CN210325434U - Dry-type transformer for electrified railway - Google Patents

Abstract

The utility model belongs to the technical field of transformers, in particular to an electrified railway dry-type transformer, which comprises a transformer body, a plurality of iron cores are arranged inside the transformer body, coils are wound around the outside of the iron cores, a plurality of heat dissipation components are arranged on one side of the outer surface of the transformer body, a heat dissipation cover is arranged at the central position of the heat dissipation component, a motor and a heat dissipation fan are arranged inside the heat dissipation cover, a first communicating pipe and a second communicating pipe are respectively arranged at the upper end and the lower end of the heat dissipation cover, pulsating heat pipes are respectively arranged around the outside of the first communicating pipe and the second communicating pipe, a first handle and a second handle are respectively fixed on the two sides of the transformer body, sliding components are respectively arranged at the upper end and the lower end of the second handle, a rotary drum is arranged at the central position of the sliding components, rollers are arranged on one side, the heat dissipation assembly enables the interior of the transformer body to dissipate heat uniformly, the heat dissipation speed is higher, and the heat dissipation effect is better.

Description

Dry-type transformer for electrified railway

Technical Field

The utility model belongs to the technical field of the transformer, concretely relates to electrified railway dry-type transformer.

Background

The dry transformer is widely used in places such as local illumination, high-rise buildings, airports, wharf CNC mechanical equipment and the like, and is simply a transformer with an iron core and windings which are not immersed in insulating oil, at present, China becomes one of countries with the largest dry type variable yield and sales volume in the world, and no matter the factory scale, the capacity of products, the voltage and the like are in the world leading level, the dry transformer structure mainly comprises the iron core consisting of silicon steel sheets and coils poured by epoxy resin, insulating cylinders are arranged between high-voltage coils and low-voltage coils to increase electrical insulation, and the coils are supported and restrained by cushion blocks, fasteners lapped by parts of the dry transformer have anti-loosening performance, and the dry transformer has the advantages of strong short-circuit resistance, small maintenance workload, high operation efficiency, small volume, low noise and the like, and is commonly used in places with high performance requirements on fire prevention, explosion prevention and the like, a railway line is used for converting three-phase 110KV (or 220KV) high-voltage alternating current into two single- The electric power is supplied to a railway catenary system after flowing through the electric power, and therefore, the electric power needs to be transformed by a transformer.

At present, the dry-type transformer of the electrified railway has the following problems in the use process: the transformer works for a long time, so that the internal temperature of the transformer is overhigh, and certain influence is caused on the work of the transformer; receive the outside adverse circumstances of railway influence for the transformer is often unpacked and is overhauld, or pull down the censorship, and the transformer outside is mostly metallic structure, and its volume and quality are great relatively, makes the transformer transport remove inconvenient, though some transformers are equipped with sliding structure, but sliding structure receive and releases inconveniently, influences the use.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides an electrified railway dry-type transformer has simple to use and the swift characteristics of heat dissipation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electrified railway dry-type transformer, including transformer body, transformer body's inside is provided with a plurality of iron core, the outside winding all around of iron core has the coil, transformer body's surface one side is provided with a plurality of radiator unit, radiator unit's central point puts the department and is provided with the heat exchanger that looses, radiator unit's inside is provided with motor and heat dissipation fan, the upper and lower both ends of heat exchanger are provided with communicating pipe and No. two communicating pipes respectively, the outside of communicating pipe and No. two communicating pipes all is provided with the pulsating heat pipe all around, transformer body's both sides are fixed with a handle and No. two handles respectively, the upper and lower both ends of No. two handles all are provided with sliding assembly, sliding assembly's central point puts the department and is provided with the rotary drum, one side of rotary drum is.

As the utility model discloses a preferred technical scheme of electrified railway dry-type transformer, heat dissipation cover are circular structure, and the motor is connected with the heat dissipation cover stationary phase, and the output of heat dissipation fan and motor is connected through the transmission shaft transmission, and the upper end of heat dissipation cover is fixed with the weather shield, and a communicating pipe is the heat dissipation cover fixedly with No. two communicating pipes and is connected, and a communicating pipe and No. two communicating pipes all are connected with the pulsation heat pipe is fixed.

As the utility model discloses a preferred technical scheme handle of electrified railway dry-type transformer is the symmetry setting with No. two handles, and the rotary drum is connected with No. two handle activities, and the gyro wheel rotates through the pivot with the rotary drum to be connected, and the gag lever post just is the symmetry setting for L shape structure, and the gag lever post is fixed with No. two handles to be connected.

As the utility model discloses a preferred technical scheme of electrified railway dry-type transformer, the transformer body is square structure, iron core and transformer body mutually perpendicular.

As the utility model discloses a preferred technical scheme of electrified railway dry-type transformer, a communicating pipe and No. two communicating pipes all with heat exchanger mutually perpendicular.

As the utility model discloses a preferred technical scheme of electrified railway dry-type transformer, the weather shield is the arc structure.

Compared with the prior art, the beneficial effects of the utility model are that: the transformer comprises a transformer body, a heat dissipation cover, a heat dissipation fan, a first communicating pipe, a second communicating pipe, a pulsating heat pipe, a heat dissipation component and a heat dissipation fan, wherein the transformer body is provided with three heat dissipation components on one side outside the transformer body; the two sides of the transformer body are respectively provided with the first handle and the second handle, the sliding assembly is arranged on the second handle, the transformer body moves in the carrying process, the roller is rotated to one side through the rotary drum and is limited through the limiting rod, the roller and the transformer body are horizontally placed on the ground, the roller and the transformer body are pulled through the first handle, the transformer body is convenient to carry and move, the transformer body is convenient to overhaul, and the winding and unwinding are simple and convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic front view of the internal structure of the present invention;

fig. 3 is a schematic structural view of a heat dissipation assembly of the present invention;

FIG. 4 is a schematic view of the connection structure between the sliding assembly and the second handle according to the present invention;

FIG. 5 is a schematic view of the connection structure between the sliding assembly and the second handle according to the present invention;

in the figure: 1. a transformer body; 2. a heat dissipating component; 3. a sliding assembly; 4. a first handle; 5. a second grip; 6. an iron core; 7. a coil; 8. a first communicating pipe; 9. a second communicating pipe; 10. pulsating heat pipes; 11. a heat dissipation cover; 12. a rain shield; 13. a motor; 14. a heat dissipation fan; 15. a rotating drum; 16. a roller; 17. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a dry-type transformer for an electrified railway comprises a transformer body 1, wherein a plurality of iron cores 6 are arranged inside the transformer body 1, coils 7 are wound around the outer portions of the iron cores 6, a plurality of heat dissipation assemblies 2 are arranged on one side of the outer surface of the transformer body 1, a heat dissipation cover 11 is arranged at the central position of each heat dissipation assembly 2, a motor 13 and a heat dissipation fan 14 are arranged inside each heat dissipation cover 11, a first communicating pipe 8 and a second communicating pipe 9 are respectively arranged at the upper end and the lower end of each heat dissipation cover 11, pulsating heat pipes 10 are respectively arranged around the outer portions of the first communicating pipe 8 and the second communicating pipe 9, a first handle 4 and a second handle 5 are respectively fixed on two sides of the transformer body 1, sliding assemblies 3 are respectively arranged at the upper end and the lower end of the second handle 5, a rotary drum 15 is arranged at the central position of each sliding assembly 3, rollers 16 are arranged on one side of the rotary drum 15, in this embodiment, the use of transformer body 1, iron core 6 and coil 7 can refer to SCB101 dry-type transformer, and iron core 6 is the iron cylindricality structure, and coil 7 is copper coil 7, and is that the heliciform winding is fixed in around 6 outsides of iron core, and radiator unit 2 makes 1 inside heat dissipations of transformer body even, and the radiating rate is faster, and the radiating effect is better, and sliding assembly 3 is convenient for 1 transport of transformer body and is removed, and 1 maintenance of transformer body of being convenient for, and it is simple convenient to receive and release.

Specifically, the heat dissipation cover 11 is a circular structure, the motor 13 is fixedly connected with the heat dissipation cover 11, the heat dissipation fan 14 is in transmission connection with the output end of the motor 13 through a transmission shaft, a rain shield 12 is fixed at the upper end of the heat dissipation cover 11, the first communicating pipe 8 and the second communicating pipe 9 are both fixedly connected with the pulsating heat pipe 10, in the embodiment, the heat dissipation assembly 2 is provided with three positions and is communicated with the transformer body 1 through the first communicating pipe 8 and the second communicating pipe 9, the heat dissipation cover 11 is a metal circular structure and is hollow inside, a circular air port is formed at the outer side for ventilation, the heat dissipation cover 11 is used for arranging the motor 13 and the heat dissipation fan 14, the heat dissipation cover 11, the motor 13 and the heat dissipation fan 14 are used for air cooling and heat dissipation, the motor 13 is an OLI mini-type motor 13, no. 8 communicating pipes and No. 9 communicating pipes are the tubular metal resonator, be used for transformer body 1 and heat exchanger 11's inside intercommunication, can carry out even heat absorption to transformer body 1 inside upper and lower both ends, pulsation heat pipe 10 formula copper system pipe as an organic whole and inside cavity, inside has filled working medium liquid (water) simultaneously, be the heliciform after thermal treatment, the winding is fixed in communicating pipe 8 and No. two communicating pipe 9 outsides around, No. 8 communicating pipe, No. 9 communicating pipe and pulsation heat pipe 10 are used for thing to lead heat transfer, weather shield 12 is the metal arc structure, fix and cover in 11 outside upper ends of heat exchanger, be used for keeping off the rain.

Specifically, the first handle 4 and the second handle 5 are symmetrically arranged, the rotary drum 15 is movably connected with the second handle 5, the roller 16 is rotatably connected with the rotary drum 15 through a rotary shaft, the limiting rod 17 is in an L-shaped structure and is symmetrically arranged, the limiting rod 17 is fixedly connected with the second handle 5, the sliding component 3 is provided with two positions in the embodiment, the first handle 4 and the second handle 5 are both in a metal cylindrical structure and are respectively fixed on two sides of the back of the transformer body 1, the first handle 4 is convenient for lifting the transformer body 1, the second handle 5 is convenient for installing and using the sliding component 3, the rotary drum 15 is in a metal cylindrical structure and is hollow inside and is movably connected with the second handle 5 in a sleeved mode for overturning the roller 16, the roller 16 is made of polyurethane material and is convenient for pushing and pulling the transformer body 1, the limiting rod 17 is a metal L-shaped rod and is used for limiting and fixing the roller 16 when in use, the roller 16 is convenient to support and bear force.

Specifically, the transformer body 1 is a square structure, and the iron core 6 is perpendicular to the transformer body 1.

Specifically, the first communicating pipe 8 and the second communicating pipe 9 are perpendicular to the heat dissipation cover 11.

Specifically, the rain guard 12 has an arc-shaped structure.

The utility model discloses a theory of operation and use flow: when the utility model is used, the transformer body 1 is fixed on the special metal bracket on two sides of a railway through bolts, then the transformer body 1 is connected, the input line is connected from the upper end of the transformer body 1, the output line is connected from the bottom end of the transformer body 1, the input line and the output line are both electrically connected with the iron core 6 and the coil 7, the iron core 6 and the coil 7 are in electromagnetic reaction to convert high voltage electricity into low voltage electricity and transmit electric power to a railway power grid, when the heat radiation component 2 is used, an external power supply starts the motor 13, the heat radiation fan 14 is driven to rotate through the transmission of the motor 13 to gather wind and absorb current, heat at the upper end and the lower end inside the transformer body 1 is sucked out through the first communicating pipe 8 and the second communicating pipe 9, when the heat passes through the first communicating pipe 8 and the second communicating pipe 9, the heat is further radiated through the pulsating heat pipe 10 outside the first communicating pipe 8 and the second communicating pipe 9, the heat is conducted out through the first communicating pipe 8, the second communicating pipe 9 and the pulsating heat pipe 10, and is air-cooled and dissipated through the heat dissipation cover 11, the motor 13 and the heat dissipation fan 14, when the sliding component 3 is used, the transformer body 1 is moved by the first handle 4 and the second handle 5, and the transformer body 1 is horizontally placed on the ground, the roller 16 is rotated to the outer side of the second handle 5 through the rotary drum 15, the upper end of the roller 16 is mutually clamped with the bottom end of the limiting rod 17, thereby limiting and fixing the roller 16, lifting the transformer body 1 through the first handle 4 and pulling the transformer body 1 to pull the transformer body 1 for inspection, after the use, the roller 16 is rotated to the inner side of the second handle 5 through the rotary drum 15, the roller 16 is separated from the limiting rod 17, and the roller 16 is mutually extruded and attached to the outer surface of the transformer body 1, so that the roller 16 is fixed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. An electrified railway dry-type transformer, characterized by: the transformer comprises a transformer body (1), a plurality of iron cores (6) are arranged inside the transformer body (1), coils (7) are wound around the outer portions of the iron cores (6), a plurality of heat dissipation assemblies (2) are arranged on one side of the outer surface of the transformer body (1), a heat dissipation cover (11) is arranged at the central position of each heat dissipation assembly (2), a motor (13) and a heat dissipation fan (14) are arranged inside each heat dissipation cover (11), a first communicating pipe (8) and a second communicating pipe (9) are respectively arranged at the upper end and the lower end of each heat dissipation cover (11), pulsating heat pipes (10) are respectively arranged around the outer portions of the first communicating pipe (8) and the second communicating pipe (9), a first handle (4) and a second handle (5) are respectively fixed on two sides of the transformer body (1), sliding assemblies (3) are respectively arranged at the upper end and the lower end of the second handle (5), and a rotary drum (15) is arranged, one side of the rotary drum (15) is provided with a roller (16), and the other side of the rotary drum (15) is positioned on the outer surface of the second handle (5) and is provided with a limiting rod (17).

2. The electrified railway dry-type transformer of claim 1, wherein: heat dissipation cover (11) are circular structure, and motor (13) are connected with heat dissipation cover (11) are fixed, and heat dissipation fan (14) are connected through the transmission of transmission shaft with the output of motor (13), and the upper end of heat dissipation cover (11) is fixed with weather shield (12), and No. one communicating pipe (8) are heat dissipation cover (11) fixed connection with No. two communicating pipes (9), and No. one communicating pipe (8) and No. two communicating pipes (9) all are connected with pulsation heat pipe (10) fixed connection.

3. The electrified railway dry-type transformer of claim 1, wherein: the first handle (4) and the second handle (5) are symmetrically arranged, the rotary drum (15) is movably connected with the second handle (5), the roller (16) is rotatably connected with the rotary drum (15) through a rotary shaft, the limiting rods (17) are of L-shaped structures and symmetrically arranged, and the limiting rods (17) are fixedly connected with the second handle (5).

4. The electrified railway dry-type transformer of claim 1, wherein: the transformer body (1) is of a square structure, and the iron core (6) is perpendicular to the transformer body (1).

5. The electrified railway dry-type transformer of claim 2, wherein: the first communicating pipe (8) and the second communicating pipe (9) are perpendicular to the heat dissipation cover (11).

6. The electrified railway dry-type transformer of claim 2, wherein: the rain baffle (12) is of an arc structure.

Images