CN201047866Y - Automatically emergent oil supply system for oil-filled cable in power system - Google Patents
Automatically emergent oil supply system for oil-filled cable in power system Download PDFInfo
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- CN201047866Y CN201047866Y CNU2007200694785U CN200720069478U CN201047866Y CN 201047866 Y CN201047866 Y CN 201047866Y CN U2007200694785 U CNU2007200694785 U CN U2007200694785U CN 200720069478 U CN200720069478 U CN 200720069478U CN 201047866 Y CN201047866 Y CN 201047866Y
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Abstract
The utility model relates to a cable failure processing system used in an electric power system, in particular relates to an oil-compression-cable automatic emergency oil-supply system used in the electric power system. The oil-supply system comprises an oil compression cable and a plurality of groups of conventional pressure boxes which are connected with the oil compression cable, one terminal of each conventional pressure box is connected with an electromagnetic valve, the other terminal of each conventional pressure box is connected with an oil pressure transmitter, a cable failure diagnosis automated apparatus is connected between the electromagnetic valve and the oil pressure transmitter as well, the other terminal of the electromagnetic valve is connected with a spare pressure box. As the above technical solving scheme is adopted, the utility model completely solves the problem that the leaked guard oil of the oil compression cable caused by a failure can not be compensated at once, reduces the failure danger coefficient, increases the rescue efficiency of the oil leakage accident of the oil compression cable, gains valuable time for the electric power emergency rescue, at the same time, provides effective safety measures for the emergency rescue workers.
Description
Technical field
The utility model relates to cable fault disposal system in the electric system, relates in particular to the system that is used for electric system oil-filled cable automatic emergency fuel feeding.
Background technology
It is longer relatively that oil-filled cable moves the time mostly, and auxiliary devices such as oil circuit are more, easily in thin spot generation explosion, the leakage of oil dangerous situation take place after the operation of certain hour of oil pipe line equipment process, thereby directly threaten and send a telegraph power cable line safety, also constitute direct danger to participating in the repairing personnel again simultaneously.
After oil-filled cable has been found oil accident at present, can't accomplish that arriving at the scene of the accident in the very first time speedily carries out rescue work, can only after having found oil accident, could begin in a period of time to fix a breakdown, on-the-spot this locality does not have the cover oil pressure bucking-out system of control automatically, has wasted the time of breakdown repair.Still there is not at present special solution at this type of problem.
Summary of the invention
The purpose of this utility model is to provide a kind of automatic emergency oil supply system that can compensate the protection oil that oil-filled cable misses owing to fault immediately automatically that addresses the above problem.
Realize that the utility model purpose technical scheme is: a kind of system that is used for electric system oil-filled cable automatic emergency fuel feeding, comprise oil-filled cable and some groups of conventional forbays that are attached thereto, one port of above-mentioned conventional forbay connects solenoid valve, the another port connects oil pressure transmitter, between above-mentioned solenoid valve and above-mentioned oil pressure transmitter, also connect cable fault diagnosis automation equipment, the another port of above-mentioned solenoid valve is connected with a standby pressure case, wherein
Above-mentioned oil pressure transmitter is used to detect connected conventional forbay oil pressure, and the oil pressure data-switching is become the standard electric signal, for the collection of above-mentioned cable fault diagnosis automation equipment;
Above-mentioned cable fault diagnosis automation equipment is used to gather above-mentioned oil pressure transmitter signal, and converts the electrical signal to digital signal, after the judgment processing, transmits control signal to solenoid valve as calculated;
Above-mentioned solenoid valve receives the control signal from above-mentioned cable fault diagnosis automation equipment, controls the switching of above-mentioned standby pressure case and gives above-mentioned conventional forbay fuel feeding.
The above-mentioned system that is used for electric system oil-filled cable automatic emergency fuel feeding also comprises a far-end robotization main website that links to each other with above-mentioned cable fault diagnosis automation equipment.
In the above-mentioned cable fault diagnosis automation equipment Monitoring and Controlling module, stipulations modular converter, the carrier communication module that connects by communication bus successively is installed, one accumulator and charger module also are installed, this accumulator and charger module are connected with carrier communication module with above-mentioned Monitoring and Controlling module, stipulations modular converter respectively, wherein
Above-mentioned Monitoring and Controlling module, be used to gather external signal and the data that receive from above-mentioned stipulations modular converter, it obtains needed Monitoring Data after the external signal of being gathered is calculated, when determining Monitoring Data and preset limit value when variant, according to the predetermined control strategy of this inside modules, the solenoid valve of outside is carried out corresponding control by the output control signal; It is also handled carry out corresponding data layout from the data of above-mentioned stipulations modular converter; Above-mentioned Monitoring and Controlling module can send order to above-mentioned accumulator and charger module;
Above-mentioned stipulations modular converter, be used to receive data from above-mentioned Monitoring and Controlling module and above-mentioned carrier communication module, it will be converted to the data layout that carrier channel can transmit from the Monitoring Data of above-mentioned Monitoring and Controlling module, send the data to above-mentioned carrier communication module by communication bus again; Send to above-mentioned Monitoring and Controlling module after will resolving, change from the data of above-mentioned carrier communication module;
Above-mentioned carrier communication module, the data-signal that is used for receiving is converted to simulating signal, send signal to said distal ends robotization main website by carrier channel, simultaneously above-mentioned carrier communication module also is used to receive the data that said distal ends robotization main website issues, and is to send to the stipulations modular converter after the digital signal with analog signal conversion;
Above-mentioned accumulator and charger module are used to above-mentioned Monitoring and Controlling module, stipulations modular converter and carrier communication module that power supply is provided.
Above-mentioned oil pressure transmitter becomes the oil pressure data-switching of being surveyed the standard electric signal of 4-20mADC.
Above-mentioned cable fault diagnosis automation equipment is provided with locality, the two kinds of duties in a distant place, has automatic, manual two kinds of state of a controls simultaneously.
Above-mentioned cable fault diagnosis automation equipment receives input of 16 dotted state amounts and the input of passive dry contact, exports 24 remote controlled points.
Above-mentioned standby pressure case is provided with pressure indicator, and oil pressure is greater than above-mentioned conventional forbay oil pressure in this standby pressure case.
Owing to adopted above-mentioned technical solution; solved the problem that compensates the protection oil that oil-filled cable misses owing to fault immediately fully; reduced the fault danger coefficient; improved the rescue efficient of oil-filled cable oil accident; speedily carry out rescue work for electric power and to have won valuable time, provide effective safety practice for the operating personnel that speedily carries out rescue work again simultaneously.
Description of drawings
Fig. 1 is used for the system schematic of electric system oil-filled cable automatic emergency fuel feeding for the utility model;
Fig. 2 is the utility model cable fault diagnosis automation equipment internal module composition diagram.
Embodiment
The utility model is described in further detail below in conjunction with drawings and embodiments:
With reference to Fig. 1 and 2; A kind of system for power system oil-filled cable automatic emergency fuel feeding; Comprise oil-filled cable 6 and some groups of conventional forbays 3 that are attached thereto; One port connected electromagnetic valve 4 of conventional forbay 3; The another port connects oil pressure transmitter 2; Between magnetic valve 4 and oil pressure transmitter 2, also connect a cable fault automaticdiagnosis device 1; The another port of magnetic valve 4 connects a standby pressure case 5; Also comprise a far-end automation main website that links to each other with described cable fault automaticdiagnosis device; Wherein
Oil pressure transmitter 2 is used to detect connected conventional forbay 3 oil pressure, and the oil pressure data-switching is become 4-20mADC standard electric signal, flows to cable fault diagnosis automation equipment 1 and gathers;
Cable fault diagnosis automation equipment 1 is used to gather described oil pressure transmitter 2 signals, and converts the electrical signal to digital signal, after the judgment processing, transmits control signal to solenoid valve 4 as calculated;
Solenoid valve 4 receives the control signal from described cable fault diagnosis automation equipment 1, controls the switching of described standby pressure case 5 and gives described conventional forbay 3 fuel feeding.
In the cable fault diagnosis automation equipment 1 Monitoring and Controlling module 11, stipulations modular converter 12, the carrier communication module 13 that connects by communication bus successively is installed, one accumulator and charger module 14 also are installed, this accumulator and charger module 14 are connected with described Monitoring and Controlling module 11, stipulations modular converter 12 and carrier communication module 13 respectively, wherein
Monitoring and Controlling module 11, be used to gather external signal and the data that receive from stipulations modular converter 12, it obtains needed Monitoring Data after the external signal of being gathered is calculated, when determining Monitoring Data and preset limit value when variant, according to the predetermined control strategy of this inside modules, the solenoid valve 4 of outside is carried out corresponding control by the output control signal; It is also to carrying out the processing of corresponding data form from the data of stipulations modular converter 12; Monitoring and Controlling module 11 can send order to described accumulator and charger module 14;
Stipulations modular converter 12, be used to receive data from Monitoring and Controlling module 11 and carrier communication module 13, it will be converted to the data layout that carrier channel can transmit from the Monitoring Data of Monitoring and Controlling module 11, send the data to carrier communication module 13 by communication bus again; Send to Monitoring and Controlling module 11 after will resolving, change from the data of carrier communication module 13;
Accumulator and charger module 14 are used to Monitoring and Controlling module 11, stipulations modular converter 12 and carrier communication module 13 that power supply is provided.
Native system adopts 250L stainless steel pressure case as the standby pressure case, and charge oil pressure is greater than 0.28MPa.The standby pressure case links to each other with each fuel feeding point (six/12 groups of forbays) by solenoid valve, realizes that the standby pressure case begins the fuel feeding of conventional forbay or closes.Each is organized oil pressure transmitter monitoring oil pressure is installed on the conventional forbay.Installation has the cable fault diagnosis automation equipment (DTU) of multiplex telemetering and distant control function, signal to oil pressure transmitter is gathered, when monitoring oil pressure when being lower than threshold values, transmit control signal by Remote Control Interface automatically and open solenoid valve, to the low conventional forbay fuel feeding of pressure.Every group of conventional forbay all has an oil pressure transmitter, detects current pressure case oil pressure, converts oil pressure the standard electric signal of 4-20mA to, gathers for DTU.DTU gathers the oil pressure transmitter signal, converts electric analoging signal to digital signal, calculates judgement, when oil pressure is lower than predefined threshold values, transmits control signal by Remote Control Interface and to open solenoid valve and give conventional forbay fuel feeding.
11 pairs of external input signals of Monitoring and Controlling module are gathered, obtain needed Monitoring Data (electric current, voltage, oil pressure, temperature, water level) after calculating, when determining Monitoring Data and preset limit value when variant, according to inner predetermined control strategy, by control output solenoid valve 4 is carried out corresponding control, be connected by communication bus between Monitoring and Controlling module 11 and the stipulations modular converter 12 simultaneously, can carry out exchanges data with stipulations modular converter 12; Stipulations modular converter 12 is converted to the data layout that carrier channel can transmit with the Monitoring Data of Monitoring and Controlling module 11, send the data to carrier communication module 13 by communication bus again, carrier communication module 13 is converted to simulating signal with the data-signal that receives, and sends signal to far-end robotization main website 7 by carrier channel.When carrier communication module 13 is received the data that far-end robotization main website 7 issues, with analog signal conversion is digital signal, send to stipulations modular converter 12 then, stipulations modular converter 12 sends to Monitoring and Controlling module 11 after data are resolved, changed, after Monitoring and Controlling module 11 is received data, carry out respective handling according to data layout.
Charger output DC 24V under the mains-supplied normal condition in accumulator and the charger module 14 charges to accumulator simultaneously for Monitoring and Controlling module 11 provides working power, and is standby to do.When the AC power dead electricity, the accumulator of sealing provides working power for the Monitoring and Controlling module.
Cable fault diagnosis automation equipment 1 is provided with locality, the two kinds of duties in a distant place, has automatic, manual two kinds of state of a controls simultaneously.When being set to a distant place and automatic function, system realizes locally judging whether oil pressure is lower than preset limit value, if be lower than limit value then open the respective electrical magnet valve automatically and realize that oil pressure replenishes, when monitoring the oil pressure recovery, closes solenoid valve automatically; When being set to a distant place and manual function, system judges whether oil pressure is lower than preset limit value, as is lower than limit value, does not carry out local automatic function, waits for the opening and closing of scheduling station by telemechanical remote control mode realization solenoid valve; When being set to local and manual function, system realizes the opening and closing of solenoid valve by the switch board shift knob.It is meaningless to be set to locality and automatic function.
Cable fault diagnosis automation equipment 1 receives input of 16 dotted state amounts and the input of passive dry contact, export 24 remote controlled points, the action of driving solenoid valve, cable fault diagnosis automation equipment 1 tool equipment self-diagnosis function and deadlock house dog program self-recovering function, can oneself diagnose the above fault of plug-in unit level, the recovery of can crashing.
The standby pressure case is provided with 5 pressure indicator, and oil pressure is greater than described conventional forbay 3 oil pressure in this standby pressure case.
Accumulator and charger module 14 have the function that detects battery tension at any time; produce remote signals and send remote signals to far-end robotization main website 7; and can receive from the order of Monitoring and Controlling module 11 and activate accumulator, also possess storage battery low-voltage and cut off the power supply protection function.
Above embodiment is only for the usefulness that the utility model is described, but not to restriction of the present utility model, person skilled in the relevant technique, under the situation that does not break away from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (7)
1. system that is used for electric system oil-filled cable automatic emergency fuel feeding, comprise oil-filled cable and some groups of conventional forbays that are attached thereto, it is characterized in that, one port of described conventional forbay is connected with solenoid valve, the another port is connected with oil pressure transmitter, also is connected with cable fault diagnosis automation equipment between described solenoid valve and described oil pressure transmitter, and the another port of described solenoid valve is connected with a standby pressure case, wherein
Described oil pressure transmitter is used to detect connected conventional forbay oil pressure, and the oil pressure data-switching is become the standard electric signal, for the collection of described cable fault diagnosis automation equipment;
Described cable fault diagnosis automation equipment is used to gather described oil pressure transmitter signal, and converts the electrical signal to digital signal, after the judgment processing, transmits control signal to solenoid valve as calculated;
Described solenoid valve receives the control signal from described cable fault diagnosis automation equipment, controls the switching of described standby pressure case and gives described conventional forbay fuel feeding.
2. the system that is used for electric system oil-filled cable automatic emergency fuel feeding according to claim 1 is characterized in that, also comprises a far-end robotization main website that links to each other with described cable fault diagnosis automation equipment.
3. the system that is used for electric system oil-filled cable automatic emergency fuel feeding according to claim 1 and 2, it is characterized in that, in the described cable fault diagnosis automation equipment Monitoring and Controlling module, stipulations modular converter, the carrier communication module that connects by communication bus successively is installed, one accumulator and charger module also are installed, this accumulator and charger module are connected with carrier communication module with described Monitoring and Controlling module, stipulations modular converter respectively, wherein
Described Monitoring and Controlling module, be used to gather external signal and the data that receive from described stipulations modular converter, it obtains needed Monitoring Data after the external signal of being gathered is calculated, when determining Monitoring Data and preset limit value when variant, according to the predetermined control strategy of this inside modules, the solenoid valve of outside is carried out corresponding control by the output control signal; It is also handled carry out corresponding data layout from the data of described stipulations modular converter; Described Monitoring and Controlling module can send order to described accumulator and charger module;
Described stipulations modular converter, be used to receive data from described Monitoring and Controlling module and described carrier communication module, it will be converted to the data layout that carrier channel can transmit from the Monitoring Data of described Monitoring and Controlling module, send the data to described carrier communication module by communication bus again; Send to described Monitoring and Controlling module after will resolving, change from the data of described carrier communication module;
Described carrier communication module, the data-signal that is used for receiving is converted to simulating signal, send signal to described far-end robotization main website by carrier channel, simultaneously described carrier communication module also is used to receive the data that described far-end robotization main website issues, and is to send to the stipulations modular converter after the digital signal with analog signal conversion;
Described accumulator and charger module are used to described Monitoring and Controlling module, stipulations modular converter and carrier communication module that power supply is provided.
4. the system that is used for electric system oil-filled cable automatic emergency fuel feeding according to claim 1 and 2 is characterized in that described oil pressure transmitter becomes the oil pressure data-switching of being surveyed the standard electric signal of 4-20mADC.
5. the system that is used for electric system oil-filled cable automatic emergency fuel feeding according to claim 1 and 2, it is characterized in that, described cable fault diagnosis automation equipment is provided with locality, the two kinds of duties in a distant place, has automatic, manual two kinds of state of a controls simultaneously.
6. in the system of oil-filled cable automatic emergency fuel feeding, it is characterized in that in the usefulness according to claim 1 and 2 electric system that described cable fault diagnosis automation equipment receives input of 16 dotted state amounts and the input of passive dry contact, exports 24 remote controlled points.
7. the system that is used for electric system oil-filled cable automatic emergency fuel feeding according to claim 1 and 2 is characterized in that described standby pressure case is provided with pressure indicator, and oil pressure is greater than described conventional forbay oil pressure in this standby pressure case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200694785U CN201047866Y (en) | 2007-04-28 | 2007-04-28 | Automatically emergent oil supply system for oil-filled cable in power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200694785U CN201047866Y (en) | 2007-04-28 | 2007-04-28 | Automatically emergent oil supply system for oil-filled cable in power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201047866Y true CN201047866Y (en) | 2008-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200694785U Expired - Lifetime CN201047866Y (en) | 2007-04-28 | 2007-04-28 | Automatically emergent oil supply system for oil-filled cable in power system |
Country Status (1)
| Country | Link |
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| CN (1) | CN201047866Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101295865B (en) * | 2007-04-28 | 2010-09-29 | 上海市电力公司电缆输配电公司 | Automatic emergency oil supply system of oil-filling cable |
-
2007
- 2007-04-28 CN CNU2007200694785U patent/CN201047866Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101295865B (en) * | 2007-04-28 | 2010-09-29 | 上海市电力公司电缆输配电公司 | Automatic emergency oil supply system of oil-filling cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20080416 Effective date of abandoning: 20070428 |