CN217214349U

CN217214349U - Short-circuit-proof miniature transformer

Info

Publication number: CN217214349U
Application number: CN202220720539.4U
Authority: CN
Inventors: 王平
Original assignee: Nanjing Huaweida Electronic Technology Co Ltd
Current assignee: Nanjing Huaweida Electronic Technology Co Ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-08-16
Anticipated expiration: 2032-03-30

Abstract

The utility model discloses a short-circuit prevention miniature transformer, which comprises a shell and a fixed plate, wherein a heat conducting plate is arranged at the top of the shell; a drying layer is arranged inside the inner wall of the shell; the bottom of casing has the fixed plate through the screw mounting, two sets of input pins are installed to the bottom of fixed plate. The utility model discloses a dry layer is installed to the casing, and dry layer adopts the filling of montmorillonite tiny particle to make, has good hydrophilicity, and after the inside of steam entering casing in the external environment, the montmorillonite granule in the dry layer can absorb steam, prevents that steam and the inside electrical component of casing from contacting, takes place the short circuit and improves the device security.

Description

Short-circuit-proof miniature transformer

Technical Field

The utility model relates to a miniature transformer technical field specifically is a prevent short circuit miniature transformer.

Background

With the continuous development of modern society and the continuous improvement of economic level, domestic electrical equipment processing industry is also continuously developed, and in the existing electrical equipment industry, a transformer is used as a common electrical equipment component, and the main function of the transformer is to change the voltage transmitted to the interior of the transformer through an internal magnetic excitation coil and output the voltage after voltage transformation to external equipment so as to supply different electrical equipment for use.

The defects of the small and medium-sized transformer in the prior art are as follows:

1. patent document CN205303150U discloses a portable miniature transformer, "including shell and miniature transformer, the top of shell is provided with the top cap, the top of top cap is provided with portable handle, miniature transformer fixed mounting is in the inside left side below of shell, miniature transformer's right side is provided with the battery, the top of battery is provided with GPS positioner, GPS positioner's right side is provided with earth-leakage protection device, earth-leakage protection device's top is provided with the toolbox, the last low voltage winding that is provided with of miniature transformer, be provided with high voltage winding on the low voltage winding, high voltage winding's below is provided with the miniature transformer fixed plate. Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a portable miniature transformer, simple structure, convenient to use can use in complicated operational environment such as field, are provided with earth leakage protection device and prevent that personnel from receiving the waste that can also practice thrift the electric quantity when the electric shock injury, and this miniature transformer, because of it lacks dry auxiliary component, causes in the device use, often inside steam admission gear, causes the inside electrical components short circuit of device, causes the device to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent short circuit miniature transformer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a short circuit prevention miniature transformer comprises a shell and a fixing plate, wherein a heat conducting plate is installed at the top of the shell;

a drying layer is arranged inside the inner wall of the shell;

the bottom of casing has the fixed plate through the screw mounting, two sets of input pins are installed to the bottom of fixed plate.

Preferably, a work indicator lamp is installed on the outer surface of one side of the housing.

Preferably, a thermometer is mounted on the other outer surface of the housing.

Preferably, the back surface of the shell is provided with an output connecting line.

Preferably, a small ventilation fan is installed on the front face of the casing.

Preferably, the top of the fixed plate is provided with a magnetic excitation coil.

Preferably, an air switch is installed at the top of the fixing plate and is located behind the magnetic excitation coil.

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

1. the utility model discloses an install the dry layer, the dry layer adopts the filling of montmorillonite tiny particle to make, has good hydrophilicity, and after steam among the external environment got into the inside of casing, the montmorillonite granule in the dry layer can absorb steam, prevents that steam and the inside electrical component contact of casing from taking place the short circuit and improving the device security.

2. The utility model discloses an install the thermometer, the thermometer is installed to the opposite side of casing, but the electric energy is carried to its inside time via the magnetic excitation coil, and the thermometer detects the inside temperature of outside casing to convert a digital information display with temperature information, the person of facilitating the use reads the inside temperature of device, confirms device operating condition, improves the device security.

3. The utility model discloses an install air switch, when the inside electric energy of input air switch is too big, the air switch switching-over, the inside power supply system of cutting device prevents that the device from transshipping and taking place to damage, improves the device security.

Drawings

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

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

FIG. 3 is a cross-sectional partial structural view of the housing of the present invention;

fig. 4 is a schematic structural diagram of a top portion of the fixing plate of the present invention.

In the figure: 1. a housing; 2. a heat conducting plate; 3. drying the layer; 4. a fixing plate; 5. inputting a pin; 6. a work indicator light; 7. a thermometer; 8. a connecting wire; 9. a small-sized ventilation fan; 10. a magnetic excitation coil; 11. an air switch.

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.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides an embodiment: a short-circuit prevention miniature transformer;

the heat dissipation device comprises a shell 1 and a fixing plate 4, wherein a heat conduction plate 2 is installed at the top of the shell 1, the shell 1 provides fixing points for the heat conduction plate 2, a drying layer 3, the fixing plate 4, a work indicator lamp 6, a thermometer 7, a connecting wire 8 and a small-sized ventilation fan 9 which are installed on the outer surface of the shell, and the heat conduction plate 2 is installed at the top of the shell 1, so that the heat dissipation speed of the device can be effectively increased due to the fact that the contact area between the outer surface of the heat conduction plate 2 and the external environment is large due to the fact that gullies exist on the outer surface of the heat conduction plate and the external environment is large; the bottom of the shell 1 is provided with a fixed plate 4 through screws, the fixed plate 4 is arranged at the bottom of the shell 1 and provides fixed points for an input pin 5, a magnetic excitation coil 10 and an air switch 11 which are arranged at the top and the bottom of the shell, two groups of input pins 5 are arranged at the bottom of the fixed plate 4, the input pins 5 are connected with an external power supply before the device is used, at the moment, the input pins 5 transmit electric energy to the inside of the air switch 11, a work indicator lamp 6 is arranged on the outer surface of one side of the shell 1, when the electric energy is transmitted to the inside of the work indicator lamp 6 through the magnetic excitation coil 10, the work indicator lamp 6 emits light to remind a worker that the device normally works, an output connecting wire 8 is arranged on the back of the shell 1, the output connecting wire 8 is connected with an external electrical appliance before the device is used, when the electric energy is transmitted to the inside of the output connecting wire 8 through the magnetic excitation coil 10, output connecting wire 8 carries the electric energy to external inside with electrical apparatus, accomplish the output of electric energy, small-size scavenger fan 9 is installed on the front of casing 1, when the electric energy conducts to small-size scavenger fan 9's inside via magnetic excitation coil 10, small-size scavenger fan 9 mobilizes the flabellum rotation via solenoid, accelerate the inside gas exchange with the external environment of casing 1, further cool down the device, magnetic excitation coil 10 is installed at the top of fixed plate 4, magnetic excitation coil 10 installs to the top of fixed plate 4, but when the electric energy carries to magnetic excitation coil 10's inside via air switch 11, magnetic excitation coil 10 is through the copper line of its surface, change the voltage of electric current, and carry the electric energy respectively to the inside of work pilot lamp 6, thermometer 7, connecting wire 8 and small-size scavenger fan 9.

As shown in fig. 3, a short-circuit prevention miniature transformer;

including casing 1 and dry layer 3, casing 1's inner wall internal arrangement has dry layer 3, and dry layer 3 adopts the filling of montmorillonite tiny particle to make, has good hydrophilicity, and after steam among the external environment got into casing 1's inside, the montmorillonite granule in the dry layer 3 can absorb steam, prevents that steam and the inside electrical component of casing 1 from contacting, takes place the short circuit and improves the device security.

As shown in fig. 2 and 3, a short-circuit prevention miniature transformer;

including casing 1 and thermometer 7, another surface mounting of casing 1 has thermometer 7, and thermometer 7 installs to the opposite side of casing 1, and when nevertheless the electric energy was carried to its inside via magnetic excitation coil 10, thermometer 7 detected the inside temperature of outside casing 1 to convert the digital information display of position with temperature information, the person of facilitating the use reads the inside temperature of device, confirms device operating condition, improves the device security.

As shown in fig. 4, a short-circuit prevention miniature transformer;

including fixed plate 4 and air switch 11, air switch 11 is installed at the top of fixed plate 4, and air switch 11 is located the rear of magnetic excitation coil 10, when the electric energy conducts to air switch 11's inside via input pin 5, air switch 11 carries the electric energy to magnetic excitation coil 10's inside, when the electric energy of input air switch 11 inside was too big, air switch 11 commutates, the inside power supply system of cutting off device, prevent that the device from transshipping and taking place the damage, improve the device security.

The working principle is as follows: firstly, the output connecting wire 8 is connected with an external electrical appliance, the input pin 5 is connected with an external power supply, at the moment, the input pin 5 transmits electric energy to the inside of the air switch 11, the air switch 11 transmits the electric energy to the inside of the magnetic excitation coil 10, the magnetic excitation coil 10 changes the voltage of current through a copper wire on the outer surface of the magnetic excitation coil, and transmits the electric energy to the inside of the work indicating lamp 6, the thermometer 7, the connecting wire 8 and the small-sized ventilation fan 9 respectively, and the output connecting wire 8 transmits the electric energy to the inside of the external electrical appliance to finish the output of the electric energy.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a prevent short circuit miniature transformer, includes casing (1) and fixed plate (4), its characterized in that: the top of the shell (1) is provided with a heat conducting plate (2);

a drying layer (3) is arranged inside the inner wall of the shell (1);

the bottom of casing (1) has fixed plate (4) through the mounting screw, two sets of input pin (5) are installed to the bottom of fixed plate (4).

2. A short-circuit prevention small-sized transformer as claimed in claim 1, wherein: and a working indicator lamp (6) is arranged on the outer surface of one side of the shell (1).

3. The short-circuit prevention small-sized transformer as claimed in claim 1, wherein: and a thermometer (7) is arranged on the other outer surface of the shell (1).

4. A short-circuit prevention small-sized transformer as claimed in claim 1, wherein: and an output connecting wire (8) is arranged on the back surface of the shell (1).

5. A short-circuit prevention small-sized transformer as claimed in claim 1, wherein: and a small ventilation fan (9) is arranged on the front surface of the shell (1).

6. The short-circuit prevention small-sized transformer as claimed in claim 1, wherein: and a magnetic excitation coil (10) is arranged at the top of the fixed plate (4).

7. A short-circuit prevention small-sized transformer as claimed in claim 1, wherein: an air switch (11) is installed at the top of the fixing plate (4), and the air switch (11) is located behind the magnetic excitation coil (10).