CN219162151U - Transformer oil on-line monitoring device test platform - Google Patents

Abstract

Transformer oil online monitoring device test platform, including high-level oil tank, low-level oil tank and several equipment to be tested. The oil outlet of the high-level oil tank is connected to the oil inlet of the low-level oil tank through the test pipeline. The oil inlet is connected through the oil sample configuration main pipeline. The test pipeline is equipped with an oil sample circulation pipeline, several oil supply pipelines connected to the oil inlet of each equipment to be tested, and several oil outlet pipelines connected to the oil outlet of each equipment to be tested. The oil return line connected to the port and the oil sample off-line detection return line. An oil pump is installed on the oil sample distribution main line, and the other end of the oil sample circulation line is connected to the oil sample distribution main line. Outlet pipeline. The whole working process of the utility model is orderly, only need to open or close the corresponding valve, can realize the test of the equipment to be tested and the configuration of the standard oil sample, the joint does not need to be replaced frequently, can greatly reduce the oil pollution on the test site, safe and reliable, Avoid oil sample waste.

Description

Transformer oil online monitoring device test platform

technical field

The utility model relates to the technical field of transformer oil monitoring, in particular to a testing platform for an online transformer oil monitoring device.

Background technique

In actual use, the transformer oil online monitoring and early warning device has high requirements for long-term monitoring stability. Therefore, the test before leaving the factory should be tested by simulating the actual use as much as possible.

Transformer oil online monitoring and early warning device During the test, there must be a steady supply of transformer oil standard oil samples, and the configured oil samples are distributed to the transformer oil online monitoring and early warning device for testing. In the process of oil sample configuration, there are many types and quantities of equipment used, and the joints are replaced frequently. When the joints and equipment are replaced, the oil pollution on the test site will increase, increase safety hazards, and waste oil samples.

In order to solve the above technical problems, we designed a test platform for transformer oil online monitoring device.

Utility model content

In order to overcome the deficiencies of the prior art, the utility model provides a transformer oil online monitoring device testing platform. The utility model has an orderly working process, and the testing and testing of the equipment to be tested can be realized only by opening or closing the corresponding valves. The configuration of the standard oil sample, the joint does not need to be replaced frequently, which can greatly reduce the oil pollution on the test site, is safe and reliable, and avoids the waste of oil samples.

In order to achieve the above object, the utility model adopts the following technical solutions:

Transformer oil online monitoring device test platform, including high-level oil tank, low-level oil tank and several equipment to be tested. The oil outlet of the high-level oil tank is connected to the oil inlet of the low-level oil tank through the test pipeline. The oil inlet is connected by the main pipeline of oil sample configuration. Along the fluid flow direction, the test pipeline is provided with the first manual valve, the oil sample circulation pipeline, the oil sample offline detection pipeline, the second manual valve, several roots and each The oil supply pipeline connected to the oil inlet of the equipment to be tested, the third manual valve, several oil return pipelines connected to the oil outlet of each equipment to be tested, the fourth manual valve, the fifth manual valve and oil samples Off-line detection of the return line, the oil sample configuration main line is provided with the sixth manual valve, the seventh manual valve and the oil pump in sequence along the fluid flow direction, and the other end of the oil sample circulation line is connected to the oil between the seventh manual valve and the oil pump. The eighth manual valve is set on the oil sample circulation pipeline on the main pipeline for sample configuration. There is a ninth manual valve on the oil sample off-line detection pipeline, a tenth manual valve on the oil sample off-line detection return pipeline, and an electric valve on each oil supply pipeline and each oil return pipeline.

A first filter is arranged on the test pipeline between the first manual valve and the oil sample circulation pipeline.

A second filter is arranged on the oil sample configuration main line between the seventh manual valve and the oil sample circulation line.

It also includes an oil sample configuration auxiliary pipeline. One end of the oil sample configuration auxiliary pipeline is connected to the oil sample configuration main pipeline between the sixth manual valve and the seventh manual valve, and the other end of the oil sample configuration auxiliary pipeline is connected to the An eleventh manual valve is arranged on the main oil sample disposition pipeline between the second filter and the oil sample circulation pipeline, and the oil sample disposition secondary pipeline.

There is a circulating return secondary pipeline between the test pipeline and the oil sample configuration main pipeline, one end of the circulating return secondary pipeline is connected to the test pipeline between the fourth manual valve and the fifth manual valve, and the circulating return secondary pipeline The other end of the valve is connected to the oil sample configuration main line between the sixth manual valve and the seventh manual valve, and a twelfth manual valve is arranged on the secondary circulation return line.

The utility model has substantive characteristics and progress relative to the prior art. Specifically, the working process of the utility model specifically includes the following steps:

(1) Use the standard oil sample to test the equipment under test: the standard oil sample is stored in the high oil tank, open the electric valves on each oil supply pipeline and each oil return pipeline, and open the first manual valve and the second manual valve at the same time , the third manual valve, the fourth manual valve and the fifth manual valve, and the rest of the valves are closed, and each device to be tested is started (if more devices need to be tested, more devices to be tested can be connected in parallel to the test pipeline in turn) , the standard oil sample in the high-level oil tank relies on gravity to pass through the first filter along the test pipeline, and then enters the corresponding equipment to be tested through each oil supply pipeline. The standard oil sample is tested in each equipment to be tested. After the test The oil sample flows back from the corresponding equipment to be tested to the test pipeline through each oil return pipeline, and then continues to flow along the test pipeline into the low-level oil tank. The flow power of the entire oil sample is provided by the corresponding equipment to be tested. After the test is completed, close all the equipment to be tested and all valves, and there will be oil in the low oil tank;

(2) Oil transfer: transfer the oil in the low-level oil tank to the high-level oil tank for the configuration of standard oil samples. The specific operation is: turn on the oil pump, open the sixth manual valve and the seventh manual valve, and close the rest of the valves , the oil in the low oil tank enters the high oil tank through the second filter and the oil pump along the oil sample configuration main pipeline, or the sixth manual valve and the eleventh manual valve are opened, the oil in the low oil tank is arranged along the oil sample The auxiliary pipeline directly enters the high-level fuel tank through the oil pump. Since the oil needs to be filtered through the second filter regularly, it is determined according to the actual use which way the oil will flow into the high-level fuel tank. After the oil in the low-level fuel tank is transferred , close the oil pump and all valves;

(3) Standard oil sample configuration: turn on the oil pump, open the first manual valve and the eighth manual valve, and close the other valves, and the oil flows out from the high-level oil tank and is arranged along the test pipeline, oil sample circulation pipeline and oil sample supervisor After passing through the first filter and the oil pump, it returns to the high oil tank, or the first manual valve, the second manual valve, the third manual valve, the fourth manual valve, the twelfth manual valve and the eleventh manual valve are opened. If the rest of the valves are closed, the oil will flow out from the high-level oil tank and flow back to the In the high-level oil tank, this cycle is suitable for the situation that the equipment to be tested is working at the same time during the cycle. Then, in the process of continuous oil circulation, the ninth manual valve is opened, and the gas that needs to be injected passes through the first joint and the oil sample is tested offline. The oil outlet pipeline is injected into the oil circulation pipeline. After a period of circulation, the gas dissolves into the oil liquid, completes the standard oil sample configuration, closes the oil pump and all valves; after the standard oil sample configuration is completed, some oil samples need to be taken For off-line detection, connect the first joint to the oil inlet of the external container, and the second joint to the oil outlet of the external container, open the first manual valve, the ninth manual valve and the tenth manual valve, and close the other valves, then the high level The standard oil sample in the oil tank is detected off-line along the test pipeline and the oil sample. The oil pipeline enters the external container through the first filter and the first joint, and the oil sample used in the external container passes through the second joint and the oil sample off-line detection return pipe. way back into the lower fuel tank. It can be seen from the above that the entire working process of the utility model is orderly, and the test of the equipment to be tested and the configuration of the standard oil sample can be realized only by opening or closing the corresponding valve, and the joint does not need to be replaced frequently, which can greatly reduce the oil pollution on the test site , safe and reliable, to avoid waste of oil samples.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Detailed ways

Further illustrate the embodiment of the present utility model below in conjunction with accompanying drawing.

As shown in Figure 1, the test platform of the transformer oil online monitoring device includes a high-level oil tank 1, a low-level oil tank 2 and several devices 3 to be tested. The oil outlet of the high-level oil tank 1 and the oil inlet of the low-level oil tank 2 pass through the test pipeline 4 Connection, the oil outlet of the lower oil tank 2 is connected with the oil inlet of the upper oil tank 1 through the oil sample configuration main pipeline 5, and the first manual valve 6 and the oil sample circulation pipeline 7 are sequentially arranged on the test pipeline 4 along the fluid flow direction , the oil sample off-line detection oil pipeline 8, the second manual valve 9, several oil supply pipelines 10 correspondingly connected with the oil inlets of each equipment to be tested 3, the third manual valve 11, several pipelines connected to the oil inlets of each equipment to be tested The oil outlet of the equipment 3 is connected to the oil return pipeline 12, the fourth manual valve 13, the fifth manual valve 14 and the oil sample off-line detection return pipeline 15. The six manual valves 16, the seventh manual valve 17 and the oil pump 18, the other end of the oil sample circulation pipeline 7 is connected to the oil sample configuration main pipeline 5 between the seventh manual valve 17 and the oil pump 18, the oil sample circulation pipeline 7 An eighth manual valve 19 is provided on the top, the other end of the oil pipeline 8 for offline detection of oil samples is connected to the first connector 20, and the other end of the return pipeline 15 for offline detection of oil samples is connected to the second joint 21, and the oil sample is detected offline The ninth manual valve 22 is set on the oil pipeline 8, the tenth manual valve 23 is set on the oil sample off-line detection return pipeline 15, and the electric valve 24 is set on each oil supply pipeline 10 and each oil return pipeline 12 .

A first filter 25 is arranged on the test pipeline 4 between the first manual valve 6 and the oil sample circulation pipeline 7 .

A second filter 26 is provided on the oil sample distribution main pipeline 5 between the seventh manual valve 17 and the oil sample circulation pipeline 7 .

Also includes an oil sample configuration secondary pipeline 27, one end of the oil sample configuration secondary pipeline 27 is connected on the oil sample configuration main pipeline 5 between the sixth manual valve 16 and the seventh manual valve 17, the oil sample configuration secondary pipeline The other end of the pipeline 27 is connected to the oil sample distribution main pipeline 5 between the second filter 26 and the oil sample circulation pipeline 7 , and an eleventh manual valve 28 is arranged on the oil sample distribution auxiliary pipeline 27 .

A circulation backflow secondary pipeline 29 is set between the test pipeline 4 and the oil sample configuration main pipeline 5, and one end of the circulation backflow secondary pipeline 29 is connected to the test pipeline between the fourth manual valve 13 and the fifth manual valve 14 4, the other end of the circulation backflow secondary pipeline 29 is connected to the oil sample configuration main pipeline 5 between the sixth manual valve 16 and the seventh manual valve 17, and the circulation backflow secondary pipeline 29 is provided with a twelfth manual valve 30.

The oil pump 18, the electric valve 24, the first filter 25 and the second filter 26 are all existing devices, which can be purchased on the market, and the specific structure and working principle are no longer described in detail.

The work process of the present utility model specifically comprises the following steps:

(1) Use the standard oil sample to test the equipment under test 3: the standard oil sample is stored in the high oil tank 1, open the electric valve 24 on each oil supply pipeline 10 and each oil return pipeline 12, and open the first manual valve at the same time 6. The second manual valve 9, the third manual valve 11, the fourth manual valve 13 and the fifth manual valve 14, all other valves are closed, and each device under test 3 is started (if more devices need to be tested, more Many devices 3 to be tested are sequentially connected in parallel on the test pipeline 4), and the standard oil sample in the high-level oil tank 1 relies on gravity along the test pipeline 4, passes through the first filter 25, and then passes through each oil supply pipeline 10 into the corresponding each In the equipment to be tested 3, the standard oil sample is tested in each equipment to be tested 3, and the oil sample after the test is returned to the test pipeline 4 from the corresponding equipment to be tested 3 through each oil return pipeline 12, and then along the The test pipeline 4 continues to flow into the low-level fuel tank 2, and the flow power of the entire oil sample is provided by the corresponding equipment under test 3. After the test is completed, close each equipment under test 3 and all valves, and there is oil in the low-level fuel tank 2. liquid;

(2) Oil transfer: transfer the oil in the low-level oil tank 2 to the high-level oil tank 1 for the configuration of standard oil samples. The specific operations are: turn on the oil pump 18, open the sixth manual valve 16 and the seventh manual valve 17. When other valves are closed, the oil in the low oil tank 2 enters the high oil tank 1 through the second filter 26 and the oil pump 18 along the oil sample configuration main pipeline 5, or opens the sixth manual valve 16 and the eleventh manual valve 28 , the oil in the low-level oil tank 2 directly enters the high-level oil tank 1 through the oil pump 18 along the oil sample configuration auxiliary pipeline 27. Since the oil needs to be filtered through the second filter 26 on a regular basis, all the oil must be filtered according to actual use. Which way flows into the high oil tank 1, after the oil in the low oil tank 2 is transferred, close the oil pump 18 and all valves;

(3) Standard oil sample configuration: turn on the oil pump 18, open the first manual valve 6 and the eighth manual valve, and close the other valves, and the oil flows out from the high-level oil tank 1 and flows along the test pipeline 4 and the oil sample circulation pipeline 7 And the oil sample configuration main pipeline 5 passes through the first filter 25 and the oil pump 18 and then returns to the high oil tank 1, or opens the first manual valve 6, the second manual valve 9, the third manual valve 11, and the fourth manual valve 13. The twelfth manual valve 30 and the eleventh manual valve 28, and the rest of the valves are closed, then the oil flows out from the high-level oil tank 1 and flows along the test pipeline 4, the circulation backflow secondary pipeline 29, and the oil sample configuration secondary pipeline The pipeline 27 and the oil sample configuration main pipeline 5 are returned to the high-level oil tank 1 after passing through the first filter 25 and the oil pump 18. This cycle is suitable for the situation that the equipment to be tested 3 works at the same time during the cycle, and then, when the oil continues to During the circulation process, open the ninth manual valve 22, and inject the gas to be injected into the oil circulation pipeline through the first joint 20 and the oil sample off-line detection oil pipeline 8. After a period of circulation, the gas dissolves and enters the oil In the liquid, the standard oil sample configuration is completed, and the oil pump 18 and all valves are closed; after the standard oil sample configuration is completed, some oil samples need to be taken for offline testing, and the first joint 20 is connected to the oil inlet of the external container, and the second joint 21 is connected to the Open the first manual valve 6, the ninth manual valve 22 and the tenth manual valve 23 at the oil outlet of the external container, and close the other valves, then the standard oil sample in the high-level oil tank 1 will be detected offline along the test pipeline 4 and the oil sample The oil outlet pipeline 8 enters the external container through the first filter 25 and the first joint 20, and the oil sample used in the external container returns to the low oil tank 2 through the second joint 21 and the oil sample off-line detection return line 15. It can be seen from the above that the entire working process of the utility model is orderly, and the test of the equipment to be tested 3 and the configuration of the standard oil sample can be realized only by opening or closing the corresponding valve. Oil pollution, safe and reliable, avoiding waste of oil samples.

The above embodiments are only used to illustrate and not limit the technical solutions of the present utility model. Although the utility model has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand; the utility model can still be modified or equivalently replaced. Any modification or partial replacement without departing from the spirit and scope of the present utility model shall fall within the scope of the claims of the present utility model.

Claims (5)

1. The test platform of the transformer oil online monitoring device is characterized in that it includes a high-level oil tank, a low-level oil tank and several devices to be tested. The oil port is connected to the oil inlet port of the high-level oil tank through the oil sample configuration main pipeline. The test pipeline is equipped with a first manual valve, an oil sample circulation pipeline, an oil sample offline detection pipeline, and a second manual valve in sequence along the fluid flow direction. Valves, several oil supply pipelines correspondingly connected to the oil inlets of each equipment to be tested, the third manual valve, several oil return pipelines correspondingly connected to the oil outlets of each equipment to be tested, the fourth manual valve, the first Five manual valves and oil sample off-line detection return line, the oil sample configuration main line is equipped with a sixth manual valve, a seventh manual valve and an oil pump in sequence along the fluid flow direction, and the other end of the oil sample circulation line is connected to the seventh manual valve On the oil sample distribution main line between the oil pump and the oil sample circulation pipeline, there is an eighth manual valve. There is a second joint, a ninth manual valve is set on the oil sample off-line detection oil pipeline, a tenth manual valve is set on the oil sample off-line detection return line, and electric valves are set on each oil supply line and each oil return line . 2. The test platform of the transformer oil online monitoring device according to claim 1, characterized in that: a first filter is arranged on the test pipeline between the first manual valve and the oil sample circulation pipeline. 3. The testing platform of the transformer oil online monitoring device according to claim 1, characterized in that: a second filter is arranged on the oil sample distribution main line between the seventh manual valve and the oil sample circulation line. 4. The test platform of transformer oil online monitoring device according to claim 3, characterized in that: it also includes an oil sample configuration auxiliary pipeline, and one end of the oil sample configuration auxiliary pipeline is connected to the sixth manual valve and the seventh manual valve. The oil sample configuration main line between the valves, the other end of the oil sample configuration auxiliary line is connected to the oil sample configuration main line between the second filter and the oil sample circulation line, and the oil sample configuration auxiliary line is provided with a tenth A manual valve. 5. The test platform of transformer oil online monitoring device according to claim 1, characterized in that: a circulating return secondary pipeline is arranged between the test pipeline and the oil sample configuration main pipeline, and one end of the circulating return secondary pipeline is connected to On the test pipeline between the fourth manual valve and the fifth manual valve, the other end of the circulation return auxiliary pipeline is connected to the oil sample configuration main line between the sixth manual valve and the seventh manual valve, and the circulation return auxiliary pipeline is set There is a twelfth manual valve.

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