CN218510651U - Multi-lubrication-point measurement monitoring system based on single sensor - Google Patents
Multi-lubrication-point measurement monitoring system based on single sensor Download PDFInfo
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- CN218510651U CN218510651U CN202222910636.2U CN202222910636U CN218510651U CN 218510651 U CN218510651 U CN 218510651U CN 202222910636 U CN202222910636 U CN 202222910636U CN 218510651 U CN218510651 U CN 218510651U
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Abstract
The utility model provides a single-sensor-based multi-lubricating-point measuring and monitoring system, which is used for sampling and monitoring branch pipelines of a plurality of lubricating points and is characterized by comprising a lubricating-point sampling port, a sampling pump and a sensor; wherein, each lubricating point branch pipeline is correspondingly provided with one lubricating point sampling port; the lubricating point sampling port is communicated with a branch sampling pipeline, and an electric valve is arranged on the branch sampling pipeline; a plurality of branch sampling pipelines are collected and communicated to a main sampling pipeline; the sampling pump and the sensor are arranged on the main sampling pipeline; the main sampling pipeline is communicated to the oil return pipeline. The utility model discloses ensure that different lubrication points measure under same environment, same sensor, make measured data have comparability.
Description
Technical Field
The utility model relates to an equipment lubrication technology field, concretely relates to online fluid monitoring system of lubricated point of many based on single sensor.
Background
Along with the improvement of the automation level of an industrial production line, the using quantity of hydraulic lubrication equipment is also in an increasing trend, in recent years, an online oil monitoring system has a large number of applications in industries such as metallurgy, engineering machinery, electric power, ships and the like due to the characteristics of unified data standard and continuous and stable measurement, and the measurement result of oil in the hydraulic lubrication equipment has larger deviation based on the influence of factors such as the operation state of the equipment, the installation mode, the individual difference of sensors, the production environment and the like.
The main influence factors include but are not limited to the differences of the oil temperature, the flow, the pressure, the pH value, the impurity particles, the sampling point positions and the like of the monitoring points; at present, on-line oil measurement is carried out on multiple lubricating points in the same lubricating system, oil return of each lubricating point is mainly used for measurement, and due to the fact that the factors have different influences on different sensors at different monitoring points, large errors exist in trend analysis and data comparison.
Therefore, how to provide a single-sensor-based multi-lubrication-point measurement monitoring system capable of reducing measurement errors is a problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a many lubricated some measurement monitoring system based on single sensor, single dimension sensor installs at different lubricated some modes before changing, transports different lubricated some measured oil liquid to the same sensor and carries out on-line measuring.
In order to realize the purpose, the utility model adopts the following technical scheme:
a single-sensor-based multi-lubricating-point measuring and monitoring system is used for sampling and monitoring branch pipelines of a plurality of lubricating points and comprises a lubricating-point sampling port, a sampling pump and a sensor; wherein the content of the first and second substances,
each lubricating point branch pipeline is correspondingly provided with one lubricating point sampling port; the lubricating point sampling port is communicated with a branch sampling pipeline, and an electric valve is arranged on the branch sampling pipeline;
a plurality of branch sampling pipelines are collected and communicated to a main sampling pipeline; the sampling pump and the sensor are arranged on the main sampling pipeline; the main sampling pipeline is communicated to the oil return pipeline.
The utility model discloses the fluid that will be arranged in different lubricating oil branch pipelines all carries to same group's sensor and carries out data monitoring, has avoided the error of monitoring data in the lubricating oil system that sensor difference, detection ring border difference and operating mode difference lead to.
Preferably, the lubrication points to be monitored are the same lubrication system, or a plurality of devices within the same lubrication system, or individual lubrication points within one lubrication device.
Preferably, be equipped with the filter on the trunk sampling pipeline before the sample pump, before guaranteeing that surveyed fluid gets into the sample pump, no large granule produces the influence to the measuring result in the fluid.
Preferably, each branch sampling pipeline is provided with a filter, so that no large particles in the oil to be measured at each lubricating point influence the measurement result.
Preferably, the electrically operated valve and the sampling pump are both connected to a controller. The controller facilitates participation of the electrically operated valve opening and closing signals in system control during system operation and has a logical control sequence.
Preferably, an electric valve is arranged on the oil return pipeline and connected with the controller. The oil is conveyed to an oil return pipeline of the system after being measured, and the electric valve is arranged, so that the control of the circulation and flushing action of the lubricating oil of the single branch pipeline can be favorably carried out by matching with the gate in each branch sampling pipeline.
Preferably, the electrically operated valve comprises a pneumatic valve, a hydraulic valve or an electromagnetic valve.
Preferably, the sensor comprises one or more of a pressure sensor, a temperature sensor, a flow sensor, a viscosity sensor, a moisture sensor, a particle counter sensor, a metal abrasive particle sensor, an online ferrographic sensor, a density sensor, a dielectric constant sensor, a conductivity sensor, and an oil quality sensor. The monitoring requirements of different working conditions are met.
Preferably, the temperature control device is arranged on the main sampling pipeline, so that the influence of environmental factors on the measurement data of the sensor is reduced to the maximum extent.
Preferably, the temperature control device comprises a refrigerator, a heater or an oven.
Known through foretell technical scheme, compare with prior art, the beneficial effect of the utility model includes:
the utility model discloses can be arranged sensor survey oil liquid environment in the middle of same operating mode environment in, because the operating mode is the same, but use same sensor batch measurement furthest to ensure that measured data has comparability, in addition owing to the input cost who uses the reduction greatly reduced enterprise of sensor quantity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts;
fig. 1 is a structural diagram of a single-sensor-based multi-lubrication-point measurement monitoring system according to an embodiment of the present invention;
fig. 2 is a structure diagram of the oil circuit board provided by the embodiment of the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 shows a structural diagram of a multiple lubrication point measurement monitoring system based on a single sensor 4 disclosed in this embodiment. The device is used for sampling and monitoring a plurality of lubricating point branch pipelines, the lubricating point branch pipelines are positioned in a lubricating oil system, and the monitored lubricating points are the same lubricating system, or a plurality of devices in the same lubricating system, or all the lubricating points in one lubricating device.
The multi-lubricating-point measuring and monitoring system in the embodiment comprises a lubricating-point sampling port 1, a sampling pump 3 and a sensor 4; each lubricating point branch pipeline is correspondingly provided with a lubricating point sampling port 1, and the sampling points can be lubricating points or branch pipeline return pipes according to different monitoring requirements; the lubricating point sampling port 1 is communicated with a branch sampling pipeline, and an electric valve is arranged on the branch sampling pipeline; a plurality of branch sampling pipelines are collected and communicated to the main sampling pipeline; the main sampling pipeline is provided with a sampling pump 3 and a sensor 4; the main sampling pipeline is communicated to the oil return pipeline.
This embodiment carries out the sampling measurement to different lubricated monitoring points through a sampling pump 3, and its flow sets up the same when measuring each lubricated point, can control solenoid valve's switching sequence and sample time, and the power based on sampling pump 3 will be surveyed the fluid and carry to on-line sensor 4 measuring module, sensor 4 promptly, carry back the system after the fluid is measured. The method comprises the following steps of;
according to the distance between the measuring module of the online sensor 4 and each lubricating point branch sampling pipeline, if the longest distance is L and the pipe diameter is D, the pipeline volume V can be roughly obtained;
V＝L*π(D/2)2；
according to the volume V of the pipeline and the flow Q per minute of the oil pump, the time t1 can be obtained;
t1＝V/Q。
therefore, the measurement time of the oil in each branch sampling pipeline, namely the minimum time for the oil in the current lubricating point to reach the sensor 4 for measurement can be obtained.
In order to ensure that the measured data of each lubricating point sensor 4 is not affected by other lubricating point data, the actual running time (t 2) of the sampling pump 3 of each lubricating point is longer than the measuring time, for example, the running time of the sampling pump 3 is 2 times or 2.5 times of the measuring time, i.e., t2=2t1 or t2=2.5t1, or can be set according to actual requirements, so that the measured oil sample at this time can be completely replaced by the measured oil sample at the previous time.
In one embodiment, the electrically operated valve and the sample pump 3 are both connected to a controller. The controller facilitates participation of the electrically operated valve opening and closing signals in system control during system operation and has a logical control sequence.
In one embodiment, the oil return pipeline is provided with an electric valve, and the electric valve is connected with the controller. The oil is conveyed to an oil return pipeline of the system after being measured, and the electric valve is arranged, so that the control of the circulation and flushing action of the lubricating oil of the single branch pipeline can be favorably carried out by matching with the gate in each branch sampling pipeline.
As shown in fig. 1, the sampling device has five branch sampling pipelines, which are respectively provided with electric valves 21-25, and an oil return pipeline is provided with an electric valve 26. After the system starts to operate, the electric valves 21 and 26 are opened, and the electric valves 22, 23, 24 and 25 are closed; and (3) starting the pump operation of the sampling pump, stopping the sampling pump 3 after the sampling pump operates for t2 time, starting measuring signals by the sensor 4, measuring data for 1 time or more, storing the data into a system database, marking the position of a data point by the system according to the state of the electric valve, and if the electric valve is opened 21, determining the measured data as a first lubricating point. the setting of the t2 time satisfies two points: firstly, the measured oil liquid measured at this time can be completely replaced by the measured oil liquid measured at the last time; secondly, the measurement part is flushed, so that the interference of the last measured liquid on the current measurement is reduced; while taking into account the measurement time.
After the first lubricating point is measured, the electric valve 21 is closed, the electric valve 22 is opened, the rest valves are kept in the last monitoring period state, after the closing signal of the electric valve 21 and the opening signal of the electric valve 22 are received, the sampling pump 3 starts to operate, after the operation time t2, the sampling pump 3 stops, the second lubricating point to be measured is measured, and the measurement is completed.
And after the measurement is finished, respectively measuring a third lubricating point, a fourth lubricating point and a fifth lubricating point by the analogy, and continuously measuring a first lubricating point after the fifth lubricating point is measured.
After the system operation is stopped, the sampling pump 3 is stopped, and after the stop signal of the sampling pump 3 is returned, the electric valves 21, 22, 23, 24, 25, and 26 are closed.
In one embodiment, the oil return pipeline can be one or more.
In one embodiment, a filter 5 is provided on the main sampling line before the sampling pump 3.
In one embodiment, a pressure switch 7 is provided on the main sampling line for determining whether the system is working normally, and the start-stop time of the sampling pump can be marked. The working state of the system can be judged by combining the switching signal of the electric valve.
In one embodiment, the lubrication point sampling port 1 is connected with an electric valve, a filter 5 and an oil circuit board 6 through pipe fittings, and the oil circuit board 6 is connected with a sampling pump 3; as shown in fig. 2, the oil circuit board 6 provides a pipeline structure for collecting the branch sampling pipeline to the main sampling pipeline. The oil circuit board 6 is provided with branch sampling pipeline communication holes 61, 62, 63, 64 and 65 for communicating the branch sampling pipelines, and the oil circuit board 6 is also provided with an oil return pipeline communication hole 66 for communicating the oil return pipeline. The inside of the oil circuit board can form a main sampling pipeline. The oil circuit board 6 is further provided with a mounting hole 67 for providing an interface for mounting various sensors on the main sampling pipeline.
In one embodiment, a filter 5 is provided on each branch sampling line.
In one embodiment, the electrically operated valve includes a pneumatic valve, a hydraulic valve, or an electromagnetic valve, and the valve has a switching amount or an opening degree analog amount.
In one embodiment, the sensor 4 comprises a combination of one or more of a pressure sensor, a temperature sensor, a flow sensor, a viscosity sensor, a moisture sensor, a particle counter sensor, a metal grit sensor, an in-line ferrography sensor, a density sensor, a dielectric constant sensor, a conductivity sensor, an oil quality sensor. The pressure, the temperature and the flow can be used as measurement parameters and also can be used as parameters for system control, and the system pressure is adjusted through the pressure, the opening and closing angle of the electric valve 26 and the rotating speed of the oil pump, so that the system pressure is stabilized at 2bar, and bubbles in the oil liquid are broken through.
In one embodiment, the device further comprises a temperature control device, wherein the temperature control device is arranged on the trunk sampling pipeline and is used for taking part of temperature-sensitive measurement parameters as measurement starting signals in a standing cooling or external temperature control mode.
In one embodiment, the temperature control device comprises a refrigerator, a heater, or an incubator. The refrigeration effect is realized by standing and cooling or water, wind and semiconductor refrigeration sheets; heating effect is realized through modes such as electric heating, and the oil temperature is the same or close to when the sensor measures.
The utility model discloses the same dimension data of each lubrication point measurement all use is same sensor 4, has comparability in order to ensure its measurement, and the system has the same flow, temperature, the individual and granule control of sensor 4 in the measurement process.
The above detailed description is given to the multiple lubrication point measurement and monitoring system based on the single sensor, and the specific examples are applied herein to explain the principle and the implementation of the present invention, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, and in summary, the content of the present specification should not be understood as the limitation of the present invention.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A single-sensor-based multi-lubricating-point measuring and monitoring system is used for sampling and monitoring branch pipelines of a plurality of lubricating points and is characterized by comprising a lubricating-point sampling port, a sampling pump and a sensor; wherein the content of the first and second substances,
each lubricating point branch pipeline is correspondingly provided with one lubricating point sampling port; the lubricating point sampling port is communicated with a branch sampling pipeline, and an electric valve is arranged on the branch sampling pipeline;
a plurality of branch sampling pipelines are converged and communicated to a main sampling pipeline; the sampling pump and the sensor are arranged on the main sampling pipeline; the main sampling pipeline is communicated to the oil return pipeline.
2. Single sensor based multiple lubrication point measurement monitoring system according to claim 1 where the lubrication point to be monitored is the same lubrication system or multiple devices within the same lubrication system or individual lubrication points within one lubrication device.
3. The single sensor based multiple lubrication point measurement monitoring system of claim 1, wherein a filter is provided on a main sampling line before said sampling pump.
4. The single-sensor based multiple lubrication point measurement monitoring system of claim 1, wherein a filter is provided on each of said branch sampling pipes.
5. The single sensor-based multiple lubrication point measurement monitoring system according to claim 1, wherein said electrically operated valve and said sampling pump are both connected to a controller.
6. The single-sensor based multiple lubrication point measurement monitoring system according to claim 5, wherein an electric valve is arranged on the oil return pipeline, and the electric valve is connected with the controller.
7. The single sensor-based multiple lubrication point measurement monitoring system according to claim 1, wherein said electrically operated valve comprises a pneumatic valve, a hydraulic valve or an electromagnetic valve.
8. The single-sensor based multiple lubricant point measurement monitoring system of claim 1, wherein the sensor comprises one or more of a pressure sensor, a temperature sensor, a flow sensor, a viscosity sensor, a moisture sensor, a particle counter sensor, a metal grit sensor, an on-line ferrographic sensor, a density sensor, a dielectric constant sensor, a conductivity sensor, an oil quality sensor in combination.
9. The single-sensor based multiple lubrication point measurement monitoring system according to claim 1, further comprising a temperature control device disposed on said trunk sampling line.
10. The single sensor-based multiple lubrication point measurement monitoring system of claim 9, wherein said temperature control device comprises a refrigerator, a heater or an incubator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222910636.2U CN218510651U (en) | 2022-11-02 | 2022-11-02 | Multi-lubrication-point measurement monitoring system based on single sensor |
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| CN202222910636.2U CN218510651U (en) | 2022-11-02 | 2022-11-02 | Multi-lubrication-point measurement monitoring system based on single sensor |
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