Transformer conducting rod with heat dissipation function

By designing a honeycomb heat-dissipating ceramic sleeve and a detachable ceramic assembly structure on the transformer's conductive rod, the problem of heat dissipation difficulties in the conductive rod is solved, achieving rapid heat dissipation and convenient maintenance, and improving conductivity and sealing performance.

CN223526969UActive Publication Date: 2025-11-07ANGNORE (JIANGSU) HIGH VOLTAGE ELECTRIC CO LTD
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Patent Information

Application Number
CN202422621422.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-11-07
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

The lack of air circulation inside the pure ceramic sleeve makes it difficult for the heat generated by the conductive rod to dissipate in time when energized, leading to accelerated aging of the seal and a decrease in conductivity.

Method used

A transformer conductive rod comprising multiple heat dissipation ceramic components was designed. Utilizing the structure of a honeycomb heat dissipation ceramic sleeve and inner and outer ceramic components, it rapidly dissipates heat through air circulation, and its detachable design facilitates maintenance and processing.

Benefits of technology

It effectively accelerates heat dissipation of the conductive rod, avoids aging of the seals, improves conductivity, and reduces the maintenance and processing difficulty of the heat dissipation ceramic kit.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of transformer conducting rods, and particularly relates to a transformer conducting rod with a heat dissipation function, which comprises a conducting rod, a first nut is arranged on the top of the conducting rod in a threaded manner, a gasket is arranged on the lower side of the first nut, and an upper porcelain sleeve is sleeved on the conducting rod on the lower side of the gasket. The conducting rod is sleeved with a plurality of heat dissipation porcelain sleeve pieces on the lower side of the upper porcelain sleeve, and the heat dissipation porcelain sleeve pieces are connected end to end in a pressing mode. The inner porcelain sleeve outwards guides heat generated by the conducting rod, the heat is rapidly radiated and diffused through honeycomb holes of the honeycomb heat dissipation porcelain sleeve, air can continuously enter an isolation cavity through an opening in the lower side of the outer side porcelain sleeve piece, the top of the transformer is high, generally, wind is large, the airflow circulation speed is high, and after the airflow makes contact with the honeycomb heat dissipation porcelain sleeve, the heat is dissipated rapidly. Radiated heat can be rapidly taken away, so that heat dissipation of the conducting rod is accelerated, and aging acceleration of the sealing element and reduction of the conductivity of the conducting rod caused by high temperature are avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to transformer conducting rod technical field, concretely relates to a transformer conducting rod with heat dissipation function. BACKGROUND

[0002] Transformer conducting rod is used for transformer coil lead-out wire and outer line connection, installs in transformer top, generally by copper conducting rod and porcelain sleeve pipe matched use, porcelain sleeve pipe is used for the outside of conducting rod for insulation and protection, the inside of pure porcelain sleeve pipe is generally hollow, passes through air and serves as insulating medium between conducting rod, but because the inside air of pure porcelain sleeve pipe does not circulate, conducting rod will produce more heat accumulation in pure porcelain sleeve pipe when electrifying inconvenient timely dissipation, on the one hand will accelerate the aging of sealing element, on the other hand high temperature will lead to the conductivity of conducting rod decline. SUMMARY

[0003] In view of above problem, the utility model's purpose lies at: provide a kind of transformer conducting rod with heat dissipation function, solve because the inside air of pure porcelain sleeve pipe does not circulate, conducting rod will produce more heat accumulation in pure porcelain sleeve pipe when electrifying inconvenient timely dissipation, on the one hand will accelerate the aging of sealing element, on the other hand high temperature will lead to the conductivity of conducting rod decline Problem.

[0004] To realize above purpose, the utility model adopts technical scheme: a kind of transformer conducting rod with heat dissipation function, including conducting rod, the top of the conducting rod is provided with nut one by screw thread, the lower side of the nut one is provided with gasket, the lower side of the conducting rod is provided with upper porcelain sleeve pipe by sleeve connection, the lower side of the conducting rod is provided with heat dissipation porcelain sleeve piece by sleeve connection in upper porcelain sleeve pipe, the quantity of the heat dissipation porcelain sleeve piece is multiple, the heat dissipation porcelain sleeve piece is pressure bonded between head and tail, the lower side of the conducting rod is provided with lower porcelain sleeve pipe by sleeve connection in heat dissipation porcelain sleeve piece, the lower side of the conducting rod is provided with support sheet by sleeve connection in lower porcelain sleeve pipe, the lower side of the conducting rod is provided with nut two by screw thread in support sheet, the heat dissipation porcelain sleeve piece includes outside porcelain sleeve piece, isolation cavity, plug-in hole, inner porcelain sleeve, porcelain butt joint sleeve ring, honeycomb heat dissipation porcelain sleeve, net isolation porcelain ring and porcelain support ring, the lower side of the outside porcelain sleeve piece is provided with isolation cavity by being opened in the inside, the lower side of the outside porcelain sleeve piece is open, the upper side of the outside porcelain sleeve piece is provided with plug-in hole by being opened in the center, the outside porcelain sleeve piece is sleeve connected with conducting rod by plug-in hole, the inside of the isolation cavity is provided with inner porcelain sleeve by being located to the lower side of plug-in hole, the inner porcelain sleeve is sleeve connected on the outside of conducting rod, the outside of the inner porcelain sleeve is provided with honeycomb heat dissipation porcelain sleeve, the inside and outside of the honeycomb heat dissipation porcelain sleeve are provided with the honeycomb hole of mutual penetration, the lower side of the inner porcelain sleeve is provided with porcelain butt joint sleeve ring by being located to the outside, the outside edge of the porcelain butt joint sleeve ring and the bottom edge of the outside porcelain sleeve piece have gap.

[0005] The utility model discloses a beneficial effect is: the heat that the inner porcelain sleeve to the outside conduction rod produces is led to the outside, and the honeycomb hole of honeycomb heat dissipation porcelain sleeve is radiated and diffuses fast, the downside opening of outside porcelain sleeve spare will continue to enter the air into the isolation chamber, and the transformer top is higher, and the general wind is bigger, and the airflow circulation speed is faster, and the airflow contacts honeycomb heat dissipation porcelain sleeve after, can take away the heat that radiates out fast, thereby accelerates the heat dissipation of conduction rod, avoids high temperature and leads to the ageing acceleration of sealing element and reduces the conductivity of conduction rod.

[0006] In order to be used for maintaining and replacing separate accessories and reducing the overall machining and production difficulty of the heat dissipation porcelain sleeve,

[0007] As a further improvement of the above technical solution: the outside porcelain sleeve, the inner porcelain sleeve, the porcelain butt joint sleeve ring and the honeycomb heat dissipation porcelain sleeve are detachable independent structural parts, a circular groove is formed in the inner side of the outside porcelain sleeve below the plug-in hole, the upper end of the inner porcelain sleeve is plugged into the outside porcelain sleeve through the circular groove, the honeycomb heat dissipation porcelain sleeve is sleeved on the outer side of the inner porcelain sleeve, the porcelain butt joint sleeve ring is sleeved on the lower side of the outer side of the inner porcelain sleeve, the bottom of the porcelain butt joint sleeve ring and the inner porcelain sleeve are flush, and the upper side diameter of the outside porcelain sleeve is equal to that of the porcelain butt joint sleeve ring.

[0008] The improved beneficial effect is that the outside porcelain sleeve, the inner porcelain sleeve, the porcelain butt joint sleeve ring and the honeycomb heat dissipation porcelain sleeve of the heat dissipation porcelain sleeve can be separately detached, used for maintaining and replacing separate accessories and reducing the overall machining and production difficulty of the heat dissipation porcelain sleeve.

[0009] In order to block flying insects and the like from entering the inside of the isolation chamber,

[0010] As a further improvement of the above technical solution: the outside upper side of the porcelain butt joint sleeve ring is sleeved with a mesh isolation porcelain ring, the porcelain butt joint sleeve ring is fixedly provided with a porcelain supporting ring below the mesh isolation porcelain ring, and the upper side of the mesh isolation porcelain ring is crimped with the lower side edge of the outside porcelain sleeve.

[0011] The improved beneficial effect is that the mesh isolation porcelain ring is arranged to block flying insects and the like from entering the inside of the isolation chamber.

[0012] In order to prevent the nut from loosening,

[0013] As a further improvement of the above technical solution: the number of the nut is two, and the two nuts are crimped with each other.

[0014] The improved beneficial effect is that two nuts are arranged, the stability of the threaded connection between the nut and the conduction rod is improved, and the nut is prevented from loosening.

[0015] In order to prevent the lower porcelain sleeve from loosening,

[0016] As a further improvement of the above technical solution: the upper side of the support sheet is symmetrically provided with a clamping rod, and the clamping rod is inserted with the lower side of the lower porcelain sleeve.

[0017] The improvement has the beneficial effect that the clamping rod can increase the stability of the connection between the lower porcelain sleeve and the support sheet, so that the lower porcelain sleeve is not easy to be loosened.

[0018] In order to increase the sealing of the connection between the upper porcelain sleeve, the heat dissipation porcelain sleeve and the lower porcelain sleeve;

[0019] As a further improvement of the above technical solution: the conductive rod is provided with a sealing gasket between the heat dissipation porcelain sleeves, and the outer porcelain sleeve and the porcelain butt joint sleeve ring of the adjacent heat dissipation porcelain sleeves are pressed against the sealing gasket.

[0020] The improvement has the beneficial effect that the sealing gasket is used to increase the sealing of the connection between the upper porcelain sleeve, the heat dissipation porcelain sleeve and the lower porcelain sleeve.

[0021] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 Structure diagram of the utility model Figure One ;

[0023] Figure 2 Structure diagram of the utility model Figure Two ;

[0024] Figure 3 Structure explosion diagram of the utility model;

[0025] Figure 4 Structure cross-sectional view of the heat dissipation porcelain sleeve in the utility model;

[0026] In the figure: 1, conductive rod; 2, nut one; 3, gasket; 4, upper porcelain sleeve; 5, heat dissipation porcelain sleeve; 501, outer porcelain sleeve; 502, isolation chamber; 503, insertion hole; 504, inner porcelain sleeve; 505, porcelain butt joint sleeve ring; 506, honeycomb heat dissipation porcelain sleeve; 507, mesh isolation porcelain ring; 508, porcelain support ring; 6, sealing gasket; 7, lower porcelain sleeve; 8, support sheet; 9, nut two; 10, clamping rod. DETAILED DESCRIPTION

[0027] In order to make the skilled in the art better understand the technical solutions of the present application, the present application will be described in detail below in conjunction with the drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present application.

[0028] As Figure 1A transformer conducting rod with heat dissipation function, as shown in figure 4, comprising a conducting rod 1, the top of the conducting rod 1 is provided with a nut 2, the lower side of the nut 2 is provided with a gasket 3, the conducting rod 1 is provided with an upper porcelain sleeve 4 at the lower side of the gasket 3, the conducting rod 1 is provided with a heat dissipation porcelain sleeve 5 at the lower side of the upper porcelain sleeve 4, the number of the heat dissipation porcelain sleeve 5 is multiple, the heat dissipation porcelain sleeve 5 is pressure jointed at the head and tail, the conducting rod 1 is provided with a lower porcelain sleeve 7 at the lower side of the heat dissipation porcelain sleeve 5, the conducting rod 1 is provided with a support sheet 8 at the lower side of the lower porcelain sleeve 7, the conducting rod 1 is provided with a nut 9 at the lower side of the support sheet 8, the heat dissipation porcelain sleeve 5 comprises an outside porcelain sleeve 501, an isolation cavity 502, an insertion hole 503, an inner porcelain sleeve 504, a porcelain butt joint sleeve ring 505, a honeycomb heat dissipation porcelain sleeve 506, a mesh isolation porcelain ring 507 and a porcelain supporting ring 508, the lower side of the outside porcelain sleeve 501 is provided with the isolation cavity 502, the lower side of the outside porcelain sleeve 501 is an opening, the upper side of the outside porcelain sleeve 501 is provided with the insertion hole 503, the outside porcelain sleeve 501 is jointed with the conducting rod 1 through the insertion hole 503, the inner side of the isolation cavity 502 is provided with the inner porcelain sleeve 504 opposite to the lower side of the insertion hole 503, the inner porcelain sleeve 504 is jointed with the outside of the conducting rod 1, the outer side of the inner porcelain sleeve 504 is provided with the honeycomb heat dissipation porcelain sleeve 506, the inner and outer sides of the honeycomb heat dissipation porcelain sleeve 506 are provided with the honeycomb holes penetrating each other, the lower side of the inner porcelain sleeve 504 is provided with the porcelain butt joint sleeve ring 505, the outer side edge of the porcelain butt joint sleeve ring 505 and the bottom edge of the outside porcelain sleeve 501 have a gap, the inner porcelain sleeve 504 guides the heat generated by the conducting rod 1 outward, and the heat is quickly radiated and diffused through the honeycomb holes of the honeycomb heat dissipation porcelain sleeve 506, the lower side opening of the outside porcelain sleeve 501 continuously enters the air into the isolation cavity 502, the top of the transformer is high, the wind is generally large, and the airflow circulation speed is fast, after the airflow contacts the honeycomb heat dissipation porcelain sleeve 506, the heat radiated out can be quickly taken away, thereby accelerating the heat dissipation of the conducting rod 1, avoiding the aging acceleration of the sealing element caused by high temperature and reducing the conductivity of the conducting rod 1, the outside porcelain sleeve 501, the inner porcelain sleeve 504, the porcelain butt joint sleeve ring 505 and the honeycomb heat dissipation porcelain sleeve 506 are detachable independent structural members, the inner side of the outside porcelain sleeve 501 is provided with a circular groove at the lower side of the insertion hole 503, the upper end of the inner porcelain sleeve 504 is inserted with the outside porcelain sleeve 501 through the circular groove, the honeycomb heat dissipation porcelain sleeve 506 is jointed with the outside of the inner porcelain sleeve 504, the porcelain butt joint sleeve ring 505 is jointed with the lower side of the outside of the inner porcelain sleeve 504, the bottom of the porcelain butt joint sleeve ring 505 and the inner porcelain sleeve 504 are flush, the upper side diameter of the outside porcelain sleeve 501 is equal to that of the porcelain butt joint sleeve ring 505, the outside porcelain sleeve 501, the inner porcelain sleeve 504, the porcelain butt joint sleeve ring 505 and the honeycomb heat dissipation porcelain sleeve 506 of the heat dissipation porcelain sleeve 5 can be separately detached,The maintenance replacement of the single accessory and the overall machining production difficulty of the heat dissipation porcelain sleeve set 5 are reduced, the mesh isolation porcelain ring 507 is arranged on the outer side of the porcelain butt joint sleeve ring 505, the porcelain butt joint sleeve ring 505 is fixedly provided with a porcelain supporting ring 508 on the lower side of the mesh isolation porcelain ring 507, the upper side of the mesh isolation porcelain ring 507 is press-connected with the lower side edge of the outer side porcelain sleeve set 501, the mesh isolation porcelain ring 507 is arranged for blocking the entry of flying insects and the like into the isolation cavity 502, the number of the nut one 2 is two, the two nut ones 2 are press-connected with each other, the two nut ones 2 are arranged, the stability of the threaded connection between the nut one 2 and the conductive rod 1 is increased, the nut one 2 is not prone to loosening, the clamping rod 10 is symmetrically arranged on the upper side of the supporting sheet 8, the clamping rod 10 is inserted with the lower side of the lower porcelain sleeve pipe 7, the clamping rod 10 is arranged, the stability of the connection between the lower porcelain sleeve pipe 7 and the supporting sheet 8 is increased, the lower porcelain sleeve pipe 7 is not prone to lateral rotation and loosening, the conductive rod 1 is provided with the sealing washer 6, the outer side porcelain sleeve set 501 and the porcelain butt joint sleeve ring 505 of adjacent heat dissipation porcelain sleeve sets 5 are press-connected with the sealing washer 6, the sealing washer 6 is arranged, and the sealing property of the connection between the upper porcelain sleeve pipe 4, the heat dissipation porcelain sleeve set 5 and the lower porcelain sleeve pipe 7 is increased.

[0029] The working principle and use process of the utility model are as follows:

[0030] In use, the upper porcelain sleeve 4 serves as a top protection for the insulated protection of the outgoing wire, avoiding discharge between the conductive rod 1 and the wire, the lower porcelain sleeve 7 serves as a bottom protection for the insulated protection of the flange base for fixing the conductive rod 1, the heat dissipation porcelain sleeve 5 serves as a middle insulation structure, the outer porcelain sleeve 501 is isolated on the outermost side to avoid discharge between the outer side of the conductive rod 1 and the top outgoing wire, the isolation cavity 502 inside the outer porcelain sleeve 501 is filled with air as an intermediate medium insulation, the inner porcelain sleeve 504 is attached to the outer side of the conductive rod 1 on the innermost side for the isolation protection of the surface of the conductive rod 1, avoiding the surface of the conductive rod 1 from being eroded by air, at the same time, the inner porcelain sleeve 504 conducts the heat generated by the conductive rod 1 outward and radiates and diffuses quickly through the honeycomb holes of the honeycomb heat dissipation porcelain sleeve 506, the lower side opening of the outer porcelain sleeve 501 continuously enters air into the isolation cavity 502, the transformer is high on the top, generally with strong wind and fast airflow circulation speed, after the airflow contacts the honeycomb heat dissipation porcelain sleeve 506, it can quickly take away the radiated heat, thereby accelerating the heat dissipation of the conductive rod 1, avoiding the aging acceleration of the sealing element caused by high temperature and reducing the conductivity of the conductive rod 1. In addition, in use, the outer porcelain sleeve 501, the inner porcelain sleeve 504, the porcelain butt joint sleeve ring 505 and the honeycomb heat dissipation porcelain sleeve 506 of the heat dissipation porcelain sleeve 5 can be separately split for maintenance and replacement of individual components and to reduce the overall processing and production difficulty of the heat dissipation porcelain sleeve 5. In addition, in use, the outer side and upper side of the porcelain butt joint sleeve ring 505 are provided with a mesh isolation porcelain ring 507 and a porcelain support ring 508, respectively, the upper side of the mesh isolation porcelain ring 507 is pressure-welded to the lower side edge of the outer porcelain sleeve 501, the mesh isolation porcelain ring 507 is provided to block flying insects from entering the isolation cavity 502. In addition, two nuts 2 are provided to increase the stability of the threaded connection between the nuts 2 and the conductive rod 1, so that the nuts 2 are not easy to loosen. In addition, the upper side of the support sheet 8 is symmetrically provided with a clamping rod 10, the clamping rod 10 is inserted into the lower side of the lower porcelain sleeve 7, the clamping rod 10 is provided to increase the stability of the connection between the lower porcelain sleeve 7 and the support sheet 8, so that the lower porcelain sleeve 7 is not easy to turn and loosen. In addition, in use, a sealing gasket 6 is provided to increase the sealing property of the connection between the upper porcelain sleeve 4, the heat dissipation porcelain sleeve 5 and the lower porcelain sleeve 7.

[0031] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that includes a list of elements not only includes those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] The principles and implementation manners of the present application are described by using specific examples in the present application, and the above examples are only used to help understand the method of the present application and its core idea. The above description is only the preferred implementation manner of the present application, and it should be pointed out that, due to the limited expression of the text, there are objectively infinite specific structures, and for ordinary skilled persons in the technical field, some improvements, refinements or changes can be made without departing from the principles of the present application, and the above technical features can also be combined in an appropriate manner; the improvements, refinements, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present application.

Claims

1. A transformer conducting rod with heat dissipation function, characterized in that: The utility model provides a conductive rod (1), the top of conductive rod (1) is provided with nut one (2) with thread, the downside of nut one (2) is provided with gasket (3), the downside of gasket (3) is provided with upper porcelain sleeve (4) with sleeve joint of conductive rod (1), the downside of upper porcelain sleeve (4) is provided with heat dissipation porcelain sleeve (5) with sleeve joint of conductive rod (1), the quantity of heat dissipation porcelain sleeve (5) is multiple, the head of heat dissipation porcelain sleeve (5) is pressure bonded, the downside of heat dissipation porcelain sleeve (5) is provided with lower porcelain sleeve (7) with sleeve joint of conductive rod (1), the downside of lower porcelain sleeve (7) is provided with support sheet (8) with sleeve joint of conductive rod (1), the downside of support sheet (8) is provided with nut two (9) with thread connection of conductive rod (1), heat dissipation porcelain sleeve (5) includes outside porcelain sleeve (501), isolation chamber (502), plug-in hole (503), inner porcelain sleeve (504), porcelain butt joint sleeve ring (505), honeycomb heat dissipation porcelain sleeve (506), net isolation porcelain ring (507) and porcelain support ring (508), the downside of outside porcelain sleeve (501) is provided with isolation chamber (502) with inside opening, the downside of outside porcelain sleeve (501) is open, the upside of outside porcelain sleeve (501) is provided with plug-in hole (503) with center opening, outside porcelain sleeve (501) is sleeve jointed with conductive rod (1) through plug-in hole (503), the downside of isolation chamber (502) is provided with inner porcelain sleeve (504) with inside opening opposite plug-in hole (503), inner porcelain sleeve (504) is sleeve jointed on the outside of conductive rod (1), the outside of inner porcelain sleeve (504) is provided with honeycomb heat dissipation porcelain sleeve (506), the inside and outside of honeycomb heat dissipation porcelain sleeve (506) are provided with the honeycomb hole of mutual penetration, the downside of inner porcelain sleeve (504) is provided with porcelain butt joint sleeve ring (505) with outside, the outside edge of porcelain butt joint sleeve ring (505) and the bottom edge of outside porcelain sleeve (501) have the gap.

2. The transformer conducting rod with heat dissipation function according to claim 1, characterized in that: Outside porcelain sleeve (501), inner porcelain sleeve (504), porcelain butt joint sleeve ring (505) and honeycomb heat dissipation porcelain sleeve (506) are detachable independent structural members, the downside of inside of outside porcelain sleeve (501) is provided with round groove opposite plug-in hole (503), the upper end of inner porcelain sleeve (504) is inserted with outside porcelain sleeve (501) through round groove, honeycomb heat dissipation porcelain sleeve (506) is sleeve jointed on the outside of inner porcelain sleeve (504), porcelain butt joint sleeve ring (505) is sleeve jointed on the downside of the outside of inner porcelain sleeve (504), the bottom of porcelain butt joint sleeve ring (505) and inner porcelain sleeve (504) are flush, the upside surface diameter of outside porcelain sleeve (501) is equal to porcelain butt joint sleeve ring (505).

3. The electrically conductive rod of claim 1, wherein: The upside of the outside of porcelain butt joint sleeve ring (505) is provided with net isolation porcelain ring (507) with sleeve joint, the downside of porcelain butt joint sleeve ring (505) is fixedly provided with porcelain support ring (508) with net isolation porcelain ring (507), the upside of net isolation porcelain ring (507) is pressure bonded with the downside edge of outside porcelain sleeve (501).

4. The electrically conductive rod of claim 1, wherein: The number of the nut one (2) is two, and the nut one (2) is pressed between each other.

5. The electrically conductive rod of claim 1, wherein: The upper side of the support sheet (8) is symmetrically provided with a clamping rod (10), and the clamping rod (10) is inserted with the lower side of the lower porcelain sleeve (7).

6. The electrically conductive rod of claim 1, wherein: The conductive rod (1) is provided with a sealing washer (6) between the heat dissipation porcelain sleeve (5), and the outer porcelain sleeve (501) and the porcelain butt sleeve ring (505) of adjacent heat dissipation porcelain sleeve (5) are pressed tightly with the sealing washer (6).