CN208538629U - A kind of new dry-type transformer - Google Patents

A kind of new dry-type transformer Download PDF

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Publication number
CN208538629U
CN208538629U CN201820977979.1U CN201820977979U CN208538629U CN 208538629 U CN208538629 U CN 208538629U CN 201820977979 U CN201820977979 U CN 201820977979U CN 208538629 U CN208538629 U CN 208538629U
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China
Prior art keywords
lower case
sealing plate
heat conductive
conductive insulating
type transformer
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Application number
CN201820977979.1U
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Chinese (zh)
Inventor
金炳炳
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Green Energy Power Technology Co Ltd
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Green Energy Power Technology Co Ltd
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Priority to CN201820977979.1U priority Critical patent/CN208538629U/en
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Abstract

The utility model provides a kind of new dry-type transformer, belong to field transformer, including lower case, upper housing, iron core, coil, support, fan, lower case is fixedly connected with support, upper housing is bolted to connection with lower case, fan is mounted in lower case, motor is connect with fan, cooling fin is all arranged in upper housing and lower casing external surface, thermally conductive sheet is all arranged in upper housing and lower case inner surface, gap between thermally conductive sheet forms ventilation slot, iron core is mounted in interior heat conductive insulating pipe, coil is wrapped on outer heat conductive insulating pipe, coil windings are loose coupling.The utility model structure is simple, takes away the heat of iron core generation when transformer works by fan exhaust, while thermally conductive sheet conducts heat, cooling fin radiates, and radiating efficiency is good, and iron core is mounted in heat conductive insulating casing, convenient for heat dissipation, stable structure improves working efficiency.

Description

A kind of new dry-type transformer
Technical field
The utility model relates to a kind of transformer, specifically a kind of new dry-type transformer.
Background technique
Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, and main member is primary coil, secondary Grade coil and iron core.Major function has: voltage transformation, current transformation, impedance transformation, isolation, pressure stabilizing.By the type of cooling point:
Dry-type transformer and oil-immersed transformer, dry-type transformer are that natural cooling or increase wind are carried out by cross-ventilation Machine is cooling, is chiefly used in the small capacity transformers such as skyscraper, the electricity consumption of high speed toll station and local lighting, electronic circuit.
Dry-type transformer needs continual work for a long time, can generate a large amount of heat, prolonged high temperature can be to change Depressor inner part causes to be lost, serious to generate safety accident, therefore the heat dissipation of transformer is particularly significant.Traditional dry type becomes Depressor heat dissipation effect has much room for improvement, and the long-time condition of high temperature will affect transformer working efficiency.
Utility model content
In view of the above shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a kind of heat dissipation effects Good, safe and efficient new dry-type transformer.
In order to solve the above technical problems, the utility model provides following technical solution:
A kind of new dry-type transformer, including lower case, upper housing, iron core, coil, support, fan;The lower case with Support is fixedly connected, and support mounting hole is arranged on support;The upper housing is fixedly connected with lower case by the first bolt, lower casing Bolt hole is set on body, and the first bolt is mounted in bolt hole, and fan is mounted on the right side of lower case, and motor is connect with fan;Institute It states coil to be wrapped on outer heat conductive insulating pipe, iron core is mounted in interior heat conductive insulating pipe, interior heat conductive insulating pipe and outer heat conductive insulating Heat conductive insulating casting glue is filled between pipe, upper sealing plate, lower sealing plate is respectively set in outer heat conductive insulating pipe upper/lower terminal.
As the further improvement project of the utility model: cooling fin is all arranged in the upper housing and lower casing external surface.
As the further improvement project of the utility model: thermally conductive sheet is all arranged in upper housing and lower case inner surface, thermally conductive Gap between piece forms ventilation slot.
As the further improvement project of the utility model: the interior heat conductive insulating pipe, outer heat conductive insulating pipe, upper sealing plate, Lower sealing plate material is ceramics.
As the further improvement project of the utility model: the iron core material is FERRITE CORE.
As the further improvement project of the utility model: the coil includes primary coil and secondary coil, coil around Group is loose coupling.
As the further improvement project of the utility model: sealing plate before the lower case front is arranged, pressing plate will be outer thermally conductive Insulation tube is fixed on connection pedestal, and connection pedestal is fixedly connected with lower case, and pressing plate passes through the second bolt company with pedestal is connect It connects, sealing plate after the setting of lower case rear portion, preceding sealing plate and rear sealing plate are equipped with dust excluding plate.
As the utility model further improvement project: preceding sealing plate is consistent with rear sealing plate shape, size, preceding sealing plate with Ventilation hole, mounting hole are all set on sealing plate afterwards.
Compared with prior art, the utility model has the beneficial effects that
The utility model structure is simple, ceramic good insulation preformance, reduces core loss, is dissipated by fan and cooling fin Heat, quickly, loose coupling winding performance is stablized, safe and efficient for heat dissipation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of new dry-type transformer;
Fig. 2 is the loop construction schematic diagram in a kind of new dry-type transformer;
Fig. 3 is a kind of inside top figure of new dry-type transformer;
Fig. 4 is the iron core scheme of installation in a kind of new dry-type transformer;
Fig. 5 is the preceding sealing plate and rear closing plate structure schematic diagram in a kind of new dry-type transformer;
In figure: 1- lower case, 2- upper housing, 3- iron core, 4- coil, 5- support, 6- cooling fin, 7- thermally conductive sheet, 8- ventilation The outer heat conductive insulating pipe of slot, 9-, 10- heat conductive insulating casting glue, heat conductive insulating pipe, the first bolt of 12-, the installation of 13- support in 11- Sealing plate before sealing plate, 18- under hole, 14- upper sealing plate, 15- primary coil, 16- secondary coil, 17-, 19- dust excluding plate, 20- pressing plate, Sealing plate, 24- motor, 25- bolt hole, 26- connection pedestal, 27- ventilation hole, 28- installation after the second bolt of 21-, 22- fan, 23- Hole.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
The embodiment of this patent is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and is only used for explaining this patent, and cannot be understood as a limitation of this patent.
In the description of this patent, it is to be understood that term " center ", "upper", "lower", "front", "rear", " left side ", The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure Orientation or positional relationship, be merely for convenience of description this patent and simplify description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to this patent.
In the description of this patent, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection ", " setting " shall be understood in a broad sense, for example, it may be being fixedly linked, being arranged, may be a detachable connection, set It sets, or is integrally connected, is arranged.For the ordinary skill in the art, above-mentioned art can be understood as the case may be The concrete meaning of language in this patent.
Referring to Fig. 1, present embodiments provide a kind of new dry-type transformer, including lower case 1, upper housing 2, iron core 3, Coil 4, support 5, fan 22;The lower case 1 is fixedly connected with support 5, and support mounting hole 13 is arranged on support 5;On described Shell 2 is fixedly connected with lower case 1 by the first bolt 12, and cooling fin 6, upper casing is all arranged in upper housing 2 and 1 outer surface of lower case Thermally conductive sheet 7 is all arranged in body 2 and 1 inner surface of lower case, and the gap between thermally conductive sheet 7 forms ventilation slot 8, and ventilation slot 8 is for divulging information Heat dissipation;The coil 4 is wrapped on outer heat conductive insulating pipe 9, and iron core 3 is mounted in interior heat conductive insulating pipe 11, and 3 material of iron core is iron Ferrite core fills heat conductive insulating casting glue 10, interior heat conductive insulating pipe 11 between interior heat conductive insulating pipe 11 and outer heat conductive insulating pipe 9 It is ceramics with outer 9 material of heat conductive insulating pipe, ceramic insulation is good, high temperature resistant, good heat conductivity;
Referring to Fig. 2, the coil 4 includes primary coil 15 and secondary coil 16 in the present embodiment, 4 winding of coil is Upper sealing plate 14, lower sealing plate 17, upper sealing plate 14,17 material of lower sealing plate is respectively set in loose coupling, outer 9 upper/lower terminal of heat conductive insulating pipe For ceramics;
Please refer to Fig. 3-4, in the present embodiment, sealing plate 18 before 1 front of lower case is arranged, pressing plate 20 is by outer heat conductive insulating Pipe 9 is fixed on connection pedestal 26, and connection pedestal 26 is fixedly connected with lower case 1, and pressing plate 20 passes through second with pedestal 26 is connect Bolt 21 connects, and fan 22 is arranged on the right side of outer heat conductive insulating pipe 9, and motor 24 is connect with fan 22, seals after the setting of 1 rear portion of lower case Plate 23, preceding sealing plate 18 are equipped with dust excluding plate 19 with rear sealing plate 23, bolt hole 25 are arranged in lower case 1;
Referring to Fig. 5, preceding sealing plate 18 is consistent with rear 23 shape of sealing plate, size in the present embodiment, preceding sealing plate 18 and rear sealing plate Ventilation hole 27, mounting hole 28 are all set on 23, and mounting hole 28 is connect for preceding sealing plate 18 with rear sealing plate 23 with lower case 1.
The working principle of the utility model is:
When the utility model is used, when being connected with alternating current in primary coil, exchange flux is just generated in iron core, according to Electromagnetic induction principle induces voltage or electric current in secondary coil.Iron core is taken away by fan exhaust when transformer works to generate Heat, while thermally conductive sheet conducts heat, and cooling fin radiates, and radiating efficiency is good, and iron core is mounted in heat conductive insulating casing, Convenient for heat dissipation, stable structure improves working efficiency.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective It makes a variety of changes.

Claims (8)

1. a kind of new dry-type transformer, including lower case (1), upper housing (2), iron core (3), coil (4), support (5), fan (22), characterized in that the lower case (1) is fixedly connected with support (5), and support mounting hole (13) are arranged on support (5);It is described Upper housing (2) is fixedly connected with lower case (1) by the first bolt (12), bolt hole (25) is arranged in lower case (1), the first spiral shell Bolt (12) is mounted in bolt hole (25), and fan (22) is mounted on the right side of lower case (1), and motor (24) is connect with fan (22); The coil (4) is wrapped on outer heat conductive insulating pipe (9), and iron core (3) is mounted in interior heat conductive insulating pipe (11), interior heat conductive insulating It manages and fills heat conductive insulating casting glue (10) between (11) and outer heat conductive insulating pipe (9), outer heat conductive insulating pipe (9) upper/lower terminal point It She Zhi not upper sealing plate (14), lower sealing plate (17).
2. a kind of new dry-type transformer according to claim 1, characterized in that the upper housing (2) and lower case (1) Cooling fin (6) are all arranged in outer surface.
3. a kind of new dry-type transformer according to claim 1, characterized in that upper housing (2) and lower case (1) interior table Face is all arranged thermally conductive sheet (7), and the gap between thermally conductive sheet (7) forms ventilation slot (8).
4. a kind of new dry-type transformer according to claim 1, characterized in that the interior heat conductive insulating pipe (11), outer Heat conductive insulating pipe (9), upper sealing plate (14), lower sealing plate (17) material are ceramics.
5. a kind of new dry-type transformer according to claim 1, characterized in that iron core (3) material is ferrite Magnetic core.
6. a kind of new dry-type transformer according to claim 1, characterized in that the coil (4) includes primary coil (15) and secondary coil (16), coil (4) winding are loose coupling.
7. a kind of new dry-type transformer according to claim 1, characterized in that before lower case (1) the front setting Outer heat conductive insulating pipe (9) is fixed in connection pedestal (26) by sealing plate (18), pressing plate (20), connects pedestal (26) and lower case (1) be fixedly connected, pressing plate (20) with connect pedestal (26) by the second bolt (21) connect, lower case (1) rear portion setting after seal Plate (23), preceding sealing plate (18) and rear sealing plate (23) are furnished with dust excluding plate (19).
8. a kind of new dry-type transformer according to claim 7, characterized in that the preceding sealing plate (18) and rear sealing plate (23) shape, size are consistent, and ventilation hole (27), mounting hole (28) is all arranged on preceding sealing plate (18) and rear sealing plate (23).
CN201820977979.1U 2018-06-25 2018-06-25 A kind of new dry-type transformer Active CN208538629U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820977979.1U CN208538629U (en) 2018-06-25 2018-06-25 A kind of new dry-type transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820977979.1U CN208538629U (en) 2018-06-25 2018-06-25 A kind of new dry-type transformer

Publications (1)

Publication Number Publication Date
CN208538629U true CN208538629U (en) 2019-02-22

Family

ID=65392932

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820977979.1U Active CN208538629U (en) 2018-06-25 2018-06-25 A kind of new dry-type transformer

Country Status (1)

Country Link
CN (1) CN208538629U (en)

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