CN204117670U - A kind of shielding insulation aluminium row and electrical power trans mission/distribution system - Google Patents
A kind of shielding insulation aluminium row and electrical power trans mission/distribution system Download PDFInfo
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- CN204117670U CN204117670U CN201420447635.1U CN201420447635U CN204117670U CN 204117670 U CN204117670 U CN 204117670U CN 201420447635 U CN201420447635 U CN 201420447635U CN 204117670 U CN204117670 U CN 204117670U
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Abstract
This application discloses a kind of shielding insulation aluminium row and electrical power trans mission/distribution system, the screen that the package of shielding insulation aluminium draws together conductor, be wrapped in described conductor outer wall and the insulating barrier be set in outside described screen, described screen is the screen of semi-conductive silicone rubber material, described insulating barrier is the insulating barrier of electrically insulating silicone rubber material, and described screen and described insulating barrier are by the outer wall of double-layer coextrusion extruder coextrusion mold to described conductor.As can be seen from technique scheme, the shielding insulation aluminium that the utility model provides arranges the insulating barrier parcel conductor of screen and the electrically insulating silicone rubber making utilizing semi-conductive silicone rubber to make, screen and insulating barrier are silicon rubber, screen can ensure that the electric fields uniform between conductor outer wall and screen distributes, electrically insulating silicone rubber can play good insulating effect, effectively prevent the generation that aluminium arranges in use phase fault situation, improve the security performance that aluminium row uses.
Description
Technical field
The utility model relates to power transmission and distribution electric installation insulating protection technical field, particularly a kind of shielding insulation aluminium row and electrical power trans mission/distribution system.
Background technology
The insulation property of aluminium row are important steps of power distribution system technology.What domestic a lot of producer adopted at present is be set in conductive material surface with heat-shrinkable T bush to carry out pyrocondensation insulation, or artificial method such as wrapping insulating material or casting insulated insulation resin etc. carries out insulation processing, but the dielectric strength being through the aluminium row of above-mentioned insulation processing can not meet the demands, especially in high pressure electrical power trans mission/distribution system, easily there is the problems such as phase fault, affect the normal operation of equipment and there is larger potential safety hazard.
Therefore, how to improve the insulation property of aluminium row, become the technical problem that those skilled in the art are urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of shielding insulation aluminium row and electrical power trans mission/distribution system, to improve the insulation property of aluminium row.
For achieving the above object, the utility model provides following technical scheme:
A kind of shielding insulation aluminium row, comprise conductor (1), be wrapped in the screen (2) of described conductor (1) outer wall and be set in the insulating barrier (3) outside described screen (2), described screen (2) is semi-conductive silicone rubber screen, described insulating barrier (3) is electrically insulating silicone rubber insulating barrier, and described screen (2) and described insulating barrier (3) are by the outer wall of double-layer coextrusion extruder coextrusion mold to described conductor (1).
Preferably, described screen (2) is the screen through vulcanizing treatment, and described insulating barrier (3) is the insulating barrier through vulcanizing treatment.
Preferably, described conductor (1) is aluminium row.
Preferably, described conductor (1) is the conductor through deburring process.
Preferably, the thickness of described screen (2) is 0.5mm.
Preferably, the thickness of described insulating barrier (3) is any one value in 8-10mm.
Preferably, the thickness of described insulating barrier (3) is any one value in 15-28mm.
Preferably, described screen (2) is the screen padding process through anti-ultraviolet finishing agent, and described insulating barrier (3) is the insulating barrier padding process through anti-ultraviolet finishing agent.
A kind of electrical power trans mission/distribution system, comprising: shielding insulation aluminium row described in above-mentioned any one.
As can be seen from technique scheme, the insulating barrier parcel conductor that the shielding insulation aluminium that the utility model provides arranges screen and the electrically insulating silicone rubber making utilizing semi-conductive silicone rubber to make replaces carrying out pyrocondensation insulation by being set in conductive material surface with heat-shrinkable T bush in prior art, or artificial method such as wrapping insulating material or casting insulated insulation resin etc. carries out insulating treatment method, screen and insulating barrier are silicon rubber, screen can ensure that the electric fields uniform between conductor outer wall and screen distributes, electrically insulating silicone rubber can play good insulating effect, effectively prevent the generation that aluminium arranges in use phase fault situation, improve the security performance that aluminium row uses.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 arranges the structural representation in cross-sectional cross section for shielding insulation aluminium that the utility model embodiment provides;
The structural representation in the shielding insulation aluminium row vertical profile cross section that Fig. 2 provides for the utility model embodiment;
A kind of flow sheet of the shielding insulation aluminium row that Fig. 3 provides for the utility model embodiment;
The another kind of flow sheet of the shielding insulation aluminium row that Fig. 4 provides for the utility model embodiment.
Embodiment
The utility model discloses a kind of shielding insulation aluminium row, to improve the insulation property of aluminium row.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-Fig. 4, Fig. 1 arranges the structural representation in cross-sectional cross section for shielding insulation aluminium that the utility model embodiment provides; The structural representation in the shielding insulation aluminium row vertical profile cross section that Fig. 2 provides for the utility model embodiment; A kind of flow sheet of the shielding insulation aluminium row that Fig. 3 provides for the utility model embodiment; The another kind of flow sheet of the shielding insulation aluminium row that Fig. 4 provides for the utility model embodiment.
A kind of shielding insulation aluminium row, the insulating barrier 3 comprising conductor 1, be wrapped in the screen 2 of conductor 1 outer wall and be set in outside screen 2, screen 2 is semi-conductive silicone rubber screen, insulating barrier 3 is electrically insulating silicone rubber insulating barrier, and screen 2 and insulating barrier 3 are by the outer wall of double-layer coextrusion extruder coextrusion mold to conductor 1.
In this programme, conductor 1 is aluminium row.
The screen of screen 2 to be semi-conductive silicone rubber screen and screen 2 be semi-conductive silicone rubber material, the insulating barrier of insulating barrier 3 to be electrically insulating silicone rubber insulating barrier and insulating barrier 3 be electrically insulating silicone rubber material.
The shielding insulation aluminium row that this programme provides, replace in prior art in the sheathed pyrocondensation insulation of conductive material surface with the screen 2 of semi-conductive silicone rubber material and the insulating barrier 3 of electrically insulating silicone rubber material, or artificial mode such as insulation processing such as wrapping insulating material or casting insulated insulation resin etc., screen can ensure that the electric fields uniform between conductor outer wall and screen distributes, electrically insulating silicone rubber can play good insulating effect, effectively can avoid the generation of the situation such as phase fault in high pressure electrical power trans mission/distribution system.
Screen 2 and insulating barrier 3 are by the outer wall of double-layer coextrusion extruder coextrusion mold to conductor 1, screen 2 and insulating barrier 3 are under the effect of high temperature and extrusion pressure, semi-conductive silicone rubber layer and electrically insulating silicone rubber layer are combined closely, interlayer is seamless, screen 2 effectively can also shield extraneous electromagnetic interference, reduces the supplementary load loss produced in equipment running process.Insulating barrier 3 is connected with conductor 1 by double-layer coextrusion extruder with screen 2, relatively insulate in the sheathed pyrocondensation of conductive material surface with of the prior art, or artificial mode such as insulation processing such as wrapping insulating material or casting insulated insulation resin etc., improve production efficiency and conforming product rate, and can automated production be realized, reduce hand labor intensity.
The connection of the screen 2 that this programme provides, insulating barrier 3 and conductor 1 is realized by coextrusion mold technology, coextrusion mold technology is the same material of two kinds of different materials or different colours is extruded the technology of machine-shaping by double-layer coextrusion extruder co-extrusion, and coextrusion mold technology is common technology of the prior art.
The production efficiency of the shielding insulation aluminium row that this programme provides is 20 times that make shielding insulation aluminium row manually, and cost is 1/3 of prior art.The screen 2 shaping by double-layer coextrusion extruder is identical with the thickness everywhere of insulating barrier 3, decreases the eddy current loss in equipment running process.
Screen 2 is semi-conductive silicone rubber material, and insulating barrier 3 is electrically insulating silicone rubber material, and silicon rubber is tasteless nontoxic; High temperature resistant and low temperature, still has good intensity and elasticity under the conditions of 300 DEG C and-90 DEG C; There is good electrical insulating property; The anti-ageing property of resistance to oxidation; Fast light ageing resistance; Stable chemical nature.
Semi-conductive silicone rubber is put into opening rubber mixing machine after platinum catalyst process process, electrically insulating silicone rubber is put into opening rubber mixing machine and is processed after platinum catalyst process, then above-mentioned treated semi-conductive silicone rubber and electrically insulating silicone rubber is extruded the outer wall of aluminium row by double-layer coextrusion extruder.
The thickness of screen 2 is 0.5mm.Different according to the service condition of shielding insulation aluminium row, the thickness of insulating barrier 3 is different: for the service condition of 10kv, the thickness of insulating barrier 3 is any one value in 8-10mm, and for the service condition of 35kv, the thickness of insulating barrier 3 is any one value in 15-28mm.
In order to optimize technique scheme further, in a specific embodiment of the present utility model, screen 2 is the screen through vulcanizing treatment, insulating barrier 3 is the insulating barrier through vulcanizing treatment, the screen 2 produced by double-layer coextrusion extruder and insulating barrier 3 are sent into vulcanization plant and carries out vulcanizing treatment, molecular structure in the silicon rubber of vulcanizing treatment becomes network molecular structure by linearity molecular structure, the thermal endurance of silicon rubber can be improved further, ageing resistance and stress cracking resistance, extend the useful life of shielding insulation tubulose bus further, coefficient of safety is higher.The concentration of the anti-ultraviolet finishing agent that this programme uses is any one value in 15-50g/L.
In order to ensure the installation quality that aluminium is arranged further, the outer wall of conductor 1 carries out deoxidation film and burr process, then alcohol or acetone treatment are carried out to the outer wall of conductor 1, the object of above-mentioned process makes the outer wall of conductor 1 smooth, damage can not be caused to screen 2, affect the result of use of shielding insulation aluminium row.
The production process of the shielding insulation aluminium row that this programme provides as shown in Figure 3, is specially:
Step 11: oxide-film and the burr of removing conductor 1 surface with sand paper, then carries out cleaning process (i.e. deburring processing procedure) with alcohol or acetone by the surface that the aluminium of above-mentioned process is arranged;
Step 12: the pre-heat treatment is carried out to the conductor 1 processed through step 11;
Step 13: put into opening rubber mixing machine by respectively through the semi-conductive silicone rubber of platinum catalyst process and electrically insulating silicone rubber;
Step 14: the double-layer coextrusion extruder suitable according to the size Selection of conductor 1, puts into the above-mentioned double-layer coextrusion extruder chosen by semi-conductive silicone rubber and electrically insulating silicone rubber, adjust the outer wall that screen 2 and insulating barrier 3 are extruded conductor 1 by relevant parameter;
Step 15: put into vulcanization plant carry out vulcanizing treatment by extruding successful conductor 1 in step 14.
Certainly, on the basis of above-mentioned shielding insulation aluminium row, arrange to make shielding insulation aluminium and have better preventing ultraviolet effect, screen 2 can for padding the screen of process through anti-ultraviolet finishing agent, insulating barrier 3 can for padding the insulating barrier of process through anti-ultraviolet finishing agent.Shaping screen 2 is extruded and insulating barrier 3 needs padding through anti-ultraviolet finishing agent through double-layer coextrusion extruder, anti-ultraviolet finishing agent has excellent durable absorption ultraviolet performance and ultraviolet blocking shield effectiveness, especially to the ultraviolet of 180-400nm wave band, there is good assimilation effect, and effectively can reflect and scattering ultraviolet.The concentration of the anti-ultraviolet finishing agent used in this programme is 15-50g/L.
Can for padding the screen of process through anti-ultraviolet finishing agent at screen 2, the production process of the shielding insulation aluminium row that insulating barrier 3 can be corresponding for the insulating barrier padding process through anti-ultraviolet finishing agent as shown in Figure 4, is specially:
Step 21: oxide-film and the burr of removing conductor 1 surface with sand paper, then carries out cleaning process (i.e. deburring processing procedure) with alcohol or acetone by the surface that the aluminium of above-mentioned process is arranged;
Step 22: the pre-heat treatment is carried out to the conductor 1 processed through step 21;
Step 23: put into opening rubber mixing machine by respectively through the semi-conductive silicone rubber of platinum catalyst process and electrically insulating silicone rubber;
Step 24: the double-layer coextrusion extruder suitable according to the size Selection of conductor 1, puts into the above-mentioned double-layer coextrusion extruder chosen by semi-conductive silicone rubber and electrically insulating silicone rubber, adjust the outer wall that screen 2 and insulating barrier 3 are extruded conductor 1 by relevant parameter;
Step 25: be placed in the anti-ultraviolet finishing agent configured carry out padding process by extruding successful conductor 1, the time of padding is 30 seconds, after having processed, and carries out drying and processing, and bake out temperature is: 90 DEG C-110 DEG C;
Step 26: conductor 1 treated in step 25 is put into vulcanization plant and carries out vulcanizing treatment.
The utility model additionally provides a kind of electrical power trans mission/distribution system, comprises shielding insulation aluminium row described above.Electrical power trans mission/distribution system applies shielding insulation aluminium row described above, can improve the reliability of electrical power trans mission/distribution system safe operation.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a shielding insulation aluminium row, it is characterized in that, comprise conductor (1), be wrapped in the screen (2) of described conductor (1) outer wall and be set in the insulating barrier (3) outside described screen (2), described screen (2) is semi-conductive silicone rubber screen, described insulating barrier (3) is electrically insulating silicone rubber insulating barrier, and described screen (2) and described insulating barrier (3) are by the outer wall of double-layer coextrusion extruder coextrusion mold to described conductor (1).
2. shielding insulation aluminium row according to claim 1, it is characterized in that, described screen (2) is the screen through vulcanizing treatment, and described insulating barrier (3) is the insulating barrier through vulcanizing treatment.
3. shielding insulation aluminium row according to claim 1, is characterized in that, described conductor (1) is aluminium row.
4. shielding insulation aluminium row according to claim 1, it is characterized in that, described conductor (1) is the conductor through deburring process.
5. shielding insulation aluminium row according to claim 1, it is characterized in that, the thickness of described screen (2) is 0.5mm.
6. shielding insulation aluminium row according to claim 5, it is characterized in that, the thickness of described insulating barrier (3) is any one value in 8-10mm.
7. shielding insulation aluminium row according to claim 5, it is characterized in that, the thickness of described insulating barrier (3) is any one value in 15-28mm.
8. shielding insulation aluminium row according to claim 1, it is characterized in that, described screen (2) is the screen padding process through anti-ultraviolet finishing agent, and described insulating barrier (3) is the insulating barrier padding process through anti-ultraviolet finishing agent.
9. an electrical power trans mission/distribution system, is characterized in that, comprising: shielding insulation aluminium row as described in claim 1-8 any one.
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CN201420447635.1U CN204117670U (en) | 2014-08-08 | 2014-08-08 | A kind of shielding insulation aluminium row and electrical power trans mission/distribution system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104616820A (en) * | 2015-02-10 | 2015-05-13 | 银川汤姆森电气有限公司 | Power transmission line insulating sheath with inner shielding layer |
CN104681212A (en) * | 2015-02-04 | 2015-06-03 | 银川汤姆森电气有限公司 | Machining method for inner shielding layer of insulating sheath of power transmission line |
-
2014
- 2014-08-08 CN CN201420447635.1U patent/CN204117670U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104681212A (en) * | 2015-02-04 | 2015-06-03 | 银川汤姆森电气有限公司 | Machining method for inner shielding layer of insulating sheath of power transmission line |
CN104616820A (en) * | 2015-02-10 | 2015-05-13 | 银川汤姆森电气有限公司 | Power transmission line insulating sheath with inner shielding layer |
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Address after: 201100 503, room nineteenth, 60 Zhonghui Road, Minhang District, Shanghai. Patentee after: Shanghai Zhengda Electrical Appliance Group Co., Ltd. Address before: 201111 Jiangchuan Road, Minhang District, Shanghai 2017 Patentee before: Shanghai Zhenda Electrical Appliance Complete Set Co., Ltd. |
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CP03 | Change of name, title or address |