CN210862840U - Oil paper insulation transformer monitor and monitoring system for sleeve pipe - Google Patents
Oil paper insulation transformer monitor and monitoring system for sleeve pipe Download PDFInfo
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- CN210862840U CN210862840U CN201922106221.8U CN201922106221U CN210862840U CN 210862840 U CN210862840 U CN 210862840U CN 201922106221 U CN201922106221 U CN 201922106221U CN 210862840 U CN210862840 U CN 210862840U
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Abstract
The application discloses a monitor for an oil paper insulation transformer bushing, which comprises an oil plug body, a main control module, a pressure sensing module, a power supply, a laser probe and a communication module; the oil plug body is hermetically arranged on an oil filling port of the transformer bushing; the main control module is arranged on the oil plug body; the laser probe is electrically connected with the main control module and extends into the transformer bushing through the oil injection port; the pressure sensing module is electrically connected with the main control module and is arranged on the oil plug body at a position corresponding to the oil filling port; the communication module is arranged on the oil plug body and is electrically connected with the main control module; the power supply is arranged on the oil plug body. The oil level and the pressure in the transformer bushing can be accurately monitored in real time. The monitoring system for the oil paper insulation transformer bushing has the same beneficial effects.
Description
Technical Field
The application relates to the technical field of transformer monitoring, in particular to a monitor and a monitoring system for an oil-paper insulation transformer bushing.
Background
According to different insulation structures, transformer sleeves are mainly divided into oiled paper insulation sleeves and dry sleeves, the currently transported transformer sleeves are mainly oiled paper insulation structure sleeves, and transformer oil and insulation paper are main insulation media of the sleeves. When the abnormality or fault such as partial discharge, overheating and the like occurs inside the transformer bushing, the dissolved gas in the oil is increased and expanded, so that the internal pressure is increased and the oil level is raised; when the transformer bushing is poorly sealed, oil leakage may occur, causing a drop in internal pressure and oil level. Therefore, the internal fault of the transformer bushing can be effectively judged by monitoring the oil level and the internal pressure of the transformer bushing, fault early warning is realized, and safe and reliable operation of the transformer bushing is ensured.
At present, the oil level and pressure in a transformer bushing are mainly monitored manually and periodically, and an oil level gauge and a pressure gauge positioned at the top of the transformer bushing are observed by utilizing observation equipment such as a telescope and the like; however, such a monitoring process is troublesome, is greatly affected by weather, and has poor accuracy and timeliness.
SUMMERY OF THE UTILITY MODEL
In view of the above, a first object of the present application is to provide a monitor for an oil-paper-insulated transformer bushing, which can accurately monitor the oil level and pressure in the transformer bushing in real time.
A second object of the present application is to provide a monitoring system for an oil-paper insulated transformer bushing.
In order to achieve the above technical object, the present application provides a monitor for oil paper insulation transformer bushing, comprising: the oil plug comprises an oil plug body, a main control module, a pressure sensing module, a power supply, a laser probe and a communication module;
the oil plug body is hermetically arranged on an oil filling port of the transformer bushing;
the main control module is arranged on the oil plug body;
the laser probe is electrically connected with the main control module and extends into the transformer bushing through the oil injection port;
the pressure sensing module is electrically connected with the main control module and is arranged on the oil plug body at a position corresponding to the oil filling port;
the communication module is arranged on the oil plug body and is electrically connected with the main control module;
the power supply is arranged on the oil plug body.
Furthermore, the oil plug body comprises a seat body and an annular connector;
the connector vertical fixation in the pedestal is in orientation on the side of oiling mouth, just be equipped with on the connector inside wall with the internal thread of the external screw thread end screw-thread fit of oiling mouth.
Further, the main control module is installed in the seat body.
Furthermore, the pressure sensing module is installed on a side surface of the seat body at a position in the connector.
Further, the device also comprises an extension rod;
one end of the extension rod is connected with a position, in the connector, on one side face of the seat body, and the other end of the extension rod extends into the transformer bushing through the oil filling port;
the laser probe is installed on the other end of the extension rod.
Further, the aircraft structure also comprises an aviation female head and an aviation male head which is in plug-in fit with the aviation female head;
the aviation female head is inserted into the other side face of the seat body and is electrically connected with the main control module;
the communication module is installed on the aviation male head and is electrically connected with the aviation male head.
Further, the power supply is installed on the aviation male head and is electrically connected with the aviation male head.
Further, the device also comprises a protective cover;
the protective cover is fixedly covered on the aircraft bus head;
the power supply and the communication module are arranged in the protective cover.
Further, the protective cover is specifically an epoxy protective cover.
The application also provides a monitoring system for the oil paper insulation transformer bushing, which comprises a monitor, a human-computer interaction device and a background server;
the human-computer interaction device is in communication connection with the background server through a communication line;
the background server is in wireless communication connection with the monitor.
According to the technical scheme, the application provides a monitor for oil paper insulation transformer bushing, through set up host system, laser probe, pressure sensing module, power and communication module on the oil plug body, when oil plug body seal installation was on transformer bushing's oiling mouth, laser probe can stretch into transformer bushing and be used for monitoring the oil level condition, and pressure sensing module is in and annotates mouthful corresponding position for monitoring the pressure condition. The laser probe and the pressure sensing module respectively feed back the measured results to the main control module, and the main control module feeds back the results to the communication terminal or the control terminal and the like through the communication module, so that a worker can know the oil level and the pressure condition in the transformer bushing in time. The oil level and the pressure in the transformer bushing are monitored accurately and in real time integrally, and the monitoring efficiency is improved.
According to the technical scheme, the application also provides a monitoring system for the oil paper insulation transformer bushing, which comprises a monitor, a human-computer interaction device and a background server; the human-computer interaction device is in communication connection with the background server through a communication line; the background server is in wireless communication connection with the monitor. With the monitor, the monitor has the same beneficial effects as the monitor.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a monitor for a transformer bushing with oil-paper insulation provided in the present application;
FIG. 2 is a schematic diagram of a structure of a monitor for a bushing of an oil-paper-insulated transformer installed on a transformer according to the present application;
FIG. 3 is a schematic diagram of a monitoring system for a transformer bushing without a monitor, according to the present application;
in the figure: 1. a sleeve; 2. an oil conservator; 3. an oil filling port; 4. a monitor; 5. a background server; 6. a communication line; 7. a human-computer interaction device; 8. a laser probe; 9. an extension rod; 10. a main control module; 101. a base body; 102. a connector; 11. an internal thread; 12. a pressure sensing module; 13. aviation male heads; 14. an aviation female head; 15. a protective cover; 16. a power source; 17. and a communication module.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The embodiment of the application discloses monitor for oil paper insulation transformer bushing.
Referring to fig. 1 and 2, an embodiment of a monitor for a bushing of an oil-paper-insulated transformer according to an embodiment of the present invention includes:
the oil plug comprises an oil plug body, a main control module 10, a pressure sensing module 12, a power supply 16, a laser probe 8 and a communication module 17; the oil plug body is hermetically arranged on an oil filling port 3 of the transformer bushing; the main control module 10 is arranged on the oil plug body; the laser probe 8 is electrically connected with the main control module 10, and the laser probe 8 extends into the transformer bushing through the oil injection port 3; the pressure sensing module 12 is electrically connected with the main control module 10, and the pressure sensing module 12 is arranged on the oil plug body at a position corresponding to the oil filling port 3; the communication module 17 is arranged on the oil plug body and is electrically connected with the main control module 10; the power supply 16 is mounted on the oil plug body.
Specifically, the transformer bushing structure may be as shown in fig. 2, and includes a porcelain bushing 1, an oil conservator 2 connected to an upper end of the porcelain bushing 1, an oil filling port 3 opened on a sidewall of the oil conservator 2, an oil paper capacitor core and the like arranged in the porcelain bushing 1; the above specific structure is not limited, and those skilled in the art can appropriately modify the structure based on the above specific structure. The main control module 10 may adopt a microprocessor, a PLC controller and other processors, and is not particularly limited; when the laser probe 8 is installed, the probe vertically faces to the oil surface in the oil conservator 2, so that the oil level condition in the transformer bushing can be conveniently measured; the pressure sensing module 12 can be a conventional gas pressure sensing module and the like, is arranged on the oil plug body at a position corresponding to the oil filling port 3, and can monitor the pressure in the transformer bushing through the oil filling port 3; the communication module 17 may be a 2/3/4G network based wireless communication module 17; and power source 16 may be a conventional lithium battery or the like; those skilled in the art can make appropriate changes based on the above without limitation.
According to the technical scheme, the main control module 10, the laser probe 8, the pressure sensing module 12, the power supply 16 and the communication module 17 are arranged on the oil plug body, when the oil plug body is hermetically mounted on the oil filling port 3 of the transformer bushing, the laser probe 8 can extend into the transformer bushing to monitor the oil level condition, and the pressure sensing module 12 is located at the position corresponding to the oil filling port 3 to monitor the pressure condition. The laser probe 8 and the pressure sensing module 12 respectively feed back the measured results to the main control module 10, and the main control module 10 feeds back the results to a communication terminal or a control terminal through the communication module 17, so that the worker can know the oil level and the pressure condition in the transformer bushing in time. The oil level and the pressure in the transformer bushing are monitored accurately and in real time integrally, and the monitoring efficiency is improved.
The above is an embodiment one of the monitor for oil-paper insulation transformer bushing provided in the embodiment of the present application, and the following is an embodiment two of the monitor for oil-paper insulation transformer bushing provided in the embodiment of the present application, specifically referring to fig. 1 to fig. 2.
A monitor for a tube of a paper-oil-insulated transformer, comprising: the oil plug comprises an oil plug body, a main control module 10, a pressure sensing module 12, a power supply 16, a laser probe 8 and a communication module 17; the oil plug body is hermetically arranged on an oil filling port 3 of the transformer; the main control module 10 is arranged on the oil plug body; the laser probe 8 is electrically connected with the main control module 10, and the laser probe 8 extends into the transformer through the oil injection port 3; the pressure sensing module 12 is electrically connected with the main control module 10, and the pressure sensing module 12 is arranged on the oil plug body at a position corresponding to the oil filling port 3; the communication module 17 is arranged on the oil plug body and is electrically connected with the main control module 10; the power supply 16 is mounted on the oil plug body.
Further, the oil plug body comprises a base 101 and a ring-shaped connector 102; the connector 102 is vertically fixed on a side surface of the base 101 facing the oil filling opening 3, and an inner thread 11 in threaded fit with the outer thread end of the oil filling opening 3 is arranged on the inner side wall of the connector 102. The connector 102 and the base 101 can be integrally formed, so that the connector 102 is matched with the external thread end of the oil filling port 3 to achieve better matching and sealing performance; and a sealing rubber ring can be arranged between the connecting head 102 and the transformer bushing at the position of the oil filling port 3, so that the matching sealing performance is improved. For the structure of the oil plug body, those skilled in the art can make appropriate changes based on the above without limitation.
Further, the main control module 10 is installed in the housing 101. A hollow cavity can be arranged in the seat body 101, and the main control module 10 is installed in the hollow cavity, so that the whole structure is more compact.
Further, the pressure sensing module 12 is installed on a side of the housing 101 at a position inside the connecting head 102. The corresponding pressure sensing module 12 can be installed on the seat body 101 and located in the connector 102, so that when the connector 102 is connected and matched with the external thread end on the oil filling port 3, the pressure sensor can monitor the pressure in the transformer bushing through the oil filling port 3.
Further, an extension rod 9 is also included; one end of the extension rod 9 is connected with a position on one side surface of the base body 101 in the connector 102, and the other end of the extension rod extends into the transformer through the oil filling port 3; the laser probe 8 is mounted on the other end of the extension rod 9. The better fixed laser probe 8 of effect of extension rod 9 can stretch into the transformer bushing with laser probe 8 simultaneously, and threaded connection or grafting are fixed between the one end of extension rod 9 and pedestal 101, do not do the restriction specifically. In addition, a connecting wire between the laser probe 8 and the main control module 10 can be wound on the extension rod 9, so that the wiring space is saved.
Further, the aircraft structure also comprises an aircraft female head 14 and an aircraft male head 13 which is in plug-in fit with the aircraft female head 14; the aviation female head 14 is inserted into the other side surface of the base body 101 and is electrically connected with the main control module 10; the communication module 17 is mounted on the aviation male 13 and is electrically connected with the aviation male 13. The aviation female head 14 is fixed on the base body 101 and electrically connected with the main control module 10, and is used for forming a plug-in connector of the main control module 10; correspondingly, the communication module 17 is also arranged on the aviation male connector 13 and is electrically connected with the aviation male connector 13, so that the aviation male connector 13 can also form a plug connector of the communication module 17, and thus when the communication module 17 is in communication connection with the main control module 10, the communication connection between the main control module 10 and the communication module 17 can be realized by directly inserting and matching the aviation male connector 13 and the aviation female connector 14; the installation is dismantled, and it is more convenient to maintain.
Further, a power supply 16 is mounted on the male aviation head 13 and is electrically connected with the male aviation head 13. Similarly, the power supply 16 is also installed on the aviation male head 13, so that the aviation male head 13 and the aviation female head 14 can be in plug-in fit to supply power to the main control module 10, and the laser probe 8, the pressure sensing module 12 and the communication module 17 can also be indirectly supplied with power through the main control module 10. The disassembly and maintenance are more convenient.
Further, a protective cover 15 is also included; the protective cover 15 is fixedly covered on the aircraft female head 14; the power supply 16 and the communication module 17 are provided within the protective cover 15. The power supply 16 and the communication module 17 may be mounted at the tail end of the aviation male head 13, specifically, a mounting groove (not shown) may be formed at the tail end of the aviation male head 13, and the power supply 16 and the communication module 17 are protected by the protective cover 15, so as to play roles of dust prevention, water prevention, and the like. However, if the protective cover 15 is made of a metal material, the wireless communication of the communication module 17 may be affected, and therefore, the protective cover 15 may be made of an epoxy material, such as epoxy resin. The protective cover 15 can be fixedly covered on the opened mounting groove by means of threads and the like.
According to the technical scheme, the main control module 10, the laser probe 8, the pressure sensing module 12, the power supply 16 and the communication module 17 are arranged on the oil plug body, when the oil plug body is hermetically mounted on the oil filling port 3 of the transformer bushing, the laser probe 8 can extend into the transformer bushing to monitor the oil level condition, and the pressure sensing module 12 is located at the position corresponding to the oil filling port 3 to monitor the pressure condition. The laser probe 8 and the pressure sensing module 12 respectively feed back the measured results to the main control module 10, and the main control module 10 feeds back the results to a communication terminal or a control terminal through the communication module 17, so that the worker can know the oil level and the pressure condition in the transformer bushing in time. The oil level and the pressure in the transformer bushing are monitored accurately and in real time integrally, and the monitoring efficiency is improved.
Referring to fig. 2 to 3, an embodiment of a monitoring system for a bushing of an oil-paper-insulated transformer provided in an embodiment of the present application includes:
the system comprises a monitor 4, a human-computer interaction device 7 and a background server 5; the human-computer interaction device 7 is in communication connection with the background server 5 through a communication line 6; the background server 5 is in wireless communication connection with the monitor 4.
Particularly, the monitor 4 can be integrally installed at the position of the oil filling port 3 of the oil conservator 2, not only can plug the oil filling port 3, but also can monitor the oil level condition and the pressure condition in the transformer bushing. The background server 5 may be a conventional computer background or a cloud platform, and may be connected to the monitor 4 in a wireless connection manner such as a network, and is not particularly limited to the foregoing, and configured to receive and store a monitoring result of the monitor 4; the human-computer interaction device 7 can be a control terminal such as a computer and a mobile phone, and is used for receiving/displaying a monitoring result, so that a worker can timely know whether the transformer bushing is abnormal or not. Certainly, an alarm module, such as a buzzer and the like, can also be added and connected with the human-computer interaction device 7, and when the comparison between the monitoring result and the standard data in the storage device is abnormal, the human-computer interaction device 7 can be used for controlling to send out an alarm signal so as to better inform the working personnel.
According to the technical scheme, the application also provides a monitoring system for the oil paper insulation transformer bushing, which comprises a monitor 4, a human-computer interaction device 7 and a background server 5; the human-computer interaction device 7 is in communication connection with the background server 5 through a communication line 6; the background server 5 is in wireless communication connection with the monitor 4. With the monitor 4 described above, it also has the same advantageous effects as the monitor 4 described above.
The monitor and the monitoring system for the oil paper insulation transformer bushing provided by the present application are described in detail above, and for those skilled in the art, according to the ideas of the embodiments of the present application, there may be changes in the specific implementation and application scope, and in summary, the content of the present specification should not be construed as limiting the present application.
Claims (10)
1. The utility model provides a monitor for oil paper insulating transformer sleeve pipe which characterized in that includes: the oil plug comprises an oil plug body, a main control module, a pressure sensing module, a power supply, a laser probe and a communication module;
the oil plug body is hermetically arranged on an oil filling port of the transformer bushing;
the main control module is arranged on the oil plug body;
the laser probe is electrically connected with the main control module and extends into the transformer bushing through the oil injection port;
the pressure sensing module is electrically connected with the main control module and is arranged on the oil plug body at a position corresponding to the oil filling port;
the communication module is arranged on the oil plug body and is electrically connected with the main control module;
the power supply is arranged on the oil plug body.
2. The monitor for the oil paper insulating transformer bushing according to claim 1, wherein the oil plug body comprises a base body and a ring-shaped connector;
the connector vertical fixation in the pedestal is in orientation on the side of oiling mouth, just be equipped with on the connector inside wall with the internal thread of the external screw thread end screw-thread fit of oiling mouth.
3. The monitor of claim 2, wherein the main control module is mounted in the housing.
4. The monitor of claim 3, wherein the pressure sensing module is mounted on a side of the housing at a position inside the connector.
5. The monitor for the oil paper insulating transformer bushing according to claim 4, further comprising an extension rod;
one end of the extension rod is connected with a position, in the connector, on one side face of the seat body, and the other end of the extension rod extends into the transformer bushing through the oil filling port;
the laser probe is installed on the other end of the extension rod.
6. The monitor for the oil-paper insulating transformer bushing according to claim 3, further comprising an aviation female head and an aviation male head in plug fit with the aviation female head;
the aviation female head is inserted into the other side face of the seat body and is electrically connected with the main control module;
the communication module is installed on the aviation male head and is electrically connected with the aviation male head.
7. The monitor for oil-paper insulating transformer bushing according to claim 6, wherein the power supply is mounted on the male aviation head and is electrically connected with the male aviation head.
8. The monitor for the oil paper insulating transformer bushing according to claim 7, further comprising a protective cover;
the protective cover is fixedly covered on the aircraft bus head;
the power supply and the communication module are arranged in the protective cover.
9. The monitor for oil paper insulating transformer bushing according to claim 8, characterized in that the protective cover is an epoxy protective cover.
10. A monitoring system for an oil-paper insulation transformer bushing is characterized by comprising the monitor as claimed in any one of claims 1 to 9, a human-computer interaction device and a background server;
the human-computer interaction device is in communication connection with the background server through a communication line;
the background server is in wireless communication connection with the monitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922106221.8U CN210862840U (en) | 2019-11-29 | 2019-11-29 | Oil paper insulation transformer monitor and monitoring system for sleeve pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922106221.8U CN210862840U (en) | 2019-11-29 | 2019-11-29 | Oil paper insulation transformer monitor and monitoring system for sleeve pipe |
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| Publication Number | Publication Date |
|---|---|
| CN210862840U true CN210862840U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922106221.8U Active CN210862840U (en) | 2019-11-29 | 2019-11-29 | Oil paper insulation transformer monitor and monitoring system for sleeve pipe |
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| CN (1) | CN210862840U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447085A (en) * | 2021-09-01 | 2021-09-28 | 中国电力科学研究院有限公司 | Online monitoring device for hydrogen content, pressure and temperature of oil in oil equipment |
| CN117405284A (en) * | 2023-12-15 | 2024-01-16 | 南京中鑫智电科技有限公司 | Pressure early warning method and system for sleeve oil hole plug assembly |
-
2019
- 2019-11-29 CN CN201922106221.8U patent/CN210862840U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447085A (en) * | 2021-09-01 | 2021-09-28 | 中国电力科学研究院有限公司 | Online monitoring device for hydrogen content, pressure and temperature of oil in oil equipment |
| CN117405284A (en) * | 2023-12-15 | 2024-01-16 | 南京中鑫智电科技有限公司 | Pressure early warning method and system for sleeve oil hole plug assembly |
| CN117405284B (en) * | 2023-12-15 | 2024-03-01 | 南京中鑫智电科技有限公司 | Pressure early warning method and system for sleeve oil hole plug assembly |
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