CN102662130A - Underground cable joint management system and method - Google Patents
Underground cable joint management system and method Download PDFInfo
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- CN102662130A CN102662130A CN2012101833189A CN201210183318A CN102662130A CN 102662130 A CN102662130 A CN 102662130A CN 2012101833189 A CN2012101833189 A CN 2012101833189A CN 201210183318 A CN201210183318 A CN 201210183318A CN 102662130 A CN102662130 A CN 102662130A
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- 238000012423 maintenance Methods 0.000 description 10
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- 238000002788 crimping Methods 0.000 description 2
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Abstract
The invention provides an underground cable joint management system which comprises a first terminal and a second terminal, wherein the first terminal is used for acquiring the temperature of an underground cable joint and generating and transmitting report information to the second terminal when preset trigger conditions are met, wherein the report information comprises the temperature of the underground cable joint and a corresponding underground cable joint identifier; and the second terminal is used for receiving the report information transmitted by the first terminal and performing monitoring and early warning according to the report information. The invention provides an underground cable joint management method, so that the position of the underground cable joint can be accurately found, the underground cable joint is monitored and easily maintained, the safety of the underground cable is improved, and the municipal cost is saved.
Description
Technical Field
The invention relates to the field of power equipment management, in particular to an underground cable joint management system and method.
Background
With the transformation of urban and rural power grids, the use of electric power is rapidly increasing. Compared with the overhead line, the cable line has the advantages of less influence of external environment, safety, reliability, concealment and durability. Therefore, underground cables are increasingly used. Particularly, from the transformation of urban and rural power grids, the cabling of industrial and mining enterprises, landscape streets of towns, high-rise buildings and the like is generally realized. In recent years, the speed of cable lines has increased very rapidly, and overhead distribution lines that are dense like spider webs are gradually replaced by underground cables.
In an underground cable line, due to the fact that the length of a single cable is limited and distributed capacitance exists when the cable is long, induced voltage at two ends of the cable is too large, and when the distance of power supply is long, an intermediate joint inevitably occurs. The intermediate joint of the cable is the weakest link in the safe operation of a power system, and is influenced by poor performance of an insulating material, imperfect manufacturing process and the like, and the limitation of the crimping quality of the intermediate joint of the cable, so that the joint is more prone to overheating and burning-through accidents when the operation time is longer. Meanwhile, after a period of heavy current (overload) operation, overheating and oxidation are generated at the crimping point, the contact resistance is gradually increased, the temperature of the contact point is gradually increased, insulation aging is caused, and finally the insulation layer is damaged to cause accidents. In order to prevent the occurrence of cable fire, the temperature monitoring of a cable joint needs to be enhanced during operation, a fault point is judged in time, and the fault is eliminated in a bud state.
Therefore, after the cable is laid, when the temperature of the cable joint is too high, whether a worker can quickly and accurately find out the cable joint with an accident during maintenance or not is judged, hidden dangers are found in time, and the method is very important for safe operation of a power system.
At present, after a power cable is built, when the temperature of a cable joint is too high, operation and maintenance personnel generally search an underground cable joint by virtue of experience and drawings, and an accurate cable joint positioning means is lacked; once a cable splice or cable corridor is covered by municipal construction work, it is very difficult for operational maintenance personnel to locate the cable again. Even if the existing underground pipeline detection equipment is adopted, the underground pipeline detection equipment is influenced by nearby metal objects, a strong electric field environment and various surrounding conditions, and the accuracy cannot meet the requirement.
Disclosure of Invention
The invention aims to provide an underground cable joint management system which can accurately search the position of an underground cable joint; the underground cable connector is monitored, maintenance is easy, safety of the underground cable is improved, and municipal cost is saved.
An underground cable splice management system comprising: a first terminal and a second terminal; wherein,
the first terminal is used for collecting the temperature of the underground cable joint, generating a report message and transmitting the report message to the second terminal when a preset trigger condition is reached; wherein the reporting message includes: the temperature of the underground cable joint and the corresponding underground cable joint identification;
and the second terminal is used for receiving the report message transmitted by the first terminal and carrying out monitoring and early warning according to the report message.
The first terminal is arranged at the underground cable joint and used for collecting the temperature of the underground cable joint, and when a preset trigger condition is reached, a report message comprising the temperature of the underground cable joint and an underground cable joint identifier is generated and sent to the second terminal; after receiving the report message, the second terminal carries out monitoring and early warning, and carries out underground cable joint monitoring according to the report message, so that the underground cable joint monitoring is easy to maintain; when the situation occurs, the second terminal can quickly and accurately find the corresponding underground cable joint position according to the cable joint identification for situation elimination, so that the safety of the underground cable is improved; meanwhile, the problem that municipal works are easily damaged when underground cable joint conditions are eliminated according to experience in the past is solved, and therefore municipal cost is saved.
In one embodiment, the first terminal includes: the system comprises an acquisition unit, a main control unit, a positioning unit and a sending unit; the acquisition unit is used for acquiring the temperature of an underground cable joint and uploading the temperature to the main control unit; the positioning unit is used for identifying underground cable joints and transmitting the identification of the underground cable joints to the main control unit; the main control unit is used for generating a report message when a preset trigger condition is reached; wherein the reporting message includes: the temperature of the underground cable joint and the corresponding underground cable joint identification; and the sending unit is used for transmitting the report message to the second terminal.
In one embodiment, the main control unit comprises a preset triggering module, a judging module, a storage module and a generating module; the preset triggering module is used for presetting triggering conditions; the judging module is used for judging whether the temperature of the underground cable joint uploaded by the acquisition unit reaches a preset triggering condition or not; if yes, informing the generation module to generate a report message; if not, the generation module is not informed; the storage module is used for storing various information; including the temperature of the underground cable joint and the underground cable joint identification.
In one embodiment, the predetermined triggering module is further configured to receive triggering information; the judging module is also used for judging whether the preset triggering module receives triggering information or not, and if so, informing the generating module to generate a reporting message; if not, the generation module is not informed. When the information of the underground cable joint needs to be acquired in real time, sending a trigger signal to a first terminal; the first terminal generates a report message and returns the report message to the second terminal.
In one embodiment, when the second terminal performs monitoring and early warning according to the report message, the report message is displayed; judging whether to send out an alarm or not according to a preset alarm value; when the alarm is given out, the alarm of different grades is given out according to different preset alarm values.
In one embodiment, the underground cable joint management system further includes a concentrator configured to aggregate the reporting messages of the first terminal and transmit the aggregated reporting messages to the second terminal.
The invention aims to provide an underground cable joint management method, which can accurately search the position of an underground cable joint; the underground cable connector is monitored, maintenance is easy, safety of the underground cable is improved, and municipal cost is saved.
A method of underground cable joint management comprising the steps of:
the method comprises the steps that a first terminal collects the temperature of an underground cable joint, generates a report message and transmits the report message to a second terminal when a preset trigger condition is reached; wherein the reporting message includes: the temperature of the underground cable joint and the corresponding underground cable joint identification;
and the second terminal receives the report message transmitted by the first terminal and carries out monitoring and early warning according to the report message.
The first terminal is arranged at the underground cable joint and used for collecting the temperature of the underground cable joint, and when a preset trigger condition is reached, a report message comprising the temperature of the underground cable joint and an underground cable joint identifier is generated and sent to the second terminal; after receiving the report message, the second terminal carries out monitoring and early warning, and carries out underground cable joint monitoring according to the report message, so that the underground cable joint monitoring is easy to maintain; when the situation occurs, the second terminal can quickly and accurately find the corresponding underground cable joint position according to the cable joint identification for situation elimination, so that the safety of the underground cable is improved; meanwhile, the problem that municipal works are easily damaged when underground cable joint conditions are eliminated according to experience in the past is solved, and therefore municipal cost is saved.
In one embodiment, before the step of generating the report message by the first terminal, the method includes the steps of: judging whether the collected temperature of the underground cable joint reaches the preset triggering condition or not; if yes, generating a report message; if not, no report message is generated; various information is stored including the temperature of the underground cable joint and the underground cable joint identification.
In one embodiment, before the step of generating the report message by the first terminal, the method includes the steps of: receiving trigger information; judging whether the preset trigger module receives trigger information, if so, generating a report message; if not, no report message is generated.
In one embodiment, the step of monitoring and early warning by the second terminal according to the report message includes: displaying a report message; judging whether to send out an alarm or not according to a preset alarm value; when the alarm is given out, the alarm of different grades can be given out according to different preset alarm values.
In one embodiment, before transmitting the report message to the second terminal, the method includes the steps of: and aggregating the report messages of the first terminal, and then transmitting the aggregated report messages to the second terminal.
Drawings
FIG. 1 is a schematic view of one embodiment of the underground cable joint management system disclosed herein;
fig. 2 is a schematic structural diagram of a first terminal according to the present invention;
FIG. 3 is a schematic structural diagram of a main control unit according to the present invention;
FIG. 4 is a schematic view of one embodiment of the underground cable joint management system of the present disclosure;
FIG. 5 is a flow chart of one embodiment of the method of the present invention.
Detailed Description
For the purpose of facilitating an understanding of the present invention, reference will now be made to the following descriptions taken in conjunction with the accompanying drawings.
The present invention provides an underground cable joint management system, please refer to fig. 1, which includes: a first terminal 101 and a second terminal 102; wherein,
the first terminal 101 is used for collecting the temperature of the underground cable joint, generating a report message when a preset trigger condition is reached, and transmitting the report message to the second terminal 102; wherein, reporting the message includes: the temperature of the underground cable joint and the corresponding underground cable joint identification;
the second terminal 102 is configured to receive the report message transmitted by the first terminal, and perform monitoring and early warning according to the report message.
The first terminal is arranged at the underground cable joint and used for collecting the temperature of the underground cable joint, and when a preset trigger condition is reached, a report message comprising the temperature of the underground cable joint and an underground cable joint identifier is generated and sent to the second terminal; after receiving the report message, the second terminal carries out monitoring and early warning, and carries out underground cable joint monitoring according to the report message, so that the underground cable joint monitoring is easy to maintain; when the situation occurs, the second terminal can quickly and accurately find the corresponding underground cable joint position according to the cable joint identification for situation elimination, so that the safety of the underground cable is improved; meanwhile, the problem that municipal works are easily damaged when underground cable joint conditions are eliminated according to experience in the past is solved, and therefore municipal cost is saved.
In one embodiment, referring to fig. 2, the first terminal 101 includes: the system comprises an acquisition unit 201, a positioning unit 202, a main control unit 203 and a sending unit 204; the acquisition unit 201 is used for acquiring the temperature of the underground cable joint and uploading the temperature to the main control unit 203; the positioning unit 202 is used for identifying the underground cable joint and transmitting the identification of the underground cable joint to the main control unit 203; the main control unit 203 is configured to generate a report message when a predetermined trigger condition is reached; wherein, reporting the message includes: the temperature of the underground cable joint and the corresponding underground cable joint identification; the sending unit 204 is configured to send the report message to the second terminal 102.
In one embodiment, referring to fig. 3, the main control unit 203 includes: a predetermined triggering module 301, a judging module 302, a generating module 303 and a storing module 304; the preset triggering module 301 is used for presetting triggering conditions; the judging module 302 is used for judging whether the temperature of the underground cable joint uploaded by the acquisition unit reaches a preset triggering condition; if yes, informing the generation module to generate a report message; if not, the generation module is not informed; a storage module 304 for storing various information; including the temperature of the underground cable joint and the underground cable joint identification. The underground cable joint identification may include: the number of the underground cable joint, the geographical location of the underground cable joint.
In one embodiment, the predetermined triggering module 301 is further configured to receive triggering information; the judging module 302 is further configured to judge whether the predetermined triggering module 301 receives the triggering information, and if so, notify the generating module 303 to generate a report message; if not, the generation module 303 is not notified to generate the report message. When the information of the underground cable joint needs to be acquired in real time, sending a trigger signal to the first terminal 101; the first terminal 101 generates a report message and returns it to the second terminal 102.
In one embodiment, when the second terminal 102 performs monitoring and early warning according to the report message, the report message is displayed; judging whether to send out an alarm or not according to a preset alarm value; when the alarm is given out, the alarm of different grades is given out according to different preset alarm values.
As one preferred embodiment, referring to fig. 4, the underground cable joint management system includes a plurality of first terminals 401, and the report messages generated by the first terminals 401 are firstly collected in a concentrator 402, and then are collectively sent to a second terminal 403 by the concentrator.
Specifically, the first terminal 401 may report the message in the following manner, but is not limited to the following manner: reporting information is transmitted to a concentrator 402 among the first terminals 401 through a ZigBee wireless ad hoc network, wherein ZigBee is a low-power local area network protocol based on IEEE802.15.4 standard; for the longer distance between cable connectors, a transfer module can be added between two first terminals with longer distance and is used for forming a ZigBee wireless ad hoc network capable of transmitting.
The invention also provides an underground cable joint management method, which can accurately search the position of the underground cable joint; the underground cable joint is monitored, so that the maintenance is easy, the safety of the underground cable is improved, and the municipal cost is saved; please refer to fig. 5, which includes the following steps:
s501, collecting the temperature of an underground cable joint;
the first terminal collects the temperature of the underground cable joint.
As a preferred embodiment, the first terminal may acquire the temperature state parameters at the cable joint in real time, or may acquire the temperature state parameters at the cable joint periodically. Specifically, the first terminal monitors the temperature at the cable joint in real time through the temperature sensor and forms a temperature state parameter. Or, a collection period is preset, when the collection period is reached, the first terminal monitors temperature state parameters at the cable joint, the temperature state parameters are formed, and the first terminal is automatically turned off or stands by for the rest of time to save electric quantity. For example, the collection period may be set to collect once per hour, once per 12 hours, and may be specifically set according to actual use requirements.
S502, generating a report message when a preset trigger condition is reached;
and the first terminal generates a report message when a preset trigger condition is reached.
S503, sending a report message;
the first terminal transmits the report message to the second terminal; wherein, reporting the message includes: the temperature of the underground cable joint and the corresponding underground cable joint identification.
S504, receiving a report message;
and the second terminal receives the report message transmitted by the first terminal.
And S505, monitoring and early warning are carried out according to the report message.
And the second terminal carries out monitoring and early warning according to the report message.
The first terminal is arranged at the underground cable joint and used for collecting the temperature of the underground cable joint, and when a preset trigger condition is reached, a report message comprising the temperature of the underground cable joint and an underground cable joint identifier is generated and sent to the second terminal; after receiving the report message, the second terminal carries out monitoring and early warning, and carries out underground cable joint monitoring according to the report message, so that the underground cable joint monitoring is easy to maintain; when the situation occurs, the second terminal can quickly and accurately find the corresponding underground cable joint position according to the cable joint identification for situation elimination, so that the safety of the underground cable is improved; meanwhile, the problem that municipal works are easily damaged when underground cable joint conditions are eliminated according to experience in the past is solved, and therefore municipal cost is saved.
In one embodiment, before the step of S502, the method includes the steps of: judging whether the collected temperature of the underground cable joint reaches a preset triggering condition or not; if yes, go to step S502; if not, the step S502 is not carried out; various information is stored including the temperature of the underground cable joint and the underground cable joint identification. Specifically, a reporting period of the report message is set, for example, reporting every 10 minutes, and then after the initial reporting time is set, the report message is automatically generated every 10 minutes for uploading; or when the temperature of the cable joint reaches the preset temperature, reporting a message; for example, the temperature is reported when the temperature exceeds the normal use temperature by a certain range, for example, when the temperature at the cable joint reaches 80 ℃.
As another preferred embodiment, before the step of S502, the method includes the steps of: receiving trigger information; then, whether the preset trigger module receives the trigger information is judged, if yes, the step S502 is carried out; if not, step S502 is not performed. For example, a collection instruction can be directly sent during temporary maintenance or inspection by a maintenance worker, and when the first terminal receives the collection instruction, the temperature of the underground cable joint is collected, the corresponding underground cable joint identifier is obtained, a report message is generated, and the report message is transmitted to the second terminal.
In one embodiment, the step S504 includes: displaying a report message; judging whether to send out an alarm or not according to a preset alarm value; when the alarm is given out, the alarm of different grades can be given out according to different preset alarm values.
Specifically, the alarm level can be set according to the specific value of the temperature, for example, when the temperature of the underground cable joint is slightly higher than the alarm value, the alarm is given at a low level, and maintenance can be prompted; when the temperature is higher than the alarm value by a certain range, middle-level alarm is carried out to prompt that maintenance is required within a short period; when the temperature reaches a value that may cause significant damage, a high-level alarm is issued, prompting that immediate processing must be performed.
In one embodiment, before the step of S503, the method includes the steps of: and aggregating the report messages of the first terminal, and then transmitting the aggregated report messages to the second terminal. The concentrator can directly send the report message to the second terminal through the networks such as GSM, CDMA and the like.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (11)
1. An underground cable splice management system, comprising: a first terminal and a second terminal;
the first terminal is used for collecting the temperature of an underground cable joint, generating a report message and transmitting the report message to the second terminal when a preset trigger condition is reached; wherein the reporting message includes: the temperature of the underground cable joint and the corresponding underground cable joint identification;
and the second terminal is used for receiving the report message and carrying out monitoring and early warning according to the report message.
2. An underground cable splice management system as claimed in claim 1, wherein the first terminal comprises: the system comprises an acquisition unit, a main control unit, a positioning unit and a sending unit;
the acquisition unit is used for acquiring the temperature of an underground cable joint and uploading the temperature to the main control unit;
the positioning unit is used for identifying underground cable joints and transmitting the identification of the underground cable joints to the main control unit;
the main control unit is used for generating a report message when a preset trigger condition is reached; wherein the reporting message includes: the temperature of the underground cable joint and the corresponding underground cable joint identification;
and the sending unit is used for transmitting the report message to the second terminal.
3. An underground cable splice management system as claimed in claim 2, wherein the master control unit comprises a predetermined triggering module, a judging module, a storage module and a generating module; wherein,
the preset triggering module is used for presetting triggering conditions;
the judging module is used for judging whether the temperature of the underground cable joint uploaded by the acquisition unit reaches a preset triggering condition or not; if yes, informing the generation module to generate a report message; if not, the generation module is not informed;
the storage module is used for storing various information; the temperature of the underground cable joint and the underground cable joint identification are collected.
4. An underground cable splice management system according to claim 3,
the preset triggering module is also used for receiving triggering information; the judging module is also used for judging whether the preset triggering module receives the triggering information, and if so, informing the generating module to generate a reporting message; if not, the generation module is not informed to generate the report message.
5. An underground cable joint management system according to any one of claims 1 to 4, wherein the second terminal displays the report message when performing monitoring and early warning according to the report message; judging whether to send out an alarm or not according to a preset alarm value; when the alarm is given out, the alarm of different grades is given out according to different preset alarm values.
6. An underground cable splice management system according to claim 5,
the underground cable joint management system also comprises a concentrator which is used for converging the report message of the first terminal and transmitting the converged report message to the second terminal.
7. A method of underground cable joint management, comprising the steps of:
the method comprises the steps that a first terminal collects the temperature of an underground cable joint, generates a report message and transmits the report message to a second terminal when a preset trigger condition is reached; wherein the reporting message includes: the temperature of the underground cable joint and the corresponding underground cable joint identification;
and the second terminal receives the report message transmitted by the first terminal and carries out monitoring and early warning according to the report message.
8. A method for underground cable splice management as claimed in claim 7, wherein, prior to the step of generating the reporting message by the first terminal, the method comprises the steps of:
judging whether the collected temperature of the underground cable joint reaches the preset triggering condition or not; if so, generating the report message; if not, the report message is not generated;
storing various information including the temperature of the underground cable joint and the underground cable joint identification.
9. An underground cable splice management method as claimed in claim 7,
before the step of generating the report message by the first terminal, the method comprises the following steps:
receiving trigger information; judging whether the preset trigger module receives trigger information, if so, generating the report message; and if not, not generating the report message.
10. A method for managing an underground cable joint according to any one of claims 7 to 9, wherein the step of performing a monitoring and warning according to the report message comprises: displaying a report message; judging whether to send out an alarm or not according to a preset alarm value; when the alarm is sent out, alarm signals of different grades are sent out according to different preset alarm values.
11. A method of underground cable splice management according to claim 10, comprising, before transmitting said reporting message to a second terminal, the steps of: and aggregating the report messages of the first terminal, and then transmitting the aggregated report messages to the second terminal.
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| CN2012101833189A CN102662130A (en) | 2012-06-05 | 2012-06-05 | Underground cable joint management system and method |
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| CN2012101833189A CN102662130A (en) | 2012-06-05 | 2012-06-05 | Underground cable joint management system and method |
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Application publication date: 20120912 |