CN211477485U - Pressure monitoring system of grinding wagon - Google Patents
Pressure monitoring system of grinding wagon Download PDFInfo
- Publication number
- CN211477485U CN211477485U CN202020123990.9U CN202020123990U CN211477485U CN 211477485 U CN211477485 U CN 211477485U CN 202020123990 U CN202020123990 U CN 202020123990U CN 211477485 U CN211477485 U CN 211477485U
- Authority
- CN
- China
- Prior art keywords
- pressure
- hydraulic system
- grinding wagon
- oil
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The application relates to a sander pressure monitoring system, this system includes: the pressure sensors are used for acquiring pressure signals of all oil ways in a hydraulic system of the grinding wagon; and the monitoring unit is used for converting pressure signals of all oil paths in the hydraulic system of the grinding wagon into pressure values of all oil paths in the hydraulic system of the grinding wagon, and monitoring the hydraulic system of the grinding wagon according to the pressure values of all the oil paths in the hydraulic system of the grinding wagon. The technical scheme that this application provided not only can fix a position trouble oil circuit fast, and the commonality is strong moreover, easy to assemble, easy to maintain.
Description
Technical Field
The application relates to the technical field of rail transit, in particular to a pressure monitoring system of a grinding wagon.
Background
The steel rail is the main part of rail transit. The steel rail is in direct contact with the wheels of the train, and the quality of the steel rail directly influences the safety and the stability of driving and the comfort of passengers. A rail grinding wagon is designed for grinding the top and two sides of inner and outer rails of a main track and a turnout, and is provided with a track profile and a track wave abrasion measuring device. The hydraulic system of the grinding vehicle is an important system on the vehicle, and the functions of walking, grinding and the like are powered by the hydraulic system.
The hydraulic system of the prior grinding wagon mainly depends on a special mechanical pressure gauge for measurement. However, mechanical pressure gauges have many disadvantages: firstly, the wear-resistant rubber has a certain mechanical life, and is easy to wear when being frequently used, and the clamping stagnation phenomenon can occur when being not frequently used; secondly, the method has no universality and high replacement cost; thirdly, need go to the manometer mounted position and look over, it is consuming time hard.
SUMMERY OF THE UTILITY MODEL
For at least to a certain extent overcome and to have the easy wearing and tearing of mechanical pressure gauge and the problem that the replacement cost is high among the correlation technique, this application provides a sanding vehicle pressure monitoring system.
According to a first aspect of embodiments of the present application, there is provided a sander pressure monitoring system comprising:
the pressure sensors are used for acquiring pressure signals of all oil ways in a hydraulic system of the grinding wagon;
and the monitoring unit is used for converting pressure signals of all oil paths in the hydraulic system of the grinding wagon into pressure values of all oil paths in the hydraulic system of the grinding wagon, and monitoring the hydraulic system of the grinding wagon according to the pressure values of all the oil paths in the hydraulic system of the grinding wagon.
Preferably, the monitoring unit includes:
the analog quantity signal acquisition module is used for filtering pressure signals of all oil ways in the grinding wagon hydraulic system to obtain pressure signals of all oil ways in the grinding wagon hydraulic system to be processed;
the analog-to-digital conversion module is used for converting pressure signals of all oil ways in the hydraulic system of the grinding wagon to be processed from analog signals to digital signals;
and the main control module is used for converting the pressure signals of all oil paths in the grinding wagon hydraulic system converted into the digital signals into pressure values of all oil paths in the grinding wagon hydraulic system, and monitoring the grinding wagon hydraulic system according to the pressure values of all the oil paths in the grinding wagon hydraulic system.
Furthermore, the analog quantity signal acquisition module is respectively connected with the plurality of pressure sensors and the analog-to-digital conversion module;
the main control module is connected with the analog-to-digital conversion module.
Preferably, the main control module is specifically configured to determine whether a pressure value of each oil path in the hydraulic system of the grinding wagon is within an alarm threshold range, and send an alarm if the pressure value of each oil path in the hydraulic system of the grinding wagon is within the alarm threshold range; and if the pressure value of each oil way in the hydraulic system of the grinding wagon is not within the alarm threshold range, not giving an alarm.
Preferably, the system further comprises: and the human-computer interface is used for displaying the pressure values and the alarm information of all oil ways in the hydraulic system of the grinding wagon.
Furthermore, the main control module is also used for sending the pressure values and the alarm information of all oil ways in the hydraulic system of the grinding wagon to a human-computer interface.
Preferably, the monitoring unit further includes: and the communication module is used for transmitting the pressure values and the alarm information of all oil ways in the hydraulic system of the grinding wagon to a human-computer interface.
Preferably, the system further comprises: the storage unit is used for storing the pressure value and the alarm information of the hydraulic system of the grinding wagon;
the storage unit is connected with the human-computer interface.
Preferably, the monitoring unit further includes:
and the power supply module is used for supplying power to the analog quantity signal acquisition module and the main control module. Preferably, the monitoring unit further includes: a power isolation module;
the input end of the power isolation module is respectively connected with the power module and the main control module;
and the output end of the power isolation module is connected with the analog quantity signal acquisition module.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
according to the technical scheme, pressure signals of all oil paths in the hydraulic system of the grinding wagon are acquired through the pressure sensors, the monitoring unit converts the pressure signals of all the oil paths in the hydraulic system of the grinding wagon into pressure values of all the oil paths in the hydraulic system of the grinding wagon, the hydraulic system of the grinding wagon is monitored according to the pressure values of all the oil paths in the hydraulic system of the grinding wagon, and therefore a fault oil path can be quickly located and alarmed; meanwhile, each oil way is provided with a sensor, so that the oil ways cannot be interfered with each other, and pressure signals measured by the pressure sensors of the oil ways are accurate; the application provides a sander pressure monitoring system, the commonality is strong, easy to assemble, easy to maintain, and the maintenance cost is low.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
FIG. 1 is a schematic diagram of a sander pressure monitoring system shown in accordance with an exemplary embodiment;
FIG. 2 is a schematic diagram of another sander pressure monitoring system shown in accordance with an exemplary embodiment;
FIG. 3 is a schematic diagram of a sander pressure monitoring system for an RGH20C rail sander, according to an exemplary embodiment;
FIG. 4 illustrates a pressure monitoring interface in a human-machine interface of a rail grinding wagon pressure monitoring system of the RGH20C rail grinding wagon, according to an exemplary embodiment;
FIG. 5 is a graphical illustration of a pressure history plot interface in the human-machine interface of the sander pressure monitoring system of the RGH20C rail sander, according to an exemplary embodiment;
FIG. 6 is a depiction of a setup interface in a human-machine interface of a sander pressure monitoring system of an RGH20C rail sander, according to an exemplary embodiment;
FIG. 7 is a graphical illustration of a historical data interface in a human machine interface of a rail grinding wagon pressure monitoring system of the RGH20C type rail grinding wagon, according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application.
The current rail and subway markets have 150 rail grinding trains, wherein about 70 rail grinding cars of RGH20C type (about 60 rail grinding cars of Harsco company and about 10 rail grinding cars of other manufacturers), about 14 rail grinding cars of PGM48 type and about 60 rail grinding cars of GMC96 type. The hydraulic system of the prior grinding wagon is mainly monitored by a special mechanical pressure gauge. However, the mechanical pressure gauge has many defects, which causes many troubles for vehicle maintenance: firstly, the mechanical design has a certain mechanical service life, is frequently used and easy to wear, and can cause clamping stagnation when not frequently used, so that technicians are very difficult to maintain; secondly, the method has no universality and high replacement cost, and the spare parts of one original factory are usually purchased for more than half a year and are very expensive; thirdly, alarm information cannot be sent out, and historical pressure information cannot be recorded; fourthly, the oil way is easy to move due to frequent rotation of the special mechanical pressure gauge, so that the oil leakage phenomenon occurs; fifthly, long-time running-in is achieved, oil paths are easily influenced mutually, and the accuracy of a pressure test value is influenced.
FIG. 1 is a schematic diagram of a sander pressure monitoring system shown in accordance with an exemplary embodiment. Referring to fig. 1, the system includes:
the pressure sensors are used for acquiring pressure signals of all oil ways in a hydraulic system of the grinding wagon;
and the monitoring unit is used for converting pressure signals of all oil paths in the hydraulic system of the grinding wagon into pressure values of all oil paths in the hydraulic system of the grinding wagon, and monitoring the hydraulic system of the grinding wagon according to the pressure values of all the oil paths in the hydraulic system of the grinding wagon.
It is easy to understand that the pressure signal of the oil circuit in the hydraulic system of the grinding wagon collected by the pressure sensor is an analog signal.
It should be noted that the material of the pressure sensor may be, but is not limited to, waterproof, dustproof, and high temperature resistant material; the pressure sensor can adopt a voltage signal or a current signal; for example, the current signal of 4-20ma is adopted, the stability is high, and the influence of external factors and distance factors is not easy to influence.
It is easily understood that in practical application, each oil circuit in the hydraulic system of the grinding wagon should have one sensor, and there are as many sensors as there are oil circuits, and the sensors can be reasonably selected and configured by those skilled in the art according to engineering requirements.
According to the pressure monitoring system for the grinding wagon, pressure signals of all oil ways in a hydraulic system of the grinding wagon are acquired through the pressure sensors, the monitoring unit converts the pressure signals of all the oil ways in the hydraulic system of the grinding wagon into pressure values of all the oil ways in the hydraulic system of the grinding wagon, the hydraulic system of the grinding wagon is monitored according to the pressure values of all the oil ways in the hydraulic system of the grinding wagon, and therefore a fault oil way can be quickly positioned and alarmed; meanwhile, each oil way is provided with a sensor, so that the oil ways cannot be interfered with each other, and pressure signals measured by the pressure sensors of the oil ways are accurate; the application provides a sander pressure monitoring system, the commonality is strong, easy to assemble, easy to maintain, and the maintenance cost is low.
As an improvement of the above embodiment, an embodiment of the present invention provides a structural schematic diagram of another pressure monitoring system of a grinding wagon, as shown in fig. 2, including:
the pressure sensors are used for acquiring pressure signals of all oil ways in a hydraulic system of the grinding wagon;
and the monitoring unit is used for converting pressure signals of all oil paths in the hydraulic system of the grinding wagon into pressure values of all oil paths in the hydraulic system of the grinding wagon, and monitoring the hydraulic system of the grinding wagon according to the pressure values of all the oil paths in the hydraulic system of the grinding wagon.
It is easy to understand that the pressure signal of the oil circuit in the hydraulic system of the grinding wagon collected by the pressure sensor is an analog signal.
It should be noted that the material of the pressure sensor may be, but is not limited to, waterproof, dustproof, and high temperature resistant material; the pressure sensor can adopt a voltage signal or a current signal; for example, the current signal of 4-20ma is adopted, the stability is high, and the influence of external factors and distance factors is not easy to influence.
It is easily understood that in practical application, each oil circuit in the hydraulic system of the grinding wagon should have one sensor, and there are as many sensors as there are oil circuits, and the sensors can be reasonably selected and configured by those skilled in the art according to engineering requirements.
In some embodiments, the monitoring unit may be implemented, but is not limited to being, by a programmable logic controller.
Further optionally, the monitoring unit comprises:
the analog quantity signal acquisition module is used for filtering pressure signals of all oil ways in the hydraulic system of the grinding wagon to obtain pressure signals of all oil ways in the hydraulic system of the grinding wagon to be processed;
the analog-to-digital conversion module is used for converting pressure signals of all oil ways in a hydraulic system of the grinding wagon to be processed from analog signals to digital signals;
it should be noted that, the "analog signal acquisition module" and the "analog-to-digital conversion module" related in the embodiments of the present invention are well known to those skilled in the art, and therefore, the specific implementation manner thereof is not described too much;
and the main control module is used for converting the pressure signals of all oil paths in the grinding wagon hydraulic system which are converted into the digital signals into pressure values of all oil paths in the grinding wagon hydraulic system, and monitoring the grinding wagon hydraulic system according to the pressure values of all the oil paths in the grinding wagon hydraulic system.
It should be noted that, the main control module provided in the embodiments of the present invention is used to convert the pressure signal of each oil path in the hydraulic system of the grinding wagon converted into the digital signal into the pressure value of each oil path in the hydraulic system of the grinding wagon, which is well known to those skilled in the art, and therefore, the specific implementation manner thereof is not described herein.
Further optionally, the analog quantity signal acquisition module is respectively connected with the plurality of pressure sensors and the analog-to-digital conversion module;
the main control module is connected with the analog-to-digital conversion module.
Further optionally, in some embodiments, the analog signal acquisition module is connected to the plurality of pressure sensors through sensor cables.
It should be noted that, no matter the pressure sensor adopts a voltage signal or a current signal, the pressure sensor needs to be matched with the input signal type of the analog quantity signal acquisition module.
Further optionally, the main control module is specifically configured to determine whether a pressure value of each oil path in the hydraulic system of the grinding wagon is within an alarm threshold range, and send an alarm if the pressure value of each oil path in the hydraulic system of the grinding wagon is within the alarm threshold range; and if the pressure value of each oil way in the hydraulic system of the grinding wagon is not within the alarm threshold range, no alarm is given.
It will be readily appreciated that the alarm threshold ranges for the hydraulic systems of different sanding vehicles may vary and may be set by one skilled in the art according to engineering requirements.
Further optionally, the system further comprises: and the human-computer interface is used for displaying the pressure values and the alarm information of all oil ways in the hydraulic system of the grinding wagon.
It should be noted that the human-machine interface may be, but is not limited to be, configured as a touchable type, and the "touchable human-machine interface" is well known to those skilled in the art, so that the specific implementation manner thereof is not described too much.
It will be readily appreciated that in practical applications the number of human-machine interfaces may be chosen by a person skilled in the art according to engineering requirements.
For example, the cabs at both ends of the grinding wagon can be provided with a human-computer interface, and a mobile human-computer interface can be arranged for facilitating engineering use.
Further optionally, the main control module is further used for sending the pressure values and the alarm information of the oil passages in the hydraulic system of the grinding wagon to the human-computer interface.
It is readily understood that the alarm information may include, but is not limited to: the time when the alarm is given, the pressure value of a certain oil passage within the alarm threshold range, the oil passage number corresponding to the pressure value of a certain oil passage within the alarm threshold range, and the alarm threshold range.
Further optionally, the monitoring unit further includes: and the communication module is used for transmitting the pressure values and the alarm information of all oil ways in the hydraulic system of the grinding wagon to the human-computer interface.
In some embodiments, the communication module may be, but is not limited to, an RS485 communication module.
Further optionally, the system further comprises: the storage unit is used for storing the pressure value and the alarm information of the hydraulic system of the grinding wagon;
the storage unit is connected with the human-computer interface;
and the human-computer interface is also used for transmitting the pressure value and the alarm information of the hydraulic system of the grinding wagon to the storage unit.
It will be readily appreciated that the pressure values and alarm information for the hydraulic system of the sander in the memory unit are continually updated.
In some embodiments, the human machine interface may be, but is not limited to, for displaying historical pressure profiles; the historical pressure curve may be, but is not limited to, the pressure values of the oil passages in the historical hydraulic system of the grinding wagon as the ordinate, the time and/or date corresponding to the pressure values of the oil passages in the historical hydraulic system of the grinding wagon as the abscissa, and the historical pressure curve acquired through the human-computer interface may also be stored in the storage unit.
Further optionally, the monitoring unit further includes:
and the power supply module is used for supplying power to the analog quantity signal acquisition module and the main control module.
Further optionally, the monitoring unit further includes: a power isolation module;
the input end of the power isolation module is respectively connected with the power module and the main control module;
the output end of the power isolation module is connected with the analog quantity signal acquisition module.
It should be noted that the "power isolation module" is well known to those skilled in the art, and therefore, the specific implementation thereof is not described too much.
It is easy to understand that the power isolation module refers to the electrical isolation between the input and the output, the input and the ground, and the output, and the isolation is used for protecting the safety of the system. When interference or pulse exists at one end, other parts cannot be influenced due to mutual isolation. The module supplies power alone, can prevent that a module from damaging back and other modules because of receiving high voltage discharge or other reasons. The purpose of this is to ensure that each module operates independently and without interference.
In some embodiments, the pressure sensor may be separately powered, but not limited to, using an external power source.
In some optional embodiments, each oil path in the grinding wagon pressure monitoring system is provided with a hydraulic tee joint for installing a sensor and a mechanical gauge pressure detection port; the pressure value of the oil way can be directly monitored by connecting the movable mechanical pressure gauge with the pressure detection port of the mechanical pressure gauge.
According to the pressure monitoring system for the grinding wagon, pressure signals of all oil paths in the hydraulic system of the grinding wagon are acquired through the pressure sensors, the monitoring unit converts the pressure signals of all the oil paths in the hydraulic system of the grinding wagon into pressure values of all the oil paths in the hydraulic system of the grinding wagon, the hydraulic system of the grinding wagon is monitored according to the pressure values of all the oil paths in the hydraulic system of the grinding wagon, and therefore a fault oil path can be quickly positioned and alarmed; meanwhile, each oil way is provided with a sensor, so that the oil ways cannot be interfered with each other, and pressure signals measured by the pressure sensors of the oil ways are accurate; the application provides a sander pressure monitoring system, the commonality is strong, easy to assemble, easy to maintain, and the maintenance cost is low.
According to the pressure monitoring system of the grinding wagon, the pressure sensors are arranged on each oil path, are independent from each other and do not need to be repeatedly plugged and pulled, the precision is high, the sensitivity is high, the stability is high, and the oil paths cannot interfere with each other; monitoring the pressure of all oil ways of the whole vehicle at any time by using a monitoring unit and a human-computer interface; by using the storage unit, historical alarm information can be recorded and inquired; the pressure monitoring system of the grinding wagon provided by the embodiment has better sealing performance due to the reduction of frequent movement of a mechanical structure, reduces the occurrence of oil leakage caused by frequent rotation of the special mechanical pressure gauge in the prior art, and is easier to maintain.
The RGH20C steel rail grinding wagon consists of two trains, each train has 10 grinding heads, and the total number of the grinding heads is 20. The RGH20C type steel rail grinding wagon has a plurality of hydraulic oil paths, and is easy to break down, so that real-time monitoring and analysis of pressure are very necessary, the fault position can be quickly determined when the fault occurs, and technicians are assisted to perform corresponding investigation and maintenance. In order to further explain above-mentioned sanding vehicle pressure monitoring system, the embodiment of the present invention provides a concrete example for the sanding vehicle pressure monitoring system of the RGH20 type steel rail sanding vehicle, and the structure of the sanding vehicle pressure monitoring system is shown in fig. 3, including:
46 pressure sensors, a single chip microcomputer controller and a human-computer interface;
the 46 pressure sensors are used for converting pressure signals of oil passages in the hydraulic system of the grinding wagon corresponding to the pressure sensors into 4-20ma current signals;
the single chip microcomputer controller is used for converting the pressure signals of all oil ways in the grinding wagon hydraulic system converted into the 4-20ma current signals into pressure values of all oil ways in the grinding wagon hydraulic system and giving an alarm according to the pressure values of all the oil ways in the grinding wagon hydraulic system;
and the human-computer interface is used for displaying the pressure value and the alarm information of each oil way in the hydraulic system of the grinding wagon by the single-chip microcomputer controller.
It is easy to understand that the pressure signals of the oil circuit in the hydraulic system of the grinding wagon collected by the 46 pressure sensors are analog signals.
It should be noted that, the material of the 46 pressure sensors can be, but is not limited to, waterproof, dustproof and high temperature resistant material; 46 pressure sensor direct mount respectively need not to relapse the plug on the pipeline that needs detect, and the precision is high, and stability is strong, and current signal is difficult for receiving the influence of external factor and distance factor, and is waterproof dustproof high temperature resistant.
Singlechip controller includes:
the analog quantity signal acquisition module is used for filtering pressure signals of all oil ways in the hydraulic system of the grinding wagon to obtain pressure signals of all oil ways in the hydraulic system of the grinding wagon to be processed;
the analog-to-digital conversion module is used for converting pressure signals of all oil ways in a hydraulic system of the grinding wagon to be processed from analog signals to digital signals;
it should be noted that, the "analog signal acquisition module" and the "analog-to-digital conversion module" related in the embodiments of the present invention are well known to those skilled in the art, and therefore, the specific implementation manner thereof is not described too much;
the main control module is used for converting the pressure signals of all oil paths in the grinding wagon hydraulic system converted into the digital signals into pressure values of all oil paths in the grinding wagon hydraulic system, judging whether the pressure values of all the oil paths in the grinding wagon hydraulic system are within an alarm threshold range, and if the pressure values of all the oil paths in the grinding wagon hydraulic system are within the alarm threshold range, giving an alarm; and if the pressure value of each oil way in the hydraulic system of the grinding wagon is not within the alarm threshold range, no alarm is given.
It will be readily appreciated that the alarm threshold ranges for the hydraulic systems of different sanding vehicles may vary and may be set by one skilled in the art according to engineering requirements.
It should be noted that, the main control module provided in the embodiments of the present invention is used to convert the pressure signal of each oil path in the hydraulic system of the grinding wagon converted into the digital signal into the pressure value of each oil path in the hydraulic system of the grinding wagon, which is well known to those skilled in the art, and therefore, the specific implementation manner thereof is not described herein.
It is readily understood that the alarm information may include, but is not limited to: the time when the alarm is given, the pressure value of a certain oil passage within the alarm threshold range, the oil passage number corresponding to the pressure value of a certain oil passage within the alarm threshold range, and the alarm threshold range.
Furthermore, the analog quantity signal acquisition module is respectively connected with the plurality of pressure sensors and the analog-to-digital conversion module;
the main control module is connected with the analog-to-digital conversion module.
Further, in some embodiments, the analog quantity signal acquisition module is connected with the plurality of pressure sensors through sensor cables.
It should be noted that, no matter the pressure sensor adopts a voltage signal or a current signal, the pressure sensor needs to be matched with the input signal type of the analog quantity signal acquisition module.
Further, the single chip microcomputer controller further comprises: and the RS485 communication module is used for transmitting the pressure values and the alarm information of all oil ways in the hydraulic system of the grinding wagon to the human-computer interface.
It is easy to understand that the single chip microcomputer controller can communicate with a third party device through the RS485 communication module;
further, the single chip controller may communicate with a third party device through, but not limited to, a CAN bus.
It should be noted that the "RS 485 communication module" is well known to those skilled in the art, and therefore, the specific implementation manner thereof is not described too much.
Further, the single chip microcomputer controller further comprises: and the power supply module is used for supplying power to the analog quantity signal acquisition module and the main control module.
Further optionally, the monitoring unit further includes: a power isolation module;
the input end of the power isolation module is respectively connected with the power module and the main control module;
the output end of the power isolation module is connected with the analog quantity signal acquisition module.
It should be noted that the "power isolation module" is well known to those skilled in the art, and therefore, the specific implementation thereof is not described too much.
It is easy to understand that the power isolation module refers to the electrical isolation between the input and the output, the input and the ground, and the output, and the isolation is used for protecting the safety of the system. When interference or pulse exists at one end, other parts cannot be influenced due to mutual isolation. The module supplies power alone, can prevent that a module from damaging back and other modules because of receiving high voltage discharge or other reasons. The purpose of this is to ensure that each module operates independently and without interference.
Further optionally, an external power source is used to power the pressure sensor.
Specifically, each oil way in the pressure monitoring system of the grinding wagon is provided with a hydraulic tee joint for installing a sensor and a pressure detection port of a mechanical gauge; the pressure value of the oil way can be directly monitored by connecting the movable mechanical pressure gauge with the pressure detection port of the mechanical pressure gauge.
Further optionally, the button of the human-machine interface for monitoring the main interface may include but is not limited to: logs, trend graphs, historical data, settings, returns, and yellow question marks;
further optionally, as shown in fig. 4, the monitoring main interface of the human-machine interface may monitor the pressure in real time: when the corresponding pressure value of an oil way in the hydraulic system of the grinding wagon is normal, the corresponding pressure column displays green; when the corresponding pressure value of an oil way in the hydraulic system of the grinding wagon is larger than the maximum value of the set threshold range, the corresponding pressure column displays red warning, and red flashing is performed on the corresponding right digit (the right digit represents a specific pressure value); when the corresponding pressure value of an oil way in the hydraulic system of the grinding wagon is smaller than the minimum value of the set threshold range, the corresponding pressure column displays yellow; when the corresponding pressure value of a certain oil way in the hydraulic system of the grinding wagon exceeds the warning value and then returns to normal, a red icon (the rightmost side of the pressure column is provided with a hidden icon which is hidden under normal conditions, and when the conditions happen, the red icon flickers to indicate that the pressure is abnormal) at the back of the corresponding pressure column flickers;
further alternatively, as shown in FIG. 5, clicking on the primary interface hydraulic column interface area may generate a pressure history profile. Each pressure value corresponds to a curve with different colors or line shapes. The pressure value is updated every 0.5 seconds. Displayed on the screen in the form of dynamic curves, the time can be selected to view the pressure curve corresponding to the date. And corresponding icons of the sensors at the left side and the right side with numbers P1-P12 are clicked, so that corresponding pressure curves can be hidden and displayed. The lower forward or reverse button switches different car pressure profiles.
Further optionally, as shown in fig. 6, when a setting button is clicked to enter a setting interface, a corresponding pressure setting interface appears when an icon button corresponding to each pressure is clicked, a quadratic equation diagram in the upper part in fig. 6 is calibrated, #1 is a first measurement point, #2 is a second measurement point, after a corresponding value is input, clicking is determined, and an administrator permission password is input, so that correction can be completed; the quadratic diagram in the lower part of fig. 6 is for alarm value setting, MIN is the minimum alarm value setting and MAX is the maximum alarm value setting. And clicking to determine, and inputting the administrator permission password to complete the setting.
Specifically, optionally, clicking the log button may view the alarm log, which may include but is not limited to: the alarm information can include but is not limited to that a certain oil way pressure value is larger than the maximum value of a threshold range, a certain oil way pressure value is lower than the minimum value of the threshold range, the certain oil way pressure value is larger than the maximum value of the threshold range and then returns to normal, or the certain oil way pressure value is smaller than the minimum value of the threshold range and then returns to normal;
it will be readily appreciated that when the corresponding pressure exceeds the set minimum and maximum values, an alarm record is generated, and a history can be downloaded and saved for offline viewing of the operation of the hydraulic equipment for corresponding maintenance.
Specifically, optionally, clicking on the trend graph button may view the pressure history graph.
Specifically, optionally, as shown in fig. 7, the pressure values of the oil passages in all monitoring time periods can be checked by clicking a history data button, and the history data can be downloaded, saved, and deleted.
Specifically, optionally, clicking a question mark button may view the corresponding operation guide.
It is easily understood that a person skilled in the art can set the buttons in each of the human-machine interfaces as desired.
Further, the system further comprises: the storage unit is used for storing the pressure value and the alarm information of the hydraulic system of the grinding wagon; the storage unit is connected with the human-computer interface;
and the human-computer interface is also used for transmitting the pressure value and the alarm information of the hydraulic system of the grinding wagon to the storage unit.
It will be readily appreciated that the pressure values and alarm information for the hydraulic system of the sander in the memory unit are continually updated.
The embodiment of the application provides a grinding wagon pressure monitoring system of RGH20C type rail grinding wagon, not only can fix a position and the alarm to trouble oil circuit fast, and the commonality is strong moreover, and is easy to assemble, and easy to change, easy to maintain, and the maintenance cost is low.
The grinding wagon pressure monitoring system of the RGH20C steel rail grinding wagon provided by the embodiment has the advantages that the pressure sensors are directly arranged on each oil way, the pressure sensors are independent from each other and do not need to be repeatedly plugged and pulled, the precision is high, the sensitivity is high, the stability is strong, and the oil ways cannot be interfered with each other; remote monitoring is realized by utilizing a PCL controller and a human-computer interface, and the pressure of all oil ways of the whole vehicle is monitored at any time; by using the storage unit, historical alarm information can be recorded and inquired; meanwhile, the frequent movement of the mechanical structure is reduced, the sealing performance is better, the occurrence of oil leakage caused by frequent rotation of the special mechanical pressure gauge in the prior art is reduced, and the maintenance is easier.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware that is related to instructions of a program, and the program may be stored in a computer-readable storage medium, and when executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a separate product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. A sander pressure monitoring system, the system comprising:
the pressure sensors are used for acquiring pressure signals of all oil ways in a hydraulic system of the grinding wagon;
and the monitoring unit is used for converting pressure signals of all oil paths in the hydraulic system of the grinding wagon into pressure values of all oil paths in the hydraulic system of the grinding wagon, and monitoring the hydraulic system of the grinding wagon according to the pressure values of all the oil paths in the hydraulic system of the grinding wagon.
2. The sander pressure monitoring system of claim 1, wherein the monitoring unit comprises:
the analog quantity signal acquisition module is used for filtering pressure signals of all oil ways in the grinding wagon hydraulic system to obtain pressure signals of all oil ways in the grinding wagon hydraulic system to be processed;
the analog-to-digital conversion module is used for converting pressure signals of all oil ways in a hydraulic system of the grinding wagon to be processed from analog signals to digital signals;
and the main control module is used for converting the pressure signals of all oil paths in the grinding wagon hydraulic system converted into the digital signals into pressure values of all oil paths in the grinding wagon hydraulic system, and monitoring the grinding wagon hydraulic system according to the pressure values of all the oil paths in the grinding wagon hydraulic system.
3. The sander pressure monitoring system of claim 2, wherein the analog signal acquisition module is connected to the plurality of pressure sensors and the analog-to-digital conversion module, respectively;
the main control module is connected with the analog-to-digital conversion module.
4. The sander pressure monitoring system of claim 2, wherein the master control module is specifically configured to determine whether a pressure value of each oil path in the sander hydraulic system is within an alarm threshold range, and issue an alarm if the pressure value of each oil path in the sander hydraulic system is within the alarm threshold range; and if the pressure value of each oil way in the hydraulic system of the grinding wagon is not within the alarm threshold range, not giving an alarm.
5. The sander pressure monitoring system as set forth in claim 4, further comprising: and the human-computer interface is used for displaying the pressure values and the alarm information of all oil ways in the hydraulic system of the grinding wagon.
6. The sander pressure monitoring system of claim 5, wherein the master control module is further configured to send pressure values and alarm information for each oil path in the sander hydraulic system to a human-machine interface.
7. The sander pressure monitoring system of claim 5, wherein the monitoring unit further comprises: and the communication module is used for transmitting the pressure values and the alarm information of all oil ways in the hydraulic system of the grinding wagon to a human-computer interface.
8. The sander pressure monitoring system as set forth in claim 5, further comprising: the storage unit is used for storing the pressure value and the alarm information of the hydraulic system of the grinding wagon;
the storage unit is connected with the human-computer interface.
9. The sander pressure monitoring system of claim 2, wherein the monitoring unit further comprises:
and the power supply module is used for supplying power to the analog quantity signal acquisition module and the main control module.
10. The sander pressure monitoring system of claim 9, wherein the monitoring unit further comprises: a power isolation module;
the input end of the power isolation module is respectively connected with the power module and the main control module;
and the output end of the power isolation module is connected with the analog quantity signal acquisition module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020123990.9U CN211477485U (en) | 2020-01-19 | 2020-01-19 | Pressure monitoring system of grinding wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020123990.9U CN211477485U (en) | 2020-01-19 | 2020-01-19 | Pressure monitoring system of grinding wagon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211477485U true CN211477485U (en) | 2020-09-11 |
Family
ID=72362013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020123990.9U Active CN211477485U (en) | 2020-01-19 | 2020-01-19 | Pressure monitoring system of grinding wagon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211477485U (en) |
-
2020
- 2020-01-19 CN CN202020123990.9U patent/CN211477485U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101595022B (en) | Freight car event recorder | |
| AU2006202442A1 (en) | On-Board Brake System Diagnostic and Reporting System | |
| KR200468915Y1 (en) | Testing device for brake valve | |
| MY150395A (en) | Wire rope remote surveillance system | |
| CN105067150A (en) | Motor car axle box temperature detection system and method | |
| CN109443561A (en) | A kind of Diagnostic system of motor fault and its diagnostic method based on temperature signal analysis | |
| CN109050512B (en) | Detection system and detection method for tramcar parking brake fault | |
| KR20140067431A (en) | Apparatus for warning of tire defect | |
| CN100590409C (en) | Vehicle bearing failure monitor and failure monitoring method | |
| CN211477485U (en) | Pressure monitoring system of grinding wagon | |
| US11679750B2 (en) | Brake equipment wear monitoring for remaining useful life | |
| KR101324718B1 (en) | Operating system of tire pressure monitoring system | |
| KR101453616B1 (en) | Diagnostic apparatus for static characteristics of servo valve | |
| KR102234163B1 (en) | Smart dual pressure transmitter and its use method | |
| CN109406171B (en) | Static and dynamic fault simulation analyzer of vehicle braking system and detection method thereof | |
| CN110907633A (en) | Vehicle-mounted mobile bridge safety detection device and method based on inertial navigation | |
| CN114312721B (en) | Vehicle brake monitoring method and device | |
| CN209859201U (en) | Automobile remote fault diagnosis auxiliary device | |
| KR100971303B1 (en) | Device and method for detecting corona | |
| CN111361363A (en) | Intelligent measurement system and method for air pressure of airplane tire | |
| KR101790851B1 (en) | Apparatus for measuring deformation of tire | |
| CN112816048B (en) | System and method for detecting wheel weight of motor train unit | |
| CN211478328U (en) | Vehicle-mounted mobile bridge safety detection device based on inertial navigation | |
| CN114216065B (en) | Hydraulic slip ring leakage state monitoring system and method | |
| CN105466711B (en) | The failure self-diagnosis device of transfer machine equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220321 Address after: 101300 246, building 2, 13 Fuqian street, longwantun Town, Shunyi District, Beijing Patentee after: YILUXING (BEIJING) TECHNOLOGY Co.,Ltd. Address before: 102488 No. 18 Jianshe Road, Kaixuan street, Liangxiang, Fangshan District, Beijing - d3043 Patentee before: Beijing Tonghe times Rail Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |