CN111092599A - Solar cell panel test jig - Google Patents
Solar cell panel test jig Download PDFInfo
- Publication number
- CN111092599A CN111092599A CN201911316147.0A CN201911316147A CN111092599A CN 111092599 A CN111092599 A CN 111092599A CN 201911316147 A CN201911316147 A CN 201911316147A CN 111092599 A CN111092599 A CN 111092599A
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- China
- Prior art keywords
- motion
- solar panel
- horizontal
- vertical
- fixing
- 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.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000838 Al alloy 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
- 238000012790 confirmation Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
-
- 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
Abstract
A solar panel test rack comprising: the base is used for mounting each part; the movement mechanism is used for moving the fixing frame so as to enable the solar panel to horizontally translate and/or vertically translate; the motion mechanism is arranged on the base; the fixing frame is used for fixing the solar cell panel; the fixed frame is arranged on the motion mechanism; a controller for controlling movement of the motion mechanism to move the solar panel; the controller is connected with the motion mechanism. According to the solar cell panel testing jig provided by the invention, the testing jig can move up, down, left and right, is used for adjusting the relative position of the light source and the solar cell panel, and solves the problem that the light source cannot cover a large area of the solar cell panel; be provided with the multiple fixed frock of convenient to installation dismantlement on the mount, provide fixing device for the solar cell panel of various sizes.
Description
Technical Field
The invention belongs to the technical field of solar panel testing, and particularly relates to a solar panel testing frame.
Background
Rigid semi-rigid solar cell panel is used in space because track height and function are different, and the area of used solar cell panel is also not of uniform size, and the base plate type is also different, and in the face of different sizes, some problems can be encountered to the solar cell panel of different grade type when the test: the area of part of the solar cell panel is large and exceeds the illumination range, so that the test is difficult to complete on a fixed test frame; the area of some solar panels is very small, and the solar panels and large-area solar panels cannot share one set of fixing tool; after fixing solar cell panel, the test jig can produce the angle of inclination, reaches certain angle when the angle of inclination and can influence the test result.
Disclosure of Invention
In order to solve the above problems, the present invention provides a solar panel testing jig, including:
the base is used for mounting each part;
the movement mechanism is used for moving the fixing frame so as to enable the solar panel to horizontally translate and/or vertically translate; the motion mechanism is arranged on the base;
the fixing frame is used for fixing the solar cell panel; the fixed frame is arranged on the motion mechanism;
a controller for controlling movement of the motion mechanism to move the solar panel; the controller is connected with the motion mechanism.
Preferably, the bottom of the base is provided with universal wheels and ground feet.
Preferably, the movement mechanism comprises: the base with the horizontal motion mechanism set up in on the base, the bottom plate set up in on the base and be the horizontal direction motion along it, the support with the vertical motion mechanism set up in on the bottom plate, the connecting plate set up in on the support and be the vertical direction motion along it, the mount is fixed in on the connecting plate, the horizontal motion mechanism with the bottom plate is connected in order to control it and is in to be the horizontal direction motion on the base, the vertical motion mechanism with the connecting plate is connected in order to control it and is in to be the vertical direction motion on the support.
Preferably, the horizontal movement mechanism includes: the horizontal motion guide rail, the horizontal motion slider, horizontal motion ball and horizontal motion motor, wherein, the horizontal motion guide rail set up in on the base, the horizontal motion slider set up in on the bottom plate, and with horizontal motion guide rail adaptation installation, the horizontal motion ball respectively with the horizontal motion motor with the bottom plate is connected, the horizontal motion motor control the motion of horizontal motion ball, and drive the bottom plate is in horizontal direction motion is done on the horizontal motion guide rail.
Preferably, the vertical movement mechanism includes: the vertical motion guide rail is arranged on the support, the vertical motion sliding block is arranged on the connecting plate and is installed with the vertical motion guide rail in a matched mode, the vertical motion ball screw is connected with the vertical motion motor and the connecting plate respectively, and the vertical motion motor controls the vertical motion ball screw to move and drives the connecting plate to move in the vertical direction on the vertical motion guide rail.
Preferably, a fixing tool is arranged on the fixing frame, and the fixing tool fixes the solar panel on the fixing frame.
Preferably, the fixing tool comprises a plate supporting device, the plate supporting device is arranged at the bottom of the fixing frame, and the solar panel is supported on the plate supporting device.
Preferably, the fixing tool comprises a plate fixing device, the plate fixing device is arranged on the fixing frame, and the solar panel is fixed on the plate fixing device.
Preferably, the fixing tool further comprises a plate hanger, the plate hanger is arranged on the fixing frame, and the solar panel is fixed on the plate hanger.
Preferably, the method further comprises the following steps: the collimation testing mechanism is used for testing the horizontal and/or vertical state of the testing frame; the collimation testing mechanism is arranged on the fixing frame.
According to the solar cell panel testing jig provided by the invention, the testing jig can move up, down, left and right, is used for adjusting the relative position of the light source and the solar cell panel, and solves the problem that the light source cannot cover a large area of the solar cell panel; be provided with the multiple fixed frock of convenient to installation dismantlement on the mount, provide fixing device for the solar cell panel of various sizes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front structural view of a solar panel test rack provided by the present invention;
fig. 2 is a schematic diagram of a back structure of a solar panel testing jig according to the present invention;
FIG. 3 is a schematic structural diagram of a movement mechanism of a solar panel test rack provided by the invention;
FIG. 4 is a schematic structural diagram of a carrier of a solar panel test rack provided by the invention;
FIG. 5 is a schematic structural diagram of a plate fixer of the solar panel test rack provided by the invention;
fig. 6 is a schematic structural diagram of a plate hanger of a solar panel test rack provided by the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-3, in an embodiment of the present application, the present application provides a solar panel testing jig, including: the base 10, the moving mechanism 20, the fixing frame 30, and a controller (not shown), which are described in detail below.
As shown in fig. 1-3, in an embodiment of the present application, the present application provides a solar panel testing jig, including:
a base 10 for mounting each component;
a movement mechanism 20 for moving the fixing frame 30 to horizontally translate and/or vertically translate the solar panel; the movement mechanism 20 is arranged on the base 10;
a fixing frame 30 for fixing the solar cell panel; the fixed frame 30 is arranged on the moving mechanism 20;
a controller for controlling the movement of the motion mechanism 20 to move the solar panel; the controller is connected to the motion mechanism 20.
When the solar panel test jig provided by the application is used, the solar panel is fixed on the fixing frame 30, and then the controller is used for controlling the movement mechanism 20 to control the fixing frame 30 to move in the horizontal direction and/or the vertical direction relative to the base 10, so that the relative position of the light source and the solar panel is adjusted.
Referring to fig. 1 and 2, in the present embodiment, universal wheels 11 and ground feet 12 are disposed at the bottom of the base 10. The universal wheels 11 can move the base 10 so as to move the whole test rack, and the feet 12 can assist in supporting the base 10.
In the embodiment of the present application, the base 10 is a steel bracket structure, and is mainly composed of square steel. When fixing the great weight solar cell panel of great size, need increase the counter weight for base 10 to guarantee that the center is steady, the base 10 surface can be according to appointed colour processing of spraying paint. The protruding edges and corners of the base 10 need to be provided with protective rubber strips to prevent the protective rubber strips from damaging the solar cell array in the installation and disassembly processes.
As shown in fig. 3, in the embodiment of the present application, the movement mechanism 20 includes: the base 21, the bottom plate 22, the support 23, the connecting plate 24, the horizontal movement mechanism 25 and the vertical movement mechanism 26, wherein, the base 21 with the horizontal movement mechanism 25 set up in on the base 10, the bottom plate 22 set up in on the base 21 and do the horizontal direction motion along it, the support 23 with the vertical movement mechanism 26 set up in on the bottom plate 22, the connecting plate 24 set up in on the support 23 and do the vertical direction motion along it, the mount 30 is fixed in on the connecting plate 24, the horizontal movement mechanism 25 with the bottom plate 22 is connected in order to control it to be in do the horizontal direction motion on the base 21, the vertical movement mechanism 26 with the connecting plate 24 is connected in order to control it is in do the vertical direction motion on the support 23.
As shown in fig. 3, in the present embodiment, the horizontal movement mechanism 25 includes: the horizontal movement mechanism comprises a horizontal movement guide rail 251, a horizontal movement slider 252, a horizontal movement ball screw 253 and a horizontal movement motor 254, wherein the horizontal movement guide rail 251 is arranged on the base 21, the horizontal movement slider 252 is arranged on the bottom plate 22 and is matched with the horizontal movement guide rail 251, the horizontal movement ball screw 253 is respectively connected with the horizontal movement motor 254 and the bottom plate 22, and the horizontal movement motor 254 controls the horizontal movement ball screw 253 to move and drives the bottom plate 22 to move horizontally on the horizontal movement guide rail 251.
As shown in fig. 3, in the present embodiment, the vertical movement mechanism 26 includes: the vertical motion mechanism comprises a vertical motion guide 261, a vertical motion slider 262, a vertical motion ball screw 263 and a vertical motion motor 264, wherein the vertical motion guide 261 is arranged on the bracket 23, the vertical motion slider 262 is arranged on the connecting plate 24 and is matched with the vertical motion guide 261, the vertical motion ball screw 263 is respectively connected with the vertical motion motor 264 and the connecting plate 24, and the vertical motion motor 264 controls the vertical motion ball screw 263 to move and drives the connecting plate 24 to move vertically on the vertical motion guide 261.
As shown in fig. 1, in the embodiment of the present application, a fixing tool 31 is disposed on the fixing frame 30, and the fixing tool 31 fixes the solar panel on the fixing frame 30.
As shown in fig. 1, in the embodiment of the present application, the fixing tool 31 includes a plate supporter 32, the plate supporter 32 is disposed at the bottom of the fixing frame 30, and the solar panel is supported by the plate supporter.
Referring to fig. 4, in the embodiment of the present application, the upper surface of the plate supporter 32 is protruded with a protruding strip 321, the solar panel is supported on the upper surface of the plate supporter 32, and the protruding strip 321 abuts against the solar panel to prevent the solar panel from falling off the upper surface of the plate supporter 32.
As shown in fig. 1, in the embodiment of the present application, the fixing tool 31 includes a plate fixer 33, the plate fixer 33 is disposed on the fixing frame 30, and the solar panel is fixed on the plate fixer 33.
Referring to fig. 5, in the embodiment of the present application, a fixing plate 331 is disposed on an outer side wall of the plate holder 33, a solar panel is accommodated between the fixing plate 331 and the plate holder 33, and the solar panel is fixed on the fixing plate 331 by screws.
As shown in fig. 1, in the embodiment of the present application, the fixing tool 31 further includes a plate hanger 34, the plate hanger 34 is disposed on the fixing frame 30, and the solar panel is fixed on the plate hanger 34.
Referring to fig. 6, in the embodiment of the present invention, the hanger 34 is disposed on the top of the fixing frame 30, and a connecting member 351 is disposed on the bottom wall of the fixing frame, and the connecting member 351 is fixed to the solar panel, thereby fixing the solar panel to the hanger 34. The connector 351 may be a screw, a clamp, or the like.
In the embodiment of the present application, the main body of the fixing frame 30 is assembled by aluminum profiles, which has the advantages of convenient assembly, easy structure adjustment, light weight, stable structure, and convenient suspension and arrangement of different products. Adopt high strength aluminium alloy frame, adopt internal connection and external connection, guarantee the stability that each part of mount 30 is connected, guarantee its plane deformation simultaneously within 5 degrees, guarantee the whole planar level of mount 30, be convenient for adjust the interrelationship of test surface and light source. The back of the fixing frame 30 is provided with a table board for placing the test box and a tool for fixing the test wire, so that the whole test process can be conveniently operated.
In this application embodiment, this application provides still including of solar cell panel test jig: an alignment testing mechanism (not shown) for testing the horizontal and/or vertical state of the test rack; the collimation testing mechanism is arranged on the fixing frame 30.
In the embodiment of the application, the collimation testing mechanism comprises a laser level which can emit 12-line 3D light beams for reference and confirmation of the vertical state of the testing surface of the testing jig.
In the embodiment of the present application, the controller may be a controller that is connected to the moving mechanism 20 by wire, or may be a remote controller that is connected to the moving mechanism 20 wirelessly.
According to the solar cell panel testing jig provided by the invention, the testing jig can move up, down, left and right, is used for adjusting the relative position of the light source and the solar cell panel, and solves the problem that the light source cannot cover a large area of the solar cell panel; be provided with the multiple fixed frock of convenient to installation dismantlement on the mount, provide fixing device for the solar cell panel of various sizes.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. The utility model provides a solar cell panel test jig which characterized in that includes:
the base is used for mounting each part;
the movement mechanism is used for moving the fixing frame so as to enable the solar panel to horizontally translate and/or vertically translate; the motion mechanism is arranged on the base;
the fixing frame is used for fixing the solar cell panel; the fixed frame is arranged on the motion mechanism;
a controller for controlling movement of the motion mechanism to move the solar panel; the controller is connected with the motion mechanism.
2. The solar panel test jig of claim 1, wherein the base is provided at a bottom thereof with universal wheels and feet.
3. The solar panel test rack of claim 1, wherein the motion mechanism comprises: the base with the horizontal motion mechanism set up in on the base, the bottom plate set up in on the base and be the horizontal direction motion along it, the support with the vertical motion mechanism set up in on the bottom plate, the connecting plate set up in on the support and be the vertical direction motion along it, the mount is fixed in on the connecting plate, the horizontal motion mechanism with the bottom plate is connected in order to control it and is in to be the horizontal direction motion on the base, the vertical motion mechanism with the connecting plate is connected in order to control it and is in to be the vertical direction motion on the support.
4. The solar panel test rack of claim 3, wherein the horizontal motion mechanism comprises: the horizontal motion guide rail, the horizontal motion slider, horizontal motion ball and horizontal motion motor, wherein, the horizontal motion guide rail set up in on the base, the horizontal motion slider set up in on the bottom plate, and with horizontal motion guide rail adaptation installation, the horizontal motion ball respectively with the horizontal motion motor with the bottom plate is connected, the horizontal motion motor control the motion of horizontal motion ball, and drive the bottom plate is in horizontal direction motion is done on the horizontal motion guide rail.
5. The solar panel test rack of claim 3, wherein the vertical motion mechanism comprises: the vertical motion guide rail is arranged on the support, the vertical motion sliding block is arranged on the connecting plate and is installed with the vertical motion guide rail in a matched mode, the vertical motion ball screw is connected with the vertical motion motor and the connecting plate respectively, and the vertical motion motor controls the vertical motion ball screw to move and drives the connecting plate to move in the vertical direction on the vertical motion guide rail.
6. The solar panel testing jig according to claim 1, wherein a fixing tool is arranged on the fixing frame, and the fixing tool fixes the solar panel on the fixing frame.
7. The solar panel test jig of claim 6, wherein the fixing tool comprises a plate supporting device, the plate supporting device is arranged at the bottom of the fixing frame, and the solar panel is supported on the plate supporting device.
8. The solar panel test jig of claim 6, wherein the fixing tool comprises a panel fixing device, the panel fixing device is arranged on the fixing frame, and the solar panel is fixed on the panel fixing device.
9. The solar panel test jig of claim 6, wherein the fixing tool further comprises a plate hanger, the plate hanger is arranged on the fixing frame, and the solar panel is fixed on the plate hanger.
10. The solar panel test rack of claim 1, further comprising: the collimation testing mechanism is used for testing the horizontal and/or vertical state of the testing frame; the collimation testing mechanism is arranged on the fixing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911316147.0A CN111092599B (en) | 2019-12-19 | 2019-12-19 | Solar cell panel test jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911316147.0A CN111092599B (en) | 2019-12-19 | 2019-12-19 | Solar cell panel test jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111092599A true CN111092599A (en) | 2020-05-01 |
| CN111092599B CN111092599B (en) | 2021-02-19 |
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ID=70395209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911316147.0A Active CN111092599B (en) | 2019-12-19 | 2019-12-19 | Solar cell panel test jig |
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| Country | Link |
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| CN (1) | CN111092599B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630477A (en) * | 2020-12-25 | 2021-04-09 | 上海捷氢科技有限公司 | Testing device for parts of fuel cell system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201508401U (en) * | 2009-06-26 | 2010-06-16 | 北京卓立汉光仪器有限公司 | Solar battery piece test device |
| CN102095494A (en) * | 2010-12-29 | 2011-06-15 | 常州亿晶光电科技有限公司 | Single-sweep irradiance test support for ultraviolet aging test box |
| CN102384987A (en) * | 2010-08-27 | 2012-03-21 | 上海晨兴希姆通电子科技有限公司 | Supporting device and solar energy testing tooling including same |
| US20190199283A1 (en) * | 2017-12-22 | 2019-06-27 | Korea Aerospace Research Institute | Deployment test apparatus |
| CN209117843U (en) * | 2018-07-06 | 2019-07-16 | 中国航空工业集团公司济南特种结构研究所 | A kind of multiaxis test table based on focus lens antenna |
-
2019
- 2019-12-19 CN CN201911316147.0A patent/CN111092599B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201508401U (en) * | 2009-06-26 | 2010-06-16 | 北京卓立汉光仪器有限公司 | Solar battery piece test device |
| CN102384987A (en) * | 2010-08-27 | 2012-03-21 | 上海晨兴希姆通电子科技有限公司 | Supporting device and solar energy testing tooling including same |
| CN102095494A (en) * | 2010-12-29 | 2011-06-15 | 常州亿晶光电科技有限公司 | Single-sweep irradiance test support for ultraviolet aging test box |
| US20190199283A1 (en) * | 2017-12-22 | 2019-06-27 | Korea Aerospace Research Institute | Deployment test apparatus |
| CN209117843U (en) * | 2018-07-06 | 2019-07-16 | 中国航空工业集团公司济南特种结构研究所 | A kind of multiaxis test table based on focus lens antenna |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630477A (en) * | 2020-12-25 | 2021-04-09 | 上海捷氢科技有限公司 | Testing device for parts of fuel cell system |
| CN112630477B (en) * | 2020-12-25 | 2023-03-14 | 上海捷氢科技股份有限公司 | Testing device for parts of fuel cell system |
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| Publication number | Publication date |
|---|---|
| CN111092599B (en) | 2021-02-19 |
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Effective date of registration: 20211125 Address after: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Patentee after: The 18th Research Institute of China Electronics Technology Group Corporation Patentee after: CETC Energy Co.,Ltd. Address before: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Patentee before: The 18th Research Institute of China Electronics Technology Group Corporation |
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Effective date of registration: 20221009 Address after: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Patentee after: CETC Energy Co.,Ltd. Address before: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Patentee before: The 18th Research Institute of China Electronics Technology Group Corporation Patentee before: CETC Energy Co.,Ltd. |
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Address after: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Patentee after: CETC Blue Sky Technology Co.,Ltd. Address before: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Patentee before: CETC Energy Co.,Ltd. |