CN211957360U

CN211957360U - Transformer that heat dispersion is good

Info

Publication number: CN211957360U
Application number: CN202020538714.9U
Authority: CN
Inventors: 钟康林
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-11-17
Anticipated expiration: 2030-04-14

Abstract

The utility model relates to a transformer with good heat dissipation performance, which comprises a transformer body, wherein a protective cover is arranged outside the transformer body, a cooling cover is arranged outside the protective cover, the cooling cover is divided into a cooling cavity and an air draft cavity, a cooling device is arranged in the cooling cavity, and an air draft fan is arranged in the air draft cavity; be equipped with a plurality of ventilation holes on the protection casing, the protection casing passes through corresponding ventilation hole respectively with cooling chamber and convulsions chamber intercommunication. The utility model has simple and reasonable structure, energy saving and high efficiency, can naturally radiate heat, and can also radiate heat by cooling through the refrigerator; the temperature sensor is mutually matched with the air blower, the air exhauster and the refrigerator, so that energy is saved, an optimal heat dissipation mode is used according to different temperatures in the protective cover, heat is sufficiently conducted away, normal work of the transformer is ensured under the condition of energy conservation and high efficiency, the heat dissipation efficiency is further improved, the service life of the transformer is prolonged, and the practicability is high.

Description

Transformer that heat dispersion is good

Technical Field

The utility model relates to a high frequency electronic transformer technical field specifically relates to a transformer that heat dispersion is good.

Background

The electronic transformer, have change alternating voltage of the commercial power into the direct current and then form the electronic installation of a kind of high-frequency alternating voltage output through semiconductor switching device and electronic component and high-frequency transformer winding, because the operating frequency of the high-frequency electronic transformer is higher, the high-frequency electronic transformer can produce great heat, the heat can lead to the operating temperature of the high-frequency electronic transformer to rise, the electronic transformer works under the high-temperature environment for a long time, can lead to the life of the high-frequency electronic transformer to reduce, the existing electronic transformer is generally fixed in the safety cover, is unfavorable for the thermal diffusion, and its heat dissipation is generally through the equipment heat dissipation on the electrical apparatus, such radiating effect to its high-frequency electronic transformer is not good, thus bring certain influence to the reaction degree of the electrical component.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a transformer with good heat dissipation performance, which comprises a transformer body, wherein a protective cover is arranged outside the transformer body, a cooling cover is arranged outside the protective cover and is divided into a cooling cavity and an air draft cavity, a cooling device is arranged in the cooling cavity, and an exhaust fan is arranged in the air draft cavity; the protective cover is provided with a plurality of ventilation holes, the protective cover is respectively communicated with the cooling cavity and the air draft cavity through the corresponding ventilation holes, and the cooling cavity and the air draft cavity in the cooling cover are matched with the protective cover and the ventilation holes, so that air in the cooling cover can be discharged after entering the air draft cavity from the cooling cavity through the protective cover in sequence, a stable and orderly circulating channel is formed, the heat dissipation effect is improved, and the heat in the protective cover is prevented from flowing in the cooling cover in a mess manner to influence the heat dissipation effect; the cooling cover and the protection cover are fixed, connected and detached, and the protection cover and the transformer body are connected and detached in the prior art, so that the details are not repeated.

Preferably, the cooling device comprises a front filter screen, a front drying screen, a refrigerator and a blower, the front filter screen is fixed at an air inlet of the cooling cavity, the front drying screen is fixed in the cooling cavity and divides the cooling cavity into a front cavity and a rear cavity, the blower is arranged in the front cavity, the refrigerator is arranged in the rear cavity, the front cavity is arranged under the action of the blower, external air passes through the front filter screen at the air inlet from the outside of the cooling cavity to filter out impurities such as dust and the like and then enters the front cavity, the air is subjected to moisture removal treatment through the front drying screen and then enters the rear cavity through the front drying screen, part of the air enters the refrigerator to be cooled and then is discharged into the rear cavity, and finally enters the protective cover through a ventilation hole communicated with the rear cavity to perform heat exchange to cool and dissipate heat of the transformer body in the protective cover, the air after the heat exchange is discharged into the ventilation hole communicated with the air draft cavity, and is discharged to the outside of the cooling hood under the action of an exhaust fan.

Preferably, be equipped with temperature sensor in the protection casing, temperature sensor is connected with the control assembly of refrigerator, the driving motor of air exhauster, the driving motor electricity of air-blower respectively, and the temperature in this department setting is in time perceived the protection casing through temperature sensor, according to the work of temperature control refrigerator, air blower, air exhauster, the rotation rate of control air-blower, air exhauster reaches energy-conserving efficient effect. (the electrical connection between the temperature sensor and the control component of each device is conventional in the art and is not described herein again).

Preferably, the protection casing is heat conduction material, and the vent hole inner wall on the protection casing is equipped with the dampproof course, and this department sets up the air that makes the entering protection casing and removes the tide once more, avoids the moisture to get into and influences transformer normal work in the protection casing.

Preferably, the air outlet department in convulsions chamber is equipped with back drying screen and back filter screen, and this department sets up and has avoided outside air not filtered and dry entering convulsions chamber, and then from the ventilation hole entering protection casing with convulsions chamber intercommunication, produce harmful effects to the transformer.

The utility model discloses still including other subassemblies that can make the transformer normal use that a heat dispersion is good, control assembly like the control assembly of refrigerator, air exhauster, the control assembly of air-blower etc. are the conventional technological means in this field. In addition, the utility model discloses in all adopt the conventional technical means in this field with the device or the subassembly of injecing, all adopt the conventional technical means in this field such as drying screen, filter screen, dampproof course, air-blower, temperature sensor and air exhauster.

The working principle of the utility model is that the protective cover plays a role in protecting the transformer, the heat generated by the transformer is conducted out through the heat conducting property of the protective cover, which is favorable for heat dissipation, the exhaust fan in the cooling cover extracts the heat in the protective cover through the vent hole and discharges the heat outside the cooling cover, the air outside is filtered and dried by the air blower and enters the refrigerator to become the air of cool and dry, and then enters the protective cover through the vent hole communicated with the cooling cavity, the transformer is cooled rapidly, when the temperature in the protective cover is overhigh, the temperature sensor transmits signals to the refrigerator, the exhaust fan and the air blower, the three work simultaneously, the outside air is discharged outside the cooling cover after passing through the front filter screen, the front drying screen, the refrigerator, the protective cover and the exhaust cavity, a rapid and good cooling and heat dissipation cycle is formed, when the temperature is not very high, the refrigerator does not work, the exhaust fan and the air blower can work simultaneously, and the exhaust fan can also work independently, so that outside air is discharged out of the cooling cover after sequentially passing through the front filter screen, the front drying screen, the protective cover and the air exhaust cavity, a common heat dissipation circulation is formed, and the energy conservation and the high efficiency are realized.

The utility model has the advantages of simple and reasonable structure, energy saving and high efficiency, natural heat dissipation and cooling heat dissipation through the refrigerator; the temperature sensor is mutually matched with the air blower, the air exhauster and the refrigerator, so that energy is saved, an optimal heat dissipation mode is used according to different temperatures in the protective cover, heat is sufficiently conducted away, normal work of the transformer is ensured under the condition of energy conservation and high efficiency, the heat dissipation efficiency is further improved, the service life of the transformer is prolonged, and the practicability is high.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of a transformer with good heat dissipation performance in this embodiment;

fig. 2 is a right side view of fig. 1.

In the figure: 1. the transformer comprises a transformer body, 2 parts of a protective cover, 3 parts of a cooling cover, 4 parts of an air suction cavity, 5 parts of a rear cavity, 6 parts of an air vent, 7 parts of a front cavity, 8 parts of an air suction fan, 9 parts of a driving motor of the air suction fan, 10 parts of a rear filter screen, 11 parts of a temperature sensor, 12 parts of a refrigerator, 13 parts of an air blower, 14 parts of a front drying screen, 15 parts of the front filter screen, 16 parts of the driving motor of the air blower and 17 parts of the rear drying screen.

Detailed Description

The present invention will be described more clearly with reference to the accompanying drawings and specific embodiments in the embodiments of the present invention, and the description herein is only for explaining the present invention, but not for limiting the present invention. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by those skilled in the art without creative efforts should be included in the protection scope of the present invention.

Examples

As shown in fig. 1-2, the utility model provides a transformer with good heat dissipation performance, which comprises a transformer body 1, wherein a protective cover 2 is arranged outside the transformer body 1, a cooling cover 3 is arranged outside the protective cover 2, the cooling cover 3 is divided into a cooling cavity and an air draft cavity 4, a cooling device is arranged in the cooling cavity, and an exhaust fan 8 is arranged in the air draft cavity 4; be equipped with a plurality of ventilation holes 6 on the protection casing 2, protection casing 2 communicates with cooling chamber and convulsions chamber 4 respectively through corresponding ventilation hole 6.

The cooling device comprises a front filter screen 5, a front drying screen 14, a refrigerator 12 and an air blower 13, wherein the front filter screen 5 is fixed at an air inlet of a cooling cavity, the front drying screen 14 is fixed in the cooling cavity and divides the cooling cavity into a front cavity 7 and a rear cavity 5, the air blower 13 is arranged in the front cavity 7, the refrigerator 12 is arranged in the rear cavity 5, under the action of the air blower 13, external air passes through the front filter screen 5 at the air inlet from the outside of the cooling cavity to filter out impurities such as dust and the like and then enters the front cavity 7, then the air is dehumidified by the front drying screen 14 and then enters the rear cavity 5 by the front drying screen 14, part of the air enters the refrigerator 12 to be cooled and then is discharged into the rear cavity 5, and finally enters the protective cover 2 to be subjected to heat exchange through a vent hole 6 communicated with the rear cavity 5 to cool and dissipate heat of the transformer body 1 in the protective cover 2, the air after heat exchange is discharged into the air suction cavity 4 through the air vent 6 communicated with the air suction cavity 4 and is discharged to the outside of the cooling cover 3 under the action of the exhaust fan 8.

Be equipped with temperature sensor 11 in the protection casing 2, temperature sensor 11 is connected with the control assembly of refrigerator, the driving motor 9 of air exhauster, the driving motor 16 electricity of air-blower respectively, and the temperature in this department setting is in time perceived protection casing 2 through temperature sensor 11, according to the work of temperature control refrigerator 12, air-blower 13, air exhauster 8, controls the slew rate of air-blower 13, air exhauster 8, reaches energy-conserving efficient effect. (the electrical connection between the temperature sensor and the control component of each device is conventional in the art and is not described herein again).

The protection casing 2 is heat conducting material, and 6 inner walls in the ventilation hole on the protection casing 2 are equipped with the dampproof course, and this department sets up and makes the air that gets into the protection casing 2 remove the tide once more, avoids the moisture to get into and influences the transformer normal work in the protection casing 2.

Air outlet department in chamber 4 is equipped with back drying screen 17 and back filter screen 10, and this department sets up and has avoided outside air not filtered and dry entering chamber 4 that induced drafts, and then from the ventilation hole 6 entering protection casing 2 with 4 intercommunications in the chamber that induced drafts, produce harmful effects to the transformer.

When the temperature control device works, the temperature sensor 11 senses the temperature in the protective cover 2 in time, the work of the refrigerator 12, the air blower 13 and the exhaust fan 8 is controlled according to the temperature, the rotation speed of the air blower 13 and the exhaust fan 8 is controlled, and the energy-saving and efficient effects are achieved; specifically, heat in the protective cover 2 is extracted through the vent hole 6 by the exhaust fan 8 in the cooling cover 3 and is discharged out of the cooling cover 3, outside air is filtered and dried by the air blower 13 and then enters the refrigerator 12 to become cooled and dried air, and then enters the protective cover 2 through the vent hole 6 communicated with the cooling cavity, so as to rapidly cool the transformer, when the temperature in the protective cover 2 is overhigh, the temperature sensor 11 transmits signals to the refrigerator 12, the exhaust fan 8 and the air blower 13, the three work simultaneously, so that the outside air is discharged out of the cooling cover 3 after passing through the front filter screen 5, the front drying screen 14, the refrigerator 12, the protective cover 2 and the air exhaust cavity 4 in sequence, a rapid and good cooling and heat dissipation cycle is formed, when the temperature is not very high, the air blower 12 does not work, the exhaust fan 8 and the air blower 13 work simultaneously, and the exhaust fan 8 can, the external air is discharged out of the cooling cover 3 after passing through the front filter screen 5, the front drying screen 14, the protective cover 2 and the air draft cavity 4 in sequence, so that common heat dissipation circulation is formed, and the energy conservation and the high efficiency are realized.

The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a transformer that heat dispersion is good, includes the transformer body, its characterized in that: the transformer comprises a transformer body, and is characterized in that a protective cover is arranged outside the transformer body, a cooling cover is arranged outside the protective cover, the cooling cover is divided into a cooling cavity and an air draft cavity, a cooling device is arranged in the cooling cavity, and an exhaust fan is arranged in the air draft cavity; be equipped with a plurality of ventilation holes on the protection casing, the protection casing passes through corresponding ventilation hole respectively with cooling chamber and convulsions chamber intercommunication.

2. The transformer with good heat dissipation performance according to claim 1, wherein: cooling device includes filter screen, drying screen, refrigerator and air-blower, the air intake department at the cooling chamber is fixed to the filter screen, the drying screen is fixed in the cooling chamber inside and is divided into antechamber and back chamber two parts with the inside in cooling chamber, the air-blower sets up in the front intracavity, the refrigerator sets up in the back intracavity.

3. The transformer with good heat dissipation performance according to claim 1, wherein: and a temperature sensor is arranged in the protective cover and is respectively and electrically connected with a control assembly of the refrigerator, a driving motor of the exhaust fan and a driving motor of the air blower.

4. The transformer with good heat dissipation performance according to claim 1, wherein: the protection casing is heat conduction material, and the vent hole inner wall on the protection casing is equipped with the dampproof course.

5. The transformer with good heat dissipation performance according to claim 1, wherein: and a drying net and a filter screen are arranged at the air outlet of the air exhaust cavity.