CN217444198U

CN217444198U - Transformer radiating fin convenient to replace

Info

Publication number: CN217444198U
Application number: CN202220687655.0U
Authority: CN
Inventors: 乔林波; 贾庚亚; 刘文涛; 牛志强; 谢小三
Original assignee: Pingdingshan Yike Electric Co ltd
Current assignee: Pingdingshan Yike Electric Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-09-16
Anticipated expiration: 2032-03-28

Abstract

The utility model provides a transformer cooling fin of convenient change belongs to transformer heat dissipation technical field, this transformer cooling fin of convenient change, include the pipe and lower oil pipe that oil that are connected with transformer dismantlement, upward be equipped with a plurality of bases on oil pipe and the lower oil pipe respectively, the cavity that oils that is located its inside has been seted up to one side of upside base, the lower oil pocket that is located its inboard has been seted up to the opposite side of downside base, it is connected with inside hollow fin to dismantle between two relative bases from top to bottom, set up on the upside base and link to be used in the oil inlet to oil feed in the fin with the cavity that oils, set up on the downside base and be used for discharging the oil-out of fin interior fluid with lower oil pocket intercommunication. The utility model has the advantages that: the radiating fins and the base are detachably connected, the radiating fins can be detached from the base in the transportation engineering, the radiating fins are conveniently and neatly arranged, the transportation convenience is improved, and the installation convenience of the radiating fins can be effectively improved in the installation process.

Description

Transformer radiating fin convenient to replace

Technical Field

The utility model belongs to the technical field of the transformer heat dissipation, concretely relates to transformer fin of convenient change.

Background

The transformer generates loss in the process of transmitting electric energy, wherein the loss generated due to the resistance of a wire is related to and proportional to load current, the loss is basically converted into heat energy to cause the temperature of a coil winding of the transformer to rise, the coil winding of the transformer generally and particularly a low-voltage winding have the largest current due to the operation of the transformer, the generated heat is the largest, the temperature is the highest, an insulating material for manufacturing the transformer has a certain temperature limit value, and after the certain temperature is exceeded, the insulating capacity of the insulating material can be greatly reduced, so that the safe operation of the transformer is influenced; and the oil-immersed transformer: also known as oil-immersed transformers. It is a structural type of transformer, i.e. the coil of the transformer is soaked in oil. The oil-immersed transformer is generally installed indoors or outdoors in an independent transformer due to the fireproof requirement, and the function of quickly cooling is realized by circulating oil in the radiating fins, so that the oil-immersed transformer has the characteristics of large volume, low cost, simple maintenance, good radiating performance, strong overload capacity and wide adaptive environment.

However, most of the radiating fins of the oil-immersed transformer are integrated and not detachable, so that the whole radiating fins of the transformer have larger volume and weight, and are very inconvenient to install and transport

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer fin of convenient change, the heat dissipation plate volume and the weight that aim at solving current oil-immersed transformer are all bigger, lead to the very troublesome problem of transportation and installation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a transformer fin of convenient change, includes the pipe and the lower oil pipe that oil that are connected with transformer dismantlement, it is equipped with a plurality of bases on oil pipe and the lower oil pipe respectively to go up, the upside base and downside align from top to bottom the base, the upside one side of base is seted up and is located its inside chamber that oils, goes up the oil pocket and feeds through with the pipe that oils, the downside the lower oil pocket that is located its inboard is seted up to the opposite side of base, lower oil pocket and lower oil pipe intercommunication, relative two from top to bottom dismantle between the base and be connected with inside hollow fin, upside set up on the base with the chamber that oils even be used for the oil inlet to the interior oil feed of fin, downside set up on the base with lower oil pocket intercommunication be used for discharging the oil-out of fin interior fluid.

In order to make this convenient transformer fin of changing be convenient for set up the base to increase the base and at last oil pipe or the stability on oil pipe down, do the utility model relates to an it is preferred, it all is U-shaped or n shape with oil pipe down to go up oil pipe, upside the base both ends all with last oil pipe fixed connection, downside the both ends of base all with oil pipe fixed connection down.

In order to make this convenient transformer fin of changing go up oil pipe and oil pipe connection down be convenient for be connected with the transformer, as the utility model relates to an it is preferred, it is equipped with flange respectively with oil pipe's both ends down to go up oil pipe, it seals to go up the one end that oil pipe kept away from the oil pocket, oil pipe keeps away from the one end of oil pocket down and seals down.

In order to make this fluid in transformer fin that conveniently changes circulate through the fin, as the utility model relates to an it is preferred, outer plug-in hole has been seted up to the outside end of base, the upside outer plug-in hole is located the outside of oil inlet, interior plug-in hole has been seted up to the medial extremity of base, the downside interior plug-in hole is located the outside of oil-out, be equipped with on the fin and insert the downthehole intubate of plug-in hole and outer plug-in hole, with the intubate that oil inlet and oil-out correspond communicates with the inside of fin.

In order to make this kind of intubate in the transformer fin of conveniently changing closely with outer plug-in hole and interior plug-in connection, prevent the fluid seepage, as the utility model relates to an it is preferred, be equipped with sealing element on outer plug-in hole and the interior wall of plug-in hole respectively.

In order to make this convenient transformer fin of changing in fin be connected with the base more stable, as the utility model relates to an it is preferred, be equipped with the slide that sets up along its length direction on the base, the upper and lower both ends of fin insert respectively in the slide and with slide sliding connection.

In order to make the base quality among this convenient transformer fin of changing lighter, as the utility model relates to an it is preferred, every all seted up in the base and subtract heavy chamber.

In order to make this transformer fin of conveniently changing go up oil pipe and oil pipe down and have stronger holding power to the fin, as the utility model relates to an it is preferred, go up and be equipped with the backup pad that is located its rear side between oil pipe and the oil pipe down.

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

1. this transformer fin of convenient change, fin and base are dismantled and are connected, can dismantle the fin from the base in the engineering of transportation, are convenient for arrange the neat emission of fin, improve the convenience of transportation, the in-process of installation, only need to install single fin on the base can, can the effectual convenience of improving the fin installation.

2. This transformer fin of convenient change, the upper and lower both ends of fin insert respectively in the slide and with slide sliding connection, can increase the area of contact that fin and base are connected, avoid only relying on the intubate to be connected with the base, lead to the fin to bear external transverse force ability not enough, improve the fin to external transverse force's resistance.

Drawings

The accompanying drawings 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 invention and not to limit the invention. In the drawings:

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

fig. 2 is a schematic side view of a full section of an embodiment of the present invention;

FIG. 3 is a schematic side view, in full section, of an embodiment of the present invention with the fins removed;

FIG. 4 is a schematic side view of a cooling fin according to an embodiment of the present invention;

fig. 5 is an enlarged view of a portion a of a full-section axial-side schematic view of an embodiment of the present invention with the fins removed.

FIG. 6 is an enlarged view of the position B in the schematic side view of the full section of the shaft with the heat sink removed according to an embodiment of the present invention

In the figure: 1. feeding an oil pipe; 2. discharging an oil pipe; 3. a base; 4. an upper oil chamber; 5. a lower oil chamber; 6. a heat sink; 7. an oil inlet; 8. an oil outlet; 9. a connecting flange; 10. an outer plug hole; 11. an inner inserting hole; 12. inserting a tube; 13. a sealing element; 14. a slideway; 15. a weight-reducing cavity; 16. and a support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-6, the present invention provides the following technical solutions: the utility model provides a transformer fin of convenient change, includes and dismantles last oil pipe 1 and lower oil pipe 2 of being connected with the transformer, it is equipped with a plurality of bases 3 respectively on oil pipe 1 and the lower oil pipe 2 to go up, the upside base 3 and downside align about the base 3, the upside one side of base 3 is seted up and is located its inside upper oil chamber 4, upper oil chamber 4 and last oil pipe 1 intercommunication, the downside the opposite side of base 3 is seted up and is located its inboard lower oil pocket 5, lower oil pocket 5 and lower oil pipe 2 intercommunication, two relative from top to bottom dismantle between the base 3 and be connected with inside hollow fin 6, upside set up on the base 3 with upper oil chamber 4 intercommunication be used for to the oil inlet 7 of fin 6 interior oil feed, the downside set up on the base 3 with lower oil pocket 5 intercommunication be used for discharging the oil-out 8 of 6 interior fluid of fin.

The utility model discloses an in the embodiment, fluid in the transformer enters into fin 6 through last oil pipe 1 and last oil pocket 4 and oil inlet 7 in, later fluid gets back to the transformer through oil-out 8 and lower oil pocket 5 and lower oil pipe 2 again, make fluid in the transformer can give off its heat in fin 6, and fin 6 still dismantles with base 3 and connects, can dismantle fin 6 from base 3 in the engineering of transportation, be convenient for to the orderly emission of fin 6, improve the convenience of transportation, the in-process of installation, only need to install single fin 6 on base 3 can, can the effectual convenience of improving the installation of fin 6.

Furthermore, the upper oil pipe 1 and the lower oil pipe 2 are both U-shaped or n-shaped, two ends of the upper base 3 are both fixedly connected with the upper oil pipe 1, and two ends of the lower base 3 are both fixedly connected with the lower oil pipe 2; the both ends of base 3 are connected with oil pipe 1 or oil pipe 2 down and can effectual increase base 3's stability to oil pipe 1 all is U-shaped or n shape with oil pipe 2 down, makes oil pipe 1 and oil pipe 2's both ends all be connected with the transformer down, can increase oil pipe 1 and oil pipe 2's stability down.

Furthermore, two ends of the upper oil pipe 1 and the lower oil pipe 2 are respectively provided with a connecting flange 9, one end of the upper oil pipe 1, which is far away from the upper oil cavity 4, is closed, and one end of the lower oil pipe 2, which is far away from the lower oil cavity 5, is closed; go up oil pipe 1 and oil pipe 2 down and use flange 9 to be connected with the transformer for go up oil pipe 1 and oil pipe 2 down and transformer connected's intensity is bigger, and the bearing can be stronger, and then makes fin 6 more stable, and the one end of going up oil pipe 1 and oil pipe 2 down is sealed, makes fluid can get into fin 6 through oil pipe 1, and in getting back to the transformer from oil pipe 2 down, realizes the circulation of fluid, plays better radiating effect.

Furthermore, an outer plug hole 10 is formed in the outer side end of the base 3, the outer plug hole 10 on the upper side is located on the outer side of the oil inlet 7, an inner plug hole 11 is formed in the inner side end of the base 3, the inner plug hole 11 on the lower side is located on the outer side of the oil outlet 8, an insertion pipe 12 which can be inserted into the inner plug hole 11 and the outer plug hole 10 is arranged on the cooling fin 6, and the insertion pipe 12 corresponding to the oil inlet 7 and the oil outlet 8 is communicated with the inside of the cooling fin 6; the insertion pipe 12 is inserted into the outer insertion hole 10 or the inner insertion space, the radiating fin 6 is connected with the base 3 in a detachable mode, the oil inlet 7 and the oil outlet 8 are wrapped on the inner side of the insertion pipe 12, and oil leakage can be effectively avoided.

Further, sealing elements 13 are respectively arranged on the inner walls of the outer inserting hole 10 and the inner inserting hole 11; the sealing element 13 can increase the sealing performance of the insertion pipe 12 connection, and further plays a role in preventing oil leakage.

Preferably, the sealing element 13 is a gasket.

Further, a slideway 14 is arranged on the base 3 along the length direction of the base, and the upper end and the lower end of the radiating fin 6 are respectively inserted into the slideway 14 and are in sliding connection with the slideway 14; the contact area of the heat radiating fin 6 and the base 3 is increased, the phenomenon that the heat radiating fin 6 is insufficient in capability of bearing external transverse force due to the fact that the heat radiating fin 6 is connected with the base 3 only through the inserting tube 12 is avoided, and the resistance capability of the heat radiating fin 6 to the external transverse force is improved.

Furthermore, a weight reduction cavity 15 is formed in each base 3; for reducing the weight of the base 3 while saving raw materials.

Further, a support plate 16 positioned at the rear side of the upper oil pipe 1 and the lower oil pipe 2 is arranged between the upper oil pipe and the lower oil pipe; the supporting device is used for supporting the upper oil pipe 1 and the lower oil pipe 2, so that the deformation caused by the excessive bending of the upper oil pipe 1 or the lower oil pipe 2 is avoided, and the bearing capacity of the upper oil pipe 1 and the lower oil pipe 2 is improved.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. A transformer cooling fin convenient to replace comprises an upper oil pipe (1) and a lower oil pipe (2) which are detachably connected with a transformer, and is characterized in that the upper oil pipe (1) and the lower oil pipe (2) are respectively provided with a plurality of bases (3), the upper side of each base (3) is vertically aligned with the lower side of each base (3), one side of each base (3) is provided with an upper oil cavity (4) which is arranged inside the base, the upper oil cavity (4) is communicated with the upper oil pipe (1), the lower side of each base (3) is provided with a lower oil cavity (5) which is arranged inside the base, the lower oil cavity (5) is communicated with the lower oil pipe (2), two bases (3) which are opposite from top to bottom are detachably connected with a cooling fin (6) with a hollow inside, the upper side of each base (3) is provided with an oil inlet (7) which is communicated with the upper oil cavity (4) and is used for feeding oil into the cooling fin (6), an oil outlet (8) communicated with the lower oil cavity (5) and used for discharging oil in the radiating fins (6) is formed in the base (3) on the lower side.

2. The transformer heat sink convenient to replace according to claim 1, wherein: go up oil pipe (1) and oil pipe (2) down and all be U-shaped or n shape, the upside base (3) both ends all with last oil pipe (1) fixed connection, the downside the both ends of base (3) all with oil pipe (2) fixed connection down.

3. The transformer heat sink convenient to replace according to claim 1, wherein: and two ends of the upper oil pipe (1) and the lower oil pipe (2) are respectively provided with a connecting flange (9), one end of the upper oil pipe (1) far away from the upper oil cavity (4) is sealed, and one end of the lower oil pipe (2) far away from the lower oil cavity (5) is sealed.

4. The transformer heat sink convenient to replace according to claim 1, wherein: an outer inserting hole (10) is formed in the outer side end of the base (3), the outer inserting hole (10) on the upper side is located on the outer side of the oil inlet (7), an inner inserting hole (11) is formed in the inner side end of the base (3), the inner inserting hole (11) on the lower side is located on the outer side of the oil outlet (8), inserting pipes (12) capable of being inserted into the inner inserting hole (11) and the outer inserting hole (10) are arranged on the radiating fins (6), and the inserting pipes (12) corresponding to the oil inlet (7) and the oil outlet (8) are communicated with the inside of the radiating fins (6).

5. The transformer heat sink convenient to replace according to claim 4, wherein: and sealing elements (13) are respectively arranged on the inner walls of the outer inserting hole (10) and the inner inserting hole (11).

6. The transformer heat sink convenient to replace according to claim 1, wherein: the base (3) is provided with a slide way (14) arranged along the length direction of the base, and the upper end and the lower end of the radiating fin (6) are respectively inserted into the slide way (14) and are in sliding connection with the slide way (14).

7. The transformer heat sink convenient to replace according to claim 1, wherein: each base (3) is internally provided with a weight reduction cavity (15).

8. The transformer heat sink convenient to replace according to any one of claims 1 to 7, wherein: a supporting plate (16) positioned at the rear side of the oil feeding pipe (1) and the oil discharging pipe (2) is arranged between the oil feeding pipe and the oil discharging pipe.