CN204117630U - A kind of shielding insulation copper bar - Google Patents
A kind of shielding insulation copper bar Download PDFInfo
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- CN204117630U CN204117630U CN201420447707.2U CN201420447707U CN204117630U CN 204117630 U CN204117630 U CN 204117630U CN 201420447707 U CN201420447707 U CN 201420447707U CN 204117630 U CN204117630 U CN 204117630U
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- screen
- insulating barrier
- copper bar
- conductor
- silicone rubber
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Abstract
This application discloses a kind of shielding insulation copper bar, the screen comprise conductor, being 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 insulating barrier parcel conductor that the screen that the shielding insulation copper bar that the utility model provides utilizes semi-conductive silicone rubber to make and electrically insulating silicone rubber 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 of copper bar in use phase fault situation, improve the security performance that copper bar 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 copper bar.
Background technology
The insulation property of copper bar 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 dielectric strength 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 copper bar, 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 copper bar, to improve the insulation property of copper bar.
For achieving the above object, the utility model provides following technical scheme:
A kind of shielding insulation copper bar, the screen comprise conductor, being 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.
Preferably, in above-mentioned shielding insulation copper bar, described screen is the screen through vulcanization plant process, and described insulating barrier is the insulating barrier through vulcanization plant process.
Preferably, in above-mentioned shielding insulation copper bar, described conductor is the conductor through deburring process.
As can be seen from technique scheme, the insulating barrier parcel conductor that the screen that the shielding insulation copper bar that the utility model provides utilizes semi-conductive silicone rubber to make and electrically insulating silicone rubber 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 of copper bar in use phase fault situation, improve the security performance that copper bar 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.
The structural representation in the cross-sectional cross section of shielding insulation copper bar that Fig. 1 provides for the utility model embodiment;
The structural representation in the shielding insulation copper bar vertical profile cross section that Fig. 2 provides for the utility model embodiment;
The flow sheet of the shielding insulation copper bar that Fig. 3 provides for the utility model embodiment.
Embodiment
The utility model discloses a kind of shielding insulation copper bar, to improve the insulation property of copper bar.
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. 3, the structural representation in the cross-sectional cross section of shielding insulation copper bar that Fig. 1 provides for the utility model embodiment; The structural representation in the shielding insulation copper bar vertical profile cross section that Fig. 2 provides for the utility model embodiment; The flow sheet of the shielding insulation copper bar that Fig. 3 provides for the utility model embodiment.
A kind of shielding insulation copper bar, 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 the screen of semi-conductive silicone rubber material, insulating barrier 3 is the insulating barrier of electrically insulating silicone rubber material, and screen 2 and insulating barrier 3 are by the outer wall of double-layer coextrusion extruder coextrusion mold to conductor 1.
The shielding insulation copper bar 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, half guided missile silastic-layer and electrically insulating silicone rubber layer are combined closely, interlayer is seamless, internal shield 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 copper bar that this programme provides is 20 times that make shielding insulation copper bar manually, and cost is 1/3 of prior art.It is even that the screen 2 shaping by double-layer coextrusion extruder and insulating barrier 3 can realize Electric Field Distribution everywhere, 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 condition of 300 DEG C ~-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 copper bar by double-layer coextrusion extruder.
The thickness of screen is 0.5mm, different according to the service condition of shielding insulation copper bar bus line, and the thickness of insulating barrier is different: for the service condition of 10kv, the thickness of insulating barrier is 8-10mm, and for the service condition of 35kv, the thickness of insulating barrier is 15-28mm.
In order to optimize technique scheme further, in a specific embodiment of the present utility model, screen 2 is the screen through vulcanization plant process, insulating barrier 3 is the insulating barrier through vulcanization plant process, 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 crosslinking agent that this programme uses is 15-50g/L.
In order to ensure the installation quality of copper bar 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 copper bar.
The production process of the shielding insulation copper bar that this programme provides is:
Step 1: the oxide-film and the burr that take out copper bar conductor surface with sand paper, then carries out cleaning process with alcohol or acetone by the surface of the copper bar of above-mentioned process;
Step 2: the pre-heat treatment is carried out to the copper bar processed through step 1:;
Step 3: put into opening rubber mixing machine by respectively through the semi-conductive silicone rubber of platinum catalyst process and electrically insulating silicone rubber;
Step 4: 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 5: put into vulcanization plant carry out vulcanizing treatment by extruding successful conductor 1 in step 4.
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 (3)
1. a shielding insulation copper bar, 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), the screen that described screen (2) is semi-conductive silicone rubber material, the insulating barrier that described insulating barrier (3) is electrically insulating silicone rubber material, 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 copper bar according to claim 1, is characterized in that, described screen (2) is the screen through vulcanization plant process, and described insulating barrier (3) is the insulating barrier through vulcanization plant process.
3. shielding insulation copper bar according to claim 1, is characterized in that, described conductor (1) is the conductor through deburring process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420447707.2U CN204117630U (en) | 2014-08-08 | 2014-08-08 | A kind of shielding insulation copper bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420447707.2U CN204117630U (en) | 2014-08-08 | 2014-08-08 | A kind of shielding insulation copper bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204117630U true CN204117630U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420447707.2U Active CN204117630U (en) | 2014-08-08 | 2014-08-08 | A kind of shielding insulation copper bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204117630U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346903A (en) * | 2018-09-29 | 2019-02-15 | 重庆鸽牌电线电缆有限公司 | A kind of manufacturing method of hot-face insulation copper bar |
-
2014
- 2014-08-08 CN CN201420447707.2U patent/CN204117630U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346903A (en) * | 2018-09-29 | 2019-02-15 | 重庆鸽牌电线电缆有限公司 | A kind of manufacturing method of hot-face insulation copper bar |
| CN109346903B (en) * | 2018-09-29 | 2020-05-12 | 重庆鸽牌电线电缆有限公司 | Manufacturing method of fire-resistant insulated copper bar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
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. |
|
| CP03 | Change of name, title or address |