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CN203588807U - Heat exchange structure of rectifier transformer - Google Patents

Heat exchange structure of rectifier transformer Download PDF

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Publication number
CN203588807U
CN203588807U CN201320705531.1U CN201320705531U CN203588807U CN 203588807 U CN203588807 U CN 203588807U CN 201320705531 U CN201320705531 U CN 201320705531U CN 203588807 U CN203588807 U CN 203588807U
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CN
China
Prior art keywords
transformer
oil
cooling
heat exchange
iron core
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN201320705531.1U
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Chinese (zh)
Inventor
刘立忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENDA ELECTRIC GROUP CO Ltd
Original Assignee
JIANGSHAN HAIWEI TRANSMISSION AND TRANSFORMATION TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGSHAN HAIWEI TRANSMISSION AND TRANSFORMATION TECHNOLOGY Co Ltd filed Critical JIANGSHAN HAIWEI TRANSMISSION AND TRANSFORMATION TECHNOLOGY Co Ltd
Priority to CN201320705531.1U priority Critical patent/CN203588807U/en
Application granted granted Critical
Publication of CN203588807U publication Critical patent/CN203588807U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a heat exchange structure of a rectifier transformer. The heat exchange structure comprises an iron core, a coil, a cooler for transformer and a transformer oil tank, wherein the coil is coiled on the iron core, the transformer oil tank is provided with a tank cover, the iron core and the coil are positioned in the transformer oil tank which is fully filled with transformer oil, the cooler for transformer comprises a cooling exchange container, the cooling exchange container is provided with an oil inlet pipeline and an oil outlet pipeline, the cooling exchange container is internally and fully filled with carbon dioxide cooling agent, the cooling exchange container is internally provided with a heat exchange passage, two ends of the heat exchange passage are respectively connected with the oil inlet pipeline and the oil outlet pipeline, the oil inlet pipeline and the oil outlet pipeline are respectively connected with the upper part and the lower part of the transformer oil tank, and the oil inlet pipeline or the oil outlet pipeline is provided with an oil pump. According to the heat exchange structure disclosed by the utility model, heat in the transformer oil tank can be rapidly transmitted out, thus the stable oil temperature can be kept, the heat exchange structure has the characteristics of high heat transfer efficiency, smaller size and low cost, and the service life of the rectifier transformer is prolonged.

Description

A kind of heat exchange structure of rectifier transformer
Technical field
The utility model relates to a kind of transformer, relates in particular to a kind of rectifier transformer.
Background technology
Rectifier transformer is the power transformer of rectifying installation.The feature of rectifying installation is former limit input current, and exports direct current after secondary square tube over commutation original paper.Unsteady flow is the general name of rectification, adverse current and three kinds of working methods of frequency conversion, and rectification is wherein most widely used a kind of.The transformer of using as rectifying device power supply is called rectifier transformer.Industrial rectification DC power supply major part is all obtained by rectifier transformer and rectifying installation by AC network.
The transformer heating situation that is in operation is more serious, and distributing of heat makes progress.At present, rectifier transformer, with regard to machine body structure, in order to reduce manufacturing cost, adopts ventilation and heat structure substantially.Transformer is owing to adopting gilled radiator, make self laterally bulky, transportation and maintenance are all very inconvenient, and gilled radiator radiating efficiency is lower, transformer is often too high due to oil temperature liter, causes transformer oil decreasing insulating, oil flow electrification, the aging accidents such as fire for transformer, blast that even cause of coil.Therefore improve Natural Oil Circulation Power transformer cooling structure, improve its cooling effectiveness, no matter from energy-saving and cost-reducing, still extend transformer useful life, reduce hot accident aspect, all will bring huge economic results in society.
Utility model content
The purpose of this utility model is in order to solve above-mentioned the deficiencies in the prior art, a kind of technical scheme is provided, the heat pipe that utilization has efficient heat transfer dispels the heat to rectifier type transformer, improved cooling effectiveness, improved the heat dispersion of transformer, occupied ground is few, and volume is little, extends the useful life of transformer.
The heat exchange structure of a kind of rectifier transformer of the utility model, comprise iron core, around the coil on iron core, cooling device for transformer and the oil tank of transformer that is provided with case lid, iron core and coil are positioned at the oil tank of transformer that is full of transformer oil, it is characterized in that cooling device for transformer comprises cooling exchanging container, cooling exchanging container is provided with inflow pipeline and flowline, in cooling exchanging container, be full of carbon dioxide coolant, in cooling exchanging container, be provided with heat exchanger channels, the two ends of heat exchanger channels connect respectively inflow pipeline and flowline, inflow pipeline is connected with the top and the bottom of fuel tank respectively with flowline, inflow pipeline or flowline are provided with oil pump.
Carbon dioxide coolant is enclosed in cooling exchanging container, and cooling exchanging container is provided with heat exchanger channels and is connected with flowline with inflow pipeline.Carbon dioxide coolant, is solid-state carbon dioxide, is conventionally block, and at-78.5 ℃, heat absorption is sublimed into gaseous state, mainly as cooling agent.Carbon dioxide is cooling can be that carbon dioxide and some liquid mix, and at standard atmosphere, depresses and can produce low temperature.As: the liquid such as carbon dioxide and diethyl carbitol, chloroethanes, ethanol, phosphorus trichloride, chloroform, ether, trichloroethylene and acetone mix, and depress can produce different low temperature at standard atmosphere, carry out cooling.
The utility model packs carbon dioxide coolant in cooling exchanging container into, pass through oil pump, work, the transformer oil heat exchanger channels on cooling exchanging container of flowing through, utilize carbon dioxide coolant to forcing cooling through flowing through the transformer oil of heat exchanger channels, thereby reach the effect of cool cycles transformer oil, improved the practicality of product.The utility model cooling effect improves greatly, and operating cost is low, has greatly improved practicality and the reliability of product.
As preferably, the heat exchanger channels that is positioned at cooling exchanging container is spirality metal pipe.Spirality metal pipe has increased heat exchange area, has improved transformer oil cooling effect.
The beneficial effects of the utility model are: the utility model can pass the heat in fuel tank rapidly by cooling exchanging container, to keep oil temperature stable, have that heat transfer efficiency is high, small volume, and the feature that cost is low has extended useful life of transformer.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, utility model is further illustrated.
Fig. 1 is the contour structures schematic diagram of the utility model embodiment.
In figure: 1, cable box 2, three-phase integrated current transformer assembly 3, oil tank of transformer 4, cooler 5, low-tension bushing 6, conservator 7, oil pump 41, exchanging container 42, carbon dioxide coolant 43, metal tube 44, inflow pipeline 45, flowline.
Embodiment
As shown in Figure 1, the utility model embodiment is a kind of heat exchange structure of rectifier transformer, mainly by oil tank of transformer 3, current transformer, bushing, low-tension bushing 5, cooling device for transformer 4 compositions such as grade, each phase current mutual inductor is arranged on three-phase integrated current transformer assembly 2 inside, bushing is located in cable box 1, low-tension bushing 5 is arranged on the case lid of oil tank of transformer 3, the case lid of oil tank of transformer 3 is provided with conservator 6, in fuel tank 3, there is transformer oil, iron core and coil are immersed in transformer oil, cooling device for transformer 4 comprises cooling exchanging container 41, cooling exchanging container 41 is provided with inflow pipeline 44 and flowline 45, in cooling exchanging container 41, be full of carbon dioxide coolant 42, in cooling exchanging container 41, be provided with spirality metal pipe 43, the two ends of spirality metal pipe 43 connect respectively inflow pipeline 44 and flowline 45, inflow pipeline 44 is provided with oil pump 7.Common cooling exchanging container 41 is provided with the valve of filling carbon dioxide coolant.
The utility model packs carbon dioxide coolant 42 in cooling exchanging container 41 into, by oil pump 7, work, the transformer oil spirality metal pipe 43 on cooling exchanging container 41 of flowing through, utilize carbon dioxide coolant to forcing cooling through flowing through the transformer oil of heat exchanger channels, thereby reach the effect of cool cycles transformer oil, improved the practicality of product.The utility model cooling effect improves greatly, and operating cost is low, has greatly improved practicality and the reliability of product.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any on the utility model basis the structure after simple transformation all belong to protection range of the present utility model.

Claims (2)

1. the heat exchange structure of a rectifier transformer, comprise iron core, around the coil on iron core, cooling device for transformer and the oil tank of transformer that is provided with case lid, iron core and coil are positioned at the oil tank of transformer that is full of transformer oil, it is characterized in that cooling device for transformer comprises cooling exchanging container, cooling exchanging container is provided with inflow pipeline and flowline, in cooling exchanging container, be full of carbon dioxide coolant, in cooling exchanging container, be provided with heat exchanger channels, the two ends of heat exchanger channels connect respectively inflow pipeline and flowline, inflow pipeline is connected with the top and the bottom of fuel tank respectively with flowline, inflow pipeline or flowline are provided with oil pump.
2. the heat exchange structure of a kind of rectifier transformer according to claim 1, the heat exchanger channels that it is characterized in that being positioned at cooling exchanging container is spirality metal pipe.
CN201320705531.1U 2013-11-06 2013-11-06 Heat exchange structure of rectifier transformer Expired - Lifetime CN203588807U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320705531.1U CN203588807U (en) 2013-11-06 2013-11-06 Heat exchange structure of rectifier transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320705531.1U CN203588807U (en) 2013-11-06 2013-11-06 Heat exchange structure of rectifier transformer

Publications (1)

Publication Number Publication Date
CN203588807U true CN203588807U (en) 2014-05-07

Family

ID=50586682

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320705531.1U Expired - Lifetime CN203588807U (en) 2013-11-06 2013-11-06 Heat exchange structure of rectifier transformer

Country Status (1)

Country Link
CN (1) CN203588807U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106653291A (en) * 2017-01-10 2017-05-10 全球能源互联网研究院 System for performing forced circulating cooling on transformer through day and night temperature difference
CN108091470A (en) * 2017-12-20 2018-05-29 哈里森机电科技海安有限公司 Type extra-high voltage transformer is worn in a kind of resistance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106653291A (en) * 2017-01-10 2017-05-10 全球能源互联网研究院 System for performing forced circulating cooling on transformer through day and night temperature difference
CN108091470A (en) * 2017-12-20 2018-05-29 哈里森机电科技海安有限公司 Type extra-high voltage transformer is worn in a kind of resistance

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20151225

Address after: 324102 Zhejiang province Jiangshan Huatong Road Economic Development Zone No. 17

Patentee after: SHENDA ELECTRIC GROUP Co.,Ltd.

Address before: 324100, three, Jiangdong District, Jiangshan, 121, Zhejiang

Patentee before: JIANGMEN HAIWEI TRANSMISSION TECHNOLOGY CO.,LTD.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20140507