CN208848709U - Inner oil type metal bellow oil conservator with cooling transformer oil temperature function - Google Patents
Inner oil type metal bellow oil conservator with cooling transformer oil temperature function Download PDFInfo
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- CN208848709U CN208848709U CN201821267255.4U CN201821267255U CN208848709U CN 208848709 U CN208848709 U CN 208848709U CN 201821267255 U CN201821267255 U CN 201821267255U CN 208848709 U CN208848709 U CN 208848709U
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- oil
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Abstract
The utility model relates to a kind of inner oil type metal bellow oil conservators with cooling transformer oil temperature function, cooling capillary is equipped in ripple expanding core body, cooling medium is housed in cooling capillary, the import and export of cooling capillary, at cooling recirculation system, is respectively communicated with expansion valve, condenser and the compressor with Oil-temperature control device by cooling cycle piping connection on cooling cycle pipeline；It is connected between ripple expanding core body and the fuel tank of transformer by oil circulation system, connecting tube and pipeline road are separately mounted on cabinet body, it is connected inside one end of connecting tube and ripple expanding core body, the other end is located at outside cabinet body and is divided into two-way by threeway, it is wherein communicated with the atmosphere all the way, another way is connected by oil circulating pump with the fuel tank of transformer；Ripple expanding core body is connected to by pipeline road with the fuel tank of transformer.The utility model solves the compensation of transformer oil volume change, while providing efficient cooling, the controllable air-conditioning system of oil temperature to transformer oil.
Description
Technical field
The utility model relates to the compensation of volume variation and temperature control devices, and specifically a kind of is that transformer and electric power are set
The inner oil type metal bellow oil conservator with cooling transformer oil temperature function that standby configuration uses.
Background technique
The type of cooling of existing power transformer is generally divided into three kinds, and oil-immersed self-cooled, oil-immersed forced-air cool and forced oil are followed
Ring.
Existing internal metal bellow expansion oil conservator uses stainless steel ripple core as cubage compensation element, complete
Completely cut off under conditions of air and moisture, is connected to by pipeline road with oil tank of transformer；When insulating oil temperature change, corrugated core
Body expansion or shrinkage therewith, to realize the volume compensation to insulating oil.
Oil conservater is in transformer oil high point, is the centrostigma of heat transfer.Existing oil conservater is the compensation of transformer
Device, transformer cooling system mostly use greatly the external type of cooling, and unit area cooling efficiency is low, causes transformer cooling device
Universal volume is excessive.
Utility model content
In view of above-mentioned the shortcomings of the prior art, the purpose of this utility model is to provide one kind to have cooling transformer
The inner oil type metal bellow oil conservator of oil temperature function.
The purpose of this utility model is achieved through the following technical solutions:
The utility model includes cabinet body and is installed on the intracorporal ripple expanding core body of the cabinet, is set in the ripple expanding core body
There is cooling capillary, cooling medium is housed in the cooling capillary, the import and export of the cooling capillary passes through cooling cycle pipe
Road connects into cooling recirculation system, expansion valve, condenser has been respectively communicated on the cooling cycle pipeline and with Oil-temperature control
The compressor of device；It is connected between the ripple expanding core body and the fuel tank of transformer by oil circulation system, the oil circulation
System includes connecting tube, pipeline road and oil circulating pump, and the connecting tube and pipeline road are separately mounted on cabinet body, connecting tube
One end be connected with the inside of ripple expanding core body, the other end is located at outside the cabinet body and is divided into two-way by threeway,
In communicated all the way with atmosphere, another way is connected by oil circulating pump with the fuel tank of transformer；The ripple expanding core body passes through defeated
Oil pipe line is connected to the fuel tank of transformer；
Wherein: the other end of the connecting tube is connected with an interface of threeway, and second interface of the threeway is logical
It crosses exhaust pipe to be communicated with the atmosphere, third interface passes through the outlet of pipeline A and oil circulating pump, the import of the oil circulating pump
It is connected by pipeline B with the fuel tank of transformer, circulating pipe butterfly valve is installed on the pipeline A, is pacified on the pipeline B
Equipped with maintenance butterfly valve；
The cooling capillary is stacked in the length direction bending of ripple expanding core body axial cross section；
Temperature detector is installed on the cooling cycle pipeline of the cooling capillary outlet connection；
The connecting tube includes metal hose and hard tube, which is installed on the cabinet body, and both ends are located at cabinet body
It is inside and outside, one end of the metal hose is connected with the inside of ripple expanding core body, the other end and the hard tube phase
Even.
The advantages of the utility model and good effect are as follows:
Cooling recirculation system is increased in the cabinet body of the utility model, instead of transformer cooling system, and reaching oil temperature can
The purpose of control solves the compensation of transformer oil volume change (i.e. oil conservater compensation function), meanwhile, it is provided to transformer oil
A kind of efficient cooling, the controllable air-conditioning system of oil temperature.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Wherein: 1 is oil circulating pump, and 2 be maintenance butterfly valve, and 3 be exhaust pipe, and 4 be circulating pipe butterfly valve, and 5 be cooling capillary,
6 be pipeline road, and 7 be ripple expanding core body, and 8 be cabinet body, and 9 be cooling cycle pipeline, and 10 be expansion valve, and 11 be condenser, 12
It is Oil-temperature control device for compressor, 13,14 be transformer, and 15 be pipeline A, and 16 be pipeline B, and 17 be connecting tube.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, the utility model includes cabinet body 8 and the ripple expanding core body 7 that is installed in the cabinet body 8, medium wave
It is equipped with cooling capillary 5 in line expanding core body 7, cooling medium, the import and export of cooling capillary 5 are housed in the cooling capillary 5
Cooling recirculation system is connected by cooling cycle pipeline 9, expansion valve 10, cold has been respectively communicated on the cooling cycle pipeline 9
Condenser 11 and compressor 12 with Oil-temperature control device 13.
It is connected between ripple expanding core body 7 and the fuel tank of transformer 14 by oil circulation system, the oil circulation system
Including connecting tube 17, pipeline road 6 and oil circulating pump 1, connecting tube 3 and pipeline road 6 are separately installed on the bottom surface of cabinet body 8,
The connecting tube 17 includes metal hose and hard tube, and hard tube is fixed on the bottom surface of cabinet body 8, and upper and lower ends are located at cabinet body 8
Inside and outside, an end of metal hose is connected to the top of ripple expanding core body 7 and is connected with the inside of ripple expanding core body 7
Logical, the other end is connected with one end of hard tube, and the other end of hard tube is located at outside cabinet body 8, and is divided into two-way by threeway, wherein one
Road atmosphere, another way are connected by oil circulating pump 1 with the fuel tank of transformer 14.The present embodiment is by the another of connecting tube 17
End is connected with an interface of threeway, and second interface of threeway is communicated with the atmosphere by exhaust pipe 3, and third interface passes through
The import of the outlet of pipeline A15 and oil circulating pump 1, oil circulating pump 1 is connected by pipeline B16 with the fuel tank of transformer 14
It is logical, circulating pipe butterfly valve 4 is installed on pipeline A15, maintenance butterfly valve 2 is installed on pipeline B16.It is swollen in order to improve ripple
The cooling effect of 7 interior insulation liquid (Seal Oil) of expansion core body, the present embodiment are axial in ripple expanding core body 7 by cooling capillary 5
The length direction bending in section is stacked, can be increased length of the cooling capillary 5 in ripple expanding core body 7, improves cooling be situated between
The transport path of matter and time.Pipeline road 6 is fixed on the bottom surface of cabinet body 8, ripple expanding core body 7 by pipeline road 6 with
The fuel tank of transformer 14 is connected to.
The working principle of the utility model are as follows:
Cooling recirculation system is increased in the cabinet body 8 of the utility model, instead of transformer cooling system, and reaching oil temperature can
The purpose of control solves the compensation of transformer oil volume change (i.e. oil conservater compensation function), meanwhile, it is provided to transformer oil
A kind of efficient cooling, the controllable air-conditioning system of oil temperature.Specifically:
Circulating pipe butterfly valve 4 and maintenance butterfly valve 2 are opened, by oil circulating pump 1 by ripple expanding core body 7 and transformer 14
Sealing oil system in fuel tank becomes controllable dynamic circulation.The fuel tank internal elevated-temperature seal oil of transformer 14 is by pipeline road 6
Into in ripple expanding core body 7, at the same time, the cooling capillary 5 installed inside ripple expanding core body 7 reduces oil temperature, cold
But circulation line 9 takes away heat, is then recycled back to Seal Oil after cooling by circulating pipe butterfly valve 4 and oil circulating pump 1
The fuel tank internal of transformer 14.Cooling capillary 5 is heat absorbing end, on the cooling cycle pipeline 9 of the cooling outlet of capillary 5 connection
Temperature detector is installed, Oil-temperature control device 13 is by the signal fed back to temperature detector, and adjustment compressor 12, condenser 11 are to medium
Controllable heat dissipation, refrigeration are carried out, then cooling medium is flowed back into cooling capillary 5 again by expansion valve 10, reaches controllable
Refrigeration effect.
Claims (5)
1. a kind of inner oil type metal bellow oil conservator with cooling transformer oil temperature function, including cabinet body and it is installed on the cabinet body
Interior ripple expanding core body, it is characterised in that: cooling capillary (5), the cooling capillary are equipped in the ripple expanding core body (7)
It manages and cooling medium is housed in (5), the import and export of the cooling capillary (5) connects into cooling by cooling cycle pipeline (9) and follows
Loop system has been respectively communicated with expansion valve (10), condenser (11) and with Oil-temperature control device on the cooling cycle pipeline (9)
(13) compressor (12)；Pass through oil circulation system phase between the ripple expanding core body (7) and the fuel tank of transformer (14)
Even, which includes connecting tube (17), pipeline road (6) and oil circulating pump (1), the connecting tube (17) and oil transportation
Pipeline (6) is separately mounted on cabinet body (8), and one end of connecting tube (17) is connected with the inside of ripple expanding core body (7), another
End is located at the cabinet body (8) outside and is divided into two-way by threeway, wherein communicating all the way with atmosphere, another way passes through recycle oil
Pump (1) is connected with the fuel tank of transformer (14)；The ripple expanding core body (7) passes through pipeline road (6) and transformer (14)
Fuel tank connection.
2. having the inner oil type metal bellow oil conservator of cooling transformer oil temperature function according to claim 1, feature exists
In: the other end of the connecting tube (17) is connected with an interface of threeway, and second interface of the threeway passes through exhaust
Pipe (3) is communicated with the atmosphere, and third interface passes through the outlet of pipeline A (15) and oil circulating pump (1), the oil circulating pump
(1) import is connected by pipeline B (16) with the fuel tank of transformer (14), is equipped with recycle oil on the pipeline A (15)
Pipe butterfly valve (4) is equipped with maintenance butterfly valve (2) on the pipeline B (16).
3. having the inner oil type metal bellow oil conservator of cooling transformer oil temperature function according to claim 1, feature exists
In: the cooling capillary (5) is stacked in the length direction bending of ripple expanding core body (7) axial cross section.
4. having the inner oil type metal bellow oil conservator of cooling transformer oil temperature function according to claim 1, feature exists
In: temperature detector is installed on the cooling cycle pipeline (9) of cooling capillary (5) the outlet connection.
5. having the inner oil type metal bellow oil conservator of cooling transformer oil temperature function according to claim 1, feature exists
In: the connecting tube (17) includes metal hose and hard tube, which is installed on the cabinet body (8), and both ends are located at cabinet
Body (8) it is inside and outside, one end of the metal hose is connected with the inside of ripple expanding core body (7), the other end and institute
Hard tube is stated to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821267255.4U CN208848709U (en) | 2018-08-07 | 2018-08-07 | Inner oil type metal bellow oil conservator with cooling transformer oil temperature function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821267255.4U CN208848709U (en) | 2018-08-07 | 2018-08-07 | Inner oil type metal bellow oil conservator with cooling transformer oil temperature function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208848709U true CN208848709U (en) | 2019-05-10 |
Family
ID=66355268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821267255.4U Active CN208848709U (en) | 2018-08-07 | 2018-08-07 | Inner oil type metal bellow oil conservator with cooling transformer oil temperature function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208848709U (en) |
-
2018
- 2018-08-07 CN CN201821267255.4U patent/CN208848709U/en active Active
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