CN215578091U

CN215578091U - High-quality distribution transformer with better radiating effect

Info

Publication number: CN215578091U
Application number: CN202122312400.4U
Authority: CN
Inventors: 陈�峰; 王铁洪
Original assignee: Hebei Xin Huan Tong Transformer Manufacturing Co ltd
Current assignee: Hebei Xin Huan Tong Transformer Manufacturing Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-01-18
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses a high-quality distribution transformer with a better heat dissipation effect, which comprises a box body, wherein the box body is fixedly connected with the distribution transformer, the top end of the box body is fixedly connected with a plurality of insulating terminals, and the insulating terminals are electrically connected with the distribution transformer; a cooling circulation pipeline is fixedly connected to the outer side of the distribution transformer and is positioned in the box body; the outer wall is fixedly connected with a cooling liquid circulating mechanism, the cooling liquid circulating mechanism comprises a liquid storage tank fixedly connected with the outer wall at the bottom of the box body and a pump liquid part fixedly connected with the outer wall at the top of the box body, the liquid storage tank is communicated with the pump liquid part, the liquid outlet end of the cooling circulating pipeline is communicated with the liquid storage tank, and the liquid inlet end of the cooling circulating pipeline is communicated with the pump liquid part; an exhaust fan is fixedly connected to opposite side walls of the box body, a double-output-shaft motor is fixedly connected to the outer wall of the box body, two ends of the double-output-shaft motor are in transmission connection with the exhaust fan respectively, and the double-output-shaft motor is in transmission connection with the pump liquid portion. The utility model has good heat dissipation effect and can well ensure the reliability of the operation process of the distribution transformer.

Description

High-quality distribution transformer with better radiating effect

Technical Field

The utility model relates to the technical field of transformers, in particular to a high-quality distribution transformer with a good heat dissipation effect.

Background

Distribution transformer, refers to a kind of static electric appliance used in distribution system to transform AC voltage and current according to the law of electromagnetic induction and transmit AC energy. The electricity used in our lives is transmitted to a transformer by high voltage and then transmitted to our families for our use.

Can produce a large amount of heats in distribution transformer's working process, the heat of production if can not obtain timely effluvium, then can lead to distribution transformer's inside high temperature, and then leads to inside electrical components to damage because of overheated to influence distribution transformer's normal operating, reduce distribution transformer's life.

Therefore, it is desirable to design a high-quality distribution transformer with better heat dissipation effect to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-quality distribution transformer with a better heat dissipation effect so as to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following scheme: the utility model provides a high-quality distribution transformer with a better heat dissipation effect, which comprises a box body, wherein the box body is fixedly connected with the distribution transformer, the top end of the box body is fixedly connected with a plurality of insulating terminals, and the insulating terminals are electrically connected with the distribution transformer;

a cooling circulation pipeline is fixedly connected to the outer side of the distribution transformer and is positioned in the box body; a cooling liquid circulating mechanism is fixedly connected to the outer wall of the box body, the cooling liquid circulating mechanism comprises a liquid storage tank fixedly connected with the outer wall of the bottom of the box body and a liquid pumping part fixedly connected with the outer wall of the top of the box body, the liquid storage tank is communicated with the liquid pumping part, the liquid outlet end of the cooling circulating pipeline is communicated with the liquid storage tank, and the liquid inlet end of the cooling circulating pipeline is communicated with the liquid pumping part;

the equal rigid coupling of box relative lateral wall has the exhaust fan, the outer wall rigid coupling of box has dual output shaft motor, the both ends of dual output shaft motor respectively with the exhaust fan transmission is connected, just dual output shaft motor with pump liquid portion transmission is connected.

Preferably, the liquid pumping part comprises a liquid pumping assembly and a liquid pumping cylinder body fixedly connected with the side wall of the box body, the liquid pumping cylinder body is positioned above the liquid pumping assembly, the top end of the liquid pumping cylinder body is communicated with the liquid storage tank, and the top of the liquid pumping cylinder body is communicated with the oil inlet end of the cooling circulation pipeline; a piston is connected in the liquid pumping cylinder body in a sliding manner, and the bottom end of the piston is fixedly connected with the liquid pumping assembly; and the motor with double output shafts is in transmission connection with the pump liquid assembly.

Preferably, the liquid pumping assembly comprises a cylinder fixedly connected with the outer wall of the box body, and the cylinder is positioned below the liquid pumping cylinder; the bottom end of the cylinder body is rotatably connected with a rotating disc, the rotating disc is in transmission connection with the motor with the double output shafts, and the top end of the rotating disc is fixedly connected with an expansion piece; a guide plate is obliquely arranged above the telescopic piece and is fixedly connected with the inner wall of the cylinder; the middle part of the top end of the telescopic part is fixedly connected with a piston rod, the top end of the piston rod sequentially penetrates through the guide plate, the top end of the cylinder body, the bottom end of the pump liquid cylinder body and the piston bottom end of the telescopic part are fixedly connected, and the piston rod is in sliding connection with the guide plate, the cylinder body and the pump liquid cylinder body.

Preferably, the telescopic part comprises a guide rod fixedly connected to the middle of the top end of the rotating disc, a guide sleeve is sleeved on the guide rod in a limiting and sliding manner, a spring is fixedly connected to the top end of the guide rod, and the tail end of the spring is fixedly connected with the inner wall of the top end of the guide sleeve; a plurality of limiting rods are fixedly connected to the edge part of the top end of the rotating disc and are distributed at equal intervals in the circumferential direction, and the limiting rods extend into the guide sleeve and are in sliding connection with the guide sleeve; the outer wall rigid coupling in uide bushing top has the guide post, the guide post top with deflector bottom butt.

Preferably, the cooling circulation pipeline comprises a liquid inlet ring pipe and a liquid outlet ring pipe which are fixedly sleeved on the distribution transformer, and the liquid inlet ring pipe is positioned below the liquid outlet ring pipe; a plurality of cooling pipes are arranged on the opposite sides of the distribution transformer, the cooling pipes are positioned between the liquid inlet ring pipe and the liquid outlet ring pipe, the liquid inlet ends of the cooling pipes are communicated with the liquid inlet ring pipe, and the liquid outlet ends of the cooling pipes are communicated with the liquid outlet ring pipe; the liquid inlet ring pipe is communicated with the top of the pump liquid cylinder body, and the liquid outlet ring pipe is communicated with the top of the liquid storage tank.

Preferably, the cooling pipe is a spiral cooling pipe.

Preferably, fixed cover is equipped with first belt pulley on the main shaft of exhaust fan, the equal rigid coupling of two output shaft ends of dual output shaft motor has the second belt pulley, first belt pulley with the second belt pulley passes through belt transmission and connects.

Preferably, the bottom end of the cylinder body is rotatably connected with a worm wheel, the worm wheel is fixedly connected with the rotating disc in a coaxial mode, an output shaft of the motor with double output shafts, which is close to one side of the cylinder body, is fixedly connected with a worm, and the worm wheel is meshed with the worm.

The utility model discloses the following technical effects:

1. the cooling system is provided with the liquid pumping mechanism and the cooling circulation pipeline, and circulating cooling liquid flow is formed in the circulating cooling pipeline through the liquid pumping mechanism, so that the heat dissipation speed of the distribution transformer is increased, and the reliability of the operation process of the distribution transformer is further ensured.

2. The cooling device is provided with the exhaust fan, so that the heat dissipation effect of the cooling circulation pipeline is accelerated through the exhaust fan, the cooling effect on the distribution transformer is further improved, and the operation reliability of the distribution transformer is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is an isometric view of a superior distribution transformer having better heat dissipation according to the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is an isometric view of the power distribution transformer and cooling circuit of the present invention in one direction;

FIG. 4 is an isometric view of the electrical transformer and cooling circuit of the present invention in another orientation;

FIG. 5 is an isometric view of the pumping mechanism of the present invention;

FIG. 6 is a cross-sectional view of the liquid pumping portion of the present invention;

FIG. 7 is an enlarged view of B in FIG. 6;

FIG. 8 is a cross-sectional view of the fluid pumping assembly of the present invention;

the device comprises a box body 1, an insulating terminal 2, an exhaust fan 3, a first belt pulley 4, a belt 5, a second belt pulley 6, a double-output shaft motor 7, a liquid storage tank 8, a first connecting pipe 9, a second connecting pipe 10, a second one-way valve 11, a first one-way valve 12, a pump liquid cylinder 13, a cylinder 14, a guide column 15, a worm 16, a worm wheel 17, a distribution transformer 18, a cooling pipe 19, a fixing block 20, a liquid outlet ring pipe 21, a liquid outlet pipe 22, a liquid inlet pipe 23, a liquid inlet ring pipe 24, a piston 26, a piston rod 27, a guide plate 28, a guide sleeve 29, a spring 30, a guide rod 31, a limiting rod 32 and a rotating disc 33.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

The utility model provides a high-quality distribution transformer with a better heat dissipation effect, which comprises a box body 1, wherein a distribution transformer 18 is fixedly connected in the box body 1, a plurality of insulating terminals 2 are fixedly connected at the top end of the box body 1, and the insulating terminals 2 are electrically connected with the distribution transformer 18;

a cooling circulation pipeline is fixedly connected to the outer side of the distribution transformer 18 and is positioned in the box body 1; a cooling liquid circulating mechanism is fixedly connected to the outer wall of the box body 1, the cooling liquid circulating mechanism comprises a liquid storage tank 8 fixedly connected with the outer wall of the bottom of the box body 1 and a liquid pumping part fixedly connected with the outer wall of the top of the box body 1, the liquid storage tank 8 is communicated with the liquid pumping part, the liquid outlet end of a cooling circulating pipeline is communicated with the liquid storage tank 8, and the liquid inlet end of the cooling circulating pipeline is communicated with the liquid pumping part;

an exhaust fan 3 is fixedly connected with opposite side walls of the box body 1, a double-output-shaft motor 7 is fixedly connected with the outer wall of the box body 1, two ends of the double-output-shaft motor 7 are in transmission connection with the exhaust fan 3 respectively, and the double-output-shaft motor 7 is in transmission connection with the pump liquid part.

Furthermore, two fixed blocks 20 are fixedly connected to the bottom end of the distribution transformer 18, and the distribution transformer 18 is fixedly connected to the bottom end of the box body 1 through the fixed blocks 20.

Further, the liquid pumping part comprises a liquid pumping assembly and a liquid pumping cylinder 13 fixedly connected with the side wall of the box body 1, the liquid pumping cylinder 13 is positioned above the liquid pumping assembly, the top end of the liquid pumping cylinder 13 is communicated with the liquid storage tank 8, and the top of the liquid pumping cylinder 13 is communicated with the oil inlet end of the cooling circulation pipeline; a piston 26 is connected in the pump liquid cylinder 13 in a sliding manner, and the bottom end of the piston 26 is fixedly connected with the pump liquid assembly; and the double-output-shaft motor 7 is in transmission connection with the pump liquid assembly.

Further, the bottom of the liquid storage tank 8 is fixedly communicated with a first connecting pipe 9, and the tail end of the first connecting pipe 9 is communicated with a pump cylinder body 13 through a first one-way valve 12.

Further, the liquid pumping assembly comprises a cylinder 14 fixedly connected with the outer wall of the box body 1, and the cylinder 14 is positioned below the liquid pumping cylinder 13; the bottom end of the cylinder 14 is rotatably connected with a rotating disc 33, the rotating disc 33 is in transmission connection with the double-output-shaft motor 7, and the top end of the rotating disc 33 is fixedly connected with an expansion piece; a guide plate 28 is obliquely arranged above the telescopic piece, and the guide plate 28 is fixedly connected with the inner wall of the cylinder 14; the middle part of the top end of the telescopic part is fixedly connected with a piston rod 27, the top end of the piston rod 27 sequentially penetrates through the guide plate 28, the top end of the cylinder 14 and the bottom end of the pump liquid cylinder 13 and is fixedly connected with the bottom end of the piston 26, and the piston rod 27 is in sliding connection with the guide plate 28, the cylinder 14 and the pump liquid cylinder 13.

Furthermore, the telescopic part comprises a guide rod 31 fixedly connected to the middle of the top end of the rotating disc 33, a guide sleeve 29 is sleeved on the guide rod 31 in a limiting sliding mode, a spring 30 is fixedly connected to the top end of the guide rod 31, and the tail end of the spring 30 is fixedly connected with the inner wall of the top end of the guide sleeve 29; a plurality of limiting rods 32 are fixedly connected to the edge part of the top end of the rotating disc 33, the limiting rods 32 are circumferentially distributed at equal intervals, and the limiting rods 32 extend into the guide sleeve 29 and are in sliding connection with the guide sleeve 29; the outer wall of the top end of the guide sleeve 29 is fixedly connected with a guide post 15, and the top end of the guide post 15 is abutted against the bottom end of the guide plate 28. The rotating disc 33 drives the guide sleeve 29 to rotate, the guide sleeve 29 drives the guide post 15 to rotate, and due to the guide plate 28 which is obliquely arranged and the spring 30 arranged at the top end of the guide rod 31, the guide post 15 is driven to move along the guide plate 28 along with the rotation of the guide sleeve 29, so that the guide sleeve 29 is driven to reciprocate up and down along the guide rod 31, the piston rod 27 is driven to move up and down, and the piston 26 moves up and down in the pump cylinder body 13.

Further, the cooling circulation pipeline comprises a liquid inlet loop 24 and a liquid outlet loop 21 which are fixedly sleeved on the distribution transformer 18, and the liquid inlet loop 24 is positioned below the liquid outlet loop 21; a plurality of cooling pipes 19 are arranged on the opposite sides of the distribution transformer 18, the cooling pipes 19 are positioned between the liquid inlet ring pipe 24 and the liquid outlet ring pipe 21, the liquid inlet ends of the cooling pipes 19 are communicated with the liquid inlet ring pipe 24, and the liquid outlet ends of the cooling pipes 19 are communicated with the liquid outlet ring pipe 21; the liquid inlet ring pipe 24 is communicated with the top of the pump liquid cylinder body 13, and the liquid outlet ring pipe 21 is communicated with the top of the liquid storage tank 8.

Furthermore, the top of the pump cylinder 13 is connected with a second connecting pipe 10 through a second one-way valve 11, and the end of the second connecting pipe 10 is connected with a liquid inlet loop 24.

When the piston 26 moves downwards, the first one-way valve 12 is conducted, the second one-way valve 11 is closed, at the moment, cooling liquid flows into the pump liquid cylinder body 13 from the cooling box along the first connecting pipe 9, when the piston 26 moves upwards, the first one-way valve 12 is closed, the second one-way valve 11 is conducted, at the moment, the cooling liquid flows into the liquid inlet annular pipe 24 along the second connecting pipe 10, the cooling liquid in the original cooling pipe 19 flows into the oil storage box along the liquid outlet annular pipe 21, circulation of the cooling liquid is achieved through reciprocating motion of the piston 26, heat generated by the distribution transformer 18 is taken out from the cooling pipe 19, cooling and heat dissipation of the distribution transformer 18 are achieved, and heat dissipation efficiency is improved.

Further, the piston 26 is always located below the junction of the pump fluid tank and the second connecting pipe 10.

Further, a liquid inlet pipe 23 is fixedly communicated with the liquid inlet ring pipe 24, a liquid outlet pipe 22 is fixedly communicated with the liquid outlet ring pipe 21, the liquid inlet ring pipe 24 is communicated with the second connecting pipe 10 through the liquid inlet pipe 23, and the liquid outlet ring pipe 21 is communicated with the liquid storage box 8 through the liquid outlet pipe 22.

Further, the cooling pipe 19 is a spiral cooling pipe. By setting the cooling pipe 19 to be spiral, the length of the cooling pipe 19 is prolonged, the heat absorption efficiency is improved, the heat dissipation efficiency is further guaranteed, and the operation reliability of the distribution transformer 18 is guaranteed.

Furthermore, a first belt pulley 4 is fixedly sleeved on a main shaft of the exhaust fan 3, two output shaft ends of a motor 7 with double output shafts are fixedly connected with a second belt pulley 6, and the first belt pulley 4 and the second belt pulley 6 are in transmission connection through a belt 5. The double-output-shaft motor 7 drives the second belt pulley 6 to rotate, the belt 5 drives the first belt pulley 4 to rotate, the exhaust fan 3 is driven to rotate, the heat dissipation effect of the cooling pipe 19 is accelerated through the exhaust fan 3, the cooling effect of the distribution transformer 18 is improved, and the running reliability of the distribution transformer 18 is guaranteed.

Further, the bottom end of the cylinder 14 is rotatably connected with a worm wheel 17, the worm wheel 17 is fixedly connected with the rotating disc 33 in a coaxial mode, an output shaft of the double-output-shaft motor 7, which is close to one side of the cylinder 14, is fixedly connected with a worm 16, and the worm wheel 17 is meshed with the worm 16.

The specific implementation mode is as follows: starting the double-output-shaft motor 7, rotating the double-output-shaft motor 7 to drive the worm 16 to rotate, the worm 16 to drive the worm wheel 17 meshed with the worm to rotate, the worm wheel 17 to drive the rotating disc 33 meshed with the worm wheel to rotate, the rotating disc 33 further to drive the guide sleeve 29 to rotate, the guide sleeve 29 to drive the guide post 15 at the top end to rotate, due to the guide plate 28 arranged obliquely and the spring 30 arranged at the top end of the guide rod 31, the guide post 15 is driven to move along the guide plate 28 along with the rotation of the guide sleeve 29, the guide sleeve 29 is driven to reciprocate up and down along the guide rod 31, the piston rod 27 is driven to move up and down, the piston 26 moves up and down in the pump fluid cylinder body 13, the first one-way valve 12 is conducted when the piston 26 moves down, the second one-way valve 11 is closed, at the moment, the cooling fluid flows from the cooling tank into the pump fluid cylinder body 13 along the first connecting pipe 9, and the first one-way valve 12 is closed when the piston 26 moves up, when the second one-way valve 11 is conducted, the cooling liquid flows into the liquid inlet ring pipe 24 along the second connecting pipe 10, the cooling liquid in the original cooling pipe 19 flows into the oil storage tank along the liquid outlet ring pipe 21, the circulation of the cooling liquid is realized through the reciprocating motion of the piston 26, the heat generated by the distribution transformer 18 is taken out from the cooling pipe 19, and the cooling and heat dissipation of the distribution transformer 18 are realized;

drive second belt pulley 6 and rotate in the operation of dual output shaft motor 7, drive first belt pulley 4 through belt 5 and rotate, and then drive exhaust fan 3 and rotate, accelerate the radiating effect of cooling tube 19 through exhaust fan 3, and then improve the cooling effect to distribution transformer 18, guarantee the reliability of distribution transformer 18 operation.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. The utility model provides a high-quality distribution transformer with better radiating effect which characterized in that: the transformer box comprises a box body (1), wherein a distribution transformer (18) is fixedly connected in the box body (1), a plurality of insulating terminals (2) are fixedly connected to the top end of the box body (1), and the insulating terminals (2) are electrically connected with the distribution transformer (18);

a cooling circulation pipeline is fixedly connected to the outer side of the distribution transformer (18), and the cooling circulation pipeline is positioned in the box body (1); a cooling liquid circulating mechanism is fixedly connected to the outer wall of the box body (1), the cooling liquid circulating mechanism comprises a liquid storage box (8) fixedly connected with the outer wall of the bottom of the box body (1) and a liquid pumping part fixedly connected with the outer wall of the top of the box body (1), the liquid storage box (8) is communicated with the liquid pumping part, the liquid outlet end of the cooling circulating pipeline is communicated with the liquid storage box (8), and the liquid inlet end of the cooling circulating pipeline is communicated with the liquid pumping part;

the equal rigid coupling of box (1) relative lateral wall has exhaust fan (3), the outer wall rigid coupling of box (1) has dual output shaft motor (7), the both ends of dual output shaft motor (7) respectively with exhaust fan (3) transmission is connected, just dual output shaft motor (7) with pump liquid portion transmission is connected.

2. A high quality distribution transformer with improved heat dissipation as defined in claim 1, wherein: the liquid pumping part comprises a liquid pumping assembly and a liquid pumping cylinder body (13) fixedly connected with the side wall of the box body (1), the liquid pumping cylinder body (13) is positioned above the liquid pumping assembly, the top end of the liquid pumping cylinder body (13) is communicated with the liquid storage tank (8), and the top of the liquid pumping cylinder body (13) is communicated with the oil inlet end of the cooling circulation pipeline; a piston (26) is connected in the pump liquid cylinder body (13) in a sliding manner, and the bottom end of the piston (26) is fixedly connected with the pump liquid assembly; and the double-output-shaft motor (7) is in transmission connection with the pump liquid assembly.

3. A high quality distribution transformer with improved heat dissipation as defined in claim 2, wherein: the liquid pumping assembly comprises a cylinder (14) fixedly connected with the outer wall of the box body (1), and the cylinder (14) is positioned below the liquid pumping cylinder (13); the bottom end of the cylinder body (14) is rotatably connected with a rotating disc (33), the rotating disc (33) is in transmission connection with the double-output-shaft motor (7), and the top end of the rotating disc (33) is fixedly connected with a telescopic piece; a guide plate (28) is obliquely arranged above the telescopic piece, and the guide plate (28) is fixedly connected with the inner wall of the cylinder (14); the utility model discloses a pump liquid cylinder, including extensible member, telescopic piece top middle part rigid coupling has piston rod (27), piston rod (27) top is run through in proper order deflector (28) barrel (14) top pump liquid cylinder body (13) bottom and with piston (26) bottom rigid coupling, just piston rod (27) with deflector (28) barrel (14) pump liquid cylinder body (13) all sliding connection.

4. A high quality distribution transformer with improved heat dissipation as defined in claim 3, wherein: the telescopic piece comprises a guide rod (31) fixedly connected to the middle of the top end of the rotating disc (33), a guide sleeve (29) is sleeved on the guide rod (31) in a limiting sliding mode, a spring (30) is fixedly connected to the top end of the guide rod (31), and the tail end of the spring (30) is fixedly connected with the inner wall of the top end of the guide sleeve (29); a plurality of limiting rods (32) are fixedly connected to the edge of the top end of the rotating disc (33), the limiting rods (32) are circumferentially distributed at equal intervals, and the limiting rods (32) extend into the guide sleeve (29) and are in sliding connection with the guide sleeve (29); the outer wall of the top end of the guide sleeve (29) is fixedly connected with a guide column (15), and the top end of the guide column (15) is abutted against the bottom end of the guide plate (28).

5. A high quality distribution transformer with improved heat dissipation as defined in claim 2, wherein: the cooling circulation pipeline comprises a liquid inlet ring pipe (24) and a liquid outlet ring pipe (21) which are fixedly sleeved on the distribution transformer (18), and the liquid inlet ring pipe (24) is positioned below the liquid outlet ring pipe (21); a plurality of cooling pipes (19) are arranged on the opposite sides of the distribution transformer (18), the cooling pipes (19) are positioned between the liquid inlet ring pipe (24) and the liquid outlet ring pipe (21), the liquid inlet ends of the cooling pipes (19) are communicated with the liquid inlet ring pipe (24), and the liquid outlet ends of the cooling pipes (19) are communicated with the liquid outlet ring pipe (21); the liquid inlet ring pipe (24) is communicated with the top of the pump liquid cylinder body (13), and the liquid outlet ring pipe (21) is communicated with the top of the liquid storage tank (8).

6. A high-quality distribution transformer with better heat dissipation effect as set forth in claim 5, characterized in that: the cooling pipe (19) is a spiral cooling pipe.

7. A high quality distribution transformer with improved heat dissipation as defined in claim 1, wherein: the fixed cover is equipped with first belt pulley (4) on the main shaft of exhaust fan (3), the equal rigid coupling of two output shaft ends of dual output shaft motor (7) has second belt pulley (6), first belt pulley (4) with second belt pulley (6) are through belt (5) transmission connection.

8. A high quality distribution transformer with improved heat dissipation as defined in claim 3, wherein: barrel (14) bottom is rotated and is connected with worm wheel (17), worm wheel (17) with the coaxial rigid coupling of rolling disc (33), dual output shaft motor (7) are close to the output shaft rigid coupling of barrel (14) one side has worm (16), worm wheel (17) with worm (16) mesh mutually.