CN112855515B - Vacuum pump safety monitoring method and device - Google Patents
Vacuum pump safety monitoring method and device Download PDFInfo
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- CN112855515B CN112855515B CN202110268505.6A CN202110268505A CN112855515B CN 112855515 B CN112855515 B CN 112855515B CN 202110268505 A CN202110268505 A CN 202110268505A CN 112855515 B CN112855515 B CN 112855515B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/10—Other safety measures
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Abstract
The invention discloses a method and a device for monitoring the safety of a vacuum pump, wherein the method comprises the following steps: acquiring first temperature information, second temperature information and third temperature information; inputting the first environment temperature information, the first environment air pressure information and the grade information of each vacuum pump in the vacuum-pumping system into a temperature threshold model to respectively obtain a first-stage temperature threshold, a second-stage temperature threshold and a third-stage temperature threshold; respectively judging whether the temperature information exceeds the grade temperature threshold value; if at least two of the first temperature information, the second temperature information and the third temperature information exceed the corresponding temperature threshold values, obtaining first alarm information; and processing the vacuum pumping system according to the first alarm information. The technical problems that in the prior art, the vacuum pump can cause insulation aging due to long-term high-temperature operation and the service life of the vacuum pump is shortened are solved.
Description
Technical Field
The invention relates to the field of mechanical monitoring, in particular to a method and a device for monitoring the safety of a vacuum pump.
Background
The vacuum pump is a device or equipment for obtaining vacuum by pumping a pumped container by using a mechanical, physical, chemical or physical-chemical method, and is a device for improving, generating and maintaining vacuum in a certain closed space by using various methods, and is widely applied to industries such as metallurgy, chemical industry, food, electronic coating and the like.
However, in the process of implementing the technical solution of the invention in the embodiments of the present application, the inventors of the present application find that the above-mentioned technology has at least the following technical problems:
the technical problems that the long-term high-temperature operation of a vacuum pump can cause insulation aging and the service life of the vacuum pump is shortened exist in the prior art.
Disclosure of Invention
The embodiment of the application provides a vacuum pump safety monitoring method and device, solves the technical problems that in the prior art, the long-term high-temperature operation of a vacuum pump can cause insulation aging and shorten the service life of the vacuum pump, achieves the purpose of monitoring the working temperature of the vacuum pump in real time, improves the heat dissipation capacity of the vacuum pump, enables the vacuum pump to operate safely, and further slows down the insulation aging speed and prolongs the service life of the vacuum pump.
In view of the foregoing problems, embodiments of the present application provide a method and an apparatus for monitoring safety of a vacuum pump.
In a first aspect, an embodiment of the present application provides a vacuum pump safety monitoring method, where the method includes: acquiring first temperature information, wherein the first temperature information is the temperature information of the primary vacuum pump; acquiring second temperature information, wherein the second temperature information is the temperature information of the secondary vacuum pump; obtaining third temperature information, wherein the third temperature information is the temperature information of the third-stage vacuum pump; obtaining first ambient temperature information; obtaining first environmental air pressure information; obtaining grade information of each vacuum pump in the vacuum pumping system; inputting the first environment temperature information, the first environment air pressure information and the grade information of each vacuum pump in the vacuum-pumping system into a temperature threshold model to respectively obtain a first-stage temperature threshold, a second-stage temperature threshold and a third-stage temperature threshold; respectively judging whether the first temperature information exceeds the first-stage temperature threshold, whether the second temperature information exceeds the second-stage temperature threshold and whether the third temperature information exceeds the third-stage temperature threshold; if at least two of the first temperature information, the second temperature information and the third temperature information exceed the corresponding temperature threshold values, obtaining first alarm information; and processing the vacuum pumping system according to the first alarm information.
On the other hand, this application still provides a vacuum pump safety monitoring device, the device includes: the first obtaining unit is used for obtaining first temperature information, and the first temperature information is temperature information of a primary vacuum pump; the second obtaining unit is used for obtaining second temperature information, and the second temperature information is the temperature information of the second-stage vacuum pump; a third obtaining unit, configured to obtain third temperature information, where the third temperature information is temperature information of a third-stage vacuum pump; a fourth obtaining unit configured to obtain first ambient temperature information; a fifth obtaining unit configured to obtain first ambient air pressure information; a sixth obtaining unit, configured to obtain level information of each vacuum pump in the vacuum pumping system; a seventh obtaining unit, configured to input the first environmental temperature information, the first environmental air pressure information, and the grade information of each vacuum pump in the vacuum pumping system into a temperature threshold model, and obtain a first-stage temperature threshold, a second-stage temperature threshold, and a third-stage temperature threshold, respectively; a first judging unit, configured to respectively judge whether the first temperature information exceeds the first-stage temperature threshold, whether the second temperature information exceeds the second-stage temperature threshold, and whether the third temperature information exceeds the third-stage temperature threshold; an eighth obtaining unit, configured to obtain first alarm information if at least two of the first temperature information, the second temperature information, and the third temperature information exceed corresponding temperature thresholds; and the first processing unit is used for processing the vacuumizing system according to the first alarm information.
In a third aspect, the present invention provides a vacuum pump safety monitoring apparatus, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the method of the first aspect when executing the program.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the first temperature information, the second temperature information and the third temperature information are obtained; inputting the first environment temperature information, the first environment air pressure information and the grade information of each vacuum pump in the vacuum-pumping system into a temperature threshold model to respectively obtain a first-stage temperature threshold, a second-stage temperature threshold and a third-stage temperature threshold; respectively judging whether the temperature information exceeds the grade temperature threshold value; if at least two of the first temperature information, the second temperature information and the third temperature information exceed the corresponding temperature threshold values, obtaining first alarm information; according to first alarm information, it is right vacuum pumping system handles, and then reaches real-time supervision vacuum pump operating temperature, improves its heat-sinking capability, makes its safe operation work, and then slows down insulating ageing speed, increase of service life's technological effect.
The foregoing description is only an overview of the technical solutions of the present application, and the present application can be implemented according to the content of the description in order to make the technical means of the present application more clearly understood, and the following detailed description of the present application is given in order to make the above and other objects, features, and advantages of the present application more clearly understandable.
Drawings
Fig. 1 is a schematic flow chart of a method for monitoring the safety of a vacuum pump according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a vacuum pump safety monitoring device according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of an exemplary electronic device according to an embodiment of the present application.
Description of reference numerals: a first obtaining unit 11, a second obtaining unit 12, a third obtaining unit 13, a fourth obtaining unit 14, a fifth obtaining unit 15, a sixth obtaining unit 16, a seventh obtaining unit 17, a first judging unit 18, an eighth obtaining unit 19, a first processing unit 20, a bus 300, a receiver 301, a processor 302, a transmitter 303, a memory 304, and a bus interface 305.
Detailed Description
The embodiment of the application provides a vacuum pump safety monitoring method and device, solves the technical problems that in the prior art, the long-term high-temperature operation of a vacuum pump can cause insulation aging and shorten the service life of the vacuum pump, achieves the purpose of monitoring the working temperature of the vacuum pump in real time, improves the heat dissipation capacity of the vacuum pump, enables the vacuum pump to operate safely, and further slows down the insulation aging speed and prolongs the service life of the vacuum pump. Hereinafter, example embodiments according to the present application will be described in detail with reference to the accompanying drawings. It should be apparent that the described embodiments are merely some embodiments of the present application and not all embodiments of the present application, and it should be understood that the present application is not limited to the example embodiments described herein.
Summary of the application
The vacuum pump is a device or equipment for obtaining vacuum by pumping a pumped container by using a mechanical, physical, chemical or physical-chemical method, and is a device for improving, generating and maintaining vacuum in a certain closed space by using various methods, and is widely applied to industries such as metallurgy, chemical industry, food, electronic coating and the like. However, the prior art has the technical problems that the long-term high-temperature operation of the vacuum pump can cause insulation aging and shorten the service life of the vacuum pump.
In view of the above technical problems, the technical solution provided by the present application has the following general idea:
the embodiment of the application provides a vacuum pump safety monitoring method, which comprises the following steps: acquiring first temperature information, wherein the first temperature information is the temperature information of the primary vacuum pump; acquiring second temperature information, wherein the second temperature information is the temperature information of the secondary vacuum pump; obtaining third temperature information, wherein the third temperature information is the temperature information of the third-stage vacuum pump; obtaining first ambient temperature information; obtaining first environmental air pressure information; obtaining grade information of each vacuum pump in the vacuum pumping system; inputting the first environment temperature information, the first environment air pressure information and the grade information of each vacuum pump in the vacuum-pumping system into a temperature threshold model to respectively obtain a first-stage temperature threshold, a second-stage temperature threshold and a third-stage temperature threshold; respectively judging whether the first temperature information exceeds the first-stage temperature threshold, whether the second temperature information exceeds the second-stage temperature threshold and whether the third temperature information exceeds the third-stage temperature threshold; if at least two of the first temperature information, the second temperature information and the third temperature information exceed the corresponding temperature threshold values, obtaining first alarm information; and processing the vacuum pumping system according to the first alarm information.
Having thus described the general principles of the present application, various non-limiting embodiments thereof will now be described in detail with reference to the accompanying drawings.
Example one
As shown in fig. 1, an embodiment of the present application provides a vacuum pump safety monitoring method, where the method includes:
step S100: acquiring first temperature information, wherein the first temperature information is the temperature information of the primary vacuum pump;
step S200: acquiring second temperature information, wherein the second temperature information is the temperature information of the secondary vacuum pump;
step S300: obtaining third temperature information, wherein the third temperature information is the temperature information of the third-stage vacuum pump;
specifically, the vacuum pump is a three-stage vacuum pump and comprises a primary vacuum pump, a secondary vacuum pump and a tertiary vacuum pump, wherein the primary vacuum pump, the secondary vacuum pump and the tertiary vacuum pump are sequentially connected end to end, and if the primary vacuum pump is a vane pump, the secondary vacuum pump is a diffusion pump, and the tertiary vacuum pump is a roots pump. According to different working pressure ranges and different working requirements, different types of vacuum pumps are used, in order to meet the requirements of convenience in use and various vacuum technological processes, various vacuum pumps are sometimes combined according to the performance requirements and are applied in a unit type, common vacuum pumps comprise a dry screw vacuum pump, a water ring pump, a reciprocating pump, a slide valve pump, a rotary vane pump, a roots pump, a diffusion pump and the like, and the pumps are main pumps essential for the application of vacuum technological processes in various industries of national economy. The temperature of the vacuum pump is the temperature of the vacuum pump during working, wherein the first temperature information is the temperature information of the first-stage vacuum pump, the second temperature information is the temperature information of the second-stage vacuum pump, the third temperature information is the temperature information of the third-stage vacuum pump, and the temperature of the vacuum pump is too high after the vacuum pump is used for a long time, so that the temperature of each stage of vacuum pump needs to be monitored in real time.
Step S400: obtaining first ambient temperature information;
specifically, the first environmental temperature information is the working environment temperature of the vacuum pump, such as a water ring vacuum pump, in summer, the closed water temperature reaches 39 ℃, in a high-temperature season, the working environment water temperature of the vacuum pump reaches more than 40 ℃, which will seriously affect the pumping performance of the vacuum pump, affect the economy and safety of unit operation, and thus the requirement of the working environment temperature of the vacuum pump should be complied with.
Step S500: obtaining first environmental air pressure information;
specifically, the first environmental pressure information is the air pressure of the working environment of the vacuum pump, the types of the vacuum pumps are different, and the suitable working environment air pressure is also different, for example, the water-ring vacuum pump can allow long-term continuous working under the conditions that the environmental temperature is 5-40 ℃ and the environmental air pressure is less than 1330Pa, and the working time cannot exceed 3 minutes under the pressure from the environmental air pressure to 6000Pa, so as to avoid damaging the vacuum pump.
Step S600: obtaining grade information of each vacuum pump in the vacuum pumping system;
the grade information of the vacuum pump is the quality grade information of each grade of vacuum pump in the vacuum pumping system, wherein each grade of vacuum pump comprises a first-grade vacuum pump, a second-grade vacuum pump and a third-grade vacuum pump, the higher the quality grade of the vacuum pump is, the better the working performance is, if the quality grading is carried out on the two-grade water ring vacuum pump, the vacuum pump is divided into three quality grades of qualified products, first-grade products and superior products according to the maximum air volume, the ultimate vacuum degree and materials for the pump.
Step S700: inputting the first environment temperature information, the first environment air pressure information and the grade information of each vacuum pump in the vacuum-pumping system into a temperature threshold model to respectively obtain a first-stage temperature threshold, a second-stage temperature threshold and a third-stage temperature threshold;
further, in a step S700 in the embodiment of the present invention, the inputting the first environmental temperature information, the first environmental air pressure information, and the grade information of each vacuum pump in the vacuum pumping system into a temperature threshold model to obtain a first-stage temperature threshold, a second-stage temperature threshold, and a third-stage temperature threshold, respectively, further includes:
step S710: inputting the first environmental temperature information, the first environmental air pressure information and the grade information of each vacuum pump in the vacuum-pumping system as the input information of the temperature threshold model, wherein the temperature threshold model is obtained by training a plurality of groups of input data as training data, and each group of data in the plurality of groups of training data comprises: the first environment temperature information, the first environment air pressure information, grade information of each vacuum pump in the vacuum-pumping system and identification information for identifying temperature thresholds of each grade;
step S720: obtaining an output of the temperature threshold model, the output including one of a first level temperature threshold, a second level temperature threshold, and a third level temperature threshold.
Specifically, the temperature threshold model is a Neural network model, i.e., a Neural network model in machine learning, and a Neural Network (NN) is a complex Neural network device formed by widely connecting a large number of simple processing units (called neurons), reflects many basic features of human brain functions, and is a highly complex nonlinear dynamical learning device. Neural network models are described based on mathematical models of neurons. Artificial Neural Networks (ANN), is a description of the first-order properties of human brain devices. Briefly, it is a mathematical model. And inputting the first environment temperature information, the first environment air pressure information and the grade information of each vacuum pump in the vacuum-pumping system into a neural network model through training of a large amount of training data, and outputting a corresponding first-stage temperature threshold, a corresponding second-stage temperature threshold and a corresponding third-stage temperature threshold.
More specifically, the training process is a supervised learning process, each group of supervised data includes the first environment temperature information, the first environment air pressure information, the grade information of each vacuum pump in the vacuum pumping system, and identification information identifying each grade of temperature threshold, the first environment temperature information, the first environment air pressure information, and the grade information of each vacuum pump in the vacuum pumping system are input into a neural network model, the neural network model performs continuous self-correction and adjustment according to the identification information identifying each grade of temperature threshold, until the obtained output result is consistent with the identification information, the group of data learning supervision is ended, and the next group of data supervised learning is performed; and when the output information of the neural network model reaches the preset accuracy rate/reaches the convergence state, finishing the supervised learning process. Through the supervision and learning of the neural network model, the neural network model is enabled to process the input information more accurately, and then the output temperature thresholds at all levels are enabled to be more reasonable and accurate, so that the technical effects of determining the temperature thresholds by combining the working environment of the vacuum pump and the grade of the vacuum pump, monitoring the working temperature of the vacuum pump in real time and further prolonging the service life of the vacuum pump are achieved.
Step S800: respectively judging whether the first temperature information exceeds the first-stage temperature threshold, whether the second temperature information exceeds the second-stage temperature threshold and whether the third temperature information exceeds the third-stage temperature threshold;
step S900: if at least two of the first temperature information, the second temperature information and the third temperature information exceed the corresponding temperature threshold values, obtaining first alarm information;
step S1000: and processing the vacuum pumping system according to the first alarm information.
Specifically, the working temperature of the vacuum pump is monitored in real time, and whether the working temperature of each stage of vacuum pump exceeds the working temperature threshold range or not is analyzed and judged, namely whether the first temperature information exceeds the first stage temperature threshold or not, whether the second temperature information exceeds the second stage temperature threshold or not and whether the third temperature information exceeds the third stage temperature threshold or not. If at least two of the first temperature information, the second temperature information and the third temperature information exceed the corresponding temperature threshold values, namely the working temperature of the vacuum pump exceeds the normal temperature threshold value, alarm information is sent, and according to the first alarm information, the vacuumizing system is cooled, if the voltage of a bus where the vacuum pump is located is adjusted to 400V, or the environment temperature is reduced and air circulation is noticed, the problem that the temperature of the vacuum pump is too high is solved by changing the process or adding a cooling system and the like, so that the working temperature of the vacuum pump reaches the temperature threshold value range.
Further, after respectively determining whether the first temperature information exceeds the first-level temperature threshold, whether the second temperature information exceeds the second-level temperature threshold, and whether the third temperature information exceeds the third-level temperature threshold, step S800 in this embodiment of the present application further includes:
step S810: if the first temperature information exceeds the first-stage temperature threshold value, first reminding information is obtained;
step S820: processing the primary vacuum pump according to the first reminding information;
step S830: if the second temperature information exceeds the second-level temperature threshold value, second reminding information is obtained;
step S840: processing the secondary vacuum pump according to the second reminding information;
step S850: if the third temperature information exceeds the third-level temperature threshold, third reminding information is obtained;
step S860: and processing the third-stage vacuum pump according to the third reminding information.
Specifically, when the working temperature of the vacuum pump exceeds a normal temperature threshold, monitoring and judging the working temperature of each stage of vacuum pump, if the first temperature information exceeds the first stage temperature threshold, namely the working temperature of the first stage of vacuum pump exceeds the temperature threshold, sending out reminding information, and carrying out reminding cooling treatment on the first stage of vacuum pump according to the first reminding information; if the second temperature information exceeds the second-stage temperature threshold, namely the working temperature of the second-stage vacuum pump exceeds the temperature threshold, sending reminding information, and carrying out reminding cooling treatment on the second-stage vacuum pump according to the second reminding information; if the third temperature information exceeds the third-level temperature threshold value, namely the working temperature of the third-level vacuum pump exceeds the temperature threshold value, reminding information is sent, the third-level vacuum pump is reminded of cooling according to the third reminding information, real-time monitoring is carried out on vacuum pumps of different levels, the fault position can be quickly and accurately positioned, the positioning efficiency is improved, and the technical effect that the working performance of the vacuum pump is influenced by overhigh temperature is prevented.
Further, the steps of the embodiment of the present application further include:
step S1110: acquiring the water displacement information of a primary vacuum pump;
step S1120: obtaining a predetermined displacement threshold;
step S1130: judging whether the water displacement information of the primary vacuum pump is within the preset water displacement threshold value or not;
step S1140: if the water displacement information of the primary vacuum pump is not within the preset water displacement threshold value, second alarm information is obtained;
step S1150: and processing the primary vacuum pump according to the second alarm information.
Particularly, the displacement information of primary vacuum pump is the displacement of vacuum pump during operation, because of in vacuum pump operation process, appears a large amount of water often and pours into the pump body into, causes the vacuum pump to load too big, threatens the normal operating of evacuation unit, need carry out vacuum pump ration drainage, and predetermined displacement threshold value is preset's vacuum pump displacement scope, only in displacement threshold value, just can guarantee the normal operating of vacuum pump. And judging and analyzing whether the water displacement information of the primary vacuum pump is within the preset water displacement threshold value, if not, sending alarm information, and processing the primary vacuum pump according to the second alarm information. If the vacuum pump with larger pumping speed is replaced, the supply of working liquid is increased, the leakage detection or the inspection of the vacuum pumping system is carried out, and the disc or the impeller of the vacuum pump is replaced to solve the abnormal drainage problem of the vacuum pump, so that the vacuum pump can drain water in time, and the normal operation of a vacuum unit is ensured.
Further, before obtaining the information of the displacement of the primary vacuum pump, step S1110 in this embodiment of the present application further includes:
step S1111: obtaining first volume information of each vacuum pump in the vacuum pumping system;
step S1112: acquiring first tone quality information of each vacuum pump in the vacuum pumping system;
step S1113: inputting the first volume information and the first tone quality information into a first fault tone database to obtain a first fault tone;
step S1114: judging whether the first fault sound is a first preset fault sound;
step S1115: if the first fault sound is the first preset fault sound, a first water discharge monitoring instruction is obtained;
step S1116: and acquiring the water discharge information of the primary vacuum pump according to the first water discharge monitoring instruction.
Specifically, the first volume information is working volume information of each stage of vacuum pump in the vacuum pumping system, the first tone quality information is working sound quality information of each stage of vacuum pump in the vacuum pumping system, the first tone quality information includes information such as tone and tone color, whether the first fault sound generated when the vacuum pump works is the first preset fault sound is judged through comprehensive comparison analysis of the first volume information and the first tone quality information and fault sound in the first fault sound database, the first preset fault sound is fault sound generated due to a drainage fault, if yes, the drainage volume information of the first stage of vacuum pump is monitored according to the first drainage volume monitoring instruction, so that drainage faults occurring are processed in time, fault information is judged through the working sound of the vacuum pump, and fault reasons are determined effectively and accurately, thereby ensuring the technical effect of normal operation of the vacuum pump.
Further, after determining whether the first failure sound is a predetermined failure sound, step S1114 in this embodiment of the present application further includes:
step S11141: if the first fault sound is a second preset fault sound, a first nozzle monitoring instruction is obtained;
step S11142: and monitoring and checking the nozzles of the vacuum pumps according to the first nozzle monitoring instruction.
Particularly, through first volume information with first tone quality information with the comprehensive contrastive analysis of trouble sound in the first trouble sound database, judge vacuum pump during operation first trouble sound type, if the trouble sound type is the predetermined trouble sound of second, be the nozzle trouble of vacuum pump promptly, the nozzle is the important part that influences vacuum pump performance, probably has nozzle misloading, adorns askewly, blocks up, damage, corruption and reveal the scheduling problem, then according to first nozzle monitoring instruction, monitor the inspection to the nozzle of vacuum pump to in time handle the nozzle trouble that appears, reach through the work sound judgement trouble information of vacuum pump, effective accurate definite failure reason, and then guarantee the technical effect of vacuum pump normal operating.
Further, the steps of the embodiment of the present application further include:
step 1210: acquiring impurity content information of a pumped body of the vacuum pumping system;
step S1220: obtaining a predetermined impurity content threshold;
step S1230: judging whether the impurity content information of the pumped gas exceeds the preset impurity content threshold value or not;
step S1240: if the impurity content information of the pumped body exceeds the preset impurity content threshold value, third alarm information is obtained;
step S1250: and processing the body to be extracted according to the third alarm information.
Specifically, the impurity content information is the impurity content information of the pumped gas of the vacuum pumping system, the vacuum pump pumps gas molecules from the vacuum chamber to reduce the gas pressure of the vacuum chamber and enable the gas pressure to reach the required vacuum degree, the pumped and exhausted gas of the vacuum pump can affect the environment and equipment, the impurity content information of the pumped gas needs to be detected, the preset impurity content threshold value is the preset impurity content range of the vacuum pump, and the quality and the normal operation of the vacuum pump can be ensured only within the impurity content threshold value. And judging and analyzing whether the information of the impurity content of the pumped body exceeds the preset impurity content threshold value, if the information of the impurity content of the pumped body exceeds the preset impurity content threshold value, namely the impurity content of the pumped body exceeds a specified standard and can influence equipment and environment safety, sending alarm information, and processing the primary vacuum pump according to the third alarm information. If the pumped gas contains impurities such as water vapor or a small amount of particles, dust and the like, a filter device is added for filtering so as to use a rotary vane vacuum pump as vacuum equipment; if the gas contains factors such as acid-base corrosion or organic corrosion, the gas is filtered or neutralized, so that the gas content of the vacuum pump can be detected in time, and the technical effects of ensuring the equipment quality of the vacuum pump and the normal operation of a vacuum unit are achieved.
In summary, the method and the device for monitoring the safety of the vacuum pump provided by the embodiment of the application have the following technical effects:
1. the first temperature information, the second temperature information and the third temperature information are obtained; inputting the first environment temperature information, the first environment air pressure information and the grade information of each vacuum pump in the vacuum-pumping system into a temperature threshold model to respectively obtain a first-stage temperature threshold, a second-stage temperature threshold and a third-stage temperature threshold; respectively judging whether the temperature information exceeds the grade temperature threshold value; if at least two of the first temperature information, the second temperature information and the third temperature information exceed the corresponding temperature threshold values, obtaining first alarm information; according to first alarm information, it is right vacuum pumping system handles, and then reaches real-time supervision vacuum pump operating temperature, improves its heat-sinking capability, makes its safe operation work, and then slows down insulating ageing speed, increase of service life's technological effect.
2. Because the mode of inputting the first environment temperature information, the first environment air pressure information and the grade information of each vacuum pump in the vacuum pumping system into the neural network model is adopted, the output temperature thresholds of all grades are more reasonable and accurate, and the technical effects of determining the temperature thresholds by combining the working environment of the vacuum pump and the grade of the vacuum pump, monitoring the working temperature of the vacuum pump in real time and further prolonging the service life of the vacuum pump are achieved.
3. Due to the adoption of the technical effects of monitoring the working temperature of the vacuum pump in real time, judging fault information through the working sound of the vacuum pump, detecting the gas content of the vacuum pump in time, preventing the working performance of the vacuum pump from being influenced by overhigh temperature, enabling the vacuum pump to drain water in time and further ensuring the normal operation of a vacuum unit.
Example two
Based on the same inventive concept as the vacuum pump safety monitoring method in the foregoing embodiment, the present invention further provides a vacuum pump safety monitoring apparatus, as shown in fig. 2, the apparatus includes:
a first obtaining unit 11, where the first obtaining unit 11 is configured to obtain first temperature information, where the first temperature information is temperature information of a primary vacuum pump;
a second obtaining unit 12, where the second obtaining unit 12 is configured to obtain second temperature information, where the second temperature information is temperature information of a second-stage vacuum pump;
a third obtaining unit 13, where the third obtaining unit 13 is configured to obtain third temperature information, where the third temperature information is temperature information of a third-stage vacuum pump;
a fourth obtaining unit 14, wherein the fourth obtaining unit 14 is used for obtaining the first environment temperature information;
a fifth obtaining unit 15, where the fifth obtaining unit 15 is configured to obtain first ambient air pressure information;
a sixth obtaining unit 16, where the sixth obtaining unit 16 is configured to obtain information on a level of each vacuum pump in the vacuum pumping system;
a seventh obtaining unit 17, where the seventh obtaining unit 17 is configured to input the first environmental temperature information, the first environmental air pressure information, and the grade information of each vacuum pump in the vacuum pumping system into a temperature threshold model, and obtain a first-stage temperature threshold, a second-stage temperature threshold, and a third-stage temperature threshold, respectively;
a first judging unit 18, where the first judging unit 18 is configured to respectively judge whether the first temperature information exceeds the first-stage temperature threshold, whether the second temperature information exceeds the second-stage temperature threshold, and whether the third temperature information exceeds the third-stage temperature threshold;
an eighth obtaining unit 19, where the eighth obtaining unit 19 is configured to obtain first alarm information if at least two of the first temperature information, the second temperature information, and the third temperature information exceed corresponding temperature thresholds;
and the first processing unit 20, the first processing unit 20 is used for processing the vacuum-pumping system according to the first alarm information.
Further, the apparatus further comprises:
a ninth obtaining unit, configured to obtain first reminding information if the first temperature information exceeds the first-stage temperature threshold;
the second processing unit is used for processing the primary vacuum pump according to the first reminding information;
a tenth obtaining unit, configured to obtain second reminding information if the second temperature information exceeds the second-level temperature threshold;
the third processing unit is used for processing the secondary vacuum pump according to the second reminding information;
an eleventh obtaining unit, configured to obtain third reminding information if the third temperature information exceeds the third level temperature threshold;
and the fourth processing unit is used for processing the third-stage vacuum pump according to the third reminding information.
Further, the apparatus further comprises:
a twelfth obtaining unit, configured to obtain information on a displacement of the primary vacuum pump;
a thirteenth obtaining unit for obtaining a predetermined water discharge amount threshold;
a second judging unit, configured to judge whether the displacement information of the primary vacuum pump is within the predetermined displacement threshold;
a fourteenth obtaining unit, configured to obtain second alarm information if the displacement information of the primary vacuum pump is not within the predetermined displacement threshold;
and the fifth processing unit is used for processing the primary vacuum pump according to the second alarm information.
Further, the apparatus further comprises:
a fifteenth obtaining unit, configured to obtain first volume information of each vacuum pump in the vacuum pumping system;
a sixteenth obtaining unit, configured to obtain first sound quality information of each vacuum pump in the vacuum pumping system;
a seventeenth obtaining unit, configured to input the first volume information and the first sound quality information into a first failure sound database, and obtain a first failure sound;
a third judging unit, configured to judge whether the first failure sound is a first predetermined failure sound;
an eighteenth obtaining unit, configured to obtain a first drainage amount monitoring instruction if the first failure sound is the first predetermined failure sound;
and the nineteenth obtaining unit is used for obtaining the water discharge information of the primary vacuum pump according to the first water discharge monitoring instruction.
Further, the apparatus further comprises:
a twentieth obtaining unit configured to obtain a first nozzle monitoring instruction if the first failure sound is a second predetermined failure sound;
and the first checking unit is used for monitoring and checking the nozzles of the vacuum pumps according to the first nozzle monitoring instruction.
Further, the apparatus further comprises:
a twenty-first obtaining unit, configured to obtain impurity content information of a pumped body of the vacuum pumping system;
a twenty-second obtaining unit for obtaining a predetermined impurity content threshold;
a fourth judging unit, configured to judge whether the information on the impurity content of the gas to be pumped exceeds the predetermined impurity content threshold;
a twenty-third obtaining unit, configured to obtain third alarm information if the information on impurity content of the gas to be pumped exceeds the predetermined impurity content threshold;
and the sixth processing unit is used for processing the air-extracted body according to the third alarm information.
Further, the apparatus further comprises:
a first input unit, configured to input the temperature threshold model by using the first environmental temperature information, the first environmental air pressure information, and the grade information of each vacuum pump in the vacuum pumping system as input information of the temperature threshold model, where the temperature threshold model is obtained by training multiple sets of input data serving as training data, and each set of data in the multiple sets of training data includes: the first environment temperature information, the first environment air pressure information, grade information of each vacuum pump in the vacuum-pumping system and identification information for identifying temperature thresholds of each grade;
a twenty-fourth obtaining unit to obtain an output result of the temperature threshold model, the output result including one of a first level temperature threshold, a second level temperature threshold, and a third level temperature threshold.
Various modifications and specific examples of a vacuum pump safety monitoring method in the first embodiment of fig. 1 are also applicable to a vacuum pump safety monitoring device in this embodiment, and a method for implementing a vacuum pump safety monitoring device in this embodiment will be apparent to those skilled in the art from the foregoing detailed description of a vacuum pump safety monitoring method, and therefore, for the sake of brevity of the description, detailed description is omitted here.
Exemplary electronic device
The electronic device of the embodiment of the present application is described below with reference to fig. 3.
Fig. 3 illustrates a schematic structural diagram of an electronic device according to an embodiment of the present application.
Based on the inventive concept of the vacuum pump safety monitoring method in the foregoing embodiments, the present invention further provides a vacuum pump safety monitoring apparatus, on which a computer program is stored, which when executed by a processor implements the steps of any one of the foregoing vacuum pump safety monitoring methods.
Where in fig. 3 a bus architecture (represented by bus 300), bus 300 may include any number of interconnected buses and bridges, bus 300 linking together various circuits including one or more processors, represented by processor 302, and memory, represented by memory 304. The bus 300 may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A bus interface 305 provides an interface between the bus 300 and the receiver 301 and transmitter 303. The receiver 301 and the transmitter 303 may be the same element, i.e., a transceiver, providing a means for communicating with various other apparatus over a transmission medium.
The processor 302 is responsible for managing the bus 300 and general processing, and the memory 304 may be used for storing data used by the processor 302 in performing operations.
The embodiment of the invention provides a vacuum pump safety monitoring method, which comprises the following steps: acquiring first temperature information, wherein the first temperature information is the temperature information of the primary vacuum pump; acquiring second temperature information, wherein the second temperature information is the temperature information of the secondary vacuum pump; obtaining third temperature information, wherein the third temperature information is the temperature information of the third-stage vacuum pump; obtaining first ambient temperature information; obtaining first environmental air pressure information; obtaining grade information of each vacuum pump in the vacuum pumping system; inputting the first environment temperature information, the first environment air pressure information and the grade information of each vacuum pump in the vacuum-pumping system into a temperature threshold model to respectively obtain a first-stage temperature threshold, a second-stage temperature threshold and a third-stage temperature threshold; respectively judging whether the first temperature information exceeds the first-stage temperature threshold, whether the second temperature information exceeds the second-stage temperature threshold and whether the third temperature information exceeds the third-stage temperature threshold; if at least two of the first temperature information, the second temperature information and the third temperature information exceed the corresponding temperature threshold values, obtaining first alarm information; and processing the vacuum pumping system according to the first alarm information. The technical problems that in the prior art, the vacuum pump can be insulated and aged due to long-term high-temperature operation and the service life of the vacuum pump is shortened are solved, the working temperature of the vacuum pump is monitored in real time, the heat dissipation capacity of the vacuum pump is improved, the vacuum pump can safely operate and work, the insulation aging speed is slowed down, and the service life is prolonged.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (devices), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks. While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including all alterations and modifications as fall within the true scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (9)
1. A safety monitoring method for a vacuum pump is applied to a vacuum pumping system, the system comprises a primary vacuum pump, a secondary vacuum pump and a tertiary vacuum pump, the primary vacuum pump, the secondary vacuum pump and the tertiary vacuum pump are sequentially connected end to end, and the method comprises the following steps:
acquiring first temperature information, wherein the first temperature information is the temperature information of the primary vacuum pump;
acquiring second temperature information, wherein the second temperature information is the temperature information of the secondary vacuum pump;
obtaining third temperature information, wherein the third temperature information is the temperature information of the third-stage vacuum pump;
obtaining first ambient temperature information;
obtaining first environmental air pressure information;
obtaining grade information of each vacuum pump in the vacuum pumping system;
inputting the first environment temperature information, the first environment air pressure information and the grade information of each vacuum pump in the vacuum-pumping system into a temperature threshold model to respectively obtain a first-stage temperature threshold, a second-stage temperature threshold and a third-stage temperature threshold;
respectively judging whether the first temperature information exceeds the first-stage temperature threshold, whether the second temperature information exceeds the second-stage temperature threshold and whether the third temperature information exceeds the third-stage temperature threshold;
if at least two of the first temperature information, the second temperature information and the third temperature information exceed the corresponding temperature threshold values, obtaining first alarm information;
and processing the vacuum pumping system according to the first alarm information.
2. The method of claim 1, wherein said separately determining whether the first temperature information exceeds the first level temperature threshold, the second temperature information exceeds the second level temperature threshold, and the third temperature information exceeds the third level temperature threshold comprises:
if the first temperature information exceeds the first-stage temperature threshold value, first reminding information is obtained;
processing the primary vacuum pump according to the first reminding information;
if the second temperature information exceeds the second-level temperature threshold value, second reminding information is obtained;
processing the secondary vacuum pump according to the second reminding information;
if the third temperature information exceeds the third-level temperature threshold, third reminding information is obtained;
and processing the third-stage vacuum pump according to the third reminding information.
3. The method of claim 1, wherein the method comprises:
acquiring the water displacement information of a primary vacuum pump;
obtaining a predetermined displacement threshold;
judging whether the water displacement information of the primary vacuum pump is within the preset water displacement threshold value or not;
if the water displacement information of the primary vacuum pump is not within the preset water displacement threshold value, second alarm information is obtained;
and processing the primary vacuum pump according to the second alarm information.
4. The method of claim 1, wherein prior to obtaining displacement information for the primary vacuum pump, comprising:
obtaining first volume information of each vacuum pump in the vacuum pumping system;
acquiring first tone quality information of each vacuum pump in the vacuum pumping system;
inputting the first volume information and the first tone quality information into a first fault tone database to obtain a first fault tone;
judging whether the first fault sound is a first preset fault sound;
if the first fault sound is the first preset fault sound, a first water discharge monitoring instruction is obtained;
and acquiring the water discharge information of the primary vacuum pump according to the first water discharge monitoring instruction.
5. The method of claim 4, wherein said determining whether the first failure tone is a predetermined failure tone comprises:
if the first fault sound is a second preset fault sound, a first nozzle monitoring instruction is obtained;
and monitoring and checking the nozzles of the vacuum pumps according to the first nozzle monitoring instruction.
6. The method of claim 1, wherein the method comprises:
acquiring impurity content information of a pumped body of the vacuum pumping system;
obtaining a predetermined impurity content threshold;
judging whether the impurity content information of the pumped gas exceeds the preset impurity content threshold value or not;
if the impurity content information of the pumped body exceeds the preset impurity content threshold value, third alarm information is obtained;
and processing the body to be extracted according to the third alarm information.
7. The method of claim 1, wherein said inputting the first ambient temperature information, the first ambient air pressure information, and the class information of each vacuum pump in the evacuation system into a temperature threshold model to obtain a first class temperature threshold, a second class temperature threshold, and a third class temperature threshold, respectively, comprises:
inputting the first environmental temperature information, the first environmental air pressure information and the grade information of each vacuum pump in the vacuum-pumping system as the input information of the temperature threshold model, wherein the temperature threshold model is obtained by training a plurality of groups of input data as training data, and each group of data in the plurality of groups of training data comprises: the first environment temperature information, the first environment air pressure information, grade information of each vacuum pump in the vacuum-pumping system and identification information for identifying temperature thresholds of each grade;
obtaining an output of the temperature threshold model, the output including one of a first level temperature threshold, a second level temperature threshold, and a third level temperature threshold.
8. A vacuum pump safety monitoring apparatus, wherein the apparatus comprises:
the first obtaining unit is used for obtaining first temperature information, and the first temperature information is temperature information of a primary vacuum pump;
the second obtaining unit is used for obtaining second temperature information, and the second temperature information is the temperature information of the second-stage vacuum pump;
a third obtaining unit, configured to obtain third temperature information, where the third temperature information is temperature information of a third-stage vacuum pump;
a fourth obtaining unit configured to obtain first ambient temperature information;
a fifth obtaining unit configured to obtain first ambient air pressure information;
a sixth obtaining unit, configured to obtain level information of each vacuum pump in the vacuum pumping system;
a seventh obtaining unit, configured to input the first environmental temperature information, the first environmental air pressure information, and the grade information of each vacuum pump in the vacuum pumping system into a temperature threshold model, and obtain a first-stage temperature threshold, a second-stage temperature threshold, and a third-stage temperature threshold, respectively;
a first judging unit, configured to respectively judge whether the first temperature information exceeds the first-stage temperature threshold, whether the second temperature information exceeds the second-stage temperature threshold, and whether the third temperature information exceeds the third-stage temperature threshold;
an eighth obtaining unit, configured to obtain first alarm information if at least two of the first temperature information, the second temperature information, and the third temperature information exceed corresponding temperature thresholds;
and the first processing unit is used for processing the vacuumizing system according to the first alarm information.
9. A vacuum pump safety monitoring apparatus comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the method of any one of claims 1 to 7 when executing the program.
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| CN114593061B (en) * | 2022-03-07 | 2022-12-20 | 信尔胜机械（江苏）有限公司 | Screw vacuum pump's sealed inefficacy autoalarm |
| CN115306700B (en) * | 2022-08-16 | 2023-08-22 | 江苏汉华热管理科技有限公司 | Online monitoring system for working condition of vacuum pump for exhaust emission of carbonization furnace |
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