CN214705653U

CN214705653U - Special current transformer for miniaturized solid insulation cabinet

Info

Publication number: CN214705653U
Application number: CN202120510281.0U
Authority: CN
Inventors: 肖福传; 肖传喜; 舒明顺
Original assignee: Dalian Heyuan Electronics Co ltd
Current assignee: Dalian Heyuan Electronics Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-11-12
Anticipated expiration: 2031-03-10

Abstract

The utility model relates to the technical field of current transformers, in particular to a special current transformer for a miniaturized solid insulation cabinet, which discharges heat generated when the current transformer operates through two groups of heat dissipation plates, diffuses the heat to the surface of a radiator, and then opens a semiconductor refrigeration plate to refrigerate the radiator, so that the radiator is cooled, the heat dissipation of the current transformer is convenient, and the service life of the current transformer is prolonged; including shell, base, current transformer, first backup pad, second backup pad, anodal wiring end, negative pole wiring end, two sets of fixing bolt, two sets of heating panels, radiator and semiconductor refrigeration board, the bottom of shell is connected with the top of base, and current transformer's bottom is connected with the top of base through first backup pad and second backup pad to current transformer's inside is provided with iron core and coil, and shell and current transformer's middle part all is provided with the perforation.

Description

Special current transformer for miniaturized solid insulation cabinet

Technical Field

The utility model relates to a current transformer's technical field especially relates to a miniaturized special current transformer of solid insulated cabinet.

Background

The current transformer principle is based on the electromagnetic induction principle. The current transformer is composed of a closed iron core and a winding. The primary winding of the current transformer has few turns and is connected in series in a circuit of current to be measured, so that all current of the circuit always flows through the current transformer, the secondary winding has more turns and is connected in series in a measuring instrument and a protection circuit, and the secondary circuit of the current transformer is always closed when the current transformer works, so that the impedance of a series coil of the measuring instrument and the protection circuit is very small, and the working state of the current transformer is close to short circuit.

The existing current transformer is simple in structure, the winding coil inside the current transformer can generate high heat due to long-time operation of the current transformer, the surface of the existing current transformer is of a sealing structure, the heat is difficult to discharge, the coil is easy to age at high temperature for a long time, the service life of the current transformer is short, and therefore the existing current transformer needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a heat discharge that produces when moving current transformer through two sets of heating panels to spread to the surface of radiator, later open the semiconductor refrigeration board and refrigerate the radiator, make the radiator cooling, conveniently dispel the heat to current transformer, thereby improve current transformer's life's a miniaturized special current transformer for solid insulated cabinet.

The utility model discloses a special current transformer of miniaturized solid insulated cabinet, which comprises a shell, a base, a current transformer, a first supporting plate, a second supporting plate, a positive terminal, a negative terminal, two sets of fixing bolts, two sets of heating panels, a radiator and a semiconductor refrigeration plate, wherein the bottom end of the shell is connected with the top end of the base, the bottom end of the current transformer is connected with the top end of the base through the first supporting plate and the second supporting plate, an iron core and a coil are arranged in the current transformer, the middle parts of the shell and the current transformer are both provided with a perforation, the bottom ends of the positive terminal and the negative terminal are both connected with the top end of the current transformer, the top ends of the positive terminal and the negative terminal are both penetrated through the top end of the shell, the bottom ends of the two sets of fixing bolts are respectively connected with the top ends of the positive terminal and the negative terminal by screw threads, and the top ends of the two sets of the heating panels are both inserted into the inside of the current transformer, the top of radiator is connected with the bottom of two sets of heating panels, and the top of semiconductor refrigeration board is connected with the bottom of radiator.

The utility model discloses a miniaturized special current transformer of solid insulated cabinet still includes the exhaust fan, and the right-hand member of shell is provided with the air inlet, and the side of exhaust fan is connected with the left end of shell.

The utility model discloses a miniaturized special current transformer of solid insulated cabinet still includes the filter screen, and the side of filter screen is connected with the right-hand member of shell to the filter screen shelters from the air inlet of shell.

The utility model discloses a miniaturized special current transformer of solid insulated cabinet still includes the multiunit water absorption plate, and the side of multiunit water absorption plate all is connected with the inner wall of shell.

The utility model discloses a miniaturized special current transformer of solid insulated cabinet, the top of base is provided with first fixed orifices, second fixed orifices, third fixed orifices and fourth fixed orifices.

The utility model discloses a miniaturized special current transformer of solid insulated cabinet, two sets of heating panels are made by the copper product material.

Compared with the prior art, the beneficial effects of the utility model are that: the heat generated when the current transformer operates is discharged through the two groups of heat dissipation plates and diffused to the surface of the radiator, then the semiconductor refrigeration plate is opened to refrigerate the radiator, so that the radiator is cooled, the current transformer is conveniently cooled, and the service life of the current transformer is prolonged.

Drawings

Fig. 1 is a schematic front sectional view of the present invention;

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

FIG. 3 is a schematic view of the enlarged top view of the base of the present invention;

FIG. 4 is a schematic view of the front view section of the present invention;

in the drawings, the reference numbers: 1. a housing; 2. a base; 3. a current transformer; 4. a first support plate; 5. a second support plate; 6. a positive terminal; 7. a negative terminal; 8. fixing the bolt; 9. A heat dissipation plate; 10. a heat sink; 11. a semiconductor refrigeration plate; 12. perforating; 13. an exhaust fan; 14. An air inlet; 15. filtering with a screen; 16. a water absorption plate; 17. a first fixing hole; 18. a second fixing hole; 19. a third fixing hole; 20. and a fourth fixing hole.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the current transformer special for miniaturized solid insulated cabinets of the present invention comprises a housing 1, a base 2, a current transformer 3, a first supporting plate 4, a second supporting plate 5, a positive terminal 6, a negative terminal 7, two sets of fixing bolts 8, two sets of heat dissipation plates 9, a heat sink 10 and a semiconductor refrigeration plate 11, wherein the bottom end of the housing 1 is connected with the top end of the base 2, the bottom end of the current transformer 3 is connected with the top end of the base 2 through the first supporting plate 4 and the second supporting plate 5, an iron core and a coil are arranged inside the current transformer 3, the middle portions of the housing 1 and the current transformer 3 are provided with through holes 12, the bottom ends of the positive terminal 6 and the negative terminal 7 are connected with the top end of the current transformer 3, the top ends of the positive terminal 6 and the negative terminal 7 penetrate the top end of the housing 1, the bottom ends of the two groups of fixing bolts 8 are respectively in threaded connection with the top ends of the positive wiring terminal 6 and the negative wiring terminal 7, the top ends of the two groups of heat dissipation plates 9 extend into the current transformer 3 from the bottom end of the current transformer 3, the top end of the radiator 10 is connected with the bottom ends of the two groups of heat dissipation plates 9, and the top end of the semiconductor refrigeration plate 11 is connected with the bottom end of the radiator 10; the heat generated when the current transformer 3 operates is discharged through the two groups of heat dissipation plates 9 and is diffused to the surface of the radiator 10, then the semiconductor refrigeration plate 11 is opened to refrigerate the radiator 10, so that the radiator 10 is cooled, the current transformer 3 is conveniently cooled, and the service life of the current transformer is prolonged.

The utility model discloses a special current transformer for a miniaturized solid insulation cabinet, which also comprises an exhaust fan 13, wherein the right end of the shell 1 is provided with an air inlet, and the side end of the exhaust fan 13 is connected with the left end of the shell 1; when semiconductor refrigeration board 11 is cooled down radiator 10, can produce more steam, through opening exhaust fan 13, discharge the steam in shell 1, simultaneously with the inside of air escape to shell 1 through the air inlet of shell 1 to improve the aridity in the shell 1.

The utility model discloses a special current transformer for a miniaturized solid insulation cabinet, which also comprises a filter screen 15, wherein the side end of the filter screen 15 is connected with the right end of the shell 1, and the filter screen 15 shields the air inlet of the shell 1; through setting up filter screen 15, filter the air that enters into in the shell 1, reduce the dust that enters into in the shell 1 to improve current transformer's dustproof effect.

The utility model discloses a special current transformer for a miniaturized solid insulation cabinet, which also comprises a plurality of groups of water absorption plates 16, wherein the side ends of the groups of water absorption plates 16 are all connected with the inner wall of the shell 1; the water in the air in the casing 1 is adsorbed by the plurality of sets of water absorbing plates 16, thereby improving the dryness of the inside of the casing 1.

The utility model discloses a special current transformer for a miniaturized solid insulation cabinet, wherein the top end of a base 2 is provided with a first fixing hole 17, a second fixing hole 18, a third fixing hole 19 and a fourth fixing hole 20; through setting up first fixed orifices 17, second fixed orifices 18, third fixed orifices 19 and fourth fixed orifices 20, conveniently be fixed in current transformer on the working face to improve current transformer's stability.

In the current transformer special for the miniaturized solid insulation cabinet, the two groups of the heat dissipation plates 9 are made of copper materials; two groups of heat dissipation plates 9 are made of copper materials, and the heat conductivity of the two groups of heat dissipation plates 9 is increased, so that the heat dissipation effect of the current transformer is improved.

The utility model discloses a special current transformer of miniaturized solid insulated cabinet, it is at the during operation, at first through the heat that produces when two sets of heating panels 9 with current transformer 3 moves discharge, and spread to the surface of radiator 10, later open semiconductor refrigeration board 11 and refrigerate radiator 10, make radiator 10 cool down, the convenience dispels the heat to current transformer 3, then open exhaust fan 13, discharge the steam in shell 1, filter the back through filter screen 15 simultaneously, by shell 1's air inlet with the air discharge to shell 1's inside can.

The utility model discloses a special current transformer for a miniaturized solid insulation cabinet, the installation mode, the connection mode or the setting mode of which are common mechanical modes, and the current transformer can be implemented as long as the beneficial effects can be achieved; the utility model discloses a miniaturized special current transformer of solid insulated cabinet's current transformer 3 and exhaust fan 13 for purchase on the market, this industry technical staff only need according to its subsidiary service instruction install and operate can.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A special current transformer for a miniaturized solid insulation cabinet is characterized by comprising a shell (1), a base (2), a current transformer (3), a first supporting plate (4), a second supporting plate (5), a positive terminal (6), a negative terminal (7), two groups of fixing bolts (8), two groups of heat dissipation plates (9), a radiator (10) and a semiconductor refrigeration plate (11), wherein the bottom end of the shell (1) is connected with the top end of the base (2), the bottom end of the current transformer (3) is connected with the top end of the base (2) through the first supporting plate (4) and the second supporting plate (5), an iron core and a coil are arranged inside the current transformer (3), through holes (12) are formed in the middle parts of the shell (1) and the current transformer (3), and the bottom ends of the positive terminal (6) and the negative terminal (7) are connected with the top end of the current transformer (3), the top of shell (1) is all run through on the top of anodal wiring end (6) and negative terminal (7), the bottom of two sets of fixing bolt (8) respectively with the top threaded connection of anodal wiring end (6) and negative terminal (7), the top of two sets of heating panel (9) stretches into the inside to current transformer (3) by the bottom of current transformer (3), the top of radiator (10) is connected with the bottom of two sets of heating panel (9), the top of semiconductor refrigeration board (11) is connected with the bottom of radiator (10).

2. The current transformer special for the miniaturized solid insulation cabinet as claimed in claim 1, further comprising an exhaust fan (13), wherein the right end of the housing (1) is provided with an air inlet, and the side end of the exhaust fan (13) is connected with the left end of the housing (1).

3. The current transformer special for the miniaturized solid insulated cabinet according to claim 2, characterized in that it further comprises a filter screen (15), the side end of the filter screen (15) is connected with the right end of the outer shell (1), and the filter screen (15) shields the air inlet of the outer shell (1).

4. The current transformer special for the miniaturized solid insulated cabinet according to claim 1, characterized by further comprising a plurality of groups of water absorption plates (16), wherein the side ends of the plurality of groups of water absorption plates (16) are connected with the inner wall of the shell (1).

5. The current transformer special for the miniaturized solid insulated cabinet as claimed in claim 1, wherein the top end of the base (2) is provided with a first fixing hole (17), a second fixing hole (18), a third fixing hole (19) and a fourth fixing hole (20).

6. The current transformer for the miniaturized solid insulated cabinet as claimed in claim 1, wherein the two sets of heat dissipation plates (9) are made of copper material.