CN101677177B - Epoxy pouring type solid insulation switch with three-cabin - Google Patents
Epoxy pouring type solid insulation switch with three-cabin Download PDFInfo
- Publication number
- CN101677177B CN101677177B CN2008100132804A CN200810013280A CN101677177B CN 101677177 B CN101677177 B CN 101677177B CN 2008100132804 A CN2008100132804 A CN 2008100132804A CN 200810013280 A CN200810013280 A CN 200810013280A CN 101677177 B CN101677177 B CN 101677177B
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- contact
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- fuse
- insulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H33/6661—Combination with other type of switch, e.g. for load break switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
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- Gas-Insulated Switchgears (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The present invention provides an epoxy pouring type solid insulation switch with three-cabin which is composed of three switch bodies having same structure. The switch body comprises an isolation cabin, a vacuum explosion-chamber cabin and a fuse cabin; a bus contact is arranged on the top of the isolation switch, the bus contact fixedly connects with an isolation contact through a master row; a grounding contact and the isolation contact are arranged on two ends of the isolation switch, a middle contact is in the middle; three contacts have same contact bases, sliding guide holes are arranged on the centre of the bases; the front connects with an insulation nut, the rear end connects with an operating mechanism. a through hole is arranged on the centre of the isolation moving contact and fixedly connects with the insulation nut, the insulation nut is sheathed on the nut and rotately connects with the nut; the vacuum explosion-chamber cabin and the fuse cabin are arranged below the isolation cabin respectively. The switch provided by the invention has advantages of reasonable design, higher electric safety performance, little volume, light weight, stable performance, reliable motion, stronger practicability and advancement. The switch provides assurance for reliability of electric supply, which is a precondition condition for reducing user investment.
Description
Technical field
What the present invention relates to is the power high voltage switch, and the epoxy casting of all insulation that concrete is has the solid insulation switch in three cabins such as isolation, vacuum interrupter and fuse.
Background technology
Power switch is one of key equipment of power supply industry; be used for the protection of power station generating set safe operation; serve as the switch of power transmission and transformation line; it is one of critical component in the relaying protection; play safety and send the effect of electricity; mine, oil field, enterprise serve as the equipment of industrial power distribution and electric traction, and in view of this power switch plays the important function of distributing electric energy, protection controller switching equipment.
The power switch of current use and switch cubicle volume matching used with it are comparatively bigger than normal, and use SF6 gas in a large number, can to environment bring serious pollution, with regard to poor expandability of power switch itself, install also inconvenient, sometimes because of the restriction of installation site, the actual installation of power switch and switch cubicle or replacing all have certain degree of difficulty.Also because factors such as insulation property, material material, environment for use make power switch and switch cubicle reliability relatively poor, thereby manufacturing cost and operation expense are increased greatly.
Present switchgear is in order to improve user's power supply reliability and power supply quality, determined the electrical network equipment to no oiling, high security, high reliability, miniaturization, integrated direction development, the simplification electric pressure is built dual-ring network, make high voltage go deep into load center, further plan the city web frame.Therefore, current switch and the switch cubicle that needs a kind of all insulation, its should have all insulation, compact conformation, volume little, can expand, requirement that performance that round-the-clock, easy for installation, Maintenance free, compliance with environmental protection requirements etc. are superior and characteristics satisfy city, rural power grids power supply.
Summary of the invention
The objective of the invention is at when preceding switch with thereby the switch cubicle volume is bigger than normal, use SF6 gas arc extinguishing and do insulation and bring severe contamination, poor expandability, installation inconvenience, poor reliability to environment, and country is given in the increase of manufacturing cost and operation expense and be subjected to electric user to bring problems such as certain economic loss, and a kind of compact conformation is provided, volume is little, operation expense is low, be not subjected to running environment to influence, can obviously reduce electric power facility investment and epoxy pouring type solid insulation switch with three-cabin defeated, feeder circuit loss.
Above-mentioned purpose is achieved through the following technical solutions:
Epoxy pouring type solid insulation switch with three-cabin, comprise housing and be contained in the housing with exchange three-phase A, corresponding three Switch main bodies that structure is identical of B, C;
Described Switch main body comprises cofferdam, vacuum explosion-chamber cabin and fuse cabin; Vacuum explosion-chamber cabin is positioned at the middle part of Switch main body, cofferdam be positioned at vacuum explosion-chamber cabin above, the fuse freight space is below vacuum explosion-chamber cabin;
Cofferdam comprises isolating switch, bus contact, isolates moving contact, grounding contact, insulating contact and middle contact; The bus contact is positioned at the top of isolating switch, and the bottom of bus contact is provided with busbar, and fixedlys connected with an end of busbar, and the other end of busbar is fixedlyed connected with insulating contact;
The bottom, two ends of isolating switch fixedly is equiped with grounding contact and insulating contact respectively, contact in the middle of the bottom of middle part fixedly is equiped with; The bottom of insulating contact, middle contact and grounding contact is respectively arranged with the identical contact base of structure, and three contact bases are positioned at same horizontal line, and the center of contact base is provided with the slip guide hole; Be equiped with commercially available finished parts watch chain fingertip in the slip guide hole, a leading screw is set in the slip guide hole, the front end of leading screw is fixedly connected with the insulation screw, and the rear end and the operating mechanism of leading screw link;
Above-mentioned isolation moving contact is just as tubulose, and the center that isolates moving contact is provided with through hole, and an end of isolating moving contact is provided with the insulation screw, isolates moving contact and fixedlys connected with the insulation screw, and the insulation screw is set on the leading screw and with leading screw and is rotationally connected; The two ends that isolate moving contact respectively with the contact base slip guide hole of insulating contact and middle contact in the watch chain fingertip closely contact i.e. combined floodgate, or the two ends that isolate moving contact with the rotation of leading screw respectively with the contact base slip guide hole of middle contact and grounding contact in the watch chain fingertip closely to contact be ground connection, or not only to have broken away from insulating contact but also do not contacted with grounding contact with the two ends that moving contact is isolated in the rotation of leading screw be separating brake; Isolating switch has combined floodgate, separating brake and three kinds of configuration states of ground connection, ground state designs for this isolating switch is in a safe condition, ground state is: isolate moving contact and rotate and move backward always along with leading screw, final front end of isolating moving contact contacts with the watch chain fingertip of middle contact, the rear end of isolation moving contact contacts with the watch chain fingertip in the grounding contact, and finishes the ground connection process.
Described isolating switch, grounding contact, bus contact, insulating contact and middle contact are helped sealed integral structure by known technology with poured with epoxy resin;
Described vacuum explosion-chamber cabin comprises vacuum interrupter and insulated tension pole; The rear end of insulated tension pole is connected with the rotatable parts of the operating mechanism that is positioned at the Switch main body right-hand member, the front end of insulated tension pole is connected with the moved end of arc control device, simultaneously with on draw an end that is flexible coupling and be fastenedly connected, on draw the contact base of the other end that is flexible coupling and middle contact the bottom be fastenedly connected; The quiet end of vacuum interrupter moved end and vacuum interrupter is positioned at the two ends of vacuum interrupter;
Described fuse cabin comprises fuse, preceding touch base, back touch base, insulation blocking and cable tail device; Fuse is positioned at the front portion in fuse cabin, the rear portion in fuse cabin is provided with the insulation blocking, the insulation blocking closely is connected with fuse, preceding touch base and back touch base are installed in the front-end and back-end of fuse respectively, quiet end of vacuum interrupter and preceding touch base are fastenedly connected by screw, and back touch base and cable turnover thread guide devices are fastenedly connected; Fuse and preceding touch base and back touch base are concentric, and closely cooperate with bulkhead and to play the effect of fixed support fuse, can take out fuse by rotating insulated blocking and change;
Described cable tail device comprises cable block contact and external cable plug; The cable block contact is arranged on the bottom in fuse cabin, and fixedlys connected with Switch main body, and external cable plug and cable block contact are fastenedly connected.
The above-mentioned earthing device that in cofferdam, is provided with.
Above-mentioned Switch main body adopts poured with epoxy resin.
Above-mentioned bus contact is three, be separately positioned on the right side on corresponding isolating switch top, just neutralize the left side.
The principle of epoxy pouring type solid insulation switch with three-cabin and working procedure:
Epoxy pouring type solid insulation switch with three-cabin totally adopts the haplotype modular construction, sees shown in the accompanying drawing 1.Top is the on-load switch part, and the bottom is the cable output, the promptly convenient safety again of stube cable.
Interchange A, the B of epoxy pouring type solid insulation switch with three-cabin, C three-phase bus contact (also can be the grafting of cable) be arranged on the right side at top, just neutralize the left side, by the bus contact input current is passed to insulating contact, contact base by insulating contact passes through to isolate moving contact to middle contact again, the electric current of middle contact output passes to the vacuum interrupter moved end through being flexible coupling, by the control of operating mechanism, make the moved end of vacuum interrupter and quiet end divide to open or close and close.Pass on the preceding touch base in the fuse cabin through drawing busbar down from the electric current of the quiet end output of arc control device, the preceding touch base the fuse cabin in is fixedlyed connected with the quiet end of vacuum interrupter, electric current in the overcurrent fuse cabin preceding touch base to fuse.In electric current is flowed through the fuse cabin, behind the protection fuse, export the cable block contact to, send electric current to the cable introduction and feed out the unit.If epoxy pouring type solid insulation switch with three-cabin of the present invention must cut off with civil power when maintenance or power consumption equipment Long-time Shut-down, at this moment, make the front end of isolating moving contact be arranged in the contact base of middle contact by operating mechanism, the rear end that isolates moving contact is arranged in the contact base of grounding contact, by operating mechanism vacuum interrupter being closed again closes, at this moment the present invention not only cuts off with civil power and gets in touch, and this epoxy pouring type solid insulation switch with three-cabin has been in the safety ground state simultaneously.
Each parts of epoxy pouring type solid insulation switch with three-cabin of the present invention all are poured with epoxy resin, and epoxy pouring type solid insulation switch with three-cabin integral body is all insulation equipment, the influence that is not subjected to surrounding environment, condensation and filth in service.Complete equipment has " four is distant " function, integrated protection function, key position and is provided with advanced Monitoring and Controlling functions such as automatic temperature measurement, can carry out remote monitoring control.High-voltage switch gear of the present invention partly adopts the vacuum extinction technology, if switch does not have explosion hazard when cut-offfing accidents such as causing short circuit current.The present device integral protection is tight, and the danger that does not have gas and liquid to reveal can not pollute to environment.Be not subjected to outside electromagnetic interference yet, can not disturb other equipment yet.External power consumption equipment adopts tangibly connector cable connection, and all parts that can directly or indirectly contact are all insulation.Totally taking up room is 1/3 of traditional switch and switch cubicle, and overall performance is reliable, does not need to safeguard.
The present invention is reasonable in design, manufacture process is comparatively simple, volume is little, in light weight, stable performance, reliable in action, no matter aspect the economy or on electric product is used, all have extremely strong practicality and advance, have high electrical safety performance, be the strong assurance of power supply reliability, also be the precondition that reduces customer investment.
Need to prove: under the prerequisite that does not change the principle of the invention and design, change of having done or distortion all belong to protection scope of the present invention.
Description of drawings
Fig. 1 is an internal structure schematic diagram of the present invention.
Fig. 2 is a bus-bar room schematic top plan view of the present invention.
Embodiment
Embodiment
The manufacturing of epoxy pouring type solid insulation switch with three-cabin has very strong technical and manufacturability with installation, and whole switch is separated by by the sheet metal machine-shaping and the surrounding environment of housing 13, plays protection and buffer action.Shown in accompanying drawing 1,2.Epoxy pouring type solid insulation switch with three-cabin, comprise housing 13 and be contained in the housing 13 with exchange three-phase A, the identical Switch main body 7 of corresponding three structures of B, C.
Switch main body 7 comprises cofferdam 21, vacuum explosion-chamber cabin 19 and fuse cabin 27; Vacuum explosion-chamber cabin 19 is positioned at the middle part of Switch main body 7, cofferdam 21 be positioned at vacuum explosion-chamber cabin 19 above, fuse cabin 27 be positioned at vacuum explosion-chamber cabin 19 below; Cofferdam 21 comprises isolating switch 29, bus contact 30, isolates moving contact 16, grounding contact 22, insulating contact 14 and middle contact 17;
The bottom, two ends of isolating switch 29 fixedly is equiped with grounding contact 22 and insulating contact 14 respectively, contact 17 in the middle of the bottom of middle part fixedly is equiped with; The bottom of insulating contact 14, middle contact 17 and grounding contact 22 is respectively arranged with the identical contact base 11 of structure, three contact bases 11 are positioned at same horizontal line, three contact bases 11 guarantee down that at the fixing of casting mold the center of contact base 11 is provided with slip guide hole 23 definitely with one heart; Be equiped with commercially available finished parts watch chain fingertip in the slip guide hole 23, a leading screw 25 is set in the slip guide hole 23, the front end of leading screw 25 is fixedly connected with insulation screw 18, and the rear end of leading screw 25 and operating mechanism 24 link;
Isolate moving contact 16 just as tubulose, the center that isolates moving contact 16 is provided with through hole 31, one end of isolating moving contact 16 is provided with insulation screw 18, isolates moving contact 16 and fixedlys connected with insulation screw 18, and insulation screw 18 is set on the leading screw 25 and with leading screw 25 and is rotationally connected;
Isolating switch 29, grounding contact 22, bus contact 30, insulating contact 14 and middle contact 17 are helped sealed integral structure by known technology with poured with epoxy resin; Isolating switch 29 has combined floodgate, separating brake and three kinds of operating states of ground connection, ground state designs for this isolating switch 29 is in a safe condition, be that moving contact rotates and moves backward always along with leading screw, the interior watch chain fingertip of the front end of final moving contact and middle contact contacts, watch chain fingertip in the rear end of moving contact and the grounding contact contacts, and finishes the ground connection process.
Vacuum explosion-chamber cabin 19 comprises vacuum interrupter 9 and insulated tension pole 20; The rear end of insulated tension pole 20 is connected with the rotatable parts 26 of the operating mechanism 24 that is positioned at Switch main body 7 right-hand members, the front end of insulated tension pole (20) is connected with the moved end 10 of arc control device 9, simultaneously with on draw 12 the end of being flexible coupling and be fastenedly connected, on draw the contact base 11 of be flexible coupling 12 the other end and middle contact 17 the bottom be fastenedly connected; The quiet end 8 of vacuum interrupter 9 moved ends 10 and vacuum interrupter 9 is positioned at the two ends of vacuum interrupter 9;
Above-mentioned Switch main body 7 is independent bodies, the present invention is the combination of three Switch main bodies 7 and adopts the known poured with epoxy resin technology structure that pours into an integrated entity, on the external form, the top is provided with three bus contacts 30, for the position of installing, overhauling convenient three bus contacts 30 is set to the left, center, right.The bottom is provided with three cable block contacts 1.Inside has the identical cofferdam of three structures 21, three vacuum explosion-chamber cabin that structure is identical 19 and three fuse cabins 27 that structure is identical.
Claims (3)
1. epoxy pouring type solid insulation switch with three-cabin, comprise housing and be contained in the housing with exchange three-phase A, Switch main body (7) that corresponding three structures of B, C are identical, it is characterized in that:
Described Switch main body (7) comprises cofferdam (21), vacuum explosion-chamber cabin (19) and fuse cabin (27); Vacuum explosion-chamber cabin (19) is positioned at the middle part of Switch main body (7), cofferdam (21) be positioned at vacuum explosion-chamber cabin (19) above, fuse cabin (27) be positioned at vacuum explosion-chamber cabin (19) below;
Cofferdam (21) comprises isolating switch (29), bus contact (30), isolates moving contact (16), grounding contact (22), insulating contact (14) and middle contact (17);
Bus contact (30) is positioned at the top of isolating switch (29), and the bottom of bus contact (30) is provided with busbar (15), and fixedlys connected with an end of busbar (15), and the other end of busbar (15) is fixedlyed connected with insulating contact (14);
The bottom, two ends of isolating switch (29) fixedly is equiped with grounding contact (22) and insulating contact (14) respectively, contact (17) in the middle of the bottom of middle part fixedly is equiped with; The bottom of insulating contact (14), middle contact (17) and grounding contact (22) is respectively arranged with the identical contact base (11) of structure, and three contact bases (11) are positioned at same horizontal line, and the center of contact base (11) is provided with slip guide hole (23); The slip guide hole is equiped with the watch chain fingertip in (23), and a leading screw (25) is set in the slip guide hole (23), and the front end of leading screw (25) is fixedly connected with insulation screw (18), and the rear end of leading screw (25) and operating mechanism (24) link;
Above-mentioned isolation moving contact (16) is just as tubulose, the center that isolates moving contact (16) is provided with through hole (31), one end of isolating moving contact (16) is provided with insulation screw (18), isolate moving contact (16) and fixedly connected with insulation screw (18), insulation screw (18) is set in leading screw (25) and upward and with leading screw (25) is rotationally connected;
Described isolating switch (29), grounding contact (22), bus contact (30), insulating contact (14) and middle contact (17) are helped sealed integral structure by poured with epoxy resin;
Described vacuum explosion-chamber cabin (19) comprises vacuum interrupter (9) and insulated tension pole (20); The rear end of insulated tension pole (20) is connected with the rotatable parts (26) of the operating mechanism (24) that is positioned at Switch main body (7) right-hand member, the front end of insulated tension pole (20) is connected with the moved end (10) of arc control device (9), simultaneously with on draw be flexible coupling (12) an end be fastenedly connected, on draw the contact base (11) of the other end of be flexible coupling (12) and middle contact (17) the bottom be fastenedly connected;
Described fuse cabin (27) comprises fuse (5), preceding touch base (6), back touch base (4), insulation blocking (28) and cable tail device (3); Fuse (5) is positioned at the front portion of fuse cabin (27), the rear portion in fuse cabin (27) is provided with insulation blocking (28), insulation blocking (28) closely is connected with fuse (5), preceding touch base (6) and back touch base (4) are installed in the front-end and back-end of fuse (5) respectively, the quiet end of vacuum interrupter (9) (8) is fastenedly connected by screw with preceding touch base (6), and back touch base (4) is fastenedly connected with cable tail device (3); Fuse (5) is concentric with preceding touch base (6) and back touch base (4);
Described cable tail device (3) comprises cable block contact (1) and external cable plug (2); Cable block contact (1) is arranged on the bottom of fuse cabin (27), and fixedlys connected with Switch main body (7), and external cable plug (2) is fastenedly connected with cable block contact (1).
2. epoxy pouring type solid insulation switch with three-cabin according to claim 1 is characterized in that: above-mentioned Switch main body (7) adopts poured with epoxy resin.
3. epoxy pouring type solid insulation switch with three-cabin according to claim 1 is characterized in that: above-mentioned bus contact (30) is three, be separately positioned on the right side on corresponding isolating switch (29) top, just neutralize the left side.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100132804A CN101677177B (en) | 2008-09-19 | 2008-09-19 | Epoxy pouring type solid insulation switch with three-cabin |
| PCT/CN2009/073343 WO2010031289A1 (en) | 2008-09-19 | 2009-08-19 | Epoxy resin casted solid insulation switch with three chambers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100132804A CN101677177B (en) | 2008-09-19 | 2008-09-19 | Epoxy pouring type solid insulation switch with three-cabin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101677177A CN101677177A (en) | 2010-03-24 |
| CN101677177B true CN101677177B (en) | 2011-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100132804A Active CN101677177B (en) | 2008-09-19 | 2008-09-19 | Epoxy pouring type solid insulation switch with three-cabin |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101677177B (en) |
| WO (1) | WO2010031289A1 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810426A (en) * | 2011-06-01 | 2012-12-05 | 北京维益埃电气有限公司 | Combined type vacuum circuit breaker |
| CN102231344B (en) * | 2011-06-09 | 2016-09-07 | 上海天灵开关厂有限公司 | Three-phase integrated arc-chutes epoxy resin seal pole |
| CN102664121B (en) * | 2012-05-29 | 2015-06-17 | 北京华东森源电气有限责任公司 | Insulation cylinder and main loop structure utilizing same |
| CN103236369B (en) * | 2013-03-27 | 2015-07-22 | 北京电研华源电力技术有限公司 | Solid insulation disconnecting switch |
| CN103414116A (en) * | 2013-08-30 | 2013-11-27 | 北京清畅电力技术股份有限公司 | 12KV solid-insulated ring main unit |
| CN103928274B (en) * | 2014-04-25 | 2017-01-11 | 爱启（厦门）电气技术有限公司 | Solid insulation vacuum switch three-position isolation earth switch module |
| CN103915301B (en) * | 2014-04-25 | 2017-10-10 | 爱启（厦门）电气技术有限公司 | Solid insulation vacuum switch three-station isolating grounding switch device |
| CN105244795A (en) * | 2015-10-09 | 2016-01-13 | 维龙（镇江）电工研究院有限公司 | Single-phase module for load switch-fuse combination unit |
| CN109524281A (en) * | 2019-01-08 | 2019-03-26 | 北京博瑞莱智能科技周口有限公司 | A kind of compound insulation type fuse |
| CN110265256A (en) * | 2019-07-16 | 2019-09-20 | 北海银河开关设备有限公司 | A kind of railway power supply route high voltage isolator |
| CN111477495A (en) * | 2020-05-25 | 2020-07-31 | 浙江聚弘凯电气有限公司 | Isolation integrated switch of air insulation circuit breaker |
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| CN201063423Y (en) * | 2007-07-24 | 2008-05-21 | 沈阳昊诚电气有限公司 | Epoxy-pouring dry type integrated transformer substation device |
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| US5650602A (en) * | 1995-06-07 | 1997-07-22 | Utility Solutions, Inc. | Circuit interrupting apparatus and method for high current power lines |
| CN2703318Y (en) * | 2004-05-24 | 2005-06-01 | 浙江日升电器有限公司 | Small size vacuum loading switch-combined electric appliance |
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| CN201263050Y (en) * | 2008-09-19 | 2009-06-24 | 沈阳昊诚电气有限公司 | Integrated premounting transformer substation |
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| CN201063423Y (en) * | 2007-07-24 | 2008-05-21 | 沈阳昊诚电气有限公司 | Epoxy-pouring dry type integrated transformer substation device |
| CN201063418Y (en) * | 2007-07-24 | 2008-05-21 | 沈阳昊诚电气有限公司 | Epoxy-pouring solid insulation switch |
| CN201263053Y (en) * | 2008-09-19 | 2009-06-24 | 沈阳昊诚电力科技有限公司 | Epoxy pouring tri-compartment type solid insulation switch |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101677177A (en) | 2010-03-24 |
| WO2010031289A1 (en) | 2010-03-25 |
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Owner name: SHENYANG HAOCEN ELECTRIC CO., LTD. Free format text: FORMER OWNER: SHENYANG HAOCHENG ELECTRIC TECHNOLOGY CO., LTD. Effective date: 20101206 |
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Free format text: CORRECT: ADDRESS; FROM: 110018 NO.158, HUNHEBAO STREET, DONGLING DISTRICT, SHENYANG CITY, LIAONING PROVINCE TO: 110027 NO.12-A-3, KAIFA ROAD, SHENYANG ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, SHENYANG CITY, LIAONING PROVINCE |
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Effective date of registration: 20101206 Address after: 110027 Shenyang economic and Technological Development Zone, Liaoning Province, No. 1, No. 12, No. 1, development road, Shenyang economic and Technological Development Zone Applicant after: Shenyang Haocheng Electric Co., Ltd. Address before: The Fort Street in Dongling District of Shenyang city of Liaoning Province, No. 158 110018 Applicant before: Shenyang Haocen Electric Power Technology Co., Ltd. |
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Address after: 110027 Shenyang economic and Technological Development Zone, Liaoning Province, No. 1, No. 12, No. 1, development road, Shenyang economic and Technological Development Zone Patentee after: Shenyang Haocheng Electrical Equipment Co., Ltd. Address before: 110027 Shenyang economic and Technological Development Zone, Liaoning Province, No. 1, No. 12, No. 1, development road, Shenyang economic and Technological Development Zone Patentee before: Shenyang Haocheng Electric Co., Ltd. |