CN204068009U - A kind of main insulation body for solid-state insulated switchgear - Google Patents
A kind of main insulation body for solid-state insulated switchgear Download PDFInfo
- Publication number
- CN204068009U CN204068009U CN201420559814.4U CN201420559814U CN204068009U CN 204068009 U CN204068009 U CN 204068009U CN 201420559814 U CN201420559814 U CN 201420559814U CN 204068009 U CN204068009 U CN 204068009U
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- insulating cylinder
- insulation
- vacuum interrupter
- full skirt
- gathering sill
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Abstract
A kind of main insulation body for solid-state insulated switchgear of the utility model, belong to field of electromechanical equipment, comprise insulating cylinder, vacuum interrupter, charged display transducer, inlet-outlet sleeve, line conducting rod, screening cover, earth terminal fixed contact hold-down nut, earth terminal static contact and insulation full skirt, main bus bar sleeve pipe, bus conductive rod, isolation end static contact and insulation full skirt, seal groove, location notch, rear gathering sill, front gathering sill, embedded nut, through hole, observation window, arc control device insulation full skirt, M8 copper embedded nut, reinforcement, climb skirt.The utility model is unit-modularized structure, and structure is simple, non-maintaining, do not use greenhouse gas, all insulation, hermetically sealed, outer surface is tangible; The setting of seal groove, enhances sealing and the stain resistance of insulating cylinder; Utilize that vacuum interrupter arc extinguishing, volume are little, insulation property are reliable, modularization standardization, use safety, the non-maintaining volume simultaneously reducing joined switchgear.
Description
Technical field
The utility model belongs to field of electromechanical equipment, particularly a kind of main insulation body for solid-state insulated switchgear.
Background technology
In current switch industry, Medium Voltage Switchgear is widely used, and at present on pressure ring main unit market, mostly adopt gas-insulated ring network cabinet, the dielectric in gas-insulated ring network cabinet and arc-extinguishing medium adopt SF usually
6(sulphur hexafluoride) gas.SF
6the harm of gas is mainly reflected in two aspects: the chemical reaction product that first high-temperature electric arc catabolite and itself (or catabolite) and contact medium occur to the toxic action of biology, the SF in electric equipment
6gas and analyte and insulating material reaction can generate some toxic products, as with the insulating part such as the epoxy phenol aldehyde glass silk fabric board (rod, manage) containing silicon composition, or make the epoxy cast of filler, molding and porcelain vase, silicon rubber, silicone grease etc. with quartz sand, glass and chemically react, generate SiF
4, Si (CH
3) 2F
2deng product, be huge to the harm of human body and environment; It two is SF
6gas as the harm of a kind of greenhouse gas to environment, Kyoto Protocol clear stipulaties SF
6gas is one of six kinds of greenhouse gas, uses and discharge clear and definite restriction requirement to it; And in the field of employment of relative closure, SF
6the SF that gas-insulated ring network cabinet leaks
6gas and analyte thereof are not easy diffusion, can cause the personnel be in its environment poisoning, the injury such as suffocate, and causes great pollution to atmospheric environment.
Summary of the invention
Technical problem to be solved in the utility model: provide a kind of main insulation body for solid-state insulated switchgear, with solving the SF that in prior art, gas-insulated ring network cabinet leaks
6gas and analyte thereof are not easy diffusion, can cause the personnel be in its environment poisoning, the injury such as suffocate, and causes the technical problems such as pollution greatly to atmospheric environment.
A kind of main insulation body for solid-state insulated switchgear, it is characterized in that: a kind of main insulation body for solid-state insulated switchgear, it is characterized in that: comprise insulating cylinder, vacuum interrupter, charged display transducer, inlet-outlet sleeve, line conducting rod, screening cover, earth terminal fixed contact hold-down nut, earth terminal static contact and insulation full skirt, main bus bar sleeve pipe, bus conductive rod, isolation end static contact and insulation full skirt, seal groove, location notch, rear gathering sill, front gathering sill, embedded nut, through hole, observation window, arc control device insulation full skirt, M8 copper embedded nut, reinforcement, climb skirt, described insulating cylinder inside is provided with cavity, described vacuum interrupter is arranged at the front portion at the bottom of insulating cylinder inner chamber, and top and the bottom of vacuum interrupter are provided with screwed hole, and is provided with arc control device insulation full skirt on the top of vacuum interrupter, described charged display sensor sensing parts are φ 50 gauze screen, and φ 50 gauze screen is enclosed within the outside of line conducting rod, and charged display transducer display unit is connected with outside by M4 screwed hole, described inlet-outlet sleeve is positioned at the bottom of insulating cylinder front end, forms the frustum of a cone protruding from insulating cylinder front-end surface, described line conducting rod is arranged in inlet-outlet sleeve, and one end of line conducting rod is connected with vacuum interrupter by bolt, and the other end is provided with internal thread, described screening cover is positioned at line conducting rod and vacuum interrupter junction, described earth terminal fixed contact hold-down nut is arranged at the centre position of bottom in insulating cylinder chamber, described earth terminal static contact and insulation full skirt is arranged at the top of earth terminal fixed contact hold-down nut, described main bus bar sleeve pipe is positioned at insulating cylinder lower-end rear portion, forms the frustum of a cone protruding from insulating cylinder rear surface, described bus conductive rod is positioned at main bus bar sleeve pipe, and two ends are provided with internal thread, described isolation end static contact and insulation full skirt is positioned at the top of bus conductive rod, described seal groove is annular, is arranged on the upper surface of insulating cylinder, is provided with sealing ring in seal groove, described rear gathering sill quantity is 2, is symmetricly set on insulating cylinder inner chamber two side, described front gathering sill quantity is 2, is symmetricly set on insulating cylinder inner chamber two side, described location notch quantity is 4, is positioned at the top on rear gathering sill and front gathering sill top, described embedded nut quantity is 13, is uniformly distributed in the upper surface of insulating cylinder along seal groove, described through hole is arranged at the top of insulating cylinder front end, described observation window covers through hole completely, and is fixedly mounted on insulating cylinder front end upper surface by bolt and sealing ring, described M8 copper embedded nut quantity is 4, is arranged at insulating cylinder front lower portion, and is evenly distributed on the surrounding of inlet-outlet sleeve, described reinforcement symmetry be distributed on insulating cylinder inner chamber two side, described skirt quantity of climbing is 3 roads, is arranged at insulating cylinder intracavity bottom, between earth terminal static contact and insulation full skirt and isolation end static contact and insulation full skirt.
Described vacuum interrupter is circuit breaker vacuum interrupter or vacuum arc extinguishing chamber for loading switch.
Described vacuum extinction outdoor face is provided with silastic-layer.
Described insulating cylinder outer surface has zinc coat or semi-conductive layer, wherein the outer surface of the outer surface of inlet-outlet sleeve, main bus bar sleeve pipe, observation window and insulating cylinder faying face and with M4 screwed hole for the center of circle with 1.2cm be radius disc on not this zinc coat or semi-conductive layer.
Described inlet-outlet sleeve, main bus bar sleeve pipe are the European standard taper of IEC of 630A.
By adopting technique scheme, the utility model can bring following beneficial effect:
1, insulating cylinder adopts automatic pressure gel technology (APG) cast to form by epoxy resin, and by each parts sealings such as vacuum interrupter, charged display transducer, line conducting rod, bus conductive rod, screening covers in insulating cylinder, adopt the insulating forms of solid dielectric insulation, avoid SF
6gas and analyte thereof are to the generation of the problems such as atmospheric environment pollutes.
2, insulating cylinder inner chamber is provided with the mechanical strength that 2 road reinforcements enhance insulating cylinder, insulating cylinder outer surface has zinc coat or semi-conductive layer, insulating cylinder is external surface grounded, the effect serving uniform electric field, avoid charge buildup, suppress phase fault and prevent operating personnel from getting an electric shock, overcome the deficiency of the aspects such as current gas-insulated ring network cabinet phase insulation, arc-extinguishing medium, the palp position of people is tangible, improves insulating reliability and safety in utilization.
3, vacuum interrupter is before sealing is in insulating cylinder, and its outer surface silastic material has carried out encapsulate process, completely eliminate because of air gap cause arc control device external insulation pottery outer surface or ceramic thickness direction by the generation of high electrical breakdown problem.And outsourcing is encapsulated in the silicon rubber of arc control device as elastic insulated resilient coating, the ceramic material solving sealing insulator epoxy resin and arc control device causes relative motion and then destroys insulation property and the problem punctured by high-tension electricity because expanding with heat and contract with cold.
4, whether the setting of charged display transducer, intuitively can understand electric equipment with working voltage.
5, main insulation body three-phase is independently, often mutually respectively by inner at dielectric for primary conductive loop and vacuum interrupter (circuit breaker with or on-load switch with) sealing, and the effect that screening cover plays good electric field shielding and electric fields uniform is distributed; Climb the setting of skirt, earth terminal static contact and insulation full skirt, isolation end static contact and insulation full skirt and arc control device insulation full skirt, add the creep distance between fracture, reach splendid insulation and the effect of electric field shielding.
6, the M8 copper embedded nut of inlet-outlet sleeve surrounding setting, fixing for insulating cylinder, also can be used for the fixed installation of the current transformer matched with it.
7, the present invention designs uniqueness, meets the instructions for use of 12kV and 24kV switchgear completely; Be provided with seal groove, be convenient to and being connected and fixed of other module of switchgear, and ensure the sealing of insulating cylinder, therefore stain resistance strengthens greatly; Utilize that vacuum interrupter arc extinguishing, volume are little, insulation property are reliable, modularization standardization, use safety, the non-maintaining volume simultaneously reducing joined switchgear.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is sectional structure schematic diagram of the present utility model.
In figure, 1 for insulating cylinder, 2 for vacuum interrupter, 3 for charged display transducer, 4 for inlet-outlet sleeve, 5 for line conducting rod, 6 for screening cover, 7 for earth terminal fixed contact hold-down nut, 8 for earth terminal static contact and insulation full skirt, 9 for main bus bar sleeve pipe, 10 for bus conductive rod, 11 for isolation end static contact and insulation full skirt, 12 for seal groove, 13 for rear gathering sill, 14 for front gathering sill, 15 for location notch, 16 for embedded nut, 17 for through hole, 18 for observation window, 19 for arc control device insulation full skirt, 20 for M8 copper embedded nut, 21 be reinforcement, 22 for climbing skirt.
Embodiment
As shown in the figure, a kind of main insulation body for solid-state insulated switchgear of the utility model, it is characterized in that: comprise insulating cylinder 1, vacuum interrupter 2, charged display transducer 3, inlet-outlet sleeve 4, line conducting rod 5, screening cover 6, earth terminal fixed contact hold-down nut 7, earth terminal static contact and insulation full skirt 8, main bus bar sleeve pipe 9, bus conductive rod 10, isolation end static contact and insulation full skirt 11, seal groove 12, rear gathering sill 13, front gathering sill 14, location notch 15, embedded nut 16, through hole 17, observation window 18, arc control device insulation full skirt 19, M8 copper embedded nut 20, reinforcement 21, climb skirt 22, described insulating cylinder 1 inside is provided with cavity, described vacuum interrupter 2 is arranged at the front portion at the bottom of insulating cylinder 1 inner chamber, and top and the bottom of vacuum interrupter 2 are provided with screwed hole, and is provided with arc control device insulation full skirt 19 on the top of vacuum interrupter 2, described charged display transducer 3 inductive means is φ 50 gauze screen, and φ 50 gauze screen is enclosed within the outside of line conducting rod 5, and charged display transducer 3 display unit is connected with outside by M3 screwed hole, described inlet-outlet sleeve 4 is positioned at the bottom of insulating cylinder 1 front end, forms the frustum of a cone protruding from insulating cylinder 1 front-end surface, described line conducting rod 5 is arranged in inlet-outlet sleeve 4, and one end of line conducting rod 5 is connected with vacuum interrupter 2 by bolt, and the other end is provided with internal thread, described screening cover 6 is positioned at line conducting rod 5 and vacuum interrupter 2 junction, described earth terminal fixed contact hold-down nut 7 is arranged at the centre position of bottom in insulating cylinder 1 chamber, described earth terminal static contact and insulation full skirt 8 is arranged at the top of earth terminal fixed contact hold-down nut 7, described main bus bar sleeve pipe 9 is positioned at insulating cylinder 1 lower-end rear portion, forms the frustum of a cone protruding from insulating cylinder 1 rear surface, described bus conductive rod 10 is positioned at main bus bar sleeve pipe 9, and two ends are provided with internal thread, described isolation end static contact and insulation full skirt 11 is positioned at the top of bus conductive rod 10, described seal groove 12 is annular, is arranged on the upper surface of insulating cylinder 1, is provided with sealing ring in seal groove 12, described rear gathering sill 13 quantity is 2, is symmetricly set on insulating cylinder 1 inner chamber two side, described front gathering sill 14 quantity is 2, is symmetricly set on insulating cylinder 1 inner chamber two side, described location notch 15 quantity is 4, is positioned at the top on rear gathering sill 13 and front gathering sill 14 top, described embedded nut 16 quantity is 13, is uniformly distributed in the upper surface of insulating cylinder 1 along seal groove 12, described through hole 17 is arranged at the top of insulating cylinder 1 front end, described observation window 18 covers through hole 17 completely, and is fixedly mounted on insulating cylinder 1 front end upper surface by bolt and sealing ring, described M8 copper embedded nut 20 quantity is 4, is arranged at insulating cylinder 1 front lower portion, and is evenly distributed on the surrounding of inlet-outlet sleeve 4, described reinforcement 21 symmetry be distributed on insulating cylinder 1 inner chamber two side, described to climb skirt 22 quantity be 3 roads, is arranged at insulating cylinder 1 intracavity bottom, between earth terminal static contact and insulation full skirt 8 and isolation end static contact and insulation full skirt 11.
The material of described insulating cylinder 1 is epoxy resin, adopts automatic pressure gelation process (APG) cast to form.Insulating cylinder 1 outer surface has zinc coat or semi-conductive layer, and the effect played uniform electric field, avoid charge buildup, suppress phase fault and prevent operating personnel from getting an electric shock, improves usage safety performance.
Described vacuum interrupter 2 is circuit breaker vacuum interrupter or vacuum arc extinguishing chamber for loading switch.
Described vacuum interrupter 2 outer surface adopts silicon rubber to carry out encapsulate.
Described inlet-outlet sleeve 4, main bus bar sleeve pipe 9 are the European standard taper of IEC of 630A, and this design is more suitable for electric cable accessories, the standardization of main bus bar system, supporting and installation.
Described screening cover 6 plays good electric field shielding and makes to be uniformly distributed the effect of electric field.
Described earth terminal fixed contact hold-down nut 7 is for dead earth end fixed contact.
The earth terminal insulation full skirt 8 that insulating cylinder 1 chamber inner bottom part is arranged, isolation end insulation full skirt 11, arc control device insulation full skirt 19 and climb skirt 22, increase creepage distance, improve insulation property.In insulating cylinder 1 chamber both sides inwall on the reinforcement 21 that arranges improve the mechanical strength of insulating cylinder 1.
The upper end of described bus conductive rod 10 is provided with internal thread hole, for the installation of isolation knife fixed contact.
The seal groove 12 that insulating cylinder 1 upper surface is arranged, inside is provided with sealing ring, plays the effect of sealing, avoids dust, moisture enters in the chamber of insulating cylinder 1.
The front gathering sill 14 that in insulating cylinder 1 chamber, both sides are arranged, guide function when rear gathering sill 13 moves up and down for joined isolation knife moving contact.
Location notch 15 above front gathering sill 14, rear gathering sill 13 is by being joined locating groove when isolation knife moving contact is installed.
The embedded nut 16 that insulating cylinder 1 upper surface is arranged is for the fixed installation of main insulation body.
Be positioned at the through hole 17 of insulating cylinder 1 upper front end and observation window 18 for observing the splitting or integrating lock state of joined isolation knife and earthing.
Described M8 copper embedded nut 20 quantity is 4, is arranged at insulating cylinder 1 front lower portion, and is evenly distributed on the surrounding of inlet-outlet sleeve 4, and fixing for insulating cylinder 1, also can be used for the fixed installation of institute's distribution current transformer.
The utility model is unit-modularized structure, insulating cylinder 1 inner chamber also can install the dynamic of isolation knife, fixed contact, ground connection conducting rod and connect being flexible coupling of vacuum interrupter 2 and fixed contact, by all primary conductive loops, isolation knife, earthing is all enclosed in the insulating cylinder 1 by poured with epoxy resin, insulating cylinder 1 outer surface has zinc coat or semi-conductive layer, and reliable ground, live part realizes full-insulated full-sealed, improve insulating reliability and safety in utilization, degree of protection IP67, overcome current gas-insulated ring network cabinet phase insulation, the deficiency of the aspects such as arc-extinguishing medium, and avoid because using SF
6gas and the SF caused
6the discharge of gas and analyte thereof or leak the pollution to air and the injury to human body.
Claims (5)
1. the main insulation body for solid-state insulated switchgear, it is characterized in that: comprise insulating cylinder (1), vacuum interrupter (2), charged display transducer (3), inlet-outlet sleeve (4), line conducting rod (5), screening cover (6), earth terminal fixed contact hold-down nut (7), earth terminal static contact and insulation full skirt (8), main bus bar sleeve pipe (9), bus conductive rod (10), isolation end static contact and insulation full skirt (11), seal groove (12), rear gathering sill (13), front gathering sill (14), location notch (15), embedded nut (16), through hole (17), observation window (18), arc control device insulation full skirt (19), M8 copper embedded nut (20), reinforcement (21), climb skirt (22), described insulating cylinder (1) inside is provided with cavity, described vacuum interrupter (2) is arranged at the front portion at the bottom of insulating cylinder (1) inner chamber, top and the bottom of vacuum interrupter (2) are provided with screwed hole, and are provided with arc control device insulation full skirt (19) on the top of vacuum interrupter (2), described charged display transducer (3) inductive means is φ 50 gauze screen, and φ 50 gauze screen is enclosed within the outside of line conducting rod (5), and charged display transducer (3) display unit is connected with outside by M4 screwed hole, described inlet-outlet sleeve (4) is positioned at the bottom of insulating cylinder (1) front end, forms the frustum of a cone protruding from insulating cylinder (1) front-end surface, described line conducting rod (5) is arranged in inlet-outlet sleeve (4), and one end of line conducting rod (5) is connected with vacuum interrupter (2) by bolt, and the other end is provided with internal thread, described screening cover (6) is positioned at line conducting rod (5) and vacuum interrupter (2) junction, described earth terminal fixed contact hold-down nut (7) is arranged at the centre position of bottom in insulating cylinder (1) chamber, described earth terminal static contact and insulation full skirt (8) is arranged at the top of earth terminal fixed contact hold-down nut (7), described main bus bar sleeve pipe (9) is positioned at insulating cylinder (1) lower-end rear portion, forms the frustum of a cone protruding from insulating cylinder (1) rear surface, described bus conductive rod (10) is positioned at main bus bar sleeve pipe (9), and two ends are provided with internal thread, described isolation end static contact and insulation full skirt (11) is positioned at the top of bus conductive rod (10), described seal groove (12) is annular, and be arranged on the upper surface of insulating cylinder (1), seal groove is provided with sealing ring in (12), described rear gathering sill (13) quantity is 2, is symmetricly set on insulating cylinder (1) inner chamber two side, described front gathering sill (14) quantity is 2, is symmetricly set on insulating cylinder (1) inner chamber two side, described location notch (15) quantity is 4, is positioned at the top on rear gathering sill (13) and front gathering sill (14) top, described embedded nut (16) quantity is 13, is uniformly distributed in the upper surface of insulating cylinder (1) along seal groove (12), described through hole (17) is arranged at the top of insulating cylinder (1) front end, described observation window (18) covers through hole (17) completely, and is fixedly mounted on insulating cylinder (1) front end upper surface by bolt and sealing ring, described M8 copper embedded nut (20) quantity is 4, is arranged at insulating cylinder (1) front lower portion, and is evenly distributed on the surrounding of inlet-outlet sleeve (4), what described reinforcement (21) was symmetrical is distributed on insulating cylinder (1) inner chamber two side, described to climb skirt (22) quantity be 3 roads, is arranged at insulating cylinder (1) intracavity bottom, is positioned between earth terminal static contact and insulation full skirt (8) and isolation end static contact and insulation full skirt (11).
2. a kind of main insulation body for solid-state insulated switchgear according to claim 1, is characterized in that: described vacuum interrupter (2) is circuit breaker vacuum interrupter or vacuum arc extinguishing chamber for loading switch.
3. a kind of main insulation body for solid-state insulated switchgear according to claim 1 and 2, is characterized in that: described vacuum interrupter (2) outer surface is provided with silastic-layer.
4. a kind of main insulation body for solid-state insulated switchgear according to claim 1, it is characterized in that: described insulating cylinder (1) outer surface has zinc coat or semi-conductive layer, wherein the outer surface of the outer surface of line cover (4), main bus bar sleeve pipe (9), observation window (18) and insulating cylinder (1) faying face and with M3 screwed hole for the center of circle with 1.2cm be radius disc on not this zinc coat or semi-conductive layer.
5. a kind of main insulation body for solid-state insulated switchgear according to claim 1, is characterized in that: described inlet-outlet sleeve (4), main bus bar sleeve pipe (9) are the European standard taper of IEC of 630A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420559814.4U CN204068009U (en) | 2014-09-24 | 2014-09-24 | A kind of main insulation body for solid-state insulated switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420559814.4U CN204068009U (en) | 2014-09-24 | 2014-09-24 | A kind of main insulation body for solid-state insulated switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204068009U true CN204068009U (en) | 2014-12-31 |
Family
ID=52209457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420559814.4U Withdrawn - After Issue CN204068009U (en) | 2014-09-24 | 2014-09-24 | A kind of main insulation body for solid-state insulated switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204068009U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201595A (en) * | 2014-09-24 | 2014-12-10 | 吉林省金冠电气股份有限公司 | Main insulator used for solid insulating switch equipment |
| CN104577859A (en) * | 2015-01-30 | 2015-04-29 | 吉林省金冠电气股份有限公司 | Solid insulated switch module of solid insulated switch equipment |
-
2014
- 2014-09-24 CN CN201420559814.4U patent/CN204068009U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201595A (en) * | 2014-09-24 | 2014-12-10 | 吉林省金冠电气股份有限公司 | Main insulator used for solid insulating switch equipment |
| CN104577859A (en) * | 2015-01-30 | 2015-04-29 | 吉林省金冠电气股份有限公司 | Solid insulated switch module of solid insulated switch equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141231 Effective date of abandoning: 20160420 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |