CN201812607U - Hollow composite insulator for 170kV switch - Google Patents
Hollow composite insulator for 170kV switch Download PDFInfo
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- CN201812607U CN201812607U CN2010202138210U CN201020213821U CN201812607U CN 201812607 U CN201812607 U CN 201812607U CN 2010202138210 U CN2010202138210 U CN 2010202138210U CN 201020213821 U CN201020213821 U CN 201020213821U CN 201812607 U CN201812607 U CN 201812607U
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- insulated tube
- combined insulator
- hollow combined
- switch
- full skirt
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Abstract
The utility model relates to a hollow composite insulator for a 170kV switch, which comprises an insulation tube, a jacket covered on the outer side of the insulation tube, and at least one shed arranged at the outer side of the jacket, wherein the maximum inner diameter of the insulation tube is within the range of 150-194mm. Compared with the maximum inner diameter of the existing hollow composite insulator, the maximum inner diameter of the hollow composite insulator is reduced, and the experiment shows that the hollow composite insulator provided with the insulation tube with the maximuminner diameter of 150-194mm is completely in accordance with all performances required by the 170kV switch, so that the material using amount and the processing time, particularly the winding complexity and the cutting surplus, are reduced, and manufacturing cost of the hollow composite insulator is greatly reduced.
Description
Technical field
The present invention relates to a kind of electrical circuitry equipment equipment, particularly relate to a kind of 170KV switch hollow combined insulator that is used in the power industry High-Voltage Electrical Appliances.
Background technology
Along with the needs of the development of power industry, particularly extra-high voltage electric transmission and transformation, more and more for the demand of composite insulator.The hollow insulator of common outdoor use is generally porcelain insulator, and is easily broken in transportation and the installation process because porcelain insulator resistant sudden strain of a muscle ability is of poor quality, and needs periodic cleaning in use, to installing and using and all brought a lot of inconvenience.For addressing this problem, the electrical circuitry equipment industry has been developed traditional hollow combined insulator.Traditional 170KV switch comprises an insulated tube with hollow combined insulator, a sheath that is coated on this insulated tube outside, and at least one is coated on the full skirt in this sheath outside, and the flange that is arranged on described insulated tube two ends.The insulated tube of this hollow combined insulator is by basis material, and the glass fiber yarn that is immersed in this basis material is made.This 170KV switch with hollow insulator in order to guarantee its absolute reliability service, it is all very big that its internal diameter designs mostly, use in the hollow insulator as the 170KV switch of present use, its maximum inner diameter mostly is 200 millimeters, and through the use of decades, industry thinks that mostly 200 millimeters is the standard values that the 170KV switch is used hollow insulator.But the insulated tube of hollow combined insulator generally all is to make by winding process.In winding process, what of the complexity, material usage, process time of winding process and cutting surplus the internal diameter of the insulated tube of hollow combined insulator determined.Therefore, the existing taper with 200 millimeters internal diameters, straight tubular hollow combined insulator can cause very big winding complexity, too much material usage and process time, and more cut surplus, thus cause the cost of hollow combined insulator to rise.
Summary of the invention
In view of this, be necessary the 170KV switch hollow combined insulator that provides a kind of internal diameter less.
A kind of 170KV switch hollow combined insulator, it comprises an insulated tube, a sheath that is coated on this insulated tube outside, and at least one is arranged on the full skirt in this sheath outside.The maximum inner diameter of described insulated tube is between 150 millimeters to 194 millimeters.
Compared with prior art, because the minimizing of the internal diameter of hollow combined insulator, and the experiment proved that, the hollow combined insulator that has internal diameter and be 150 millimeters to 194 millimeters insulated tube can meet the desired every performance of 170KV switch fully, thereby make its material usage, all obtain process time reducing, particularly twine complexity and the minimizing of cutting surplus, greatly reduce the manufacturing cost of hollow combined insulator.
Description of drawings
A kind of 170KV switch that Fig. 1 provides for first embodiment of the invention is with the structural representation of straight tubular hollow combined insulator.
A kind of 170KV switch that Fig. 2 provides for second embodiment of the invention structural representation of taper hollow combined insulator.
Embodiment
For the present invention being done further explanation, lift following preferred embodiment and conjunction with figs. and be described in detail as follows:
See also Fig. 1, it uses the structural representation of hollow combined insulator 100 for a kind of 170KV switch that first embodiment of the invention provided.Described hollow combined insulator 100 comprises that 10, one of insulated tubes are coated on the sheath 11 in these insulated tube 10 outsides, and at least one is arranged on the full skirt 12 of described sheath 11, and at least one is arranged on the flange 13 of described insulated tube 10 1 ends.
The function of instrument transformer is that high voltage or big electric current scaling transformation are become standard low-voltage (100V) or the little electric current of standard (5A or 1A all refer to rated value), so that realize standardization, the miniaturization of measuring instrument, protection equipment and automatic control equipment.Instrument transformer also can be used to separate high-voltage system, to guarantee the safety of the person and equipment.
Described insulated tube 10 is tubular insulating cylinder always, and promptly this insulated tube has internal diameter of the same size, and it is composited by glass fiber yarn and the basis material as reinforcing material.Described basis material can be epoxy resin, vinyl ester resin, or polyurethane resin.In the present embodiment, described basis material is an epoxy resin.In the forming process of this insulated tube 10, epoxy resin adhesive liquid meeting and glass fiber yarn form epoxy resin cured product through a series of physicochemical change.Simultaneously, this epoxy resin cured product forms the boundary layer of structure and superior performance between epoxy resin adhesive liquid and glass fiber yarn, this boundary layer is combined into an integral body to glass fiber yarn and epoxide-resin glue, makes the insulated tube of being made by this epoxy resin and glass fiber yarn 10 have favorable mechanical performance and electric property.Described glass fiber yarn can be the uninterrupted organdy of alkali-free, and this glass fiber yarn accounts for 70%～80% of insulated tube 10 total weights, and in the present embodiment, glass fiber yarn accounts for 78% of insulated tube 10 total weights.The inside diameter D of this insulated tube 10 can be between 150 millimeters to 194 millimeters.In the present embodiment, the inside diameter D of described insulated tube 10 is 180 millimeters.Be that 180 millimeters insulated tube 10 is that sample is done mechanical test with inside diameter D below,, think that inside diameter D is that 180 millimeters insulated tube 10 can satisfy the requirement of 170KV switch performances by the checking of this mechanical test.
Described sheath 11 and full skirt 12 all are coated on the described insulated tube 10 by the high-temperature silicon disulfide rubber integral injection molding, and wherein sheath 11 is arranged between insulated tube 10 and the full skirt 12.What certainly expect is that described sheath 11 also can be made respectively with full skirt 12, and then combines.Described sheath 11 is coated on the whole insulated tube 10, and has part sheath 11 can be coated on the flange 13, also can be embedded between described flange 13 and insulated tube 10.In this enforcement body, the end of described sheath 11 is embedded between described flange 13 and insulated tube 10.High-temperature silicon disulfide rubber is that the polysiloxane (being rubber) of HMW (molecular weight is generally 40～800,000) adds reinforced filling and other various additives, the employing organic peroxide is a vulcanizing agent, and a kind of rubber of becoming of interlinkage at high temperature, this rubber abbreviates silicon rubber as.The reinforced filling of high-temperature silicon disulfide rubber can be white carbon, and it can make the intensity of vulcanizate increase by ten times.Add various additives and mainly be the cost that reduces glue, improve properties of rubber and give the various properties of vulcanizate such as fire-retardant, conduction etc.In the present embodiment, described high-temperature silicon disulfide rubber includes with the lower part to be formed: methyl vinyl silicone rubber, white carbon, aluminium hydroxide, silicone oil and vulcanizing agent etc., and the shared weight ratio of described each component is: methyl vinyl silicone rubber 20%～50%, white carbon 10～50%, aluminium hydroxide 25～50%, silicone oil 2～5%, vulcanizing agent 1%.What can expect is that described sheath 11 and full skirt 12 can also be made by room temperature vulcanized silicone rubber.
Described full skirt 12 comprises at least one first full skirt 121, second full skirt 122 that at least one and first full skirt 121 are provided with at interval.In the present embodiment, described second full skirt 122 comprises two.What can expect is that as required, this first full skirt 121 or second full skirt 122 can be for a plurality of.Described one first full skirt 121 and two second full skirts 122 are provided with at interval.Described first full skirt 121, second full skirt 122 have different skirts long, and for example the skirt of first full skirt 121 is grown up long in the skirt of second full skirt 122.Certainly be also contemplated that described full skirt 12 is not limited to include only described first, second full skirt 121,122, can also comprise more a plurality of skirts little different full skirt of growing up.And the arrangement mode of this first, second full skirt 121,122 also is not limited to above-mentioned arrangement mode, and other arrangement mode arbitrarily can be arranged.Preferably, the long L of the skirt of described second full skirt 122
2With the long L of the skirt of first full skirt 121
1Ratio be 60%L
1≤ L
2≤ 90%L
1.The inclined angle alpha of the upper surface of described first full skirt 121 is 5 °≤α≤25 °, and the angle of inclination beta of lower surface is 2 °≤β≤6 °, and in the present embodiment, the inclined angle alpha of the upper surface of first full skirt 121 is 8 °, and the lower surface angle of inclination beta is 5 °.The inclination angle of the upper and lower surface of described second full skirt 122 can be identical with the inclination angle of first full skirt 121.The inclination angle of the upper and lower surface of described first, second full skirt 121,122 is controlled at certain limit, help improving the self-cleaning of each full skirt, and the long proportional control of the skirt of first, second full skirt 121,122 helps avoiding the bridge network between the adjacent full skirt under the condition of drenching with rain in certain scope.Be understandable that described hollow combined insulator 100 can comprise a plurality of full skirts 12, also can only have one.When described hollow combined insulator 100 comprised a plurality of full skirt 12, these a plurality of full skirts 12 can be one-body molded, also can distinguish moulding, is bonded in the outside of sheath 11 then by viscose glue.
Described flange 13 by a pedestal 131, one be arranged at pedestal 131 an end and with the pedestal 131 vertical cannula portion that link to each other 132, and at least one is connected with the reinforcement 133 between pedestal 131 and cannula portion.
Described pedestal 131 can be one-body molded with cannula portion 132, and also can be fixed by methods such as welding links together.Described pedestal 131 comprises a plurality of fixing holes 134 that are arranged on this pedestal 131, and this fixing hole 134 is used for this hollow combined insulator 100 by bolt (figure do not show) and other device, and as lightning arrester, switch etc. link together.Described cannula portion 132 is used for sheathed fixed insulation pipe 10.
See also Fig. 2, its a kind of 170KV switch that provides for second embodiment of the invention structural representation of hollow combined insulator 200.Described 170KV switch comprises that with hollow combined insulator 200 20, one of insulated tubes are coated on the sheath 21 in these insulated tube 20 outsides, and at least one is arranged on the full skirt 22 of described sheath 21, and two flanges 23 that are arranged on described insulated tube 20 two ends.
The difference of the described hollow combined insulator 200 of second embodiment and first embodiment only is that described insulated tube 20 is the taper insulated tube.In the design of taper insulated tube, because its end with maximum inner diameter need be equipped with other components and parts, as radome etc., and by this end this hollow combined insulator 200 is assembled to other devices and gets on, as GIS or potting breaker etc. with maximum inner diameter.Therefore an end of the maximum inner diameter of this taper insulated tube has the effect which electric pressure this hollow combined insulator 200 of decision is suitable for, and also therefore the maximum inner diameter of hollow combined insulator 200 is its difference parameters.In the present embodiment, the maximum inner diameter of the insulated tube 20 of described hollow combined insulator 200 is 180 millimeters.Have the checking of mechanical test of hollow combined insulator 200 that maximum inner diameter is 180 millimeters a insulated tube 20 by this, think that maximum inner diameter D is that 180 millimeters insulated tube 120 can satisfy the requirement of 170KV switch performances.
Compared with prior art, because the minimizing of the maximum inner diameter D of hollow combined insulator, and the experiment proved that, this hollow combined insulator that has maximum inner diameter D and be 150 millimeters to 194 millimeters insulated tube can meet the desired every performance of 170KV switch fully, thereby make its material usage, all obtain process time reducing, particularly twine complexity and the minimizing of cutting surplus, greatly reduce the manufacturing cost of hollow combined insulator.
In addition, those skilled in the art can also do other variation in the spirit of the present invention, as long as it does not depart from technique effect of the present invention, all should be included in the present invention's scope required for protection.
Claims (9)
1. 170KV switch hollow combined insulator, comprise an insulated tube, a sheath that is coated on this insulated tube outside, and at least one is arranged on the full skirt in this sheath outside, it is characterized in that: the internal diameter of described insulated tube is between 150 millimeters to 194 millimeters.
2. 170KV switch hollow combined insulator as claimed in claim 1 is characterized in that: the maximum inner diameter of the insulated tube of described hollow combined insulator is 180 millimeters.
3. 170KV switch hollow combined insulator as claimed in claim 1, it is characterized in that: described insulated tube comprises glass fiber yarn and basis material.
4. 170KV switch hollow combined insulator as claimed in claim 3 is characterized in that: described basis material is a kind of in vinyl ester resin, epoxy resin and the polyurethane resin.
5. 170KV switch hollow combined insulator as claimed in claim 1 is characterized in that: described insulated tube is straight tubular insulated tube, and this straight tubular insulated tube has consistent internal diameter.
6. 170KV switch hollow combined insulator as claimed in claim 1 is characterized in that: described insulated tube is the taper insulated tube.
7. 170KV switch hollow combined insulator as claimed in claim 1, it is characterized in that: described sheath and full skirt are made by high-temperature silicon disulfide rubber.
8. 170KV switch hollow combined insulator as claimed in claim 1, it is characterized in that: described sheath and full skirt are made by room temperature vulcanized silicone rubber.
9. 170KV switch hollow combined insulator as claimed in claim 1, it is characterized in that: described sheath and full skirt are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202138210U CN201812607U (en) | 2010-05-24 | 2010-05-24 | Hollow composite insulator for 170kV switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202138210U CN201812607U (en) | 2010-05-24 | 2010-05-24 | Hollow composite insulator for 170kV switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201812607U true CN201812607U (en) | 2011-04-27 |
Family
ID=43895546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202138210U Expired - Lifetime CN201812607U (en) | 2010-05-24 | 2010-05-24 | Hollow composite insulator for 170kV switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201812607U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364615A (en) * | 2011-11-11 | 2012-02-29 | 武汉理工大学 | Manufacturing method of tapered composite insulator core tube with variable diameter |
| CN103035344A (en) * | 2010-05-24 | 2013-04-10 | 江苏神马电力股份有限公司 | Hollow composite insulator for 170KV switch |
| CN103035343A (en) * | 2010-05-24 | 2013-04-10 | 江苏神马电力股份有限公司 | Hollow composite insulator for 72.5KV and 100KV switches |
-
2010
- 2010-05-24 CN CN2010202138210U patent/CN201812607U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035344A (en) * | 2010-05-24 | 2013-04-10 | 江苏神马电力股份有限公司 | Hollow composite insulator for 170KV switch |
| CN103035343A (en) * | 2010-05-24 | 2013-04-10 | 江苏神马电力股份有限公司 | Hollow composite insulator for 72.5KV and 100KV switches |
| CN102364615A (en) * | 2011-11-11 | 2012-02-29 | 武汉理工大学 | Manufacturing method of tapered composite insulator core tube with variable diameter |
| CN102364615B (en) * | 2011-11-11 | 2012-12-19 | 武汉理工大学 | Method for manufacturing variable-diameter conical composite insulator core pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU SHENMA ELECTRIC POWER CO., LTD. Free format text: FORMER NAME: NANTONG SHENMA POWER ELECTRIC + TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 226553 Jiangsu city of Rugao Province towns such as 4, 8, Yang Group Patentee after: Jiangsu Shenma Electric Power Co., Ltd. Address before: 226553 Jiangsu city of Rugao Province towns such as 4, 8, Yang Group Patentee before: Nantong Shenma Electric Power Science & Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110427 |
|
| CX01 | Expiry of patent term |