CN110176348B - Magnetic leakage is separated and is prevented roll iron core dry-type transformer of cluster - Google Patents
Magnetic leakage is separated and is prevented roll iron core dry-type transformer of cluster Download PDFInfo
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- CN110176348B CN110176348B CN201910436382.5A CN201910436382A CN110176348B CN 110176348 B CN110176348 B CN 110176348B CN 201910436382 A CN201910436382 A CN 201910436382A CN 110176348 B CN110176348 B CN 110176348B
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- 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
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- 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
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- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2876—Cooling
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- 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
- H01F27/346—Preventing or reducing leakage fields
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
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Abstract
The invention discloses a magnetic leakage separated string-proof wound core dry-type transformer which structurally comprises a mounting base, a coil, a high-voltage tapping device, a magnetic connecting device, a triangular upper clamping piece, a high-voltage terminal and a low-voltage terminal. Has the advantages that: the invention utilizes the magnetic flux receiving mechanism to carry out magnetic flux leakage isolation among the three parts when the magnetic flux leakage is generated on the coil so as to avoid the mutual influence of electromagnetism generated by the magnetic flux leakage and enable the voltage in the coil to be unstable, so that the transformer is in a high-voltage leakage state and causes destructive damage to the periphery, the high-efficiency heat dissipation of the surface of the coil through the circulation holes is realized under the action of the principle that the pressure intensity of natural airflow is increased when the natural airflow passes through a small hole under the condition that the coil is used for heat dissipation, and meanwhile, the dust on the opposite surfaces of the three parts is cleaned through the cleaning structure so as to avoid the phenomenon that the periphery voltage of the transformer is increased when the magnetic flux leakage is generated due to the mutual adsorption of the dust and electrons, thereby generating the high-voltage leakage phenomenon.
Description
Technical Field
The invention relates to the field of transformers, in particular to a wound core dry-type transformer with magnetic leakage separated anti-series.
Background
As one of the energy sources in daily life or indispensable for people, the power occupies the core main force in various industries, a power system is one of the most important achievements in the human engineering science history, the generated energy and the power consumption in China increase with the pace of urban and rural power grid construction, the total capacity of a transformer of 11kVA needs to be increased with the increase of the generated energy of 1kW, and the Satons distribution transformer occupies 1/3-1/2 of the total capacity of all the transformers, so the transformer industry is in the heating stage under the pulling of the power grid construction, wherein the dry distribution transformer occupies 1/5-1/4 of the total capacity of all the distribution transformers, because the dry distribution transformer is mainly placed outdoors in the urban and rural areas and usually adopts a coiled iron core type and is placed in a triangular mode to reduce the stray magnetic field around the transformer for reducing the space, however, the dry-type transformer is easily covered by dust due to the natural environment when the dry-type transformer is placed outdoors, and the dust and the electronic transaction form a mutual adsorption phenomenon, so that a magnetic field around the dry-type transformer changes, and the wound core dry-type transformer is arranged in a triangular shape, and when magnetic leakage occurs on the mutually opposite surfaces of the wound core dry-type transformer, the magnetic fields are mutually disorderly connected, so that the pressure instability phenomenon of the transformer occurs, and the destructive damage to the surrounding environment is caused seriously.
Disclosure of Invention
The invention aims to provide a wound core dry-type transformer with magnetic leakage separated and string prevention, which aims to solve the defects that in the prior art, a dry-type distribution transformer in urban and rural areas is mainly placed outdoors, the dry-type transformer is usually in a wound core type for reducing space and is placed in a triangular mode to reduce the stray magnetic field around the transformer, but the dry-type transformer is influenced by the natural environment because the dry-type transformer is placed outdoors, the dry-type transformer is easily covered by dust, and the magnetic field change is generated around the dry-type transformer because the dust and electronic transaction form a mutual adsorption phenomenon, and the wound core dry-type transformer is placed in a triangular mode, and when the magnetic leakage phenomenon is generated on the mutually opposite surfaces, the magnetic fields are mutually disorderly and string to cause the unstable pressure phenomenon of the transformer, and the damage to the surrounding environment is seriously caused.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a magnetic leakage is separated and is prevented string's reel iron core dry-type transformer, its structure includes installation base, coil, high-pressure shunting, magnetism linking device, triangle folder, high-voltage terminal, low voltage terminal on, the coil is equipped with three and is triangle-shaped structure installation respectively and is connected through bolt fastening with installation base upper surface, high-pressure shunting is installed in the coil surface and is connected through electric welding, magnetism linking device is triangle-shaped structure and locates the coil and face department mutually, triangle folder install in coil upper surface and be connected through bolt fastening on the coil, high voltage terminal locates triangle folder left side and is connected with the coil electricity on, low voltage terminal locates triangle folder right side and is connected with the coil electricity on, magnetism linking device includes magnetic flux receiving mechanism, circulation of gas frame board, dust cleaning structure, the circulation of gas frame board is equipped with three and is even equidistance respectively and installs in magnetic flux receiving mechanism surface, the air circulation frame plate is connected with the magnetic flux receiving mechanism through electric welding, the dust cleaning structure is arranged on the surface of the air circulation frame plate, and one end of the dust cleaning structure is connected with the magnetic flux receiving mechanism.
As a further scheme of the invention, the magnetic flux receiving mechanism comprises two buckling discs, two separating arc plates, two magnetic flux plates and two metal strips, the three separating arc plates are arranged between the two buckling discs and are respectively arranged at intervals and are connected through buckling, the magnetic flux plates are arranged inside the buckling discs and are connected through sleeving, the six metal strips are arranged in pairs and are respectively arranged on the left wall and the right wall in the separating arc plates in a group, the metal strips and the separating arc plates are connected through electric welding and are connected with a dust cleaning structure, and omnibearing isolation treatment on magnetic flux leakage is favorably realized.
As a further scheme of the invention, the magnetic flux plate comprises a telescopic frame, a plurality of insulating particles and air bags, wherein the insulating particles are uniformly and equidistantly arranged on the inner side wall of the telescopic frame, the insulating particles are vertically connected with the telescopic frame through electric welding, and the air bags are arranged at the lower part in the telescopic frame and are connected through gluing, so that effective mutual isolation treatment can be performed on coils which are running and generate magnetic leakage while heat dissipation is performed.
As a further scheme of the invention, the inside of the air circulation frame plate is of a hollow structure, the surface of the air circulation frame plate is provided with a plurality of irregular circulation holes, and the circulation holes and the air circulation frame plate are of an integrated structure, so that the coils are subjected to omnibearing heat dissipation.
As a further scheme of the invention, the telescopic frame and the airflow frame plate are both made of high-density metal materials, so that mutual isolation is realized during magnetic flux leakage, and mutual influence is avoided.
As a further scheme of the invention, the dust cleaning structure comprises an arc-shaped strip, hair balls, a buckling movable piece and magnetic strips, wherein the hair balls are provided with a plurality of hair balls which are respectively installed on the inner side wall of the arc-shaped strip and connected through electric welding, the buckling movable piece is arranged in the middle of the outer side wall of the arc-shaped strip and connected through electric welding, the arc-shaped strip is connected with the magnetic flux receiving mechanism through the buckling movable piece, the magnetic strips are provided with six hair balls which are respectively installed on two sides of one side, close to the arc-shaped strip, of the buckling movable piece in a group, the magnetic strips and the buckling movable piece are connected through electric welding and connected with the metal strips in an adsorption mode, and therefore dust on the surfaces of opposite surfaces where the three coils are placed can be cleaned conveniently, and the dust particles can be prevented from generating electric charge influence on the hair balls.
In a further aspect of the present invention, the hair bulb is made of a hard material and is attached to the coil, which is advantageous for cleaning dust adhered to the surface of the coil.
Advantageous effects of the invention
Compared with the traditional wound core dry-type transformer, the invention has the following beneficial effects:
the invention utilizes the arranged magnetic flux receiving mechanism to carry out magnetic flux leakage isolation among the three when the coil generates magnetic flux leakage so as to avoid mutual influence of electromagnetism generated by the magnetic flux leakage and enable the voltage in the coil to be unstable, thereby causing destructive damage to the periphery when the transformer is in a high-voltage leakage state.
The invention utilizes the airflow frame plate and the cleaning structure, realizes the high-efficiency heat dissipation on the surface of the coil through the circulation hole under the action of the principle that the pressure intensity of natural airflow is increased when the coil passes through a small hole under the condition that the coil does heat dissipation work, simultaneously, the mutual opposite surfaces of the three coils are arranged in a triangle shape, so that dust accumulation can be formed in a large area, and the dust of the part is cleaned under the action of the cleaning structure, so as to avoid the phenomenon of high voltage leakage caused by the increase of the voltage around the transformer when the magnetic leakage is caused by the mutual adsorption of the dust and electrons.
Drawings
Other features, objects and advantages of the invention will become more apparent from a reading of the detailed description of non-limiting embodiments with reference to the attached drawings.
In the drawings:
fig. 1 is a schematic structural diagram of a wound core dry-type transformer with magnetic leakage separation string prevention according to the present invention.
FIG. 2 is a plan view of a top structure of the magnetic engaging device of the present invention.
Fig. 3 is a front view structural view of the magnetic flux receiving mechanism of the present invention.
Fig. 4 is a top view structural view of the magnetic flux plate of the present invention.
FIG. 5 is a top view of the frame plate for ventilation according to the present invention.
FIG. 6 is a top view of the dust removing structure of the present invention
In the figure: the device comprises an installation base-1, a coil-2, a high-voltage tapping-3, a magnetic connecting device-4, a triangular upper clamping piece-5, a high-voltage terminal-6, a low-voltage terminal-7, a magnetic flux receiving mechanism-40, an airflow through frame plate-41, a dust cleaning structure-42, a buckle disc-401, a separating arc plate-402, a magnetic flux plate-403, a metal strip-404, a telescopic frame-403 a, an insulating particle-403 b, an air bag-403 c, a flow hole-41 a, an arc strip-420, a hair ball-421, a buckling movable piece-422 and a magnetic strip-423.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 6, the present invention provides a technical solution of a wound core dry-type transformer with leakage flux spaced anti-series:
as shown in fig. 1-2, the structure of the wound core dry-type transformer includes an installation base 1, a coil 2, a high voltage tap 3, a magnetic connection device 4, a triangular upper clamp 5, a high voltage terminal 6, and a low voltage terminal 7, the coil 2 is provided with three parts which are respectively in a triangular structure, installed on the upper surface of the installation base 1 and fixedly connected with the upper surface of the installation base by bolts, the high voltage tap 3 is installed on the outer surface of the coil 2 and connected with the coil 2 by electric welding, the magnetic connection device 4 is in a triangular structure and arranged at the adjacent position of the coil 2, the triangular upper clamp 5 is installed on the upper surface of the coil 2 and fixedly connected with the upper surface of the coil 2 by bolts, the high voltage terminal 6 is arranged on the left side of the triangular upper clamp 5 and electrically connected with the coil 2, the low voltage terminal 7 is arranged on the right side of the triangular upper clamp 5 and electrically connected with the coil 2, the magnetic connection device 4 includes a magnetic flux receiving mechanism 40, a magnetic flux receiving mechanism, and a magnetic connection device, Circulation of gas framed panel 41, dust cleaning structure 42, circulation of gas framed panel 41 is equipped with three altogether and is even equidistance dress respectively and installs in magnetic flux receiving mechanism 40 surface, circulation of gas framed panel 41 is connected through the electric welding with magnetic flux receiving mechanism 40, dust cleaning structure 42 is located circulation of gas framed panel 41 surface and one end and is connected with magnetic flux receiving mechanism 40.
As shown in fig. 3, magnetic flux receiving mechanism 40 is including detaining dish 401, separating arc board 402, magnetic flux board 403, metal strip 404, it is equipped with two altogether to detain dish 401, it is equipped with threely and is the installing that has the interval respectively and is connected through the lock between two knot dishes 401 to separate arc board 402 altogether, magnetic flux board 403 is located and is detained the dish 401 inside and be connected through the registrate, metal strip 404 is equipped with six altogether and is two liang of a set of left and right walls of installing respectively in separating arc board 402, metal strip 404 is connected and is connected with dust removal structure 42 through the electric welding with separating arc board 402, is favorable to realizing doing the omnidirectional isolation to the magnetic leakage and handles.
As shown in fig. 4, the magnetic flux pad 403 includes a telescopic frame 403a, an insulating particle 403b, and an air bag 403c, the insulating particle 403b is provided with a plurality of and is installed on the inner side wall of the telescopic frame 403a in the form of uniform equal distance, the insulating particle 403b is vertically connected with the telescopic frame 403a through electric welding, the air bag 403c is installed on the lower portion in the telescopic frame 403a and is connected through gluing, which is beneficial to realizing effective mutual isolation treatment of the coil 2 which is running and generates magnetic leakage while heat dissipation.
As shown in fig. 5, the inside of the air flow frame plate 41 is hollow, and a plurality of irregular flow holes 41a are formed on the surface thereof, and the flow holes 41a and the air flow frame plate 41 are integrated, thereby realizing the omnidirectional heat dissipation of the coil 2.
As shown in fig. 4-5, the telescopic frame 403a and the airflow frame plate 41 are both made of high-density metal, which is beneficial to isolating the leakage flux to avoid mutual influence.
As shown in fig. 6, dust cleaning structure 42 includes arc strip 420, pompon 421, lock loose piece 422, magnetic stripe 423, pompon 421 are equipped with a plurality ofly and install respectively in arc strip 420 inside wall and be connected through the electric welding, lock loose piece 422 is located arc strip 420 outside wall middle part and is connected through the electric welding, arc strip 420 is connected with magnetic flux receiving mechanism 40 through lock loose piece 422, magnetic stripe 423 is equipped with six altogether and is two liang of a set of installing respectively and leans on arc strip 420 one side both sides in lock loose piece 422, magnetic stripe 423 is connected through the electric welding with lock loose piece 422 and is connected with metal strip 404 absorption, is favorable to realizing cleaning the dust on the opposite face surface that three coil 2 placed to prevent that the dust granule from producing the electric charge influence to it.
As shown in fig. 6, the hair bulb 421 is made of a hard material and is attached to the coil 2, which is advantageous for cleaning dust adhering to the surface of the coil 2.
In summary, the magnetic flux plate 403 disposed on the magnetic flux receiving mechanism 40 isolates and protects the magnetic flux leakage of the coil 2 when the magnetic flux leakage occurs, so as to avoid the influence of the magnetic field, the air flow frame plate 41 has a plurality of flow holes 41a on the surface thereof, so as to achieve more effective heat dissipation of the coil 2 by using the principle that the pressure of the air flow is increased when the air flow passes through a small cavity, and effectively clean the dust covered on the opposite surfaces of the three under the action of the dust cleaning structure 42, so as to prevent the dust and the electrons from being combined to influence the magnetic field.
The specific realization principle is as follows: the magnetic connecting device 4 is placed in the gap between the three coils 2, the coil 2 generates heat when in operation, and when magnetic leakage occurs at the same time, cold air penetrates through the magnetic connecting device 4 from bottom to top to dissipate heat of the coil 2, the air bag 403c gradually moves the top of the air bag in a full state to the top after receiving the upward cold air, so that the electromagnetic field generated between the coils 2 is isolated by the insulating particles 403b to prevent the mutual serial compatibility of the magnetic fields, the phenomenon of unstable magnetic field is generated to influence the whole transformer circuit, the expansion frame 403a and the separation arc plate 402 are both made of high-density metal materials, when one of the three coils 2 generates the magnetic leakage phenomenon, the electromagnetic field can be isolated by the metal, the mutual serial fusion does not occur during the magnetic leakage, and a large amount of magnetic field energy is generated around the equipment, the magnetic flux plate 403 is placed inside the magnetic flux receiving mechanism 40, so that when the magnetic flux plate 403c moves upwards, the dust cleaning structure 42 movably fastened with the magnetic flux receiving mechanism 40 is pushed, the fastening movable piece 422 is placed at the opening at the adjacent position of the two arc separating plates 402 and is adsorbed and movable by the magnetic strip 423 and the metal strip 404 arranged on the inner side wall of the arc separating plate 402, so that the arc strip 420 moves upwards along with the magnetic flux plate 403 at the fastening movable piece 422, and the hair ball 421 arranged on the surface of the arc strip 420 is used for cleaning dust on the opposite surfaces of the three coils 2, thereby avoiding the phenomenon that the dust can be electrified, so that the dust is mutually adsorbed and combined with electrons generated around the coils 2, further the voltage in the whole equipment is unstable due to electromagnetic influence on the equipment, and a large amount of heat release phenomenon can be generated around the coils 2 when the equipment works, and the opposite surfaces are narrower because of the gap, so that the heat dissipation effect is not more than that of the external surface, therefore, the air flow frame plate 41 is in a hollow structure, the surface of the air flow frame plate is provided with a plurality of flow holes 41a, and the effective heat dissipation of the opposite surfaces of the coil 2 is realized by utilizing the principle that the pressure intensity generated by the air flow when the air flow passes through a small cavity is larger.
The invention solves the problem that in the prior art, because the dry type distribution transformer is mainly placed outdoors and the dry type transformer is usually placed outdoors to reduce the space and is usually in a wound iron core type and is placed in a triangle shape to reduce the stray magnetic field around the transformer, but because the dry type transformer is placed outdoors, the dry type transformer is influenced by the natural environment, the dry type transformer is easily covered by dust, and the dust and the electronic transaction form a mutual adsorption phenomenon, so that the magnetic field change is generated around the dry type transformer, and the wound iron core dry type transformer is placed in a triangle shape, when the magnetic leakage phenomenon is generated on the mutually opposite surfaces of the wound iron core dry type transformer, the magnetic fields are mutually disordered and stringed, so that the pressure instability phenomenon of the transformer is generated, and the destructive damage to the surrounding environment is seriously generated, the invention utilizes the arranged magnetic flux receiving mechanism to perform the magnetic leakage isolation among the three when the magnetic leakage is generated on the coil by mutually combining the components, the electromagnetic mutual influence to avoid the magnetic leakage to produce, make the voltage in the coil be unstable phenomenon thus make the transformer be in under the high-voltage leakage state, to leading to the fact destructive harm to week, utilize the air current framed panel and the clean structure that are equipped with, it utilizes natural air current to realize under the principle effect that its pressure increases when less hole is passed through to coil surface through the circulation hole high-efficient heat dissipation under the heat dissipation work condition is done to the coil, simultaneously because the three coil is triangle-shaped and arranges so its middle mutual oppositing face then can large tracts of land form the dust and pile up, clean the dust of this part in the effect of clean structure, thereby avoid because of the dust can adsorb each other with the electron, thereby increase the voltage that the transformer is being around and produce high-voltage leakage phenomenon when leading to the magnetic leakage.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (1)
1. The utility model provides a magnetic leakage is separated by and is prevented roll iron core dry-type transformer of cluster, its structure includes installation base (1), coil (2), high-pressure tapping (3), magnetism linking device (4), folder (5), high-voltage terminal (6), low-voltage terminal (7) on the triangle, its characterized in that: the coil (2) is provided with three coils which are respectively installed on the upper surface of the installation base (1) in a triangular structure and fixedly connected with each other through bolts, the high-voltage tapping (3) is installed on the outer surface of the coil (2) and connected with each other through electric welding, the magnetic connecting device (4) is arranged at the adjacent position of the coil (2) in a triangular structure, the triangular upper clamping piece (5) is installed on the upper surface of the coil (2) and fixedly connected with each other through bolts, the high-voltage terminal (6) is arranged on the left side of the triangular upper clamping piece (5) and electrically connected with the coil (2), and the low-voltage terminal (7) is arranged on the right side of the triangular upper clamping piece (5) and electrically connected with the coil (2);
the magnetic connecting device (4) comprises a magnetic flux receiving mechanism (40), an airflow through frame plate (41) and a dust cleaning structure (42), wherein the airflow through frame plate (41) is provided with three parts which are respectively installed on the outer surface of the magnetic flux receiving mechanism (40) at uniform equal intervals, the airflow through frame plate (41) is connected with the magnetic flux receiving mechanism (40) through electric welding, the dust cleaning structure (42) is arranged on the surface of the airflow through frame plate (41), one end of the dust cleaning structure is connected with the magnetic flux receiving mechanism (40), the magnetic flux receiving mechanism (40) comprises a buckle disc (401), a separation arc plate (402), a magnetic flux plate (403) and a metal strip (404), the buckle disc (401) is provided with two parts, the separation arc plate (402) is provided with three parts which are respectively arranged at intervals, is arranged between the two buckle discs (401) and is connected through buckling, the magnetic flux plate (403) is arranged inside the buckle disc (401) and is connected through sleeving, the metal strips (404) are provided with six strips in total and are arranged on the left wall and the right wall in the separating arc plate (402) in a group of two by two respectively, and the metal strips (404) are connected with the separating arc plate (402) through electric welding and are connected with the dust cleaning structure (42);
the magnetic flux plate (403) comprises a telescopic frame (403a), insulating particles (403b) and an air bag (403c), wherein the insulating particles (403b) are provided with a plurality of insulating particles which are uniformly and equidistantly arranged on the inner side wall of the telescopic frame (403a), the insulating particles (403b) are vertically connected with the telescopic frame (403a) through electric welding, and the air bag (403c) is arranged at the lower inner part of the telescopic frame (403a) and is connected with the telescopic frame (403a) through gluing;
the inside of the air circulation frame plate (41) is of a hollow structure, the surface of the air circulation frame plate is provided with a plurality of irregular circulation holes (41a), and the circulation holes (41a) and the air circulation frame plate (41) are of an integrated structure;
the magnetic connecting device (4) is arranged in the gap among the coil (2), the coil (2) generates heat when in operation, when magnetic leakage occurs at the same time, cold air penetrates through the magnetic connecting device (4) from bottom to top so as to radiate the coil (2), the top of the air bag (403c) is gradually moved upwards to the top in a full state after the air bag is subjected to the upward cold air, thereby isolating the electromagnetic fields generated by the coils (2) from each other by the insulating particles (403b), so as to avoid mutual series-walk compatibility of magnetic fields, so that the phenomenon of unstable magnetic field is generated to influence the whole transformer circuit, because the telescopic frame (403a) and the separating arc plate (402) are made of high-density metal materials, when one of the three coils (2) generates a magnetic leakage phenomenon, the electromagnetic phenomenon can be isolated by utilizing metal, so that mutual serial fusion does not occur during magnetic leakage;
the dust cleaning structure (42) movably buckled with the magnetic flux receiving mechanism (40) is pushed, and as the buckling movable piece (422) is arranged at the opening at the adjacent position of the two arc separating plates (402) and is adsorbed and movable by the magnetic strip (423) and the metal strip (404) arranged on the inner side wall of the arc separating plates (402), the arc strip (420) moves upwards along with the magnetic flux plates (403) at the buckling movable piece (422), and then the dust at the mutually opposite surfaces of the three coils (2) is cleaned by the hair balls (421) arranged on the surface of the arc strip (420);
the dust cleaning structure (42) comprises an arc strip (420), a hair bulb (421), a buckling movable piece (422) and a magnetic strip (423), the hair balls (421) are provided with a plurality of hair balls which are respectively arranged on the inner side walls of the arc-shaped strips (420) and are connected through electric welding, the buckling movable piece (422) is arranged in the middle of the outer side wall of the arc-shaped strip (420) and is connected with the arc-shaped strip through electric welding, the arc-shaped strip (420) is connected with the magnetic flux receiving mechanism (40) through a buckling movable piece (422), the magnetic strips (423) are provided with six magnetic strips which are respectively arranged on two sides of one side of the buckling movable piece (422) close to the arc-shaped strip (420) in a group of two by two, magnetic stripe (423) are connected and are connected with metal strip (404) absorption through the electric welding with lock loose piece (422), are favorable to realizing cleaning the dust on the opposite face surface that three coil (2) were placed to prevent that the dust particle from producing the electric charge influence to it.
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| CN102881413A (en) * | 2012-08-30 | 2013-01-16 | 万达集团股份有限公司 | Dry-type transformer with three-dimensional core |
| CN108447660A (en) * | 2017-02-16 | 2018-08-24 | 发那科株式会社 | Three-phase AC reactors and printing plate |
| CN106910607A (en) * | 2017-03-13 | 2017-06-30 | 保定天威电气设备结构有限公司 | A kind of oil tank of transformer cone-shaped flange endoporus pastes the structure and welding method of bit copper plate |
| CN108573797A (en) * | 2017-03-13 | 2018-09-25 | 发那科株式会社 | Reactor |
| CN109585125A (en) * | 2018-12-08 | 2019-04-05 | 湖南金鹤科技有限公司 | One kind can anti-lightning strike fire-retardant transformer |
| CN109510089A (en) * | 2018-12-19 | 2019-03-22 | 宁波凯勒电气有限公司 | A kind of outdoor power case that thermal energy circulates certainly |
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| CN110176348A (en) | 2019-08-27 |
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Effective date of registration: 20210723 Address after: 226600 No. 189, Xiaoxing Avenue, Chengdong Town, Hai'an City, Nantong City, Jiangsu Province Applicant after: JIANGSU BEICHEN HUBANG POWER Co.,Ltd. Address before: Shanxi Linyi Transformer Co., Ltd Applicant before: Xu Weiyang |
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