CN219267434U

CN219267434U - Heat dissipation stable form transformer

Info

Publication number: CN219267434U
Application number: CN202320911420.XU
Authority: CN
Inventors: 简耀佳; 王建平; 张宏东; 张树驱
Original assignee: Anhua Data Dongguan Co ltd
Current assignee: Anhua Data Dongguan Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-06-27
Anticipated expiration: 2033-04-21

Abstract

The utility model relates to the technical field of transformers, in particular to a heat dissipation stable type transformer, which comprises a mounting bracket, wherein a main shell is fixedly arranged on the mounting bracket, an inner main body is fixedly arranged at the inner bottom of the main shell, the heat exchange mechanism comprises two metal mounting plates which are fixedly arranged at two sides of the top end of the main shell in an inlaid manner, sinking grooves are formed in the two metal mounting plates, a semiconductor refrigerator is fixedly arranged in the sinking grooves, and the refrigerating end of the semiconductor refrigerator is contacted with the metal mounting plates; when the heat exchange mechanism of the utility model operates, the semiconductor refrigerator is started, the refrigeration end of the semiconductor refrigerator is used for carrying out contact heat exchange with the metal mounting plate and the metal heat conducting plate, and the heat exchange annular plate and the wavy heat exchange plate are rapidly in a low-temperature state by utilizing the heat conduction effect of metal, so that the subsequent cooling operation is convenient; meanwhile, in the whole cooling operation, the tightness of the main shell is ensured, and external dust can be effectively prevented from entering the main shell.

Description

Heat dissipation stable form transformer

Technical Field

The utility model relates to the technical field of transformers, in particular to a heat dissipation stable type transformer.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and an iron core; at present, a transformer generally adopts a point fixing mode and only utilizes a single method of air convection to dissipate heat, so that the conditions of low heat dissipation efficiency, serious body heating and poor stability are generally present.

In order to solve the above problems, chinese patent publication No. CN210778139U discloses a heat dissipation stable transformer, which comprises a base, wherein the top of the base is fixedly connected with a pressurizing chamber, a pneumatic chamber, a protective housing and a pressure reducing chamber from left to right in sequence, and the pressurizing chamber is communicated with the pneumatic chamber.

This patent is through rotating the motor circular telegram rotation and is made two rotation gear rings rotate to make the air get into the pressurized chamber through the opening in, gaseous stores and steps up in the atmospheric pressure room, make the temperature reduce, and make the transformer cooling faster through communicating pipe and heating panel, increase to promote the fly leaf and remove when pressure, thereby make sealing block and air vent separation, the inside that the high-pressure gas just can get into the depressurization chamber through communicating pipe this moment, and make more stable when gas exhaust through rotating the flabellum, the device absorbs heat through the increase of atmospheric pressure and makes the temperature reduce fast, it is quicker to cool off for traditional open transformer, the heat dissipation is more stable.

However, the above patent also has the following problems:

this patent heat dissipation needs to be discharged through ventilative mouthful with hot air, and the air passes through the opening and gets into to improve the radiating effect, but in this way, can lead to the whole sealed effect of transformer to descend, and in case get into more dust in the transformer, then the ageing of easy aggravation circuit to produce harmful effects to the operation of transformer, so there is the limitation.

Disclosure of Invention

The present utility model is directed to a heat dissipation stabilized transformer, which solves the above-mentioned problems.

The technical scheme of the utility model is as follows: the heat dissipation stable type transformer comprises a mounting bracket, wherein a main shell is fixedly arranged on the mounting bracket, an inner main body is fixedly arranged at the inner bottom of the main shell, and the heat dissipation stable type transformer further comprises;

the heat exchange mechanism comprises two metal mounting plates which are fixed on two sides of the top end of the main shell, the two metal mounting plates are provided with sinking grooves, a semiconductor refrigerator is fixedly installed in each sinking groove, the refrigerating end of the semiconductor refrigerator is contacted with the metal mounting plates, the bottom sides of the metal mounting plates are fixedly connected with a group of metal heat-conducting plates penetrating through the main shell, the bottom ends of each group of metal heat-conducting plates are fixedly connected with heat exchange ring plates together, and the inner side walls of the heat exchange ring plates are fixedly connected with a plurality of wavy heat-exchanging plates distributed at equal intervals;

the air blowing mechanism comprises two end cylinders arranged in the main shell, the inner peripheral walls of the end cylinders are contacted with the outer peripheral walls of the heat exchange ring plates, and air blowing units are arranged in the end cylinders.

Preferably, the blower unit comprises two rotating shafts coaxially arranged with the end cylinder, one end of each rotating shaft penetrates through the main shell and is rotationally connected with the main shell, the sealing gasket is installed at one end, close to the main shell, of each rotating shaft, the rotating motors are fixedly installed on two sides of the main shell, and an output shaft of each rotating motor is fixedly connected with the corresponding rotating shaft through a coupler.

Preferably, the fan blade is fixedly mounted at one end, close to the end cylinder, of the rotating shaft, a pair of bracket rings are fixedly mounted at the positions, close to the end cylinder, of the inner wall of the main shell, and the bracket rings are fixedly connected with the end cylinder.

Preferably, the air guide arc plates are fixedly arranged on two sides of the top inner wall of the main shell, a temperature control switch is fixedly arranged at the position, between the two air guide arc plates, of the top inner wall of the main shell, and the temperature control switch is electrically connected with the rotating motor and the semiconductor refrigerator.

Preferably, the one end fixed mounting that is close to two wind-guiding arc boards in the inside of main casing has ventilative grid frame, and the middle-end position fixed mounting of ventilative grid frame has the bar riding block, all there are a plurality of dry cylinders through threaded connection between main casing both sides and the bar riding block, a plurality of gas pockets have been seted up to the position department that the dry cylinder is located the main casing inside, and have filled the drier in the dry cylinder.

Preferably, a plurality of support plates are fixedly arranged at the top end of the main shell, and a top cover is fixedly connected to the top ends of the support plates.

Compared with the prior art, the utility model provides the heat dissipation stable transformer by improvement, which has the following improvements and advantages:

the method comprises the following steps: when the heat exchange mechanism of the utility model operates, the semiconductor refrigerator is started, the refrigeration end of the semiconductor refrigerator is used for carrying out contact heat exchange with the metal mounting plate and the metal heat conducting plate, and the heat exchange annular plate and the wavy heat exchange plate are rapidly in a low-temperature state by utilizing the heat conduction effect of metal, so that the subsequent cooling operation is convenient; meanwhile, in the whole cooling operation, the tightness of the main shell is ensured, and external dust can be effectively prevented from entering the main shell;

and two,: the utility model can intensively guide the air subjected to heat exchange and cooling to the inner main body by using the arranged air guide arc plate, thereby being capable of cooling the inner main body in a targeted manner.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic overall perspective view of the present utility model;

FIG. 2 is a schematic view of a first perspective of the interior of the main housing of the present utility model;

FIG. 3 is a schematic view of a second perspective view of the interior of the main housing of the present utility model;

FIG. 4 is a schematic diagram of the explosive structure of the ventilated grid frame, the strip-shaped supporting blocks and the drying cylinder of the utility model;

fig. 5 is a schematic view of the blast mechanism of the present utility model in an exploded configuration.

Reference numerals illustrate:

1. a mounting bracket; 2. a main housing; 3. a drying cylinder; 4. a top cover; 41. a support plate; 5. an inner body; 6. ventilation grid frame; 61. a strip-shaped supporting block; 7. an end cylinder; 8. a carrier ring; 9. a rotating shaft; 91. a rotating electric machine; 92. a fan blade; 10. an air guide arc plate; 11. a temperature control switch; 12. a metal heat-conducting plate; 13. a heat exchange ring plate; 14. corrugated heat exchange plates; 15. a metal mounting plate; 16. a semiconductor refrigerator.

Detailed Description

The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a heat dissipation stable transformer through improvement, which comprises the following technical scheme:

as shown in fig. 1 to 5, a heat dissipation stable type transformer comprises a mounting bracket 1, a main housing 2 is fixedly mounted on the mounting bracket 1, an inner main body 5 is fixedly mounted at the inner bottom of the main housing 2, and the transformer further comprises;

the heat exchange mechanism comprises two metal mounting plates 15 which are fixed on two sides of the top end of the main shell 2 in an embedded mode, sinking grooves are formed in the two metal mounting plates 15, a semiconductor refrigerator 16 is fixedly installed in each sinking groove, the refrigeration end of the semiconductor refrigerator 16 is in contact with the metal mounting plates 15, a group of metal heat-conducting plates 12 penetrating through the main shell 2 are fixedly connected to the bottom side of each metal mounting plate 15, heat exchange ring plates 13 are fixedly connected to the bottom ends of the metal heat-conducting plates 12 in each group, a plurality of wavy heat exchange plates 14 which are distributed in equal distance are fixedly connected to the inner side walls of the heat exchange ring plates 13, and the contact area between the wavy heat exchange plates 14 and air can be effectively increased, so that the heat exchange effect is ensured;

through the structure, when the heat exchange mechanism operates, the semiconductor refrigerator 16 is started, the refrigeration end of the semiconductor refrigerator is used for carrying out contact heat exchange with the metal mounting plate 15 and the metal heat conducting plate 12, and the heat exchange annular plate 13 and the wavy heat exchange plates 14 are in a low-temperature state rapidly by utilizing the heat conduction effect of metal, so that the subsequent cooling operation is facilitated.

The blowing mechanism comprises two end cylinders 7 arranged in the main shell 2, the inner peripheral wall of each end cylinder 7 is in contact with the outer peripheral wall of the heat exchange ring plate 13, the metal heat conducting plate 12 penetrates through each end cylinder 7, and a blowing unit is arranged in each end cylinder 7.

Further, the blower unit comprises two rotating shafts 9 coaxially arranged with the end cylinders 7, one ends of the rotating shafts 9 penetrate through the main shell 2 and are in rotary connection with the main shell 2, sealing gaskets are arranged at one ends, close to the main shell 2, of the rotating shafts 9, rotating motors 91 are fixedly arranged at two sides of the main shell 2, and an output shaft of each rotating motor 91 is fixedly connected with the corresponding rotating shaft 9 through a coupler; by means of the sealing gasket, the whole sealing state of the main casing 2 can be ensured.

Further, the fan blade 92 is fixedly mounted at one end of the rotating shaft 9 close to the end barrel 7, a pair of bracket rings 8 are fixedly mounted at positions of the inner wall of the main housing 2 close to the end barrel 7, and the bracket rings 8 are fixedly connected with the end barrel 7.

Through the structure, when the blower mechanism operates, the rotating motor 91 is utilized to drive the fan blades 92 to rotate through the rotating shaft 9, and the end cylinders 7 are matched, so that air in the main shell 2 is blown to the heat exchange annular plate 13 and the wavy heat exchange plates 14, and the air in the main shell 2 is cooled rapidly.

As a further scheme of the utility model, the two sides of the top inner wall of the main casing 2 are fixedly provided with the air guide arc plates 10, and the position of the top inner wall of the main casing 2 between the two air guide arc plates 10 is fixedly provided with the temperature control switch 11, and the temperature control switch 11 is electrically connected with the rotating motor 91 and the semiconductor refrigerator 16.

With the above structure, when the temperature inside the main casing 2 is too high, the temperature control switch 11 can switch on the circuit and control the starting of the rotating motor 91 and the semiconductor refrigerator 16, and the active cooling operation is realized by the mutual cooperation of the heat exchange mechanism and the air blowing mechanism; in the whole cooling operation, the tightness of the main shell 2 is ensured, and external dust can be effectively prevented from entering the main shell 2;

by means of the arranged air guide arc plate 10, air subjected to heat exchange and cooling can be intensively guided to the inner main body 5, so that the inner main body 5 can be cooled in a targeted manner.

As a further scheme of the utility model, one end of the main shell 2, which is close to the two air guide arc plates 10, is fixedly provided with an air-permeable grid frame 6, the middle end of the air-permeable grid frame 6 is fixedly provided with a strip-shaped supporting block 61, a plurality of drying cylinders 3 are connected between the two sides of the main shell 2 and the strip-shaped supporting block 61 through threads, a plurality of air holes are formed in the positions, which are positioned in the main shell 2, of the drying cylinders 3, and drying agents are filled in the drying cylinders 3.

Through the structure, the ventilation grid frame 6 is matched with the drying cylinder 3, so that the drying of the air in the main shell 2 can be effectively ensured, and the smooth operation of the transformer is ensured.

Further, a plurality of support plates 41 are fixedly mounted on the top end of the main shell 2, and top covers 4 are fixedly connected to the top ends of the support plates 41 together; by using the top cover 4, a good shielding effect can be achieved, and it should be noted that the semiconductor refrigerator 16 is located outside the two support plates 41, so as to ensure that the semiconductor refrigerator 16 has a good heat dissipation space.

The specific working method is as follows: when the temperature inside the main casing 2 is too high, the temperature control switch 11 turns on the circuit and controls the starting of the rotary electric machine 91 and the semiconductor refrigerator 16; when the heat exchange mechanism operates, the semiconductor refrigerator 16 is started, the refrigeration end of the semiconductor refrigerator is used for carrying out contact heat exchange with the metal mounting plate 15 and the metal heat conducting plate 12, and the heat exchange annular plate 13 and the wavy heat exchange plates 14 are rapidly in a low-temperature state by utilizing the heat conduction effect of metal, so that the subsequent cooling operation is facilitated; when the blowing mechanism operates, the rotating motor 91 is utilized to drive the fan blades 92 to rotate through the rotating shaft 9, and the fan blades are matched with the end cylinders 7, so that air in the main shell 2 is blown to the heat exchange ring plate 13 and the wavy heat exchange plates 14, and the air in the main shell 2 is rapidly cooled; the air after heat exchange and cooling is intensively guided to the inner main body 5 by utilizing the air guide arc plate 10 so as to pertinently cool the inner main body 5;

the ventilation grid frame 6 is matched with the drying cylinder 3, so that the drying of the air in the main shell 2 is effectively ensured, and the smooth operation of the transformer is ensured.

Claims

1. The utility model provides a heat dissipation stable form transformer, includes mounting bracket (1), fixed mounting has main casing (2) on mounting bracket (1), main part (5) in the interior bottom fixed mounting of main casing (2), its characterized in that: also comprises;

the heat exchange mechanism comprises two metal mounting plates (15) which are fixed on two sides of the top end of the main shell (2), sinking grooves are formed in the two metal mounting plates (15), a semiconductor refrigerator (16) is fixedly installed in each sinking groove, the refrigeration end of the semiconductor refrigerator (16) is in contact with the metal mounting plates (15), a group of metal heat-conducting plates (12) penetrating through the main shell (2) are fixedly connected to the bottom sides of the metal mounting plates (15), heat exchange ring plates (13) are fixedly connected to the bottom ends of each group of metal heat-conducting plates (12) together, and a plurality of wavy heat exchange plates (14) which are distributed at equal intervals are fixedly connected to the inner side walls of the heat exchange ring plates (13);

the air blowing mechanism comprises two end cylinders (7) arranged in the main shell (2), the inner peripheral wall of each end cylinder (7) is in contact with the outer peripheral wall of the heat exchange ring plate (13), and an air blowing unit is arranged in each end cylinder (7).

2. A heat sink stable transformer as claimed in claim 1, wherein: the blower unit comprises two rotating shafts (9) which are coaxially arranged with the end cylinders (7), one end of each rotating shaft (9) penetrates through the main shell (2) and is rotationally connected with the main shell (2), one end, close to the main shell (2), of each rotating shaft (9) is provided with a sealing gasket, two sides of the main shell (2) are fixedly provided with rotating motors (91), and output shafts of the rotating motors (91) are fixedly connected with the rotating shafts (9) through couplings.

3. A heat sink stable transformer as claimed in claim 2, wherein: one end of the rotating shaft (9) close to the end cylinder (7) is fixedly provided with a fan blade (92), a pair of bracket rings (8) are fixedly arranged at positions, close to the end cylinder (7), of the inner wall of the main shell (2), and the bracket rings (8) are fixedly connected with the end cylinder (7).

4. A heat sink stable transformer as claimed in claim 1, wherein: the air guide arc plates (10) are fixedly arranged on two sides of the inner wall of the top of the main shell (2), a temperature control switch (11) is fixedly arranged at the position, located between the two air guide arc plates (10), of the inner wall of the top of the main shell (2), and the temperature control switch (11) is electrically connected with the rotating motor (91) and the semiconductor refrigerator (16).

5. A heat sink stable transformer as claimed in claim 1, wherein: the inside of main casing (2) is close to the one end fixed mounting of two wind-guiding arc boards (10) has ventilative grid frame (6), and the middle-end position fixed mounting of ventilative grid frame (6) has bar support block (61), all there are a plurality of dry cylinders (3) through threaded connection between main casing (2) both sides and bar support block (61), a plurality of gas pockets have been seted up in the position department that dry cylinder (3) are located main casing (2) inside, and are filled with the drier in the dry cylinder (3).

6. A heat sink stable transformer as claimed in claim 1, wherein: the top end of the main shell (2) is fixedly provided with a plurality of supporting plates (41), and the top ends of the supporting plates (41) are fixedly connected with a top cover (4) together.