CN207834071U - A kind of closed type oil-immersed power transformer - Google Patents
A kind of closed type oil-immersed power transformer Download PDFInfo
- Publication number
- CN207834071U CN207834071U CN201820125017.3U CN201820125017U CN207834071U CN 207834071 U CN207834071 U CN 207834071U CN 201820125017 U CN201820125017 U CN 201820125017U CN 207834071 U CN207834071 U CN 207834071U
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- Prior art keywords
- oil
- fixedly connected
- shell
- closed type
- power transformer
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Abstract
The utility model is related to technical field of electric equipment, and disclose a kind of closed type oil-immersed power transformer, including shell, the bottom of the shell is installed with bolting pad, the side of the shell is equipped with cooling fin, the bottom of the housing cavity is installed with lower rubber pad, the top of the lower rubber pad is fixedly mounted cored, the outside fixing sleeve of the iron core is connected to winding, it is fixedly connected with rubber pad at the top of the iron core, it is fixedly connected with dehydration strainer at the top of the upper rubber pad, it is fixedly connected with dehydrating tube at the top of the dehydration strainer, the left end of the dehydrating tube is fixedly connected with dehydrated outlet.The closed type oil-immersed power transformer, by be dehydrated strainer filtering it is fuel-displaced contained in water, keep the oil of transformer inner cavity purer, to improve the insulating properties of dielectric oil, so that transformer is difficult to insulation ag(e)ing, while also avoiding because causing the short circuit even risk of explosion in oil containing excessive water.
Description
Technical field
The utility model is related to technical field of electric equipment, specially a kind of closed type oil-immersed power transformer.
Background technology
Power transformer is a kind of static electrical equipment, is for the alternating voltage (electric current) of a certain numerical value is become frequency
The equipment of the identical another or several different voltages (electric current) of numerical value of rate, realizes that electric energy passes according to the principle of electromagnetic induction
Pass, power transformer by dielectric be classified as oil-immersed type transformer (flame retardant type and non-flame resistant type), dry-type transformer and
110kVSF6 gas-insulated transformers.
Oil-immersed power transformer adapts to the expansion of oil with natural resiliency using complete oil-filled closed type, corrugated tank shell
It is the fuel tank of sealed-for-life, oil-immersed transformer has been widely used in each controller switching equipment, existing oil-immersed type power
For transformer due to bad there are sealing performance and suitable aging, operating procedure of changing oil is more and complicated, causes oil-immersed type power change
Depressor is serious in operational site leakage of oil, influences equipment safety operation, while influencing environment, is easy insulation ag(e)ing, trouble of changing oil
The problem of.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of closed type oil-immersed power transformer, has resistance to
With, it is safe and the advantages that facilitate, it is serious in operational site leakage of oil to solve oil-immersed power transformer, influences equipment safety fortune
Row, while environment is influenced, it is easy insulation ag(e)ing, the problem for trouble of changing oil.
(2) technical solution
To realize that above-mentioned durable, safe and convenient purpose, the utility model provide the following technical solutions：A kind of closed type
The bottom of oil-immersed power transformer, including shell, the shell is installed with bolting pad, and the side of the shell, which is equipped with, to be dissipated
The bottom of backing, the housing cavity is installed with lower rubber pad, and cored, institute is fixedly mounted in the top of the lower rubber pad
The outside fixing sleeve for stating iron core is connected to winding, and rubber pad, the top of the upper rubber pad are fixedly connected at the top of the iron core
Portion is fixedly connected with dehydration strainer, is fixedly connected with dehydrating tube at the top of the dehydration strainer, the left end of the dehydrating tube is fixed
It is connected with dehydrated outlet, the top of the dehydrated outlet is equipped with dehydrating breather, isolation board is fixedly connected at the top of the dehydrating tube,
The lower right corner of the housing cavity is installed with flowline, and the right end of the flowline is fixedly connected with oil discharging valve, described
Be installed with hydraulic selector at the top of flowline, the top of the shell be installed with successively from left to right bushing,
The top of tap switch, explosion stack, low-tension bushing and fuel tank, the fuel tank is equipped with case lid, and the side of the fuel tank is fixedly mounted
There are oil level indicator, the bottom of the fuel tank to be installed with oil inlet pipe, the inner wall of the shell is installed with rubber column, the rubber
The inside of rubber column gel column is installed with rotation iron staff, and the bottom end of the rotation iron staff is fixedly connected with traction iron staff, the traction iron
The bottom end of stick is fixedly connected with suspension counterweight, and the top on the rotation iron staff top, which is equipped with, hits iron prop, the shock iron prop
It is internally provided with through-hole, the top for hitting iron prop is fixedly connected with spring, the outside for hitting iron prop and cylinder fixing sleeve
It connects, isolation cover is installed on the right side of the shell, the middle part of the rotation iron staff is fixed by opening up circular hole with rotary shaft
Socket.
Preferably, the dehydrating tube is inverted T-shaped, and the height on dehydrating tube top is identical with the height at the top of isolation board.
Preferably, the upper right corner of the isolation board is equipped with baffle, and the height at the top of isolation board is less than dehydrating breather bottom
Highly.
Preferably, the bottom end of the explosion stack is located at the top of housing cavity, and the top of explosion stack is heeling condition.
Preferably, the rubber column is semicircular ring shape, and the both ends of rubber column are symmetrical above and below about rotary shaft.
Preferably, the shock iron prop bottom end is cylinder, and the tip radius for hitting iron prop is more than the radius of cylinder.
(3) advantageous effect
Compared with prior art, the utility model provides a kind of closed type oil-immersed power transformer, and having following has
Beneficial effect：
1, the closed type oil-immersed power transformer, by be dehydrated strainer filtering it is fuel-displaced contained in water, make transformer
The oil of inner cavity is purer, to improve the insulating properties of dielectric oil, so that transformer is difficult to insulation ag(e)ing, while also avoiding
Because causing containing excessive water the short circuit even risk of explosion in oil.
2, closed type oil-immersed power transformer, by rotating the rotation of iron staff to which the oil controlled in fuel tank enters
In the inner cavity of transformer, the supply of inside transformer oil ensure that, do not refuel to transformer manually, be with oil dropping apparatus oiling only
Can, the maintenance of transformer is facilitated, the expense of maintenance is saved, while keeping the installation of transformer and maintenance safer, is increased
The service life of transformer makes the installation of the winding and iron core in transformer more by the setting of upper rubber pad and lower rubber pad
Add stabilization, has the effect of shockproof.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model part A schematic enlarged-scale view.
In figure：1 shell, 2 bolting pads, 3 cooling fins, 4 times rubber pads, 5 iron cores, 6 windings, rubber pad on 7,8 dehydration strainers,
9 dehydrating tubes, 10 dehydrated outlets, 11 dehydrating breathers, 12 isolation boards, 13 flowlines, 14 oil discharging valves, 15 hydraulic selectors, 16 high pressing sleeves
Pipe, 17 tap switches, 18 explosion stacks, 19 low-tension bushings, 20 fuel tanks, 21 case lids, 22 oil level indicators, 23 oil inlet pipes, 24 rubber columns, 25
Rotate iron staff, 26 traction iron staffs, 27 suspension counterweights, 28 shock iron props, 29 through-holes, 30 springs, 31 cylinders, 32 isolation covers, 33 rotations
Shaft, 34 baffles.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, a kind of closed type oil-immersed power transformer, including shell 1, the bottom of shell 1 are fixedly mounted
There are bolting pad 2, the side of shell 1 to be equipped with cooling fin 3, the bottom of 1 inner cavity of shell is installed with lower rubber pad 4, lower rubber pad 4
Top be fixedly mounted cored 5, the outside fixing sleeve of iron core 5 is connected to winding 6, and the top of iron core 5 is fixedly connected with rubber
The top of pad 7, upper rubber pad 7 is fixedly connected with dehydration strainer 8, and the top of dehydration strainer 8 is fixedly connected with dehydrating tube 9, is dehydrated
Pipe 9 is inverted T-shaped, and the height on 9 top of dehydrating tube is identical with the height at 12 top of isolation board, makes the water for entering transformer inner cavity
Transformer can be flowed out from dehydrating tube 9, have the effect of moistureproof and waterproof, so as to increase the service life of transformer, reduced
The risk for causing short circuit to explode because of water inlet, keeps transformer use safer, the left end of dehydrating tube 9 is fixedly connected with dehydration
The top of outlet 10, dehydrated outlet 10 is equipped with dehydrating breather 11, and the top of dehydrating tube 9 is fixedly connected with isolation board 12, isolation board 12
The upper right corner be equipped with baffle 34, and the height at the top of isolation board 12 is less than the height of 11 bottom of dehydrating breather, and oil is made not enter
The left area of baffle 34 avoids the water inlet of 34 left area of baffle so as to enter in oil, reduces the wind of insulation ag(e)ing
Danger, while by the effect of dehydrating breather 11, keeping transformer inner cavity more dry, the lower right corner of 1 inner cavity of shell is installed with out
The right end of oil pipe 13, flowline 13 is fixedly connected with oil discharging valve 14, and the top of flowline 13 is installed with hydraulic selector 15,
The top of shell 1 is installed with bushing 16, tap switch 17, explosion stack 18,19 and of low-tension bushing successively from left to right
Fuel tank 20, the top of fuel tank 20 are equipped with case lid 21, and the bottom end of explosion stack 18 is located at the top of 1 inner cavity of shell, and explosion stack 18
Top is heeling condition, and air in transformer is enable be connected to the external world, prevent because lighting for oil and caused by explosion, together
When avoid rainwater from entering the inside of transformer, have the effect of waterproof, the side of fuel tank 20 is installed with oil level indicator 22, oil
The bottom of case 20 is installed with oil inlet pipe 23, and the inner wall of shell 1 is installed with rubber column 24, and rubber column 24 is semi-circular shape
Shape, and the both ends of rubber column 24 are symmetrical above and below about rotary shaft 33, outside the inside of isolating transformer and transformer, make fuel tank 20
In oil can at any time add in the inner cavity of transformer, ensure cooling and insulating effect oily in transformer inner cavity, rubber column 24
Inside be installed with rotation iron staff 25, the bottom end of rotation iron staff 25 is fixedly connected with traction iron staff 26, traction iron staff 26
Bottom end is fixedly connected with suspension counterweight 27, and the top on 25 top of rotation iron staff, which is equipped with, hits iron prop 28, hits 28 bottom end of iron prop and is
Cylinder, and the tip radius for hitting iron prop 28 is more than the radius of cylinder 31, so that shock iron prop 28 is controlled oily in fuel tank 20
It enters in the inner cavity of transformer, avoids causing missing oily in transformer because of oil leak, the safety of transformer is protected to make
With hit iron prop 28 is internally provided with through-hole 29, and the top for hitting iron prop 28 is fixedly connected with spring 30, hits the outer of iron prop 28
Side is fixedly attached with cylinder 31, and the right side of shell 1 is installed with isolation cover 32, rotates the middle part of iron staff 25 by opening up circular hole
It is fixedly attached with rotary shaft 33.
When work, when oil level first in transformer inner cavity reduces, suspension counterweight 27 is detached from pasta, suspension counterweight 27 because
So that traction iron staff 26 is declined for gravity, to make rotation iron staff 25 rotate, further hits the right end of rotation iron staff 25
It to iron prop 28 is hit, hits iron prop 28 and enters in cylinder 31, through-hole 29 is connected to oil inlet pipe 23, and the oil in fuel tank 20 passes through oil inlet
Pipe 23 enters transformer inner cavity, and secondly the oil in transformer inner cavity, which increases to suspension counterweight 27, submerges in oil, because oil is right
The right end of the buoyancy of suspension counterweight 27, the rising of suspension counterweight 27, rotation iron staff 25 declines, and shock iron prop 28 is because of spring 30 and certainly
The gravity of body hits iron prop 28 and declines, and through-hole 29 declines to separate oil inlet pipe 23, and oil inlet stops, and then passes through dehydration
Strainer 8 filter it is fuel-displaced contained in water, carry out dehydration, prevent in oil contain excessive water, reduce insulation ag(e)ing, finally
The effect for carrying out moisture absorption to transformer inner cavity by dehydrating breather 11, ensure that the safe operation of transformer, keeps transformer more resistance to
With.
In conclusion the closed type oil-immersed power transformer, by be dehydrated strainer 8 filter it is fuel-displaced contained in water,
Keep the oil of transformer inner cavity purer, to improve the insulating properties of dielectric oil, so that transformer is difficult to insulation ag(e)ing, together
When also avoid because oil in caused containing excessive water short circuit even explosion risk；By rotate iron staff 25 rotation from
And control the oil in fuel tank 20 and enter in the inner cavity of transformer, it ensure that the supply of inside transformer oil, do not give manually and become
Depressor refuels, and is only refueled with oil dropping apparatus 20, facilitates the maintenance of transformer, save the expense of maintenance, while making transformation
The installation and maintenance of device are safer, increase the service life of transformer, by the setting of upper rubber pad 7 and lower rubber pad 4, make
The installation of winding 6 and iron core 5 in transformer is more stablized, and is had the effect of shockproof；It solves oil-immersed power transformer to exist
Operational site leakage of oil is serious, influences equipment safety operation, while influencing environment, is easy insulation ag(e)ing, the problem for trouble of changing oil.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of closed type oil-immersed power transformer, including shell (1), it is characterised in that：The bottom of the shell (1) is fixed
Bolting pad (2) is installed, the side of the shell (1) is equipped with cooling fin (3), and the bottom of shell (1) inner cavity is fixedly mounted
There are lower rubber pad (4), the top of the lower rubber pad (4) that cored (5) are fixedly mounted, the outside fixing sleeve of the iron core (5)
It is connected to winding (6), rubber pad (7) is fixedly connected at the top of the iron core (5), the top of the upper rubber pad (7) is fixed
It is connected with dehydration strainer (8), dehydrating tube (9), a left side for the dehydrating tube (9) are fixedly connected at the top of the dehydration strainer (8)
End is fixedly connected with dehydrated outlet (10), and the top of the dehydrated outlet (10) is equipped with dehydrating breather (11), the dehydrating tube (9)
Top is fixedly connected with isolation board (12), and the lower right corner of shell (1) inner cavity is installed with flowline (13), described fuel-displaced
The right end of pipe (13) is fixedly connected with oil discharging valve (14), and hydraulic selector is installed at the top of the flowline (13)
(15), the top of the shell (1) is installed with bushing (16), tap switch (17), explosion stack successively from left to right
(18), the top of low-tension bushing (19) and fuel tank (20), the fuel tank (20) is equipped with case lid (21), the side of the fuel tank (20)
It is installed with oil level indicator (22), the bottom of the fuel tank (20) is installed with oil inlet pipe (23), the inner wall of the shell (1)
It is installed with rubber column (24), the inside of the rubber column (24) is installed with rotation iron staff (25), the rotation iron staff
(25) bottom end is fixedly connected with traction iron staff (26), and the bottom end of the traction iron staff (26) is fixedly connected with suspension counterweight
(27), the top on described rotation iron staff (25) top, which is equipped with, hits iron prop (28), and being internally provided with for the shock iron prop (28) is logical
Hole (29), the top for hitting iron prop (28) are fixedly connected with spring (30), the outside for hitting iron prop (28) and cylinder
(31) it is fixedly attached, isolation cover (32) is installed on the right side of the shell (1), is passed through in the middle part of the rotation iron staff (25)
Circular hole is opened up to be fixedly attached with rotary shaft (33).
2. a kind of closed type oil-immersed power transformer according to claim 1, it is characterised in that：The dehydrating tube (9)
For inverted T-shaped, and the height on dehydrating tube (9) top is identical with the height at the top of isolation board (12).
3. a kind of closed type oil-immersed power transformer according to claim 1, it is characterised in that：The isolation board (12)
The upper right corner be equipped with baffle (34), and the height at the top of isolation board (12) be less than dehydrating breather (11) bottom height.
4. a kind of closed type oil-immersed power transformer according to claim 1, it is characterised in that：The explosion stack (18)
Bottom end be located at the top of shell (1) inner cavity, and the top of explosion stack (18) is heeling condition.
5. a kind of closed type oil-immersed power transformer according to claim 1, it is characterised in that：The rubber column (24)
For semicircular ring shape, and the both ends of rubber column (24) are symmetrical above and below about rotary shaft (33).
6. a kind of closed type oil-immersed power transformer according to claim 1, it is characterised in that：The shock iron prop
(28) bottom end is cylinder, and the tip radius for hitting iron prop (28) is more than the radius of cylinder (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820125017.3U CN207834071U (en) | 2018-01-25 | 2018-01-25 | A kind of closed type oil-immersed power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820125017.3U CN207834071U (en) | 2018-01-25 | 2018-01-25 | A kind of closed type oil-immersed power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207834071U true CN207834071U (en) | 2018-09-07 |
Family
ID=63394684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820125017.3U Expired - Fee Related CN207834071U (en) | 2018-01-25 | 2018-01-25 | A kind of closed type oil-immersed power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207834071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116403809A (en) * | 2023-02-14 | 2023-07-07 | 江苏旭变变压器有限公司 | Anti-interference transformer with cooling explosion-proof structure |
-
2018
- 2018-01-25 CN CN201820125017.3U patent/CN207834071U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116403809A (en) * | 2023-02-14 | 2023-07-07 | 江苏旭变变压器有限公司 | Anti-interference transformer with cooling explosion-proof structure |
| CN116403809B (en) * | 2023-02-14 | 2023-10-03 | 江苏旭变变压器有限公司 | Anti-interference transformer with cooling explosion-proof structure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20190125 |