CN105679595A - Injection-molded embedded pole - Google Patents
Injection-molded embedded pole Download PDFInfo
- Publication number
- CN105679595A CN105679595A CN201610151134.2A CN201610151134A CN105679595A CN 105679595 A CN105679595 A CN 105679595A CN 201610151134 A CN201610151134 A CN 201610151134A CN 105679595 A CN105679595 A CN 105679595A
- Authority
- CN
- China
- Prior art keywords
- arc
- injection
- pole
- chutes
- inserts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000001746 injection moulding Methods 0.000 claims abstract description 10
- 239000000919 ceramic Substances 0.000 claims abstract 2
- 229920001169 thermoplastic Polymers 0.000 claims description 20
- 239000004416 thermosoftening plastic Substances 0.000 claims description 20
- 238000009413 insulation Methods 0.000 claims description 17
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 239000012774 insulation material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 229920006351 engineering plastic Polymers 0.000 claims description 4
- 230000004927 fusion Effects 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 238000012797 qualification Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 4
- 239000003063 flame retardant Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 1
- 229920000647 polyepoxide Polymers 0.000 description 9
- 239000003822 epoxy resin Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010112 shell-mould casting Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention relates to an embedded pole of a power transmission and distribution breaker, and belongs to the technical field of power transmission and distribution switch gears. According to the technical scheme, an injection-molded embedded pole structurally comprises an upper insert, a lower insert, a vacuum arc-extinguishing chamber, an insulating shell and a base, wherein the base is provided with a base insert; the vacuum arc-extinguishing chamber also comprises an upper cover of the arc-extinguishing chamber and a lower cover of the arc-extinguishing chamber; the upper cover of the arc-extinguishing chamber and a wafer-type metal lower cover of the arc-extinguishing chamber seal a main body of a ceramic arc-extinguishing chamber; an upper sealing cover of the arc-extinguishing chamber is provided with an upper cover connector; the arc-extinguishing chamber is fixed on the upper insert; a bolt form can be adopted by the upper cover connector; and a corresponding screw hole is formed in the upper cover of the arc-extinguishing chamber. Good electrical property, mechanical property and flame retardant property and high production efficiency can be achieved through once injection molding; the embedded pole which has a flame-retardant function and is beneficial to recycling of resources and environmental protection, and of which the material can be recycled after being produced and used can be prepared.
Description
Technical field
The present invention relates to a kind of power transmission and distribution chopper pole, belong to power transmission and distribution switchgear technical field.
Background technology
According to statistics, from, over 2002, after the Shi Ji U.S. of China, Germany and Japan, having been enter into vacuum circuit breaker big country ranks. Why so brilliant vacuum circuit breaker is, and this is constantly progressive inseparable with vacuum circuit breaker technology. Pole technology, here it is the embodiment of vacuum circuit breaker technology huge advance. The pole insulation of vacuum circuit breaker experienced by air insulation-compound inslation-sealing insulation. Which forms three generations's vacuum circuit breaker.
Existing pole adopts epoxy resin as dielectric, utilize epoxy resin that the current carrying element such as vacuum circuit breaker primary conductive partial vacuum arc-chutes and upper lower wire end are all sealed to one, the state of insulation making vacuum interrupter is completely free from the influence of the external environment, improves environment resistant. But the pole of epoxy resin there is problems in application process: first, epoxy resin fragility, in transport and using, by External Force Acting, very easily occur breakage or cracking to cause that pole is scrapped. Second, epoxy resin is flammable, runs to equipment and brings safety problem, the requirement being unsatisfactory in controller switching equipment insulant fire resistance and improving constantly. 3rd, production efficiency is low, and waste material is many, and equipment investment is big. 4th, there is the difficult problem that cannot be recycled in the epoxy resin of solidification, easily causes environmental pollution, be unfavorable for environmental protection, do not meet the requirement of sustainable development. Therefore, the technical advantage of epoxies pole and life cycle receive serious reduction. Thermoplastic insulation material's incentives of application on switchgear recyclable, that recycle also can be got more and more by country, is conducive to recycling and the environmental protection of resource.
Summary of the invention
What the present invention proposed is a kind of chopper pole, its object is to the drawbacks described above overcome existing for prior art, both the technical advantages such as all of high reliability of existing pole, high intensity had been kept, reduce again working service cost and production cost, the safety of raising equipment, and be conducive to recycling and the environmental protection of resource.
The technical solution of the present invention: a kind of chopper pole, its structure includes inserts, lower inserts, arc-chutes, insulation crust, base, and base is provided with base inserts.
The material of upper inserts and lower inserts is aluminium alloy, and processes through electroplate, and silver coating thickness is not less than 5 microns.
The material of described insulation crust is that thermoplastic flame-proof insulant is made, and adopts injection molding process. Described thermoplastic insulation material selects thermoplastic engineering plastic, and is modified good material modified of the electrical property of acquisition, mechanical property, fire resistance.
Arc-chutes also include arc-chutes top cover labyrinth, arc-chutes lower sealing cover etc. Good sealing is realized, it is ensured that the vacuum within arc-chutes between arc-chutes upper cover, arc-chutes lower cover and arc-chutes main body. Arc-chutes cover and is provided with top cap fitting. Arc-chutes main body is that pottery is made, and has good insulating properties. Arc-chutes lower cover is that thin metal material plate is made.
Arc-chutes are fixed on upper inserts by top cap fitting, and top cap fitting can adopt the form of bolt, arc-chutes cover and arranges corresponding screw. Implementing to manufacture in vacuum interrupter example at another, top cap fitting is 1, and connects the space outside arc-chutes and pole, is provided with check valve, it is simple to decompression exhaust and evacuation.
During injection mo(u)lding; pole lower sealing cover is cased with the protection lid of circulus; its ring protection lid injection mo(u)lding in advance; for thermoplastic insulation material; insulation crust interface fusion with follow-up injection mo(u)lding; gapless and bubble, it is ensured that during injection moulding, vacuum interrupter stands intact, it is ensured that the qualification rate of pole product
When injection mo(u)lding is implemented, upper inserts, lower inserts, arc-chutes and other inserts are put in prefabricated mould, then with certain pressure to the thermoplastic flame-proof insulant injecting high temperature in mould, cooled make thermoplastic pole product.
Advantages of the present invention: the present invention had both changed that epoxy resin pole is not fire-retardant, fragility, production waste material shortcoming many, not returnable, in turn simplify the injection moulding in advance of thermoplastic insulation's shell, after need perfusion silica gel sealing make the inefficient post forming problem of thermoplasticity pole, but obtain flame-proofed thermoplastic pole by single injection-molded technique, namely mould loads inserts and arc-chutes injection moulding forms insulation crust, make pole disposal molding. In the present invention; adopt thermoplasticity loop configuration protection lid; adjusting size and lower injection tonnage, making vacuum interrupter stand intact, each material interface posts; production efficiency is high; process velocity is fast, and because of the fire-retardant thermoplastic modification material of casing insulation materials'use, makes pole have anti-flaming function; after production, use, material is recyclable, is conducive to recycling and the environmental protection of resource.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of chopper pole of the present invention.
Fig. 2 is the side-looking structural representation of chopper pole of the present invention.
Fig. 3 is the bottom surface structure schematic diagram of chopper pole of the present invention.
In figure 1 is upper inserts, 2 is lower inserts, 3 is top cap fitting, 4 is arc-chutes upper cover, 5 is arc-chutes, 6 is insulation crust, 7 is arc-chutes lower cover, 11 is base inserts.
Detailed description of the invention
As Figure 1-3, a kind of chopper pole, its structure includes inserts (1), lower inserts (2), arc-chutes (5), insulation crust (6), base, and base is provided with base inserts (11).
The material of upper inserts (1) and lower inserts (2) is aluminium alloy, and processes through electroplate, and silver coating thickness is not less than 5 microns.
The material of described insulation crust (6) is that thermoplastic flame-proof insulant is made, and adopts injection molding process. Described thermoplastic flame-proof insulant, is formed through glass fibre, fire retardant etc. are modified by engineering plastics.
The present invention has abandoned traditional epoxy resins insulation shell moulding by casting mode, change again the injection moulding in advance of thermoplastic insulation's shell, after need perfusion silica gel sealing make efficiency is low, sealing property is undesirable post forming. The present invention passes through single injection-molded, can reach good electrical property, mechanical property, fire resistance, and production efficiency is high, prepares and has anti-flaming function, produce, use after material recyclable, be conducive to the recycling of resource and the pole of environmental protection.
In order to realize single injection-molded, present invention optimizes arc-chutes top cover labyrinth structure. Wherein arc-chutes (5) have the main body of cylinder, also include arc-chutes upper cover (4), arc-chutes lower cover (7), arc-chutes upper cover (4), realize good sealing between arc-chutes lower cover (7) and arc-chutes main body, to form vacuum interrupter. Being provided with top cap fitting (3), arc-chutes upper cover (4) and upper inserts (1) on arc-chutes upper cover (4) to connect, lower sealing cover is cased with the ring protection lid of thermoplastic. .
Arc-chutes (5) are fixed on upper inserts (1) by top cap fitting (3). In another embodiment, the space outside top cap fitting (3) connection arc-chutes and pole, it is provided with check valve, it is simple to decompression exhaust and evacuation.
When injection mo(u)lding is implemented, upper inserts (1), lower inserts (2), arc-chutes (5) and other inserts are put in mould, then inject the modified insulant of thermoplastic flame-proof of high temperature with certain pressure to the opening of mould. Arc-chutes upper cover (4) and arc-chutes lower cover form two slightly middle thin column structure with arc-chutes main body, pass through injection pressure, be conducive to keeping the excellent sealing between arc-chutes and thermoplastic insulation material's shell to fix, and ensure relevant size accurate of pole, the performance such as external force resistance deformation of arc-chutes is improved when being also beneficial to use.
Above-described is only the preferred embodiment of the present invention, it is noted that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention.
Claims (6)
1. the pole of an injection mo(u)lding, including upper inserts (1), lower inserts (2), vacuum interrupter (5), thermoplastic engineering plastic insulation crust (6), base, base is provided with base inserts (11), vacuum interrupter (5) forms vacuum interrupter for cylindrical ceramic end and arc-chutes top cover labyrinth (4) and arc-chutes lower sealing cover (7) and associated components, it is characterized in that: adopt that Shooting Technique is disposable makes, when pressurized injection molding is implemented, by upper inserts (1), lower inserts (2), top cap fitting (3), arc-chutes (5) and other inserts are put in mould, then inject the thermoplastic insulation material of high temperature to the opening of mould with certain pressure, it is cooled into pole.
2. the inserts of the pole of injection mo(u)lding according to claim 1, it is characterised in that: arc-chutes (5) pass through arc extinguishing
Room top cover labyrinth (4), top cap fitting (3) are connected with upper inserts (1), put in advance in mould as whole inserts.
3. the vacuum interrupter lower sealing cover in the pole of injection mo(u)lding according to claim 1, it is characterised in that: arc-chutes lower sealing cover (7) adopts sheet type metal material.
4. the pole arc-chutes lower sealing cover of injection mo(u)lding according to claim 1; it is characterized in that: during injection moulding; lower sealing cover (7) set upper annular thermoplasticity protection lid; adjust size and lower injection pressure, it is prevented that arc-chutes lower sealing cover (7) deforms and protects vacuum interrupter (5).
5. the pole ring protection lid of injection mo(u)lding according to claim 4; it is characterized in that: ring protection lid is through injection mo(u)lding, for thermoplastic insulation material, interface fusion during with insulation crust (6) molding; gapless and bubble, it is ensured that the qualification rate of pole product.
6. the insulation crust of the pole of injection mo(u)lding according to claim 1, it is characterised in that: insulation crust (6)
Material is thermoplastic flame-proof insulant, the engineering plastics modifiied adopt injection molding process to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610151134.2A CN105679595B (en) | 2016-03-17 | 2016-03-17 | Injection-molded solid-sealed polar pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610151134.2A CN105679595B (en) | 2016-03-17 | 2016-03-17 | Injection-molded solid-sealed polar pole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105679595A true CN105679595A (en) | 2016-06-15 |
| CN105679595B CN105679595B (en) | 2020-02-18 |
Family
ID=56310700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610151134.2A Active CN105679595B (en) | 2016-03-17 | 2016-03-17 | Injection-molded solid-sealed polar pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105679595B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201773753U (en) * | 2010-07-23 | 2011-03-23 | 武汉飞特电气有限公司 | Sealing pole for 12kV high-insulativity vacuum circuit breaker |
| CN102983027A (en) * | 2012-11-14 | 2013-03-20 | 宁波天驰电器科技有限公司 | Technology for manufacturing injection molding pole with lining |
| CN103390525A (en) * | 2013-08-05 | 2013-11-13 | 徐州新电高科电气有限公司 | Vacuum arc-extinguishing chamber |
| WO2015071734A1 (en) * | 2013-11-15 | 2015-05-21 | Eaton Corporation | Insulation sleeve for embedded pole and method of manufacturing the same |
| CN104861644A (en) * | 2015-05-25 | 2015-08-26 | 江苏南瑞泰事达电气有限公司 | Recoverable flame-retardant insulating modified material, and preparation and application of insulating parts |
| CN204596698U (en) * | 2015-02-28 | 2015-08-26 | 常州意恒龙仓电气科技有限公司 | A kind of wire outlet seat of aluminium copper-clad manufacture technics |
| CN204857567U (en) * | 2015-07-30 | 2015-12-09 | 麦克奥迪（厦门）电气股份有限公司 | Solid -sealed pole |
-
2016
- 2016-03-17 CN CN201610151134.2A patent/CN105679595B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201773753U (en) * | 2010-07-23 | 2011-03-23 | 武汉飞特电气有限公司 | Sealing pole for 12kV high-insulativity vacuum circuit breaker |
| CN102983027A (en) * | 2012-11-14 | 2013-03-20 | 宁波天驰电器科技有限公司 | Technology for manufacturing injection molding pole with lining |
| CN103390525A (en) * | 2013-08-05 | 2013-11-13 | 徐州新电高科电气有限公司 | Vacuum arc-extinguishing chamber |
| WO2015071734A1 (en) * | 2013-11-15 | 2015-05-21 | Eaton Corporation | Insulation sleeve for embedded pole and method of manufacturing the same |
| CN204596698U (en) * | 2015-02-28 | 2015-08-26 | 常州意恒龙仓电气科技有限公司 | A kind of wire outlet seat of aluminium copper-clad manufacture technics |
| CN104861644A (en) * | 2015-05-25 | 2015-08-26 | 江苏南瑞泰事达电气有限公司 | Recoverable flame-retardant insulating modified material, and preparation and application of insulating parts |
| CN204857567U (en) * | 2015-07-30 | 2015-12-09 | 麦克奥迪（厦门）电气股份有限公司 | Solid -sealed pole |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105679595B (en) | 2020-02-18 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Address after: 225300 private science and Technology Park, Taizhou Economic Development Zone, Taizhou City, Jiangsu Province Patentee after: Jiangsu Nari Turbo Star Electric Co.,Ltd. Patentee after: SUZHOU GUFENG POWER TECHNOLOGY CO.,LTD. Address before: 225300 private science and Technology Park, Taizhou Economic Development Zone, Taizhou City, Jiangsu Province Patentee before: JIANGSU NARI TURBOSTAR ELECTRIC CO.,LTD. Patentee before: SUZHOU GUFENG POWER TECHNOLOGY CO.,LTD. |