CN109743006B - Cooling water guiding device for photovoltaic cell assembly - Google Patents
Cooling water guiding device for photovoltaic cell assembly Download PDFInfo
- Publication number
- CN109743006B CN109743006B CN201910178974.1A CN201910178974A CN109743006B CN 109743006 B CN109743006 B CN 109743006B CN 201910178974 A CN201910178974 A CN 201910178974A CN 109743006 B CN109743006 B CN 109743006B
- Authority
- CN
- China
- Prior art keywords
- photovoltaic cell
- groups
- cell assembly
- tops
- welded
- 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.)
- Active
Links
- 239000000498 cooling water Substances 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000005286 illumination Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 10
- 230000005494 condensation Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a cooling water flow guiding device for a photovoltaic cell assembly, which belongs to the technical field of solar cells and comprises two groups of bases, wherein supporting columns are welded at the tops of the two groups of bases, a mounting plate is obliquely welded between the tops of the two groups of supporting columns, brackets are riveted at the left side and the right side of the top of the mounting plate, grid meshes are obliquely welded between the tops of the two groups of brackets, the photovoltaic cell assembly is welded at the tops of the grid meshes, the grid meshes comprise transverse rods and vertical rods, and a plurality of groups of transverse rods are arranged at equal intervals; according to the solar photovoltaic cell assembly, the photovoltaic cell assembly is obliquely received by the two groups of bases through the support column inclined mounting plates with different heights, the illumination utilization rate is high, meanwhile, the inclined structure prevents water from flowing down, the photovoltaic cell assembly is fixed through the limiting blocks on the grid net, water between the cell pieces of the photovoltaic cell assembly falls into the arched grooves, then the water is guided through the guide grooves, and the cooling water guiding efficiency is high.
Description
Technical Field
The invention relates to the technical field of solar cells, in particular to a cooling water flow guiding device for a photovoltaic cell assembly.
Background
The solar cell module consists of a high-efficiency monocrystalline/polycrystalline solar cell, low-iron super Bai Rongmian toughened glass, EVA, TPT, interconnection bars, bus bars, a back plate and an aluminum alloy frame. The single solar cell cannot be directly used as a power supply. Several single batteries must be connected in series, parallel and tightly packaged into an assembly to be used as a power supply. Photovoltaic modules (commonly known as solar panels) are composed of solar cells (125 x 125mm, 156 x 156mm, 124 x 124mm, etc. for two specifications of the whole sheet) or of solar cells of different specifications cut by a laser cutter or a steel wire cutter. Since the current and voltage of the single solar cell are very small, we can connect them in series to obtain high voltage, then connect them in parallel to obtain high current, and output through a diode (to prevent current feedback). And they are encapsulated on a stainless steel, aluminum or other non-metallic frame, the back plate with the glass and back on it is installed, nitrogen is filled, and sealing is performed. Collectively referred to as a module, i.e., a photovoltaic module or solar cell module. The patent CN201521062176.6 discloses a heat pipe type concentrating photovoltaic cooling heat collector, which is installed on a photovoltaic cell and comprises a heat dissipation copper plate, an evaporation section, a heat pipe element and a water tank, wherein the heat dissipation copper plate is connected with the photovoltaic cell in a bonding mode, the heat pipe element is connected with the heat dissipation copper plate, the water tank is connected with the condensation section of the heat pipe element, the condensation section of the heat pipe element is connected with heat exchange fins, the condensation section provided with the heat exchange fins is installed in the water tank, working medium in the heat pipe element receives the thermal evaporation of the photovoltaic cell in the evaporation section and condenses into liquid in the condensation section, and the heat of the photovoltaic cell is transferred into the water tank. The device can rapidly cool the photovoltaic module, so that the temperature of the whole heat exchange surface is uniform; the waste heat obtained by cooling the photovoltaic can be fully utilized, the photovoltaic power generation efficiency is improved, and meanwhile, the surplus heat can be collected and utilized, so that the comprehensive utilization of solar energy, photoelectricity and photo-thermal is realized. However, in the existing photovoltaic power station, the photovoltaic cell assemblies are arranged in rows, gaps are reserved between the adjacent photovoltaic cell assemblies, and when water flow for cooling flows from top to bottom, leakage occurs at the gaps, so that the utilization rate of cooling water is low, and the water flow cannot sufficiently cool the photovoltaic cell assemblies below. Based on the above, the invention designs a cooling water guiding device for a photovoltaic cell assembly to solve the above problems.
Disclosure of Invention
The invention aims to provide a cooling water guiding device for a photovoltaic cell assembly, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a cooling water guiding device for photovoltaic cell subassembly, includes two sets of bases, two sets of the top of base has all welded the support column, two sets of incline welding has the mounting panel between the top of support column, the top left and right sides of mounting panel has all been riveted the support, two sets of incline welding has the grid net between the top of support, the top welding of grid net has the photovoltaic cell subassembly, the grid net includes horizontal pole and montant, the multiunit horizontal pole equidistant range, the multiunit the montant has all been welded at the left and right sides of horizontal pole, the multiunit all runs through the vertical equidistant montant that is equipped with of through-hole between the horizontal pole, two sets of adjacent welding has the stopper on the horizontal pole, arch recess has been run through to the surface central authorities of stopper, the guiding gutter has all been run through to incline to have been seted up to the top and bottom first half surface of stopper, the upper surface left and right sides border of guiding gutter all with adjacent the surface overlap joint of horizontal pole, the photovoltaic cell subassembly includes four sets of photovoltaic cell, the bottom all with the surface border welding of stopper of photovoltaic cell, the guiding gutter all is located the outside of photovoltaic cell.
Preferably, the right side of the support column is higher than the left side of the support column.
Preferably, the upper surface of the mounting plate is vertically and uniformly provided with drainage grooves, and the drainage grooves are parallel to the limiting block.
Preferably, the upper surface of the arch-shaped groove is higher than the lower surface, and the top and the bottom of the lower surface of the arch-shaped groove are respectively communicated with the water inlets of the diversion trenches at the top and the bottom.
Preferably, the water collection tanks are clamped between the two groups of the bases, the water inlet pipes are clamped on the inner walls of the water collection tanks, and the left ends of the bottoms of the mounting plates are clamped with the top water inlets of the water inlet pipes through buckles.
Preferably, the motor is connected to the center of the bottom of the mounting plate in a screwed manner, a rotating shaft is arranged at the power output end of the motor through an eccentric wheel, and the other end of the rotating shaft is in lap joint with the bottom of the mounting plate.
Compared with the prior art, the invention has the beneficial effects that: according to the solar photovoltaic cell assembly, the photovoltaic cell assembly is obliquely received by the two groups of bases through the support column inclined mounting plates with different heights, the illumination utilization rate is high, meanwhile, the inclined structure prevents water from flowing down, the photovoltaic cell assembly is fixed through the limiting blocks on the grid net, water between the cell pieces of the photovoltaic cell assembly falls into the arched grooves, then the water is guided through the guide grooves, and the cooling water guiding efficiency is high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention.
FIG. 2 is a schematic view of the structure of the grid net of the present invention.
Fig. 3 is a schematic view of a stopper structure according to the present invention.
Fig. 4 is a schematic structural view of a photovoltaic cell assembly according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
Two groups of bases 1, support columns 2, mounting plates 3, supports 4, grid meshes 5, photovoltaic cell assemblies 6, cross bars 7, vertical rods 8, limiting blocks 9, arched grooves 10, diversion trenches 11 and photovoltaic cell assemblies 12.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a cooling water guiding device for photovoltaic cell subassembly, including two sets of bases 1, the support column 2 has all been welded at the top of two sets of bases 1, incline welding has mounting panel 3 between the top of two sets of support columns 2, the support 4 has all been riveted to the top left and right sides of mounting panel 3, incline welding has grid net 5 between the top of two sets of support 4, grid net 5's top welding has photovoltaic cell subassembly 6, grid net 5 includes horizontal pole 7 and montant 8, multiunit horizontal pole 7 equidistant range, multiunit horizontal pole 7's both ends all weld montant 8, multiunit horizontal pole 7 is all run through the vertical equidistant montant 8 that is equipped with of through-hole between, welding has stopper 9 on the adjacent two sets of horizontal poles 7, stopper 9's surface central authorities run through and seted up arch recess 10, the top and the bottom first half surface of stopper 9 all incline and run through and have seted up guiding gutter 11, guiding gutter 11's upper surface left and right sides border all overlap joint with adjacent horizontal pole 7, photovoltaic cell subassembly 6 includes four sets of photovoltaic cell 12, four sets of photovoltaic cell 12's bottom all with stopper 9's surface border welding, the left and right sides of guiding gutter 11 all is located the outside of group 12.
Wherein the right side support column 2 is higher in height than the left side support column 2.
Drainage grooves are vertically and uniformly formed in the upper surface of the mounting plate 3 and are parallel to the limiting blocks 9.
The upper surface of the arch-shaped groove 10 is higher than the lower surface, and the top and bottom of the lower surface of the arch-shaped groove 10 are respectively communicated with the water inlets of the top and bottom diversion trenches 11.
The water collection tank is clamped between the two groups of bases 1, the water inlet pipe is clamped on the inner wall of the water collection tank, the left end of the bottom of the mounting plate 3 is clamped with the top water inlet of the water inlet pipe through the buckle, water in the water collection tank is recycled through purified gas, and water resources are saved.
The motor is connected to the bottom central authorities of mounting panel 3 in a threaded manner, and the power take off end of motor is equipped with the pivot through the eccentric wheel, and the other end of pivot and the bottom overlap joint of mounting panel 3 are rotated the pivot through the eccentric wheel for the tip of pivot beats mounting panel 3, and with mounting panel 3 ponding drainage get off, avoid ponding.
One specific application of this embodiment is: two sets of bases 1 incline mounting panel 3 through support column 2 that highly differs for photovoltaic cell module 6 slope receives solar energy illumination, and the illumination utilization ratio is high, and the while slope structure avoids ponding to flow down, fixes photovoltaic cell module 6 through stopper 9 on grid 5, makes the water between the battery piece of photovoltaic cell module 6 follow and falls into arch recess 10, and then carries out the water conservancy diversion through guiding gutter 11, and cooling water conservancy diversion is efficient.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (4)
1. Cooling water guiding device for photovoltaic cell assembly, including two sets of bases (1), its characterized in that: the tops of the two groups of bases (1) are welded with support columns (2), and the height of the support column (2) on the right side is higher than that of the support column (2) on the left side; the photovoltaic cell assembly comprises two groups of support columns (2), mounting plates (3) are obliquely welded between the tops of the support columns (2), brackets (4) are riveted on the left and right sides of the tops of the mounting plates (3), two groups of support columns (4), grid nets (5) are obliquely welded between the tops of the brackets (4), photovoltaic cell assemblies (6) are welded on the tops of the grid nets (5), the grid nets (5) comprise transverse rods (7) and vertical rods (8), multiple groups of transverse rods (7) are arranged at equal intervals, vertical rods (8) are welded on the left and right ends of the transverse rods (7), multiple groups of transverse rods (7) are vertically and equidistantly penetrated through holes, limiting blocks (9) are welded on the transverse rods (7), arch grooves (10) are formed in the surface centers of the limiting blocks (9) in a penetrating mode, guide grooves (11) are formed in the penetrating mode on the top and the front half surfaces of the bottom of the limiting blocks (9), the upper surfaces of the arch grooves (10) are higher than the lower surfaces, the tops and the bottoms of the arch grooves (10) are respectively arranged at equal intervals, the tops and the bottoms of the lower surfaces of the arch grooves (10) are respectively connected with water inlets (11) of the guide grooves (11), the photovoltaic cell assemblies (12) are connected with the left and right sides of the photovoltaic cell assemblies, the bottoms of the four groups of photovoltaic cell groups (12) are welded with the surface edges of the limiting blocks (9), and the left side and the right side of the diversion trench (11) are located on the outer side of the photovoltaic cell groups (12).
2. A cooling water deflector for a photovoltaic cell assembly as set forth in claim 1, wherein: drainage grooves are vertically and uniformly formed in the upper surface of the mounting plate (3), and the drainage grooves are parallel to the limiting blocks (9).
3. A cooling water deflector for a photovoltaic cell assembly as set forth in claim 1, wherein: the two groups of the water collection tanks are clamped between the bases (1), the water inlet pipes are clamped on the inner walls of the water collection tanks, and the left ends of the bottoms of the mounting plates (3) are clamped with the top water inlets of the water inlet pipes through buckles.
4. A cooling water deflector for a photovoltaic cell assembly as set forth in claim 1, wherein: the motor is connected to the center of the bottom of the mounting plate (3) in a threaded mode, a rotating shaft is arranged at the power output end of the motor through an eccentric wheel, and the other end of the rotating shaft is in lap joint with the bottom of the mounting plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910178974.1A CN109743006B (en) | 2019-03-11 | 2019-03-11 | Cooling water guiding device for photovoltaic cell assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910178974.1A CN109743006B (en) | 2019-03-11 | 2019-03-11 | Cooling water guiding device for photovoltaic cell assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109743006A CN109743006A (en) | 2019-05-10 |
| CN109743006B true CN109743006B (en) | 2024-05-24 |
Family
ID=66369977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910178974.1A Active CN109743006B (en) | 2019-03-11 | 2019-03-11 | Cooling water guiding device for photovoltaic cell assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109743006B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102668862B1 (en) * | 2020-03-04 | 2024-05-22 | 주식회사 엘지에너지솔루션 | Battery Rack And Power Storage System Comprising the Same |
| CN114553131A (en) * | 2020-11-18 | 2022-05-27 | 芜湖远景塑胶制品有限公司 | Photovoltaic module water guide mud discharging device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202042528U (en) * | 2011-02-24 | 2011-11-16 | 上海空间电源研究所 | A high energy density lithium-ion battery module |
| CN206005326U (en) * | 2016-08-22 | 2017-03-15 | 林柏伦 | The plant walls of easy disassembly |
| CN206559317U (en) * | 2017-03-17 | 2017-10-13 | 阳光电源股份有限公司 | Cooling water guide device for photovoltaic battery panel |
| CN107605108A (en) * | 2017-10-29 | 2018-01-19 | 成都亚联科科技有限公司 | A kind of photovoltaic building roof drainage structure |
| CN209389979U (en) * | 2019-03-11 | 2019-09-13 | 苏州联创智慧能源科技有限公司 | A kind of cooling water guide device for photovoltaic cell component |
-
2019
- 2019-03-11 CN CN201910178974.1A patent/CN109743006B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202042528U (en) * | 2011-02-24 | 2011-11-16 | 上海空间电源研究所 | A high energy density lithium-ion battery module |
| CN206005326U (en) * | 2016-08-22 | 2017-03-15 | 林柏伦 | The plant walls of easy disassembly |
| CN206559317U (en) * | 2017-03-17 | 2017-10-13 | 阳光电源股份有限公司 | Cooling water guide device for photovoltaic battery panel |
| CN107605108A (en) * | 2017-10-29 | 2018-01-19 | 成都亚联科科技有限公司 | A kind of photovoltaic building roof drainage structure |
| CN209389979U (en) * | 2019-03-11 | 2019-09-13 | 苏州联创智慧能源科技有限公司 | A kind of cooling water guide device for photovoltaic cell component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109743006A (en) | 2019-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109743006B (en) | Cooling water guiding device for photovoltaic cell assembly | |
| CN106679232A (en) | Low light concentration solar energy heat/electricity/cold integrated system | |
| CN210951916U (en) | Double-glass solar cell PV/T heat collector | |
| CN102270689A (en) | Electrothermal cogeneration cell panel for photovoltaic curtain walls | |
| CN109417105B (en) | Power generation method of sunlight and solar thermal composite power generation system using concentrating and flat-plate hybrid solar cells | |
| CN201726341U (en) | Swivel, elevation, rotating bracket, sun tracking, concentrating solar device | |
| CN209389979U (en) | A kind of cooling water guide device for photovoltaic cell component | |
| CN211063552U (en) | Mounting bracket of solar photovoltaic and photothermal plate | |
| CN209016074U (en) | A kind of preventing hot spot solar battery | |
| CN106409943B (en) | Three glass photovoltaic and photothermal integral components | |
| CN118100754A (en) | BIPV photovoltaic power generation system with aluminum honeycomb plate structure | |
| CN115218254B (en) | Combined heat and power solar heating system | |
| CN201820842U (en) | Novel liquid-flow frame device for vanadium ion redox liquid-flow battery | |
| CN211018760U (en) | Photovoltaic and photo-thermal integrated utilization device | |
| CN203747723U (en) | Miniature photo-thermal combined solar power station | |
| CN211182224U (en) | Novel battery plate structure for photovoltaic module | |
| CN106910790A (en) | Photovoltaic and photothermal component | |
| CN206349963U (en) | A kind of solar energy installation system | |
| CN217406491U (en) | Photovoltaic glass capable of realizing combined heat and power supply | |
| CN209963985U (en) | Photovoltaic and photo-thermal integrated device | |
| CN202586817U (en) | Photovoltaic solar power generation system | |
| CN205723571U (en) | Three glass photovoltaic and photothermal integral assemblies | |
| CN201795614U (en) | Frost-resistant flat-panel solar heat collector | |
| CN106982028B (en) | Groove type segmented concentrating solar photovoltaic and photo-thermal integrated assembly | |
| CN221354270U (en) | Photovoltaic heat dissipation plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240415 Address after: Room 6, No. 6 Mojie Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province, 215300 Applicant after: Suzhou kerida Intelligent Technology Co.,Ltd. Country or region after: China Address before: 215300 Room 268 Dengyun Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Applicant before: SUZHOU LIANCHUANG WISDOM ENERGY TECHNOLOGY Co.,Ltd. Country or region before: China |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |