CN217157867U

CN217157867U - Safety transformer for household electrical appliance

Info

Publication number: CN217157867U
Application number: CN202122368632.1U
Authority: CN
Inventors: 何冠杰
Original assignee: Foshan Shunde Benning Electronics Co ltd
Current assignee: Foshan Shunde Benning Electronics Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-08-09
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses a safe type household electrical appliance transformer belongs to the transformer technical field, which comprises a fixing plate, the upper end of fixed plate is provided with the shell, the upper end of shell is provided with the installing port all around, the centre of installing port is inserted and is dismantled dry box, be provided with the air exhauster in the middle of the upper end of shell, the top of air exhauster is provided with the dust screen, the utility model discloses set up and to dismantle dry box, pull up the iron closing cap and take out dry box body and change, after dry box body is changed, adsorb the iron closing cap through strong magnet piece 7 and fix, sealed sponge makes between iron closing cap and the shell sealed, avoids the dust to get into in the shell, improves the change efficiency, facilitates the use; the utility model discloses side setting at the shell is provided with the semiconductor refrigeration piece, and the refrigeration of semiconductor refrigeration piece produces air conditioning, makes the interior temperature reduction of shell, further improves the radiating efficiency, avoids the high temperature to influence life.

Description

Safety transformer for household electrical appliance

Technical Field

The utility model belongs to the technical field of the transformer, concretely relates to safe type domestic appliance transformer.

Background

A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like.

Chinese patent application No. 201620848069.4 discloses a safe type domestic appliance transformer, and it has dry box when using and dismantles the trouble, and unable change in time causes inside moisture heavy easily, influences the use, and the radiating mode is single simultaneously, influences the radiating efficiency.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a safe type domestic appliance transformer has dry box and changes the convenience, characteristics that the radiating effect is good.

In order to achieve the above purpose, the utility model provides a following technical scheme: a safe household appliance transformer comprises a fixed plate, wherein a shell is arranged at the upper end of the fixed plate, mounting ports are formed in the periphery of the upper end of the shell, a detachable drying box is inserted into the middle of each mounting port, an exhaust fan is arranged in the middle of the upper end of the shell, a dust screen is arranged above the exhaust fan, a controller is arranged on the side edge of the shell, an iron core is arranged in the middle of the inner part of the shell, a coil is arranged in the middle of the iron core, a sound wave insect repeller is arranged on one side of the iron core, and a temperature sensor is arranged on the other side of the iron core;

can dismantle dry box includes iron closing cap, sealed sponge and dry box body, wherein, the lower extreme of iron closing cap is provided with sealed sponge all around, be provided with dry box body in the middle of the lower extreme of iron closing cap.

Preferably, the drying box body corresponds to the mounting opening in size, and the upper end of the drying box body is in screw fastening connection with the iron sealing cover.

Preferably, the upper end of the shell is provided with strong magnet pieces 7 around the mounting opening, and the strong magnet pieces 7 correspond to the iron sealing cover in size.

Preferably, a groove is formed in the side edge of the shell, and a semiconductor refrigeration piece is arranged in the middle of the groove.

Preferably, the refrigeration end of the semiconductor refrigeration piece is located inside the shell, and the heating end of the semiconductor refrigeration piece is provided with a heat dissipation fin.

Preferably, it is fixed to bond between heat dissipation fin and the semiconductor refrigeration piece, the side of heat dissipation fin is parallel and level with the side of shell.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses set up and to dismantle the dry box, pull up the iron closing cap and take out the dry box body and change, after the dry box body is better changed, adsorb the iron closing cap through strong magnet piece 7 and fix, sealed sponge makes between iron closing cap and the shell sealed, avoids the dust to get into in the shell, improves and changes efficiency, facilitates the use;

2. the utility model discloses side setting at the shell is provided with the semiconductor refrigeration piece, and the refrigeration of semiconductor refrigeration piece produces air conditioning, makes the interior temperature reduction of shell, further improves the radiating efficiency, avoids the high temperature to influence life.

Drawings

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

FIG. 2 is a schematic view of the detachable drying box of the present invention;

fig. 3 is a cross-sectional view of the present invention;

in the figure: 1. a housing; 2. the drying box can be disassembled; 21. an iron cover; 22. sealing the sponge; 23. drying the box body; 3. a fixing plate; 4. a controller; 5. a dust screen; 6. an installation port; 7. a ferromagnetic sheet; 8. a semiconductor refrigeration sheet; 9. a heat dissipating fin; 10. an acoustic insect repellant apparatus; 11. an iron core; 12. a temperature sensor; 13. a groove; 14. a coil; 15. an exhaust fan.

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.

Example 1

Referring to fig. 1-3, the present invention provides the following technical solutions: a safe household appliance transformer comprises a fixed plate 3, wherein the upper end of the fixed plate 3 is provided with a shell 1, the periphery of the upper end of the shell 1 is provided with a mounting port 6, a detachable drying box 2 is inserted into the middle of the mounting port 6, an exhaust fan 15 is arranged in the middle of the upper end of the shell 1, a dust screen 5 is arranged above the exhaust fan 15, a controller 4 is arranged on the side edge of the shell 1, an iron core 11 is arranged in the middle of the inside of the shell 1, a coil 14 is arranged in the middle of the iron core 11, one side of the iron core 11 is provided with a sound wave insect repeller 10, and the other side of the iron core 11 is provided with a temperature sensor 12;

the detachable drying box 2 comprises an iron sealing cover 21, sealing sponge 22 and a drying box body 23, wherein the sealing sponge 22 is arranged around the lower end of the iron sealing cover 21, and the drying box body 23 is arranged in the middle of the lower end of the iron sealing cover 21.

Specifically, the drying box body 23 corresponds to the mounting opening 6 in size, the upper end of the drying box body 23 is in screw fastening connection with the iron sealing cover 21,

through adopting above-mentioned technical scheme, make things convenient for 23 quick replacements of dry box body, improve portability and stability.

Specifically, the upper end of the shell 1 is provided with strong magnet sheets 7 positioned around the mounting opening 6, the size of the strong magnet sheets 7 corresponds to that of the iron sealing cover 21,

through adopting above-mentioned technical scheme, adsorb iron closing cap 21 through strong magnet piece 7 and fix, sealed sponge 22 makes between iron closing cap 21 and the shell 1 sealed, avoids during the dust gets into shell 1, improves and changes efficiency.

When the household appliance transformer is used, the household appliance transformer is placed at a corresponding position, the household appliance transformer is fastened through screws, the iron core 11 and the coil 14 are matched for use to carry out voltage transformation, temperature induction is carried out in the shell 1 through the temperature sensor 12, air exhaust is carried out through the air exhaust fan 15, hot air in the shell 1 is exhausted outwards, the drying box body 23 is used for absorbing water vapor, long-time absorption is carried out, the drying effect is reduced, the iron sealing cover 21 is pulled upwards to be extracted out of the drying box body 23 for replacement, after the drying box body 23 is replaced, the iron sealing cover 21 is adsorbed through the strong magnet piece 7 for fixation, the sealing sponge 22 enables the iron sealing cover 21 and the shell 1 to be sealed, dust is prevented from entering the shell 1, the replacement efficiency is improved, and the use is convenient;

example 2

The present embodiment is different from embodiment 1 in that: a groove 13 is arranged on the side of the shell 1, a semiconductor refrigerating sheet 8 is arranged in the middle of the groove 13,

by adopting the technical scheme, the semiconductor refrigerating sheet 8 is used for refrigerating to generate cold air, so that the temperature in the shell 1 is reduced, and the heat dissipation efficiency is further improved.

Specifically, the refrigerating end of the semiconductor refrigerating sheet 8 is positioned in the shell 1, the heating end of the semiconductor refrigerating sheet 8 is provided with a heat dissipation fin 9,

by adopting the technical scheme, the heat dissipation efficiency of the heating end of the semiconductor refrigerating sheet 8 is improved, and potential safety hazards caused by overheating are avoided.

Specifically, the radiating fins 9 and the semiconductor chilling plates 8 are bonded and fixed, the side edges of the radiating fins 9 are flush with the side edges of the shell 1,

through adopting above-mentioned technical scheme, convenient fixed, and avoid the protrusion to cause the fish tail.

This embodiment sets up at the side of shell 1 and is provided with semiconductor refrigeration piece 8, and the refrigeration of semiconductor refrigeration piece 8 produces air conditioning, makes temperature reduction in the shell 1, further improves the radiating efficiency, avoids the high temperature to influence life.

The semiconductor refrigerating plate 8 in the utility model is the prior art, and the model selected for use is TEC 1-12706.

The utility model discloses the structure and the theory of use of well fixed plate 3, controller 4, sound wave insect repellant 10, iron core 11, temperature sensor 12 and air exhauster 15 have been disclosed in the safe type domestic appliance transformer that chinese patent application number is 201620848069.4 discloses.

The utility model discloses a theory of operation and use flow: the utility model discloses during the use, place the domestic appliance transformer in corresponding the position, through the screw-up,

iron core

11 and 14 cooperation uses and carries out the vary voltage, carry out temperature-sensing in the shell 1 through temperature sensor 12, air exhauster 15 carries out convulsions, make 1 inside hot-blast outer row of shell, the refrigeration of semiconductor refrigeration piece 8 produces air conditioning, make 1 interior temperature of shell reduce, further improve the radiating efficiency, dry box body 23 carries out the absorption of steam, adsorb for a long time, drying effect reduces, it takes dry box body 23 out to pull up iron closing cap 21 and change, dry box body 23 is better traded the back, adsorb iron closing cap 21 through strong magnet piece 7 and fix, sealed sponge 22 makes between iron closing cap 21 and the shell 1 sealed, avoid the dust to get into in the shell 1, improve the change efficiency, and convenient to use.

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. The utility model provides a safe type domestic appliance transformer, includes fixed plate (3), its characterized in that: a shell (1) is arranged at the upper end of the fixed plate (3), mounting ports (6) are formed in the periphery of the upper end of the shell (1), a detachable drying box (2) is inserted into the middle of the mounting port (6), an exhaust fan (15) is arranged in the middle of the upper end of the shell (1), a dust screen (5) is arranged above the exhaust fan (15), a controller (4) is arranged on the side edge of the shell (1), an iron core (11) is arranged in the middle of the inside of the shell (1), a coil (14) is arranged in the middle of the iron core (11), a sound wave insect repeller (10) is arranged on one side of the iron core (11), and a temperature sensor (12) is arranged on the other side of the iron core (11);

can dismantle dry box (2) including iron closing cap (21), sealed sponge (22) and dry box body (23), wherein, the lower extreme of iron closing cap (21) is provided with sealed sponge (22) all around, be provided with dry box body (23) in the middle of the lower extreme of iron closing cap (21).

2. A safety household appliance transformer according to claim 1, characterized in that: the drying box body (23) corresponds to the mounting opening (6) in size, and the upper end of the drying box body (23) is in screw fastening connection with the iron sealing cover (21).

3. A safety household appliance transformer according to claim 1, characterized in that: the magnet sealing device is characterized in that strong magnet pieces (7) are arranged on the periphery of the mounting opening (6) at the upper end of the shell (1), and the strong magnet pieces (7) correspond to the iron sealing cover (21) in size.

4. A safety household appliance transformer according to claim 1, characterized in that: the side of shell (1) is provided with recess (13), the centre of recess (13) is provided with semiconductor refrigeration piece (8).

5. A safety household appliance transformer according to claim 4, characterized in that: the refrigeration end of semiconductor refrigeration piece (8) is located the inside of shell (1), the end of heating of semiconductor refrigeration piece (8) is provided with heat dissipation fin (9).

6. A safety household appliance transformer according to claim 5, characterized in that: the heat dissipation fin (9) is fixedly bonded with the semiconductor refrigeration piece (8), and the side edge of the heat dissipation fin (9) is flush with the side edge of the shell (1).