CN114648869B - Remote control instruction operation method for power protection measurement and control device - Google Patents
Remote control instruction operation method for power protection measurement and control device Download PDFInfo
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- CN114648869B CN114648869B CN202210231774.XA CN202210231774A CN114648869B CN 114648869 B CN114648869 B CN 114648869B CN 202210231774 A CN202210231774 A CN 202210231774A CN 114648869 B CN114648869 B CN 114648869B
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
- H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
Abstract
The invention discloses a remote control instruction operation method of a power protection measurement and control device, which comprises the following steps: receiving a remote control instruction by an external task and transmitting the remote control instruction to a remote control management task; the remote control management task carries out validity judgment on the remote control instruction, respectively processes the execution state of the current remote control instruction operation task and different types of the remote control instruction if the validity judgment condition is met, informs a bottom layer export task, and waits for the bottom layer export task to return a bottom layer execution result; the bottom layer export task carries out export control or parameter operation, and returns a bottom layer execution result to the remote control management task after the execution is finished; and the remote control management task receives the bottom layer execution result, performs corresponding processing according to different types of remote control instructions, and transmits the instruction execution result to an external task to complete the current remote control instruction operation. The method makes the logic of remote control operation more clear, ensures the consistency of remote control operation and improves the working efficiency of remote control operation.
Description
Technical Field
The invention relates to the technical field of remote control management, in particular to a remote control instruction operation method for an electric power protection measurement and control device.
Background
The remote control operation of the initial power protection measurement and control device is remote operation aiming at switches, disconnecting links and other external actual control equipment, and because the initial control object is single, the remote control operation basically adopts a one-step-to-one design mode, namely: after any upper computer remote control command is sent, the steps of command receiving, logic judgment, actual exit triggering and the like are processed and completed in a task of receiving the remote control command. This method of operation is relatively simple to implement for a single type of remote control. However, with the increase of the demand of the power system, the types of goose, soft pressure plate and the like are remote-controlled, and remote signaling and parameter modification are correspondingly performed in the measurement and control device, as shown in fig. 1, the conventional remote control operation method inevitably causes that each task receiving the remote control command needs to perform type identification of a remote control object, and different operation instructions are distributed according to respective types, so that the realization logic is complicated, the consistency of remote control operation cannot be ensured, a large amount of repeated work can occur in code realization, and the working efficiency is low. When a new task or a remote control type occurs or a certain remote control function requirement is modified, the communication task modules need to be added or deleted, and the workload is very large.
Disclosure of Invention
The invention provides a remote control instruction operation method of a power protection measurement and control device, which aims to: the traditional remote control operation method is improved, the consistency of remote control operation is ensured, and the working efficiency of remote control operation is improved.
The technical scheme of the invention is as follows:
a remote control instruction operation method for a power protection measurement and control device comprises the following steps:
s1: receiving a new remote control instruction by an external task and transmitting the new remote control instruction to a remote control management task;
s2: the remote control management task judges the legality of the remote control command, and if the legality judgment condition is met, the remote control management task respectively processes the execution state of the current remote control command operation task and different types of the remote control command;
s3: the remote control management task informs the bottom layer export task and waits for the bottom layer export task to return a bottom layer execution result;
s4: the bottom layer export task carries out export control or parameter operation, and returns a bottom layer execution result to the remote control management task after the execution is finished;
s5: the remote control management task receives the bottom layer execution result and carries out corresponding processing according to different types of remote control instructions;
s6: and the remote control management task transmits the instruction execution result to an external task to complete the current remote control instruction operation.
Further, the remote control instruction operation method further comprises remote control management task initialization, wherein the remote control management task initialization comprises the steps of establishing an actual parameter library and a logic library which correspond to each other, defining remote control which needs to be provided to the outside in the actual parameter library, and enabling the remote control instruction operation task to refer to relevant remote control information from the actual parameter library.
And formulating a mapping rule between the actual parameter library and the logic library, and generating a mapping table from the logic library to the actual parameter library by referring to the operation object according to the mapping rule.
And the implementation module of the remote control function is indexed in the logic library and is used for enabling the remote control instruction operation task to refer to an actual operation object from the logic library.
Further, in step S3, the implementation manner of notifying the bottom layer exit task is: the remote control management task finds the implementation module of the operation object through a mapping table between the actual parameter library and the logic library, and transmits the remote control instruction to the bottom layer export task in a message or function calling mode.
Further, the step S4 is implemented by a bottom layer export function, and if a new remote control type occurs, a new export parameter is indexed in the logic library, a corresponding export is newly added in the actual parameter library, the newly added export is added into the mapping table, and a corresponding export type is newly added in the bottom layer export function.
Further, the validity judgment in step S2 is implemented by a validity check function, and if there is a new requirement for the remote control function, a corresponding function module is added to the validity check function.
Further, the remote control instruction operation method further comprises remote control instruction operation task initialization, wherein the remote control instruction operation task initialization divides the execution state of the remote control instruction operation task into an idle state, a busy state and a waiting execution state, and sets the initial execution state to the idle state.
Further, the step S2 of respectively processing according to the execution state of the current remote control instruction operation task and the different types of the remote control instruction specifically includes the following steps:
s2-1: judging the execution state of the current remote control instruction operation task, if the current remote control instruction operation task is in an idle state, executing the step S2-2-1, if the current remote control instruction operation task is in a waiting execution state, executing the step S2-2-2, if the current remote control instruction operation task is not in the idle state or the waiting execution state, judging that the current remote control instruction operation task is in a busy state, and turning to the step S2-2-3;
s2-2-1: judging whether the type of the current remote control instruction is a preset instruction or a direct control instruction, if so, saving the information of the current remote control instruction, and turning to the step S2-3-1, otherwise, turning to the step S2-3-2;
s2-2-2: judging whether the type of the current remote control instruction is an execution instruction or a cancel instruction, if not, directly switching to the step S2-3-2, if so, checking whether the stored remote control instruction information is consistent with the current remote control instruction information, if so, switching to the step S2-3-1, otherwise, switching to the step S2-3-2;
s2-2-3: rejecting all types of remote control instructions, waiting for the completion of the operation of the current remote control instruction, and returning to the step S2-1;
s2-3-1: converting the execution state of the current remote control instruction operation task into a busy state, and turning to the step S3;
s2-3-2: and (5) converting the execution state of the current remote control instruction operation task into an idle state, clearing the stored remote control instruction information, marking instruction execution failure, and turning to the step S6.
Further, the step S5 of performing corresponding processing according to different types of remote control instructions specifically includes:
if the current remote control instruction is a preset instruction, the execution state of the operation task of the current remote control instruction is converted into a waiting execution state, the instruction is marked to be executed successfully, and the step S6 is executed;
if the current remote control instruction is an execution instruction, a cancel instruction or a direct control instruction, the execution state of the current remote control instruction operation task is converted into an idle state, the instruction is marked to be executed successfully, and the step S6 is carried out.
Further, the validity judgment in step S2 includes a remote local state judgment and an operation object validity judgment, and if the device remote control instruction operation is in a remote state and the operation object is valid, the remote control instruction is considered to satisfy the validity judgment condition.
Further, the step S5 further includes, if the remote management task does not receive the bottom layer execution result within the preset time period, converting the execution state of the current remote instruction operation task into an idle state, clearing the stored remote instruction information, marking an instruction execution failure, and going to the step S6.
Compared with the prior art, the invention has the following beneficial effects:
(1) The method divides the remote control instruction operation into an external task, a remote control management task and a bottom layer exit task, the external task is only responsible for receiving the remote control instruction, the remote control management tasks uniformly realize various remote control operation judgments, and the bottom layer exit task is only responsible for exit control or operation parameters, compared with the traditional method, the method ensures that the logic of the remote control operation is clearer, ensures the consistency of the remote control operation, simplifies the remote control operation flow in the device and improves the working efficiency of the remote control operation;
(2) In the remote control instruction operation process, the implementation module of the operation object is quickly found through the mapping relation between the actual parameter library and the logic library, the transmission of the remote control instruction from the remote control management task to the bottom layer exit task is completed, and the remote control operation efficiency is further improved;
(3) The decoupling of the protocol task and the control object is realized by dividing the external task, the remote control management task and the bottom layer export task, the compatibility and the expansibility of remote control operation are improved, and the maintenance workload during the subsequent new tasks, remote control types and function changes is greatly reduced;
(4) The decoupling of codes is realized by the division of external tasks, remote control management tasks and bottom layer export tasks, and a large amount of repeated work of remote control operation on code realization is avoided.
Drawings
FIG. 1 is a logic diagram of a conventional method;
FIG. 2 is a logic diagram of the present method;
FIG. 3 is a mapping diagram of the method;
FIG. 4 is a flow chart of the method.
Detailed Description
The technical scheme of the invention is explained in detail in the following with the accompanying drawings:
firstly, remote control instruction operation task initialization and remote control management task initialization are carried out.
The remote control instruction operation task initialization divides the execution state of the remote control instruction operation task into an idle state CO _ NULL, a BUSY state CO _ BUSY and a waiting execution state CO _ WAITOPER, sets the initial execution state to the idle state CO _ NULL and waits for a new remote control instruction to appear.
As shown in fig. 2 and fig. 3, the remote control management task initialization includes establishing an actual parameter library YkReal and a logic library YkLog which correspond to each other, defining remote controls to be provided to the outside in the actual parameter library, configuring exit time, a return position and a logic lock of each remote control, and enabling a remote control instruction operation task to refer to relevant remote control information from the actual parameter library YkReal, and external forwarding tasks (a serial port 103, a network 103, panel communication and the like) and short address association tasks (61850 and the like) to refer to relevant remote control information from the actual parameter library YkReal, so as to ensure consistency of remote control indexes.
And establishing a mapping rule between the actual parameter library YkReal and the logic library YkLog, and generating a mapping table from the logic library to the actual parameter library YkReal by using the mapping rule, wherein the mapping table comprises the equipment number, the outlet type and the outlet offset of the operation object.
And the implementation module is used for enabling the remote control instruction operation task to refer to an actual operation object from the logic library YkLog. And in the remote control instruction task operation process, actual operation objects are referred from a CAN outlet, an I/O, GOOSE outlet of the CPU, a soft pressing plate, a kernel or sub-CPU plate and the like according to the mapping rule.
As shown in fig. 4, the remote control instruction operation method of the power protection measurement and control device includes the following steps:
s1: and the external task receives the remote control instruction and transmits the remote control instruction to the remote control management task.
S2: and defining a legality checking function in the remote control management task, and judging the legality of the remote control command through the legality checking function, wherein the legality judgment comprises remote local state judgment and operating object legality judgment, and if the remote control command operation of the device is in a remote state and the operating object is legal, the remote control command is considered to meet the legality judgment condition.
If the validity judgment condition is met, respectively processing according to the execution state of the current remote control instruction operation task and different types of remote control instructions, and specifically comprising the following steps of:
s2-1: judging the execution state of the current remote control instruction operation task, if the current remote control instruction operation task is in an idle state CO _ NULL, executing a step S2-2-1, if the current remote control instruction operation task is in a waiting execution state CO _ WAITOPER, executing a step S2-2-2, if the current remote control instruction operation task is not in the idle state CO _ NULL or the waiting execution state CO _ WAITOPER, judging that the current remote control instruction operation task is in a BUSY state CO _ BUSY, and turning to the step S2-2-3;
s2-2-1: judging whether the type of the current remote control instruction is a preset instruction or a direct control instruction, if so, storing current remote control instruction information including an operation object and an operation value of the current instruction, and turning to the step S2-3-1, otherwise, turning to the step S2-3-2;
s2-2-2: judging whether the type of the current remote control instruction is an execution instruction or a cancel instruction, if not, directly switching to the step S2-3-2, if so, checking whether the stored remote control instruction information is consistent with the current remote control instruction information, if so, switching to the step S2-3-1, otherwise, switching to the step S2-3-2;
s2-2-3: rejecting all types of remote control commands to ensure the uniqueness of the current remote control command operation, and returning to the step S2-1 after the current remote control command operation is finished;
s2-3-1: converting the execution state of the current remote control instruction operation task into a BUSY state CO _ BUSY, and turning to the step S3;
s2-3-2: refusing to execute remote control, converting the execution state of the current remote control instruction operation task into an idle state CO _ NULL, clearing the stored remote control instruction information, marking instruction execution failure, and turning to the step S6.
If the remote control instruction does not meet the validity judgment condition, refusing to execute remote control, converting the execution state of the current remote control instruction operation task into an idle state CO _ NULL, clearing the stored remote control instruction information, marking instruction execution failure, and going to step S6.
S3: and the remote control management task informs the bottom layer export task and waits for the bottom layer export task to return a bottom layer execution result.
Specifically, the implementation manner of notifying the bottom layer exit task is as follows: and the remote control management task finds the implementation module of the operation object through a mapping table between the actual parameter library YkReal and the logic library YkLog and transmits the remote control instruction to the bottom layer exit task in a message or function calling mode. If so, defining a logic base index actual operation object type judgment and instruction distribution function to complete the interface function from the instruction to the bottom layer.
S4: and defining a bottom layer export function in the bottom layer export task, carrying out export control or parameter operation, and returning a bottom layer execution result to the remote control management task after the execution is finished.
S5: an instruction execution overtime and result receiving function is defined in the remote control management task, and whether the execution overtime or the failure or success execution result is received, the remote control is ended to wait for a new instruction.
Specifically, when the remote control management task receives a bottom layer execution result, corresponding processing is performed according to different types of remote control instructions:
if the current remote control instruction is a preset instruction, converting the execution state of the current remote control instruction operation task into a waiting execution state CO _ WAITOPER, marking the instruction execution success, and turning to the step S6;
if the current remote control instruction is an execution instruction, a cancel instruction or a direct control instruction, the execution state of the operation task of the current remote control instruction is converted into an idle state CO _ NULL, the instruction is marked to be executed successfully, and the step S6 is carried out.
And if the remote control management task does not receive the bottom layer execution result within the preset time period, converting the execution state of the current remote control instruction operation task into an idle state CO _ NULL, clearing the stored remote control instruction information, marking instruction execution failure, and turning to the step S6.
S6: and the remote control management task transmits the instruction execution result to an external task to complete the current remote control instruction operation.
And (5) waiting for a new remote control command to appear, and repeatedly executing the steps S1-S6.
Through the implementation of the steps, the realization of the remote control function of the external communication protocol task only needs to complete the message transmission from the instruction to the actual parameter library YkRealykreal, and does not need other judgment and actual export calling. The bottom layer I/O, goose or parameter modification can also realize module design, and are independent respectively. In the remote control management task, because of the existence of the mapping table, the operation process is clearer and the operation steps are greatly reduced.
Taking the example that the device receives a remote control instruction of a 61850 task, the specific execution logic is as follows:
when the external task receives the remote control instruction, the message is decoded, the corresponding equipment number and the remote control offset are analyzed through the associated short address, and the corresponding data of the remote control instruction (control division or control combination), the equipment number, the remote control offset and the like are sent to the remote control management task.
After the remote control management task is awakened by a new remote control instruction, legality judgment is carried out, if the legality judgment condition is met, the remote control management task is processed according to the execution state of the current remote control instruction operation task and different types of the remote control instruction, an actual implementation module or task of an operated object is quickly found through a mapping table, the remote control instruction is quickly transmitted to a bottom layer export task in a message or event mode, and the remote control management task enters a result waiting and overtime judgment state after issuing an instruction.
And the bottom layer exit task completes the remote control command and returns a bottom layer execution result, the remote control management task is awakened again, the bottom layer execution result is received and is uploaded to an external task, the remote control command operation of the time is completed, and the execution state of the current remote control command operation task is changed. If the bottom layer execution result is not received within the preset time period, actively sending a cancel command and finishing the remote control, notifying that the remote control of the external task fails, and setting the execution state of the current remote control instruction operation task to be an idle state CO _ NULL.
Further, if a new remote control type appears, a new export parameter is indexed in the logic library YkLog, a corresponding export is newly added in the actual parameter library YkReal, the newly added export is added into the mapping table, and a corresponding export type is newly added in the bottom-layer export function, so that the new export type can be realized. For example, the new remote control type is the measurement and control board outlet (on the sub-CPU board), and the pseudo code of the bottom layer outlet function is as follows:
bottom layer exit function
{
The remote control instruction searches a mapping table, and finds out the equipment number, the remote control type and the remote control number corresponding to the instruction;
switch (remote control type)
{
case can exit:
distinguishing instruction types (presetting, execution, cancellation and direct control);
different treatments are carried out aiming at different categories;
a message informs the can network exit;
break；
……
and (3) case measurement and control plate outlet:
distinguishing instruction categories (presetting, execution, cancellation, direct control);
different treatments are carried out aiming at different categories;
issuing a remote control instruction of the measurement and control board through communication among the board cards;
break；
default break；
}
Do something；
}
furthermore, if a new requirement is required for the remote control function, only the legality checking function in the remote control management task needs to be modified, and a corresponding functional module is added in the legality checking function to meet the requirement. For example, when position judgment needs to be added, the position judgment is added in the validity check function, and only the control combination instruction is received when the controlled object is defined to be in the split position, and only the control division instruction is received when the controlled object is in the split position.
Claims (9)
1. A remote control instruction operation method for an electric power protection measurement and control device is characterized by comprising the following steps:
s1: receiving a new remote control instruction by an external task, and transmitting the new remote control instruction to a remote control management task;
s2: the remote control management task judges the legality of the remote control command, and if the legality judgment condition is met, the remote control management task respectively processes the execution state of the current remote control command operation task and different types of the remote control command;
s3: the remote control management task informs the bottom layer export task and waits for the bottom layer export task to return a bottom layer execution result;
s4: the bottom layer export task carries out export control or parameter operation, and returns a bottom layer execution result to the remote control management task after the execution is finished;
s5: the remote control management task receives the bottom layer execution result and carries out corresponding processing according to different types of remote control instructions;
s6: the remote control management task transmits the instruction execution result to an external task to complete the current remote control instruction operation;
step S2, the step of respectively processing according to the execution state of the current remote control instruction operation task and the different types of the remote control instruction specifically includes the following steps:
s2-1: judging the execution state of the current remote control instruction operation task, if the current remote control instruction operation task is in an idle state, executing the step S2-2-1, if the current remote control instruction operation task is in a waiting execution state, executing the step S2-2-2, if the current remote control instruction operation task is not in the idle state or the waiting execution state, judging that the current remote control instruction operation task is in a busy state, and turning to the step S2-2-3;
s2-2-1: judging whether the type of the current remote control instruction is a preset instruction or a direct control instruction, if so, saving the information of the current remote control instruction, and turning to the step S2-3-1, otherwise, turning to the step S2-3-2;
s2-2-2: judging whether the type of the current remote control instruction is an execution instruction or a cancel instruction, if not, directly switching to the step S2-3-2, if so, checking whether the stored remote control instruction information is consistent with the current remote control instruction information, if so, switching to the step S2-3-1, otherwise, switching to the step S2-3-2;
s2-2-3: rejecting all types of remote control instructions, waiting for the operation of the current remote control instruction to be completed, and returning to the step S2-1;
s2-3-1: converting the execution state of the current remote control instruction operation task into a busy state, and turning to the step S3;
s2-3-2: and (5) converting the execution state of the current remote control instruction operation task into an idle state, clearing the stored remote control instruction information, marking the instruction execution failure, and turning to the step S6.
2. The remote control instruction operation method of the power protection measurement and control device according to claim 1, characterized in that: the method also comprises remote control management task initialization, wherein the remote control management task initialization comprises the establishment of an actual parameter library and a logic library which correspond to each other, defining remote control needing to be provided externally in an actual parameter library, and using the remote control to enable a remote control instruction operation task to refer to relevant remote control information from the actual parameter library;
a mapping rule is formulated between an actual parameter library and a logic library, and a mapping table from a logic library reference operation object to the actual parameter library is generated according to the mapping rule;
and indexing a remote control function implementation module in the logic library, wherein the implementation module is used for enabling the remote control instruction operation task to refer to an actual operation object from the logic library.
3. The remote control instruction operation method of the power protection measurement and control device according to claim 2, characterized in that: step S3, the implementation mode of informing the bottom layer exit task is as follows: the remote control management task finds the implementation module of the operation object through the mapping table between the actual parameter library and the logic library, and transmits the remote control instruction to the bottom layer export task in a message or function calling mode.
4. The remote control instruction operation method of the power protection measurement and control device according to claim 2, characterized in that: and the step S4 is realized through a bottom layer export function, if a new remote control type appears, a new export parameter is indexed in the logic library, a corresponding export is newly added in the actual parameter library, the newly added export is added into the mapping table, and the corresponding export type is newly added in the bottom layer export function.
5. The remote control instruction operation method of the power protection measurement and control device according to claim 1, characterized in that: and S2, judging the legality through a legality checking function, and if a new requirement is met for the remote control function, adding a corresponding functional module in the legality checking function.
6. The remote control instruction operation method of the power protection measurement and control device according to claim 1, characterized in that: the method further comprises the step of initializing a remote control instruction operation task, wherein the remote control instruction operation task is initialized, the execution state of the remote control instruction operation task is divided into an idle state, a busy state and a waiting execution state, and the initial execution state is set to be the idle state.
7. The remote control instruction operation method of the power protection measurement and control device according to claim 6, characterized in that: step S5, the corresponding processing according to different types of remote control commands specifically includes:
if the current remote control instruction is a preset instruction, the execution state of the operation task of the current remote control instruction is converted into a waiting execution state, the instruction is marked to be executed successfully, and the step S6 is executed;
if the current remote control instruction is an execution instruction, a cancel instruction or a direct control instruction, the execution state of the current remote control instruction operation task is converted into an idle state, the instruction is marked to be executed successfully, and the step S6 is carried out.
8. The remote control instruction operation method of the power protection measurement and control device according to claim 1, characterized in that: and S2, judging the legality, including judging the remote local state and judging the legality of the operation object, and if the remote control command operation of the device is in the remote state and the operation object is legal, determining that the remote control command meets the legality judgment condition.
9. The remote control command operation method of the power protection measurement and control device according to any one of claims 6 to 8, characterized in that: and the step S5 also comprises the step of converting the execution state of the current remote control instruction operation task into an idle state if the remote control management task does not receive the bottom layer execution result within the preset time period, clearing the stored remote control instruction information, marking the instruction execution failure, and turning to the step S6.
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