CN218920237U - Current transformer - Google Patents
Current transformer Download PDFInfo
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- CN218920237U CN218920237U CN202222421773.XU CN202222421773U CN218920237U CN 218920237 U CN218920237 U CN 218920237U CN 202222421773 U CN202222421773 U CN 202222421773U CN 218920237 U CN218920237 U CN 218920237U
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- aluminum
- heat dissipation
- distribution
- aluminum row
- row
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Abstract
The utility model provides a converter which comprises a cabinet body, a power distribution aluminum row and a heat radiation fan, wherein the cabinet body forms an accommodating space; the number of the distribution aluminum rows is multiple, and the distribution aluminum rows are arranged in the accommodating space; the heat dissipation fan is arranged in the accommodating space, and the power distribution aluminum bars are respectively close to the air inlet end and/or the air outlet end of the heat dissipation fan so as to conduct blowing and heat dissipation on the power distribution aluminum bars through the heat dissipation fan. The converter has the advantages of low manufacturing cost and capability of reducing the weight of the whole converter.
Description
Technical Field
The utility model relates to the technical field of power equipment, in particular to a current transformer.
Background
The power transmission and distribution busbar in the traditional converter is made of pure copper, namely copper bars, and the copper bars are adopted as the power transmission and distribution busbar, so that the power transmission and distribution busbar has the advantages of good heat dissipation effect, large current-carrying capacity and high mechanical strength. However, the copper bars are high in cost when used as power transmission and distribution bus bars of the current transformer, and the large-scale use of the copper bars can make the cost of the current transformer high. And the copper bars have the characteristic of large density, and the large-scale use of the copper bars can also lead to the large weight of the whole converter.
In view of this, it is necessary to provide a new current transformer which solves or at least alleviates the technical drawbacks mentioned above.
Disclosure of Invention
The utility model mainly aims to provide a converter, and aims to solve the technical problems that in the prior art, heat generated in the working process of an aluminum distribution bar is high, and the aluminum distribution bar cannot be applied to an AC (alternating current) for power transmission and distribution.
In order to achieve the above object, according to one aspect of the present utility model, there is provided a current transformer, including a cabinet body, a plurality of aluminum distribution rows and a heat dissipation fan, wherein the cabinet body forms a receiving space, the plurality of aluminum distribution rows are disposed in the receiving space, the heat dissipation fan is disposed in the receiving space, and the plurality of aluminum distribution rows are disposed near an air inlet end and/or an air outlet end of the heat dissipation fan, respectively, so as to blow and dissipate heat of the aluminum distribution rows through the heat dissipation fan.
In an embodiment, the number of the heat dissipation fans is two, the two heat dissipation fans are a first heat dissipation fan and a second heat dissipation fan respectively, the first heat dissipation fan and the second heat dissipation fan are arranged at intervals, the first heat dissipation fan corresponds to the area of the accommodating space, a first gas flow channel is formed from the air inlet end to the air outlet end, the second heat dissipation fan corresponds to the area of the accommodating space, a second gas flow channel is formed from the air inlet end to the air outlet end, a plurality of distribution aluminum rows are arranged, part of the distribution aluminum rows are close to the first gas flow channel, and the rest of the distribution aluminum rows are positioned in the second gas flow channel.
In an embodiment, the gas flow directions in the first gas flow channel and the second gas flow channel are opposite, and are communicated to form a circulating air channel.
In an embodiment, the number of the distribution aluminum rows is four, the four distribution aluminum rows are a first aluminum row, a second aluminum row, a third aluminum row and a fourth aluminum row respectively, the first aluminum row extends from the upper portion of the second cooling fan to be close to the first cooling fan, so that one end of the first aluminum row is close to the first gas flow channel, the other end of the first aluminum row is arranged in the second gas flow channel, the second aluminum row is close to the first gas flow channel, and the third aluminum row and the fourth aluminum row are arranged in the second gas flow channel and are located below the second cooling fan.
In an embodiment, the first heat dissipation fan and the second heat dissipation fan are arranged at a horizontal interval, one end of the first aluminum row, which is close to the first gas flow channel, is connected with the second aluminum row, and the third aluminum row and the fourth aluminum row are arranged at a vertical interval.
In an embodiment, a partition plate is arranged in the accommodating space, the partition plate divides the accommodating space into two independent cavities, and the heat dissipation fan and the distribution aluminum row are positioned in the same cavity.
In an embodiment, one of the two cavities is a closed cavity, and the heat dissipation fan and the distribution aluminum row are located in the closed cavity.
In an embodiment, the heat dissipation fan is an axial flow fan.
In one embodiment, the distribution aluminum row is a pure aluminum row.
In an embodiment, the outer surface of the distribution aluminum row is provided with a nickel metal layer, and the outer surface of the nickel metal layer is provided with a tin plating layer.
In the above-mentioned scheme, the converter includes the cabinet body, distribution aluminum row and cooling fan, cabinet body formation accommodation space, distribution aluminum row's quantity is a plurality of, a plurality of distribution aluminum rows set up in accommodation space, cooling fan sets up in accommodation space, a plurality of distribution aluminum rows are close to cooling fan's air inlet end and/or air-out end setting respectively, in order to blow the heat dissipation through cooling fan to distribution aluminum row, through setting up a plurality of distribution aluminum rows in accommodation space, and set up a plurality of distribution aluminum rows in the position that is close to cooling fan's air inlet end and/or air-out end respectively, therefore can blow the heat dissipation to a plurality of distribution aluminum rows through the air current that cooling fan produced at the in-process of work, thereby reduce distribution aluminum row at the heat that the in-process of power supply produced, make distribution aluminum row can be applicable to the power transmission and distribution of converter, use copper row to carry out the power transmission in large scale, the cost of converter is high and still can lead to the weight of converter to improve by a wide margin in the prior art. The utility model adopts the distribution aluminum row to carry out power supply, thereby reducing the manufacturing cost of the converter and the weight of the whole machine.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic cross-sectional structure of a current transformer according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of an aluminum distribution bar in an embodiment of the present utility model.
Reference numerals illustrate:
100. a current transformer; 1. a cabinet body; 2. a distribution aluminum row; 10. an accommodation space; 31. a first heat dissipation fan; 32. a second heat radiation fan; 310. a first gas flow passage; 320. a second gas flow path; 21. a first aluminum row; 22. a second aluminum row; 23. a third aluminum row; 23. a fourth aluminum row; 4. a partition board.
The achievement of the object, functional features and advantages of the present utility model will be further described with reference to the drawings in connection with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as upper and lower … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
Moreover, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the embodiments, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist, and is not within the scope of protection claimed by the present utility model.
Referring to fig. 1 and 2, according to an aspect of the present utility model, a converter 100 is provided, where the converter 100 includes a cabinet body 1, a distribution aluminum row 2 and a heat dissipation fan, the cabinet body 1 forms an accommodating space 10, the distribution aluminum row 2 is plural, the distribution aluminum row 2 is disposed in the accommodating space 10, the heat dissipation fan is disposed in the accommodating space 10, and the distribution aluminum rows 2 are respectively disposed near an air inlet end and/or an air outlet end of the heat dissipation fan so as to perform blowing and heat dissipation on the distribution aluminum row 2 through the heat dissipation fan.
In the above embodiment, the plurality of distribution aluminum bars 2 are disposed in the accommodating space 10, and the plurality of distribution aluminum bars 2 are disposed at the positions close to the air inlet end and/or the air outlet end of the heat dissipation fan, so that the plurality of distribution aluminum bars 2 can be blown and dissipated by the air flow generated in the working process of the heat dissipation fan, thereby reducing the heat generated in the power supply conveying process of the distribution aluminum bars 2, enabling the distribution aluminum bars 2 to be suitable for power transmission and distribution of the converter 100, compared with the prior art, adopting copper bars for power transmission and distribution, the large-scale use of the copper bars can make the cost of the converter 100 high, and the whole weight of the converter 100 can be greatly improved. In the embodiment, the power supply is conveyed by adopting the distribution aluminum row 2, so that the manufacturing cost of the converter 100 and the weight of the whole converter 100 are reduced, and the converter 100 is convenient to transport.
In an embodiment, the number of the heat dissipation fans is two, the two heat dissipation fans are a first heat dissipation fan 31 and a second heat dissipation fan 32, the first heat dissipation fan 31 and the second heat dissipation fan 32 are arranged at intervals, a first gas flow channel 310 is formed in a region of the first heat dissipation fan 31 corresponding to the accommodating space 10 from an air inlet end to an air outlet end, a second gas flow channel 320 is formed in a region of the second heat dissipation fan 32 corresponding to the accommodating space 10 from the air inlet end to the air outlet end, and among the plurality of distribution aluminum rows 2, part of distribution aluminum rows 2 are arranged close to the first gas flow channel 310, and the rest of distribution aluminum rows 2 are located in the second gas flow channel 320. The first heat dissipation fan 31 and the second heat dissipation fan 32 respectively drive the gas in the first gas flow channel 310 and the second gas flow channel 320 to flow in the working process, so that the flowing gas exchanges heat with the surfaces of the part of the distribution aluminum row 2 close to the first gas flow channel 310 and the rest of the distribution aluminum rows 2 arranged in the second gas flow channel 320, and heat generated in the power transmission process of the distribution aluminum rows 2 is reduced.
In one embodiment, the gas flows in the first gas flow channel 310 and the second gas flow channel 320 are opposite, and are communicated to form a circulating air channel. The air inlet end of the first heat dissipation fan 31 is arranged above the air outlet end, the first heat dissipation fan 31 blows air from top to bottom in the working process, the air inlet end of the second heat dissipation fan 32 is arranged below the air outlet end, the second heat dissipation fan 32 blows air from bottom to top in the working process, so that air flow sent downwards by the first heat dissipation fan 31 can be sucked by the air inlet end of the second heat dissipation fan 32 and sent out from the air outlet end of the second heat dissipation fan 32, air flow sent upwards by the second heat dissipation fan 32 can be sucked by the air inlet end of the first heat dissipation fan 31, so that the first air flow channel 310 and the second air flow channel 320 are communicated to form a circulating air channel.
In an embodiment, the number of the distribution aluminum rows 2 is four, the four distribution aluminum rows 2 are a first aluminum row 21, a second aluminum row 22, a third aluminum row 23 and a fourth aluminum row 23, the first aluminum row 21 extends from above the second cooling fan 32 to near the first cooling fan 31, so that one end of the first aluminum row 21 is near the first air flow channel 310, the other end of the first aluminum row 21 is arranged in the second air flow channel 320, the second aluminum row 22 is near the first air flow channel 310, and the third aluminum row 23 and the fourth aluminum row 23 are arranged in the second air flow channel 320 and below the second cooling fan 32. In this embodiment, the first aluminum row 21 extends from the top of the second heat dissipation fan 32 to be close to the first heat dissipation fan 31, so that the second heat dissipation fan 32 and the second heat dissipation fan 32 can both dissipate heat of the first aluminum row 21, the second aluminum row 22 is close to the first air flow channel 310, when the first heat dissipation fan 31 is working, the first heat dissipation fan 31 drives air in the first air flow channel 310, when heat generated by the second aluminum row 22 is dissipated into the first air flow channel 310, air in the first air flow channel 310 is always in a flowing state, thereby realizing heat dissipation of the second aluminum row 22, the third aluminum row 23 and the fourth aluminum row 23 are arranged in the second air flow channel 320 and are located below the second heat dissipation fan 32, and when air in the second air flow channel 320 flows, heat generated by the third aluminum row 23 and the fourth aluminum row 23 can be absorbed, thereby realizing heat dissipation of the third aluminum row 23 and the fourth aluminum row 23.
In an embodiment, the first heat dissipation fan 31 and the second heat dissipation fan 32 are disposed at a lateral interval, one end of the first aluminum row 21 close to the first gas flow channel 310 is connected to the second aluminum row 22, and the third aluminum row 23 and the fourth aluminum row 23 are disposed at a vertical interval. The first heat dissipation fan 31 and the second heat dissipation fan 32 are arranged in the accommodating space 10 along the transverse interval, the first aluminum row 21 extends along the transverse direction, one end of the first aluminum row 21, which is close to the first gas flow passage 310, is connected with the second aluminum row 22, so that one end of the first aluminum row 21 is close to the first gas flow passage 310, the other end of the first aluminum row 21 is positioned in the second gas flow passage 320 and above the second heat dissipation fan 32, the third aluminum row 23 and the fourth aluminum row 23 are arranged along the vertical interval, and the space inside the accommodating space 10 is reasonably utilized.
In an embodiment, a partition board 4 is arranged in the accommodating space 10, the partition board 4 divides the accommodating space 10 into two independent cavities, and the heat dissipation fan and the power distribution aluminum row 2 are located in the same cavity. In this embodiment, baffle 4 extends along transversely to separate accommodation space 10 into two independent cavitys, radiator fan and distribution aluminium row 2 are located one of them cavity, can set up the control unit in another cavity, adopt baffle 4 to separate accommodation space 10, can prevent that the control unit from arranging subassembly direct contact with the aluminium, thereby avoided the risk of components and parts inefficacy.
In an embodiment, in two cavities, one of the two cavities is a closed cavity, and the heat dissipation fan and the power distribution aluminum row 2 are located in the closed cavity, so that the heat dissipation fan and the power distribution aluminum row are arranged in the closed cavity, and the protection level of the whole converter 100 and the operation safety of the converter 100 can be improved.
In an embodiment, the heat dissipation fan is an axial flow fan, so that the heat dissipation fan has the advantages of low power consumption, fast heat dissipation and the like.
In an embodiment, the distribution aluminum row 2 is a pure aluminum row, and the distribution aluminum row 2 made of the pure aluminum row can enable the distribution aluminum row 2 to have good extensibility and tensile strength, is convenient to process and easy to mold in the production and manufacturing process, and can enable the distribution aluminum row 2 to have good corrosion resistance and conductivity.
In an embodiment, the outer surface of the distribution aluminum busbar 2 is provided with a nickel metal layer, and the outer surface of the nickel metal layer is provided with a tin plating layer. The nickel metal layer can reduce the internal stress of the distribution aluminum row 2, compared with the distribution aluminum row 2, the tin plating layer is directly arranged on the outer surface of the distribution aluminum row 2, the nickel metal layer is arranged on the outer surface of the distribution aluminum row 2, and the tin plating layer is arranged on the outer surface of the nickel metal layer, so that tin whisker can be restrained from being generated, metal compounds are prevented from being formed between the distribution aluminum row 2 and the tin plating layer, and circuit faults are caused in the working process of the distribution aluminum row 2. The corrosion resistance of the distribution aluminum row 2 can be improved by arranging the distribution aluminum row 2 with the tin plating layer, so that the service life of the distribution aluminum row 2 is effectively prolonged, and the maintenance cost of the converter 100 is further reduced.
The foregoing is only an optional embodiment of the present utility model, and is not intended to limit the scope of the present utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. A current transformer, comprising:
the cabinet body forms an accommodating space;
the power distribution aluminum rows are multiple in number, and the multiple power distribution aluminum rows are arranged in the accommodating space;
the heat dissipation fans are arranged in the accommodating space, and the power distribution aluminum rows are respectively close to the air inlet ends and/or the air outlet ends of the heat dissipation fans, so that the power distribution aluminum rows are blown and cooled by the heat dissipation fans.
2. The converter of claim 1, wherein the number of the heat dissipation fans is two, the two heat dissipation fans are a first heat dissipation fan and a second heat dissipation fan respectively, the first heat dissipation fan and the second heat dissipation fan are arranged at intervals, a first gas flow channel is formed in a direction from an air inlet end to an air outlet end in a region corresponding to the accommodating space of the first heat dissipation fan, a second gas flow channel is formed in a direction from the air inlet end to the air outlet end in a region corresponding to the accommodating space of the second heat dissipation fan, and a plurality of distribution aluminum rows are arranged, wherein part of the distribution aluminum rows are arranged close to the first gas flow channel, and the rest of the distribution aluminum rows are arranged in the second gas flow channel.
3. The converter of claim 2 wherein the gases in said first and second gas flow paths are of opposite flow and are in communication to form a circulation duct.
4. The converter of claim 2 wherein the number of said aluminum distribution rows is four, and wherein said four aluminum distribution rows are a first aluminum row, a second aluminum row, a third aluminum row, and a fourth aluminum row, respectively, said first aluminum row extending from above said second heat dissipating fan to adjacent said first heat dissipating fan such that one end of said first aluminum row is disposed adjacent said first gas flow path, the other end of said first aluminum row is disposed in said second gas flow path, said second aluminum row is disposed adjacent said first gas flow path, and said third aluminum row and said fourth aluminum row are disposed in said second gas flow path and below said second heat dissipating fan.
5. The converter of claim 4 wherein said first heat dissipating fan and said second heat dissipating fan are disposed at a lateral spacing, said first aluminum row is connected to said second aluminum row at an end adjacent said first gas flow path, and said third aluminum row and said fourth aluminum row are disposed at a vertical spacing.
6. A converter according to any one of claims 1 to 5, wherein a partition is provided in the accommodation space, the partition dividing the accommodation space into two separate cavities, the heat dissipation fan and the distribution aluminum row being located in the same cavity.
7. The converter of claim 6 wherein one of said cavities is a closed cavity, said heat dissipating fan and said aluminum distribution bar being located within said closed cavity.
8. A converter according to any one of claims 1 to 5, wherein the heat dissipation fan is an axial flow fan.
9. The converter of any of claims 1-5, wherein the distribution aluminum row is a pure aluminum row.
10. The current transformer according to any one of claims 1 to 5, wherein the outer surface of the distribution aluminum row is provided with a nickel metal layer, and the outer surface of the nickel metal layer is provided with a tin plating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222421773.XU CN218920237U (en) | 2022-09-13 | 2022-09-13 | Current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222421773.XU CN218920237U (en) | 2022-09-13 | 2022-09-13 | Current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218920237U true CN218920237U (en) | 2023-04-25 |
Family
ID=86011594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222421773.XU Active CN218920237U (en) | 2022-09-13 | 2022-09-13 | Current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218920237U (en) |
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2022
- 2022-09-13 CN CN202222421773.XU patent/CN218920237U/en active Active
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