CN110189893A - A kind of dry-type transformer - Google Patents

A kind of dry-type transformer Download PDF

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Publication number
CN110189893A
CN110189893A CN201910519329.1A CN201910519329A CN110189893A CN 110189893 A CN110189893 A CN 110189893A CN 201910519329 A CN201910519329 A CN 201910519329A CN 110189893 A CN110189893 A CN 110189893A
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CN
China
Prior art keywords
housing
dry
bottom plate
strut
blower
Prior art date
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Granted
Application number
CN201910519329.1A
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Chinese (zh)
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CN110189893B (en
Inventor
陈国光
李旭生
苏剑锋
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Guangzhou High Speed Rail Measurement And Measurement Ltd By Share Ltd
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Guangzhou High Speed Rail Measurement And Measurement Ltd By Share Ltd
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Priority to CN201910519329.1A priority Critical patent/CN110189893B/en
Publication of CN110189893A publication Critical patent/CN110189893A/en
Application granted granted Critical
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • H01F27/025Constructional details relating to cooling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/06Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/085Cooling by ambient air
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/22Cooling by heat conduction through solid or powdered fillings

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformer Cooling (AREA)

Abstract

The present invention discloses a kind of dry-type transformer, including transformer body, housing, bottom plate, blower, the transformer body is encapsulated by multiple groups and is formed around group pattern, and the bottom of transformer body is provided with strut, every group of encapsulating winding is connected with each other by the strut, the strut be it is arranged in a crossed manner, through there is the first threaded hole on the strut;Transformer body is integrally placed in the cavity of housing, and bottom by with bottom plate stationary positioned, simultaneously because pass through setting of the blower in housing.Whole device realization radiates to transformer body, while the graphite material protrusion of housing side, the heat that housing sheds quickly is spread, the protrusion of array distribution can also reduce in air larger dust and enter encloser inner wall by venthole.

Description

A kind of dry-type transformer
Technical field
The invention belongs to technical field of transformer equipment, and in particular to a kind of dry-type transformer.
Background technique
Dry-type transformer mainly by silicon steel sheet group at iron core and the coil of poured with epoxy resin form, high-voltage coil and low-voltage coil it Between place insulating cylinder and increase electric insulation, and supported by cushion block and about wire bushing, overlapped that fastener has is locking for components Performance.It is widely used in local lighting, skyscraper, airport, the places such as harbour CNC mechanical equipment.Currently, urban and rural power grids construction step Acceleration is cut down, China's generated energy and electricity consumption are growing day by day.Typically, every generated energy for increasing 1kW, needs to increase 11kVA's Transformer total capacity.It is estimated that dry-type distribution transformer accounts for about the 1/5-1/4 of whole distribution transformers.It is invested by power grid construction Pulling, the transformer industry degree of prosperity is higher, after 2010 yield by keep 20% or so speedup.
Since dry-type transformer has, anti-short circuit capability is strong, maintenance workload is small, operational efficiency is high, small in size, low noise The advantages that, it is usually used in the high place of performance requirements such as fire prevention, explosion-proof.Simultaneously because the overall structure of dry-type transformer is more smart Close, temperature when for using has stringent control requirement, in present use process, will usually because temperature is excessively high and Failure is generated to stop working.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of dry-type transformer, the prior art is solved In the technical issues of generating failure there are when dry-type transformer work, temperature is excessively high.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of dry-type transformer, including transformer body, housing, bottom plate, blower, the transformer body are encapsulated by multiple groups It being formed around group pattern, and the bottom of transformer body is provided with strut, every group of encapsulating winding is connected with each other by the strut, and And the strut be it is arranged in a crossed manner, through there is the first threaded hole on the strut;
The bottom of housing be open cavity body structure, and the two sides outer wall of housing be symmetrically arranged with it is outwardly projecting convex Edge, along the two sides outer wall array distribution of housing, the outer wall where the convex edge and housing two sides is distributed with logical for the convex edge Stomata, venthole and internal cavity on the housing outer wall are interconnected, the two sides of the bottom edge of housing described in the housing The array direction of convex edge be symmetrically arranged with limiting slot;
The surface of the bottom plate is provided through the second threaded hole, and symmetrical card is provided in the two sides of bottom plate Item, the strip are fixed with the limiting slot, and the bottom of the housing is integrally completely covered in the bottom plate:
Second threaded hole of the first threaded hole and backplate surface in the transformer body bottom node is tight by bolt Gu the transformer body is integrally placed in the cavity of housing;
The blower is arranged at the top of the cavity body structure of the housing.
Further, the upper surface where the limiting slot is evenly distributed with clamping screw, and the clamping screw passes through simultaneously The bottom of housing and the second threaded hole of backplate surface are worn, the clamping screw is the spiral shell that both ends diameter is greater than mid diameter Bolt shape structure.
Further, the protrusion is graphite material, and is integrally formed with housing two sides outer wall.
Further, the blower includes fan housing and the air blade that outer housing bottom is arranged in, and the fan housing is integrally in Showing circular configuration and middle part is cavity, and the outer wall where the fan housing is set as engraved structure.
Further, electric power connection line is provided at the top of the blower, and electric power connection line is through the housing Top.
Further, the fan housing where the blower is fixedly connected at the top of the cavity body structure of the housing.
Beneficial effects of the present invention:
1, the present apparatus by setting of the blower in housing, it can be achieved that radiate to transformer body, while housing side The graphite material protrusion on side, the heat that housing sheds quickly is spread, and the protrusion of array distribution can also reduce larger in air Dust enters encloser inner wall by venthole.
2, the present apparatus is by the cavity surrounded by housing, bottom plate, realizing the complete the cover of transformer body to entirety Protection, the second bolt hole on bottom plate improves the fastness connecting with transformer body.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, those of ordinary skill in the art are come It says, without creative efforts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure diagram of the embodiment of the present invention;
Fig. 2 is the side structure schematic diagram of the embodiment of the present invention;
Fig. 3 is the transformer body structural schematic diagram of the embodiment of the present invention;
Fig. 4 is the schematic diagram of internal structure of the housing of the embodiment of the present invention;
Fig. 5 is the normal section structural schematic diagram of the embodiment of the present invention;
Fig. 6 is the structural diagram of base plate of the embodiment of the present invention;
Fig. 7 is the blower fan structure schematic diagram of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, Figure 2, Figure 3 shows, the embodiment of the present invention provides a kind of dry-type transformer, including transformer body 1, housing 2, bottom plate 3, blower 4, transformer body 1, which is encapsulated to form around group pattern by multiple groups, is typically chosen 3 group patterns, and in transformer body 1 bottom is provided with strut 11, and strut 11 interconnects every group of encapsulating winding, and strut 11 be it is arranged in a crossed manner, Strut 11 is set integrally to be enough to support transformer body 1, running through on strut 11 has the first threaded hole 101.
As shown in Figure 4,5, the bottom of housing 2 is open cavity body structure, and the two sides outer wall of housing 2 is symmetrically arranged with Outwardly projecting convex edge 21, protrusion 21 be graphite material, with 2 two sides outer wall of housing be integrally formed and along the two sides of housing 2 outside Venthole 201, the venthole on 2 outer wall of housing is distributed in wall array distribution, the outer wall where 2 two sides of convex edge 21 and housing 201 are interconnected with internal cavity, and the two sides of the bottom of 2 housing 2 of housing are symmetrical arranged limited along the array direction of convex edge 21 Position slot 22.
As shown in fig. 6, the surface of bottom plate 3 is provided through the second threaded hole 301, and it is provided with mutually in the two sides of bottom plate Symmetrical strip 31, strip 31 are fixed with limiting slot 22, and the whole bottom that housing 2 is completely covered of bottom plate 3, while second Threaded hole 301 can also play the effect of ventilation and heat.
Second threaded hole 301 of the first threaded hole 101 and 3 surface of bottom plate in 1 bottom node 11 of transformer body passes through Bolt fastening, and the second threaded hole 301 is to be uniformly arranged, it is appropriate to adjust the first threaded hole 101 and the second spiral shell according to position needs Link position relationship between pit 301, transformer body 1 are integrally placed in the cavity of housing 2, prevent bottom plate 3 from sending out when fixed It is raw to shake.
Upper surface where limiting slot 22 is evenly distributed with clamping screw 221, and clamping screw 221 is simultaneously through housing 2 Second threaded hole 301 on 3 surface of bottom and bottom plate, clamping screw 221 are the bolt shape that both ends diameter is greater than mid diameter Structure can effectively realize being fixedly connected between bottom plate 3 and housing 2.
As shown in fig. 7, blower 4 includes fan housing 41 and the air blade 42 that 41 bottom of outer housing is arranged in, fan housing 41 is whole Circular configuration is presented and middle part is cavity, the outer wall where fan housing 41 is set as engraved structure, and fan housing 41 is fixedly connected on housing 2 Cavity body structure at the top of.The top of blower 4 provides powered operation by electric power connection line, and electric power connection line runs through housing 2 Top be connected to external power supply.
In use, blower 4 can effectively realize the cavity inner air flow of housing 2, avoid local temperature excessively high to transformer It is damaged caused by ontology 1.It is interconnected and can effectively radiate with internal cavity by the venthole 201 on 2 outer wall of housing simultaneously, And the protrusion 21 of array distribution can be realized and can effectively absorb the hot gas to shed by 2 outer wall upper vent hole 201 of housing and reach To the purpose of fast cooling, and more dense distribution between protrusion 21, and it is adjacent between protrusion 21 on be also equipped with ventilation Hole 201 can adhere to external dust, avoid passing through 2 outer wall of housing and enter inside, cause the damage to transformer body 1.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example. Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close Suitable mode combines.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.

Claims (6)

1. a kind of dry-type transformer, including transformer body (1), housing (2), bottom plate (3), blower (4), which is characterized in that institute It states transformer body (1) and is formed by multiple groups encapsulating around group pattern, and the bottom of transformer body (1) is provided with strut (11), Every group of encapsulating winding is connected with each other by the strut (11), and the strut (11) be it is arranged in a crossed manner, on the strut (11) Through there is the first threaded hole (101):
The bottom of housing (2) be open cavity body structure, and the two sides outer wall of housing (2) be symmetrically arranged with it is outwardly projecting convex Along (21), two sides outer wall array distribution of the convex edge (21) along housing (2), the convex edge (21) and housing (2) two sides The outer wall at place is distributed with venthole (201), and the venthole (201) on housing (2) outer wall is mutually interconnected with internal cavity Logical, the two sides of the bottom of the housing (2) housing (2) are symmetrically arranged with limiting slot along the array direction of convex edge (21) (22);
The surface of the bottom plate (3) is provided through the second threaded hole (301), and is provided in the two sides of bottom plate symmetrical Strip (31), the strip (31) are fixed with the limiting slot (22), and the cover is integrally completely covered in the bottom plate (3) The bottom of shell (2);
Second threaded hole of the first threaded hole (101) and bottom plate (3) surface on transformer body (1) bottom node (11) (301) it is fastened by bolts, the transformer body (1) is integrally placed in the cavity of housing (2);
Blower (4) setting is at the top of the cavity body structure of the housing (2).
2. dry-type transformer according to claim 1, which is characterized in that the upper surface where the limiting slot (22) is uniform Be distributed with clamping screw (221), the clamping screw (221) simultaneously through housing (2) bottom and bottom plate (3) surface the Two threaded holes (301), the clamping screw (221) are the bolt shape structure that both ends diameter is greater than mid diameter.
3. dry-type transformer according to claim 1, which is characterized in that it is described protrusion (21) be graphite material, and with institute State the integrated molding of housing (2) two sides outer wall.
4. dry-type transformer according to claim 1, which is characterized in that the blower (4) includes fan housing (41), Yi Jishe The air blade (42) in outer housing (41) bottom is set, circular configuration is integrally presented in the fan housing (41) and middle part is cavity, described Outer wall where fan housing (41) is set as engraved structure.
5. dry-type transformer according to claim 4, which is characterized in that be provided with power supply company at the top of the blower (4) Wiring, and electric power connection line runs through the top of the housing (2).
6. dry-type transformer according to claim 4, which is characterized in that the fan housing (41) where the blower (4) is fixed It is connected at the top of the cavity body structure of the housing (2).
CN201910519329.1A 2019-06-15 2019-06-15 Dry-type transformer Active CN110189893B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910519329.1A CN110189893B (en) 2019-06-15 2019-06-15 Dry-type transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910519329.1A CN110189893B (en) 2019-06-15 2019-06-15 Dry-type transformer

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CN110189893A true CN110189893A (en) 2019-08-30
CN110189893B CN110189893B (en) 2021-07-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112614658A (en) * 2020-12-10 2021-04-06 无锡市惠利特种电源有限公司 Transformer cooling device
CN116190051A (en) * 2023-04-23 2023-05-30 保定中亿电气集团有限公司 Integrated heat dissipation type dry-type transformer

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205862923U (en) * 2016-06-17 2017-01-04 河南大仑电子科技有限公司 A kind of waterproof miniature transformer
CN107731463A (en) * 2017-11-14 2018-02-23 庄清梅 A kind of high frequency transformer be easy to repair and radiated
US9961806B2 (en) * 2016-05-19 2018-05-01 Power Distribution Systems Development LLC Systems and methods for transformer cooling by vertical airflow
CN108470619A (en) * 2018-06-22 2018-08-31 江苏精海变压器有限公司 A kind of protective hood for transformer
CN208027847U (en) * 2018-01-16 2018-10-30 荣尔电气股份有限公司 A kind of novel transmission & distribution piezoelectric transformer
CN109102990A (en) * 2018-07-14 2018-12-28 柏焕玉 A kind of tranformer protection type radiator
CN208970289U (en) * 2018-10-30 2019-06-11 四川盛鑫源电器设备制造有限公司 A kind of miniature transformer cabinet

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9961806B2 (en) * 2016-05-19 2018-05-01 Power Distribution Systems Development LLC Systems and methods for transformer cooling by vertical airflow
CN205862923U (en) * 2016-06-17 2017-01-04 河南大仑电子科技有限公司 A kind of waterproof miniature transformer
CN107731463A (en) * 2017-11-14 2018-02-23 庄清梅 A kind of high frequency transformer be easy to repair and radiated
CN208027847U (en) * 2018-01-16 2018-10-30 荣尔电气股份有限公司 A kind of novel transmission & distribution piezoelectric transformer
CN108470619A (en) * 2018-06-22 2018-08-31 江苏精海变压器有限公司 A kind of protective hood for transformer
CN109102990A (en) * 2018-07-14 2018-12-28 柏焕玉 A kind of tranformer protection type radiator
CN208970289U (en) * 2018-10-30 2019-06-11 四川盛鑫源电器设备制造有限公司 A kind of miniature transformer cabinet

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112614658A (en) * 2020-12-10 2021-04-06 无锡市惠利特种电源有限公司 Transformer cooling device
CN112614658B (en) * 2020-12-10 2022-06-24 无锡市惠利特种电源有限公司 Transformer cooling device
CN116190051A (en) * 2023-04-23 2023-05-30 保定中亿电气集团有限公司 Integrated heat dissipation type dry-type transformer

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