CN206991886U - A kind of buried oil-filled transformer with step cooler - Google Patents
A kind of buried oil-filled transformer with step cooler Download PDFInfo
- Publication number
- CN206991886U CN206991886U CN201720535174.7U CN201720535174U CN206991886U CN 206991886 U CN206991886 U CN 206991886U CN 201720535174 U CN201720535174 U CN 201720535174U CN 206991886 U CN206991886 U CN 206991886U
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- Prior art keywords
- oil
- cooling
- transformer
- fuel tank
- water tank
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Abstract
The utility model discloses a kind of buried oil-filled transformer with step cooler, including transformer body, three-level cooling device and cooling control system, first order cooling device include the fin of fuel tank, transformer oil and fuel tank periphery；Second level cooling device includes oil pump, circulating cooling pipeline, water tank and gravity assisted heat pipe, circulating cooling pipeline includes ground cold segment pipe and air cooling segment pipe, the heat absorbing end of gravity assisted heat pipe and ground cold segment pipe leaching are located in the water in water tank, and water tank and gravity assisted heat pipe are embedded in the below ground of basement；Third level cooling device includes ventilation shaft and cooling blower；The control system includes temperature sensor, controller and frequency converter, and the control terminal of two signal output parts of controller respectively with frequency converter and cooling blower is connected.The utility model can carry out intelligent control according to the environment temperature residing for transformer and load to its heat dispersal situations, enhance the adaptive capacity to environment and overload capacity of oil-filled transformer.
Description
Technical field
The utility model belongs to buried oil-filled transformer technical field, and in particular to a kind of with step cooler
Buried oil-filled transformer.
Background technology
Buried oil-filled transformer is arranged in basement or cellar, is adapted to urban environment, is especially suitable for densely populated
Key city.During transformer station high-voltage side bus, heat caused by the loss in winding and iron core must dissipate away in time, in order to avoid overheat
Reduce service life or cause transformer damage.
The temperature of inside transformer is relevant with the environment temperature residing for transformer and the load of transformer, basement or
Cellar environment closing, it is desirable to which the cooling device of buried oil-filled transformer has the radiating mode being adapted with its environment, tradition
The mode such as air-cooled, water cooling be difficult in adapt to the radiating requirements of buried oil-filled transformer, to the environment of buried oil-filled transformer
Adaptability and overload capacity cause adverse effect；Meanwhile as energy-saving and emission-reduction are increasingly subject to pay attention to, people are no longer simply single
Pure concern performance, the energy consumption of product turns into one of important indicator for weighing product, when designing heat sink conception, it is necessary to consider to radiate
The energy-efficient performance of device, at present, the cooling device of buried oil-filled transformer generally can not be according to environment temperature and load
Classification regulation and control internal temperature.
Utility model content
The purpose of this utility model is to overcome above-mentioned buried oil-filled transformer to be difficult in adapt to dissipating for basement enclosed environment
Heat needs, the deficiency for being adversely affected the adaptive capacity to environment of transformer and overload capacity, there is provided one kind has classification cold
But the buried oil-filled transformer of device.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions：One kind has classification cooling dress
The buried oil-filled transformer put, is placed in basement, including transformer body, three-level cooling device and cooling control system,
First order cooling device includes the fin of fuel tank, the transformer oil in fuel tank and fuel tank periphery, and transformer body leaching is located at oil
In transformer oil in case；Second level cooling device includes oil pump, circulating cooling pipeline, water tank and gravity assisted heat pipe, and oil pump enters
Oily end is connected with the oil-out of fuel tank bottom, and the oil outlet end of oil pump is connected by circulating cooling pipeline and the oil inlet on fuel tank top
Logical, circulating cooling pipeline includes ground cold segment pipe and air cooling segment pipe, and ground cold segment pipe and air cooling segment pipe are
Spiral shape, the heat absorbing end of gravity assisted heat pipe and ground cold segment pipe leaching are located in the water in water tank, and the radiating end of gravity assisted heat pipe is located at water
Case top, water tank and gravity assisted heat pipe are embedded in the below ground of basement, and air cooling segment pipe is exposed in basement
In air；Third level cooling device includes the ventilation shaft and cooling blower for cooling down segment pipe for air and providing ventilation, ventilation duct
The air inlet in road is located at the top of air cooling segment pipe, and air outlet is located at more than ground, and cooling blower is provided with ventilation shaft；
The cooling control system includes temperature sensor, controller and frequency converter, and temperature sensor is located at the inwall of fuel tank, its signal
The signal input part of output end and controller connects, two signal output parts of controller respectively with frequency converter and cooling blower
Control terminal connects, and the ac output end of frequency converter electrically connects with oil pump.
It is described as a kind of further improvement of the buried oil-filled transformer with step cooler of the utility model
The radiating end of gravity assisted heat pipe is 0.5 meter ~ 2 meters with the distance of underground room floor.
It is described as a kind of further improvement of the buried oil-filled transformer with step cooler of the utility model
The material of water tank is 304 stainless steels, and water tank periphery is provided with radiating ribs.
It is described as a kind of further improvement of the buried oil-filled transformer with step cooler of the utility model
The material of circulating cooling pipeline is 304 stainless steels.
It is described as a kind of further improvement of the buried oil-filled transformer with step cooler of the utility model
Two filter screens are additionally provided with ventilation shaft, two filter screens are separately positioned on above and below cooling blower.
A kind of buried oil-filled transformer with step cooler provided by the utility model, can be according to transformer
Residing environment temperature and load carries out intelligent control to the heat dispersal situations of transformer：Temperature sensor is by the oil in fuel tank
Warm signal is delivered to controller, and controller automatically adjusts second and the work of third level heat abstractor：When temperature residing for transformer compared with
It is low, when load is smaller, the work of first order heat abstractor, i.e., radiated using transformer oil and fin；When temperature sensor gathers
When being less than the second setting value higher than the first setting value to oily the temperature inside the box, first order heat abstractor can not meet the needs that radiate,
Start second level heat abstractor by controller to work, i.e., oil circulation and fin work simultaneously, and such a working method is transformation
The main working method of device, by the use of the earth as oil circulate first of low-temperature receiver, greatly the transformer oil higher to temperature have very
The structure of good cooling-down effect, gravity assisted heat pipe and water tank can improve the heat absorption efficiency of ground cold segment pipe, increase the heat absorption sky of the earth
Between, the temperature near water tank reaches balance, and the transformer oil of outflow ground cold segment pipe remains above environment temperature, transformer oil stream
When cooling down segment pipe through volute type air, the temperature that temperature of oil in transformer is cooled to close to environment using air heat absorption injects transformation
The fuel tank of device, in this course of work, controller utilizes Frequency Converter Control oil pump according to the temperature control frequency converter of temperature sensor
Rotating speed, oil temperature accelerates pump speed when raising, and oil temperature reduces pump speed when declining, and realizes energy-saving effect；Work as TEMP
When device collects oily the temperature inside the box and is higher than the second setting value, preceding two-stage radiation device is difficult to meet radiating needs, in preceding two-stage group
Start third level heat abstractor on the basis of part work to work simultaneously, cooling blower can accelerate circulation cooling pipeline radiating efficiency.
The utility model can be according to environment temperature and load classification regulation and control internal temperature, and radiating and energy-saving effect are good, enhance
The adaptive capacity to environment and overload capacity of oil-filled transformer.
Brief description of the drawings
Fig. 1 is the structural representation of the buried oil-filled transformer of the utility model；
Reference：1st, fuel tank, 2, fin, 3, oil pump, 4, water tank, 5, gravity assisted heat pipe, 6, cold segment pipe, 7, air
Cool down segment pipe, 8, ventilation shaft, 9 cooling blowers.
Embodiment
With reference to embodiment and the accompanying drawing buried oil immersed type transformation with step cooler a kind of to the utility model
The technical scheme of device is further described.
As shown in figure 1, a kind of buried oil-filled transformer with step cooler, including transformer body, three-level
Cooling device and cooling control system, first order cooling device include fuel tank 1, the transformer oil in fuel tank 1 and the periphery of fuel tank 1
Fin 2, transformer body leaching are located in the transformer oil in fuel tank 1；Second level cooling device includes oil pump 3, circulating cooling
Pipeline, water tank 4 and gravity assisted heat pipe 5, the oil inlet end of oil pump 3 connect with the oil-out of the bottom of fuel tank 1, and the oil outlet end of oil pump 3 passes through
Circulating cooling pipeline connects with the oil inlet on the top of fuel tank 1, and circulating cooling pipeline includes ground cold segment pipe 6 and air cooling section pipe
Road 7, ground cold segment pipe 6 and air cooling segment pipe 7 are spiral shape, and the material of circulating cooling pipeline is 304 stainless steels, gravity
The heat absorbing end of heat pipe 5 and the ground leaching of cold segment pipe 6 are located in the water in water tank 4, and the radiating end of gravity assisted heat pipe 5 is located at the top of water tank 4,
Water tank 4 and gravity assisted heat pipe 5 are embedded in the below ground of basement, and the material of water tank 4 is 304 stainless steels, and the periphery of water tank 4 is provided with
Radiating ribs, the radiating end of gravity assisted heat pipe 5 can be 0.5 meter, 1.8 meters or 2 meters with the distance of underground room floor, air cooling segment pipe
In the 7 exposed air in basement；Third level cooling device includes the ventilation shaft for cooling down segment pipe 7 for air and providing ventilation
8 and cooling blower 9, the air inlet of ventilation shaft 8 is located at the top of air cooling segment pipe 7, and air outlet is located at more than ground, led to
Cooling blower 9 is provided with wind pipeline 8, is provided with two filter screens in ventilation shaft 8, two filter screens are separately positioned on cooling blower 9
Above and below；The cooling control system includes temperature sensor, controller and frequency converter, and temperature sensor is located at fuel tank 1
Inwall, the signal input part of its signal output part and controller connects, two signal output parts of controller respectively with frequency conversion
Device connects with the control terminal of cooling blower 9, and the ac output end of frequency converter electrically connects with oil pump 3.
A kind of buried oil-filled transformer with step cooler provided by the utility model, can be according to transformer
Residing environment temperature and load carries out intelligent control to the heat dispersal situations of transformer：Temperature sensor is by the oil in fuel tank
Warm signal is delivered to controller, and controller automatically adjusts second and the work of third level heat abstractor：When temperature residing for transformer compared with
It is low, when load is smaller, the work of first order heat abstractor, i.e., radiated using transformer oil and fin；When temperature sensor gathers
When being less than the second setting value higher than the first setting value to oily the temperature inside the box, first order heat abstractor can not meet the needs that radiate,
Start second level heat abstractor by controller to work, i.e., oil circulation and fin work simultaneously, and such a working method is transformation
The main working method of device, by the use of the earth as oil circulate first of low-temperature receiver, greatly the transformer oil higher to temperature have very
The structure of good cooling-down effect, gravity assisted heat pipe and water tank can improve the heat absorption efficiency of ground cold segment pipe, increase the heat absorption sky of the earth
Between, the temperature near water tank reaches balance, and the transformer oil of outflow ground cold segment pipe remains above environment temperature, transformer oil stream
When cooling down segment pipe through volute type air, the temperature that temperature of oil in transformer is cooled to close to environment using air heat absorption injects transformation
Device fuel tank, in this course of work, controller utilizes Frequency Converter Control oil pump according to the temperature control frequency converter of temperature sensor
Rotating speed, oil temperature accelerate pump speed when raising, oil temperature reduces pump speed when declining, realizes energy-saving effect；Work as temperature sensor
When collecting oily the temperature inside the box and being higher than the second setting value, preceding two-stage radiation device is difficult to meet radiating needs, in preceding two level assembly
Start third level heat abstractor on the basis of work to work simultaneously, cooling blower can accelerate circulation cooling pipeline radiating efficiency.This
Utility model can be according to environment temperature and load classification regulation and control internal temperature, and radiating and energy-saving effect are good, enhance oil
The adaptive capacity to environment and overload capacity of immersion transformer.
It is described above, only it is preferred embodiment of the present utility model, not makees any formal limit to the utility model
System, although the utility model is disclosed above with preferred embodiment, is not limited to the utility model, any to be familiar with this specialty
Technical staff, do not departing from the range of technical solutions of the utility model, made when using the technology contents of the disclosure above
Perhaps the equivalent embodiment of equivalent variations is changed or be modified to, as long as without departing from the content of the technical scheme of the utility model, is still fallen within
In the range of technical solutions of the utility model.
Claims (5)
1. a kind of buried oil-filled transformer with step cooler, is placed in basement, it is characterised in that：Including transformation
Device body, three-level cooling device and cooling control system, first order cooling device include fuel tank（1）, fuel tank（1）Interior transformer
Oil and fuel tank（1）The fin of periphery（2）, transformer body, which soaks, is located at fuel tank（1）In interior transformer oil；Second level cooling dress
Put including oil pump（3）, circulating cooling pipeline, water tank（4）And gravity assisted heat pipe（5）, oil pump（3）Oil inlet end and fuel tank（1）Bottom
Oil-out connection, oil pump（3）Oil outlet end pass through circulating cooling pipeline and fuel tank（1）The oil inlet connection on top, circulation are cold
But pipeline includes ground cold segment pipe（6）Segment pipe is cooled down with air（7）, ground cold segment pipe（6）Segment pipe is cooled down with air（7）
For spiral shape, gravity assisted heat pipe（5）Heat absorbing end and ground cold segment pipe（6）Leaching is located at water tank（4）In interior water, gravity assisted heat pipe（5）
Radiating end be located at water tank（4）Top, water tank（4）And gravity assisted heat pipe（5）It is embedded in the below ground of basement, air cooling
Segment pipe（7）In the exposed air in basement；Third level cooling device includes cooling down segment pipe for air（7）Ventilation is provided
Ventilation shaft（8）And cooling blower（9）, ventilation shaft（8）Air inlet be located at air cooling segment pipe（7）Top, go out
Air port is located at more than ground, ventilation shaft（8）It is interior to be provided with cooling blower（9）；The cooling control system include temperature sensor,
Controller and frequency converter, temperature sensor are located at fuel tank（1）Inwall, the signal input part of its signal output part and controller connects
Connect, two signal output parts of controller respectively with frequency converter and cooling blower（9）Control terminal connection, the exchange of frequency converter is defeated
Go out end and oil pump（3）Electrical connection.
A kind of 2. buried oil-filled transformer with step cooler as claimed in claim 1, it is characterised in that：It is described
Gravity assisted heat pipe（5）The distance of radiating end and underground room floor be 0.5 meter ~ 2 meters.
A kind of 3. buried oil-filled transformer with step cooler as claimed in claim 1, it is characterised in that：It is described
Water tank（4）Material be 304 stainless steels, water tank（4）Periphery is provided with radiating ribs.
A kind of 4. buried oil-filled transformer with step cooler as claimed in claim 1, it is characterised in that：It is described
The material of circulating cooling pipeline is 304 stainless steels.
A kind of 5. buried oil-filled transformer with step cooler as claimed in claim 1, it is characterised in that：It is described
Ventilation shaft（8）Two filter screens are inside additionally provided with, two filter screens are separately positioned on cooling blower（9）Above and below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720535174.7U CN206991886U (en) | 2017-05-16 | 2017-05-16 | A kind of buried oil-filled transformer with step cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720535174.7U CN206991886U (en) | 2017-05-16 | 2017-05-16 | A kind of buried oil-filled transformer with step cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206991886U true CN206991886U (en) | 2018-02-09 |
Family
ID=61389216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720535174.7U Expired - Fee Related CN206991886U (en) | 2017-05-16 | 2017-05-16 | A kind of buried oil-filled transformer with step cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206991886U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107103978A (en) * | 2017-05-16 | 2017-08-29 | 天晟电气股份有限公司 | A kind of buried oil-filled transformer with step cooler |
| CN108759292A (en) * | 2018-06-22 | 2018-11-06 | 日照职业技术学院 | A kind of pitch cooling device and control method, control system |
| CN109654091A (en) * | 2018-12-24 | 2019-04-19 | 江苏联峰工业装备科技有限公司 | A kind of hydraulic device cooling device |
| CN111415801A (en) * | 2020-04-30 | 2020-07-14 | 广东电网有限责任公司东莞供电局 | Dual cooling transformer |
| CN111430116A (en) * | 2020-05-14 | 2020-07-17 | 华翔翔能科技股份有限公司 | Water-cooled wind power transformer |
| CN112687449A (en) * | 2020-12-15 | 2021-04-20 | 唐山远宏电气设备有限公司 | Transformer device reaches transformer including it |
| CN114520098A (en) * | 2020-11-19 | 2022-05-20 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Immersion type liquid cooling loop circulation heat dissipation system and magnetic suspension transportation system with same |
-
2017
- 2017-05-16 CN CN201720535174.7U patent/CN206991886U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107103978A (en) * | 2017-05-16 | 2017-08-29 | 天晟电气股份有限公司 | A kind of buried oil-filled transformer with step cooler |
| CN107103978B (en) * | 2017-05-16 | 2019-05-10 | 天晟电气股份有限公司 | A kind of buried oil-immersed transformer with step cooler |
| CN108759292A (en) * | 2018-06-22 | 2018-11-06 | 日照职业技术学院 | A kind of pitch cooling device and control method, control system |
| CN109654091A (en) * | 2018-12-24 | 2019-04-19 | 江苏联峰工业装备科技有限公司 | A kind of hydraulic device cooling device |
| CN109654091B (en) * | 2018-12-24 | 2024-01-12 | 江苏联峰工业装备科技有限公司 | Cooling device for hydraulic equipment |
| CN111415801A (en) * | 2020-04-30 | 2020-07-14 | 广东电网有限责任公司东莞供电局 | Dual cooling transformer |
| CN111430116A (en) * | 2020-05-14 | 2020-07-17 | 华翔翔能科技股份有限公司 | Water-cooled wind power transformer |
| CN114520098A (en) * | 2020-11-19 | 2022-05-20 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Immersion type liquid cooling loop circulation heat dissipation system and magnetic suspension transportation system with same |
| CN112687449A (en) * | 2020-12-15 | 2021-04-20 | 唐山远宏电气设备有限公司 | Transformer device reaches transformer including it |
| CN112687449B (en) * | 2020-12-15 | 2022-10-25 | 唐山远宏电气设备有限公司 | Transformer device reaches transformer including it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 Termination date: 20180516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |