CN219778689U - Current transformer running in high-temperature environment - Google Patents

Current transformer running in high-temperature environment Download PDF

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Publication number
CN219778689U
CN219778689U CN202320646971.8U CN202320646971U CN219778689U CN 219778689 U CN219778689 U CN 219778689U CN 202320646971 U CN202320646971 U CN 202320646971U CN 219778689 U CN219778689 U CN 219778689U
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China
Prior art keywords
base
fixed plate
current transformer
temperature environment
fixed mounting
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CN202320646971.8U
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Chinese (zh)
Inventor
胡光远
马传超
李铁阳
刘济鸣
刘朕言
牟喜鹏
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SHANGHAI DAYIHU POWER ELECTRICAL APPLIANCE CO LTD
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SHANGHAI DAYIHU POWER ELECTRICAL APPLIANCE CO LTD
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Priority to CN202320646971.8U priority Critical patent/CN219778689U/en
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Abstract

The utility model discloses a current transformer capable of running in a high-temperature environment, and relates to the technical field of current transformers. Two wrapped outer shields are arranged on the outer side of the base and are matched with cooling liquid in a liquid storage cavity of the outer shields, so that heat generated during operation in the base can be absorbed, and heat dissipation treatment is carried out through the C-shaped radiating fins and the longitudinal fixing plates, so that devices in the base cannot be in a high-temperature operation state for a long time.

Description

Current transformer running in high-temperature environment
Technical Field
The utility model relates to the technical field of current transformers, in particular to a current transformer running in a high-temperature environment resistant mode.
Background
The high-voltage transformer is suitable for converting large voltage into small voltage or converting large current into small current in a power system of 1-220 kv so as to facilitate measurement, protection and use, and can be divided into two types of electromagnetic induction type and capacitance voltage division type according to principles;
when the high-voltage transformer is used, the mounting mode of the high-voltage transformer can be externally mounted and also can be internally mounted in the box body, so that the high-voltage transformer is externally mounted, the whole structure is directly exposed outdoors, outdoor air circulation can be utilized for cooling, the high-voltage transformer which can be built in the electrical cabinet is blocked by the cabinet body of the electrical cabinet, so that the air circulation efficiency in the electrical cabinet is reduced, heat generated during operation of the high-voltage transformer cannot be rapidly dissipated from the base, the high-voltage transformer is easy to operate in a high-temperature environment for a long time, and the actual service life of the high-voltage transformer is reduced.
Disclosure of Invention
The utility model aims to provide a current transformer running in a high-temperature environment, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the current transformer capable of running in the high-temperature environment comprises a base, two rod insulators are fixedly arranged at the upper end of the base, a supporting seat is fixedly arranged at the upper end of the rod insulators, a connecting terminal is fixedly arranged at the upper end of the supporting seat, two outer shields are fixedly arranged at the outer side of the lower end of the base, two longitudinal fixing plates are fixedly arranged at the lower ends of the outer shields respectively, and a plurality of C-shaped radiating fins are fixedly arranged at the outer sides of the outer shields respectively.
As a further preferable scheme of the utility model, a plurality of limit grooves are formed in the outer side of the base, and the limit grooves are formed by stamping and recessing the base main body.
As a further preferable scheme of the utility model, a plurality of limit flanges are arranged on the inner side of the outer shield, and the limit flanges are fixedly arranged on the inner side of the outer shield in a welding mode.
As a further preferable scheme of the utility model, a liquid storage cavity is further formed in the outer shield, a cooling medium is stored in the liquid storage cavity, the cooling medium can be glycol type cooling liquid, a plurality of heat conducting rods are arranged on one side of the C-shaped radiating fins, opposite to the outer shield, one ends of the heat conducting rods are fixedly arranged on one side of the C-shaped radiating fins in a welding mode, the other ends of the heat conducting rods are installed in the liquid storage cavity in an inserting mode, the contact position of the heat conducting rods and the outer shield is sealed in a welding mode, one ends of the heat conducting rods located in the liquid storage cavity are provided with heat absorption blocks, and the heat absorption blocks are fixedly arranged on the other ends of the heat conducting rods in a welding mode.
As a further preferable scheme of the utility model, the upper ends of the two longitudinal fixing plates are fixedly arranged at the lower end of the outer shield in a welding mode respectively, the lower ends of the longitudinal fixing plates are provided with transverse fixing plates, the transverse fixing plates are fixedly arranged at the lower ends of the longitudinal fixing plates in a welding mode, mounting through grooves are formed in the transverse fixing plates, side plates are arranged between the longitudinal fixing plates and the transverse fixing plates, and one side of each side plate and the position of the lower end are fixedly arranged at one side of each longitudinal fixing plate and one side of the upper end of each transverse fixing plate in a welding mode respectively.
As a further preferable scheme of the utility model, a plurality of straight radiating fins are arranged between the two longitudinal fixing plates, two ends of each straight radiating fin are fixedly arranged on one side of the corresponding longitudinal fixing plate in a welding mode, a radiating channel is formed between the two straight radiating fins, two outer shields are respectively installed on one side of the base in a penetrating mode, the limiting flange is installed in a limiting groove on one side of the base in a penetrating mode, and the two side plates are fixedly connected through bolts.
Compared with the prior art, the utility model has the following beneficial effects:
according to the high-temperature-environment-running-resistant current transformer, the two wrapped outer shields are arranged on the outer side of the base and are matched with cooling liquid in the liquid storage cavity of the outer shields, heat generated during running in the base can be absorbed, and heat dissipation treatment is carried out through the C-shaped radiating fins and the longitudinal fixing plates, so that devices in the base cannot be in a high-temperature running state for a long time.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present utility model;
FIG. 2 is a schematic view of a base structure of the present utility model;
FIG. 3 is a split view of the outer shroud structure of the present utility model;
fig. 4 is a cross-sectional view of the outer shroud of the present utility model.
In the figure: 1. a base; 2. a rod insulator; 3. a support base; 4. a connection terminal; 5. an outer shield; 6. a longitudinal fixing plate; 7. c-shaped radiating fins; 8. a limit groove; 9. a liquid storage cavity; 10. a limit flange; 11. a heat conduction rod; 12. a heat absorbing block; 13. a transverse fixing plate; 14. installing a through groove; 15. a side plate; 16. a straight heat sink.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-4, the current transformer capable of running in a high-temperature environment comprises a base 1, wherein two rod insulators 2 are fixedly arranged at the upper end of the base 1, a supporting seat 3 is fixedly arranged at the upper end of each rod insulator 2, a connecting terminal 4 is fixedly arranged at the upper end of each supporting seat 3, two outer shields 5 are fixedly arranged at the outer side of the lower end of the base 1, two longitudinal fixing plates 6 are fixedly arranged at the lower ends of the two outer shields 5 respectively, and a plurality of C-shaped radiating fins 7 are fixedly arranged at the outer sides of the two outer shields 5 respectively.
The outer side of the base 1 is provided with a plurality of limit grooves 8, the limit grooves 8 are formed by stamping and recessing the main body of the base 1, the inner side of the outer shield 5 is provided with a plurality of limit flanges 10, the limit flanges 10 are fixedly arranged at the inner side of the outer shield 5 in a welding manner, the outer shield 5 is internally provided with a liquid storage cavity 9, a cooling medium is stored in the liquid storage cavity 9, the cooling medium can be glycol type cooling liquid, one side of the C-shaped cooling fin 7 opposite to the outer shield 5 is provided with a plurality of heat conducting rods 11, one end of each heat conducting rod 11 is fixedly arranged at one side of the C-shaped cooling fin 7 in a welding manner, the other end of each heat conducting rod 11 is inserted and arranged in the liquid storage cavity 9, the contact position between each heat conducting rod 11 and the outer shield 5 is sealed in a welding manner, one end of each heat conducting rod 11 positioned in the liquid storage cavity 9 is provided with a heat absorbing block 12, the heat absorbing block 12 is fixedly arranged at the other end of each heat conducting rod 11 in a welding manner, and heat in the liquid storage cavity 9 can be rapidly discharged and dispersed by using the cooling liquid in the liquid storage cavity 9 and the C-shaped cooling fin 7 outside the outer shield 5;
the upper ends of the two longitudinal fixing plates 6 are fixedly arranged at the lower ends of the outer shields 5 in a welding mode respectively, the lower ends of the longitudinal fixing plates 6 are provided with transverse fixing plates 13, the transverse fixing plates 13 are fixedly arranged at the lower ends of the longitudinal fixing plates 6 in a welding mode, mounting through grooves 14 are formed in the transverse fixing plates 13, side plates 15 are arranged between the longitudinal fixing plates 6 and the transverse fixing plates 13, one side of each side plate 15 and the position of the lower end are fixedly arranged at one side of each longitudinal fixing plate 6 and one side of the upper end of each transverse fixing plate 13 in a welding mode respectively, a plurality of straight radiating fins 16 are arranged between the two longitudinal fixing plates 6, two ends of each straight radiating fin 16 are fixedly arranged at one side of the corresponding longitudinal fixing plate 6 in a welding mode respectively, a radiating channel is formed between the two straight radiating fins 16, the two outer shields 5 are respectively installed at one side of the base 1 in an inserted mode, a limiting flange 10 is installed in the limiting groove 8 at one side of the base 1 in an inserted mode, the two side plates 15 are fixedly connected with each other through bolts, the outer shields 5 are installed in an electric cabinet through the longitudinal fixing plates 6 and the transverse fixing plates 13 respectively, and the two side plates 16 are capable of guaranteeing heat dissipation of the lower ends of the outer shields 5 to be normally.
It should be noted that, the present utility model is a current transformer running in a high temperature environment, when two outer shields 5 are installed, the two outer shields 5 are installed on one side of the base 1 in a penetrating manner, and the limit flanges 10 on the inner side of the outer shields 5 are installed in the limit grooves 8 corresponding to one side of the base 1 in a penetrating manner, so as to achieve the effect of vertically limiting the outer shields 5 and the base 1, then, the lower ends of the two outer shields 5 are fixedly connected to the two connected side plates 15 through bolts, so that the two outer shields 5 can be fixedly installed on the outer side of the base 1, then, the transverse fixing plates 13 on the lower ends of the longitudinal fixing plates 6 can be fixed on the inner bottom of the electrical cabinet through bolts, and the distance between the outer shields 5 and the electrical cabinet can be ensured by means of the longitudinal fixing plates 6, so as to facilitate heat dissipation treatment, then, after the two outer shields 5 are installed in the electrical cabinet, after the device running in the base 1 generates heat, the heat is transferred to the cooling liquid in the liquid storage cavity 9 through the base 1, and the heat dissipation fins 16 are adsorbed on the cooling fins outside the plurality of C-shaped shields 5.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The current transformer capable of running in high-temperature environment is characterized in that: including base (1), base (1) upper end fixed mounting has two stick insulator (2), stick insulator (2) upper end fixed mounting has supporting seat (3), supporting seat (3) upper end fixed mounting has connecting terminal (4), base (1) lower extreme outside fixed mounting has two outer guard shields (5), two outer guard shield (5) lower extreme fixed mounting has two vertical fixed plate (6) respectively, two outer guard shield (5) outside fixed mounting has a plurality of C shape fin (7) respectively.
2. The high temperature environment operating current transformer of claim 1, wherein: a plurality of limit grooves (8) are formed in the outer side of the base (1), and the limit grooves (8) are formed by stamping and recessing the main body of the base (1).
3. The high temperature environment operating current transformer of claim 2, wherein: the inner side of the outer shield (5) is provided with a plurality of limit flanges (10), and the limit flanges (10) are fixedly arranged on the inner side of the outer shield (5) in a welding mode.
4. A high temperature environment operating current transformer according to claim 3, wherein: a liquid storage cavity (9) is further formed in the outer shield (5), a cooling medium which can be glycol type cooling liquid is stored in the liquid storage cavity (9), a plurality of heat conducting rods (11) are arranged on one side of the C-shaped heat radiating fins (7) relative to the outer shield (5), one end of each heat conducting rod (11) is fixedly arranged on one side of each C-shaped heat radiating fin (7) in a welding mode, the heat conducting rod (11) other end is installed in the liquid storage cavity (9) in a penetrating mode, the contact position of the heat conducting rod (11) and the outer shield (5) is sealed in a welding mode, one end of the heat conducting rod (11) located in the liquid storage cavity (9) is provided with a heat absorbing block (12), and the heat absorbing block (12) is fixedly installed at the other end of the heat conducting rod (11) in a welding mode.
5. The high temperature environment operation resistant current transformer of claim 4, wherein: two vertical fixed plate (6) upper end is respectively through welded mode fixed mounting at outer guard shield (5) lower extreme, vertical fixed plate (6) lower extreme is equipped with horizontal fixed plate (13), horizontal fixed plate (13) are through welded mode fixed mounting at vertical fixed plate (6) lower extreme, set up installation logical groove (14) in horizontal fixed plate (13), be equipped with curb plate (15) between vertical fixed plate (6) and horizontal fixed plate (13), curb plate (15) one side and lower extreme position are respectively through welded mode fixed mounting in vertical fixed plate (6) one side and horizontal fixed plate (13) upper end one side.
6. The high temperature environment operation resistant current transformer of claim 5, wherein: a plurality of straight radiating fins (16) are arranged between the two longitudinal fixing plates (6), two ends of each straight radiating fin (16) are fixedly arranged on one side of the corresponding longitudinal fixing plate (6) in a welding mode respectively, a radiating channel is formed between the two straight radiating fins (16), the two outer shields (5) are respectively installed on one side of the base (1) in a penetrating mode, the limiting flange (10) is installed in a limiting groove (8) on one side of the base (1) in a penetrating mode, and the two side plates (15) are fixedly connected through bolts.
CN202320646971.8U 2023-03-29 2023-03-29 Current transformer running in high-temperature environment Active CN219778689U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320646971.8U CN219778689U (en) 2023-03-29 2023-03-29 Current transformer running in high-temperature environment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320646971.8U CN219778689U (en) 2023-03-29 2023-03-29 Current transformer running in high-temperature environment

Publications (1)

Publication Number Publication Date
CN219778689U true CN219778689U (en) 2023-09-29

Family

ID=88130196

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320646971.8U Active CN219778689U (en) 2023-03-29 2023-03-29 Current transformer running in high-temperature environment

Country Status (1)

Country Link
CN (1) CN219778689U (en)

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