CN107520252B - Method and device for monitoring oil supply amount of electromagnetic oil supply system - Google Patents

Method and device for monitoring oil supply amount of electromagnetic oil supply system Download PDF

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Publication number
CN107520252B
CN107520252B CN201710556217.4A CN201710556217A CN107520252B CN 107520252 B CN107520252 B CN 107520252B CN 201710556217 A CN201710556217 A CN 201710556217A CN 107520252 B CN107520252 B CN 107520252B
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China
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oil
electromagnetism
anomalous event
feeding system
site
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CN107520252A (en
Inventor
张维中
王立辉
巩贺
郭运学
韦绍恒
田成林
刘纳新
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Shougang Jingtang United Iron and Steel Co Ltd
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Shougang Jingtang United Iron and Steel Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B37/00Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B37/00Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B2037/002Mass flow control

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Pipeline Systems (AREA)

Abstract

The invention relates to the technical field of lubricating systems, in particular to a method and a device for monitoring the oil supply amount of an electromagnetic oil supply system, wherein the method comprises the following steps: acquiring the theoretical oil adding amount of an electromagnetic oil feeding system in unit time, wherein the electromagnetic oil feeding system comprises a plurality of lubricating points; obtaining an oil quantity difference value between the actual oil filling quantity and the theoretical oil filling quantity of the electromagnetic oil supply system in unit time; judging whether an oil quantity abnormal event occurs or not according to the oil quantity difference value; if the oil quantity abnormal event occurs, respectively judging whether the lubricating points generate a pressure drop abnormal event; and determining the lubrication point where the pressure drop abnormal event occurs as a fault lubrication point. The invention can accurately determine the fault lubrication point with oil leakage fault, avoid the waste of grease and realize the effective monitoring of the oil supply quantity of the electromagnetic oil supply system.

Description

Monitoring method and device of the electromagnetism oil feeding system to oil mass
Technical field
The present invention relates to lubricating system technical field more particularly to electromagnetism oil feeding systems to the monitoring method and dress of oil mass It sets.
Background technique
In metallurgy industry, hot-rolled strip production line mechanical equipment dry oil lubrication point is more and facility environment temperature is high, to profit Sliding is more demanding, the intelligent grease lubricating system of existing multiselect.Intelligent grease lubricating system is using programmable controller as master Control system is wanted, uses advanced text display or microcomputer as display operation system.Electromagnetism oil feeder fuel feeding, fuel delivery are big Small, supply time length is all completed by master control system.The oil condition of each oil site of flow sensor real-time detection, operation The difference that personnel can require according to each oil site of equipment adjusts fuel delivery parameters by microcomputer or text display.
In the prior art, flow sensor is only the movement for detecting spool when electromagnetism oil feeder fuel feeding, in practical application In the process, if the aging of sealing "O"-ring or damage of spool, flow sensor spool plug side and bar side string oil will result in stream The every movement of quantity sensor spool is primary, to oil site Amount of actual oil supply much larger than theoretical volume read-out, to cause a large amount of oil Rouge waste, therefore need the method that a kind of pair of electromagnetism oil feeding system is monitored to oil mass.
Summary of the invention
In view of the above problems, it proposes on the present invention overcomes the above problem or at least be partially solved in order to provide one kind State monitoring method and device of the electromagnetism oil feeding system to oil mass of problem.
The embodiment of the present invention provides a kind of electromagnetism oil feeding system to the monitoring method of oil mass, which comprises
Theoretical volume read-out of the electromagnetism oil feeding system within the unit time is obtained, the electromagnetism oil feeding system includes several Oil site;
The electromagnetism oil feeding system is obtained between the practical volume read-out and the theoretical volume read-out in the unit time Oil mass difference;
According to the oil mass difference, judge whether that oil mass anomalous event occurs;
If oil mass anomalous event occurs, judge whether each oil site occurs pressure drop anomalous event respectively;
The oil site that the pressure drop anomalous event occurs is determined as failure oil site.
Preferably, it is described the oil site that the pressure drop anomalous event occurs is determined as failure oil site after, it is described Method further include:
Replace the spool of flow sensor at failure oil site.
Preferably, described according to the oil mass difference, judge whether that oil mass anomalous event occurs, comprising:
Judge whether the practical volume read-out is greater than the 10% of the theoretical volume read-out;
Wherein, if the practical volume read-out is greater than the 10% of the theoretical volume read-out, show that the oil mass exception occurs Otherwise event shows that the oil mass anomalous event does not occur.
Preferably, judge whether the oil site occurs the pressure drop anomalous event, comprising:
Judge the oil site in the case where the pressure of the Trunk Line of the electromagnetism oil feeding system declines preset pressure value Refueling times whether be less than preset times;
Wherein, if the refueling times are less than the preset times, it is abnormal to show that the pressure drop occurs for the oil site Otherwise event shows that the pressure drop anomalous event does not occur.
Preferably, the pressure of the Trunk Line of the electromagnetism oil feeding system is not less than 13Mpa.
Preferably, the unit time is one day or one week.
Based on the same inventive concept, the embodiment of the present invention also provides a kind of electromagnetism oil feeding system to the monitoring device of oil mass, Described device includes:
Module is obtained, for obtaining theoretical volume read-out of the electromagnetism oil feeding system within the unit time, the electromagnetism is given Oil system includes several oil sites;
Module is obtained, for obtaining practical volume read-out of the electromagnetism oil feeding system within the unit time and the reason By the oil mass difference between volume read-out;
For judging whether according to the oil mass difference oil mass anomalous event occurs for first judgment module;
Second judgment module judges whether each oil site occurs pressure drop exception if oil mass anomalous event occurs respectively Event;
Determining module, for the oil site that the pressure drop anomalous event occurs to be determined as failure oil site.
Preferably, described device further include:
Module is replaced, for replacing the spool of flow sensor at failure oil site.
Based on the same inventive concept, the embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with Computer program, the program perform the steps of when being executed by processor
Theoretical volume read-out of the electromagnetism oil feeding system within the unit time is obtained, the electromagnetism oil feeding system includes several Oil site;
The electromagnetism oil feeding system is obtained between the practical volume read-out and the theoretical volume read-out in the unit time Oil mass difference;
According to the oil mass difference, judge whether that oil mass anomalous event occurs;
If oil mass anomalous event occurs, judge whether each oil site occurs pressure drop anomalous event respectively;
The oil site that the pressure drop anomalous event occurs is determined as failure oil site.
Based on the same inventive concept, the embodiment of the present invention also provides a kind of computer equipment, including memory, processor and The computer program that can be run on a memory and on a processor is stored, the processor is realized following when executing described program Step:
Theoretical volume read-out of the electromagnetism oil feeding system within the unit time is obtained, the electromagnetism oil feeding system includes several Oil site;
The electromagnetism oil feeding system is obtained between the practical volume read-out and the theoretical volume read-out in the unit time Oil mass difference;
According to the oil mass difference, judge whether that oil mass anomalous event occurs;
If oil mass anomalous event occurs, judge whether each oil site occurs pressure drop anomalous event respectively;
The oil site that the pressure drop anomalous event occurs is determined as failure oil site.
One or more technical solutions in the embodiment of the present invention, have at least the following technical effects or advantages:
The present invention by the way that practical volume read-out of the electromagnetism oil feeding system within the unit time and theoretical volume read-out are compared, According to the oil mass difference between practical volume read-out and theoretical volume read-out judge whether that oil mass anomalous event occurs, if it is different that oil mass occurs Ordinary affair part then judges whether each oil site occurs pressure drop anomalous event again respectively, and the oil site of pressure drop anomalous event will occur It is determined as failure oil site, so as to accurately determine out the failure oil site for oil leakage fault occur, avoids the wave of grease Take, realizes the effective monitoring to oil mass to electromagnetism oil feeding system.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention Limitation.And throughout the drawings, identical component is indicated with identical reference pattern.In the accompanying drawings:
Fig. 1 shows the electromagnetism oil feeding system in the embodiment of the present invention to the monitoring method of oil mass;
Fig. 2 shows the electromagnetism oil feeding systems in the embodiment of the present invention to the structure chart of the monitoring device of oil mass;
Fig. 3 shows the entity structure schematic diagram of the computer equipment in the embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure It is fully disclosed to those skilled in the art.
The embodiment of the present invention provides a kind of electromagnetism oil feeding system to the monitoring method of oil mass, as shown in Figure 1, the method packet It includes:
Step 101: obtaining theoretical volume read-out of the electromagnetism oil feeding system within the unit time, the electromagnetism oil feeding system Include several oil sites.
In the specific implementation process, the unit time is one day or one week, and the application carries out for being one day by the unit time Explanation.In turn, according to the operating status, environment temperature and function required precision of equipment each in electromagnetism oil feeding system, electromagnetism is set Oil filling cycle and refueling times of each oil site that oil feeding system is included within the unit time, and according to each oil site Oil filling cycle and refueling times obtain theoretical volume read-out of the electromagnetism oil feeding system within the unit time, for example, working as each oil site Oil filling cycle and when refueling times all the same, if the oil filling cycle of an oil site is one refueling process of execution in every 6 hours, One refueling process refuels twice, and the theoretical volume read-out to refuel every time is 3ml, then an oil site one day theoretical volume read-out is 24ml, if electromagnetism oil feeding system, there are 5 oil sites, which is 120ml in intraday theoretical volume read-out. Wherein, theoretical volume read-out of the electromagnetism oil feeding system within the unit time is all profits that electromagnetism oil feeding system includes in the unit time The summation of the theoretical volume read-out of sliding point.
Step 102: obtaining practical volume read-out of the electromagnetism oil feeding system within the unit time and the theory adds Oil mass difference between oil mass.
In the specific implementation process, in electromagnetism oil feeding system maintenance process, record is actually added into drier oil and mends in rouge tank Drier oil amount and mend rouge tank and be added to the practical volume read-out of each oil site, according to reality of each oil site within the unit time The summation of border volume read-out obtains practical volume read-out of the electromagnetism oil feeding system within the unit time.
Step 103: according to the oil mass difference, judging whether that oil mass anomalous event occurs.
Step 104: if oil mass anomalous event occurs, judging whether each oil site occurs pressure drop anomalous event respectively.
Step 105: the oil site that the pressure drop anomalous event occurs is determined as failure oil site.
In the specific implementation process, step 103 can be with are as follows: judges whether the practical volume read-out of electromagnetism oil feeding system is greater than electricity The 10% of the theoretical volume read-out of magnetic oil feeding system, if the practical volume read-out of electromagnetism oil feeding system is greater than the theory of electromagnetism oil feeding system The 10% of volume read-out then shows that oil mass anomalous event occurs, otherwise shows that there is no oil mass anomalous events.If it is different that oil mass occurs Ordinary affair part in a preferred embodiment can first removal system Trunk Line oil leak and electromagnetism oil feeder change-over valve core The possibility of oil leak, that is, if oil mass anomalous event occurs, judge system superintendent's line whether oil leak, and judge electromagnetism oil feeder Change-over valve core whether distinguish if system superintendent's line does not have oil leak and electromagnetism oil feeder change-over valve core does not have oil leak by oil leak Judge whether each oil site occurs pressure drop anomalous event.Certainly, it in a kind of optional embodiment, can also directly send out When oil generating quantity anomalous event, directly judge whether each oil site occurs pressure drop anomalous event.
Further, for each oil site, it is identical to judge whether it occurs the method for pressure drop anomalous event, it can be with Are as follows: judging the refueling times of the oil site in the case where the pressure of the Trunk Line of electromagnetism oil feeding system declines preset pressure value is No to be less than preset times, preset pressure value can usually choose 1Mpa, and preset times are corresponding with preset pressure value, usual pressure When declining 1Mpa, the refueling times of an oil site are 8 times or more.For example, controlling electromagnetism oil supply if oil mass anomalous event occurs System starts electronic dry oil pump by automatic pattern switching to manual mode, stops electric dry after supervisor's line pressure is risen to 20Mpa Oil pump first judges the first oil site, judges when the pressure of Trunk Line declines 1Mpa (dropping to 19Mpa), first Whether the refueling times of oil site are less than preset 8 times, if the oiling of the first oil site is secondary when the pressure of Trunk Line declines 1Mpa Number is less than 8 times, then shows that there is the first oil site occurs pressure drop anomalous event, if more than or equal to 8 times, then show not press Anomalous event drops.It should be noted that in this application, the pressure for controlling the Trunk Line of electromagnetism oil feeding system is not less than 13Mpa, If the pressure of Trunk Line is lower than 13Mpa, starts electronic dry oil pump for supervisor's line pressure and is raised to the dynamic dry oil pump of power failure after 20Mpa, To guarantee the service pressure of electromagnetism oil feeding system.
Further, after judging whether that pressure drop anomalous event occurs to each oil site, pressure drop anomalous event will occur Oil site be determined as failure oil site, then, the spool of the flow sensor at failure oil site is replaced, specifically Ground can replace the "O"-ring of flow sensor spool.
The present invention by the way that practical volume read-out of the electromagnetism oil feeding system within the unit time and theoretical volume read-out are compared, According to the oil mass difference between practical volume read-out and theoretical volume read-out judge whether that oil mass anomalous event occurs, if it is different that oil mass occurs Ordinary affair part then judges whether each oil site occurs pressure drop anomalous event again respectively, and the oil site of pressure drop anomalous event will occur It is determined as failure oil site, so as to accurately determine out the failure oil site for oil leakage fault occur, avoids the wave of grease Take, realize the effective monitoring to oil mass to electromagnetism oil feeding system, so that the volume read-out of each oil site knows, controllably transports Row.
Based on the same inventive concept, the embodiment of the present invention also provides a kind of electromagnetism oil feeding system to the monitoring device of oil mass, As shown in Fig. 2, described device includes:
Module 201 is obtained, for obtaining theoretical volume read-out of the electromagnetism oil feeding system within the unit time, the electromagnetism Oil feeding system includes several oil sites;
Module 202 is obtained, for obtaining practical volume read-out and institute of the electromagnetism oil feeding system within the unit time State the oil mass difference between theoretical volume read-out;
For judging whether according to the oil mass difference oil mass anomalous event occurs for first judgment module 203;
It is different to judge whether each oil site occurs pressure drop if oil mass anomalous event occurs respectively for second judgment module 204 Ordinary affair part;
Determining module 205, for the oil site that the pressure drop anomalous event occurs to be determined as failure oil site.
Preferably, described device further include:
Module is replaced, for replacing the spool of flow sensor at failure oil site.
Preferably, first judgment module 203 are specifically used for:
Judge whether the practical volume read-out is greater than the 10% of the theoretical volume read-out;
Wherein, if the practical volume read-out is greater than the 10% of the theoretical volume read-out, show that the oil mass exception occurs Otherwise event shows that the oil mass anomalous event does not occur.
Preferably, the second judgment module 204, is specifically used for:
Judge the oil site in the case where the pressure of the Trunk Line of the electromagnetism oil feeding system declines preset pressure value Refueling times whether be less than preset times;
Wherein, if the refueling times are less than the preset times, it is abnormal to show that the pressure drop occurs for the oil site Otherwise event shows that the pressure drop anomalous event does not occur.
Preferably, the pressure of the Trunk Line of the electromagnetism oil feeding system is not less than 13Mpa.
Preferably, the unit time is one day or one week.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, the program It is performed the steps of when being executed by processor
Theoretical volume read-out of the electromagnetism oil feeding system within the unit time is obtained, the electromagnetism oil feeding system includes several Oil site;
The electromagnetism oil feeding system is obtained between the practical volume read-out and the theoretical volume read-out in the unit time Oil mass difference;
According to the oil mass difference, judge whether that oil mass anomalous event occurs;
If oil mass anomalous event occurs, judge whether each oil site occurs pressure drop anomalous event respectively;
The oil site that the pressure drop anomalous event occurs is determined as failure oil site.
The embodiment of the present invention also provides a kind of computer equipment, as shown in figure 3, for ease of description, illustrating only and this The relevant part of inventive embodiments, it is disclosed by specific technical details, please refer to present invention method part.The computer Equipment can be mobile phone, tablet computer, PDA (Personal Digital Assistant, personal digital assistant), POS Any computer equipment such as (Point of Sales, point-of-sale terminal), vehicle-mounted computer, Fig. 3 is shown and the embodiment of the present invention The block diagram of the relevant part-structure of the computer equipment of offer.With reference to Fig. 3, which includes: memory 301 and processing Device 302.It will be understood by those skilled in the art that computer equipment structure shown in Fig. 3 is not constituted to computer equipment It limits, may include perhaps combining certain components or different component layouts than illustrating more or fewer components.
It is specifically introduced below with reference to each component parts of the Fig. 3 to computer equipment:
Memory 301 can be used for storing software program and module, and processor 302 is stored in memory 301 by operation Software program and module, thereby executing the various function application and data processing of mobile phone.Memory 301 can mainly include Storing program area and storage data area, wherein storing program area can application journey needed for storage program area, at least one function Sequence (such as sound-playing function, image player function etc.) etc.;Storage data area can be stored to be created according to using for mobile phone Data (such as audio data, phone directory etc.) etc..It, can be in addition, memory 301 may include high-speed random access memory Including nonvolatile memory, for example, at least a disk memory, flush memory device or other volatile solid-states Part.
Processor 302 is the control centre of mobile phone, using the various pieces of various interfaces and connection whole mobile phone, is led to It crosses operation or executes the software program and/or module being stored in memory 301, and call and be stored in memory 301 Data execute the various functions and processing data of mobile phone, to carry out integral monitoring to mobile phone.Optionally, processor 302 can wrap Include one or more processing units;Preferably, processor 302 can integrate application processor and modem processor, wherein answer With the main processing operation system of processor, user interface and application program etc., modem processor mainly handles wireless communication. It is understood that above-mentioned modem processor can not also be integrated into processor 302.
In embodiments of the present invention, processor 302 included by the computer equipment can have following functions:
Theoretical volume read-out of the electromagnetism oil feeding system within the unit time is obtained, the electromagnetism oil feeding system includes several Oil site;
The electromagnetism oil feeding system is obtained between the practical volume read-out and the theoretical volume read-out in the unit time Oil mass difference;
According to the oil mass difference, judge whether that oil mass anomalous event occurs;
If oil mass anomalous event occurs, judge whether each oil site occurs pressure drop anomalous event respectively;
The oil site that the pressure drop anomalous event occurs is determined as failure oil site.
Technical solution in above-mentioned the embodiment of the present application, at least have the following technical effects or advantages:
The present invention by the way that practical volume read-out of the electromagnetism oil feeding system within the unit time and theoretical volume read-out are compared, According to the oil mass difference between practical volume read-out and theoretical volume read-out judge whether that oil mass anomalous event occurs, if it is different that oil mass occurs Ordinary affair part then judges whether each oil site occurs pressure drop anomalous event again respectively, and the oil site of pressure drop anomalous event will occur It is determined as failure oil site, so as to accurately determine out the failure oil site for oil leakage fault occur, avoids the wave of grease Take, realizes the effective monitoring to oil mass to electromagnetism oil feeding system.
Algorithm and display are not inherently related to any particular computer, virtual system, or other device provided herein. Various general-purpose systems can also be used together with teachings based herein.As described above, it constructs required by this kind of system Structure be obvious.In addition, the present invention is also not directed to any particular programming language.It should be understood that can use various Programming language realizes summary of the invention described herein, and the description done above to language-specific is to disclose this hair Bright preferred forms.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail And technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of the various inventive aspects, Above in the description of exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes In example, figure or descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention: i.e. required to protect Shield the present invention claims features more more than feature expressly recited in each claim.More precisely, as following Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore, Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim itself All as a separate embodiment of the present invention.
Those skilled in the art will understand that can be carried out adaptively to the module in the equipment in embodiment Change and they are arranged in one or more devices different from this embodiment.It can be the module or list in embodiment Member or component are combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it can use any Combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed All process or units of what method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint power Benefit require, abstract and attached drawing) disclosed in each feature can carry out generation with an alternative feature that provides the same, equivalent, or similar purpose It replaces.
In addition, it will be appreciated by those of skill in the art that although some embodiments in this include institute in other embodiments Including certain features rather than other feature, but the combination of the feature of different embodiment means in the scope of the present invention Within and form different embodiments.For example, in the following claims, embodiment claimed it is any it One can in any combination mode come using.
Various component embodiments of the invention can be implemented in hardware, or to run on one or more processors Software module realize, or be implemented in a combination thereof.It will be understood by those of skill in the art that can be used in practice Microprocessor or digital signal processor (DSP) realize gateway according to an embodiment of the present invention, proxy server, in system Some or all components some or all functions.The present invention is also implemented as executing side as described herein Some or all device or device programs (for example, computer program and computer program product) of method.It is such It realizes that program of the invention can store on a computer-readable medium, or can have the shape of one or more signal Formula.Such signal can be downloaded from an internet website to obtain, and perhaps be provided on the carrier signal or with any other shape Formula provides.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims, Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not Element or step listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of multiple such Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real It is existing.In the unit claims listing several devices, several in these devices can be through the same hardware branch To embody.Word, second and the use of third etc. do not indicate any sequence.These words can be construed to title.

Claims (7)

1. a kind of electromagnetism oil feeding system is to the monitoring method of oil mass, which is characterized in that the described method includes:
Theoretical volume read-out of the electromagnetism oil feeding system within the unit time is obtained, if the electromagnetism oil feeding system includes dry lubrication Point;
Obtain oil of the electromagnetism oil feeding system between the practical volume read-out and the theoretical volume read-out in the unit time Measure difference;
According to the oil mass difference, judge whether that oil mass anomalous event occurs;
If oil mass anomalous event occurs, judge the electromagnetism oil feeding system Trunk Line whether oil leak, and judge the electricity Electromagnetism oil feeder change-over valve core in magnetic oil feeding system whether oil leak, if the Trunk Line does not have oil leak and the electromagnetism oil supply Device change-over valve core does not have oil leak, then judges whether each oil site occurs pressure drop anomalous event respectively;
The oil site that the pressure drop anomalous event occurs is determined as failure oil site;
It is wherein, described to judge whether each oil site occurs pressure drop anomalous event respectively, comprising:
Judge in the case where the pressure of the Trunk Line of the electromagnetism oil feeding system the declines preset pressure value oil site plus Whether oily number is less than preset times;
Wherein, if the refueling times are less than the preset times, show that the pressure drop anomalous event occurs for the oil site, Otherwise, show that the pressure drop anomalous event does not occur.
2. the method as described in claim 1, which is characterized in that true in the oil site that the pressure drop anomalous event will occur It is set to after failure oil site, the method also includes:
Replace the spool of flow sensor at failure oil site.
3. the method as described in claim 1, which is characterized in that it is described according to the oil mass difference, judge whether that oil mass occurs Anomalous event, comprising:
Judge whether the practical volume read-out is greater than the 10% of the theoretical volume read-out;
Wherein, if the practical volume read-out is greater than the 10% of the theoretical volume read-out, show that the oil mass anomalous event occurs, Otherwise, show that the oil mass anomalous event does not occur.
4. the method as described in claim 1, which is characterized in that the pressure of the Trunk Line of the electromagnetism oil feeding system is not less than 13Mpa。
5. the method as described in claim 1, which is characterized in that the unit time is one day or one week.
6. a kind of electromagnetism oil feeding system is to the monitoring device of oil mass, which is characterized in that described device includes:
Module is obtained, for obtaining theoretical volume read-out of the electromagnetism oil feeding system within the unit time, electromagnetism oil supply system System includes several oil sites;
Module is obtained, is added for obtaining practical volume read-out of the electromagnetism oil feeding system within the unit time and the theory Oil mass difference between oil mass;
For judging whether according to the oil mass difference oil mass anomalous event occurs for first judgment module;
Second judgment module, if occur oil mass anomalous event, judge the electromagnetism oil feeding system Trunk Line whether oil leak, with And judge electromagnetism oil feeder change-over valve core in the electromagnetism oil feeding system whether oil leak, if the Trunk Line do not have oil leak and The electromagnetism oil feeder change-over valve core does not have oil leak, then judges whether each oil site occurs pressure drop anomalous event respectively;
Determining module, for the oil site that the pressure drop anomalous event occurs to be determined as failure oil site;
Wherein, second judgment module is specifically used for:
Judge in the case where the pressure of the Trunk Line of the electromagnetism oil feeding system the declines preset pressure value oil site plus Whether oily number is less than preset times;
Wherein, if the refueling times are less than the preset times, show that the pressure drop anomalous event occurs for the oil site, Otherwise, show that the pressure drop anomalous event does not occur.
7. device as claimed in claim 6, which is characterized in that described device further include:
Module is replaced, for replacing the spool of flow sensor at failure oil site.
CN201710556217.4A 2017-07-10 2017-07-10 Method and device for monitoring oil supply amount of electromagnetic oil supply system Active CN107520252B (en)

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