Ring main unit cable joint state judgment method

[0042] Example 1:

[0043] like figure 1Below:

[0044] S101, data collection terminal current collecting cable splice signal and the temperature signal, and transmitted to the monitoring terminal;

[0045] Collecting data collection terminal cable splice first current signal, the second current signal, the third current signal ...... N-th current signal, and transmitted to the monitoring terminal; data collection terminal a first temperature signal acquisition cable joint, the second temperature signal, the first ...... three temperature signals of the temperature signals N, and transmitted to the monitoring terminal; a first current signal corresponding to a first temperature signal, a second signal corresponding to a second current temperature signal, the third current signal corresponding to the temperature of the third N-th current signal ...... The first temperature signal corresponding to N signal.

[0046] S102, the terminal receives the monitoring data acquisition current and temperature signals transmitted by the terminal, and a current - searching for the same current signal from the temperature in the database;

[0047] Current monitoring terminal receives a first signal transmitted data collection terminal, a second current signal, a third current signal ...... N-th current signal; monitoring terminal receiving a first temperature signal transmitted data collection terminal, a second temperature signal, the third temperature N-th signal ...... temperature signal; a current monitoring terminal - the same current temperature signal searches the database with the first current signal, current monitoring terminal - the same current temperature signal and searches the database for a second current signal, a current monitoring terminal - search the same database in the third current signal of the temperature monitoring current terminal of the current signal ...... - N-th current signal with the search the same database current temperature signal.

[0048] S103, the temperature signal of the temperature signal and searching for the same current signal corresponding to the acquired temperature difference signal is calculated;

[0049] Current monitoring terminal - temperature database searches same current of the first current signal, a first temperature signal, and searching for the first signal current signal corresponding to the same current temperature signal calculated temperature difference signal, a first temperature difference signal value; a current monitoring terminal - the same current temperature signal and searches the database for a second current signal, the second temperature signal and the second current signal search signal corresponding to the same current temperature signal calculated temperature difference signal, a second temperature a difference signal; a current monitoring terminal - the same current temperature signal and searches the database for a third current signal, a third temperature signal, and the third current signal search signal corresponding to the same current temperature signal calculated temperature difference signal, for the first ...... three temperature difference signal current monitoring terminal - search and the N current signals of the same current signal, temperature signal and the N-th N-th current search signal corresponding to the same current signal signals a temperature difference between a temperature signal calculated temperature database , N for the first temperature difference signal.

[0050] S104, in unit time, if the temperature difference signal is continuously less than the first temperature difference threshold, it is determined to be normal;

[0051] In a unit time, when the difference between the first temperature signal, the second temperature difference signal, a third plurality of successive temperature difference signal ...... temperature difference signal N of the temperature difference signal is less than a first temperature difference threshold value, the monitoring terminal is determined to be normal.

[0052] S105, the terminal displays the monitoring cable connector normal temperature difference signal;

[0053] Monitoring terminal is determined to be normal, the monitoring terminal displays a normal temperature signal cable connector.

[0054] Example 2:

[0055] like figure 2 Below:

[0056] S201, data collection terminal current collecting cable splice signal and the temperature signal, and transmitted to the monitoring terminal;

[0057] Collecting data collection terminal cable splice first current signal, the second current signal, the third current signal ...... N-th current signal, and transmitted to the monitoring terminal; data collection terminal a first temperature signal acquisition cable joint, the second temperature signal, the first ...... three temperature signals of the temperature signals N, and transmitted to the monitoring terminal; a first current signal corresponding to a first temperature signal, a second signal corresponding to a second current temperature signal, the third current signal corresponding to the temperature of the third N-th current signal ...... The first temperature signal corresponding to N signal.

[0058] S202, the terminal receives the monitoring data acquisition current and temperature signals transmitted by the terminal, and a current - searching for the same current signal from the temperature in the database;

[0059] Current monitoring terminal receives a first signal transmitted data collection terminal, a second current signal, a third current signal ...... N-th current signal; monitoring terminal receiving a first temperature signal transmitted data collection terminal, a second temperature signal, the third temperature N-th signal ...... temperature signal; a current monitoring terminal - the same current temperature signal searches the database with the first current signal, current monitoring terminal - the same current temperature signal and searches the database for a second current signal, a current monitoring terminal - search the same database in the third current signal of the temperature monitoring current terminal of the current signal ...... - N-th current signal with the search the same database current temperature signal.

[0060] S203, the temperature signal of the temperature signal and searching for the same current signal corresponding to the acquired temperature difference signal is calculated;

[0061] Current monitoring terminal - temperature database searches same current of the first current signal, a first temperature signal, and searching for the first signal current signal corresponding to the same current temperature signal calculated temperature difference signal, a first temperature difference signal value; a current monitoring terminal - the same current temperature signal and searches the database for a second current signal, the second temperature signal and the second current signal search signal corresponding to the same current temperature signal calculated temperature difference signal, a second temperature a difference signal; a current monitoring terminal - the same current temperature signal and searches the database for a third current signal, a third temperature signal, and the third current signal search signal corresponding to the same current temperature signal calculated temperature difference signal, for the first ...... three temperature difference signal current monitoring terminal - search and the N current signals of the same current signal, temperature signal and the N-th N-th current search signal corresponding to the same current signal signals a temperature difference between a temperature signal calculated temperature database , N for the first temperature difference signal.

[0062] S204, in unit time, if the temperature difference signal is greater than or equal to a first continuous temperature difference between the second threshold and less than the temperature difference threshold value, determines that minor anomalies;

[0063] In a unit time, when the first temperature difference signal, the second temperature difference signal, a third plurality of successive temperature difference signal ...... temperature difference signal of a temperature difference signal N is equal to or greater than the first temperature the difference between the second threshold and less than the temperature difference threshold value, the terminal determines to monitor minor anomalies.

[0064] S205, the terminal displays the monitoring cable connector minor anomalies temperature difference signal;

[0065] Monitoring terminal is determined as minor anomalies, monitoring temperature signal cable connector terminal displays minor anomalies.

[0066] Example III:

[0067] like image 3 Below:

[0068] S301,, data collection terminal current collecting cable splice signal and the temperature signal, and transmitted to the monitoring terminal;

[0069] Collecting data collection terminal cable splice first current signal, the second current signal, the third current signal ...... N-th current signal, and transmitted to the monitoring terminal; data collection terminal a first temperature signal acquisition cable joint, the second temperature signal, the first ...... three temperature signals of the temperature signals N, and transmitted to the monitoring terminal; a first current signal corresponding to a first temperature signal, a second signal corresponding to a second current temperature signal, the third current signal corresponding to the temperature of the third N-th current signal ...... The first temperature signal corresponding to N signal.

[0070] S302, the terminal receives the monitoring data acquisition current and temperature signals transmitted by the terminal, and a current - searching for the same current signal from the temperature in the database;

[0071] Current monitoring terminal receives a first signal transmitted data collection terminal, a second current signal, a third current signal ...... N-th current signal; monitoring terminal receiving a first temperature signal transmitted data collection terminal, a second temperature signal, the third temperature N-th signal ...... temperature signal; a current monitoring terminal - the same current temperature signal searches the database with the first current signal, current monitoring terminal - the same current temperature signal and searches the database for a second current signal, a current monitoring terminal - search the same database in the third current signal of the temperature monitoring current terminal of the current signal ...... - N-th current signal with the search the same database current temperature signal.

[0072] S303, the temperature signal of the temperature signal and searching for the same current signal corresponding to the acquired temperature difference signal is calculated;

[0073] Current monitoring terminal - temperature database searches same current of the first current signal, a first temperature signal, and searching for the first signal current signal corresponding to the same current temperature signal calculated temperature difference signal, a first temperature difference signal value; a current monitoring terminal - the same current temperature signal and searches the database for a second current signal, the second temperature signal and the second current signal search signal corresponding to the same current temperature signal calculated temperature difference signal, a second temperature a difference signal; a current monitoring terminal - the same current temperature signal and searches the database for a third current signal, a third temperature signal, and the third current signal search signal corresponding to the same current temperature signal calculated temperature difference signal, for the first ...... three temperature difference signal current monitoring terminal - search and the N current signals of the same current signal, temperature signal and the N-th N-th current search signal corresponding to the same current signal signals a temperature difference between a temperature signal calculated temperature database , N for the first temperature difference signal.

[0074] S304,, in unit time, if the temperature difference signal is greater than or equal to a second continuous temperature difference threshold, it is determined as abnormal is very serious;

[0075] In a unit time, when the first temperature difference signal, the second temperature difference signal, a third plurality of successive temperature difference signal ...... temperature difference signal of a temperature difference signal N is equal to or greater than the second temperature difference threshold, the monitoring terminal is determined to be very severely abnormal.

[0076] S305, the terminal displays the monitoring cable connector serious abnormal temperature difference signal;

[0077] Monitoring is determined as serious abnormal terminal, the terminal display monitor cable connector is severely abnormal temperature signal.