CN112103044B - Multi-state power distribution equipment monitoring device - Google Patents
Multi-state power distribution equipment monitoring device Download PDFInfo
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- CN112103044B CN112103044B CN202011005644.1A CN202011005644A CN112103044B CN 112103044 B CN112103044 B CN 112103044B CN 202011005644 A CN202011005644 A CN 202011005644A CN 112103044 B CN112103044 B CN 112103044B
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- transformer
- fixedly connected
- oil tank
- oil
- main oil
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention relates to the technical field of power grid monitoring, and discloses a multi-state power distribution equipment monitoring device which comprises a transformer base, wherein the top end of the transformer base is fixedly connected with a transformer shell, a main oil tank is arranged inside the transformer shell, the top end of the transformer shell is fixedly connected with an insulating sleeve, the bottom end of the insulating sleeve is fixedly connected with a transformer coil, the front surface, the back surface and two sides of the transformer shell are fixedly connected with auxiliary oil tanks, and the bottom ends of the auxiliary oil tanks are fixedly connected with radiating pipes. According to the invention, the floating barrel is arranged in the main oil tank, the oil level magnetic block is arranged at the bottom end of the floating barrel to reflect the oil level in the main oil tank on the small magnetic needle outside the transformer, and the height position of the floating barrel is obtained by observing the overturning height position of the small magnetic needle, so that the liquid level height of the insulating oil in the main oil tank is obtained, and the leakage condition of the oil tank is judged to monitor the safety of the transformer oil tank.
Description
Technical Field
The invention relates to the technical field of power grid monitoring, in particular to a multi-state power distribution equipment monitoring device.
Background
Distribution equipment's safety plays important effect to the normal operating of an enterprise, and too high transformer temperature rise in the distribution room can lead to the transformer to age with higher speed, can take place the oil spout accident even, and the cooling oil leakage then can make the oil level reduce in the transformer oil chamber, influences the life of transformer, consequently monitors distribution equipment not only can ensure the normal operating of enterprise, can also ensure the interests of enterprise and people's life safety.
But present distribution equipment monitoring devices still has some not enough in the monitoring to the distribution room transformer, and present transformer sets up circular observation window and monitors the oil level, establishes temperature sensor in addition and monitors the temperature in the oil tank, and required equipment is more and mutually independent for the step of monitoring personnel daily record data is complicated, can not obtain the corresponding data of oil temperature and oil level simultaneously, makes monitoring efficiency lower.
Disclosure of Invention
Aiming at the defects of the conventional power distribution equipment monitoring device in the background technology in the using process, the invention provides the multi-state power distribution equipment monitoring device which has the advantages of simple equipment, lower cost and convenience in recording and solves the technical problems in the background technology.
The invention provides the following technical scheme: the utility model provides a multistate distribution equipment monitoring devices, includes transformer base, transformer base's top fixedly connected with transformer housing, transformer housing's inside is equipped with the main oil tank, transformer housing's top fixedly connected with insulation support, insulation support's bottom fixedly connected with transformer coil, transformer housing's the front, the back and the equal fixedly connected with bellytank in both sides, bellytank's bottom fixedly connected with cooling tube, the middle fixedly connected with guide arm of main oil tank, the flotation pontoon has been cup jointed in the outside activity of guide arm, the bottom fixedly connected with oil level magnetic path of flotation pontoon, the inside swing joint of flotation pontoon has the temperature magnetic path, transformer housing's front fixedly connected with display piece, the back swing joint of display piece has little magnetic needle.
Preferably, the oil level magnetic block and the temperature magnetic block have opposite polarities, and expansion and contraction gas is stored between the oil level magnetic block and the temperature magnetic block.
Preferably, the small magnetic needle has magnetism, is positioned between the transformer shell and the display piece and can rotate freely, and two poles of the small magnetic needle have color distinction which can be distinguished obviously.
Preferably, the temperature magnetic block can move up and down in the buoy along the axis of the guide rod.
Preferably, the float can move up and down in the main oil tank along the axis of the guide rod.
Preferably, the display sheet is made of a transparent material and the front surface of the display sheet is provided with scales.
Preferably, the top end of the float bowl is provided with a hole so as to be communicated with the main oil tank.
The invention has the following beneficial effects:
1. according to the invention, the floating barrel is arranged in the main oil tank, the oil level magnetic block is arranged at the bottom end of the floating barrel to reflect the oil level in the main oil tank on the small magnetic needle outside the transformer, and the height position of the floating barrel is obtained by observing the overturning height position of the small magnetic needle, so that the liquid level height of the insulating oil in the main oil tank is obtained, and the leakage condition of the oil tank is judged to monitor the safety of the transformer oil tank.
2. According to the invention, the temperature magnet is additionally arranged in the buoy, the bottom of the buoy is sealed with the thermal expansion and contraction medium, the temperature magnet is driven to move up and down through the temperature change in the main oil tank, so that the distance between the temperature magnet and the oil level magnet correspondingly changes, and the temperature is reflected to the display sheet on the front side of the transformer through the overturning of the small magnetic needle, thereby realizing the monitoring of the temperature of the insulating oil in the oil tank and avoiding the transformer aging and oil injection accidents caused by the fact that the oil temperature is too high and cannot be found in time.
3. According to the invention, the oil temperature monitoring and the oil level monitoring are combined in the same monitoring device, so that the monitoring device is simpler and has lower cost, the complexity of daily recording of a recorder is reduced, and the monitoring efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side view of a low-temperature buoy;
FIG. 3 is a schematic side view of a buoy at high temperature.
In the figure: 1. a transformer base; 2. a transformer housing; 3. a main oil tank; 4. an insulating sleeve; 5. a transformer coil; 6. a secondary fuel tank; 7. a radiating pipe; 8. a guide bar; 9. a float bowl; 10. an oil level magnetic block; 11. a temperature magnetic block; 12. a display sheet; 13. a small magnetic needle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a multi-state power distribution equipment monitoring device includes a transformer base 1, a transformer housing 2 is fixedly connected to the top of the transformer base 1, a main oil tank 3 is arranged inside the transformer housing 2, an insulating sleeve 4 is fixedly connected to the top of the transformer housing 2, a transformer coil 5 is fixedly connected to the bottom of the insulating sleeve 4, auxiliary oil tanks 6 are fixedly connected to the front, the back and both sides of the transformer housing 2, heat dissipation pipes 7 are fixedly connected to the bottom of the auxiliary oil tanks 6, a guide rod 8 is fixedly connected to the middle of the main oil tank 3, a float bowl 9 is movably sleeved outside the guide rod 8, a magnetic oil level block 10 is fixedly connected to the bottom of the float bowl 9, a temperature magnetic block 11 is movably connected to the inside of the float bowl 9, a display sheet 12 is fixedly connected to the front of the transformer housing 2, and a small magnetic needle 13 is movably connected to the back of the display sheet 12.
The small magnetic needle 13 has magnetism, and can be freely rotated between the transformer shell 2 and the display piece 12, the two poles of the small magnetic needle 13 have color difference which can be obviously distinguished, so that the small magnetic needle 13 is uniformly turned to the inner side of the transformer under the action of the magnetic core in the transformer coil 5 without the action of the oil level magnetic block 10 and the temperature magnetic block 11, the float 9 can move up and down in the main oil tank 3 along the axis of the guide rod 8, when the oil level in the main oil tank 3 rises to enable the buoy 9 to float upwards, the oil level magnetic block 10 and the temperature magnetic block 11 move to one side of the small magnetic needle 13, the small magnetic needle 13 close to the oil level magnetic block 10 and the temperature magnetic block 11 is reversed under the action of the magnetic force, because two poles of the small magnetic needle 13 have color differences which can be distinguished obviously, a recorder can easily judge the liquid level height of the oil in the main oil tank 3 through the color change of the small magnetic needle 13, and the monitoring effect on the oil level in the transformer is realized.
The display sheet 12 is made of a transparent material and the front surface of the display sheet is provided with scales, so that the color change of the small magnetic needle 13 can be easily observed outside the transformer, and meanwhile, the liquid level value in the transformer can be easily read according to the comparison between the color change part and the scales on the front surface of the display sheet 12, so that whether the oil level in the oil tank is normal or not can be easily judged, and whether the oil leakage phenomenon occurs in the oil tank or not can be judged.
The polarity of the oil level magnet 10 is opposite to that of the temperature magnet 11, and expansion and contraction gas is stored between the oil level magnet 10 and the temperature magnet 11, wherein the expansion and contraction gas can be carbon dioxide or nitrogen gas with the property, when the temperature of oil in the main oil tank 3 rises, the gas between the oil level magnet 10 and the temperature magnet 11 expands due to heating, the temperature magnet 11 can move up and down in the float 9 along the axis of the guide rod 8, so that the temperature magnet 11 is pushed to move up, the distance between the oil level magnet 10 and the temperature magnet 11 is increased, when the temperature falls, the temperature magnet 11 falls back under the absorption of the oil level magnet 10, the distance between the oil level magnet 10 and the temperature magnet 11 is reduced, the oil level is displayed on the display piece 12 on the outer side through the polarity inversion of the small magnetic needle 13, a recorder can judge whether the temperature of the oil in the main oil tank 3 exceeds an early warning value through the distance between the two sections of the inverted small magnetic needles 13, thereby monitoring the temperature of the oil in the transformer.
The top end of the float bowl 9 is provided with a hole so as to be communicated with the main oil tank 3, so that the temperature magnetic block 11 cannot be obstructed by the air pressure on the upper side when moving upwards under the pushing of the gas in the float bowl 9, and the temperature magnetic block 11 can reflect the temperature of the insulating oil in the main oil tank 3 more accurately.
The use method (working principle) of the invention is as follows:
when the device is used, the device is arranged in a main oil tank 3, insulating oil is filled in the main oil tank 3, a buoy 9 floats up and down along the liquid level height of the insulating oil, a small magnetic needle 13 on the front surface of a transformer is influenced by a transformer coil 5 to uniformly turn to the inner side of the transformer, when the buoy 9 floats to one side of the small magnetic needle 13, the small magnetic needle 13 close to the position of an oil level magnetic block 10 is reversed, so that the color of one side exposed out of a display sheet 12 is changed, an observer can compare the position of the reversed small magnetic needle 13 with the scale on the display sheet 12 to record, the liquid level height of the insulating oil in the main oil tank 3 can be easily obtained, so that the condition of oil leakage is judged, if the insulating oil level is too low, the insulating oil is timely supplemented to prevent the transformer from being damaged, meanwhile, a temperature magnetic block 11 capable of floating up and down along a guide rod 8 is arranged in the buoy 9, and the expansion and contraction gas caused by the temperature rise of the insulating oil in the main oil tank 3 is expanded between the oil level magnetic block 10 and the temperature magnetic block 11, the temperature pushing magnetic block 11 overcomes the self gravity and moves upwards with the attraction force between the oil level magnetic block 10, so that the distance between the oil level magnetic block 10 and the temperature magnetic block 11 is increased, the two sections of overturning distances of the small magnetic needle 13 are correspondingly increased through the magnetic force action of the oil level magnetic block 10 and the temperature magnetic block 11 on the small magnetic needle 13, a recorder obtains the temperature value of the insulating oil in the main oil tank 3 by reading the distance between the two sections of overturning small magnetic needles 13 outside the transformer, and the temperature monitoring of the insulating oil in the transformer is realized.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a multistate distribution equipment monitoring devices, includes transformer base (1), its characterized in that: the transformer comprises a transformer base (1), a transformer shell (2) is fixedly connected to the top end of the transformer base (1), a main oil tank (3) is arranged inside the transformer shell (2), an insulating sleeve (4) is fixedly connected to the top end of the transformer shell (2), a transformer coil (5) is fixedly connected to the bottom end of the insulating sleeve (4), auxiliary oil tanks (6) are fixedly connected to the front side, the back side and the two sides of the transformer shell (2), radiating pipes (7) are fixedly connected to the bottom end of the auxiliary oil tanks (6), guide rods (8) are fixedly connected to the middle of the main oil tank (3), floating drums (9) are movably sleeved on the outer sides of the guide rods (8), the floating drums (9) can move up and down in the main oil tank (3) along the axis of the guide rods (8), oil level magnetic blocks (10) are fixedly connected to the bottom end of the floating drums (9), and temperature magnetic blocks (11) are movably connected to the inner portions of the floating drums (9), the axis that guide arm (8) can be followed in float bowl (9) to temperature magnetic path (11) reciprocates, the positive fixedly connected with display piece (12) of transformer housing (2), the back swing joint of display piece (12) has little magnetic needle (13), the polarity of oil level magnetic path (10) and temperature magnetic path (11) is opposite and has the expend with heat and contract with cold gas between the two, little magnetic needle (13) have magnetism, and lie in and rotate at will between transformer housing (2) and display piece (12), the two poles of the earth of little magnetic needle (13) have the colour difference that can obviously distinguish.
2. A multi-state power distribution equipment monitoring device as claimed in claim 1 wherein: the display sheet (12) is made of a transparent material and scales are arranged on the front surface of the display sheet.
3. A multi-state power distribution equipment monitoring device as claimed in claim 1 wherein: the top end of the float bowl (9) is provided with a hole to communicate with the main oil tank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011005644.1A CN112103044B (en) | 2020-09-22 | 2020-09-22 | Multi-state power distribution equipment monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011005644.1A CN112103044B (en) | 2020-09-22 | 2020-09-22 | Multi-state power distribution equipment monitoring device |
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| CN112103044A CN112103044A (en) | 2020-12-18 |
| CN112103044B true CN112103044B (en) | 2021-11-05 |
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| CN202011005644.1A Active CN112103044B (en) | 2020-09-22 | 2020-09-22 | Multi-state power distribution equipment monitoring device |
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| CN113838634B (en) * | 2021-09-10 | 2023-11-14 | 国网辽宁省电力有限公司抚顺供电公司 | Full-automatic on-line monitoring equipment for distribution transformer and crisis intervention method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10761079B2 (en) * | 2016-06-15 | 2020-09-01 | Mitsubishi Electric Corporation | Method of estimating overheating temperature of oil-immersed electric appliance |
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| JPH06151193A (en) * | 1992-10-30 | 1994-05-31 | Toshiba Corp | Oil-temperature measuring device for electric apparatus |
| CN204464955U (en) * | 2015-02-28 | 2015-07-08 | 沈阳鸿嘉达电气设备有限公司 | Transformer multifunctional protector |
| CN206002173U (en) * | 2016-08-30 | 2017-03-08 | 悦兴（厦门）生物科技有限公司 | A kind of automotive oil tank liquid level sensor |
| CN107478302A (en) * | 2017-07-25 | 2017-12-15 | 大连美天三有电子仪表有限公司 | Magnetic float liquidlevel meter |
| CN107941367A (en) * | 2017-12-20 | 2018-04-20 | 国网上海市电力公司 | 10kV distribution transformer oil temperatures oil level monitors and pressure release integrated apparatus |
| CN108387297A (en) * | 2018-04-13 | 2018-08-10 | 哈尔滨德利亚电子科技有限公司 | Liquid level control system, liquid level sensor and its control system |
| CN108716954A (en) * | 2018-05-22 | 2018-10-30 | 上海置信电气股份有限公司 | Antenna assembly and its connecting assembly |
| CN208366429U (en) * | 2018-06-26 | 2019-01-11 | 上海艾络格电子技术有限公司 | A kind of pipe type oil-level gauge |
| CN209342205U (en) * | 2018-12-28 | 2019-09-03 | 上海天沐自动化仪表有限公司 | Oil-level sensor |
| CN209980962U (en) * | 2019-08-19 | 2020-01-21 | 南京天源智能电气有限公司 | Three-phase digital distribution transformer |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10761079B2 (en) * | 2016-06-15 | 2020-09-01 | Mitsubishi Electric Corporation | Method of estimating overheating temperature of oil-immersed electric appliance |
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Effective date of registration: 20221228 Address after: No. 35 Jiefang Road, Liujiajing Community, Jinshi Town, Xinning County, Shaoyang City, Hunan Province 410016 Patentee after: Guodian power Hunan Langshan Wind Power Development Co.,Ltd. Address before: 526500 first floor of demolition and resettlement area a in Changzheng new area, Jiangkou street, Fengkai County, Zhaoqing City, Guangdong Province Patentee before: Zhaoqing Zhongcai electromechanical technology research and Development Co.,Ltd. |
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