CN107845488A - A kind of low noise oil immersed power transformer - Google Patents
A kind of low noise oil immersed power transformer Download PDFInfo
- Publication number
- CN107845488A CN107845488A CN201711367793.0A CN201711367793A CN107845488A CN 107845488 A CN107845488 A CN 107845488A CN 201711367793 A CN201711367793 A CN 201711367793A CN 107845488 A CN107845488 A CN 107845488A
- Authority
- CN
- China
- Prior art keywords
- fuel tank
- low
- casing
- power transformer
- low noise
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/33—Arrangements for noise damping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
Abstract
The invention discloses a kind of low noise oil immersed power transformer, including casing, fuel tank, case lid and base, the both sides of case lid are equipped with two backplates, the top of case lid is provided with high tension terminal and low tension terminal, fuel tank is provided with casing, inner wall of oil tank both sides are separately installed with stirring flabellum by drive device, and the side of cabinet exterior is provided with liquid level gauge, and the bottom of casing is provided with base.The present invention in fuel tank internal by setting stirring flabellum, change the circulating path in oil tank of transformer, add the oily intensity of circulation and speed of fuel tank internal, so as to improve its heat dispersion, by being equipped with foil shielding layer outside high-tension coil and low-voltage coil, shield effectiveness is good, and foil shielding layer thickness is small, just filled in by limited block in channel-section steel, and then the both ends of limited block are caused to withstand bolt, so that the connection of bolt does not loosen, ensure the stability of total connection, so as to reduce the generation of extra noise.
Description
Technical field
The present invention relates to a kind of transformer, specially a kind of low noise oil immersed power transformer.
Background technology
Existing oil-filled transformer constantly can rise oil temperature in the course of the work, and oil temperature typically passes through tank wall and fuel tank
Internal circulation, reduces oil temperature, but the oil circulation process of madial wall and fuel tank internal is slow, and oily convection intensity is low, office
Portion's high oil temperature, it is unfavorable for reducing the oil temperature of oil-filled transformer, easily promotes in the oil-filled transformer under intensive work
The oil temperature in portion constantly rises, and potential safety hazard be present, transformer is in the course of the work because self vibration can produce noise pollution, shadow
The rest of surrounding people's work and rest is rung, thickness of insulating layer is big, during coiling, increases center conductor consumptive material, increases production cost,
Therefore we make improvement to this, propose a kind of low noise oil immersed power transformer.
The content of the invention
To solve the defects of local high oil temperature and larger noise existing for prior art, the present invention provides a kind of low noise
Oil immersed power transformer.
In order to solve the above-mentioned technical problem, the invention provides following technical scheme：
A kind of low noise oil immersed power transformer of the present invention, including casing, fuel tank, case lid and base, the top cover of the casing
Provided with case lid, the both sides of the case lid are equipped with two backplates, and two backplates are connected together with two lockers respectively, described
The top of case lid is provided with high tension terminal and low tension terminal, and fuel tank is provided with the casing, and the side of the fuel tank is provided with height
Line ball circle, the opposite side of the fuel tank are provided with low-voltage coil, and the high tension terminal is electrically connected with high-tension coil, low pressure wiring
Post is electrically connected with low-voltage coil, and the both sides of the inner wall of oil tank and the top of inwall are provided with stirring fan by drive device
Leaf, the side of the cabinet exterior are provided with liquid level gauge, and the bottom of the casing is provided with base, and the both sides of the base bottom are provided with
Two supporting mechanisms.
Further, the supporting mechanism includes two channel-section steels being symmetrically set, the openings of two channel-section steels to
Outer setting, the top of two channel-section steels are fixedly connected with base, and bolt, the groove are equipped with two side walls of the channel-section steel
The inside of steel is provided with limited block.
Further, drive motor, the output shaft of the drive motor and stirring are equipped with three drive devices
The rotating shaft of flabellum is fixedly connected.
Further, three drive motors are electrically connected with external power supply.
Further, the base is made up of glass fiber reinforced plastics composite material.
Further, the surface of the high-tension coil and low-voltage coil is equipped with foil shielding layer.
Compared with prior art, the present invention has the advantages that：This kind of low noise oil immersed power transformer, by
Fuel tank internal sets stirring flabellum, changes the circulating path in oil tank of transformer, adds the oily intensity of circulation of fuel tank internal
And speed, so as to improve its heat dispersion, by being equipped with foil shielding layer, shielding effect outside high-tension coil and low-voltage coil
Fruit is good, and foil shielding layer thickness is small, includes two channel-section steels being symmetrically set, the opening of two channel-section steels by supporting mechanism
Outwards set, the top of two channel-section steels is fixedly connected with base, is equipped with bolt in two side walls of each channel-section steel, channel-section steel it is interior
Portion is provided with limited block, and the upper and lower ends of limited block are equipped with the bar-shaped trough matched with the afterbody of bolt, and the height of limited block is equal to
Spacing between two side walls of channel-section steel so that limited block is just filled in channel-section steel, and then causes the both ends of limited block to withstand spiral shell
Bolt so that the connection of bolt does not loosen, and ensures the stability of total connection, so as to reduce the generation of extra noise.
Brief description of the drawings
Fig. 1 is a kind of structural representation of low noise oil immersed power transformer of the present invention；
Fig. 2 is a kind of side structure schematic diagram of low noise oil immersed power transformer of the present invention.
In figure：1st, casing；2nd, fuel tank；3rd, case lid；4th, base；5th, high-tension coil；6th, low-voltage coil；7th, fixture；8th, liquid
Position meter；9th, backplate；10th, locker；11st, high tension terminal；12nd, low tension terminal；13rd, supporting mechanism；14th, channel-section steel；15th, it is spacing
Block；16th, bolt；17th, drive device；18th, flabellum is stirred.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, the present invention is expanded on further.
As shown in Figure 1-2, a kind of low noise oil immersed power transformer, including casing 1, fuel tank 2, case lid 3 and base 4, case
The top cover of body 1 is provided with case lid 3, and the both sides of case lid 3 are equipped with two backplates 9, and two backplates 9 engage with two lockers 5 respectively
Connection, the top of case lid 3 are provided with high tension terminal 11 and low tension terminal 12, are provided with fuel tank 2 in casing 1, the side of fuel tank 2 is set
There is high-tension coil 5, the opposite side of fuel tank 2 is provided with low-voltage coil 6, and high tension terminal 11 is electrically connected with high-tension coil 5, and low pressure connects
Terminal 12 is electrically connected with low-voltage coil 6, and the both sides of the inwall of fuel tank 2 and the top of inwall are provided with by drive device 17 and stirred
Flabellum 18 is mixed, the side of the outer wall of casing 1 is provided with liquid level gauge 8, and the bottom of casing 1 is provided with base 4, and the both sides of the bottom of base 4 are provided with
Two supporting mechanisms 13.
Wherein, supporting mechanism 13 includes two channel-section steels 14 being symmetrically set, and the outward opening of two channel-section steels 14 is set,
The top of two channel-section steels 14 is fixedly connected with base 4, is equipped with bolt 16 in two side walls of channel-section steel 14, the inside of channel-section steel 14 is set
Limited location block 15 so that the connection of bolt 16 does not loosen, and ensures the stability of total connection, is additionally made an uproar so as to reduce
The generation of sound.
Wherein, drive motor, output shaft and the stirring flabellum 18 of each drive motor are equipped with three drive devices 17
Rotating shaft be fixedly connected, be easy to respectively to stir flabellum driving.
Wherein, three drive motors are electrically connected with external power supply, are easy to control each stirring flabellum 18 respectively.
Wherein, base 4 is made up of glass fiber reinforced plastics composite material, glass fiber reinforced plastics composite material good damping effect, can effectively reduce
Noise.
Wherein, the surface of high-tension coil 5 and low-voltage coil 6 is equipped with foil shielding layer, and shield effectiveness is good, and aluminum foil shielded
Thickness degree is small.
It should be noted that the present invention is a kind of low noise oil immersed power transformer, during specific works, pass through supporting mechanism
13 fix casing 1, and the height of limited block 15 is equal to the spacing between two side walls of channel-section steel 14 so that limited block 15 is just
Fill in channel-section steel 14, and then cause the both ends of limited block 15 to withstand bolt 16 so that the connection of bolt 16 does not loosen, and ensures
The stability of total connection, so as to reduce the generation of extra noise, cycloalkyl transformer special oil is injected toward fuel tank 2, is seen
Liquid level gauge 8 is examined, liquid level is reached appropriate location, when the transformer works, oil temperature can raise, and open drive motor, three drives
Dynamic stirring flabellum 18 rotates, and the transformer oil in oil tank of transformer 2 circulate, add oily intensity of circulation inside fuel tank 2 with
Speed, prevent local oil temperature from raising, so as to improve its heat dispersion.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. a kind of low noise oil immersed power transformer, including casing（1）, fuel tank（2）, case lid（3）And base（4）, its feature exists
In the casing（1）Top cover be provided with case lid（3）, the case lid（3）Both sides be equipped with two backplates（9）, described in two
Backplate（9）Respectively with two lockers（5）It is connected together, the case lid（3）Top be provided with high tension terminal（11）Connect with low pressure
Terminal（12）, the casing（1）It is interior to be provided with fuel tank（2）, the fuel tank（2）Side be provided with high-tension coil（5）, the fuel tank
（2）Opposite side be provided with low-voltage coil（6）, the high tension terminal（11）With high-tension coil（5）It is electrically connected with, low tension terminal
（12）With low-voltage coil（6）It is electrically connected with, the fuel tank（2）The both sides of inwall and the top of inwall pass through drive device（17）
Stirring flabellum is installed（18）, the casing（1）The side of outer wall is provided with liquid level gauge（8）, the casing（1）Bottom be provided with bottom
Seat（4）, the base（4）The both sides of bottom are provided with two supporting mechanisms（13）.
A kind of 2. low noise oil immersed power transformer according to claim 1, it is characterised in that the supporting mechanism（13）
Including two channel-section steels being symmetrically set（14）, two channel-section steels（14）Outward opening set, two channel-section steels
（14）Top and base（4）It is fixedly connected, the channel-section steel（14）Two side walls on be equipped with bolt（16）, the channel-section steel
（14）Inside be provided with limited block（15）.
A kind of 3. low noise oil immersed power transformer according to claim 1, it is characterised in that three drive devices
（17）Interior to be provided with drive motor, the output shaft of three drive motors is with stirring flabellum（18）Rotating shaft be fixedly connected.
A kind of 4. low noise oil immersed power transformer according to claim 3, it is characterised in that three drive motors
It is electrically connected with external power supply.
A kind of 5. low noise oil immersed power transformer according to claim 1, it is characterised in that the base（4）By glass
Glass steel composite material is made.
A kind of 6. low noise oil immersed power transformer according to claim 1, it is characterised in that the high-tension coil（5）
With low-voltage coil（6）Surface be equipped with foil shielding layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711367793.0A CN107845488A (en) | 2017-12-18 | 2017-12-18 | A kind of low noise oil immersed power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711367793.0A CN107845488A (en) | 2017-12-18 | 2017-12-18 | A kind of low noise oil immersed power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107845488A true CN107845488A (en) | 2018-03-27 |
Family
ID=61663903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711367793.0A Pending CN107845488A (en) | 2017-12-18 | 2017-12-18 | A kind of low noise oil immersed power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107845488A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112700951A (en) * | 2021-01-12 | 2021-04-23 | 张艳艳 | Integrated radiator for oil-immersed power equipment |
| CN113421735A (en) * | 2020-12-30 | 2021-09-21 | 衡阳市广源线路器材有限公司 | Oil-immersed transformer case shell |
-
2017
- 2017-12-18 CN CN201711367793.0A patent/CN107845488A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113421735A (en) * | 2020-12-30 | 2021-09-21 | 衡阳市广源线路器材有限公司 | Oil-immersed transformer case shell |
| CN112700951A (en) * | 2021-01-12 | 2021-04-23 | 张艳艳 | Integrated radiator for oil-immersed power equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180327 |