A method, system and storage medium for intelligent oil emulsification prevention in air compressors

CN118088411BActive Publication Date: 2026-09-01CRRC NANJING PUZHEN CO LTD
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Patent Information

Application Number
CN202410195937.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-02-22
Publication Date
2026-09-01
Estimated Expiration
2044-02-22

AI Technical Summary

Technical Problem

外界潮湿的环境将使吸入空压机压缩的空气湿度大,水分含量高,与空压机润滑油混合后易发生油乳化;新线路开通初期客流量不足,导致列车空簧、制动缸等耗气量少,空压机实际工作负荷率严重不足,润滑油温度不能达到70度以上,无法将混入润滑油中的水分充分汽化排出,从而产生润滑油乳化的现象

Benefits of technology

[0045]本发明提供种空压机智能防油乳化方法、系统及存储介质,能够结合外界环境湿度以及空压机实际工作负荷率,判断空压机是否需要进行防油乳化控制进程,并基于判断结果控制空压机,全程全自动化,不需要人工参与,防止空压机润滑油发生油乳化,同时减小日常维护保养工作,节省能源,符合国家对轨道交通车辆绿色、智能的发展要求。

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Abstract

This invention discloses an intelligent anti-oil emulsification method, system, and storage medium for air compressors, comprising: receiving ambient humidity information and determining whether the air compressor is operating in a high-humidity or low-humidity environment; acquiring the high-humidity workload rate and the low-humidity workload rate, and calculating the actual workload rate of the air compressor; if the air compressor is operating in a high-humidity environment, determining whether the air compressor needs to undergo an anti-oil emulsification control process based on the high-humidity workload rate and the actual workload rate, and controlling the air compressor based on the determination result; if the air compressor is operating in a low-humidity environment, determining whether the air compressor needs to undergo an anti-oil emulsification control process based on the low-humidity workload rate and the actual workload rate, and controlling the air compressor based on the determination result; this invention can prevent oil emulsification of air compressor lubricating oil, reduce daily maintenance work, and save energy.
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Description

Technical Field

[0001] This invention relates to an intelligent anti-oil emulsification method, system, and storage medium for air compressors, belonging to the field of air compressor lubricating oil emulsification technology. Background Technology

[0002] Currently, oil emulsification is a common problem in the lubricating oil of air compressors in urban rail and metro trains, and it often occurs in situations with high air humidity or during the initial operation of new lines. A humid environment results in high humidity and moisture content in the air drawn into the air compressor, making it prone to emulsification when mixed with the lubricating oil. In the initial stages of a new line's operation, insufficient passenger flow leads to low air consumption in components such as train springs and brake cylinders, resulting in a severely insufficient actual working load on the air compressor. Consequently, the lubricating oil temperature cannot reach above 70 degrees Celsius, preventing the sufficient vaporization and removal of moisture mixed in the lubricating oil, thus causing emulsification. Currently, there are generally two solutions: one is for maintenance personnel to manually force the air compressor to operate after the train returns to the depot to increase its workload; the other is to increase the air compressor's load by increasing the size of the dryer's air intake port. However, both solutions have drawbacks. Manually forcing the air compressor to operate increases the workload significantly, and by this time, the air compressor usually already has oil emulsification, requiring oil replacement in severe cases. Increasing the air compressor's load by increasing the dryer's air intake port size requires selecting different dryer air intake port sizes after oil emulsification occurs, tracking and testing to determine the appropriate port size, resulting in a huge workload. Furthermore, both solutions require continuous manual monitoring of the air compressor's oil emulsification during operation to determine the maintenance plan, which causes considerable inconvenience for daily maintenance personnel. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide an intelligent anti-oil emulsification method, system and storage medium for air compressors, which can prevent oil emulsification of air compressor lubricating oil, reduce daily maintenance work, save energy, and meet the national requirements for the green and intelligent development of rail transit vehicles.

[0004] To achieve the above objectives, the present invention is implemented using the following technical solution:

[0005] In a first aspect, the present invention provides an intelligent anti-oil emulsification method for air compressors, comprising:

[0006] It receives ambient humidity information and uses this information to determine whether the air compressor is operating in a high-humidity or low-humidity environment.

[0007] Obtain the high humidity workload rate F1 and the low humidity workload rate F2, and calculate the actual workload rate F of the air compressor;

[0008] If the air compressor is operating in a high humidity environment, determine whether the air compressor needs to perform an anti-oil emulsification control process based on the high humidity working load rate F1 and the actual working load rate F, and control the air compressor based on the judgment result.

[0009] If the air compressor is operating in a low humidity environment, determine whether the air compressor needs to perform an anti-oil emulsification control process based on the low humidity working load rate F2 and the actual working load rate F, and control the air compressor based on the judgment result.

[0010] Optionally, the method for determining whether the air compressor is operating in a high-humidity or low-humidity environment includes:

[0011] Obtain the humidity threshold and compare the ambient humidity information detected by the data acquisition module with the humidity threshold;

[0012] When the ambient humidity is greater than or equal to the humidity threshold, the air compressor is operating in a high humidity environment.

[0013] When the ambient humidity is less than the humidity threshold, the air compressor operates in a low humidity environment.

[0014] Optionally, the step of calculating the actual working load rate F of the air compressor includes:

[0015] Record the accumulated working time T1 of the air compressor during the train's operation and the total duration T2 of the train's operation.

[0016] The formula for calculating the actual working load rate F of the air compressor is:

[0017]

[0018] Where: T1 is the accumulated working time of the air compressor, and T2 is the total duration of the train's operation.

[0019] Optionally, determining whether the air compressor needs to undergo an anti-oil emulsification control process based on the high humidity workload rate F1 and the actual workload rate F includes:

[0020] When the air compressor is operating in a high humidity environment, if the actual working load rate F is less than the high humidity working load rate F1, the air compressor will carry out the oil emulsification control process.

[0021] If the actual working load rate F is greater than or equal to the high humidity working load rate F1, the air compressor will not perform the oil emulsification control process and will switch to the normal working mode of the air compressor.

[0022] The high humidity working load rate F1 is the necessary working load rate for the air compressor lubricating oil to not emulsify under high humidity environmental conditions.

[0023] Optionally, determining whether the air compressor needs to undergo an anti-oil emulsification control process based on the low humidity operating load rate F2 and the actual operating load rate F includes:

[0024] When the air compressor is operating in a low humidity environment, if the actual working load rate F is less than the low humidity working load rate F2, the air compressor will carry out the oil emulsification control process.

[0025] If the actual working load rate F is greater than or equal to the low humidity working load rate F2, the air compressor will not perform the oil emulsification control process and will switch to the normal working mode of the air compressor.

[0026] The low humidity working load rate F2 is the necessary working load rate for the air compressor lubricating oil to not emulsify under low humidity environmental conditions.

[0027] Optionally, the air compressor performs an oil emulsification control process, including:

[0028] The control module receives the total train air pressure P, which is detected in real time by the data acquisition module;

[0029] Obtain the maximum wind pressure P required for normal train operation max ;

[0030] When the total wind pressure P of the train is greater than or equal to the maximum wind pressure P during normal train operation max When the solenoid valve in the anti-oil emulsification exhaust branch of the air compressor is turned on, the anti-oil emulsification exhaust branch opens to exhaust;

[0031] When the total wind pressure P of the train is less than the maximum wind pressure P during normal train operation max When this occurs, the solenoid valve in the anti-oil emulsification exhaust branch of the air compressor closes, and the anti-oil emulsification exhaust branch is closed.

[0032] In a second aspect, the present invention provides an intelligent anti-oil emulsification system for air compressors, applied to the intelligent anti-oil emulsification method for air compressors described in the first aspect, characterized in that it includes:

[0033] The data acquisition module is used to detect ambient humidity and train total air pressure P in real time.

[0034] The control module is used to determine whether the air compressor is in a high humidity or low humidity environment, and also to determine whether to perform anti-oil emulsification control on the air compressor based on different operating conditions, and control the air compressor according to the judgment result.

[0035] Optionally, the data acquisition module includes a humidity sensor installed on the train underframe and a wind pressure sensor in the train's main air duct.

[0036] The humidity sensor is used to collect ambient humidity information in real time.

[0037] The wind pressure sensor is used to detect the total wind pressure P of the train in real time.

[0038] Optionally, the control module includes:

[0039] The first judgment unit is used to determine whether the air compressor is in a high humidity environment or a low humidity environment based on the ambient humidity information.

[0040] The calculation unit is used to calculate the actual working load rate F of the air compressor based on the high humidity working load rate F1 and the low humidity working load rate F2.

[0041] The second judgment unit is used to determine whether the air compressor needs to perform an oil emulsification control process when the air compressor is in a high humidity environment, based on the high humidity working load rate and the actual working load rate; it is also used to determine whether the air compressor needs to perform an oil emulsification control process when the air compressor is in a low humidity environment, based on the low humidity working load rate and the actual working load rate.

[0042] The execution unit is used to control the air compressor to enter the anti-oil emulsification control process or normal operation mode based on the judgment result of the second judgment unit.

[0043] Thirdly, the present invention provides a computer storage medium, characterized in that it includes: computer instructions, which, when the computer instructions are running in an intelligent anti-oil emulsification system for an air compressor, cause the intelligent anti-oil emulsification system for an air compressor to perform the intelligent anti-oil emulsification method for an air compressor as described in the first aspect.

[0044] Compared with the prior art, the beneficial effects achieved by the present invention are as follows:

[0045] This invention provides an intelligent anti-oil emulsification method, system, and storage medium for air compressors. It can determine whether the air compressor needs to undergo anti-oil emulsification control by combining the ambient humidity and the actual working load rate of the air compressor, and control the air compressor based on the judgment result. The whole process is fully automated and does not require manual intervention. It prevents the air compressor lubricating oil from emulsifying, reduces daily maintenance work, saves energy, and meets the national requirements for the green and intelligent development of rail transit vehicles. Attached Figure Description

[0046] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly described below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein:

[0047] Figure 1The diagram shown is a flowchart of an intelligent oil-preventing emulsification method for an air compressor according to one embodiment of the present invention.

[0048] Figure 2 The diagram shown is a schematic flowchart of a smart anti-oil emulsification method for air compressors in one embodiment of the present invention.

[0049] Figure 3 The diagram shown is a block diagram of an intelligent anti-oil emulsification system for an air compressor according to one embodiment of the present invention.

[0050] Figure 4 The diagram shown is a schematic diagram of an oil-preventing emulsification exhaust branch in one embodiment of the present invention;

[0051] The components include: 1. Cut-off valve; 2. Solenoid valve; 3. Overflow valve; 4. Throttling valve; 5. Silencer. Detailed Implementation

[0052] The present invention will be further described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and should not be used to limit the scope of protection of the present invention.

[0053] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0054] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0055] The application principle of the present invention will be described in detail below with reference to the accompanying drawings.

[0056] Example 1

[0057] This invention provides an intelligent oil-preventing emulsification method for air compressors, comprising:

[0058] S001. Receive ambient humidity information and use it to determine whether the air compressor is in a high humidity environment or a low humidity environment.

[0059] S002. Obtain the high humidity working load rate F1 and the low humidity working load rate F2, and calculate the actual working load rate F of the air compressor;

[0060] S003. If the air compressor is operating in a high humidity environment, determine whether the air compressor needs to perform an anti-oil emulsification control process based on the high humidity working load rate F1 and the actual working load rate F, and control the air compressor based on the judgment result.

[0061] S004. If the air compressor is operating in a low humidity environment, determine whether the air compressor needs to perform an anti-oil emulsification control process based on the low humidity working load rate F2 and the actual working load rate F, and control the air compressor based on the judgment result.

[0062] Based on the intelligent anti-oil emulsification method for air compressors in this embodiment of the invention, oil emulsification of air compressor lubricating oil can be prevented, while reducing daily maintenance work, saving energy, and meeting the national requirements for the green and intelligent development of rail transit vehicles.

[0063] Example 2

[0064] In one specific embodiment of the present invention, such as Figures 1-2 As shown, a smart anti-oil emulsification method for air compressors includes the following specific steps:

[0065] S1. The intelligent anti-oil emulsification system (control module) of the air compressor receives signal A and sets it to 1, and starts the anti-oil emulsification preparation; the signal A is sent to the intelligent anti-oil emulsification system of the air compressor 1 to 1.5 hours before the train goes off the line and returns to the depot;

[0066] The oil-resistant emulsification preparation includes:

[0067] S11. During the train's operation, the control module records and accumulates the air compressor's working time T1 and the total duration of the train's operation in real time, T2.

[0068] S12. The control module calculates the actual working load rate F of the air compressor using the following formula:

[0069]

[0070] S2. Air compressor operating condition judgment;

[0071] Determining whether the air compressor is in a working condition of a high-humidity environment or a low-humidity environment specifically comprises:

[0072] Acquiring a humidity threshold S0; said humidity threshold S0 is adjusted according to actual situations, and in this embodiment, the humidity threshold S0=70%;

[0073] Comparing the ambient humidity information S detected by the data acquisition module with the humidity threshold S0, and determining whether the air compressor is in a working condition of a high-humidity environment or a low-humidity environment;

[0074] When the ambient humidity information S is greater than or equal to the humidity threshold S0, that is, S≥S0, the air compressor is in a working condition of a high-humidity environment;

[0075] When the ambient humidity information S is less than the humidity threshold S0, that is, S<S0, the air compressor is in a working condition of a low-humidity environment.

[0076] S3, executing different control modes according to different environmental working conditions;

[0077] S31, if the air compressor is in a working condition of a high-humidity environment, determining whether the air compressor needs to perform an anti-oil emulsification control process according to a high-humidity working load rate F1 and an actual working load rate F, and controlling the air compressor based on the determination result;

[0078] Said determining whether the air compressor needs to perform an anti-oil emulsification control process according to the high-humidity working load rate F1 and the actual working load rate F comprises:

[0079] When the air compressor is in a working condition of a high-humidity environment, if the actual working load rate F is less than the high-humidity working load rate F1, that is, F<F1, the air compressor performs the anti-oil emulsification control process; if the actual working load rate F is greater than or equal to the high-humidity working load rate F1, that is, F≥F1, the air compressor does not perform the anti-oil emulsification control process and switches to the normal working mode of the air compressor; said high-humidity working load rate F1 is adjusted according to actual situations, and in this embodiment, F1=35%.

[0080] Specifically: when the ambient humidity information S≥70% and the actual working load rate F of the air compressor is <35%, the control module controls the air compressor to enter the anti-oil emulsification control process, the air compressor will continue to operate until F≥35%, then the air compressor exits the anti-oil emulsification control process and switches to the normal working mode, and controls the start and stop of the air compressor according to the total air pressure; when the ambient humidity information S≥70% and the actual working load rate F of the air compressor is ≥35%, the air compressor continues the normal working mode and does not perform the anti-oil emulsification control process.

[0081] S32, if the air compressor is working under a low-humidity environment working condition, determine whether the air compressor needs to enter the anti-oil emulsification control process according to the low-humidity working load rate F2 and the actual working load rate F, and control the air compressor based on the determination result.

[0082] The step of determining whether the air compressor needs to enter the anti-oil emulsification control process according to the high-humidity working load rate F1 and the actual working load rate F comprises:

[0083] under the working condition that the air compressor is in a low-humidity environment, if the actual working load rate F is less than the low-humidity working load rate F2, that is, F<F2, the air compressor enters the anti-oil emulsification control process; if the actual working load rate F is greater than or equal to the low-humidity working load rate F2, that is, F≥F2, the air compressor does not enter the anti-oil emulsification control process, and switches to the normal working mode of the air compressor; the low-humidity working load rate F2 is adjusted according to actual conditions, and in this embodiment, F2=30%.

[0084] specifically: when the ambient humidity information S<70% and the actual working load rate F of the air compressor is F<30%, the control module controls the air compressor to enter the anti-oil emulsification control process, and the air compressor will continue to operate until F≥30%, then the air compressor exits the anti-oil emulsification control process and switches to the normal working mode, controlling the start and stop of the air compressor according to the total air pressure; when the ambient humidity information S<70% and the actual working load rate F of the air compressor is F≥30%, the air compressor continues to operate in the normal working mode and does not perform the anti-oil emulsification control process.

[0085] wherein, the high-humidity working load rate F1 is the necessary working load rate for the lubricating oil of the air compressor not to be emulsified under high-humidity environment conditions; the low-humidity working load rate F2 is the necessary working load rate for the lubricating oil of the air compressor not to be emulsified under low-humidity environment conditions.

[0086] the present invention takes into account the air quality of the surrounding environment (ambient humidity information S) and the daily actual working load rate F of the air compressor. If the external ambient air humidity is high (working condition of high-humidity environment), the requirement for the actual working load rate of the air compressor is higher (based on the high-humidity working load rate F1); if the external ambient air is relatively dry (working condition of low-humidity environment) and the working condition is better, the actual working load rate of the air compressor can be appropriately reduced (based on the low-humidity working load rate F2), which can not only prevent the emulsification of the lubricating oil of the air compressor, but also achieve the purpose of energy saving.

[0087] in a specific implementation manner of the embodiment of the present invention, such as Figures 2-3 as shown, the anti-oil emulsification control process performed by the air compressor comprises:

[0088] the control module receives the train total air pressure P detected in real time by the data acquisition module;

[0089] Obtain the maximum wind pressure P required for normal train operation max ;

[0090] When the total wind pressure P of the train is greater than or equal to the maximum wind pressure P during normal train operation max When, i.e., P≥P max When the solenoid valve 2 in the anti-oil emulsification exhaust branch of the air compressor is turned on, the anti-oil emulsification exhaust branch opens to exhaust.

[0091] When the total wind pressure P of the train is less than the maximum wind pressure P during normal train operation max At that time, i.e., P <P max When the solenoid valve 2 in the anti-oil emulsification exhaust branch of the air compressor is closed, the anti-oil emulsification exhaust branch is closed.

[0092] Specifically: An oil-emulsification prevention exhaust branch should be installed on the main air intake of the train, as per [reference needed]. Figure 3 Once the air compressor enters the anti-oil emulsification control process, due to the continuous operation and air supply of the air compressor, the total air pressure P of the train will continue to rise and exceed the normal operating maximum value P. max P max The value of P is determined based on the total wind pressure value of the specific project; in this embodiment, P... max The value is 9.0 bar; when P ≥ P max During this process, the control module energizes solenoid valve 2 in the anti-emulsification exhaust branch, opening the exhaust branch and venting excess compressed air from the main duct to the atmosphere. This prevents the total air pressure P of the train from continuously rising, ensuring the pressure remains within the normal system range. Simultaneously, an overflow valve 3 is installed in this air path, opening only when the total air pressure P exceeds 8.7 bar, venting compressed air from the main duct to the atmosphere. The overflow valve 3 works in conjunction with solenoid valve 2 to prevent the risk of unwarranted release of total air pressure due to valve malfunction or misoperation. A throttle valve 4 is installed in the anti-emulsification exhaust branch to regulate the exhaust speed, and a silencer 5 is installed to reduce noise generated by continuous exhaust during the anti-emulsification control process.

[0093] Example 3

[0094] like Figure 4 As shown, this embodiment of the invention provides an intelligent anti-oil emulsification system for air compressors, applied to the intelligent anti-oil emulsification method for air compressors described in Embodiment 1 or Embodiment 2, characterized in that it includes:

[0095] The data acquisition module is used to detect ambient humidity and train total air pressure P in real time.

[0096] The control module is used to determine whether the air compressor is in a high humidity or low humidity environment, and also to determine whether to perform anti-oil emulsification control on the air compressor based on different operating conditions, and control the air compressor according to the judgment result.

[0097] In one specific embodiment of the present invention, the data acquisition module includes a humidity sensor installed on the train underframe and a wind pressure sensor in the train's main airflow path; the humidity sensor is used to collect ambient humidity information in real time; the wind pressure sensor is used to detect the train's total wind pressure P in real time.

[0098] The control module includes:

[0099] The first judgment unit is used to determine whether the air compressor is in a high humidity environment or a low humidity environment based on the ambient humidity information.

[0100] The calculation unit is used to calculate the actual working load rate F of the air compressor based on the high humidity working load rate F1 and the low humidity working load rate F2.

[0101] The second judgment unit is used to determine whether the air compressor needs to perform an oil emulsification control process when the air compressor is in a high humidity environment, based on the high humidity working load rate and the actual working load rate; it is also used to determine whether the air compressor needs to perform an oil emulsification control process when the air compressor is in a low humidity environment, based on the low humidity working load rate and the actual working load rate.

[0102] The execution unit is used to control the air compressor to enter the anti-oil emulsification control process or normal operation mode based on the judgment result of the second judgment unit.

[0103] Example 4

[0104] In this embodiment, the present invention also introduces a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the steps of the method as described in Embodiment 1 or Embodiment 2.

[0105] In this embodiment, the computer-readable storage medium may be the internal storage unit of the terminal, such as the terminal's hard disk or...

[0106] Memory; the computer-readable storage medium in this embodiment can also be an external storage device of the terminal, such as a plug-in hard disk, smart memory card, secure digital card, flash memory card, etc. equipped on the terminal; furthermore, the computer-readable storage medium can include both the internal storage unit of the terminal and the external storage device.

[0107] Those skilled in the art will understand that embodiments of this application can be provided as methods, systems, or computer program products. Therefore, this application can take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, this application can 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, etc.) containing computer-usable program code.

[0108] This application is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of this application. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can 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, generate instructions for implementing the flowchart... Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0109] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0110] These computer program instructions may also be loaded onto a computer or other programmable data processing equipment to cause a series of operational steps to be performed on the computer or other programmable equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0111] The embodiments of the present invention have been described above with reference to the accompanying drawings. However, the present invention is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of the present invention without departing from the spirit and scope of the claims. All of these forms are within the protection scope of the present invention.

Claims

1. An intelligent oil-proof emulsification method for an air compressor, characterized by, include: It receives ambient humidity information and uses this information to determine whether the air compressor is operating in a high-humidity or low-humidity environment. Acquiring high humidity work load rate and low humidity work load rate and calculating air compressor actual work load rate ; If the air compressor is in a high humidity environment, according to the high humidity working load rate and the actual working load rate , it is judged whether the air compressor needs to perform oil emulsification prevention control process, and the air compressor is controlled based on the judgment result; If the air compressor is operating in a low humidity environment, the low humidity workload rate should be considered. and actual workload rate Determine whether the air compressor needs to undergo an anti-oil emulsification control process, and control the air compressor based on the determination result; Among them, high humidity workload The necessary operating load rate to prevent oil emulsification of air compressor lubricating oil under high humidity conditions; low humidity operating load rate. The necessary operating load rate to prevent air compressor lubricating oil from emulsifying under low humidity conditions; .

2. The intelligent oil-preventing emulsification method for air compressors according to claim 1, characterized in that, The method for determining whether the air compressor is operating in a high-humidity or low-humidity environment includes: Obtain the humidity threshold and compare the ambient humidity information detected by the data acquisition module with the humidity threshold; When the ambient humidity is greater than or equal to the humidity threshold, the air compressor is operating in a high humidity environment. When the ambient humidity is less than the humidity threshold, the air compressor operates in a low humidity environment.

3. The intelligent anti-oil emulsification method for air compressors according to claim 1, characterized in that, The steps for calculating the actual working load rate F of the air compressor include: Record the cumulative working time of the air compressor during the train's operation. The total duration of the train's online operation ; Calculate the actual working load rate of the air compressor The formula is: ; in: The accumulated working time of the air compressor. This refers to the total duration of the train's operation.

4. The intelligent oil-preventing emulsification method for air compressors according to claim 1, characterized in that, According to the high humidity workload rate and actual workload rate Determining whether an air compressor needs an oil emulsification control process includes: When the air compressor is operating in a high-humidity environment, if the actual working load rate... Less than high humidity workload Then the air compressor will carry out the oil emulsification control process; If the actual workload rate Greater than or equal to high humidity workload If this happens, the air compressor will not perform the oil emulsification control process and will switch to the normal operating mode of the air compressor. Among them, the high humidity workload rate The necessary operating load rate to prevent oil emulsification of air compressor lubricating oil under high humidity conditions.

5. The intelligent oil-preventing emulsification method for air compressors according to claim 1, characterized in that, Based on low humidity workload and actual workload rate Determining whether an air compressor needs an oil emulsification control process includes: When the air compressor is operating in a low-humidity environment, if the actual working load rate... Less than low humidity workload Then the air compressor will carry out the oil emulsification control process; If the actual workload rate Greater than or equal to low humidity duty cycle If this happens, the air compressor will not perform the oil emulsification control process and will switch to the normal operating mode of the air compressor. Among them, the low humidity workload rate The necessary operating load rate to prevent oil emulsification of air compressor lubricating oil under low humidity conditions.

6. The intelligent oil-preventing emulsification method for air compressors according to claim 1, characterized in that, The air compressor performs an oil emulsification control process, including: The control module receives the total air pressure of the train from the data acquisition module in real time. ; Obtain the maximum wind pressure during normal train operation ; When the total wind pressure of the train Greater than or equal to the maximum wind pressure during normal train operation When the solenoid valve in the anti-oil emulsification exhaust branch of the air compressor is turned on, the anti-oil emulsification exhaust branch opens to exhaust; When the total wind pressure of the train Less than the maximum wind pressure required for normal train operation When this occurs, the solenoid valve in the anti-oil emulsification exhaust branch of the air compressor closes, and the anti-oil emulsification exhaust branch is closed.

7. An intelligent anti-oil emulsification system for an air compressor, applied to the intelligent anti-oil emulsification method for an air compressor as described in any one of claims 1-6, characterized in that, include: The data acquisition module is used to detect ambient humidity and total train wind pressure in real time. ; The control module is used to determine whether the air compressor is in a high humidity or low humidity environment, and also to determine whether to perform anti-oil emulsification control on the air compressor based on different operating conditions, and control the air compressor according to the judgment result.

8. The intelligent anti-oil emulsification system for air compressors according to claim 7, characterized in that, The data acquisition module includes a humidity sensor installed on the train underframe and a wind pressure sensor in the train's main air duct. The humidity sensor is used to collect ambient humidity information in real time. The wind pressure sensor is used to detect the total wind pressure of the train in real time. .

9. The intelligent anti-oil emulsification system for air compressors according to claim 7, characterized in that, The control module includes: The first judgment unit is used to determine whether the air compressor is in a high humidity environment or a low humidity environment based on the ambient humidity information. The calculation unit is used to calculate based on high humidity workload rates. and low humidity workload Calculate the actual working load rate of the air compressor. ; The second judgment unit is used to determine whether the air compressor needs to perform an oil emulsification control process when the air compressor is in a high humidity environment, based on the high humidity working load rate and the actual working load rate; it is also used to determine whether the air compressor needs to perform an oil emulsification control process when the air compressor is in a low humidity environment, based on the low humidity working load rate and the actual working load rate. The execution unit is used to control the air compressor to enter the anti-oil emulsification control process or normal operation mode based on the judgment result of the second judgment unit.

10. A computer storage medium, characterized in that, include: A computer instruction, when the computer instruction is running in the intelligent anti-oil emulsification system for air compressors, causes the intelligent anti-oil emulsification system for air compressors to perform the intelligent anti-oil emulsification method for air compressors as described in any one of claims 1-6.

Citation Information

Patent Citations

  • Oil emulsification prevention control method for gas compressor of urban rail vehicle

    CN120969147A