CN105958107B - A kind of battery modules glue-pouring device - Google Patents
A kind of battery modules glue-pouring device Download PDFInfo
- Publication number
- CN105958107B CN105958107B CN201610569668.7A CN201610569668A CN105958107B CN 105958107 B CN105958107 B CN 105958107B CN 201610569668 A CN201610569668 A CN 201610569668A CN 105958107 B CN105958107 B CN 105958107B
- Authority
- CN
- China
- Prior art keywords
- glue
- battery modules
- plate
- component
- pouring
- 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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Links
- 239000003292 glue Substances 0.000 claims abstract description 72
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 238000005520 cutting process Methods 0.000 claims description 7
- 240000004282 Grewia occidentalis Species 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 240000005373 Panax quinquefolius Species 0.000 claims description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 7
- 229920000297 Rayon Polymers 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000001808 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/183—Sealing members
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/668—Means for preventing spilling of liquid or electrolyte, e.g. when the battery is tilted or turned over
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The present invention relates to battery modules former technical field more particularly to a kind of battery modules glue-pouring devices comprising support component, clamp assembly and encapsulating component；Support component includes push plate and bottom plate, and push plate is equipped with multiple through-holes, sealing ring is equipped in through-hole, and bottom plate is equipped with thimble, and bottom plate is connected with lifting assembly；Clamp assembly includes multiple gripping blocks, and multiple gripping blocks surround the cavity wall for accommodating glue, and gripping block is connected with drive component；Encapsulating component includes containing glue device, and it includes glue groove to contain glue device, and the bottom of glue groove is equipped with gum-injecting port, and glue groove is connected with moving assembly.A kind of battery modules glue-pouring device provided by the invention, encapsulating processing is carried out to the middle part of battery modules, wherein the structure of sealing is formed by gripping block and sealing ring, it can avoid excessive glue, and then glue is avoided to adhere on positive and negative anodes, it is ensured that battery modules have good electric conductivity, simultaneously, whole it can use automatic business processing, the efficiency for improving encapsulating, saves cost of labor, time saving and energy saving.
Description
Technical field
The present invention relates to battery modules former technical field more particularly to a kind of battery modules glue-pouring devices.
Background technology
Currently, the resources and environment problems of the haze faced, oil shortage and global warming etc., the fast development of electric vehicle
It plays a crucial role.However, how to ensure the safety and stability of batteries of electric automobile have become industry there is an urgent need for solution
Problem certainly.
Wherein, after to battery modules cast casting glue processing, have the function of good heat dissipation, sealing and damping,
To a certain extent, on fire, the explosion that can also alleviate battery, can effectively improve the safety and stability of battery.But needle
To being flexible coupling, battery modules encapsulating has the following disadvantages：
1, battery core positive and negative anodes shrapnel viscose glue, leads to poor contact；
2, encapsulating efficiency is low, time-consuming and laborious；
3, embedding glue other parts easy to pollute, it is not easy to clean.
Invention content
It is an object of the invention to propose a kind of battery modules glue-pouring device, to solve battery core existing in the prior art just
Cathode shrapnel viscose glue leads to poor contact, and encapsulating efficiency is low, time-consuming and laborious, embedding glue other parts easy to pollute, is not easy clear
Clean technical problem.
For this purpose, the present invention uses following technical scheme：
A kind of battery modules glue-pouring device, including support component, clamp assembly and encapsulating component；
The support component includes the push plate being overlapped mutually and bottom plate, and the push plate is equipped with multiple individually electric for grafting
The through-hole of pool unit, the through-hole is interior to be equipped with sealing ring, and the bottom plate is equipped with the thimble being oppositely arranged with the through-hole, described
Bottom plate is connected with lifting assembly；
The clamp assembly includes multiple gripping blocks, and multiple gripping blocks surround the cavity wall for accommodating glue, the clamping
Block is connected with drive component；
The encapsulating component includes containing glue device, and the Sheng glue device includes glue groove, and the bottom of the glue groove is equipped with gum-injecting port, institute
It states glue groove and is connected with moving assembly；
The lifting assembly, the driving component and the moving assembly are connected with controller.
Further, step cutting pattern is equipped at the port of the through-hole, the sealing ring is set on the step cutting pattern, institute
Push plate is stated equipped with the sealing plate for compressing the sealing ring, the sealing plate is fixedly connected with the push plate.
Further, the bottom plate and the push plate are in quadrangle, and the four corners of the bottom plate are respectively equipped with guide post,
The four corners of the push plate are respectively provided with the perforation for being socketed the guide post.
Further, the clamp assembly includes four gripping blocks, and each gripping block is respectively connected with guide rail, institute
It is pneumatic cylinder or hydraulic cylinder to state drive component.
Further, the bottom of the glue groove is equipped with multiple gum-injecting ports, and the bottom of the gum-injecting port is connected with injecting glue pipeline.
Further, the gripping block, the glue groove and the sealing plate are plastics or hardware non cohesive gel material.
Further, connection component is equipped between the adjacent gripping block, the connection component is the card that can be connected with each other
Button or electromagnet.
Further, further include mechanical arm assembly, the mechanical arm assembly is set to the side of the support component, the machine
Tool hand component includes pedestal, and the pedestal is equipped with the manipulator for fetching battery module.
A kind of battery modules glue-pouring device provided by the invention, in use, battery modules are arranged in support component, individually
The bottom of battery unit is plugged in through-hole, and gripping block surrounds cavity wall, surrounds the surrounding of battery modules, close in gripping block and bottom
A sealing space is formed under the action of seal；In the top of battery modules, injecting glue is carried out by containing glue device, i.e., every four single
Battery unit surrounds a soft hole, gum-injecting port encapsulating into soft hole；
It after the completion of injecting glue, waits for that gelling is solid, gripping block is removed by drive component, moving assembly, which is removed, contains glue device, passes through liter
Part of coming down to a lower group promotes bottom plate, and the thimble on bottom plate pushes battery unit, and battery modules is made to be lifted up, finally, battery modules with push away
Plate is detached from.
The battery modules glue-pouring device carries out encapsulating processing, wherein pass through gripping block and sealing to the middle part of battery modules
Circle forms the structure of sealing, can avoid excessive glue, and then glue is avoided to adhere on positive and negative anodes, it is ensured that battery modules have good lead
Electrically, meanwhile, whole automatic business processing can be used, improves the efficiency of encapsulating, saves cost of labor, it is time saving and energy saving.
Description of the drawings
Fig. 1 is the explosive view of battery modules glue-pouring device provided in an embodiment of the present invention；
Fig. 2 is the explosive view of battery modules glue-pouring device placing battery module provided in an embodiment of the present invention.
In figure：
1, battery modules；2, bottom plate；3, push plate；4, through-hole；5, gripping block；6, glue groove；7, sealing plate；8, sealing ring；9、
Guide post.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
As depicted in figs. 1 and 2, a kind of battery modules glue-pouring device, including support component, clamp assembly and encapsulating component；
Support component includes the push plate 3 being overlapped mutually and bottom plate 2, and push plate 3 is equipped with multiple for grafting single battery list
The through-hole 4 of member, through-hole 4 is interior to be equipped with sealing ring 8, and bottom plate 2 is equipped with the thimble being oppositely arranged with through-hole 4, and bottom plate 2 is connected with lifting
Component；
Clamp assembly includes multiple gripping blocks 5, and multiple gripping blocks 5 surround the cavity wall for accommodating glue, and gripping block 5 is connected with drive
Dynamic component；
Encapsulating component includes containing glue device, and it includes glue groove 6 to contain glue device, and the bottom of glue groove 6 is equipped with gum-injecting port, and glue groove 6 is connected with
Moving assembly；
Lifting assembly, drive component and moving assembly are connected with controller.
Step cutting pattern is equipped at the port of through-hole 4, sealing ring 8 is set on step cutting pattern platform, and push plate 3 is equipped with for compressing
The sealing plate 7 of sealing ring 8, sealing plate 7 are fixedly connected with push plate 3.
Sealing ring 8 is arranged on step cutting pattern, wherein the internal diameter of sealing ring 8 is slightly less than the internal diameter of through-hole 4, single battery
When through-hole 4 is inserted into the end of unit, sealing ring 8 packs tightly on the outer wall of battery, and when encapsulating, glue is downward along the outer wall of battery
Flowing, glue is by block at sealing ring 8, and then the phenomenon that avoid pole piece viscose glue, avoid the occurrence of poor contact.
Threaded hole is equipped in push plate 3, sealing plate 7 is equipped with mounting hole, and sealing plate 7, which is fixed with push plate 3 by screw, to be connected
It connects.
Bottom plate 2 and push plate 3 are in quadrangle, and the four corners of bottom plate 2 are respectively equipped with guide post 9, the four corners difference of push plate 3
Equipped with the perforation for being socketed guide post 9.
Bottom plate 2 connects lifting assembly, wherein lifting assembly can be crane or flexible cylinder or hydraulic cylinder, push plate 3
For stationary state, the range of bottom plate 2 in such a way that quadrangle is oriented to, makes bottom plate 2 within the length range of guide post 9
More stable lifting, it can be achieved that smoothly by through-hole 4 battery modules jack up.Wherein, lifting gear is arranged is oriented at four
Column 9 is formed by the center of quadrangle.
After the thimble of bottom plate 2 jacks up battery modules, after waiting for that battery modules are removed, under the action of lifting assembly,
Bottom plate 2 resets.
Clamp assembly includes four gripping blocks 5, and each gripping block 5 is respectively connected with guide rail, and drive component is pneumatic cylinder or liquid
Cylinder pressure.
It by drive component, controls each gripping block 5 and is moved on guide rail, after use, wait for that the glue solidifies, gripping block
5 reset.Wherein, connection component is equipped between adjacent gripping block 5, connection component is the buckle or electromagnet that can be connected with each other.Folder
Tight block 5 has certain fixed effect, is leaked to avoid there is gap when clamping battery modules between adjacent gripping block 5
Glue.Correspondingly, connection component needs the ease for operation for having certain, e.g., using the form of electromagnet, in the force of drive component
Under effect, you can realize connection and separation.
The bottom of glue groove 6 is equipped with multiple gum-injecting ports, and the bottom of gum-injecting port is connected with injecting glue pipeline.
There is glue injection channel certain refluence effect, every four battery units to surround to form a soft hole, and injecting glue pipeline is inserted
Enter onto soft hole, glue is made to be flowed into soft hole along injecting glue pipeline.Such form can avoid the random flowing of glue, improve clean
Degree, the phenomenon that being fallen on pole piece prevented also from glue, avoid the occurrence of poor contact.
Gripping block 5, glue groove 6 and sealing plate 7 are made of plastics or hardware non cohesive gel material.
Glue is flowed by glue groove 6 in the gap (soft hole) of battery modules, and glue is in the edge of battery modules and clamping
Block 5 is in contact, and is in contact with sealing plate 7 in bottom, therefore, in order to keep the cleannes of above-mentioned component, using non cohesive gel material
Support, after glue is used and solidified, without being adhered on above-mentioned component, the cleaning of holding surface avoids viscose glue.
Further include mechanical arm assembly, mechanical arm assembly is set to the side of support component, and mechanical arm assembly includes pedestal, pedestal
It is equipped with the manipulator for fetching battery module.Mechanical arm assembly is connected with controller, passes through manipulator fetching battery mould
Group improves the automatic effects of product, production effect higher.
The battery modules glue-pouring device uses automation control, is pushed away specifically, being placed on battery modules by manipulator
On plate 3, the battery unit of battery modules is inserted respectively into through-hole 4, and later, the gripping block 5 of clamp assembly is in drive component
Under effect, be bonded the outer wall of battery modules, with sealing plate 7 formed one sealing groove body, glue groove 6 under the action of moving assembly,
Be moved to the top of battery modules, injecting glue pipeline is aligned with soft hole, wherein multiple gum-injecting ports and injecting glue pipeline are set in glue groove 6.
Start injecting glue, glue is flowed along battery outer wall, and outside is by 5 block of gripping block, and bottom is by sealing plate 7 and sealing ring 8
Block, the final gap for being full of battery modules, after the glue solidifies, gripping block 5, glue groove 6 reset, later, in lifting assembly
Under effect, bottom plate 2 is promoted, the thimble on bottom plate 2 pushes up battery modules upwards, and battery modules are detached with through-hole 4, later, manipulator
The battery modules that encapsulating is completed are removed, bottom plate 2 resets, and can carry out encapsulating processing next time.
Wherein, under the premise of not influencing battery performance, whole device is placed on the environment that temperature is more than or equal to 40 DEG C
In, the glue solidifies for acceleration, improves encapsulating efficiency.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and it cannot be construed to limiting the scope of the invention in any way.Based on the explanation herein, the technology of this field
Personnel would not require any inventive effort the other specific implementation modes that can associate the present invention, these modes are fallen within
Within protection scope of the present invention.
Claims (7)
1. a kind of battery modules glue-pouring device, which is characterized in that including support component, clamp assembly and encapsulating component；
The support component includes the push plate (3) being overlapped mutually and bottom plate (2), and the push plate (3) is equipped with multiple for grafting
The through-hole (4) of single battery unit, the through-hole (4) is interior to be equipped with sealing ring (8), and the push plate (3) is equipped with for compressing
The sealing plate (7) of sealing ring (8) is stated, the bottom plate (2) is equipped with the thimble being oppositely arranged with the through-hole (4), the bottom plate
(2) it is connected with lifting assembly；
The clamp assembly includes multiple gripping blocks (5), and multiple gripping blocks (5) surround the cavity wall for accommodating glue, the folder
Tight block (5) is connected with drive component；
The encapsulating component includes containing glue device, and the Sheng glue device includes glue groove (6), and the bottom of the glue groove (6) is equipped with gum-injecting port,
The glue groove (6) is connected with moving assembly；
The lifting assembly, the driving component and the moving assembly are connected with controller；
The gripping block (5), the glue groove (6) and the sealing plate (7) are made of plastics or hardware non cohesive gel material.
2. battery modules glue-pouring device according to claim 1, which is characterized in that be equipped at the port of the through-hole (4)
Step cutting pattern, the sealing ring (8) are set on the step cutting pattern, and the sealing plate (7) is fixedly connected with the push plate (3).
3. battery modules glue-pouring device according to claim 1, which is characterized in that the bottom plate (2) and the push plate (3)
It is in quadrangle, the four corners of the bottom plate (2) are respectively equipped with guide post (9), and the four corners of the push plate (3) are respectively equipped with use
In the perforation for being socketed the guide post (9).
4. battery modules glue-pouring device according to claim 1, which is characterized in that the clamp assembly includes described in four
Gripping block (5), each gripping block (5) are respectively connected with guide rail, and the driving component is pneumatic cylinder or hydraulic cylinder.
5. battery modules glue-pouring device according to claim 1, which is characterized in that the bottom of the glue groove (6) is equipped with more
The bottom of a gum-injecting port, the gum-injecting port is connected with injecting glue pipeline.
6. battery modules glue-pouring device according to claim 1, which is characterized in that set between the adjacent gripping block (5)
It is the buckle or electromagnet that can be connected with each other to have connection component, the connection component.
7. battery modules glue-pouring device according to claim 1, which is characterized in that further include mechanical arm assembly, the machine
Tool hand component is set to the side of the support component, and the mechanical arm assembly includes pedestal, and the pedestal is equipped with for picking and placeing
The manipulator of battery modules (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610569668.7A CN105958107B (en) | 2016-07-18 | 2016-07-18 | A kind of battery modules glue-pouring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610569668.7A CN105958107B (en) | 2016-07-18 | 2016-07-18 | A kind of battery modules glue-pouring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105958107A CN105958107A (en) | 2016-09-21 |
| CN105958107B true CN105958107B (en) | 2018-08-14 |
Family
ID=56901007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610569668.7A Active CN105958107B (en) | 2016-07-18 | 2016-07-18 | A kind of battery modules glue-pouring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105958107B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7021589B2 (en) * | 2018-03-30 | 2022-02-17 | 日本ケミコン株式会社 | Power storage device module and power storage device holder |
| CN108598554B (en) * | 2018-05-07 | 2020-06-09 | 江苏恒驰动力科技有限公司 | Process for improving sealing performance of lithium ion battery cap |
| CN111755755A (en) * | 2020-07-07 | 2020-10-09 | 重庆力剑新能源科技有限公司 | Lithium ion battery pack mounting apparatus and method of use thereof |
| CN113560142A (en) * | 2021-08-05 | 2021-10-29 | 福建飞毛腿动力科技有限公司 | Low-cost high efficiency frock structure of battery case encapsulating |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102299386A (en) * | 2011-08-08 | 2011-12-28 | 能一郎科技股份有限公司 | Appearance glue filling method for soft package lithium ion power batteries |
| CN103985912A (en) * | 2014-04-11 | 2014-08-13 | 中银（宁波）电池有限公司 | Battery glue injection device |
| CN104241710A (en) * | 2014-08-19 | 2014-12-24 | 宁波倍特瑞能源科技有限公司 | Improved cell glue injection device |
| CN205231143U (en) * | 2015-12-25 | 2016-05-11 | 北京闪信鼎中技术有限公司 | Battery module power consumption core support and battery module |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101520873B1 (en) * | 2011-04-28 | 2015-05-15 | 도요타 지도샤（주） | Battery assembly, and vehicle |
-
2016
- 2016-07-18 CN CN201610569668.7A patent/CN105958107B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102299386A (en) * | 2011-08-08 | 2011-12-28 | 能一郎科技股份有限公司 | Appearance glue filling method for soft package lithium ion power batteries |
| CN103985912A (en) * | 2014-04-11 | 2014-08-13 | 中银（宁波）电池有限公司 | Battery glue injection device |
| CN104241710A (en) * | 2014-08-19 | 2014-12-24 | 宁波倍特瑞能源科技有限公司 | Improved cell glue injection device |
| CN205231143U (en) * | 2015-12-25 | 2016-05-11 | 北京闪信鼎中技术有限公司 | Battery module power consumption core support and battery module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105958107A (en) | 2016-09-21 |
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Effective date of registration: 20200424 Address after: 448000 No. 68, Jingnan Avenue, Duodao District, Jingmen high tech Zone, Jingmen City, Hubei Province Patentee after: Hubei Yiwei Power Co., Ltd Address before: Seven road 516006 in Guangdong province Huizhou City Zhongkai high tech Zone Huifeng No. 36 Patentee before: GUANGZHOU EVE CENS NEW ENERGY SYSTEM Co.,Ltd. |