CN210837344U - High-capacity lightning-resistant high-frequency transformer - Google Patents

High-capacity lightning-resistant high-frequency transformer Download PDF

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Publication number
CN210837344U
CN210837344U CN201922449489.1U CN201922449489U CN210837344U CN 210837344 U CN210837344 U CN 210837344U CN 201922449489 U CN201922449489 U CN 201922449489U CN 210837344 U CN210837344 U CN 210837344U
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China
Prior art keywords
lightning
cabinet body
frequency transformer
shell
resistant
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CN201922449489.1U
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Chinese (zh)
Inventor
黄蓉
孙光强
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Mianyang Leici Electronic Technology Co ltd
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Mianyang Leici Electronic Technology Co ltd
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Abstract

The utility model discloses a high-capacity lightning-resistant high-frequency transformer, which comprises a lightning-resistant cabinet body and a high-frequency transformer arranged in the lightning-resistant cabinet body; the high-frequency transformer comprises a shell and a plurality of coil assemblies arranged in the shell; the shell comprises an inner shell and an insulating outer shell matched with the inner shell; the lightning strike resistant body is configured as a metal frame comprising a frame structure; wherein, a ferrite layer is adhered on the side wall of the inner shell; and a ceramic interlayer is arranged between the shell and the lightning resistant cabinet body. The utility model provides an anti thunder high frequency transformer of large capacity, it can be through carrying out the structural design of frame-type to the anti thunder cabinet body for it can be connected with pre-buried leading electrical pillar of going into the ground after the installation, combines the cabinet body strengthening rib that sets up on the cabinet body, in order to guide in the electric main part into the ground in the twinkling of an eye after electrically conductive, and then carries out anti thunder protection to the internal plant.

Description

High-capacity lightning-resistant high-frequency transformer
Technical Field
The utility model relates to a transformer, particularly, the utility model relates to an anti thunder high frequency vary voltage of large capacity for use under transformer substation or other high voltage power transmission circumstances.
Background
The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core (magnetic core), and the transformer has the main functions of: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like.
For the transformer applied in the transformer substation or other high voltage power transmission occasions, because the transformation power is larger, and the transformer is usually installed in the open environment, the lightning protection measure needs to be made to ensure the service life of the transformer, and the anti-thunder characteristic of the transformer is realized through various technologies in the prior art, for example, the patent application number is CN201620212948.8, the patent name is a utility model of a large-capacity anti-thunder high frequency transformer, the lightning can be introduced into the ground through the conductive shell by arranging an insulating pad and a conductive shell, the conductive shell is isolated from the transformer through the insulating pad, the lightning is prevented from being introduced into the transformer, the burning of the transformer and the safety accident are avoided, the safety of the surrounding people is ensured, the whole device has simple structure, reasonable design and wide applicability, but the conductive grounding is realized only through a conductive wire, when the lightning arrives, often, the insulation device is broken down instantaneously due to untimely conductive effect, electricity is introduced into the transformer, internal equipment is burnt instantaneously, and an ideal anti-thunder effect cannot be achieved.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.
The utility model discloses still another purpose provides an anti thunder high frequency transformer of large capacity, it can be through carrying out the structural design of frame-type to the anti thunder cabinet body, make it can be connected with the pre-buried conductive pillar of going into the ground after the installation, the cabinet body strengthening rib that sets up on the combination cabinet body, in order to be leading-in to the ground with the electricity major part in the twinkling of an eye after electrically conductive, and then resist the thunder protection to the internal plant, simultaneously through the ceramic isolation layer that sets up between the anti thunder cabinet body and casing, and the insulating layer in the casing outside, the inboard ferrite layer of casing, make its electric power that does not in time lead to the ground can not cause the influence to high frequency transformer instantaneously, and after instantaneous, through leading electrical pillar direct access ground, have higher safety protection coefficient.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a high-capacity lightning-resistant high-frequency transformer, including a lightning-resistant cabinet body, and a high-frequency transformer disposed therein;
the high-frequency transformer is configured to include a housing for encapsulation, and a plurality of coil assemblies provided therein to realize step-by-step voltage transformation;
the housing is configured to include: the insulating shell is matched with the inner shell;
the lightning protection cabinet body is configured to comprise a metal frame of a frame structure and a plurality of panels which are matched with the metal frame to encapsulate a high-frequency transformer;
wherein, a ferrite layer is adhered on the side wall of the inner shell;
at least one group of opposite side beams in each surface of the metal frame is provided with a rib with a wedge-shaped structure, each panel is provided with a limiting groove matched with the rib, and the panel is provided with a plurality of reinforced conductive ribs;
the bottom surface of the metal frame is provided with at least four conductive seats which extend out of the bottom surface and are matched with the embedded earth conductive columns;
the end part of the conductive seat is configured to be a mounting end with a conical structure, and a mounting groove matched with the mounting end is formed in the conductive column;
and a ceramic interlayer is arranged between the shell and the lightning resistant cabinet body.
Preferably, a plurality of ceramic posts are arranged on the ceramic interlayer at the positions matched with the bottom of the shell;
the bottom of the shell is provided with a fixed groove at the position matched with each ceramic column;
the ceramic interlayer is provided with at least one fan, the bottom of the shell is provided with an air inlet at the position matched with each fan, and the top and/or the side of the shell are/is provided with matched heat dissipation windows;
the bottom of the anti-thunder cabinet body is provided with a plurality of grille cooling openings matched with the cooling windows.
Preferably, each coil assembly is configured to include: the coil comprises an iron core obtained by laminating silicon steel sheets, and a primary coil and a secondary coil which are arranged on the iron core;
wherein each core is configured to be connected to the ferrite layer by contact.
Preferably, a lightning rod is arranged at the bottom of the lightning resistant cabinet body;
at least one grounding conductive wire is arranged at the bottom of the lightning resistant cabinet body.
Preferably, adjacent conductive sockets are connected by a matched fixing beam.
The utility model discloses at least, include following beneficial effect: one of the two, the utility model discloses an antagonism thunder cabinet body carries out the structural design of frame-type, make it can be connected with the pre-buried conductive pillar that goes into the ground after the installation, combine the cabinet body strengthening rib that sets up on the cabinet body, in order to lead to the electricity in the twinkling of an eye to the ground in electrically conductive back, and then carry out anti thunder protection to the internal plant, simultaneously through the ceramic isolation layer that sets up between the anti thunder cabinet body and casing, and the insulating layer in the casing outside, the inboard ferrite layer of casing, make its electric power that does not in time lead to the ground can not lead to the fact the influence to high frequency transformer instantaneously, and after transient, through leading electrical pillar direct access ground, higher safety protection coefficient has, it is for prior art, its anti thunder effect can effectively promote more than 35%.
And secondly, the utility model discloses an at the inside ferrite layer that sets up and the iron core contact of casing for each iron core forms the electromagnetism closed loop in the space, and the electromagnetic induction magnetic field is better, more is favorable to high frequency transformer's operation, is having partial electric power to get into simultaneously, because the magnetic conduction non-conducting characteristic on ferrite layer protects the equipment coil, has better security.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a high-capacity lightning-resistant high-frequency transformer in an embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
It should be noted that in the description of the present invention, the terms indicating the orientation or the positional relationship are based on the orientation or the positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Fig. 1 shows a high-capacity lightning-resistant high-frequency transformer implementation form according to the present invention, which includes a lightning-resistant cabinet 1 and a high-frequency transformer 2 disposed therein;
the high-frequency transformer is configured to comprise a casing 210 for packaging and a plurality of coil assemblies 220 arranged in the casing to realize step-by-step voltage transformation, wherein the coil assemblies are packaged by the casing, and are spaced from the lightning-resistant cabinet body in space so as to ensure that the lightning-resistant cabinet body does not influence the work of the coil assemblies when in work;
the housing is configured to include: the inner shell 211 and the insulating outer shell 212 matched with the inner shell enable the electric power of the lightning-resistant cabinet body in operation not to be conducted to the coil assembly through the design of the insulating outer shell, and lightning-resistant protection is carried out on the lightning-resistant cabinet body;
the mine-resistant cabinet body is configured to include a metal frame 110 of a frame structure, the metal frame is designed to have certain weight and volume, the structural stability of the equipment in an open place is guaranteed, meanwhile, the received power can be rapidly transmitted downwards like conductive steel bars in the frame structure in a house, and the mine-resistant cabinet body is matched with a plurality of panels 120 for packaging the interior of the equipment to carry out daily anti-theft protection on the equipment;
the ferrite layer 213 is adhered to the side wall of the inner shell, so that partial electric power enters the inner shell, and the equipment coil is protected by virtue of the magnetic conduction and non-conduction characteristics of the ferrite layer, so that the inner shell has better safety;
the metal frame is characterized in that at least one group of opposite side beams in each surface of the metal frame is provided with a convex rib 111 with a wedge-shaped structure, each panel is provided with a limiting groove 121 matched with the convex rib, the matching degree of each surface is better through the matching design of the convex rib and the limiting groove, meanwhile, the installation of the whole machine can be realized only by adopting a matched screw on any surface through the limitation of the space installation position of each surface, the disassembly and the maintenance in the field are convenient, the panel is provided with a plurality of reinforced conductive ribs (not shown) for ensuring that the physical structure stability of the panel is better, meanwhile, the conductive ribs can be matched with the metal frame better for conducting transmission through the structural arrangement of the conductive ribs and are not easy to be punctured, and one end of the convex rib of the metal frame can be provided with a matched stopping part 112 for limiting the position of;
the bottom surface of the metal frame is provided with at least four conductive seats 113 which extend out of the bottom surface and are matched with the conductive posts 3 embedded into the ground, and through the structural design of the conductive seats, the conductive posts can quickly receive the ground power and conduct the ground power to the ground through the conductive posts, so that the metal frame has a better lightning-resistant effect;
the end part of the conductive seat is configured to be a mounting end 114 with a conical structure, the conductive column is provided with a mounting groove 30 matched with the mounting end, the device can be quickly connected by adopting the mode, and can be secondarily connected by matching with other bolts and/or clamps so as to ensure the mounting stability and the theft prevention;
be provided with ceramic interlayer 4 between the casing and the anti thunder cabinet body, in this kind of scheme, through the ceramic isolation layer to and the insulating layer in the casing outside, the ferrite layer of casing inboard, make its electric power that does not in time lead in the ground can not cause the influence to high frequency transformer instantaneously, and after the transient, through leading electrical pillar direct access ground, have higher safety protection coefficient, it is for prior art, its anti thunder effect can effectively promote more than 35%.
In another example, as shown in fig. 1, a plurality of ceramic posts 40 are arranged on the ceramic interlayer at positions matched with the bottom of the shell, and are used for resisting the height of the spatial position of the shell, so that the bottom of the shell has a space for accommodating the fan;
the bottom of the shell is provided with fixing grooves 214 at positions matched with the ceramic columns, the fixing grooves are used for supporting and positioning equipment, and the ceramic columns can also be arranged into frame ceramic strips with better supporting performance in order to ensure the structural stability of the ceramic columns;
the ceramic interlayer is provided with at least one fan 5, the bottom of the shell is provided with air inlets 215 at positions matched with the fans, the top and/or the side of the shell are/is provided with matched heat dissipation windows 216, and wind power generated by the fans is sent to the high-frequency transformer through the air inlets under the action of the fans so as to remove heat generated in the work process outwards through the heat dissipation windows;
the bottom of the anti thunder cabinet body is provided with a plurality of and heat dissipation window matched with grid thermovent 130, the hot-blast that flows out from the top heat dissipation window, circulate in the space of the anti thunder cabinet body, then flow out from the thermovent of below, play better radiating effect, and this kind of mode can effectual solution prior art, adopt inner structure to set up and be used for refrigerated conservator, it has played the cooling effect, but under the state that the internal plant burns out, it has still played combustion-supporting effect, make the intensity of a fire develop more fast, dense smoke increases, be unfavorable for carrying out timely control to the intensity of a fire, cause the technical problem of serious influence to the environment, when having good radiating effect, it can not be when equipment goes wrong, lead to bigger environmental pollution.
In another example, as shown in fig. 1, each coil assembly is configured to include: an iron core 221 obtained by laminating silicon steel sheets, and a primary coil 222 and a secondary coil 223 arranged on the iron core;
wherein, each iron core all is configured to and is connected through the contact realization with the ferrite layer, and in this kind of scheme, through set up the ferrite layer with the iron core contact inside the casing for each iron core forms the electromagnetism closed loop in space, and the electromagnetic induction magnetic field is better, more is favorable to high frequency transformer's operation.
In another example, as shown in fig. 1, a lightning rod 140 is arranged at the bottom of the lightning resistant cabinet body, and is used for having a better lightning inducing effect;
at least one grounding conductive wire 150 is arranged at the bottom of the lightning-resistant cabinet body, and the lightning-resistant effect of the cabinet body is further improved through the action of the conductive wire.
As shown in fig. 1, in another example, adjacent conductive sockets are further connected by a fixing beam 160, which is used to protect the structural stability of the equipment by the action of the fixing beam, so as to ensure the degree of matching between the equipment and the installation location when the equipment is fixed, and ensure that the equipment still has better safety in an open place.
The above embodiments are merely illustrative of a preferred embodiment, but not limiting. When the utility model is implemented, the proper replacement and/or modification can be carried out according to the requirements of users.
The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims (5)

1. A high-capacity lightning-resistant high-frequency transformer is characterized by comprising a lightning-resistant cabinet body and a high-frequency transformer arranged in the lightning-resistant cabinet body;
the high-frequency transformer is configured to include a housing for encapsulation, and a plurality of coil assemblies provided therein to realize step-by-step voltage transformation;
the housing is configured to include: the insulating shell is matched with the inner shell;
the lightning protection cabinet body is configured to comprise a metal frame of a frame structure and a plurality of panels which are matched with the metal frame to encapsulate a high-frequency transformer;
wherein, a ferrite layer is adhered on the side wall of the inner shell;
at least one group of opposite side beams in each surface of the metal frame is provided with a rib with a wedge-shaped structure, each panel is provided with a limiting groove matched with the rib, and the panel is provided with a plurality of reinforced conductive ribs;
the bottom surface of the metal frame is provided with at least four conductive seats which extend out of the bottom surface and are matched with the embedded earth conductive columns;
the end part of the conductive seat is configured to be a mounting end with a conical structure, and a mounting groove matched with the mounting end is formed in the conductive column;
and a ceramic interlayer is arranged between the shell and the lightning resistant cabinet body.
2. The high-frequency transformer with high capacity against thunder of claim 1, wherein a plurality of ceramic posts are provided on the ceramic barrier at positions matching with the bottom of the case;
the bottom of the shell is provided with a fixed groove at the position matched with each ceramic column;
the ceramic interlayer is provided with at least one fan, the bottom of the shell is provided with an air inlet at the position matched with each fan, and the top and/or the side of the shell are/is provided with matched heat dissipation windows;
the bottom of the anti-thunder cabinet body is provided with a plurality of grille cooling openings matched with the cooling windows.
3. The high-capacity lightning-resistant high-frequency transformer according to claim 1, wherein each coil block is configured to include: the coil comprises an iron core obtained by laminating silicon steel sheets, and a primary coil and a secondary coil which are arranged on the iron core;
wherein each core is configured to be connected to the ferrite layer by contact.
4. The high-capacity lightning-resistant high-frequency transformer according to claim 1, wherein a lightning rod is arranged at the bottom of the lightning-resistant cabinet body;
at least one grounding conductive wire is arranged at the bottom of the lightning resistant cabinet body.
5. A high-capacity lightning-resistant high-frequency transformer according to claim 1, characterised in that adjacent conductive sockets are connected by means of cooperating fixing beams.
CN201922449489.1U 2019-12-30 2019-12-30 High-capacity lightning-resistant high-frequency transformer Active CN210837344U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922449489.1U CN210837344U (en) 2019-12-30 2019-12-30 High-capacity lightning-resistant high-frequency transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922449489.1U CN210837344U (en) 2019-12-30 2019-12-30 High-capacity lightning-resistant high-frequency transformer

Publications (1)

Publication Number Publication Date
CN210837344U true CN210837344U (en) 2020-06-23

Family

ID=71257015

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922449489.1U Active CN210837344U (en) 2019-12-30 2019-12-30 High-capacity lightning-resistant high-frequency transformer

Country Status (1)

Country Link
CN (1) CN210837344U (en)

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