CN2836279Y - 12KV indoor AC high-voltage sulfur hexafluoride ring network switchgear - Google Patents
12KV indoor AC high-voltage sulfur hexafluoride ring network switchgear Download PDFInfo
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- CN2836279Y CN2836279Y CN 200520113667 CN200520113667U CN2836279Y CN 2836279 Y CN2836279 Y CN 2836279Y CN 200520113667 CN200520113667 CN 200520113667 CN 200520113667 U CN200520113667 U CN 200520113667U CN 2836279 Y CN2836279 Y CN 2836279Y
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Abstract
The utility model relates to 12 kilovolt indoor AC high voltage sulfur hexafluoride ring network switchgear, wherein the body of the switchgear is a switch cabinet, and the cabinet body is composed of a bus chamber, a main switch chamber, a low voltage control chamber and a cable chamber; the cable chamber (41) is arranged in the lower part of the switch cabinet, and is internally provided with a lightning arrester, a current transformer and a lower grounding switch; the bus chamber (43) is arranged in the upper part of a ring network cabinet, and in the bus chamber, main buses are connected together and penetrate through the switch cabinet; the main switch chamber (42) is internally provided with a triple work position load switch (8), the shell of the load switch (8) is formed by pouring epoxy resin, the inside of the load switch is filled with sulfur hexafluoride gas and the rear part of the shell of the load switch is provided with a voltage relief passage. The bus chamber, the main switch chamber, the low voltage control chamber and the cable chamber are mutually fixed and supported by a metallic framework and a metal plate. The switchgear has the advantages of high insulation level, simple whole structure, convenient maintenance, miniaturization, combination and low price.
Description
Technical field
The utility model relates to a kind of 12 kilovolts of indoor ac high-voltage sulfur hexafluoride ring network switchgears, more specifically to loop-network switch cabinet, belongs to city power distribution station or building user's switchgear house apparatus field.
Background technology
At present, external many companies greatly develop sulphur hexafluoride (SF when producing the air loop-network switch cabinet
6) loop-network switch cabinet, select for use on-load switch to add the fuse structure pattern and protect as transformer circuit, also minority employing (big capacity) breaker protection.
Domestic many producers develop air insulation and SF synchronously also in the quickening progress
6The insulation loop-network switch cabinet.But market is to the demand diversification day by day of loop-network switch cabinet, intelligent (can straighforward operation), modularization, the consideration that main components and parts also will improve operational reliability, the aspect that reduces cost.
To develop to miniaturization, densification direction from the general structure of loop-network switch cabinet, key is to improve the insulation level of main switch.Loop-network switch cabinet considers from above-mentioned requirements, have simple in structure, volume is little, low price, (non-maintaining or few the maintenance) easy to maintenance.Its every technical parameter satisfies the related standard requirements of GB3906-1991, so market prospects are very good.
For this reason, the needs of my company root a tree name China electric power development for the demand that adaptation Chinese Urbanization, urbanization are powered to city net, rural power grids, have been developed the indoor ac high-voltage sulfur hexafluoride ring network of XGN15-12 type switchgear.
Summary of the invention
The purpose of this utility model provides a kind of main switch and has higher insulation level, the looped network switch apparatus that overall structure is simple and easy to maintenance;
Another purpose of the present utility model provides a kind of miniaturization, modularization, low-cost looped network switch apparatus.
A kind of 12 kilovolts of indoor ac high-voltage sulfur hexafluoride ring network switchgears, wherein switch cabinet body is made of bus-bar room, main switch chamber, cable vault and low voltage control chamber, cable vault 41 is arranged on the bottom of switch cubicle, is provided with lightning arrester, current transformer and following earthed switch etc. in cable vault 41; Bus-bar room 43 is arranged in the top of loop-network switch cabinet, and the main bus bar in bus-bar room 43 links together and runs through whole row switch cabinet; A three-stations load switch 8 is housed in the main switch chamber 42, and the shell of on-load switch 8 is formed by poured with epoxy resin, is filled with sulfur hexafluoride gas in the inside of on-load switch, is provided with pressure release passage at the rear portion of switch housing; Indoor spring operating mechanism and the mechanical interlock mechanism that is provided with the band position indicating device of low voltage control; Between bus-bar room, main switch chamber, low voltage control chamber and the cable vault by metallic framework and metallic plate fixed support.
The base plate of cable vault is equipped with the cable clip of seal cover and band bracing frame; On on-load switch, be provided with inspection hole and sulfur hexafluoride gas density table.The low voltage control chamber also is equipped with and is assisted out point, breaking coil, emergency trip mechanism, electrification display, key lock and electrically operated device.
The low voltage control chamber also comprises control loop, measuring instrument and protection relay.The agent structure of cabinet is to connect into case structure by base plate, lower pillar stand 21, upper pillar stand 20, crosspiece 18, intermediate connector 7 and copper bar 4, the base plate upper support has lower pillar stand (21), upper pillar stand (20) is on lower pillar stand (21) and have intermediate connector (7) to be connected, crosspiece (18) is at the top of upper pillar stand, copper bar (4) in the middle of the space that lower pillar stand (21) is surrounded, and in the outside of case structure with metallic plate.
That this loop-network switch cabinet has is safe and reliable, install easily, the few maintenance or non-maintaining, advantages such as volume is little, remarkable in economical benefits, and the advanced technology that adopts, and its technical indicator is compared with external industrially developed country, and is not a halfpenny the worse; All parts all can be realized production domesticization.Compare with the foreign same type loop-network switch cabinet, only need 80%～90% through careful measuring and calculating price.
According to the selection of user to the cabinet type, can also be able to discharge seven types of long cable section of ingoing line cabinet, cable outlet cabinet, bus connection cabinet, metering cabinets etc., major programme can be listed more than 30 kind of scheme and select for the user.
Description of drawings
Figure 1 shows that the left side topology view of loop-network switch cabinet;
Fig. 2 does and is the front view of loop-network switch cabinet;
Figure 3 shows that the left side vertical view of loop-network switch cabinet;
Figure 4 shows that the phantom of loop-network switch cabinet;
Figure 5 shows that the left view of loop-network switch cabinet;
Figure 6 shows that the scheme of installation of loop-network switch cabinet;
Figure 7 shows that the installation side view of loop-network switch cabinet
Figure 8 shows that three service positions of combined floodgate (8a), separating brake (8b) and the ground connection (8c) of on-load switch and combined electrical apparatus.
Specific embodiment
The indoor ac high-voltage sulfur hexafluoride ring network of XGN15-12 type switchgear (hereinafter to be referred as " loop-network switch cabinet "), this switchgear are that a new generation is with sulphur hexafluoride (SF
6) on-load switch is as main switch, and whole cabinet adopts SF
6The loop-network switch cabinet of gas is applicable to the not only compactness but also open-ended metal enclosed switchgear of power distribution automation.
Loop-network switch cabinet structure chart as shown in Figure 1, the agent structure of this loop-network switch cabinet are the preceding frame faces that front mounting plate 6, intermediate connector 7, front mounting plate 9, instrument door 10, instrument box 11 and the brows 12 of the buckle from the bottom to top 3 that supported by triangle part 1, Qianmen jam plate 5, SF6 switch constitute; And lower pillar stand 21 from the bottom to top, intermediate connector 7, upper pillar stand 20, back upper sealing plate 19 and front and rear baffle 18 are connected in sequence.The top of loop-network switch cabinet be by front top plate 14, control room after plate 15, back top board 16 and side crosspiece 17 constitute.Loop-network switch cabinet is applicable to that the ring network power supply of rated voltage 12kV, rated frequency 50Hz three-phase alternating current or double width penetrates in the electric power system control and the protective device as circuit; be applicable to the box-type substation of packing into; can be used in city power distribution station or building user's switchgear house, in order to improve the reliability of ring network power supply.
Loop-network switch cabinet is to adopt on-load switch and fuse is combined or protect the power distribution equipment of transformer with circuit breaker, generally forms at interval by three, i.e. two ring cables turnover intervals and a transformer circuit interval.When supply line broke down, looped network switch at interval can guarantee in time to recover to the transformer circuit power supply, thereby had improved the reliability and the utilance of power supply.
Cabinet body structure comprises parts such as main switch chamber 42, bus-bar room 43, operating mechanism and low-pressure chamber 44, cable vault 41, and it is switch gear room 42 that the top of cabinet is generally adopted in the topology layout of air insulation loop-network switch cabinet, and the middle and lower part is cable vault 41 and other element chamber.Main electric elements comprise on-load switch (SF in the cabinet
6Switch) 8, parts such as fuse 36, isolating switch, earthed switch, housing, bus, cable connector, main switch also has and adopts circuit breaker in big capacity loop-network switch cabinet, decides according to user's needs.Main element and door are provided with interlock in the cabinet between the dividing plate, to reach " five is anti-" requirement.Development abroad loop-network switch cabinet starting is early used extensively, after the air insulation loop-network switch cabinet, is devoted to develop SF in nearly 2 years
6The gas loop-network switch cabinet, manufacture level is higher, to the type selecting of electric elements, pays attention to key componentses such as three-stations load switch, fuse and develops.
Figure 2 shows that the front view of loop-network switch cabinet.212 hinges 31 and door lock 32 are arranged at the top of this front view; That its middle part is placed is SF
6Switch 8; The bottom is preceding Xiamen 2; On preceding Xiamen 2, be provided with nameplate 28, observation window 29 and handle 30.
Figure 3 shows that vertical view, rush down the front that pressing plate 22 is arranged on upper and lower back mounting panel 23,24; SF is installed on both sides
6The switch right side is installed shelves 25, shelves 26 and SF is installed
6Shelves 27 are installed in the switch left side.
Fig. 4 and Fig. 5 originally are not the phantom and the left view of switch cubicle.Cable vault 41 by 2 sealing cabinet bottoms, preceding Xiamen.The bottom of cabinet is cable vault 41, and the centre is switch gear room 42, and the top is a bus-bar room 43, and 44 of low-pressure chambers are positioned on the lateral surface of switch gear room 42.
Figure 6 shows that the scheme of installation of loop-network switch cabinet; SF
6Switch 8 is positioned at middle part, SF
6Following and the fuse 36 of switch 8 and fuse tripping operation combination 37 are adjacent, and fuse 36 is fixed on the central dividing plate 39 by following insulator 35, and cable clamp 33 clamping cables 34 are attempted by on the fuse 36, also are provided with down ground connection 38.
Figure 7 shows that the installation side view of loop-network switch cabinet, is the detailed view shown in Fig. 1.
Loop-network switch cabinet requires and will develop to diversification, intellectuality, modularization direction according to different places.The general layout trend miniaturization of loop-network switch cabinet, densification direction develop, and key is to improve main electric elements insulation level and reliability thereof.Loop-network switch cabinet one well matched on-load switch, a spot of vacuum circuit-breaker of joining.It is made up of two on-load switch and transformer circuit cabinets (on-load switch adds fuse) as the turnover line.The ring network power supply insulation mode divides air insulation and SF
6Insulate two kinds.External dual mode all adopts, but biases toward SF
6Insulation mode.The domestic air insulation mode of generally using.
SF
6Insulation mode: the city net is generally used looped network.Place with overhead wire can cause overhead wire by the loop-network switch cabinet, is introduced and is drawn by cable again.Bus and switch are enclosed in and fill SF
6In the housing of gas.So the blowing pressure is generally (0.02～0.05) Mpa, because housings close, be not subjected to the influence of external environment, has improved the reliability of equipment, can accomplish that volume is little, and owing to the blowing pressure is low, the fine solution of sealing problem is used during once inflating enough equipment lives.
Be illustrated in figure 8 as three service positions of combined floodgate (8a), separating brake (8b) and the ground connection (8c) of on-load switch and combined electrical apparatus.Indoor high-voltage SF
6On-load switch 8 and combined electrical apparatus thereof are provided with combined floodgate, separating brake, three service positions of ground connection.In the front portion of insulating cover, have two transparent windows 29, can observe the contact present position.Because SF
6Gas has good arc extinction performance, and when dynamic/ static contact 55 and 53,54 separated, electric arc appeared in the magnetic field that permanent magnet produces, and under the electromagnetic force effect electric arc is rotated around fixed contact, and electric arc elongates and also relies on SF
6Gas extinguishes it when current over-zero.Dynamic/ static contact 55 and 53,54 s' distance is enough to bear recovery voltage, and the simple and reliable contact wearing and tearing of this system are very little, and electrical endurance is long.
Main switch is indoor to be equipped with a three-stations load switch, and the shell of on-load switch is that poured with epoxy resin forms, and sulfur hexafluoride gas is a dielectric.Be provided with at the switch case rear portion and rush down pressure passageway, guarantee the safe operation of equipment.Cut-off principle: SF
6Gas has good arc extinction performance, and when dynamic/static contact separated, electric arc appeared in the magnetic field that permanent magnet produces, and under the electromagnetic force effect electric arc is rotated around fixed contact, and electric arc elongates and also relies on SF
6Gas extinguishes it when current over-zero.Distance between dynamic/static contact is enough to bear recovery voltage.This system is simple and reliable, and the contact wearing and tearing are very little, and electrical endurance is long.
The air insulation mode: national Specification the air gap distance of air insulation mode, general approach can satisfy use, but will accomplish that volume is little, but is the comparison difficulty.Loop-network switch cabinet is pressed structural shape and is distinguished:
A) compact: three on-load switches are contained in the common housing, and size is less.
B) extential form: can make a plurality of intervals, combination in any can expand flexibly
The cable vault: ring main unit has well-to-do cable vault 41, is mainly used in cable 34 and connects, and also can hold lightning arrester, current transformer, following ground connection 38 switch elements.Cable vault's 41 base plates are joined the big or small suitable cable clamp 33 of seal cover and band bracing frame.Cable vault's base plate and in front of the door frame can pull down, make things convenient for cable to install.
Operating mechanism and interlocking device and low voltage control chamber 44; the spring operating mechanism and the mechanical interlocks of band position indicating device are housed in the low-pressure chamber 44; also can install the auxiliary contact of electrical connection; breaking coil; emergency trip mechanism, electrification display, key lock and electrically operated device; wherein electrification display and key lock are on the side of low voltage control chamber, and control loop, measuring instrument and protection relay etc. can also be installed in the low-pressure chamber space simultaneously.
Main earthed switch is contained in on-load switch (SF
6Switch) 6 li.The earthed switch movable touch knife is the double-pole type, and fixed contact 53,54 is connected on the ground connection copper bar 4 in the switch gear room 42.Earthed switch can not bear whole short circuit currents owing to be in fuse 36 downsides, so reduced to close the capacity that closes.The position of all earthed switches shows by the position indicating device on the low-pressure chamber 44 Room doors, and is subjected to the main actuating axle actuating of front.
Fuse 36 and accessory thereof (main model: 12kV SDLDJ, 12kV SFLDJ, 12kVSKLDJ) molten seat directly is fixed on the on-load switch on the fuse, and there is the trip gear of hammer-driven the inside, molten down seat is contained on the insulator 35, can select with or without capacitor-voltage detecting device.
I type, the difunctional spring operating mechanism of II type: I type list function spring operating mechanism is single spring operating mechanism (can charged motivation operation), and its use is stored in an energy in the compression spring and closes and open on-load switch.The difunctional spring operating mechanism of II type is dual spring operating mechanism (also can charged motivation operation), and its use is stored in two energy actuatings in the compression spring.The difunctional spring mechanism of II type also is furnished with fuse striker tripping mechanism simultaneously.
The mounting structure of loop-network switch cabinet provides in the accompanying drawings in detail, just describes no longer one by one description of reference numerals at this:
1, triangle part
2, front Xiamen
3, buckle
4, copper bar
5, Qianmen jam plate
6、SF
6The front mounting plate of switch
7, intermediate connector
8、SF
6(load) switch
9, front mounting plate
10, instrument door
11, instrument box
12, brows
13, the little side plate in control room
14, front top plate
15, plate behind the control room
16, back top board
17, side crosspiece
18, front and rear crosspiece
19, back upper sealing plate
20, upper pillar stand
21, lower pillar stand
22, pressure relief plate
Mounting panel 23, (on)
24, back mounting panel (descending)
25, SF
6Retaining is installed on the switch right side
26, retaining is installed
27, SF
6Retaining is installed in the switch left side
28, nameplate
29, observation window
30, handle
31,212 hinges
32, door lock
33, cable clamp
34, cable
35, insulator
36, fuse
37, fuse tripping operation combination
38, following ground connection
39, central dividing plate
41, cable vault
42, switch gear room
43, bus-bar room
44, low-pressure chamber
51, grounding contact
52, following outlet seat
53, following fixed contact
54, upper static contact
55, moving contact
Claims (5)
1, a kind of 12 kilovolts of indoor ac high-voltage sulfur hexafluoride ring network switchgears, wherein the main body of equipment is a switch cubicle, cabinet is made of bus-bar room, main switch chamber, low voltage control chamber and cable vault, it is characterized in that:
Cable vault (41) is arranged on the bottom of switch cubicle, in lightning arrester, current transformer and following earthed switch are arranged; Bus-bar room (43) is arranged in the top of ring main unit, and main bus bar links together and the penetrating switch cabinet in bus-bar room; A three-stations load switch (8) is housed in the main switch chamber (42), and the shell of on-load switch (8) is formed by poured with epoxy resin, and the inside of on-load switch is filled with sulfur hexafluoride gas, is provided with pressure release passage at the rear portion of switch housing; Indoor spring operating mechanism and the mechanical interlock mechanism that is provided with the band position indicating device of low voltage control; Between bus-bar room, main switch chamber, low voltage control chamber and the cable vault by the support that interfixes of metallic framework and metallic plate.
2,, it is characterized in that cable vault's base plate is equipped with the cable clip of seal cover and band bracing frame according to the looped network switch apparatus of claim 1; On on-load switch, be provided with inspection hole and sulfur hexafluoride gas density table.
3, according to the looped network switch apparatus of claim 2, it is characterized in that the low voltage control chamber also is equipped with electrically operated device, auxiliary contact, breaking coil, emergency trip mechanism, electrification display and the key lock that is electrically connected, electrification display, key lock are on the side of low voltage control chamber.
4, according to the looped network switch apparatus of claim 3, it is characterized in that the low voltage control chamber also comprises control loop, measuring instrument and the protection relay that is electrically connected, its measuring instrument is on the lateral surface of low-pressure chamber.
5, according to the looped network switch apparatus of claim 1, the agent structure that it is characterized in that cabinet is to connect into case structure by base plate, lower pillar stand (21), upper pillar stand (20), crosspiece (18), intermediate connector (7) and copper bar (4), the base plate upper support has lower pillar stand (21), upper pillar stand (20) is on lower pillar stand (21) and have intermediate connector (7) to be connected, crosspiece (18) is at the top of upper pillar stand, copper bar (4) in the middle of the space that lower pillar stand (21) is surrounded, and in the outside of case structure with metallic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520113667 CN2836279Y (en) | 2005-07-14 | 2005-07-14 | 12KV indoor AC high-voltage sulfur hexafluoride ring network switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520113667 CN2836279Y (en) | 2005-07-14 | 2005-07-14 | 12KV indoor AC high-voltage sulfur hexafluoride ring network switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2836279Y true CN2836279Y (en) | 2006-11-08 |
Family
ID=37300929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520113667 Expired - Fee Related CN2836279Y (en) | 2005-07-14 | 2005-07-14 | 12KV indoor AC high-voltage sulfur hexafluoride ring network switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2836279Y (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009003345A1 (en) * | 2007-07-05 | 2009-01-08 | Beijing Sojo Electric Co., Ltd. | Solid insulation full-closed loop networt cabinet |
| CN101847840A (en) * | 2010-06-09 | 2010-09-29 | 浙宝电气(杭州)集团有限公司 | Annular net cabinet internally provided with vacuum breaker |
| CN101483106B (en) * | 2008-01-09 | 2010-12-15 | 广州霍斯通电气有限公司 | Interlocking apparatus for looped network switch system and looped network switch system |
| CN102055142A (en) * | 2009-11-04 | 2011-05-11 | 厦门科力特电气有限公司 | Novel integrated combined electrical appliance |
| CN102623918A (en) * | 2012-03-20 | 2012-08-01 | 无锡市宇超电气科技有限公司 | Enclosed ring network switchgear |
| CN103022926A (en) * | 2012-11-30 | 2013-04-03 | 广东天富电气集团有限公司 | Box type fixing type metal-enclosed switchgear |
| CN103280368A (en) * | 2013-06-13 | 2013-09-04 | 北京合纵科沃尔电力科技有限公司 | Magnetic quenching SF6 three-position load switch |
| CN104410001A (en) * | 2014-11-25 | 2015-03-11 | 南通苏源恒炫电气有限公司 | Novel switch cabinet structure |
| CN104934874A (en) * | 2015-07-09 | 2015-09-23 | 新疆特变电工自控设备有限公司 | Miniaturized composite insulation switch cabinet |
| CN105119181A (en) * | 2015-09-23 | 2015-12-02 | 安徽意力电缆有限公司 | Ring network wire-incoming cabinet |
| CN105655211A (en) * | 2016-03-11 | 2016-06-08 | 中天电气技术有限公司 | 10KV air inflation ring main unit circuit breaker switch |
| CN105846337A (en) * | 2016-05-18 | 2016-08-10 | 国家电网公司 | Novel inflatable switch cabinet |
| CN112152099A (en) * | 2020-08-14 | 2020-12-29 | 珠海沃顿电气有限公司 | Ring main unit and using method |
-
2005
- 2005-07-14 CN CN 200520113667 patent/CN2836279Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009003345A1 (en) * | 2007-07-05 | 2009-01-08 | Beijing Sojo Electric Co., Ltd. | Solid insulation full-closed loop networt cabinet |
| CN101483106B (en) * | 2008-01-09 | 2010-12-15 | 广州霍斯通电气有限公司 | Interlocking apparatus for looped network switch system and looped network switch system |
| CN102055142B (en) * | 2009-11-04 | 2014-03-05 | 厦门科力特电气有限公司 | Integrated combined electrical appliance |
| CN102055142A (en) * | 2009-11-04 | 2011-05-11 | 厦门科力特电气有限公司 | Novel integrated combined electrical appliance |
| CN101847840A (en) * | 2010-06-09 | 2010-09-29 | 浙宝电气(杭州)集团有限公司 | Annular net cabinet internally provided with vacuum breaker |
| CN102623918A (en) * | 2012-03-20 | 2012-08-01 | 无锡市宇超电气科技有限公司 | Enclosed ring network switchgear |
| CN103022926A (en) * | 2012-11-30 | 2013-04-03 | 广东天富电气集团有限公司 | Box type fixing type metal-enclosed switchgear |
| CN103280368A (en) * | 2013-06-13 | 2013-09-04 | 北京合纵科沃尔电力科技有限公司 | Magnetic quenching SF6 three-position load switch |
| CN103280368B (en) * | 2013-06-13 | 2015-10-28 | 北京合纵科沃尔电力科技有限公司 | The SF6 three-stations load switch of magnetic quenching |
| CN104410001A (en) * | 2014-11-25 | 2015-03-11 | 南通苏源恒炫电气有限公司 | Novel switch cabinet structure |
| CN104934874A (en) * | 2015-07-09 | 2015-09-23 | 新疆特变电工自控设备有限公司 | Miniaturized composite insulation switch cabinet |
| CN105119181A (en) * | 2015-09-23 | 2015-12-02 | 安徽意力电缆有限公司 | Ring network wire-incoming cabinet |
| CN105655211A (en) * | 2016-03-11 | 2016-06-08 | 中天电气技术有限公司 | 10KV air inflation ring main unit circuit breaker switch |
| CN105846337A (en) * | 2016-05-18 | 2016-08-10 | 国家电网公司 | Novel inflatable switch cabinet |
| CN112152099A (en) * | 2020-08-14 | 2020-12-29 | 珠海沃顿电气有限公司 | Ring main unit and using method |
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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 |
Granted publication date: 20061108 Termination date: 20140714 |
|
| EXPY | Termination of patent right or utility model |