WO2012161066A1 - Système de communication et modules de superposition - Google Patents

Système de communication et modules de superposition Download PDF

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Publication number
WO2012161066A1
WO2012161066A1 PCT/JP2012/062593 JP2012062593W WO2012161066A1 WO 2012161066 A1 WO2012161066 A1 WO 2012161066A1 JP 2012062593 W JP2012062593 W JP 2012062593W WO 2012161066 A1 WO2012161066 A1 WO 2012161066A1
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WIPO (PCT)
Prior art keywords
signal
band
setting
transmission
setting information
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PCT/JP2012/062593
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English (en)
Japanese (ja)
Inventor
高橋　賢
松本　正
Original Assignee
パナソニック株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by パナソニック株式会社 filed Critical パナソニック株式会社
Priority to KR1020137020312A priority Critical patent/KR101510171B1/ko
Priority to CN201280024115.3A priority patent/CN103548360A/zh
Publication of WO2012161066A1 publication Critical patent/WO2012161066A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom

Definitions

  • the present invention is configured such that a terminal device that communicates using a transmission signal repeatedly sent from a transmission unit to a communication line and a superposition module that communicates using a superposition signal superimposed on the transmission signal are connected to the communication line.
  • the present invention relates to a communication system and a superposition module.
  • a communication system in which a transmission unit (master unit) and a plurality of terminal devices (slave units) are connected to a transmission path and communication is performed between each terminal device and the transmission unit has been widely used.
  • the transmission unit periodically monitors the state of the terminal device, and when there is a change in the state of the terminal device, the transmission unit performs other processing to perform processing corresponding to the state change.
  • There are systems that send signals to terminal devices see, for example, Japanese Patent No. 1180690, Japanese Patent No. 1195362, and Japanese Patent No. 1144477).
  • the terminal devices always communicate with each other via the transmission unit, and the transmission unit polls the terminal device, so the communication speed is low, for example, relatively data such as an analog amount. It is not suitable for transmitting large amounts of information. Further, the above communication system has a problem that the reliability of the system is low because the entire system is stopped when a transmission unit fails.
  • the transmission signal is a signal of a time division system that is divided into a plurality of periods in the time axis direction for each frame, and a part of the period is assigned as a superimposable period in which the superposed signal can be superposed. That is, the superimposition module communicates using the superimposition signal transmitted through the transmission line common to the transmission signal in the superimposable period assigned to a part of the transmission signal.
  • the superimposition module divides the transmission data into a plurality of data and sequentially transmits the data every superimposable period when the amount of transmission data is large and cannot be transmitted within one superimposable period. . That is, since the transmission data is transmitted across a plurality of superimposable periods, the superposition module cannot transmit the transmission data in one frame of the transmission signal if the data amount of the transmission data increases. Transmission data may be transmitted over a plurality of frames of transmission signals.
  • the period during which the superposition module can transmit the superposition signal is limited to a part of the transmission signal, the amount of data that can be transmitted during one frame of the transmission signal is limited. It is difficult to improve the communication speed between modules.
  • an object of the present invention is to provide a communication system and a superposition module that can improve the communication speed of communication using a superposition signal.
  • the communication system of the present invention includes a transmission unit that repeatedly transmits a transmission signal to a communication line, a terminal device that communicates using the transmission signal, and a superposition module that communicates using a superposition signal superimposed on the transmission signal.
  • the transmission signal receives a transmission band for transmitting data to the terminal device and a return signal from the terminal device in a time axis direction for each frame.
  • a time-division method signal divided into a plurality of bands including a response band that is a time slot to be transmitted, wherein the superposition module performs a predetermined detection period from the start point of the reply band for each frame of the transmission signal.
  • a determination unit configured to determine the presence or absence of the return signal, and the overlap of the superimposed signal is determined for the return band determined by the determination unit to include the return signal.
  • the reply segment that is determined not by the determination unit uses the superimposed signal as a superposition possible superimposition allowable zone.
  • the superimposing module uses the return band of the transmission signal as a superimposable band under certain conditions for superimposing the superimposed signal, so that the communication speed of communication using the superimposed signal can be improved.
  • the transmission signal includes an interrupt band for receiving an interrupt signal from the terminal device, and the transmission unit receives the interrupt signal in the interrupt band
  • the next reply band is assigned to the terminal device that has generated the interrupt signal
  • the superimposition module has an interrupt generation unit that generates the interrupt signal in the interrupt band,
  • the interrupt generation unit When the interrupt generation unit generates the interrupt signal, the entire response band may be used as the superimposable band without determining whether or not the reply signal is present in the determination unit in the next reply band. desirable.
  • the terminal device includes a plurality of terminal devices, each terminal device has a controlled device controlled according to a control command, and the control command is specific to the controlled device to be controlled.
  • the transmission unit is information used when collectively controlling a plurality of controlled devices, and is a combination of at least the identifiers to be subject to batch control.
  • a setting storage unit that stores setting information including: a setting device that sets the setting information is connected to the communication line, and the setting device transmits the transmission when the setting information is set.
  • the transmission unit Transmitting the setting information to a unit, causing the transmission unit to write the setting information to the setting storage unit; ,
  • the transmission unit and is provided on the setting device, it is more desirable to transmit the setting information to the transmitting unit from the setting device by the superimposed signal.
  • the transmission signal includes a band that is the superimposable band other than the reply band, and a part of the band that is the superimposable band is only for synchronization of the setting information between the plurality of superimposing modules. It is more desirable to use a dedicated synchronization band.
  • the setting device can communicate using the transmission signal, includes a plurality of setting devices, and two setting devices among the plurality of setting devices simultaneously set the setting information. More preferably, one setting device transmits the setting information using the transmission signal, and the other setting device transmits the setting information using the superimposed signal.
  • the transmission unit when the transmission unit receives the control request for the controlled device and the setting information at the same time, the transmission unit temporarily stores the control request in a buffer memory and sends the setting information to the setting storage unit. It is more desirable to transmit the control command based on the control request in the buffer memory after the writing of is completed.
  • the transmission signal includes a band that is the superimposable band other than the reply band, and a part of the band that is the superimposable band is only for synchronization of the setting information between the plurality of superimposing modules. It is more desirable to use a dedicated synchronization band.
  • the setting device can communicate using the transmission signal, includes a plurality of setting devices, and two setting devices among the plurality of setting devices simultaneously set the setting information. More preferably, one setting device transmits the setting information using the transmission signal, and the other setting device transmits the setting information using the superimposed signal.
  • the transmission signal includes a band that becomes the superimposable band in addition to the reply band, and a part of the band that becomes the superimposable band is the setting information between a plurality of the superposition modules. It is more desirable that the dedicated band be used only for synchronization.
  • the setting device is capable of communication using the transmission signal, and includes a plurality of setting devices, and two setting devices out of the plurality of setting devices simultaneously transmit the setting information. More preferably, one setting device transmits the setting information using the transmission signal, and the other setting device transmits the setting information using the superimposed signal.
  • the superposition module of the present invention includes a transmission unit that repeatedly transmits a transmission signal to a communication line, a terminal device that communicates using the transmission signal, and a superposition module that communicates using the superposition signal superimposed on the transmission signal.
  • the transmission signal Used in a communication system connected to the communication line, the transmission signal receives a transmission band for transmitting data to the terminal device and a return signal from the terminal device in the time axis direction for each frame. Presence or absence of the reply signal in a predetermined detection period from the start time of the reply band for each frame of the transmission signal.
  • a determination unit that determines whether or not the reply signal is determined to be present by the determination unit and is not used for superimposing the superimposed signal.
  • the reply segment that is determined not by the determination unit uses the superimposed signal as a superposition possible superimposition allowable zone.
  • the transmission signal includes an interrupt band for receiving an interrupt signal from the terminal device, and the transmission unit receives the interrupt signal in the interrupt band
  • the next reply band is assigned to the terminal device that has generated the interrupt signal
  • the superimposition module has an interrupt generation unit that generates the interrupt signal in the interrupt band,
  • the interrupt generation unit When the interrupt generation unit generates the interrupt signal, the entire response band may be used as the superimposable band without determining whether or not the reply signal is present in the determination unit in the next reply band. desirable.
  • the terminal device includes a plurality of terminal devices, each terminal device includes a controlled device controlled according to a control command, and the control command is specific to the controlled device to be controlled.
  • the transmission unit is information used when collectively controlling a plurality of controlled devices, and is a combination of at least the identifiers to be subject to batch control.
  • a setting storage unit that stores setting information including: a setting device that sets the setting information is connected to the communication line, and the setting device transmits the transmission when the setting information is set.
  • the transmission unit By transmitting the setting information to a unit, the transmission unit is caused to write the setting information into the setting storage unit, and the superposition module Is provided in the transmission unit and the setting device, it is desirable to transmit the setting information to the transmitting unit from the setting device by the superimposed signal.
  • FIG. 1 is an overall system configuration diagram of a communication system according to a first embodiment.
  • 2 is a block diagram of a transmission unit of the communication system according to Embodiment 1.
  • FIG. 4 is a waveform diagram showing transmission signals used in the communication system according to Embodiment 1.
  • FIG. 1 is a block diagram illustrating a setting device of a communication system according to a first embodiment.
  • 2 is a block diagram illustrating a server unit of the communication system according to Embodiment 1.
  • FIG. 3 is a waveform diagram illustrating a transmission signal return band used in the communication system according to the first embodiment.
  • FIG. 1 is a block diagram illustrating a transmission unit of a communication system according to Embodiment 1.
  • FIG. 6 is an explanatory diagram illustrating an operation of a communication system according to Embodiment 2.
  • FIG. 10 is an explanatory diagram illustrating an operation of a transmission unit of a communication system according to Embodiment 2.
  • the communication system includes a transmission unit 1 as a master unit connected to a two-wire communication line 2, a plurality (two in this case) of terminal devices 3, and a plurality of terminals. There are two (here, two) setting devices 4 and a server unit 5.
  • first protocol signal transmitted through the communication line 2
  • second protocol signal superimposed on the transmission signal
  • the plurality of terminal devices 3 are connected in parallel to the transmission unit 1 via the communication line 2.
  • the transmission unit 1 and the terminal device 3 are time-division multiplex transmission systems (hereinafter referred to as “basic systems”) in which data transmission from the transmission unit 1 to the terminal device 3 and data transmission from the terminal device 3 to the transmission unit 1 are performed in a time division manner. ”).
  • the terminal device 3 is classified into two types: a monitoring terminal having a switch 31 such as a wall switch and a control terminal having a controlled device 32 such as a relay. Accordingly, it is possible to control a load (not shown) connected to the controlled device 32 in accordance with the monitoring input from the switch 31.
  • the terminal device 3 stores its own pre-assigned address in a storage unit (not shown).
  • the monitoring terminal is not limited to the switch 31 and may be provided with a sensor.
  • the monitoring terminal When the monitoring terminal receives the monitoring input, it transmits a control request corresponding to the monitoring input to the transmission unit 1.
  • the transmission unit 1 transmits a control command to the control terminal associated with the monitoring terminal by the address.
  • the control terminal controls the controlled device 32 according to the control command.
  • the controlled device 32 controls the connected load (electric device) by turning on and off a relay as the controlled device 32, for example. Since the control command reflects the monitoring input of the switch 31, the operation on the switch 31 is eventually reflected in the control of the controlled device 32.
  • the transmission unit 1 stores a control table in which the switch 31 and the controlled device 32 are associated by an address in the storage unit 12 (see FIG. 1B).
  • the terminal device 3 has a plurality of circuit switches 31, all the switches 31 of the terminal device 3 correspond to only the terminal address unique to the terminal device 3, and the only one actually operated The switch 31 cannot be specified. Therefore, in the operation terminal, a load number is assigned to each circuit of the switch 31 so that the only switch 31 actually operated can be specified, and the load number is added after the terminal address of the terminal device 3. Is used as an address (identifier) unique to the switch 31.
  • a load number is assigned to each relay circuit of the controlled device 32, and an address in which the load number is added after the terminal address of the terminal device 3 is an address (identifier) unique to the controlled device 32. To do.
  • the transmission unit 1 includes a transmission processing unit 11, a storage unit 12, a communication module 9 for performing communication using a transmission signal, a superposition module 8 and a setting storage unit 13 to be described later.
  • the communication module 9 includes a transmission / reception unit 92, a transmission data analysis unit 93 and a transmission data generation unit 94 connected to the transmission / reception unit 92.
  • the transmission / reception unit 92 generates a waveform of the transmission signal and sends it to the communication line 2 or receives a return signal from the transmission signal on the communication line 2.
  • the transmission data analysis unit 93 analyzes the content of the reply signal received by the transmission / reception unit 92, and the transmission data generation unit 94 generates data to be sent by the transmission signal and transmits the data to the terminal device 3 via the transmission transmission / reception unit 92.
  • the transmission processing unit 11 refers to the control table in the storage unit 12 and monitors the switch 31 and controls the controlled device 32 using the transmission signal.
  • the transmission unit 1 also has a function of periodically monitoring the operation state of the terminal device 3 and holding it in the storage unit 12.
  • the transmission unit 1 serving as a master unit transmits a transmission signal in a time division system composed of voltage waveforms in a format divided into a plurality of bands in the time axis direction as shown in FIG. That is, the transmission signal is composed of seven bands including a spare interrupt band 21, a spare band 22, a transmission band 23, a reply band 24, an interrupt band 25, a short-circuit detection band 26, and a pause band 27. This is a time-division multiplexed signal with multiple poles ( ⁇ 24V).
  • the spare interrupt band 21 is a period for detecting a secondary interrupt
  • the spare band 22 is a period set in accordance with the interrupt band 25 and the short-circuit detection band 26, and the transmission band 23 sends data to the terminal device 3.
  • the reply band 24 is a time slot for receiving a return signal from the terminal device 3
  • the interrupt band 25 is a period for detecting an interrupt signal to be described later
  • the short circuit detection band 26 is a period for detecting a short circuit. It is.
  • the idle zone 27 is a period for when processing is not in time.
  • each terminal device 3 when the address data included in the transmission band 23 of the transmission signal received via the communication line 2 matches the address stored in each memory (not shown), the transmission device controls the controlled device. A control command for controlling 32 is fetched. Further, the terminal device 3 returns the control result as a current mode signal (a signal transmitted by short-circuiting the communication line 2 via an appropriate low impedance) in synchronization with the transmission signal return band 24. Note that power for the internal circuit of the terminal device 3 is supplied by rectifying and stabilizing a transmission signal transmitted via the communication line 2.
  • the transmission unit 1 always performs polling for sequentially accessing the terminal device 3 by cyclically changing the address data included in the transmission signal. At the time of constant polling, the terminal device 3 in which the address data included in the transmission signal matches its own address operates if the control signal is included in the transmission signal. It returns to the transmission unit 1 as a control result.
  • the transmission unit 1 When the transmission unit 1 receives an interrupt signal generated in response to the monitoring input of the switch 31 in any of the monitoring terminals (terminal device 3), the transmission unit 1 searches for the terminal device 3 that generated the interrupt signal, The terminal device 3 is accessed to perform interrupt polling.
  • the transmission unit 1 always transmits a transmission signal in which the mode data is in the normal mode, and detects the interrupt signal generated in the monitoring terminal (terminal device 3) in synchronization with the interrupt band 25 of the transmission signal.
  • the transmission signal in which the mode data is set to the interrupt polling mode is transmitted.
  • the terminal device 3 that generated the interrupt signal synchronizes itself with the return band 24 of the transmission signal.
  • the lower bits of the address of are returned as return data.
  • the transmission unit 1 can acquire the address of the terminal device 3 that generated the interrupt signal.
  • the transmission unit 1 When the address of the terminal device 3 that has generated the interrupt signal is acquired by the transmission unit 1, the transmission unit 1 sends a transmission signal requesting the terminal device 3 to return a control request, and the terminal device 3 A control request corresponding to the monitoring input 31 is returned to the transmission unit 1.
  • the transmission unit 1 receives the control request, it gives an instruction to clear the monitoring input of the corresponding terminal device 3, and the monitoring input is cleared in this terminal device 3.
  • the transmission unit 1 that has received the control request generates a control command to be transmitted to the terminal device (control terminal device) 3 that is associated with the terminal device (monitoring terminal device) 3 that is the source of the control request by the correspondence relationship of the addresses. To do.
  • the transmission unit 1 sends a transmission signal including this control command to the communication line 2 to control the controlled device 32 attached to the terminal device (control terminal device) 3.
  • the terminal devices (monitoring terminal unit, control terminal unit) 3 communicate with each other via the transmission unit 1 in accordance with the polling / selecting protocol (first protocol).
  • the switch 31 and the controlled device 32 can be connected one-to-one as well as one-to-one.
  • the transmission unit 1 uses a single circuit switch 31 to control a single lighting device and a single circuit switch.
  • the collective control in which the lighting fixtures of a plurality of circuits are collectively controlled at 31 is possible.
  • the collective control includes group control and pattern control.
  • the group control is a control in which a plurality of relays to be controlled are associated with one circuit switch 31 and the plurality of relays are collectively turned on or off by the operation of the switch 31.
  • a plurality of relays to be controlled and a control state (ON or OFF) corresponding to each relay are associated with a switch 31 of one circuit, and the plurality of relays are turned ON or OFF by operating the switch 31. It is control to make.
  • the transmission unit 1 has a setting storage unit 13 for storing setting information used when collectively controlling a plurality of controlled devices 32.
  • the setting information is information including a combination of addresses (hereinafter referred to as “individual addresses”) unique to the controlled devices 32 subject to batch control.
  • the combination of individual addresses is a group address or pattern. Consists of information associated with an address.
  • the group address is associated with the address of the switch 31 operated during group control in the control table
  • the pattern address is associated with the address of the switch 31 operated during pattern control in the control table.
  • the transmission unit 1 expands the address of the controlled device 32 to be controlled by collating with the setting information, and these controlled devices. A control command is issued to 32.
  • the setting device 4 is a device for setting such setting information.
  • the setting device 4 transmits (transfers) the setting information to the transmission unit 1 to thereby transmit the setting information to the transmission unit 1.
  • Writing of setting information to the setting storage unit 13 is executed.
  • the setting device 4 includes a communication module 9 as with the transmission unit 1. Further, the setting device 4 includes a setting processing unit 41 that sets setting information, an input unit 42, a display unit 43, and a storage unit 44. Accordingly, the user can input setting information from the input unit 42 while confirming the setting contents on the display unit 43, and the input setting information is temporarily stored in the storage unit 44 by the setting processing unit 41. .
  • the setting device 4 registers the setting information (writes to the setting storage unit 13) by transferring the setting information in the storage unit 44 to the transmission unit 1.
  • the server unit 5 can monitor and control the information of the terminal device 3 (such as the operation state of the switch 31 and the controlled device 32) via the network 6 using the Web browser function of the client terminal 7.
  • the client terminal 7 may be a device having a Web browser function and a user interface such as a display unit and an operation unit, and a personal computer is used here.
  • the server unit 5 includes a communication module 9 as in the transmission unit 1. Furthermore, the server unit 5 includes a storage unit 51 that stores setting information, and a Web screen configuration unit 52 that is connected to the setting processing unit 41 and provides Web content to the client terminal 7, and also functions as a setting device. Thereby, the user can set the setting information using the client terminal 7 even from a remote place, and the input setting information is stored in the storage unit 51 of the server unit 5.
  • the storage unit 51 of the server unit 5 also stores schedule data for controlling the schedule of the terminal device 3 according to the schedule.
  • the setting information as described above is generally transferred from the setting device 4 or the server unit 5 to the transmission unit 1 using a transmission signal.
  • a specific method there is a first method for interrupting all the monitoring of the switch 31 and the control of the controlled device 32 and transferring the setting information, and the setting while continuing the monitoring of the switch 31 and the control of the controlled device 32
  • a second method for transferring information there is a second method for transferring information.
  • the setting device 4 or the server unit 5 transfers the setting information exclusively using the transmission signal while the monitoring of the switch 31 and the control of the controlled device 32 are interrupted.
  • the setting device 4 or the server unit 5 generates an interrupt signal, receives the interrupt polling from the transmission unit 1, and transfers the setting information.
  • the transmission unit 1 cannot perform either the monitoring of the switch 31 or the control of the controlled device 32 during the transfer of the setting information. There is a problem that it will stop. In particular, when a large number of group addresses or pattern addresses are set (for example, 72 pattern addresses and 128 group addresses), it takes a relatively long time (for example, about 30 minutes) to transfer setting information. The operation stop time becomes longer.
  • the setting device 4 and the server unit 5 transfer the setting information with an interrupt, a delay occurs in the monitoring of the switch 31 and the control of the controlled device 32 by the transmission unit 1, There is a delay in the operation of the system. In addition, since it takes a longer time than the first method to transfer the setting information, the time required to register the setting information becomes longer.
  • a superimposition signal is used instead of a transmission signal at the time of transfer for registration or synchronization of setting information for group control and pattern control as described above.
  • each of the transmission unit 1 for registering setting information, the setting device 4 having a function for setting setting information, and the server unit 5 includes a superposition module 8 (FIG. 1B, 3 and 4).
  • the superposition module 8 is a communication interface that communicates with each other using a superposition signal that is superposed on a transmission signal while sharing the communication line 2 with the basic system, and the setting information is transmitted from the setting device 4 and the server unit 5 by the superposition signal. Transfer to transmission unit 1.
  • communication using the superimposed signal will be described in detail.
  • the superposition module 8 transmits the transmission data (setting information) to another superposition module 8 in a peer-to-peer (P2P) manner without passing through the transmission unit 1 according to a protocol (second protocol) different from the first protocol described above.
  • P2P peer-to-peer
  • the superposition module 8 includes a superposition unit 81 connected to the communication line 2, a superposition transmission / reception unit 82 connected to the superposition unit 81, and a superposition data analysis unit 83 connected to the superposition transmission / reception unit 82. And a superimposition data generation unit 84.
  • the superimposing unit 81 superimposes the superimposition signal on the transmission signal and transmits it on the communication line 2 or separates the transmission signal and the superimposition signal from the signal on the communication line 2.
  • the superimposing transmitter / receiver 82 transmits / receives a superimposing signal to / from another superimposing module 8 via the superimposing unit 81.
  • the superimposed data analysis unit 83 analyzes the content of the superimposed signal received by the superimposed transmission / reception unit 82, and the superimposed data generation unit 84 generates a superimposed signal to be transmitted by the superimposed transmission / reception unit 82.
  • the superimposing module 8 superimposes a packet including data to be transmitted to another superimposing module 8 on the transmission signal according to the second protocol, and transmits the packet to the communication line 2.
  • the other superimposing module 8 transmits the packet.
  • a second protocol packet is received. That is, communication between the terminal devices 3 according to the first protocol is performed via the transmission unit 1 as described above, whereas communication between the superimposition modules 8 according to the second protocol is directly performed between the superimposition modules 8 and transmitted. It does not depend on unit 1. Therefore, communication using the second protocol can increase the communication speed compared to communication using the first protocol, and information having a larger amount of data than control requests and control commands, such as setting information for group control and pattern control. Used for transmission.
  • the superposition module 8 includes a determination unit 85 that monitors a transmission signal transmitted between the transmission unit 1 and the terminal device 3 of the basic system.
  • the determination unit 85 determines a data transmission status (hereinafter referred to as “state”) from the transmission signal. ”).
  • state a data transmission status
  • the superimposing module 8 determines whether or not the state analyzed by the determining unit 85 is in a state suitable for superimposing the superimposed signal, and at the timing determined to be suitable for transmission, the superimposing unit 81 converts the state into a transmission signal. Superimpose the superimposed signal.
  • the transmission signal adopts a signal format as shown in FIG.
  • the spare interrupt band 21, the spare band 22, and the idle band 27 do not affect the communication of the first protocol even if the superimposed signal is superimposed, and the superimposed signal is not easily influenced by the transmission signal, so that the superimposed signal can be superimposed.
  • This is a band (hereinafter referred to as “superimposable band”).
  • the superimposing module 8 uses the reply band 24 as a superimposable band with some conditions in addition to these three bands.
  • the time during which the transmission signal is stable at the high level or the low level is relatively short, and the first protocol is used when the superimposed signal is superimposed. It is easy to affect communication. Further, when a superimposed signal is superimposed on the other band, the superimposed signal is also easily affected by a signal (interrupt signal or transmission data) exchanged between the transmission unit 1 and the terminal device 3. Therefore, the other band is a band that is not used for superimposing the superimposed signal (hereinafter referred to as “non-superimposable band”).
  • the rising and falling periods of the transmission signal are not suitable for superimposing the superimposed signal due to the influence of harmonic noise or the transient response accompanying the signal voltage inversion. Therefore, the transmission signal becomes a non-overlapping band for a predetermined time (for example, 300 ⁇ s) after the band switching (rising or falling) among the spare interrupt band 21, the spare band 22, and the pause band 27.
  • the determination unit 85 determines whether the band is superimposable or non-superimposable based on the analysis result of the state of the transmission signal, and the superimposition unit 81 transmits the superimposed signal only when it is determined that the band can be superimposed. Is configured to do.
  • the superimposing module 8 superimposes the superimposition signal only on the band where the transmission signal can be superposed so as to be synchronized with the transmission signal in this way, thereby communicating the first protocol and the second protocol using the common communication line 2. To avoid interference.
  • the superimposition module 8 interrupts communication at the end of the superimposable band, and the next superimposable band Send the remaining data to. That is, when the received superimposed signal is divided and transmitted, the superimposed transmission / reception unit 82 combines the data into one data, and divides the data into a length that can be superimposed on the superimposable band when transmitting the superimposed signal.
  • the power supply to each part of the superposition module 8 is supplied by rectifying and stabilizing the transmission signal transmitted from the transmission unit 1 through the communication line 2 (the centralized power supply method) as in the terminal device 3. ).
  • the power supply to each part of the superposition module 8 is not limited to this configuration, and may be performed by a system (local power supply system) that is supplied by rectifying and stabilizing commercial power.
  • the superposition module 8 includes a superposition signal as a superimposable band for the reply band 24 in addition to the three bands of the spare interrupt band 21, the spare band 22, and the pause band 27. Used for superimposing.
  • the superposition module 8 determines the presence or absence of a reply signal in a predetermined detection period from the start of the reply band 24 for each frame of the transmission signal, and determines the reply band 24 that is judged to have no reply signal. Is used as a superimposable band on which a superimposition signal can be superimposed. On the other hand, the superimposing module 8 uses the reply band 24 determined as having a reply signal by the determining unit 85 as a non-superimposable band.
  • the reply band 24 is composed of five blocks “B1” to “B5” as shown in FIG. 5, and when a reply signal is generated in the terminal device 3, a predetermined time from the start of the reply band 24 is obtained.
  • a pulse occurs in the first block B1. Therefore, the determination unit 85 sets a predetermined time from the start time of the reply band 24 as the detection period T1, and if no pulse is generated within the detection period T1, the period after the second block B2 in the reply band 24 About T2, it judges that there is no reply signal and uses it as a superimposable zone.
  • FIG. 1 the reply band 24 is composed of five blocks “B1” to “B5” as shown in FIG. 5, and when a reply signal is generated in the terminal device 3, a predetermined time from the start of the reply band 24 is obtained.
  • the determination unit 85 sets a predetermined time from the start time of the reply band 24 as the detection period T1, and if no pulse is generated within the detection period T1, the period after the second block B2 in the reply band 24 About T
  • the superimposable band per frame of the transmission signal is compared with the case where the entire area of the reply band 24 is not superimposable. Will increase significantly as illustrated in Table 1.
  • Table 1 shows, for each band, when the reply band 24 is not used for superimposition of the superimposed signal and when a part of the reply band 24 (part excluding the detection period) is used for superimposition of the superimposed signal. It represents the amount of data that can be transmitted, its total, and communication speed. Here, it is calculated that 40-bit data can be transmitted in 1 ms.
  • the data amount of the superimposition signal that can be superimposed per frame of the transmission signal is greatly increased, and the communication speed is improved.
  • the communication speed when the reply band 24 is not used for superimposing the superimposed signal is 6.3 kbps
  • the communication speed when the reply band 24 is used for superimposing the superimposed signal is 15. It is improved to 7 kbps.
  • the setting information transferred using the superimposed signal has a signal configuration as shown in FIGS. 6A and 6B as an example. That is, the setting information related to pattern control includes, for example, a type 61, an address 62, a fade 63, component element information 64, a checksum 65, and a termination 66 as shown in FIG. 6A.
  • type 61 16 bits
  • address 62 12 bits
  • fade 63 4 bits
  • component element information 64 4288 bits
  • checksum 65 8 bits
  • termination 66 8 bits
  • setting information includes 4336 bits of data per pattern. Become.
  • the type 61 represents the type of setting information (group control or pattern control), and the address 62 is a pattern address (here, 72 types from “01” to “72”) or a group address (here, "001" to "128").
  • the fade 63 is a time from when pattern control is performed to when the control state is gradually changed to the set control state, and is selected from instantaneous, 3 seconds, 6 seconds, and 1 minute. .
  • the component element information 64 indicates a set of individual addresses (here, 256 addresses “00-1” to “63-4”) to be collectively controlled.
  • the checksum 65 is a data error detection code
  • the end 66 is a code indicating the end of the setting information.
  • the control content, timer, dimming level (when the load is a lighting fixture), etc. are set for each individual address.
  • the control content is alternatively selected from on, off, and non-target.
  • the timer is none, temporarily lit 30 seconds, temporarily lit 1 minute, temporarily lit 5 minutes, temporarily lit 60 minutes, temporarily lit 120 minutes, delayed unlit 30 seconds, delayed unlit 1 minute, delayed unlit 5 Alternatively selected from minutes.
  • the dimming level is alternatively selected from 0 to 128 that represents the brightness from turn-off to full turn-on.
  • the setting information related to group control includes, for example, a type 61, an address 62, component element information 64, a checksum 65, and a termination 66 as shown in FIG. 6B.
  • the type 61 16 bits
  • the address 62 12 bits
  • the component element information 64 2048 bits
  • the checksum 65 8 bits
  • the termination 66 8 bits
  • the setting information is data of 2284 bits per group.
  • the time required for transferring the setting information is obtained as shown in Table 2 from the data amount of the setting information per one pattern or group described above and the communication speed shown in Table 1 above.
  • Table 2 shows one pattern, 72 patterns, and one group for each of the case where the reply band 24 is not used for superimposing the superimposed signal and the case where a part of the reply band 24 is used for superimposing the superimposed signal.
  • the communication system of the present embodiment since the superimposed signal is used for the transfer of the setting information, while the setting information is transferred while continuing the monitoring of the switch 31 and the control of the controlled device 32, There is no delay in the operation of the basic stem.
  • the communication system of the present embodiment also uses the return band 24 of the transmission signal for the superimposition of the superimposed signal with a condition, the transmission band is superimposed per frame of the transmission signal as compared with the case where the return band 24 is not used.
  • the amount of possible superimposed signal data is greatly increased. Therefore, the time required for transferring the setting information from the setting device 4 or the server unit 5 to the transmission unit 1 can be shortened, and there is an advantage that the time required for registering the setting information can be shortened.
  • the number of group addresses and pattern addresses set is large (for example, 72 pattern addresses and 128 group addresses), the time required to transfer the setting information is greatly reduced.
  • each of the setting device 4 and the server unit 5 includes not only the superposition module 8 but also the communication module 9, so that setting information is transferred to the transmission unit 1 using a transmission signal. It is also possible to do. Whether the transmission signal or the superimposition signal is used for transferring the setting information can be arbitrarily switched by operating the setting device 4 and the server unit 5, for example.
  • the superimposition module 8 uses a predetermined time from the start time of the reply band 24 as a detection period for judging the presence / absence of a reply signal by the judgment unit 85, but this period is also included. It is also possible to use the entire reply band 24 as a superimposable band.
  • the superposition module 8 has an interrupt generation unit (not shown) that actively generates an interrupt signal in the interrupt band 25 (see FIG. 2), and when the interrupt generation unit interrupts, The entire area of the next reply band 24 can be used as a superimposable band.
  • the interrupt generation unit generates an interrupt signal
  • the superimposing module 8 does not determine the presence or absence of a return signal in the determination unit 85 in the next response band 24, but in the entire response band 24. It is possible to superimpose a superimposition signal.
  • the entire reply band 24 is used as a superimposable band, in the example of FIG. 5, a detection period T1 of 1900 ⁇ s is added to the superposable band from the start time of the reply band 24, and the superposition module 8 has a total of 6400 ⁇ s.
  • the superimposition signal can be superimposed on the entire reply band 24.
  • the superposition module 8 can transmit 76 bits of data in the reply band 24, resulting in 4 kbit per second. As much data as possible can be transmitted by the superimposed signal. That is, the communication speed is improved by 4 kbps.
  • the transmission unit 1 includes the buffer memory 14 and the conflict detection unit 15.
  • the transmission request is sent to the buffer memory 14.
  • the conflict detection unit 15 detects a conflict between the control request transmitted from the terminal device 3 using the transmission signal and the setting information transferred from the setting device 4 or the server unit 5 using the superimposed signal. That is, the conflict detection unit 15 determines that the control request and the setting information have conflicted when the timing when the communication module 9 receives the control request and the timing when the superimposition module 8 receives the setting information overlap.
  • the transmission unit 1 when a conflict is detected by the conflict detection unit 15, the transmission unit 1 temporarily stores the control request received at that time in the buffer memory 14. In this case, the transmission processing unit 11 reads the control request in the buffer memory 14 as soon as the writing of the setting information to the setting storage unit 13 is completed, and transmits a control command to the terminal device 3 based on the control request.
  • the buffer memory 14 and the conflict detection unit 15 when the control request for the transmission unit 1 and the setting information conflict, the control request is temporarily stored in the buffer memory 14 in the transmission unit 1 and set. Registration of setting information in the storage unit 13 is preferentially performed. Therefore, the setting information registration process by the setting device 4 and the server unit 5 can be completed early. In addition, even when the batch control switch 31 is operated simultaneously with the change of the setting information, the transmission unit 1 can perform the batch control using the new setting information after the change.
  • a part of the transmission signal that is a superimposable band may be a synchronization-dedicated band that is used only for synchronization of setting information between the plurality of superposition modules 8. That is, in the communication system of the present embodiment, group control and pattern control setting information is stored as a master in the transmission unit 1, but is also stored in the setting storage unit 13 of the setting device 4 and the server unit 5. ing. Therefore, when the setting device 4 or the server unit 5 is replaced or added during the operation of the communication system, the setting information is not consistent (mismatched) between the transmission unit 1, the setting device 4, and the server unit 5. May occur. In such a case, it is necessary to synchronize the setting information as the master stored in the transmission unit 1 with the setting information in the setting device 4 and the server unit 5 in order to match the setting information in the entire communication system. There is.
  • the transmission unit 1 fixedly sets a part of the band of the transmission signal as a dedicated synchronization band, and uses the dedicated synchronization band to transmit setting information as a master to the setting device 4 and the server unit 5 using a superimposed signal.
  • the setting device 4 and the server unit 5 that have received the setting information from the transmission unit 1 compare the received setting information with the setting information in its own setting storage unit 13 and, if they do not match, the received setting information. 13 is written. Thereby, it is possible to synchronize the setting information for each frame of the transmission signal, and it is possible to always match the setting information in the entire communication system.
  • the superposition module 8 is exemplified as a configuration built in the transmission unit 1, the setting device 4, and the server unit 5, but is not limited to this configuration.
  • the superposition module 8 may be configured separately from the transmission unit 1, the setting device 4, and the server unit 5, and may be directly connected to the transmission unit 1, the setting device 4, and the server unit 5.
  • the communication system according to the present embodiment is different from the communication system according to the first embodiment in that the communication system according to the present embodiment is configured to be able to cope with a case where a plurality of setting devices 4 or server units 5 simultaneously set setting information.
  • the setting device 4 and the server unit 5 are not particularly distinguished, these are collectively referred to as “setting unit”.
  • the setting unit has the communication module 9 and can communicate using a transmission signal.
  • the superimposed signal is already dedicated to transferring setting information from the setting unit.
  • the setting information set by can not be transferred by the superimposed signal. Therefore, in this embodiment, when two setting units set the setting information at the same time, one setting unit transfers the setting information using a transmission signal, and the other setting unit uses the superimposed signal to transfer the setting information. Forward.
  • the setting unit has an arbitration function for allocating the transmission signal and the superimposed signal so that the setting information transfer method does not overlap with the other setting unit by communicating with the other setting unit.
  • the transmission unit 1 when the transmission unit 1 receives separate setting information from the two setting units using the transmission signal and the superimposed signal as described above, the transmission unit 1 does not write the setting information in the setting storage unit 13 at the same time.
  • the transmission unit 1 sets the reading destination of the setting information to the communication module 9 so that the setting information received using the transmission signal and the setting information received using the superimposed signal are alternately written in the setting storage unit 13. It switches alternately with the superposition module 8.
  • the transmission unit 1 performs exclusive control by a semaphore for each setting information registration per pattern or group (one group address or one pattern address), and the communication module 9 and the superposition module 8. And alternately.
  • one setting unit switches the setting information transfer method according to the trend of the other setting unit, thereby changing the setting information. It can be efficiently transferred to the transmission unit 1.
  • one setting unit transfers the setting information using a transmission signal, and the remaining setting units transfer the setting information using a superimposed signal. To do.
  • a plurality of setting units set the setting information using the superimposed signal, it is desirable that different superimposable bands are sequentially assigned to each of the plurality of setting units.
  • each of the two setting units using the superimposition signal is assigned a different superimposable band, and each setting unit transfers the setting information to the transmission unit 1 using the allocated superimposable band.
  • the two setting units that transfer the setting information using the superimposed signal periodically switch the band in which the superimposed signal is superimposed according to the data amount of the setting information, and transfer the setting information to the transmission unit 1.
  • the two setting units that transfer the setting information using the superimposed signal first notify the transmission unit 1 of the address (group address or pattern address) to be set.
  • the transmission unit 1 calculates the data amount of the setting information (communication data amount) based on the received address, assigns a superimposable band used for transferring the setting information to each setting unit, and notifies the setting unit.
  • the transmission unit 1 is divided into two sets of the spare interrupt band 21, the spare band 22, and the pause band 27, and the data amount of the setting information is larger. Assigns the spare interrupt band 21 and the spare band 22, and allocates the idle band 27 to the smaller one.
  • the transmission unit 1 periodically checks the remaining data amount of the setting information for the two setting units that transfer the setting information using the superimposed signal.
  • the superimposable band is assigned according to the flowchart of FIG.
  • the transmission unit 1 periodically checks the remaining data amount (S0), and obtains the difference (difference) in the remaining data amount between the two setting units. If the difference in the remaining data amount is less than 40 bits (S1: No), the transmission unit 1 assigns the reply band 24 to the larger remaining data amount, and the spare interrupt band 21 and the spare band 22 to the smaller one, or A pause band 27 is assigned (S2). If the difference in the remaining data amount is 40 bits or more (S1: Yes) and less than 140 bits (S3: No), the transmission unit 1 assigns the pause band 27 or the reply band 24 to the larger remaining data amount, and the smaller one Are assigned the spare interrupt band 21 and the spare band 22 (S4).
  • the transmission unit 1 If the difference in the remaining data amount is 140 bits or more (S3: Yes) and less than 220 bits (S5: No), the transmission unit 1 returns the spare interrupt band 21 and the spare band 22 or the reply to the larger remaining data amount. The band 24 is allocated, and the rest band 27 is allocated to the smaller one (S6). If the difference in the remaining data amount is 220 bits or more (S5: Yes), the transmission unit 1 assigns the spare interrupt band 21, the spare band 22, the reply band 24, and the pause band 27 to the larger remaining data amount, A superimposable band is not assigned to the smaller number (S7).
  • each setting unit can transfer the setting information to the transmission unit 1 in parallel. Therefore, even if setting information is set from a plurality of setting units at the same time, in the transmission unit 1, registration of the setting information is completed at the same time, so the period during which the setting information does not match in the entire communication system is shortened. Can do.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Selective Calling Equipment (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Communication Control (AREA)

Abstract

L'unité d'émission et les appareils de configuration de l'invention comprennent des modules de superposition respectifs qui utilisent un signal superposé, qui est superposé à un signal émis, qui leur permettent de communiquer les uns avec les autres. Les modules de superposition utilisent le signal superposé pour transférer, entre les appareils de configuration et l'unité d'émission, des informations de configuration à utiliser pour la commande de groupes et la commande de motifs. Les modules de superposition utilisent également, pour la superposition du signal superposé, en tant que bande conditionnellement superposable, une bande de réponse qui vient s'ajouter à trois bandes, à savoir une bande d'interruption auxiliaire, une bande auxiliaire et une bande inactive du signal émis. Pour cela, les modules de superposition utilisent une unité de détermination pour déterminer, pour chaque trame d'une pluralité de trames du signal émis, s'il existe des signaux de réponse pendant une période de temps de détection prédéterminée après l'instant de début de la bande de réponse. Les modules de superposition utilisent alors, en tant que bande superposable, une bande de réponse pour laquelle il a été déterminé qu'il n'existe pas de signaux de réponse.
PCT/JP2012/062593 2011-05-20 2012-05-17 Système de communication et modules de superposition WO2012161066A1 (fr)

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KR20130111620A (ko) 2013-10-10

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