CN217768090U

CN217768090U - Control transformer with effectively insulated interlayer winding

Info

Publication number: CN217768090U
Application number: CN202222570109.1U
Authority: CN
Inventors: 陈涛
Original assignee: Nantong Amili Automation Technology Co ltd
Current assignee: Nantong Amili Automation Technology Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2022-11-08
Anticipated expiration: 2032-09-28

Abstract

The utility model discloses an effective insulating control transformer of layer winding, include: the casing is this control transformer's main part, the fixed plate is installed to both sides around the casing, the iron core, and it passes through bottom plate fixed mounting and is in inside the casing, the groove of airing exhaust, it is seted up the casing right side, insulating varnished cloth, its fixed setting is in the iron core outside, the terminal box, it sets up through the screw fixation the casing left and right sides, the fan, it passes through support fixed mounting and is in the inslot side of airing exhaust compares with prior art, the beneficial effects of the utility model are that: this control transformer adopts insulating varnished cloth for as the insulating layer between the coil, with the effect that reaches the effective insulation of layer winding, adopts the fan simultaneously, and be equipped with fan power and temperature sensor, can dispel the heat to control transformer inside, when can preventing seriously to generate heat, also can increase insulating material's life, thereby replace current control transformer.

Description

Control transformer with effectively insulated interlayer winding

Technical Field

The utility model relates to a control transformer technical field specifically is an effectively insulating control transformer of layer winding.

Background

The control transformer is a small dry-type transformer, can conveniently obtain proper voltage, is often used as a local lighting power supply, a signal lamp or an indicator lamp power supply, and is used as a control circuit power supply in electrical equipment; in the prior art, when a commonly used control transformer works, a coil may be subjected to some complex factors such as thermal stress, electromagnetic force and the like, and the interlayer insulation capacity of the coil may be poor, so that the transformer may work abnormally, and the transformer may heat seriously when working for a long time or the load exceeds the rated power, and the insulation effect of an insulation material may be reduced.

As in application No. 201320540441.1; the utility model discloses a control transformer, including shell rest, a plurality of terminal, coil assembly, the terminal sets up on the shell rest, the terminal includes input terminal and output terminal, be equipped with the wiring board in the casing, the wiring board both ends are equipped with a plurality of sheetmetal that corresponds with terminal quantity, the terminal is connected with the sheetmetal electricity, wiring board one end bottom is equipped with the brush that corresponds with input terminal quantity, the brush is connected with the sheetmetal electricity, the distribution of brush height difference is on a coil of coil assembly, wiring board one end bottom is equipped with hemisphere metal shrapnel, hemisphere metal shrapnel is connected with the sheetmetal, hemisphere metal shrapnel is connected with another coil electricity in the coil assembly, coil assembly can dismantle with the casing and be connected. The utility model discloses a control transformer, energy-concerving and environment-protective can dismantle at will, can change the vary voltage range at will.

The control transformer has the following defects at present:

when the control transformer works, the coil can possibly cause the capacity of an insulating material on the surface of the coil to be reduced due to the action of some complex factors such as thermal stress, electromagnetic force and the like, so that the effective insulativity of an interlayer winding is reduced, and the working abnormality of the transformer can be caused; furthermore, the control transformer generates heat seriously when it is operated for a long time or its load exceeds a rated power, so that the insulating effect of the insulating material is easily lowered.

In view of the above, the present invention provides a control transformer with effectively insulated interlayer windings, which is developed and improved in view of the existing structure and defects, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an effectively insulating control transformer of interlaminar winding to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a control transformer with efficient insulation of the interlayer winding, comprising:

the shell is a main body part of the control transformer, the front side and the rear side of the bottom end surface of the shell are respectively provided with a fixed plate, and the fixed plates are fastened with the shell by adopting bolts;

the iron core is fixedly arranged inside the shell through a bottom plate;

the air exhaust groove is formed in the right side of the shell;

the mounting holes are formed in the surface of the fixing plate, are formed in the outer surface of the fixing plate, and are provided with four groups;

the coil is wound on the outer side of the iron core, and the coil is electrically connected with the iron core;

and the insulating varnished cloth is fixedly arranged on the outer side of the iron core and is positioned on the outer side of the coil.

Preferably, the housing further comprises:

the junction boxes are fixedly arranged on the left side and the right side of the shell through screws, and two groups of the junction boxes are arranged above the fixing plate;

and the temperature sensor is fixedly installed inside the shell through screws, and the operating temperature inside the transformer is detected and controlled through the temperature sensor.

Preferably, the junction box further comprises:

the binding posts are fixedly arranged above the junction box by bolts, the binding posts are positioned above the junction box, and the binding posts 3 are provided with a plurality of groups;

the transparent cover is fixedly arranged above the junction box through a buckle, and the transparent cover is connected with the junction box in a rotating mode.

Preferably, the exhaust duct further comprises:

the fan power supply is fixedly arranged on the inner side of the exhaust groove through screws, and the fan power supply is electrically connected with the temperature sensor;

the fan is fixedly installed on the inner side of the air exhaust groove through a support, the fan power supply is located on the left side of the fan, and the fan is electrically connected with the fan power supply in a connecting mode.

Compared with the prior art, the beneficial effects of the utility model are that: this control transformer adopts insulating varnished cloth for as the insulating layer between the coil, with the effect that reaches the effective insulation of layer winding, adopts the fan simultaneously, and be equipped with fan power and temperature sensor, can dispel the heat to control transformer inside, when can preventing seriously to generate heat, also can increase insulating material's life, thereby replace current control transformer.

1. Through insulating varnished cloth, traditional control transformer can be because of the effect of some complex factors such as thermal stress, electromagnetic force, can't accomplish the effective insulation of layer winding, and the transformer can produce unusually at the during operation, adopts insulating varnished cloth to add an insulating layer for between the coil now to increase the insulating ability of interlaminar winding, effectively prevent the transformer because of the work abnormity that the insulating problem of layer winding leads to.

2. Utilize fan, fan power and temperature sensor, fan power can drive the fan and rotate, detect the inside temperature of transformer through temperature sensor, when inside reaches the uniform temperature, give fan power with signal transmission this moment, start the fan immediately, dispel the heat, compare in traditional control transformer, effectively prevent that the transformer from reducing insulating material's life and insulating ability because of inside high temperature.

Drawings

FIG. 1 is a schematic side view of the present invention;

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

FIG. 3 is a schematic side sectional view of the present invention;

fig. 4 is a partial enlarged view of the present invention.

In the figure: 1. a housing; 2. a fixing plate; 3. a binding post; 4. a transparent cover; 5. mounting holes; 6. insulating varnished cloth; 7. a coil; 8. a fan power supply; 9. a fan; 10. a temperature sensor; 11. an exhaust duct; 12. a junction box; 13. and (3) an iron core.

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.

As shown in fig. 1-4; the shell 1 is a main body part of the control transformer, the front side and the rear side of the bottom end face of the shell 1 are respectively provided with the fixed plate 2, the fixed plates 2 are fastened with the shell 1 by bolts, the stability of the installation of the shell 1 is ensured by the fixed plates 2, and the occurrence of accidents such as toppling of the shell 1 caused by external force is reduced; an iron core 13 fixedly installed inside the case 1 through a bottom plate; and an exhaust duct 11 provided on the right side of the casing 1. The fixing plate 2 further includes: mounting hole 5, it sets up on fixed plate 2 surfaces, and mounting hole 5 is located the surface of fixed plate 2, and mounting hole 5 has seted up four groups, utilizes mounting hole 5 to adopt bolt etc. to carry out fixed mounting with control transformer, and iron core 13 is still including: the coil 7 is wound on the outer side of the iron core 13, and the coil 7 is electrically connected with the iron core 13; insulating varnished cloth 6, it is fixed to be set up in the iron core 13 outside, insulating varnished cloth 6 is located the coil 7 outside, through insulating varnished cloth 6, traditional control transformer is probably because of thermal stress at the during operation, the effect of some complex factors such as electromagnetic force, can't accomplish the effective insulation of layer winding, the transformer is probably unusual at the during operation, now adopt insulating varnished cloth 6 to add one insulating layer between coil 7, with the insulating ability who increases layer winding, compare in traditional control transformer, the work anomaly that the transformer leads to because of layer winding insulation problem has effectively been prevented. The housing 1 further comprises: junction boxes 12 which are fixedly arranged at the left side and the right side of the shell 1 through screws, wherein the junction boxes 12 are positioned above the fixing plate 2; and a temperature sensor 10 fixedly mounted inside the housing 1 by screws. The junction box 12 further includes: the wiring terminals 3 are fixedly arranged above the junction box 12 by adopting bolts, the wiring terminals 3 are positioned above the junction box 12, and the wiring terminals 3 are provided with a plurality of groups; the transparent cover 4 is fixedly arranged above the junction box 12 through a buckle, and the transparent cover 4 is connected with the junction box 12 in a rotating mode. Exhaust duct 11 also includes: the fan power supply 8 is fixedly arranged on the inner side of the exhaust groove 11 through screws, and the fan power supply 8 is electrically connected with the temperature sensor 10; the fan 9 is fixedly installed on the inner side of the exhaust groove 11 through a support, the fan power supply 8 is located on the left side of the fan 9, the fan 9 is electrically connected with the fan power supply 8, and by adopting the fan 9, the fan power supply 8 and the temperature sensor 10, the traditional control transformer can seriously generate heat due to long-time work or load exceeding rated power, so that the insulation effect of an insulation material is reduced, the temperature sensor 10 is adopted to detect the internal temperature at present, when the internal temperature reaches a certain temperature, a signal is transmitted to the fan power supply 8, and then the fan power supply 8 drives the fan 9 to rotate for heat dissipation, so that compared with the traditional control transformer, the service life and the insulation effect of the insulation material are effectively prevented from being reduced due to overhigh internal temperature; compared with the prior art, the beneficial effects of the utility model are that: this control transformer adopts insulating varnished cloth 6 for as the insulating layer between the coil 7, with the effect that reaches the effective insulation of layer winding, adopts fan 9 simultaneously, and be equipped with fan power supply 8 and temperature sensor 10, can dispel the heat and the temperature measurement to control transformer inside, when can prevent seriously generating heat, also can increase insulating material's life, thereby replace current control transformer.

In summary, the following steps: the control transformer is characterized in that a shell 1 serves as a main body part, the control transformer is installed at a proper position through an installation hole 5 in a fixing plate 2, a coil 7 is led into the shell 1 through a binding post 3 on a junction box 12, then the coil 7 is wound on the outer side of an iron core 13, the binding post 3 is protected through a transparent cover 4, an insulating varnished cloth 6 is adopted as an insulating layer between the coils 7, the effect of effective insulation of an interlayer winding can be achieved, compared with a traditional control transformer, the phenomenon that the transformer works abnormally due to the insulation problem of the interlayer winding is effectively prevented, a temperature sensor 10 is used for detecting the temperature inside the control transformer, a fan power supply 8 is used for driving a fan 9, if the temperature sensor 10 detects that the inside of the control transformer reaches a certain temperature, signals are immediately transmitted to the fan power supply 8, then the fan power supply 8 drives the fan 9 for heat dissipation, and compared with the traditional control transformer, the problem that the service life and the insulation capacity of an insulating material are reduced due to overhigh internal temperature of the transformer is effectively prevented.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A control transformer with effective insulation of the interlayer winding, comprising:

the shell (1) is a main body part of the control transformer, the front side and the rear side of the bottom end face of the shell (1) are provided with fixing plates (2), and the fixing plates (2) are fastened with the shell (1) through bolts;

an iron core (13) fixedly mounted inside the housing (1) through a bottom plate;

an exhaust duct (11) provided on the right side of the casing (1);

the mounting holes (5) are formed in the surface of the fixing plate (2), the mounting holes (5) are located on the outer surface of the fixing plate (2), and four groups of the mounting holes (5) are formed;

the coil (7) is wound on the outer side of the iron core (13), and the coil (7) is electrically connected with the iron core (13);

and the insulating varnished cloth (6) is fixedly arranged on the outer side of the iron core (13), and the insulating varnished cloth (6) is positioned on the outer side of the coil (7).

2. Control transformer with efficient insulation of the interlayer windings according to claim 1, characterized in that said casing (1) further comprises:

the junction boxes (12) are fixedly arranged at the left side and the right side of the shell (1) through screws, and the junction boxes (12) are positioned above the fixing plate (2);

and the temperature sensor (10) is fixedly installed inside the shell (1) through screws, and the operating temperature inside the control transformer is detected through the temperature sensor (10).

3. Control transformer with effective insulation of the interlayer winding according to claim 2, characterized in that said junction box (12) further comprises:

the wiring terminals (3) are fixedly arranged above the junction box (12) by bolts, the wiring terminals (3) are positioned above the junction box (12), and a plurality of groups of wiring terminals (3) are arranged;

the transparent cover (4) is fixedly installed above the junction box (12) through a buckle, and the transparent cover (4) is connected with the junction box (12) in a rotating mode.

4. An interwinding-efficient insulation control transformer according to claim 3, characterized in that the air-bleed duct (11) further comprises:

the fan power supply (8) is fixedly arranged on the inner side of the exhaust groove (11) through screws, and the fan power supply (8) is electrically connected with the temperature sensor (10);

the fan (9) is fixedly installed on the inner side of the exhaust groove (11) through a support, the fan power supply (8) is located on the left side of the fan (9), and the fan (9) is electrically connected with the fan power supply (8).