CN206558321U - A kind of transformer underground oil storage cooling compensating device - Google Patents
A kind of transformer underground oil storage cooling compensating device Download PDFInfo
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- CN206558321U CN206558321U CN201720250359.3U CN201720250359U CN206558321U CN 206558321 U CN206558321 U CN 206558321U CN 201720250359 U CN201720250359 U CN 201720250359U CN 206558321 U CN206558321 U CN 206558321U
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Abstract
The utility model is related to a kind of transformer underground oil storage cooling compensating device, and liquid cooling case and liquid circulation case are located at the lower section of transformer respectively, and may be contained within being provided with bellow oil conservator in below ground, liquid circulation case；Cooling liquid circulation line includes upper circular tube road and lower circulation line, and liquid cooling case is connected by upper circular tube road and lower circulation line with liquid circulation case respectively；Transformer oil circulation line includes hot oil circulating pipeline and cold oil circulation line, and one end of hot oil circulating pipeline and cold oil circulation line is connected with bellow oil conservator respectively, and the other end is connected with transformer respectively；Check valve is respectively equipped with check valve and circulating pump of the lower circulation line provided with control cooling liquid circulation, check valve and circulating pump of the cold oil circulation line provided with the hot and cold oil circulation of control, upper circular tube road and hot oil circulating pipeline.The utility model integrates transformer oil cooling and compensated, and reduces component, particularly oil reserve and reduces, saves the energy.
Description
Technical field
The utility model is related to the compensation device used in power system for oil-filled transformer and power equipment configuration, tool
Say it is a kind of transformer underground oil storage cooling compensating device body.
Background technology
At present, oil-immersed power transformer is equipped with radiator and oil conservater component, and each component has to transformer
Its independent function, and be all arranged on ground.Radiator is arranged on around oil tank of transformer, for dissipating for transformer oil
Heat；Oil conservater is arranged on the top or one end of oil tank of transformer, the change to compensator transformer oil volume.Because its ground is installed
There are the following problems with independent action：
1. gilled radiator is communicated with oil tank of transformer, the consumption of transformer oil is added, cost is higher；While chip,
Water-filled radiator is arranged on around transformer, increases floor space, causes to install inconvenience.
2. oil conservater is typically mounted at the top or one end of transformer, the insulation of larger appearance and size influence transformer away from
From；Install limited especially in tunnel, with certain limitation.
3. oil conservater is in the higher position of transformer, makes installation, oiling, safeguard both inconvenient or dangerous；In addition, oil storage
The oil temperature of cabinet storage inside is lower than the oil temperature of transformer, but does not flow, and causes the wasting of resources.
4. once occurring accident, easily environment is polluted, is unfavorable for environmental protection, and the maintenance of each component is added
Operating cost.
Utility model content
In view of the component above shortcomings, this reality such as radiator, oil conservater of existing oil-immersed power transformer configuration
It is to provide a kind of transformer underground oil storage cooling compensating device with new purpose.The cooling compensating device is placed in underground, makes
Radiating, compensation unite two into one, and can make transformer oil circulating cooling, the compensation of transformer oil volume can be met again, makes transformation
Device and each component it is convenient for installation and maintenance.
The purpose of this utility model is achieved through the following technical solutions：
The utility model includes liquid cooling case, liquid circulation case, bellow oil conservator, cooling liquid circulation line and transformation
Device oil circuit piping, wherein liquid cooling case and liquid circulation case respectively be located at transformer lower section, and may be contained within ground with
Under, bellow oil conservator is installed in the liquid circulation case；The cooling liquid circulation line include upper circular tube road and under follow
Endless tube road, the liquid cooling case is connected by the upper circular tube road and lower circulation line with liquid circulation case respectively；It is described
Transformer oil circulation line includes hot oil circulating pipeline and cold oil circulation line, the hot oil circulating pipeline and cold oil circulation line
One end is connected with the bellow oil conservator respectively, and the other end is connected with the transformer respectively；On the lower circulation line
Check valve and circulating pump provided with control cooling liquid circulation, the cold oil circulation line is provided with the hot and cold oil circulation of control
Check valve is respectively equipped with check valve and circulating pump, the upper circular tube road and hot oil circulating pipeline；
Wherein：Liquid level gauge of the liquid circulation case provided with observation liquid level；The side of the bellow oil conservator is provided with oil
Position meter；Exhaust oil filling pipeline is communicated with the bellow oil conservator；Install guaranteed bellow oil conservator on the bellow oil conservator additional
The internally dry dehydrating breather of corrugated core body；
The two ends on the upper circular tube road are connected with the top of the top of liquid cooling case and liquid circulation case respectively, institute
The two ends for stating lower circulation line are connected with the bottom of liquid cooling case and the bottom of liquid circulation case respectively；The hot-oil circulation
One end of pipeline at the top of the ripple core body in bellow oil conservator with being connected, and the other end is connected with the top of the transformer
It is logical；One end of the cold oil circulation line is connected with the bottom of the ripple core body in bellow oil conservator, and the other end becomes with described
The bottom of depressor is connected；
The liquid cooling case is built with cooling liquid, the cooling liquid that the oil temperature in the bellow oil conservator passes through circulation
Cooling, and then reduce the oil temperature in the transformer；The transformer oil Volume Changes that the oil temperature change of the transformer is brought are led to
Cross the expansion or shrinkage compensation of ripple core body in the bellow oil conservator.
Advantage of the present utility model is with good effect：
1. the utility model integrates transformer oil cooling and compensated, component is reduced, the cost of transformer is saved,
Particularly oil reserve is reduced, and saves the energy.
2. the utility model is arranged on underground, floor space is reduced, is not limited by transformer insulated distance, Ke Yiman
The use of sufficient transformer under special circumstances needs, easy for installation, the maintenance of be more convenient for transformer and each component.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Wherein：1 is transformer, and 2 be hot oil circulating pipeline, and 3 be check valve, and 4 be upper circular tube road, and 5 be liquid cooling case,
6 be lower circulation line, and 7 be liquid level gauge, and 8 be oil level indicator, and 9 be liquid circulation case, and 10 be dehydrating breather, and 11 be bellow oil conservator, 12
It is exhaust oil filling pipeline for circulating pump, 13,14 be cold oil circulation line.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in figure 1, the utility model includes liquid cooling case 5, liquid circulation case 9, bellow oil conservator 11, cooling liquid
Circulation line and transformer oil circulation line, wherein liquid cooling case 5 and liquid circulation case 9 respectively positioned at transformer 1 lower section,
It is placed side by side, and may be contained within that bellow oil conservator 11 is installed in below ground, liquid circulation case 9.Cooling liquid circulation line
Including upper circular tube road 4 and lower circulation line 6, transformer oil circulation line includes hot oil circulating pipeline 2 and cold oil circulation line
14, the two ends on upper circular tube road 4 are connected with the top of liquid cooling case 5 and the top of liquid circulation case 9 respectively, lower circulation pipe
The two ends on road 6 are connected with the bottom of liquid cooling case 5 and the bottom of liquid circulation case 9 respectively, and liquid cooling case 5 passes through respectively
The upper circular tube road 4 and lower circulation line 6 are connected with liquid circulation case 9.One end of hot oil circulating pipeline 2 and bellow oil conservator
It is connected at the top of ripple core body in 11, the other end is connected with the top of transformer 1.One end of cold oil circulation line 14 with
The bottom of ripple core body in bellow oil conservator 11 is connected, and the other end is connected with the bottom of transformer 1.Lower circulation line 6
Check valve 3 and circulating pump 12 provided with control cooling liquid circulation, cold oil circulation line 14 is provided with the hot and cold oil circulation of control
Check valve 3 and circulating pump 12, be respectively equipped with check valve 3 on upper circular tube road 4 and hot oil circulating pipeline 2.On upper circular tube road 4
Check valve 3 cooling liquid flowing direction (cooling liquid can only flow to liquid cooling case 5 by liquid circulation case 9) and lower circulation
Cooling liquid flowing direction of check valve 3 on pipeline 6 (cooling liquid can only flow to liquid circulation case 9 by liquid cooling case 5)
On the contrary, the circulation to form cooling liquid.Transformer oil flow direction (the transformer oil of check valve 3 on hot oil circulating pipeline 2
The ripple core body in bellow oil conservator 11 can only be flowed to by transformer 1) with cold oil circulation line 14 on check valve 3 transformer
Oily flow direction (the corrugated core direction of flow transformer 1 that transformer oil can only be in bellow oil conservator 11) is opposite.
The side of liquid circulation case 9 is provided with liquid level gauge 7, for observing liquid level.
The side of bellow oil conservator 11 is provided with oil level indicator 8, and the oil level for observing bellow oil conservator 11 changes.In ripple storage
The top of Oil Tank 11 is separately installed with dehydrating breather 10 and exhaust oil filling pipeline 13, the exhaust oil filling pipeline 13 and bellow oil conservator 11
Interior corrugated core body phase connection, the dehydrating breather 10 installed additional can ensure the drying of ripple core body.
Liquid cooling case 5 is built with cooling liquid, and the oil temperature in bellow oil conservator 11 is cooled by the cooling liquid of circulation,
And then reduce the oil temperature in transformer 1.Cooling liquid can use air using method cooling physically or chemically, physical method
Compressor, chemical method can be using the chemical endothermic reaction.The transformer oil Volume Changes that the oil temperature change of transformer 1 is brought are led to
Cross the expansion or shrinkage compensation of ripple core body in bellow oil conservator 11.
Bellow oil conservator 11 of the present utility model is illustrating for the utility model possible embodiments, and is not used to
Scope of patent protection of the present utility model is limited, oil conservater can be the oil conservater of arbitrary form structure.
Operation principle of the present utility model is：
Liquid cooling case 5, liquid circulation case 9 are connected by upper circular tube road 4 with lower circulation line 6 respectively, and by check valve 3
And circulating pump 12 controls the circulation of cooling liquid.Bellow oil conservator 11 is placed in liquid circulation case 9, respectively by hot oil circulating pipeline
2 and cold oil circulation line 14 connected with the fuel tank of transformer 1, form hermetically sealed oil piping system, and by check valve 3 and circulating pump
The 12 hot and cold oily circulations of control.
Contain cooling liquid in normal operating conditions, liquid cooling case 5 and liquid circulation case 9, upper circular tube road 4, under follow
Endless tube road 6 is in opening state, and the temperature of oil in transformer in bellow oil conservator 11 is reduced by the circulation of cooling liquid.Together
When, hot oil circulating pipeline 2, cold oil circulation line 14 are open-minded, the oil temperature by hot and cold oily circulation to reduce in transformer 1.
Transformation is compensated when the oil temperature of transformer 1 is raised and lowered, and by the expansion of ripple core body in bellow oil conservator 11, contraction
The change of device oil volume.
The utility model changes with the oil temperature of transformer and forms oil circuit natural circulation cooling, and passes through the swollen of ripple core body
Swollen, contraction carrys out the change of compensator transformer oil volume, it is ensured that the safe operation of transformer.
Claims (7)
1. a kind of transformer underground oil storage cooling compensating device, it is characterised in that：Including liquid cooling case (5), liquid circulation case
(9), bellow oil conservator (11), cooling liquid circulation line and transformer oil circulation line, wherein liquid cooling case (5) and liquid
Circulating box (9) is located at the lower section of transformer (1) respectively, and may be contained within being provided with below ground, the liquid circulation case (9)
Bellow oil conservator (11)；The cooling liquid circulation line includes upper circular tube road (4) and lower circulation line (6), the liquid
Cooler bin (5) is connected by the upper circular tube road (4) and lower circulation line (6) with liquid circulation case (9) respectively；The transformation
Device oil circuit piping includes hot oil circulating pipeline (2) and cold oil circulation line (14), the hot oil circulating pipeline (2) and cold oil circulation
One end of pipeline (14) is connected with the bellow oil conservator (11) respectively, and the other end is connected with the transformer (1) respectively；
Check valve (3) and circulating pump (12) of the lower circulation line (6) provided with control cooling liquid circulation, the cold oil circulation pipe
Road (14) is provided with the check valve (3) and circulating pump (12) that control hot and cold oil circulation, and the upper circular tube road (4) and deep fat are followed
Check valve (3) is respectively equipped with endless tube road (2).
2. transformer underground oil storage cooling compensating device according to claim 1, it is characterised in that：The liquid circulation case
(9) liquid level gauge (7) provided with observation liquid level.
3. transformer underground oil storage cooling compensating device according to claim 1, it is characterised in that：The bellow oil conservator
(11) side is provided with oil level indicator (8).
4. transformer underground oil storage cooling compensating device according to claim 1, it is characterised in that：The bellow oil conservator
(11) exhaust oil filling pipeline (13) is communicated with.
5. transformer underground oil storage cooling compensating device according to claim 1, it is characterised in that：The bellow oil conservator
(11) the internally dry dehydrating breather (10) of the corrugated core body of guaranteed bellow oil conservator (11) is installed on additional.
6. transformer underground oil storage cooling compensating device according to claim 1, it is characterised in that：The upper circular tube road
(4) two ends are connected with the top of the top of liquid cooling case (5) and liquid circulation case (9) respectively, the lower circulation line
(6) two ends are connected with the bottom of liquid cooling case (5) and the bottom of liquid circulation case (9) respectively；The hot-oil circulation pipe
The one end on road (2) at the top of the ripple core body in bellow oil conservator (11) with being connected, the top of the other end and the transformer (1)
Portion is connected；One end of the cold oil circulation line (14) is connected with the bottom of the ripple core body in bellow oil conservator (11),
The other end is connected with the bottom of the transformer (1).
7. transformer underground oil storage cooling compensating device according to claim 1, it is characterised in that：The liquid cooling case
(5) built with cooling liquid, the oil temperature in the bellow oil conservator (11) is cooled by the cooling liquid of circulation, and then reduces institute
State the oil temperature in transformer (1)；The transformer oil Volume Changes that the oil temperature change of the transformer (1) is brought pass through the ripple
The expansion or shrinkage compensation of the interior ripple core body of oil conservater (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720250359.3U CN206558321U (en) | 2017-03-15 | 2017-03-15 | A kind of transformer underground oil storage cooling compensating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720250359.3U CN206558321U (en) | 2017-03-15 | 2017-03-15 | A kind of transformer underground oil storage cooling compensating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206558321U true CN206558321U (en) | 2017-10-13 |
Family
ID=60364007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720250359.3U Active CN206558321U (en) | 2017-03-15 | 2017-03-15 | A kind of transformer underground oil storage cooling compensating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206558321U (en) |
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2017
- 2017-03-15 CN CN201720250359.3U patent/CN206558321U/en active Active
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