CN101388567B - Electric apparatus monitoring method and system - Google Patents
Electric apparatus monitoring method and system Download PDFInfo
- Publication number
- CN101388567B CN101388567B CN200710045960XA CN200710045960A CN101388567B CN 101388567 B CN101388567 B CN 101388567B CN 200710045960X A CN200710045960X A CN 200710045960XA CN 200710045960 A CN200710045960 A CN 200710045960A CN 101388567 B CN101388567 B CN 101388567B
- Authority
- CN
- China
- Prior art keywords
- drive unit
- state
- power equipment
- main
- drive
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Small-Scale Networks (AREA)
Abstract
The invention discloses a method and a system for monitoring power equipment, wherein the method comprises utilizing two equivalent data collecting nodes, simultaneously operating a main and an auxiliary two sets of data collecting drive on the two data collecting nodes, the main drive and power equipment are communicated, transmitting one part to the auxiliary drive after receiving data, and then the main and the auxiliary two sets of drive can both get data, and transmitting data to the data collecting nodes. And meanwhile, the main drive sends timing synchronizing signals to the auxiliary drive, if the main drive goes wrong and can not normally run, the auxiliary drive automatically connects with the power equipment to readout data since synchronizing signals can not be received in long time, and then the auxiliary drive takes over the function of the main drive, thereby achieving node redundancy. A drive monitoring and power equipment communicating state which is communicated with a current power device achieves the connection between active switch and two power equipment, which realizes link redundancy.
Description
Technical field
The present invention relates to the electric apparatus monitoring technology, more particularly, relate to a kind of electric apparatus monitoring method and system of power equipment centralized monitor full redundancy.
Background technology
The IEC870-5-104 power equipment is widely used power equipment, and therefore, the electric power apparatus integrated centralized monitor of IEC870-5-104 is a technology that is widely studied.
According to IEC870-5-104 stipulations regulation, when between the station, having the more than one connection of surpassing to open, once have only a connection can be used for transfer of data.In view of this qualifications, carry out under the redundant situation power equipment server (following power equipment general reference power equipment or power equipment server) that must provide two heat to be equipped with at needs.During general power monitoring, accomplish that by monitoring initiatively switching is equipped with being connected of IEC870-5-104 power equipment server with two heat, realize link redundancy with the power equipment communications status.But for centralized monitor software, usually all adopt the client to use structure with the data acquisition node layering, obtain data by data acquisition node and devices communicating, the data transaction of distinct device is become same form, be convenient to the client and should be used for reading, the shielding client uses because the inconvenience that distinct device data format difference is brought.Shown in 1, data acquisition node (SCADA) A's one example of link redundancy technology of the prior art 102 communicates by letter with 108 with two power equipments 106 respectively with data acquisition node (SCADA) B104, carries out transfer of data with reference to the accompanying drawings.The electric power data that can both obtain power equipment on (SCADA) A102 of data acquisition node under the normal condition and data acquisition node (SCADA) B104, it all is correct that client 110 is obtained data from data acquisition node (SCADA) A102 and data acquisition node (SCADA) B104.But work as client 110 from the last reading of data of data acquisition node (SCADA) A102, and data acquisition node (SCADA) A102 and data acquisition node (SCADA) B104 and communicating by letter of main power equipment 106 occur when unusual, since data acquisition node (SCADA) A102 also can with the devices communicating of other types, therefore data acquisition node (SCADA) A102 still is in active state, and client can not switch on data acquisition node (SCADA) B104).At this moment, data acquisition node (SCADA) will cause data acquisition node (SCADA) A102 to be connected same power equipment simultaneously with data acquisition node (SCADA) B104 if A102 attempts connecting non-firm power equipment 108.And this is a regulation of violating IEC870-5-104.Regulation according to the IEC870-5-104 stipulations, have only a node machine can obtain data, may be that data acquisition node (SCADA) A102 also may be data acquisition node (SCADA) B104, will cause the data on data acquisition node (SCADA) A102 and data acquisition node (SCADA) B104 inconsistent like this, client 110 just may be obtained the correct data less than power equipment like this.
So, solve the problem that client in this case can't be obtained correct data with regard to needs.
Summary of the invention
Synchrodata and state switched and realize data acquisition node and power equipment link full redundancy between the electric apparatus monitoring method of power equipment centralized monitor full redundancy provided by the invention and system drove by data acquisition on the data acquisition node, had only the redundancy that also can realize data acquisition node under the situation of a power equipment.
The present invention utilizes the data acquisition node of two equities, moving active and standby two sets of data collections on two data acquisition nodes simultaneously drives, the main driving with power equipment communicates, transmit a driving fully of arriving after receiving data, active and standby like this two covers drive and can both obtain data and be transmitted to data acquisition node.Main simultaneously driving sends to the timing synchronizing signal to be equipped with and drives, if can't normally move unusually appears in main the driving, then be equipped with driving because can not receive synchronizing signal for a long time, be connected reading of data with power equipment automatically, be equipped with like this to drive and take over the main function that drives, thereby realize node redundancy.The driving supervision that current and power equipment are communicated by letter and power equipment communications status are accomplished initiatively to switch and being connected of two power equipments, and realize link redundancy.
According to an aspect of the present invention, provide a kind of electric apparatus monitoring system, comprising:
First data acquisition node comprises the first data acquisition node machine and an I/O drive unit, and this first data acquisition node machine is gathered the data of power equipment by an I/O drive unit;
Second data acquisition node comprises the second data acquisition node machine and the 2nd I/O drive unit, and this second data acquisition node machine is gathered the data of power equipment by the 2nd I/O drive unit;
At least one power equipment, an I/O drive unit and the 2nd I/O drive unit are provided with the address of described at least one power equipment respectively; Wherein, at any one time, a power equipment is only communicated by letter with the I/O drive unit of a data acquisition node;
Client is connected to first data acquisition node and second data acquisition node, and communicates with one of them;
Wherein, one of them is set to main drive the one I/O drive unit and the 2nd I/O drive unit, another is set to standby drive unit, main drive is attempted being connected with at least one power equipment, after successful connection, communicate by letter with power equipment and regularly send synchronizing signal to standby drive unit; Standby drive unit detects the connection status of main drive, can't connect at main drive, when perhaps the main drive fault makes standby drive unit can't receive synchronizing signal in the given time, standby drive unit is taken over main drive and is connected and notify main drive, former standby drive unit is re-set as main drive, former main drive is re-set as standby drive unit, and new main drive regularly sends synchronizing signal to new standby drive unit.
According to an embodiment, described electric apparatus monitoring system comprises two power equipments, and one of them is set to main power equipment, and another is set to non-firm power equipment; The one I/O drive unit and the 2nd I/O drive unit are provided with the address of two power equipments respectively; Main drive is attempted earlier connecting with main power equipment, if can't connect with main power equipment, then main drive is attempted connecting with non-firm power equipment; During main drive and main power equipment and non-firm power equipment were attempted connecting, standby drive unit detected the connection status of main drive; If main drive and main power equipment and non-firm power equipment all can't connect, when perhaps the main drive fault makes standby drive unit can't receive synchronizing signal in the given time, standby drive unit is taken over main drive and is connected and notify main drive, former standby drive unit is re-set as main drive, former main drive is re-set as standby drive unit, and new main drive regularly sends synchronizing signal to new standby drive unit.
According to an embodiment, the one I/O drive unit and the 2nd I/O drive unit all are state machines, have following state: Connected state, Disconn state, Connecting state, Recving state, FireForRecv state, CheckPairStatus state; Wherein, the Connected state can jump to the Disconn state, and sends synchronizing signal at the Connected state; The Disconn state can jump to the CheckPairStatus state; The Connecting state can jump to Connected state and Disconn state; The Recving state can jump to the Disconn state; The FireForRecv state can jump to the Recving state; The CheckPairStatus state can jump to Connecting state or FireForRecv state, and can be from redirect.
According to an embodiment, the initial condition of an I/O drive unit and the 2nd I/O drive unit all is the Disconn state; If the drive unit that is set to main drive then jumps to the Connecting state for connecting power equipment, behind the power equipment that Connects Power, turn Connected state and timed sending synchrodata; The drive unit that is set to standby drive unit detects the connection status of main drive, if the main drive successful connection then maintains the Disconn state, waits for the synchronizing signal that receives main drive.
According to an embodiment, if the I/O drive unit of the current Connected of being in state is connected disconnection with main power equipment, then attempt earlier being connected with non-firm power equipment, if can't connect, then oneself state is changed to the Disconn state, and notify standby drive unit, the state of standby drive unit switching this moment own is Connecting, attempt successively being connected with non-firm power equipment with main power equipment, successful connection then is changed to Connected to oneself state, and becomes new main drive and timed sending synchronizing information; If all connections are all failed then error message is sent to data acquisition node, check main power equipment and non-firm power device link at Client-Prompt; If the current data acquisition node that is in the I/O drive unit place of Connected state occurs unusual, then standby drive unit is overtime because receive Synchronization Status Message, it is unusual to detect this main drive, standby drive unit is attempted being connected with non-firm power equipment with main power equipment successively, successful connection then is changed to Connected to oneself state, and becomes new main drive and timed sending synchronizing information; The data acquisition node abnormal information is sent to client, prompting customer inspection data acquisition node situation, if all connections are all failed then error message is sent to data acquisition node, check main power equipment and non-firm power device link at Client-Prompt; Under the Recving state, standby drive unit need be to the main drive sending controling instruction; Under the Connected state, main drive need send heartbeat detection message and data sync to standby drive unit.
According to a second aspect of the invention, provide a kind of electric apparatus monitoring method, comprising:
First data acquisition node is provided, the first data acquisition node machine and an I/O drive unit are provided in first data acquisition node, the first data acquisition node machine is gathered the data of power equipment by an I/O drive unit;
Second data acquisition node is provided, the second data acquisition node machine and the 2nd I/O drive unit are provided in second data acquisition node, the second data acquisition node machine is gathered the data of power equipment by the 2nd I/O drive unit;
Connect the clients to first data acquisition node and second data acquisition node, and communicate with one of them;
In an I/O drive unit and the 2nd I/O drive unit, be respectively provided to the address of a few power equipment; Wherein, at any one time, a power equipment is only communicated by letter with the I/O drive unit of a data acquisition node;
One of them of the one I/O drive unit and the 2nd I/O drive unit is set to main drive, and another is set to standby drive unit;
Main drive is attempted being connected with at least one power equipment, after successful connection, communicates by letter with power equipment and regularly to standby drive unit transmission synchronizing signal;
Standby drive unit detects the connection status of main drive, can't connect at main drive, when perhaps the main drive fault made standby drive unit can't receive synchronizing signal in the given time, standby drive unit was taken over main drive and is connected and notify main drive;
Former standby drive unit is re-set as main drive, and former main drive is re-set as standby drive unit, and new main drive regularly sends synchronizing signal to new standby drive unit.
According to an embodiment, two power equipments of this method monitoring, one of them is set to main power equipment, and another is set to non-firm power equipment; The address of two power equipments is set respectively in an I/O drive unit and the 2nd I/O drive unit; Main drive is attempted earlier connecting with main power equipment, if can't connect with main power equipment, then main drive is attempted connecting with non-firm power equipment; During main drive and main power equipment and non-firm power equipment were attempted connecting, standby drive unit detected the connection status of main drive; If main drive and main power equipment and non-firm power equipment all can't connect, when perhaps the main drive fault made standby drive unit can't receive synchronizing signal in the given time, standby drive unit was taken over main drive and is connected and notify main drive; Former standby drive unit is re-set as main drive, and former main drive is re-set as standby drive unit, and new main drive regularly sends synchronizing signal to new standby drive unit.
According to an embodiment, the one I/O drive unit and the 2nd I/O drive unit all are state machines, have following state: Connected state, Disconn state, Connecting state, Recving state, FireForRecv state, CheckPairStatus state; Wherein, the Connected state can jump to the Disconn state, and sends synchronizing signal at the Connected state; The Disconn state can jump to the CheckPairStatus state; The Connecting state can jump to Connected state and Disconn state; The Recving state can jump to the Disconn state; The FireForRecv state can jump to the Recving state; The CheckPairStatus state can jump to Connecting state or FireForRecv state, and can be from redirect.
According to an embodiment, the initial condition of an I/O drive unit and the 2nd I/O drive unit all is the Disconn state; If the drive unit that is set to main drive then jumps to the Connecting state for connecting power equipment, behind the power equipment that Connects Power, turn Connected state and timed sending synchrodata; The drive unit that is set to standby drive unit detects the connection status of main drive, if the main drive successful connection then maintains the Disconn state, waits for the synchronizing signal that receives main drive.
According to an embodiment, if the I/O drive unit of the current Connected of being in state is connected disconnection with main power equipment, then attempt earlier being connected with non-firm power equipment, if can't connect, then oneself state is changed to the Disconn state, and notify standby drive unit, the state of standby drive unit switching this moment own is Connecting, attempt successively being connected with non-firm power equipment with main power equipment, successful connection then is changed to Connected to oneself state, and becomes new main drive and timed sending synchronizing information; If all connections are all failed then error message is sent to data acquisition node, check main power equipment and non-firm power device link at Client-Prompt; If the current data acquisition node that is in the I/O drive unit place of Connected state occurs unusual, then standby drive unit is overtime because receive Synchronization Status Message, it is unusual to detect this main drive, standby drive unit is attempted being connected with non-firm power equipment with main power equipment successively, successful connection then is changed to Connected to oneself state, and becomes new main drive and timed sending synchronizing information; The data acquisition node abnormal information is sent to client, prompting customer inspection data acquisition node situation, if all connections are all failed then error message is sent to data acquisition node, check main power equipment and non-firm power device link at Client-Prompt; Under the Recving state, standby drive unit need be to the main drive sending controling instruction; Under the Connected state, main drive need send heartbeat detection message and data sync to standby drive unit.
No matter adopt technical scheme of the present invention, be which platform power equipment connects and occurs unusually, and still certain data acquisition node occurs unusually, and client can both be obtained the data of current power equipment, and the node or the equipment that can help the user to investigate to go wrong.
Description of drawings
In the present invention, identical Reference numeral is represented identical feature all the time, wherein,
Fig. 1 shows the allocation plan of the link redundancy technology of available technology adopting;
Fig. 2 shows the structure chart of electric apparatus monitoring of the present invention system;
Fig. 3 shows the state redirect figure of main drive;
Fig. 4 shows the state redirect figure of standby driving arrangement.
Embodiment
The present invention at first provides a kind of electric apparatus monitoring system, and with reference to shown in Figure 2, this electric apparatus monitoring system comprises:
The first data acquisition node 202a comprises the first data acquisition node machine 204a and an I/O drive unit 206a, and this first data acquisition node machine 204a gathers the data of power equipment by an I/O drive unit 206a;
The second data acquisition node 202b comprises the second data acquisition node machine 204b and the 2nd I/O drive unit 206b, and this second data acquisition node machine 206b gathers the data of power equipment by the 2nd I/O drive unit 206b;
At least one power equipment, comprise two power equipment 208a and 208b in this embodiment, the one I/O drive unit 206a and the 2nd I/O drive unit 206b are respectively provided to few power equipment, two power equipment 208a in this embodiment and the address of 208b; Wherein, at any one time, a power equipment is only communicated by letter with the I/O drive unit of a data acquisition node;
Client 210 is connected to the first data acquisition node 202a and the second data acquisition node 202b, and communicates with one of them;
Wherein, one of them is set to main drive the one I/O drive unit 206a and the 2nd I/O drive unit 206b, another is set to standby drive unit, main drive is attempted being connected with at least one power equipment, after successful connection, communicate by letter with power equipment and regularly send synchronizing signal to standby drive unit; Standby drive unit detects the connection status of main drive, can't connect at main drive, when perhaps the main drive fault makes standby drive unit can't receive synchronizing signal in the given time, standby drive unit is taken over main drive and is connected and notify main drive, former standby drive unit is re-set as main drive, former main drive is re-set as standby drive unit, and new main drive regularly sends synchronizing signal to new standby drive unit.
With reference to embodiment shown in Figure 2, comprising two power equipment 208a and 208b, one of them is set to main power equipment, and another is set to non-firm power equipment;
The one I/O drive unit 206a and the 2nd I/O drive unit 206b are provided with the address of two power equipments respectively;
Main drive is attempted earlier connecting with main power equipment, if can't connect with main power equipment, then main drive is attempted connecting with non-firm power equipment; During main drive and main power equipment and non-firm power equipment were attempted connecting, standby drive unit detected the connection status of main drive;
If main drive and main power equipment and non-firm power equipment all can't connect, when perhaps the main drive fault makes standby drive unit can't receive synchronizing signal in the given time, standby drive unit is taken over main drive and is connected and notify main drive, former standby drive unit is re-set as main drive, former main drive is re-set as standby drive unit, and new main drive regularly sends synchronizing signal to new standby drive unit.
According to the present invention, the one I/O drive unit 206a and the 2nd I/O drive unit 206b are state machines, have following state: Connected state, Disconn state, Connecting state, Recving state, FireForRecv state, CheckPairStatus state.Wherein, in the process that the Connecting state representation attempts connecting with power equipment; Connected state representation and power equipment successfully connect, in the communication process; The Disconn state representation is connected disconnection with equipment; The FireForRecv state representation is prepared receiving synchronous information; In the Recving state representation receiving synchronous information process; CheckPairStatus represents to check the other side's driving condition; SyncData represents synchrodata.
With reference to figure 3 and shown in Figure 4, as main drive and standby drive unit, the mode of its state redirect is as follows respectively:
The Connected state can jump to the Disconn state, and sends synchronizing signal at the Connected state;
The Disconn state can jump to the CheckPairStatus state;
The Connecting state can jump to Connected state and Disconn state;
The Recving state can jump to the Disconn state;
The FireForRecv state can jump to the Recving state;
The CheckPairStatus state can jump to Connecting state or FireForRecv state, and can be from redirect.
The difference of the state redirect figure of main drive and standby drive unit is, for main drive, with reference to shown in Figure 3:
When main drive at the CheckPairStatus state during from redirect, standby drive unit is in the Connecting state;
When main drive during from CheckPairStatus state redirect Connecting state, standby drive unit is in Recving state, FireForRecv state, CheckPairStatus state or standby drive unit and has been in deadlock (Dead) state;
When main drive during from CheckPairStatus state redirect FireForRecv state, standby drive unit is in the Connected state.
For standby drive unit, with reference to shown in Figure 4:
When standby drive unit at the CheckPairStatus state during from redirect, main drive is in Connecting state or CheckPairStatus state;
When standby drive unit during from CheckPairStatus state redirect Connecting state, main drive is in Recving state, FireForRecv state or main drive and has been in deadlock (Dead) state;
When standby drive unit during from CheckPairStatus state redirect FireForRecv state, main drive is in the Connected state.
In the process of this system works, the initial condition of an I/O drive unit and the 2nd I/O drive unit all is the Disconn state;
If the drive unit that is set to main drive then jumps to the Connecting state for connecting power equipment, behind the power equipment that Connects Power, turn Connected state and timed sending synchrodata;
The drive unit that is set to standby drive unit detects the connection status of main drive, if the main drive successful connection then maintains the Disconn state, waits for the synchronizing signal that receives main drive.
If the I/O drive unit of the current Connected of being in state is connected disconnection with main power equipment, then attempt earlier being connected with non-firm power equipment, if can't connect, then oneself state is changed to the Disconn state, and notify standby drive unit, the state of standby drive unit switching this moment own is Connecting, attempt successively being connected with non-firm power equipment with main power equipment, successful connection then is changed to Connected to oneself state, and becomes new main drive and timed sending synchronizing information; If all connections are all failed then error message is sent to data acquisition node, check main power equipment and non-firm power device link at Client-Prompt;
If the current data acquisition node that is in the I/O drive unit place of Connected state occurs unusual, then standby drive unit is overtime because receive Synchronization Status Message, it is unusual to detect this main drive, standby drive unit is attempted being connected with non-firm power equipment with main power equipment successively, successful connection then is changed to Connected to oneself state, and becomes new main drive and timed sending synchronizing information; The data acquisition node abnormal information is sent to client, prompting customer inspection data acquisition node situation, if all connections are all failed then error message is sent to data acquisition node, check main power equipment and non-firm power device link at Client-Prompt;
Under the Recving state, standby drive unit need be to the main drive sending controling instruction; Under the Connected state, main drive need send heartbeat detection message and data sync to standby drive unit.
According to a further aspect in the invention, also provide a kind of electric apparatus monitoring method, comprising:
First data acquisition node is provided, the first data acquisition node machine and an I/O drive unit are provided in first data acquisition node, the first data acquisition node machine is gathered the data of power equipment by an I/O drive unit;
Second data acquisition node is provided, the second data acquisition node machine and the 2nd I/O drive unit are provided in second data acquisition node, the second data acquisition node machine is gathered the data of power equipment by the 2nd I/O drive unit;
Connect the clients to first data acquisition node and second data acquisition node, and communicate with one of them;
In an I/O drive unit and the 2nd I/O drive unit, be respectively provided to the address of a few power equipment; Wherein, at any one time, a power equipment is only communicated by letter with the I/O drive unit of a data acquisition node;
One of them of the one I/O drive unit and the 2nd I/O drive unit is set to main drive, and another is set to standby drive unit;
Main drive is attempted being connected with described at least one power equipment, after successful connection, communicates by letter with power equipment and regularly to standby drive unit transmission synchronizing signal;
Standby drive unit detects the connection status of main drive, can't connect at main drive, when perhaps the main drive fault made standby drive unit can't receive synchronizing signal in the given time, standby drive unit was taken over main drive and is connected and notify main drive;
Former standby drive unit is re-set as main drive, and former main drive is re-set as standby drive unit, and new main drive regularly sends synchronizing signal to new standby drive unit.
When two power equipments of monitoring, one of them is set to main power equipment, and another is set to non-firm power equipment; The address of two power equipments is set respectively in an I/O drive unit and the 2nd I/O drive unit; Main drive is attempted earlier connecting with main power equipment, if can't connect with main power equipment, then main drive is attempted connecting with non-firm power equipment; During main drive and main power equipment and non-firm power equipment were attempted connecting, standby drive unit detected the connection status of main drive; If main drive and main power equipment and non-firm power equipment all can't connect, when perhaps the main drive fault made standby drive unit can't receive synchronizing signal in the given time, standby drive unit was taken over main drive and is connected and notify main drive; Former standby drive unit is re-set as main drive, and former main drive is re-set as standby drive unit, and new main drive regularly sends synchronizing signal to new standby drive unit.
In electric apparatus monitoring method provided by the present invention, the one I/O drive unit and the 2nd I/O drive unit all are state machines, have following state: Connected state, Disconn state, Connecting state, Recving state, FireForRecv state, CheckPairStatus state; Wherein, the Connected state can jump to the Disconn state, and sends synchronizing signal at the Connected state; The Disconn state can jump to the CheckPairStatus state; The Connecting state can jump to Connected state and Disconn state; The Recving state can jump to the Disconn state; The FireForRecv state can jump to the Recving state; The CheckPairStatus state can jump to Connecting state or FireForRecv state, and can be from redirect.
In electric apparatus monitoring method provided by the invention, the initial condition of an I/O drive unit and the 2nd I/O drive unit all is the Disconn state; If the drive unit that is set to main drive then jumps to the Connecting state for connecting power equipment, behind the power equipment that Connects Power, turn Connected state and timed sending synchrodata; The drive unit that is set to standby drive unit detects the connection status of main drive, if the main drive successful connection then maintains the Disconn state, waits for the synchronizing signal that receives main drive.
If the I/O drive unit of the current Connected of being in state is connected disconnection with main power equipment, then attempt earlier being connected with non-firm power equipment, if can't connect, then oneself state is changed to the Disconn state, and notify standby drive unit, the state of standby drive unit switching this moment own is Connecting, attempt successively being connected with non-firm power equipment with main power equipment, successful connection then is changed to Connected to oneself state, and becomes new main drive and timed sending synchronizing information; If all connections are all failed then error message is sent to data acquisition node, check main power equipment and non-firm power device link at Client-Prompt;
If the current data acquisition node that is in the I/O drive unit place of Connected state occurs unusual, then standby drive unit is overtime because receive Synchronization Status Message, it is unusual to detect this main drive, standby drive unit is attempted being connected with non-firm power equipment with main power equipment successively, successful connection then is changed to Connected to oneself state, and becomes new main drive and timed sending synchronizing information; The data acquisition node abnormal information is sent to client, prompting customer inspection data acquisition node situation, if all connections are all failed then error message is sent to data acquisition node, check main power equipment and non-firm power device link at Client-Prompt;
Under the Recving state, standby drive unit need be to the main drive sending controling instruction; Under the Connected state, main drive need send heartbeat detection message and data sync to standby drive unit.
In Fig. 3, Fig. 4 and above-mentioned statement,
Connecting state: in the process that expression is attempted connecting with power equipment;
The Connected state: expression successfully connects with power equipment, in the communication process;
The Disconn state: expression is connected disconnection with equipment;
The FireForRecv state: receiving synchronous information is prepared in expression;
Recving state: in the expression receiving synchronous information process;
CheckPairStatus: the other side's driving condition is checked in expression;
SyncData: expression synchrodata.
Introduce an instantiation of the present invention below, comprising:
Step 1. is disposed data acquisition (SCADA) node of two equities, and two SCADA nodes move simultaneously, and client and two node machines all connect.
Step 2. is at two SCADA node machine deploy I/O drivers, selected wherein one be that main (Primary) drives, other one be standby (Standby) driving.
Step 3. drives at two covers and sets the power equipment address, if having only an IEC870-5-104 power equipment then only set an address, if two IEC870-5-104 power equipments are arranged, then selecting one is Primary equipment, and another is a Standby equipment.
With reference to top Fig. 2, the client while, the SCADA with two equities and operation simultaneously connected, client is initiatively judged current and which SCADA server connects, and when the connection of current active disconnected, client turned to an other SCADA node automatically.Under this mechanism, complete equity between two redundant SCADA, and client does not know not need to know that equipment is current with which SCADA node is connected yet.
Arbitrary moment has only an I/O driving to connect with equipment, and the regulation of 104 electric power stipulations has been followed in strictness.It is Disconnected that I/O drives initial equipment connection status, if detect state that Primary drives this moment on connecting or having connected, then waits for timing synchrodata after the other side's successful connection.Primary drives the difference that drives with Standby and is, if two drivers all are in the state that detects the other side's connection status, Primary selects connection device, and Standby equipment then continues to detect the Primary driving condition, drives successful connection up to Primary.
I/O drives possesses Connected, Disconn, Recving, FireForRecv, Connecting state.These driving condition conversions can be with reference to figure 3 and shown in Figure 4.
If the I/O of the current Connected of being in state driving is connected disconnection with equipment, then attempt earlier being connected with stand-by equipment, if can't connect, then oneself state is changed to Disconnected, and notify standby driving, the state of standby driving switching this moment own is Connecting, attempts successively being connected with active and standby power equipment, and successful connection then is changed to Connected to oneself state; If still connection failure then error message is sent to the SCADA node is at Client-Prompt customer inspection power equipment link.
Occur unusual if the current I/O that is in the Connected state drives place SCADA node, then standby driving is overtime because receive Synchronization Status Message, it is unusual to detect this driving, attempts successively being connected with active and standby power equipment, and successful connection then is changed to Connected to oneself state; And SCADA node machine abnormal information sent to client, prompting customer inspection SCADA node machine situation.If connection failure sends to the SCADA node with error message, at Client-Prompt customer inspection power equipment link.
Under the Recving state, Standby drives need drive sending controling instruction to equity; Under the Connected state, Primary drives to drive to equity and sends heartbeat detection message and data sync.
No matter adopt technical scheme of the present invention, be which platform power equipment connects and occurs unusually, and still certain data acquisition node occurs unusually, and client can both be obtained the data of current power equipment, and the node or the equipment that can help the user to investigate to go wrong.
Claims (10)
1. an electric apparatus monitoring system is characterized in that, comprising:
First data acquisition node comprises the first data acquisition node machine and an I/O drive unit, and this first data acquisition node machine is gathered the data of power equipment by an I/O drive unit;
Second data acquisition node comprises the second data acquisition node machine and the 2nd I/O drive unit, and this second data acquisition node machine is gathered the data of power equipment by the 2nd I/O drive unit;
At least one power equipment, an I/O drive unit and the 2nd I/O drive unit are provided with the address of described at least one power equipment respectively; Wherein, at any one time, a power equipment is only communicated by letter with the I/O drive unit of a data acquisition node;
Client is connected to first data acquisition node and second data acquisition node, and communicates with one of them;
Wherein, one of them is set to main drive the one I/O drive unit and the 2nd I/O drive unit, another is set to standby drive unit, main drive is attempted being connected with described at least one power equipment, after successful connection, communicate by letter with power equipment and regularly send synchronizing signal to standby drive unit; Standby drive unit detects the connection status of main drive, can't connect at main drive, when perhaps the main drive fault makes standby drive unit can't receive synchronizing signal in the given time, standby drive unit is taken over main drive and is connected and notify main drive, former standby drive unit is re-set as main drive, former main drive is re-set as standby drive unit, and new main drive regularly sends synchronizing signal to new standby drive unit.
2. electric apparatus monitoring as claimed in claim 1 system is characterized in that:
Comprise two power equipments, one of them is set to main power equipment, and another is set to non-firm power equipment;
A described I/O drive unit and the 2nd I/O drive unit are provided with the address of two power equipments respectively;
Described main drive is attempted earlier connecting with main power equipment, if can't connect with main power equipment, then main drive is attempted connecting with non-firm power equipment; During main drive and main power equipment and non-firm power equipment were attempted connecting, standby drive unit detected the connection status of main drive;
If main drive and main power equipment and non-firm power equipment all can't connect, when perhaps the main drive fault makes standby drive unit can't receive synchronizing signal in the given time, standby drive unit is taken over main drive and is connected and notify main drive, former standby drive unit is re-set as main drive, former main drive is re-set as standby drive unit, and new main drive regularly sends synchronizing signal to new standby drive unit.
3. electric apparatus monitoring as claimed in claim 2 system is characterized in that a described I/O drive unit and the 2nd I/O drive unit all are state machines, have following state:
Connected state, Disconn state, Connecting state, Recving state, FireForRecv state, CheckPairStatus state;
Wherein, the Connected state can jump to the Disconn state, and sends synchronizing signal at the Connected state;
The Disconn state can jump to the CheckPairStatus state;
The Connecting state can jump to Connected state and Disconn state;
The Recving state can jump to the Disconn state;
The FireForRecv state can jump to the Recving state;
The CheckPairStatus state can jump to Connecting state or FireForRecv state, and can be from redirect.
4. electric apparatus monitoring as claimed in claim 3 system is characterized in that the initial condition of an I/O drive unit and the 2nd I/O drive unit all is the Disconn state;
If the drive unit that is set to main drive then jumps to the Connecting state for connecting power equipment, behind the power equipment that Connects Power, turn Connected state and timed sending synchrodata;
The drive unit that is set to standby drive unit detects the connection status of main drive, if the main drive successful connection then maintains the Disconn state, waits for the synchronizing signal that receives main drive.
5. electric apparatus monitoring as claimed in claim 4 system is characterized in that,
If the I/O drive unit of the current Connected of being in state is connected disconnection with main power equipment, then attempt earlier being connected with non-firm power equipment, if can't connect, then oneself state is changed to the Disconn state, and notify standby drive unit, the state of standby drive unit switching this moment own is Connecting, attempt successively being connected with non-firm power equipment with main power equipment, successful connection then is changed to Connected to oneself state, and becomes new main drive and timed sending synchronizing information; If all connections are all failed then error message is sent to data acquisition node, check main power equipment and non-firm power device link at Client-Prompt;
If the current data acquisition node that is in the I/O drive unit place of Connected state occurs unusual, then standby drive unit is overtime because receive Synchronization Status Message, it is unusual to detect this main drive, standby drive unit is attempted being connected with non-firm power equipment with main power equipment successively, successful connection then is changed to Connected to oneself state, and becomes new main drive and timed sending synchronizing information; The data acquisition node abnormal information is sent to client, prompting customer inspection data acquisition node situation, if all connections are all failed then error message is sent to data acquisition node, check main power equipment and non-firm power device link at Client-Prompt;
Under the Recving state, standby drive unit need be to the main drive sending controling instruction; Under the Connected state, main drive need send heartbeat detection message and data sync to standby drive unit.
6. electric apparatus monitoring method comprises:
First data acquisition node is provided, the first data acquisition node machine and an I/O drive unit are provided in first data acquisition node, the first data acquisition node machine is gathered the data of power equipment by an I/O drive unit;
Second data acquisition node is provided, the second data acquisition node machine and the 2nd I/O drive unit are provided in second data acquisition node, the second data acquisition node machine is gathered the data of power equipment by the 2nd I/O drive unit;
Connect the clients to first data acquisition node and second data acquisition node, and communicate with one of them;
In an I/O drive unit and the 2nd I/O drive unit, be respectively provided to the address of a few power equipment; Wherein, at any one time, a power equipment is only communicated by letter with the I/O drive unit of a data acquisition node;
One of them of the one I/O drive unit and the 2nd I/O drive unit is set to main drive, and another is set to standby drive unit;
Main drive is attempted being connected with described at least one power equipment, after successful connection, communicates by letter with power equipment and regularly to standby drive unit transmission synchronizing signal;
Standby drive unit detects the connection status of main drive, can't connect at main drive, when perhaps the main drive fault made standby drive unit can't receive synchronizing signal in the given time, standby drive unit was taken over main drive and is connected and notify main drive;
Former standby drive unit is re-set as main drive, and former main drive is re-set as standby drive unit, and new main drive regularly sends synchronizing signal to new standby drive unit.
7. electric apparatus monitoring method as claimed in claim 6 is characterized in that:
Monitor two power equipments, one of them is set to main power equipment, and another is set to non-firm power equipment;
The address of two power equipments is set respectively in an I/O drive unit and the 2nd I/O drive unit;
Main drive is attempted earlier connecting with main power equipment, if can't connect with main power equipment, then main drive is attempted connecting with non-firm power equipment;
During main drive and main power equipment and non-firm power equipment were attempted connecting, standby drive unit detected the connection status of main drive;
If main drive and main power equipment and non-firm power equipment all can't connect, when perhaps the main drive fault made standby drive unit can't receive synchronizing signal in the given time, standby drive unit was taken over main drive and is connected and notify main drive;
Former standby drive unit is re-set as main drive, and former main drive is re-set as standby drive unit, and new main drive regularly sends synchronizing signal to new standby drive unit.
8. electric apparatus monitoring method as claimed in claim 7 is characterized in that, a described I/O drive unit and the 2nd I/O drive unit all are state machines, have following state:
Connected state, Disconn state, Connecting state, Recving state, FireForRecv state, CheckPairStatus state;
Wherein, the Connected state can jump to the Disconn state, and sends synchronizing signal at the Connected state;
The Disconn state can jump to the CheckPairStatus state;
The Connecting state can jump to Connected state and Disconn state;
The Recving state can jump to the Disconn state;
The FireForRecv state can jump to the Recving state;
The CheckPairStatus state can jump to Connecting state or FireForRecv state, and can be from redirect.
9. electric apparatus monitoring method as claimed in claim 8 is characterized in that,
The initial condition of the one I/O drive unit and the 2nd I/O drive unit all is the Disconn state;
If the drive unit that is set to main drive then jumps to the Connecting state for connecting power equipment, behind the power equipment that Connects Power, turn Connected state and timed sending synchrodata;
The drive unit that is set to standby drive unit detects the connection status of main drive, if the main drive successful connection then maintains the Disconn state, waits for the synchronizing signal that receives main drive.
10. electric apparatus monitoring method as claimed in claim 9 is characterized in that,
If the I/O drive unit of the current Connected of being in state is connected disconnection with main power equipment, then attempt earlier being connected with non-firm power equipment, if can't connect, then oneself state is changed to the Disconn state, and notify standby drive unit, the state of standby drive unit switching this moment own is Connecting, attempt successively being connected with non-firm power equipment with main power equipment, successful connection then is changed to Connected to oneself state, and becomes new main drive and timed sending synchronizing information; If all connections are all failed then error message is sent to data acquisition node, check main power equipment and non-firm power device link at Client-Prompt;
If the current data acquisition node that is in the I/O drive unit place of Connected state occurs unusual, then standby drive unit is overtime because receive Synchronization Status Message, it is unusual to detect this main drive, standby drive unit is attempted being connected with non-firm power equipment with main power equipment successively, successful connection then is changed to Connected to oneself state, and becomes new main drive and timed sending synchronizing information; The data acquisition node abnormal information is sent to client, prompting customer inspection data acquisition node situation, if all connections are all failed then error message is sent to data acquisition node, check main power equipment and non-firm power device link at Client-Prompt;
Under the Recving state, standby drive unit need be to the main drive sending controling instruction; Under the Connected state, main drive need send heartbeat detection message and data sync to standby drive unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710045960XA CN101388567B (en) | 2007-09-13 | 2007-09-13 | Electric apparatus monitoring method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710045960XA CN101388567B (en) | 2007-09-13 | 2007-09-13 | Electric apparatus monitoring method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101388567A CN101388567A (en) | 2009-03-18 |
| CN101388567B true CN101388567B (en) | 2011-10-26 |
Family
ID=40477809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710045960XA Active CN101388567B (en) | 2007-09-13 | 2007-09-13 | Electric apparatus monitoring method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101388567B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807814A (en) * | 2010-03-23 | 2010-08-18 | 武汉若比特机器人有限公司 | Redundant backup circuit system architecture method with high security |
| CN101848241B (en) * | 2010-05-06 | 2012-12-19 | 安徽省电力公司合肥供电公司 | Ies500 automatic real-time data and information system |
| CN103280095A (en) * | 2013-06-09 | 2013-09-04 | 杭州佳和电气有限公司 | Self-healing technology for electric energy collection system |
| CN105245421A (en) * | 2015-11-05 | 2016-01-13 | 国网辽宁省电力有限公司营口供电公司 | Power communication integrated data network system and communication method thereof |
| CN106099870B (en) * | 2016-07-08 | 2018-07-24 | 山东鲁能智能技术有限公司 | A kind of method of intelligent substation protection control function list set configuration operation Autonomic Migration Framework |
| CN108551453B (en) * | 2018-04-23 | 2023-06-20 | 德阳国创智慧能源有限公司 | Equipment state information takeover method and device |
| CN112698989B (en) * | 2020-12-31 | 2024-01-02 | 科华恒盛股份有限公司 | Dual-computer mutual backup method and system of data acquisition system |
| CN115134211B (en) * | 2021-03-23 | 2024-04-09 | 中移(上海)信息通信科技有限公司 | Power equipment information processing method, intelligent terminal and server equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2857102Y (en) * | 2005-04-29 | 2007-01-10 | 上海渐华科技发展有限公司 | Smart in-situ bus control system |
| CN101004587A (en) * | 2006-01-13 | 2007-07-25 | 艾默生过程管理电力和水力解决方案有限公司 | Method for redundant controller synchronization during normal and program mismatch conditions |
-
2007
- 2007-09-13 CN CN200710045960XA patent/CN101388567B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2857102Y (en) * | 2005-04-29 | 2007-01-10 | 上海渐华科技发展有限公司 | Smart in-situ bus control system |
| CN101004587A (en) * | 2006-01-13 | 2007-07-25 | 艾默生过程管理电力和水力解决方案有限公司 | Method for redundant controller synchronization during normal and program mismatch conditions |
Non-Patent Citations (5)
| Title |
|---|
| 刘恒川.辅控网在大型火电厂中的应用与优化.自动化仪表28 6.2007,28(6),正文第35-37页、图1. |
| 刘恒川.辅控网在大型火电厂中的应用与优化.自动化仪表28 6.2007,28(6),正文第35-37页、图1. * |
| 王达宗等.冗余SCADA数据同步的设计与构建.计算机应用25 5.2005,25(5),全文. |
| 王达宗等.冗余SCADA数据同步的设计与构建.计算机应用25 5.2005,25(5),全文. * |
| 赵亦欣等.冗余控制系统在方坯连铸中的设计及实现.冶金自动化.2006,正文第71页左栏第2段. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101388567A (en) | 2009-03-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101388567B (en) | Electric apparatus monitoring method and system | |
| US4984240A (en) | Distributed switching architecture for communication module redundancy | |
| CA1321001C (en) | Transmission line switching system | |
| WO1998021854A1 (en) | Communication network system and rebuilding thereof | |
| CN109981353B (en) | Method and system for protecting adjacent station redundancy in frame type network communication equipment | |
| CN101350636A (en) | Method and system for link redundant backup base on photoelectric multiplexing port | |
| CN111522698B (en) | Automatic switching system and method for front-end processor | |
| CN101098217A (en) | Synchronous/asynchronous serial port backup system, device and switch method | |
| EP1793626B1 (en) | System and method for implementing service switching | |
| CN101771456A (en) | Annular repeater system and network fault repairing method thereof | |
| JPH0561704A (en) | System for access from duplex part standby system to single part | |
| CN109101372A (en) | Redundancy switching method, storage medium and the Shelf Management Module of Shelf Management Module | |
| JP5077153B2 (en) | Ring network system and ring network system recovery method | |
| JP2006254096A (en) | Ip telephone system | |
| CN109088753B (en) | Circuit and method for automatically detecting RS485 communication fault | |
| JP4781697B2 (en) | IP phone system | |
| JP4628823B2 (en) | IP phone system | |
| JP3436048B2 (en) | Transmission line switching device and switching method thereof | |
| JP2692657B2 (en) | Communications system | |
| JPH10276205A (en) | Duplicate system for atm communication network | |
| JP3100464B2 (en) | Packet switch | |
| CN114173391A (en) | Method for improving remote transmission reliability of locally acquired information | |
| CN117439628A (en) | Communication terminal equipment | |
| JP4916670B2 (en) | IP phone system | |
| JPS58182359A (en) | Self-control system switching system of electronic exchange |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |