CN206293245U - A kind of novel transformer with creepage protection function - Google Patents

Abstract

The utility model discloses a novel transformer with leakage protection function, which comprises a protective shell, a cooling end, a transformer, an iron core, a primary coil, a power inlet, a secondary coil, a power failure protection device, a power outlet, a vent, Connecting blocks, through holes, cooling holes, heat sinks, heat conducting rods, cooling fins, cooling fins, microcontrollers and sensitive control switches. The beneficial effects of the utility model are: the heat dissipation end can effectively dissipate the heat generated by the transformer through various internal parts, and there are cooling holes on the top to cooperate with heat dissipation, and the ventilation opening on the protective shell further improves The heat dissipation efficiency of the overall work, the connection block on the protective shell and the through hole on the connection block can be used to cooperate with bolts or screws to easily fix the entire transformer on the wall or board, and the leakage protection device can detect the voltage when there is leakage After the signal is received and processed by the single-chip microcomputer, the sensitive control switch is adjusted in time for disconnection protection.

Description

A New Transformer with Leakage Protection Function

technical field

The utility model relates to a transformer, in particular to a novel transformer with leakage protection function, and belongs to the technical field of electric equipment application.

Background technique

Transformer is a device that uses the principle of electromagnetic induction to change AC voltage. The main components are primary coil, secondary coil and iron core. Its main functions are: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer ), etc., can be divided into power transformers, instrument transformers, test transformers and special transformers according to their uses, so transformers are widely used in factories, power plants, power supply stations, distribution stations and other different occasions. However, the current transformer itself lacks some fixed structures, and the ventilation and heat dissipation effect during use is relatively poor, so that the overall temperature of the transformer cannot be dissipated in time, and the leakage protection cannot be performed when leakage occurs, which reduces the service life. Therefore, in view of the above problems A new transformer with leakage protection function is proposed.

Utility model content

The purpose of this utility model is to provide a novel transformer with leakage protection function in order to solve the above problems.

The utility model achieves the above object through the following technical solutions, a novel transformer with leakage protection function, including a protective case, the inside of the protective case is provided with a transformer; the inside of the transformer is provided with an iron core; the iron core One end of the primary coil is wound around the primary coil; the primary coil is connected to the power inlet; one side of the primary coil is a secondary coil wound around the iron core; the secondary coil is connected to a leakage protection device; the leakage protection device passes through a wire Connect to the electricity outlet; one side of the leakage protection device is a heat dissipation end located at the upper end of the transformer; a heat absorption sheet is arranged in the heat dissipation end; a heat conduction rod is arranged at one end of the heat absorption sheet; the heat conduction rod One side of the heat sink is provided with a cooling fin; one end of the cooling fin is provided with a cooling fin.

Preferably, the leakage protection device is composed of a single-chip microcomputer and a sensitive control switch, and the single-chip microcomputer and the sensitive control switch are electrically connected through wires.

Preferably, a vent is provided on one side of the protective case.

Preferably, a connection block is provided on the protective case, and a through hole is opened on the connection block.

Preferably, the top of the heat dissipation end is provided with heat dissipation holes.

Preferably, the protective shell is made of fireproof material, and the protective shell is insulating.

The beneficial effects of the utility model are: the heat dissipation end can effectively dissipate the heat generated by the transformer through various internal parts, and there are cooling holes on the top to cooperate with heat dissipation, and the ventilation opening on the protective shell further improves The heat dissipation efficiency of the overall work, the connection block on the protective shell and the through hole on the connection block can be used to cooperate with bolts or screws to easily fix the entire transformer on the wall or board, and the leakage protection device can detect the voltage when there is leakage After the signal is received and processed by the single-chip microcomputer, the sensitive control switch is adjusted in time for disconnection protection. The shell of this new type of transformer with leakage protection function has the characteristics of fire prevention and insulation, which can protect itself and protect the safety of life, and it is fastened firmly. Firm and durable, each component is connected flexibly.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is the structural representation of the leakage protection device of the present utility model;

Fig. 3 is the left schematic diagram of the protective case of the present invention;

Fig. 4 is a schematic top view of the heat dissipation end of the present invention.

In the figure: 1. Protective shell; 2. Heat dissipation end; 3. Transformer; 4. Iron core; 5. Primary coil; 6. Power inlet; 7. Secondary coil; 8. Leakage protection device; 9. Power outlet ; 10, air vent; 11, connection block; 12, through hole; 13, cooling hole; 201, heat absorbing sheet; 202, heat conducting rod; 203, cooling fin; control switch.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-4, a new transformer with leakage protection function, including a protective case 1, a transformer 3 is arranged inside the protective case 1; an iron core 4 is arranged inside the transformer 3; one end of the iron core 4 is wound The primary coil 5; the primary coil 5 is connected to the power inlet 6; one side of the primary coil 5 is the secondary coil 7 wound around the iron core 4; the secondary coil 7 is connected to the leakage protection device 8; the leakage protection device 8 is connected to the power outlet through a wire 9. One side of the leakage protection device 8 is the heat dissipation end 2 located at the upper end of the transformer 3; a heat absorption sheet 201 is arranged in the heat dissipation end 2; a heat conduction rod 202 is provided at one end of the heat absorption sheet 201; Heat sink 203 ; one end of the heat sink 203 is provided with a heat dissipation fin 204 .

The leakage protection device 8 is composed of a single-chip microcomputer 801 and a sensitive control switch 802, and the single-chip microcomputer 801 and the sensitive control switch 802 are electrically connected by wires to protect the entire circuit; one side of the protective shell 1 is provided with a vent 10, which is conducive to ventilation Heat dissipation; the protective shell 1 is provided with a connection block 11, and the connection block 11 is provided with a through hole 12 for connection with the wall; the top of the heat dissipation end 2 is provided with a heat dissipation hole 13, which cooperates with the heat dissipation end for heat dissipation; the protective shell 1 is made of fireproof materials, and the protective shell 1 has insulation properties, which can not only prevent fire but also protect people's safety.

First, connect the whole transformer shell to the wall through the connection block 11 and the through holes 12 on the connection block 11 and bolts or screws, then insert the power supply through the power inlet 6, and connect the electrical equipment through the power outlet 9, Under normal circumstances, the current will be exported through the primary coil 5, the iron core 4, the secondary coil 7, the leakage protection device 8 and the power outlet 9, and the heat dissipation of the cooling terminal 2 is normal, but when the leakage occurs, the voltage will change, which means , the single-chip microcomputer 801 inside the leakage protection device 8 will receive this signal and timely control the sensitive control switch 802 to disconnect the circuit for protection.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. A new type of transformer with leakage protection function, including a protective shell (1), characterized in that: the inside of the protective shell (1) is provided with a transformer (3); the inside of the transformer (3) is provided with an iron core (4); one end of the iron core (4) is wound with the primary coil (5); the primary coil (5) is connected to the power inlet (6); one side of the primary coil (5) is wound with the The secondary coil (7) of the iron core (4); the secondary coil (7) is connected to the leakage protection device (8); the leakage protection device (8) is connected to the outlet (9) through a wire; the leakage One side of the protection device (8) is the heat dissipation end (2) located at the upper end of the transformer (3); the heat dissipation end (2) is provided with a heat absorption sheet (201); the heat absorption sheet (201) One end is provided with a heat conduction rod (202); one side of the heat conduction rod (202) is provided with a heat sink (203); one end of the heat sink (203) is provided with a heat dissipation fin (204). 2. A new transformer with leakage protection function according to claim 1, characterized in that: the leakage protection device (8) is composed of a single-chip microcomputer (801) and a sensitive control switch (802), and the single-chip microcomputer ( 801) and the sensitive control switch (802) are electrically connected through wires. 3. A novel transformer with leakage protection function according to claim 1, characterized in that: one side of the protective shell (1) is provided with a vent (10). 4. A new transformer with leakage protection function according to claim 1, characterized in that: the protective case (1) is provided with a connection block (11), and the connection block (11) is opened with through holes (12). 5. A novel transformer with leakage protection function according to claim 1, characterized in that: the top of the heat dissipation end (2) is provided with a heat dissipation hole (13). 6. A novel transformer with leakage protection function according to claim 1, characterized in that: the protective shell (1) is made of fireproof material, and the protective shell (1) is insulating.