CN214476913U - Low-noise transformer - Google Patents
Low-noise transformer Download PDFInfo
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- CN214476913U CN214476913U CN202120522744.5U CN202120522744U CN214476913U CN 214476913 U CN214476913 U CN 214476913U CN 202120522744 U CN202120522744 U CN 202120522744U CN 214476913 U CN214476913 U CN 214476913U
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Abstract
The utility model belongs to the technical field of transformers, in particular to a low-noise transformer, which comprises an oil tank, wherein the lower end surface of the oil tank is provided with a shock absorption and noise reduction device, the shock absorption and noise reduction device comprises a fixed plate, the lower end surface of the fixed plate is fixedly connected with two upper flat plates, the existence of a large damping spring limits the time of passing through a resonance area, and simultaneously reduces the amplitude during resonance, thereby obviously reducing the resonance phenomenon when a vibrating screen stops, thereby playing the noise reduction effect, a noise reduction layer is filled in an interlayer between the oil tank wall and an inner tank body to absorb noise, reducing the whole noise of the transformer, thereby avoiding the noise polluting the environment and influencing the human health, solving the problem that the noise source of the existing transformer body is mainly that an iron core and a winding generate noise and then is transmitted outwards through the oil tank, or the oil tank body vibrates to generate noise, therefore, the noise is bigger, the noise pollutes the environment and harms the human health.
Description
Technical Field
The utility model relates to a transformer technical field, concretely relates to low noise transformer.
Background
In recent years, with the improvement of the living standard of people, the demand of electricity is increasing, high-voltage and large-capacity transformer stations are gradually deepened into urban areas, the fatigue of nervous systems and the pain related to the fatigue can be caused by huge and persistent noises in the transformer stations, the noises mainly come from transformers, and with the improvement of the requirements of countries in the world on the aspect of environmental protection, the noise problem of the transformers is more and more generally concerned.
The existing transformer body noise source is mainly that the iron core and the winding generate noise and then are outwards transmitted through the oil tank, or the oil tank body vibrates to generate noise, so that the noise is more manual, the noise pollutes the environment, and the human health is harmed.
SUMMERY OF THE UTILITY MODEL
For solving the problem that proposes among the above-mentioned background art, the utility model provides a low noise transformer has through reducing resonance, effectively reduces the noise, and the oil tank inner wall sound insulation is effectual, is favorable to the human health, avoids the characteristics of polluted environment.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low-noise transformer, includes the oil tank, vibration/noise reduction device is installed to the lower terminal surface of oil tank, vibration/noise reduction device includes the fixed plate, two upper flat plates of lower terminal surface fixedly connected with of fixed plate, two buffer springs of the equal fixedly connected with of lower terminal surface of upper flat plate, two the equal fixedly connected with damping spring in lower terminal surface center of upper flat plate, damping spring is located between two buffer spring, two dull and stereotyped, two under buffer spring and damping spring's the lower terminal surface fixedly connected with of lower flat plate bottom plate, the inside of oil tank is provided with interior box, be provided with the intermediate layer between oil tank and the interior box, the inside packing of intermediate layer has the noise damping layer, the noise damping layer includes the first layer of making an uproar and the second layer of making an uproar that falls.
In order to play spacing effect, it is more stable when making the fixed plate reciprocate, as the utility model relates to a low noise transformer is preferred, the equal fixedly connected with curb plate in the left and right sides of fixed plate, two the equal fixedly connected with loop bar of the lower terminal surface of curb plate, two the equal sliding connection of lower terminal surface of loop bar has the sleeve, two telescopic lower terminal surface all with the up end fixed connection of bottom plate.
In order to improve damping spring damping, as the utility model relates to a low noise transformer is preferred, damping spring is compound spring.
In order to improve the syllable-dividing effect of oil tank wall, as the utility model relates to a low noise transformer is preferred, the first layer of making an uproar of falling is EPDM rubber.
In order to absorb the internal noise of the oil tank, as the utility model relates to a low-noise transformer is preferred, the layer of making an uproar is fallen to the second is glass fiber cotton
For convenient dismantlement vibration/noise reduction device, as the utility model relates to a low noise transformer is preferred, the up end of fixed plate passes through the bolt with the oil tank and can dismantle with the oil tank and be connected.
Compared with the prior art, the beneficial effects of the utility model are that:
when the box body vibrates, the vibration force is transmitted to the fixed plate at the bottom of the oil tank, the bottom of the fixed plate is provided with a left group of damping structures and a right group of damping structures, the damping effect is improved, the upper flat plate and the lower flat plate are convenient to install and fix the buffer springs and the damping springs, when the vibration force is transmitted to the upper flat plate, the two buffer springs firstly absorb and buffer the vibration force, the vibration is greatly reduced, the damping springs are matched with the damping springs supported in the middle part, the damping springs are composite springs, the damping of the composite springs is larger than that of a common metal spring, the existence of the large damping limits the time of passing through a resonance area, and simultaneously, the amplitude during resonance is reduced, so that the resonance phenomenon during shutdown of the vibrating screen is obviously reduced, the noise caused by resonance is effectively reduced due to the reduction of the amplitude and frequency of the resonance, the noise reduction effect is achieved, meanwhile, the inner box body is arranged in the oil tank, so that the oil tank is of a double-layer structure, and the sound insulation effect of the double-layer structure is better than that of a single-layer structure, the noise that makes inside iron core of oil tank and winding produce is difficult for propagating, and the inside noise damping layer that still packs of intermediate layer between oil tank wall and the interior box, and the noise damping layer falls the double-deck constitution of layer of making an uproar through first layer of making an uproar and the second of falling, has improved the syllable-dividing effect of oil tank greatly, absorbs the noise simultaneously, has reduced transformer noise, thereby avoids noise pollution environment and influences human health.
To sum up, this kind of low noise transformer has through reducing resonance, effectively reduces the noise, and the oil tank inner wall gives sound insulation effectually, is favorable to the human health, avoids the characteristics of polluted environment.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is a structural diagram of the damping and noise reducing device of the present invention;
FIG. 3 is a top view cross-sectional structure diagram of the fuel tank of the present invention;
FIG. 4 is a cross-sectional structural view of the sound-deadening layer of the present invention;
in the figure, 1, a fuel tank; 2. a damping and noise reducing device; 3. a fixing plate; 4. an upper flat plate; 5. a buffer spring; 6. A damping spring; 7. a lower flat plate; 8. a base plate; 9. an inner box body; 10. a sound-deadening layer; 11. a first noise reduction layer; 12. a second noise reduction layer; 13. a side plate; 14. a loop bar; 15. a sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a low-noise transformer, including oil tank 1, vibration/noise reduction device 2 is installed to the lower terminal surface of oil tank 1, vibration/noise reduction device 2 includes fixed plate 3, two last dull and stereotyped 4 of lower terminal surface fixedly connected with of fixed plate 3, two buffer springs 5 of the equal fixedly connected with of lower terminal surface of two last dull and stereotyped 4, two equal fixedly connected with damping spring 6 in lower terminal surface center of going up dull and stereotyped 4, damping spring 6 is located between two buffer springs 5, dull and stereotyped 7 under two buffer springs 5 and damping spring 6's the lower terminal surface fixedly connected with, two lower terminal surface fixedly connected with bottom plates 8 of dull and stereotyped 7 down, the inside of oil tank 1 is provided with interior box 9, be provided with the intermediate layer between oil tank 1 and the interior box 9, the inside packing of intermediate layer has noise reduction layer 10, noise reduction layer 10 includes first noise reduction layer 11 and the second noise reduction layer 12.
In this embodiment: when the box body vibrates, the vibration force is transmitted to the fixed plate 3 at the bottom of the oil tank 1, the bottom of the fixed plate 3 is provided with a left group of damping structures and a right group of damping structures, the damping effect is improved, the upper flat plate 4 and the lower flat plate 7 are convenient to install and fix the buffer springs 5 and the buffer springs 6, when the vibration force is transmitted to the upper flat plate 4, the two buffer springs 5 firstly absorb and buffer the vibration force, the vibration is greatly reduced, the buffer springs 6 supported at the middle part are matched, the buffer springs 6 are composite springs, the damping of the composite springs is larger than that of a common metal spring, the time of passing through a resonance area is limited due to the existence of large damping, and the amplitude during resonance is reduced at the same time, so that the resonance phenomenon when the vibrating screen stops is obviously reduced, the noise caused by resonance is effectively reduced due to the reduction of the resonance amplitude and the frequency, the noise reduction effect is achieved, meanwhile, the inner box body 9 is arranged in the oil tank 1, so that the oil tank 1 is of a double-layer structure, bilayer structure compares the individual layer structure effect that gives sound insulation better, the noise that makes 1 inside iron core of oil tank and winding produce is difficult for propagating, and the inside noise damping layer 10 that still packs of intermediate layer between oil tank wall and the interior box 9, the noise damping layer falls the 12 double-deck constitutions on the layer through first layer 11 and the second of falling, the sound insulation effect of oil tank 1 has been improved greatly, absorb the noise simultaneously, transformer noise is reduced, thereby avoid noise pollution environment and influence mankind's health.
As a technical optimization scheme of the utility model, the equal fixedly connected with curb plate 13 in the left and right sides of fixed plate 3, the equal fixedly connected with loop bar 14 of the lower terminal surface of two curb plates 13, the equal sliding connection of lower terminal surface of two loop bars 14 has sleeve 15, two sleeve 15's lower terminal surface all with bottom plate 8's up end fixed connection.
In this embodiment: through setting up curb plate 13 and being convenient for fixed loop bar 14, the up end fixedly connected with of bottom plate 8 and the corresponding sleeve 15 of loop bar 14, and loop bar 14 is at the inside sliding connection of sleeve 15, when oil tank 1 drove the vibration of fixed plate 3, buffer spring 5 and damping spring 6 slightly contract, fixed plate 3 moved down this moment, and loop bar 14 slides in sleeve 15 inside and plays spacing effect, make fixed plate 3 remove more steadily
As a technical optimization scheme of the utility model, damping spring 6 is compound spring.
In this embodiment: the damping of the composite spring is larger than that of a common metal spring, the time of passing through a resonance area is limited due to the existence of large damping, the amplitude of the vibration screen during resonance is reduced, and the resonance phenomenon of the vibration screen during shutdown is obviously reduced.
As a technical optimization scheme of the utility model, first layer 11 of making an uproar is for EPDM rubber of making an uproar falls.
In this embodiment: first layer 11 of making an uproar is EPDM rubber, and EPDM rubber has good syllable-dividing noise reduction effect, can stop 1 internal noise of oil tank and propagate, still has good damping effect simultaneously to reduce 1 resonance of oil tank, further noise reduction.
As a technical optimization scheme of the utility model, the layer 12 of making an uproar falls in the second is the glass fiber cotton.
In this embodiment: the second noise reduction layer 12 is made of glass fiber cotton, is an inorganic non-metallic material with excellent performance, and has the advantages of good sound insulation effect, good corrosion resistance and long service life.
As a technical optimization scheme of the utility model, the up end of fixed plate 3 passes through the bolt with oil tank 1 and can dismantle and be connected.
In this embodiment: the up end of fixed plate 3 can be dismantled with oil tank 1 through the bolt and be connected and conveniently dismantle noise reduction device 2, makes noise reduction device 2 break away from with oil tank 1.
The utility model discloses a theory of operation and use flow: when the box body vibrates, the vibration force is transmitted to the fixed plate 3 at the bottom of the oil tank 1, the bottom of the fixed plate 3 is provided with a left group of damping structures and a right group of damping structures, the damping effect is improved, the upper flat plate 4 and the lower flat plate 7 are convenient to install and fix the buffer springs 5 and the buffer springs 6, when the vibration force is transmitted to the upper flat plate 4, the two buffer springs 5 firstly absorb and buffer the vibration force, the vibration is greatly reduced, the buffer springs 6 supported at the middle part are matched, the buffer springs 6 are composite springs, the damping of the composite springs is larger than that of a common metal spring, the time of passing through a resonance area is limited due to the existence of large damping, and the amplitude during resonance is reduced at the same time, so that the resonance phenomenon when the vibrating screen stops is obviously reduced, the noise caused by resonance is effectively reduced due to the reduction of the resonance amplitude and the frequency, the noise reduction effect is achieved, meanwhile, the inner box body 9 is arranged in the oil tank 1, so that the oil tank 1 is of a double-layer structure, bilayer structure compares the individual layer structure effect that gives sound insulation better, the noise that makes 1 inside iron core of oil tank and winding produce is difficult for propagating, and the inside noise damping layer 10 that still packs of intermediate layer between oil tank wall and the interior box 9, the noise damping layer falls the 12 double-deck constitutions on the layer through first layer 11 and the second of falling, the sound insulation effect of oil tank 1 has been improved greatly, absorb the noise simultaneously, transformer noise is reduced, thereby avoid noise pollution environment and influence mankind's health.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A low noise transformer, includes oil tank (1), its characterized in that: the damping and noise reducing device comprises an oil tank (1), wherein a damping and noise reducing device (2) is installed on the lower end face of the oil tank (1), the damping and noise reducing device (2) comprises a fixed plate (3), two upper flat plates (4) are fixedly connected to the lower end face of each of the fixed plates (3), two buffer springs (5) are fixedly connected to the lower end face of each of the two upper flat plates (4), a damping spring (6) is fixedly connected to the center of the lower end face of each of the two upper flat plates (4), the damping spring (6) is located between the two buffer springs (5), a lower flat plate (7) is fixedly connected to the lower end faces of the two buffer springs (5) and the damping spring (6), a bottom plate (8) is fixedly connected to the lower end face of each of the two lower flat plates (7), an inner tank body (9) is arranged inside the oil tank (1), an interlayer is arranged between the oil tank (1) and the inner tank body (9), and a noise reduction layer (10) is filled inside the interlayer, the sound-damping layer (10) comprises a first noise-reducing layer (11) and a second noise-reducing layer (12).
2. A low noise transformer according to claim 1, wherein: the equal fixedly connected with curb plate (13) of the left and right sides of fixed plate (3), two the equal fixedly connected with loop bar (14) of lower terminal surface of curb plate (13), two the equal sliding connection of lower terminal surface of loop bar (14) has sleeve (15), two the lower terminal surface of sleeve (15) all with the up end fixed connection of bottom plate (8).
3. A low noise transformer according to claim 1, wherein: the damping spring (6) is a composite spring.
4. A low noise transformer according to claim 1, wherein: the first noise reduction layer (11) is EPDM rubber.
5. A low noise transformer according to claim 1, wherein: the second noise reduction layer (12) is made of glass fiber cotton.
6. A low noise transformer according to claim 1, wherein: the upper end face of the fixing plate (3) is detachably connected with the oil tank (1) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120522744.5U CN214476913U (en) | 2021-03-12 | 2021-03-12 | Low-noise transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120522744.5U CN214476913U (en) | 2021-03-12 | 2021-03-12 | Low-noise transformer |
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| Publication Number | Publication Date |
|---|---|
| CN214476913U true CN214476913U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120522744.5U Active CN214476913U (en) | 2021-03-12 | 2021-03-12 | Low-noise transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116913658A (en) * | 2023-08-27 | 2023-10-20 | 南通兴安源金属制品有限公司 | Transformer oil tank with good noise reduction effect and use method thereof |
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2021
- 2021-03-12 CN CN202120522744.5U patent/CN214476913U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116913658A (en) * | 2023-08-27 | 2023-10-20 | 南通兴安源金属制品有限公司 | Transformer oil tank with good noise reduction effect and use method thereof |
| CN116913658B (en) * | 2023-08-27 | 2024-03-08 | 南通兴安源金属制品有限公司 | Transformer oil tank with good noise reduction effect and use method thereof |
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