CN220508355U - Pipeline leakage monitoring device of water cooling system of wind turbine generator - Google Patents

Pipeline leakage monitoring device of water cooling system of wind turbine generator Download PDF

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Publication number
CN220508355U
CN220508355U CN202321108994.XU CN202321108994U CN220508355U CN 220508355 U CN220508355 U CN 220508355U CN 202321108994 U CN202321108994 U CN 202321108994U CN 220508355 U CN220508355 U CN 220508355U
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Prior art keywords
conductive layer
pressure sensor
pipeline
insulating layer
cooling system
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CN202321108994.XU
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Chinese (zh)
Inventor
杨富清
罗树
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Huaneng Guangxi Clean Energy Co ltd
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Huaneng Guangxi Clean Energy Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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Abstract

The utility model relates to a pipeline leakage monitoring device of a water cooling system of a wind turbine, which comprises a leakage detection device, an alarm device, a control device and a pressure sensor; the pressure sensor and the alarm device are connected with the control device through signals; the leakage detection device comprises a leakage detection belt and a detection circuit, wherein the leakage detection belt is wound on the outer surface of the pipeline and comprises a first insulating layer, a first conductive layer, a second insulating layer, a second conductive layer and a third insulating layer; the detection circuit comprises a 12V battery and an ammeter; the 12V battery, the first conducting layer, the second conducting layer and the ammeter form a loop; compared with the prior art, the utility model has the beneficial effects that: and the leakage is measured in time through the arranged leakage detection belt.

Description

Pipeline leakage monitoring device of water cooling system of wind turbine generator
Technical Field
The utility model relates to the technical field of leakage prevention, in particular to a pipeline leakage monitoring device for a water cooling system of a wind turbine generator.
Background
At present, the wind turbine generator adopting the cooling mode for water cooling is widely used, and the normal operation of a water cooling system directly influences the heat dissipation effect of important equipment such as a gear box, a generator and the like in the operation process of the wind turbine generator. The temperature is an important parameter when the electrical and mechanical equipment is operated, and is closely related to the insulation performance and the service life of the equipment, the wind turbine generator belongs to closed electrical equipment, particularly in a severe high-temperature environment, if a water cooling system leaks and cannot normally operate, the wind turbine generator can be stopped due to failure, the existing monitoring device is generally provided with a sensor for detecting the pipeline pressure, if the leakage quantity is small, the monitoring is difficult, and therefore a monitoring device with sensitive response is urgently needed.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a pipeline leakage monitoring device for a water cooling system of a wind turbine generator, which can sensitively monitor leakage conditions and prevent accidents.
In order to solve the technical problems, the utility model provides the following technical scheme:
the leakage monitoring device comprises a leakage detection device arranged on a water cooling system pipeline, an alarm device for alarming leakage of the pipeline, a control device in signal connection with the leakage detection device and a pressure sensor for detecting the pressure in the pipeline; the pressure sensor and the alarm device are connected with the control device through signals.
Further, the leakage detection device comprises a leakage detection belt and a detection circuit, wherein the leakage detection belt is wound on the outer surface of the pipeline, and the detection circuit is in signal connection with the control device.
Further, the seepage detection belt comprises a first insulating layer, a first conductive layer, a second insulating layer, a second conductive layer and a third insulating layer, wherein the first insulating layer is abutted with the pipeline and made of high polymer materials, the first conductive layer is bonded with the first insulating layer, the second insulating layer is bonded with the first conductive layer, the second conductive layer is bonded with the second insulating layer, and the third insulating layer is bonded with the second conductive layer;
further, the first insulating layer, the first conductive layer, the second insulating layer, the second conductive layer and the third insulating layer are all provided with through holes.
Further, the detection circuit comprises a 12V battery and an ammeter; the positive electrode of the 12V battery is electrically connected with the first conductive layer; the negative electrode of the 12V battery is electrically connected with the second conductive layer; the ammeter is electrically connected in a loop formed by the battery, the first conductive layer and the second conductive layer; the ammeter is in signal connection with the control device.
Further, the first conductive layer and the second conductive layer are both tin-plated copper foil materials.
Further, the pressure sensor comprises a first pressure sensor, a second pressure sensor, a third pressure sensor and a fourth pressure sensor which are used for measuring two ends of the pipeline respectively.
Further, the control device comprises a PLC controller; the PLC is respectively connected with the first pressure sensor, the second pressure sensor, the third pressure sensor, the fourth pressure sensor and the ammeter through signals.
Compared with the prior art, the utility model has the beneficial effects that:
when a pipeline of a water cooling system of the wind turbine generator is leaked, an ammeter has an electric current indication, a signal is transmitted to a controller, the controller sends a signal to an alarm device, leakage alarm is sent, related personnel are reminded to timely make corresponding checking and targeted measures such as pipeline leakage stopping and the like, and a large amount of cooling liquid is effectively prevented from being discharged due to leakage of the pipeline, faults are enlarged, the cooling system cannot normally operate, the shutdown time of the wind turbine generator is prolonged, the workload of a maintainer is increased, the loss of electricity is increased and other adverse factors are generated;
the pressure signals are transmitted to the controller through the first pressure sensor, the second pressure sensor, the third pressure sensor and the fourth pressure sensor; the controller is judged and compared, and if the pressure difference at the two ends of the pipeline exceeds a limit value, an alarm is sent out to remind a person to check. This arrangement is more sensitive than the original single sensor.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic illustration of a leak detection strip wrapped around a pipeline;
FIG. 3 is a schematic cross-sectional view of a leak detection strip;
FIG. 4 is a schematic illustration of a leak detection belt;
fig. 5 is a schematic diagram of the operation of the present utility model.
In the accompanying drawings:
1-a pipeline;
2-leakage detection tape, 11-second insulating layer, 12-second conductive layer, 13-third insulating layer, 14-first conductive layer, 15-first insulating layer;
3-first pressure sensor, 6-second pressure sensor, 7-fourth pressure sensor, 8-third pressure sensor;
4-cooling fan, 5-coolant pump.
Detailed Description
It should be noted first that the discussion of any embodiment of the present utility model is exemplary only, and is not intended to imply that the scope of the disclosure (including the claims) is limited to such examples; there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity. Accordingly, other embodiments are within the scope of the following claims.
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Example 1
Please refer to fig. 1-4:
the embodiment provides a leakage monitoring device for a pipeline of a water cooling system of a wind turbine, wherein the water cooling system comprises a cooling liquid pump 5 and a cooling fan 4; the device comprises a leakage detection device, an alarm device, a control device and a pressure sensor, wherein the leakage detection device is arranged on a pipeline 1 of a water cooling system, the alarm device is used for alarming leakage of the pipeline, the control device is connected with the leakage detection device in a signal way, and the pressure sensor is used for detecting the pressure in the pipeline 1; the pressure sensor and the alarm device are connected with the control device through signals.
The leakage detection device comprises a leakage detection belt 2 wound on the outer surface of the pipeline 1 and a detection circuit, and the detection circuit is in signal connection with the control device.
The seepage detection belt 2 comprises a first insulating layer 15 which is abutted against the pipeline 1 and made of a high polymer material, a first conductive layer 14 bonded with the first insulating layer 15, a second insulating layer 11 bonded with the first conductive layer 14, a second conductive layer 12 bonded with the second insulating layer 11 and a third insulating layer 13 bonded with the second conductive layer 12;
the first insulating layer 15, the first conductive layer 14, the second insulating layer 11, the second conductive layer 12, and the third insulating layer 13 are all provided with through holes.
The detection circuit comprises a 12V battery and an ammeter; the positive electrode of the 12V cell is electrically connected to the first conductive layer 14; the negative electrode of the 12V battery is electrically connected with the second conductive layer 12; the ammeter is electrically connected in a loop formed by the battery, the first conductive layer 14 and the second conductive layer 12; the ammeter is in signal connection with the control device.
The first conductive layer 14 and the second conductive layer 12 are both tin-plated copper foil materials.
The control device comprises a PLC controller; the PLC is in signal connection with the ammeter.
In the course of the operation of the present utility model,
when leakage occurs, liquid flows into the first conductive layer 14 through the through hole of the first insulating layer 15, flows through the second insulating layer 11 through the through hole of the first conductive layer 14 and finally flows into the second conductive layer 12, so that the first conductive layer 14 and the second conductive layer 12 form a loop with a power supply, the ammeter can send a signal to the controller, the controller sends a signal to the alarm device, and a person is reminded to check the leakage condition of the cooling pipeline 1.
Example 2
This embodiment is substantially the same as embodiment 1;
the difference is that,
as shown in figure 1 of the drawings,
and the pressure sensors comprise a first pressure sensor 3, a second pressure sensor 6, a third pressure sensor 8 and a fourth pressure sensor 7 which are used for measuring the pressure at two ends of the pipeline 1.
The PLC is respectively connected with the first pressure sensor 3, the second pressure sensor 6, the third pressure sensor 8, the fourth pressure sensor 7 and the ammeter in a signal manner;
the pressure difference between two ends of the pipeline 1 is measured, and the pressure difference is two groups, wherein one group is the difference value between the first pressure sensor 3 and the second pressure sensor 6; one set is the difference between the third pressure sensor 8 and the fourth pressure sensor 7; setting a standard threshold value of the pressure difference in the controller, and sending a signal to the alarm device by the controller when the standard threshold value exceeds the threshold value to prompt personnel to check; this allows finer monitoring;
the working process and working principle of this embodiment and embodiment 2 will not be described in detail.
Example 3
This embodiment is substantially the same as embodiment 2.
The difference is that,
the pressure sensor (Pressure Transducer) is a device or apparatus that senses a pressure signal and converts the pressure signal to a usable output electrical signal according to a certain law. Pressure sensors are generally composed of a pressure sensitive element and a signal processing unit. Pressure sensors can be classified into gauge pressure sensors, differential pressure sensors, and absolute pressure sensors, according to the type of test pressure.
The gauge pressure sensor is simple and low in cost, and the gauge pressure sensor is adopted in the application.
The principle of the embodiment is basically the same as that of embodiment 2. And will not be described in detail.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. At present, the technical scheme of the application adopts the best implementation mode of the embodiment 1, and pilot tests, namely small-scale experiments of products before large-scale mass production, are carried out; after the pilot test is completed, the use investigation of the user is performed in a small range, and the investigation result shows that the user satisfaction is higher; now, the preparation of the formal production of products for industrialization is started; the above; is only a preferred embodiment of the present utility model; the scope of the utility model is not limited in this respect; any person skilled in the art is within the technical scope of the present disclosure; equivalent substitutions or changes are made according to the technical proposal of the utility model and the improved conception thereof; are intended to be encompassed within the scope of the present utility model. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The leakage monitoring device for the pipeline of the water cooling system of the wind turbine generator is characterized by comprising a leakage detection device, an alarm device and a control device, wherein the leakage detection device is arranged on a pipeline (1) of the water cooling system, the alarm device is used for alarming leakage of the pipeline, and the control device is in signal connection with the leakage detection device; the alarm device is in signal connection with the control device.
2. The wind turbine water cooling system pipeline leakage monitoring device according to claim 1, wherein: the leakage detection device comprises a leakage detection belt (2) wound on the outer surface of the pipeline (1) and a detection circuit, and the detection circuit is in signal connection with the control device.
3. The wind turbine water cooling system pipeline leakage monitoring device according to claim 2, wherein: the seepage detection belt (2) comprises a first insulating layer (15) which is abutted against the pipeline (1) and made of a high polymer material, a first conductive layer (14) bonded with the first insulating layer (15), a second insulating layer (11) bonded with the first conductive layer (14), a second conductive layer (12) bonded with the second insulating layer (11) and a third insulating layer (13) bonded with the second conductive layer (12);
the first insulating layer (15), the first conductive layer (14), the second insulating layer (11), the second conductive layer (12) and the third insulating layer (13) are all provided with through holes.
4. The wind turbine water cooling system pipeline leakage monitoring device according to claim 3, wherein: the detection circuit comprises a 12V battery and an ammeter; the positive electrode of the 12V battery is electrically connected with the first conductive layer (14); the negative electrode of the 12V battery is electrically connected with the second conductive layer (12); the ammeter is electrically connected in a loop formed by the battery, the first conductive layer (14) and the second conductive layer (12); the ammeter is in signal connection with the control device.
5. The wind turbine water cooling system pipeline leakage monitoring device according to claim 3, wherein: the first conductive layer (14) and the second conductive layer (12) are both tin-plated copper foil materials.
6. The wind turbine water cooling system pipeline leakage monitoring device according to claim 4, wherein: also comprises a pressure sensor for measuring the pressure in the pipeline (1); the pressure sensor comprises a first pressure sensor (3), a second pressure sensor (6), a third pressure sensor (8) and a fourth pressure sensor (7) which are used for measuring two ends of the pipeline (1) respectively.
7. The wind turbine water cooling system pipeline leakage monitoring device according to claim 6, wherein: the control device comprises a PLC controller; the PLC is respectively connected with the first pressure sensor (3), the second pressure sensor (6), the third pressure sensor (8), the fourth pressure sensor (7), the alarm device and the ammeter through signals.
CN202321108994.XU 2023-05-10 2023-05-10 Pipeline leakage monitoring device of water cooling system of wind turbine generator Active CN220508355U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321108994.XU CN220508355U (en) 2023-05-10 2023-05-10 Pipeline leakage monitoring device of water cooling system of wind turbine generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321108994.XU CN220508355U (en) 2023-05-10 2023-05-10 Pipeline leakage monitoring device of water cooling system of wind turbine generator

Publications (1)

Publication Number Publication Date
CN220508355U true CN220508355U (en) 2024-02-20

Family

ID=89876981

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321108994.XU Active CN220508355U (en) 2023-05-10 2023-05-10 Pipeline leakage monitoring device of water cooling system of wind turbine generator

Country Status (1)

Country Link
CN (1) CN220508355U (en)

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