CN212646558U - Oil moisture monitoring device - Google Patents
Oil moisture monitoring device Download PDFInfo
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- CN212646558U CN212646558U CN202021744214.7U CN202021744214U CN212646558U CN 212646558 U CN212646558 U CN 212646558U CN 202021744214 U CN202021744214 U CN 202021744214U CN 212646558 U CN212646558 U CN 212646558U
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Abstract
The embodiment of the application provides an oil moisture monitoring device, relates to hydraulic turbine technical field. 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.
Description
Technical Field
The application relates to the technical field of water turbines, in particular to an oil and water monitoring device.
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.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the application is to provide an oil moisture monitoring device, can real-time supervision fluid in the hydraulic turbine unit oil groove, solve current method accuracy lower, can't realize the problem of the real-time supervision of fluid.
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; and when the water content exceeds a preset water content alarm value, alarming.
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 alarm switch includes:
and the alarm processor is used for periodically receiving oil data sent by the 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 alarm processor is used for processing the obtained oil data in real time, and analyzing and processing the oil data so as to obtain the moisture content in the oil and the use state of the oil in real time.
And the alarm generator is arranged on the shell and used for receiving the alarm signal sent by the alarm processor and giving an alarm through an alarm action.
In the implementation process, the alarm is given through sound or light and the like according to the received alarm signal so as to attract attention.
Further, the alarm generator includes an alarm indication lamp or an alarm sound generator.
In the implementation process, a light or sound alarm can be given through an alarm indicator light or an alarm sound generator.
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.
Furthermore, a Glan head is arranged on the shell, and the alarm processor is connected with an external circuit through the Glan head.
In the implementation process, the Glan head is used as a waterproof sealing joint of the cable, so that the alarm processor is connected with an external circuit.
Furthermore, the alarm indicator light is a double-color alarm indicator light, is arranged on the shell and is electrically connected with the alarm processor.
In the above process, an alarm is given by a two-color alarm indicating lamp to attract attention.
Further, an end cover is arranged at one end, far away from the sensor probe, of the shell and used for sealing the alarm processor.
In the implementation process, the shell is sealed through the end cover, and the protection effect on the alarm processor is achieved.
Additional features and advantages of the disclosure will be set forth in the description which follows, or in part may be learned by the practice of the above-described techniques of the disclosure, or may be learned by practice of the disclosure.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
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 clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or a point connection; either directly or indirectly through intervening media, or may be an internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.
Example 1
Referring to fig. 1, fig. 1 is a schematic structural diagram of an oil 14 moisture monitoring device according to an embodiment of the present disclosure. The moisture monitor is disposed on the water turbine unit oil sump for real-time monitoring of the oil 14 in the water turbine unit oil sump 10.
The outer side of the hydraulic turbine unit oil groove 10 is provided with a mounting surface 11, the moisture monitor is arranged on the moisture unit oil groove through the mounting surface 11, and a testing end of the moisture monitor penetrates through the oil groove wall to stretch into the moisture unit oil groove and directly contact with oil 14 in the moisture unit oil groove, so that the moisture content in the oil 14 and the use state of the oil 14 can be regularly monitored.
Specifically, as shown in fig. 2, a schematic diagram of a structure of the moisture monitor is shown. The moisture monitor comprises a shell 18, a sensor probe 13 and an alarm switch 12, wherein the sensor probe 13 is arranged at the testing end of the moisture monitor, is detachably connected with the shell 18 and is used for detecting oil 14 to obtain oil data; the alarm switch 12 is arranged in the shell 18 and is connected with the sensor probe 13 through a circuit, and is used for receiving and processing oil data and judging whether to alarm or not.
Illustratively, the sensor probe 13 includes a humidity-sensitive capacitor, a temperature sensor and a probe processor, both the humidity-sensitive capacitor and the temperature sensor are electrically connected to the probe processor, wherein the humidity-sensitive capacitor adopts a polymer humidity-sensitive capacitor as a sensing element for monitoring trace moisture in the oil 14, water molecules dissolved in the oil ionize a polymer humidity-sensitive film of the humidity-sensitive capacitor, the higher the water molecule concentration is, the higher the ionization degree of the polymer humidity-sensitive film is, the higher the dielectric constant is, the higher the capacitance value is, therefore, the capacitance value of the humidity-sensitive capacitor is positively correlated with the concentration of water dissolved in the oil, i.e., the water activity of the oil, and the higher the concentration is, the larger the capacitance value of the humidity-sensitive. Therefore, the dissolved water concentration in the oil liquid 14 can be detected by the change in capacitance value.
The temperature sensor is used for detecting the oil temperature, the oil temperature can reflect the use state of the oil 14 at the current moment, and in addition, the change of the oil temperature can also influence the water activity of the oil, so that the micro-water content value in the oil 14 in the hydraulic turbine unit oil tank 10 at different temperatures can be obtained by establishing a mathematical model between the water activity of the oil, the humidity sensitive capacitance value and the oil temperature, and the purpose of detecting and monitoring the water content of the oil 14 in the hydraulic turbine unit oil tank 10 is achieved.
And the probe processor is electrically connected with the humidity-sensitive capacitor and is used for acquiring oil data detected by the humidity-sensitive capacitor, preprocessing the oil data and transmitting the preprocessed oil data to the alarm switch 12.
The sensor probe 13 is provided with quick installation screw thread 16 with the link of the casing 18 of moisture monitor, uses with screwing up flange 17 cooperation, realizes sensor probe 13's removable connection to it is sealed through sealing washer 15, be convenient for dismantle and maintain sensor probe 13.
The alarm switch 12 comprises an alarm processor which is arranged in the shell 18 and sealed by an end cover 21, and plays a role in preventing water and protecting the alarm processor; the alarm indicator lamp is arranged on the shell 18 and is electrically connected with the alarm processor, and the alarm indicator lamp can adopt a bicolor alarm indicator lamp 20 and is used for giving an alarm such as flashing alarm when the water content in the water turbine unit oil tank 10 exceeds the standard or is abnormal; and a cable interface Glan head 19 is also arranged on the shell 18 to realize the connection between the alarm processor and an external circuit.
Specifically, a pre-established relation curve between the water activity, the temperature and the water content of the oil is arranged in the alarm processor, and the received oil data is compared through the relation curve between the water activity, the temperature and the water content of the oil 14 at the current time and the water content at the current temperature are obtained; when the water content exceeds a preset water alarm value, an alarm is given, an instruction is issued through the serial port to set the water alarm value in the oil tank, the micro water content value in the oil 14 detected by the sensor probe 13 can be obtained in real time, and when the water content in the oil tank 10 of the hydraulic turbine set exceeds the standard or is abnormal, a flashing alarm such as an alarm can be given out, so that the field alarm purpose is achieved.
Example 2
The embodiment of the application provides an oil moisture monitoring method, which is applied to an alarm processor in embodiment 1, and as shown in fig. 3, is a flow chart of the oil moisture monitoring method, and the method specifically includes the following steps:
step S100: periodically receiving oil data sent by the sensor probe 13;
step S200: the moisture content of the oil 14 and the usage status of the oil 14 are monitored based on the oil data.
The sensor probe 13 is used for detecting the oil 14 in the hydraulic turbine unit oil tank 10 regularly, so that the moisture content in the oil 14 and the use state of the oil 14 are known in real time, and the purpose of monitoring the oil 14 in the hydraulic turbine unit oil tank 10 in real time is achieved.
As shown in fig. 4, which is a flowchart for monitoring the moisture content of the oil 14 and the usage state of the oil 14 based on the oil data, the specific process of step S200 includes:
step S201: 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 14 at the current time;
step S202: judging whether the water content exceeds a preset water alarm value or not;
step S203: and if the water content exceeds a preset water content alarm value, alarming.
As shown in fig. 5, in order to form a flow chart of the process of establishing the relationship curve between the water activity, the temperature and the water content of the oil, 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:
step S210: the method comprises the steps of calibrating the performance of oil 14 in an oil groove 10 of the currently used hydraulic turbine set to obtain water data of the oil 14;
because different oil products have different basic properties, performance calibration is performed on different types of oil liquids 14 through an experimental method, and data related to the moisture of the oil liquid 14, namely the data related to the moisture of the oil liquid 14, can be obtained.
Step S220: and establishing a relation curve between the water activity, the temperature and the water content of the oil according to the water data of the oil 14.
Establishing a relation curve between the water activity, the temperature and the water content of the oil by using the water data of the oil 14, wherein the relation curve is a three-dimensional model related to the humidity-sensitive capacitor, the temperature and the water content; by utilizing the relation between the water content in the oil liquid 14 and the temperature, the water content in the oil liquid 14 can be accurately detected, and the real-time monitoring of the water content in the oil liquid 14 and the use state of the oil liquid 14 is realized.
Example 3
The embodiment of the application provides an oil moisture monitoring devices, is applied to the warning treater among embodiment 2, as shown in fig. 6, for oil moisture monitoring devices's block diagram, the device includes:
the data receiving module 100 is used for periodically receiving oil data sent by the sensor probe 13;
a monitoring module 200 for monitoring the moisture content of the oil 14 and the usage status of the oil 14 based on the oil data.
As shown in fig. 7, which is a specific structural block diagram of the oil 14 moisture monitoring device, the monitoring module 200 specifically includes:
the comparison module 201 is configured to compare the oil data with a pre-established relationship curve between water activity, temperature and water content of the oil, so as to obtain a current temperature and a current water content of the oil 14 at the current time;
the judging module 202 is used for judging whether the water content exceeds a preset water alarm value or not;
and the alarm module 203 is used for giving an alarm if the water content exceeds a preset water alarm value.
The device also includes:
the calibration module 210 is configured to perform performance calibration on the oil 14 in the currently used hydraulic turbine unit oil tank 10 to obtain moisture data of the oil 14;
and the model establishing module 220 is used for establishing a relation curve between the water activity, the temperature and the water content of the oil according to the water data of the oil 14.
The device can monitor the oil 14 in the hydraulic turbine unit oil groove 10 in real time, and solves the problems that the accuracy of the existing method is low and the real-time monitoring of the oil 14 cannot be realized.
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 the method for monitoring moisture in the oil 14 in embodiment 1.
The embodiment of the present application further provides a readable storage medium, in which computer program instructions are stored, and when the computer program instructions are read and executed by a processor, the method for monitoring the moisture content of the oil 14 in embodiment 1 is executed.
In all embodiments of the present application, the terms "large" and "small" are relatively speaking, and the terms "upper" and "lower" are relatively speaking, so that descriptions of these relative terms are not repeated herein.
It should be appreciated that reference throughout this specification to "in this embodiment," "in an embodiment of the present application," or "as an alternative implementation" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in this embodiment," "in the examples of the present application," or "as an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Those skilled in the art should also appreciate that the embodiments described in this specification are all alternative embodiments and that the acts and modules involved are not necessarily required for this application.
In various embodiments of the present application, it should be understood that the size of the serial number of each process described above does not mean that the execution sequence is necessarily sequential, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
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:
and the alarm processor is used for periodically receiving oil data sent by the sensor probe and monitoring the moisture content in the oil and the service state of the oil based on the oil data.
5. The oil moisture monitoring device of claim 4, wherein:
and the alarm generator is arranged on the shell and used for receiving the alarm signal sent by the alarm processor and giving an alarm through an alarm action.
6. The oil moisture monitoring device of claim 5 wherein the alarm generator comprises an alarm indicator light or an alarm sound generator.
7. The oil moisture monitoring device of claim 6, wherein:
the alarm indicator lamp is a double-color alarm indicator lamp, is arranged on the shell and is electrically connected with the alarm processor.
8. The oil moisture monitoring device of claim 4, wherein:
the shell is provided with a Glan head, and the alarm processor is connected with an external circuit through the Glan head.
9. 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.
10. The oil moisture monitoring device of claim 4, wherein:
and an end cover is arranged at one end of the shell, which is far away from the sensor probe, and is used for sealing the alarm processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021744214.7U CN212646558U (en) | 2020-08-19 | 2020-08-19 | Oil moisture monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021744214.7U CN212646558U (en) | 2020-08-19 | 2020-08-19 | Oil moisture monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN212646558U true CN212646558U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021744214.7U Active CN212646558U (en) | 2020-08-19 | 2020-08-19 | Oil moisture monitoring device |
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| CN (1) | CN212646558U (en) |
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