CN112061174A - Intelligent monitoring device and method for turnout conversion resistance - Google Patents
Intelligent monitoring device and method for turnout conversion resistance Download PDFInfo
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- CN112061174A CN112061174A CN202010738821.0A CN202010738821A CN112061174A CN 112061174 A CN112061174 A CN 112061174A CN 202010738821 A CN202010738821 A CN 202010738821A CN 112061174 A CN112061174 A CN 112061174A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K3/00—Wetting or lubricating rails or wheel flanges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/10—Locking mechanisms for points; Means for indicating the setting of points
Abstract
An intelligent monitoring device and method for switch conversion resistance, including the switch conversion resistance intelligent monitoring device collects the curve of the change of the output resistance of the switch machine in the switch conversion process and the curve of the change of the motor current, and simultaneously saves the parameter information of the action time and the environment temperature; the switch conversion resistance intelligent monitoring device also has the function of injecting lubricating oil to the switch outer lock. The defects that in the prior art, railway maintenance personnel spend a large amount of time to inject oil to the turnout by using an oil gun or an oil brush to cause great manpower and material resource waste, personal safety hazards exist and interference is brought to the train running order are effectively overcome.
Description
Technical Field
The embodiment of the invention relates to the technical field of turnout switching, in particular to an intelligent turnout switching resistance monitoring device and method.
Background
The switch machine is used for switching points, and each point is provided with one switch machine which is arranged at a point rail of the point. Its basic functions are: the position of the switch is changed, namely, the switch is turned to the positioning position or the reverse position according to the intention of an operator. The switching machine conversion force can comprehensively and truly reflect the turnout working condition, the corresponding turnout conversion resistance is obtained, and all levels of units of the electric department pay great attention to the turnout conversion resistance.
The turnout switching resistance reflects the turnout working condition from the following aspects:
(1) the sliding plate friction and the sliding plate lack oil, so that the conversion resistance is increased;
(2) the poor foundation of the track bed causes the deformation of the turnout frame, and the conversion resistance is increased;
(3) foreign matter jamming causes an increase in conversion resistance;
(4) the outer lock is lack of oil or the frame rubs, so that the unlocking and locking are difficult;
(5) poor close contact or abnormal locking causes abnormal stress of the action rod due to wheel pair impact in the vehicle passing process;
(6) and when the multiple machines are towed, the action time sequence and the tractive force distribution condition of each towing point are grasped, and the like.
The existing oil pressure measuring device for the turnout switching process can find potential faults of an electro-hydraulic switch machine in advance; for the electric switch machine, resistance measurement data of the electric switch machine is indirectly formed by measuring electric parameters such as working voltage, current, active power, power factors and the like of the electric switch machine, and the indirect measurement scheme has certain deviation in measurement precision.
In addition, on the prior railway external locking turnout, the action and the locking of the turnout are finished by using a locking plate to drive a locking hook and using the locking hook to hook a locking frame. Due to repeated pulling of the turnout, the friction between the locking plate and the locking hook is increased, so that abrasion is caused, the use is influenced, and the service life is shortened. Therefore, it is required to constantly add lubricating oil to these portions of the switch outer lock which are easily rubbed, so that the portions are always kept in a lubricating state.
Currently, all the refueling work is finished manually. Because the traffic density is big, the switch action is corresponding frequent, and external weather changes makes the operational environment worse in addition, and on-the-spot railway maintenance personal spends a large amount of time with grease gun or oil brush to the oiling of switch, not only causes very big manpower and materials waste, still has the human potential safety hazard problem. With the use of high-speed trains and passenger dedicated lines, the maintenance mode of turnouts is greatly changed, all maintenance time is concentrated at night, particularly after rainy days, the external locking device is lubricated, and the turnouts can be maintained only by applying for operating points, so that the interference is brought to the driving order.
Disclosure of Invention
In order to solve the problems, the embodiment of the invention provides an intelligent monitoring device and method for switch conversion resistance, which effectively overcome the defects that in the prior art, due to the fact that the switch oiling causes railway maintenance personnel to spend a large amount of time to oil switches by using an oiling gun or an oiling brush, the great manpower and material waste is caused, the potential personal safety hazard exists, and the interference is caused to the driving order.
In order to overcome the defects in the prior art, the embodiment of the invention provides a solution for an intelligent monitoring device and method for switch switching resistance, which comprises the following specific steps:
a method of a switch switching resistance intelligent monitoring device comprises the following steps:
the intelligent monitoring device for the turnout switching resistance collects a curve of output resistance change of a point switch in the turnout switching process and a curve of motor current change, and parameter information such as action time and environment temperature is stored;
the intelligent monitoring device for turnout switching resistance also has the function of injecting lubricating oil to the turnout outer lock.
Further, the collection of the resistance curve in the turnout switching process comprises the following steps:
the resistance monitoring extension judges the starting time and the ending time of the turnout conversion process through data collected by the resistance mutual inductor, caches and stores resistance data collected by a sensor in the process and forms a curve; and the station machine acquires the curve record cached by the resistance monitoring extension set in a periodic reading mode and stores the curve record into a hard disk.
Further, the acquisition of the motor current variation curve includes: when the resistance curve is collected, the resistance monitoring branch can record the current change condition of a motor for pulling the turnout, and a curve of circuit change is formed for storage.
Furthermore, by analyzing the resistance curve, the change condition of resistance and current in the turnout switching process can be seen, and the curve can be displayed in stages, wherein the turnout switching process is divided into five stages including before unlocking, switching, locking and after locking;
the method for the intelligent monitoring device for the turnout switch resistance further comprises the following steps:
the current resistance curve can be set as a standard conversion resistance curve of the same turnout conversion direction;
the friction curve used as resistance in the turnout switching period can be distinguished from the normal curve and automatically stored;
performing a temperature acquisition function on the action connecting rod in the turnout conversion process;
when the resistance curve value exceeds the pre-warning value, the station software gives out pre-warning information and can inquire in the pre-warning historical record;
when the difference value between the resistance curve value and the set standard curve exceeds a set value, the station software can give out early warning information and can inquire in the early warning historical record.
Analyzing a resistance curve in the turnout conversion process, wherein the resistance curve has curve information such as data acquisition time, turnout conversion direction, turnout conversion duration, maximum value, occurrence time, average value and temperature; the standard curve of the same turnout conversion direction is compared with the coordinate;
the daily statistic analysis of the resistance in the turnout conversion process comprises the statistics of the maximum value, the average value and the temperature of the resistance curve in each turnout conversion process, and a daily statistic curve is formed; the switch directions of the turnouts form statistical curves respectively;
forming a daily statement of the turnout conversion process resistance, and presenting the resistance statistical content of the turnout conversion process on the same day in a table form: maximum value of the daily switching resistance, maximum value of the daily switching resistance average value, occurrence time and temperature.
Further, the function of injecting lubricating oil into the turnout external locking comprises
Automatic refueling according to strategies and manual triggering refueling;
the strategic automatic refueling comprises:
setting a turnout action frequency refueling strategy: automatically adding oil according to the set turnout action times;
setting a periodic refueling strategy: automatically and periodically refueling according to a set time interval;
and (3) compounding strategies: in a set time interval, oil is added preferentially according to a strategy of arriving first;
and (3) resistance overproof refueling strategy: setting a resistance threshold value, and controlling automatic oiling through judging by a station machine;
the manual trigger refuels includes: the station terminal can remotely and manually trigger any one group, multiple groups and total station turnout refueling actions, or,
the single refueling device can be triggered to refuel on site;
oil level warning, it includes:
the station terminal displays the oil level and the operation state of the equipment in a station field graph mode, and the state of each equipment corresponds to 1 interface element; warning that the oil level in the oil tank is lower than 40mm, and warning that the oil level is lower than 30 mm; the station terminal is connected with green, orange and red indicator lamps, wherein the green indicator lamp is lightened to indicate that the refueling equipment works normally; an orange indicator lamp is lighted to indicate that the refueling equipment works abnormally; the red indicator lamp is lightened to show that the oil level in the oil tank is too low; the station software is used for providing an oil level alarm record query interface of the oil tank or providing a current oil level statistical table;
a fueling record, comprising:
and the station machine end records the time point of automatic oiling of each turnout and provides a record query interface.
The utility model provides a switch conversion resistance intelligent monitoring device, includes:
the device comprises a resistance sensor, a resistance collecting branch, a refueling host and a refueling device;
the station machine adopts an industrial control machine, runs station machine software, controls the resistance monitoring extension through a switch and communication equipment, and issues a resistance data acquisition instruction to the resistance acquisition extension; the intelligent controller is arranged in the monitoring branch, a curve of resistance change and a curve of motor current change output by the switch machine in the switch conversion process are collected according to switch conversion or vehicle passing signals, parameter information such as action time and environment temperature is stored at the same time, and instruction acquisition is waited under the software of the station machine.
In addition, the station machine controls the refueling host machine to issue a refueling instruction to the refueling host machine, and an intelligent controller arranged in the refueling host machine operates an oil path power and distribution unit in the host machine according to a station machine refueling strategy and set parameters, so that oil flows out from an oil tank to an oil nozzle through an oil pipe, and automatic refueling of the turnout external locking device is realized; meanwhile, the station machine establishes different oiling strategies by counting the pulling times of the friction part of the turnout outer locking device and monitoring the resistance of the friction part of the outer locking device, so that intelligent oiling is realized.
The system comprises station machine software, wherein the station machine software can realize the functions of displaying a resistance curve in the turnout conversion process, pre-alarming for resistance overrun in the conversion process and statistical analysis;
the software of the station is connected to the intelligent monitoring device of the switch switching resistance through the network.
The embodiment of the invention has the beneficial effects that:
the invention develops a novel switch conversion resistance intelligent monitoring device and a novel switch conversion resistance intelligent monitoring method which are used as a switch conversion resistance measuring structure, can directly measure the resistance of an electric switch machine in the conversion process, show the change condition of output force and pulling current in a curve form, simultaneously store the parameter information of action time, environment temperature and the like, can efficiently analyze the working condition of a switch, realize the purpose of automatically adding lubricating oil aiming at an external locking friction pair automatic oiling device, ensure the reliable locking of the switch, further reduce the online times of maintenance personnel and improve the maintenance working efficiency.
Drawings
Fig. 1 is a partial flow chart of the method of the switch switching resistance intelligent monitoring device of the invention.
Fig. 2 is a structural diagram of the switch switching resistance intelligent monitoring device of the invention.
Detailed Description
The turnout switch monitoring system is designed for enhancing the operation reliability in the turnout switch process and improving the maintenance efficiency, needs to carry out real-time online monitoring and analysis on the turnout switch resistance, can give an alarm in time after the change of the turnout switch resistance exceeds the standard, enables a user to find out hidden trouble and fault of the turnout in time, eliminates the hidden trouble and provides a scientific and technological means for realizing the turnout 'state repair'.
The design objective of the invention is as follows:
(1) the method has the advantages that the real-time monitoring of the direct turnout conversion resistance of the turnout is realized, each turnout conversion can be measured, and a turnout conversion resistance curve is generated;
(2) forming a distributed data network, uploading the monitoring data to a station machine, and enabling each unit to check corresponding data according to the authority;
(3) according to the acquired turnout conversion resistance curve data, the current working condition of the turnout can be accurately judged by further intelligent statistical analysis and an artificial intelligence algorithm and an expert rule base according to the change trend of resistance, early warning and fault positioning are given, and scientific and technological means are provided for realizing 'state repair' of the turnout.
The embodiments of the present invention will be further described with reference to the drawings and the embodiments.
The invention develops research aiming at the problems in the prior art, develops an intelligent monitoring device and a method for turnout conversion resistance as a temporary speed-limiting server software simulation automatic test system, simulates interfaces of a CTC-TSRS temporary speed-limiting server and the like, automatically issues temporary speed-limiting commands, automatically collects return information and checks consistency with steps according to pre-compiled test scripts and engineering data of relevant lines, and realizes automatic test of temporary speed-limiting server software simulation. The system can automatically generate test cases, automatically test and automatically analyze test results, realize one-key full-automatic test and effectively improve the efficiency and accuracy of the simulation test of the electric service simulation personnel on the temporary speed-limiting server software.
As shown in fig. 1-2, the method for switch switching resistance intelligent monitoring device includes:
the intelligent monitoring device for the turnout switching resistance collects a curve of output resistance change of a point switch in the turnout switching process and a curve of motor current change, and parameter information such as action time and environment temperature is stored; switch conversion resistance intelligent monitoring device still has and injects lubricating oil function to the outer locking of switch, carries out automatic oiling according to multiple tactics, reduces the emergence of trouble to a certain extent. Resistance curve gathers in the switch conversion process, includes:
the resistance monitoring extension set judges the starting time and the ending time of the turnout conversion process through data collected by the resistance mutual inductor, caches and stores resistance data collected by a sensor in the process and forms curves, the resistance monitoring extension set can cache 4 curves, and the maximum time of each curve is 40 seconds; and the station machine acquires the curve record cached by the resistance monitoring extension set in a periodic reading mode and stores the curve record into a hard disk. The collection of the motor current change curve comprises the following steps: when the resistance curve is collected, the resistance monitoring branch can record the current change condition of a motor for pulling the turnout, and a curve of circuit change is formed for storage. The turnout switching current can be used as a pulling starting signal to trigger the resistance curve acquisition in the switching process. By analyzing the resistance curve, the change conditions of resistance and current in the turnout switching process can be seen, and the curve can be displayed in stages, and the turnout can be divided into five stages before unlocking, switching, locking and locking at present, so that the resistance data in the pulling process can be conveniently analyzed; the method of the switch switching resistance intelligent monitoring device further comprises the following steps: the current resistance curve can be set as a standard conversion resistance curve of the same turnout conversion direction; the friction curve used as resistance in the turnout switching period can be distinguished from the normal curve and automatically stored; performing a temperature acquisition function on the action connecting rod in the turnout conversion process; when the resistance curve value exceeds the pre-warning value, the station software gives out pre-warning information and can inquire in the pre-warning history record; when the difference value between the resistance curve value and the set standard curve exceeds a set value, the stop machine software can give out early warning information and can inquire in the early warning history record.
Analyzing a resistance curve in the turnout conversion process, wherein the resistance curve has curve information such as data acquisition time, turnout conversion direction, turnout conversion duration, maximum value, occurrence time, average value and temperature; the standard curve of the same turnout conversion direction is compared with the coordinate; daily statistic analysis of resistance in the turnout conversion process, wherein the daily statistic analysis comprises the maximum value, the average value and the temperature of the resistance curve in each turnout conversion process, and a daily statistic curve is formed; the switch directions of the turnouts form statistical curves respectively; forming a daily report of the turnout conversion process resistance, presenting the statistics content of the turnout conversion process resistance on the day in a table form, wherein the processes of determining the turnout in the opposite direction and determining the turnout in the opposite direction are separately counted: maximum value of the daily switching resistance, maximum value of the daily switching resistance average value, occurrence time and temperature.
The function of injecting lubricating oil into the turnout external locking comprises
Automatic refueling according to strategies and manual triggering refueling; the strategic automatic refueling comprises: setting a turnout action frequency refueling strategy: automatically oiling according to the set turnout action times; setting a periodic refueling strategy: automatically and periodically refueling according to a set time interval; and (3) compounding strategies: in a set time interval, oil is added preferentially according to a strategy of arriving first; and if the number of turnout actions is reached, oiling, and resetting the timing.
And (3) resistance overproof refueling strategy: setting a resistance threshold value, and controlling automatic oiling through judging by a station machine; the manual trigger refuels includes: the station terminal can remotely and manually trigger any one group, multiple groups and total station turnout refueling actions, or can trigger a single refueling device to refuel on site; oil level warning, it includes: the station terminal displays the oil level and the operation state of the equipment in a station field graph mode, and each equipment state corresponds to 1 interface element; warning that the oil level in the oil tank is lower than 40mm, and warning that the oil level is lower than 30 mm; the station terminal is connected with green, orange and red indicator lamps, wherein the green indicator lamp is lightened to indicate that the refueling equipment works normally; an orange indicator lamp is lighted to indicate that the refueling equipment works abnormally; the red indicator lamp is lightened to indicate that the oil level in the oil tank is too low; the station machine software is used for providing an oil level alarm record query interface of the oil tank or providing a current oil level statistical table; a fueling record, comprising: the station machine end records the time point of automatic oiling of each turnout and provides a recording and inquiring interface.
The utility model provides a switch conversion resistance intelligent monitoring device, includes:
the device comprises a resistance sensor, a resistance collecting branch, a refueling host and a refueling device;
the station machine adopts an industrial control machine, runs station machine software, controls the resistance monitoring extension through a switch and communication equipment, and issues a resistance data acquisition instruction to the resistance acquisition extension; the intelligent controller is arranged in the monitoring branch, a curve of resistance change and a curve of motor current change output by the switch machine in the switch conversion process are collected according to switch conversion or vehicle passing signals, parameter information such as action time and environment temperature is stored at the same time, and instruction acquisition is waited under the software of the station machine. In addition, the station machine controls the refueling host machine to issue a refueling instruction to the refueling host machine, and an intelligent controller arranged in the refueling host machine operates an oil path power and distribution unit in the host machine according to a station machine refueling strategy and set parameters, so that oil flows out from an oil tank to a fuel nozzle through an oil pipe, and automatic refueling of the turnout external locking device is realized; meanwhile, the station machine sets different oiling strategies by counting the pulling times of the friction part of the turnout outer locking device and monitoring the resistance of the friction part of the outer locking device, so that intelligent oiling is realized. The intelligent monitoring device for the turnout switching resistance realizes the functions through the software of the station machine, and the software of the station machine can realize the functions of displaying a resistance curve in the turnout switching process, pre-warning for the transfinite resistance in the switching process and statistical analysis; the software of the station is connected to the intelligent monitoring device of the switch switching resistance through the network.
While the embodiments of the present invention have been described above in terms of procedures illustrated by the embodiments, it will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, and that various changes, modifications, and substitutions can be made without departing from the scope of the embodiments of the present invention.
Claims (6)
1. A method of a switch switching resistance intelligent monitoring device is characterized by comprising the following steps:
the intelligent monitoring device for the turnout switching resistance collects a curve of output resistance change of a point switch in the turnout switching process and a curve of motor current change, and parameter information such as action time and environment temperature is stored;
the switch conversion resistance intelligent monitoring device also has the function of injecting lubricating oil to the switch outer lock.
2. The method for switch transition resistance intelligent monitoring device according to claim 1, wherein the resistance curve collection in the switch transition process comprises:
the resistance monitoring extension judges the starting time and the ending time of the turnout conversion process through data collected by the resistance mutual inductor, caches and stores resistance data collected by a sensor in the process and forms a curve; and the station machine acquires the curve record cached by the resistance monitoring extension set in a periodic reading mode and stores the curve record into a hard disk.
3. The method for switch transition resistance intelligent monitoring device according to claim 1, wherein the collection of the curve of the motor current change comprises: when the resistance curve is collected, the resistance monitoring branch can record the current change condition of a motor for pulling the turnout, and a curve of circuit change is formed for storage.
4. The method for switch conversion resistance intelligent monitoring device according to claim 1, characterized in that by analyzing the resistance curve, the resistance and current change condition in the switch conversion process can be seen, and the curve can be displayed in stages, which is divided into five stages before switch unlocking, conversion, locking and locking;
the method for the intelligent monitoring device for the turnout switch resistance further comprises the following steps:
the current resistance curve can be set as a standard conversion resistance curve of the same turnout conversion direction;
the friction curve used as resistance in the turnout switching period can be distinguished from the normal curve and automatically stored;
performing a temperature acquisition function on the action connecting rod in the turnout conversion process;
when the resistance curve value exceeds the pre-warning value, the station software gives out pre-warning information and can inquire in the pre-warning historical record;
when the difference value between the resistance curve value and the set standard curve exceeds a set value, the station software can give out early warning information and can inquire in the early warning historical record;
analyzing a resistance curve in the turnout conversion process, wherein the resistance curve has curve information such as data acquisition time, turnout conversion direction, turnout conversion duration, maximum value, occurrence time, average value and temperature; the standard curve of the same turnout conversion direction is compared with the coordinate;
the daily statistic analysis of the resistance in the turnout conversion process comprises the statistic maximum value, the average value and the temperature of the resistance curve in each turnout conversion process, and a daily statistic curve is formed; the switch directions of the turnouts form statistical curves respectively;
forming a daily statement of the turnout conversion process resistance, and presenting the resistance statistical content of the turnout conversion process on the same day in a table form: maximum value of the daily switching resistance, maximum value of the daily switching resistance average value, occurrence time and temperature.
5. The intelligent monitoring device for switch transition resistance according to claim 1, characterized in that the function of lubricating oil injection for the switch external lock comprises
Automatic refueling according to strategies and manual triggering refueling;
the strategic automatic refueling comprises:
setting a turnout action frequency refueling strategy: automatically oiling according to the set turnout action times;
setting a periodic refueling strategy: automatically and periodically refueling according to a set time interval;
and (3) compounding strategies: in a set time interval, oil is added preferentially according to a strategy of arriving first;
and (3) resistance overproof refueling strategy: setting a resistance threshold value, and controlling automatic oiling through judging by a station machine;
the manual trigger refuels includes: the station terminal can remotely and manually trigger any one group, multiple groups and total station turnout refueling actions, or,
the single refueling device can be triggered to refuel on site;
oil level warning, it includes:
the station terminal displays the oil level and the operation state of the equipment in a station field graph mode, and the state of each equipment corresponds to 1 interface element; warning that the oil level in the oil tank is lower than 40mm, and warning that the oil level is lower than 30 mm; the station terminal is connected with green, orange and red indicator lamps, wherein the green indicator lamp is lightened to indicate that the refueling equipment works normally; an orange indicator lamp is lighted to indicate that the refueling equipment works abnormally; the red indicator lamp is lightened to indicate that the oil level in the oil tank is too low; the station machine software is used for providing an oil level alarm record query interface of the oil tank or providing a current oil level statistical table;
a fueling record, comprising:
and the station machine end records the time point of automatic oiling of each turnout and provides a record query interface.
6. The utility model provides a switch conversion resistance intelligent monitoring device which characterized in that includes:
the device comprises a resistance sensor, a resistance collecting branch, a refueling host and a refueling device;
the station machine adopts an industrial control machine, runs station machine software, controls the resistance monitoring extension through a switch and communication equipment, and issues a resistance data acquisition instruction to the resistance acquisition extension; the intelligent controller is arranged in the monitoring branch machine, and is used for acquiring a resistance change curve and a motor current change curve output by the point switch in the switch switching process according to switch switching or vehicle passing signals, simultaneously storing parameter information such as action time, environment temperature and the like, and waiting for the acquisition of instructions issued by station switch software;
in addition, the station machine controls the refueling host machine to issue a refueling instruction to the refueling host machine, and an intelligent controller is arranged in the refueling host machine and operates an oil path power and distribution unit in the host machine according to a station machine refueling strategy and set parameters, so that oil flows out from an oil tank to a fuel nozzle through an oil pipe, and automatic refueling of the turnout external locking device is realized; meanwhile, the station machine sets different oiling strategies by counting the pulling times of the friction part of the turnout external locking device and monitoring the resistance of the friction part of the external locking device, so as to realize intelligent oiling;
the system comprises station machine software, wherein the station machine software can realize the functions of displaying a resistance curve in the turnout conversion process, performing resistance overrun pre-warning and statistical analysis in the conversion process;
the software of the station is connected to the intelligent monitoring device of the switch switching resistance through the network.
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| CN113460122A (en) * | 2021-07-09 | 2021-10-01 | 北京昊鹏智能技术有限公司 | State detection method, device, equipment and medium for electric turnout switch machine system |
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