CN219848280U - Oil return bubble removal device for transformer - Google Patents
Oil return bubble removal device for transformer Download PDFInfo
- Publication number
- CN219848280U CN219848280U CN202321194060.2U CN202321194060U CN219848280U CN 219848280 U CN219848280 U CN 219848280U CN 202321194060 U CN202321194060 U CN 202321194060U CN 219848280 U CN219848280 U CN 219848280U
- Authority
- CN
- China
- Prior art keywords
- oil return
- oil
- end cover
- liquid level
- removal device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000012544 monitoring process Methods 0.000 claims abstract description 48
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 3
- 238000005187 foaming Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000026676 system process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Housings And Mounting Of Transformers (AREA)
Abstract
The oil return and bubble removal device for the transformer comprises an oil return chamber, wherein an end cover is arranged at the top end of the oil return chamber, a liquid level monitoring component is arranged at the top end of the end cover, a pressure monitoring component is arranged on one side of the end cover, an exhaust component is arranged on one side of the liquid level monitoring component, and an oil inlet for oil inlet and an oil outlet for oil outlet are formed in the side surface of the oil return chamber; the end cover is fixed at the top end of the oil return chamber, and the side surface of the end cover is provided with an air collecting cavity. The oil return bubble removing device for the transformer disclosed by the utility model realizes monitoring of the gas in the transformer oil and simultaneously facilitates the discharge of the gas.
Description
Technical Field
The utility model relates to the technical field of transformer oil, in particular to an oil return bubble removing device for a transformer.
Background
The transformer oil chromatographic monitoring device is an important means for monitoring the operation state of a transformer substation, an oil return power driver (such as an oil pump, a power piston and the like) is arranged in the transformer oil chromatographic monitoring device, the analyzed oil is returned to the transformer body, the oil return power is required to be larger than the pressure of the transformer, but if leakage occurs in an oil chromatographic oil return channel, air can be possibly introduced into the transformer body, gas relay action alarm is caused, and no oil return bubble removing device for the transformer exists at present.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an oil return bubble removing device for a transformer, which solves the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the oil return and bubble removal device for the transformer comprises an oil return chamber, wherein an end cover is arranged at the top end of the oil return chamber, a liquid level monitoring component is arranged at the top end of the end cover, a pressure monitoring component is arranged on one side of the end cover, an exhaust component is arranged on one side of the liquid level monitoring component, and an oil inlet for oil inlet and an oil outlet for oil outlet are formed in the side surface of the oil return chamber;
the side surface of the end cover is provided with an air collecting cavity;
the monitoring end of the liquid level monitoring assembly penetrates through the top of the end cover and is located inside the gas collection cavity, the exhaust assembly penetrates through the side face of the end cover and the gas collection cavity to be communicated with each other, and the monitoring end of the pressure monitoring assembly penetrates through the side face of the end cover and is located inside the gas collection cavity.
Preferably, the gas collection chamber is tapered to facilitate gas collection.
Preferably, a mounting hole for placing the liquid level monitoring component is formed in the top of the end cover, and the axis of the mounting hole and the central line of the air collecting cavity are positioned on the same straight line.
Preferably, the side of the end cover is provided with an exhaust hole communicated with the exhaust assembly, and the exhaust hole is communicated with the air collecting cavity.
Preferably, a monitoring hole for monitoring the pressure monitoring assembly is formed in the side face of the end cover, and the monitoring hole and the air collecting cavity are communicated.
Preferably, the liquid level monitoring component is a liquid level sensor, and the output end of the liquid level monitoring component and the bottom surface of the end cover are located on the same plane.
Preferably, the pressure monitoring component is a pressure transmitter, and the exhaust component is a miniature ball valve.
Preferably, the vertical height of the oil inlet is higher than that of the oil outlet, and mounting joints are mounted on the oil inlet and the oil outlet.
The utility model provides an oil return bubble removal device for a transformer, which has the following beneficial effects:
1. the transformer oil passing through the oil-gas separation unit enters the oil return chamber through the oil inlet, if foaming occurs, the foaming can float the inside of the gas collection chamber on the bottom of the end cover, so that the liquid level sensor is disconnected from the oil surface, and alarm processing is performed.
2. The air inside the air collection cavity can be discharged through the miniature ball valve, the air collection cavity is conical, so that bubbles are convenient to gather, disassembly is not needed, and the air collection cavity is convenient to use.
3. The pressure transmitter can monitor the pressure in the oil return chamber, if the pipeline is blocked, the oil-gas separation unit can continuously discharge oil, and the pressure transmitter at the upper part of the oil return chamber can detect the pressure rise and process the alarm.
4. And the oil inlet and the oil outlet are provided with mounting connectors, so that the connection with external equipment is convenient.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present utility model;
FIG. 2 is a schematic structural view of the oil return chamber of the present utility model;
FIG. 3 is a schematic view of the structure of the end cap of the present utility model;
FIG. 4 is a schematic cross-sectional view of the structure of the utility model A-A.
In the figure: 1. an oil return chamber; 2. an end cap; 3. a liquid level monitoring assembly; 4. a pressure monitoring assembly; 5. an exhaust assembly; 6. an oil inlet; 7. an oil outlet; 8. an air collection cavity; 9. a mounting hole; 10. an exhaust hole; 11. monitoring the hole; 12. and (5) installing the joint.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, in the present embodiment: an oil return bubble removing device for a transformer comprises an oil return chamber 1 for oil return, an end cover 2 for sealing, a liquid level monitoring component 3 for monitoring, a pressure monitoring component 4 for monitoring pressure and an exhaust component 5;
the oil return chamber 1 is in an open cup shape, an oil inlet 6 for oil inlet and an oil outlet 7 for oil outlet are formed in the side face of the oil return chamber 1, the vertical height of the oil inlet 6 is higher than that of the oil outlet 7, the oil inlet 6 and the oil outlet 7 are provided with mounting connectors 12, and the mounting connectors 12 are convenient to connect with external equipment.
In the embodiment, the end cover 2 is fixed at the top end of the oil return chamber 1 through a plurality of bolts, one end of the oil return chamber 1, which is close to the end cover 2, is provided with an annular groove, a sealing ring for sealing the end cover 2 and the oil return chamber 1 is clamped in the groove, the side surface of the end cover 2 is provided with an air collection chamber 8 which is convenient for air collection, the air collection chamber 8 is in a cone shape which is convenient for air collection, and the air collection chamber 8 is in a cone shape which is convenient for air bubble collection;
the top of the end cover 2 is provided with a mounting hole 9 for placing the liquid level monitoring component 3, the axis of the mounting hole 9 and the central line of the air collecting cavity 8 are positioned on the same straight line, the liquid level monitoring component 3 is a liquid level sensor, and the output end of the liquid level monitoring component 3 and the bottom surface of the end cover 2 are positioned on the same plane;
the side surface of the end cover 2 is provided with an exhaust hole 10 communicated with the exhaust component 5, the exhaust hole 10 is communicated with the air collecting cavity 8, the exhaust component 5 is a miniature ball valve, and the air in the air collecting cavity 8 can be discharged through the miniature ball valve without dismantling, so that the use is convenient;
the side of end cover 2 has seted up the monitoring hole 11 that is used for pressure monitoring module 4 to monitor, and monitoring hole 11 and gas collecting chamber 8 are linked together, and pressure monitoring module 4 is pressure transmitter, and pressure transmitter can monitor the inside pressure of oil return room 1, if the pipeline has behind the jam, and oil gas separation unit still continues the oil extraction, and pressure transmitter above oil return room 1 detects pressure and risees, and the system will report to the police and handle.
The working principle and the working flow of the utility model are as follows:
after the oil-gas separation unit of the oil pump is started for the first time and the normal work of the oil-gas separation unit is completed, transformer oil enters the oil return chamber 1 from the oil inlet 6, the exhaust valve is opened to enable the oil to be filled in the oil return chamber 1 and remove bubbles therein, the exhaust valve is closed, the oil return chamber 1 is always in a full oil bubble-free state, and the liquid level sensor is always in a normally-on state. The transformer oil with air removed from the first oil return chamber 1 does not flow back to the transformer, and the transformer oil without air bubbles can flow back to the transformer after the oil-gas separation unit works for the second time; if the oil entering from the oil inlet 6 has bubbles, the bubbles float above the oil return chamber 1, the liquid level is disconnected from the liquid level sensor, and the system processes an alarm; if the oil pump is blocked or the pipeline is blocked, the oil-gas separation unit still continues to discharge oil, the pressure transmitter above the oil return chamber 1 detects the pressure rise, and the system processes an alarm.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. Oil return bubble removal device for transformer, including oil return room (1), its characterized in that: the oil return device is characterized in that an end cover (2) is arranged at the top end of the oil return chamber (1), a liquid level monitoring component (3) is arranged at the top end of the end cover (2), a pressure monitoring component (4) is arranged on one side of the end cover (2), an exhaust component (5) is arranged on one side of the liquid level monitoring component (3), and an oil inlet (6) for oil inlet and an oil outlet (7) for oil outlet are formed in the side face of the oil return chamber (1);
an air collection cavity (8) is formed in the side face of the end cover (2);
the monitoring end of the liquid level monitoring assembly (3) penetrates through the top of the end cover (2) and is located inside the gas collecting cavity (8), the exhaust assembly (5) penetrates through the side face of the end cover (2) and the gas collecting cavity (8) to be communicated with each other, and the monitoring end of the pressure monitoring assembly (4) penetrates through the side face of the end cover (2) and is located inside the gas collecting cavity (8).
2. The oil return bubble removal device for a transformer according to claim 1, wherein: the gas collection cavity (8) is in a cone shape which is convenient for gas collection.
3. The oil return bubble removal device for a transformer according to claim 1, wherein: the top of the end cover (2) is provided with a mounting hole (9) for placing the liquid level monitoring assembly (3), and the axis of the mounting hole (9) and the central line of the air collecting cavity (8) are positioned on the same straight line.
4. The oil return bubble removal device for a transformer according to claim 1, wherein: the side of the end cover (2) is provided with an exhaust hole (10) communicated with the exhaust assembly (5), and the exhaust hole (10) and the air collecting cavity (8) are communicated.
5. The oil return bubble removal device for a transformer according to claim 1, wherein: the side of end cover (2) has offered monitoring hole (11) that are used for pressure monitoring subassembly (4) to monitor, monitoring hole (11) and gas collecting chamber (8) are linked together.
6. The oil return bubble removal device for a transformer according to claim 1, wherein: the liquid level monitoring assembly (3) is a liquid level sensor, and the output end of the liquid level monitoring assembly (3) and the bottom surface of the end cover (2) are positioned on the same plane.
7. The oil return bubble removal device for a transformer according to claim 1, wherein: the pressure monitoring assembly (4) is a pressure transmitter, and the exhaust assembly (5) is a miniature ball valve.
8. The oil return bubble removal device for a transformer according to claim 1, wherein: the vertical height of the oil inlet (6) is higher than that of the oil outlet (7), and mounting connectors (12) are mounted on the oil inlet (6) and the oil outlet (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321194060.2U CN219848280U (en) | 2023-05-17 | 2023-05-17 | Oil return bubble removal device for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321194060.2U CN219848280U (en) | 2023-05-17 | 2023-05-17 | Oil return bubble removal device for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219848280U true CN219848280U (en) | 2023-10-20 |
Family
ID=88317295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321194060.2U Active CN219848280U (en) | 2023-05-17 | 2023-05-17 | Oil return bubble removal device for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219848280U (en) |
-
2023
- 2023-05-17 CN CN202321194060.2U patent/CN219848280U/en active Active
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