CN102975745A - Preventative maintenance system and preventative maintenance method of subway signal system - Google Patents
Preventative maintenance system and preventative maintenance method of subway signal system Download PDFInfo
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- CN102975745A CN102975745A CN201210507163XA CN201210507163A CN102975745A CN 102975745 A CN102975745 A CN 102975745A CN 201210507163X A CN201210507163X A CN 201210507163XA CN 201210507163 A CN201210507163 A CN 201210507163A CN 102975745 A CN102975745 A CN 102975745A
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Abstract
The invention provides a preventative maintenance method of a subway signal system. The preventative maintenance method comprises the following steps of S1, setting alarm threshold values of state data of devices, which are in need of preventative maintenance, in the subway signal system; S2, obtaining state initial data of each device, converting the state initial data according to needs, and storing secondary data in a database after forming the secondary data; and S3, deducing the expected overtime of each device according to the alarm threshold values and the secondary data stored in the database by utilizing a data fitting and trend prediction method. According to the preventative maintenance method provided by the invention, the expected overtime of each signal device can be deduced through the operating state which is monitored and recorded, in-time alarm can be carried out on the device which is abnormal or deviates from a preset limit at the same time, and thus potential safety hazard can be completely eradicated. The invention also provides a preventative maintenance system of the subway signal system.
Description
Technical field
The present invention relates to the transit equipment area of maintenance, particularly preventative maintenance system and the method for a kind of subway signal system.
Background technology
The Urban Rail Transit Signal control system is one of infrastructure device of railway transportation, it is undertaking transmission and the monitor task of the information such as instruction control of real-time status, the transportation control of operation conditions, the train operation of road network up train equipment, in the control train operation, guarantee train safe, guarantee that the high efficiency operation organizational aspects bringing into play central role.Subway signal generally adopts microcomputer detecting system as the means of signal system repair based on condition of component at present, but microcomputer detecting system can not provide the fault expection of equipment, only can accomplish that the ability announcement apparatus needs to safeguard when the event that transfinites occurs, so that service personnel can only be in the passive maintenance state.
In order to break away from the maintenance passive situation, subway communication maintenance department formulated current maintenance, in repair, the maintenance plan such as overhaul.Wherein, the cycle of Repair of signal equipment and replacing basically be the device parameter that provides in conjunction with producer and service personnel in the past the historical experience value and decide, to lack like this support of real-world operation status data, time gap granularity between twice maintenance is larger, thereby cause two kinds of results: a kind of is because of the too high excessive maintenance that causes of plant maintenance frequency, increases maintenance cost; Another kind is owing to the equipment individual difference, so that when the real maintenance palpus on opportunity of certain equipment shifted to an earlier date in planned time, service personnel but can't be discovered, and buries potential safety hazard.
Therefore, prior art still awaits improving.
Summary of the invention
Deficiency for the prior art existence; the invention provides preventative maintenance system and the method for a kind of subway signal system; so that the expection overtime of each signalling set can by the monitoring and the record running state deduce; can also carry out and alarm equipment unusual or that depart from predetermined threshold occurring simultaneously, to stop potential safety hazard.
The present invention is achieved by the following technical programs:
The P/M method of a kind of subway signal system may further comprise the steps:
S1: to needing the equipment of preventive maintenance in the subway signal system, set the alarming threshold value of its status data;
S2: obtain the state original data of described each equipment, and according to using needs it is changed, be stored in the data bank after the formation secondary data;
S3: utilize data fitting and trend forecasting method, according to described alarming threshold value and the secondary data that is stored in the data bank, deduce the expection overtime of each equipment.
Described method further comprises:
S0: before in the subway signal system, needing the equipment of preventive maintenance to open use, its analog quantity, switching value and measuring accuracy thereof are checked.
Described method further comprises:
S4: for described equipment, when the state original data among the step S2 surpasses the alarming threshold value of its setting, send warning; When described state original data does not surpass this alarming threshold value, the output expection overtime.
Described step S2 further comprises:
S21: obtain the state original data of each equipment in the subway signal system, and be stored in each corresponding signaling subsystem workover rig;
S22: the state original data in described each signaling subsystem workover rig sent to by the signal maintenance private network safeguard monitor server;
S23: the described monitor server of safeguarding is to the state original data that the receives processing of classifying, and changes according to using needs, forms secondary data;
S24: described secondary data is stored in the data bank;
Among the described step S21, described equipment comprises selfdiagnosis equipment and non-selfdiagnosis equipment; Wherein, the state original data of selfdiagnosis equipment gathers by the oneself and obtains; The state original data of non-selfdiagnosis equipment is obtained by the upper layer signal subsystem collection under it.
The expection overtime of deducing each equipment among the described step S3 comprises the expection overtime of deducing each equipment simulating amount and the expection overtime of deducing each facility switching amount, and further may further comprise the steps:
S31: to described secondary data, carry out curve fitting according to its statistical distribution or count distribution;
S32: draw after the match the at any time trend of countershaft of curve;
S33: with the intersection of trend curve and alarming threshold value as the expection overtime.
The preventative maintenance system of a kind of subway signal system,, include:
Setup unit is used for the equipment that needs preventive maintenance in the subway signal system is carried out the setting of status data alarming threshold value;
Data processing unit is used for obtaining the state original data of described each equipment, and according to using needs it is changed, and is stored in the data bank after forming secondary data;
Data are deduced the unit, are used for utilizing data fitting and trend forecasting method according to described alarming threshold value and the secondary data that is stored in data bank, deduce the expection overtime of each equipment.
Described system further comprises alarm unit; When the state original data of described equipment surpasses the alarming threshold value of its setting, send warning.
Described system further comprises the check unit, in the subway signal system, to need to be used for the equipment of preventive maintenance to open use before, its analog quantity, switching value and measuring accuracy thereof are checked.
The present invention utilizes data fitting and trend forecasting method, and the main running state of each equipment in monitoring and the recording signal system is deduced expection overtime of each signalling set, offers service personnel, for the rational of maintenance schedule provides foundation; Simultaneously, when signalling set work departs from predetermined threshold or occurs can in time reporting to the police when unusual, avoid because of breakdown of equipment or operate safety, the running on time that affects train against regulations.
Description of drawings
Fig. 1 is diagram of circuit of the present invention;
Fig. 2 is system and device figure of the present invention.
The specific embodiment
Regard to down preventative maintenance system and the method for proposed by the invention a kind of subway signal system, describe in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1:
The invention provides the P/M method of a kind of subway signal system, may further comprise the steps:
S1: to needing the equipment of preventive maintenance in the subway signal system, set the alarming threshold value of its status data;
S2: obtain the state original data of described each equipment, and according to using needs it is changed, be stored in the data bank after the formation secondary data;
S3: utilize data fitting and trend forecasting method, according to described alarming threshold value and the secondary data that is stored in the data bank, deduce the expection overtime of each equipment.
Described method further comprises:
S0: before in the subway signal system, needing the equipment of preventive maintenance to open use, its analog quantity, switching value and measuring accuracy thereof are checked.
Described method further comprises:
S4: for described equipment, when the state original data among the step S2 surpasses the alarming threshold value of its setting, send warning; When described state original data does not surpass this alarming threshold value, the output expection overtime.
Described step S2 further comprises:
S21: obtain the state original data of each equipment in the subway signal system, and be stored in each corresponding signaling subsystem workover rig;
S22: the state original data in described each signaling subsystem workover rig sent to by the signal maintenance private network safeguard monitor server;
S23: the described monitor server of safeguarding is to the state original data that the receives processing of classifying, and changes according to using needs, forms secondary data;
S24: described secondary data is stored in the data bank;
Among the described step S21, described equipment comprises selfdiagnosis equipment and non-selfdiagnosis equipment; Wherein, the state original data of selfdiagnosis equipment gathers by the oneself and obtains; The state original data of non-selfdiagnosis equipment is obtained by the upper layer signal subsystem collection under it.
The expection overtime of deducing each equipment among the described step S3 comprises the expection overtime of deducing each equipment simulating amount and the expection overtime of deducing each facility switching amount, and further may further comprise the steps:
S31: to described secondary data, carry out curve fitting according to its statistical distribution or count distribution;
S32: draw after the match the at any time trend of countershaft of curve;
S33: with the intersection of trend curve and alarming threshold value as the expection overtime.
The preventative maintenance system of a kind of subway signal system includes:
Setup unit is used for the equipment that needs preventive maintenance in the subway signal system is carried out the setting of status data alarming threshold value;
Data processing unit is used for obtaining the state original data of described each equipment, and according to using needs it is changed, and is stored in the data bank after forming secondary data;
Data are deduced the unit, are used for utilizing data fitting and trend forecasting method according to described alarming threshold value and the secondary data that is stored in data bank, deduce the expection overtime of each equipment.
Described system further comprises alarm unit; When the state original data of described equipment surpasses the alarming threshold value of its setting, send warning.
Described system further comprises the check unit, in the subway signal system, to need to be used for the equipment of preventive maintenance to open use before, its analog quantity, switching value and measuring accuracy thereof are checked.
Embodiment 2:
Present embodiment is further explained and illustrates the present invention by reference to the accompanying drawings, as shown in Figure 1:
S1: to needing the equipment of preventive maintenance in the subway signal system, set the alarming threshold value of its status data; Described preventive maintenance equipment provides alarm threshold value typing interface, and before equipment was opened use, service personnel was tackled its analog quantity, switching value and measuring accuracy and checked, and the typing of completion status data alarming threshold value.
S2: obtain the state original data of described each equipment, and according to using needs it is changed, be stored in the data bank after the formation secondary data;
Wherein said each equipment comprises selfdiagnosis equipment and non-selfdiagnosis equipment; To having the state original data of selfdiagnosis equipment, for example automatic train monitor, interlocking are stored in each corresponding signaling subsystem workover rig after can obtaining by oneself's collection; To non-selfdiagnosis equipment, for example track switch voltage, relay status, shielded gate state can obtain in the upper layer signal subsystem collection under it, are stored in each signaling subsystem workover rig;
Described equipment state original data is by each signal system workover rig, send to by the signal maintenance private network and to safeguard monitor server, by safeguarding monitor server to the processing of classifying of state original data, and change according to using needs, form secondary data, be stored in the data bank.
S3: utilize data fitting and trend forecasting method, according to described alarming threshold value and the secondary data that is stored in the data bank, deduce the expection overtime of each equipment;
From data bank, extract current secondary data, according to alarm threshold value, described secondary data is carried out data fitting and trend prediction; Analog quantity to described equipment carries out curve fitting, according to its statistical distribution, obtain its average, maxim, minimum value and walk power curve, the calculated curve maximum slope, draw after the match the at any time trend of countershaft of curve, the intersection of this trend curve and analog quantity alarm threshold value is as its expection overtime; Switching value to described equipment carries out curve fitting, according to its count distribution, cumulative by the switch motion number of times, obtain its matched curve, and curvilinear trend analyzed, the trend of curve after the drafting match, the intersection of this trend curve and switching value alarm threshold value is as the switching value expection overtime.
Safeguard the state original data of each subsystem of monitor server Real-Time Monitoring, when described state original data does not surpass alarming threshold value, provide the expection overtime; When described state original data surpasses its corresponding alarming threshold value, for example analog quantity surpasses the highest/minimum limit value, the switching value action frequency reaches the limit value of maintenance times, automatic alarm then, the prompting maintainer overhauls and the attended operation such as replacing, reach P/M, reduce the purpose that grave accident occurs.
Characteristics according to equipment state original data real-time change, described matched curve and this trend curve all adopt dynamic generation, and then so that the equipment expection overtime also constantly updating variation, is convenient to signal maintainer and obtains at any time the latest equipment state trend, in time adjust maintenance schedule.
Embodiment 3:
As shown in Figure 2, the present invention also provides the preventative maintenance system of a kind of subway signal system, includes:
Setup unit is used for the equipment that needs preventive maintenance in the subway signal system is carried out the setting of status data alarming threshold value;
Data processing unit is used for obtaining the state original data of described each equipment, and according to using needs it is changed, and is stored in the data bank after forming secondary data;
Data are deduced the unit, are used for utilizing data fitting and trend forecasting method according to described alarming threshold value and the secondary data that is stored in data bank, deduce the expection overtime of each equipment.
Described system further comprises alarm unit; When the state original data of described equipment surpasses the alarming threshold value of its setting, send warning.
Described system further comprises the check unit, in the subway signal system, to need to be used for the equipment of preventive maintenance to open use before, its analog quantity, switching value and measuring accuracy thereof are checked.
The present invention utilizes data fitting and trend forecasting method, the main running state of each equipment in monitoring and the recording signal system, the expection overtime of deducing each signalling set offers service personnel, for the rational of maintenance schedule provides foundation, so that periodical maintenance can be evidence-based, be convenient to the rationalization that maintenance intervals is formulated, avoided excessively protecting the waste expense that causes; Simultaneously, signalling set work departs from predetermined threshold or occurs can in time reporting to the police when unusual, avoids because of breakdown of equipment or operates safety, the running on time that affects train against regulations.
Above embodiment only is used for explanation the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; in the situation that does not break away from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims fixed.
Claims (9)
1. the P/M method of a subway signal system is characterized in that, may further comprise the steps:
S1: to needing the equipment of preventive maintenance in the subway signal system, set the alarming threshold value of its status data;
S2: obtain the state original data of described each equipment, and according to using needs it is changed, be stored in the data bank after the formation secondary data;
S3: utilize data fitting and trend forecasting method, according to described alarming threshold value and the secondary data that is stored in the data bank, deduce the expection overtime of each equipment.
2. the method for claim 1 is characterized in that, described method further comprises:
S0: before in the subway signal system, needing the equipment of preventive maintenance to open use, its analog quantity, switching value and measuring accuracy thereof are checked.
3. the method for claim 1 is characterized in that, described method further comprises:
S4: for described equipment, when the state original data among the step S2 surpasses the alarming threshold value of its setting, send warning; When described state original data does not surpass this alarming threshold value, the output expection overtime.
4. the method for claim 1 is characterized in that, described step S2 further comprises:
S21: obtain the state original data of each equipment in the subway signal system, and be stored in each corresponding signaling subsystem workover rig;
S22: the state original data in described each signaling subsystem workover rig sent to by the signal maintenance private network safeguard monitor server;
S23: the described monitor server of safeguarding is to the state original data that the receives processing of classifying, and changes according to using needs, forms secondary data;
S24: described secondary data is stored in the data bank.
5. method as claimed in claim 4 is characterized in that, among the described step S21, described equipment comprises selfdiagnosis equipment and non-selfdiagnosis equipment; Wherein, the state original data of selfdiagnosis equipment gathers by the oneself and obtains; The state original data of non-selfdiagnosis equipment is obtained by the upper layer signal subsystem collection under it.
6. the method for claim 1, it is characterized in that, the expection overtime of deducing each equipment among the described step S3 comprises the expection overtime of deducing each equipment simulating amount and the expection overtime of deducing each facility switching amount, and further may further comprise the steps:
S31: to described secondary data, carry out curve fitting according to its statistical distribution or count distribution;
S32: draw after the match the at any time trend of countershaft of curve;
S33: with the intersection of trend curve and alarming threshold value as the expection overtime.
7. the preventative maintenance system of a subway signal system is characterized in that, includes:
Setup unit is used for the equipment that needs preventive maintenance in the subway signal system is carried out the setting of status data alarming threshold value;
Data processing unit is used for obtaining the state original data of described each equipment, and according to using needs it is changed, and is stored in the data bank after forming secondary data;
Data are deduced the unit, are used for utilizing data fitting and trend forecasting method according to described alarming threshold value and the secondary data that is stored in data bank, deduce the expection overtime of each equipment.
8. system as claimed in claim 7 is characterized in that, this system further comprises alarm unit; When the state original data of described equipment surpasses the alarming threshold value of its setting, send warning.
9. system as claimed in claim 7 is characterized in that, this system further comprises the check unit, in the subway signal system, to need to be used for the equipment of preventive maintenance to open use before, its analog quantity, switching value and measuring accuracy thereof are checked.
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| CN105425776A (en) * | 2015-12-10 | 2016-03-23 | 北京交控科技股份有限公司 | Subway-signal-system vehicle-mounted equipment switching value input channel fault self-inspection system |
| CN108288019A (en) * | 2017-12-06 | 2018-07-17 | 中国铁道科学研究院电子计算技术研究所 | A kind of urban track traffic preventative maintenance object identifying method and device |
| CN108891449A (en) * | 2018-05-31 | 2018-11-27 | 上海工程技术大学 | Metro operation real time location tracking based on wireless base station controls analogue system |
| CN114757382A (en) * | 2022-06-13 | 2022-07-15 | 深圳市永达电子信息股份有限公司 | Subway shielded door remote maintenance method and system based on cloud platform |
| CN114842623A (en) * | 2022-03-28 | 2022-08-02 | 广州明珞装备股份有限公司 | Workshop alarm trend analysis method, system, equipment and storage medium |
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| CN114757382A (en) * | 2022-06-13 | 2022-07-15 | 深圳市永达电子信息股份有限公司 | Subway shielded door remote maintenance method and system based on cloud platform |
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