CN111682430A

CN111682430A - Transformer box with lightning protection function

Info

Publication number: CN111682430A
Application number: CN202010579293.9A
Authority: CN
Inventors: 赵斌
Original assignee: Henan Yanuo Electric Equipment Co ltd
Current assignee: Wuhan Lanshuo Intelligent Electrical Equipment Co.,Ltd.
Priority date: 2018-09-29
Filing date: 2018-09-29
Publication date: 2020-09-18
Anticipated expiration: 2038-09-29
Also published as: CN111682430B; CN111682429B; CN109244878A; CN109244878B; CN111682429A

Abstract

The invention discloses a transformer box with a lightning protection function and a lightning protection method of the transformer box, and relates to the technical field of supporting facilities of power equipment. The invention comprises a box body, wherein a wire arranging component is fixed on the inner wall of the box body; an electric appliance mounting plate is fixed on the inner wall of the box body; a plurality of first lightning protection components are fixed on one surface of the box body; a plurality of second lightning protection components are fixed on one surface of the box body; a first round rod is fixed between the second lightning protection components; one surface of the box body is rotatably connected with a box door through a hinge; a door lock is fixed on one surface of the box door; a ventilation assembly is fixed on one surface of the box body; a first bracket is fixed on the opposite inner wall of the box body; the opposite surfaces of the box body are provided with first rectangular holes. The first lightning protection component and the second lightning protection component are used for double insurance lightning protection, the ventilation component effectively prevents rainwater from being blown into the box body by wind, and the wire arrangement component is used for fixing and protecting electrical appliances in the box body, so that the box has the advantages of safety and reliability.

Description

Transformer box with lightning protection function

The patent application is divisional application, the application number of a parent application is 2018111468969, and the application date of the parent application is 09 and 29 days in 2018.

Technical Field

The invention belongs to the technical field of supporting facilities of power equipment, and particularly relates to a transformer box with a lightning protection function.

Background

A substation box is a box of a place where voltage and current of electric energy are converted, concentrated, and distributed in an electric power system. In order to ensure the quality of electric energy and the safety of equipment, voltage regulation, power flow control and protection of power transmission and distribution lines and main electrical equipment are required to be carried out in a transformer box.

The common outdoor transformer box has the potential risk of being struck by lightning in thunderstorm weather, but the common outdoor transformer box still has insufficient processing on lightning protection, and once struck by lightning, corresponding loss can be caused; general transformer boxes are directly provided with ventilation openings at two sides of a box body for heat dissipation, so that rainwater can enter the transformer boxes under the action of wind force, and potential safety hazards are caused; and the electrical apparatus and the wire inside the box body are easy to loose and fall off when the box body is accidentally impacted.

The lightning-proof distribution box of current adopts the lightning rod to lead the thunderbolt to the ground more, however in mountain region or plateau environment, for example distribution box for wind-powered electricity generation or distribution box for high altitude facility, the direction of thunder and lightning is changeable, often the lightning strike around leads to the lightning rod also can't effectively prevent thunder, and the distribution box in case meets with the thunderbolt, can seriously influence electric power operation and industrial production life, and because distribution box equipment is less, its problem of preventing the lightning strike around also not arouses in late time and attach value and solve.

Disclosure of Invention

The invention aims to provide a transformer box with a lightning protection function, lightning stroke is prevented through double insurance of a first lightning protection component and a second lightning protection component, namely, the first lightning protection component realizes the basic lightning protection effect of a lightning rod to prevent the damage of direct lightning stroke, the second lightning protection component realizes the prevention of the surrounding lightning stroke, and the lightning protection safety of the distribution box is effectively and comprehensively protected. The ventilation assembly effectively prevents rainwater from being blown into the interior of the box body by wind, the wire arrangement assembly fixes and protects the electrical appliance in the box body, and the problems that the lightning protection measures of the existing transformer box are not in place, rainwater easily enters the interior of the box body from a ventilation opening and the electrical appliance and a wire are easily loosened when the box body is accidentally impacted are solved.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a transformer box with lightning protection function, which comprises a box body,

a wire arranging assembly is fixed on the inner wall of the box body and used for combing and fixing wires in the box body; an electric appliance mounting plate is fixed on the inner wall of the box body; two first lightning protection components are fixed on one surface of the box body and used for guiding electric charges; two second lightning protection components are fixed on one surface of the box body; a first round rod is fixed between the second lightning protection components; one surface of the box body is rotatably connected with a box door through a hinge; a door lock is fixed on one surface of the box door; a ventilation assembly is fixed on one surface of the box body and dissipates heat inside the transformer box; a first bracket is fixed on the opposite inner wall of the box body;

the opposite surfaces of the box bodies are provided with first rectangular holes; two first round holes are formed in one surface of the box body; two second round holes are formed in one surface of the box body.

Further, the wire arranging assembly comprises a wire arranging frame; a plurality of third round holes are formed in one surface of the wire arranging frame, and the third round holes are used for carding the wires to prevent the wires from being wound together; a plurality of wire buckles are fixed on one surface of the wire arranging frame; the wire buckle is of a U-shaped structure, and the wire buckle fixes the wire after the wire passes through the third round hole; three springs are fixed on one surface of the wire arranging frame; the other end of the spring is fixedly connected with the inner wall of the box body, and the spring buffers and damps the wire arranging frame and the electric appliance when the box body is accidentally impacted, so that the electric appliance and the wires are prevented from loosening and falling; one surface of the wire arranging frame is fixedly connected with one surface of the first support through a bolt.

Further, the first lightning protection assembly comprises a first metal guide head; the first metal guide head is of a conical structure; three second brackets are fixed on the peripheral side surface of the first metal guide head; the other end of the second bracket is fixedly connected with one surface of the box body; the second bracket is made of insulating materials; a second round rod is fixed at one end of the first metal guide head; the peripheral side surface of the second round rod is in clearance fit with an inner wall of the second round hole; a first metal column is fixed at the other end of the second round rod, is used for releasing charges and is buried underground during installation; a plurality of third brackets are fixed on the peripheral side surface of the first metal column; the other end of the third support is fixedly connected with one surface of the box body, and the third support is made of insulating materials.

Further, the second lightning protection component comprises a second metal guide head; the second metal guide head is of a cylindrical structure; three fourth brackets are fixed on the peripheral side surface of the second metal guide head; the other end of the fourth bracket is fixedly connected with one surface of the box body; the fourth bracket is made of an insulating material; a third round rod is fixed at one end of the second metal guide head; the peripheral side surface of the third round rod is in clearance fit with an inner wall of the first round hole; a second metal column is fixed at the other end of the third round rod, is used for releasing charges and is buried underground during installation; three fifth brackets are fixed on the peripheral side surface of the second metal column; the other end of the fifth support is fixedly connected with one surface of the box body, and the fifth support is made of insulating materials. And a first round bar is fixed between every two second metal guide heads of the second lightning protection assemblies, and all the second metal guide heads and the first round bars connected between the second metal guide heads form a lightning protection net for preventing direct attack and shielding attack of lightning which is not guided by the first lightning protection assemblies.

Further, the vent assembly includes a stop; a rectangular groove is formed in one surface of the stop block, and one end of the rectangular groove is located in the box body, so that rainwater is effectively prevented from entering the box body; a plurality of second rectangular holes are formed in the opposite inner walls of the rectangular grooves; a plurality of third rectangular holes are formed in the inner wall of the rectangular groove, and the second rectangular holes and the third rectangular holes ventilate and radiate the interior of the box body.

The invention has the following beneficial effects:

1. the transformer box is protected doubly by the first lightning protection component and the second lightning protection component, so that the transformer box is effectively prevented from being struck by lightning, and the transformer box has the advantage of good lightning protection performance.

2. According to the invention, through the action of the ventilation assembly, the ventilation assembly is positioned in the transformer box, so that the potential safety hazard caused by rainwater entering the box body under the action of wind power is avoided, and the waterproof box has the advantage of good waterproofness.

3. The wire arranging assembly is used for fixing and protecting the electric appliance in the box body, so that the electric appliance and the wires in the box body are prevented from being loosened and falling off when the box body is accidentally impacted, and the wire arranging assembly has the advantages of safety and reliability.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a transformer box with a lightning protection function according to the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a schematic structural diagram of a first lightning protection assembly;

FIG. 5 is a schematic structural view of a second lightning protection assembly and a first round bar;

FIG. 6 is a schematic structural view of the inside of the case;

FIG. 7 is a schematic structural diagram of a wire management assembly;

FIG. 8 is a schematic view of the construction of the vent assembly;

in the drawings, the components represented by the respective reference numerals are listed below:

1-box, 2-wire arranging component, 3-electrical appliance mounting plate, 4-first lightning protection component, 5-second lightning protection component, 6-first round rod, 7-box door, 8-door lock, 9-ventilation component, 10-first bracket, 101-first rectangular hole, 102-first round hole, 103-third round hole, 201-wire arranging frame, 202-third round hole, 203-wire buckle, 204-spring, 401-first metal guide head, 402-second bracket, 403-second round rod, 404-third bracket, 405-first metal column, 501-second metal guide head, 502-fourth bracket, 503-third round rod, 504-second metal column, 505-fifth bracket, 901-stopper, 902-rectangular groove, 903-a second rectangular hole, 904-a third rectangular hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the invention is a transformer box with lightning protection function, including a box body 1, a wire arrangement component 2 is fixed on an inner wall of the box body 1, the wire arrangement component 2 combs and fixes wires inside the box body 1; an electrical appliance mounting plate 3 is fixed on one inner wall of the box body 1; two first lightning protection components 4 are fixed on one surface of the box body 1, and the first lightning protection components 4 are used for guiding charges; two second lightning protection components 5 are fixed on one surface of the box body 1; a first round bar 6 is fixed between the second lightning protection components 5; one surface of the box body 1 is rotatably connected with a box door 7 through a hinge; a door lock 8 is fixed on one surface of the box door 7; a ventilation assembly 9 is fixed on one surface of the box body 1, and the ventilation assembly 9 dissipates heat inside the transformer box; a first bracket 10 is fixed on one opposite inner wall of the box body 1;

the opposite surfaces of the box body 1 are provided with first rectangular holes 101; two first round holes 102 are formed in one surface of the box body 1; two second round holes 103 are formed on one surface of the box body 1.

Wherein, as shown in fig. 4, the first lightning protection component 4 comprises a first metal lead-through 401; the first metal guide head 401 is a conical structure; three second brackets 402 are fixed on the peripheral side surface of the first metal guide head 401; the second bracket 402 is an insulating material; the other end of the second bracket 402 is fixedly connected with one surface of the box body; a second round bar 403 is fixed at one end of the first metal guide head 401; the peripheral side surface of the second round rod 403 is in clearance fit with an inner wall of the second round hole 103; the other end of the second round bar 403 is fixed with a first metal column 405; the first metal post 405 is used to discharge electric charge, buried underground when installed; three third brackets 404 are fixed on the peripheral side surface of the first metal column 405; the other end of the third support 404 is fixedly connected with one surface of the box body 1, and the third support 404 is made of insulating materials.

Wherein, as shown in fig. 5, the second lightning protection component 5 comprises a second metal lead-through 501; the second metal guide head 501 is a cylindrical structure; three fourth brackets 502 are fixed on the peripheral side surface of the second metal guide head 501; the other end of the fourth bracket 502 is fixedly connected with one surface of the box body 1; the fourth support 502 is an insulating material; a third round rod 503 is fixed at one end of the second metal guide head 501; the peripheral side surface of the third round rod 503 is in clearance fit with an inner wall of the first round hole 102; the other end of the third round bar 503 is fixed with a second metal column 504; the second metal column 504 is used for releasing charges and is buried underground during installation; three fifth brackets 505 are fixed on the peripheral side surface of the second metal column 504; the other end of the fifth support 505 is fixedly connected with one surface of the box body 1, and the fifth support 505 is made of insulating materials. First round rods (6) are fixed between the second metal guide heads (501) of every two second lightning protection assemblies (5), and all the second metal guide heads (501) and the first round rods (6) connected between the second metal guide heads form a lightning protection net for preventing direct attack and shielding attack of lightning which is not guided by the first lightning protection assemblies (4). Preferably, the number of the second lightning protection components (5) is at least 4 (only 2 shown in the figure).

As shown in fig. 7, the wire arrangement component 2 includes a wire arrangement frame 201; a third round hole 202 is formed in one surface of the wire arranging frame 201, and the third round hole 202 combs the wires to prevent the wires from being wound together; a wire buckle 203 is fixed on one surface of the wire arranging frame 201; the wire buckle 203 is of a U-shaped structure, and the wire buckle 203 fixes the conducting wire after the conducting wire passes through the third round hole 202; three springs 204 are fixed on one surface of the wire arranging frame 201; the other end of the spring 204 is fixedly connected with one inner wall of the box body 1, and the spring 204 buffers and damps the wire arranging frame 201 and the electric appliance when the box body 1 is accidentally impacted, so that the electric appliance is prevented from loosening and falling; one surface of the wire arranging frame 201 is fixedly connected with one surface of the first bracket 11 through bolts.

Wherein, as shown in fig. 8, the vent assembly 9 includes a stopper 901; a rectangular groove 902 is formed in one surface of the stop block 901, and one end of the rectangular groove 902 is located inside the box body 1, so that rainwater is effectively prevented from entering the box body 1; a second rectangular hole 903 is formed in the opposite inner wall of the rectangular groove 902; a third rectangular hole 904 is formed in one inner wall of the rectangular groove 902, and the second rectangular hole 903 and the third rectangular hole 904 ventilate and radiate the inside of the box body 1.

One specific application of this embodiment is: fixing the electric appliance on the electric appliance mounting plate 3, enabling the corresponding lead to pass through the third round hole 202, fixing the lead on the wire buckle 203, and closing the box door 7; if the transformer box is struck by lightning, the first metal guide head 401 attracts charges through the point discharge principle, meanwhile, the charges are transmitted to the first metal column 405 from the second round rod 403 through the first metal guide head 401, and the metal column 405 is buried underground, so that the charges are neutralized, and the transformer box is effectively prevented from being struck by lightning; first round rods (6) are fixed between the second metal guide heads (501) of every two second lightning protection assemblies (5), and all the second metal guide heads (501) and the first round rods (6) connected between the second metal guide heads form a lightning protection net for preventing direct attack and shielding attack of lightning which is not guided by the first lightning protection assemblies (4). If rainwater is beaten on the surface of the box body 1 under the action of wind power, the ventilation assembly 9 effectively prevents the rainwater from entering the box body 1; if the box body 1 is accidentally impacted, the wire arranging assembly 2 is buffered and damped under the action of the spring 204, and loose falling of electric appliances and wires inside the box body 1 is effectively avoided.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A transformer box with a lightning protection function comprises a box body (1), wherein a wire management assembly (2) is fixed on one inner wall of the box body (1); an electrical appliance mounting plate (3) is fixed on one inner wall of the box body (1); a plurality of first lightning protection components (4) are fixed on one surface of the box body (1); a plurality of second lightning protection components (5) are fixed on one surface of the box body (1); one surface of the box body (1) is rotatably connected with a box door (7) through a hinge; a door lock (8) is fixed on one surface of the box door (7); a ventilation assembly (9) is fixed on one surface of the box body (1); a first support (10) is fixed on one opposite inner wall of the box body (1); one opposite surface of the box body (1) is provided with a first rectangular hole (101); a plurality of first round holes (102) are formed in one surface of the box body (1); a plurality of second round holes (103) are formed in one surface of the box body (1), and the ventilation assembly (9) comprises a stop block (901); a rectangular groove (902) is formed in one surface of the stop block (901); a plurality of second rectangular holes (903) are formed in the opposite inner walls of the rectangular groove (902); a plurality of third rectangular holes (904) are formed in one inner wall of the rectangular groove (902), and the wire arranging assembly (2) comprises a wire arranging frame (201); a plurality of third round holes (202) are formed in one surface of the wire arranging frame (201); a plurality of wire buckles (203) are fixed on one surface of the wire arranging frame (201); the wire buckle (203) is of a U-shaped structure; a plurality of springs (204) are fixed on one surface of the wire arranging frame (201); the other end of the spring (204) is fixedly connected with one inner wall of the box body (1); one surface of the wire arranging frame (201) is fixedly connected with one surface of the first support (10) through a bolt.

2. A transformer box with lightning protection function according to claim 1, characterized in that said first lightning protection assembly (4) comprises a first metallic lead-through (401); the first metal guide head (401) is of a conical structure; a plurality of second brackets (402) are fixed on the peripheral side surface of the first metal guide head (401); the other end of the second bracket (402) is fixedly connected with one surface of the box body; a second round rod (403) is fixed at one end of the first metal guide head (401); the peripheral side surface of the second round rod (403) is in clearance fit with an inner wall of the second round hole (103); a first metal column (405) with one end buried underground is fixed at the other end of the second round rod (403); a plurality of third brackets (404) are fixed on the peripheral side surface of the first metal column (405); the other end of the third support (404) is fixedly connected with one surface of the box body (1).

3. A transformer box with lightning protection function according to claim 2, characterized in that said second lightning protection components (5) are at least four, each second lightning protection component (5) comprising a second metallic lead-through (501); the second metal guide head (501) is of a cylindrical structure; a plurality of fourth brackets (502) are fixed on the peripheral side surface of the second metal guide head (501); the other end of the fourth bracket (502) is fixedly connected with one surface of the box body (1); a third round rod (503) is fixed at one end of the second metal guide head (501); the peripheral side surface of the third round rod (503) is in clearance fit with an inner wall of the first round hole (102); a second metal column (504) with one end buried underground is fixed at the other end of the third round rod (503); a plurality of fifth brackets (505) are fixed on the peripheral side surface of the second metal column (504); the other end of the fifth support (505) is fixedly connected with one surface of the box body (1), a first round bar (6) is fixed between every two second metal guiding heads (501) of the second lightning protection assembly (5), and all the second metal guiding heads (501) and the first round bars (6) connected between the second metal guiding heads form a lightning protection net for preventing direct attack and shielding attack of lightning which is not guided by the first lightning protection assembly (4).