CN108206822A - Communication system - Google Patents

Abstract

A kind of communication system has communication control unit, multiple communication terminal units and multiple communication units.Communication control unit and communication terminal unit are according to the first protocol communication.Communication unit is communicated according to second protocol.Some communication units have data-analyzing machine and data transmitter.Data-analyzing machine judges that the second monitoring information indicates whether stable state.If the second monitoring information represents unstable state, data-analyzing machine will be transferred at least one associated second communication terminal unit by communication control unit according to the first agreement corresponding to the control information of the second monitoring information.Therefore, control is connected to the load of the second communication terminal unit.

Description

Communication system

Technical field

The present invention relates generally to communication system, and more specifically it relates to such a communication system, the communication system include： The communication control unit of communication line is connected to, be connected to communication line and is configured as according to the first agreement and communication control list The multiple communication terminal units and be connected to communication line and be configured as communicating according to second protocol logical that member communicates Believe unit.

Background technology

For example, Japan Patent No.1180690 (Japan patent applicant announce No.52-072436) discloses a kind of communication system (time division multiple acess Transmission system).In such a system, communication control unit (main website) and multiple communication terminal units (secondary) connection It communicates to communication line, and between communication control unit and each communication terminal unit.Communication control unit by with The each state for regularly monitoring communication terminal unit is set to, if the state of a communication terminal unit changes (for example, logical The switch that letter terminal unit includes is opened or closed), then it provides to carry out corresponding to shape to other communication terminal units The signal for the processing that state changes.In the communication system, always communicate via communication control unit (A1), communication terminal list First (B1) has no chance mutual direct communication.

Therefore, communication terminal unit (B1) is always communicated via communication control unit A1, correspondingly, the communication of communication system Speed is very low, and cannot carry out the transmission for the information (such as measured value of electric energy) for including larger data amount.Whole system is also It may stop due to failure of communication control unit (A1) etc., reliability is caused to reduce.

Japan Patent No.3498646 (Japan patent applicant announce No.2001-095232A) discloses a kind of communication system.Such as This system is configured such that the communication unit (B2) for being connected to communication line (W) passes through point-to-point (hereinafter also referred to " P2P ") Mutual direct communication.In this configuration, communication speed is improved, and can correspondingly transmit the information for including larger data amount. A2 is power supply unit, and electric power is provided to each communication unit (B2) via communication line (W).

In such systems, the former is more extensive compared to the latter's application, however the latter leads in communication speed and reliability The former.Therefore, Japan patent applicant announce No.8-274724 discloses a kind of communication system including two systems.It is each logical Letter terminal unit (B1) is responsive to the first monitoring information (such as switch on or off) generation control information, with via communication control list First (A1) will control information to be transferred to one of communication terminal unit (B1), so as to control one of communication terminal unit (B1) load.Each communication unit (B2) receives the second monitoring information (measured value of such as power consumption), then passes through P2P Second monitoring information is transmitted directly to other communication units (B2).Therefore, in a communications system, communication terminal unit (B1) and Communication terminal unit (B2) independent operation, communication terminal unit (B1) control for loading, and communication unit (B2) is for measuring Etc..

In communication system, when the measured value of the second monitoring information, such as the power consumption of load excessively increases, it is desirable to province Power consumption that is electric and reducing load.However, in this communication system, communication terminal unit (B1) and communication unit (B2) connection It to same communication line (W) but cannot communicate, cannot correspondingly be based on the second monitoring information control communication terminal unit (B1) each load.

Invention content

It is an object of the invention to be controlled based on the second monitoring information obtained by communication unit mounted on communication terminal unit In load.

The communication system of claim 1 include be connected to communication line (communication control unit) multiple communication terminal units and Multiple communication units.Communication terminal unit is configured as communicating (with communication control unit) according to the first agreement.Communication unit quilt It is configured to communicate according to second protocol.Communication terminal unit includes advance associated at least one first communication terminal list First and at least one second communication terminal unit.First communication terminal unit (passing through communication control unit) will correspond to the first prison The control information of visual information is transferred at least one associated second communication terminal unit, and the second communication is connected to so as to control The load of terminal unit.Communication unit includes advance associated at least one first communication unit and at least one second communication Unit.If obtaining the second monitoring information, the second monitoring information is transferred to associated second communication unit by the first communication unit Member.Particular communication unit in multiple communication units includes data-analyzing machine and data transmitter.Data-analyzing machine is configured to Judge that the obtain second monitoring information indicates whether stable state.Data transmitter is configured as, if the second monitoring information table Show unstable state, then will be passed according to the first agreement (passing through communication control unit) corresponding to the control information of the second monitoring information It is defeated to arrive at least one associated second communication terminal unit, so as to control the load for being connected to the second communication terminal unit. In this configuration (hereinafter referred to as " the first configuration "), if the second monitoring information represents unstable state, believe in response to the second monitoring Breath generates control signal, and transmits control signals to associated second according to the first agreement (passing through communication control unit) and lead to Believe terminal unit.Therefore, the load for being connected to the second communication terminal unit can be controlled.I.e. it is capable to based on control is passed through The second monitoring information that unit obtains is connected to the load of communication terminal unit to control.

In embodiment, first communication unit is the particular communication unit, and with being configured to generate second prison The monitored equipment connection of visual information.The data-analyzing machine of first communication unit is configured as by periodically with connecting Monitored equipment to the first communication unit communicates, periodically to obtain the second monitoring information.Second communication unit Member is connected with being configured as obtaining the supervision equipment of the second information from least one associated first communication unit.It is configured herein In (hereinafter referred to as " the second configuration "), data-analyzing machine can periodically obtain the second monitoring information.Correspondingly, when the second monitoring When information represents unstable state, control information can be quickly transmitted to associated second communication terminal unit.

In the first configuration, it is preferable that first communication unit is the particular communication unit, and with being configured to generate institute State the monitored equipment connection of the second monitoring information.Preferably, second communication unit is with being configured as from least one phase Associated first communication unit obtains the supervision equipment connection of the second information.Preferably, the data of first communication unit point Parser is configured as, when the prison of the monitored equipment for being connected to the first communication unit the second communication unit associated with being connected to When communicating depending on equipment, the second monitoring information transmitted from monitored equipment to supervision equipment is obtained.

It is configured in (hereinafter referred to as " third configuration ") herein, when supervision equipment communicates with monitored equipment, data-analyzing machine obtains Obtain the second monitoring information transmitted from monitored equipment to supervision equipment.Correspondingly, data-analyzing machine can obtain the second monitoring letter Breath is without increasing communication flows.

In the third configuration, it is preferable that the supervision equipment for being connected to second communication unit is configured as, and passes through the second communication Unit carries out the periodical poll at least one associated first communication unit according to second protocol, and in response to passing through The periodical poll of two communication units and periodically obtain from the first communication unit return second monitoring information.Preferably, First communication unit further includes polling cycle fetching portion, is configured as obtaining the period of periodical poll.Preferably, institute The data transmitter for stating the first communication unit is configured as, if obtaining unstable shape from the data-analyzing machine of the first communication unit The judging result of state then other than the cycle time of periodical poll, is passed the control information by communication control unit It is defeated to arrive at least one associated second communication terminal unit.

In this configuration, since data transmitter is in addition to the second communication terminal of extroversion transmission control letter of the time of periodical poll Breath, therefore the conflict between the data of the first agreement transmission and the data transmitted by second protocol can be avoided passing through.

In the third configuration, it is preferable that the polling cycle fetching portion of first communication unit is configured as, in response to coming from The poll of second communication unit, obtaining the first communication unit will be required for the second monitoring information back to second communication unit Time of return.Preferably, the data transmitter of first communication unit is configured as, in addition to periodical poll period when Between and time of return except, by it is described control information be transferred at least one associated second communication terminal.

In this configuration, other than time of return, from the monitored equipment transmission control information about poll.Correspondingly, i.e., Make polling cycle very short, and time of return is larger to the ratio of a cycle, be also avoided that the number transmitted by the first agreement According to and by second protocol transmission data between conflict.

It is configured in third configuration first, it is preferable that the data transmitter includes the first protocol signal transmitter, the second association Discuss sender unit and switch sections.Preferably, the first protocol signal transmitter is configured as transmitting data according to the first agreement, Second protocol sender unit is configured as transmitting data according to second protocol.Preferably, switch sections are configured as selectivity The first protocol signal transmitter or second protocol sender unit are connected to communication line by ground.

In this configuration, compared with the first protocol signal transmitter and second protocol sender unit are all connected to communication line, From the point of view of communication line angle, the impedance of communication unit can be enhanced.

In first to third is configured, it is preferable that first communication unit further includes storage device, and storage corresponds to the second prison The control information of visual information.Preferably, the data-analyzing machine of first communication unit and the first communication unit side is monitored Equipment connects.Preferably, the data-analyzing machine of first communication unit is configured as, and is read to correspond to from storage device and From the control information of the second monitoring information of monitored equipment, information will be controlled to be transferred at least one associated second and led to Believe terminal unit.

In this configuration, the first communication unit can will be transferred to corresponding to the control information of the second monitoring information from monitored equipment At least one associated second communication terminal unit, and can be negative to control by corresponding to the control information of the second monitoring information It carries.

In first to third is configured, it is preferable that the particular communication unit further includes threshold setting portion, is configured to set Index (criterion) threshold value, the data-analyzing machine indicate whether to stablize by the second monitoring information described in the threshold decision State.

In this configuration, for judge second monitoring information indicate whether that the metrics-thresholds of stable state can be by threshold value setting unit Set up separately and put.Correspondingly, the standard for judging whether to transmit control information to communication terminal unit can be changed.

In this configuration, the second communication unit only being connect with the supervision equipment can be provided with the data-analyzing machine.

In this embodiment, compared with the construction that each communication unit is both provided with the data-analyzing machine, communication system can be reduced The installation cost of system.

Specific embodiment

First embodiment

The communication system of first embodiment of the invention.Communication system includes being connected to the communication control unit of communication line (W) (A1), multiple communication terminal units (B1) and multiple communication units (B2).In embodiment, communication control unit (A1) is main It stands.Each communication terminal unit (B1) is secondary, is configured as communicating with communication control unit A1.Each communication unit (B2) It is point-to-point equipment, is configured as mutual direct communication.It can make the communication terminal unit and communication unit one in the present invention Change or communication terminal unit, communication unit and the load integration in the present invention can be made.

Communication terminal unit (B1) is in parallel with communication control unit (A1) by dual-wire communications circuit (W).Each communication is eventually End unit (B1) is associated with one or more of the other communication terminal unit (B1) in advance by communication control unit (A1).Communication Control unit (A1) and communication terminal unit (B1) form time division multiple acess Transmission system (hereinafter referred to as " fundamental system "), are at this In system, by the time-division pass from unit (A1) to the data transmission of unit (B1) and from unit (B1) to the data of unit (A1) It is defeated.

In the fundamental system, each communication terminal unit (B1) is classified into arbitrary the first and second different communication terminals Unit.First communication terminal unit is, for example, the monitoring terminal for including input equipment (B110) (such as switch, sensor etc.) (B11).Second communication terminal unit is for example attached to the control terminal (B12) of load (B120).Therefore, it is possible in response to coming First monitoring information of the self-contained input equipment (B110) in monitoring terminal (B11) is connected to control terminal to control (B12) load (B120).However, be configured as in the present invention can be according to the communication terminal unit of the first protocol communication but The communication terminal unit being not limited in poll/selection communication system, for example, it is also possible to be configured as according to P2P protocol communications Point-to-point equipment.

Each communication terminal unit (B1) is provided with address (identifier).Each monitoring terminal (B11) is configured as through it certainly Oneself input equipment (B110) receives the first monitoring information, then will be transferred to corresponding to the control information of the first monitoring information logical Believe control unit (A1).Communication control unit (A1) is configured as receiving control information, then information will be controlled to pass by address It is defeated to arrive control terminal (B12) associated with monitoring terminal (B11).Each control terminal (B12) is both configured to receive control Information, then according to the load (B120) of control information control their own.Communication control unit (A1) is between each monitoring terminal (B11) between each control terminal (B12).Since the control message reflection first for being used to control load (B12) monitors information, So by the communication line control information, so as to monitor message reflection in load controls by first.

Illustrate the operation of fundamental system below.Communication control unit (A1) is configured as through the carrier wave to being formed by pulse train Pulsewidth modulation is carried out to transmit data, and transmission signal is sent to communication line (W).It is bipolar (+/- 24V) time-division to transmit signal Multiplexed signals.Transmission signal is sensed by the interruption pulse phase (A) of interrupt signal, according to the interruption pulse phase that will be described (E) and shunting (shunt) detects preparatory stage (B), the letter for transferring data to communication terminal unit (B1) that the phase (F) is set Number transmission phase (C), for return signal is received from communication terminal unit (B1) time slot, that is, signal return period (D), for detecting The interruption pulse phase (E) of interrupt signal detects phase (F), Yi Jiwei for detecting the shunting of cycle (c irculatory) shunting Preparation domain (domain) phase (G) composition used when being handled in time.

When each control terminal (B12) address of oneself and in the signal transmission of transmission signal received by communication line (W) When the address date included in phase (C) is consistent, from transmission signal obtain for control their own load (B120) control Information, and pass through current mode signal (signal for sending communication line (W) short circuit by suitable Low ESR) and transmission The signal return period (D) of signal synchronously returns to control information.By being carried out to the transmission signal transmitted by communication line (W) Rectification and voltage stabilizing are obtained for the electric power of internal circuit in each communication terminal unit (B1).

Communication control unit (A1) carries out poll (always-pol l ing) at any time, is included with changing at any time in one cycle Address date in the transmission signal, the then each communication terminal unit of sequential access (B1).In poll at any time, if control Information is included in transmission signal, then the address communication terminal unit (B1) consistent with the address date included in transmission signal obtains Information must be controlled, is then operated.Then, mode of operation is returned to communication control unit by communication terminal unit (B1) (A1)。

When receiving the interrupt signal according to the first monitoring information generation from arbitrary monitoring terminal (B11), communication control unit (A1) monitoring terminal (B11) of generation interrupt signal is searched.Then, unit (A1) accesses monitoring terminal (B11), carries out interruption wheel It askes so that it also returns to the control information consistent with the first monitoring information.

That is, communication control unit (A1) carries out poll at any time, to be sent at any time to communication line (W) by periodically The transmission signal for changing location data and obtaining.It is synchronously examined when with the interruption pulse phase (A) or interruption pulse phase (E) for transmitting signal When surveying the interrupt signal from monitoring terminal (B11), unit (A1) sending mode data are set as interrupting the transmission of poll pattern Signal.If it generates in transmission signal of the high position of monitoring terminal (B11) oneself address of interrupt signal with interrupting poll pattern A high position for address date is consistent, then monitoring terminal (B11) is with transmitting the signal return period (D) of signal with synchronously returning to their own The low level of location is as returned data.Therefore, communication control unit (A1) can obtain the monitoring terminal (B11) of generation interrupt signal Address.

If communication control unit (A1) obtains the address of the monitoring terminal (B11) of generation interrupt signal, unit (A1) is just to prison The transmission signal for asking to return control information is sent depending on terminal (B11).Monitoring terminal (B11) is to communication control unit (A1) Return to the control information for corresponding to the first monitoring information.Communication control unit (A1) receives control information, then to monitoring terminal (B11) instruction is provided to remove the first monitoring information.Monitoring terminal (B11) returns to the removal of monitoring information.

The control information of control terminal (B12) will be transferred to by receiving communication control unit (A1) generation of control information, wherein The control terminal (B12) is associated with monitoring terminal (B11) by address correspondence, wherein the monitoring terminal (B11) It is the source for controlling information.Then, communication control unit (A1) includes controlling the transmission of information to believe to communication line (W) transmission Number, the load (B120) of control terminal (B12) is connected to control.

Therefore, in fundamental system, communication terminal unit (B1) is logical according to poll/selection agreement (hereinafter referred to as " the first agreement ") Communication control unit (A1) is crossed to communicate.

In embodiment, communication unit (B2) is mutually in parallel by communication line (W), so as to shared fundamental system and communication line (W).Each communication unit (B2) is associated with one or more of the other communication unit (B2) in advance.That is, each communication Unit (B2) includes storage device, which prestores the address of one or more of the other communication unit (B2).Each Communication unit (B2) is also classified into arbitrary the first and second different communication units.First communication unit (B21) is obtained with being used for Obtain monitored equipment (1) connection for the second information transmitted between communication unit (B2).Second communication unit (B22) is with being used for Supervision equipment (2) connection of the second monitoring information is obtained from the first communication unit (B21).That is, each communication unit (B2) it is communicated (data transmission) by communication line (W), but monitored equipment (1) generates and transmit its data (second Monitor information), and supervision equipment (2) receives and handles these data.Correspondingly, it is added to each communication unit of fundamental system (B2) as adapter, and pass through data of the conversion from monitored equipment (1) or supervision equipment (2) and communicate, to send To communication line (W).

System including communication unit (B2) is configured such that each communication unit (B2) according to the P2P different from the first agreement Agreement (hereinafter referred to as " second protocol ") not by communication control unit (A1) control in the case of transmit data (such as second prison Visual information).Specifically, each communication unit (B2) includes second protocol sender unit (3) and second protocol signal receiver (4).Second protocol sender unit (3) is configured as according to second protocol, superposition (superimpose) packet on transmission signal The packet of the data to be transmitted to other communication units (B2) is included, to send transmission signal to communication line (W).Second protocol is believed Number receiver (4) is configured as the packet transmitted from other communication units (B2) reception according to second protocol.That is, based on the The communication of one agreement is carried out via communication control unit (A1) between communication terminal unit (B1), but logical based on second protocol Letter directly carries out between communication unit (B2) and does not depend on communication control unit (A1).Correspondingly, each communication unit (B2) Not with each communication terminal unit (B1) direct communication.

Each communication unit (B2) further includes：First protocol signal receiver (5), the first protocol signal transmitter (6), data point Parser (7) and transmission control unit (TCU) (8).First protocol signal receiver (5) is configured as receiving according to the first agreement in fundamental system The transmission signal transmitted between communication control unit (A1) and each communication terminal unit (B1) in system.First protocol signal is sent out Device (6) is sent to be configured as transmitting data to communication control unit (A1) according to the first agreement.Data-analyzing machine (7) is configured as point The the second monitoring information obtained from monitored equipment (1) is analysed, to judge that the second monitoring information indicates whether stable state.Transmission control Device (8) processed is configured as from the first protocol signal transmitter (6) or second protocol believing based on the judging result of data-analyzing machine (7) Number transmitter (3) transmission data.

Transmission control unit (TCU) (8), the first protocol signal transmitter (6) and second protocol sender unit (3) form data transmitter. If the second monitoring information represents stable state, data transmitter monitors information from second protocol according to second protocol by second Sender unit (3) is transferred to other communication units (B1).If the second monitoring information represents unstable state, data are sent Device will be transferred to communication corresponding to the control information of the second monitoring information according to the first agreement from the first protocol signal transmitter (6) Control unit (A1).Second protocol sender unit (3) changes transmission data (such as the second monitoring information) according to second protocol Waveform or frequency, but maintain and transmit the content of the second monitoring information obtained from monitored equipment (1).First protocol signal is sent out Device (6) is sent to generate control information, and control information is transferred to based on the second monitoring information obtained from monitored equipment (1) Communication control unit (A1).Communication control unit (A1) will control information to be transferred in advance associated with data transmitter second Communication terminal unit.Therefore, it is possible to control the load for being connected to the second communication terminal unit.

In embodiment, transmission control unit (TCU) (8) is according to the first agreement, according to what is received by the first protocol signal receiver (5) Signal analysis data transmission state (hereinafter referred to as " state ") is transmitted, and judges whether the state is suitable for the packet according to second protocol Transmission.Transmission control unit (TCU) (8) also is being judged as transmitting packet from second protocol sender unit (3) suitable for the time transmitted.

Fundamental system and each first protocol signal transmitter (6) are transmitted by being formed to pulse train using the first agreement The transmission signal that carrier wave carries out pulsewidth modulation and obtains.Packet according to second protocol is superimposed upon the transmission signal according to the first agreement On.In this example, preferably packet is superimposed upon on transmission signal in high level or low level period in steady signal transmission.

It transmits in signal format, preparatory stage (B), shunting detection phase (F) and preparation domain phase (G) are steady signal transmissions in height It is considered as to be correspondingly suitable for transmitting the period wrapped (hereinafter referred to as " suitably during these during level or low level are relatively long Communication period ").Other periods include steady signal transmission in high level or the low level relatively short time, and to according to first Signal transmission (interrupt signal or the return that agreement carries out between communication control unit (A1) and each communication terminal unit (B1) Data) it is more sensitive, it is considered as the period (hereinafter referred to as " inappropriate communication period ") for being unsuitable for transmission packet during these.This Outside, the rise time and fall time transmitted in signal are more sensitive to the harmonic noise of superposition, correspondingly, can be counted as Inappropriate communication period.

In embodiment, transmission control unit (TCU) (8) is configured as the transmission letter that analysis is received by the first protocol signal receiver (5) Number state (interruption pulse phase, preparatory stage, signal transmission phase, signal return period, interruption pulse phase, shunting detection phase and preparation The domain phase).It is appropriate communication period that controller (8), which is configured as judging current period based on analysis result (state of transmission signal), Or inappropriate communication period.Controller (8) is configured as, as long as being judged as appropriate communication period, as according to second protocol from Second protocol sender unit (3) transmission packet.Therefore, it is possible to what is avoided using common communication circuit (W) based on the first agreement Conflict between communication and the communication based on second protocol.However, it can not consider the time of the communication based on the first agreement (timing) communication based on second protocol is carried out, unless being clashed between the first agreement and second protocol.

In embodiment, the power supply for the different piece of each communication unit (B2) is arranged to as each in fundamental system Communication terminal unit (B1) like that, passes through the transmission signal progress to being transmitted from communication control unit A1 by transmission line (W) Rectification and voltage stabilizing are come the system (central power supply system) powered.It is configured as however, power supply can also be by being carried out to alternating current Rectification and voltage stabilizing are come the system (power supplied locally system) powered.

Each communication unit (B2) is activated (S1), then according to the first agreement from the communication control unit (A1) of their own Transmission signal (S2) is received, and electric power is generated by carrying out rectification and voltage stabilizing to transmission signal.In embodiment, suitably logical During letter data are transmitted according to second protocol.Correspondingly, each transmission control unit (TCU) (8) receives to judge appropriate communication period Transmit signal.

First communication unit (B21) periodically communicates with monitored equipment (1), then periodically from monitored equipment (1) the second monitoring information (S3) of extraction.Then, the first communication unit (B21) judges that the second monitoring information indicates whether to stablize shape State (S4).

If the second monitoring information represents stable state, the first communication unit (B21) includes the according to second protocol generation The packet (S5) of two monitoring information.Transmission control unit (TCU) (8) the analysis transmission signal of first communication unit (B21) is simultaneously based on analysis result It is appropriate communication period or inappropriate communication period (S6) to judge current period.If inappropriate communication period, then transmit Controller (8) is waited for until current period becomes appropriate communication period (S7).If appropriate communication period, transmission control Device (8) is controlled, so as to detect the carrier wave for being transmitted according to the packet of second protocol by second protocol signal receiver (4) (hereinafter referred to as " the second carrier wave ") (S8).If detecting the second carrier wave by second protocol signal receiver (4), control is transmitted Device (8) processed waits for the predetermined time (S9), and transmits packets to communication by second protocol sender unit (3) according to second protocol Circuit (W) (S10).The harmonic noise possibility that (raising and lowering of transmission signal) is superimposed immediately after transmission signal condition changes Property is very big.Correspondingly, even if the second carrier wave is not detected, packet is transmitted after the enough time that can also decay in harmonic noise.

If transmitting data has very big data quantity, it may not be possible to transfer transmission number in an appropriate communication period According to.Correspondingly, transmission control unit (TCU) (8) judges whether to retain the data (S11) do not transmitted.It is no except the non-reserved data do not transmitted It then completes to transmit (S12) and return to step S2 according to the packet of second protocol.It, will be next suitable if retaining the data do not transmitted When the data that reservation is transmitted in communication period.If in next appropriate communication period, according to second protocol from other communications Unit (B2) wraps to transmit, it is likely that communication mistake occurs due to the conflict of two packets.

Therefore, if the data that reservation is not transmitted, in aforementioned next appropriate communication period, transmission control unit (TCU) (8) the second carrier wave (S13) is sent to communication line (W) by second protocol sender unit (3) first.Then, transmission control Device (8) includes the packet of data not transmitted by second protocol sender unit (3) to communication line (W) transmission.Therefore, if By the second carrier-wave transmission to communication line (W) before the data do not transmitted are transmitted, then it will start the other logical of packet transmission Letter unit (B2) detects the second carrier wave and then stops transmission packet.Correspondingly, it can be transmitted in the case of the destruction not conflicted Packet.

In step S4, if it is determined that the second monitoring information represents the transmission of unstable state, then the first communication unit (B21) Controller (8) is generated in response to the aforementioned second monitoring information will be by data that the first agreement transmit (controlling information) (S14). Then, transmission control unit (TCU) (8) will control information to be transferred to communication control unit (A1) by the first protocol signal transmitter (6) (S15).At this point, the first communication unit (21) generates interrupt signal as each monitoring terminal (B11) in fundamental system.So Afterwards, the first communication unit (21) by the transmission that the first protocol signal receiver (5) is received from communication control unit (A1) with being believed Signal return period (D) in number synchronously returns to control information by the signal of current-mode.If it completes according to the first association The transmission (S16) of the control information of view, return to step S2.

If control letter is received from communication unit (being the first communication unit (B21) in embodiment) according to the first agreement It ceases, then communication control unit (A1) is connected to control terminal associated with communication unit according to the content of control information to control (B12) load.That is, in communication control unit (A1), it is connected to the first communication unit of monitored equipment (1) (B21) it is associated with the address (identifier) of communication terminal unit (being control terminal (B12) in embodiment) in advance.Accordingly Ground, communication control unit (A1) receive control information from communication unit (the first communication unit (B21)), then pass control information It is defeated to arrive communication terminal unit associated with communication unit (control terminal (B12)).

In short, if the second monitoring information obtained from monitored equipment (1) represents unstable state, the first communication Unit (B21) will be transferred to according to the first agreement by communication control unit (A1) corresponding to the control information of the second monitoring information Associated control terminal (B12).Therefore, it is possible to control the load (B120) for being connected to control terminal (B12).If as a result, The the second monitoring information transmitted and received between communication unit (B2) represents unstable state, and cooperating therewith just can control connection To the load (B120) of control terminal (B12).

Illustrate the specific example of communication system in embodiment below.The input equipment (B110) of each monitoring terminal (B11) It is the switch for generating the first monitoring information (on or off activation signal).It is connected to the load of each control terminal (B12) (B120) it is lighting apparatus.Correspondingly, fundamental system be configured to respond to switch on or off and make lighting apparatus be powered or Power-off.The monitored equipment (1) for being connected to each first communication unit (B21) is electric power measuring device, for leading to first Believe the power consumption that lighting apparatus is measured in unit (B21) oneself associated control terminal (B12).It is connected to each second communication unit The supervision equipment (2) of first (B22) is check gauge, for show by electric power measuring device with the second communication unit (B22) The power consumption measured in oneself associated at least one first communication unit (B21).

When lighting apparatus is normally lighted, each power consumption measured using electric power measuring device is in normal range (NR).Phase Ying Di, each second monitoring information (measured value of power consumption) obtained in the first communication unit (B21) are judged as being stabilization State.That is, each first communication unit (B21) is previously provided with the threshold value of the upper limit as power consumption normal range (NR), and And the threshold value is the data-analyzing machine (7) of their own for judging that the second monitoring information indicates whether the standard of stable state. That is if second monitors information (namely power consumption) equal to or less than the threshold value, data-analyzing machine (7) judges the second prison Visual information represents stable state.

If lighting apparatus failure or it is other due to so that the power consumption measured by electric power measuring device is more than threshold value, The data-analyzing machine (7) for being then connected to the first communication unit (B21) of electric power measuring device judges that the second monitoring information represents not Stable state.Incidentally, in the prior art, it if the second monitoring information of communication unit (B2) represents unstable state, uses Family needs to check the display of check gauge, and lighting apparatus is closed to identify failure and pass through switch.As a result, unstable state may Last very long.In embodiment, if from the second monitoring infomation detection to unstable state, each first communication unit (B21) control information is transmitted to control terminal (12) associated with their own by communication control unit (A1).So as to close Close the lighting apparatus for being connected to control terminal (12).Correspondingly, unstable state last very long can be prevented, and can be rapid The power supply of lighting-off equipment.

In embodiment, when the second monitoring information (measured value of such as power consumption) represents excessively raising, each first communication Unit (B21) will control information to be transferred to control terminal (B12) associated with their own by communication control unit (A1), In the control information be used to carry out dimmed power consumption of the control to reduce lighting apparatus for power saving.

In embodiment, communication unit (such as the first communication unit (B21)) further includes threshold setting portion (81), is configured Carry out setting target threshold value, data-analyzing machine (7) judges that the second monitoring information indicates whether stable state by the threshold value.Herein In embodiment, threshold value can be set as arbitrary value.

In embodiment, the data-analyzing machine (7) of communication unit (such as the second communication unit (B22)) obtains supervision equipment (2) the second monitoring information (such as mode of operation of supervision equipment (2)) generated in, and when the second monitoring information represents unstable During state, control information is transferred at least one communication terminal unit associated with their own (such as control terminal (B12)). For example, it can notify failure obtained from supervision equipment (2) etc. by being connected to the load (B120) of control terminal (B12).

In embodiment, the first communication unit (B21) for being connected to each monitored equipment (1) further includes storage device (82), it is configured to store the control information corresponding to the second monitoring information from monitored equipment (1) oneself.First communication The transmission control unit (TCU) (8) of unit (B21) is configured as, and is read and is corresponded to from monitored equipment (1) from storage device (82) The control information of second monitoring information, will control information to be transferred at least one associated control terminal (B12).Therefore, The load (B120) for being connected to control terminal (12) can be controlled by corresponding to the control information of the second monitoring information.For example, When it is lighting apparatus to load (B120), if power consumption is more than threshold value, may be in response to power consumption makes lighting apparatus closing or dimmed. On the other hand, communication control unit (A1) is configured to control information being transferred at least one associated control terminal (B12).In this embodiment, if the second monitoring information from monitored equipment (1) represents unstable state, the first communication Unit (B21) will be transferred to control terminal (B12) corresponding to the control information of unstable state.It therefore, can be by corresponding to The control information of two monitoring information is connected to the load (B120) of control terminal (B12) to control.

Second embodiment

The major part of the communication system of invention second embodiment, communication system are characterized in that：Second communication unit (B22) each supervision equipment (2) periodically obtains the second monitoring information by periodical poll；First communication unit (B21) each data transmitter transmits control information other than poll time.

Illustrate periodical poll first.In the second communication unit (B22), supervision equipment (2) passes through according to second protocol Second communication unit (B22) carries out one (or multiple) associated first communication unit (B21) on periodically (sequence) wheel It askes.It periodically (sequentially) is obtained by the second communication unit (B22) moreover, supervision equipment (2) is additionally in response to periodical poll Obtain the second monitoring information returned from (or multiple) first communication unit (B21).In the first communication unit (B21), number According to transmitter response in the periodical poll from the second communication unit (B22), from the quilt for being connected to the first communication unit (B21) Supervision equipment (1) obtains the second monitoring information, and the second monitoring property information cycle then is returned the second communication unit (B22).

In this example, (each) data-analyzing machine (7) of (or multiple) first communication unit (B21) is configured In response to coming from the periodical poll of the second communication unit (B22), to pass through monitored the setting from the first communication unit (B21) Standby (1) extraction obtains the second monitoring information back to the second monitoring information of the second communication unit (B22).That is, first Communication unit (B21) receives transmission signal according to the first agreement, is received until from the second communication unit (B22) according to the second association Until the packet of view (S2 and S17).Upon receiving a packet, the first communication unit (B21) judges that packet is the wheel from supervision equipment (2) It askes, then obtains the second monitoring information (S3) from monitored equipment (1).Subsequent operation is in the same manner as in the first embodiment It carries out.

Illustrate the transmission of the control information from the first communication unit to control terminal below.First communication unit (B21) is also Including polling cycle fetching portion (9), it is configured as through second protocol signal receiver (4) from the second communication unit (B22) polling cycle is obtained.The transmission control unit (TCU) (8) of first communication unit (B21) is configured as, when data-analyzing machine (7) is sentenced When disconnected second monitoring information represents unstable state, in addition to (starting) other than the time of the polling cycle of acquisition, pass through communication control Unit (A1) processed will control information to be transferred at least one associated control terminal (B12).In a second embodiment, periodically Ground returns to the second monitoring information.Correspondingly, polling cycle fetching portion (9) is additionally configured to, in response to coming from the second communication unit The poll of first (B22) obtains or keeps the first communication unit (B21) that the second monitoring information is returned to the second communication unit in advance (B22) time (time of return).Transmission control unit (TCU) (8) is configured as, in the time including time of return (for example, from wheel The start time point for asking the period begins to pass through time point after time of return) transmit control information according to the first agreement.

Specifically, in response to coming from " request of data " of supervision equipment (2), the second communication unit (B22) is at period " Ta " Associated first communication unit (B21) is polled.In response to this poll, the first communication unit (B21) is set from monitored Standby (1) obtains the second monitoring information, and the time point after the time " Tb " is begun to pass through from the start time point in period " Ta " Second monitoring information is returned to the second communication unit (B22) by place.This time " Tb " is corresponding to aforementioned time of return.First communication The polling cycle fetching portion (9) of unit (B21) can obtain time of return.If the data analysis of the first communication unit (B21) Device (7) subsequently determines whether out that the second monitoring information represents the transmission control unit (TCU) (8) of unstable state, then the first communication unit (B21) Information will be controlled to be transferred to communication control unit (A1) according to the first agreement in the time including time of return " Tb ".From the period The start time point of " Ta " begins to pass through the time point after the time " T " to transmit control information, and wherein the time, " T " compared the time " Tb " is long, and shorter than the period " Ta ".Therefore, be avoided that the data (control information) transmitted according to the first agreement with according to second The data (the second monitoring information) of agreement transmission clash.Correspondingly, the generation of communication mistake can be reduced.Even if polling cycle Very short and time of return " Tb " is larger to the ratio of polling cycle " Ta ", be also avoided that control information and second monitoring information it Between conflict.

In embodiment, the second communication unit (B22) of only supervision equipment (2) connection is equipped with data-analyzing machine (7).Data-analyzing machine (7) is configured to the second prison for judging to return in response to coming from the poll of the first communication unit (B21) Visual information indicates whether stable state.If the second monitoring information represents stable state, the data hair of the second communication unit (B22) Send device that will be transferred to and the corresponding to the control information of the second monitoring information by communication control unit (A1) according to the first agreement One communication unit (B21) associated control terminal (B12).In this embodiment, since each first communication unit (B21) does not have There is data-analyzing machine (7), therefore the cost of communication system can be reduced.

The difference lies in each communication unit (B2) further includes for the 3rd embodiment communication system and first embodiment Switch sections 10 and the transmission control unit (TCU) of their own (8), the transmission control unit (TCU) (8) control switch sections 10.

That is, each switch sections 10 are configured as the first association of the communication unit of their own (B2) selectively View sender unit (6) or second protocol sender unit (3) are connected to communication line (W).Switch sections 10 are by two switches Composition.The data transmitter (transmission control unit (TCU) (8)) of communication unit (B2) is configured as, and is carried out when according to first or second agreement During communication, first or second protocol signal transmitter (6) or (3) are respectively selectively connected to communication by switch sections 10 Circuit (W).

In the first communication unit (B21), if it is determined that the second monitoring information represents stable state (S4), then the first communication The transmission control unit (TCU) (8) of unit (B21) includes the packet (S5) of the second monitoring information according to second protocol generation.Transmission control unit (TCU) (8) subsequently determine whether second protocol sender unit (3) is connected to communication line (W) (S18).If second protocol signal is sent out Device (3) is sent to be connected to communication line (W), then continues step S6.Otherwise, transmission control unit (TCU) (8) by switch sections 10 by second Protocol signal transmitter (3) is connected to communication line (W), and continues step S6.Subsequent operation is to be identical with the first embodiment Mode carry out.

In aforementioned first communication unit (B21), if it is determined that the second monitoring information represents unstable state (S4), then the The transmission control unit (TCU) (8) of one communication unit (B21) generates data (control information) according to the first agreement.Transmission control unit (TCU) (8) with After judge whether the first protocol signal transmitter (6) is connected to communication line (W) (S20).If the first protocol signal transmitter (6) communication line (W) is connected to, then continues step S15.Otherwise, transmission control unit (TCU) (8) by switch sections 10 by the first agreement Sender unit (6) is connected to communication line (W), and continues step S15.Side of the subsequent operation to be identical with the first embodiment Formula carries out.

In the communication according to the first agreement, if it is desired, sending voltage signal (transmission letter from communication control unit (A1) Number), and send current mode signal from arbitrary communication terminal unit (B1).In the communication according to second protocol, voltage signal It is superimposed upon on aforementioned transmission signal.Correspondingly, higher impedance is needed according to the communication of second protocol.In 3rd embodiment In, the first protocol signal transmitter (6) or second protocol sender unit (3) of each communication unit (B2) are selectively connected To communication line (W), and the first and second protocol signal transmitters are not all connected to communication line (W).Correspondingly, with first Communication line (W) is all connected to second protocol sender unit to compare, and for communication line (W) angle, can enhance communication The impedance of unit (B2).

Although describing the present invention with reference to specific preferred embodiment, in the true spirit for not departing from the present invention In the case of range (i.e. claim), those skilled in the art can carry out many modifications and variations.

Claims (9)

1. a kind of communication system, including：Multiple communication terminal units are connected to communication line, and are configured as according to the first association View communication；And multiple communication units, the communication line is connected to, and be configured as communicating according to second protocol, Described in multiple communication terminal units include advance associated at least one first communication terminal unit and at least one second Communication terminal unit, wherein by the way that the control information for corresponding to the first monitoring information is transferred at least one associated second Communication terminal unit, the first communication terminal unit control are connected to the load of second communication terminal unit, wherein institute It states multiple communication units and includes advance associated at least one first communication unit and at least one second communication unit, wherein If obtaining the second monitoring information, the described second monitoring information is transferred to associated second and led to by first communication unit Unit is believed, wherein the particular communication unit of the multiple communication unit includes：Data-analyzing machine is configured as judge to obtain the Two monitoring information indicate whether stable state；And data transmitter, it is configured as, if the second monitoring information represents not Stable state then will be transferred at least one phase according to first agreement corresponding to the control information of the described second monitoring information Associated second communication terminal unit, so as to control the load for being connected to second communication terminal unit.

2. communication system as described in claim 1, wherein first communication unit is the particular communication unit, and with quilt It is configured to generate the monitored equipment connection of the second monitoring information, wherein the data-analyzing machine quilt of first communication unit It is configured to, by periodically communicating periodically to obtain with being connected to the monitored equipment of first communication unit Second monitoring information, wherein second communication unit is obtained with being configured as from least one associated first communication unit The supervision equipment connection of second information.

3. communication system as described in claim 1, wherein first communication unit is the particular communication unit, and with quilt Be configured to generate the monitored equipment connection of the second monitoring information, wherein second communication unit and be configured as to Few associated first communication unit obtains the supervision equipment connection of the second information, wherein the number of first communication unit It is configured as according to analyzer, when the monitored equipment associated with being connected to second for being connected to first communication unit During the supervision equipment communication of communication unit, the second monitoring letter transmitted from the monitored equipment to the supervision equipment is obtained Breath.

4. communication system as claimed in claim 3, wherein the supervision equipment for being connected to second communication unit is configured as, At least one associated first communication unit is carried out periodically according to the second protocol by second communication unit Poll, and periodically obtain from first communication unit in response to the periodical poll by second communication unit The the second monitoring information returned, wherein first communication unit further includes polling cycle fetching portion, is configured as obtaining week The period of phase property poll, wherein the data transmitter of first communication unit is configured as, if from first communication unit The data-analyzing machine of member obtains the judging result of unstable state, then other than the cycle time of periodical poll, passes through institute It states communication control unit and the control information is transferred at least one associated second communication terminal unit.

5. communication system as claimed in claim 4, wherein the polling cycle fetching portion of first communication unit is configured In response to the poll from the second communication unit, to obtain first communication unit and monitoring information described in by second The required time of return of second communication unit, wherein the data-analyzing machine of first communication unit is configured as, in addition to week Except the cycle time of phase property poll and time of return, the control information is transferred at least one associated second communication Terminal unit.

6. communication system according to any one of claims 1 to 5, wherein the data transmitter includes：First association Sender unit is discussed, is configured as transmitting data according to first agreement；Second protocol sender unit, be configured as according to The second protocol transmits data；And switch sections, be configured as selectively by the first protocol signal transmitter or The second protocol sender unit is connected to the communication line.

7. the communication system as described in any claim in claim 1-3, wherein first communication unit is further included and deposited Equipment is stored up, storage corresponds to the control information of the described second monitoring information, wherein the data-analyzing machine of first communication unit Connect with the monitored equipment of described this one end of first communication unit, wherein the data transmitter of first communication unit by with It is set to, the control information for corresponding to the second monitoring information from the monitored equipment is read from the storage device, with The control information is transferred at least one associated second communication terminal unit.

8. the communication system as described in any claim in claim 1-3, wherein the particular communication unit further includes threshold It is worth setting unit, is configured as setting target threshold value, the data-analyzing machine judges second prison by the metrics-thresholds Visual information indicates whether stable state.

9. communication system as described in claim 1, wherein the second communication unit setting only being connect with the supervision equipment There is the data-analyzing machine.