CN207302820U - A kind of oil-immersed transformer - Google Patents
A kind of oil-immersed transformer Download PDFInfo
- Publication number
- CN207302820U CN207302820U CN201721034941.2U CN201721034941U CN207302820U CN 207302820 U CN207302820 U CN 207302820U CN 201721034941 U CN201721034941 U CN 201721034941U CN 207302820 U CN207302820 U CN 207302820U
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- CN
- China
- Prior art keywords
- oil tank
- oil
- pump
- spray bar
- babinet
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- 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.)
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Abstract
The utility model provides a kind of oil-immersed transformer, including babinet, and pump oil tank is equipped with babinet, cylinder is equipped with pump oil tank, piston is fixedly connected with the piston rod of cylinder, piston is adapted with pump oil pot sidewall shape；Including a plurality of spray bar, a plurality of spray bar is one end sealing, and the other end is connected in the sidewall upper of pump oil tank with pump oil tank, and connectivity part is equipped with spray bar solenoid valve, and side side wall of the spray bar away from pump oil tank is equipped with multiple nozzle openings；Cold oil tank is equipped with above babinet, cold oil tank is connected with pump oil tank by the first pipeline, and the first pipeline is equipped with the first solenoid valve；Temperature sensor is additionally provided with babinet；It can be under the pressurization of cylinder, so that the low temperature cold oil after refrigeration is quickly sprayed along spray bar through nozzle opening, facilitate cold oil to be sufficiently mixed with the deep fat in transformer, quickly and efficiently reduce oil temperature in case, avoid internal component from being damaged because of high temperature, increase service life.
Description
Technical field
Field transformer is the utility model is related to, more particularly to a kind of oil-immersed transformer.
Background technology
Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, and major function has：Voltage transformation, electricity
Rheology is changed, impedance converts, isolate, voltage stabilizing (magnetic saturation transformer) etc..It can be divided into, according to use,：Distribution transformer, hermetically sealed change
Depressor, combined transformer, dry-type transformer, oil-immersed transformer, single-phase transformer etc.；Wherein oil-immersed transformer has damage
Consume that low, capacity is big, low-cost feature, now common power transformer is oil-immersed transformer；The safe operation of transformer
And service life, the safe and reliable of transformer winding insulation is heavily dependent on, but oil-immersed transformer is in long-time work
Oil temperature can be caused to raise in the case of work, may result in winding temperature in the condition of high temperature for a long time makes more than insulation tolerable temperature
Insulation breakdown, can accelerate the old fast of internal component, cause transformer cisco unity malfunction, therefore the heat dissipation of transformer is very
Important.
Utility model content
The defects of in order to overcome the prior art, the technical problem to be solved by the utility model is to propose a kind of oil immersed type
Transformer, it can carry out temperature detection to transformer oil, then by carrying out pressurization ejection to cold oil, make in cold oil and transformer
Deep fat be sufficiently mixed, it is quick to reduce oil temperature in case, avoid internal component from being damaged because of high temperature, increase service life；
And freeze using solar energy to cold oil, improve the effect that cools so that oil temperature rapid decrease in case.
For this purpose, the utility model uses following technical scheme：
The utility model provides a kind of oil-immersed transformer, including babinet, and pump oil tank, the pump are equipped with the babinet
Cylinder is equipped with oil tank, piston, the piston and the pump oil pot sidewall shape are fixedly connected with the piston rod of the cylinder
It is adapted；Including a plurality of spray bar, a plurality of spray bar is one end sealing, and the other end is in the sidewall upper of the pump oil tank
Connected with the pump oil tank, and connectivity part is equipped with spray bar solenoid valve, side side of the spray bar away from the pump oil tank
Wall is equipped with multiple nozzle openings；Cold oil tank is equipped with above the babinet, the cold oil tank passes through the first pipeline with the pump oil tank
Connection, and first pipeline is equipped with the first solenoid valve；Temperature sensor, the temperature sensing are additionally provided with the babinet
Device, the spray bar solenoid valve, first solenoid valve and the cylinder are electrically connected with controller.
In the utility model preferably technical solution, the pump oil tank is column structure, and a plurality of spray bar is surround
The pump oil tank is uniformly arranged.
In the utility model preferably technical solution, the pump oil tank top is additionally provided with relief tube, the relief tube one
End is connected with the pump oil tank, and the other end is equipped with air bleeding valve, and pressure release electromagnetic valve is additionally provided with the relief tube, the pressure release electricity
Magnet valve is electrically connected with the controller.
In the utility model preferably technical solution, the piston periphery is equipped with sealing ring.
In the utility model preferably technical solution, the bottom of the cold oil tank and the babinet is connected by petroleum pipeline
Logical, the petroleum pipeline is equipped with oil transportation magnetic valve and oil pump, and the oil transportation magnetic valve and the oil pump are electric with the controller
Connection.
Be equipped with cooling piece in the utility model preferably technical solution, in the cold oil tank, the cooling piece with it is described
Controller electrically connects.
In the utility model preferably technical solution, the outer wall of the cold oil tank is equipped with insulating layer.
In the utility model preferably technical solution, solar energy photovoltaic panel is further included, the solar energy photovoltaic panel passes through
Fixed link is fixedly connected on the babinet, and the solar energy photovoltaic panel is electrically connected with the controller.
The beneficial effects of the utility model are：
A kind of oil-immersed transformer provided by the utility model, in the case of transformer normal operation, cold oil tank is to cold
Oily lasting refrigeration, makes cold oil be constantly in lower temperature, temperature in transformer can be quickly reduced after convenient mixing；When in babinet
When oil temperature reaches the preset value of temperature sensor, the cold oil in cold oil tank enters in pump oil tank, cold under the pressurization of cylinder
Oil is quickly sprayed along spray bar through nozzle opening, and cold oil can be made to be sufficiently mixed with the deep fat in transformer, quick to reduce in case
Oil temperature, avoids internal component from being damaged because of high temperature, increases service life.
Brief description of the drawings
Fig. 1 is the structure diagram for the oil-immersed transformer that the utility model embodiment provides.
In figure：
1st, babinet；2nd, pump oil tank；3rd, cylinder；4th, piston；5th, spray bar；6th, spray bar solenoid valve；7th, nozzle opening；8th, it is cold
Oil tank；9th, the first pipeline；10th, the first solenoid valve；11st, controller；12nd, temperature sensor；13rd, relief tube；14th, air bleeding valve；15、
Pressure release electromagnetic valve；16th, sealing ring；17th, petroleum pipeline；18th, oil transportation magnetic valve；19th, oil pump；20th, cooling piece；21st, insulating layer；22、
Solar energy photovoltaic panel.
Embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, provide a kind of oil-immersed transformer in the present embodiment, including babinet 1, it is equipped with the babinet 1
Pump oil tank 2, is equipped with cylinder 3 in the pump oil tank 2, is fixedly connected with piston 4 on the piston rod of the cylinder 3, the piston 4 and
2 sidewall shape of pump oil tank is adapted；Including a plurality of spray bar 5, a plurality of spray bar 5 is that one end seals, the other end
Connected in the sidewall upper of the pump oil tank 2 with the pump oil tank 2, and connectivity part is equipped with spray bar solenoid valve 6, the oil spout
Side side wall of the pipe 5 away from the pump oil tank 2 is equipped with multiple nozzle openings 7；The top of babinet 1 is equipped with cold oil tank 8, described
Cold oil tank 8 is connected with the pump oil tank 2 by the first pipeline 9, and first pipeline 9 is equipped with the first solenoid valve 10；It is described
Temperature sensor 12, the temperature sensor 12, the spray bar solenoid valve 6, first solenoid valve 10 are additionally provided with babinet 1
And the cylinder 3 is electrically connected with controller 11；The cold oil tank carries out refrigeration cool-down to oil, is dissipated for follow-up mixing deep fat
Heat is prepared；The pump oil tank 2 and the cylinder 3 then complete the pressure process to cold oil so that cold oil is passed through along the spray bar 5
The nozzle opening 7 quickly sprays, and cold oil is sufficiently mixed with the deep fat in transformer, quick to reduce oil temperature in case.
Above-mentioned oil-immersed transformer, in normal operational process, the cold oil tank 8 persistently freezes cold oil, makes cold oil
It is constantly in lower temperature；When the temperature sensor 12 in the babinet 1 detects that oil temperature reaches preset value, institute is opened
State the first solenoid valve 10, the oil after refrigeration enters in the pump oil tank 2 from the cold oil tank 8, to after preset time, described in closure
First solenoid valve 10, then multiple spray bar solenoid valves 6 open and start at the same time the cylinder 3, in the increasing of the cylinder 3
Under pressure effect, cold oil is quickly sprayed along the spray bar 5 through the nozzle opening 7 so that cold oil comes into full contact with deep fat, fast prompt drop
Temperature；Until preset time reaches, multiple spray bar solenoid valves 6 close, and the cylinder 3 resets；Whole process rapidly and efficiently,
Timely and effectively heat dissipation avoids the transformer caused by high temperature and is unable to normal operation or permanent damage.
More specifically, the oil after refrigeration enters after the pump oil tank 2 from the cold oil tank 8, it is necessary to which oil pump 19 is by part
Deep fat extraction is sent to the cold oil tank 8, is then then turned on multiple spray bar solenoid valves 6 and is started the cylinder at the same time
3, and the deep fat being delivered in the cold oil tank 8 cools down under the action of cooling piece 20, becomes the cold oil compared with low temperature, then in case
Domestic demand is utilized again when cooling down, and is realized the exchange between cold and hot oil in whole transformer, is reduced oil temperature in case in time, avoids interior
Portion's component is damaged because of high temperature, increases service life.
Further, the pump oil tank 2 is column structure, and a plurality of spray bar 5 is uniformly set around the pump oil tank 2
Put；The pump oil tank 2 is uniformly arranged around the pump oil tank 2 and may be such that positioned at the middle part of babinet 1, a plurality of spray bar 5
Oil spout area increases, and by center stray radiation oil spout around, facilitates the contact between cold and hot oil effectively to accelerate cooling with mixing
Speed, improves radiating efficiency.
Preferably, the spray bar 5 may be selected compared with pipe with small pipe diameter in the case where not influencing normal oil spout, may be such that cold in pipe
Oil increases the flow velocity and pressure of cold oil in the case where the cylinder 3 is pressurized again, oil spout is formed high pressure oil column, comes into full contact with
Deep fat.
Further, the top of pump oil tank 2 is additionally provided with relief tube 13, described 13 one end of relief tube and the pump oil tank 2
Connection, the other end is equipped with air bleeding valve 14, and pressure release electromagnetic valve 15 is additionally provided with the relief tube 13, the pressure release electromagnetic valve 15
Electrically connected with the controller 11；When the pump oil tank 2 is given in 8 oil transportation of cold oil tank, the pressure release electromagnetic valve 15 is in and opens
State is opened, avoids the excessive caused cold oil of air pressure in the pump oil tank 2 from cannot be introduced into；The pressure release electromagnetic valve 15 is in the cylinder
3 working times were in closure state, gas pressure leak when avoiding pressurizeing；After the completion of the cylinder 3 push supercharging, the pressure release electricity
Magnet valve 15 is opened, and discharges the air pressure in the pump oil tank 2.
Further, 4 periphery of piston is equipped with sealing ring 16；The setting of the sealing ring 16 can prevent the cylinder 3
To cold oil gas pressure leak under pressure, cause cold oil insufficient pressure can not be sufficiently mixed with deep fat, reduce cooling
Efficiency.
Further, the cold oil tank 8 is connected with the bottom of the babinet 1 by petroleum pipeline 17, on the petroleum pipeline 17
Equipped with oil transportation magnetic valve 18 and oil pump 19, the oil transportation magnetic valve 18 and the oil pump 19 are electrically connected with the controller 11；
Deep fat in the babinet 1 is supplied the cold oil tank 8 by the oil pump 19 along the petroleum pipeline 17, in the cold oil tank 8 into
Row refrigeration.
Further, cooling piece 20 is equipped with the cold oil tank 8, the cooling piece 20 is electrically connected with the controller 11；
The setting of the cooling piece 20 can reduce the temperature for upper deep fat, the cooling piece 20 through the oil pump 19 and be constantly in work
Making state can make cold oil keep lower temperature, and the oil temperature in the babinet 1 conveniently can be quickly reduced during mixing.
Further, the outer wall of the cold oil tank 8 is equipped with insulating layer 21, and the setting of the insulating layer 21 can prevent institute
The cold oil stated in cold oil tank carries out heat exchange with extraneous so that cold oil is constantly in lower temperature.
Further, solar energy photovoltaic panel 22 is further included, the solar energy photovoltaic panel 22 is fixedly connected on by fixed link
On the babinet 1, the solar energy photovoltaic panel 22 is electrically connected with the controller 11；The solar energy photovoltaic panel 22 can be by luminous energy
Electric energy is converted into, the cooling piece 20 is supplied and causes the cooling piece 20 to be in continuous firing state, reduce power consumption,
Energy conservation and environmental protection, reduces operating cost.
The utility model is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from this reality
In the case of with new spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.This reality
It is not limited to the particular embodiment disclosed with new, other embodiments fallen into claims hereof all belong to
In the scope of the utility model protection.
Claims (8)
- A kind of 1. oil-immersed transformer, it is characterised in that：Including babinet (1), pump oil tank (2) is equipped with the babinet (1), cylinder (3), the gas are equipped with the pump oil tank (2) Piston (4) is fixedly connected with the piston rod of cylinder (3), the piston (4) is adapted with pump oil tank (2) sidewall shape；Including a plurality of spray bar (5), a plurality of spray bar (5) is one end sealing, and the other end is in the side of the pump oil tank (2) Wall upper end is connected with the pump oil tank (2), and connectivity part is equipped with spray bar solenoid valve (6), and the spray bar (5) is away from described The side side wall of pump oil tank (2) is equipped with multiple nozzle openings (7)；Cold oil tank (8) is equipped with above the babinet (1), the cold oil tank (8) passes through the first pipeline (9) with the pump oil tank (2) Connection, and first pipeline (9) is equipped with the first solenoid valve (10)；Be additionally provided with temperature sensor (12) in the babinet (1), the temperature sensor (12), the spray bar solenoid valve (6), First solenoid valve (10) and the cylinder (3) are electrically connected with controller (11).
- A kind of 2. oil-immersed transformer according to claim 1, it is characterised in that：The pump oil tank (2) is column structure, and a plurality of spray bar (5) is uniformly arranged around the pump oil tank (2).
- A kind of 3. oil-immersed transformer according to claim 1, it is characterised in that：Relief tube (13) is additionally provided with the top of the pump oil tank (2), described relief tube (13) one end is connected with the pump oil tank (2), The other end is equipped with air bleeding valve (14), and pressure release electromagnetic valve (15), the pressure release electromagnetic valve are additionally provided with the relief tube (13) (15) electrically connected with the controller (11).
- A kind of 4. oil-immersed transformer according to claim 1, it is characterised in that：Piston (4) periphery is equipped with sealing ring (16).
- A kind of 5. oil-immersed transformer according to claim 1, it is characterised in that：The cold oil tank (8) is connected with the bottom of the babinet (1) by petroleum pipeline (17), and the petroleum pipeline (17) is equipped with defeated Solenoid (18) and oil pump (19), the oil transportation magnetic valve (18) and the oil pump (19) with the controller (11) Electricity Federation Connect.
- A kind of 6. oil-immersed transformer according to claim 1, it is characterised in that：Cooling piece (20) is equipped with the cold oil tank (8), the cooling piece (20) electrically connects with the controller (11).
- A kind of 7. oil-immersed transformer according to claim 1, it is characterised in that：The outer wall of the cold oil tank (8) is equipped with insulating layer (21).
- A kind of 8. oil-immersed transformer according to claim 1, it is characterised in that：Solar energy photovoltaic panel (22) is further included, the solar energy photovoltaic panel (22) is fixedly connected on the babinet by fixed link (1) on, the solar energy photovoltaic panel (22) electrically connects with the controller (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721034941.2U CN207302820U (en) | 2017-08-17 | 2017-08-17 | A kind of oil-immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721034941.2U CN207302820U (en) | 2017-08-17 | 2017-08-17 | A kind of oil-immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207302820U true CN207302820U (en) | 2018-05-01 |
Family
ID=62444657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721034941.2U Expired - Fee Related CN207302820U (en) | 2017-08-17 | 2017-08-17 | A kind of oil-immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207302820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115512939A (en) * | 2022-09-23 | 2022-12-23 | 江苏方天电力技术有限公司 | Distribution transformer with intelligent early warning function |
-
2017
- 2017-08-17 CN CN201721034941.2U patent/CN207302820U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115512939A (en) * | 2022-09-23 | 2022-12-23 | 江苏方天电力技术有限公司 | Distribution transformer with intelligent early warning function |
| CN115512939B (en) * | 2022-09-23 | 2023-03-28 | 江苏方天电力技术有限公司 | Distribution transformer with intelligent early warning function |
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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: 20180501 Termination date: 20200817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |