CN204230090U - Main switch assembly - Google Patents
Main switch assembly Download PDFInfo
- Publication number
- CN204230090U CN204230090U CN201420709301.7U CN201420709301U CN204230090U CN 204230090 U CN204230090 U CN 204230090U CN 201420709301 U CN201420709301 U CN 201420709301U CN 204230090 U CN204230090 U CN 204230090U
- Authority
- CN
- China
- Prior art keywords
- insulating body
- main switch
- switch assembly
- arc
- conducting rod
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000002955 isolation Methods 0.000 claims description 20
- 239000004020 conductor Substances 0.000 claims description 13
- 210000001503 joint Anatomy 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 description 9
- 230000007613 environmental effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 239000005431 greenhouse gas Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Abstract
The utility model relates to a kind of main switch assembly, and it comprises the insulating body electrical module of main switch assembly being carried out to sealing, and the outer surface of described insulating body has ground plane.The purpose of this utility model is to provide a kind of can reduce the spacing with other electric component, the miniaturized and fail safe by switch cubicle, the main switch assembly that connection reliability is strong.
Description
Technical field
The utility model relates to a kind of main switch assembly.
Background technology
Switch cubicle miniaturization is in recent years the study hotspot in industry.Current domestic 10kV switch cubicle majority adopts stuck-module to be formed by connecting by bus, and its air distance realizes in strict accordance with 125mm, and therefore cupboard volume is comparatively large, and environment for use is also restricted; And miniaturized switch cubicle majority adopts gas-filling cabinet scheme to meet to reduce alternate and relatively insulation distance.Because filled SF6 gas belongs to greenhouse gas, do not belong to popularization series products.In order to make up the shortcomings such as greenhouse effect, the easily gas leakage of SF6 gas-filling cabinet, and the shortcoming that air insulation switch cubicle floor space is large.Instantly, be necessary to develop a kind of new switching equipment, can small form factor requirements be met, not use greenhouse gas again, meet the requirement of environmental protection.
Summary of the invention
The purpose of this utility model is to provide a kind of can reduce the spacing with other electric component, the miniaturized and fail safe by switch cubicle, the main switch assembly that connection reliability is strong.
The purpose of this utility model is achieved through the following technical solutions:
A kind of main switch assembly, it comprises the insulating body electrical module of main switch assembly being carried out to sealing, and the outer surface of described insulating body has ground plane.
Compared to prior art, the utility model has the advantage of:
1. by insulating material such as epoxy resin by disposable for the section components of the electrical module of main switch assembly injection-compression molding, and at the outer surface ground plane of insulating body that insulating material is formed, reach uniform electric field shielding and the effect of reliable ground, increase the person and equipment property safe and reliable to operation, and its appearance can directly touch, even and if be close together between two-phase pole and also can not reduce phase insulation, phase spacing narrows down to the limit, make the spacing between main switch assembly, the spacing of main switch assembly and other electric component, alternate and over the ground the safe insulation distance of inside switch cabinet shortens to 6-8mm from air-insulated 125mm, substantially reduce the volume of switch cubicle,
2. this main switch assembly can use in the place of bad environments, and has really accomplished that switch cabinet is non-maintaining;
3. this main switch assembly is in use without the discharge of any noxious substance and greenhouse gas, meets environmental requirement completely;
4. the interface size highly versatile of the taper butt joint of main switch assembly, can utilize existing general plug connector to be electrically connected easily, and guarantee that it is reliably connected with other electric component;
5. modular design can the most reasonably reduce number of molds, improves product versatility, is conveniently connected.
Accompanying drawing explanation
Fig. 1 is the using state perspective view of a kind of embodiment of the utility model.
Fig. 2 is the diagrammatic side views of Fig. 1 embodiment.
Fig. 3 is the diagrammatic cross-sectional view of Fig. 1 embodiment.
Fig. 4 is the diagrammatic cross-sectional view of main switch assembly.
Fig. 5 is the A-A diagrammatic cross-sectional view of Fig. 4.
Label declaration: 1 main switch assembly, 11 insulating bodies, 111 driving section cavity volumes, 112 insulated end covers, 1121 sealing convex edges, 113 taper butt joints, 114 taper butt joints, 115 convex annular edges, 116 convex annular edges, 12 ground planes, 13 isolation switch contacts, 14 on-load switch arc control device or arc-extinguishing chamber of circuit breaker, 15 are flexible coupling conductor, 16 transmission insulated tension poles, 161 operating mechanism gangbar, conducting rod on 17, 171 charged display shading rings, 18 times conducting rods, 181 charged display shading rings, 19 metal screens, 110 operating mechanisms, 2 fuse assembly 3 busbar assemblies, 4 switch cabinets.
Embodiment
Below in conjunction with Figure of description and embodiment, the utility model content is described in detail:
The embodiment schematic diagram of a kind of main switch assembly provided for the utility model as shown in Figures 1 to 5.
A kind of main switch assembly, it is characterized in that: it comprises the insulating body 11 electrical module of main switch assembly 1 being carried out to sealing, the outer surface of described insulating body 11 has ground plane 12,22.Insulating body 11 generally adopts the solid insulating materials such as epoxy resin to make; Ground plane 12,22 is generally the metal coatings such as spray zinc layers.The outer surface of insulating body 11 adopts metallizing particle coating to be reliably connected with earth potential, high-pressure conductor forms the electrode structure of all pressing by appropriate design, form high-low pressure two current potentials with external ground layer 12, centre forms reliable and stable High-Voltage Insulation by certain thickness solid insulation matrix.Therefore, solid insulation design makes the original air type structure of overall structure volume ratio reduce 2/3, and insulation property do not change because of the impact of height above sea level and other outside environmental elements simultaneously.
Described main switch assembly 1 also comprises the isolation switch contact 13 be embedded in insulating body 11, on-load switch arc control device in insulating body 11 or arc-extinguishing chamber of circuit breaker 14 is embedded at side by side with isolation switch contact 13, be connected between the moved end of isolation switch contact 13 and the moved end of on-load switch arc control device or arc-extinguishing chamber of circuit breaker 14 and middle part and be fixed on the conductor 15 that is flexible coupling on insulating body 11, two transmission insulated tension poles 16 of connecting corresponding to the moved end of isolation switch contact 13 and the moved end of on-load switch arc control device or arc-extinguishing chamber of circuit breaker 14 respectively, the upper conducting rod 17 be electrically connected with the quiet end of isolation switch contact 13 and the lower conducting rod 18 be electrically connected with the quiet end of on-load switch arc control device or arc-extinguishing chamber of circuit breaker 14, the earth terminal of described isolation switch contact 13 stretches out outside insulating body 11.Upper conducting rod 17 and lower conducting rod 18 are embedded in main switch insulating body 11.The earth terminal of isolation switch contact 13 is electrically connected with the earthing bar be located in switch cabinet 4.Isolation switch contact 13 adopts vacuum arc extinguish chamber structure sealing in insulating body 11, drive transmission insulated tension pole 16 (being generally that epoxy resin one-shot forming is made) to carry out coordinated signals by operating mechanism 110, meet combined floodgate, isolation, ground connection three station manipulations.On-load switch arc control device or arc-extinguishing chamber of circuit breaker 14 adopt that vacuum arc extinguish chamber structure is parallel is placed on isolation switch contact 13 lower end equally, and by being flexible coupling, isolation switch contact 13 is contacted with it by conductor 15, meets the demand of electric loop connecting-disconnecting function.Described isolation switch contact 13 can adopt vacuum arc extinguish chamber structure to carry out vacuum insulation process.
Described insulating body 11 front end offers the driving section cavity volume 111 of accommodating be flexible coupling conductor 15 and transmission insulated tension pole 16; The external port of described driving section cavity volume 111 is provided with the insulated end cover 112 of closed driving section cavity volume 111, and described insulated end cover 112 is provided with the through hole supplying the gangbar 161 of the operating mechanism 110 be connected with transmission insulated tension pole 16 to pass.By insulated end cover 112 by isolated to driving section cavity volume 111 and external environment condition, ensure the stable of the air conditions in driving section cavity volume 111, main switch assembly 1 can normally be worked in any environment, not by outside harsh environmental effects.Described driving section cavity volume 111 also ensure that the safe distance be applicable between electric component and external environment condition be placed in wherein.
For improving sealing and making insulated end cover 112 seal location better, described insulated end cover 112 is provided with the sealing convex edge 1121 embedding the groove be positioned on insulating body 11.
Described main switch assembly 1 also comprises and is surrounded on the outer and metal screen 19 be embedded in insulating body 11 of the conductor 15 that is flexible coupling, and described metal screen 19 is for enclosed construction and be electrically connected with the conductor 15 that is flexible coupling.Owing to being flexible coupling, conductor 15 place place is transmission insulated tension pole 16, the moved end of isolation switch contact 13, its tip, junction is more mutually for the moved end of on-load switch arc control device or arc-extinguishing chamber of circuit breaker 14 and the conductor 15 that is flexible coupling, the setting of metal screen 19 can the Electric Field Distribution at even this place, improves coefficient of safety.Described metal screen 19 can be network structure.
Described insulating body 11, its two ends being positioned at conducting rod 17 interface and lower conducting rod 18 interface is the taper butt joint 113,114 of the outer bevel-type Structure composing of employing standard, the uncoated ground plane 12 of outer surface of taper butt joint 113,114.The bottom of described taper butt joint 113,114 is provided with convex annular along 115,116.The junction of described taper butt joint 113,114 and insulating body 11 main body is provided with around upper conducting rod 17 or lower conducting rod 18 and is embedded at the charged display shading ring 171,181 in insulating body 11.Because taper butt joint 113,114 adopts the outer bevel-type structure of standard, therefore it can carry out being connected with other electric component (as cable joint) on demand very easily and expands.Convex annular is located at the bottom of taper butt joint 113,114 and near ground plane 12 place, it plays the effect of even ground plane 12 and the electric field of the intersection of uncoated ground plane 12 along 115,116.Utilize charged display shading ring 171,181 to respond to and obtain capacitance signal to realize detecting the function of charged situation.
As Fig. 2 and Fig. 4, consider that two electric components in insulating body 11 can according to the mode of connection arbitrary assembling of primary system, the profile of insulating body 11 can symmetrically property be arranged in parallel, taper joint 113,114 is symmetrical arranged completely up and down, reach the mode that a secondary mould realizes two kinds of electric components independent assortment as required, plug easy to connect with other electric component simultaneously.
The electric interfaces part of main switch assembly 1, fuse assembly 2 and busbar assembly 3 all adopts the outer bevel-type structure of standard to be convenient to electrical connection.
Claims (8)
1. a main switch assembly, it is characterized in that: it comprises the insulating body (11) electrical module of main switch assembly (1) being carried out to sealing, the outer surface of described insulating body (11) has ground plane (12).
2. main switch assembly according to claim 1, it is characterized in that: described main switch assembly (1) also comprises the isolation switch contact (13) be embedded in insulating body (11), on-load switch arc control device in insulating body (11) or arc-extinguishing chamber of circuit breaker (14) is embedded at side by side with isolation switch contact (13), be connected between the moved end of isolation switch contact (13) and the moved end of on-load switch arc control device or arc-extinguishing chamber of circuit breaker (14) and middle part and be fixed on the conductor that is flexible coupling (15) on insulating body (11), two transmission insulated tension poles (16) of connecting corresponding to the moved end of isolation switch contact (13) and the moved end of on-load switch arc control device or arc-extinguishing chamber of circuit breaker (14) respectively, the upper conducting rod (17) be electrically connected with the quiet end of isolation switch contact (13) and the lower conducting rod (18) be electrically connected with the quiet end of on-load switch arc control device or arc-extinguishing chamber of circuit breaker (14), the earth terminal of described isolation switch contact (13) stretches out insulating body (11) outward.
3. main switch assembly according to claim 2, is characterized in that: described insulating body (11) front end offers the driving section cavity volume (111) of the accommodating conductor that is flexible coupling (15) and transmission insulated tension pole (16); The external port of described driving section cavity volume (111) is provided with the insulated end cover (112) of closed driving section cavity volume (111), and described insulated end cover (112) is provided with the through hole supplying the gangbar (161) of the operating mechanism be connected with transmission insulated tension pole (16) to pass.
4. main switch assembly according to claim 3, is characterized in that: described insulated end cover (112) is provided with the sealing convex edge (1121) that embedding is positioned at the groove on insulating body (11).
5. main switch assembly according to claim 2, it is characterized in that: described main switch assembly (1) also comprises and is surrounded on the conductor that is flexible coupling (15) and the metal screen (19) be embedded in insulating body (11) outward, described metal screen (19) is for enclosed construction and be electrically connected with the conductor that is flexible coupling (15).
6. main switch assembly according to claim 2, it is characterized in that: described insulating body (11), its two ends being positioned at conducting rod (17) interface and lower conducting rod (18) interface is the taper butt joint (113,114) of employing standard outer cone Structure composing, the uncoated ground plane of outer surface (12) of taper butt joint (113,114).
7. main switch assembly according to claim 6, is characterized in that: the bottom of described taper butt joint (113,114) is provided with convex annular along (115,116).
8. main switch assembly according to claim 6, is characterized in that: described taper butt joint (113,114) is provided with around upper conducting rod (17) or lower conducting rod (18) with the junction of insulating body (11) main body and is embedded at the charged display shading ring (171,181) in insulating body (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420709301.7U CN204230090U (en) | 2014-11-21 | 2014-11-21 | Main switch assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420709301.7U CN204230090U (en) | 2014-11-21 | 2014-11-21 | Main switch assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204230090U true CN204230090U (en) | 2015-03-25 |
Family
ID=52928157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201420709301.7U Expired - Fee Related CN204230090U (en) | 2014-11-21 | 2014-11-21 | Main switch assembly |
Country Status (1)
Country | Link |
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CN (1) | CN204230090U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106373823A (en) * | 2016-12-07 | 2017-02-01 | 协成科技股份有限公司 | Load switch-fuse combined electric appliance |
CN108091519A (en) * | 2018-01-25 | 2018-05-29 | 珠海康晋电气股份有限公司 | A kind of tangibly pole device |
-
2014
- 2014-11-21 CN CN201420709301.7U patent/CN204230090U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106373823A (en) * | 2016-12-07 | 2017-02-01 | 协成科技股份有限公司 | Load switch-fuse combined electric appliance |
CN106373823B (en) * | 2016-12-07 | 2020-02-04 | 协成科技股份有限公司 | Load switch-fuse combined electrical apparatus |
CN108091519A (en) * | 2018-01-25 | 2018-05-29 | 珠海康晋电气股份有限公司 | A kind of tangibly pole device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 |