CN208093320U - A kind of transformer metal bellow oil conservator of high heat dispersion - Google Patents
A kind of transformer metal bellow oil conservator of high heat dispersion Download PDFInfo
- Publication number
- CN208093320U CN208093320U CN201820362398.7U CN201820362398U CN208093320U CN 208093320 U CN208093320 U CN 208093320U CN 201820362398 U CN201820362398 U CN 201820362398U CN 208093320 U CN208093320 U CN 208093320U
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- Prior art keywords
- oil
- conservator
- heat dissipation
- shell
- metal corrugated
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 42
- 239000002184 metal Substances 0.000 title claims abstract description 42
- 239000006185 dispersion Substances 0.000 title abstract description 4
- 230000017525 heat dissipation Effects 0.000 claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 230000000740 bleeding effect Effects 0.000 abstract 1
- 230000013011 mating Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Transformer Cooling (AREA)
Abstract
The utility model discloses a kind of transformer metal bellow oil conservators of high heat dispersion, are made of oil conservater shell and wavy metal expander；The roof of oil conservater shell is provided with air bleeding valve, side wall is provided with oil level gauge, towards the first heat dissipating layer of bottom wall outer；The bottom in oil conservater shell is arranged in wavy metal expander, including expansion joint and movable end, transmission device and several protrusions are provided on the outside of movable end, inside is provided with the second heat dissipating layer, it is connected with corrugated fins plate on the inside of expansion joint, the inside bottom wall of wavy metal expander is provided with gas relay, spiracle and third heat dissipating layer；The oil conservater that this case is related to is by the mating reaction of multiple heat dissipation component, under conditions of not influencing oil conservater seal, safety and working performance, can effectively auxiliary transformer radiate.
Description
Technical Field
The utility model relates to an oil conservator of transformer, in particular to metal corrugated oil conservator for transformer of high heat dissipating ability.
Background
The oil conservator is also called as an oil conservator, is a container which is arranged at the upper part of the transformer oil tank and is communicated with the transformer oil tank, the volume of the oil conservator is generally 8-10% of the volume of the transformer oil, and the oil conservator has the function of compensating the volume change of the transformer oil caused by thermal expansion and cold contraction of the transformer oil, namely, the transformer oil overflows into the oil conservator from the transformer oil tank when the transformer oil is thermally expanded, and returns into the transformer oil tank from the oil conservator when the transformer oil is contracted when being cooled, so that the oil conservator is an. The currently common oil conservator structure comprises: the oil conservator comprises an open oil conservator, a capsule bag type sealed oil conservator, a diaphragm type oil conservator and a metal bellows type oil conservator.
The metal corrugated pipe type oil conservator is a novel oil conservator which appears in recent years, a stainless metal corrugated core body is used as an expansion body, mechanical strength is high, the metal corrugated pipe type oil conservator is not easy to damage and age, condensed water is not easy to gather, transformer oil and air can be completely isolated under the condition that a respirator is not installed, and therefore transformer oil can be effectively prevented from being oxidized due to damp, and the aging process is delayed. However, due to the structural characteristics of the airtightness of the oil conservator, the temperature inside the oil conservator is often higher, and the expansion body is only connected with the outside through the breathing hole, so that the heat dissipation effect is almost zero, and the oil conservator cannot play a good auxiliary role in the heat dissipation of the transformer.
SUMMERY OF THE UTILITY MODEL
To the weak point that exists among the prior art, the utility model aims to provide a metal ripple stores up oil tank for transformer of high heat dissipating ability, and the inflation body heat dispersion of this oil tank is good.
The scheme provides a metal corrugated oil conservator for a transformer with high heat dissipation performance, which consists of an oil conservator shell and a metal corrugated expansion body; wherein,
the oil tank is characterized in that an exhaust valve is arranged on the top wall of the oil storage cabinet shell, an oil level meter is arranged on the side wall of the oil storage cabinet shell, an oil inlet and an oil outlet which are communicated with the transformer oil tank are formed in the bottom wall of the oil storage cabinet shell, and a first heat dissipation layer facing the outer side of the bottom wall of the oil storage cabinet;
the metal corrugated expansion body is arranged at the bottom in the oil conservator shell and comprises an expansion joint and a movable end; the outer side of the movable end is provided with a transmission device and a plurality of bulges, and the inner side of the movable end is provided with a second heat dissipation layer; the inner side of the expansion joint is connected with a corrugated heat dissipation plate, and the transmission device is connected with an oil level meter; a gas relay, a breathing hole and a third heat dissipation layer are arranged on the inner side of the bottom wall of the metal corrugated expansion body;
the first heat dissipation layer, the second heat dissipation layer and the third heat dissipation layer are fins arranged in an array mode.
Preferably, the fins are distributed on the heat dissipation contact surface in 3-5 rows; wherein, the heat dissipation contact surface includes: the outer side of the bottom wall of the oil conservator shell, the inner side of the movable end of the metal corrugated expansion body and the inner side of the bottom wall of the metal corrugated expansion body.
Preferably, the fins in the first heat dissipation layer and the second heat dissipation layer are 7-shaped and comprise short parts and long parts, and the length of the short parts is 1/3-1/4 of that of the long parts.
Preferably, the fins in the third heat dissipation layer are in a shape of a rectangle or a rhombus which is obliquely arranged, and the height of the fins is 1/3-1/2 of the height of the gas relay.
Preferably, the oil inlet is connected with the transformer oil tank through an oil inlet pipe and an oil inlet pipe check valve outside the oil conservator shell; the oil inlet pipe extends in the oil conservator, and an umbrella-shaped oil inlet end is arranged at the extending end part.
Preferably, the ratio of the extension height of the oil inlet pipe in the oil conservator to the expansion height of the metal corrugated expansion body is 1: 2-3.
Preferably, the conservator housing is cylindrical or ellipsoidal.
Preferably, the metal corrugated expansion body is a cylinder and is formed by processing a stainless steel plate.
Preferably, the fins are made of copper, aluminum or aluminum alloy, and the corrugated heat dissipation plate is made of aluminum or aluminum alloy.
The utility model discloses and beneficial effect's explanation: the corrugated metal oil conservator related to the present case has mainly added heat dissipation mechanism on the basis of ordinary oil conservator, like the arch outside the corrugated metal expansion body active end, a plurality of fin heat dissipation layers, corrugated heat dissipation plate, umbrella-shaped oil inlet end, etc., through the cooperation of multiple heat dissipation parts, under the condition that does not influence the oil conservator leakproofness, security and working property, can effectively assist the transformer to dispel the heat.
The working process of the utility model is as follows: opening a breathing hole, an exhaust valve and an oil inlet pipe check valve to start oil injection, closing an oil outlet pipe check valve at the same time, exhausting air in the shell of the oil conservator out of the shell through the exhaust valve, and stably discharging oil when the exhaust valve is repeatedly closed for several times; the transformer oil is heated to expand, enters a space between the oil conservator shell and the metal corrugated expansion body through the oil inlet pipe and the oil inlet pipe check valve, and extrudes the expansion body to realize volume compensation, and the oil level meter receives a signal of a transmission device on the expansion body and indicates the oil amount; the umbrella-shaped oil inlet end at the extending end part of the oil inlet pipe is beneficial to the dispersion and heat dissipation of the entering transformer oil, and the entering transformer oil can exchange heat with oil with lower temperature after being guided to the bottom of the shell, so that the heat dissipation is promoted; the contact area of the transformer oil can be increased by the bulges at the outer side of the movable end of the metal corrugated expansion body, so that heat conduction is facilitated; the radiating contact surface, namely the outer side of the bottom wall of the shell of the oil conservator and the inner side of the movable end of the metal corrugated expansion body are arranged on the inner side of the bottom wall of the metal corrugated expansion body, and the radiating layer of the fins is arranged, and the shapes of the fins are arranged according to the specific conditions of the radiating surface, so that the optimal radiating performance can be achieved, and the normal work of the oil conservator is not influenced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
the oil conservator comprises a shell 1, a metal corrugated expansion body 2, an exhaust valve 3, an oil level meter 4, a bulge 5, a transmission device 6, a corrugated heat dissipation plate 7, an oil outlet 8, a breathing hole 9, a gas relay 10, a first heat dissipation layer 11, an oil inlet 12, an umbrella-shaped oil inlet 13, a second heat dissipation layer 14 and a third heat dissipation layer 15.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
The utility model provides a metal ripple oil conservator for a transformer with high heat dissipation performance, the main functional components are an oil conservator shell 1 and a metal ripple expansion body 2; the oil conservator comprises an oil conservator shell 1, a transformer oil tank, an oil level gauge 4, an oil level gauge, an oil outlet 8 and an oil inlet 12, wherein the oil conservator shell is cylindrical or ellipsoidal, the top of the oil conservator shell is provided with an exhaust valve 3, the side wall of the oil conservator shell is provided with the oil level gauge 4, and the bottom end of the; the oil inlet is connected with the transformer oil tank through an oil inlet pipe and an oil inlet pipe check valve outside the oil conservator shell 1, the oil inlet pipe extends inside the oil conservator, an umbrella-shaped oil inlet end 13 is arranged at the extending end part, the ratio of the extending height of the oil inlet pipe inside the oil conservator to the expanding height of the metal corrugated expansion body 2 is 1: 3, the oil outlet is connected with the transformer oil tank through an oil outlet pipe and an oil outlet pipe check valve outside the oil conservator shell 1, the oil inlet pipe check valve and the oil outlet pipe check valve can control the transformer oil to flow in a one-way mode, the flowing direction and the flowing path of the transformer oil are controlled, and heat dissipation and exchange are facilitated.
The metal corrugated expansion body 2 is arranged at the bottom in the oil conservator shell 1, is a cylinder and comprises an expansion joint, a movable end and a corrugated heat dissipation plate 7 connected with the inner side of the expansion joint, the expansion joint is formed by processing a stainless steel plate, a transmission device 6 and a plurality of heat transfer bulges 5 are arranged outside the movable end, the transmission device 6 is connected with an oil level meter 4, and the oil quantity in the oil conservator is transferred to the oil level meter 4; the bottom of the metal corrugated expansion body 2 is provided with a gas relay 10 and a breathing hole 9 communicated with the air; the gas relay 10 can monitor the oil leakage condition and send out alarm information in time; on the radiating contact surface, namely the outer side of the bottom wall of the shell of the oil conservator and the inner side of the movable end of the metal corrugated expansion body are arranged on the inner side of the bottom wall of the metal corrugated expansion body, 3-5 rows of fins are respectively arranged to serve as radiating layers, namely a first radiating layer 11, a second radiating layer 14 and a third radiating layer 15, and the shapes of the fins are set according to the specific conditions of the radiating surfaces, wherein the fins in the first radiating layer 11 and the second radiating layer 14 are 7-shaped and comprise short parts and long parts, the length of the short parts is 1/3 of that of the long parts, the fins in the third radiating layer 15 are obliquely arranged to be rectangular, and the height of the fins is 1/2 of that of the gas relay, so that the optimal radiating performance can be achieved, and the normal work of the oil conservator is not affected.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (9)
1. A metal corrugated oil conservator for a transformer with high heat dissipation performance is characterized by comprising an oil conservator shell and a metal corrugated expansion body; wherein,
the oil tank is characterized in that an exhaust valve is arranged on the top wall of the oil storage cabinet shell, an oil level meter is arranged on the side wall of the oil storage cabinet shell, an oil inlet and an oil outlet which are communicated with the transformer oil tank are formed in the bottom wall of the oil storage cabinet shell, and a first heat dissipation layer facing the outer side of the bottom wall of the oil storage cabinet;
the metal corrugated expansion body is arranged at the bottom in the oil conservator shell and comprises an expansion joint and a movable end; the outer side of the movable end is provided with a transmission device and a plurality of bulges, and the inner side of the movable end is provided with a second heat dissipation layer; the inner side of the expansion joint is connected with a corrugated heat dissipation plate, and the transmission device is connected with an oil level meter; a gas relay, a breathing hole and a third heat dissipation layer are arranged on the inner side of the bottom wall of the metal corrugated expansion body;
the first heat dissipation layer, the second heat dissipation layer and the third heat dissipation layer are fins arranged in an array mode.
2. The conservator as claimed in claim 1, wherein the fins are arranged in 3-5 rows on the heat dissipating contact surface; wherein, the heat dissipation contact surface includes: the outer side of the bottom wall of the oil conservator shell, the inner side of the movable end of the metal corrugated expansion body and the inner side of the bottom wall of the metal corrugated expansion body.
3. The conservator as claimed in claim 1, wherein the fins in the first and second heat dissipating layers are 7-shaped, comprising a short portion and a long portion, the length of the short portion is 1/3-1/4 of the length of the long portion.
4. The conservator as claimed in claim 1, wherein the fins in the third heat dissipation layer are inclined rectangular or diamond-shaped and are set to 1/3-1/2 of the height of the gas relay.
5. The conservator of claim 1, wherein the oil inlet is connected to the transformer tank through an oil inlet pipe and an oil inlet pipe check valve outside the conservator housing; the oil inlet pipe extends in the oil conservator, and an umbrella-shaped oil inlet end is arranged at the extending end part.
6. The conservator as claimed in claim 5, wherein the ratio of the extending height of the oil inlet pipe in the interior of the conservator to the expanding height of the metal corrugated expansion body is 1: 2-3.
7. The conservator of claim 1, wherein the conservator housing is cylindrical or ellipsoidal.
8. The conservator as claimed in claim 1, wherein the metal corrugated expansion body is a cylinder and is formed by processing stainless steel plate.
9. The oil conservator as claimed in claim 1, wherein the fins are made of copper, aluminum or aluminum alloy, and the corrugated heat dissipation plate is made of aluminum or aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362398.7U CN208093320U (en) | 2018-03-16 | 2018-03-16 | A kind of transformer metal bellow oil conservator of high heat dispersion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362398.7U CN208093320U (en) | 2018-03-16 | 2018-03-16 | A kind of transformer metal bellow oil conservator of high heat dispersion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208093320U true CN208093320U (en) | 2018-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820362398.7U Active CN208093320U (en) | 2018-03-16 | 2018-03-16 | A kind of transformer metal bellow oil conservator of high heat dispersion |
Country Status (1)
| Country | Link |
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| CN (1) | CN208093320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111689065A (en) * | 2020-06-13 | 2020-09-22 | 橘子洲(北京)技术发展有限公司 | Working medium compensation container and working medium compensation method |
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2018
- 2018-03-16 CN CN201820362398.7U patent/CN208093320U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111689065A (en) * | 2020-06-13 | 2020-09-22 | 橘子洲(北京)技术发展有限公司 | Working medium compensation container and working medium compensation method |
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