CN217606660U - Outdoor type three-dimensional wound core dry-type transformer - Google Patents
Outdoor type three-dimensional wound core dry-type transformer Download PDFInfo
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- CN217606660U CN217606660U CN202220856849.9U CN202220856849U CN217606660U CN 217606660 U CN217606660 U CN 217606660U CN 202220856849 U CN202220856849 U CN 202220856849U CN 217606660 U CN217606660 U CN 217606660U
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Abstract
The utility model discloses an outdoor three-dimensional wound core dry-type transformer, which comprises a transformer body and a shell, wherein the transformer body is positioned in the shell, the upper part of the shell is provided with a shell cap, the bottom of the shell cap is provided with an air outlet, the lower part of the shell is provided with an air inlet, the air inlet is provided with a screen plate, and the outer side of the air inlet is provided with a rain cover; the transformer body works to enable air in the shell to become hot and flow out of the air outlet in the upper portion of the shell, and cold air outside the shell enters the shell from the air inlet in the lower portion of the shell, so that heat generated by the transformer body in the working process can be taken away along with air flowing, overheating in the shell is avoided, and the service life of the transformer body is prolonged.
Description
Technical Field
The utility model relates to a transformer field, especially an outdoor type three-dimensional dry-type transformer of rolling up unshakable in one's determination.
Background
The three-dimensional wound core dry-type transformer has the remarkable advantages of high efficiency, energy conservation, safety, reliability and the like, the transformer can generate a large amount of heat in the operation process, and when the heat cannot be dissipated in time, the temperature of the iron core and the coil of the transformer can be increased. When the temperature of the transformer core and the coil is too high, the thermal life of the insulating material used by the transformer is affected, the aging of the insulating material is aggravated, and the service life of the transformer is finally reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide an outdoor type three-dimensional wound core dry-type transformer.
The utility model provides a technical scheme that its problem adopted is:
an outdoor type three-dimensional wound core dry-type transformer, comprising:
a transformer body;
the transformer comprises a shell, wherein the transformer body is positioned in the shell, a shell cap is arranged on the upper portion of the shell, an air outlet is formed in the bottom of the shell cap, an air inlet is formed in the lower portion of the shell, a screen plate is arranged on the air inlet, and a rainproof cover is arranged on the outer side of the air inlet.
Furthermore, an inclined water discharging surface is arranged at the edge of the shell cap.
Furthermore, the outer side of the shell is provided with a hanging plate.
Furthermore, a heightening base is arranged below the shell.
Further, the outside of shell is equipped with the pressure regulating shrouding.
Further, the outside of shell is equipped with the high-voltage bushing mounting panel, the high-voltage bushing mounting panel is equipped with high-voltage bushing.
Further, the outside of shell be equipped with the low pressure sleeve pipe mounting panel, the low pressure sleeve pipe mounting panel with the high-voltage bushing mounting panel sets up relatively, the low pressure sleeve pipe mounting panel is equipped with low pressure sleeve pipe.
Further, the transformer body is provided with a high-voltage wiring terminal, and the high-voltage wiring terminal is connected with the high-voltage bushing.
Further, the transformer body is provided with a low-voltage wiring terminal, and the low-voltage wiring terminal is connected with the low-voltage sleeve.
Further, a second air inlet is formed below the rain cover.
The outdoor type three-dimensional wound core dry-type transformer at least has the following beneficial effects: the transformer body can generate heat in the working process, so that the air in the shell is changed into hot air, and the hot air flows along the ventilation channel and flows out of the air outlet in the upper part of the shell; the cold air outside the shell enters the shell from the air inlet at the lower part of the shell, so that the heat generated by the transformer body in the working process can be taken away along with the air flow, the internal overheating of the shell is avoided, and the service life of the transformer body is prolonged; the net plate arranged at the air inlet can prevent small animals such as mice and insects from entering the shell from the air inlet to damage the transformer body; the rain cover is arranged on the outer side of the air inlet, so that rainwater can be prevented from entering the shell from the air inlet, and the transformer body is prevented from being damaged.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further described with reference to the following figures and examples.
Fig. 1 is a structural diagram of an outdoor three-dimensional wound core dry-type transformer according to an embodiment of the present invention;
FIG. 2 is a block diagram of a transformer body;
fig. 3 is an internal structure view of an outdoor three-dimensional wound core dry-type transformer according to an embodiment of the present invention;
fig. 4 is a view showing an installation structure of the rain boot.
Detailed Description
This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.
In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.
Referring to fig. 1 to 4, an embodiment of the present invention provides an outdoor three-dimensional wound core dry-type transformer. The outdoor type three-dimensional wound core dry-type transformer includes a transformer body 600 and a case 100.
The transformer body 600 is located in the housing 100, the upper portion of the housing 100 is provided with the housing cap 200, the bottom of the housing cap 200 is provided with the air outlet 210, the lower portion of the housing 100 is provided with the air inlet 110, the air inlet 110 is provided with the mesh plate 111, and the outer side of the air inlet 110 is provided with the rain cover 410.
That is, with respect to the housing 100, an air duct is formed between the intake vent 110 and the outtake vent 210, and the transformer body 600 is located in the air duct.
In this embodiment, the transformer body 600 generates heat during operation, so that the air inside the casing 100 becomes hot air, and the hot air flows along the air duct and flows out from the air outlet 210 at the upper part of the casing 100; the cold air outside the casing 100 enters the casing 100 from the air inlet 110 at the lower part of the casing 100, so that the heat generated by the transformer body 600 during the operation process can be taken away along with the air flow, thereby avoiding the overheating inside the casing 100 and prolonging the service life of the transformer body 600.
The net plate 111 arranged at the air inlet 110 can prevent small animals such as mice and insects from entering the shell 100 from the air inlet 110 to damage the transformer body 600; the rain cover 410 is disposed outside the air inlet 110, so that rainwater can be prevented from entering the housing 100 from the air inlet 110 and damaging the transformer body 600.
In addition, an exhaust fan can be arranged at the air outlet 210, and heat generated in the working process of the transformer can be taken away along with air through the air exhaust of the exhaust fan.
The housing 100 can prevent wind, rain, dust and external impact, and has a good protection effect on the internal transformer body 600. In addition, the housing 100 is a cylindrical structure, and for a three-phase wound core transformer, the heat dissipation areas of the core and the three-phase coil are consistent, so that the heat dissipation is uniform, and the heat dissipation effect is better; on the other hand, under the condition that the coil and the shell wall have the same insulation distance, the cylindrical shell 100 saves more materials; meanwhile, the cylindrical shell 100 has fewer seams, the production manufacturing process and the flow are simpler, and the production efficiency is improved.
In this embodiment, specifically, the number of the intake vents 110 is 3. Of course, in other embodiments, the number of the air intakes 110 may be set according to implementation requirements. The angle between two adjacent air inlets 110 is 60 degrees. The divided air inlets 110 are more advantageous to increase the amount of air supplied.
Referring to fig. 2, in some embodiments of the present invention, the transformer body 600 includes an iron core and a coil, the iron core is formed by winding an electrical steel strip or an amorphous strip, and the three rectangular iron core frames with approximately semi-circular cross-section and identical geometric dimensions are obtained, and the three-dimensional structure with an equilateral triangle overlooking direction is obtained by splicing two iron core frames. The coils comprise three-phase coils of a-phase high-low voltage coil, b-phase high-low voltage coil and c-phase high-low voltage coil, and the coils are wound on three core posts of the iron core respectively and are in triangular arrangement.
The transformer body 600 is further provided with a clamp, the clamp comprises an upper clamp and a lower clamp, the upper clamp is arranged at the upper part of the iron core, the lower clamp is arranged at the lower part of the iron core, and the upper clamp and the lower clamp jointly play a role in fixing and supporting the whole iron core and the coil.
The transformer body 600 is a three-dimensional wound core dry-type transformer, i.e., a transformer in which the core and coil windings are not immersed in insulating oil. The dry-type transformer has the advantages of strong short-circuit resistance, small maintenance workload, high operation efficiency, small volume, low noise and the like, and is commonly used in places with high performance requirements on fire prevention, explosion prevention and the like.
The outdoor type three-dimensional wound core dry-type transformer also has the following advantages: the energy-saving device is safe, fireproof, pollution-free, high in mechanical strength, strong in short-circuit resistance, small in partial discharge, good in thermal stability, high in reliability, long in service life, low in loss, low in noise, good in energy-saving effect, good in heat dissipation performance and strong in overload capacity; the volume is small, the weight is light, the occupied space is small, and the installation cost is low; the moisture resistance is good, and the device is suitable for operation in high humidity and other severe environments.
Referring to fig. 4, in some embodiments of the present invention, a second air inlet 411 is disposed below the rain cover 410. The cold air outside the casing 100 passes through the rain cover 410 from the second air inlet 411 and enters the casing 100 from the air inlet 110. The second air inlet 411 is disposed below the rain cover 410, so that rainwater can drop on the rain cover 410 and slide down along the rain cover 410, and cannot enter the rain cover 410 from the second air inlet 411 below.
Referring to fig. 1 and 3, in some embodiments of the present invention, the edge of the shell cap 200 is provided with an inclined water discharge surface 220, and the shell cap 200 is of a circular truncated cone shape. The case cap 200 is positioned at an upper portion of the cylindrical case, a connection pipe is provided between the case cap 200 and the cylindrical case, an outer diameter of the case cap 200 is larger than that of the connection pipe, and the outlet 210 is provided at a protruding portion of a bottom of the case cap 200.
In fig. 3 and 4, arrows indicate the air flow direction.
The utility model discloses a certain embodiment, the outside of shell 100 is equipped with hanger plate 101, is convenient for lift by crane the transformer through hanger plate 101.
Specifically, two hanger plates 101 are respectively provided at both sides of the case 100, that is, four hanger plates 101 in total. The hanger plate 101 comprises a horizontal bar, a vertical bar and a hook bar; the transverse strips and the longitudinal strips are vertically arranged to form an inverted L shape; the gib is located the terminal of horizontal bar, and all bulges in the upper and lower direction of horizontal bar. The longitudinal bars are connected to the outer wall surface of the housing 100. The two hanger plates 101 on one side are located between the high voltage bushing mounting plate 311 and the low voltage bushing mounting plate; the two hanger plates 101 on the other side are also located between the high voltage bushing mounting plate 311 and the low voltage bushing mounting plate.
The utility model discloses a certain embodiment, the below of shell 100 is equipped with bed hedgehopping base 500, and bed hedgehopping base 500 plays the effect of bearing, and bed hedgehopping base 500 makes shell 100 keep away from ground in addition, and the steam that reduces ground enters into shell 100, causes the damage to the transformer body 600 in the shell 100.
Specifically, the bed hedgehopping base 500 includes two leg pieces arranged in parallel, and a plurality of reinforcing pieces are connected between the two leg pieces, specifically, the number of the reinforcing pieces is six. Many reinforcement strips parallel arrangement, and reinforcement strip and the perpendicular setting of leg strip.
In some embodiments of the present invention, the outer side of the housing 100 is provided with a pressure-regulating sealing plate 120. The pressure regulating closing plate 120 is fastened on the shell wall of the shell 100 through bolts, and a sealing rubber plate is arranged between the shell wall of the shell 100 and the pressure regulating closing plate 120, so that the integral waterproof sealing performance of the shell 100 is ensured.
In some embodiments of the present invention, the outer side of the housing 100 is provided with a high voltage bushing mounting plate 311, and the high voltage bushing mounting plate 311 is provided with one or more high voltage bushings 312. When there are two or more high voltage bushings 312, the two or more high voltage bushings 312 are juxtaposed. The transformer body 600 is provided with a high voltage terminal, which is connected to the high voltage bushing 312 via a cable or a copper bar. Specifically, the number of high voltage bushings 312 is 3; of course, in other embodiments, the number of high voltage bushings 312 may be set according to specific practical requirements.
The utility model discloses a certain embodiment, the outside of shell 100 be equipped with the low-voltage bushing mounting panel, the low-voltage bushing mounting panel sets up with high-voltage bushing mounting panel 311 relatively, the low-voltage bushing mounting panel is equipped with one or more low-voltage bushing 322. When there are two or more low pressure bushings 322, the two or more low pressure bushings 322 are disposed in parallel. The transformer body 600 is provided with a low voltage terminal which is connected with the low voltage bushing 322 through a cable or a copper bar. Specifically, the number of low-pressure bushings 322 is 3; of course, in other embodiments, the number of low pressure sleeves 322 may be set according to specific practical requirements.
In addition, high voltage bushing 312 and low voltage bushing 322 are both located on the upper portion of housing 100, and the high voltage bushing mounting plate is disposed opposite the low voltage bushing mounting plate; the high voltage bushing 312 and the low voltage bushing 322 are located at the same level.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and the technical effects of the present invention can be achieved by the same means, which all belong to the protection scope of the present invention.
Claims (10)
1. An outdoor type three-dimensional wound core dry-type transformer, comprising:
a transformer body;
the transformer comprises a shell, wherein the transformer body is positioned in the shell, a shell cap is arranged on the upper portion of the shell, an air outlet is formed in the bottom of the shell cap, an air inlet is formed in the lower portion of the shell, a screen plate is arranged on the air inlet, and a rainproof cover is arranged on the outer side of the air inlet.
2. The outdoor type stereoscopic wound core dry-type transformer according to claim 1, wherein the edge of said case cap is provided with an inclined water discharge surface.
3. The outdoor type three-dimensional wound core dry-type transformer according to claim 1, wherein a hanger plate is provided at an outer side of the case.
4. The outdoor type three-dimensional wound core dry-type transformer according to claim 1, wherein a heightening base is provided under the outer case.
5. The outdoor type three-dimensional wound core dry-type transformer according to claim 1, wherein a voltage-regulating sealing plate is provided on an outer side of the housing.
6. The outdoor type stereoscopic wound core dry transformer as claimed in claim 1, wherein a high voltage bushing mounting plate is provided at an outer side of the case, and the high voltage bushing mounting plate is provided with a high voltage bushing.
7. The outdoor type stereoscopic wound core dry-type transformer as claimed in claim 6, wherein a low voltage bushing mounting plate is provided at an outer side of the case, the low voltage bushing mounting plate being disposed opposite to the high voltage bushing mounting plate, the low voltage bushing mounting plate being provided with a low voltage bushing.
8. An outdoor type three-dimensional wound core dry-type transformer according to claim 6, wherein said transformer body is provided with high voltage terminals, and said high voltage terminals are connected to said high voltage bushing.
9. An outdoor type three-dimensional wound core dry-type transformer according to claim 7, wherein said transformer body is provided with low voltage terminals, and said low voltage terminals are connected to said low voltage bushing.
10. The outdoor type three-dimensional wound core dry-type transformer according to claim 1, wherein a second air inlet is formed below the rain cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220856849.9U CN217606660U (en) | 2022-04-14 | 2022-04-14 | Outdoor type three-dimensional wound core dry-type transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220856849.9U CN217606660U (en) | 2022-04-14 | 2022-04-14 | Outdoor type three-dimensional wound core dry-type transformer |
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| CN217606660U true CN217606660U (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220856849.9U Active CN217606660U (en) | 2022-04-14 | 2022-04-14 | Outdoor type three-dimensional wound core dry-type transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117809936A (en) * | 2023-12-28 | 2024-04-02 | 广东康德威电气股份有限公司 | Three-dimensional roll iron core dry-type transformer |
-
2022
- 2022-04-14 CN CN202220856849.9U patent/CN217606660U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117809936A (en) * | 2023-12-28 | 2024-04-02 | 广东康德威电气股份有限公司 | Three-dimensional roll iron core dry-type transformer |
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