CN210015744U

CN210015744U - High-voltage wire direct-current sleeve

Info

Publication number: CN210015744U
Application number: CN201920621828.7U
Authority: CN
Inventors: 李克敏
Original assignee: Du Haoyu
Current assignee: Du Haoyu
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-02-04
Anticipated expiration: 2029-05-05

Abstract

The utility model discloses a high-voltage wire direct current sleeve, including porcelain spare body, a plurality of bulge loops of outside fixedly connected with of porcelain spare body, and the surface of porcelain spare body opens between two adjacent bulge loops and have the triangle ring groove, the fixed flange that has cup jointed in outside right side of porcelain spare body, flange's the fixed connection of left end upper portion installation instruction piece, the fixed grafting in inner chamber middle part of porcelain spare body has the conductor, the outside fixedly connected with electric capacity core of conductor, the outside of electric capacity core is the oil storage chamber, the inside packing in oil storage chamber has the imbibition cotton, it has the cooling tube to run through the grafting about the middle part in oil storage chamber, the equal fixedly connected with in both ends keeps off the ring about porcelain spare body. The high-voltage wire direct-current sleeve can improve the electric field distribution on the surface of the high-voltage wire direct-current sleeve through the semiconductor glaze layer and the RTV silicon rubber layer structure; through the structure of cooling tube, can effectually cool off the inside oil of oil storage chamber.

Description

High-voltage wire direct-current sleeve

Technical Field

The utility model relates to an electric power tech field specifically is a high-voltage conductor direct current sleeve pipe.

Background

The bushing is an electrical device widely used in power systems, which enables a high-voltage lead to safely pass through a grounding body or a fuel tank cap of the electrical device to be connected with other electrical devices, and has an insulating function and a mechanical function as well as a supporting function for the lead. The oiled paper condenser type bushing has the advantages of high insulation coefficient, large specific capacitance, reasonable structure, small volume and the like, and is generally used in voltage classes of 66kV and above. In the long-term operation process, the sleeve can be under the effect of long-term maximum working voltage, various accidents can occur due to the gradual deterioration and the damp of an insulating medium, and the like, and the heat dissipation efficiency of a common direct-current sleeve is poor, so that the high-voltage lead direct-current sleeve is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-voltage wire direct current sleeve pipe to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-voltage wire direct current sleeve, includes the porcelain spare body, a plurality of bulge loops of outside fixedly connected with of porcelain spare body, and the surface of porcelain spare body is opened between two adjacent bulge loops and is had triangle ring groove, the fixed flange that has cup jointed in outside right side of porcelain spare body, flange's the upper portion fixedly connected with installation instruction piece in left end, the fixed grafting in inner chamber middle part of porcelain spare body has the conductor, the outside fixedly connected with electric capacity core of conductor, the outside of electric capacity core is the oil storage chamber, the inside packing in oil storage chamber has the imbibition cotton, it has the cooling tube to run through the grafting about the middle part in oil storage chamber, the equal fixedly connected with in both ends fender ring about the porcelain spare body, the equal spraying of lateral wall of porcelain spare body and bulge loop has the semiconductor glaze layer, the surface spraying on semiconductor glaze layer has RTV silastic-rubber layer.

Preferably, the cooling pipe is provided with a plurality of, the cooling pipe is inserted in the oil storage cavity in an annular array manner, both ends of the cooling pipe are communicated with the outside, and both ends of the cooling pipe have downward radians.

Preferably, the outer side section of the convex ring is an isosceles triangle.

Preferably, the lower ends of the baffle rings are provided with through holes.

Preferably, the left side and the right side of the conductor are both provided with wire connecting holes.

Compared with the prior art, the beneficial effects of the utility model are that: according to the high-voltage wire direct-current sleeve, through the structure of the semiconductor glaze layer and the RTV silicon rubber layer, the RTV silicon rubber layer can improve the uneven moisture phenomenon of the surface of the porcelain body and enables the surface voltage distribution to tend to be even; the semiconductor glaze layer can reduce the resistance difference between the surface of the porcelain sleeve and the dirty layer, so that the electric field distribution on the surface of the porcelain sleeve is improved; through the structure that is equipped with the cooling tube, can effectually cool off the inside oil of oil storage chamber, improved the cooling effect of porcelain spare body.

Drawings

Fig. 1 is a sectional view of the present invention;

fig. 2 is a sectional view of the porcelain body of the present invention.

In the figure: 1 porcelain spare body, 2 bulge loops, 3 triangle ring grooves, 4 flange connections, 5 installation instruction blocks, 6 electric capacity cores, 7 imbibition cotton, 8 oil storage chambers, 9 cooling pipes, 10 fender rings, 11 conductors, 12 semiconductor glaze layers, 13RTV silicon rubber layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-2, the present invention provides a technical solution: the utility model provides a high-voltage wire direct current sleeve, includes porcelain body 1, a plurality of bulge loops 2 of outside fixedly connected with of porcelain body 1, and the surface of porcelain body 1 opens between two adjacent bulge loops 2 has triangle ring groove 3, and bulge loop 2 can make porcelain body 1 install at the inside stability more of wall body, and can play waterproof effect, the outside cross-section of bulge loop 2 is isosceles triangle. The direct current wall bushing is characterized in that a connecting flange 4 is fixedly sleeved on the right side of the outside of the porcelain part body 1, the connecting flange 4 facilitates connection of a direct current bushing and external equipment, an installation indicating block 5 is fixedly connected to the upper portion of the left end of the connecting flange 4, the installation indicating block 5 is arrow-shaped, the arrow of the installation indicating block 5 is upward when the direct current bushing is installed, a conductor 11 is fixedly inserted in the middle of an inner cavity of the porcelain part body 1, the conductor 11 is a connecting structure of a wire, wire connecting holes are formed in the left side and the right side of the conductor 11, a capacitor core 6 is fixedly connected to the outer side of the conductor 11, the capacitor core 6 is a capacitor core 6 in design, development and analysis of the direct current wall bushing disclosed by global electrical resources, an oil storage cavity 8 is formed in the outer side of the capacitor core 6, engine oil is injected into the oil storage cavity 8, liquid absorption cotton 7 is filled in the oil storage cavity 8, run through about the middle part of oil storage chamber 8 and peg graft and have cooling tube 9, the middle part of cooling tube 9 is the relatively softer plastic tubing of material, has certain elasticity, cooling tube 9 is equipped with a plurality of, cooling tube 9 is the annular array and pegs graft in the inside of oil storage chamber 8, both ends all are linked together with the external world about cooling tube 9, both ends all have decurrent radian about cooling tube 9, and decurrent radian can avoid moisture to enter into the inside of cooling tube 9. The equal fixedly connected with in both ends keeps off ring 10 about porcelain spare body 1, keeps off ring 10 and can block moisture entering cooling tube 9, the lower extreme that keeps off ring 10 all opens there is the through-hole. The outer side walls of the porcelain body 1 and the convex ring 2 are both sprayed with semiconductor glaze layers 12, the semiconductor glaze layers 12 can reduce the difference in resistance between the surface of the porcelain sleeve and a dirty layer, and further improve the electric field distribution on the surface of the porcelain sleeve, the surface of the semiconductor glaze layers 12 is sprayed with RTV silicon rubber layers 13, and the RTV silicon rubber layers 13 are hydrophobic coatings so as to improve the uneven wetting phenomenon on the surface of the porcelain body and enable the surface voltage distribution of the porcelain body to tend to be even.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-voltage wire direct current sleeve pipe, includes porcelain spare body (1), its characterized in that: the porcelain piece comprises a porcelain piece body (1), wherein a plurality of convex rings (2) are fixedly connected to the outer side of the porcelain piece body (1), a triangular circular groove (3) is formed between every two adjacent convex rings (2) on the outer surface of the porcelain piece body (1), a connecting flange (4) is fixedly sleeved on the outer right side of the porcelain piece body (1), an installation indication block (5) is fixedly connected to the upper portion of the left end of the connecting flange (4), a conductor (11) is fixedly inserted in the middle of an inner cavity of the porcelain piece body (1), a capacitor core (6) is fixedly connected to the outer side of the conductor (11), an oil storage cavity (8) is formed in the outer side of the capacitor core (6), liquid absorbing cotton (7) is filled in the oil storage cavity (8), a cooling pipe (9) is inserted in the left and right directions of the middle of the oil storage cavity (8), retaining rings (10) are fixedly connected to the left and right ends of the porcelain piece body (1), and semiconductor glaze layers (12) are respectively sprayed on the outer, and an RTV silicon rubber layer (13) is sprayed on the surface of the semiconductor glaze layer (12).

2. The high voltage wire dc bushing of claim 1, wherein: the cooling pipe (9) is provided with a plurality of, the cooling pipe (9) are inserted in the oil storage cavity (8) in an annular array mode, the left end and the right end of the cooling pipe (9) are communicated with the outside, and downward radians are arranged at the left end and the right end of the cooling pipe (9).

3. The high voltage wire dc bushing of claim 1, wherein: the outer side section of the convex ring (2) is in an isosceles triangle shape.

4. The high voltage wire dc bushing of claim 1, wherein: the lower ends of the baffle rings (10) are all provided with through holes.

5. The high voltage wire dc bushing of claim 1, wherein: the left side and the right side of the conductor (11) are both provided with wire connecting holes.