CN102227058B - Solid-insulated vacuum ring main unit and system thereof - Google Patents
Solid-insulated vacuum ring main unit and system thereof Download PDFInfo
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- CN102227058B CN102227058B CN201110060900.1A CN201110060900A CN102227058B CN 102227058 B CN102227058 B CN 102227058B CN 201110060900 A CN201110060900 A CN 201110060900A CN 102227058 B CN102227058 B CN 102227058B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 230000033001 locomotion Effects 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims description 29
- 238000002955 isolation Methods 0.000 claims description 12
- 239000000306 component Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 7
- 238000005086 pumping Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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Abstract
The invention discloses a solid-insulated vacuum ring main unit, which comprises a grounding switch assembly and a grounding transfer bar. Two ends of the grounding transfer bar are respectively connected engagedly with an auxiliary grounding transmission part and a main grounding transmission part, wherein the auxiliary grounding transmission part is connected with an auxiliary grounding contact to form an auxiliary grounding transmission assembly and the main grounding transmission part is connected with a main grounding contact to form a main grounding transmission assembly. A turning effort output by the grounding switch assembly drives the auxiliary grounding transmission assembly and the main grounding transmission assembly to make reciprocating motions through transmission of the grounding transfer bar. Moreover, the invention also discloses a system of the solid-insulated vacuum ring main unit. According to the solid-insulated vacuum ring main unit and the system thereof of the embodiment of the invention, functions of disconnection and grounding of a wire outlet loop of the solid-insulated vacuum ring main unit are allowed; besides, the ring main unit has advantages of simple structure, easy operation and safety and reliability.
Description
Technical field
The present invention relates to, for electrical domain, relate in particular to a kind of solid isolated vacuum ring main unit and system thereof.
Background technology
Current urban electricity supply network mainly adopts ring network power supply pattern, and ring network power supply pattern can improve the reliability of power supply, and user can obtain power supply from two ends, the power failure area of minimizing accident; Ring main unit is exactly the medium-voltage equipment for ring network power supply, and its core component is on-load switch and on-load switch-fuse combined electric apparatus.That ring main unit has is simple in structure, volume is little, price is low, can improve the advantages such as power supply parameter, performance and power supply safety; and power supply safety, protection citizen's life, property safety always are the problem that power supply department is paid close attention to; only have protection citizen life, property safety that ground connection that power supplying and distributing equipment is reliable, good could be truly, reduce breakdown loss.
On-load switch-fuse combined electric apparatus in existing ring main unit structure is the core component of solid isolated vacuum ring main unit, and it has short-circuit protection function, and cost is lower than breaker cabinet, and protection speed is faster than breaker cabinet.In the process of fixing a breakdown at transformer internal short-circuit; on-load switch-fuse combined electric apparatus has unique protection advantage; therefore; the use amount of on-load switch-fuse combination electrical cabinet is almost occupied the quantity of half in whole ring main unit; and on-load switch-fuse combination electrical cabinet in current solid isolated vacuum ring main unit both domestic and external all adopts single grounding system, single grounding system brings very large trouble to the part replacement of the on-load switch-fuse combination electrical cabinet of operating solid isolated vacuum ring main unit.As the replacing of fuse, generally all need first transmission line circuit to be carried out to electrical verification, confirm that line loop just can change fuse after not charged; So just need operating personnel to carry electroscopy equipment, and can, because the not electrical verification that operating personnel are careless or other reason causes just directly goes to change the misoperation of fuse, bring hidden danger to operating personnel's personal safety.
In addition, the fuse blows of single grounding system can not be carried out reliable ground to leading-out terminal later, and then causes operating personnel's next stage operation to can not get reliably protecting, brings hidden danger to operating personnel's personal safety.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, a kind of solid isolated vacuum ring main unit and system thereof are provided, realized that solid isolated vacuum ring main unit transmission line circuit disconnects and the function of ground connection, simple in structure, easy to operate, safe and reliable, there will not be misoperation.
In order to solve the problems of the technologies described above, the embodiment of the present invention provides a kind of solid isolated vacuum ring main unit and system thereof, comprise: earthed switch assembly and the ground connection drive link being connected with described earthed switch assembly, the two ends of described ground connection drive link be connected with a joggle respectively auxiliary earth driving section and main ground connection driving section, described auxiliary earth driving section is connected with an auxiliary earth contact and forms auxiliary earth transmission component, and described main ground connection driving section is connected with a main grounding contact and forms main ground connection transmission component;
Rotatory force by described earthed switch assembly output drives respectively described auxiliary earth transmission component and described main ground connection transmission component to move back and forth through the transmission of described ground connection drive link.
Described earthed switch assembly and described ground connection drive link are in transmission connection by elastic cylindrical pin, the rotation direction contrary of the rotation direction of described earthed switch assembly and described ground connection drive link;
The two ends of described ground connection drive link are connected the first gear are set by elastic cylindrical pin respectively, described the first gear respectively with described auxiliary earth driving section and described main ground connection driving section on the second gear of installing be connected with a joggle.
Described auxiliary earth contact comprises a moving contact, and the described moving contact of described auxiliary earth contact and described auxiliary earth driving section are bolted;
Described the first gear and described the second gear are meshed and drive the described moving contact of described auxiliary earth contact to do the reciprocating motion perpendicular with described ground connection drive link place direction.
Described main grounding contact comprises a moving contact, and the described moving contact of described main grounding contact and described main ground connection driving section are bolted;
Described the first gear and described the second gear are meshed and drive the described moving contact of described main grounding contact to do the reciprocating motion perpendicular with described ground connection drive link place direction.
Preferably, described ground connection drive link is identical with the gearratio of described ground connection drive link and described main ground connection driving section with the gearratio of described auxiliary earth driving section.
Described solid isolated vacuum ring main unit also comprises at least two contacts for closing a floodgate mutually and be connected with described auxiliary earth contact, described main grounding contact, and at least two described contacts and the distance of described ground connection drive link are set to not equidistant.
The invention also discloses a kind of solid isolated vacuum ring main unit system, comprise the main grounding system mainly being formed by earthed switch assembly, ground connection drive link, main ground connection driving section, main grounding contact and main earthing contact and the auxiliary earth system mainly being formed by auxiliary earth driving section, auxiliary earth contact and auxiliary earth contact;
Described earthed switch assembly and described ground connection drive link are in transmission connection by elastic cylindrical pin, the two ends of described ground connection drive link be connected with a joggle respectively described auxiliary earth driving section and described main ground connection driving section, drive respectively described auxiliary earth driving section and described main ground connection driving section to move back and forth by the rotatory force of described earthed switch assembly output through the transmission of described ground connection drive link;
Described main grounding contact is connected with described main ground connection driving section, and the moving contact of described main grounding contact can close a floodgate or separating brake with described main earthing contact under the band of described main ground connection driving section;
Described auxiliary earth contact is connected with described auxiliary earth driving section, and described auxiliary earth contact can close a floodgate or separating brake with described auxiliary earth contact under the band of described auxiliary earth driving section.
Described main grounding system also comprises isolation fixed contact, vacuum interrupter, high-tension fuse and outlet casing tube, one end of described isolation fixed contact is connected with the fixed contact of described main grounding contact, the accessible loop being connected successively by described vacuum interrupter, described high-tension fuse and described outlet casing tube of the other end of described isolation fixed contact.
Described auxiliary earth contact comprises moving contact and fixed contact, and the described moving contact of described auxiliary earth contact and described auxiliary earth driving section are bolted, and described fixed contact and the described outlet casing tube of described auxiliary earth contact are bolted.
Preferably, described high-tension fuse arranges a plurality of ports of drawing, and described main earthing contact can be accessed by the arbitrary of described isolation fixed contact or described vacuum interrupter or described high-tension fuse and draws on port;
Described auxiliary earth contact can be accessed by the arbitrary of described high-tension fuse and draws on port.
Implement solid isolated vacuum ring main unit and the system thereof of the embodiment of the present invention, have following beneficial effect, the rotatory force of being exported by earthed switch assembly drives respectively auxiliary earth driving section and main ground connection driving section to move back and forth through the transmission of described ground connection drive link; The moving contact of described main grounding contact can close a floodgate or separating brake with main earthing contact under the band of main ground connection driving section; Auxiliary earth contact can close a floodgate or separating brake with auxiliary earth contact under the band of auxiliary earth driving section, thereby realize, transmission line circuit disconnects and the function of ground connection, simple in structure, easy to operate, safe and reliable, there will not be misoperation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, the accompanying drawing that obtains other according to these accompanying drawings still belongs to category of the present invention.
Fig. 1 is the partial structurtes schematic diagram of a kind of solid isolated vacuum ring main unit of the embodiment of the present invention and system thereof.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail.
In conjunction with reference to shown in Fig. 1, the disclosed a kind of solid isolated vacuum ring main unit of the embodiment of the present invention, comprise: earthed switch assembly 1 and the ground connection drive link 2 being connected with described earthed switch assembly 1, the two ends of described ground connection drive link 2 be connected with a joggle respectively auxiliary earth driving section 31 and main ground connection driving section 41, described auxiliary earth driving section 31 and an auxiliary earth contact 32 are connected to form auxiliary earth transmission component 3, described main ground connection driving section 41 and one main grounding contact 42 is connected to form main ground connection transmission component 4, rotatory force by described earthed switch assembly 1 output drives respectively described auxiliary earth transmission component 3 and described main ground connection transmission component 4 to move back and forth through the transmission of described ground connection drive link 2.
It is distolateral that earthed switch assembly 1 is positioned at the top of solid isolated vacuum ring main unit as shown in Figure 1, ground connection drive link 2 is bodys that two ends have opening, its openend is connected on earthed switch assembly 1 by elastic cylindrical pin, during 1 rotation of earthed switch assembly, ground connection drive link 2 is stressed to be rotated accordingly, in the present embodiment, the rotation direction contrary of the rotation direction of earthed switch assembly 1 and ground connection drive link 2, for example, when earthed switch assembly 1 clockwise rotates, ground connection drive link 2 rotates counterclockwise accordingly, and vice versa.Certainly, both rotation directions can be adjusted according to the structure of product reality, as long as can drive 2 rotations of ground connection drive link while meeting 1 rotation of earthed switch assembly.
The two ends of ground connection drive link 2 are connected the first gear are set by elastic cylindrical pin respectively, the first gear respectively with auxiliary earth driving section 31 and main ground connection driving section 41 on the second gear of installing be connected with a joggle, when being connected with a joggle, the first gear and the second gear form engaging piece 20 as shown in the figure, engaging piece 20 is positioned at the rear and front end of ground connection drive link 2, when ground connection drive link 2 rotates, by the gearing of engaging piece 20, the auxiliary earth driving section 31 being connected with engaging piece 20 and main ground connection driving section 41 will be driven and move back and forth.
During concrete enforcement, auxiliary earth contact 32 and main grounding contact 42 all arrange moving contact and fixed contact, both moving contacts of auxiliary earth contact 32 and main grounding contact 42 arrange and are connected with main ground connection driving section 41 with auxiliary earth driving section 31 respectively, as the moving contact of auxiliary earth contact 32 is connected with auxiliary earth driving section 31 by bolt, the moving contact of main grounding contact 42 is arranged and is connected with main ground connection driving section 41 by bolt, when the 20 transmissions drives of the engaged portion in auxiliary earth driving section 31 and main ground connection driving section 41 move back and forth, the moving contact of the moving contact of auxiliary earth contact 32 and main grounding contact 42 will be done pumping as shown in the figure.
Understandable, ground connection drive link 2 also can be connected with main ground connection driving section 41 with auxiliary earth driving section 31 by other connected modes, and auxiliary earth driving section 31 also can adopt other the common interference modes except bolt to be connected with main grounding contact 42 with auxiliary earth contact 32 with main ground connection driving section 41.During concrete enforcement, auxiliary earth driving section 31 is connected with auxiliary earth contact 32 and forms auxiliary earth transmission component 3, main ground connection driving section 41 is connected with main grounding contact 41 and forms main ground connection transmission component 4, as long as the rotatory force meeting by 1 output of earthed switch assembly drives respectively auxiliary earth transmission component 3 and main ground connection transmission component 4 to move back and forth through the transmission of ground connection drive link 2.
Preferably, engaging piece 20 drives the moving contact of auxiliary earth contact 32 to do the reciprocating motion (pumping as shown in Figure 1) perpendicular with ground connection drive link 2 place directions, drives the moving contact of main grounding contact 42 to do the reciprocating motion (pumping as shown in Figure 1) perpendicular with ground connection drive link 2 place directions.
Solid isolated vacuum ring main unit of the present invention also arranges a plurality of contact (not shown) for closing a floodgate and be connected mutually with auxiliary earth contact 32, main grounding contact 42, can close a floodgate or separating brake effect with a plurality of contacts that arrange in above-mentioned contact in auxiliary earth contact 32, main grounding contact 42 move up and down process.
Preferably, the position that above-mentioned contact arranges is different, the distance of itself and ground connection drive link is set to not equidistant, further, can be understood as, not etc., the time point closing a floodgate with a plurality of contacts in auxiliary earth contact 32, main grounding contact 42 move up and down process is not inconsistent in the position that a plurality of contact distance auxiliary earth contacts 32 close a floodgate mutually with main grounding contact 42.
A kind of solid isolated vacuum ring main unit of the present invention in the specific implementation, external operation earthed switch assembly 1, it is rotated to operation, as earthed switch assembly 1 is clockwise rotated, revolving force by 1 output of earthed switch assembly acts on respectively on auxiliary earth driving section 31 and main ground connection driving section 41 by ground connection drive link 2, wherein, ground connection drive link 2 rotates counterclockwise, the first gear of ground connection drive link 2 rear and front ends rotates, and then make the stressed rotation of engaging piece 20, the auxiliary earth driving section 31 being connected with engaging piece 20 and main ground connection driving section 41 will be driven and move downward, because being connected with auxiliary earth contact 32, auxiliary earth driving section 31 forms auxiliary earth transmission component 3, main ground connection driving section 41 is connected with main grounding contact 41 and forms main ground connection transmission component 4, rotatory force by 1 output of earthed switch assembly drives respectively auxiliary earth transmission component 3 and main ground connection transmission component 4 to move downward through the transmission of ground connection drive link 2, that is engaging piece 20 drives the moving contacts of auxiliary earth contact 32 and the moving contact of main grounding contact 42 to do moving downward as shown in the figure.Move downward in process, auxiliary earth contact 32 closes a floodgate (connection) with a plurality of contacts that arrange respectively mutually with main grounding contact 42, because ground connection drive link 2 is identical with the gearratio of main ground connection driving section 41 with gearratio and the described ground connection drive link 2 of auxiliary earth driving section 31, therefore the step that, the moving contact of auxiliary earth contact 32 and main grounding contact 42 moves downward is consistent; Again because the position of closing contact setting is different, that is a plurality of contact distance auxiliary earth contacts 32 are different with the position that main grounding contact 42 combined floodgates are connected, the time point that causes auxiliary earth contact 32 and main grounding contact 42 and a plurality of contacts to be closed a floodgate is also inconsistent, in this process, the time that auxiliary earth contact 32 closes a floodgate is later than the time that main grounding contact 42 closes a floodgate.
When external operation earthed switch assembly 1 resets rotary manipulation to it, operational grounding switch module 1 rotates counterclockwise, revolving force by 1 output of earthed switch assembly acts on respectively on auxiliary earth driving section 31 and main ground connection driving section 41 by ground connection drive link 2, wherein, ground connection drive link 2 clockwise rotates, the first gear of ground connection drive link 2 rear and front ends rotates, and then make the stressed rotation of engaging piece 20, the auxiliary earth driving section 31 being connected with engaging piece 20 and main ground connection driving section 41 will be driven and move upward, because being connected with auxiliary earth contact 32, auxiliary earth driving section 31 forms auxiliary earth transmission component 3, main ground connection driving section 41 is connected with main grounding contact 41 and forms main ground connection transmission component 4, rotatory force by 1 output of earthed switch assembly drives respectively auxiliary earth transmission component 3 and main ground connection transmission component 4 to move upward through the transmission of ground connection drive link 2, that is engaging piece 20 drives the moving contacts of auxiliary earth contact 32 and the moving contact of main grounding contact 42 to do moving upward as shown in the figure.Move upward in process, auxiliary earth contact 32 and main grounding contact 42 respectively with a plurality of contacts separating brakes (disconnection) that arrange, because ground connection drive link 2 is identical with the gearratio of main ground connection driving section 41 with gearratio and the described ground connection drive link 2 of auxiliary earth driving section 31, therefore the step that, the moving contact of auxiliary earth contact 32 and main grounding contact 42 moves upward is consistent; Because the position that closing contact arranges is different, that is a plurality of contact distance auxiliary earth contacts 32 are different with the position that main grounding contact 42 combined floodgates are connected, cause auxiliary earth contact 32 and main grounding contact 42 also inconsistent with the time point of a plurality of contacts separating brake, in this process, the time of auxiliary earth contact 32 separating brakes is early than the time of main grounding contact 42 separating brakes.
The invention also discloses a kind of solid isolated vacuum ring main unit system, comprise the main grounding system mainly being formed by earthed switch assembly 1, ground connection drive link 2, main ground connection driving section 41, main grounding contact 42 and main earthing contact and the auxiliary earth system mainly being formed by auxiliary earth driving section 31, auxiliary earth contact 32 and auxiliary earth contact;
Described earthed switch assembly 1 is in transmission connection by elastic cylindrical pin with described ground connection drive link 2, the two ends of described ground connection drive link 2 be connected with a joggle respectively described auxiliary earth driving section 31 and described main ground connection driving section 41, drive respectively described auxiliary earth driving section 31 and described main ground connection driving section 41 to move back and forth by the rotatory force of described earthed switch assembly 1 output through the transmission of described ground connection drive link 2;
Described main grounding contact 42 is connected with described main ground connection driving section 41, and the moving contact of described main grounding contact 42 can close a floodgate or separating brake with described main earthing contact under the band of described main ground connection driving section 41;
Described auxiliary earth contact 32 is connected with described auxiliary earth driving section 31, and described auxiliary earth contact 32 can close a floodgate or separating brake with described auxiliary earth contact under the band of described auxiliary earth driving section 31.
Described main grounding system also comprises isolation fixed contact 5, vacuum interrupter 6, high-tension fuse 7 and outlet casing tube 8, one end of described isolation fixed contact 5 is connected with the fixed contact of described main grounding contact 42, the accessible loop being connected successively by described vacuum interrupter 6, described high-tension fuse 7 and described outlet casing tube 8 of the other end of described isolation fixed contact 5.
Described auxiliary earth contact 32 comprises moving contact and fixed contact, the described moving contact of described auxiliary earth contact 32 and described auxiliary earth driving section 31 are bolted, and described fixed contact and the described outlet casing tube 8 of described auxiliary earth contact 32 are bolted.
Preferably, described high-tension fuse 7 arranges a plurality of ports of drawing.
Preferably, above-mentioned main earthing contact can be accessed by described isolation fixed contact 5 or described vacuum interrupter 6 or the arbitrary of described high-tension fuse 7 and draws on port.
Preferably, above-mentioned auxiliary earth contact can be accessed by the arbitrary of described high-tension fuse 7 and draws on port.
The execution mode of a kind of solid isolated vacuum ring main unit system of the present invention is identical with the execution mode of above-mentioned solid isolated vacuum ring main unit structure, repeats no more herein.
A kind of solid isolated vacuum ring main unit of the present invention and system thereof, the rotatory force of being exported by earthed switch assembly drives respectively auxiliary earth driving section and main ground connection driving section to move back and forth through the transmission of described ground connection drive link; The moving contact of described main grounding contact can close a floodgate or separating brake with main earthing contact under the band of main ground connection driving section; Auxiliary earth contact can close a floodgate or separating brake with auxiliary earth contact under the band of auxiliary earth driving section, thereby realize, transmission line circuit disconnects and the function of ground connection, simple in structure, easy to operate, safe and reliable, there will not be misoperation.
Above disclosed is only a kind of preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the claims in the present invention, still belongs to the scope that the present invention is contained.
Claims (8)
1. a solid isolated vacuum ring main unit, comprise: earthed switch assembly and the ground connection drive link being connected with described earthed switch assembly, it is characterized in that, the two ends of described ground connection drive link be connected with a joggle respectively auxiliary earth driving section and main ground connection driving section, described auxiliary earth driving section is connected with an auxiliary earth contact and forms auxiliary earth transmission component, and described main ground connection driving section is connected with a main grounding contact and forms main ground connection transmission component;
Rotatory force by described earthed switch assembly output drives respectively described auxiliary earth transmission component and described main ground connection transmission component to move back and forth through the transmission of described ground connection drive link;
Described ground connection drive link is identical with the gearratio of described ground connection drive link and described main ground connection driving section with the gearratio of described auxiliary earth driving section;
Described solid isolated vacuum ring main unit also comprises at least two contacts for closing a floodgate mutually and be connected with described auxiliary earth contact, described main grounding contact respectively, and at least two described contacts and the distance of described ground connection drive link are set to not equidistant.
2. solid isolated vacuum ring main unit as claimed in claim 1, it is characterized in that, described earthed switch assembly and described ground connection drive link are in transmission connection by elastic cylindrical pin, the rotation direction contrary of the rotation direction of described earthed switch assembly and described ground connection drive link;
The two ends of described ground connection drive link are connected the first gear are set by elastic cylindrical pin respectively, described the first gear respectively with described auxiliary earth driving section and described main ground connection driving section on the second gear of installing be respectively connected with a joggle.
3. solid isolated vacuum ring main unit as claimed in claim 2, is characterized in that, described auxiliary earth contact comprises a moving contact, and the described moving contact of described auxiliary earth contact and described auxiliary earth driving section are bolted;
Described the first gear and described the second gear are meshed and drive the described moving contact of described auxiliary earth contact to do the reciprocating motion perpendicular with described ground connection drive link place direction.
4. solid isolated vacuum ring main unit as claimed in claim 2, is characterized in that, described main grounding contact comprises a moving contact, and the described moving contact of described main grounding contact and described main ground connection driving section are bolted;
Described the first gear and described the second gear are meshed and drive the described moving contact of described main grounding contact to do the reciprocating motion perpendicular with described ground connection drive link place direction.
5. a solid isolated vacuum ring main unit system, it is characterized in that, comprise the main grounding system mainly being formed by earthed switch assembly, ground connection drive link, main ground connection driving section, main grounding contact and main earthing contact and the auxiliary earth system mainly being formed by auxiliary earth driving section, auxiliary earth contact and auxiliary earth contact;
Described earthed switch assembly and described ground connection drive link are in transmission connection by elastic cylindrical pin, the two ends of described ground connection drive link be connected with a joggle respectively described auxiliary earth driving section and described main ground connection driving section, drive respectively described auxiliary earth driving section and described main ground connection driving section to move back and forth by the rotatory force of described earthed switch assembly output through the transmission of described ground connection drive link;
Described main grounding contact is connected with described main ground connection driving section, and the moving contact of described main grounding contact can close a floodgate or separating brake with described main earthing contact under the drive of described main ground connection driving section;
Described auxiliary earth contact is connected with described auxiliary earth driving section, and described auxiliary earth contact can close a floodgate or separating brake with described auxiliary earth contact under the drive of described auxiliary earth driving section;
Described ground connection drive link is identical with the gearratio of described ground connection drive link and described main ground connection driving section with the gearratio of described auxiliary earth driving section;
The distance of described main earthing contact and auxiliary earth contact and described ground connection drive link is set to not equidistant.
6. solid isolated vacuum ring main unit system as claimed in claim 5, it is characterized in that, described main grounding system also comprises isolation fixed contact, vacuum interrupter, high-tension fuse and outlet casing tube, one end of described isolation fixed contact is connected with the fixed contact of described main grounding contact, the accessible loop being connected successively by described vacuum interrupter, described high-tension fuse and described outlet casing tube of the other end of described isolation fixed contact.
7. solid isolated vacuum ring main unit system as claimed in claim 6, it is characterized in that, described auxiliary earth contact comprises moving contact and fixed contact, the described moving contact of described auxiliary earth contact and described auxiliary earth driving section are bolted, and described fixed contact and the described outlet casing tube of described auxiliary earth contact are bolted.
8. solid isolated vacuum ring main unit system as claimed in claim 6, it is characterized in that, described high-tension fuse arranges a plurality of ports of drawing, and described main earthing contact can be accessed by the arbitrary of described isolation fixed contact or described vacuum interrupter or described high-tension fuse and draws on port;
Described auxiliary earth contact can be accessed by the arbitrary of described high-tension fuse and draws on port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110060900.1A CN102227058B (en) | 2011-03-15 | 2011-03-15 | Solid-insulated vacuum ring main unit and system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110060900.1A CN102227058B (en) | 2011-03-15 | 2011-03-15 | Solid-insulated vacuum ring main unit and system thereof |
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| Publication Number | Publication Date |
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| CN102227058A CN102227058A (en) | 2011-10-26 |
| CN102227058B true CN102227058B (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110060900.1A Active CN102227058B (en) | 2011-03-15 | 2011-03-15 | Solid-insulated vacuum ring main unit and system thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103296606A (en) * | 2013-06-08 | 2013-09-11 | 扬州新概念电气有限公司 | Multi-functional solid seal assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1329725A (en) * | 1970-07-01 | 1973-09-12 | Inst Pruffeld Fuer Elektrische | Electrical switch for high voltages |
| CN201392762Y (en) * | 2009-01-05 | 2010-01-27 | 浙宝电气(杭州)集团有限公司 | Ground switch |
| CN101728781A (en) * | 2009-12-16 | 2010-06-09 | 北京合纵科技股份有限公司 | Solid isolated vacuum ring main unit |
| CN101937068A (en) * | 2010-08-06 | 2011-01-05 | 赵京磊 | Automatic continuous testing device for lightning stroke counter |
-
2011
- 2011-03-15 CN CN201110060900.1A patent/CN102227058B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1329725A (en) * | 1970-07-01 | 1973-09-12 | Inst Pruffeld Fuer Elektrische | Electrical switch for high voltages |
| CN201392762Y (en) * | 2009-01-05 | 2010-01-27 | 浙宝电气(杭州)集团有限公司 | Ground switch |
| CN101728781A (en) * | 2009-12-16 | 2010-06-09 | 北京合纵科技股份有限公司 | Solid isolated vacuum ring main unit |
| CN101937068A (en) * | 2010-08-06 | 2011-01-05 | 赵京磊 | Automatic continuous testing device for lightning stroke counter |
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| CN102227058A (en) | 2011-10-26 |
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Denomination of invention: A solid insulation vacuum ring network cabinet and its system Effective date of registration: 20231010 Granted publication date: 20141029 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: GUANGDONG AERPAL ELECTRIC POWER TECHNOLOGY CO.,LTD. Registration number: Y2023980060491 |