CN112309684A

CN112309684A - Self-breathing heat dissipation type transformer

Info

Publication number: CN112309684A
Application number: CN202011106576.8A
Authority: CN
Inventors: 潘玉霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-02-02

Abstract

The invention discloses a self-breathing heat dissipation type transformer, belonging to the field of transformers, and comprising a transformer shell, wherein a transformer main body is arranged in the transformer shell, the transformer shell is fixedly connected with a pair of breathing heat exchange shells, each breathing heat exchange shell comprises a heat insulation shell, a plurality of uniformly distributed vent holes are cut on the heat insulation shell, a pair of clapboards are fixedly connected on the inner wall of the heat insulation shell, an exhaust mechanism is fixedly connected on each clapboard, an air inlet mechanism is connected between the pair of clapboards, an isolation ring matched with the clapboards is fixedly connected on the inner wall of the transformer shell, a plurality of one-way air valves are fixedly connected on the isolation ring, hot air in the device can be quickly discharged when the temperature in the transformer rises, the air inlet and the exhaust of the device are in an automatic breathing form, and self ventilation and temperature reduction are carried out according to the temperature condition in the device, when the device works, the temperature in the device is kept stable, and the device is prevented from being damaged due to overheating.

Description

Self-breathing heat dissipation type transformer

Technical Field

The invention relates to the field of transformers, in particular to a self-breathing heat dissipation type transformer.

Background

When the transformer operates, heat is generated, and the heat comes from two aspects, namely iron loss, namely heat generated by eddy current loss in a transformer iron core, and heat generated by load current flowing through a transformer winding is directly proportional to the square of the current, the heat is dissipated in time, otherwise, the transformer is damaged, and a radiator is required to be installed on the transformer.

The existing transformer heat dissipation is usually performed through heat dissipation fins, the heat transfer efficiency of the simple heat dissipation fins is extremely low, local temperature at the joint of the heat dissipation fins and an oil tank is easily overhigh, the service life of the heat dissipation fins is short, and when the heat dissipation fins are cooled by external natural wind, the natural wind is difficult to blow the heat dissipation fins arranged in the middle part, so that the heat dissipation efficiency is low.

Disclosure of Invention

1. Technical problem to be solved

In view of the problems in the prior art, an object of the present invention is to provide a self-breathing heat dissipation transformer, which can quickly exhaust hot air in the transformer when the temperature in the transformer is raised, and the air intake and exhaust of the transformer are in an automatic breathing state, and perform self-ventilation cooling according to the temperature condition in the transformer, so that the temperature in the transformer is kept stable when the transformer is operated, and the transformer is prevented from being damaged due to overheating.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A self-breathing heat-dissipation transformer comprises a transformer shell, a transformer main body is installed in the transformer shell, a pair of breathing heat exchange shells are fixedly connected with the transformer shell, each breathing heat exchange shell comprises a heat insulation shell, a plurality of air vents which are uniformly distributed are drilled on the heat insulation shell, a pair of partition plates are fixedly connected on the inner wall of the heat insulation shell, an exhaust mechanism is fixedly connected on each partition plate, an air inlet mechanism is connected between each pair of partition plates, an isolation ring matched with the partition plates is fixedly connected on the inner wall of the transformer shell, a plurality of one-way air valves are fixedly connected on each isolation ring, a plurality of oil guide pipes which are uniformly distributed and connected with the transformer main body are fixedly connected on the other pair of outer walls of the transformer shell, heat exchange fins are connected between every two adjacent oil guide pipes, and when the temperature in the transformer rises, the hot air in the device can be quickly exhausted, the air inlet and the exhaust of the device are in an automatic breathing state, self-ventilation cooling is carried out according to the temperature condition in the device, the temperature in the device is kept stable when the device works, and the device is prevented from being damaged due to overheating.

Further, exhaust mechanism includes the trachea, fixedly connected with closing plate on the trachea, tracheal one end fixedly connected with elastic diaphragm is kept away from to the closing plate, a plurality of exhaust columns of fixedly connected with on the elastic diaphragm, fixedly connected with exhaust ball on the exhaust column, it has a plurality of evenly distributed's exhaust hole to open on the exhaust ball, fixedly connected with is from the isolation barrier on the inner wall of exhaust ball, fixedly connected with and exhaust ball assorted heat insulating board between adiabatic shell and the baffle makes exhaust mechanism the space expansion between heated back closing plate and the elastic diaphragm to make the exhaust ball extrude the self-separation barrier, thereby make the self-separation barrier tear, make the air current in the transformer housing can follow the quick opening part of being followed the self-separation barrier of exhaust air current in the elastic diaphragm and discharge.

Further, the air inlet mechanism includes the air-supply line, install temperature sensor and sand control filter screen in the air-supply line, fixedly connected with draught fan in the air-supply line.

Furthermore, one end of one of the heat exchange fins, which is positioned in the transformer shell, is fixedly connected with an axial flow fan, and the other end of the other heat exchange fin, which is positioned in the transformer shell, is provided with a vent hole.

Further, an expansion ball is filled between the sealing plate and the elastic diaphragm, the expansion ball comprises a hollow tennis ball, expansion particles are filled in the hollow tennis ball, the hollow tennis ball is made of elastic rubber, the expansion particles are micro-air bags filled with dry ice, and after the expansion ball is heated and expanded, the space between the sealing plate and the elastic diaphragm is rapidly expanded, so that the self-separation isolating membrane is extruded by the exhaust column, and the self-separation isolating membrane is torn by the self-separation isolating membrane

Further, the exhaust column is made by rigid PVC material, it has a plurality of evenly distributed's ventilation hole to cut on the exhaust column, the air discharge ball is hollow metal pearl, it has the exhaust hole to cut on the hollow metal pearl.

Furthermore, a heat insulation plate is connected between the pair of isolation rings, one end, close to the transformer main body, of the heat insulation plate is fixedly connected with a plurality of heat conduction columns which are uniformly distributed, and airflow introduced from the air inlet mechanism is enabled to pass through the heat insulation plate.

Furthermore, from the isolating diaphragm that separates includes a plurality of thermal-insulated membranes, adjacent two be connected with the elastic wire between the thermal-insulated membrane, the equal fixedly connected with magnet layer in upper and lower both ends of thermal-insulated membrane makes and receives a plurality of thermal-insulated membrane after the extrusion and separates and can produce great space, and after the cooling shrink, the junction of thermal-insulated membrane can be sealed each other.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme can realize when intensifing in the transformer, can be with the hot-air quick discharge in the device, and the air inlet and the exhaust of device are the automatic breathing form, carry out oneself according to the temperature condition in the device and take a breath the cooling, make the device during operation, its inside temperature remains stable, prevents that the device is impaired because of overheated.

(2) Exhaust mechanism includes the trachea, fixedly connected with closing plate on the trachea, tracheal one end fixedly connected with elastic diaphragm is kept away from to the closing plate, a plurality of exhaust columns of fixedly connected with on the elastic diaphragm, fixedly connected with exhaust ball on the exhaust column, the exhaust hole that has a plurality of evenly distributed cuts a hole on the exhaust ball, fixedly connected with self-separation barrier film on the inner wall of exhaust ball, fixedly connected with and exhaust ball assorted heat insulating board between adiabatic shell and the baffle, make exhaust mechanism the space expansion between closing plate and the elastic diaphragm after being heated, thereby make the exhaust ball extrude self-separation barrier film, thereby make self-separation barrier film tear, the air current that makes in the transformer housing can follow elastic diaphragm exhaust air current is fast from being discharged by the opening part of self-separation barrier film.

(3) The expansion ball is filled between the sealing plate and the elastic diaphragm and comprises a hollow tennis ball, expansion particles are filled in the hollow tennis ball, the hollow tennis ball is made of elastic rubber, the expansion particles are micro air bags filled with dry ice, and after the expansion ball is heated and expanded, the space between the sealing plate and the elastic diaphragm is rapidly expanded, so that the self-separation isolating membrane is extruded by the exhaust column, and the self-separation isolating membrane is torn.

(4) A heat insulation plate is connected between the pair of isolation rings, one end, close to the transformer main body, of the heat insulation plate is fixedly connected with a plurality of heat conduction columns which are uniformly distributed, and airflow introduced from the air inlet mechanism is enabled to pass through the heat insulation plate.

(5) The self-separation isolating film comprises a plurality of heat-insulating films, an elastic line is connected between every two adjacent heat-insulating films, so that a large gap can be generated after the self-separation isolating film is extruded and the plurality of heat-insulating films are separated, and after cooling and shrinking, the joints of the heat-insulating films can be mutually sealed.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a side cross-sectional view of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2;

FIG. 4 is a top cross-sectional view of the exhaust mechanism of the present invention;

FIG. 5 is a schematic view of the structure of the expansion ball of the present invention;

fig. 6 is a schematic structural view showing an expanded state of the self-separating barrier film of the present invention.

The reference numbers in the figures illustrate:

1 transformer shell, 2 oil guide pipes, 3 breathing type heat exchange shell, 301 heat insulation shell, 302 partition plate, 303 isolation ring, 304 one-way air valve, 4 heat exchange fins, 401 axial flow fan, 5 exhaust mechanism, 501 air pipe, 502 sealing plate, 503 elastic membrane, 504 exhaust column, 505 exhaust ball, 506 self-separation isolation membrane, 6 air inlet mechanism, 7 expansion ball, 701 hollow tennis ball, 702 expansion particle

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1 and 6, a self-breathing heat dissipation transformer comprises a transformer housing 1, a transformer main body is installed in the transformer housing 1, the transformer housing 1 is fixedly connected with a pair of breathing heat exchange shells 3, each breathing heat exchange shell 3 comprises a heat insulation shell 301, a plurality of air vents which are uniformly distributed are cut on the heat insulation shell 301, a pair of partition plates 302 are fixedly connected to the inner wall of the heat insulation shell 301, an exhaust mechanism 5 is fixedly connected to each partition plate 302, an air inlet mechanism 6 is connected between the pair of partition plates 302, the air inlet mechanism 6 comprises an air inlet pipe, a temperature sensor and a sand-proof filter screen are installed in the air inlet pipe, an induced draft fan is fixedly connected in the air inlet pipe, isolation rings 303 which are matched with the partition plates 302 are fixedly connected to the inner wall of the transformer housing 1, a heat insulation plate 8 is connected between the pair of isolation rings 303, and a plurality, the air flow introduced from the air inlet mechanism 6 is fixedly connected with a plurality of one-way air valves 304 on the isolating ring 303 through the heat insulating plate 8, the one-way air valves 304 are electromagnetic valves, the one-way air valves 304 are electrically connected with an external control system, a plurality of oil guide pipes 2 which are uniformly distributed and connected with a transformer main body are fixedly connected on the other pair of outer walls of the transformer shell 1, heat exchange fins 4 are connected between the two adjacent oil guide pipes 2, one end of one heat exchange fin 4 positioned in the transformer shell 1 is fixedly connected with an axial flow fan 401, and the other ends of the heat exchange fins 4 positioned in the transformer shell 1 are all provided with vent holes, so that hot air in the device can be rapidly discharged when the temperature in the transformer rises, the air inlet and the air outlet of the device are in an automatic breathing state, the self-ventilation is carried out according to the temperature condition in the device, and the temperature in the device is, preventing damage to the device due to overheating.

Referring to fig. 2-6, the exhaust mechanism 5 includes an air pipe 501, a sealing plate 502 is fixedly connected to the air pipe 501, an elastic diaphragm 503 is fixedly connected to an end of the sealing plate 502 away from the air pipe 501, a plurality of exhaust columns 504 are fixedly connected to the elastic diaphragm 503, an exhaust ball 505 is fixedly connected to the exhaust columns 504, a plurality of exhaust holes are uniformly distributed on the exhaust ball 505, a self-separating isolation film 506 is fixedly connected to an inner wall of the exhaust ball 505, a heat insulation board 8 matched with the exhaust ball 505 is fixedly connected between the heat insulation shell 301 and the partition 302, so that the space between the sealing plate 502 and the elastic diaphragm 503 expands after the exhaust mechanism 5 is heated, the exhaust ball 505 presses the self-separating isolation film 506, the self-separating isolation film 506 is torn, and the air flow in the transformer case 1 can be rapidly exhausted from the opening of the self-separating isolation film 506 through the air flow exhausted from the elastic diaphragm 503, when the temperature in the device is low, two adjacent isolation films on the separation isolation film 506 are attached to each other;

referring to fig. 3-6, an expansion ball 7 is filled between a sealing plate 502 and an elastic diaphragm 503, the expansion ball 7 includes a hollow tennis ball 701, expansion particles 702 are filled in the hollow tennis ball 701, the hollow tennis ball 701 is made of elastic rubber, the expansion particles 702 are micro-balloons filled with dry ice, after the expansion ball 7 is heated and expanded, a space between the sealing plate 502 and the elastic diaphragm 503 is rapidly expanded, so that an exhaust column 504 on the self-separating diaphragm 503 extrudes the self-separating diaphragm 506, so that the exhaust column 504 torn from the self-separating diaphragm 506 is made of rigid PVC material, a plurality of uniformly distributed vent holes are cut on the exhaust column 504, the exhaust ball 505 is a hollow metal bead, vent holes are cut on the hollow metal bead, the self-separating diaphragm 506 includes a plurality of heat insulation films, an elastic line is connected between two adjacent heat insulation films, so that a large gap can be generated after the plurality of heat insulation films are separated after the self-separating diaphragm 506 is extruded, and after cooling and shrinking, the joints of the heat insulation films can be mutually sealed.

When the self-separation isolating membrane 506 is used, external air flow enters the transformer shell 1 through the air inlet mechanism 6, the one-way air valve 304 is closed when the temperature sensor on the air inlet mechanism 6 detects that the temperature in the transformer shell 1 is low, in the air inlet process, the transformer main body in the transformer shell 1 emits heat, so that the air in the transformer shell 1 is heated and expanded, at the moment, the hot air in the transformer shell 1 is contacted with the exhaust mechanism 5, expansion particles 702 in an expansion ball 7 in the exhaust mechanism 5 are heated and expanded, the expanded expansion particles 702 rapidly absorb the heat in the air flow and pressurize the elastic membrane 503 along with the air flow, so that the elastic membrane 503 expands outwards, the space between the sealing plate 502 and the elastic membrane 503 is expanded after the expansion ball 7 expands, at the moment, the exhaust column 504 presses the self-separation isolating membrane 506, so that the self-separation isolating membrane 506 bends outwards, and the self-separation isolating membrane 506 is formed by a plurality of heat insulation membranes connected through elastic, the self-separating barrier film 506 is pressed to form a gap between the barrier films, so that the air flow discharged from the exhaust column 504 can be rapidly discharged;

when the temperature in the transformer housing 1 is not high, the air flow is discharged outwards only through the through holes in the exhaust ball 505, so that the exchange between the device and the external air flow is slow, in the process of discharging the air flow, the axial flow fan 401 works to accelerate the circulation of the air flow in the transformer housing 1, so that the circulated air flow exchanges heat with the oil guide pipe 2, the heat part of the oil guide pipe 2 is carried and discharged by the air flow, the heat dissipation work of the heat exchange fins 4 is shared, and the heat conduction oil in the oil guide pipe 2 is cooled rapidly.

This scheme can realize when intensifing in the transformer, can be with the hot-air quick discharge in the device, and the air inlet and the exhaust of device are the automatic breathing form, carry out oneself according to the temperature condition in the device and take a breath the cooling, make the device during operation, its inside temperature remains stable, prevents that the device is impaired because of overheated.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a from breathing formula heat dissipation type transformer, includes transformer housing (1), install transformer main body in transformer housing (1), its characterized in that: the transformer shell (1) is fixedly connected with a pair of breathing type heat exchange shells (3), the breathing heat exchange shell (3) comprises a heat insulation shell (301), a plurality of vent holes which are uniformly distributed are drilled on the heat insulation shell (301), a pair of clapboards (302) are fixedly connected on the inner wall of the heat insulation shell (301), an exhaust mechanism (5) is fixedly connected on the clapboards (302), an air inlet mechanism (6) is connected between the pair of clapboards (302), an isolating ring (303) matched with the clapboard (302) is fixedly connected on the inner wall of the transformer shell (1), a plurality of one-way air valves (304) are fixedly connected to the isolating ring (303), a plurality of oil guide pipes (2) which are uniformly distributed and connected with the transformer main body are fixedly connected to the other pair of outer walls of the transformer shell (1), and heat exchange fins (4) are connected between every two adjacent oil guide pipes (2).

2. A self-breathing heat-dissipating transformer according to claim 1, wherein: exhaust mechanism (5) include trachea (501), fixedly connected with closing plate (502) on trachea (501), the one end fixedly connected with elastic diaphragm (503) of trachea (501) are kept away from in closing plate (502), a plurality of exhaust columns of fixedly connected with (504) are gone up in elastic diaphragm (503), fixedly connected with air discharge ball (505) is gone up in air discharge column (504), air discharge ball (505) are gone up and are chiseled a plurality of evenly distributed's exhaust hole, fixedly connected with is from separating barrier film (506) on the inner wall of air discharge ball (505), fixedly connected with and air discharge ball (505) assorted heat insulating board (8) between adiabatic shell (301) and baffle (302).

3. A self-breathing heat-dissipating transformer according to claim 1, wherein: air inlet mechanism (6) include the air-supply line, install temperature sensor and sand control filter screen in the air-supply line.

4. A self-breathing heat-dissipating transformer according to claim 1, wherein: one end, located in the transformer shell (1), of one of the heat exchange fins (4) is fixedly connected with an axial flow fan (401), and the other end, located in the transformer shell (1), of the heat exchange fins (4) is provided with ventilation holes.

5. A self-breathing heat-dissipating transformer according to claim 1, wherein: an expansion ball (7) is filled between the sealing plate (502) and the elastic diaphragm (503), the expansion ball (7) comprises a hollow tennis ball (701), expansion particles (702) are filled in the hollow tennis ball (701), the hollow tennis ball (701) is made of elastic rubber, and the expansion particles (702) are micro-air bags filled with dry ice.

6. A self-breathing heat-dissipating transformer according to claim 1, wherein: exhaust column (504) are made by rigid PVC material, it has a plurality of evenly distributed's ventilation hole to cut on exhaust column (504), air discharge ball (505) are hollow metal pearl, it has the exhaust hole to cut on the hollow metal pearl.

7. A self-breathing heat-dissipating transformer according to claim 1, wherein: a heat insulation plate (8) is connected between the pair of isolation rings (303), and one end, close to the transformer main body, of the heat insulation plate (8) is fixedly connected with a plurality of heat conduction columns which are uniformly distributed.

8. A self-breathing heat-dissipating transformer according to claim 1, wherein: the self-separation isolating membrane (506) comprises a plurality of heat-insulating membranes, an elastic wire is connected between every two adjacent heat-insulating membranes, and the upper end and the lower end of each heat-insulating membrane are fixedly connected with magnet layers.