CN217768049U - Dry-type transformer with protective housing - Google Patents

Abstract

The utility model relates to the technical field of transformer, and a dry-type transformer with protective housing is disclosed, including dry-type transformer, dry-type transformer's surface is provided with heat dissipation mechanism and anticollision institution, heat dissipation institution is including case, suction fan, aspiration channel, T shape fin, mounting panel, the baffle that hides rain, bracing piece, shell, honeycomb through-hole of induced drafting, case fixed mounting is at the top of mounting panel, shell fixed mounting is at the top of mounting panel. The suction fan is induced drafted to the shell inside and is carried out the heat transfer, hides that the rain baffle prevents that the rainwater from inside the shell of flowing in from the honeycomb through-hole when raining, and inside dry-type transformer of torsional spring and shell protection inner shell, eight torsional springs make the atress of shell even, and T shape fin carries out the heat transfer through contacting with the outside air.

Description

Dry-type transformer with protective housing

Technical Field

The utility model relates to a transformer technical field specifically is a dry-type transformer with protective housing.

Background

The dry type transformer mainly comprises an iron core formed by silicon steel sheets and coils poured by epoxy resin, an insulating cylinder is arranged between the high-voltage coils and the low-voltage coils to increase electrical insulation, the coils are supported and restrained by cushion blocks, and fasteners lapped by parts of the coils all have anti-loosening performance. The LED light source is widely applied to places such as local illumination, high-rise buildings, airports, wharf CNC mechanical equipment and the like. At present, urban and rural power grid construction steps are accelerated, and the generated energy and the power consumption of China are increased day by day. Generally speaking, for every 1kW of power generation, the total capacity of the transformer needs to be increased by 11 kVA. It is estimated that dry distribution transformers account for approximately 1/5 to 1/4 of the total distribution transformer. Due to the drawing of construction investment of a power grid, the transformer industry has a high popularity, and the yield can be increased by about 20% after 2010. The dry type 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. Meanwhile, the whole structure of the dry-type transformer is precise, strict control requirements are met on the temperature during use, and the dry-type transformer with the protective shell is provided in the current use process, and the dry-type transformer is frequently in failure stop work due to overhigh temperature.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dry-type transformer with protective housing reaches the purpose in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dry-type transformer with protective housing, includes dry-type transformer, dry-type transformer's surface is provided with heat dissipation mechanism and anticollision institution, heat dissipation mechanism is including case, suction fan, aspiration channel, T shape fin, mounting panel, the baffle that hides rain, bracing piece, shell, honeycomb through-hole, case fixed mounting is at the top of mounting panel to the aspiration channel, shell fixed mounting is at the top of mounting panel.

Preferably, the suction fan is fixedly installed on the inner wall of the suction box, one end of the suction pipe is fixedly connected with the suction opening of the suction fan, one end of the suction pipe, which is far away from the suction fan, sequentially penetrates through the inner wall of the suction box and the outer wall of the shell and extends to the inside of the shell, and the suction fan sucks air in the shell to exchange heat.

Preferably, the bottom of the T-shaped radiating fin penetrates through the outer surface of the shell and extends to the inside, the middle of the T-shaped radiating fin is welded with the shell, and the T-shaped radiating fin exchanges heat through contact with the outside air.

Preferably, the one end of keeping out rain baffle is articulated with one side of shell, the one end of bracing piece is articulated with the surface of keeping out rain baffle, the honeycomb through-hole is seted up in the shell and is kept out rain baffle one side of being connected, keeps out rain baffle and prevents that the rainwater from inside honeycomb through-hole inflow shell when raining.

Preferably, the anti-collision mechanism comprises an inner shell and a torsion spring, the inner wall of the bottom of the inner shell is fixedly connected with the bottom of the dry-type transformer, the bottom of the torsion spring is fixedly connected with the top of the inner shell, the top of the torsion spring is fixedly connected with the inner wall of the top of the outer shell, and the torsion spring and the outer shell protect the dry-type transformer inside the inner shell.

Preferably, the number of the torsion springs is eight, and the eight torsion springs enable the stress of the shell to be uniform.

The utility model provides a dry-type transformer with protective housing. The method has the following beneficial effects:

(1) The utility model discloses a suction fan induced drafts to shell inside and carries out the heat transfer, hides that the rain baffle prevents that the rainwater from inside the honeycomb through-hole inflow shell when raining.

(2) The utility model discloses an inside dry-type transformer of torsional spring and shell protection inner shell, eight torsional springs make the atress of shell even, and T shape fin carries out the heat transfer through contacting with the outside air.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a side view of the present invention.

In the figure: 1 transformer, 3 heat dissipation mechanisms, 301 air suction boxes, 302 air suction fans, 303 air suction pipes, 304T-shaped cooling fins, 305 mounting plates, 306 rain shielding baffles, 307 supporting rods, 308 outer shells, 309 honeycomb through holes, 2 anti-collision mechanisms, 201 inner shells and 202 torsion springs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

As shown in fig. 1-3, the utility model provides a technical solution: a dry-type transformer with a protective shell comprises a dry-type transformer 1, a heat dissipation mechanism 3 and an anti-collision mechanism 2 are arranged on the outer surface of the dry-type transformer 1, the heat dissipation mechanism 3 comprises an air suction box 301, a suction fan 302, an air suction pipe 303, T-shaped cooling fins 304, a mounting plate 305, a rain shielding baffle 306, a support rod 307, a shell 308 and honeycomb through holes 309, the air suction box 301 is fixedly mounted at the top of the mounting plate 305, the shell 308 is fixedly mounted at the top of the mounting plate 305, the suction fan 302 is fixedly mounted on the inner wall of the air suction box 301, one end of the suction pipe 303 is fixedly connected with an air suction inlet of the suction fan 302, one end of the suction pipe 303, far away from the suction fan 302, sequentially penetrates through the inner wall of the air suction box 301 and the outer wall of the shell 308 and extends into the shell 308, hot air inside the shell 308 is sucked out through the suction fan 302, the suction fan 302 sucks air inside the shell 308 to exchange heat, the bottom of the T-shaped cooling fins 304 penetrate through the outer surface of the shell 308 and extend into the inside, the middle part of the T-shaped radiating fin 304 is welded with the outer shell 308, the T-shaped radiating fin 304 exchanges heat through contact with external air, one end of a rain shielding baffle 306 is hinged with one side of the outer shell 308, the rain shielding baffle 306 prevents rainwater from flowing into the outer shell 308 from a honeycomb through hole 309 when raining, one end of a support rod 307 is hinged with the outer surface of the rain shielding baffle 306, a honeycomb through hole 309 is formed in one side of the outer shell 308 connected with the rain shielding baffle 306, external air enters the outer shell 308 through the honeycomb through hole 309, the anti-collision mechanism 2 comprises an inner shell 201 and a torsion spring 202, the inner wall of the bottom of the inner shell 201 is fixedly connected with the bottom of the dry-type transformer 1, the bottom of the torsion spring 202 is fixedly connected with the top of the inner shell 201, the top of the torsion spring 202 is fixedly connected with the inner wall of the top of the outer shell 308, the torsion spring 202 reduces the impact force on the outer shell 308, the torsion spring 202 and the outer shell 308 protect the dry-type transformer 1 in the inner shell 201, the number of torsion springs 202 is eight, and eight torsion springs 202 enable the housing 308 to be evenly stressed.

When the rain sheltering device is used, the suction fan 302 is started, hot air inside the outer shell 308 is sucked out through the suction fan 302, outside air enters the outer shell 308 through the honeycomb through holes 309, when the air sheltering device is impacted, the torsion spring 202 relieves the impact force on the outer shell 308, meanwhile, the torsion spring 202 disperses the impact force to the inner shell 201, one end of the supporting rod 307 is in butt joint with the honeycomb through holes 309 when rain shelters, and the supporting rod 307 supports the rain sheltering baffle 306 to achieve the effect of sheltering from rain.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims (6)

1. The utility model provides a dry-type transformer with protective housing, includes dry-type transformer (1), its characterized in that: the surface of dry-type transformer (1) is provided with heat dissipation mechanism (3) and anticollision institution (2), heat dissipation mechanism (3) is including suction box (301), suction fan (302), aspiration channel (303), T shape fin (304), mounting panel (305), rain-proof baffle (306), bracing piece (307), shell (308), honeycomb through-hole (309), suction box (301) fixed mounting is at the top of mounting panel (305), shell (308) fixed mounting is at the top of mounting panel (305).

2. A dry-type transformer with protective case as claimed in claim 1, wherein: suction fan (302) fixed mounting is at the inner wall of suction box (301), the one end of aspiration channel (303) and the inlet scoop fixed connection of suction fan (302), the one end that suction fan (302) were kept away from in aspiration channel (303) runs through the inner wall of suction box (301) and the outer wall of shell (308) in proper order and extends to the inside of shell (308).

3. A dry transformer with protective casing as claimed in claim 2, wherein: the bottom of the T-shaped cooling fin (304) penetrates through the outer surface of the shell (308) and extends to the inside, and the middle of the T-shaped cooling fin (304) is welded with the shell (308).

4. A dry transformer with protective casing as claimed in claim 3, wherein: one end of the rain shielding baffle (306) is hinged to one side of the shell (308), one end of the supporting rod (307) is hinged to the outer surface of the rain shielding baffle (306), and the honeycomb through hole (309) is formed in the side, connected with the rain shielding baffle (306), of the shell (308).

5. A dry transformer with protective casing as claimed in claim 4, wherein: the anti-collision mechanism (2) comprises an inner shell (201) and a torsion spring (202), the inner wall of the bottom of the inner shell (201) is fixedly connected with the bottom of the dry-type transformer (1), the bottom of the torsion spring (202) is fixedly connected with the top of the inner shell (201), and the top of the torsion spring (202) is fixedly connected with the inner wall of the top of the outer shell (308).

6. A dry transformer with protective casing as claimed in claim 5, wherein: the number of the torsion springs (202) is eight.

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