CN109712780A - A kind of oil-immersed type transformer convenient for heat dissipation - Google Patents

A kind of oil-immersed type transformer convenient for heat dissipation Download PDF

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Publication number
CN109712780A
CN109712780A CN201910097496.1A CN201910097496A CN109712780A CN 109712780 A CN109712780 A CN 109712780A CN 201910097496 A CN201910097496 A CN 201910097496A CN 109712780 A CN109712780 A CN 109712780A
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oil
transformer
heat radiation
heat dissipation
transformer body
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CN201910097496.1A
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Chinese (zh)
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王小飞
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Jiangsu Eaton Electric Technology Co Ltd
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Jiangsu Eaton Electric Technology Co Ltd
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Priority to CN201910097496.1A priority Critical patent/CN109712780A/en
Publication of CN109712780A publication Critical patent/CN109712780A/en
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Abstract

A kind of oil-immersed type transformer convenient for heat dissipation, transformer body and heat radiation oil box are provided with sealing element, transformer body bottom is provided with support base, heat radiation oil box lower right side is provided with drain line, sensing element is equipped with inside the transformer body, PLC controller is provided with above heat radiation oil box, oil purifier is fixedly connected on the left of heat radiation oil box, oil purifier is equipped with oil outlet, oil outlet is connected with conservator oil inlet, faulty oil storage Oil-gas Separation unit is arranged in conservator, oil purifier and conservator are provided with quantity testing device for oil, the front center position of heat radiation oil box is provided with display device, display device is connected for showing oil mass and transformer parameter with quantity testing device for oil and sensing element, transformer is provided with pressure control device and temperature control equipment, pressure control device and temperature control equipment and sense It answers element to be connected, warning device is fixedly connected on the left of transformer body, warning device lower end is equipped with cooler.

Description

A kind of oil-immersed type transformer convenient for heat dissipation
Technical field
The present invention relates to transformer technology field more particularly to a kind of oil-immersed type transformers convenient for heat dissipation.
Background technique
Oil-immersed type transformer is the novel high-performance transformer of a kind of more reasonable structure, more excellent performance, three-dimensional winding iron core Since three of them stem is that the three-dimensional of equilateral triangle arranges, without air-gap in magnetic circuit, closer, three lengths of magnetic path are wound Unanimously, and all most short, the cross-sectional area of core mandrel is closer to circle, therefore performance further increases, and loss reduces, noise It reduces, three Xiang Pingheng, reduces third-harmonic component, which is more suitable for town and country, industrial and mining enterprises' electric network reconstruction, is more suitable for group Box-like transformer and preassembled transformer station transformer.
With the development of optical fiber technology and carrying forward vigorously for smart grid, Fiber Optic Pyrometer is gradually by power transformer Device industry is received.Optical fiber temperature-measurement can directly by put sensing probe in the windings realize it is true, accurately measure hot(test)-spot temperature, Directly dynamic measurement is provided for user, it is direct, real-time, accurate to have many advantages, such as.
Existing oil-immersed type transformer heat dissipation performance is bad, and speed is slow, not can be carried out comprehensive heat dissipation, reduces service life, In support, stability is lower, cannot be adjusted bearing area, intensity is low, it is difficult to meet existing oil-immersed type transformer heat dissipation need It asks.
Summary of the invention
The purpose of the present invention is to provide a kind of oil-immersed type transformers convenient for heat dissipation, solve proposed in background technique Problem.
To achieve the above object, it the invention provides the following technical scheme: a kind of oil-immersed type transformer convenient for heat dissipation, including dissipates Hot oil case 2, the transformer body 1 inside heat radiation oil box, the transformer body and heat radiation oil box are provided with sealing element, institute It states transformer body bottom to be provided with support base 4, be provided with drain line 5 positioned at heat radiation oil box lower right side, the transformer sheet Internal portion is equipped with sensing element, and PLC controller 6 is provided with above the heat radiation oil box, is fixedly connected on the left of the heat radiation oil box There is oil purifier, the oil purifier is equipped with oil outlet, and the oil outlet is connected with conservator oil inlet, the conservator setting Faulty oil storage Oil-gas Separation unit, the oil purifier and conservator are provided with quantity testing device for oil, the quantity testing device for oil And first oil-temperature control device be connected with controller, by the temperature of fuel tank and altitude feedback to controller, controller with Warning device is connected, and realizes that oil level is excessively high, too low and high oil temperature, too low alarm.
In one embodiment of the invention, the front center position of the heat radiation oil box is provided with display device 3, The display device is connected for showing oil mass and transformer parameter, the change with quantity testing device for oil and sensing element Depressor is provided with pressure control device and temperature control equipment, the pressure control device and temperature control equipment and induction Element is connected, and warning device is fixedly connected on the left of the transformer body, and the warning device lower end is equipped with cooler.
In one embodiment of the invention, the heat radiation oil box is provided with anticollision device, collision-prevention device, and the anticollision device, collision-prevention device is anti- Column 7 is hit, improved mat is provided between the heat radiation oil box and support base, the support base is internally provided with threaded hole use In installation fixing bolt, the bottom of the support base is bonded with electro-insulating rubber pad.
In one embodiment of the invention, high-voltage conductive rod is fixedly connected at the top of the heat radiation oil box and low pressure is led Electric pole, the high-voltage conductive rod and low voltage conductive bar are connected with transformer body, and the high-voltage conductive rod surface has high pressure Casing.
In one embodiment of the invention, the sensing device include temperature sensing device, pressure sensitive device with And failure sensing device, the temperature sensing device include probe-type fiber grating temperature sensor for detecting temperature.
The heat radiation oil box is equally distributed radiating fin in the part on transformer body periphery, and the radiating fin is high Spend identical, spacing is identical;The radiating fin is the 08AL steel plate of hollow structure, and the radiating fin is provided with hollow pipe, The hollow pipe of all radiating fins in position is identical structure, is provided with inlet and outlet.
In one embodiment of the invention, the cooler is forced oil-circulation cooler, including water tank, into water guide Pipe, aqueduct, air-cooled radiating device, the air-cooled radiating device are connected to above transformer body and carry out to transformer body out Heat dissipation, the air-cooled radiating device include blower, fixed device, and the air-cooled radiating device is connected with control centre is connected to control Center controls the opening and closing of air-cooled radiating device, and institute's water tank is set to the transformer body side of installation oil purifier, institute It states into aqueduct one end and is connected with the water outlet of water tank, one end is connected with the import of radiating fin, the aqueduct one out End is connected with the water inlet end of water tank, and one end is connected with the outlet of radiating fin.
In one embodiment of the invention, the water tank is provided with two partitioning portions, water tank and inlet tank, The water tank is provided with water outlet, and the inlet tank is provided with water inlet end, is provided with water purification cartridge on the side wall of the inlet tank It sets, the purifier is provided with the first outlet pipe, and first outlet pipe is connected with water tank, the side wall of the water tank On be provided with semiconductor refrigerating element and cool down to the water of water tank.
In one embodiment of the invention, the blower is provided with 2, and described into and out of aqueduct is snakelike stainless Steel pipe, the snakelike stainless steel tube outside are provided with nano coating, are provided with corrosion-inhibiting coating on the inside of the snakelike stainless steel tube.
In one embodiment of the invention, when the failure sensing device senses that transformer breaks down, induction Cell starting, and controller is sent by enabling signal, this moment, the transformer oil stream of expanded by heating in the transformer body Enter into the failure oil storage Oil-gas Separation unit, the transformer oil of the expanded by heating can generate a large amount of combustible gas, by this Failure oil storage Oil-gas Separation unit carries out Oil-gas Separation movement to the transformer oil of the expanded by heating and the combustible gas, and The combustible gas is discharged into safety zone to burn, cooler and radiating fin carry out cooling to the transformer body and move Make, remaining transformer oil cooling in the transformer body is forced, when the change of the remaining transformer oil and the expanded by heating The temperature of depressor oil is lower than safe temperature, when pressure reduction is to normal pressure value in the transformer body, the expanded by heating Transformer oil flow back into the transformer body.
In one embodiment of the invention, the failure sensing device is mechanical sensitive components.
Compared with prior art, the beneficial effects of the present invention are:
(1) oil-immersed type transformer of the invention effectively makes the present invention by water cooling, air-cooled, the cold three kinds of types of cooling of oil The comprehensive heat dissipation of transformer, extend the service life of oil-immersed type transformer, it is easy to accomplish not only save a large amount of manpowers, shorten peace ETL estimated time of loading, and installation accuracy is greatly improved, safety, it is steady, efficiently, the features such as structure is simple is worthy of popularization;
(2) by the present invention in that with probe-type fiber grating temperature sensor, not only protection signal transmission, but also guarantee whole A probe apparatus can safely and effectively transmission signal, unique probe fill for a long time in the environment that oil-immersed type transformer operates normally Structure is set, enhances the intensity of oil-immersed type transformer winding fiber optic temperature measuring probe, improves the service life of fibre-optical probe.
(3) by the present invention in that with failure sensing device, various accidents can be effectively tackled, ensure the work of transformer Performance and safe operation.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
Below in conjunction with drawings and examples, the present invention will be described in further detail.It should be appreciated that described herein Specific examples are only used to explain the present invention, is not intended to limit the present invention.
A kind of oil-immersed type transformer convenient for heat dissipation, the transformer body 1 including heat radiation oil box 2, inside heat radiation oil box, The transformer body with heat radiation oil box is provided with sealing element, the transformer body bottom is provided with support base 4, be located at dissipate Hot oil case lower right side is provided with drain line 5, and sensing element, setting above the heat radiation oil box are equipped with inside the transformer body There is PLC controller 6, oil purifier is fixedly connected on the left of the heat radiation oil box, the oil purifier is equipped with oil outlet, described Oil outlet is connected with conservator oil inlet, and faulty oil storage Oil-gas Separation unit, the oil purifier and oil is arranged in the conservator Pillow is provided with quantity testing device for oil, and the quantity testing device for oil and the first oil-temperature control device are connected with controller, will be oily To controller, controller is connected with warning device for the temperature of case and altitude feedback, realizes that oil level is excessively high, too low and oil temperature mistake High, too low alarm guarantees the balance of internal temperature, and such oil-immersed type transformer considerably increases stability, and design rationally, has Effect ensure that inside transformer heat distributes in time, improve the practicability of transformer.
In one embodiment of the invention, the front center position of the heat radiation oil box is provided with display device 3, The display device is connected with quantity testing device for oil and sensing element for showing oil mass and transformer parameter, is conducive to The maintenance of staff is observed.The transformer is provided with pressure control device and temperature control equipment, the pressure control Device and temperature control equipment are connected with sensing element, are fixedly connected with warning device on the left of the transformer body, institute Warning device lower end is stated equipped with cooler.
In one embodiment of the invention, the heat radiation oil box is provided with anticollision device, collision-prevention device, and the anticollision device, collision-prevention device is anti- Column 7 is hit, improved mat is provided between the heat radiation oil box and support base, the support base is internally provided with threaded hole use In installation fixing bolt, the bottom of the support base is bonded with electro-insulating rubber pad.
In one embodiment of the invention, high-voltage conductive rod is fixedly connected at the top of the heat radiation oil box and low pressure is led Electric pole, the high-voltage conductive rod and low voltage conductive bar are connected with transformer body, and the high-voltage conductive rod surface has high pressure Casing.
In one embodiment of the invention, the sensing device include temperature sensing device, pressure sensitive device with And failure sensing device, the temperature sensing device include probe-type fiber grating temperature sensor for detecting temperature.
The heat radiation oil box is equally distributed radiating fin in the part on transformer body periphery, and the radiating fin is high Spend identical, spacing is identical;The radiating fin is the 08AL steel plate of hollow structure, and the radiating fin is provided with hollow pipe, The hollow pipe of all radiating fins in position is identical structure, is provided with inlet and outlet.
In one embodiment of the invention, the cooler is forced oil-circulation cooler, including water tank, into water guide Pipe, aqueduct, air-cooled radiating device, the air-cooled radiating device are connected to above transformer body and carry out to transformer body out Heat dissipation, the air-cooled radiating device include blower, fixed device, and the air-cooled radiating device is connected with control centre is connected to control Center controls the opening and closing of air-cooled radiating device, and institute's water tank is set to the transformer body side of installation oil purifier, institute It states into aqueduct one end and is connected with the water outlet of water tank, one end is connected with the import of radiating fin, the aqueduct one out End is connected with the water inlet end of water tank, and one end is connected with the outlet of radiating fin.
In one embodiment of the invention, the water tank is provided with two partitioning portions, water tank and inlet tank, The water tank is provided with water outlet, and the inlet tank is provided with water inlet end, is provided with water purification cartridge on the side wall of the inlet tank It sets, the purifier is provided with the first outlet pipe, and first outlet pipe is connected with water tank, the side wall of the water tank On be provided with semiconductor refrigerating element and cool down to the water of water tank.
In one embodiment of the invention, the blower is provided with 2, and described into and out of aqueduct is snakelike stainless Steel pipe, the snakelike stainless steel tube outside are provided with nano coating, are provided with corrosion-inhibiting coating on the inside of the snakelike stainless steel tube.
In one embodiment of the invention, when the failure sensing device senses that transformer breaks down, induction Cell starting, and controller is sent by enabling signal, this moment, the transformer oil stream of expanded by heating in the transformer body Enter into the failure oil storage Oil-gas Separation unit, the transformer oil of the expanded by heating can generate a large amount of combustible gas, by this Failure oil storage Oil-gas Separation unit carries out Oil-gas Separation movement to the transformer oil of the expanded by heating and the combustible gas, and The combustible gas is discharged into safety zone to burn, cooler and radiating fin carry out cooling to the transformer body and move Make, remaining transformer oil cooling in the transformer body is forced, when the change of the remaining transformer oil and the expanded by heating The temperature of depressor oil is lower than safe temperature, when pressure reduction is to normal pressure value in the transformer body, the expanded by heating Transformer oil flow back into the transformer body.
In one embodiment of the invention, the failure sensing device is mechanical sensitive components, and oil-immersed type transformer holds It easily bursts, explosive manner, which occurs, for oil-immersed type transformer petal type explosion, and mechanical sensitive components are installed on oil-immersed type transformer appearance The region easily to burst.
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office Be limited to form disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations, modification and Environment, and can be changed within that scope of the inventive concept describe herein by the above teachings or related fields of technology or knowledge It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention In scope of protection of the claims.

Claims (10)

1. a kind of oil-immersed type transformer convenient for heat dissipation, it is characterised in that: including heat radiation oil box (2), inside heat radiation oil box Transformer body (1), the transformer body with heat radiation oil box is provided with sealing element, the transformer body bottom is provided with branch Support pedestal (4) is provided with drain line (5) positioned at heat radiation oil box lower right side, and sensing element, institute are equipped with inside the transformer body It states and is provided with PLC controller (6) above heat radiation oil box, be fixedly connected with oil purifier, the absolute oil on the left of the heat radiation oil box Device is equipped with oil outlet, and the oil outlet is connected with conservator oil inlet, and faulty oil storage Oil-gas Separation is arranged in the conservator Unit, the oil purifier and conservator are provided with quantity testing device for oil, and the front center position of the heat radiation oil box is provided with aobvious Showing device (3), the display device are connected with quantity testing device for oil and sensing element for showing oil mass and transformer Parameter, the transformer are provided with pressure control device and temperature control equipment, the pressure control device and temperature control Device processed is connected with sensing element, is fixedly connected with warning device, the warning device lower end on the left of the transformer body Equipped with cooler.
2. a kind of oil-immersed type transformer convenient for heat dissipation according to claim 1, it is characterised in that: the heat radiation oil box setting There is anticollision device, collision-prevention device, the anticollision device, collision-prevention device is crash barrier (7), it is provided with improved mat between the heat radiation oil box and support base, The support base is internally provided with threaded hole for installing fixing bolt, and the bottom of the support base is bonded with electro-insulating rubber Pad.
3. a kind of oil-immersed type transformer convenient for heat dissipation according to claim 1, it is characterised in that: at the top of the heat radiation oil box It is fixedly connected with high-voltage conductive rod and low voltage conductive bar, the high-voltage conductive rod and low voltage conductive bar are connected with transformer body It connects, the high-voltage conductive rod surface has bushing.
4. a kind of oil-immersed type transformer convenient for heat dissipation according to claim 1, it is characterised in that: the sensing device includes Temperature sensing device, pressure sensitive device and failure sensing device, the temperature sensing device include probe-type fiber grating Temperature sensor is for detecting temperature.
5. a kind of oil-immersed type transformer convenient for heat dissipation according to claim 1, it is characterised in that: the heat radiation oil box is becoming The part of depressor body perimeter is equally distributed radiating fin, and the radiating fin height is identical, and spacing is identical;The heat dissipation Fin is the 08AL steel plate of hollow structure, and the radiating fin is provided with hollow pipe, the hollow pipe of all radiating fins For identical structure, radiating fin is provided with inlet and outlet.
6. a kind of oil-immersed type transformer convenient for heat dissipation according to claim 1, it is characterised in that: the cooler is forced Oily recirculation cooler, including water tank, into aqueduct, aqueduct, air-cooled radiating device, the air-cooled radiating device are connected to change out It radiates above depressor ontology to transformer body, the air-cooled radiating device includes blower, fixes device, described air-cooled scattered Thermal is connected with control centre is connected to the opening and closing of control centre's control air-cooled radiating device, and institute's water tank is set to installation The transformer body side of oil purifier, described to be connected into aqueduct one end with the water outlet of water tank, one end and radiating fin Import be connected, it is described go out aqueduct one end be connected with the water inlet end of water tank, one end is connected with the outlet of radiating fin.
7. a kind of oil-immersed type transformer convenient for heat dissipation according to claim 6, it is characterised in that: the water tank is provided with two Each and every one partitioning portion, water tank and inlet tank, the water tank are provided with water outlet, and the inlet tank is provided with water inlet end, institute State and be provided with purifier on the side wall of inlet tank, the purifier is provided with the first outlet pipe, first outlet pipe with Water tank is connected, and semiconductor refrigerating element is provided on the side wall of the water tank and is cooled down to the water of water tank.
8. a kind of oil-immersed type transformer convenient for heat dissipation according to claim 6, it is characterised in that: the blower is provided with 2 A, described into and out of aqueduct is snakelike stainless steel tube, is provided with nano coating on the outside of the snakelike stainless steel tube, described snakelike Corrosion-inhibiting coating is provided on the inside of stainless steel tube.
9. a kind of oil-immersed type transformer convenient for heat dissipation according to claim 4, it is characterised in that: the failure sensing device When sensing that transformer breaks down, sensing element unit starting, and controller is sent by enabling signal, and this moment, the transformation The transformer oil of expanded by heating is flowed into the failure oil storage Oil-gas Separation unit in device ontology, the transformer oil of the expanded by heating A large amount of combustible gas can be generated, by the failure oil storage Oil-gas Separation unit to the transformer oil of the expanded by heating and this can Burning gases carry out Oil-gas Separation movement, and the combustible gas is discharged into safety zone burning, cooler and radiating fin Piece carries out cooling movement to the transformer body, remaining transformer oil cooling in the transformer body is forced, when this is remaining The temperature of the transformer oil of transformer oil and the expanded by heating is lower than safe temperature, and pressure reduction is to just in the transformer body When normal pressure force value, the transformer oil of the expanded by heating is flowed back into the transformer body.
10. a kind of oil-immersed type transformer convenient for heat dissipation according to claim 1, it is characterised in that: the failure induction dress It is set to mechanical sensitive components.
CN201910097496.1A 2019-01-31 2019-01-31 A kind of oil-immersed type transformer convenient for heat dissipation Pending CN109712780A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112735756A (en) * 2020-12-24 2021-04-30 江苏新途电气设备有限公司 Sectional type efficient heat-dissipation transformer

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Publication number Priority date Publication date Assignee Title
CN204480862U (en) * 2015-03-05 2015-07-15 国家电网公司 A kind of oil-immersed type transformer
CN105097190A (en) * 2015-09-29 2015-11-25 深圳市旭明消防设备有限公司 Charged full-automatic flame failure protection device and protection method for oil immersed transformer
CN207038302U (en) * 2017-05-27 2018-02-23 天津通安变压器有限公司 A kind of supporting construction of new high-power transformer cooler
CN107731477A (en) * 2017-11-12 2018-02-23 冯龙梦 A kind of anti-aging oil-filled transformer
CN207116171U (en) * 2017-07-27 2018-03-16 天津众拓变压器有限公司 A kind of antiseismic oil-immersed transformer
CN207425552U (en) * 2017-10-23 2018-05-29 万家通用智能电气有限公司 A kind of oil-immersed transformer structure
CN108172364A (en) * 2017-12-21 2018-06-15 重庆九能控股有限公司 Low-loss transformer can drop in one kind
CN207719034U (en) * 2017-12-15 2018-08-10 贵州磁宇电子科技有限公司 A kind of intelligence loaded capacity regulating voltage regulating transformer
CN207947146U (en) * 2017-12-11 2018-10-09 青海泰喆电力工程有限公司 A kind of novel intelligent distribution transformer

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204480862U (en) * 2015-03-05 2015-07-15 国家电网公司 A kind of oil-immersed type transformer
CN105097190A (en) * 2015-09-29 2015-11-25 深圳市旭明消防设备有限公司 Charged full-automatic flame failure protection device and protection method for oil immersed transformer
CN207038302U (en) * 2017-05-27 2018-02-23 天津通安变压器有限公司 A kind of supporting construction of new high-power transformer cooler
CN207116171U (en) * 2017-07-27 2018-03-16 天津众拓变压器有限公司 A kind of antiseismic oil-immersed transformer
CN207425552U (en) * 2017-10-23 2018-05-29 万家通用智能电气有限公司 A kind of oil-immersed transformer structure
CN107731477A (en) * 2017-11-12 2018-02-23 冯龙梦 A kind of anti-aging oil-filled transformer
CN207947146U (en) * 2017-12-11 2018-10-09 青海泰喆电力工程有限公司 A kind of novel intelligent distribution transformer
CN207719034U (en) * 2017-12-15 2018-08-10 贵州磁宇电子科技有限公司 A kind of intelligence loaded capacity regulating voltage regulating transformer
CN108172364A (en) * 2017-12-21 2018-06-15 重庆九能控股有限公司 Low-loss transformer can drop in one kind

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112735756A (en) * 2020-12-24 2021-04-30 江苏新途电气设备有限公司 Sectional type efficient heat-dissipation transformer

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Application publication date: 20190503