CN101465771B - Communication method of old mark system and application thereof - Google Patents
Communication method of old mark system and application thereof Download PDFInfo
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- CN101465771B CN101465771B CN200710151163XA CN200710151163A CN101465771B CN 101465771 B CN101465771 B CN 101465771B CN 200710151163X A CN200710151163X A CN 200710151163XA CN 200710151163 A CN200710151163 A CN 200710151163A CN 101465771 B CN101465771 B CN 101465771B
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Abstract
Disclosed is a communication method for a fault calibration system, including the steps that: 1) a detection and control device detects a fault and sends a fault calibration start-up signal; 2), after receiving the fault calibration start-up signal, the fault calibration system judges the start-up signal; 3), a general interrogation frame is sent out; 4), data in accordance with the timing information is extracted from a memory; and 5) the calculation result is sent out and is uploaded to a main local monitoring and dispatching station. The fault calibration system comprises an external power network, a power supply arm and an armature feeder line and is characterized in that the fault calibration system further comprises a GPS satellite clock, a passage, a fault calibration device and a communication processing device. The fault calibration system has the advantages of simple operation and high acquisition precision and can realize synchronous data transmission.
Description
(1) technical field:
The present invention relates to a kind of communication means and application thereof, especially a kind of communication means of old mark system and application thereof.
(2) background technology:
AT fault localization system is applicable to the fault point demarcation of all short trouble types under the various operational modes under the AT tractive power supply system condition.Be that the unit forms under the situation of traction power supply complex automatic system with traction substation both sides supply arm; For the AT supply power mode; Because the system configuration complicacy realizes relatively difficulty by single range unit, and the communication signal of power supply complex automatic system produces interference through regular meeting to ranging system; The precision of its data acquisition, data processing is reduced greatly, and can't realize each point and point, and between be difficult to realize synchronous signal transmission, data acquisition and transfer of data.
(3) summary of the invention:
Goal of the invention of the present invention is to design a kind of communication means and application thereof of old mark system, and it can overcome the deficiency of prior art, is a kind of simple to operate, and acquisition precision is high, and can realize the synchronization of data transmission.
Technical scheme of the present invention: a kind of communication means of old mark system is characterized in that it may further comprise the steps:
1. when certain point of traction net breaks down, detect fault and send startup so the mark signal by the measure and control device that is installed in electric iron protection for feed line side;
2. old mark system is received above-mentioned so behind the mark signal, judge that this enabling signal is left supply arm or right supply arm;
3. send total calling frame through all former device for mark on the faulty line of communication network in this side supply arm;
4. when the former device for mark of each electric substation on the supply arm, AT institute, section post receives the calling frame that step sends in 3.; From internal memory, take out the data that meet this time scale information; Calculate effective value, be uploaded to electric substation's event device for mark, and accomplish range finding result's calculating;
5. the communication processing apparatus by traction substation receives the result of calculation that the event device for mark sends according to communication network, and uploads to local monitoring and scheduling station.
So the total calling frame of above-mentioned said step described in 3. comprises and starting the markers of mark signal.
The communication network of above-mentioned said connection range unit and communication processing apparatus can adopt serial ports RS232, fieldbus RS485, fieldbus FDKBUS, UTP Ethernet or fiber optic Ethernet.
A kind of old mark system of realizing above-mentioned communication means comprises external electrical network, supply arm, electric iron feeder line, it is characterized in that old mark system also by gps satellite clock, passage, so device for mark and communication processing apparatus are formed; Wherein, said gps satellite clock is no less than one, and the one of which end is installed in each power supply station, electric substation, AT institute and the place, section post place of supply arm, and the other end then is connected with the event device for mark; Said so device for mark is no less than one, be installed on electric substation, AT institute and place, section post place, and realize interconnecting according to passage; So device for mark is connected, output is connected with the central processing unit input of scheduling station with the locality monitoring respectively said communication processing apparatus input with electric substation.
Above-mentioned said external electrical network is that electric power system or supply power complex automatic system or electric power system and power supply complex automatic system are public.
The signal designated lane that above-mentioned said passage can be an old mark system also can be the public passage of old mark system and complex automatic system.
So above-mentioned said communication processing apparatus can be the device of transmission range finding consequential signal, also can be to accept the device of mark signal.
The external electrical network of above-mentioned said old mark system is an electric power system, and communication processing apparatus is the device of transmission range finding consequential signal, and passage is the signal designated lane of old mark system.
The external electrical network of above-mentioned said old mark system is power supply complex automatic system and electric power system, and so communication processing apparatus is to accept the device of mark signal; Said passage is the public passage of old mark system and complex automatic system.
Superiority of the present invention is: 1. adopt the gps satellite clock to realize the time synchronized between each, synchronization accuracy has reached＜50us; 2. the gps satellite clock of each is relatively independent, fault can not influence other time synchronized, strengthened the reliability of time synchronized; 3. adopt designated lane communication, the communication conditions of combining from system can not exert an influence to the communication of old mark system; 4. the device for mark of dying can independently be accomplished the calling of ranging data, calculating range finding result, preservation, printing range finding result's function, makes old mark system become independently system; 5. adopt communication process to put the calling of completion ranging data, calculating range finding result, preservation, printing range finding result's function; Make so device for mark becomes one type by two types; With between communicate by letter and realize by communication processing apparatus, greatly reduce so the complexity of device for mark design of communication, strengthened reliability, the maintainability of system; And reduce printer quantity, each supply arm only needs one; 6. adopt so mark and comprehensive from common-use tunnel can reduce user's investment and use cost greatly; Reduce the workload of Installation and Debugging, system maintainability has been strengthened, and reduced the complexity of system, reduced the fault point, increased electric network reliability; 7. use the high accuracy communication network, make the lifting of traffic rate geometric progression, reduced the error that communication delay causes, improved range accuracy.
(4) description of drawings:
Fig. 1 connects sketch map for the communication of a kind of embodiment of the communication means of the related a kind of old mark system of the present invention and application thereof;
Fig. 2 connects sketch map for the communication of the another kind of embodiment of the communication means of the related a kind of old mark system of the present invention and application thereof;
(5) embodiment:
Embodiment 1: a kind of communication means of old mark system is characterized in that it may further comprise the steps:
1. when certain point of traction net breaks down, detect fault and send startup so the mark signal by the measure and control device that is installed in electric iron protection for feed line side;
2. old mark system is received above-mentioned so behind the mark signal, judge that this enabling signal is left supply arm or right supply arm;
3. send total calling frame through all former device for mark on the faulty line of communication network in this side supply arm;
4. when the former device for mark of each electric substation on the supply arm, AT institute, section post receives the calling frame that step sends in 3.; From internal memory, take out the data that meet this time scale information; Calculate effective value, be uploaded to electric substation's event device for mark, and accomplish range finding result's calculating;
5. the communication processing apparatus by traction substation receives the result of calculation that the event device for mark sends according to communication network, and uploads to local monitoring and scheduling station.
A kind of old mark system (see figure 1) that realizes above-mentioned communication means comprises electric power system, supply arm, electric iron feeder line, it is characterized in that old mark system also by gps satellite clock, designated lane, so device for mark and communication processing apparatus are formed; Wherein, said gps satellite clock is 3, and the one of which end is installed in each electric substation, AT institute and the place, section post place of supply arm, and the other end then is connected with the event device for mark; Said so device for mark is 5, be installed on each electric substation, AT institute and place, section post place, and its passage is realized interconnecting; So device for mark is connected, output is connected with the input of scheduling station with the locality monitoring respectively said communication processing apparatus input with electric substation; Said passage is the designated lane of event mark signal.
Embodiment 2: a kind of communication means of old mark system is characterized in that it may further comprise the steps:
1. when certain point of traction net breaks down, detect fault and send startup so the mark signal by the measure and control device that is installed in electric iron protection for feed line side;
2. old mark system is received above-mentioned so behind the mark signal, judge that this enabling signal is left supply arm or right supply arm;
3. send total calling frame through all former device for mark on the faulty line of communication network in this side supply arm;
4. when the former device for mark of each electric substation on the supply arm, AT institute, section post receives the calling frame that step sends in 3.; From internal memory, take out the data that meet this time scale information; Calculate effective value, be uploaded to electric substation's range unit, and accomplish range finding result's calculating;
5. the communication processing apparatus by traction substation receives the result of calculation that range unit sends according to communication network, and uploads to local monitoring and scheduling station.
Above-mentioned said connection is so the communication network of device for mark and communication processing apparatus is to adopt fieldbus FDKBUS or Ethernet.
A kind of old mark system (see figure 2) that realizes above-mentioned communication means; Comprise power supply complex automatic system, electric power system, supply arm, electric iron feeder line, it is characterized in that old mark system also by gps satellite clock, passage, so device for mark, range unit and communication processing apparatus are formed; Wherein, said gps satellite clock is 3, and the one of which end is installed in electric substation, the AT institute and the place, section post place of supply arm, the other end then with so being connected of device for mark; Said so device for mark is 5, be installed on electric substation, AT institute and place, section post place, and realize interconnecting according to combining from passage; The output of said communication processing apparatus is connected with the input of central processing unit and scheduling station respectively, and so this communication processing apparatus is to accept the device of mark signal.
Above-mentioned said passage is an old mark system and the public passage of complex automatic system.
Claims (9)
1. the communication means of an old mark system is characterized in that it may further comprise the steps:
1. when certain point of traction net breaks down, detect fault and send startup so the mark signal by the measure and control device that is installed in electric iron protection for feed line side;
2. old mark system is received above-mentioned startup so behind the mark signal, judge this startup so the mark signal is left supply arm or right supply arm;
3. send total calling frame through all former device for mark on the faulty line of communication network in this side supply arm;
4. when total calling frame that the former device for mark of each electric substation on the supply arm, AT institute, section post receives that step sends in 3.; From internal memory, take out the data that meet this time scale information; Calculate effective value, be uploaded to electric substation's range unit, and accomplish range finding result's calculating;
5. the communication processing apparatus by traction substation receives the result of calculation that range unit sends according to communication network, and uploads to local monitoring and scheduling station.
2. according to the communication means of a kind of old mark system described in the claim 1, it is characterized in that the total calling frame described in said step 3. comprises the markers that starts event mark signal.
3. according to the communication means of a kind of old mark system described in the claim 1, it is characterized in that the communication network of said range unit and communication processing apparatus adopts serial ports RS232, fieldbus RS485, fieldbus FDKBUS, UTP Ethernet or fiber optic Ethernet.
4. an old mark system of realizing communication means in the claim 1 comprises external electrical network, supply arm, electric iron feeder line, it is characterized in that old mark system also by gps satellite clock, passage, so device for mark, range unit and communication processing apparatus are formed; Wherein, said gps satellite clock is no less than one, and the one of which end is installed in each power supply station, electric substation, AT institute and the place, section post place of supply arm, and the other end then is connected with the event device for mark; Said so device for mark is no less than one, be installed on electric substation, AT institute and place, section post place, and realize interconnecting according to passage; So device for mark is connected, output is connected with the central processing unit input of scheduling station with the locality monitoring respectively said communication processing apparatus input with electric substation.
5. according to the old mark system described in the claim 4, it is characterized in that said external electrical network comprises electric power system and power supply complex automatic system.
6. according to the old mark system described in the claim 4, it is characterized in that said passage is the signal designated lane of old mark system, or old mark system and the public passage of power supply complex automatic system.
7. according to the old mark system described in the claim 4, it is characterized in that said communication processing apparatus is the device of transmission range finding consequential signal, or receive so the device of mark signal.
8. according to the old mark system described in the claim 4, the external electrical network that it is characterized in that said old mark system is an electric power system, and communication processing apparatus is the device of transmission range finding consequential signal, and passage is the signal designated lane of old mark system.
9. according to the old mark system described in the claim 4, it is characterized in that the external electrical network of said old mark system is power supply complex automatic system and electric power system, so communication processing apparatus is to receive the device of mark signal; Said passage is old mark system and the public passage of power supply complex automatic system.
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| CN200710151163XA CN101465771B (en) | 2007-12-21 | 2007-12-21 | Communication method of old mark system and application thereof |
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| CN200710151163XA CN101465771B (en) | 2007-12-21 | 2007-12-21 | Communication method of old mark system and application thereof |
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| CN101465771B true CN101465771B (en) | 2012-02-22 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101923138B (en) * | 2010-07-23 | 2013-07-10 | 南京国电南自轨道交通工程有限公司 | AT (Autotransformer) line fault ranging system with built-bin GPS (Global Positioning System) module |
| CN103715670B (en) * | 2013-12-30 | 2016-05-18 | 西南交通大学 | A kind of high-speed railway supply arm connection based on impedance characteristic is jumped guard method |
| CN103715671B (en) * | 2013-12-30 | 2016-04-06 | 西南交通大学 | Guard method jumped by a kind of connection of the high-speed railway supply arm based on current characteristic |
| CN104320438B (en) * | 2014-10-08 | 2018-11-13 | 成都交大许继电气有限责任公司 | The high reliability data transmission system of traction power supply operation management system |
| CN105425102A (en) * | 2015-11-03 | 2016-03-23 | 成都交大许继电气有限责任公司 | High speed railway fault distance measuring system based on power supply arms |
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| CN1367392A (en) * | 2001-12-28 | 2002-09-04 | 清华大学 | High-accuracy failure wave-recording device and its transmission line combined failure distance-measuring method |
| CN1376930A (en) * | 2002-01-31 | 2002-10-30 | 国家电力公司武汉高压研究所 | Method and equipment for positioning failure point of power transmission line |
| CN101017974A (en) * | 2007-03-06 | 2007-08-15 | 耿玉泉 | Single phase grounding failure positioning method and device of neutral point non direct grounding power grid |
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| CN1367392A (en) * | 2001-12-28 | 2002-09-04 | 清华大学 | High-accuracy failure wave-recording device and its transmission line combined failure distance-measuring method |
| CN1376930A (en) * | 2002-01-31 | 2002-10-30 | 国家电力公司武汉高压研究所 | Method and equipment for positioning failure point of power transmission line |
| CN101017974A (en) * | 2007-03-06 | 2007-08-15 | 耿玉泉 | Single phase grounding failure positioning method and device of neutral point non direct grounding power grid |
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