CN104167338A - Miniature circuit breaker reclosure device with clutch function - Google Patents
Miniature circuit breaker reclosure device with clutch function Download PDFInfo
- Publication number
- CN104167338A CN104167338A CN201410452080.4A CN201410452080A CN104167338A CN 104167338 A CN104167338 A CN 104167338A CN 201410452080 A CN201410452080 A CN 201410452080A CN 104167338 A CN104167338 A CN 104167338A
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- CN
- China
- Prior art keywords
- axle sleeve
- clutch
- bonding jumper
- stationary contact
- contact bonding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention relates to a miniature circuit breaker reclosure device with the clutch function. The miniature circuit breaker reclosure device with the clutch function comprises a handle device, a shaft sleeve stirring gear and a driving device. The handle device comprises a handle wheel body, and one side of the handle wheel body is provided with handle wheel body wheel teeth which are meshed with the shaft sleeve stirring gear. The driving device comprises a shaft sleeve sector gear and a driving motor, and the shaft sleeve sector gear and the shaft sleeve stirring gear are coaxially arranged. The miniature circuit breaker reclosure device is characterized by further comprising a shaft sleeve clutch key and a clutch bolt, the shaft sleeve sector gear is connected with the shaft sleeve stirring gear through the shaft sleeve clutch key, the clutch bolt is connected with a shell in a sliding mode, and the clutch bolt drives the shaft sleeve clutch key to do axial movement so that the shaft sleeve sector gear can be connected with or separated from the shaft sleeve stirring gear. The miniature circuit breaker reclosure device has the advantages that a switch can be manually or automatically switched during using so that the handle can be disengaged from power, and it can be ensured that a handle and a moving contact can reset in case of power failure during the automatic switching-on of a miniature circuit breaker.
Description
Technical field
The present invention relates to miniature circuit breaker remote control technology field, especially a kind of miniature circuit breaker reclosing device with clutch function.
Background technology
According to the intelligentized demand of China's supply network, State Grid Corporation of China requires supply network intellectuality, therefore, needs the end effector of supply network---and-miniature circuit breaker is carried out upper end signal and is possessed tripping operation, closing function." the external on-load switch technical specification for electric energy meter " that State Grid Corporation of China puts into effect recently.This standard regulation: on-load switch divides and has six kinds by number of poles, wherein, 1P+N i.e. two utmost point on-load switches with a protection utmost point).Require to realize reclosing function in miniature circuit breaker 2P (36mm), short circuit breaking capacity (In) is not less than 6KA.Recently, State Intellectual Property Office discloses patent of invention " a kind of prepayment breaker reclosing device " application number of Wenzhou Shengpu Electric Co., Ltd.: 201410260340.8.This product technology can meet above-mentioned technical specification preferably.But consider as strict as possible, this product is in making process, just in case have a power failure, combined floodgate CD-ROM drive motor stops, although its tripping operation drive unit can make moving contact immediately reset, but the handle of miniature circuit breaker still can stop in making process, consequently, can manually continue to close a floodgate, but handle can not hand-reset, cause situation about obscuring to later period maintenance personnel, there is potential safety hazard; And wherein the stationary contact bonding jumper in N utmost point switch and movable contact phosphorus bronze sheet are convex structure, in process of production, the quality of fit between stationary contact bonding jumper and movable contact phosphorus bronze sheet is had relatively high expectations, and processing technology is loaded down with trivial details, thereby has improved production cost.
Summary of the invention
The deficiency existing for prior art, the object of the present invention is to provide one can realize that Long-distance Control is divided, combined floodgate demand, and can handle and power be departed from by manual, automatic change-over; Thereby when running into just in case having a power failure, can guarantee the miniature circuit breaker reclosing device with clutch function that handle, moving contact reset in miniature circuit breaker automatic closing process, greatly improve the security performance of product.
Technical scheme of the present invention is achieved in that a kind of miniature circuit breaker reclosing device with clutch function, comprise housing and lid, in described housing and lid, be provided with N utmost point switch, termination, handle apparatus, axle sleeve handsetting gear and for the drive unit of control switch folding, described handle apparatus comprises handle wheel body, handle wheel body rotates and is arranged on housing, one side of handle wheel body is provided with the handle wheel body gear teeth, the handle wheel body gear teeth engage with axle sleeve handsetting gear, described drive unit comprises axle sleeve sector gear and the drive motors can propeller shaft sleeve sector gear rotating, axle sleeve sector gear and axle sleeve handsetting gear coaxially arrange, it is characterized in that: also include clutch, this clutch comprises that axle sleeve clutch key and clutch insert, between described axle sleeve sector gear and axle sleeve handsetting gear, connect by axle sleeve clutch key, described clutch is inserted with housing and is slidably connected, this clutch is inserted propeller shaft sleeve clutch key and is moved vertically, make between axle sleeve sector gear and axle sleeve handsetting gear interlock or separate.
As preferably, between described axle sleeve clutch key and lid, be provided with return unit, described return unit is pagoda spring.
As preferably, described clutch is inserted and is comprised U-shaped body and driving handle, this driving handle is positioned at housing and arranges outward, and two free ends of U-shaped body arrange between axle sleeve sector gear and axle sleeve clutch key, and two free ends are towards curved setting of end face of axle sleeve clutch key.
As preferably, described axle sleeve clutch key comprises body and is arranged at the clutch key on body, and on axle sleeve sector gear, be provided with the first through hole, axle sleeve handsetting gear is provided with the second through hole, and the free end of clutch key is positioned at the second through hole through the first through hole.
As preferably, described N utmost point switch comprises stationary contact bonding jumper and movable contact phosphorus bronze sheet, on described axle sleeve handsetting gear, be provided with fan-shaped drive division, described stationary contact bonding jumper comprises the first stationary contact bonding jumper and the second stationary contact bonding jumper, between the first stationary contact bonding jumper and the second stationary contact bonding jumper, be provided with breach, indentation, there is provided with the insulation projection of isolation breach two ends stationary contact bonding jumper, described movable contact phosphorus bronze sheet comprises the connecting portion connecting successively, convergence part and curved portions, this connecting portion is connected with the first stationary contact bonding jumper electric welding, this connecting portion and convergence part are in obtuse angle, this curved portions is across breach setting, described fan-shaped drive division is fixedly connected on axle sleeve handsetting gear, and arc part is on the motion path of fan-shaped drive division.
As preferably, between described stationary contact bonding jumper and movable contact phosphorus bronze sheet, be provided with the second phosphorus bronze sheet, this second phosphorus bronze sheet comprises the second connecting portion and contact site, and this second connecting portion fits on connecting portion and convergence part, and contact site and curved portions formation semiellipse shape cavity.
As preferably, the vertical stroke of described fan-shaped drive division is greater than the vertical distance between contact site and the second stationary contact bonding jumper.
As preferably, described the first stationary contact bonding jumper, the second stationary contact bonding jumper, connecting portion, convergence part and contact site are tabular.
When this miniature circuit breaker reclosing device with clutch function is in the time working, in making process, just in case in situation about having a power failure, drive motors can quit work immediately, even although tripping operation drive unit wherein can make moving contact reset, because drive electrode cannot turn round, and all by gear drive, handle body in this miniature circuit breaker still can stop in making process, now can insert axle sleeve clutch key to away from one lateral movement of axle sleeve handsetting gear by manual actuation clutch, make to separate between axle sleeve sector gear and axle sleeve handsetting gear, handle and power depart from, now axle sleeve handsetting gear is no longer subject to the restriction of axle sleeve sector gear, and then handle body is no longer restricted, now just can manually make handle reset, after treating that handle resets, can manually clutch be inserted and be retracted, now pagoda spring just can move to axle sleeve sector gear direction by propeller shaft sleeve clutch key, makes to link between axle sleeve sector gear and axle sleeve handsetting gear, now just realize and being linked, be convenient to realize automatic operation.
By adopting technique scheme, having increased axle sleeve clutch key and clutch inserts, make this miniature circuit breaker reclosing device in use can be manually, automatic change-over departs from handle and power, thereby can guarantee that handle and moving contact all can reset when running into just in case having a power failure in miniature circuit breaker automatic closing process, and the N utmost point switch of this structure is in the course of processing, effectively reduce the requirement of quality of fit, processing technology is easy, thereby has reduced production cost.
Brief description of the drawings
Fig. 1 is the entirety blast structural representation of the specific embodiment of the invention;
Fig. 2 is clutch structural representation in the specific embodiment of the invention;
Fig. 3 is linkage structure schematic diagram between specific embodiment of the invention bottom bracket axle sector gear and axle sleeve handsetting gear;
Fig. 4 is isolating construction schematic diagram between specific embodiment of the invention bottom bracket axle sector gear and axle sleeve handsetting gear;
Fig. 5 is clutch inserting structure schematic diagram in the specific embodiment of the invention;
Fig. 6 is N utmost point construction of switch schematic diagram in the specific embodiment of the invention;
Fig. 7 is N utmost point switch closing structure schematic diagram in the specific embodiment of the invention;
Fig. 8 is N utmost point switch disrupted configuration schematic diagram in the specific embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
As Figure 1-Figure 8, the invention discloses a kind of miniature circuit breaker reclosing device with clutch function, comprise housing 1 and lid 2, in described housing 1 and lid 2, be provided with N utmost point switch 9, termination, handle apparatus, axle sleeve handsetting gear 4 and for the drive unit of control switch folding, described handle apparatus comprises handle wheel body 3, handle wheel body 3 rotates and is arranged on housing 1, one side of handle wheel body 3 is provided with the handle wheel body gear teeth 31, the handle wheel body gear teeth 31 engage with axle sleeve handsetting gear 4, the opposite side of described handle wheel body 3 is provided with handle body 32, handle body 32 passes housing 1 top, described drive unit comprises axle sleeve sector gear 5 and the drive motors 11 can propeller shaft sleeve sector gear 5 rotating, axle sleeve sector gear 5 coaxially arranges with axle sleeve handsetting gear 4, in the specific embodiment of the invention, also include clutch, this clutch comprises axle sleeve clutch key 7 and clutch slotting 6, between described axle sleeve sector gear 5 and axle sleeve handsetting gear 4, connect by axle sleeve clutch key 7, described clutch is inserted 6 and is slidably connected with housing 1, this clutch is inserted 3 propeller shaft sleeve clutch key 7 and is moved vertically, make between axle sleeve sector gear 5 and axle sleeve handsetting gear 4 interlock or separate, wherein axle sleeve clutch key 7 comprises body and is arranged at the clutch key 71 on body, on axle sleeve sector gear 5, be provided with the first through hole 51, axle sleeve handsetting gear 4 is provided with the second through hole 41, the free end of clutch key 71 is positioned at the second through hole 41 through the first through hole 51, now between axle sleeve sector gear 5 and axle sleeve handsetting gear 4, realize interlock, otherwise, in the time that clutch is inserted between axle sleeve sector gear 5 and axle sleeve handsetting gear 4, now the free end of clutch key is only positioned at the first through hole 51, now between axle sleeve sector gear 5 and axle sleeve handsetting gear 4, realize and having separated, between axle sleeve clutch key 7 and lid 2, be provided with return unit, described return unit is pagoda spring 8.
Clutch is inserted 6 and is comprised U-shaped body 61 and driving handle 62, this driving handle 62 is positioned at the outer setting of housing 1, and two free ends 611 of U-shaped body arrange between axle sleeve sector gear 5 and axle sleeve clutch key 7, and two free ends 611 are towards curved setting of end face of axle sleeve clutch key 7.
N utmost point switch comprises stationary contact bonding jumper 24 and movable contact phosphorus bronze sheet 23, be that movable contact phosphorus bronze sheet 23 is made up of phosphor-copper material, wherein phosphor-copper adds degasser phosphorus P content 0.03～0.35%, tin content 5～8% and other trace element by bronze and forms ductility as iron Fe, zinc Zn etc., fatigue durability is all good can be used for electric and mechanical material, because of phosphorus content higher, its fatigue resistance is higher, and elasticity and resistance to wear are better, on described axle sleeve handsetting gear 4, be provided with fan-shaped drive division 10, described stationary contact bonding jumper 24 comprises the first stationary contact bonding jumper 12 and the second stationary contact bonding jumper 13, wherein the first stationary contact bonding jumper 12 and the second stationary contact bonding jumper 13 are connected with termination respectively, between the first stationary contact bonding jumper 12 and the second stationary contact bonding jumper 13, be provided with breach 20, breach 20 places are provided with the insulation projection 21 of isolation breach 20 two ends stationary contact bonding jumpers, described movable contact phosphorus bronze sheet comprises the connecting portion 14 connecting successively, convergence part 15 and curved portions 16, this connecting portion 14 is connected with the first stationary contact bonding jumper 12 electric welding, this connecting portion 14 and convergence part 15 are in obtuse angle, effectively ensure that movable contact phosphorus bronze sheet self has the ability of resilience, after fan-shaped drive division 10 backhauls, the ability of this resilience effectively disconnects movable contact phosphorus bronze sheet and the second stationary contact bonding jumper, this curved portions 16 arranges across breach 20, described fan-shaped drive division 10 is fixedly connected on axle sleeve handsetting gear 4, and curved portions 20 is positioned on the motion path of fan-shaped drive division 10, between stationary contact bonding jumper 24 and movable contact phosphorus bronze sheet 23, be provided with the second phosphorus bronze sheet, this second phosphorus bronze sheet comprises the second connecting portion 17 and contact site 18, this second connecting portion 17 fits on connecting portion 14 and convergence part 15, and contact site 18 forms semiellipse shape cavity with curved portions 16, the vertical stroke of fan-shaped drive division 10 is greater than the vertical distance between contact site 18 and the second stationary contact bonding jumper 13, it is by the reset of upspringing of elasticity own that movable contact phosphorus bronze sheet and the second phosphorus bronze sheet are got back to initial position at axle sleeve handsetting gear, the first stationary contact bonding jumper 12, the second stationary contact bonding jumper 13, connecting portion 14, convergence part 15 and contact site 18 are tabular, wherein by above-mentioned electrically contact part adopt slab construction, replace arcuate structure, ensure electric interface, reduce producting process difficulty.
When this miniature circuit breaker reclosing device with clutch function is in the time working, in making process, just in case in situation about having a power failure, drive motors can quit work immediately, even although tripping operation drive unit wherein can make moving contact reset, because drive electrode cannot turn round, and all by gear drive, handle body in this miniature circuit breaker still can stop in making process, now can insert axle sleeve clutch key to away from one lateral movement of axle sleeve handsetting gear by manual actuation clutch, make to separate between axle sleeve sector gear and axle sleeve handsetting gear, handle and power depart from, now axle sleeve handsetting gear is no longer subject to the restriction of axle sleeve sector gear, and then handle body is no longer restricted, now just can manually make handle reset, after treating that handle resets, can manually clutch be inserted and be retracted, now pagoda spring just can move to axle sleeve sector gear direction by propeller shaft sleeve clutch key, make to link between axle sleeve sector gear and axle sleeve handsetting gear, now just realize and being linked, be convenient to realize automatic operation, having increased axle sleeve clutch key and clutch inserts, make this miniature circuit breaker reclosing device in use can be manual, automatic change-over departs from handle and power, thereby can guarantee that handle and moving contact all can reset when running into just in case having a power failure in miniature circuit breaker automatic closing process, and the N utmost point switch of this structure is in the course of processing, effectively reduce the requirement of quality of fit, processing technology is easy, thereby reduce production cost.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. one kind has the miniature circuit breaker reclosing device of clutch function, comprise housing and lid, in described housing and lid, be provided with N utmost point switch, termination, handle apparatus, axle sleeve handsetting gear and for the drive unit of control switch folding, described handle apparatus comprises handle wheel body, handle wheel body rotates and is arranged on housing, one side of handle wheel body is provided with the handle wheel body gear teeth, the handle wheel body gear teeth engage with axle sleeve handsetting gear, described drive unit comprises axle sleeve sector gear and the drive motors can propeller shaft sleeve sector gear rotating, axle sleeve sector gear and axle sleeve handsetting gear coaxially arrange, it is characterized in that: also include clutch, this clutch comprises that axle sleeve clutch key and clutch insert, between described axle sleeve sector gear and axle sleeve handsetting gear, connect by axle sleeve clutch key, described clutch is inserted with housing and is slidably connected, this clutch is inserted propeller shaft sleeve clutch key and is moved vertically, make between axle sleeve sector gear and axle sleeve handsetting gear interlock or separate.
2. the miniature circuit breaker reclosing device with clutch function according to claim 1, is characterized in that: between described axle sleeve clutch key and lid, be provided with return unit.
3. the miniature circuit breaker reclosing device with clutch function according to claim 1 and 2, it is characterized in that: described clutch is inserted and comprised U-shaped body and driving handle, this driving handle is positioned at housing and arranges outward, and two free ends of U-shaped body arrange between axle sleeve sector gear and axle sleeve clutch key, and two free ends are inclined-plane setting towards the end face of axle sleeve clutch key.
4. the miniature circuit breaker reclosing device with clutch function according to claim 1 and 2, it is characterized in that: described axle sleeve clutch key comprises body and is arranged at the clutch key on body, on axle sleeve sector gear, be provided with the first through hole, axle sleeve handsetting gear is provided with the second through hole, and the free end of clutch key is positioned at the second through hole through the first through hole.
5. the miniature circuit breaker reclosing device with clutch function according to claim 1 and 2, it is characterized in that: described N utmost point switch comprises stationary contact bonding jumper and movable contact phosphorus bronze sheet, on described axle sleeve handsetting gear, be provided with fan-shaped drive division, described stationary contact bonding jumper comprises the first stationary contact bonding jumper and the second stationary contact bonding jumper, between the first stationary contact bonding jumper and the second stationary contact bonding jumper, be provided with breach, indentation, there is provided with the insulation projection of isolation breach two ends stationary contact bonding jumper, described movable contact phosphorus bronze sheet comprises the connecting portion connecting successively, convergence part and curved portions, this connecting portion is connected with the first stationary contact bonding jumper electric welding, this connecting portion and convergence part are in obtuse angle, this curved portions is across breach setting, described fan-shaped drive division is fixedly connected on axle sleeve handsetting gear, and arc part is on the motion path of fan-shaped drive division.
6. the miniature circuit breaker reclosing device with clutch function according to claim 3, it is characterized in that: described N utmost point switch comprises stationary contact bonding jumper and movable contact phosphorus bronze sheet, on described axle sleeve handsetting gear, be provided with fan-shaped drive division, described stationary contact bonding jumper comprises the first stationary contact bonding jumper and the second stationary contact bonding jumper, between the first stationary contact bonding jumper and the second stationary contact bonding jumper, be provided with breach, indentation, there is provided with the insulation projection of isolation breach two ends stationary contact bonding jumper, described movable contact phosphorus bronze sheet comprises the connecting portion connecting successively, convergence part and curved portions, this connecting portion is connected with the first stationary contact bonding jumper electric welding, this connecting portion and convergence part are in obtuse angle, this curved portions is across breach setting, described fan-shaped drive division is fixedly connected on axle sleeve handsetting gear, and arc part is on the motion path of fan-shaped drive division.
7. the miniature circuit breaker reclosing device with clutch function according to claim 4, it is characterized in that: between described stationary contact bonding jumper and movable contact phosphorus bronze sheet, be provided with the second phosphorus bronze sheet, this second phosphorus bronze sheet comprises the second connecting portion and contact site, and this second connecting portion fits on connecting portion and convergence part.
8. the miniature circuit breaker reclosing device with clutch function according to claim 5, is characterized in that: the vertical stroke of described fan-shaped drive division is greater than the vertical distance between contact site and the second stationary contact bonding jumper.
9. the miniature circuit breaker reclosing device with clutch function according to claim 4, is characterized in that: described the first stationary contact bonding jumper, the second stationary contact bonding jumper, connecting portion, convergence part and contact site are tabular.
10. the miniature circuit breaker reclosing device with clutch function according to claim 2, is characterized in that: described return unit is pagoda spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452080.4A CN104167338B (en) | 2014-09-05 | 2014-09-05 | Miniature circuit breaker reclosure device with clutch function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452080.4A CN104167338B (en) | 2014-09-05 | 2014-09-05 | Miniature circuit breaker reclosure device with clutch function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104167338A true CN104167338A (en) | 2014-11-26 |
| CN104167338B CN104167338B (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410452080.4A Active CN104167338B (en) | 2014-09-05 | 2014-09-05 | Miniature circuit breaker reclosure device with clutch function |
Country Status (1)
| Country | Link |
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| CN (1) | CN104167338B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104576237A (en) * | 2015-02-05 | 2015-04-29 | 温州圣普电气有限公司 | Power clutch mechanism of miniature circuit breaker reclosing device |
| CN104795287A (en) * | 2015-04-30 | 2015-07-22 | 浙江天正电气股份有限公司 | Breaker with elastic energy-storing module |
| WO2017025049A1 (en) * | 2015-08-12 | 2017-02-16 | 宏秀电气有限公司 | Linkage worm gear for automatic engaging/disengaging drive mechanisms |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007126234A1 (en) * | 2006-04-29 | 2007-11-08 | Han Sik Lee | Automatic resetable earth leakage circuit breaker |
| CN102800538A (en) * | 2012-08-07 | 2012-11-28 | 浙江麦克力电气有限公司 | Automatic switching-on device of circuit breaker |
| CN104008935A (en) * | 2014-06-12 | 2014-08-27 | 温州圣普电气有限公司 | Reclosing device of prepayment breaker |
| CN204118020U (en) * | 2014-09-05 | 2015-01-21 | 温州圣普电气有限公司 | A kind of miniature circuit breaker reclosing device with clutch function |
-
2014
- 2014-09-05 CN CN201410452080.4A patent/CN104167338B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007126234A1 (en) * | 2006-04-29 | 2007-11-08 | Han Sik Lee | Automatic resetable earth leakage circuit breaker |
| CN102800538A (en) * | 2012-08-07 | 2012-11-28 | 浙江麦克力电气有限公司 | Automatic switching-on device of circuit breaker |
| CN104008935A (en) * | 2014-06-12 | 2014-08-27 | 温州圣普电气有限公司 | Reclosing device of prepayment breaker |
| CN204118020U (en) * | 2014-09-05 | 2015-01-21 | 温州圣普电气有限公司 | A kind of miniature circuit breaker reclosing device with clutch function |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104576237A (en) * | 2015-02-05 | 2015-04-29 | 温州圣普电气有限公司 | Power clutch mechanism of miniature circuit breaker reclosing device |
| CN104795287A (en) * | 2015-04-30 | 2015-07-22 | 浙江天正电气股份有限公司 | Breaker with elastic energy-storing module |
| WO2017025049A1 (en) * | 2015-08-12 | 2017-02-16 | 宏秀电气有限公司 | Linkage worm gear for automatic engaging/disengaging drive mechanisms |
| EP3196916A4 (en) * | 2015-08-12 | 2018-05-16 | Hongxiu Electrical Co., Ltd. | Linkage worm gear for automatic engaging/disengaging drive mechanisms |
| US10593500B2 (en) | 2015-08-12 | 2020-03-17 | Hongxiu Electrical Co., Ltd. | Linkage gear mechanism for automatic opening/closing driving mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104167338B (en) | 2017-02-22 |
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Address after: 340 Binhai 20 road, jinhaiyuan District, Wenzhou Economic and Technological Development Zone, Zhejiang Province Patentee after: Shengpu Electric Co., Ltd Address before: 325000 Zhejiang city of Wenzhou province Yueqing City Whitehead street New River Jia Industrial Zone Caspar building Patentee before: WENZHOU SHENGPU ELECTRIC Co.,Ltd. |