CN218004571U - Totally-enclosed dry-type transformer shell convenient to radiate heat - Google Patents
Totally-enclosed dry-type transformer shell convenient to radiate heat Download PDFInfo
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- CN218004571U CN218004571U CN202221873567.6U CN202221873567U CN218004571U CN 218004571 U CN218004571 U CN 218004571U CN 202221873567 U CN202221873567 U CN 202221873567U CN 218004571 U CN218004571 U CN 218004571U
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Abstract
The utility model belongs to the transformer heat dissipation field, and provides a totally-enclosed dry-type transformer shell convenient for heat dissipation, which comprises a transformer shell, wherein an installation chamber is arranged below the inside of the transformer shell, and the installation chamber is used for accommodating a transformer core and a transformer coil; the installation room top is equipped with the bellied heat dissipation ear room of several for hold the hot-air in the transformer, in order to realize reducing the inside temperature of transformer housing, because this equipment is equipped with several heat dissipation ear room, can provide heat transfer effect space for the hot-air that the transformer spreads, thereby realize reducing the temperature of the hot-air that the transformer spread, realize reducing the purpose of the inside temperature of transformer housing.
Description
Technical Field
The utility model belongs to transformer heat dissipation field especially relates to a totally enclosed dry-type transformer casing convenient to heat dissipation.
Background
The totally-enclosed dry-type transformer is a voltage conversion device which works in the severe environment of coal mines, mines and the like and takes air or inert gas as a core heat dissipation medium, and the shell of the transformer needs to have a protection grade above IP54 so as to prevent water, dust and corrosive gas from entering the box body. The transformer is a heat dissipation scheme that inert gas or air is adopted in the shell, air is adopted outside the shell as a heat dissipation medium, and natural heat transfer is taken as a path, so that the heat dissipation efficiency of the transformer is closely related to the design of the shell. The existing shell design mainly adopts a scheme of side sawtooth or wave design and top arch dome, the design mainly uses heat conduction as a main heat dissipation principle, and the heat dissipation efficiency is maximized by enlarging the heat dissipation area as much as possible.
The design of the side increase area of contact is mainly adopted in the prior art to utilize heat conduction's mode to dispel the heat, but this kind of mode effect on the promotion of radiating efficiency is very little, leads to the radiating efficiency not enough. The heat transfer is a more excellent heat dissipation method in terms of improving the heat dissipation efficiency, and the principle of the heat transfer is that the heat particles are spread from one place to another place in space by flowing particles, and the heat dissipation efficiency is usually several times of that of heat conduction, so the present apparatus provides a totally-enclosed dry-type transformer housing using the heat transfer effect based on the heat transfer.
SUMMERY OF THE UTILITY MODEL
The utility model provides a totally enclosed dry-type transformer casing convenient to heat dissipation aims at solving the design of the main adoption at side increase area of contact of the prior art who proposes in the background art to utilize heat-conductive mode to dispel the heat, but the effect of this kind of mode on the promotion of radiating efficiency is very little, leads to the not enough problem of radiating efficiency.
The utility model discloses a realize like this, the first aspect provides a totally enclosed dry-type transformer casing convenient to heat dissipation, include:
the transformer comprises a transformer shell, wherein an installation chamber is arranged below the inside of the transformer shell and used for accommodating a transformer core and a transformer coil; and a plurality of raised heat dissipation lug chambers are arranged above the mounting chamber and used for accommodating hot air in the transformer so as to reduce the internal temperature of the transformer shell.
Optionally, the thickness of the sidewall of the heat dissipation ear chamber is smaller than the thickness of the sidewall of the mounting chamber.
Optionally, two mounting through holes are respectively formed in the side wall of the mounting chamber in the width direction and close to the heat dissipation lug chambers, and the two mounting through holes are used for mounting transformer wires.
Optionally, a sealing rubber ring is arranged on the inner side of the installation through hole, the outer layer of the sealing rubber ring is tightly attached to the inner wall of the installation through hole, and the inner layer of the sealing rubber ring is tightly attached to the sealing pipeline and used for sealing the transformer.
Optionally, the side wall of the installation chamber is provided with a plurality of heat dissipation grooves for increasing the heat dissipation area of the transformer housing.
Optionally, a mounting base plate is arranged below the transformer housing, and the mounting base plate is connected with the transformer housing through a bolt.
Optionally, the transformer housing further includes an installation liquid-cooling tube, and the installation liquid-cooling tube surrounds the heat dissipation lug chamber to achieve accelerated heat dissipation.
Optionally, the lateral wall of heat dissipation earmuff transversely is equipped with a plurality of liquid cooling pipe mounting grooves for the installation liquid cooling pipe.
Optionally, the liquid cooling pipe comprises a plurality of surrounding pipe bodies, a connecting pipe for connecting the plurality of surrounding pipe bodies, a water inlet pipe and a water outlet pipe; the connecting pipes are connected between the surrounding pipe bodies in a staggered mode, and the water inlet pipes and the water outlet pipes which surround the end parts of the pipe bodies are respectively positioned at the upper end and the lower end.
In a second aspect, a fully-enclosed dry-type transformer is provided that facilitates heat dissipation, the fully-enclosed dry-type transformer including the fully-enclosed dry-type transformer housing of the first aspect.
About implementing the utility model discloses a beneficial technological effect does: because this equipment is equipped with the several ear room that dispels the heat, can provide heat transfer effect space for the hot-air that the transformer spreads to the realization reduces the temperature of the hot-air that the transformer spreads, realizes reducing the purpose of transformer casing internal temperature.
Drawings
FIG. 1 is a schematic view of the installation of the present invention;
fig. 2 is a schematic diagram of a transformer housing of the present invention;
fig. 3 is a cutaway view of the transformer housing of the present invention;
fig. 4 is a schematic view of a liquid cooling pipe according to the present invention.
In the figure: 1. a transformer housing; 101. an installation chamber; 102. a heat dissipation ear chamber; 103. mounting a through hole; 104. a heat sink; 105. a liquid cooling pipe mounting groove; 2. mounting a bottom plate; 3. a liquid-cooled tube; 301. surrounding the pipe body; 302. a connecting pipe; 303. a water inlet pipe; 304. and (5) discharging a water pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first aspect of the embodiment of the present application provides a totally enclosed dry-type transformer casing convenient to heat dissipation, includes:
the transformer comprises a transformer shell 1, wherein an installation chamber 101 is arranged below the inside of the transformer shell 1, and the installation chamber 101 is used for accommodating a transformer iron core and a transformer coil; a plurality of raised heat dissipation lug chambers 102 are arranged above the mounting chamber 101 and used for accommodating hot air in the transformer so as to reduce the internal temperature of the transformer housing 1.
According to the embodiment of the present application, the plurality of protruding heat dissipation lug chambers 102 are preferably symmetrically disposed in the length direction of the transformer housing 1, and may be 2, 4, 6, etc., and may be respectively disposed at the ends of the fully-enclosed dry-type transformer housing in the width direction by 1, 2, etc.
Preferably, the material of the transformer housing 1 is selected from iron, stainless steel or a combination thereof. Any material that can achieve heat dissipation and that includes the interior of the housing, preferably an alloy material, may be used in this application.
In some embodiments, the heat dissipating ear chamber 102 has a sidewall thickness that is less than the sidewall thickness of the mounting chamber 101.
The side wall thickness of the heat dissipating ear 102 is less than the side wall thickness of the mounting chamber 101 due to the heat dissipating ear 102 being used to contain the hot air inside the transformer.
In some embodiments, two mounting through holes 103 are respectively formed on the side walls of the mounting chamber 101 in the width direction and near the heat dissipating lug 102 for mounting the transformer wires, and preferably, the two mounting through holes 103 may be circular or hexagonal, and any shape that facilitates mounting the transformer wires and sealing may be used in the present embodiment.
And a sealing rubber ring is arranged on the inner side of the installation through hole 103, the outer layer of the sealing rubber ring is tightly attached to the inner wall of the installation through hole 103, and the inner layer of the sealing rubber ring is tightly attached to a sealing pipeline and used for sealing the inside of the transformer shell 1.
In some embodiments, the side wall of the installation chamber 101 is provided with a plurality of heat dissipation grooves 104 for increasing the heat dissipation area of the transformer housing 1.
According to the embodiment of the application, the heat dissipation grooves 104 with a plurality of recesses or protrusions are arranged on the surface of the side wall of the transformer housing 1, and the heat dissipation grooves 104 can be arranged along the vertical direction, the horizontal direction or the oblique direction, preferably the vertical direction.
In some embodiments, the inner side of the installation through hole 103 is provided with a sealing rubber ring, the outer layer of the sealing rubber ring is tightly attached to the inner wall of the installation through hole 103, and the inner layer of the sealing rubber ring is tightly attached to the sealing pipeline for sealing the transformer.
In some embodiments, a mounting base plate 2 is arranged below the transformer housing 1, and the mounting base plate 2 is connected with the transformer housing 1 through bolts.
According to the embodiment of the application, the transformer shell 1 can be prevented from shaking in the transportation through the bolt connection, so that the position of an internal element of the transformer is moved or damaged, and the transformer shell 1 can be relatively fixed only by fixing the installation bottom plate 2 in the transportation process so as to protect the transformer.
In some embodiments, the transformer housing further comprises a mounting liquid-cooled tube 3, and the mounting liquid-cooled tube 3 surrounds the heat dissipation ear 102 to achieve accelerated heat dissipation.
In some embodiments, the outer sidewall of the heat dissipating ear chamber 102 is laterally provided with a plurality of liquid cooling tube mounting grooves 105 for mounting the liquid cooling tubes 3.
According to the embodiment of the application, in order to ensure that the liquid cooling pipe 3 can take away heat in the heat dissipation lug 102, the contact surface of the liquid cooling pipe 3 and the liquid cooling pipe installation groove 105 is coated with heat transfer silicone grease for efficiently transferring the heat in the heat dissipation lug 102 to the liquid cooling pipe 3.
In some embodiments, the liquid cooling pipe 3 includes a plurality of surrounding pipe bodies 301, a connection pipe 302 connecting the plurality of surrounding pipe bodies 301, a water inlet pipe 303, and a water outlet pipe 304; the plurality of surrounding pipe bodies 301 are connected with connecting pipes 302 in a staggered manner, and the plurality of water inlet pipes 303 and water outlet pipes 304 which are respectively positioned at the upper end and the lower end and surround the end parts of the pipe bodies 301.
Embodiments of the second aspect of the present application provide a fully-enclosed dry-type transformer facilitating heat dissipation, which includes the fully-enclosed dry-type transformer case of the first aspect.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example one
As shown in fig. 1-3, the utility model provides a technical solution.
The utility model provides a totally enclosed dry-type transformer casing convenient to heat dissipation which characterized in that includes:
the transformer comprises a transformer shell 1, wherein an installation chamber 101 is arranged below the inside of the transformer shell 1, and the installation chamber 101 is used for accommodating a transformer core and a transformer coil; a plurality of raised heat dissipation lug chambers 102 are arranged above the mounting chamber 101 and used for accommodating hot air in the transformer so as to reduce the internal temperature of the transformer housing 1.
The side wall thickness of the heat dissipating ear chamber 102 is less than the side wall thickness of the mounting chamber 101.
Two installation through holes 103 are respectively arranged on the side walls of the installation chamber 101 in the width direction and close to the heat dissipation lug chambers 102 and used for installing transformer wires.
And a sealing rubber ring is arranged on the inner side of the mounting through hole 103, the outer layer of the sealing rubber ring is tightly attached to the inner wall of the mounting through hole 103, and the inner layer of the sealing rubber ring is tightly attached to a sealing pipeline for sealing the transformer.
The side wall of the installation chamber 101 is provided with a plurality of heat dissipation grooves 104 for increasing the heat dissipation area of the transformer housing 1.
The mounting bottom plate 2 is arranged below the transformer shell 1, and the mounting bottom plate 2 is connected with the transformer shell 1 through bolts.
The transformer housing further comprises a mounting liquid cooling tube 3, and the mounting liquid cooling tube 3 surrounds the heat dissipation ear chamber 102 to realize accelerated heat dissipation.
Before the transformer mounting device is used, firstly, a transformer is mounted on the upper end face of a mounting base plate 2, then a transformer shell 1 is placed above the mounting base plate 2 in advance, then wires of the transformer penetrate out of a mounting through hole 103, then the mounting through hole 103 is sealed by a sealing pipeline so as to isolate the air inside and outside the transformer shell 1, then the mounting base plate 2 and the transformer shell 1 are connected by bolts, and finally an external power supply is connected with the transformer so as to be used.
When the transformer shell is used, an external power supply is turned on, so that the transformer starts to work, hot air can be released after the transformer starts to work, the hot air can move from the installation chamber 101 to the heat dissipation lug chamber 102 above the installation chamber 101 due to low density of the hot air, the temperature in the heat dissipation lug chamber 102 is low due to the fact that the heat dissipation lug chamber 102 is far away from the transformer and the thickness of the outer side wall of the heat dissipation lug chamber 102 is thin, after the hot air released by the transformer moves into the heat dissipation lug chamber 102, heat transfer effect is generated between cold air and the hot air in the heat dissipation lug chamber 102, after the temperature of the hot air is reduced, the hot air returns to the installation chamber 101 again under the action of gravity, and the purpose of reducing the internal temperature of the transformer shell 1 is achieved.
Example two
As shown in fig. 4, the apparatus utilizes the heat dissipation ear chamber 102 to cool down the hot air generated by the transformer, but the heat dissipation ear chamber 102 itself only utilizes the thin wall to cool down, and when the transformer operates at high power, the heat dissipation ear chamber 102 which only utilizes the thin wall to dissipate heat is difficult to meet the requirement of reducing the internal temperature of the transformer housing 1, so on the basis of the first embodiment, the apparatus provides the second technical solution.
The outer side wall of the heat dissipation lug chamber 102 is transversely provided with a plurality of liquid cooling pipe installation grooves 105 for installing the liquid cooling pipes 3.
The liquid cooling pipe 3 comprises a plurality of surrounding pipe bodies 301, a connecting pipe 302 for connecting the plurality of surrounding pipe bodies 301, a water inlet pipe 303 and a water outlet pipe 304; the plurality of surrounding pipe bodies 301 are connected with connecting pipes 302 in a staggered manner, and the plurality of surrounding pipe bodies 301 are respectively provided with water inlet pipes 303 and water outlet pipes 304 at the ends of the upper and lower ends.
A totally enclosed dry transformer comprising a totally enclosed dry transformer housing as claimed in any one of claims 1 to 9.
Before the transformer mounting structure is used, firstly, a transformer is mounted on the upper end face of a mounting base plate 2, then a transformer shell 1 is placed above the mounting base plate 2 in advance, then wires of the transformer penetrate out of a mounting through hole 103, then the mounting through hole 103 is sealed by a sealing pipeline to isolate the air inside and outside the transformer shell 1, then the mounting base plate 2 and the transformer shell 1 are connected by bolts, then a liquid cooling pipe 3 is sleeved on a liquid cooling pipe mounting groove 105, then an external water source is connected with a water inlet and outlet pipe 303, and finally an external power supply is connected with the transformer so that the transformer mounting structure can be used.
When the transformer is used, an external power supply is turned on, so that the transformer starts to work, hot air can be released after the transformer starts to work, the hot air can move from the installation chamber 101 to the heat dissipation ear chamber 102 above the installation chamber 101 due to low density of the hot air, the temperature in the heat dissipation ear chamber 102 is low due to the fact that the heat dissipation ear chamber 102 is far away from the transformer and the thickness of the outer side wall of the heat dissipation ear chamber 102 is thin, after the hot air released by the transformer moves to the heat dissipation ear chamber 102, heat transfer effect is generated between cold air and the hot air in the heat dissipation ear chamber 102, then an external water source is turned on to continuously inject water into the water inlet and outlet pipe 303, the surrounding pipe body 301 is utilized to cool the heat dissipation ear chamber 102, and the heat dissipation ear chamber 102 can be cooled.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a totally enclosed dry-type transformer casing convenient to heat dissipation which characterized in that includes:
the transformer comprises a transformer shell (1), wherein an installation chamber (101) is arranged below the inside of the transformer shell (1), and the installation chamber (101) is used for accommodating a transformer core and a transformer coil; a plurality of raised heat dissipation lug chambers (102) are arranged above the mounting chamber (101) and used for containing hot air in the transformer so as to reduce the internal temperature of the transformer shell (1).
2. The hermetically sealed dry transformer enclosure facilitating heat dissipation of claim 1, wherein the heat dissipating ear chamber (102) sidewall thickness is less than the mounting chamber (101) sidewall thickness.
3. The totally enclosed dry type transformer casing convenient for heat dissipation according to claim 2, wherein two installation through holes (103) are respectively formed on the side wall of the installation chamber (101) in the width direction and near the heat dissipation lug chambers (102) for installing transformer wires.
4. The totally-enclosed dry-type transformer casing convenient for heat dissipation according to claim 3, wherein a sealing rubber ring is arranged inside the installation through hole (103), an outer layer of the sealing rubber ring is tightly attached to the inner wall of the installation through hole (103), and an inner layer of the sealing rubber ring is tightly attached to a sealing pipeline for sealing the transformer.
5. The totally enclosed dry type transformer housing facilitating heat dissipation as claimed in claim 1, wherein the side wall of the installation chamber (101) is provided with a plurality of heat dissipation grooves (104) for increasing the heat dissipation area of the transformer housing (1).
6. The totally-enclosed dry-type transformer casing convenient for heat dissipation according to claim 1, wherein a mounting bottom plate (2) is arranged below the transformer casing (1), and the mounting bottom plate (2) is connected with the transformer casing (1) through bolts.
7. The hermetically sealed dry transformer casing for facilitating heat dissipation according to claim 1, further comprising a mounting liquid cooled tube (3), the mounting liquid cooled tube (3) surrounding the heat dissipation ear chamber (102) for achieving accelerated heat dissipation.
8. The totally enclosed dry type transformer housing facilitating heat dissipation as claimed in claim 7, wherein a plurality of liquid cooling tube mounting slots (105) are transversely formed on an outer side wall of said heat dissipation lug chamber (102) for mounting said liquid cooling tubes (3).
9. The fully-enclosed dry-type transformer casing convenient for heat dissipation of claim 7, wherein the liquid cooling pipe (3) comprises a plurality of surrounding pipe bodies (301), a connecting pipe (302) connecting the plurality of surrounding pipe bodies (301), a water inlet pipe (303) and a water outlet pipe (304); several surround between body (301) alternating connection have connecting pipe (302), be located both ends about respectively several surround inlet tube (303) and outlet pipe (304) of body (301) tip.
10. A totally enclosed dry-type transformer facilitating heat dissipation, comprising a totally enclosed dry-type transformer housing as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221873567.6U CN218004571U (en) | 2022-07-19 | 2022-07-19 | Totally-enclosed dry-type transformer shell convenient to radiate heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221873567.6U CN218004571U (en) | 2022-07-19 | 2022-07-19 | Totally-enclosed dry-type transformer shell convenient to radiate heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218004571U true CN218004571U (en) | 2022-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221873567.6U Active CN218004571U (en) | 2022-07-19 | 2022-07-19 | Totally-enclosed dry-type transformer shell convenient to radiate heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218004571U (en) |
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2022
- 2022-07-19 CN CN202221873567.6U patent/CN218004571U/en active Active
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