CN218038824U - Composite oil tank magnetic shielding structure - Google Patents
Composite oil tank magnetic shielding structure Download PDFInfo
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- CN218038824U CN218038824U CN202222240461.9U CN202222240461U CN218038824U CN 218038824 U CN218038824 U CN 218038824U CN 202222240461 U CN202222240461 U CN 202222240461U CN 218038824 U CN218038824 U CN 218038824U
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Abstract
The utility model discloses a composite oil tank magnetic shielding structure, which comprises a plate type magnetic shielding, a rolling magnetic shielding and a fixed body; the plate type magnetic shield and the rolling magnetic shield are arranged in the fixing body; the fixed body is used for board-like magnetic shield and stock form magnetic shield to fix on the oil tank lateral wall, combine board-like magnetic shield and system magnetic shield of book, fix board-like magnetic shield and system magnetic shield on the lateral wall of oil tank through the fixed body, board-like magnetic shield and system magnetic shield of book are because structural characteristic, the direction of stromatolite is different, the stromatolite direction of board-like magnetic shield is the vertical direction with the oil tank lateral wall, the stromatolite direction of system magnetic shield is horizontal and longitudinal distribution along the lateral wall of oil tank, the stromatolite direction cooperation of two kinds of magnetic shields has reduced the concentrated phenomenon of magnetic leakage, can reduce the magnetic density effect on magnetic shield surface, avoid the magnetic shield vibrations and produce the noise, the loss of magnetic shield has been reduced.
Description
Technical Field
The utility model belongs to the technical field of the magnetism shielding, a compound oil tank magnetism shielding structure is related to.
Background
When oil-immersed transformer or reactor design, high to a certain extent when transformer or reactor oil tank surface incident magnetic density, should lay the magnetic screen, thereby prevent that the direct oil tank wall that gets into of magnetic leakage flux from producing a large amount of stray losses for the route of magnetic leakage flux provides the low magnetic resistance.
In transformer and reactor oil tanks, the existing magnetic shields have single functions, and firstly, incident magnetic flux is difficult to penetrate through the thickness direction when some magnetic shields work, so that the surface magnetic density is high, and the vibration of the magnetic shields can cause noise; secondly, partial magnetic shield can cause the both sides magnetic shield distance of magnetic shield to be far away because of self structural characteristic when the during operation, and the magnetic density of both sides can be higher than the magnetic density of middle part and other positions usually, also can appear magnetic leakage concentration phenomenon, leads to the magnetic shield loss great.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve among the prior art oil tank surface magnetism density too high, lead to the magnetic screen vibrations and the noise is sent to and the phenomenon that the magnetic leakage was concentrated, provide a compound oil tank magnetic screen structure, adopt two kinds of magnetic screen combination modes of isostructure, reach the effect that reduces magnetic screen surface magnetism density, and then reduce the noise that magnetic screen vibrations produced, reduce the magnetic screen loss.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a composite oil tank magnetic shielding structure comprises a plate type magnetic shielding, a rolled magnetic shielding and a fixed body;
the plate type magnetic shield and the rolling magnetic shield are arranged in the fixing body;
the fixing body is used for fixing the plate type magnetic shielding and the roll paper magnetic shielding on the side wall of the oil tank.
The utility model discloses a further improvement lies in:
the plate type magnetic shields are arranged in two, and the rolled magnetic shields are distributed between the two plate type magnetic shields.
The plate type magnetic shielding and the rolling magnetic shielding are sequentially and transversely arranged and distributed along the outer side wall of the oil tank.
The number of the rolled magnetic shields is three.
The fixing bodies are provided with a plurality of fixing bodies, and a plate type magnetic shield or a rolling magnetic shield is arranged in each fixing body.
The fixing body is a fixing groove, and the plate type magnetic shield and the rolled magnetic shield are respectively clamped in the fixing groove.
The fixing groove is made of an insulating material.
The fixing groove is made of a paperboard.
Be provided with the jack catch on the fixed slot, the jack catch sets up in the both sides of fixed slot, and the jack catch is connected with the oil tank lateral wall.
The clamping jaws are welded with the side wall of the oil tank.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a compound oil tank magnetic screen structure, combine board-like magnetic screen and roll system magnetic screen, fix board-like magnetic screen and roll system magnetic screen on the lateral wall of oil tank through the fixed body, board-like magnetic screen and roll system magnetic screen are because structural feature, the orientation of stromatolite is different, the stromatolite orientation and the oil tank lateral wall of board-like magnetic screen are the vertical direction, the stromatolite orientation of roll system magnetic screen is horizontal and longitudinal distribution along the lateral wall of oil tank, the stromatolite orientation cooperation of two kinds of magnetic screens has reduced the phenomenon that the magnetic leakage was concentrated, can reduce the magnetic density effect on magnetic screen surface, avoid the magnetic screen vibrations and produce the noise, the loss of magnetic screen has been reduced.
Further, the utility model discloses with board-like magnetic screen setting in the both sides of system magnetic screen of book, the board-like magnetic screen of both sides mainly provides the low magnetic resistance route for the coil magnetic leakage that the oil tank wall was collected, prevents that magnetic flux vertical incidence from appearing in the side of magnetic screen, avoids the side magnetic density too high, and middle book system magnetic screen provides the low magnetic resistance route for the coil magnetic leakage that directly gets into the magnetic screen, reduces the surface magnetic density, and this kind of complementary of mode of arranging, the loss of reduction magnetic screen that can be better.
Further, the utility model discloses well fixed slot is insulating material, has increased the magnetic resistance of magnetic screen to the oil tank wall.
Further, the utility model discloses the both sides of fixed slot are provided with the jack catch, and the fixed slot passes through the jack catch to be connected with the fuel tank wall, and the jack catch makes being connected of fixed slot more firm.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial structure diagram of the present invention;
fig. 3 is a plate type magnetic shielding structure of the present invention (wherein, the shear head a represents the rolling direction of silicon steel sheets, and the shear head B represents the stacking direction of silicon steel sheets);
fig. 4 is a rolled magnetic shielding structure of the present invention (wherein, the shearing head C represents the rolling direction of the silicon steel sheet, and the shearing heads D, E, and F represent the stacking direction of the silicon steel sheet);
wherein: 1-plate type magnetic shielding; 2-rolling magnetic shielding; 3, fixing the groove; 4-an oil tank; 5-clamping jaw.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "horizontal", "inner", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the term "horizontal", if present, does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "set", "mounted", "connected" and "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1-2, the utility model discloses a compound oil tank magnetic screen structure provides a board-like magnetic screen and a system magnetic screen of rolling up to carry out the built-up connection with two kinds of magnetic screens through the fixed body, set up with arranging the orientation of two kinds of magnetic screens according to the orientation of oil tank magnetic flux, make this magnetic screen structure can reduce the effect that magnetic shield surface magnetism is close, can reduce the noise again, reduce than shielded loss.
The utility model discloses specifically include:
a plate type magnetic shield 1; rolling the magnetic shield 2; a fixed groove 3; oil tank 4 and jack catch 5, concrete structure is:
the fixing groove 3 is mainly used as a fixing body for fixing and arranging the magnetic shields.
Fixed slot 3 passes through jack catch 5 to be fixed on the lateral wall of oil tank 4, and concrete structure is:
the fixed slot 3 is the rectangle draw-in groove, and board-like magnetic shield 1 is provided with jack catch 5 in the both sides of fixed slot 3 with the inside at the rectangle draw-in groove with system magnetic shield 2 card respectively, jack catch 5 and the lateral wall welding of oil tank 4.
The embodiment of the utility model provides an in, 1 or the system magnetic screen 2 of book of board-like magnetic screen of installation is corresponded to each fixed slot 3, and board-like magnetic screen 1 is vertical installation respectively with system magnetic screen 2 of book, refer to fig. 3-4, and this kind of distribution mode makes the range upon range of direction of board-like magnetic screen 1 and the lateral wall of oil tank 4 be vertical angle, and vertical direction is rolling direction, and this kind of distribution mode makes the vertical direction of board-like magnetic screen 1 have higher magnetic permeability, and the horizontal direction has inferior high magnetic permeability.
Wherein, when rolling up system magnetic shield 2 and setting up, the stromatolite is rolled up around perpendicular tank wall direction and is made, extrude into runway shape after rolling up, during longitudinal arrangement, vertical direction is rolling direction, higher magnetic conductivity has, inferior high magnetic conductivity has along the thickness direction, the magnetic density is comparatively even, the magnetic shield range upon range of direction of two kinds of structures is different, the range upon range of direction of two kinds of magnetic shields is cooperated, form complementarily, according to the range upon range of direction of magnetic flux distribution magnetic shield, can reduce the magnetic leakage and concentrate, reduce the effect of magnetic shield surface magnetic density, and then reduce the noise that magnetic shield vibrations produced, reduce the magnetic shield loss.
In the embodiment of the utility model, the material of fixed slot 3 is insulating material.
The embodiment of the utility model discloses fixed slot 3's material is the cardboard, and the cardboard has the magnetism effect that separates, and the cardboard has certain thickness, has increased board-like magnetic screen 1 and has rolled up the magnetic resistance between system magnetic screen 2 and the oil tank 4, prevents that the magnetic flux from passing through board-like magnetic screen 1 and roll up system magnetic screen 2 and get into inside oil tank 4.
The embodiment of the utility model provides an in, board-like magnetic screen 1 is provided with two, and system magnetic screen 2 is provided with threely, and five magnetic screens are arranged along the outside of oil tank 4 wall transverse distribution in proper order, and wherein, two board-like magnetic screens 1 set up respectively at three magnetic screen 2's both ends, and every magnetic screen structure corresponds a fixed slot 3, and the silicon steel sheet of the system magnetic screen 2 of book that the centre was listed as is folded along the direction of perpendicular tank wall, and the board-like magnetic screen 1 that is listed as in both sides is folded along the direction of parallel tank wall.
The embodiment of the utility model provides an in, board-like magnetic shield 1 forms by the suppression of silicon steel sheet with system magnetic shield 2 of book.
The embodiment of the utility model provides a quantity can be adjusted according to the demand to the book system magnetic shield 2's of middle row quantity.
The embodiment of the utility model provides an in, install board-like magnetic screen 1 in the both sides of rolling up system magnetic screen, the board-like magnetic screen 1 that is located both sides row mainly provides the low magnetic resistance route for the coil magnetic leakage that the oil tank wall was collected, prevent that magnetic flux vertical incidence from appearing in the side of magnetic screen, the coil magnetic leakage that less coil magnetic leakage got into the magnetic screen perpendicularly relatively has avoided the side magnetic density too high, the book system magnetic screen 2 that the centre was listed as provides the low magnetic resistance route for the coil magnetic leakage that directly gets into the magnetic screen, the surface magnetic density has been reduced, the magnetic screen of two kinds of structures combines, can reduce the effect of magnetic screen surface magnetic density, the noise that few magnetic screen vibrations produced, reduce the structure of magnetic screen loss.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A composite oil tank magnetic shielding structure is characterized by comprising a plate type magnetic shielding (1), a rolled magnetic shielding (2) and a fixing body;
the plate type magnetic shield (1) and the rolling magnetic shield (2) are arranged in the fixing body;
the fixing body is used for fixing the plate type magnetic shield (1) and the rolled magnetic shield (2) on the side wall of the oil tank.
2. A composite tank magnetic shield structure according to claim 1, characterized in that there are two plate magnetic shields (1), and the rolled magnetic shield (2) is distributed between the two plate magnetic shields (1).
3. The composite oil tank magnetic shielding structure according to claim 1, wherein the plate type magnetic shielding (1) and the rolled magnetic shielding (2) are arranged and distributed transversely along the outer side wall of the oil tank in sequence.
4. A composite tank magnetic shield structure according to claim 3, characterized in that said rolled magnetic shield (2) is provided in three.
5. A composite oil tank magnetic shielding structure as claimed in claim 1, characterized in that the fixing body is provided with a plurality of fixing bodies, and a plate type magnetic shielding (1) or a rolled magnetic shielding (2) is arranged inside each fixing body.
6. The composite oil tank magnetic shielding structure according to claim 5, wherein the fixing body is a fixing groove (3), and the plate type magnetic shielding (1) and the rolled magnetic shielding (2) are respectively clamped in the fixing groove (3).
7. The composite oil tank magnetic shield structure according to claim 6, characterized in that the fixing grooves (3) are made of insulating materials.
8. The composite oil tank magnetic shielding structure according to claim 7, wherein the fixing groove (3) is made of cardboard.
9. The composite oil tank magnetic shielding structure according to claim 6, characterized in that the fixing groove (3) is provided with clamping claws (5), the clamping claws (5) are arranged on two sides of the fixing groove (3), and the clamping claws (5) are connected with the side wall of the oil tank.
10. A composite tank magnetic shield structure according to claim 9, characterized in that said jaws (5) are welded to the tank side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222240461.9U CN218038824U (en) | 2022-08-24 | 2022-08-24 | Composite oil tank magnetic shielding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222240461.9U CN218038824U (en) | 2022-08-24 | 2022-08-24 | Composite oil tank magnetic shielding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218038824U true CN218038824U (en) | 2022-12-13 |
Family
ID=84350470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222240461.9U Active CN218038824U (en) | 2022-08-24 | 2022-08-24 | Composite oil tank magnetic shielding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218038824U (en) |
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2022
- 2022-08-24 CN CN202222240461.9U patent/CN218038824U/en active Active
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