[0001] LIGHTING CENTRAL CONTROL SYSTEM [0002]

The invention relates to a central control system of illumination. More specifically, the central control server can control the dimming or on / off of the illumination according to the amount of power consumption, so that the center of illumination (the center of illumination) is controlled so that the amount of power consumption does not exceed the target amount of power Control system.

Recently, as the demand for electric power has increased sharply, the energy saving policy is being implemented more intensively. For example, from 2 to 4 o'clock in the summer when power demand is concentrated, the use of air conditioners is prohibited in public offices and large buildings, and stores are restricted from opening doors when the air conditioner is turned on.

One of the purposes of these energy saving policies is to monitor and control the amount of power consumed so that the amount of power consumed does not exceed the daily maximum power consumption (the target value), thereby preventing large-scale power outages.

Energy saving policies are also affecting the lighting sector. For example, since 2012, the use of incandescent light bulbs has been banned in major countries such as Europe, the US and China as part of their energy saving policy. In particular, the use of all incandescent lamps was prohibited in Europe in the second half of 2012, and the use of incandescent lamps of 75W class was prohibited in the US in 2013, and the use of incandescent lamps is also gradually being restricted in Korea.

As a result, there is a rapid increase in the demand for lighting that can replace incandescent bulbs, especially LED lighting. LED lighting has a longer life span than incandescent bulbs and is more efficient than anything else.

In addition to replacing incandescent bulbs with LED lights, it is also necessary to manage energy consumption by controlling ON / OFF of LED lighting according to the amount of power consumption. For example, when monitoring the amount of power consumption, if the amount of power consumption exceeds the target amount of power (the maximum threshold power consumption), the LED lighting should be turned off or dimmed.

However, in the field of LED lighting up to now, there has been only a technique of turning off or dimming the LED lighting according to the movement of people or objects, and controlling the LED lighting to be turned off or dimmed at the center in conjunction with the power consumption Was not present.

The embodiments of the present invention have been proposed in order to solve the above-mentioned problems, and the present invention relates to a system capable of controlling illumination in conjunction with an amount of power consumption.

Embodiments of the present invention also relate to a system that can automatically monitor the failure of a light.

It is to be understood, however, that the scope of the present invention is not limited to the above-mentioned objects, and may be embodied from the following description, which may be understood by those skilled in the art to which the present invention belongs. have.

In order to accomplish the above object, a representative structure of the present invention is as follows.

According to an embodiment of the present invention, the lighting central control server includes a power consumption receiving unit receiving power consumption amount; An analysis unit for analyzing the power consumption; A light control unit for generating an illumination control signal for controlling ON, OFF, or dimming of at least one of the plurality of lights according to an analysis result of the analysis unit; And a server communication unit capable of transmitting the lighting control signal to at least one of the plurality of lights and transmitting the state of the lighting central control server to the manager of the lighting central control server, And the illumination is turned on when at least one of the motion or the sound is captured.

The analysis unit may determine whether or not the cumulative power amount accumulated for the predefined period exceeds the target value power amount that is the maximum limit power consumption amount and the lighting control unit may determine whether the cumulative power amount exceeds the target value power amount An illumination control signal to turn off at least one of the plurality of lights, or an illumination control signal to dim the at least one of the plurality of lights to a predetermined brightness.

The analyzing unit may determine whether the cumulative power amount accumulated for the predefined period of time exceeds the target value of the maximum amount of power consumption or the target value of the power that is less than the target value of the power , The lighting control unit generates an illumination control signal to turn off at least one of the plurality of lights when the cumulative amount of electric power is greater than the target value of the electric power, and when the cumulative amount of electric power is less than the target value, An illumination control signal to turn off at least one of the illuminations, and an illumination control signal to dim the at least one of the plurality of illuminations to a predefined brightness.

In addition, the server communication unit may receive an illumination failure signal capable of grasping at least one of the plurality of illumination states, and the server communication unit may transmit the illumination failure signal to the manager of the illumination central control server .

Further, the target value of the amount of power can be changed.

Further, the target value of the power and the reference value of the power can be changed.

In addition, the plurality of lights may be a light emitting diode (LED).

According to another embodiment of the present invention, there is provided an information processing apparatus comprising: a sensor unit for capturing at least one of a motion or an acoustic signal to generate a sensing signal; A wireless communication unit for generating a brightness control signal according to the sensing signal; An SMPS for generating a current according to the brightness control signal; And an illumination array including a plurality of lights driven in accordance with the current, wherein the illumination unit is configured to receive a sensing signal of the sensor unit, a brightness control signal of another illumination unit received through the wireless communication unit, And an illumination control signal.

The apparatus may further include a defect detector including a shunt resistor for detecting whether the illumination array is defective.

The defective detection unit may further include a comparison unit comparing the actual voltage applied across the shunt resistor when at least one of the reference voltage applied across the shunt resistor and the illumination of the illumination array is defective when all the illumination of the illumination array is operating normally It is possible to detect whether or not there is a defect.

Further, the illumination of the illumination array may be an LED.

According to another embodiment of the present invention, there is provided an illumination central control system including an illumination central control server and at least one illumination unit connected with the illumination central control server via a network, wherein the illumination central control server comprises: A power amount receiving unit; An analysis unit for analyzing the power consumption; A light control unit for generating an illumination control signal for controlling ON, OFF, or dimming of at least one of the plurality of lights according to an analysis result of the analysis unit; And a server communication unit capable of transmitting the lighting control signal to at least one of the plurality of lights and transmitting the state of the lighting central control server to the manager of the lighting central control server, Wherein the illumination unit is turned on when at least one of motion or sound is captured, wherein the illumination unit comprises: a sensor unit for capturing at least one of motion or sound to generate a sensing signal; A wireless communication unit for generating an illumination brightness signal according to the sensing signal; An SMPS for generating a current according to the illumination brightness signal; And a lighting array including a plurality of lights driven according to the current, wherein the illumination unit is configured to detect the sensing signal of the sensor unit, the brightness control signal of the other illumination unit received through the wireless communication unit, And a control signal.

According to the embodiment of the present invention, the illumination can be controlled in conjunction with the power consumption amount, thereby enabling more efficient energy saving.

Further, according to the embodiment of the present invention, since the failure of the illumination can be automatically monitored, the manager can immediately cope with the failure of the illumination.

1 is a block diagram of a lighting central control system according to an embodiment of the present invention.
2 is a block diagram of a server function according to an embodiment of the present invention.
3A is a flowchart illustrating a procedure for controlling illumination in conjunction with power consumption in a server according to an exemplary embodiment of the present invention.
FIG. 3B is a graph showing that the power consumption is managed by the lighting central control system according to an embodiment of the present invention.
4 is a block diagram of a master in accordance with one embodiment of the present invention.
5A to 5D are block diagrams of a lighting unit according to an embodiment of the present invention.
6A to 6C are conceptual diagrams of a light array according to an embodiment of the present invention.
7 is a block diagram of a defect detector according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions in the embodiments of the present invention, which may vary depending on the intention of the user, the intention or the custom of the operator. Therefore, the definition should be based on the contents throughout this specification.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a block diagram of a lighting central control system according to an embodiment of the present invention.

Referring to FIG. 1, the lighting central control system 10 includes a plurality of lighting units 300A to 300N (hereinafter referred to as 300), a server 100 for controlling a plurality of lighting units 300, A watt-hour meter 700, and a system administrator terminal 500. [ However, since the illumination central control system 10 of FIG. 1 is only one embodiment of the present invention, the present invention is not limited to FIG.

In addition, the lighting central control system 10 according to an embodiment of the present invention may further include a master 200 relaying communication between the server 100 and the illumination unit 300. The master 200 may receive commands from the server 100 and transmit commands to the at least one illumination unit 300 and may receive data from the respective illumination units 300 and transmit them to the server 100.

Here, the server 100 can receive and store the amount of power from the watt-hour meter 700, exchange data with the master 200, manage a plurality of lighting units 300, and report the result to the system administrator terminal 500 And may be a computer such as a personal computer (PC) or a server. In particular, the server 100 may include a port and a communication module capable of receiving power from the watt-hour meter 700, and the server 100 may include a port and a communication module capable of transmitting and receiving data with the master 200 can do. The communication method between the server 100 and the watt hour meter 700 and between the server 100 and the master 200 may be wired communication or wireless communication. In the case of wired communication, preferably, a serial communication RS And may be Wi-Fi, 3G, 4G, LTE, Zigbee, Bluetooth when connected by wireless communication.

The illumination unit 300 is a module capable of turning on / off / dimming the illumination based on a signal received from another illumination unit, a signal received from the server 100, or a signal received from a sensor included in the illumination unit 300 itself. Each illumination unit 300 can have a unique identifier (ID), and the server 100 can individually control each illumination unit 300 using this unique identifier.

At this time, the master 200 and the illumination unit 300 are connected to each other via a network 400 and can exchange information with each other. Here, the network 400 means a connection structure capable of exchanging information between the master 200 and the illumination unit 300. One example of the network 400 is an Internet, a LAN (Local Area Network) , Wireless Local Area Network (WLAN), Wide Area Network (WAN), Personal Area Network (PAN), 3G, 4G, LTE, Wi-Fi, Zigbee, Bluetooth, In the embodiment, Zigbee will be described below.

ZigBee is a low-power, wireless, near-standard communications technology that is inexpensive, consumes very little power, is small in size and programming, is not very fast at close range, . The transmission speed is up to 250 Kbps in the 2.4 GHz band. Up to 65,536 nodes can be attached to the network, and even the star, cluster tree, and mesh network are supported.

The system administrator of the lighting central control system 10 can monitor and control the state of the lighting central control system 10 from the server 100 via the system administrator terminal 500. [ That is, the system manager can know the current amount of power, the cumulative amount of power, the amount of energy saving for each period, the excess amount of the amount of power, etc. from the server 100 through the system administrator terminal 500, The user can transmit the changed value through the system administrator terminal 500 to the server 100 so that the power amount or the reference value power amount is changed. For this, the server 100 and the system administrator terminal 500 may be connected to each other through Wi-Fi, 3G, 4G, LTE, Zigbee, Bluetooth, and the like, but are not limited thereto.

Here, the system manager 500 terminal may be a wireless communication device that is guaranteed to be portable and mobility, for example, a Personal Communication System (PCS), a Global System for Mobile communications (GSM), a Personal Digital Cellular (PDC) Handyphone System), PDA (Personal Digital Assistant), IMT (International Mobile Telecommunication) -2000, CDMA (Code Division Multiple Access) -2000, W-CDMA (WCDMA), Wibro (Wireless Broadband Internet) based wireless communication device, such as a smartphone, a smartpad, a tablet PC, and the like.

Hereinafter, an operation method of the lighting central control system 10 operating in accordance with an embodiment of the present invention will be described with reference to FIG.

In the lighting central control system 10 according to the embodiment of the present invention, the server 100 analyzes the amount of power consumption received from the watt-hour meter 700, and determines whether the amount of power consumed is within a predetermined criterion, for example, (600). When the server 100 determines that the amount of power consumption exceeds the target value of the power amount or the reference value of the power amount 600, the server 100 may transmit a command for controlling the illumination of the lighting unit 300 through the master 200 so that the amount of power consumption may be reduced, The server 100 can notify the system manager 500 of the lighting central control system 10 of the wired / wireless state of the situation of the amount of power consumption and the control condition of the lighting. Therefore, according to the lighting central control system 10 according to the embodiment of the present invention, the amount of power consumption can be controlled so as not to exceed the target value amount of power (maximum limit amount of power consumption).

2 is a block diagram of a server function according to an embodiment of the present invention.

2, the server 100 includes a power consumption receiving unit 110, a power consumption storage unit 120, a display unit 130 for displaying the amount of power consumption by a graph or the like, An analysis unit 140 for analyzing whether the amount of power exceeds a target amount of power or the like, a reporting unit 150 for outputting a power consumption amount or the like as a report, And a server communication unit 170 for communicating with the master 200 or the system administrator terminal 500. The illumination control unit 160 generates a light control signal for controlling the operation of the master 200 or the system administrator terminal 500,

The power consumption receiving unit 110 can receive the power consumption amount from the watt hour meter 700. To this end, the power consumption receiving unit 110 may include a port and a communication module capable of data communication with the watt hour meter 700.

The power consumption storage unit 120 may include a database for storing data related to the amount of power. Specifically, the database may store the amount of power received through the power consumption receiving unit 110 in units of time, for example, in units of years, months, days, hours, and minutes. However, the unit in which the amount of power consumption is stored can be changed.

In addition, the database of the power consumption storage unit 120 may calculate and store the amount of energy saved by the control of the server 100, that is, the amount of energy savings for each time zone.

The display unit 130 may display a value related to the amount of power. Specifically, the display unit 130 can display a trend in which the amount of power is changed in a graph in real time. In addition, the display unit 130 can display the amount of power consumption by a specific time period. For this purpose, the display unit 130 can read the amount of power consumption by the time period stored in the database of the power consumption amount storage unit 120. In addition, the display unit 130 may display the amount of energy saved by the server 100 under control of the server 100, that is, the amount of energy saved by time.

The analysis unit 140 may analyze the amount of power stored in the database of the power consumption storage unit 120. For example, it is possible to calculate the cumulative power amount by time zone or by date and to detect the time zone in which the demand for power surges. Also, the analysis unit 140 may calculate the amount of power saved under the control of the server 100. For example, the difference value can be calculated by comparing the reference power amount when the illumination is turned on and the power amount when the illumination is restricted.

The analysis unit 140 may determine whether the accumulated power amount per predetermined period exceeds the target value or the reference value, and may transmit the result to the illumination control unit 160. [

The reporting unit 150 may report the value associated with the amount of power to the system administrator of the lighting central control system 10. [ Specifically, a real-time power amount, a cumulative power amount, a power amount during a specific period, and the like can be output as a report or transmitted to the system administrator terminal 500. It is also possible to output in a report whether the power consumption exceeds the reference value or the target value, whether the dimming or turning off of the illumination exceeds the reference value or the target value, ).

The illumination control unit 160 may generate an illumination control signal for controlling ON / OFF or dimming of illumination according to the analysis result of the analysis unit 140 based on the amount of power consumption. Specifically, when the power consumption receiving unit 110 receives the amount of power from the watt hour meter 700, the power consumption amount storage unit 120 stores the amount of power in the database, and the analyzing unit 140 calculates the accumulated amount of power for a predetermined period of time The illumination control unit 160 may generate an illumination control signal for turning off or dimming at least one of the plurality of lights according to the determination result of the analysis unit 140. [

The illumination control unit 160 may also generate an illumination control signal that can turn on or diminish at least one of the plurality of lights according to a command of the system administrator of the illumination central control system 10. [

The server communication unit 170 may transmit an illumination control signal to the master 200 for transmission to the illumination unit 300 and may receive a status from the master 200 for the illumination unit 300, And can exchange data with the administrator terminal 500. For this, the server communication unit 170 may include a communication module for transmitting / receiving data to / from the master 200, and may include another communication module for transmitting / receiving data with the system administrator terminal 500.

Hereinafter, an operation method of the server 100 including the above-described configuration according to an embodiment of the present invention will be described with reference to FIGS. 1 and 2. FIG.

When the power consumption receiving unit 110 receives the amount of power from the watt-hour meter 700, the power consumption amount storage unit 120 stores the amount of power consumption in the database, and the display unit 130 displays the amount of power in real time, .

The analysis unit 140 calculates a cumulative amount of power for a predetermined period of time to determine whether the amount of power exceeds a reference amount of power or a target amount of power and the lighting control unit 160 turns off or dims the lighting according to the determination result of the analysis unit 140 And the server communication unit 170 transmits the illumination control signal to the master 200. [

The system administrator can monitor the amount of power through the reporting unit 150 and monitor the current power status or the poor lighting condition transmitted by the server communication unit 170 through the system administrator terminal 500. [ In addition, the system administrator can transmit the illumination control signal to the server 100 through the system administrator terminal 500. [

FIG. 3A is a flowchart illustrating a procedure for controlling illumination in conjunction with an amount of power consumption in a server according to an exemplary embodiment of the present invention. FIG. 3B is a flowchart illustrating a procedure in which power consumption is managed by an illumination central control system according to an exemplary embodiment of the present invention Fig.

Referring first to FIG. 3B, the horizontal axis represents time and the vertical axis represents power consumption. The amount of power consumption should not exceed the target amount of power which is the maximum consumption limit power amount. Therefore, a reference value power amount, which is a reference for managing the amount of power consumption before the amount of power consumption reaches the target value, can be defined.

Here, the target value of power means the minimum amount of power consumption which should not increase any more, and the reference value of power means the minimum amount of power required to control the amount of power consumption so that the amount of power consumption does not reach the target value. The target power amount and the reference value power amount may be defined in advance and may be changed and set by the system administrator in the future.

As a method for managing the amount of power consumption, referring to FIG. 3B, the following example can be given. When the amount of consumed electric power reaches the reference value electric power amount, control is performed such that at least one light is dimmed or at least one light is turned off, thereby reducing the speed at which the amount of power consumption increases, or the amount of power consumption is increased . Further, all the lights can be turned off so that the power consumption is no longer increased at the instant t2 when the power consumption exceeds the reference value and reaches the target value.

Here, the illumination dimmed or turned off can be specified in advance and can be changed later by the system administrator. In addition, the dimming or turning off lights may be controlled individually or group by group.

FIG. 3A is a flowchart showing this power consumption amount management method.

2 and 3A, the power consumption receiving unit 110 receives a power amount from the watt hour meter 700, and the power consumption amount storage unit 120 stores the received power amount (step S100). The analysis unit 140 calculates a cumulative amount of power for a predetermined period of time (step S102), and determines whether the cumulative amount of power exceeds a target amount of power (step S104). If it is determined that the cumulative power amount exceeds the target value, the lighting control unit 160 generates a lighting control signal for turning off the entire lighting and transmits the lighting control signal to the server communication unit 170 so that the amount of power consumption is not increased any more, (Step S110). On the other hand, if it is determined that the cumulative power amount does not exceed the target value power amount, it is determined whether the accumulated power amount exceeds the reference value power amount (step S106). If the cumulative amount of power does not exceed the reference value, the controller 160 continues to receive and store the amount of power consumption. If the cumulative amount of power exceeds the reference value, Or may generate a lighting control signal for dimming at least one of the plurality of lights at a preset ratio, and may transmit the lighting control signal to the server communication unit 170 and inform the system administrator (step S108).

As described above, according to the lighting central control system 10 according to the embodiment of the present invention, lighting can be controlled in conjunction with the power consumption amount, so that more efficient energy saving is possible.

4 is a block diagram of a master in accordance with one embodiment of the present invention.

Referring to FIG. 4, a master 200 according to an embodiment of the present invention may include a processor 210, and a master communication unit 220. The master communication unit 220 can communicate with the server 100 and the plurality of lighting units 300. The processor 210 analyzes data exchanged with the server 100 and the illumination unit 300 And to perform the processing.

5A is a block diagram of a lighting unit according to an embodiment of the present invention.

Referring to FIG. 5A, the illumination unit 300 includes a sensor unit 310, a wireless communication unit 320, a switching mode power supply (SMPS) 330, a light array 340, Lt; RTI ID = 0.0 > 350 < / RTI >

The sensor unit 310 includes a sensor for discriminating the movement or sound of a person or an object. When the sensor 310 senses movement or sound, the sensor unit 310 can transmit a sensing signal to the wireless communication unit 320. Specifically, the sensor unit 310 may include an infrared sensor. The infrared sensor converts the temperature and the like into an electric quantity capable of signal processing by using infrared rays. Here, the infrared ray has a longer wavelength than the red light of the visible ray in the electromagnetic wave spectrum, shorter wavelength than the microwave, and has a wavelength of about 0.75 to 1 mm. The infrared sensor has an active type that detects a change due to light being blocked by emitting infrared rays by itself, and a manual type that reads only the change of infrared rays received from the outside without self-emission.

In addition, the sensor unit 310 may further include an ultrasonic sensor. When the movement is detected by the infrared sensor, movement may not be detected if the motion of the person or object is small. Ultrasonic sensors generally use microwaves to sense the presence and / or movement of a person or object. Microwave is strong in directivity, it propagates only in a certain direction, it can transmit long distance with low power, and it has strong property because of wide spread of radio waves.

Next, the wireless communication unit 320 can receive the sensing signal from the sensor unit 310 or receive the illumination control signal from the surroundings, which will be described with reference to FIGS. 5B and 5C.

5B and 5C, the receiving unit 321 of the wireless communication unit 320 receives the illumination control signal received from the server 100 via the master 200, and the checking unit 322 checks whether the received command is a command The brightness control signal generation unit 323 generates a brightness control signal of the illumination according to the received illumination control signal and the transmission unit 324 transmits the brightness control signal The control signal may be transmitted to the illumination array 340 or may be transmitted to the other illumination units 300B. Here, the brightness control signal may be ON, OFF, dimming of the illumination, and dimming may be defined as a few percent of the maximum output.

The receiving unit 321 of the wireless communication unit 320 receives the sensing signal from the sensor unit 310 and the brightness control signal generating unit 323 generates the brightness control signal in accordance with the sensing signal, May transmit the light to the illumination array 340 through the SMPS 330 or may transmit the illumination to the other illumination units 300B.

In addition, the receiving unit 321 of the wireless communication unit 320 receives the brightness control signal from the other illuminating unit 300B, and the checking unit 322 checks whether the received brightness control signal matches the predefined protocol, The transmission unit 324 can transmit it to the illumination array 340 via the SMPS 330 or transmit it to the other illumination unit 300C.

That is, the wireless communication unit 320 can receive the sensing signal from the sensor unit 310, receive the brightness control signal from the other illumination unit 300B, and receive the brightness control signal from the server 100 through the master 200 Signal. In this case, when the three signals are simultaneously received, the wireless communication unit 320 preferably operates with the illumination control signal received from the server 100 as the highest priority, Signal, and the brightness control signal received from the other illumination unit 300B in the last order. However, this priority can be changed by the system administrator.

The SMPS 330 is a device capable of receiving the AC power and supplying a stable DC to the illumination array 340, and will be described with reference to FIG. 5D. 5D, the signal receiving unit 331 of the SMPS 330 receives a brightness control signal from the wireless communication unit 320, and the illumination control unit 332 supplies a current to the illumination array 340 in accordance with a brightness control signal . That is, a current for controlling ON / OFF and dimming of the illumination can be generated and supplied to the illumination array 340 according to the brightness control signal received from the wireless communication unit 320.

Preferably, the SMPS 330 may be designed to have an electrical efficiency of 85% or more, an output ripple of 5% or less, and a power factor of 95 pf or more, but the present invention is not limited thereto.

The illumination array 340 can be connected in series or in parallel with a plurality of lights that are turned on or off at appropriate brightness according to the current supplied from the SMPS 330, and will be described with reference to FIGS. 6A to 6C.

The illumination array 340 may be of various types, and preferably it may be a light emitting diode (LED). LEDs have a longer lifespan, faster response times and higher efficiency than incandescent bulbs, which are excellent for saving electric energy. Hereinafter, the illumination will be specifically described as an LED.

6A through 6C, the illumination array 340 may have a plurality of LEDs connected in series or in parallel. As shown in FIG. 6A, a plurality of groups of LEDs connected in series may be connected in parallel, or one LED may be connected in parallel as shown in FIG. 6B, or a plurality of LEDs may be connected in series But this is merely exemplary and does not preclude otherwise.

Meanwhile, the illumination unit 300 may further include a failure detection unit 350, which will be described with reference to FIG. Referring to FIGS. 5A and 7, the failure detection unit 350 can continuously detect the current consumed in the illumination array 340 to detect whether the LED is defective or not.

Referring to FIG. 7, when a plurality of LEDs are connected in series in the illumination array 340, this is referred to as a group. The illumination array 340 includes a group of N groups connected in parallel (340A-340N).

If any one of the LEDs belonging to the group 340A fails, the entire group 340A will not emit light. In this case, the total consumed current of the lighting array 340 is increased by the ratio of the group including the failed LED to the total consumed current . That is, the total consumed current of the illumination array 340 becomes higher than the rated current.

The circuit of FIG. 9 is based on the principle that the total consumption current increases when the LED fails. That is, when the LED is normal, the voltage V1 applied to the shunt resistor Rs due to the rated current differs from the voltage V2 applied to the shunt resistor Rs due to the total consumed current increased from the rated current when the LED is defective .

The OP-AMP of the defect detector 350 detects and amplifies the voltage V2 and sends it to an MCU (not shown in the figure). The MCU measures the voltage value using the ADC function, V1 to determine whether a failure has occurred, and transmits the result to the server 100. The server 100 reports the failure to the manager so that the manager can take immediate action.

As described above, according to the lighting central control system 10 according to the embodiment of the present invention, the amount of power consumption can be managed by controlling the illumination so that the server 100 does not generate the excess power 600.

In addition, the system administrator can immediately determine whether the illumination is defective through the defect detector 350 and take corrective action.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents thereof should be construed as falling within the scope of the present invention.

10: Lighting central control system
100: Server
300:
500: System administrator terminal
700: Watt hour meter

Claims (15)

As a lighting central control server,
A power consumption amount receiving unit that receives power consumption amount;
An analyzing unit for determining whether a cumulative power amount accumulated for the predefined period of time exceeds a target value of power amount that is a maximum limit power consumption amount or an amount of power that is less than or equal to the target value of power;
Generating at least one of the plurality of lights by turning off at least one of the plurality of lights when the cumulative amount of power is greater than the target value of the power, and turning off at least one of the plurality of lights when the accumulated amount of power is less than the target value, An illumination control signal to generate at least one of the plurality of illuminations and an illumination control signal to dim the at least one of the plurality of illuminations to a predetermined brightness; And
And a server communication unit capable of transmitting the lighting control signal to at least one of the plurality of lights and transmitting the state of the lighting central control server to an administrator of the lighting central control server,
The dimming means turning on the light with a brightness lower than the brightness at the maximum power of the illumination,
The dimming or turning off of the plurality of lights may be specified in advance,
Characterized in that the plurality of lights are turned on when motion and sound are captured,
Lighting central control server.
delete delete The method according to claim 1,
The server communication unit may receive a lighting failure signal capable of detecting at least one of the plurality of lights,
Wherein the server communication unit is operable to transmit, to the manager of the lighting central control server,
Lighting central control server.
delete The method according to claim 1,
The target value of the electric power and the reference value of electric power can be changed,
Lighting central control server.
The method according to claim 6,
Characterized in that the plurality of lights is a light emitting diode (LED)
Lighting central control server.
delete delete delete delete An illumination central control system comprising an illumination central control server, and at least one illumination unit networked with the illumination central control server,
The lighting central control server comprises:
A power consumption amount receiving unit that receives power consumption amount;
An analyzing unit for determining whether a cumulative power amount accumulated for the predefined period of time exceeds a target value of power amount that is a maximum limit power consumption amount or an amount of power that is less than or equal to the target value of power;
Generating at least one of the plurality of lights by turning off at least one of the plurality of lights when the cumulative amount of power is greater than the target value of the power, and turning off at least one of the plurality of lights when the accumulated amount of power is less than the target value, An illumination control signal to generate at least one of the plurality of illuminations and an illumination control signal to dim the at least one of the plurality of illuminations to a predetermined brightness; And
And a server communication unit capable of transmitting the lighting control signal to at least one of the plurality of lights and transmitting the state of the lighting central control server to an administrator of the lighting central control server,
The dimming means turning on the light with a brightness lower than the brightness at the maximum power of the illumination,
The dimming or turning off of the plurality of lights may be specified in advance,
Wherein the plurality of lights are turned on when motion and sound are captured,
The illumination unit includes:
A sensor unit for capturing at least one of motion or sound to generate a sensing signal;
A wireless communication unit for generating an illumination brightness signal according to the sensing signal;
An SMPS for generating a current according to the illumination brightness signal; And
And a lighting array including a plurality of lights driven according to the current,
Wherein the illumination unit is controllable by at least one of a sensing signal of the sensor unit, a brightness control signal of another illumination unit received through the wireless communication unit, or an illumination control signal of the illumination central control server,
Lighting central control system.
13. The method of claim 12,
The illumination unit includes:
Further comprising a defect detector including a shunt resistor for detecting whether or not the light array is defective,
Lighting central control system.
14. The method of claim 13,
Wherein the failure detection unit comprises:
Detecting whether or not a defect is caused by comparing a reference voltage applied across the shunt resistor when the illumination of the illumination array is operating normally and an actual voltage across the shunt resistor when at least one of the illumination of the illumination array is defective,
Lighting central control system.
13. The method of claim 12,
Characterized in that the illumination of the illumination array is an LED.
Lighting central control system.

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