CN103400720A - Solid insulation pole - Google Patents
Solid insulation pole Download PDFInfo
- Publication number
- CN103400720A CN103400720A CN2013103189326A CN201310318932A CN103400720A CN 103400720 A CN103400720 A CN 103400720A CN 2013103189326 A CN2013103189326 A CN 2013103189326A CN 201310318932 A CN201310318932 A CN 201310318932A CN 103400720 A CN103400720 A CN 103400720A
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- switch
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- insulation
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a solid insulation pole, and relates to the technical field of manufacturing of power transmission and distribution switches. The solid insulation pole comprises an insulation casing, wherein the interior of the insulation casing is provided with an isolation switch, a grounding switch and a vacuum arc-extinguishing chamber, a stationary end part of the isolation switch consists of a bus terminal, an isolation switch insulation cylinder and a conductive terminal, a stationary end part of the grounding switch consists of a conductive terminal, a grounding switch insulation cylinder and a grounding terminal, the stationary end part of the grounding switch and the stationary end part of the isolation switch are provided with a movable end share passage, the interior of the movable end share passage is provided with a share movable terminal and an operation mechanism, a movable contact end of the vacuum arc-extinguishing chamber is provided with a guide sleeve, and is conducted with the conductive terminal through a conductive contact on the guide sleeve, the stationary end of the vacuum arc-extinguishing chamber is connected with a wire outlet conductive piece, and the two ends of the isolation switch insulation cylinder and the grounding switch insulation cylinder are respectively provided with a shielding cover. The solid insulation pole can solve the problems that the fracture distance of the pole switch is large, more assembly steps are adopted, the appearance size is large, and the production cost is high.
Description
Technical field
The present invention relates to power transmission and distribution switchgear manufacturing technology field, especially a kind of pole for solid insulation ring main unit.
Background technology
Solid insulation ring main unit is present ring main unit Hot spots for development, and as the key equipment of urban network restructuring and the control of user's controller switching equipment, the quality of ring main unit quality is directly connected to the safety and reliability of transmission system.Traditional ring main unit is generally with SF
6Gas-insulated, because SF
6Gas has superior arc quenching effect, but SF
6Gas is very big to the destructiveness of atmospheric ozone layer, is equivalent to CO
223900 times, use and deal with improperly can the aggravation earth greenhouse effect, be a kind of gas of not environmental protection.Along with people's environmental consciousness constantly strengthens, existing many enterprises release the solid insulation ring main unit product in the market, replace gradually SF
6The gas-insulated ring network cabinet.Critical piece is the solid insulation pole in solid insulation ring main unit.The form structure of solid insulation pole is had nothing in common with each other, it as the patent No., is 201210329195.5 invention, its surface of insulating layer is coated with and partly connects stratum, isolating switch and earthed switch are the form of rotary knife switch, these class solid insulation pole insulation property are better and environment friendly and pollution-free, but have following shortcoming: its switch fracture distance is larger, the assembling link is many, no matter be that Electric Field Distribution is processed or all the pressure measure implements more difficult, its overall dimension is larger, and production cost is all relatively high.
Summary of the invention
Problem to be solved by this invention is to provide a kind of solid insulation pole, and it is larger that it can solve pole switch fracture distance, and the assembling link is many, and overall dimension is large, the problem that production cost is high.
In order to address the above problem, the technical scheme of a kind of solid insulation pole of the present invention is: this solid insulation pole, comprise that outside scribbles the insulation shell of ground plane, and in described insulation shell, be provided with isolating switch, earthed switch and vacuum interrupter; In described insulation shell, be provided with conducting terminal and stretch out housing outer earth terminal and bus bar side sleeve pipe, in described bus bar side sleeve pipe, pressure injection has the bus terminal, one end of described conducting terminal is connected with described earth terminal by the earthed switch insulating cylinder, and the other end is connected with described bus terminal by the isolation switch insulation cylinder; The quiet end of described isolating switch is divided by described bus terminal, described isolation switch insulation cylinder and described conducting terminal and is formed; The quiet end of described earthed switch is divided by described conducting terminal, described earthed switch insulating cylinder and described earth terminal and is formed; The quiet end of described earthed switch is divided with the quiet end of described isolating switch and is divided and have the moved end common-use tunnel that is communicated with successively earth terminal, described earthed switch insulating cylinder, described conducting terminal, described isolation switch insulation cylinder and described bus terminal, in this moved end common-use tunnel, be provided with and share moved end and drive the mobile operating mechanism of described shared moved end, the outer wall of described shared moved end is embedded with the tactile son with described conducting terminal conducting; On moving contact on described movable end of vacuum arc extinguishing chamber, be set with fairlead, described moving contact touches son and described conducting terminal conducting by the conduction that is inlaid on described fairlead, and the quiet end of described vacuum interrupter is connected with the outlet electric-conductor of pressure injection in its downside outgoing line side sleeve pipe; Described movable end of vacuum arc extinguishing chamber is provided with radome; Both end sides at described isolation switch insulation cylinder and described earthed switch insulating cylinder all is equipped with radome.
In technique scheme, more specifically scheme can be: described vacuum interrupter is vacuum arc extinguishing chamber for loading switch or circuit breaker vacuum interrupter.
In technique scheme, more specifically scheme can also be: at described outgoing line side inside pipe casing, be provided with out line sensor; In described bus bar side union body inside, be provided with the bus transducer.
Further: described insulation shell is the epoxy resin housing, and described bus terminal and described outlet electric-conductor are copper spare.
Further: described operating mechanism comprises screw mandrel and silk braid, described shared movable contact is provided with the through hole that arranges in the same way with described moved end common-use tunnel, described silk braid is fixedly installed in described through hole, described screw mandrel is threaded with described silk braid, and described screw mandrel has the operation part of stretching out described insulation shell.
Owing to having adopted technique scheme, the present invention compared with prior art has following beneficial effect:
1, isolating switch of the present invention and earthed switch adopt straight-line plug-in contact, avoid using too much bolt and nut, reduce the generation of wedge angle, are conducive to Electric Field Distribution, improve the insulating capacity of product.
2, between isolating switch of the present invention and earthed switch fracture, adopt four radomes, improve the electric field between fracture, thereby make the very little situation of fracture distance also can meet the insulating requirements of product, realize the Miniaturization Design of product.
3, conducting terminal of the present invention is three-port structure, is isolating switch, and earthed switch and on-load switch or breaker vacuum arc control device share, and have simplified the interiors of products structure.
4. isolating switch of the present invention and the action of earthed switch divide-shut brake are coordinated and are driven by screw mandrel and silk braid, reliable in action, and Position Control is accurate.
5, isolating switch of the present invention and earthed switch are plug, Direct Action Type switch, more are conducive to the realization of driving mechanism, save operating work.
The accompanying drawing explanation
Fig. 1 is the pressed article schematic top plan view of solid insulation pole of the present invention.
Fig. 2 is the pressed article internal structure schematic diagram of solid insulation pole of the present invention.
Fig. 3 is the integral installation distribution structure schematic diagram of solid insulation pole of the present invention.
Number in the figure represents: 1, inserts; 2, earth terminal; 3, earthed switch insulating cylinder; 4, radome; 5, conducting terminal; 6, bus terminal; 7, bus transducer; 8, bus bar side sleeve pipe; 9, insulation shell; 10, radome; 11, fairlead; 12, conduction is touched son; 13, moving contact; 14, sealing ring; 15, vacuum interrupter; 16, go out line sensor; 17, securing member; 18, outlet electric-conductor; 19, outgoing line side sleeve pipe; 20, screw mandrel; 21, silk braid; 22, caging bolt; 23, share moved end; 24, insulated tension pole; 25, isolation switch insulation cylinder.
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
The insulation shell 9 and the inserts 1 that are formed by the epoxy resin pressure injection that the pressed article of a kind of solid insulation pole shown in Figure 1 includes that outside scribbles that ground plane forms, inserts 1 pressure injection is in epoxy resin housing 9, be used to fixing this solid insulation pole.
The pressed article of a kind of solid insulation pole shown in Figure 2, be provided with isolating switch in insulation shell 9, earthed switch and vacuum interrupter 15, vacuum interrupter 15 can be vacuum arc extinguishing chamber for loading switch or circuit breaker vacuum interrupter; At the present embodiment, being the circuit breaker vacuum interrupter, at other embodiment, can be vacuum arc extinguishing chamber for loading switch.The interior pressure injection of insulation shell 9 has earthed switch insulating cylinder 3, conducting terminal 5, isolation switch insulation cylinder 25 and stretches out housing outer earth terminal 2 and bus bar side sleeve pipe 8, the interior pressure injection of bus bar side sleeve pipe 8 has bus terminal 6, one end of conducting terminal 5 is connected with earth terminal 2 by earthed switch insulating cylinder 3, and the other end is connected with bus terminal 6 by isolation switch insulation cylinder 25; The quiet end of isolating switch is divided by bus terminal 6, isolation switch insulation cylinder 25 and conducting terminal 5 and is formed; The quiet end of earthed switch is divided by conducting terminal 5, earthed switch insulating cylinder 3 and described earth terminal 2 and is formed; The quiet end of earthed switch is divided with the quiet end of described isolating switch and is divided and have the moved end common-use tunnel that is communicated with successively earth terminal 2, earthed switch insulating cylinder 3, conducting terminal 5, isolation switch insulation cylinder 25 and bus terminal 6; On moving contact 13 on vacuum interrupter 15 moved ends, be set with fairlead 11, moving contact 13 touches son 12 and conducting terminal 5 conductings by the conduction that is inlaid on fairlead 11, and the quiet end of vacuum interrupter 15 is connected with the outlet electric-conductor 18 of pressure injection in its downside outgoing line side sleeve pipe 19; Vacuum interrupter 15 moved ends are provided with radome 10; In the both end sides of isolation switch insulation cylinder 3 and the both end sides of isolation switch insulation cylinder 25, a radome 4 is housed respectively.In outgoing line side sleeve pipe 19 body inside, be provided with out line sensor 16; In bus bar side sleeve pipe 8 body inside, be provided with bus transducer 7.Bus terminal 6 and outlet electric-conductor 18 are copper spare.
the concrete installation of the present invention is produced as follows: by earthed switch insulating cylinder 3 earth terminal 2, conducting terminal 5 and isolation switch insulation cylinder 25 and bus terminal 6 connect into an integral body, by suitable interference fit, earthed switch insulating cylinder 3 seals with the connecting end surface that isolation switch insulation cylinder 25 can be connected each terminal, epoxy resin before preventing from solidifying flow into conducting terminal 5 inner chambers, four radomes 4 are arranged on respectively the both end sides of earthed switch insulating cylinder 3 and the both end sides of isolation switch insulation cylinder 25, it is the lower end of earth terminal 2, the upper end position of the upper and lower side of conducting terminal 5 and bus terminal 6, conducting terminal 5 is a three-port structure, at the opposite side of isolating switch and earthed switch, i.e. and the right side of accompanying drawing, with vacuum interrupter 15 moved ends, be connected, by fairlead 11, conduction is touched son 12 and moved end 13 makes it with conducting terminal 5, be communicated with, the top of the conducting terminal of vacuum interrupter 15 moved ends is equipped with radome 10, seal protection is carried out by the moved end of 14 pairs of vacuum interrupters 15 of sealing ring in lower end, epoxy resin before preventing from solidifying flows into vacuum interrupter 15 inside, the lower end of vacuum interrupter 15 is that in quiet end and outgoing line side sleeve pipe, outlet electric-conductor 18 connects into an integral body by securing member 17, above-mentioned accessory is assembled into an integral body by mold tooling, debugging is packed into after putting in place in mould, finally again bus transducer 7, going out line sensor 16 also installs in mould together, by heat cured Epoxy Resin, be enclosed in together, formed solid insulation pole of the present invention, bus bar side sleeve pipe 8 and outgoing line side sleeve pipe 19 are by the die cavity straight forming of mould.Isolation of the present invention pass and earthed switch adopt straight-line plug-in contact, and earthed switch and isolating switch hold up and down arranges.Whether bus transducer 7 has the electricity faying surface of shielded type cable connector simultaneously for detection of bus; Going out line sensor 16 has electricity for detection of the place feeder line is no, thereby confirms that upstream switch divides, "on" position.
In the moved end common-use tunnel of a kind of solid insulation pole shown in Figure 3, be provided with to share moved end 23 and drive shared moved end 23 and move screw mandrel 20 and silk braid 21, screw mandrel 20 and silk braid 21 and shared moved end son 23 connect into an integral body by caging bolt 22, share movable contact 23 and be provided with the through hole that arranges in the same way with the moved end common-use tunnel, silk braid 21 is fixedly installed in this through hole, screw mandrel 20 is threaded with silk braid 21, screw mandrel 20 has the operation part of stretching out described insulation shell 9, at the outer wall that shares moved end 23, is embedded with the tactile son with conducting terminal 5 conductings; Utilize external operating mechanism can realize the breaking-closing operating of isolating switch and earthed switch, operation part by external operating mechanism rotary screw rod 20 makes to share isolating switch or the earthed switch side that moved end 23 slides into pole, when shared moved end 23 is connected with conducting terminal 5 with bus terminal 6 simultaneously, the isolating switch conducting; When shared moved end 23 is connected with conducting terminal 5 with earth terminal 2 simultaneously, the earthed switch conducting.Vacuum interrupter 15 is connected with insulated tension pole 24, and insulated tension pole 24 is installed in fairlead 11 by suitable securing member, utilizes external operating mechanism can realize deciliter action of vacuum interrupter 15.
Claims (5)
1. solid insulation pole, comprise that outside scribbles the insulation shell of ground plane (9), described insulation shell is provided with isolating switch in (9), earthed switch and vacuum interrupter (15), it is characterized in that: in described insulation shell (9), be provided with conducting terminal (5) and stretch out housing outer earth terminal (2) and bus bar side sleeve pipe (8), the interior pressure injection of described bus bar side sleeve pipe (8) has bus terminal (6), one end of described conducting terminal (5) is connected with described earth terminal (2) by earthed switch insulating cylinder (3), the other end is connected with described bus terminal (6) by isolation switch insulation cylinder (25), the quiet end of described isolating switch is divided by described bus terminal (6), described isolation switch insulation cylinder (25) and described conducting terminal (5) formation, the quiet end of described earthed switch is divided by described conducting terminal (5), described earthed switch insulating cylinder (3) and described earth terminal (2) formation, the quiet end of described earthed switch is divided with the quiet end of described isolating switch and is divided and have the moved end common-use tunnel that is communicated with successively earth terminal (2), described earthed switch insulating cylinder (3), described conducting terminal (5), described isolation switch insulation cylinder (25) and described bus terminal (6), in this moved end common-use tunnel, be provided with and share moved end (23) and drive the mobile operating mechanism of described shared moved end (23), the outer wall of described shared moved end (23) is embedded with the tactile son with described conducting terminal (5) conducting, on moving contact (13) on described vacuum interrupter (15) moved end, be set with fairlead (11), described moving contact (13) touches son (12) and described conducting terminal (5) conducting by the conduction that is inlaid on described fairlead (11), and the quiet end of described vacuum interrupter (15) is connected with the outlet electric-conductor (18) of pressure injection in its downside outgoing line side sleeve pipe (19), described vacuum interrupter (15) moved end is provided with radome (10), both end sides at described isolation switch insulation cylinder (3) and described earthed switch insulating cylinder (25) all is equipped with radome (4).
2. a kind of solid insulation pole according to claim 1, it is characterized in that: described vacuum interrupter (15) is vacuum arc extinguishing chamber for loading switch or circuit breaker vacuum interrupter.
3. a kind of solid insulation pole according to claim 1, is characterized in that: in described outgoing line side sleeve pipe (19) inside, be provided with out line sensor (16); In described bus bar side sleeve pipe (8) body inside, be provided with bus transducer (7).
4. according to claim 1 and 2 or 3 described a kind of solid insulation poles, it is characterized in that: described insulation shell (9) is the epoxy resin housing, and described bus terminal (6) and described outlet electric-conductor (18) are copper spare.
5. a kind of solid insulation pole according to claim 4, it is characterized in that: described operating mechanism comprises screw mandrel (20) and silk braid (21), described shared movable contact (23) is provided with the through hole that arranges in the same way with described moved end common-use tunnel, described silk braid (21) is fixedly installed in described through hole, described screw mandrel (20) is threaded with described silk braid (21), and described screw mandrel (20) has the operation part of stretching out described insulation shell (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310318932.6A CN103400720B (en) | 2013-07-27 | 2013-07-27 | A kind of solid insulation pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310318932.6A CN103400720B (en) | 2013-07-27 | 2013-07-27 | A kind of solid insulation pole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103400720A true CN103400720A (en) | 2013-11-20 |
| CN103400720B CN103400720B (en) | 2016-06-15 |
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ID=49564322
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310318932.6A Active CN103400720B (en) | 2013-07-27 | 2013-07-27 | A kind of solid insulation pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103400720B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103632882A (en) * | 2013-12-10 | 2014-03-12 | 戴顿（重庆）高压开关有限公司 | Three-position disconnecting switch and vacuum switch integrated insulator |
| CN103915282A (en) * | 2014-04-25 | 2014-07-09 | 协励行(厦门)电气有限公司 | Novel solid insulation vacuum switch three-position isolation earthing switch module |
| CN103928275A (en) * | 2014-04-25 | 2014-07-16 | 协励行(厦门)电气有限公司 | Solid insulation vacuum switch three-position isolation earth switch module |
| CN104201041A (en) * | 2014-08-15 | 2014-12-10 | 浙江道笃智能开关有限公司 | Combined solid encapsulated pole and working principle thereof |
| CN107359077A (en) * | 2017-09-11 | 2017-11-17 | 国电博纳（北京）电力设备有限公司 | A kind of direct-acting three-working-position isolation equipment |
| CN107808797A (en) * | 2017-09-15 | 2018-03-16 | 宁波舜利高压开关科技有限公司 | Outdoor combined type gas-liquid-solid sealed pole |
| EP2884518B1 (en) * | 2013-12-10 | 2022-10-12 | Tavrida Electric Holding AG | Switching apparatus for electrical power sytems |
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| KR20100070151A (en) * | 2008-12-17 | 2010-06-25 | 주식회사 효성 | Disconnecting switch |
| CN102810426A (en) * | 2011-06-01 | 2012-12-05 | 北京维益埃电气有限公司 | Combined type vacuum circuit breaker |
| CN202816779U (en) * | 2012-09-07 | 2013-03-20 | 北海银河开关设备有限公司 | Solid insulated pole |
| CN103050325A (en) * | 2012-12-20 | 2013-04-17 | 云南云开电气股份有限公司 | Pole component of solid insulation switch equipment |
| CN203367132U (en) * | 2013-07-27 | 2013-12-25 | 北海银河开关设备有限公司 | Solid insulating pole column |
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2013
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20100070151A (en) * | 2008-12-17 | 2010-06-25 | 주식회사 효성 | Disconnecting switch |
| CN102810426A (en) * | 2011-06-01 | 2012-12-05 | 北京维益埃电气有限公司 | Combined type vacuum circuit breaker |
| CN202816779U (en) * | 2012-09-07 | 2013-03-20 | 北海银河开关设备有限公司 | Solid insulated pole |
| CN103050325A (en) * | 2012-12-20 | 2013-04-17 | 云南云开电气股份有限公司 | Pole component of solid insulation switch equipment |
| CN203367132U (en) * | 2013-07-27 | 2013-12-25 | 北海银河开关设备有限公司 | Solid insulating pole column |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103632882A (en) * | 2013-12-10 | 2014-03-12 | 戴顿（重庆）高压开关有限公司 | Three-position disconnecting switch and vacuum switch integrated insulator |
| EP2884518B1 (en) * | 2013-12-10 | 2022-10-12 | Tavrida Electric Holding AG | Switching apparatus for electrical power sytems |
| CN103915282A (en) * | 2014-04-25 | 2014-07-09 | 协励行(厦门)电气有限公司 | Novel solid insulation vacuum switch three-position isolation earthing switch module |
| CN103928275A (en) * | 2014-04-25 | 2014-07-16 | 协励行(厦门)电气有限公司 | Solid insulation vacuum switch three-position isolation earth switch module |
| CN104201041A (en) * | 2014-08-15 | 2014-12-10 | 浙江道笃智能开关有限公司 | Combined solid encapsulated pole and working principle thereof |
| CN104201041B (en) * | 2014-08-15 | 2015-10-21 | 浙江道笃智能开关有限公司 | Combination pole and operation principle thereof |
| EP3101675B1 (en) * | 2014-08-15 | 2020-12-23 | Zhejiang Limited Corporation of Daodu Intelligent Switch | Combined solid-sealed pole and working principle thereof |
| CN107359077A (en) * | 2017-09-11 | 2017-11-17 | 国电博纳（北京）电力设备有限公司 | A kind of direct-acting three-working-position isolation equipment |
| CN107808797A (en) * | 2017-09-15 | 2018-03-16 | 宁波舜利高压开关科技有限公司 | Outdoor combined type gas-liquid-solid sealed pole |
| CN107808797B (en) * | 2017-09-15 | 2020-04-17 | 宁波舜利高压开关科技有限公司 | Outdoor combined solid-sealed polar pole |
Also Published As
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|---|---|
| CN103400720B (en) | 2016-06-15 |
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Effective date of registration: 20210419 Address after: 536000 2 / F and 3 / F, information center building, Yinhe software science and Technology Park, 11 Tibet Road, Beihai City, Guangxi Zhuang Autonomous Region Patentee after: GUANGXI YINHE DECOM ELECTRIC Co.,Ltd. Address before: 536000, the Guangxi Zhuang Autonomous Region Beihai Tibet Road 11 Galaxy software technology park complex Patentee before: BEIHAI GALAXY SWITCH DEVICES Co.,Ltd. |
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Effective date of registration: 20210830 Address after: 225000 in Zhongman power Jiangsu Co., Ltd., Zhongman Road, high tech Development Zone, Yangzhou City, Jiangsu Province Patentee after: Jiangsu deyidikang Technology Co.,Ltd. Address before: 536000 2 / F and 3 / F, information center building, Yinhe software science and Technology Park, 11 Tibet Road, Beihai City, Guangxi Zhuang Autonomous Region Patentee before: GUANGXI YINHE DECOM ELECTRIC Co.,Ltd. |
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Effective date of registration: 20211216 Address after: 536000 2 / F and 3 / F, information center building, Yinhe software science and Technology Park, 11 Tibet Road, Beihai City, Guangxi Zhuang Autonomous Region Patentee after: Dikang Electric Co.,Ltd. Address before: 225000 in Zhongman power Jiangsu Co., Ltd., Zhongman Road, high tech Development Zone, Yangzhou City, Jiangsu Province Patentee before: Jiangsu deyidikang Technology Co.,Ltd. |