CN109741911B - Transformer oil tank and cooling method - Google Patents
Transformer oil tank and cooling method Download PDFInfo
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- CN109741911B CN109741911B CN201910132555.4A CN201910132555A CN109741911B CN 109741911 B CN109741911 B CN 109741911B CN 201910132555 A CN201910132555 A CN 201910132555A CN 109741911 B CN109741911 B CN 109741911B
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- 238000001816 cooling Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- 230000017525 heat dissipation Effects 0.000 claims abstract description 64
- 238000011084 recovery Methods 0.000 claims abstract description 17
- 230000002093 peripheral Effects 0.000 claims abstract description 16
- 239000003921 oil Substances 0.000 claims description 78
- 239000010724 circulating oil Substances 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000001704 evaporation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000002035 prolonged Effects 0.000 description 1
Abstract
The invention discloses a transformer oil tank and a cooling method, and relates to the technical field of transformers. The invention comprises a heat dissipation oil pipe assembly, a connecting pipe, a circulating pump, a cold water tank, a recovery pipe and a fixing frame; the heat dissipation oil pipe assembly comprises a plurality of heat dissipation oil pipes, and the plurality of heat dissipation oil pipes are connected through a fixing frame; both ends of the heat dissipation oil pipe are connected with the connecting pipe; one end of the connecting pipe is connected with the circulating pump; the heat dissipation water pipe is arranged on the peripheral side face of the heat dissipation oil pipe and connected with the cold water tank through the recovery pipe. The transformer oil tank is arranged into a tubular assembly structure, so that the heat dissipation efficiency of the oil tank is improved, the cooling oil is prevented from leaking due to thermal expansion by arranging the extension pipe, and the heat dissipation efficiency of the oil tank is further improved by arranging the wet pipe structure on the outer surface of the pipe fitting and utilizing the characteristic of water evaporation and heat absorption.
Description
Technical Field
The invention belongs to the technical field of transformers, and particularly relates to a transformer oil tank and a cooling method.
Background
In order to maintain the transformer at a stable temperature, different heat dissipation devices are usually disposed on the transformer. The oil-immersed transformer is provided with an oil tank on the transformer, the heat of the transformer reaches the cooling effect through the movement of the radiating fins on the surface and the cooling oil in the transformer under the action of the heat, but the cooling efficiency is lower, and the service life of the transformer is not prolonged favorably.
Disclosure of Invention
The invention aims to provide a transformer oil tank and a cooling method, wherein the transformer oil tank is arranged into a tubular assembly structure, so that the heat dissipation efficiency of the oil tank is improved, cooling oil is prevented from leaking due to thermal expansion by arranging an extension pipe, and the heat dissipation efficiency of the oil tank is further improved by utilizing the characteristic of water evaporation and heat absorption by arranging a wet pipe structure on the outer surface of a pipe fitting.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a transformer oil tank and a cooling method, comprising a heat dissipation oil pipe assembly, a connecting pipe, a circulating pump, a cold water tank, a recovery pipe and a fixing frame, wherein the heat dissipation oil pipe assembly comprises a plurality of heat dissipation oil pipes; the plurality of heat dissipation oil pipes are connected through a fixing frame; both ends of the heat dissipation oil pipe are connected with the connecting pipe; one end of the connecting pipe is connected with the circulating pump; the cold water tank is arranged below the heat dissipation oil pipe assembly; the cold water tank is connected with the heat dissipation oil pipe assembly through a recovery pipe;
the heat dissipation oil pipe comprises a circulating oil pipe, a bend pipe and a heat dissipation water pipe; the circulating oil pipe is a wave-shaped pipe fitting; the peripheral side surface of the circulating oil pipe is connected with the extension pipe; the extension pipe is of a J-shaped pipe structure; the heat dissipation water pipe is arranged on the peripheral side surface of the circulating oil pipe;
a trunk port and a plurality of branch ports are formed in the peripheral side surface of the connecting pipe; the number of the branch ports is adapted to the number of the heat dissipation oil pipes; the dry port is connected with a circulating pump;
a water inlet, a water outlet, a heat dissipation water hole and a water pump are arranged on the peripheral side surface of the cold water tank; the heat dissipation water hole is connected with a heat dissipation water pipe; the heat dissipation water hole is connected with the water pump; the upper surface of the cold water tank is provided with a plurality of openings, and the openings are connected with one end of a recovery pipe; the other end of the recovery pipe is connected with the peripheral side face of the heat dissipation oil pipe.
Preferably, the heat dissipation water pipe is arranged at the upper end of the heat dissipation oil pipe, and a plurality of holes are formed in the peripheral side face of the heat dissipation water pipe.
Preferably, the bent end of the extension pipe is provided with a dust cover.
Preferably, the transformer oil tank is also provided with a microprocessor, a temperature detector and a water level detector; the temperature detector is connected with the outer surface of the transformer; the water level detector is arranged on the inner surface of the cold water tank; the microprocessor is electrically connected with the circulating pump, the water pump, the temperature detector and the water level detector respectively.
Preferably, the recovery pipe is disposed at the lowest point of the heat-dissipating oil pipe.
A cooling method of a transformer oil tank comprises the following steps:
SS 01: when the temperature sensor monitors that the temperature of the transformer rises, the temperature sensor starts to prepare for cooling;
SS 02: circulating pumps at two ends of the heat dissipation oil pipe assembly start to work simultaneously and are communicated with cooling oil in the transformer to form oil circuit circulation;
SS 031: the water pump sends the water in the cold water tank into the heat dissipation water pipe to spread on the outer surface of the heat dissipation oil pipe assembly through the opening on the surface of the heat dissipation water pipe, and the purpose that the transformer oil tank dissipates heat to the transformer is achieved.
The invention has the following beneficial effects:
the transformer oil tank is arranged into a tubular assembly structure, so that the heat dissipation efficiency of the oil tank is improved, the cooling oil is prevented from leaking due to thermal expansion by arranging the extension pipe, and the heat dissipation efficiency of the oil tank is further improved by arranging the wet pipe structure on the outer surface of the pipe fitting and utilizing the characteristic of water evaporation and heat absorption.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a transformer tank;
FIG. 2 is a schematic view of a radiator oil tube structure;
FIG. 3 is a side view of a radiator oil tube;
FIG. 4 is a schematic view of the cross-sectional structure A-A of FIG. 3;
FIG. 5 is a schematic view of a fixing frame;
FIG. 6 is a schematic view of a connecting tube;
FIG. 7 is a top view of the connecting tube;
FIG. 8 is a schematic view of the cross-sectional structure B-B in FIG. 7;
FIG. 9 is a schematic view showing an internal structure of a cold water tank;
FIG. 10 is a plan view of the inside of the cold water tank;
fig. 11 is a flow chart of a method for cooling a transformer tank.
In the drawings, the components represented by the respective reference numerals are listed below:
1-heat dissipation oil pipe assembly, 2-connecting pipe, 3-circulating pump, 4-cold water tank, 5-recovery pipe, 6-fixing frame, 101-circulating oil pipe, 102-extension pipe, 103-heat dissipation water pipe, 201-branch port, 202-dry port, 401-water inlet, 402-water outlet, 403-heat dissipation water hole and 404-water pump.
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "top," "middle," "inner," "around," and the like are used in an orientation or positional relationship merely to facilitate the description of the invention and to simplify the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting the present invention.
The first embodiment is as follows:
referring to fig. 1, the present invention is a transformer tank and a cooling method thereof, including a heat-dissipating oil pipe assembly 1, a connecting pipe 2, a circulating pump 3, a cold water tank 4, a recovery pipe 5 and a fixing frame 6, wherein the heat-dissipating oil pipe assembly 1 includes a plurality of heat-dissipating oil pipes; a plurality of heat dissipation oil pipes are connected through a fixing frame 6; both ends of the heat dissipation oil pipe are connected with the connecting pipe 2; one end of the connecting pipe 2 is connected with the circulating pump 3; the cold water tank 4 is arranged below the heat radiation oil pipe assembly 1; the cold water tank 4 is connected with the heat radiation oil pipe assembly 1 through a recovery pipe 5.
As shown in fig. 2 to 5, the heat radiation oil pipe includes a circulation oil pipe 101, a bent pipe 102, and a heat radiation water pipe 103; the circulating oil pipe 101 is a wave-shaped pipe fitting; the peripheral side surface of the circulating oil pipe 101 is connected with a bent extension pipe 102; the extension pipe 102 is of a J-shaped pipe structure; the heat radiation water pipe 103 is provided on the circumferential side surface of the circulation oil pipe 101.
As shown in fig. 6-8, the circumferential side surface of the connecting tube 2 is provided with a trunk 202 and a plurality of branch ports 201; the number of the branch ports 201 is adapted to the number of the heat radiation oil pipes; the dry port 202 is connected to the circulation pump 3.
As shown in fig. 9-10, the circumferential side of the cold water tank 4 is provided with a water inlet 401, a water outlet 402, a heat dissipating water hole 403 and a water pump 404; the heat dissipation water hole 403 is connected with the heat dissipation water pipe 103; the heat dissipation water hole 403 is connected with a water pump 404; the upper surface of the cold water tank 4 is provided with a plurality of openings, and the openings are connected with one end of the recovery pipe 5; the other end of the recovery pipe 5 is connected with the peripheral side surface of the heat radiation oil pipe.
Wherein, the heat radiation water pipe 103 is arranged at the upper end of the heat radiation oil pipe, and a plurality of openings are arranged on the peripheral side surface of the heat radiation water pipe 103.
Wherein, the bent end of the extension pipe 102 is provided with a dust cover.
The transformer oil tank is also provided with a microprocessor, a temperature detector and a water level detector; the temperature detector is connected with the outer surface of the transformer; the water level detector is arranged on the inner surface of the cold water tank 4; the microprocessor is electrically connected with the circulating pump 3, the water pump 404, the temperature detector and the water level detector respectively.
Wherein, the recovery pipe 5 is arranged at the lowest point of the heat radiation oil pipe.
Example two:
referring to fig. 11, a method for cooling a transformer tank includes the following steps:
SS 01: when the temperature sensor monitors that the temperature of the transformer rises, the temperature sensor starts to prepare for cooling;
SS 02: circulating pumps 3 at two ends of the heat dissipation oil pipe assembly 1 start to work simultaneously and are communicated with cooling oil in the transformer to form oil circuit circulation;
SS 031: the water pump 404 sends the water in the cold water tank 4 to the heat dissipation water pipe 103, and the water is dispersed on the outer surface of the heat dissipation oil pipe assembly 1 through the opening on the surface of the heat dissipation water pipe 103, so as to achieve the heat dissipation of the transformer oil tank to the transformer.
The transformer oil tank is arranged into a tubular assembly structure, so that the heat dissipation efficiency of the oil tank is improved, the cooling oil is prevented from leaking due to thermal expansion by arranging the extension pipe, and the heat dissipation efficiency of the oil tank is further improved by arranging the wet pipe structure on the outer surface of the pipe fitting and utilizing the characteristic of water evaporation and heat absorption.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a transformer tank, includes heat dissipation oil pipe subassembly (1), connecting pipe (2), circulating pump (3), cold water storage cistern (4), accumulator (5) and mount (6), its characterized in that: the heat dissipation oil pipe assembly (1) comprises a plurality of heat dissipation oil pipes; the plurality of heat dissipation oil pipes are connected through a fixing frame (6); both ends of the heat dissipation oil pipe are connected with the connecting pipe (2); one end of the connecting pipe (2) is connected with the circulating pump (3); the cold water tank (4) is arranged below the heat dissipation oil pipe assembly (1); the cold water tank (4) is connected with the heat dissipation oil pipe assembly (1) through a recovery pipe (5);
the heat radiation oil pipe comprises a circulating oil pipe (101), a bent pipe (102) and a heat radiation water pipe (103); the circulating oil pipe (101) is a wavy pipe fitting; the peripheral side surface of the circulating oil pipe (101) is connected with a bent extension pipe (102); the extension pipe (102) is of a J-shaped pipe structure; the heat radiation water pipe (103) is arranged on the peripheral side surface of the circulating oil pipe (101);
a dry port (202) and a plurality of branch ports (201) are arranged on the peripheral side surface of the connecting pipe (2); the number of the branch ports (201) is adapted to the number of the heat radiation oil pipes; the dry port (202) is connected with a circulating pump (3);
a water inlet (401), a water outlet (402), a heat dissipation water hole (403) and a water pump (404) are formed in the peripheral side surface of the cold water tank (4); the heat dissipation water hole (403) is connected with the heat dissipation water pipe (103); the heat dissipation water hole (403) is connected with a water pump (404);
the upper surface of the cold water tank (4) is provided with a plurality of openings, and the openings are connected with one end of a recovery pipe (5); the other end of the recovery pipe (5) is connected with the peripheral side face of the heat radiation oil pipe.
2. The transformer oil tank as claimed in claim 1, wherein the heat-dissipating water pipe (103) is disposed at an upper end of the heat-dissipating oil pipe, and a plurality of openings are disposed on a peripheral side surface of the heat-dissipating water pipe (103).
3. A transformer tank according to claim 1, characterized in that the bent end of the extension pipe (102) is provided with a dust cover.
4. The transformer tank of claim 1, wherein the transformer tank is further provided with a microprocessor, a temperature detector and a water level detector; the temperature detector is connected with the outer surface of the transformer; the water level detector is arranged on the inner surface of the cold water tank (4); the microprocessor is electrically connected with the circulating pump (3), the water pump (404), the temperature detector and the water level detector respectively.
5. A transformer tank according to claim 1, characterized in that the recovery tube (5) is arranged at the lowest point of the radiator oil tube.
6. A method for cooling a tank of a transformer according to claim 4, comprising the steps of: SS 01: when the temperature sensor monitors that the temperature of the transformer rises, the temperature sensor starts to prepare for cooling;
SS 02: circulating pumps (3) at two ends of the heat dissipation oil pipe assembly (1) start to work simultaneously and are communicated with cooling oil in the transformer to form oil circuit circulation;
SS 03: the water pump (404) sends water in the cold water tank (4) into the heat-dissipation water pipe (103), and the water is scattered on the outer surface of the heat-dissipation oil pipe assembly (1) through the open holes on the surface of the heat-dissipation water pipe (103), so that the transformer oil tank dissipates heat of the transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132555.4A CN109741911B (en) | 2019-02-22 | 2019-02-22 | Transformer oil tank and cooling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132555.4A CN109741911B (en) | 2019-02-22 | 2019-02-22 | Transformer oil tank and cooling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109741911A CN109741911A (en) | 2019-05-10 |
| CN109741911B true CN109741911B (en) | 2021-05-11 |
Family
ID=66368074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910132555.4A Active CN109741911B (en) | 2019-02-22 | 2019-02-22 | Transformer oil tank and cooling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109741911B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337339A (en) * | 2013-06-21 | 2013-10-02 | 曾庆赣 | Heat dissipating method for oil-immersed transformer and radiator thereof |
| CN205751782U (en) * | 2016-07-13 | 2016-11-30 | 宁波威顺恒业钣金件有限公司 | A kind of from cooling hydraulic transformer tank envelope |
| CN108757647A (en) * | 2018-08-10 | 2018-11-06 | 淮安市胜杰液压机械有限公司 | A kind of hydraulic device fast cooling device |
-
2019
- 2019-02-22 CN CN201910132555.4A patent/CN109741911B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337339A (en) * | 2013-06-21 | 2013-10-02 | 曾庆赣 | Heat dissipating method for oil-immersed transformer and radiator thereof |
| CN205751782U (en) * | 2016-07-13 | 2016-11-30 | 宁波威顺恒业钣金件有限公司 | A kind of from cooling hydraulic transformer tank envelope |
| CN108757647A (en) * | 2018-08-10 | 2018-11-06 | 淮安市胜杰液压机械有限公司 | A kind of hydraulic device fast cooling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109741911A (en) | 2019-05-10 |
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