CN104599819A - Amorphous alloy oil-immersed transformer oil tank with noise reduction function - Google Patents
Amorphous alloy oil-immersed transformer oil tank with noise reduction function Download PDFInfo
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- CN104599819A CN104599819A CN201510031867.8A CN201510031867A CN104599819A CN 104599819 A CN104599819 A CN 104599819A CN 201510031867 A CN201510031867 A CN 201510031867A CN 104599819 A CN104599819 A CN 104599819A
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Abstract
The invention relates to the technical field of transformers, and discloses an amorphous alloy oil-immersed transformer oil tank with a noise reduction function. The amorphous alloy oil-immersed transformer oil tank comprises a transformer oil tank (17), wherein a shock absorption pad is arranged between the transformer oil tank (17) and a base (15); a first clamping piece (9) is arranged in the transformer oil tank (17); the first clamping piece (9) is horizontally distributed; two first reinforcing ribs (22) are arranged on the first clamping piece (9); a second reinforcing rib (21) is arranged between the two first reinforcing ribs (22); an H-shaped structure is formed by the two first reinforcing ribs (22) and the second reinforcing rib (21); two third reinforcing ribs (23) are arranged on the side wall of the transformer oil tank (17) along the vertical direction; a fourth reinforcing rib (24) is arranged between the two third reinforcing ribs (23); an H-shaped structure is formed by the two third reinforcing ribs (23) and the fourth reinforcing rib (24). According to the amorphous alloy oil-immersed transformer oil tank disclosed by the invention, through the H-shaped structures formed by the first clamping piece and the side wall of the transformer oil tank, the noise of a transformer is reduced under the situation that the magnetic density is not changed, and the problem in the prior art that the noise of the transformer is large is solved.
Description
Technical field
The present invention relates to transformer technology field, particularly relate to the amorphous alloy oil immersion type oil tank of transformer with decrease of noise functions.
Background technology
Power consumer is by the impact of energy-saving and emission-reduction pressure both at home and abroad at present, and non-crystaline amorphous metal becomes device and paid close attention to by people more and more and use.Although amorphous alloy transformer has the low-down advantage of no-load loss, because of the sensitiveness of its counter stress, amorphous alloy core cannot be fixed with folder, and it is inevitable by the magnetic hysteresis noise caused that stretches.The noise problem that disturbs residents of amorphous alloy transformer is hinder the propagation and employment primary factor of amorphous alloy transformer always.
The magnetic hysteresis that the amorphous alloy oil immersion type transformer noise of present production is mainly derived from amorphous core is stretched, and the vibration that causes causes, and in addition during transformer belt load, the coil electric power of transformer also produces certain impact to the noise of transformer.It is close that existing amorphous alloy transformer noise reduction adopts reduction to become device design magnetic mostly, and this method will increase the cost of transformer greatly.Sound-absorbing material is adopted in addition in transformer room, the sound-absorbing materials such as the mineral wool of porous, felt, fibre ore slag wool are pasted on wall and on ceiling, or make sound absorber and be suspended on space, although this method weakens the interference of noise on human to a certain extent, cost is very expensive; In addition organic fibrous material fire prevention and humidity resistance poor; The shortcoming of the inorganic fibers such as mineral wool is that fibroid is crisp, easily fractures and forms dust dissipation and contaminated environment, and flexible structure, surface needs matcoveredn.
Summary of the invention
The present invention is directed to shortcoming of the prior art, provide a kind of amorphous alloy oil immersion type oil tank of transformer with decrease of noise functions.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
There is the amorphous alloy oil immersion type oil tank of transformer of decrease of noise functions, comprise oil tank of transformer, transformer oil tank cover is provided with bushing and low-tension bushing, be provided with base on the downside of oil tank of transformer, between oil tank of transformer and base, be provided with beam, in oil tank of transformer, be provided with the first folder, first folder is horizontal distribution, first folder is provided with two the first reinforcements, is provided with the second reinforcement between two the first reinforcements, and two the first reinforcements and the second reinforcement form H type structure; Oil tank of transformer sidewalls vertical direction is provided with two the 3rd reinforcements, is provided with the 4th reinforcement between two the 3rd reinforcements, and the 3rd reinforcement and the 4th reinforcement form H type structure.By vibration-testing, have found the first folder and the maximum oscillation point of tank surface, H type structure (i.e. H type structural bead) is welded on the maximum position of amplitude, and then reduces the noise of transformer.The H type structure that simultaneously the first folder and oil tank of transformer sidewall are provided with make device body skeleton and fuel tank more firm.Transformer adopts all-sealed structure, its case lid and the close weldering of casing.
As preferably, be also provided with the second folder in oil tank of transformer, the second folder is U-shaped.The vertical section of the U-shaped structure of the second folder, is located at the two ends of the first folder.
As preferably, also comprise boatswain chair, between boatswain chair and the second folder, be provided with crash roll.
As preferably, oil tank of transformer sidewall is provided with high-voltage tap changer.
As preferably, bushing, low-tension bushing, high-voltage tap changer and oil tank of transformer are all tightly connected.
As preferably, in oil tank of transformer, be provided with high-tension fuse.Oil tank of transformer high-pressure side selects specific high-tension fuse to make transformer can deenergization and extinguish arcs in time when meeting fault, ensures safe operation.
As preferably, outside oil tank of transformer, be provided with radiator.
As preferably, also comprise iron core, iron core is that four frame five limbs type cores or three-frame and three pole are unshakable in one's determination.Transformer core adopts amorphous alloy strips winding to form, and the no-load loss of transformer have dropped more than 80% than existing oil-filled transformer.
The present invention is owing to have employed above technical scheme, there is significant technique effect: the object of the invention is when not reducing amorphous alloy core magnetic and being close, solve in prior art and there is the large problem of transformer noise, provide a kind of inexpensive, structure is simple, long-lived noise reduction structure of amorphous alloy transformer.In the present invention, the H type structure (i.e. H type structural bead) that first folder and oil tank of transformer sidewall are provided with, make the noise of transformer when magnetic close constant than original design amorphous alloy oil immersion type transformer reduce more than 5dB, the operation of transformer and environment are coordinated more.The noise reduction of transformer adopts and is welded with reinforcement mode in addition, and the noise reduction of transformer is lasting, and cost is also close with former design.
Accompanying drawing explanation
Fig. 1 is the structural representation of vibration-testing of the present invention.
Fig. 2 is structural representation of the present invention.
Fig. 3 is the position view of the first folder in the present invention.
Fig. 4 is the vertical view of the first folder in the present invention.
Fig. 5 is the structural representation of H type structure on oil tank of transformer sidewall in the present invention.
Fig. 6 is a phase point on the first folder, b phase point, c phase point amplitude at different frequencies.
Fig. 7 is oil tank of transformer surface a ' phase point, b ' phase point, c ' phase point amplitude at different frequencies.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Embodiment 1
As shown in figs. 1-7, amorphous alloy transformer vibration-testing apparatus used in the present invention, comprises the voltage regulator 1 of regulation voltage, the ICP transducer 4 of vibration-testing.ICP transducer 4 capture card 5 of connection data collection and the computer 7 of data analysis successively of vibration-testing.Data collecting card 5 is connected with being with the data wire of USB interface with computer 7.Also comprise noise meter 3, noise meter 3 is located near ICP transducer 4.Tested object is SBH15-10/0.4 amorphous alloy transformer 2.
Add rated voltage at amorphous alloy transformer 2 respectively and under open-circuit condition, test, record the vibration signal of each point and carry out data analysis, data results is shown in Fig. 6, Fig. 7.Through comparing on the first folder 9 a phase point, c phase point amplitude is larger than b phase point, oil tank of transformer 17 surperficial a ' phase point, c ' phase point amplitude are larger than b ' phase point, therefore H type structure (i.e. H type structural bead) is welded with respectively on the surface of the first folder 9 and oil tank of transformer 17, Fig. 4 is that upper H type reinforcement is welded on the first folder 9 (upper clamping piece), can find out that H type reinforcement is welded on the surface of oil tank of transformer 17 in Figure 5.
There is the amorphous alloy oil immersion type oil tank of transformer of decrease of noise functions, comprise oil tank of transformer 17, oil tank of transformer 17 case lid is provided with bushing 11 and low-tension bushing 12, base 15 is provided with on the downside of oil tank of transformer 17, beam is provided with between oil tank of transformer 17 and base 15, the first folder 9 is provided with in oil tank of transformer 17, first folder 9 is in horizontal distribution, first folder 9 is provided with two the first reinforcements 22, the second reinforcement 21, two the first reinforcements 22 are provided with and the second reinforcement 21 forms H type structure between two the first reinforcements 22; Oil tank of transformer 17 sidewalls vertical direction is provided with and is provided with the 4th reinforcement the 24, three reinforcement 23 between two the 3rd reinforcements, 23, two the 3rd reinforcements 23 and the 4th reinforcement 24 forms H type structure.It is U-shaped for being also provided with the second folder 8, second folder 8 in oil tank of transformer 17.。
Also comprise boatswain chair 18, between boatswain chair 18 and the second folder 8, be provided with crash roll.Oil tank of transformer 17 sidewall is provided with high-voltage tap changer 14.Bushing 11, low-tension bushing 12, high-voltage tap changer 14 are all tightly connected with oil tank of transformer 17.High-tension fuse 20 is provided with in oil tank of transformer 17.Radiator 13 is provided with outside oil tank of transformer 17.Also comprise iron core, iron core is that four frame five limbs type cores or three-frame and three pole are unshakable in one's determination.
Embodiment 2
There is the amorphous alloy oil immersion type oil tank of transformer of decrease of noise functions, as shown in figs. 1-7, comprise oil tank of transformer 17, oil tank of transformer 17 case lid is provided with bushing 11 and low-tension bushing 12, base 15 is provided with on the downside of oil tank of transformer 17, beam is provided with between oil tank of transformer 17 and base 15, the first folder 9 is provided with in oil tank of transformer 17, first folder 9 is in horizontal distribution, first folder 9 is provided with two the first reinforcements 22, the second reinforcement 21, two the first reinforcements 22 are provided with and the second reinforcement 21 forms H type structure between two the first reinforcements 22; Oil tank of transformer 17 sidewalls vertical direction is provided with and is provided with the 4th reinforcement the 24, three reinforcement 23 between two the 3rd reinforcements, 23, two the 3rd reinforcements 23 and the 4th reinforcement 24 forms H type structure.It is U-shaped for being also provided with the second folder 8, second folder 8 in oil tank of transformer 17.The vertical section of the U-shaped structure of the second folder 8, is located at the two ends of the first folder 9.
Also comprise boatswain chair 18, between boatswain chair 18 and the second folder 8, be provided with crash roll.Oil tank of transformer 17 sidewall is provided with high-voltage tap changer 14.High-tension fuse 20 is provided with in oil tank of transformer 17.Radiator 13 is provided with outside oil tank of transformer 17.Also comprise iron core, iron core is that four frame five limbs type cores or three-frame and three pole are unshakable in one's determination.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (9)
1. there is the amorphous alloy oil immersion type oil tank of transformer of decrease of noise functions, comprise oil tank of transformer (17), oil tank of transformer (17) case lid is provided with bushing (11) and low-tension bushing (12), oil tank of transformer (17) downside is provided with base (15), beam is provided with between oil tank of transformer (17) and base (15), it is characterized in that: in oil tank of transformer (17), be provided with the first folder (9), first folder (9) is in horizontal distribution, first folder (9) is provided with two the first reinforcements (22), the second reinforcement (21) is provided with between two the first reinforcements (22), two the first reinforcements (22) form H type structure with the second reinforcement (21).
2. the amorphous alloy oil immersion type oil tank of transformer with decrease of noise functions according to claim 1, it is characterized in that: oil tank of transformer (17) sidewalls vertical direction is provided with two the 3rd reinforcements (23), be provided with the 4th reinforcement (24) between two the 3rd reinforcements (23), the 3rd reinforcement (23) and the 4th reinforcement (24) form H type structure.
3. the amorphous alloy oil immersion type oil tank of transformer with decrease of noise functions according to claim 1, it is characterized in that: be also provided with the second folder (8) in oil tank of transformer (17), the second folder (8) is for U-shaped.
4. the amorphous alloy oil immersion type oil tank of transformer with decrease of noise functions according to claim 3, is characterized in that: also comprise boatswain chair (18), is provided with crash roll between boatswain chair (18) and the second folder (8).
5. the amorphous alloy oil immersion type oil tank of transformer with decrease of noise functions according to claim 1, is characterized in that: oil tank of transformer (17) sidewall is provided with high-voltage tap changer (14).
6. the amorphous alloy oil immersion type oil tank of transformer with decrease of noise functions according to claim 5, is characterized in that: bushing (11), low-tension bushing (12), high-voltage tap changer (14) and oil tank of transformer (17) are all tightly connected.
7. the amorphous alloy oil immersion type oil tank of transformer with decrease of noise functions according to claim 1, is characterized in that: be provided with high-tension fuse (20) in oil tank of transformer (17).
8. the amorphous alloy oil immersion type oil tank of transformer with decrease of noise functions according to claim 1, is characterized in that: oil tank of transformer (17) outside is provided with radiator (13).
9. the amorphous alloy oil immersion type oil tank of transformer with decrease of noise functions according to claim 1, is characterized in that: also comprise iron core, and iron core is that four frame five limbs type cores or three-frame and three pole are unshakable in one's determination.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510031867.8A CN104599819B (en) | 2015-01-22 | 2015-01-22 | Amorphous alloy oil-immersed transformer oil tank with noise reduction function |
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| CN201510031867.8A CN104599819B (en) | 2015-01-22 | 2015-01-22 | Amorphous alloy oil-immersed transformer oil tank with noise reduction function |
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| CN104599819A true CN104599819A (en) | 2015-05-06 |
| CN104599819B CN104599819B (en) | 2017-01-25 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0785454B2 (en) * | 1993-12-14 | 1995-09-13 | 株式会社東芝 | Oil-filled static induction |
| CN2591735Y (en) * | 2002-12-20 | 2003-12-10 | 上海置信电气股份有限公司 | Fire resistant liquid amorphous alloy transformer |
| CN202205550U (en) * | 2011-08-24 | 2012-04-25 | 山东临清益和变压器有限公司 | Iron core clamp of dry type transformer |
| CN202816557U (en) * | 2012-09-14 | 2013-03-20 | 保定天威集团有限公司 | Noise reduction structure between transformer oil tank and foundation |
| CN103871718A (en) * | 2014-02-27 | 2014-06-18 | 山东华驰变压器股份有限公司 | Low-noise amorphous metal transformer |
| CN204407131U (en) * | 2015-01-22 | 2015-06-17 | 三变科技股份有限公司 | A kind of amorphous alloy oil immersion type oil tank of transformer with decrease of noise functions |
-
2015
- 2015-01-22 CN CN201510031867.8A patent/CN104599819B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0785454B2 (en) * | 1993-12-14 | 1995-09-13 | 株式会社東芝 | Oil-filled static induction |
| CN2591735Y (en) * | 2002-12-20 | 2003-12-10 | 上海置信电气股份有限公司 | Fire resistant liquid amorphous alloy transformer |
| CN202205550U (en) * | 2011-08-24 | 2012-04-25 | 山东临清益和变压器有限公司 | Iron core clamp of dry type transformer |
| CN202816557U (en) * | 2012-09-14 | 2013-03-20 | 保定天威集团有限公司 | Noise reduction structure between transformer oil tank and foundation |
| CN103871718A (en) * | 2014-02-27 | 2014-06-18 | 山东华驰变压器股份有限公司 | Low-noise amorphous metal transformer |
| CN204407131U (en) * | 2015-01-22 | 2015-06-17 | 三变科技股份有限公司 | A kind of amorphous alloy oil immersion type oil tank of transformer with decrease of noise functions |
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| CN104599819B (en) | 2017-01-25 |
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