CN114141486A - Natural ester insulating oil transformer oil tank - Google Patents
Natural ester insulating oil transformer oil tank Download PDFInfo
- Publication number
- CN114141486A CN114141486A CN202111406027.7A CN202111406027A CN114141486A CN 114141486 A CN114141486 A CN 114141486A CN 202111406027 A CN202111406027 A CN 202111406027A CN 114141486 A CN114141486 A CN 114141486A
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- China
- Prior art keywords
- tank structure
- oil tank
- oil
- transformer
- side wall
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Links
- 150000002148 esters Chemical class 0.000 title claims abstract description 27
- 230000035939 shock Effects 0.000 claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims abstract description 4
- 239000004576 sand Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 claims 2
- 238000013016 damping Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
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 provides a transformer oil tank of natural ester insulating oil, which comprises a first oil tank structure, a first oil tank structure and a shock absorption assembly. The first oil tank structure is provided with a first containing groove; setting the length direction of the first oil tank structure as a first direction, and setting the horizontal direction vertical to the first direction as a second direction; the second oil tank structure is provided with a second containing groove, the second oil tank structure is positioned at the lower end of the first oil tank structure, and the second containing groove and the first containing groove enclose to form an accommodating cavity for accommodating the transformer; the length of the second oil tank structure along the first direction is smaller than that of the first oil tank structure, and the length of the second oil tank structure along the second direction is smaller than that of the first oil tank structure; the shock absorbing structure is used for absorbing the vibration of a combined body formed by the first oil tank structure and the second oil tank structure. The invention provides a transformer oil tank of natural ester insulating oil, and aims to solve the technical problems of low joint degree and weak damping function of an oil tank structure of a transformer and internal components of the transformer.
Description
Technical Field
The invention belongs to the technical field of transformer manufacturing, and particularly relates to a natural ester insulating oil transformer oil tank.
Background
With the rapid development of national economy in China, the requirement on power supply quality is higher and higher. The natural ester insulating oil is applied to the oil-immersed power transformer instead of mineral insulating oil, can obviously improve the environmental protection and fire prevention safety of the transformer, can prolong the insulating life of the transformer and improve the load capacity of the transformer, represents the development direction of advanced environment-friendly transformers, and meets the requirements of green power grids and ecological civilization construction in China.
In the prior art, the oil tank structure of the transformer is low in laminating degree with the internal components of the transformer, large in size, heavy in weight, material-wasting and weak in damping function.
Disclosure of Invention
The embodiment of the invention provides a transformer oil tank of natural ester insulating oil, and aims to solve the technical problems of low adhesion degree and weak damping function of an oil tank structure of a transformer and internal components of the transformer.
In order to achieve the purpose, the invention adopts the technical scheme that: provided is a natural ester insulating oil transformer tank, including:
the first oil tank structure is provided with a first containing groove; setting the length direction of the first oil tank structure as a first direction, and setting the horizontal direction perpendicular to the first direction as a second direction;
the second oil tank structure is provided with a second containing groove, the second oil tank structure is positioned at the lower end of the first oil tank structure, and after the second oil tank structure is detachably connected with the first oil tank structure, the second containing groove and the first containing groove are enclosed to form an accommodating cavity for accommodating a transformer; the length of the second tank structure in the first direction is smaller than that of the first tank structure, and the length of the second tank structure in the second direction is smaller than that of the first tank structure; and
and the shock absorption structure is arranged on the first oil tank structure and is used for absorbing the vibration effect of a combined body formed by the first oil tank structure and the second oil tank structure.
In one possible implementation, the cross section of the first tank structure in the horizontal direction is an octagon; the first upper side wall surface is parallel to the second upper side wall surface and is arranged along the first direction;
the bottom of first oil tank structure be equipped with the first connection terminal surface of second oil tank structure detachable connection.
In one possible implementation, the cross section of the second tank structure along the horizontal direction is hexagonal; the first lower side wall surface is parallel to the second lower side wall surface, and the second lower side wall surface is parallel to the first lower side wall surface and is arranged along the first direction; the length of the first lower side wall surface along the first direction is less than the length of the first upper side wall surface;
the top of the second oil tank structure is provided with a second connecting end face detachably connected with the first oil tank structure.
In a possible implementation manner, along the second direction, the length of one of the second lower side walls is greater than that of the other second lower side wall;
along the first direction, the spacing distance between the two second lower side walls is smaller than the spacing distance between the two second upper side walls.
In one possible implementation manner, the first oil tank structure is provided with a plurality of pipe joints for connecting radiators, which are uniformly arranged at intervals, and the plurality of pipe joints for connecting the radiators are arranged along a first direction.
In a possible implementation manner, the first oil tank structure further includes a low-pressure bushing raising seat and a high-pressure bushing raising seat, the low-pressure bushing raising seat is used for raising a low-pressure bushing, and the high-pressure bushing raising seat is used for raising a high-pressure bushing.
In a possible implementation manner, a plurality of damping grooves are arranged on the first upper side wall surface at uniform intervals.
In one possible implementation, the suspension structure includes:
the ring sleeve is fixedly sleeved on the outer side wall of the first oil tank structure and is provided with a sealing cavity; and
the sealing cavity is filled with sand grains, and the sand grains jump in the sealing cavity to offset the vibration effect of the first oil tank structure, the second oil tank structure and the ring sleeve which are combined to form a whole.
The natural ester insulating oil transformer oil tank provided by the invention has the beneficial effects that: compared with the prior art, through setting up first oil tank structure, first oil tank structure is equipped with first splendid attire groove. Set up second oil tank structure, second oil tank structure is equipped with the second splendid attire groove, and the second oil tank structure can dismantle with first oil tank structure and be connected the back, and the second splendid attire groove encloses with first splendid attire groove and closes formation holding chamber, and the holding chamber is used for supplying the transformer to place. The length of second oil tank structure is less than the length of first oil tank structure, and corresponding material to the second oil tank can be guaranteed to this kind of structure and is practiced thrift, reduces holistic weight, the transportation of being convenient for, and the second splendid attire groove that corresponds moreover also can be corresponding reduces, reduces the use amount of natural ester insulating oil, can guarantee moreover with the laminating degree of transformer. The shock-proof structure arranged on the first oil tank structure can absorb the vibration generated in the working process of the assembly formed by the first oil tank structure and the second oil tank structure, so that the noise reduction and shock resistance of the transformer are improved.
Drawings
Fig. 1 is a schematic structural diagram of a transformer tank for natural ester insulating oil according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of a transformer tank for natural ester insulating oil according to an embodiment of the present invention;
fig. 3 is a third schematic structural diagram of a transformer tank using natural ester insulating oil according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a ring sleeve of a natural ester insulating oil transformer tank according to an embodiment of the present invention.
Description of reference numerals: 10. a first tank structure; 11. a first upper side wall surface; 12. a high-voltage bushing raising seat; 13. a low-pressure bushing raising seat; 14. a pipe joint for connecting the radiator; 15. a first connection end face; 16. a second upper side wall surface; 17. a damping groove; 20. a second tank structure; 21. a first lower sidewall surface; 22. a second lower side wall surface; 23. a second connection end face; 30. a shock absorbing structure; 31. a loop is provided.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that the terms "length," "width," "height," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "head," "tail," and the like, indicate orientations or positional relationships that are based on the orientations or positional relationships illustrated in the drawings, are used for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the invention.
It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Further, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 4 together, the oil tank of the natural ester insulating oil transformer according to the present invention will now be described. The transformer tank comprises a first tank structure 10, a second tank structure 20 and a shock absorption structure 30.
The first tank structure 10 is provided with a first receiving trough. The longitudinal direction of the first tank structure 10 is set to a first direction, and the horizontal direction perpendicular to the first direction is set to a second direction.
The second tank structure 20 is provided with a second receiving trough. Second oil tank structure 20 is located the lower extreme of first oil tank structure 10, and second oil tank structure 20 can dismantle with first oil tank structure 10 and be connected the back, and second splendid attire groove encloses with first splendid attire groove and closes formation holding chamber, and the holding chamber is used for supplying the transformer to place. The length of the second tank structure 20 in the first direction is smaller than the length of the first tank structure 10, and the length of the second tank structure 20 in the second direction is smaller than the length of the first tank structure 10.
The shock absorbing structure 30 is disposed on the first tank structure 10 and is used for absorbing vibration generated by a combination of the first tank structure 10 and the second tank structure 20 during operation of the transformer.
Compared with the prior art, the natural ester insulating oil transformer oil tank provided by the embodiment of the invention is provided with the first oil tank structure, and the first oil tank structure is provided with the first containing groove. Set up second oil tank structure, second oil tank structure is equipped with the second splendid attire groove, and the second oil tank structure can dismantle with first oil tank structure and be connected the back, and the second splendid attire groove encloses with first splendid attire groove and closes formation holding chamber, and the holding chamber is used for supplying the transformer to place. The length of second oil tank structure is less than the length of first oil tank structure, and corresponding material to the second oil tank can be guaranteed to this kind of structure and is practiced thrift, reduces holistic weight, the transportation of being convenient for, and the second splendid attire groove that corresponds moreover also can be corresponding reduces, reduces the use amount of natural ester insulating oil, can guarantee moreover with the laminating degree of transformer. The shock-proof structure arranged on the first oil tank structure can absorb the vibration generated in the working process of the assembly formed by the first oil tank structure and the second oil tank structure, so that the noise reduction and shock resistance of the transformer are improved.
In some embodiments, referring to fig. 1 to 3, the cross section of the first tank structure 10 along the horizontal direction is octagonal. The first upper wall 11 has two first upper walls 11, and the two first upper walls 11 are parallel and arranged along a first direction. And two second upper side wall surfaces 16, the two second upper side wall surfaces 16 being parallel and arranged along the second direction.
The bottom of the first tank structure 10 is provided with a first connecting end surface 15 detachably connected with the second tank structure 20.
In this embodiment, the first tank structure 10 is provided with two first upper side wall surfaces 11 arranged in parallel, and the two first upper side wall surfaces 11 are arranged along the first direction. The first tank structure 10 is further provided with two second upper side wall surfaces 16 arranged in parallel, the two second upper side wall surfaces 16 being arranged along the second direction. The cross section of the first oil tank structure 10 along the horizontal direction is octagonal, and the first oil tank structure 10 is matched with each component of the transformer in a fitting manner, so that the space is saved, the cost is saved, and the transportation and the maintenance are facilitated.
In some embodiments, referring to fig. 1 to 3, the cross section of the second tank structure 20 along the horizontal direction is hexagonal. The first and second side walls 21 and 22 are parallel to each other and arranged in the first direction and the second direction, respectively. The length of the first lower wall surface 21 along the first direction is smaller than the length of the first upper wall surface 11.
The second tank structure 20 is provided at the top with a second connection end surface 23 detachably connected to the first tank structure 10.
In this embodiment, the second tank structure 20 is provided with two first lower sidewall surfaces 21 arranged in parallel, and the two first lower sidewall surfaces 21 are arranged along the first direction. The second tank structure 20 is further provided with two second lower side wall surfaces 22 arranged in parallel, the two second lower side wall surfaces 22 being arranged along the second direction. Second tank structure 20 is the hexagon along horizontal direction's cross section, and second tank structure 20 and each component laminating adaptation of transformer practice thrift the space, save the cost, are convenient for transportation and maintenance.
In some embodiments, the first connecting end surface 15 and the second connecting end surface 23 are detachably connected by some kind of locking member.
In some embodiments, referring to fig. 1 to 3, along the second direction, the length of one of the second lower sidewalls 22 is greater than the length of the other second lower sidewall 22. The distance of separation of the two second lower side wall surfaces 22 is smaller than the distance of separation of the two second upper side wall surfaces 16 along the first direction.
In this embodiment, along the first direction, the distance between the two second lower side wall surfaces 22 is smaller than the distance between the two second upper side wall surfaces 16, so that the width of the second containing groove along the first direction is smaller than the width of the first containing groove along the first direction, along the second direction, the length of one of the second lower side wall surfaces 22 is greater than the length of the other second lower side wall surface 22, and the cross section of the second oil tank structure 20 along the horizontal direction is hexagonal, thereby reducing the overall weight of the device, reducing the usage amount of the natural ester insulating oil, and saving the cost.
In some embodiments, referring to fig. 1 to 3, a plurality of radiator connecting pipe joints 14 are provided on the first tank structure 10, and the radiator connecting pipe joints 14 are uniformly spaced along the first direction. In this embodiment, the plurality of pipe joints 14 for connecting the radiators are arranged at regular intervals in the first direction, so that the heat dissipation speed of the transformer is increased, and the heat dissipation efficiency of the transformer is improved.
In some embodiments, referring to fig. 1, the first tank structure 10 further includes a low-pressure bushing elevated seat 13 and a high-pressure bushing elevated seat 12. The low-voltage bushing raising seat 13 is used to raise the low-voltage bushing, and the high-voltage bushing raising seat 12 is used to raise the high-voltage bushing. In this embodiment, the low-voltage bushing raising seat 13 and the high-voltage bushing raising seat 12 are disposed on the first oil tank structure 10, so that the low-voltage bushing is raised by the low-voltage bushing raising seat 13, and the high-voltage bushing is raised by the high-voltage bushing raising seat 12, thereby reducing the overall height of the oil tank, saving the natural ester insulating oil, and saving the cost.
In some embodiments, referring to fig. 1 to 3, the first upper side wall 11 is provided with a plurality of damping grooves 17 uniformly spaced apart from each other. Optionally, the damping groove 17 is filled with sand which jumps in the damping groove 17 to counteract vibration generated by the combination of the first tank structure 10 and the second tank structure 20 during the operation of the transformer, and the noise can be reduced, and the practicability is high.
In some embodiments, referring to fig. 1 and 4, the shock absorbing structure 30 includes a ring 31 and sand. The collar 31 is fixed to the outer side wall of the first tank structure 10, and the collar 31 has a seal cavity. Sand fills the sealed chamber and jumps within the sealed chamber to counteract the overall vibratory effect of the combination of the first tank structure 10, the second tank structure 20 and the collar 31. Alternatively, the collar 31 has a first vertical surface and a second vertical surface abutting against the second upper side wall surface. The first elevation and the second elevation enclose a loop 31. The collar 31 is adapted to the shape of the first tank structure 10. The sand grains are dry and clean sand grains without corrosive substances. In this embodiment, the ring sleeve 31 has a sealed cavity for containing sand to prevent sand leakage, and the sand jumps in the sealed cavity to offset the overall vibration effect formed by the combination of the first tank structure 10, the second tank structure 20 and the ring sleeve 31, and reduce noise, thereby improving the noise reduction and shock resistance of the transformer.
In some embodiments, referring to fig. 1 to 3, the height of the first containing groove in the vertical direction is greater than the height of the second containing groove in the vertical direction.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A natural ester insulating oil transformer tank, comprising:
the first oil tank structure is provided with a first containing groove; setting the length direction of the first oil tank structure as a first direction, and setting the horizontal direction perpendicular to the first direction as a second direction;
the second oil tank structure is provided with a second containing groove, the second oil tank structure is positioned at the lower end of the first oil tank structure, and after the second oil tank structure is detachably connected with the first oil tank structure, the second containing groove and the first containing groove are enclosed to form an accommodating cavity for accommodating a transformer; the length of the second tank structure in the first direction is smaller than that of the first tank structure, and the length of the second tank structure in the second direction is smaller than that of the first tank structure; and
and the shock absorption structure is arranged on the first oil tank structure and is used for absorbing the vibration effect of a combined body formed by the first oil tank structure and the second oil tank structure.
2. The natural ester insulating oil transformer tank of claim 1, wherein a cross-section of the first tank structure in a horizontal direction is octagonal; the first upper side wall surface is parallel to the second upper side wall surface and is arranged along the first direction;
the bottom of first oil tank structure be equipped with the first connection terminal surface of second oil tank structure detachable connection.
3. The natural ester insulating oil transformer tank of claim 2, wherein the second tank structure has a hexagonal cross-section in a horizontal direction; the first lower side wall surface is parallel to the second lower side wall surface, and the second lower side wall surface is parallel to the first lower side wall surface and is arranged along the first direction; the length of the first lower side wall surface along the first direction is less than the length of the first upper side wall surface;
the top of the second oil tank structure is provided with a second connecting end face detachably connected with the first oil tank structure.
4. The natural ester insulating oil transformer tank of claim 3, wherein along the second direction, a length of one of the second lower sidewalls is greater than a length of the other of the second lower sidewalls;
along the first direction, the spacing distance between the two second lower side walls is smaller than the spacing distance between the two second upper side walls.
5. The natural ester insulating oil transformer tank of claim 2, wherein said first tank structure is provided with a plurality of radiator connecting fittings disposed at regular intervals, and a plurality of said radiator connecting fittings are arranged in a first direction.
6. The natural ester insulated oil transformer tank of claim 5, wherein the first tank structure further comprises a low-voltage bushing elevation seat for elevating a low-voltage bushing and a high-voltage bushing elevation seat for elevating a high-voltage bushing.
7. The tank of a transformer for natural ester insulating oil as defined in claim 2, wherein said first upper wall surface is provided with a plurality of shock-absorbing grooves at regular intervals.
8. The natural ester insulating oil transformer tank of claim 1, wherein the shock absorbing structure comprises:
the ring sleeve is fixedly sleeved on the outer side wall of the first oil tank structure and is provided with a sealing cavity; and
the sealing cavity is filled with sand grains, and the sand grains jump in the sealing cavity to offset the vibration effect of the first oil tank structure, the second oil tank structure and the ring sleeve which are combined to form a whole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111406027.7A CN114141486B (en) | 2021-11-24 | 2021-11-24 | Natural ester insulating oil transformer tank |
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CN202111406027.7A CN114141486B (en) | 2021-11-24 | 2021-11-24 | Natural ester insulating oil transformer tank |
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CN114141486A true CN114141486A (en) | 2022-03-04 |
CN114141486B CN114141486B (en) | 2024-01-05 |
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Cited By (1)
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---|---|---|---|---|
CN114660429A (en) * | 2022-05-19 | 2022-06-24 | 保定天威保变电气股份有限公司 | Device and method for testing insulation strength between transformer coil sections |
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2021
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