CN112849231A - Engineering machinery monitoring system based on operation parameters - Google Patents
Engineering machinery monitoring system based on operation parameters Download PDFInfo
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- CN112849231A CN112849231A CN202110016583.7A CN202110016583A CN112849231A CN 112849231 A CN112849231 A CN 112849231A CN 202110016583 A CN202110016583 A CN 202110016583A CN 112849231 A CN112849231 A CN 112849231A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 52
- 238000004140 cleaning Methods 0.000 claims abstract description 224
- 238000012545 processing Methods 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000012216 screening Methods 0.000 claims description 51
- 230000001939 inductive effect Effects 0.000 claims description 42
- 238000004364 calculation method Methods 0.000 claims description 24
- 239000011159 matrix material Substances 0.000 claims description 21
- 230000006698 induction Effects 0.000 claims description 17
- 238000010276 construction Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/021—Measuring and recording of train speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/025—Absolute localisation, e.g. providing geodetic coordinates
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Abstract
The invention relates to an engineering machinery monitoring system based on operation parameters, in particular to a satellite positioning system which is used for positioning and measuring speed; the remote monitoring terminal is used for receiving and processing information output by the satellite positioning system and transmitting the processed information to the railway vehicle-mounted terminal; the railway vehicle-mounted terminal is used for receiving the information transmitted by the satellite positioning system and the processed information transmitted by the remote monitoring terminal and carrying out operation according to the two types of information; the method comprises the steps of comparing the real-time completion degree of the screen cleaning operation with the preset completion degree, comparing the time of the screen cleaning operation until the screen cleaning operation is completed to meet the preset conditions with the time of arrival of a train to determine whether to directly open a railway gate, and comparing the determined screen cleaning speed with the maximum screen cleaning speed to determine the screen cleaning speed of the screen cleaning operation and whether to open the railway gate, so that the running time and energy consumption of the train near the railway on which the screen cleaning operation is performed can be effectively reduced.
Description
Technical Field
The invention relates to the field of engineering machinery monitoring, in particular to an engineering machinery monitoring system based on operation parameters.
Background
Construction machines are an important component of the equipment industry. In general, mechanical equipment necessary for comprehensive mechanized construction works required for earth and stone construction works, road surface construction and maintenance, mobile lifting, loading and unloading operations, and various construction works is called as construction machinery. The railway engineering machinery is engineering equipment integrating mechanical, electrical and hydraulic integrated control, is high in price and complex in technology, and has severe operation environment and operation sites distributed along the railway.
After long-term use of the railway line, the track bed is dirty, and the ballast is broken, which has great influence on the state and performance of the line. The soiled ballast first causes the ballast bed to lose its elasticity and drainage properties, and then causes the entire ballast bed to "harden". The "hardening" of the ballast bed is very disadvantageous for transport production. Therefore, when the degree of the unclean of the gravel and pebble ballast bed exceeds 25% by weight, the ballast bed must be cleaned. When the railway ballast screen scarifier works, a road needs to be closed, and after the operation is finished, the train can only be interrupted or detoured, and more time and energy are consumed additionally.
Disclosure of Invention
Therefore, the engineering machinery monitoring system based on the operation parameters can effectively reduce the operation time and energy consumption of the train near the railway on which the screening operation is carried out.
In order to achieve the above object, the present invention provides an engineering machine monitoring system based on operating parameters, comprising:
the satellite positioning system is used for respectively positioning the train and the railway ballast screen scarifier and measuring the speed of the train;
the remote monitoring terminal is in wireless connection with the satellite positioning system and is used for receiving and processing information output by the satellite positioning system and transmitting the processed information to the railway vehicle-mounted terminal;
the railway vehicle-mounted terminal is respectively in wireless connection with the satellite positioning system and the remote monitoring terminal and is used for receiving the information transmitted by the satellite positioning system and the processed information transmitted by the remote monitoring terminal and carrying out operation according to the two types of information, and the operation content comprises the adjustment of the operation parameters of the railway ballast cleaning machine and the switching of the state of a railway gate;
the satellite positioning system comprises a radar speed meter, a satellite positioning instrument and a weather detector; the radar speed measuring instrument is connected with the satellite positioning instrument and used for measuring the running speed of the train in real time; the satellite positioning instrument is used for positioning the positions of the train and the railway ballast screen scarifier in real time and sending positioning information to the remote monitoring terminal; the weather detector is used for detecting weather conditions in real time;
the railway vehicle terminal comprises a railway gate, the railway gate comprises an inductive control valve, and the inductive control valve is used for opening/closing the railway gate;
the remote monitoring terminal comprises a processing module, and the processing module is used for processing information; a central control processor is arranged in the processing module, and a plurality of preset matrixes are arranged in the central control processor;
during the screening operation of the railway ballast screen scarifier, the satellite positioning instrument respectively positions a railway train running to the railway ballast screen scarifier for carrying out the screening operation on the railway ballast screen scarifier and the railway ballast screen scarifier in real time, after the positioning is finished, the central control processor compares the real-time completion degree of the screening operation with a preset completion degree and judges whether a first preset condition is met or not according to a comparison result, if the first preset condition is met, the inductive control valve opens the railway gate, and the central control processor calculates the time for carrying out the screening operation before the train arrives;
if the first preset condition is not met, the central control processor compares the time required by the completion of the screen cleaning operation until the screen cleaning operation meets the preset condition with the arrival time of the train and judges whether the second preset condition is met or not according to the comparison result, if the second preset condition is met, the inductive control valve opens the railway gate, and the railway ballast screen cleaner continues the screen cleaning operation until the actual completion degree of the screen cleaning operation meets the first preset condition;
if the railway ballast cleaning machine does not accord with the second preset condition, the central control processor re-determines the cleaning speed of the railway ballast cleaning machine according to the comparison result for judging whether the railway ballast cleaning machine accords with the second preset condition, after the completion of the determination, the central control processor compares the determined cleaning speed with the maximum cleaning speed which can be reached by the railway ballast cleaning machine and judges whether the railway ballast cleaning machine accords with a third preset condition according to the comparison result, if the railway ballast cleaning machine accords with the third preset condition, the induction control valve opens the railway gate, and the cleaning operation is carried out at the maximum cleaning speed until the railway ballast cleaning machine accords with the preset condition, and the operation is stopped;
and if the third preset condition is not met, the inductive control valve does not open the railway gate.
Furthermore, the railway vehicle terminal also comprises a weight measuring module which is used for measuring the weight of the railway track bed for cleaning operation in real time, wherein the measured real-time track bed weight is G;
the central control processor is provided with a preset ballast weight G0 for calculating the real-time completion degree Q of the cleaning operation of the railway ballast cleaning machine, and the calculation formula is as follows:
Q=［(G0-G)×η］/G0;
wherein eta represents the cleaning efficiency of the railway ballast cleaning machine;
the central control processor is also provided with a preset cleaning operation completion degree Q0, when the satellite positioning instrument finishes positioning the train and the railway ballast cleaning machine, the central control processor calculates the real-time cleaning operation completion degree Q of the railway ballast cleaning machine and compares Q with Q0, if Q is larger than or equal to Q0, the inductive control valve opens the railway gate and calculates the time T of the cleaning operation before the train arrives, and the calculation formula is as follows:
T=(S/Va)×r；
wherein S represents the actual distance from the train to the railway ballast screen scarifier, Va represents the real-time speed of the train, and r represents the weather index;
the actual distance S from the train to the railway ballast screen scarifier in the running process is obtained by processing the received real-time positioning information of the satellite positioning instrument through the processing module, the real-time speed Va of the train is measured through the radar velocimeter, and the weather index r is measured through the weather detector;
if the real-time completion degree Q of the cleaning operation is smaller than the preset completion degree Q0 of the cleaning operation, the central control processor judges that the real-time completion degree Q of the cleaning operation is not in accordance with the first preset condition.
When the central control processor judges that the first preset condition is not met, the central control processor calculates a first time difference tb and compares the tb with the Ty, if the first time difference tb is larger than or equal to the preset first time difference Ty, the inductive control valve opens the railway gate, and the railway ballast screen scarifier continues to screen until the actual completion degree of the screening operation meets the preset condition, and stops the operation; if the first time difference tb is less than the preset first time difference Ty, the central control processor judges that the first time difference tb does not meet a second preset condition;
wherein, the calculation formula of tb is as follows:
tb=t0-ta；
wherein t0 represents the time required for the train to reach the railway ballast screen scarifier, and ta represents the time required for the central control processor to complete the screen scarifier to meet the preset conditions;
the calculation formula of the time t0 required by the train to reach the railway ballast screen scarifier is as follows:
t0=S/Va；
the central control processor completes the screen cleaning operation to the time ta meeting the preset conditions according to the following calculation formula:
ta=［(G0^2)×β-（G0-G)］/（G0×g×η）；
wherein, beta represents the weight coefficient of the track bed, and g represents the weight of the track bed cleaned by the railway ballast cleaning and screening machine in unit time.
Further, the central processor is also provided with a screen cleaning speed regulating quantity matrix P (P1, P2, P3 and P4), wherein P1 represents a first regulating quantity of screen cleaning speed, P2 represents a second regulating quantity of screen cleaning speed, P3 represents a third regulating quantity of screen cleaning speed, P4 represents a fourth regulating quantity of screen cleaning speed, P1 is more than P2 and more than P3 and more than P4;
the central control processor is further provided with a preset second time difference interval matrix T0(T1, T2, T3 and T4), wherein T1 represents a first difference interval, T2 represents a second difference interval, T3 represents a third difference interval, T4 represents a fourth difference interval, the end points of the difference intervals are sequentially connected, and the numerical ranges are not overlapped;
when the central control processor judges that the second preset condition is not met, the central control processor calculates a second time difference Te, and the calculation formula is as follows:
Te=tb-Ty；
the railway ballast screen scarifier is provided with a maximum screen scarfing speed Vmax for calculating a required real-time screen scarfing speed Vci, i =1,2,3,4, and the calculation formula is as follows:
Vci=Pi+Vq；
wherein i =1,2,3,4, Pi represents a parameter in the cleaning speed regulating quantity matrix P, and Vq represents the real-time cleaning speed of the railway ballast cleaning machine;
when the calculation is finished, the central control processor matches Te with a parameter interval in the T0 matrix, if the second time difference Te is within the range of a first difference interval T1, the adjusting control module increases the screen cleaning speed of P1, after adjustment, the required real-time screen cleaning speed Vc1 is compared with the maximum screen cleaning speed Vmax, if Vc1 is less than Vmax multiplied by mu, wherein mu represents the speed coefficient of the railway ballast screen cleaner for screen cleaning operation, the induction control valve opens the railway gate, the screen cleaning operation is carried out at the maximum screen cleaning speed Vmax until the preset condition is met, and the operation is stopped;
and if Vci is larger than or equal to Vmax multiplied mu, the inductive control valve does not open the railway gate.
Further, when the central control processor matches Te with a parameter interval in the T0 matrix, if a second time difference Te is within a second difference interval T2, the adjusting control module increases the screen cleaning speed of P2, after adjustment, the required real-time screen cleaning speed Vc2 is compared with the maximum screen cleaning speed Vmax, if Vc2 is less than Vmax multiplied by mu, the induction control valve opens the railway gate, screen cleaning operation is carried out at the maximum screen cleaning speed Vmax until the maximum screen cleaning speed Vmax meets preset conditions, and operation is stopped;
if Vc2 is more than or equal to Vmax multiplied mu, the inductive control valve does not open the railway gate.
Further, when the central control processor matches Te with a parameter interval in the T0 matrix, if the second time difference Te is within a third difference interval T3, the adjusting control module increases the screen cleaning speed of P3, after adjustment, the required real-time screen cleaning speed Vc3 is compared with the maximum screen cleaning speed Vmax, if Vc3 is less than Vmax multiplied by mu, the induction control valve opens the railway gate, screen cleaning operation is carried out at the maximum screen cleaning speed Vmax until the maximum screen cleaning speed Vmax meets preset conditions, and operation is stopped;
if Vc3 is more than or equal to Vmax multiplied mu, the inductive control valve does not open the railway gate.
Further, when the central control processor matches Te with a parameter interval in the T0 matrix, if the second time difference Te is within a fourth difference interval T4, the adjusting control module increases the screen cleaning speed of P4, after adjustment, the required real-time screen cleaning speed Vc4 is compared with the maximum screen cleaning speed Vmax, if Vc4 is less than Vmax multiplied by mu, the induction control valve opens the railway gate, screen cleaning operation is carried out at the maximum screen cleaning speed Vmax until the maximum screen cleaning speed Vmax meets preset conditions, and operation is stopped;
if Vc4 is more than or equal to Vmax multiplied mu, the inductive control valve does not open the railway gate.
Furthermore, the control module is arranged on the railway vehicle terminal and used for controlling and adjusting the screening speed of the railway ballast screening machine for screening.
Furthermore, the remote monitoring terminal also comprises a receiving module and a display module, the receiving module is connected with the display module, the receiving module is used for receiving the information transmitted by the satellite positioning system and the railway vehicle-mounted terminal and transmitting the information to the display module, and the display module is used for displaying and transmitting the information transmitted by the receiving module.
Further, the railway gate further comprises a receiver, and the receiver receives the information transmitted by the remote monitoring terminal and controls the induction control valve to open/close the railway gate.
Compared with the prior art, the invention has the advantages that the satellite positioning instrument is used for positioning the positions of the train and the railway ballast screen scarifier in real time and sending the positioning information to the remote monitoring terminal for processing, the remote monitoring terminal is used for receiving, processing and transmitting the information, the railway ballast screen scarifier carries out real-time positioning on the train coming from the railway which is going to carry out screen cleaning operation and the railway ballast screen scarifier which is going to carry out screen cleaning operation in the screen cleaning operation process, the positioning information is transmitted to the remote monitoring terminal, the processing module of the remote monitoring terminal processes the positioning information, the central control processor compares the real-time completion degree of the screen cleaning operation with the preset completion degree, if the preset conditions are met, the induction control valve opens a railway gate, and then the time for carrying out screen cleaning operation before the train arrives is calculated; if the preset condition is not met, the central control processor compares the time from the completion of the screening operation to the meeting of the preset condition with the arrival time of the train, if the preset condition is met, the inductive control valve opens a railway gate, the railway ballast screening machine continues the screening operation until the actual completion degree of the screening operation meets the preset condition, and the operation is stopped; if the preset condition is not met, determining the finished screen cleaning speed according to time, comparing the determined finished screen cleaning speed with the maximum screen cleaning speed by the central control processor, if the preset condition is met, opening a railway gate by the induction control valve, performing screen cleaning operation at the maximum screen cleaning speed until the preset condition is met, and stopping the operation; if the preset condition is not met, the inductive control valve does not open the railway gate. Therefore, whether the railway gate is directly opened or not can be determined by comparing the real-time completion degree of the screen cleaning operation with the preset completion degree, comparing the time of the screen cleaning operation until the screen cleaning operation is completed to meet the preset condition with the arrival time of the train, and determining the screen cleaning speed of the screen cleaning operation and whether the railway gate is opened or not by comparing the determined screen cleaning speed with the maximum screen cleaning speed, so that the running time and the energy consumption of the train near the railway on which the screen cleaning operation is performed can be effectively reduced.
Drawings
FIG. 1 is a schematic structural diagram of an engineering machine monitoring system based on operating parameters according to the present invention;
the notation in the figure is: 1. a satellite positioning system; 11. a radar velocimeter; 12. a satellite positioning instrument; 13. a weather detector; 2. a remote monitoring terminal; 21. a receiving module; 22. a display module; 23. a processing module; 231. a central control processor; 3. a railway vehicle terminal; 31. a weight module; 32. a control module; 33. a railway gate; 331. receiver, 332, inductive control valve.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, which is a schematic structural diagram of an operating parameter-based engineering machine monitoring system according to the present invention, the present invention provides an operating parameter-based engineering machine monitoring system, including:
the satellite positioning system 1 is used for respectively positioning the train and the railway ballast screen scarifier and measuring the speed of the train;
the remote monitoring terminal 2 is in wireless connection with the satellite positioning system 1 and is used for receiving and processing information output by the satellite positioning system 1 and transmitting the processed information to the railway vehicle-mounted terminal;
the railway vehicle-mounted terminal is respectively in wireless connection with the satellite positioning system 1 and the remote monitoring terminal 2 and is used for receiving the information transmitted by the satellite positioning system 1 and the processed information transmitted by the remote monitoring terminal 2 and carrying out operation according to the two types of information, and the operation content comprises adjustment of operation parameters of the railway ballast cleaning machine and switching of the state of a railway gate 33;
the satellite positioning system 1 comprises a radar velocimeter 11, a satellite positioning instrument 12 and a meteorological detector 13; the radar speed measuring instrument 11 is connected with the satellite positioning instrument 12 and used for measuring the running speed of the train in real time; the satellite positioning instrument 12 is used for positioning the positions of the train and the railway ballast screen scarifier in real time and sending positioning information to the remote monitoring terminal 2; the weather detector 13 is used for detecting weather conditions in real time;
the railway vehicle terminal 3 comprises a railway gate 33, the railway gate 33 comprises an inductive control valve 332, and the inductive control valve 332 is used for opening/closing the railway gate 33;
the remote monitoring terminal 2 comprises a processing module 23, wherein the processing module 23 is used for processing information; a central control processor 231 is arranged in the processing module 23, and a plurality of preset matrixes are arranged in the central control processor 231;
during the screening operation of the railway ballast screen scarifier, the satellite positioning instrument 12 respectively positions the railway train running to the railway ballast screen scarifier for the screening operation and the railway ballast screen scarifier in real time, after the positioning is completed, the central control processor 231 compares the real-time completion degree of the screening operation with the preset completion degree and judges whether the first preset condition is met according to the comparison result, if the first preset condition is met, the induction control valve 332 opens the railway gate 33, and the central control processor 231 calculates the time for the screening operation before the train arrives;
if the first preset condition is not met, the central control processor 231 compares the time required by the completion of the screen cleaning operation until the screen cleaning operation meets the preset condition with the arrival time of the train and judges whether the second preset condition is met or not according to the comparison result, if the second preset condition is met, the inductive control valve 332 opens the railway gate 33, and the railway ballast screen cleaner continues the screen cleaning operation until the actual completion degree of the screen cleaning operation meets the first preset condition;
if the second preset condition is not met, the central control processor 231 re-determines the screen cleaning speed of the railway ballast screen cleaner according to the comparison result for judging whether the second preset condition is met, after the determination is completed, the central control processor 231 compares the determined screen cleaning speed with the maximum screen cleaning speed which can be reached by the railway ballast screen cleaner and judges whether the third preset condition is met according to the comparison result, if the third preset condition is met, the induction control valve 332 opens the railway gate 33, and performs screen cleaning operation at the maximum screen cleaning speed until the preset condition is met, and stops the operation;
if the third predetermined condition is not met, the inductive control valve 332 does not open the railway gate 33.
The satellite positioning instrument 12 in the embodiment of the invention is used for positioning the positions of a train and a railway ballast screen scarifier in real time and sending positioning information to the remote monitoring terminal 2 for processing, the remote monitoring terminal 2 is used for receiving, processing and transmitting information, the railway ballast screen scarifier is used for positioning the train coming from a railway which is carrying out screening operation and the railway ballast screen scarifier which is carrying out screening operation in real time during the screening operation process, the positioning information is transmitted to the remote monitoring terminal 2, the processing module 23 of the remote monitoring terminal 2 processes the positioning information, the central control processor 231 compares the real-time completion degree of the screening operation with the preset completion degree, if the preset conditions are met, the inductive control valve 332 opens the railway gate 33, and then the time for carrying out the screening operation before the train arrives is calculated; if the preset condition is not met, the central control processor 231 compares the time from the completion of the screen cleaning operation to the meeting of the preset condition with the arrival time of the train, if the preset condition is met, the inductive control valve 332 opens the railway gate 33, the railway ballast screen cleaner continues the screen cleaning operation until the actual completion degree of the screen cleaning operation meets the preset condition, and the operation is stopped; if the preset condition is not met, determining the finished cleaning speed according to the time, comparing the determined finished cleaning speed with the maximum cleaning speed by the central control processor 231, if the preset condition is met, opening the railway gate 33 by the inductive control valve 332, cleaning at the maximum cleaning speed until the preset condition is met, and stopping the operation; if the predetermined condition is not met, the sensing control valve 332 does not open the railroad gate 33. Therefore, whether the railway gate 33 is directly opened or not can be determined by comparing the real-time completion degree of the screen cleaning operation with the preset completion degree, comparing the time of the screen cleaning operation until the screen cleaning operation is completed to meet the preset conditions with the arrival time of the train, and the screen cleaning speed of the screen cleaning operation and whether the railway gate 33 is opened or not can be determined by comparing the determined screen cleaning speed with the maximum screen cleaning speed, so that the running time and energy consumption of the train near the railway on which the screen cleaning operation is performed can be effectively reduced.
Specifically, the railway vehicle terminal 3 further comprises a weight measuring module for measuring the weight of the railway track bed subjected to the screening operation in real time, wherein the measured real-time track bed weight is G;
the central control processor 231 is provided with a preset ballast weight G0 for calculating the real-time completion degree Q of the cleaning operation of the railway ballast cleaning machine, and the calculation formula is as follows:
Q=［(G0-G)×η］/G0;
wherein eta represents the cleaning efficiency of the railway ballast cleaning machine;
the central control processor 231 is further provided with a preset cleaning operation completion degree Q0, when the satellite positioning instrument 12 completes positioning of the train and the railway ballast cleaning machine, the central control processor 231 calculates the real-time cleaning operation completion degree Q of the railway ballast cleaning machine and compares Q with Q0, if Q is greater than or equal to Q0, the inductive control valve 332 opens the railway gate 33 and calculates the time T for cleaning operation before the train arrives, and the calculation formula is as follows:
T=(S/Va)×r；
wherein S represents the actual distance from the train to the railway ballast screen scarifier, Va represents the real-time speed of the train, and r represents the weather index;
the actual distance S from the train to the railway ballast screen scarifier in the running process is obtained by processing the received real-time positioning information of the satellite positioning instrument 12 by the processing module 23, the real-time speed Va of the train is measured by the radar velocimeter 11, and the weather index r is measured by the weather detector 13;
if the real-time completion Q of the cleaning operation is less than the preset completion Q0 of the cleaning operation, the central control processor 231 determines that the real-time completion Q of the cleaning operation does not meet the first preset condition.
In the embodiment of the invention, the real-time completion degree of the screening operation is compared with the preset completion degree to determine whether the railway gate 33 is directly opened or not, so that the running time and the energy consumption of the train near the railway on which the screening operation is performed can be effectively reduced.
When the central control processor 231 judges that the first preset condition is not met, the central control processor 231 calculates a first time difference tb and compares the tb with the Ty, if the first time difference tb is larger than or equal to the preset first time difference Ty, the inductive control valve 332 opens the railway gate 33, and the railway ballast cleaning machine continues to perform the cleaning work until the actual completion degree of the cleaning work meets the preset condition, and stops the work; if the first time difference tb is less than the preset first time difference Ty, the central processing unit 231 determines that the first time difference tb does not meet the second preset condition;
wherein, the calculation formula of tb is as follows:
tb=t0-ta；
wherein t0 represents the time required for the train to reach the railway ballast screen scarifier, and ta represents the time required for the central control processor to complete the screen scarifier to meet the preset conditions;
the calculation formula of the time t0 required by the train to reach the railway ballast screen scarifier is as follows:
t0=S/Va；
the central control processor completes the screen cleaning operation to the time ta meeting the preset conditions according to the following calculation formula:
ta=［(G0^2)×β-（G0-G)］/（G0×g×η）；
wherein, beta represents the weight coefficient of the track bed, and g represents the weight of the track bed cleaned by the railway ballast cleaning and screening machine in unit time.
In the embodiment of the invention, the time of completing the screening operation to meet the preset condition is compared with the time of arrival of the train to determine whether the railway gate 33 is directly opened or not, so that the running time and energy consumption of the train near the railway on which the screening operation is performed can be effectively reduced.
Specifically, the central processor 231 is further provided with a screen cleaning speed adjustment matrix P (P1, P2, P3, P4), wherein P1 represents a first adjustment amount of screen cleaning speed, a second adjustment amount of screen cleaning speed of P2, a third adjustment amount of screen cleaning speed of P3, a fourth adjustment amount of screen cleaning speed of P4, P1 < P2 < P3 < P4;
the central control processor 231 is further provided with a preset second time difference interval matrix T0(T1, T2, T3, T4), where T1 represents a first difference interval, T2 represents a second difference interval, T3 represents a third difference interval, T4 represents a fourth difference interval, end points of the difference intervals are sequentially connected, and numerical ranges are not overlapped;
when the central processor 231 determines that the second predetermined condition is not met, the central processor 231 calculates a second time difference Te according to the following calculation formula:
Te=tb-Ty；
the railway ballast screen scarifier is provided with a maximum screen scarfing speed Vmax for calculating a required real-time screen scarfing speed Vci, i =1,2,3,4, and the calculation formula is as follows:
Vci=Pi+Vq；
wherein i =1,2,3,4, Pi represents a parameter in the cleaning speed regulating quantity matrix P, and Vq represents the real-time cleaning speed of the railway ballast cleaning machine;
when the calculation is finished, the central control processor 231 matches Te with a parameter interval in the T0 matrix, if the second time difference Te is within the range of a first difference interval T1, the adjusting control module 32 increases the screen cleaning speed of P1, after adjustment, the required real-time screen cleaning speed Vc1 is compared with the maximum screen cleaning speed Vmax, if Vc1 is less than Vmax multiplied by mu, wherein mu represents a speed coefficient of the railway ballast screen cleaner for screen cleaning operation, the induction control valve 332 opens the railway gate 33, the screen cleaning operation is carried out at the maximum screen cleaning speed Vmax until the preset condition is met, and the operation is stopped;
if Vci is larger than or equal to Vmax multiplied mu, the inductive control valve 332 does not open the railway gate 33.
Specifically, when the central processor 231 matches Te with a parameter interval in the T0 matrix, if the second time difference Te is within a second difference interval T2, the adjustment control module 32 increases the screen cleaning speed of P2, after adjustment, compares the required real-time screen cleaning speed Vc2 with the maximum screen cleaning speed Vmax, and if Vc2 is less than Vmax × μ, the induction control valve 332 opens the railway gate 33, performs the screen cleaning operation at the maximum screen cleaning speed Vmax until a preset condition is met, and stops the operation;
if Vc2 is more than or equal to Vmax multiplied mu, the inductive control valve 332 does not open the railway gate 33.
In the embodiment of the invention, the determined screening speed is compared with the maximum screening speed to determine the screening speed for carrying out screening operation and whether the railway gate 33 is opened, so that the running time and the energy consumption of the train near the railway on which the screening operation is carried out can be effectively reduced.
Specifically, when the central processor 231 matches Te with a parameter interval in the T0 matrix, if the second time difference Te is within a third difference interval T3, the adjustment control module 32 increases the screen cleaning speed of P3, after adjustment, compares the required real-time screen cleaning speed Vc3 with the maximum screen cleaning speed Vmax, and if Vc3 is less than Vmax × μ, the induction control valve 332 opens the railway gate 33, performs the screen cleaning operation at the maximum screen cleaning speed Vmax until a preset condition is met, and stops the operation;
if Vc3 is more than or equal to Vmax multiplied mu, the inductive control valve 332 does not open the railway gate 33.
In the embodiment of the invention, the determined screening speed is compared with the maximum screening speed to determine the screening speed for carrying out screening operation and whether the railway gate 33 is opened, so that the running time and the energy consumption of the train near the railway on which the screening operation is carried out can be effectively reduced.
Specifically, when the central processor 231 matches Te with a parameter interval in the T0 matrix, if the second time difference Te is within a fourth difference interval T4, the adjustment control module 32 increases the screen cleaning speed of P4, after adjustment, compares the required real-time screen cleaning speed Vc4 with the maximum screen cleaning speed Vmax, and if Vc4 is less than Vmax × μ, the induction control valve 332 opens the railway gate 33, performs the screen cleaning operation at the maximum screen cleaning speed Vmax until a preset condition is met, and stops the operation;
if Vc4 is more than or equal to Vmax multiplied mu, the inductive control valve 332 does not open the railway gate 33.
In the embodiment of the invention, the determined screening speed is compared with the maximum screening speed to determine the screening speed for carrying out screening operation and whether the railway gate 33 is opened, so that the running time and the energy consumption of the train near the railway on which the screening operation is carried out can be effectively reduced.
Specifically, the control module 32 is disposed on the railway vehicle terminal 3 for controlling and adjusting the cleaning speed of the railway ballast cleaning machine for cleaning operation.
Specifically, the remote monitoring terminal 2 further includes a receiving module 21 and a display module 22, the receiving module 21 is connected to the display module 22, the receiving module 21 is configured to receive information transmitted from the satellite positioning system 1 and the railway vehicle-mounted terminal and transmit the information to the display module 22, and the display module 22 is configured to display and transmit the information transmitted from the receiving module 21, so that the information can be received and transmitted in time.
Specifically, the railway gate 33 further includes a receiver 331, and the receiver 331 controls the inductive control valve 332 to open/close the railway gate 33 after receiving the information transmitted from the remote monitoring terminal 2, so as to automatically control the opening/closing of the railway gate 33.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An operating parameter based monitoring system for a construction machine, comprising:
the satellite positioning system is used for respectively positioning the train and the railway ballast screen scarifier and measuring the speed of the train;
the remote monitoring terminal is in wireless connection with the satellite positioning system and is used for receiving and processing information output by the satellite positioning system and transmitting the processed information to the railway vehicle-mounted terminal;
the railway vehicle-mounted terminal is respectively in wireless connection with the satellite positioning system and the remote monitoring terminal and is used for receiving the information transmitted by the satellite positioning system and the processed information transmitted by the remote monitoring terminal and carrying out operation according to the two types of information, and the operation content comprises the adjustment of the operation parameters of the railway ballast cleaning machine and the switching of the state of a railway gate;
the satellite positioning system comprises a radar speed meter, a satellite positioning instrument and a weather detector; the radar speed measuring instrument is connected with the satellite positioning instrument and used for measuring the running speed of the train in real time; the satellite positioning instrument is used for positioning the positions of the train and the railway ballast screen scarifier in real time and sending positioning information to the remote monitoring terminal; the weather detector is used for detecting weather conditions in real time;
the railway vehicle terminal comprises a railway gate, the railway gate comprises an inductive control valve, and the inductive control valve is used for opening/closing the railway gate;
the remote monitoring terminal comprises a processing module, and the processing module is used for processing information; a central control processor is arranged in the processing module, and a plurality of preset matrixes are arranged in the central control processor;
during the screening operation of the railway ballast screen scarifier, the satellite positioning instrument respectively positions a railway train running to the railway ballast screen scarifier for carrying out the screening operation on the railway ballast screen scarifier and the railway ballast screen scarifier in real time, after the positioning is finished, the central control processor compares the real-time completion degree of the screening operation with a preset completion degree and judges whether a first preset condition is met or not according to a comparison result, if the first preset condition is met, the inductive control valve opens the railway gate, and the central control processor calculates the time for carrying out the screening operation before the train arrives;
if the first preset condition is not met, the central control processor compares the time required by the completion of the screen cleaning operation until the screen cleaning operation meets the preset condition with the arrival time of the train and judges whether the second preset condition is met or not according to the comparison result, if the second preset condition is met, the inductive control valve opens the railway gate, and the railway ballast screen cleaner continues the screen cleaning operation until the actual completion degree of the screen cleaning operation meets the first preset condition;
if the railway ballast cleaning machine does not accord with the second preset condition, the central control processor re-determines the cleaning speed of the railway ballast cleaning machine according to the comparison result for judging whether the railway ballast cleaning machine accords with the second preset condition, after the completion of the determination, the central control processor compares the determined cleaning speed with the maximum cleaning speed which can be reached by the railway ballast cleaning machine and judges whether the railway ballast cleaning machine accords with a third preset condition according to the comparison result, if the railway ballast cleaning machine accords with the third preset condition, the induction control valve opens the railway gate, and the cleaning operation is carried out at the maximum cleaning speed until the railway ballast cleaning machine accords with the preset condition, and the operation is stopped;
and if the third preset condition is not met, the inductive control valve does not open the railway gate.
2. The monitoring system for construction machinery according to claim 1, wherein the railway vehicle terminal further comprises a weight measuring module for measuring the weight of the railway track bed for cleaning in real time, the measured real-time track bed weight being G;
the central control processor is provided with a preset ballast weight G0 for calculating the real-time completion degree Q of the cleaning operation of the railway ballast cleaning machine, and the calculation formula is as follows:
Q=［(G0-G)×η］/G0;
wherein eta represents the cleaning efficiency of the railway ballast cleaning machine;
the central control processor is also provided with a preset cleaning operation completion degree Q0, when the satellite positioning instrument finishes positioning the train and the railway ballast cleaning machine, the central control processor calculates the real-time cleaning operation completion degree Q of the railway ballast cleaning machine and compares Q with Q0, if Q is larger than or equal to Q0, the inductive control valve opens the railway gate and calculates the time T of the cleaning operation before the train arrives, and the calculation formula is as follows:
T=(S/Va)×r；
wherein S represents the actual distance from the train to the railway ballast screen scarifier, Va represents the real-time speed of the train, and r represents the weather index;
the actual distance S from the train to the railway ballast screen scarifier in the running process is obtained by processing the received real-time positioning information of the satellite positioning instrument through the processing module, the real-time speed Va of the train is measured through the radar velocimeter, and the weather index r is measured through the weather detector;
if the real-time completion degree Q of the cleaning operation is smaller than the preset completion degree Q0 of the cleaning operation, the central control processor judges that the real-time completion degree Q of the cleaning operation is not in accordance with the first preset condition.
3. The engineering machine monitoring system based on the operation parameters is characterized in that the central control processor is further provided with a preset first time difference value Ty, when the central control processor judges that the first preset condition is not met, the central control processor calculates the first time difference value tb and compares the tb with the Ty, if the first time difference value tb is larger than or equal to the preset first time difference value Ty, the inductive control valve opens the railway gate, the railway ballast screen scarifier continues screening until the actual completion degree of the screening work meets the preset condition, and the operation is stopped; if the first time difference tb is less than the preset first time difference Ty, the central control processor judges that the first time difference tb does not meet a second preset condition;
wherein, the calculation formula of tb is as follows:
tb=t0-ta；
wherein t0 represents the time required for the train to reach the railway ballast screen scarifier, and ta represents the time required for the central control processor to complete the screen scarifier to meet the preset conditions;
the calculation formula of the time t0 required by the train to reach the railway ballast screen scarifier is as follows:
t0=S/Va；
the central control processor completes the screen cleaning operation to the time ta meeting the preset conditions according to the following calculation formula:
ta=［(G0^2)×β-（G0-G)］/（G0×g×η）；
wherein, beta represents the weight coefficient of the track bed, and g represents the weight of the track bed cleaned by the railway ballast cleaning and screening machine in unit time.
4. A work machine monitoring system according to claim 3, wherein the central processor is further arranged with a screen speed adjustment matrix P (P1, P2, P3, P4), wherein P1 represents a first adjustment of screen speed, a second adjustment of screen speed P2, a third adjustment of screen speed P3, a fourth adjustment of screen speed P4, P1 < P2 < P3 < P4;
the central control processor is further provided with a preset second time difference interval matrix T0(T1, T2, T3 and T4), wherein T1 represents a first difference interval, T2 represents a second difference interval, T3 represents a third difference interval, T4 represents a fourth difference interval, the end points of the difference intervals are sequentially connected, and the numerical ranges are not overlapped;
when the central control processor judges that the second preset condition is not met, the central control processor calculates a second time difference Te, and the calculation formula is as follows:
Te=tb-Ty；
the railway ballast screen scarifier is provided with a maximum screen scarfing speed Vmax for calculating a required real-time screen scarfing speed Vci, i =1,2,3,4, and the calculation formula is as follows:
Vci=Pi+Vq；
wherein i =1,2,3,4, Pi represents a parameter in the cleaning speed regulating quantity matrix P, and Vq represents the real-time cleaning speed of the railway ballast cleaning machine;
when the calculation is finished, the central control processor matches Te with a parameter interval in the T0 matrix, if the second time difference Te is within the range of a first difference interval T1, the adjusting control module increases the screen cleaning speed of P1, after adjustment, the required real-time screen cleaning speed Vc1 is compared with the maximum screen cleaning speed Vmax, if Vc1 is less than Vmax multiplied by mu, wherein mu represents the speed coefficient of the railway ballast screen cleaner for screen cleaning operation, the induction control valve opens the railway gate, the screen cleaning operation is carried out at the maximum screen cleaning speed Vmax until the preset condition is met, and the operation is stopped;
and if Vci is larger than or equal to Vmax multiplied mu, the inductive control valve does not open the railway gate.
5. The monitoring system for the engineering machinery based on the operation parameters as claimed in claim 4, wherein when the central control processor matches Te with a parameter interval in the T0 matrix, if the second time difference Te is within the range of the second difference T2, the adjusting control module increases the cleaning speed of P2, after adjustment, the required real-time cleaning speed Vc2 is compared with the maximum cleaning speed Vmax, if Vc2 is less than Vmax x μ, the inductive control valve opens the railway gate, and the cleaning operation is performed at the maximum cleaning speed Vmax until the preset condition is met, and the operation is stopped;
if Vc2 is more than or equal to Vmax multiplied mu, the inductive control valve does not open the railway gate.
6. The monitoring system for the engineering machinery based on the operation parameters as claimed in claim 4, wherein when the central control processor matches Te with a parameter interval in the T0 matrix, if the second time difference Te is within a third difference interval T3, the adjusting control module increases the cleaning speed of P3, after adjustment, the required real-time cleaning speed Vc3 is compared with the maximum cleaning speed Vmax, if Vc3 is less than Vmax x μ, the induction control valve opens the railway gate, and the cleaning operation is performed at the maximum cleaning speed Vmax until the preset condition is met, and the operation is stopped;
if Vc3 is more than or equal to Vmax multiplied mu, the inductive control valve does not open the railway gate.
7. The monitoring system for the engineering machinery based on the operation parameters as claimed in claim 4, wherein when the central control processor matches Te with a parameter interval in the T0 matrix, if the second time difference Te is within the range of a fourth difference T4, the adjusting control module increases the cleaning speed of P4, after adjustment, the required real-time cleaning speed Vc4 is compared with the maximum cleaning speed Vmax, if Vc4 is less than Vmax x μ, the inductive control valve opens the railway gate, and the cleaning operation is performed at the maximum cleaning speed Vmax until the preset condition is met, and the operation is stopped;
if Vc4 is more than or equal to Vmax multiplied mu, the inductive control valve does not open the railway gate.
8. The monitoring system for construction machinery according to any one of claims 4 to 7, wherein the control module is provided on the railway vehicle terminal for controlling and adjusting the cleaning speed of the railway ballast cleaning machine for cleaning operation.
9. The monitoring system for construction machinery according to claim 1, wherein the remote monitoring terminal further comprises a receiving module and a display module, the receiving module is connected to the display module, the receiving module is configured to receive information transmitted from the satellite positioning system and the railroad car-mounted terminal and transmit the information to the display module, and the display module is configured to display and transmit the information transmitted from the receiving module.
10. The monitoring system for construction machinery according to claim 1, wherein the railway gate further comprises a receiver, and the receiver controls the inductive control valve to open/close the railway gate after receiving the information transmitted from the remote monitoring terminal.
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