Substation-oriented secondary cable identification system and method

Abstract

The invention belongs to the technical field of secondary cable identification, and discloses a secondary cable identification system and method for a transformer substation. Comprising the steps that the two ends of a plurality of cables are connected to a host terminal and a slave terminal respectively, and the host terminal sends corresponding pulse signals to the slave terminal through the connected cables; the slave terminal performs secondary cable initial identification on the cable according to the pulse signal sent by the host terminal; presetting final recognition binary information corresponding to each cable, and generating a corresponding final recognition binary information check code according to the preset final recognition binary information; the host terminal sends preset corresponding final identification binary information and a final identification binary information check code to the slave terminal through a corresponding cable, and the slave terminal performs secondary cable final identification according to the final identification binary information and the final identification binary information check code sent by the host terminal; therefore, the cable identification accuracy is further improved.

Description

Technical Field

[0001] The present invention relates to the technical field of secondary cable identification, and more specifically, to a secondary cable identification system and method for a substation. Background Art

[0002] The patent application publication number CN111507308A discloses a substation safety monitoring system based on video recognition technology, including a video acquisition terminal, an information management module, a behavior analysis module, and a monitoring host, wherein the information management module obtains and analyzes the work ticket information in real time, and sends the analysis results to the behavior analysis module; the behavior analysis module obtains the monitoring video of the target substation operation area, intelligently identifies the monitoring video and determines whether the operator has unsafe behavior, and sends the obtained monitoring video, work ticket information analysis information, and moving target action recognition results to the monitoring host for display and storage, so as to realize intelligent safety monitoring of the operators in the substation operation area, and can effectively improve the efficiency of the substation on-site supervision work. The present invention also proposes a substation safety monitoring method based on video recognition technology using the above-mentioned substation safety monitoring system.

[0003] However, there are still problems in the process of identifying the wire core, such as low identification efficiency and construction efficiency. It is impossible to quickly find the required wire markers among many wire marker casings, making the work difficult. There may also be the risk of finding the wrong wire marker or putting on the wrong one. The identification process and results cannot be traced and verified, and operators are prone to forgetting, which leads to the need for retesting. The testing process requires great energy and high concentration.

[0004] In view of this, the present invention proposes a substation secondary cable identification system and method to solve the above problems. Summary of the invention

[0005] In order to overcome the above-mentioned defects of the prior art and to achieve the above-mentioned purpose, the present invention provides the following technical solutions: A secondary cable identification method for a substation, comprising: S1, connecting two ends of a plurality of cables to a host terminal and a slave terminal respectively, and the host terminal sends a corresponding pulse signal to the slave terminal through the connected cables;

[0006] S2, the slave terminal performs secondary cable initial identification on the cable according to the pulse signal sent by the host terminal;

[0007] S3, presetting the final identification binary information corresponding to each cable, and generating a corresponding final identification binary information check code according to the preset final identification binary information;

[0008] S4. The host terminal sends the preset corresponding final identification binary information and the final identification binary information check code to the slave terminal through the corresponding cable, and the slave terminal performs secondary cable final identification according to the final identification binary information and the final identification binary information check code sent by the host terminal.

[0009] Furthermore, the process of connecting two ends of the plurality of cables to the host terminal and the slave terminal respectively includes:

[0010] The host terminal is provided with a plurality of cable access ports, and the slave terminal is provided with a plurality of cable access ports, and the number of the cable access ports in the host terminal is the same as the number of the cable access ports in the slave terminal;

[0011] The cable access ports in the host terminal are numbered as i, and the cable access ports in the slave terminal are numbered as j;

[0012] Connect the two ends of several cables to the cable access port in the host terminal and the cable access port in the slave terminal respectively.

[0013] Furthermore, the process of the host terminal sending a corresponding pulse signal to the slave terminal through the connected cable includes:

[0014] The binary verification information corresponding to each cable is obtained according to the label of the cable access port in the host terminal, and the pulse signal corresponding to each cable is obtained according to the binary verification information corresponding to each cable. The preset pulse signal corresponding to each cable is different. The host terminal sends the corresponding pulse signal obtained to the slave terminal through the connected cable.

[0015] Furthermore, the process of performing secondary cable initial identification on the cable by the slave terminal according to the pulse signal sent by the host terminal includes:

[0016] The slave terminal receives the pulse signal sent by the host terminal through the cable in the cable access port in the slave terminal, and compares the pulse signal received at the cable access port in the slave terminal with the pulse signal sent by the host terminal. When the comparison results are the same, the cable in the cable access port in the slave terminal and the cable in the cable access port in the host terminal are preliminarily identified as the same cable, and the secondary cable initial identification of the cable in the cable access port in the slave terminal is completed, and both ends of the cable are marked, and the same method is used to complete the secondary cable initial identification of the cables in the remaining cable access ports in the slave terminal.

[0017] Furthermore, the process of marking both ends of the cable includes:

[0018] The time when the secondary cable initial identification is completed is obtained, a marking code is obtained according to the obtained time when the secondary cable initial identification is completed, the obtained marking code is printed, and after printing, the marking code is assigned to both ends of the corresponding cable.

[0019] Furthermore, the final identification binary information corresponding to each cable is preset, and the process of generating the corresponding final identification binary information check code according to the preset final identification binary information includes:

[0020] Preset the final identification binary information corresponding to the cable according to the cable marking code:

[0021] Convert each decimal bit in the cable marking code into binary to obtain the final identification binary information corresponding to the cable;

[0022] The number of bits of the final binary information, the number of "0", the number of "1", the number of "0"s on odd and even bits, the number of "1"s, and the total number of binary numbers are obtained, which are recorded as W i 、F i , S i 、FJ i , SJ i , FP i , SP i and Z i ;

[0023] According to the number of bits of the final identification binary information, the number of "0", the number of "1", the number of "0" on the odd and even bits, the number of "1" and the sum of the binary numbers, the final identification binary information coefficient is obtained, and the final identification binary information coefficient is recorded as JY i ;

[0024] in,

[0025] The obtained final recognition binary information coefficient is converted into binary, and the converted final recognition binary information coefficient is recorded as the final recognition binary information ontology coefficient, and the number of bits of the final recognition binary information ontology coefficient is obtained, and the number of bits of the obtained final recognition binary information ontology coefficient is recorded as WS i , define a gamma process model, and obtain the final recognition binary information mutation coefficient through the defined gamma process model;

[0026] The final identification binary information body coefficient and the final identification binary information mutation coefficient are calculated, and after the calculation is completed, the final identification binary information check code is obtained;

[0027] According to the final identification binary information, the operation mode between the final identification binary information ontology coefficient and the final identification binary information mutation coefficient is obtained, the first binary in the final identification binary information is XORed with the second binary, the result of the XOR operation is XORed with the third binary, the result of the XOR operation is XORed with the fourth binary, and so on, until the XOR operation is performed with the last binary, and the result of the XOR operation with the last binary is obtained. If the result of the XOR operation with the last binary is "1", the operation mode between the final identification binary information ontology coefficient and the final identification binary information mutation coefficient is XOR operation, if the result of the XOR operation with the last binary is "0", the operation mode between the final identification binary information ontology coefficient and the final identification binary information mutation coefficient is XOR operation.

[0028] Furthermore, the process of obtaining the final recognition binary information mutation coefficient through the defined gamma process model includes:

[0029] Define the shape parameter and scale parameter of the gamma process model, record the shape parameter of the gamma process model as C, and record the scale parameter of the gamma process model as D;

[0030] The initial time interval is set according to the actual situation, and the set initial time interval is recorded as [0, t]. The set initial time interval is discretized into K time points with equal distances. At each time point, the corresponding mutation coefficient random value is generated according to the shape parameter and scale parameter of the gamma process model;

[0031] A mutation coefficient random value threshold is set according to actual conditions, and the time point corresponding to the mutation coefficient random value greater than or equal to the mutation coefficient random value threshold is recorded as a standard time point, and the first time point to the first standard time point is recorded as a time period, and the first time point after the first standard time point to the second standard time point is recorded as a time period, and so on, to obtain several time periods;

[0032] Add the mutation coefficient random values ​​corresponding to the time points and the standard time points in each time period. If the added mutation coefficient random value is not an integer, convert the added mutation coefficient random value into an integer by rounding, convert the added mutation coefficient random value into binary, and combine the mutation coefficient random values ​​converted into binary according to the time sequence to obtain the final recognition binary information initial mutation coefficient, and obtain the first WS in the final recognition binary information initial mutation coefficient. i Bit binary, the first WS in the initial mutation coefficient of the final recognition binary information obtained i The binary bit is recorded as the final identification binary information mutation coefficient.

[0033] Furthermore, the process of generating the corresponding random value of the mutation coefficient according to the shape parameter and the scale parameter of the gamma process model includes:

[0034] Define a receiving function about the shape parameter, scale parameter and random value of mutation coefficient, and record the defined receiving function as F(T, C, D), where T is the random value of mutation coefficient;

[0035] in, ε(C) is the gamma function, and e is the base of the exponential function;

[0036] The gamma function a is a dummy variable, representing any value in the integral interval (0, ∞);

[0037] Generate two uniformly distributed random numbers, denoted as PU1 and PU2, in the range of [0, 1]. If PU2 is greater than or equal to the value of F(T, C, D) at this time, T is accepted as a certain random value of the mutation coefficient, otherwise it is rejected and PU1 and PU2 are regenerated.

[0038] Furthermore, the process of the slave terminal performing the secondary cable final identification according to the final identification binary information and the final identification binary information check code sent by the host terminal includes:

[0039] The slave terminal receives the final identification binary information and the final identification binary information check code sent by the host terminal, generates a corresponding final identification binary information check code according to the received final identification binary information, records the corresponding final identification binary information check code generated according to the received final identification binary information as the final identification binary information comparison check code, compares the final identification binary information comparison check code with the corresponding final identification binary information check code received by the slave terminal, and when the comparison results are the same, the secondary cable is finally identified.

[0040] A secondary cable identification system for a substation, which is used to implement a secondary cable identification method for a substation, comprises: an initial identification module, which is used to connect the two ends of a plurality of cables to a host terminal and a slave terminal respectively, the host terminal sends a corresponding pulse signal to the slave terminal through the connected cable, and the slave terminal performs secondary cable initial identification on the cable according to the pulse signal sent by the host terminal;

[0041] An information preset module, used to preset the final identification binary information corresponding to each cable, and generate a corresponding final identification binary information check code according to the preset final identification binary information;

[0042] The final identification module is used to send the preset corresponding final identification binary information and the final identification binary information check code to the slave terminal through the corresponding cable, and the slave terminal performs secondary cable final identification according to the sent final identification binary information and the final identification binary information check code.

[0043] The technical effects and advantages of the substation secondary cable identification system and method of the present invention are as follows:

[0044] The two ends of several cables are connected to the host terminal and the slave terminal respectively. The host terminal sends a corresponding pulse signal to the slave terminal through the connected cable. The slave terminal performs secondary cable initial identification on the cable according to the pulse signal sent by the host terminal, presets the final identification binary information corresponding to each cable, generates a corresponding final identification binary information check code according to the preset final identification binary information, and the host terminal sends the preset corresponding final identification binary information and the final identification binary information check code to the slave terminal through the corresponding cable. The slave terminal performs secondary cable final identification according to the final identification binary information and the final identification binary information check code sent by the host terminal, performs secondary cable initial identification and secondary cable final identification on the cable, thereby further improving the accuracy of cable identification. Automated cable identification further improves the efficiency of secondary cable identification and line mark matching, reduces the frequency of manual inspection and testing, and reduces the work intensity of operation and maintenance personnel. By performing secondary cable initial identification and secondary cable final identification on the cable, potential cable faults can be discovered in advance and maintenance measures can be taken in time, which helps to avoid power outages and equipment damage caused by cable faults and improve power supply reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 A schematic diagram of a secondary cable identification method for a substation according to the present invention;

[0046] Figure 2 The figure is a schematic diagram of a secondary cable identification system for a substation according to the present invention. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0048] Example 1

[0049] See also Figure 1As shown, the secondary cable identification method for a substation described in this embodiment includes:

[0050] S1. Connect the two ends of several cables to the host terminal and the slave terminal respectively, and the host terminal sends a corresponding pulse signal to the slave terminal through the connected cables;

[0051] S2, the slave terminal performs secondary cable initial identification on the cable according to the pulse signal sent by the host terminal;

[0052] S3, presetting the final identification binary information corresponding to each cable, and generating a corresponding final identification binary information check code according to the preset final identification binary information;

[0053] S4. The host terminal sends the preset corresponding final identification binary information and the final identification binary information check code to the slave terminal through the corresponding cable, and the slave terminal performs secondary cable final identification according to the final identification binary information and the final identification binary information check code sent by the host terminal.

[0054] It should be further explained that, in a specific implementation process, the process of connecting the two ends of a plurality of cables to the host terminal and the slave terminal respectively includes:

[0055] The host terminal is provided with a plurality of cable access ports, and the slave terminal is provided with a plurality of cable access ports, and the number of the cable access ports in the host terminal is the same as the number of the cable access ports in the slave terminal;

[0056] The cable access ports in the host terminal are numbered as i, i=1, 2, 3, ..., n, where n is a positive integer, and the cable access ports in the slave terminal are numbered as j, j=1, 2, 3, ..., n, where n is a positive integer;

[0057] Connect the two ends of several cables to the cable access port in the host terminal and the cable access port in the slave terminal respectively.

[0058] It should be further explained that, in a specific implementation process, the process in which the host terminal sends a corresponding pulse signal to the slave terminal through the connected cable includes:

[0059] Obtaining binary verification information corresponding to each cable according to the number of the cable access port in the host terminal, obtaining a pulse signal corresponding to each cable according to the obtained binary verification information corresponding to each cable, wherein the preset pulse signal corresponding to each cable is different, and the host terminal sends the obtained corresponding pulse signal to the slave terminal through the connected cable;

[0060] For example: 20 cable access ports are set in the host terminal, and 20 cable access ports are set in the slave terminal. The binary verification information corresponding to the cable is obtained according to the label of the cable access port in the host terminal. If the label of the cable access port in the host terminal is "1", the binary verification information corresponding to the cable connected to the cable access port in the host terminal is "00001", if the label of the cable access port in the host terminal is "2", the binary verification information corresponding to the cable connected to the cable access port in the host terminal is "00010", if the label of the cable access port in the host terminal is "3", the binary verification information corresponding to the cable connected to the cable access port in the host terminal is "00011", and so on. The binary verification information corresponding to the cables connected to the remaining cable access ports is obtained, and the pulse signal corresponding to each cable is obtained according to the binary verification information corresponding to the cables connected to the cable access port in the host terminal. If the binary verification information corresponding to the cable connected to the cable access port in the host terminal is "00001", then the pulse signal corresponding to the cable connected to the cable access port in the host terminal is 10ms low level, 10ms high level, 10ms low level, 10ms high level, 10ms low level, 10ms high level, 15ms low level, 5ms high level, 15ms low level, 5ms high level, 15ms low level, 5ms high level, 5ms low level, 15ms high level, 5ms low level, 15ms high level;

[0061] If the binary verification information corresponding to the cable connected to the cable access port in the host terminal is "00010", then the pulse signal corresponding to the cable connected to the cable access port in the host terminal is 10ms low level, 10ms high level, 10ms low level, 10ms high level, 10ms low level, 10ms high level, 15ms low level, 5ms high level, 15ms low level, 5ms high level, 15ms low level, 5ms high level, 15ms low level, 5ms high level, 15ms low level, 5ms high level, 15ms low level, 5ms high level, and so on, to obtain the pulse signals corresponding to the remaining cables.

[0062] It should be further explained that, in a specific implementation process, the process of the slave terminal performing secondary cable initial identification on the cable according to the pulse signal sent by the host terminal includes:

[0063] The slave terminal receives the pulse signal sent by the host terminal through the cable in the cable access port in the slave terminal, and compares the pulse signal received at the cable access port in the slave terminal with the pulse signal sent by the host terminal. When the comparison results are the same, the cable in the cable access port in the slave terminal and the cable in the cable access port in the host terminal are preliminarily identified as the same cable, and the secondary cable initial identification of the cable in the cable access port in the slave terminal is completed, and both ends of the cable are marked, and the same method is used to complete the secondary cable initial identification of the cables in the remaining cable access ports in the slave terminal.

[0064] It should be further explained that, in the specific implementation process, the process of marking both ends of the cable includes:

[0065] The time when the secondary cable initial identification is completed is obtained, a marking code is obtained according to the obtained time when the secondary cable initial identification is completed, the obtained marking code is printed, and after printing is completed, the marking code is assigned to both ends of the corresponding cable;

[0066] For example: the time when the initial identification of the secondary cable is completed is 19:34:28 on May 18, 2024, then the cable marking code is 20240518193428, and the marking code is assigned to both ends of the corresponding cable.

[0067] It should be further explained that, in a specific implementation process, the process of presetting the final identification binary information corresponding to each cable includes:

[0068] Preset the final identification binary information corresponding to the cable according to the cable marking code:

[0069] Convert each decimal bit in the cable marking code into binary to obtain the final identification binary information corresponding to the cable;

[0070] For example, if the cable code is 20240518193428, convert "2" to "10", "0" to "0", "2" to "10", "4" to "100", "0" to "0", "5" to "101", "1" to "1", "8" to "1000", "1" to "1", "9" to "1001", "3" to "11", "4" to "100", "2" to "10", and "8" to "1000", then the final identification binary information of the cable is 100101000101110001100111100101000;

[0071] It should be further explained that, in a specific implementation process, the process of generating a corresponding final identification binary information check code according to the preset final identification binary information includes:

[0072] The number of bits of the final identification binary information is obtained, and the number of bits of the final identification binary information obtained is recorded as W i , obtain the number of "0" and "1" in the final recognition binary information, and record the number of "0" in the final recognition binary information as F i , the number of "1" in the final recognition binary information obtained is recorded as S i , add up all the binary numbers in the final recognized binary information to obtain the sum of the binary numbers, and record the sum of the binary numbers obtained as Z i , obtain the number of "0" and "1" on the odd and even bits in the final identification binary information, and record the number of "0" and "1" on the odd bits in the final identification binary information as FJ i and S.J. i , the number of "0" and the number of "1" on the even-numbered bits in the final recognition binary information are recorded as FP i and SP i According to the number of bits of the final identification binary information, the number of "0", the number of "1", the number of "0" on odd and even bits, the number of "1" and the sum of binary numbers, the final identification binary information coefficient is obtained, and the final identification binary information coefficient is recorded as JY i ;

[0073] in,

[0074] The obtained final recognition binary information coefficient is converted into binary, and the converted final recognition binary information coefficient is recorded as the final recognition binary information ontology coefficient, and the number of bits of the final recognition binary information ontology coefficient is obtained, and the number of bits of the obtained final recognition binary information ontology coefficient is recorded as WS i , define a gamma process model, and obtain the final recognition binary information mutation coefficient through the defined gamma process model;

[0075] It should be further explained that, in the specific implementation process, the process of obtaining the final recognition binary information mutation coefficient through the defined gamma process model includes:

[0076] Define the shape parameter and scale parameter of the gamma process model, record the shape parameter of the gamma process model as C, and record the scale parameter of the gamma process model as D;

[0077] The initial time interval is set according to the actual situation, and the set initial time interval is recorded as [0, t]. The set initial time interval is discretized into K time points with equal distances. At each time point, the corresponding mutation coefficient random value is generated according to the shape parameter and scale parameter of the gamma process model;

[0078] It should be further explained that, in the specific implementation process, the process of generating the corresponding random value of the mutation coefficient according to the shape parameter and scale parameter of the gamma process model includes:

[0079] Define a receiving function about the shape parameter, scale parameter and random value of mutation coefficient, and record the defined receiving function as F(T, C, D), where T is the random value of mutation coefficient;

[0080] in, ε(C) is the gamma function, and e is the base of the exponential function;

[0081] The gamma function a is a dummy variable, representing any value in the integral interval (0, ∞);

[0082] Generate two uniformly distributed random numbers, denoted as PU1 and PU2, and let If PU2 is greater than or equal to the value of F(T, C, D) at this time, then accept T as a certain random value of the mutation coefficient, otherwise reject and regenerate PU1 and PU2;

[0083] A mutation coefficient random value threshold is set according to actual conditions, and the time point corresponding to the mutation coefficient random value greater than or equal to the mutation coefficient random value threshold is recorded as a standard time point, and the first time point to the first standard time point is recorded as a time period, and the first time point after the first standard time point to the second standard time point is recorded as a time period, and so on, to obtain several time periods;

[0084] Add the mutation coefficient random values ​​corresponding to the time points and the standard time points in each time period. If the added mutation coefficient random value is not an integer, convert the added mutation coefficient random value into an integer by rounding, convert the added mutation coefficient random value into binary, and combine the mutation coefficient random values ​​converted into binary according to the time sequence to obtain the final recognition binary information initial mutation coefficient, and obtain the first WS in the final recognition binary information initial mutation coefficient. i Bit binary, the first WS in the initial mutation coefficient of the final recognition binary information obtained i The binary bit is recorded as the final recognition binary information mutation coefficient;

[0085] The final identification binary information ontology coefficient and the final identification binary information mutation coefficient are operated. After the operation is completed, the final identification binary information check code is obtained. The operation method between the final identification binary information ontology coefficient and the final identification binary information mutation coefficient is obtained according to the final identification binary information. The first binary bit in the final identification binary information is XORed with the second binary bit, the result of the XOR operation is XORed with the third binary bit, the result of the XOR operation is XORed with the fourth binary bit, and so on, until the XOR operation is performed with the last binary bit, and the result of the XOR operation with the last binary bit is obtained. If the result of the XOR operation with the last binary bit is "1", the operation method between the final identification binary information ontology coefficient and the final identification binary information mutation coefficient is XOR operation. If the result of the XOR operation with the last binary bit is "0", the operation method between the final identification binary information ontology coefficient and the final identification binary information mutation coefficient is XOR operation.

[0086] It should be further explained that, in the specific implementation process, the process of the slave terminal performing the secondary cable final identification according to the final identification binary information and the final identification binary information check code sent by the host terminal includes:

[0087] The slave terminal receives the final identification binary information and the final identification binary information check code sent by the host terminal, generates a corresponding final identification binary information check code according to the received final identification binary information, records the corresponding final identification binary information check code generated according to the received final identification binary information as the final identification binary information comparison check code, compares the final identification binary information comparison check code with the corresponding final identification binary information check code received by the slave terminal, and when the comparison results are the same, the secondary cable is finally identified.

[0088] In this embodiment, the cables are initially identified as secondary cables and finally identified as secondary cables, thereby further improving the accuracy of cable identification. Automated cable identification further improves the efficiency of secondary cable identification and line mark matching, reduces the frequency of manual inspections and tests, and reduces the workload of operation and maintenance personnel. By performing initial identification of secondary cables and final identification of secondary cables, potential cable faults can be discovered in advance and maintenance measures can be taken in a timely manner, which helps to avoid power outages and equipment damage caused by cable faults and improve power supply reliability.

[0089] Example 2

[0090] See also Figure 2 As shown, the part not described in detail in this embodiment is described in Example 1, which provides a secondary cable identification system for a substation, including:

[0091] The initial identification module is used to connect the two ends of several cables to the host terminal and the slave terminal respectively. The host terminal sends a corresponding pulse signal to the slave terminal through the connected cable, and the slave terminal performs secondary cable initial identification on the cable according to the pulse signal sent by the host terminal;

[0092] An information preset module, used to preset the final identification binary information corresponding to each cable, and generate a corresponding final identification binary information check code according to the preset final identification binary information;

[0093] The final identification module is used to send the preset corresponding final identification binary information and the final identification binary information check code to the slave terminal through the corresponding cable, and the slave terminal performs secondary cable final identification according to the sent final identification binary information and the final identification binary information check code.

[0094] Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed in the present invention can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of the present invention.

[0095] In the several embodiments provided by the present invention, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic, for example, the division of the units is only one, and there may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0096] The above description is only a specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

[0097] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A secondary cable identification method for a substation, characterized in that: include: S1. Connect the two ends of several cables to the host terminal and the slave terminal respectively, and the host terminal sends a corresponding pulse signal to the slave terminal through the connected cables; S2, the slave terminal performs secondary cable initial identification on the cable according to the pulse signal sent by the host terminal; S3, presetting the final identification binary information corresponding to each cable, and generating a corresponding final identification binary information check code according to the preset final identification binary information; S4. The host terminal sends the preset corresponding final identification binary information and the final identification binary information check code to the slave terminal through the corresponding cable, and the slave terminal performs secondary cable final identification according to the final identification binary information and the final identification binary information check code sent by the host terminal.

2. A method for identifying secondary cables in a substation according to claim 1, characterized in that: The process of connecting the two ends of several cables to the host terminal and the slave terminal respectively includes: The host terminal is provided with a plurality of cable access ports, and the slave terminal is provided with a plurality of cable access ports, and the number of the cable access ports in the host terminal is the same as the number of the cable access ports in the slave terminal; The cable access ports in the host terminal are numbered as i, and the cable access ports in the slave terminal are numbered as j; Connect the two ends of several cables to the cable access port in the host terminal and the cable access port in the slave terminal respectively.

3. A method for identifying secondary cables in a substation according to claim 2, characterized in that: The process of the host terminal sending the corresponding pulse signal to the slave terminal through the connected cable includes: The binary verification information corresponding to each cable is obtained according to the label of the cable access port in the host terminal, and the pulse signal corresponding to each cable is obtained according to the binary verification information corresponding to each cable. The preset pulse signal corresponding to each cable is different. The host terminal sends the corresponding pulse signal obtained to the slave terminal through the connected cable.

4. A method for identifying secondary cables in a substation according to claim 3, characterized in that: The process of the slave terminal performing secondary cable initial identification on the cable according to the pulse signal sent by the host terminal includes: The slave terminal receives the pulse signal sent by the host terminal through the cable in the cable access port in the slave terminal, and compares the pulse signal received at the cable access port in the slave terminal with the pulse signal sent by the host terminal. When the comparison results are the same, the cable in the cable access port in the slave terminal and the cable in the cable access port in the host terminal are preliminarily identified as the same cable, and the secondary cable initial identification of the cable in the cable access port in the slave terminal is completed, and both ends of the cable are marked, and the same method is used to complete the secondary cable initial identification of the cables in the remaining cable access ports in the slave terminal.

5. A method for identifying secondary cables in a substation according to claim 4, characterized in that: The process of marking both ends of the cable includes: The time when the secondary cable initial identification is completed is obtained, a marking code is obtained according to the obtained time when the secondary cable initial identification is completed, the obtained marking code is printed, and after printing, the marking code is assigned to both ends of the corresponding cable.

6. A method for identifying secondary cables in a substation according to claim 5, characterized in that: The process of presetting the final identification binary information corresponding to each cable and generating the corresponding final identification binary information check code according to the preset final identification binary information includes: Preset the final identification binary information corresponding to the cable according to the cable marking code: Convert each decimal bit in the cable marking code into binary to obtain the final identification binary information corresponding to the cable; The number of bits of binary information, the number of "0", the number of "1", the number of "0" and "1" on odd and even positions, and the total number of binary numbers are obtained and recorded as W i 、F i , S i 、FJ i , SJ i , FP i , SP i and Z i ; According to the number of bits of the final identification binary information, the number of "0", the number of "1", the number of "0" on odd and even bits, the number of "1" and the sum of binary numbers, the final identification binary information coefficient is obtained, and the final identification binary information coefficient is recorded as JY i ; in, ; The obtained final recognition binary information coefficient is converted into binary, and the converted final recognition binary information coefficient is recorded as the final recognition binary information ontology coefficient, and the number of bits of the final recognition binary information ontology coefficient is obtained, and the number of bits of the obtained final recognition binary information ontology coefficient is recorded as WS i , define a gamma process model, and obtain the final recognition binary information mutation coefficient through the defined gamma process model; The final identification binary information body coefficient and the final identification binary information mutation coefficient are calculated, and after the calculation is completed, the final identification binary information check code is obtained; According to the final identification binary information, the operation mode between the final identification binary information ontology coefficient and the final identification binary information mutation coefficient is obtained, the first binary in the final identification binary information is XORed with the second binary, the result of the XOR operation is XORed with the third binary, the result of the XOR operation with the third binary is XORed with the fourth binary, and so on, until the XOR operation is performed with the last binary, and the result of the XOR operation with the last binary is obtained. If the result of the XOR operation with the last binary is "1", the operation mode between the final identification binary information ontology coefficient and the final identification binary information mutation coefficient is XOR operation, if the result of the XOR operation with the last binary is "0", the operation mode between the final identification binary information ontology coefficient and the final identification binary information mutation coefficient is XOR operation.

7. A method for identifying secondary cables in a substation according to claim 6, characterized in that: The process of obtaining the final recognition binary information mutation coefficient through the defined gamma process model includes: Define the shape parameter and scale parameter of the gamma process model, record the shape parameter of the gamma process model as C, and record the scale parameter of the gamma process model as D; The initial time interval is set according to the actual situation, and the set initial time interval is recorded as [0, t]. The set initial time interval is discretized into K time points with equal distances. At each time point, the corresponding mutation coefficient random value is generated according to the shape parameter and scale parameter of the gamma process model; A mutation coefficient random value threshold is set according to actual conditions, and the time point corresponding to the mutation coefficient random value greater than or equal to the mutation coefficient random value threshold is recorded as a standard time point, and the first time point to the first standard time point is recorded as a time period, and the first time point after the first standard time point to the second standard time point is recorded as a time period, and so on, to obtain several time periods; Add the mutation coefficient random values ​​corresponding to the time points and the standard time points in each time period. If the added mutation coefficient random value is not an integer, convert the added mutation coefficient random value into an integer by rounding, convert the added mutation coefficient random value into binary, and combine the mutation coefficient random values ​​converted into binary according to the time sequence to obtain the final recognition binary information initial mutation coefficient, and obtain the first WS in the final recognition binary information initial mutation coefficient. i Bit binary, the first WS in the initial mutation coefficient of the final recognition binary information obtained i The binary bit is recorded as the final identification binary information mutation coefficient.

8. A method for identifying secondary cables in a substation according to claim 7, characterized in that: The process of generating the corresponding random value of the mutation coefficient according to the shape parameter and scale parameter of the gamma process model includes: Define a receiving function for the random value of the shape parameter, the scale parameter and the mutation coefficient, and record the defined receiving function as F(T, C, D), where T is the random value of the mutation coefficient; in, ; is the gamma function, e is the base of the exponential function; The gamma function ; a is a dummy variable, representing the integration interval Generate two uniformly distributed random numbers, denoted as PU1 and PU2, in the range of [0,1]. If PU2 is greater than or equal to the value of F(T, C, D) at this time, then accept T as a certain random value of the mutation coefficient, otherwise reject and regenerate PU1 and PU2.

9. A method for identifying secondary cables in a substation according to claim 8, characterized in that: The process of the slave terminal performing the final identification of the secondary cable according to the final identification binary information and the final identification binary information check code sent by the host terminal includes: The slave terminal receives the final identification binary information and the final identification binary information check code sent by the host terminal, generates a corresponding final identification binary information check code according to the received final identification binary information, records the corresponding final identification binary information check code generated according to the received final identification binary information as the final identification binary information comparison check code, compares the final identification binary information comparison check code with the corresponding final identification binary information check code received by the slave terminal, and when the comparison results are the same, the secondary cable is finally identified.

10. A substation secondary cable identification system, used to implement a substation secondary cable identification method according to any one of claims 1 to 9, characterized in that: include: The initial identification module is used to connect the two ends of several cables to the host terminal and the slave terminal respectively. The host terminal sends a corresponding pulse signal to the slave terminal through the connected cable, and the slave terminal performs secondary cable initial identification on the cable according to the pulse signal sent by the host terminal; An information preset module, used to preset the final identification binary information corresponding to each cable, and generate a corresponding final identification binary information check code according to the preset final identification binary information; The final identification module is used to send the preset corresponding final identification binary information and the final identification binary information check code to the slave terminal through the corresponding cable, and the slave terminal performs secondary cable final identification according to the sent final identification binary information and the final identification binary information check code.

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