JP2006186665A - Illumination control system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an illumination control system which detects and displays on a control terminal side abnormal reception at the control terminal of control signal transmitted from a control unit main body, and which stores the abnormal reception. <P>SOLUTION: The illumination control system comprises a plurality of control terminals 4 to which a luminair 5 is connected, an operation switch 2 for operating/inputting the luminair 5 connected to the plurality of control terminals 4, a control unit main body 1 which generates and transmits control signals such as for operation control and state monitoring of the luminair 5 connected to the plurality of control terminals 4 according to the input from the operation switch 2, and an abnormal reception detecting means which is provided on the control terminal 4 and detects abnormal reception of the control signal transmitted from the control unit main body 1 for storing abnormality information, as well as displaying abnormal reception. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an operation control such as lighting, extinction and dimming of a plurality of illumination loads, and an illumination control system such as state monitoring.

  2. Description of the Related Art Recently, in indoor lighting such as buildings, lighting control systems are used for operation control and state monitoring of indoor lighting fixtures. A lighting control system is provided corresponding to each of a plurality of control terminals, to which lighting loads such as lighting fixtures are connected, and the connected lighting loads are controlled to be turned on / off and dimmed. The operation switch unit that inputs operations such as turning on, turning off, and dimming the lighting load, and the operation control signal for each control terminal is generated according to the operation input from the operation switch unit to each control terminal. And a control device main body for transmission. The plurality of control terminals, the operation switch unit, and the control device main body are connected by multiple transmission lines that transmit control signals and the like.

  Each of the plurality of control terminals is assigned a unique address. The operation switch unit is provided with a turn-on / off switch and dimming input device corresponding to each of the plurality of control terminals. The control device main body receives the address of the control terminal via the multiplex transmission line according to operation instructions such as lighting, extinction and dimming for each of the plurality of control terminals input by the operator using the operation switch unit. The operation control signal including the operation control data is generated and transmitted, and the state of lighting, extinguishing, dimming and the like of each control terminal is monitored.

  In such an illumination control system, an abnormal control of the illumination load connected to the control terminal occurs due to an abnormal connection of multiple transmission lines. For example, Patent Literature 1 proposes an illumination control system that collects and stores control abnormality data for specifying a control terminal to which a lighting load in which a control abnormality has occurred is connected when a lighting load control abnormality occurs. ing.

The lighting control system proposed in Patent Document 1 returns the operation control data to the control terminal generated and output in response to the input from the operation switch unit in the main body of the control device, and the control after the lighting load is controlled by the control terminal. The stored operation control result data is stored, the stored operation control data and the operation control result data are compared, and a match / mismatch is determined. If a mismatch is determined, the control error data is stored as control abnormality data. It has become. Based on this control abnormality data, the cause of the abnormality in the control terminal is analyzed and repaired.
Japanese Patent Laid-Open No. 11-259128

  The illumination control system proposed in Patent Literature 1 compares the operation control data transmitted to the control terminal provided in the control device with the operation control result data from the control terminal to determine the control abnormality. The determination storage function to be stored makes it possible to recognize a control terminal in which a control abnormality has occurred. This control abnormality may be caused by the control terminal itself, or may be caused by a connection error between multiple transmission lines connecting the control device and the control terminal. Multiple transmission line connection anomalies are that the physical connection order of the control terminals connected to the multiple transmission lines is not known from the data of the control terminal in which the control abnormality occurred is stored in the control device. It is not easy to search. In addition, in the case of an abnormality caused by the wiring of the multiplex transmission line, a lot of time is required for visual inspection of the wiring of the multiplex transmission line and re-wiring. Further, if the connection between the multiplex transmission line and the control terminal is loosened, and a temporary connection failure occurs, the temporary connection failure may be resolved during inspection and repair. The temporary connection failure due to loosening of the multiplex transmission line has a problem that it is difficult to confirm the position of the multiplex transmission line connected to the corresponding control terminal from the control abnormality data stored in the control device main body.

  The present invention was made in view of such circumstances, and detects a signal reception abnormality based on the presence or absence of a control signal including its own address from the control signal transmitted from the control device main body for each control terminal, An object of the present invention is to provide an illumination control system that stores a display indicating reception abnormality and the fact of reception abnormality when reception abnormality occurs.

  The lighting control system according to the first aspect of the present invention includes a plurality of control terminals that connect lighting loads; and control signals for operation control and status monitoring of the lighting loads connected to the plurality of control terminals. A control apparatus body that generates and transmits; a reception abnormality that is provided in each of the control terminals, detects an abnormality in reception of a control signal transmitted from the control apparatus body, stores abnormality information, and displays a reception abnormality display And detecting means.

  A lighting control system according to a second aspect of the present invention is the lighting control system according to the first aspect, wherein the reception abnormality detecting means receives the control signal transmitted from the control device main body when the control signal cannot be detected for a predetermined time. It is characterized by determining that it is abnormal.

  According to a third aspect of the present invention, there is provided the lighting control system according to the first aspect, wherein the reception abnormality detecting means is connected to its own control terminal among control signals transmitted from the main body of the control device. It is characterized in that a reception abnormality is determined when a control signal for operation control or status monitoring having a set address cannot be detected.

  In the present invention, the definitions and technical meanings of terms are as follows.

  The control terminal controls lighting, extinction, and dimming of the connected lighting load in accordance with an operation control signal transmitted through the transmission line. A plurality of control terminals are provided, individually addressed, and connected to a transmission line to be described later. The illumination load is an illumination fixture including an illumination lamp that is turned on / off and dimmed by a control terminal, a lamp lighting circuit, a dimming control circuit, and a reflector.

  The control terminal includes a reception abnormality detecting means for detecting a reception abnormality of a control signal such as an operation control signal or a state monitoring signal transmitted from the control device body described later, storing the reception abnormality, and displaying the reception abnormality. Have.

  The reception abnormality detection means determines whether or not the operation control signal for each control terminal transmitted from the control device main body has been received for a certain period of time, or the operation state of each control terminal transmitted from the control device main body at regular intervals. It is determined whether or not a status monitoring signal for monitoring has been received. When a reception abnormality is detected, information on the occurrence of the reception abnormality is stored in a storage unit such as a non-volatile memory, and a display unit such as an LED is turned on to indicate that a reception abnormality has occurred.

The operation switch unit is provided with a plurality of operation switches for turning on / off the lighting fixtures and dimming inputs connected to the individual control terminals. The operation switch unit is provided on the wall surface, and when the operator operates the operation switch, the control input device for turning on, turning off, and dimming the control terminal corresponding to the operated switch is described later via the transmission line. It is transmitted to the main body.

The control device body is an operation control signal composed of an address of a control terminal for operating and controlling lighting, extinguishing and dimming for each control terminal, and operation control data for controlling operation of lighting, extinguishing and dimming. And sequentially and repeatedly transmitted to a plurality of control terminals via a transmission line. The control device main body generates and transmits the operation control signal, and also receives the operation control result signal from each control terminal unit and compares it with the transmitted operation control signal, and transmits the operation control signal to each control terminal unit. The transmission can be confirmed. Further, the control device main body generates and transmits a state monitoring signal for monitoring the operation state of each control terminal at predetermined intervals between the operation control signals sequentially and repeatedly transmitted to each control terminal. The operation state of each control terminal can be confirmed by the operation state information from each control terminal with respect to the state monitoring signal.

  The control device main body is operated by an operator from an operation switch section provided with a plurality of operation switches for turning on / off the lighting fixtures and dimming inputs connected to individual control terminals provided on the wall surface and the like. Operation input information for lighting, extinguishing, and dimming of each control terminal is generated based on an input or a lighting, extinguishing, and dimming schedule for each control terminal preset in the control device body.

  The transmission line includes operation input information transmitted from the operation switch unit to the control device main body, operation control signal and state monitoring signal transmitted between the control device main body and the control terminal, and operation control result information and operation state. A multiplex transmission line through which information and the like are transmitted.

  The lighting control system of the present invention stores and displays the occurrence of reception abnormality for each control terminal in which reception abnormality of control signals sequentially transmitted from the control device main body is detected. The terminal can be identified quickly, and the control terminal can be easily inspected and repaired.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. An illumination control system according to an embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a block diagram showing the overall configuration of a lighting control system according to an embodiment of the present invention, FIG. 2 is a block diagram showing the configuration of a control terminal used in the lighting control system according to an embodiment of the present invention, and FIG. It is explanatory drawing explaining the transmission form of the operation control signal of the illumination control system of one Embodiment of an invention, a state monitoring signal, and each signal.

  An overall configuration of a lighting control system according to an embodiment of the present invention will be described with reference to FIG. The lighting control system includes a control device main body 1, an operation switch unit 2 connected to the control device main body 1 via a transmission line 3, and a plurality of control terminals 4a to 4n connected to the control device 1 via the transmission line 3. The lighting fixtures 5a to 5n connected to the control terminals 4a to 4n, respectively, and the power supply device 6 for supplying lighting power to the lighting fixtures 5a to 5b via the control terminals 4a to 4n.

  The control device body 1 is turned on and off for each control terminal 4a to 4n in response to an operation input for turning on, turning off, and dimming the lighting fixtures 5a to 5n for each of the control terminals 4a to 4n from the operation switch unit 2. Then, an operation control signal such as dimming, which will be described later, and a control signal such as a state monitoring signal, which will be described later, for detecting the current operation state of each of the control terminals 4a to 4n are generated and transmitted. Further, the control device main body 1 receives the operation results and the operation state information from the control terminals 4a to 4n according to the transmitted operation control signals and the control signals of the state monitoring signals, and receives the control terminals 4a to 4n. Compare with the contents of the control signal transmitted to 4n. If the contents of the control signal transmitted from the control device main body 1 to the control terminals 4a to 4n and the operation results and operation state information from the control terminals 4a to 4n are not consistent, the mismatched control terminals 4a to 4n. Record 4n.

  The operation switch unit 2 is provided with a plurality of switches for operation input of turning on / off and dimming of the lighting fixtures 5a to 5n corresponding to the respective control terminals 4a to 4n. The operation switch unit 2 is provided on a wall surface, and an operator inputs lighting, extinguishing, and dimming operations for each of the control terminals 4a to 4n. Information input by the operator operating the switch of the operation switch unit 2 is supplied to the control device main body 1 via the transmission line 3.

  Each of the control terminals 4a to 4n is assigned a unique address. Although the configuration of the control terminal 4 will be described later with reference to FIG. 2, it is connected in series to the control device main body 1 by the transmission line 3. The control terminals 4a to 4n turn on, turn off, and dim the lighting fixtures 5a to 5n according to the operation control signal of the control signal transmitted from the control device main body 1.

  The lighting fixtures 5a to 5n include an illumination lamp, an illumination lamp lighting circuit, a dimming circuit, a reflector, and the like, and are turned on and off and dimmed by the control terminals 4a to 4n. The power supply device 6 supplies lighting power to the lighting fixtures 5a to 5n via the control terminals 4a to 4n.

  Next, the configuration of the control terminal 4 will be described with reference to FIG. The control terminal 4 includes a driver circuit 11 connected to the transmission line 3, a microcomputer (hereinafter simply referred to as CPU) 12 connected to the driver circuit 11, a non-volatile memory 13 connected to the CPU 12, and control of the CPU 12. LED 14 that is lit based on the above, relay 15 that is driven based on the control of CPU 12, driver circuit 11, CPU 12, and power supply 16 that supplies operating power to LED 14.

  The driver circuit 11 receives a control signal transmitted from the control device main body 1 via the transmission line 3, and returns an operation result returned from the control terminal device 4 to the control device main body 1 and an information signal of an operation state.

  The CPU 12 decodes the control signal received by the driver circuit 11 to determine whether the control signal is for the address of its own control terminal 4 and to the lighting fixture 5 according to the control signal of its own address. And a processing sequence such as detection of reception abnormality according to an embodiment of the present invention to be described later are incorporated. The memory 13 is a memory for storing the reception abnormality information when the CPU 12 determines that the reception abnormality is detected under the control of the CPU 12. When the CPU 14 determines that the reception abnormality is detected by the CPU 12 under the control of the CPU 12, the LED 14 is turned on to display the reception abnormality. The relay 15 is driven under the control of the CPU 12 and supplies lighting power to the lighting fixture 5.

  Next, the control signal transmitted through the transmission line 3 between the control apparatus main body 1 and the control terminals 4a-4s is demonstrated using FIG.

  The control device body 1 generates an operation control signal A shown in FIG. 3A in response to an operation input to the control terminals 4a to 4n input by the operator from the operation switch unit 2. The operation control signal A is, for example, based on operation input information from the operation switch unit 2 when lighting, extinction, and dimming of the lighting fixture 5a connected to the control terminal 4a are input from the operation switch unit 2. , An identification code area for identifying that the control terminal 4a is a signal indicating turning on / off and dimming, an address data area of the control terminal 4a to be operated and controlled, lighting, extinguishing and dimming It consists of an area for operation data for light and an area for writing response data as a result of operation by the control terminal 4a based on the operation data.

  When the operation control signal A of the control terminal 4a is transmitted, a predetermined suspension period is provided, and the operation control signal A of the control terminal 4b having the same configuration is generated and transmitted. In this way, the operation control signal A for each of the control terminals 4a to 4n is sequentially transmitted, and when the transmission of the operation control signal A of the last control terminal 4n is completed, the operation control signal A is transmitted again from the control terminal 4a. Is repeated.

  The operation control signal A for each of the control terminals 4a to 4n transmitted from the control device body 1 via the transmission line 3 is sequentially received by each of the control terminals 4a to 4n and transmitted by the respective CPUs 12. The operation control signal A is decoded to determine whether it is the operation control signal of its own address. For example, if the CPU 12 of the control terminal 4a determines that it is the operation control signal A of its own address, the CPU 12 turns on or off the connected lighting fixture 5a based on the operation data area data. Then, the relay 15 is turned on / off and the connected lighting fixture 5a is dimmed in accordance with the dimming degree data at the time of lighting. Further, the CPU 12 sends the operation result of the lighting fixture 5a to the write transmission line 2 in the response data area of the operation control signal of the control terminal 4a based on the operation control signal of the control terminal 4a. The control terminal 4a sends the operation control signal A other than its own address to the transmission line 3 without causing any reaction.

  In this way, each of the control terminals 4a to 4n operates the lighting fixtures 5a to 5n to be turned on / off and dimmed based on the operation control signal A corresponding to its own address from the transmitted operation control signal A. Response data, which is the operation result, is written in the response data area and transmitted back to the control device main body 1.

  Further, in addition to the operation control signal A, the control device main body 1 generates a state monitoring signal B for monitoring the operation state of each of the control terminals 4a to 4n and controls the control terminals 4a to 4n via the transmission line 2. Send to and transmit. As shown in FIG. 3B, the state monitoring signal B includes, for example, an identification code area for identifying that the control terminal 4a is a signal for monitoring operation control of the lighting fixture 5a, Control data that is the result of checking based on the address data area of the control terminal 4a to be monitored for operation status, the area of instruction data for checking the current operation status of lighting, extinguishing and dimming, and check instruction data It consists of an area for writing operation state data of the terminal device 4a.

  When the state monitoring signal B of the control terminal 4a is transmitted, the state monitoring signal B of the control terminal 4b having the same configuration is generated and transmitted with a predetermined pause period. Thus, the state monitoring signal B for each of the control terminals 4a to 4n is sequentially transmitted.

  Based on the state monitoring signal B for each of the control terminals 4a to 4n transmitted from the control device body 1, the control terminals 4a to 4n receive the state data corresponding to the current operation state of the lighting fixtures 5a to 5n. It is sent back to the control device main body 1 via the transmission line 3 that is generated and written in the status data area.

  As shown in FIG. 3C, the operation control signal A and the state monitoring signal B are transmitted and transmitted after the operation control signal A for the control terminals 4a to 4n is repeatedly transmitted a predetermined number of times A1 to An. The state monitoring signal B is transmitted once to the control terminals 4a to 4n, and once the transmission of the state monitoring signal B is completed, the operation control signal A is repeatedly transmitted a predetermined number of times A1 to An again. As described above, after the operation control signal A is repeatedly transmitted for a predetermined number of times, the state monitoring signal B is transmitted, and after the state monitoring signal B is transmitted, the operation control signal A is repeatedly transmitted for a predetermined number of times. That is, for example, the state monitoring signal B is set so that the state monitoring signal B is transmitted once after the operation control signal A is transmitted for 30 minutes, that is, once every 30 minutes.

  When the operation control signal A and the state monitoring signal B are transmitted from the control device main body 1 at a predetermined number of intervals, the control terminals 4a to 4n operate based on the operation control signal A and the state monitoring signal B. Response data and operation status data are returned.

  However, as described above, temporary contact failure due to disconnection or looseness in the connection between the transmission line 3 for transmitting the operation control signal A and the state monitoring signal B from the control device body 1 and the control terminals 4a to 4n. When this occurs, the control terminals 4a to 4n cannot receive the operation control signal A and the state monitoring signal B.

  In particular, if there is a temporary contact failure due to looseness of connection between the transmission line 3 and the control terminals 4a to 4n or a change with time, the control terminals 4a to 4n corresponding to the operation control signals recorded in the control device body 1 Although it is understood that a reception abnormality has occurred based on the response data, it has conventionally required a lot of time to identify the location where the reception abnormality has occurred in the transmission line 3 and the control terminals 4a to 4n.

  Therefore, the CPU 12 of the control terminal 4 of the lighting control system according to the embodiment of the present invention is provided with a reception abnormality detecting means for detecting a reception abnormality of the control signal transmitted from the living device body 1. For example, the reception abnormality detection means of the CPU 12 of the control terminal 4a detects the presence or absence of the operation control signal A having its own address data input from the transmission line 3 via the driver circuit 11. If the CPU 12 of the control terminal 4a cannot receive the operation control signal A having its own address data for a predetermined time, a disconnection or looseness occurs between the control terminal 4a and the transmission line 3, and a reception abnormality due to poor contact occurs. It is determined that

  Alternatively, the operation control signal A transmitted and transmitted from the control device main body 1 should not be transmitted to the control terminal 4 having an address that does not require operation control of turning on / off and dimming. There is also. In that case, even if the operation control signal A having its own address is not received, the presence / absence of the operation control signal A having the address data of the other control terminal 4 is detected for a predetermined time. That is, the control terminal 4a when the operation control signal A for the control terminal 4a is not transmitted cannot be received by the CPU 12 of the control terminal 4a if the operation control signal A for the other control terminals 4b to 4n cannot be received for a predetermined time. The abnormality detection means determines that a reception abnormality due to contact failure has occurred due to disconnection or looseness between the control terminal 4a and the transmission line 3.

  Alternatively, the control terminal 4 detects whether or not the transmitted state monitoring signal B is received after the operation control signal A repeated a predetermined number of times. Since the state monitoring signal B is transmitted to all the control terminals 4a to 4n, for example, when the control terminal 4a cannot receive the state monitoring signal B after a predetermined period, the control terminal 4a It is determined that a reception abnormality has occurred between the transmission line 3 and a contact failure due to disconnection or looseness.

  As described above, the reception abnormality detecting means of the CPU 12 of the control terminal 4 is not able to receive and detect the scanning control signal A including its own address data or the scanning control signal A including other address data for a predetermined time, or at a predetermined interval. If the status monitoring signal B transmitted in step 1 cannot be detected, it is determined that there is a reception abnormality, the occurrence of the reception abnormality is recorded in the memory 13, and the LED 14 is turned on.

  Note that the reception abnormality occurrence storage stored in the memory 13 may simply store the occurrence of the reception abnormality, or may store the date and time of occurrence of the reception abnormality using the timekeeping function of the CPU 12. Note that the reception abnormality stored in the memory 13 is not erased even if the reception abnormality is resolved due to a temporary contact failure of the transmission line 3 and the normal reception state is reached, and is stored until it is inspected and repaired by the operator.

  Further, the LED 14 is turned on together with the occurrence of reception abnormality in the memory 13 and is turned on until the inspection and repair by the operator is completed.

  Accordingly, since the operator can recognize the reception abnormality of the control terminals 4a to 4n by the lighting of the LEDs 14 of the control terminals 4a to 4n, the control terminals 4a to 4n can be recognized from the lighting of the LED 14 and the reception abnormality information of the memory 13. And the connection state of the transmission line 3 can be checked and the connection can be repaired.

  Note that, in the above description, the control device body 1 controls each control device main body 1 except for generating and transmitting the operation control signals A of the control terminals 4a to 4n according to the operation input from the operation switch unit 2. For example, a schedule for a day is set for turning on, turning off, and dimming the terminals 4a to 4n, and the built-in timer automatically turns on when a certain time is reached, turns off when a certain time is reached, etc. Lighting control can also be performed.

  As described above, the lighting control system according to an embodiment of the present invention causes a control terminal connected to a lighting fixture to display storage as a reception abnormality when a control signal from the control device body cannot be detected for a certain period of time. Since the reception abnormality detecting means is provided in the control terminal itself, confirmation of reception abnormality and inspection and maintenance are facilitated.

The block diagram which shows the whole structure of the illumination control system of one Embodiment of this invention. The block diagram which shows the structure of the control terminal unit used for the illumination control system of one Embodiment of this invention. Explanatory drawing explaining the transmission form of the operation control signal of the illumination control system of one Embodiment of this invention, a state monitoring signal, and each signal.

Explanation of symbols

    DESCRIPTION OF SYMBOLS 1 ... Control apparatus main body, 2 ... Switch box, 3 ... Transmission line, 4 ... Control terminal, 5 ... Lighting fixture, 6 ... Power supply device, 11 ... Driver circuit, 12 ... Microcomputer (CPU), 13 ... Memory, 14 ... LED, 15 ... relay, 16 ... power supply.

  Attorney Susumu Ito

Claims (3)

A plurality of control terminals for connecting lighting loads;
A control device main body for generating and transmitting control signals for operation control and state monitoring of the lighting load connected to the plurality of control terminals;
A reception abnormality detection means provided in each of the control terminals, for detecting a reception abnormality of the control signal transmitted from the control device body, storing abnormality information, and displaying a reception abnormality;
A lighting control system comprising:   The illumination control system according to claim 1, wherein the reception abnormality detection unit determines that there is a reception abnormality when the control signal transmitted from the control device main body cannot be detected for a certain period of time.   The reception abnormality detection means is received when the control signal transmitted from the control device main body cannot detect any control signal for operation control or status monitoring having an address set in its own control terminal. The illumination control system according to claim 1, wherein the illumination control system is determined to be abnormal.

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