CN218214880U - Lightning protection dry-type transformer - Google Patents

Abstract

The utility model discloses a lightning protection dry-type transformer, including the guard box, a plurality of louvre has all been opened to guard box left end lower part and right-hand member lower part, the guard box front end has two chamber doors, two through loose axle movable mounting two visual window have all been opened on chamber door front end upper portion, the inside fixed mounting of guard box has transformer body, the equal fixed mounting of left wall and interior right wall has two slides, four in the guard box common movable mounting has two dust keeper between the slide, guard box upper end fixed mounting has lightning protection device, lightning protection device surface rear portion fixed mounting has the lead wire, lead wire lower extreme fixed mounting has ground connection and leads electrical pillar. A lightning protection dry-type transformer, convenient height-adjusting can adapt to various environment in a flexible way, has solved the inconvenient dust to the dust screen on of current transformer case and has cleared up, long-time use back radiating effect reduces, leads to the problem that internal component damaged easily.

Description

Lightning protection dry-type transformer

Technical Field

The utility model relates to a vary voltage technical field, in particular to lightning protection dry-type transformer.

Background

The dry-type transformer is widely used in places such as local lighting, high-rise buildings, airports, wharf CNC mechanical equipment and the like, and simply, the dry-type transformer refers to a transformer with an iron core and a winding which are not immersed in insulating oil, the cooling mode is divided into natural air cooling and forced air cooling, the transformer can continuously run for a long time under the rated capacity during natural air cooling, and the output capacity of the transformer can be improved by 50% during forced air cooling, so that the dry-type transformer is suitable for intermittent overload running or emergency accident overload running; because the load loss and the impedance voltage amplification are large during overload and the device is in a non-economic operation state, the device is not required to be in continuous overload operation for a long time. The existing dry-type transformer at least has the following disadvantages when in use: 1. the existing dry-type transformer has unsatisfactory lightning protection effect, and particularly, the height of a lightning rod cannot be adjusted, and the existing dry-type transformer cannot be flexibly adapted to various environments; 2. the vent has been seted up to vary voltage case outer wall, and a large amount of dusts enter into the transformer inside through the vent and adsorb on the work device surface, influence the operating condition of work device and cause the damage of circuit even, and current vary voltage incasement is provided with the dust screen, but inconvenient dust to on the dust screen clears up, long-time back radiating effect greatly reduced that uses leads to the internal component to damage easily.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a lightning protection dry type transformer, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a lightning protection dry-type transformer, includes the guard box, a plurality of louvre has all been opened to guard box left end lower part and right-hand member lower part, the guard box front end has two chamber doors, two through loose axle movable mounting two visual windows have all been opened on chamber door front end upper portion, the inside fixed mounting of guard box has the transformer body, the equal fixed mounting of left wall and interior right wall has two slides, four in the guard box common movable mounting has two dust keeper between the slide, guard box upper end fixed mounting has lightning protection device, lightning protection device surface rear portion fixed mounting has the lead wire, lead wire lower extreme fixed mounting has ground connection to lead electrical pillar.

Preferably, the two dust-proof devices correspond to the two heat dissipation holes respectively.

Preferably, the lightning protection device includes the bottom plate, the bottom plate is provided with four, four the equal fixed mounting in bottom plate upper end has the sleeve, four the fixed orifices has all been opened on sleeve surface upper portion, four the inside movable mounting that all alternates of sleeve has the lifter, four the lifter surface has all opened four regulation holes, four equal threaded mounting has the bolt in the fixed orifices, four the equal fixed mounting in lifter upper end holds in the palm the groove, four hold in the palm the common fixed mounting in groove inner wall and have the electrically conductive frame of taking shelter from thunder.

Preferably, the rear part of the outer surface of the lightning-protection conducting frame is fixedly connected with a lead, and the bolt is in threaded connection with the fixing hole and the adjusting hole to detachably connect the lifting rod and the sleeve.

Preferably, dust keeper includes the installing frame, the inside fixed mounting of installing frame has the dust screen, installing frame rear end fixed mounting has a plurality of lug, the back wall is opened there is a plurality of draw-in groove in the guard box, the equal fixed mounting of installing frame left end rear portion and right-hand member rear portion has two branches, four the equal fixed mounting of one end that the installing frame was kept away from to branch has the fixed plate, four the equal movable mounting of one end that branch was kept away from to the fixed plate has the smooth pearl.

Preferably, a plurality of the lug is in movable joint with the back wall in the guard box through a plurality of draw-in grooves, four the smooth ball is all slidable mounting in the slide.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through the arranged sleeve, the lifting rod, the bolt, the fixing hole and the adjusting hole, when the height of the support needs to be adjusted, the height can be adjusted by pulling the lifting rod upwards, then enabling the adjusting hole in the surface of the lifting rod to correspond to the fixing hole and fixing the lifting rod by the bolt, and the problems that the lightning protection effect of the existing dry-type transformer is unsatisfactory, especially the lightning rod cannot adjust the height and cannot flexibly adapt to various environments are solved;

2. through the installing frame that sets up, smooth pearl and slide, when the dust on the dust screen is too much, through the outside pulling installing frame of manual, the installing frame slides to the outside along the slide through the smooth pearl of left end and right-hand member, slide the place ahead is provided with the baffle, avoid the installing frame wholly to drop out, when the dust screen is whole to expose out, the staff can clear up it, the current vary voltage incasement is provided with the dust screen, nevertheless inconvenient dust to on the dust screen is cleared up, long-time use back radiating effect greatly reduced, lead to the problem that the internal component damaged easily.

Drawings

Fig. 1 is a schematic view of the overall structure of a lightning protection dry type transformer of the present invention;

fig. 2 is a schematic view of the internal overall structure of a lightning protection dry-type transformer of the present invention;

fig. 3 is a schematic view of the overall structure of the lightning protection device of the lightning protection dry-type transformer of the present invention;

fig. 4 is the utility model relates to a dust keeper overall structure schematic diagram of lightning protection dry-type transformer.

In the figure: 1. a protection box; 2. heat dissipation holes; 3. a box door; 4. a visual window; 5. a lightning protection device; 51. a base plate; 52. a sleeve; 53. a lifting rod; 54. a fixing hole; 55. an adjustment hole; 56. a bolt; 57. supporting a groove; 58. a lightning-protection conductive frame; 6. a slideway; 7. a dust-proof device; 71. installing a frame; 72. a dust screen; 73. a bump; 74. a strut; 75. a fixing plate; 76. a sliding bead; 8. a transformer body; 9. a lead wire; 10. and the grounding conductive column.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Examples

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a lightning protection dry-type transformer, including guard box 1, a plurality of louvre 2 has all been opened to 1 left end lower part of guard box and right-hand member lower part, there are two chamber doors 3 at 1 front end of guard box through loose axle movable mounting, two visual window 4 have all been opened on 3 front end upper portions of two chamber doors, 1 inside fixed mounting of guard box has transformer body 8, 1 interior left wall of guard box and the equal fixed mounting of interior right wall have two slides 6, common movable mounting has two dust keeper 7 between four slides 6, 1 upper end fixed mounting of guard box has lightning protection device 5, 5 surface rear portion fixed mounting of lightning protection device has lead wire 9, 9 lower extreme fixed mounting of lead wire has ground connection to lead electrical pillar 10.

In this embodiment, the two dust-proof devices 7 correspond to the two heat dissipation holes 2 respectively; the lightning protection device 5 comprises a bottom plate 51, four bottom plates 51 are arranged, sleeves 52 are fixedly arranged at the upper ends of the four bottom plates 51, fixing holes 54 are formed in the upper parts of the outer surfaces of the four sleeves 52, lifting rods 53 are movably arranged in the four sleeves 52 in a penetrating manner, four adjusting holes 55 are formed in the outer surfaces of the four lifting rods 53, bolts 56 are arranged in the four fixing holes 54 in a threaded manner, supporting grooves 57 are fixedly arranged at the upper ends of the four lifting rods 53, and lightning-protection conductive frames 58 are fixedly arranged on the inner walls of the four supporting grooves 57 together; the rear part of the outer surface of the lightning conducting frame 58 is fixedly connected with the lead 9, and the bolt 56 is in threaded connection with the fixing hole 54 and the adjusting hole 55 so as to detachably connect the lifting rod 53 and the sleeve 52; through the lifter 53 and the four adjusting holes 55 that set up, conveniently adjust the height of lightning-arrest conducting frame 58, convenient nimble various environment of adaptation.

In this embodiment, the dust-proof device 7 includes an installation frame 71, a dust-proof net 72 is fixedly installed inside the installation frame 71, a plurality of bumps 73 are fixedly installed at the rear end of the installation frame 71, a plurality of slots are formed in the rear wall inside the protection box 1, two support rods 74 are fixedly installed at the rear portion of the left end and the rear portion of the right end of the installation frame 71, a fixed plate 75 is fixedly installed at one end of each of the four support rods 74 far away from the installation frame 71, and a sliding ball 76 is movably installed at one end of each of the four fixed plates 75 far away from the support rods 74; the plurality of bumps 73 are movably clamped with the rear wall in the protection box 1 through the plurality of clamping grooves, and the four sliding balls 76 are arranged in the slide ways 6 in a sliding manner; the mounting frame 71 is more stably fixed by the lug 73 and the clamping groove.

It should be noted that, the utility model relates to a lightning protection dry-type transformer, in the use, the lightning conduction frame 58 through setting accepts the thunder and lightning, and lead wire 9 and ground connection with the electric through lead wire and lead electrical pillar 10 and introduce the underground, when needs adjust the support height, through upwards pulling lifter 53 then correspond through adjusting hole 55 and fixed orifices 54 with lifter 53 surface, and fix with bolt 56, can adjust the height, when needing to dispel the heat, through two dust keeper 7 that set up, can avoid the dust to enter into protective box 1 through louvre 2 of protective box 1 left end and right-hand member, when the dust on the dust screen 72 is too much, through manual outside pulling installing frame 71, installing frame 71 slides along slide 6 outside through the smooth pearl 76 of left end and right-hand member, slide 6 the place ahead is provided with the baffle, avoid installing frame 71 wholly to drop out, when dust screen 72 is whole to expose, the staff can clear up it, can reset dust screen 72 through promoting installing frame 71 after clearing up.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a lightning protection dry-type transformer, includes guard box (1), its characterized in that: a plurality of louvre (2) have all been opened to guard box (1) left end lower part and right-hand member lower part, two chamber door (3), two are all opened on chamber door (3) front end upper portion through loose axle movable mounting to guard box (1) front end, the inside fixed mounting of guard box (1) has transformer body (8), there are two slides (6), four in left wall and the equal fixed mounting of interior right wall in guard box (1) common movable mounting has two dust keeper (7) between slide (6), guard box (1) upper end fixed mounting has lightning protection device (5), lightning protection device (5) surface rear portion fixed mounting has lead wire (9), lead wire (9) lower extreme fixed mounting has ground connection to lead electrical pillar (10).

2. The lightning protection dry transformer of claim 1, wherein: the two dustproof devices (7) correspond to the two heat dissipation holes (2) respectively in position.

3. The lightning protection dry transformer of claim 1, wherein: lightning protection device (5) include bottom plate (51), bottom plate (51) are provided with four, four the equal fixed mounting in bottom plate (51) upper end has sleeve (52), four fixed orifices (54) have all been opened on sleeve (52) surface upper portion, four movable mounting has lifter (53), four all interlude movable mounting in sleeve (52) inside lifter (53) surface has all opened four regulation holes (55), four equal threaded mounting has bolt (56) in fixed orifices (54), four lifter (53) upper end equal fixed mounting has support groove (57), four support groove (57) inner wall common fixed mounting has lightning-arrest electrically conductive frame (58).

4. A lightning protection dry transformer according to claim 3, characterized in that: the rear part of the outer surface of the lightning-protection conductive frame (58) is fixedly connected with a lead (9), and the bolt (56) is in threaded connection with the fixing hole (54) and the adjusting hole (55) to detachably connect the lifting rod (53) and the sleeve (52).

5. The lightning protection dry transformer of claim 1, wherein: dust keeper (7) are including installing frame (71), the inside fixed mounting of installing frame (71) has dust screen (72), installing frame (71) rear end fixed mounting has a plurality of lug (73), the back wall is opened in guard box (1) has a plurality of draw-in groove, the equal fixed mounting of installing frame (71) left end rear portion and right-hand member rear portion has two branch (74), four the equal fixed mounting in one end that installing frame (71) were kept away from in branch (74) has fixed plate (75), four the equal movable mounting in one end that branch (74) were kept away from in fixed plate (75) has smooth pearl (76).

6. The lightning protection dry transformer of claim 5, wherein: the plurality of the convex blocks (73) are movably clamped with the inner back wall of the protection box (1) through a plurality of clamping grooves, and the four sliding balls (76) are all slidably mounted in the slide ways (6).

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