CN210606889U

CN210606889U - Transformer

Info

Publication number: CN210606889U
Application number: CN201921701084.6U
Authority: CN
Inventors: 陆方明
Original assignee: Wuxi Kaida Telecom Electric Co Ltd
Current assignee: Wuxi Kaida Telecom Electric Co Ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-05-22
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a transformer belongs to transformer technical field, aims at providing a transformer that can evenly dispel the heat. The technical scheme is as follows: the utility model provides a transformer, which comprises an outer shell, the setting is the transformer body in the shell, be equipped with heat abstractor on the shell, heat abstractor is including locating the oil guide chamber on the shell inner wall, the play oil pipe of setting on the shell outer wall, the oil pipe that advances of setting on the shell outer wall, the first hydraulic pump of setting on an oil pipe, the second hydraulic pump of setting on advancing oil pipe, with play oil pipe and the cooling tube that advances oil pipe intercommunication, the oil guide chamber is annular cavity, it is full of transformer oil to lead the oil intracavity, still be equipped with air-cooled subassembly on the shell. The utility model discloses a cooperation of first hydraulic pump and second hydraulic pump makes transformer oil circulate the heat dissipation in oil guide cavity, play oil pipe, cooling tube, oil feed pipe, and because oil guide cavity surrounds the transformer body, transformer oil can follow a plurality of angles and dispel the heat to the transformer body to reach even radiating effect.

Description

Transformer

Technical Field

The utility model relates to a transformer technical field, in particular to transformer.

Background

The transformer is a complete set of transformation equipment, can be used for terminal power supply and looped network power supply, and the conversion is very convenient, has guaranteed reliability and the flexibility of power supply, but the transformer can produce a lot of heats in the operation process, so need be equipped with corresponding heat dissipation equipment. At present, the common heat dissipation modes of the transformer are oil circulation heat dissipation and air cooling heat dissipation.

Chinese patent No. CN205230727U discloses a high-efficiency transformer heat dissipation device, which comprises a heat dissipation chamber, a heat dissipation fan, an oil tank, an oil guiding pipe, a sun-proof cover, a heat conducting pipe and a heat dissipating fin, wherein the heat dissipation fan and the heat dissipating fin are installed outside the heat dissipation chamber, the heat conducting pipe, the oil tank and the oil guiding pipe are installed inside the heat dissipation chamber, the sun-proof cover is installed at the top of the heat dissipation chamber, the heat dissipating fin is connected with the oil tank through the oil guiding pipe, the heat dissipating fin is connected with the heat conducting pipe, the heat conducting pipe abuts against the transformer, and a.

The efficient transformer heat dissipation device is provided with the heat dissipation fins and the heat dissipation fan, namely, the heat dissipation fins and the heat dissipation fan are used for dissipating heat through oil circulation and air cooling, heat generated by the transformer can be dissipated quickly, in the actual use process, the heat conduction pipe and the heat dissipation fins are only arranged on one side face of the heat dissipation chamber, and therefore the heat dissipation effect close to the heat conduction pipe portion is superior to the heat dissipation effect far away from the heat conduction pipe portion, and the heat dissipation effect on the transformer is uneven.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a transformer has even radiating advantage.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a transformer, includes the shell, sets up the transformer body in the shell, be equipped with heat abstractor on the shell, heat abstractor is including locating the oil pocket that leads on the shell inner wall, set up on the shell outer wall with lead the play oil pipe of oil pocket intercommunication, set up on the shell outer wall with lead the oil pipe that advances of oil pocket intercommunication, set up the first hydraulic pump on going out oil pipe, set up the second hydraulic pump on advancing oil pipe, with go out oil pipe and advance the cooling tube of oil pipe intercommunication, it is annular cavity to lead the oil pocket, be equipped with the oiling mouth on the shell, oiling mouth and lead oil pocket intercommunication, be equipped with the spiral cover on the oiling mouth, it is full of transformer oil to lead the oil intracavity, still be equipped with the forced air cooling subassembly on.

Through adopting above-mentioned technical scheme, lead the transformer oil of oil intracavity and can absorb the heat that the transformer body produced, then first hydraulic pump inhales the cooling tube with transformer oil from leading the oil intracavity, dispels the heat and cools off, and second hydraulic pump inhales transformer oil from the cooling tube back again and leads the oil intracavity and continue to cool off the transformer. Because the oil guide cavity is an annular cavity, the transformer oil can absorb heat from four sides of the transformer, so that the effect of uniform heat dissipation is realized; in addition, the air cooling component can perform the air cooling and heat dissipation effects on the transformer.

Furthermore, the air cooling assembly comprises an air cooler arranged on the outer wall of the shell and an air supply pipe connected to the air cooler, and the air supply pipe is communicated with the shell and extends to the inside of the shell.

Through adopting above-mentioned technical scheme, the air-cooler is bloied through the blast pipe to the transformer body in the shell, realizes the forced air cooling heat dissipation, reaches the effect that further improves the heat dissipation degree of consistency.

Furthermore, the one end that the blast pipe extends to the shell inside is equipped with the jet head, the jet head is located the inside of shell, the jet head is the loudspeaker form, the surface of jet head is equipped with a plurality of fumaroles.

Through adopting above-mentioned technical scheme, the range of blowing of blast pipe can be enlarged to the jet-propelled head for transformer body receives the wind more evenly, reaches the even effect of heat dissipation.

Further, the air cooling assembly further comprises an air supply branch pipe arranged on the air supply pipe, one end, far away from the air supply pipe, of the air supply branch pipe is located above the radiating pipe, and the opening of the air supply branch pipe is opposite to the radiating pipe.

Through adopting above-mentioned technical scheme, the cold wind that the air-cooler blew off blows to the cooling tube through air supply branch pipe, cools off the heat dissipation to the transformer oil in the cooling tube, improves the radiating efficiency of transformer oil.

Further, go out the oil pipe keep away from the shell one end advance oil pipe and keep away from the shell one end all connect and be equipped with the shunt tubes, the cooling tube is connected between two shunt tubes, the cooling tube evenly is equipped with many.

Through adopting above-mentioned technical scheme, many cooling tubes can realize cooling more transformer oil simultaneously, have improved transformer oil's cooling efficiency.

Furthermore, the radiating pipe is arranged in a wave shape.

Through adopting above-mentioned technical scheme, increased the length of cooling tube, increased the area of contact of cooling tube with cold wind simultaneously, improved the cooling efficiency of transformer oil.

Further, the outer wall of the shell is connected with a heat dissipation cover, the heat dissipation cover is wrapped outside the heat dissipation device, and the air supply branch pipe is communicated with the heat dissipation cover.

By adopting the technical scheme, the heat dissipation cover can protect the heat dissipation device and prevent the heat dissipation device from mistakenly colliding with the outside; meanwhile, the heat dissipation cover can collect cold air, and the cooling effect of the transformer oil is improved.

Furthermore, the opposite surface of the side wall of the shell communicated with the blast pipe and the side wall of the heat dissipation cover are both provided with ventilation openings.

Through adopting above-mentioned technical scheme, the air that the blast pipe insufflates in the shell can be followed the vent and discharged, and the air that air supply branch pipe blows to in the heat exchanger that looses can be followed the vent and discharged, has reduced in the shell and the unable circumstances of in time discharging of cold wind in the heat exchanger that looses.

To sum up, the utility model discloses following beneficial effect has:

1. the heat dissipation device is arranged, so that the effect of uniform heat dissipation can be achieved;

2. the air cooler, the air supply pipe and the air nozzle are arranged, so that the effects of further improving the heat dissipation efficiency and the heat dissipation uniformity of the transformer can be achieved;

3. through the setting of heat exchanger, air-cooler, air supply branch pipe, can play the effect that improves transformer oil cooling efficiency in the heat-radiating pipe.

Drawings

FIG. 1 is a schematic diagram of an embodiment for embodying an overall structure of a transformer;

FIG. 2 is a schematic diagram of an embodiment of a heat dissipation device and an internal structure of a housing;

fig. 3 is a schematic diagram for embodying the structure of the air injection head in the embodiment.

In the figure, 1, a housing; 2. a transformer body; 3. a heat sink; 31. an oil guide cavity; 32. an oil outlet pipe; 33. an oil inlet pipe; 34. a first hydraulic pump; 35. a second hydraulic pump; 36. a radiating pipe; 4. an oil filling port; 5. screwing a cover; 6. an air cooler; 7. an air supply pipe; 8. a gas showerhead; 9. an air supply branch pipe; 10. a heat dissipation cover; 11. a shunt tube; 12. a vent; 13. and (4) air injection holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a transformer, as shown in fig. 1 and 2, includes a case 1, and a transformer body 2 disposed inside the case 1. The housing 1 is provided with a heat dissipation device 3, and the heat dissipation device 3 includes an oil guide chamber 31, an oil outlet pipe 32, an oil inlet pipe 33, a first hydraulic pump 34, a second hydraulic pump 35, and a heat dissipation pipe 36. The shell 1 is rectangular, a door is arranged on one side surface of the shell through hinge connection, the inner wall of the oil guide cavity 31 attached to the shell 1 is a square annular cavity, the oil guide cavity 31 is not contacted with the side surface where the door is located, an oil inlet pipe 33 and an oil outlet pipe 32 are connected and arranged on the vertical side wall of the shell 1, the oil inlet pipe 33 and the oil outlet pipe 32 are communicated with the oil guide cavity 31, the oil outlet pipe 32 is located above the side wall where the oil outlet pipe is located, the oil inlet pipe 33 is located below the side wall where the oil inlet pipe is located, the oil outlet pipe 32 and the oil inlet pipe 33 are respectively communicated with two ends of the radiating pipe 36, the first hydraulic pump 34 is arranged on the oil outlet pipe 32, and the second hydraulic pump 35 is. In addition, an oil filling port 4 communicated with the oil guide cavity 31 is formed in the upper surface of the shell 1, and a screw cap 5 is connected to the oil filling port 4 in a threaded mode.

When the transformer oil cooling device is used, transformer oil is added into the oil guide cavity 31 through the oil filling port 4, so that the oil guide cavity 31 is filled with the transformer oil, the transformer oil can absorb heat generated by the transformer body 2, and due to the existence of the first hydraulic pump 34 and the second hydraulic pump 35, the transformer oil circularly moves in the oil guide cavity 31, the oil outlet pipe 32, the radiating pipe 36 and the oil inlet pipe 33, the transformer oil absorbing the heat is cooled when moving to the radiating pipe 36, and then returns to the oil guide cavity 31 again to absorb the heat, so that the continuous heat dissipation of the transformer is realized, and the transformer body 2 is surrounded by the oil guide cavity 31, so that the transformer can be cooled from various angles by the possible heat dissipation device 3, and the effect of uniform heat dissipation is achieved.

As shown in fig. 2, an air cooling assembly is arranged on the housing 1, and the air cooling assembly includes an air cooler 6 and an air supply pipe 7. Air-cooler 6 passes through bolted connection at the upper surface of shell 1, and blast pipe 7 is connected with the air outlet of air-cooler 6, and the one end that air-cooler 6 was kept away from to blast pipe 7 is connected on shell 1 AND gate relative lateral wall, and extends to inside shell 1. Through the setting of forced air cooling subassembly, air-cooler 6 blows cold wind to transformer body 2 through blast pipe 7 to the realization is to the forced air cooling heat dissipation of transformer, and cold wind cooperation heat abstractor 3 dispels the heat to the transformer simultaneously, can improve the radiating efficiency of transformer.

As shown in fig. 2 and 3, an air nozzle 8 is connected to one end of the air supply pipe 7 away from the air cooler 6, the air nozzle 8 is horn-shaped, and a plurality of evenly distributed air nozzles 13 are disposed on the surface of the air nozzle 8 close to the transformer body 2. The air nozzle 8 increases the blowing range of the air supply pipe 7, so that the transformer body 2 is more uniformly ventilated, and the heat dissipation of the transformer is more uniform.

As shown in fig. 2, the air cooling module further includes a branch blower pipe 9 disposed on the blower pipe 7, one end of the branch blower pipe 9 is communicated with the blower pipe 7, and the other end is located above the heat dissipating pipe 36, and the opening is opposite to the heat dissipating pipe 36. When the cold air assembly works, a part of cold air blown by the air cooler 6 is blown to the radiating pipe 36 through the air supply branch pipe 9, so that the transformer oil in the radiating pipe 36 is cooled, the cooling efficiency of the transformer oil in the radiating pipe 36 is improved, and the radiating effect of the radiating device 3 is improved.

As shown in fig. 2, the oil outlet pipe 32 and the oil inlet pipe 33 are both "L" shaped, the opening of the end of the oil outlet pipe 32 away from the housing 1 is downward, the opening of the end of the oil inlet pipe 33 away from the housing 1 is upward, the ends of the oil outlet pipe 32 and the oil inlet pipe 33 away from the housing 1 are respectively connected with the shunt pipes 11, the shunt pipes 11 are horizontally arranged, the two ends of the heat dissipation pipe 36 are respectively connected with the two shunt pipes 11, and five heat dissipation pipes 36 are uniformly distributed between the two shunt pipes 11. The plurality of radiating pipes 36 can cool a larger amount of transformer oil at the same time, thereby improving the cooling efficiency. In addition, the radiating pipe 36 is wave-shaped, so that on one hand, the length of the radiating pipe 36 is increased, the time spent by the transformer oil when the transformer oil passes through the radiating pipe 36 is longer, and the transformer oil is cooled more fully; on the other hand, the contact area between the heat dissipation pipe 36 and the cold air is increased, and the effect of improving the cooling efficiency of the transformer oil in the heat dissipation pipe 36 is also achieved.

As shown in fig. 2, a heat dissipation cover 10 is welded to the outer wall of the casing 1, the heat dissipation cover 10 is rectangular, the oil outlet pipe 32, the oil inlet pipe 33 and the heat dissipation pipe 36 are completely surrounded by the heat dissipation cover 10, and one end of the air supply branch pipe 9, which is far away from the air supply pipe 7, is communicated with the heat dissipation cover 10. The heat dissipation cover 10 can prevent the heat dissipation device 3 from colliding with the outside by mistake, and plays a role in protecting the heat dissipation device 3; in addition, the heat dissipation cover 10 can further collect the cool air blown from the air supply branch pipe 9, thereby further improving the cooling efficiency of the transformer oil in the heat dissipation pipe 36, and further improving the cooling effect of the transformer oil in the heat dissipation pipe 36.

As shown in fig. 2, the air supply pipe 7 and the air supply branch pipe 9 respectively blow cold air into the casing 1 and the heat dissipation cover 10, if the cold air is not discharged in time, the cold air will be accumulated in the casing 1 and the heat dissipation cover 10, thereby affecting the continuous blowing of new cold air, in order to solve the above problems, a rectangular vent 12 is provided on the side wall where the door of the casing 1 is located and the side wall of the heat dissipation cover 10 opposite to the casing 1, and the vent 12 can help the cold air to be discharged from the casing 1 and the heat dissipation cover 10 in time, thereby facilitating the blowing of new cold air.

The specific implementation process comprises the following steps:

when the device is used, the screw cap 5 is unscrewed, the transformer oil is added into the oil guide cavity 31 from the oil injection port 4 until the oil guide cavity is full, the screw cap 5 is screwed, and the first hydraulic pump 34 and the second hydraulic pump 35 are started to enable the transformer oil to circularly move among the oil guide cavity 31, the oil outlet pipe 32, the radiating pipe 36 and the oil inlet pipe 33.

When the transformer oil passes through the oil guide cavity 31, the transformer oil can absorb heat generated by the transformer body 2, then passes through the oil outlet and enters the radiating pipe 36, due to the arrangement of the structures of the radiating cover 10, the air supply branch pipe 9, the shunt pipe 11 and the radiating pipe 36, the transformer oil can be efficiently cooled, and the cooled transformer oil returns to the oil guide cavity 31 again through the oil inlet pipe 33 to continuously radiate the transformer; meanwhile, the blast pipe 7 is matched with the air nozzle 8, and the heat dissipation effect on the transformer is also achieved.

Because the oil guide cavity 31 surrounds the transformer body 2, the transformer oil can cool the transformer from a plurality of angles, and therefore, the effect of uniform heat dissipation can be achieved; the air nozzle 8 enlarges the range of cold air blown out by the blast pipe 7, so that the transformer is more uniformly ventilated, and the effect of uniform heat dissipation is also achieved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a transformer, includes shell (1), sets up transformer body (2) in shell (1), its characterized in that: the heat dissipation device (3) is arranged on the shell (1), the heat dissipation device (3) comprises an oil guide cavity (31) arranged on the inner wall of the shell (1), an oil outlet pipe (32) arranged on the outer wall of the shell (1) and communicated with the oil guide cavity (31), an oil inlet pipe (33) arranged on the outer wall of the shell (1) and communicated with the oil guide cavity (31), a first hydraulic pump (34) arranged on the oil outlet pipe (32), a second hydraulic pump (35) arranged on the oil inlet pipe (33), and a heat dissipation pipe (36) communicated with the oil outlet pipe (32) and the oil inlet pipe (33), the oil guide cavity (31) is an annular cavity, the shell (1) is provided with an oil filling port (4), the oil filling port (4) is communicated with the oil guide cavity (31), the oil filling port (4) is provided with a rotary cover (5), the oil guide cavity (31) is filled with transformer oil, and the shell (1) is further provided with an air cooling assembly.

2. A transformer according to claim 1, characterised in that: the air cooling assembly comprises an air cooler (6) arranged on the outer wall of the shell (1) and an air supply pipe (7) connected to the air cooler (6), wherein the air supply pipe (7) is communicated with the shell (1) and extends to the inside of the shell (1).

3. A transformer according to claim 2, characterised in that: the utility model discloses a jet nozzle, including shell (1), blast pipe (7), jet nozzle (8) are located the inside of shell (1), jet nozzle (8) are the loudspeaker form, the surface of jet nozzle (8) is equipped with a plurality of fumaroles (13).

4. A transformer according to claim 3, characterised in that: the air cooling assembly further comprises an air supply branch pipe (9) arranged on the air supply pipe (7), one end, far away from the air supply pipe (7), of the air supply branch pipe (9) is located above the radiating pipe (36), and the opening of the air supply branch pipe is opposite to the radiating pipe (36).

5. A transformer according to claim 1, characterised in that: go out oil pipe (32) keep away from the one end of shell (1) advance oil pipe (33) and all connect and be equipped with shunt tubes (11) far away from the one end of shell (1), cooling tube (36) are connected between two shunt tubes (11), cooling tube (36) evenly are equipped with many.

6. A transformer according to claim 5, characterised in that: the radiating pipe (36) is arranged in a wave shape.

7. A transformer according to claim 4, characterised in that: the outer wall of the shell (1) is connected with a heat dissipation cover (10), the heat dissipation cover (10) is coated on the outer side of the heat dissipation device (3), and the air supply branch pipes (9) are communicated with the heat dissipation cover (10).

8. A transformer according to claim 7, characterised in that: and ventilation openings (12) are formed in the opposite surfaces of the side walls of the shell (1) communicated with the air supply pipe (7) and the side walls of the heat dissipation cover (10).