CN112053836A

CN112053836A - Large-capacity dry-type high-frequency high-voltage transformer

Info

Publication number: CN112053836A
Application number: CN202010926760.0A
Authority: CN
Inventors: 王鑫斌; 杨剑
Original assignee: Yueqing Junde Electric Co ltd
Current assignee: Yueqing Junde Electric Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2020-12-08
Anticipated expiration: 2040-09-07
Also published as: CN112053836B

Abstract

The invention discloses a high-capacity dry-type high-frequency high-voltage transformer, which has the technical scheme that: the transformer comprises a first shell, a base is detachably connected inside the first shell, a transformer body is detachably connected onto the base and comprises a phase A, a phase B and a phase C, the phase A, the phase B and the phase C all comprise an outermost low-voltage coil, a middle high-voltage coil and an innermost iron core, a first fan is detachably arranged at the upper end of the base, a pipeline splitter is fixedly communicated with an outlet of the first fan, a first pipeline is fixedly communicated with an outlet of the pipeline splitter, the middle parts of the first pipeline and a second pipeline are fixedly communicated, the second pipeline is fixedly arranged on the upper surface of the base, the second pipeline is fixedly communicated with the middle parts of a third pipeline and a fourth pipeline, the third pipeline and the fourth pipeline are located on the outer side of the low-voltage coil, and a second fan is fixedly arranged at the upper end of the first shell.

Description

Large-capacity dry-type high-frequency high-voltage transformer

Technical Field

The invention relates to the technical field of transformers, in particular to a high-capacity dry-type high-frequency high-voltage transformer.

Background

The pace of social and economic development is accelerated, and all trades change day by day. Various electrical appliances have been developed and used in various fields. Among them, the dry type transformer becomes a key device. Dry transformers are widely used in many situations, such as airports, hospitals or shopping malls, where a large amount of power is needed.

Referring now to the chinese patent application publication No. CN111524687A, it discloses a dry-type transformer, which comprises: the dry-type transformer comprises a base and a dry-type transformer body, wherein the upper surface of the base is recessed downwards to form a groove, a sliding plate is arranged in the groove, and the sliding plate can freely slide on the bottom surface of the groove; the upper surface of slide is formed with down the mount pad, the lower surface of dry-type transformer body is formed with last mount pad, elastic connection between lower mount pad and the last mount pad.

According to the dry-type transformer, the upper surface of the base is recessed downwards to form a groove, a sliding plate is arranged in the groove, and the sliding plate can freely slide on the bottom surface of the groove; the upper surface of slide is formed with down the mount pad, the lower surface of dry-type transformer body is formed with last mount pad, elastic connection between lower mount pad and the last mount pad. Install the dry-type transformer body on the slide, the bottom surface that slides and can be located the recess freely slides for the dry-type transformer body can be located the shock attenuation on the horizontal direction, and elastic connection between lower mount pad and the last mount pad makes the dry-type transformer body can be located the shock attenuation on the vertical direction.

However, dry transformers of the above kind still have some disadvantages, such as: the dry-type transformer is not provided with a cooling device, and the cooling effect is poor.

Disclosure of Invention

The invention provides a high-capacity dry high-frequency high-voltage transformer aiming at the problems in the background art, and aims to solve the problem that the conventional dry transformer is not provided with a cooling device and has poor cooling effect in the background art.

The technical purpose of the invention is realized by the following technical scheme:

a high-capacity dry-type high-frequency high-voltage transformer comprises a first shell, wherein a base is detachably connected inside the first shell, a transformer body is detachably connected onto the base and comprises an A phase, a B phase and a C phase, the A phase, the B phase and the C phase respectively comprise a low-voltage coil at the outermost side, a high-voltage coil at the middle side and an iron core at the innermost side, a first fan is detachably arranged at the upper end of the base, a pipeline splitter is fixedly communicated at the outlet of the first fan, a first pipeline is fixedly communicated at the outlet of the pipeline splitter, the middle parts of the first pipeline and a second pipeline are fixedly communicated, the second pipeline is fixedly arranged on the upper surface of the base, the middle parts of the second pipeline and a third pipeline and a fourth pipeline are fixedly communicated, and the third pipeline and the fourth pipeline are positioned outside the low-voltage coil, the transformer comprises a transformer body, and is characterized in that a second fan is fixedly arranged at the upper end of the first shell, a fifth pipeline is fixedly communicated at the inlet of the second fan, an air suction plate is fixedly communicated at the lower end of the fifth pipeline, the air suction plate is positioned right above the transformer body, a heat conductor is fixedly arranged on the inner wall of the first shell, and a sealing door is hinged to the first shell.

Furthermore, the outer end of second fan is provided with the second casing, the setting can be dismantled to the second casing is in the upper end of first casing, the second casing corresponds the vent has been seted up in the exit of second fan.

Through above-mentioned technical scheme, utilize the second casing to keep apart the second fan in the second casing, avoid the second fan directly to expose in the air, reduce the potential safety hazard, steam in the first casing gets into the second casing through the second fan, then discharges to the second casing outside through the air vent.

Furthermore, a plurality of first heat dissipation holes are formed in the side wall of the first shell, and second heat dissipation holes are formed in the sealing door.

Through above-mentioned technical scheme, utilize first louvre and second louvre, can accelerate the heat exchange rate between the inside and the outside of first casing, and then promote this device's radiating effect.

Furthermore, an air suction channel is formed in the air suction plate and is fixedly communicated with the fifth pipeline, an air suction opening is formed in the lower end of the air suction plate and is fixedly communicated with the air suction channel.

Through above-mentioned technical scheme, steam in the first casing can get into the passageway that induced drafts through the inlet scoop, then gets into the fifth pipeline by the passageway that induced drafts, gets into the second fan at last, discharges to the outside of second casing again, can further promote this device's radiating effect.

Furthermore, the heat conductor is rod-shaped, the heat conductor is arranged in a hollow mode, a plurality of heat conduction salient points are fixedly arranged on the outer surface of the heat conductor, and a plurality of circular through holes are formed in the heat conductor.

Through the technical scheme, the existence of heat conductor can be convenient for with the inside some heat conduction of first casing to first casing on, utilize first casing to dispel the heat, can further promote the radiating effect of this device, heat conductor cavity sets up the area of contact that can increase heat conductor and the inside hot-air of first casing, improve the heat exchange speed of heat conductor and the inside hot-air of first casing, the area of contact that the heat conduction bump can further increase the inside hot-air of first casing, the inner wall of heat conductor and the inside hot-air of first casing carry out the heat exchange in the existence of circular through-hole.

Furthermore, a plurality of universal wheels are fixedly arranged at the lower end of the first shell, and the universal wheels are symmetrically distributed along the middle of the first shell.

Through above-mentioned technical scheme, this device of removal can be convenient for be reduced operating personnel's physical demands to the existence of universal wheel.

Furthermore, the third pipeline and the fourth pipeline are both semicircular pipelines, and plugs are fixedly arranged at two ends of the third pipeline and the fourth pipeline.

Through the technical scheme, the air pressure in the third pipeline and the air pressure in the fourth pipeline can be prevented from being reduced due to the fact that the air flow in the third pipeline and the air flow in the fourth pipeline are increased to be mixed.

Furthermore, a plurality of heat conduction salient points are fixedly arranged on the outer surface of the first shell.

Through above-mentioned technical scheme, but the area of contact of first casing and outside air exists in the heat conduction bump, and then be convenient for first casing and outside air carry out the heat exchange.

The invention has the beneficial effects that: according to the transformer, the first fan, the third pipeline and the fourth pipeline are arranged, the first fan is used for conveying outside air into the first shell, the third pipeline and the fourth pipeline are used for spraying the outside air onto the transformer body, the heat dissipation effect of the transformer body is improved, the second fan and the second fan are arranged for conveying hot air in the first shell to the outside of the first shell, and the heat dissipation effect is good; meanwhile, the heat conductor can conduct part of heat inside the first shell to the first shell conveniently, the first shell is used for heat dissipation, and the heat dissipation effect of the device can be further improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a front view of an embodiment of the present invention;

FIG. 2 is a left side view of an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 4 is a cross-sectional view taken at B-B of FIG. 2;

FIG. 5 is a schematic structural view of a thermal conductor according to the present invention;

fig. 6 is a plan view of the a phase of the transformer body.

In the figure: 1. a first housing; 101. a first heat dissipation hole; 2. a base; 3. a transformer body; 301. a low-voltage coil; 302. a high-voltage coil; 303. an iron core; 4. a first fan; 5. a pipeline diverter; 6. a first conduit; 7. a second conduit; 8. a third pipeline; 9. a fourth conduit; 10. a second fan; 11. a fifth pipeline; 12. a suction plate; 1201. an air suction channel; 1202. an air suction opening; 13. a heat conductor; 1301. heat conducting salient points; 1302. a circular through hole; 14. a sealing door; 1401. a second heat dissipation hole; 15. a second housing; 16. a universal wheel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings.

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

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to 6, a high-capacity dry-type high-frequency high-voltage transformer includes a first housing 1, a base 2 detachably connected to the inside of the first housing 1, a transformer body 3 detachably connected to the base 2, the transformer body 3 including a phase a, a phase B and a phase C, the phase a, the phase B and the phase C each including an outermost low-voltage coil 301, a middle high-voltage coil 302 and an innermost iron core 303, a first fan 4 detachably disposed at the upper end of the base 2, a duct splitter 5 fixedly connected to an outlet of the first fan 4, a first duct 6 fixedly connected to an outlet of the duct splitter 5, a first duct 6 fixedly connected to the middle of the first duct 6 and a second duct 7, a second duct 7 fixedly disposed at the upper surface of the base 2, a second duct 7 fixedly connected to the middle of a third duct 8 and a fourth duct 9, the third duct 8 and the fourth duct 9 located at the outer side of the low-voltage coil 301, the upper end of the first shell 1 is fixedly provided with a second fan 10, the inlet of the second fan 10 is fixedly communicated with a fifth pipeline 11, the lower end of the fifth pipeline 11 is fixedly communicated with an air suction plate 12, the air suction plate 12 is positioned right above the transformer body 3, the inner wall of the first shell 1 is fixedly provided with a heat conductor 13, the first shell 1 is hinged with a sealing door 14, in the embodiment, the inner sides of the third pipeline 8 and the fourth pipeline 9 are also provided with spray heads, the spray heads can be used for spraying the gas in the third pipeline 8 and the fourth pipeline 9 onto the transformer body 3, so as to improve the heat dissipation effect of the device, in addition, the transformer body 3 is also provided with a temperature sensor, the outside of the first shell 1 is provided with a control module, the control module is electrically connected with the temperature sensor, the temperature sensor is used for detecting the temperature of the transformer body 3, the first fan 4 and the second fan 10 are automatically closed when the control module is set to be below 80 ℃, the first fan 4 and the second fan 10 are automatically started when the temperature is above 80 ℃, the high-temperature alarm is carried out when the temperature is above 130 ℃, and the ultrahigh-temperature trip is carried out when the temperature is above 150 ℃, because the detection principle and the control method of the temperature sensor belong to the prior art, the inventor does not make much description, the sealing door 14 can be provided with a handle and a door lock, the sealing door 14 is conveniently opened by the handle, the sealing door 14 is locked by the door lock, and the sealing door 14 is prevented from being opened by misoperation.

Referring to fig. 1 and 2, a second housing 15 is arranged at the outer end of the second fan 10, the second housing 15 is detachably arranged at the upper end of the first housing 1, a vent is formed in an outlet of the second housing 15 corresponding to the second fan 10, the first housing 1 and the second housing 15 are detachably connected through bolts, so that the second fan 10 can be maintained when the second fan 10 is damaged, and the first housing 1 and the second housing 15 are made of stainless steel.

Referring to fig. 1 and 2, a plurality of first heat dissipation holes 101 are formed in a sidewall of the first housing 1, and a second heat dissipation hole 1401 is formed in the sealing door 14.

Referring to fig. 3 and 4, an air suction channel 1201 is provided on the air suction plate 12, the air suction channel 1201 is fixedly connected with the fifth pipeline 11, an air suction opening 1202 is provided at the lower end of the air suction plate 12, and the air suction opening 1202 is fixedly connected with the air suction channel 1201.

Referring to fig. 5, the heat conductor 13 is in a rod shape, the heat conductor 13 is hollow, a plurality of heat conduction bumps 1301 are fixedly disposed on the outer surface of the heat conductor 13, a plurality of circular through holes 1302 are disposed on the heat conductor 13, in this embodiment, the heat conductor 13 is made of copper, the heat conduction bumps 1301 and the heat conductor 13 are integrally formed, and the heat conduction bumps 1301 and the circular through holes 1302 are uniformly distributed on the surface of the heat conductor 13.

Referring to fig. 1 and 2, a plurality of universal wheels 16 are fixedly arranged at the lower end of the first housing 1, the universal wheels 16 are symmetrically distributed along the middle position of the first housing 1, in this embodiment, the total number of the universal wheels 16 is four, the universal wheels are arranged in two rows and two columns, each row is two, and the universal wheels 16 are fixed at the lower end of the first housing 1 through bolts.

Referring to fig. 3, 4 and 6, the third pipeline 8 and the fourth pipeline 9 are both semicircular pipelines, and plugs are fixedly disposed at two ends of the third pipeline 8 and the fourth pipeline 9, in this embodiment, the plugs adjacent to the two ends of the third pipeline 8 and the fourth pipeline 9 are fixedly disposed, so that stability of fixing the third pipeline 8 and the fourth pipeline 9 can be improved.

Referring to fig. 1 and 2, a plurality of heat conduction bumps 1301 are fixedly disposed on an outer surface of the first housing 1, in this embodiment, the heat conduction bumps 1301 on the outer surface of the first housing 1 are made of copper, the heat conduction bumps 1301 are embedded in the outer surface of the first housing 1, and the heat conduction bumps 1301 are uniformly distributed on the outer surface of the first housing 1.

The working principle is as follows: the control module is utilized to start the invention, the temperature sensor starts to work, when the temperature sensor detects that the temperature of the transformer body 3 exceeds 80 ℃, the control module controls the first fan 4 and the second fan 10 to start simultaneously, outside air enters the first fan 4 through the first heat dissipation hole 101 and the second heat dissipation hole 1401, then enters the pipeline splitter 5, then enters the first pipeline 6, enters the second pipeline 7 through the first pipeline 6, then enters the third pipeline 8 and the fourth pipeline 9, and finally is sprayed out by the spray head to dissipate heat of the transformer body 3; hot gas in the first casing 1 gets into fifth pipeline 11 through air suction plate 12, reentrant second fan 10, the second casing 15 of discharging at last, the existence of heat conductor 13 can be convenient for with the inside some heat conduction of first casing 1 to first casing 1 on, utilize first casing 1 to dispel the heat, this device is when using, and the radiating effect is better.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a large capacity dry-type high frequency high voltage transformer, includes first casing (1), the inside of first casing (1) can be dismantled and be connected with base (2), can dismantle on base (2) and be connected with transformer body (3), transformer body (3) contain A looks, B looks and C looks, A looks, B looks with C looks all contains low voltage coil (301) in the outside, middle high voltage coil (302), innermost iron core (303), its characterized in that: the upper end of the base (2) is detachably provided with a first fan (4), the outlet of the first fan (4) is fixedly communicated with a pipeline splitter (5), the outlet of the pipeline splitter (5) is fixedly communicated with a first pipeline (6), the middle parts of the first pipeline (6) and a second pipeline (7) are fixedly communicated, the second pipeline (7) is fixedly arranged on the upper surface of the base (2), the second pipeline (7) is fixedly communicated with the middle parts of a third pipeline (8) and a fourth pipeline (9), the third pipeline (8) and the fourth pipeline (9) are positioned on the outer side of the low-voltage coil (301), the upper end of the first shell (1) is fixedly provided with a second fan (10), the inlet of the second fan (10) is fixedly communicated with a fifth pipeline (11), the lower end of the fifth pipeline (11) is fixedly communicated with an air suction plate (12), the air suction plate (12) is located right above the transformer body (3), a heat conductor (13) is fixedly arranged on the inner wall of the first shell (1), and a sealing door (14) is hinged to the first shell (1).

2. A large capacity dry type high frequency and high voltage transformer as claimed in claim 1, wherein: the outer end of second fan (10) is provided with second casing (15), second casing (15) can dismantle the setting and be in the upper end of first casing (1), second casing (15) correspond to the vent has been seted up in the exit of second fan (10).

3. A large capacity dry type high frequency and high voltage transformer as claimed in claim 1, wherein: the side wall of the first shell (1) is provided with a plurality of first heat dissipation holes (101), and the sealing door (14) is provided with a second heat dissipation hole (1401).

4. A large capacity dry type high frequency and high voltage transformer as claimed in claim 1, wherein: an air suction channel (1201) is formed in the air suction plate (12), the air suction channel (1201) is fixedly communicated with the fifth pipeline (11), an air suction opening (1202) is formed in the lower end of the air suction plate (12), and the air suction opening (1202) is fixedly communicated with the air suction channel (1201).

5. A large capacity dry type high frequency and high voltage transformer as claimed in claim 1, wherein: the heat conductor (13) is rod-shaped, the heat conductor (13) is arranged in a hollow mode, a plurality of heat conduction protruding points (1301) are fixedly arranged on the outer surface of the heat conductor (13), and a plurality of circular through holes (1302) are formed in the heat conductor (13).

6. A large capacity dry type high frequency and high voltage transformer as claimed in claim 1, wherein: the lower end of the first shell (1) is fixedly provided with a plurality of universal wheels (16), and the universal wheels (16) are symmetrically distributed along the middle position of the first shell (1).

7. A large capacity dry type high frequency and high voltage transformer as claimed in claim 1, wherein: the third pipeline (8) and the fourth pipeline (9) are both semicircular pipelines, and plugs are fixedly arranged at two ends of the third pipeline (8) and the fourth pipeline (9).

8. A large capacity dry type high frequency high voltage transformer according to claim 5, characterized in that: the outer surface of the first shell (1) is fixedly provided with a plurality of heat conduction salient points (1301).