阅读说明：本技术 一种油液水分监测装置、方法、电子设备及存储介质 (Oil water monitoring device and method, electronic equipment and storage medium ) 是由 柳艳红 张娜 黄译锋 肖畅 贺石中 冯伟 陶辉 李秋秋 邢龙辉 施易满 于 2020-08-19 设计创作，主要内容包括：本申请实施例提供一种油液水分监测装置、方法、电子设备及存储介质,涉及水轮机技术领域。该装置包括：水轮机组油槽；水分监测器,设置在所述水轮机组油槽上,其测试端设置在所述水轮机组油槽内且与油液接触,用于定期监测所述油液中的水分含量和所述油液的使用状态；能够实时监测水轮机组油槽中的油液,解决现有的方法准确性较低,无法实现油液的实时监测的问题。(The embodiment of the application provides an oil water monitoring device and method, electronic equipment and a storage medium, and relates to the technical field of water turbines. The device includes: a hydro-turbine unit oil sump; the water monitor is arranged on the hydraulic turbine unit oil tank, and the testing end of the water monitor is arranged in the hydraulic turbine unit oil tank and is in contact with oil liquid and used for periodically monitoring the water content of the oil liquid and the use state of the oil liquid; the method can monitor the oil in the oil tank of the hydraulic turbine unit in real time, and solves the problems that the existing method is low in accuracy and cannot monitor the oil in real time.)

1. An oil moisture monitoring device, the device comprising:

a hydro-turbine unit oil sump;

the water monitor is arranged on the hydraulic turbine unit oil groove, and the testing end of the water monitor is arranged in the hydraulic turbine unit oil groove and is in contact with oil liquid, so that the water content in the oil liquid and the service state of the oil liquid can be regularly monitored.

2. The oil moisture monitoring device of claim 1, wherein the moisture monitor comprises:

a housing;

the sensor probe is arranged at the testing end of the moisture monitor, is detachably connected with the shell and is used for detecting the oil to obtain oil data;

and the alarm switch is arranged in the shell, is electrically connected with the sensor probe and is used for receiving and processing the oil data and judging whether to alarm or not.

3. The oil moisture monitoring device of claim 2, wherein: the sensor probe includes:

the humidity sensitive capacitor is used for detecting the concentration of the dissolved water in the oil liquid through the change of the capacitance value;

a temperature sensor for detecting an oil temperature;

and the probe processor is electrically connected with the humidity-sensitive capacitor and the temperature sensor and is used for acquiring oil data detected by the humidity-sensitive capacitor and the temperature sensor and transmitting the oil data to the alarm switch.

4. The oil moisture monitoring device of claim 2, wherein the alarm switch comprises:

the alarm processor is used for comparing the received oil liquid data through a pre-established relation curve between the water activity, the temperature and the water content of the oil liquid so as to obtain the current temperature of the oil liquid and the water content of the oil liquid at the current temperature; when the water content exceeds a preset water content alarm value, alarming;

and the alarm indicator lamp is used for receiving the alarm signal sent by the alarm processor and giving an alarm through a flashing action.

5. The oil moisture monitoring device of claim 2, wherein:

the sensor probe is connected with the shell through a flange, and the sensor probe is connected with the flange through threads and sealed through a sealing ring.

6. An oil water monitoring method, which is applied to the alarm processor of claim 4, and comprises the following steps:

periodically receiving oil data sent by a sensor probe;

and monitoring the moisture content in the oil and the service state of the oil based on the oil data.

7. The oil moisture monitoring method of claim 6, wherein the monitoring of the moisture content of the oil and the usage status of the oil based on the oil data comprises:

comparing the oil data with a pre-established relation curve between the water activity, the temperature and the water content of the oil to obtain the current temperature and the water content of the oil at the current temperature;

judging whether the water content exceeds a preset water alarm value or not;

if yes, alarming.

8. The oil moisture monitoring method of claim 7, wherein prior to the step of comparing the oil data with the pre-established oil water activity-temperature-water content relationship, the method further comprises:

performing performance calibration on oil in an oil groove of a currently used hydraulic turbine set to obtain oil-water data;

and establishing a relation curve between the water activity, the temperature and the water content of the oil liquid according to the oil liquid water data.

9. An electronic device, characterized in that the electronic device comprises a memory for storing a computer program and a processor for executing the computer program to make the computer device execute the oil moisture monitoring method according to any one of claims 6 to 8.

10. A readable storage medium having stored thereon computer program instructions which, when read and executed by a processor, perform the method of oil moisture monitoring of any one of claims 6 to 8.

Technical Field

The application relates to the technical field of water turbines, in particular to an oil and water monitoring device, method, electronic equipment and storage medium.

Background

When the water content in the lubricating oil in the oil groove of the hydraulic turbine is excessive, water vapor is formed when water is contacted with metal parts with the temperature higher than 100 ℃, a lubricating oil film is damaged, and the performance of the lubricating oil is influenced; when the water content in the lubricating oil is too high, the performance of the lubricating oil is influenced, parts are corroded, the parts are damaged, and the service life of the parts is influenced.

The existing oil monitoring equipment is relatively complex to operate and cannot realize real-time monitoring of oil.

Disclosure of Invention

An object of the embodiment of the application is to provide an oil moisture monitoring device, an oil moisture monitoring method, electronic equipment and a storage medium, which can monitor oil in an oil groove of a hydraulic turbine unit in real time and solve the problems that the existing method is low in accuracy and cannot monitor the oil in real time.

The embodiment of the application provides an oil moisture monitoring devices, the device includes:

a hydro-turbine unit oil sump;

the water monitor is arranged on the hydraulic turbine unit oil groove, and the testing end of the water monitor is arranged in the hydraulic turbine unit oil groove and is in contact with oil liquid, so that the water content in the oil liquid and the service state of the oil liquid can be regularly monitored.

In the implementation process, the water monitor is arranged on the hydraulic turbine unit oil tank and is in direct contact with oil in the hydraulic turbine unit oil tank, so that the water content in the oil can be monitored in real time and the use state of the oil can be reflected.

Further, the moisture monitor comprises:

a housing;

the sensor probe is arranged at the testing end of the moisture monitor, is detachably connected with the shell and is used for detecting the oil to obtain oil data;

and the alarm switch is arranged in the shell, is electrically connected with the sensor probe and is used for receiving and processing the oil data and judging whether to alarm or not.

In the implementation process, the sensor probe is used for periodically detecting the oil to acquire oil data reflecting the moisture content and the use state of the oil, so that the alarm switch acquires the moisture content and the use state of the oil by using the oil data.

Further, the sensor probe comprises:

the humidity sensitive capacitor is used for detecting the concentration of the dissolved water in the oil liquid through the change of the capacitance value;

a temperature sensor for detecting an oil temperature;

and the probe processor is electrically connected with the humidity-sensitive capacitor and the temperature sensor and is used for acquiring oil data detected by the humidity-sensitive capacitor and the temperature sensor and transmitting the oil data to the alarm switch.

In the implementation process, the macromolecule humidity-sensitive capacitor is used as a sensitive element for monitoring trace moisture in the oil, and the capacitance value of the humidity-sensitive capacitor is positively correlated with the concentration (water activity) of dissolved water in the oil, so that the change of the moisture content in the oil can be accurately detected; and detecting the oil temperature by using a temperature sensor so as to reflect the change of the moisture content in the oil and the use state of the oil according to the change of the oil temperature.

Further, the alarm switch includes:

the alarm processor is used for comparing the received oil liquid data through a pre-established relation curve between the water activity, the temperature and the water content of the oil liquid so as to obtain the current temperature of the oil liquid and the water content of the oil liquid at the current temperature; when the water content exceeds a preset water content alarm value, alarming;

and the alarm indicator lamp is used for receiving the alarm signal sent by the alarm processor and giving an alarm through a flashing action.

In the implementation process, the water content at the current temperature can be accurately measured through a pre-established relation curve between the water activity, the temperature and the water content of the oil liquid, and whether the water content exceeds a water alarm value can be accurately judged so as to alarm in time and realize real-time monitoring of the water content of the oil liquid.

Further, the sensor probe is connected with the shell through a flange, and the sensor probe is connected with the flange in a threaded mode and sealed through a sealing ring.

In the implementation process, the sensor probe and the shell are detachably connected through the flange and the threads, so that the sensor probe is convenient to mount and dismount and is favorable for maintaining the sensor probe.

The embodiment of the application also provides an oil water monitoring method, which is applied to the alarm processor, and the method comprises the following steps:

periodically receiving oil data sent by a sensor probe;

and monitoring the moisture content in the oil and the service state of the oil based on the oil data.

In the implementation process, the sensor probe is used for periodically detecting the oil in the hydraulic turbine unit oil tank, so that the moisture content in the oil and the use state of the oil are known in real time, and the purpose of monitoring the oil in the hydraulic turbine unit oil tank in real time is achieved.

Further, the monitoring of the moisture content of the oil and the usage state of the oil based on the oil data includes:

comparing the oil data with a pre-established relation curve between the water activity, the temperature and the water content of the oil to obtain the current temperature and the water content of the oil at the current temperature;

judging whether the water content exceeds a preset water alarm value or not;

if yes, alarming.

In the implementation process, the moisture content of the oil at different temperatures is obtained by utilizing a pre-established relation curve between the water activity, the temperature and the water content of the oil, so that the aim of detecting and monitoring the moisture of the oil in the oil groove of the hydraulic turbine set is fulfilled.

Further, before the step of comparing the oil data with the pre-established relationship curve between the water activity, the temperature and the water content of the oil, the method further comprises the following steps:

performing performance calibration on oil in an oil groove of a currently used hydraulic turbine set to obtain oil-water data;

and establishing a relation curve between the water activity, the temperature and the water content of the oil liquid according to the oil liquid water data.

In the implementation process, because different oil products have different basic properties, performance calibration is carried out according to the performance of the oil liquids of different types, so that the established relation curve between the water activity, the temperature and the water content of the oil liquid is more reasonable, and the detection result is more accurate.

An embodiment of the present application further provides an electronic device, where the electronic device includes a memory and a processor, the memory is used to store a computer program, and the processor runs the computer program to make the computer device execute any one of the above oil moisture monitoring methods.

The embodiment of the application also provides a readable storage medium, wherein computer program instructions are stored in the readable storage medium, and when the computer program instructions are read and executed by a processor, the method for monitoring the oil moisture is implemented.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an oil moisture monitoring device according to an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of a moisture monitor provided in an embodiment of the present application;

FIG. 3 is a flow chart of a method for monitoring oil moisture according to an embodiment of the present disclosure;

FIG. 4 is a flow chart of monitoring the moisture content of the oil and the usage status of the oil based on the oil data according to an embodiment of the present disclosure;

FIG. 5 is a flow chart of a process for establishing a relationship between oil water activity-temperature-water content provided by an embodiment of the present application;

fig. 6 is a block diagram illustrating a structure of an oil moisture monitoring device according to an embodiment of the present disclosure;

fig. 7 is a specific structural block diagram of an oil moisture monitoring device according to an embodiment of the present application.

Icon:

10-a hydro-turbine unit oil sump; 11-a mounting surface; 12-an alarm switch; 13-a sensor probe; 14-oil liquid; 15-sealing ring; 16-quick mounting screw threads; 17-tightening the flange; 18-a housing; 19-cable interface glan head; 20-two color alarm indicator light; 21-end cap; 100-a data receiving module; 200-a monitoring module; 201-alignment module; 202-a judging module; 203-an alarm module; 210-a calibration module; 220-model building module.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.