CN210136763U

CN210136763U - Dry-type transformer with diffusion formula air inlet structure

Info

Publication number: CN210136763U
Application number: CN201921194490.8U
Authority: CN
Inventors: 何煜青; 徐惠华; 雷福荣; 游上云; 徐斌
Original assignee: Anshun Fujian Transformer Co Ltd
Current assignee: Anshun Fujian Transformer Co Ltd
Priority date: 2019-07-27
Filing date: 2019-07-27
Publication date: 2020-03-10
Anticipated expiration: 2029-07-27

Abstract

The utility model relates to an air inlet technical field of dry-type transformer specifically is a dry-type transformer with diffusion formula air inlet structure, including the shell, the transformer main part is installed to the inner chamber of shell, and the air intake has been seted up to the left end face intermediate position of shell, and the air outlet has been seted up to the right-hand member face lower extreme of shell, and the inner chamber left side fixed mounting of air intake has air intake fan, and beneficial effect is: the utility model has the advantages that the diffusion sleeve is arranged, so that the airflow of the air inlet can completely cover the left end of the transformer main body through multiple diffusion, the inner cavity of the shell can be fully ventilated, and the heat dissipation efficiency can be improved; through setting up the filter screen, realize the buffering to air current impact velocity and the filtration of air current, utilize the arc to further realize the buffering to the air current, prevent that the too big damage that causes inside spare part of air current velocity of flow.

Description

Dry-type transformer with diffusion formula air inlet structure

Technical Field

The utility model relates to an air inlet technical field of dry-type transformer specifically is a dry-type transformer with diffusion formula air inlet structure.

Background

Dry transformers are widely used in local lighting, high-rise buildings, airports, docks, CNC machinery and other places, and simply, dry transformers refer to transformers in which the core and windings are not immersed in insulating oil.

In the use process of the dry type transformer, the transformer generates heat, so that a large amount of heat is accumulated in an inner cavity of equipment for mounting the transformer, the temperature is raised, and the use of electric appliance parts is influenced.

Therefore, the dry-type transformer with the diffusion type air inlet structure is provided, and the problem of uniform heat dissipation of the dry-type transformer is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dry-type transformer with diffusion formula air inlet structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a dry-type transformer with a diffusion type air inlet structure comprises a shell, a transformer main body is installed in an inner cavity of the shell, an air inlet is formed in the middle position of the left end face of the shell, an air outlet is formed in the lower end of the right end face of the shell, an air inlet fan is fixedly installed on the left side of the inner cavity of the air inlet, a diffusion sleeve is installed on the right side of the inner cavity of the air inlet, the left end of the diffusion sleeve is communicated with the air inlet, the right end of the diffusion sleeve is communicated with the inner cavity of the shell, a filter screen is fixedly installed at the left end of the inner cavity of the diffusion sleeve, a buffer plate is fixedly installed in the middle section of the inner cavity of the diffusion sleeve, a uniform distribution plate is sleeved on the right side of the inner cavity of the diffusion sleeve, an outer wall of the buffer, the right-hand member face of equipartition board and the coincidence of the inner chamber left end face of shell, the terminal surface is provided with a plurality of second through-holes of circumference array intensive distribution about the equipartition board, the inner chamber fixed mounting of air outlet has exhaust fan, free taper reaming is established in exhaust fan left side.

Preferably, the lower extreme fixed mounting of transformer main part is at the up end of backing plate, and the upper end of transformer main part is provided with connecting terminal, connecting terminal's upper end extends to the upper end upside of shell.

Preferably, the inner diameter of the inner cavity of the diffusion sleeve is increased in a tapered manner from left to right, and the inner diameter of the inner cavity at the right end of the diffusion sleeve is larger than the height of the transformer main body.

Preferably, the second through hole penetrates through the left end face and the right end face of the uniform distribution plate, the right end of the second through hole is communicated with the inner cavity of the shell, and the left end of the second through hole is communicated with the diffusion sleeve.

Preferably, the outer wall of the arc-shaped plate is fixedly welded on the inner wall of the middle through hole of the buffer plate, the middle position of the arc-shaped plate is sunken towards the transformer main body along the middle axial line of the diffusion sleeve, and the left end of the arc-shaped plate is aligned with the air inlet.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model has the advantages that the diffusion sleeve is arranged, so that the airflow of the air inlet can completely cover the left end of the transformer main body through multiple diffusion, the inner cavity of the shell can be fully ventilated, and the heat dissipation efficiency can be improved;

2. the utility model discloses a set up the filter screen, realize utilizing the arc to further realize the buffering to the air current to the filtration of air current impact velocity's buffering and air current, prevent that the air current velocity of flow from leading to the fact the damage of inside spare part too greatly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an exploded view of the diffusion sleeve three-dimensional structure of the present invention.

In the figure: the transformer comprises a shell 1, a transformer body 2, a connecting terminal 3, an air inlet 4, an air outlet 5, a base plate 6, an air inlet fan 7, a diffusion sleeve 8, a filter screen 9, a buffer plate 10, an even distribution plate 11, an exhaust fan 12, a conical hole expanding 13, a first through hole 14, a second through hole 15 and an arc plate 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a technical solution:

the utility model provides a dry-type transformer with diffusion formula air inlet structure, includes shell 1, and transformer main part 2 is installed to the inner chamber of shell 1, and transformer main part 2's lower extreme fixed mounting is at the up end of backing plate 6, and transformer main part 2's upper end is provided with connecting terminal 3, and connecting terminal 3's upper end extends to shell 1's upper end upside, and then realizes transformer main part 2's fixed mounting.

An air inlet 4 is formed in the middle of the left end face of the shell 1, an air inlet fan 7 is fixedly mounted on the left side of an inner cavity of the air inlet 4, and air is introduced into the air inlet 4 through the air inlet fan 7.

Diffusion sleeve 8 is installed on the inner chamber right side of air intake 4, and diffusion sleeve 8's left end intercommunication air intake 4, and diffusion sleeve 8's right-hand member communicates the inner chamber of shell 1, utilizes diffusion sleeve 8 to realize transporting the air current to the inner chamber of shell 1 in, and then reaches the purpose of aerifing transformer main part 2 installation inner chamber.

The filter screen 9 is fixedly installed at the left end of the inner cavity of the diffusion sleeve 8, the filter screen 9 is utilized to filter the air inflow, and impurities such as dust are prevented from entering the inner cavity of the shell 1.

Diffusion sleeve 8's inner chamber interlude fixed mounting has buffer board 10, and buffer board 10's outer wall fixed mounting is at diffusion sleeve 8's inner wall, and the outside of the left and right sides terminal surface arc 16 of buffer board 10 is provided with a plurality of first through-holes 14 that circumference array distributes, utilizes both ends about first through-hole 14 intercommunication diffusion sleeve 8 inner chamber.

The arc 16 has been cup jointed to the left end face intermediate position of buffer board 10, and the fixed welding of outer wall of arc 16 is at the inner wall of through-hole in the middle of the buffer board 10, and the intermediate position of arc 16 is sunken to transformer main part 2 along the jackshaft line of diffusion sleeve 8, and the left end of arc 16 is just to air intake 4, utilizes arc 16 to realize the buffering to the direct impact of air current, and then slows down the speed of air current, reaches the purpose that protection inner chamber spare part is connected.

The equipartition board 11 has been cup jointed on diffusion sleeve 8's inner chamber right side, the right-hand member face of equipartition board 11 and the coincidence of shell 1's inner chamber left end face, the terminal surface is provided with a plurality of second through-holes 15 that the circumference array distributes densely about equipartition board 11, terminal surface about second through-hole 15 runs through equipartition board 11, the right-hand member of second through-hole 15 communicates the inner chamber of shell 1, the left end intercommunication diffusion sleeve 8 of second through-hole 15, utilize the second through-hole 15 realization of circumference array distribution with the even transportation of air current to the shell 1 inner chamber in, thereby reach the purpose that the heat scatters and.

The inner diameter of the inner cavity of the diffusion sleeve 8 is gradually increased from left to right, the inner diameter of the inner cavity of the right end of the diffusion sleeve 8 is larger than the height of the transformer main body 2, the inner diameter of the diffusion sleeve 8 is changed, the inner diameter of the air flow is increased, and therefore the purpose of comprehensive heat dissipation is achieved.

Air outlet 5 has been seted up to the right-hand member face lower extreme of shell 1, and the inner chamber fixed mounting of air outlet 5 has exhaust fan 12, and exhaust fan 12 left side is established free taper reaming 13, utilizes exhaust fan 12 to discharge the gas in the shell 1 inner chamber, and then realizes the purpose of heat dissipation and balanced atmospheric pressure.

The working principle is as follows: at first, utilize shell 1 and backing plate 6 to realize the fixed mounting of transformer main part 2, then when transformer main part 2 moves, start air intake fan 7, utilize air intake fan 7 to realize the effect of admitting air to air intake 4, utilize diffusion sleeve 8 to realize transporting the air current to the shell 1 inner chamber, and then reach the purpose of aerifing to transformer main part 2 installation inner chamber, utilize the left and right sides both ends of first through-hole 14 intercommunication diffusion sleeve 8 inner chamber, utilize arc 16 to realize the buffering to the direct impact of air current, and then slow down the speed of air current, reach the purpose of protecting the connection of inner chamber spare part, utilize second through-hole 15 of circumference array distribution to realize the even transportation of air current to the shell 1 inner chamber, thereby reach the purpose that the heat scatters and disappears.

When air is fed, the exhaust fan 12 is started, and the exhaust fan 12 is used for exhausting the air in the inner cavity of the shell 1, so that the purposes of heat dissipation and air pressure balance are achieved.

Wherein the air inlet fan 7 and the exhaust fan 12 are of the following types: HG-HF-150P type pipe type ventilation fan.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dry-type transformer with diffusion formula air inlet structure, includes shell (1), its characterized in that: the transformer comprises a shell (1), a transformer body (2) is installed in an inner cavity of the shell (1), an air inlet (4) is formed in the middle position of the left end face of the shell (1), an air outlet (5) is formed in the lower end face of the right end face of the shell (1), an air inlet fan (7) is fixedly installed on the left side of an inner cavity of the air inlet (4), a diffusion sleeve (8) is installed on the right side of the inner cavity of the air inlet (4), the left end of the diffusion sleeve (8) is communicated with the air inlet (4), the right end of the diffusion sleeve (8) is communicated with the inner cavity of the shell (1), a filter screen (9) is fixedly installed at the left end of the inner cavity of the diffusion sleeve (8), a buffer plate (10) is fixedly installed in the middle section of the inner cavity of the diffusion sleeve (8), a uniform distribution plate (11) is sleeved on the right side of the inner cavity, the outside of terminal surface arc (16) is provided with a plurality of first through-holes (14) that the circumference array distributes about buffer board (10), the right-hand member face of equipartition board (11) coincides with the inner chamber left end face of shell (1), and the terminal surface is provided with a plurality of second through-holes (15) that the circumference array distributes densely about equipartition board (11), the inner chamber fixed mounting of air outlet (5) has exhaust fan (12), free toper reaming (13) is established in exhaust fan (12) left side.

2. The dry-type transformer with the diffused air inlet structure as claimed in claim 1, wherein: the lower extreme fixed mounting of transformer main part (2) is provided with connecting terminal (3) at the up end of backing plate (6), the upper end of transformer main part (2), the upper end of connecting terminal (3) extends to the upper end upside of shell (1).

3. The dry-type transformer with the diffused air inlet structure as claimed in claim 1, wherein: the inner cavity inner diameter of the diffusion sleeve (8) is increased in a tapered mode from left to right in sequence, and the inner cavity inner diameter of the right end of the diffusion sleeve (8) is larger than the height of the transformer main body (2).

4. The dry-type transformer with the diffused air inlet structure as claimed in claim 1, wherein: the left end face and the right end face of the uniform distribution plate (11) are penetrated through the second through holes (15), the right ends of the second through holes (15) are communicated with the inner cavity of the shell (1), and the left ends of the second through holes (15) are communicated with the diffusion sleeve (8).

5. The dry-type transformer with the diffused air inlet structure as claimed in claim 1, wherein: the outer wall of the arc-shaped plate (16) is fixedly welded on the inner wall of the middle through hole of the buffer plate (10), the middle position of the arc-shaped plate (16) is sunken towards the transformer main body (2) along the middle axial line of the diffusion sleeve (8), and the left end of the arc-shaped plate (16) is aligned to the air inlet (4).