Anti-misoperation locking strategy confirmation method based on numerical calculation

Abstract

The invention relates to an anti-misoperation locking strategy confirmation method based on numerical calculation, and the method comprises the steps: S1, carrying out the precondition agreement, and generating an anti-misoperation correlation scale and an anti-misoperation state scale related to equipment; s2, anti-error logic input: carrying out database input on the anti-error related scale and the anti-error state scale; and S3, anti-error verification is completed, a corresponding state value is calculated according to the anti-error correlation scale of the operation content, the state value is compared with a set value of the anti-error state scale, and anti-error verification is completed. According to the method, the current equipment state can be accurately matched, the method can be expanded, the reliability of barrier gate operation is improved, and the universality of anti-error verification is improved; the operation is simple and convenient, the tedious procedure approval can be avoided, the operation convenience is improved, and the anti-error verification accuracy and reliability are high.

Description

Technical Field

[0001] The invention belongs to the technical field of a substation gate anti-mistaken locking system, and in particular relates to a method for confirming an anti-mistaken locking strategy based on numerical calculation. Background Art

[0002] The anti-error interlocking system verifies the rationality of the steps in the substation switching operation ticket through the logic verification of the substation switching operation ticket. At present, the verification logic of the anti-error interlocking device is completed once the substation expansion is completed. Since it is difficult to predict all the operation modes encountered during operation, and there are conflicts between the states of some equipment in each operation mode, the anti-error verification logic has certain limitations during operation.

[0003] Take the anti-mistaken locking strategy of busbar switch in double busbar connection mode as an example. Figure 1 As shown, taking 2211-4 knife switch as an example, the existing logics are: (0 is open, 1 is closed)

[0004] Closing 2211-4 knife switch line to supply power: 2211-4 closing conditions: 2211==0, 2211-5==0, 2211-2==0, 220-4A7==0, 2211-47==0, 2211-27==0, 2211-17==0;

[0005] Closing 2211-4 circuit breaker without power outage and busbar reversal: 2211-4 closing conditions: 2211==1, 2211-4==0, 2211-5==1, 2211-2==1, 2245A==1, 2245A-4==1, 2245A-5==1;

[0006] 3. Close 2211-4 knife switch to cut off power supply and reverse busbar: 2211-4 closing conditions: 2211==0, 2211-4==0, 2211-5==1, 2211-2==0, 2245A==1, 2245A-4==1, 2245A-5==1;

[0007] In the above case, "2211-4 switch is closed, the line is powered off and the bus is reversed" only exists when the line on this side is shut down, and there are logical differences between "2211-4 switch is closed, the line is powered off and the bus is reversed" and "the line is not powered off and the bus is reversed", and they are difficult to be compatible.

[0008] Therefore, the site usually combines "closing 2211-4 knife switch to supply power to the line" and "closing 2211-4 knife switch, the line does not shut down and the busbar is switched" into the anti-error logic. It is difficult to take into account the operation of "closing 2211-4 knife switch, shutting down the line and switching the busbar". When encountering such operations on site, it is necessary to go through the approval procedures according to the unlocking process and then operate, which reduces the reliability of the switching operation. Summary of the invention

[0009] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a method for confirming an anti-mistake locking strategy based on numerical calculation, which can accurately match the current device status and be expandable, thereby improving the reliability of barrier operation and the versatility of anti-mistake verification.

[0010] The present invention solves the technical problem by the following technical solutions:

[0011] A method for confirming an anti-mislocking strategy based on numerical calculation, the method comprises the following steps:

[0012] S1. Make a prerequisite agreement and generate an error prevention related scale and error prevention status scale related to the equipment;

[0013] S2, error prevention logic entry, enter the above error prevention related scale and error prevention state scale into the database;

[0014] S3. Complete the error prevention check, calculate the corresponding state value according to the error prevention related scale of the operation content, compare the state value with the set value of the error prevention state scale, and complete the error prevention check.

[0015] Moreover, the S1 is specifically:

[0016] S11, all the information involved in preventing mis-locking in the whole station is arranged in order to generate a unique information table;

[0017] S12. For a certain operation Sn of any device S, two sets of tables related thereto are generated, including an anti-error related quantity table and an anti-error state quantity table. The anti-error related quantity table indicates whether the remote signal in the information table participates in this anti-error calculation; the anti-error state quantity table is composed of the anti-error related quantities in the information table;

[0018] S13, the numerical value of the error prevention related quantity table is composed of a binary number, and according to the hexadecimal number calculation rule, the first line is the lowest bit and the last line is the highest bit, and the numerical value of the error prevention related quantity is calculated as An;

[0019] S14. The numerical value of the error prevention state quantity table is composed of binary numbers. According to the hexadecimal number calculation rule, the first line is the lowest bit and the last line is the highest bit. The numerical value of the error prevention related state quantity is calculated as Bn.

[0020] Moreover, the S2 is specifically:

[0021] S21, add operation content;

[0022] S22, select the error prevention related quantity of this operation, check whether the error prevention related quantity value is correct, if it is correct, proceed to the next step, if it is not correct, return to check;

[0023] S23. Set the anti-error status value telesignal value for this operation, and check whether the anti-error status value is correct. If correct, save it to the database; if incorrect, return to the previous step.

[0024] Moreover, the error prevention related quantity and the error prevention state quantity have several values.

[0025] Moreover, the S3 is specifically:

[0026] S31. When simulating an operation ticket, click on the device to be operated to start the device;

[0027] S32, select the switching operation type;

[0028] S33, the error prevention system reads the error related quantity table An of the equipment being operated this time and calculates the state value Cn composed of the current real-time values ​​of all related quantities;

[0029] S34, the error prevention system compares the calculated state value Cn with the preset value Bn. If they are consistent, it indicates that the verification is correct. If they are inconsistent, it indicates that the verification is wrong and the inconsistent items are prompted, thus completing the error prevention verification.

[0030] The advantages and beneficial effects of the present invention are:

[0031] 1. The present invention can accurately match the current equipment status and is expandable, thereby improving the reliability of gate operation and the versatility of preventing mischecks.

[0032] 2. The present invention is simple and convenient to operate, can avoid cumbersome procedures and approvals, improves operational convenience, and has high anti-mischeck accuracy and strong reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a double busbar wiring diagram of the busbar knife switch anti-mislocking strategy of the present invention;

[0034] Figure 2 It is a flow chart for error prevention logic entry of the present invention;

[0035] Figure 3 This is a flow chart of the anti-error verification of the present invention. DETAILED DESCRIPTION

[0036] The present invention is further described in detail below through specific examples. The following examples are only illustrative and not restrictive, and the protection scope of the present invention cannot be limited thereto.

[0037] A method for confirming an anti-mistaken locking strategy based on numerical calculation, the innovation of which lies in: the steps of the method are:

[0038] S1. Make a prerequisite agreement and generate an error prevention related scale and error prevention status scale related to the equipment;

[0039] S11, all the information involved in preventing mis-locking in the whole station is arranged in order to generate a unique information table;

[0040] S12. For a certain operation Sn of any device S, two sets of tables related thereto are generated, including an anti-error related quantity table and an anti-error state quantity table. The anti-error related quantity table indicates whether the remote signal in the information table participates in this anti-error calculation; the anti-error state quantity table is composed of the anti-error related quantities in the information table;

[0041] S13, the numerical value of the error prevention related quantity table is composed of a binary number, and according to the hexadecimal number calculation rule, the first line is the lowest bit and the last line is the highest bit, and the numerical value of the error prevention related quantity is calculated as An;

[0042] S14. The numerical value of the error prevention state quantity table is composed of binary numbers. According to the hexadecimal number calculation rule, the first line is the lowest bit and the last line is the highest bit. The numerical value of the error prevention related state quantity is calculated as Bn.

[0043] S2, error prevention logic entry, enter the above error prevention related scale and error prevention state scale into the database;

[0044] S21, add operation content;

[0045] S22, select the error prevention related quantity of this operation, check whether the error prevention related quantity value is correct, if it is correct, proceed to the next step, if it is not correct, return to check;

[0046] S23. Set the anti-error status value telesignal value for this operation, and check whether the anti-error status value is correct. If correct, save it to the database; if incorrect, return to the previous step.

[0047] Moreover, the error prevention related quantity and the error prevention state quantity have several values.

[0048] S3, complete the error prevention check, calculate the corresponding state value according to the error prevention related scale of the operation content, compare the state value with the set value of the error prevention state scale, and complete the error prevention check;

[0049] S31. When simulating an operation ticket, click on the device to be operated to start the device;

[0050] S32, select the switching operation type;

[0051] S33, the error prevention system reads the error related quantity table An of the equipment being operated this time and calculates the state value Cn composed of the current real-time values ​​of all related quantities;

[0052] S34, the error prevention system compares the calculated state value Cn with the preset value Bn. If they are consistent, it indicates that the verification is correct. If they are inconsistent, it indicates that the verification is wrong and the inconsistent items are prompted, thus completing the error prevention verification.

[0053] The present invention Figure 1 Taking the double busbar connection mode as an example, the anti-error locking strategy confirmation based on numerical calculation is completed. The recorded anti-error related quantities and anti-error state quantities are shown in Table 1.

[0054] In Table 1, the first row is about the operation task of 2211-4; the first column is all the telesignal quantities involved in preventing false locking; the second column is the quantity related to the operation task of "closing the 2211-4 knife switch line to transmit power". Set 1 for related, set 0 for irrelevant; the third column is the state value of the quantity related to the operation task of "closing the 2211-4 knife switch line to transmit power". Set 1 for closed position, set 0 for open position; the fourth and fifth columns are "closing the 2211-4 knife switch line without power outage and busbar reversal"; the sixth and seventh columns are the quantity and state quantity related to "closing the 2211-4 knife switch line without power outage and busbar reversal".

[0055]

[0056]

[0057] Anti-mischeck process:

[0058] 1. When simulating the operation ticket, click 2211-4 knife switch.

[0059] 2. Select the switching operation type, "Close 2211-4 knife switch line to supply power"

[0060] 3. The anti-error system reads the relevant scale as "107F" and calculates the status value C1 composed of the current real-time values ​​of all relevant quantities according to the relevant scale.

[0061] 4. The error prevention system compares the calculated state value C1 with the preset value "00";

[0062] 5. Output the results. If they are consistent, the verification is successful. If they are inconsistent, the specific inconsistent items are prompted.

[0063] Although the embodiments and drawings of the present invention are disclosed for illustrative purposes, those skilled in the art will appreciate that various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the scope of the present invention is not limited to the contents disclosed in the embodiments and drawings.

Claims

1. A method for confirming an anti-mistaken locking strategy based on numerical calculation, characterized in that: The steps of the method are: S1. Make a prerequisite agreement and generate an error prevention related scale and error prevention status scale related to the equipment; S2, error prevention logic entry, enter the above error prevention related scale and error prevention state scale into the database; S3. Complete the error prevention check, calculate the corresponding state value according to the error prevention related scale of the operation content, compare the state value with the set value of the error prevention state scale, and complete the error prevention check.

2. The method for confirming the anti-mistaken locking strategy based on numerical calculation according to claim 1, characterized in that: The S1 is specifically: S11, all the information involved in preventing mis-locking in the whole station is arranged in order to generate a unique information table; S12. For a certain operation Sn of any device S, two sets of tables related thereto are generated, including an anti-error related quantity table and an anti-error state quantity table. The anti-error related quantity table indicates whether the remote signal in the information table participates in this anti-error calculation; the anti-error state quantity table is composed of the anti-error related quantities in the information table; S13, the numerical value of the error prevention related quantity table is composed of a binary number, and according to the hexadecimal number calculation rule, the first line is the lowest bit and the last line is the highest bit, and the numerical value of the error prevention related quantity is calculated as An; S14. The numerical value of the error prevention state quantity table is composed of binary numbers. According to the hexadecimal number calculation rule, the first line is the lowest bit and the last line is the highest bit. The numerical value of the error prevention related state quantity is calculated as Bn.

3. The method for confirming the anti-mistaken locking strategy based on numerical calculation according to claim 1, characterized in that: The S2 is specifically: S21, add operation content; S22, select the error prevention related quantity of this operation, check whether the error prevention related quantity value is correct, if it is correct, proceed to the next step, if it is not correct, return to check; S23. Set the anti-error status value telesignal value for this operation, and check whether the anti-error status value is correct. If correct, save it to the database; if incorrect, return to the previous step.

4. The method for confirming the anti-mistaken locking strategy based on numerical calculation according to claim 3 is characterized in that: The error prevention related quantity and error prevention state quantity have several values.

5. The method for confirming the anti-mistaken locking strategy based on numerical calculation according to claim 1, characterized in that: The S3 is specifically: S31. When simulating an operation ticket, click on the device to be operated to start the device; S32, select the switching operation type; S33, the error prevention system reads the error related quantity table An of the equipment being operated this time and calculates the state value Cn composed of the current real-time values ​​of all related quantities; S34, the error prevention system compares the calculated state value Cn with the preset value Bn. If they are consistent, it indicates that the verification is correct. If they are inconsistent, it indicates that the verification is wrong and the inconsistent items are prompted, thus completing the error prevention verification.

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