CN102411373A - Single axis tracking device for photovoltaic power generation - Google Patents
Single axis tracking device for photovoltaic power generation Download PDFInfo
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- CN102411373A CN102411373A CN2011104015638A CN201110401563A CN102411373A CN 102411373 A CN102411373 A CN 102411373A CN 2011104015638 A CN2011104015638 A CN 2011104015638A CN 201110401563 A CN201110401563 A CN 201110401563A CN 102411373 A CN102411373 A CN 102411373A
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- connecting rod
- girder
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Abstract
The invention aims to provide a single axis tracking device for photovoltaic power generation. The single axis tracking device for photovoltaic power generation comprises a power generation unit, a driving device and a transmission mechanism, wherein the power generation unit comprises a carrier mounting a photovoltaic assembly and a bracket for supporting the carrier, and the carrier rotates along the directions of west and east on the bracket; the transmission mechanism comprises a driving wheel, a driven wheel, a pulley and a driving rope, wherein the driving rope is used for winding the driving wheel and the pulley and is connected at two different parts along circumferential direction of the driven wheel, so as to enable the driving rope to transmit between the driving wheel and the driven wheel; and the driven wheel is arranged on the carrier of the power generation unit and can drive the carrier of the power generation unit.
Description
Technical field
The present invention relates to solar energy tracking device.
Background technology
U.S. Pat 6058930 discloses a kind of push-down tracking means and has had the torque tube at least one north-south; The support solar plate array, wherein at least one is supported on ground bearing and has the pivot connecting element that joins with the torque tube axle journal, and drive unit has body part; Be installed on the leg; Connecting rod with the toggle on the torque tube of being couple to, torque tube are divided into two sections or above formation, wherein one section one section end that is molded into next section; With wringing fit, driver can be used to drive many row's solar panels.The driving of such push-down tracking means has the dead angle, and therefore maximum tracking rotating range has restriction.
Summary of the invention
The object of the present invention is to provide a kind of uniaxiality tracking device that is used for photovoltaic generation.
For realizing the uniaxiality tracking device that is used for photovoltaic generation of said purpose; Be characterized in, comprise generator unit, drive unit and gear train, wherein; Generator unit comprises and is used to install the carriage of photovoltaic module and the support of Support bracket that east-west direction rotates carriage in the support upper edge; Gear train comprises driving wheel, engaged wheel, pulley and driving rope, drives rope and twines driving wheel and pulley, and be connected two circumferential different parts of engaged wheel, can between driving wheel and engaged wheel, carry out transmission so that drive rope; This engaged wheel is installed on the carriage of generator unit, and can drive the carriage of this generator unit.
The described uniaxiality tracking device that is used for photovoltaic generation, its further characteristics be, a plurality of generator units are in the east-west direction arrangement of embarking on journey; Each generator unit also comprises swing arm; Swing arm is installed on the carriage, can drive carriage, and the swing arm of each generator unit is parallel; Connected by connecting rod between the swing arm, this engaged wheel is installed on the carriage of a bill unit of this generator unit.
The described uniaxiality tracking device that is used for photovoltaic generation, its further characteristics are that engaged wheel is non-complete circle, is installed in the downside of carriage.
The described uniaxiality tracking device that is used for photovoltaic generation, its further characteristics are that carriage comprises girder and a plurality of purlin; Girder extends in the plane of North and South direction; Purlin is fixed on the girder, and the downside of girder is provided with the rotating shaft that interts in bearing, and this Bearing Installation is on support; Be provided at isolated at least two place's fulcrums in the plane of North and South direction so that support is a girder, the carriage of girder both sides and on load be that the center balances each other with the girder.
The described uniaxiality tracking device that is used for photovoltaic generation, its further characteristics are that said connecting rod comprises master connecting-rod and the connecting rod end plate, the web joint that are provided with at least one end of master connecting-rod; On the connecting rod end plate, be provided with two row's connecting holes along the identical starting point of the length direction of connecting rod, the spacing of each row's connecting hole is one apart from three times of a; On web joint, be provided with two row's connecting holes along two different starting points of the length direction of connecting rod, two different starting points have spacing a on the length direction of connecting rod, and the spacing of respectively arranging connecting hole is the twice apart from a; The connecting hole of connecting rod end plate is inserted with web member with the connecting hole of the web joint of correspondence, so that the connecting rod end plate is connected with web joint.
The described uniaxiality tracking device that is used for photovoltaic generation, its further characteristics be, driving wheel is a sprocket wheel, and driving in the rope can be chain with the part of sprocket engagement, and remainder is a rope or belt.
The described uniaxiality tracking device that is used for photovoltaic generation, its further characteristics are that driving wheel is a reel, drives rope and is wire rope.
The described uniaxiality tracking device that is used for photovoltaic generation, its further characteristics be, maximum to follow the tracks of rotating range be ± 75 ° to the photovoltaic module on the carriage in East and West direction, promptly eastwards 75 ° to westwards 75 °.
The described uniaxiality tracking device that is used for photovoltaic generation, its further characteristics are to be oblique uniaxiality tracking device or horizontal uniaxiality tracking device.
Drive driving wheel through accessory drive and carry out forward and reverse rotation, and spur the engaged wheel that is fixed on the carriage with pulley and carry out forward and reverse rotation through driving rope, so drive carriage and above photovoltaic module carry out East and West direction and follow the tracks of and rotate.Simultaneously,, can realize one of an engaged wheel drive and carry out East and West direction tracking rotation, thereby realize how group photovoltaic module clustered were followed the tracks of day with bracket through being installed in swing arm and the connecting rod on the girder.
The driving wheel diameter can further strengthen the driving reduction gear ratio much smaller than engaged wheel, and therefore, identical drive motor can drive bigger load.The rotation following range is big, compares with the push-down tracking means, does not drive the dead angle.Photovoltaic module on the carriage is ± 75 ° at transmeridional maximum tracking rotating range.
Description of drawings
Fig. 1 is the front view along the axial uniaxiality tracking device of thing.
Fig. 2 be along A-A among Fig. 1 to cut-open view, wherein photovoltaic module has been rotated an angle.
Fig. 3 is the synoptic diagram of drive unit.
Fig. 4 is the synoptic diagram of another embodiment of drive unit.
Fig. 5 is the partial enlarged view at I place among Fig. 1.
Fig. 6 be among Fig. 5 B-B to cut-open view.
Fig. 7 is the partial enlarged view at II place among Fig. 2.
Fig. 8 be among Fig. 7 C-C to cut-open view.
Fig. 9 is the front view of an embodiment of bearing.
Figure 10 is the front view of another embodiment of bearing.
Figure 11 is the front view of an embodiment again of bearing.
Figure 12 is the front view of telescopic rod.
Figure 13 is the vertical view of telescopic rod.
Figure 14 is the decomposition view of telescopic rod.
Figure 15 is the uniaxiality tracking schematic representation of apparatus that weight linear meter is installed on the carriage.
Embodiment
Fig. 1 is the view of the projection on the plane of North and South direction, carried out.Fig. 2 is the view of the projection on the plane of east-west direction, carried out.For the ease of observing, position shown in Figure 2 is with respect to position shown in Figure 1, and girder rotates.
As depicted in figs. 1 and 2, in one embodiment of the invention, the uniaxiality tracking device comprises a plurality of generator units 2, and it is in the east-west direction arrangement of embarking on journey.Each generator unit 2 comprises carriage 10, support 14,15 and photovoltaic module 11.Carriage 10 comprises girder 13 and many purlins 12, and girder 13 extends in the plane of North and South direction, correspondingly is being connected with many purlins 12 that in the east-west direction plane, extend on the girder 13, and at least one photovoltaic module 11 is installed on the carriage 10.
Simultaneously with reference to Fig. 1 and Fig. 5, Fig. 6; Support 15 is supported by basis, ground (perhaps it is equal to the basis), and the upper end of support 15 is equipped with bearing 171, and bearing 171 is supporting rotating shaft 161; Rotating shaft 161 can freely be rotated in bearing 171, and an end of girder 13 is supported by rotating shaft 161.
Refer again to Fig. 1 and Fig. 7, Fig. 8; Two stands 14 is supported by basis, ground (perhaps it is equal to the basis); The upper end of each support 14 is equipped with bearing 172; Bearing 172 is supporting rotating shaft 162, and rotating shaft 162 can freely be rotated in bearing 172, and the other end of girder 13 is supported by the rotating shaft 162 that the bearing on the two stands 14 172 is supporting.
As shown in Figure 8, the projection of two stands 14 in the east-west direction plane intersects, and be as shown in Figure 7, and the projection of two stands 14 in the North and South direction plane is isolated.
With reference to Fig. 6 and Fig. 8 and Fig. 9, rotating shaft 161,162 is installed on the downside of girder 13 simultaneously, and the advantage of this structure is: (1) rotating shaft 161,162 diameters are less, and the spin friction resistance is little, and economical with materials; (2) the distance beta value at the center of the center of adjustment girder 13 and rotating shaft 161,162; Or the balancing weight 191 (shown in figure 15) that increases counter weight device 19 comes the counterbalance moment of balance rotating shaft both sides 161,162 about, helps driven bracket most and follows the tracks of the purpose of rotating to reach.
Extremely shown in Figure 11 like Fig. 9; Bearing 162,172 can be in the hole of bearing shaft liner self-lubricating material 18; Also liner self-lubricating material 18 not, self-lubricating material 18 is cylindrical shell, and self-lubricating material 18 rivetings are in the endoporus of bearing 162 or 172 among the embodiment as shown in Figure 9; Embodiment shown in figure 10, self-lubricating material 18 is a tight fit in the endoporus of bearing 162 or 172.
With reference to Fig. 5, Fig. 6, Fig. 7 and Fig. 8, each bearing 171,172 is connected on the corresponding support 15,14 through the securing member of can threading off simultaneously, and the securing member of can threading off for example is bolt, nut assembly.Loosening fasteners just can be adjusted the angle of the corresponding relatively support 15,14 of bearing 171,172, to guarantee that rotating shaft 161,162 is on same axis or parallel.
As depicted in figs. 1 and 2, in one embodiment of the invention, the uniaxiality tracking device also comprises drive unit 21 and gear train.This gear train comprises driving wheel 22, drives rope 23, pulley 24 and engaged wheel 25.
As shown in Figure 3, first end 231 that drives rope 23 is connected the first connecting portion 251a on the circular arc limit 251 of engaged wheel 25, and second end 232 is connected the second connecting portion 251b on the circular arc limit 251 of engaged wheel 25.The first connecting portion 251a and the second connecting portion 251b are circumferentially spaced apart engaged wheel 25.First end 231 and the rope between second end 232 that drive rope 23 twine driving wheel 22 and pulley 24, can between driving wheel 22 and engaged wheel 25, carry out transmission so that drive rope 23.Pulley 24 (idle pulley) mainly plays the effect of guiding.
As shown in Figure 3, driving wheel 22 can be sprocket wheel 22A, and correspondingly, driving rope 23 need be chain 230 with the part of driving wheel 22 engagements, and remainder can be wire rope 231.
As shown in Figure 4, when driving wheel 22 is reel, drives rope 23 and can adopt wire rope or other ropes or band.Driving wheel 22 also can be belt pulley.Rope comprises band.
The wheel hub of engaged wheel 25 is the carriage 10 of a generator unit 2, and is as shown in Figure 2, is the girder 13 of carriage 10.Engaged wheel 25 and girder 13 be for being fixedly connected, so engaged wheel 25 is when connecting, and girder 13 will rotate around its rotating shaft.Photovoltaic module 11 rotates with carriage 10.Therefore drive unit 21 rotatings will drive photovoltaic module 11 and rotate at east-west direction; To follow the tracks of sunshine; In one embodiment of this invention, at (promptly eastwards 75 ° to westwards 75 °) more than ± 75 °, so it is big to rotate following range at the transmeridional maximum rotating range of following the tracks of for the photovoltaic module 11 on the carriage 10; And compare with the push-down tracking means, do not drive the dead angle.
As shown in Figure 1, the girder 13 of carriage 10 is more than or equal to 0 ° with less than 90 ° with the angle scope of surface level.When α=0 °, embodiments of the invention are horizontal uniaxiality tracking device; When α＞0 °, embodiments of the invention are oblique uniaxiality tracking device.Girder 13 or carriage 10 provide fulcrum at two places by support at least.
Each generator unit 2 also comprises swing arm 31, and swing arm 31 is connected the downside of girder 13, and in abutting connection with the swing arm 31 of generator unit 2 of engaged wheel 25 also in abutting connection with this engaged wheel 25.
Connect through connecting rod 41 between the swing arm 31, the swing arm 31 of each generator unit 2 is parallel, as long as therefore a swing arm 31 swings are arranged, just can reach the effect of other swing arm 31 swings, thereby reaches the effect of generator unit 2 interlocks of embarking on journey.
To shown in Figure 14, connecting rod 41 comprises master connecting-rod 412 and the connecting rod end plate 411, the web joint 410 that are provided with in master connecting-rod 412 at least one ends like Figure 12.
On the connecting rod end plate 411, being provided with two row's connecting hole 411a along the identical starting point of the length direction of connecting rod 41, is 3a with the spacing of row's connecting hole 411a; Being connected of first row's i the connecting hole 411a and second row's i+1 connecting hole 411a participation and web joint 410; I is a natural number, and in embodiment shown in figure 15, i is 1; But in other embodiments, i can perhaps other meet the natural number of actual demand for 2.
Aforementioned first row and second row only name for the differentiation in statement, the qualification effect on the no physics implication, and the arbitrary row among the row of two on the connecting rod end plate 411 among Fig. 8 can be first row or second row.
On the web joint 410, being provided with two row's connecting holes along two different starting points of the length direction of connecting rod 41, is 2a with the spacing of row's connecting hole 410a; The spacing of two different starting points on the length direction of connecting rod 41 is a.Being connected on j+1 connecting hole 410a participation of first row's j the connecting hole 410a and second row and the connecting rod end plate 411; J is a natural number, and in embodiment shown in figure 15, j is 4; But in other embodiments, j can perhaps other meet the natural number of actual demand for 2.
Row can be first row on the web joint 410, and following row can be second row.Spacing between the row on spacing between the row on the connecting rod end plate 411 and the web joint 410 is identical.
Aforementioned i connecting hole is connected through web member with j connecting hole, and aforementioned i+1 connecting hole is connected through web member with j+1 connecting hole, and said web member for example connects and connects for bolt.Simultaneously with reference to Figure 12 to Figure 14, be appreciated that integral multiple according to the step-length a web joint 410 that moves to left or move to right, and then be connected, so the degree of regulation of the length of connecting rod 41 is a with connecting rod end plate 411.
Certainly; If the following row of web joint 410 is first row among Fig. 8; When last row is second row; Being connected on j+2 connecting hole 410a participation of first row's j the connecting hole 410a and second row and the connecting rod end plate 411, j is a natural number, and aforementioned i+1 connecting hole is connected through web member with j+2 connecting hole.
The telescopic structure of aforementioned connecting rod 41 not only is limited in as on the connecting rod 41 shown in the drawings, can also be used as support 15,14, so that the length of support 15,14 can regulate, and has higher degree of regulation.
Like Figure 12 to the embodiment shown in Figure 14; Connecting rod end plate 411 is fixed on the end of master connecting-rod 412; Connect with two bolt with the connecting hole on the diagonal angle with connecting rod end plate 411 between connecting rod end plate 411 and the web joint 410; Stretching between connecting rod end plate 411 and the web joint 410 can a be that step-length is regulated, and the advantage of this structure is to make step-length flexible between connecting rod end plate 411 and the web joint 410 short as far as possible, and then improves the degree of regulation of connecting rod 411 collapsing lengths.
Like Fig. 2, Fig. 3 and shown in Figure 4, driving wheel 22a, 22 can adopt horizontal arrangement or vertical layout as required with pulley 24.
The principle of work of the uniaxiality tracking device in the previous embodiment is: drive driving wheel 22 through accessory drive 21 and just carrying out or reverse rotation; And spur the engaged wheel 25 that is fixed on the girder 13 with pulley 24 and just carrying out or reverse rotation through driving rope 23, and then drive carriage 10 and above photovoltaic module 11 carry out East and West direction and follow the tracks of rotation.Simultaneously,, can realize that 25 one of drive of an engaged wheel and above generator unit 2 carry out East and West direction and follow the tracks of rotation, day followed the tracks of more thereby realize organizing the photovoltaic module clustered through being installed in the swing arm 31 and the connecting rod that is connected swing arm 31 41 on the girder 13.
Claims (9)
1. the uniaxiality tracking device that is used for photovoltaic generation; It is characterized in that, comprise generator unit, drive unit and gear train, wherein; Generator unit comprises and is used to install the carriage of photovoltaic module and the support of Support bracket that carriage can rotate at support upper edge east-west direction; Gear train comprises driving wheel, engaged wheel, pulley and driving rope, drives rope and twines driving wheel and pulley, and be connected two circumferential different parts of engaged wheel, can between driving wheel and engaged wheel, carry out transmission so that drive rope; This engaged wheel is installed on the carriage of generator unit, and can drive the carriage of this generator unit.
2. the uniaxiality tracking device that is used for photovoltaic generation as claimed in claim 1 is characterized in that, a plurality of generator units are in the east-west direction arrangement of embarking on journey; Each generator unit also comprises swing arm; Swing arm is installed on the carriage, can drive carriage, and the swing arm of each generator unit is parallel; Connected by connecting rod between the swing arm, this engaged wheel is installed on the carriage of a bill unit of this generator unit.
3. the uniaxiality tracking device that is used for photovoltaic generation as claimed in claim 1 is characterized in that engaged wheel is non-complete circle, is installed in the downside of carriage.
4. the uniaxiality tracking device that is used for photovoltaic generation as claimed in claim 1 is characterized in that carriage comprises girder and a plurality of purlin; Girder extends in the plane of North and South direction; Purlin is fixed on the girder, and the downside of girder is provided with the rotating shaft that interts in bearing, and this Bearing Installation is on support; Be provided at isolated at least two place's fulcrums in the plane of North and South direction so that support is a girder, the carriage of girder both sides and on load be that the center balances each other with the girder.
5. the uniaxiality tracking device that is used for photovoltaic generation as claimed in claim 1 is characterized in that, said connecting rod comprises master connecting-rod and the connecting rod end plate, the web joint that are provided with at least one end of master connecting-rod; On the connecting rod end plate, be provided with two row's connecting holes along the identical starting point of the length direction of connecting rod, the spacing of each row's connecting hole is one apart from three times of a; On web joint, be provided with two row's connecting holes along two different starting points of the length direction of connecting rod, two different starting points have spacing a on the length direction of connecting rod, and the spacing of respectively arranging connecting hole is the twice apart from a; The connecting hole of connecting rod end plate is inserted with web member with the connecting hole of the web joint of correspondence, so that the connecting rod end plate is connected with web joint.
6. the uniaxiality tracking device that is used for photovoltaic generation as claimed in claim 1 is characterized in that driving wheel is a sprocket wheel, and driving in the rope can be chain with the part of sprocket engagement, and remainder is a rope or belt.
7. the uniaxiality tracking device that is used for photovoltaic generation as claimed in claim 1 is characterized in that driving wheel is a reel, drives rope and is wire rope.
8. the uniaxiality tracking device that is used for photovoltaic generation as claimed in claim 1 is characterized in that, maximum to follow the tracks of rotating range be ± 75 ° to the photovoltaic module on the carriage in East and West direction, promptly eastwards 75 ° to westwards 75 °.
9. the uniaxiality tracking device that is used for photovoltaic generation as claimed in claim 1 is characterized in that, is oblique uniaxiality tracking device or horizontal uniaxiality tracking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110401563 CN102411373B (en) | 2011-12-06 | 2011-12-06 | Single axis tracking device for photovoltaic power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110401563 CN102411373B (en) | 2011-12-06 | 2011-12-06 | Single axis tracking device for photovoltaic power generation |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310169387.9A Division CN103279133B (en) | 2011-12-06 | 2011-12-06 | Single-shaft tracking mechanism for photovoltaic power generation |
| CN2013101693332A Division CN103235601A (en) | 2011-12-06 | 2011-12-06 | Single-shaft tracking device for photovoltaic power generation |
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| CN102411373A true CN102411373A (en) | 2012-04-11 |
| CN102411373B CN102411373B (en) | 2013-04-24 |
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| CN 201110401563 Active CN102411373B (en) | 2011-12-06 | 2011-12-06 | Single axis tracking device for photovoltaic power generation |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102739112A (en) * | 2012-06-27 | 2012-10-17 | 成都瑞迪机械实业有限公司 | Novel solar power generation tracing driving device |
| CN103279137A (en) * | 2013-06-28 | 2013-09-04 | 上海摩昆新能源科技有限公司 | Transmission mechanism and single-shaft tracking device for solar cells |
| CN103309358A (en) * | 2013-06-28 | 2013-09-18 | 上海摩昆新能源科技有限公司 | Vertical axis tracking device for solar power generation |
| CN104731110A (en) * | 2015-01-23 | 2015-06-24 | 北京雷蒙赛博机电技术有限公司 | Linear double coiling block rope driving device used for photovoltaic tracking support |
| CN104808697A (en) * | 2015-03-09 | 2015-07-29 | 北京雷蒙赛博机电技术有限公司 | Cable connection mode for driving multiple tracking supports by one driving device |
| CN104808700A (en) * | 2015-04-23 | 2015-07-29 | 北京雷蒙赛博机电技术有限公司 | Interactive pre-tightening mechanism of traction cable rope of cable rope driven photovoltaic tracking bracket |
| CN105162405A (en) * | 2015-06-29 | 2015-12-16 | 广东美的暖通设备有限公司 | Automatic tracking and two-dimensional rotating solar energy control system |
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| CN101567399A (en) * | 2009-06-11 | 2009-10-28 | 张晋 | General three-dimensional automatic tracking device of photovoltaic battery panel |
| CN201479045U (en) * | 2009-08-06 | 2010-05-19 | 王贵录 | Sunward horizontal-shaft single-shaft tracking system in east-west direction |
| CN202433778U (en) * | 2011-12-06 | 2012-09-12 | 上海摩昆新能源科技有限公司 | Homotaxial tracker for photovoltaic power generation |
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| US6058930A (en) * | 1999-04-21 | 2000-05-09 | Shingleton; Jefferson | Solar collector and tracker arrangement |
| CN101567399A (en) * | 2009-06-11 | 2009-10-28 | 张晋 | General three-dimensional automatic tracking device of photovoltaic battery panel |
| CN201479045U (en) * | 2009-08-06 | 2010-05-19 | 王贵录 | Sunward horizontal-shaft single-shaft tracking system in east-west direction |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102739112A (en) * | 2012-06-27 | 2012-10-17 | 成都瑞迪机械实业有限公司 | Novel solar power generation tracing driving device |
| CN103279137A (en) * | 2013-06-28 | 2013-09-04 | 上海摩昆新能源科技有限公司 | Transmission mechanism and single-shaft tracking device for solar cells |
| CN103309358A (en) * | 2013-06-28 | 2013-09-18 | 上海摩昆新能源科技有限公司 | Vertical axis tracking device for solar power generation |
| CN104731110A (en) * | 2015-01-23 | 2015-06-24 | 北京雷蒙赛博机电技术有限公司 | Linear double coiling block rope driving device used for photovoltaic tracking support |
| CN104808697A (en) * | 2015-03-09 | 2015-07-29 | 北京雷蒙赛博机电技术有限公司 | Cable connection mode for driving multiple tracking supports by one driving device |
| CN104808700A (en) * | 2015-04-23 | 2015-07-29 | 北京雷蒙赛博机电技术有限公司 | Interactive pre-tightening mechanism of traction cable rope of cable rope driven photovoltaic tracking bracket |
| CN105162405A (en) * | 2015-06-29 | 2015-12-16 | 广东美的暖通设备有限公司 | Automatic tracking and two-dimensional rotating solar energy control system |
| CN105162405B (en) * | 2015-06-29 | 2018-10-26 | 广东美的暖通设备有限公司 | One kind rotating solar control system from motion tracking and bidimensional |
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|---|---|
| CN102411373B (en) | 2013-04-24 |
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Address after: 201406, room 8, building 628, 170 Yang Yang Road, Shanghai, Fengxian District Patentee after: Shanghai Mokun New Energy Technology Co., Ltd. Address before: 201102 Shanghai Minhang District Gumei road 675 Lane 22, room 1301 Patentee before: Shanghai Mokun New Energy Technology Co., Ltd. |