CN110085391B - Automatic oil level controller for transformer - Google Patents
Automatic oil level controller for transformer Download PDFInfo
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- CN110085391B CN110085391B CN201910437116.4A CN201910437116A CN110085391B CN 110085391 B CN110085391 B CN 110085391B CN 201910437116 A CN201910437116 A CN 201910437116A CN 110085391 B CN110085391 B CN 110085391B
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- 239000000523 sample Substances 0.000 claims abstract description 47
- 238000004891 communication Methods 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims description 24
- 238000005086 pumping Methods 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Classifications
-
- 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
Abstract
The invention relates to an automatic oil level controller of a transformer, which comprises a box body, an equipment box arranged at the lower end of the box body, an oil storage tank and an oil level control box which are arranged above the equipment box side by side, a communication hole arranged between the oil storage tank and the oil level control box and an oil pump arranged in the equipment box and used for communicating the oil storage tank with the oil level control box, wherein a first oil level probe and a second oil level probe are arranged in the oil level control box; the oil level control box is communicated with the transformer conservator, the oil storage box is communicated with the oil level control box through the communicating hole, a certain amount of oil is added into the oil storage box when the oil level control box is used, and after the high and low oil levels are set, the oil level in the oil level control box is kept horizontal to the normal oil level in the transformer conservator and is positioned at the same height.
Description
Technical Field
The invention relates to the field of power equipment, in particular to an automatic oil level controller of a transformer.
Background
A Transformer (Transformer) is a device that changes an alternating-current voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like.
According to the application, the method can be divided into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.).
The oil conservator is an oil storage device for the transformer, when the volume of transformer oil expands or contracts along with the change of the oil temperature, the oil conservator plays the roles of oil storage and oil supplement, and can ensure that an oil tank is full of oil. When the oil temperature of the transformer rises due to load increase, the oil in the oil tank expands, and then excessive oil flows into the oil conservator.
Otherwise, when the temperature is reduced, the oil in the oil conservator flows into the oil tank again, and the effect of automatically adjusting the oil level is achieved. The side of the conservator is also provided with an oil level gauge which can monitor the change of the oil level.
Meanwhile, the oil conservator is arranged, so that the contact surface of the transformer and the air is reduced, and the moisture, dust and oxidized oil dirt absorbed from the air are deposited in the depositor at the bottom of the oil conservator, thereby greatly slowing down the degradation speed of the transformer oil.
Currently, the conservator mainly has three forms: corrugated, capsule, diaphragm.
Because the volume of the main transformer on-load voltage regulation conservator of the transformer substation is small, the oil level is greatly influenced by the environmental temperature and the load, the transformer is required to be converted into the maintenance state by maintenance personnel in winter when oil is added and oil is discharged in summer, the maintenance personnel use the oil pump to add and discharge the oil after climbing the transformer, the labor intensity is high, the safety factor is reduced, the potential safety hazard is caused to the personal safety and the equipment safety, and the power supply quantity is influenced by power failure.
Disclosure of Invention
The invention aims to solve the technical problem of providing the automatic transformer oil level controller which is simple in structure and can control the height of the oil level in the conservator to ensure that the oil level of the transformer is in a normal position.
The technical scheme adopted by the invention is as follows: the utility model provides a transformer oil level automatic control, it includes the box, set up the equipment box at the box lower extreme, set up batch oil tank and the oil level control box in the equipment box top side by side, set up the intercommunicating pore between batch oil tank and oil level control box and set up the oil pump that is used for communicateing batch oil tank and oil level control box in the equipment box, be provided with first oil level probe and second oil level probe in the oil level control box, first oil level probe is located second oil level probe top, highly being located between first oil level probe and the second oil level probe of intercommunicating pore, the oil level control box is linked together through the conservator of transformer conservator intercommunication valve and transformer.
Furthermore, an oil pumping port is arranged at the bottom end of the oil storage tank, an oil outlet is arranged at the bottom end of the oil level control box, and an oil pump is arranged between the oil pumping port and the oil outlet.
Furthermore, a liquid level controller is arranged in the equipment box, the input end of the liquid level controller is connected with the output ends of the first oil level probe and the second oil level probe, and the output end of the liquid level controller is connected with the oil pump.
Further, the oil storage tank vernier is arranged in the oil storage tank.
Furthermore, the oil level control box is internally provided with a control box vernier.
Furthermore, the oil storage tank is communicated with an oil filling pipe, and the oil filling pipe is provided with an oil filling pipe control valve for controlling the opening and closing of the oil filling pipe.
Furthermore, the oil level control box is communicated with a control pipe, and the transformer conservator communication valve is arranged at the end part of the control pipe.
Furthermore, the inside of the box body is divided into an equipment box, an oil storage box and an oil level control box by the partition plate.
Furthermore, the upper end of the oil level control box is provided with a breather.
Furthermore, the installation position of the communicating valve of the transformer conservator is lower than that of the second oil level probe.
The invention has the positive effects that: the oil level control box is communicated with the transformer conservator, the oil storage box is communicated with the oil level control box through the communicating hole, a certain amount of oil is added into the oil storage box when the oil level control box is used, and after the high and low oil levels are set, the oil level in the oil level control box is kept horizontal to the normal oil level in the transformer conservator and is positioned at the same height.
When the oil level of the transformer rises, the oil level in the oil level control box rises, and when the oil level rises to the position of the communicating hole, oil can automatically flow into the oil storage box, so that the liquid level height of the oil level control box and the liquid level height in the transformer can not exceed the position of the communicating hole all the time.
Because the oil pump is communicated between the oil storage tank and the oil level control tank, and the oil level probes are arranged on the upper side and the lower side of the communicating hole, when the oil level of the transformer is lowered, the oil level in the oil level control tank is lowered along with the oil pump, and when the oil level is lower than the second oil level probe, the liquid level controller receives a signal, starts the oil pump to pump oil from the oil storage tank to the oil level control tank, and ensures that the oil level of the transformer oil conservator is within a normal range.
And a liquid level controller is arranged in the equipment box, the input end of the liquid level controller is connected with the output ends of the first oil level probe and the second oil level probe, and the output end of the liquid level controller is connected with the oil pump.
By adopting automatic control, when the liquid level is lower, the oil pump is automatically triggered to pump oil from the oil outlet box to the oil level control box, so that automation is realized, and the use is more convenient.
Vernier scales are arranged in the oil storage tank and the oil level control box, and the liquid level height in the oil storage tank and the oil level control box can be conveniently determined.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A according to the present invention;
FIG. 3 is an enlarged view of a portion of the present invention shown in FIG. 1B;
FIG. 4 is an enlarged view of a portion of the present invention shown in FIG. 1C.
In the drawings, there is shown in the drawings,
1-box body, 2-partition board, 3-oil storage tank, 4-oil level control tank, 5-equipment tank, 6-oil filling pipe, 7-oil filling pipe control valve, 8-oil storage tank vernier scale, 9-communication hole, 10-first oil level probe, 11-control tank vernier scale, 12-second oil level probe, 13-control pipe, 14-transformer oil conservator communication valve, 15-oil pump, 16-oil pumping hole, 17-oil outlet, 18-liquid level controller and 19-respirator.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. 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 application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting.
Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
Example 1: as shown in fig. 1-4, the present invention comprises a tank body 1 and a partition plate 2 installed in the tank body 1, the partition plate 2 divides the internal space of the tank body 1 into an equipment tank 5, an oil storage tank 3 and an oil level control tank 4, the equipment tank 5 is located at the bottom end, the oil storage tank 3 and the oil level control tank 4 are located at the upper side of the equipment tank 5, a communicating hole 9 is arranged on the clapboard 2 between the oil storage tank 3 and the oil level control tank 4, an oil pump 15 is arranged in the equipment box 5, two ends of the oil pump 15 are respectively communicated with the oil storage tank 3 and the oil level control tank 4 through pipelines, a first oil level probe 10 and a second oil level probe 12 are arranged in the oil level control box 4, the first oil level probe 10 is positioned above the second oil level probe 12, the distance between the communication hole 9 and the bottom surface of the box body 1 is higher than the distance between the first oil level probe 10 and the second oil level probe 12, the oil level control box 4 is communicated with an oil conservator of the transformer through a transformer oil conservator communicating valve 14. The installation position of the transformer conservator communicating valve 14 is lower than that of the second oil level probe 12.
The oil level control box 4 is communicated with the oil conservator, so that the oil level in the oil conservator and the oil conservator is consistent in height, and the proper height of the position of the communicating hole 9 can ensure that the liquid level in the transformer oil conservator is proper and keeps in a normal range.
When the oil level rises, the oil level in the oil level control box 4 reaches the height of the communication hole 9 and flows into the oil storage tank 3 through the communication hole 9, so that the liquid level in the oil level control box 4 and the transformer does not exceed the position of the communication hole 9 all the time. When the liquid level in the oil level control box 4 is lowered to below the position of the second oil level probe 12, the oil pump 15 is operated to pump oil from the oil storage tank 3 into the oil level control box 4 to replenish the oil level so that the oil level reaches between the first oil level probe 10 and the second oil level probe 12.
An oil pumping port 16 is arranged at the bottom end of the oil storage tank 3, an oil outlet 17 is arranged at the bottom end of the oil level control tank 4, and an oil pump 15 is arranged between the oil pumping port 16 and the oil outlet 17. The oil pump 15 can convey the oil in the oil reservoir 3 to the oil level control tank 4.
A liquid level controller 18 is arranged in the equipment box 5, the input end of the liquid level controller 18 is connected with the output end of the first oil level probe 10 positioned at the second oil level probe 12, and the output end of the liquid level controller 18 is connected with the oil pump 15.
An oil filling pipe 6 is communicated with the oil storage tank 3, and an oil filling pipe control valve 7 is arranged on the oil filling pipe 6. A control pipe 13 is communicated with the oil level control tank 4, and a transformer conservator communication valve 14 is provided at an end of the control pipe 13.
Example 2: the present embodiment includes all the features of embodiment 1, that is, the present embodiment includes a tank 1, an equipment tank 5 disposed at the lower end of the tank 1, an oil storage tank 3 and an oil level control tank 4 disposed above the equipment tank 5 side by side, a communication hole 9 disposed between the oil storage tank 3 and the oil level control tank 4, and an oil pump 15 disposed in the equipment tank 5 for communicating the oil storage tank 3 and the oil level control tank 4, wherein a first oil level probe 10 and a second oil level probe 12 are disposed in the oil level control tank 4, the first oil level probe 10 is disposed above the second oil level probe 12, the communication hole 9 is located between the first oil level probe 10 and the second oil level probe 12, and the oil level control tank 4 is communicated with an oil conservator of a transformer through a transformer conservator communication valve 14.
An oil pumping port 16 is arranged at the bottom end of the oil storage tank 3, an oil outlet 17 is arranged at the bottom end of the oil level control tank 4, and an oil pump 15 is arranged between the oil pumping port 16 and the oil outlet 17.
A liquid level controller 18 is arranged in the equipment box 5, the input end of the liquid level controller 18 is connected with the output end of the first oil level probe 10 positioned at the second oil level probe 12, and the output end of the liquid level controller 18 is connected with the oil pump 15. The oil storage tank 3 is communicated with an oil filling pipe 6, the oil filling pipe 6 is provided with an oil filling pipe control valve 7, the oil level control tank 4 is communicated with a control pipe 13, a transformer conservator communication valve 14 is arranged at the end part of the control pipe 13, a partition plate 2 is arranged in the tank body 1, the interior of the tank body 1 is divided into an equipment tank 5, the oil storage tank 3 and the oil level control tank 4 through the partition plate 2, and the installation position of the transformer conservator communication valve 14 is lower than that of the second oil level probe 12.
Besides, this embodiment has increased the batch oil tank vernier 8 in the batch oil tank 3 increase control box vernier 11 in the oil level control box 4, can be convenient for observe the oil level in batch oil tank 3 and the oil level control box more. And a breather 19 is arranged at the upper end of the oil level control box 4.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. An automatic oil level controller of a transformer is characterized by comprising a box body (1), an equipment box (5) arranged at the lower end of the box body (1), an oil storage tank (3) and an oil level control box (4) which are arranged above the equipment box (5) side by side, a communication hole (9) arranged between the oil storage tank (3) and the oil level control box (4) and an oil pump (15) arranged in the equipment box (5) and used for communicating the oil storage tank (3) and the oil level control box (4), a first oil level probe (10) and a second oil level probe (12) are arranged in the oil level control box (4), the first oil level probe (10) is positioned above the second oil level probe (12), the height of the communication hole (9) is positioned between the first oil level probe (10) and the second oil level probe (12), the oil level control box (4) is communicated with an oil conservator of the transformer through a transformer oil conservator communicating valve (14);
the installation position of the transformer conservator communicating valve (14) is lower than the second oil level probe (12).
2. The automatic transformer oil level controller according to claim 1, wherein an oil pumping port (16) is arranged at the bottom end of the oil storage tank (3), an oil outlet (17) is arranged at the bottom end of the oil level control tank (4), and an oil pump (15) is arranged between the oil pumping port (16) and the oil outlet (17).
3. The automatic oil level controller of the transformer according to claim 1 or 2, characterized in that a liquid level controller (18) is arranged in the equipment box (5), the input end of the liquid level controller (18) is connected with the output ends of the first oil level probe (10) and the second oil level probe (12), and the output end of the liquid level controller (18) is connected with the oil pump (15).
4. The automatic controller for oil level of transformer according to claim 1 is characterized in that a reservoir vernier (8) is arranged in the reservoir (3).
5. The automatic transformer oil level controller according to claim 1, characterized in that a control box vernier (11) is arranged in the oil level control box (4).
6. The automatic oil level controller of the transformer according to claim 1, characterized in that an oil filling pipe (6) is communicated with the oil storage tank (3), and an oil filling pipe control valve (7) is arranged on the oil filling pipe (6).
7. The automatic transformer oil level controller according to claim 1, characterized in that a control pipe (13) is communicated with the oil level control box (4), and a transformer conservator communication valve (14) is arranged at the end of the control pipe (13).
8. The automatic oil level controller of the transformer according to claim 1, characterized in that a partition plate (2) is arranged in the tank (1), and the inside of the tank (1) is divided into an equipment tank (5), an oil storage tank (3) and an oil level control tank (4) through the partition plate (2).
9. The automatic transformer oil level controller according to any one of claims 4-8, characterized in that a breather (19) is arranged at the upper end of the oil level control box (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910437116.4A CN110085391B (en) | 2019-05-24 | 2019-05-24 | Automatic oil level controller for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910437116.4A CN110085391B (en) | 2019-05-24 | 2019-05-24 | Automatic oil level controller for transformer |
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| Publication Number | Publication Date |
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| CN110085391A CN110085391A (en) | 2019-08-02 |
| CN110085391B true CN110085391B (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910437116.4A Active CN110085391B (en) | 2019-05-24 | 2019-05-24 | Automatic oil level controller for transformer |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202453746U (en) * | 2012-02-23 | 2012-09-26 | 宁波东博电力科技有限公司 | Automatic oil level regulating system of transformer |
| CN203573781U (en) * | 2013-10-18 | 2014-04-30 | 芜湖金牛电气股份有限公司 | Transformer oil storage device |
| CN204178868U (en) * | 2014-10-29 | 2015-02-25 | 湘潭华夏特种变压器有限公司 | The auto-oiled Fuel Tanking Unit of a kind of transformer |
| WO2017002128A1 (en) * | 2015-07-01 | 2017-01-05 | Balkrishna Potnis Shrikant | Regenerating breathers system |
| CN208561915U (en) * | 2018-06-08 | 2019-03-01 | 蚌埠市海峰印刷有限责任公司 | A kind of environmental protection self-loopa platemaking machine |
-
2019
- 2019-05-24 CN CN201910437116.4A patent/CN110085391B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202453746U (en) * | 2012-02-23 | 2012-09-26 | 宁波东博电力科技有限公司 | Automatic oil level regulating system of transformer |
| CN203573781U (en) * | 2013-10-18 | 2014-04-30 | 芜湖金牛电气股份有限公司 | Transformer oil storage device |
| CN204178868U (en) * | 2014-10-29 | 2015-02-25 | 湘潭华夏特种变压器有限公司 | The auto-oiled Fuel Tanking Unit of a kind of transformer |
| WO2017002128A1 (en) * | 2015-07-01 | 2017-01-05 | Balkrishna Potnis Shrikant | Regenerating breathers system |
| CN208561915U (en) * | 2018-06-08 | 2019-03-01 | 蚌埠市海峰印刷有限责任公司 | A kind of environmental protection self-loopa platemaking machine |
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| CN110085391A (en) | 2019-08-02 |
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