CN218473077U - Support frame for solar photovoltaic power generation construction - Google Patents
Support frame for solar photovoltaic power generation construction Download PDFInfo
- Publication number
- CN218473077U CN218473077U CN202221742001.XU CN202221742001U CN218473077U CN 218473077 U CN218473077 U CN 218473077U CN 202221742001 U CN202221742001 U CN 202221742001U CN 218473077 U CN218473077 U CN 218473077U
- Authority
- CN
- China
- Prior art keywords
- power generation
- photovoltaic power
- mounting plate
- swing arm
- rotating shaft
- 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
Images
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 utility model relates to the technical field of photovoltaic power generation, and provides a support frame for solar photovoltaic power generation construction, which comprises a base, two upright posts fixed on the base, and a mounting plate arranged between the two upright posts; the mounting plate is rotationally connected with the two upright posts through a horizontal rotating shaft; a driving mechanism is arranged between the upright post and the mounting plate; the driving mechanism comprises a motor, a swing arm and a transmission arm; the motor is arranged on the upright post, and an output shaft of the motor is parallel to the horizontal rotating shaft; the swing arm is vertical to the horizontal rotating shaft, and one end of the swing arm is fixedly connected with an output shaft of the motor; two ends of the transmission arm are respectively hinged with the swing arm and the mounting plate. After installing photovoltaic power generation board to the mounting panel, through the cooperation of motor, swing arm and driving arm, just can drive the mounting panel and rotate around horizontal rotating shaft, adjust the inclination of mounting panel, and then adjust photovoltaic power generation board's photic angle to satisfy the receiving demand of different periods to light, improve the collection storage efficiency of light energy power generation board to light energy.
Description
Technical Field
The utility model belongs to the technical field of the photovoltaic power generation technique and specifically relates to a support frame is used in solar photovoltaic power generation construction.
Background
The photovoltaic power generation is based on the principle of photovoltaic effect, solar energy is directly converted into electric energy by using a solar cell, and a photovoltaic power generation system mainly comprises a photovoltaic power generation panel, a controller and an inverter, wherein the photovoltaic power generation panel, the controller and the inverter are mainly composed of electronic components, but mechanical components are not involved.
When the photovoltaic power generation panel is installed and constructed, the support frame is required to be used for installing and supporting the photovoltaic power generation panel, but the existing support frame is relatively fixed and cannot adjust the light receiving angle of the photovoltaic power generation panel according to the irradiation angle of the sun, so that the collection and storage efficiency of the photovoltaic power generation panel to light energy is reduced; moreover, the photovoltaic power generation panel is mostly placed in the open air, so that dust falls on the light receiving surface of the photovoltaic power generation panel after long-time use, and the dust can shield the light receiving surface to a certain extent, thereby influencing the conversion effect of light energy.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a support frame is used in solar photovoltaic power generation construction, after photovoltaic power generation board installs to the support frame, can adjust photovoltaic power generation board's photic angle.
The utility model provides a technical scheme that its technical problem adopted is: the support frame for the solar photovoltaic power generation construction comprises a base, two stand columns fixed on the base and a mounting plate arranged between the two stand columns;
the mounting plate is rotatably connected with the two upright posts through a horizontal rotating shaft; a driving mechanism for driving the mounting plate to rotate around the horizontal rotating shaft is arranged between one of the upright posts and the mounting plate;
the driving mechanism comprises a motor, a swing arm and a transmission arm; the motor is arranged on the upright post, and an output shaft of the motor is parallel to the horizontal rotating shaft; the swing arm is vertical to the horizontal rotating shaft, and one end of the swing arm is fixedly connected with an output shaft of the motor; and two ends of the transmission arm are respectively hinged with the swing arm and the mounting plate.
Furthermore, a driving mechanism for driving the mounting plate to rotate around the horizontal rotating shaft is arranged between the two upright posts and the mounting plate.
Further, the transmission arm is hinged with the swing arm through a first hinge structure; the first hinge structure comprises a through hole arranged on the transmission arm, a threaded hole arranged on the swing arm, and a bolt which penetrates through the through hole of the transmission arm and is in threaded connection with the threaded hole of the swing arm.
Furthermore, the swing arm is provided with at least two threaded holes at intervals along the length direction of the swing arm.
Further, a cleaning roller parallel to the horizontal rotating shaft is arranged above the mounting plate; sliding seats are rotatably arranged at two ends of the cleaning roller; the sliding seat is installed on the installation plate in a sliding mode along the direction perpendicular to the axial direction of the cleaning roller.
Furthermore, a sliding groove is formed in the position, opposite to the sliding seat, of the mounting plate; the sliding seat is in sliding fit in the sliding groove corresponding to the sliding seat.
Further, rolling grooves are formed in two side walls of the sliding groove; and the sliding seat is provided with a roller which is matched in the rolling groove in a rolling way.
Further, the base comprises a cross rod and two longitudinal rods; the horizontal pole and the equal level setting of vertical pole, and the both ends of horizontal pole respectively with two vertical pole fixed connection.
Furthermore, the end part of the transverse rod is fixedly connected with the middle of the longitudinal rod.
Furthermore, the lower ends of the two upright posts are respectively fixedly connected with the two longitudinal rods.
The utility model has the advantages that:
1. the utility model provides a support frame is used in solar photovoltaic power generation construction, after installing photovoltaic power generation board to the mounting panel, through the cooperation of motor, swing arm and driving arm, just can drive the mounting panel and rotate around horizontal rotating shaft, adjust the inclination of mounting panel, and then adjust photovoltaic power generation board's photic angle to satisfy the receiving demand of different periods to light, improve the collection storage efficiency of light energy power generation board to light energy.
2. The utility model provides a support frame is used in solar photovoltaic power generation construction through set up two at least screw holes on the swing arm, can install the bolt to the screw hole of difference in, change the turning radius of transmission arm and swing arm junction, and then adjust the range of rotation of mounting panel to satisfy the receiving demand of different mounted position to light.
3. The utility model provides a support frame is used in solar photovoltaic power generation construction, through setting up the cleaning roller, and rotate the sliding seat of installation sliding fit on the mounting panel at the both ends of cleaning roller, when the mounting panel slope, the cleaning roller just can move down under the effect of gravity, and then cleans through the dust of cleaning roller on the sensitive surface of photovoltaic power generation board of installation to the mounting panel, solved prior art because the dust falls on the sensitive surface of photovoltaic power generation board and lead to partial sensitive surface to be shielded and influence the problem of light energy conversion effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below; it is obvious that the drawings in the following description are only some of the embodiments described in the present application, and that other drawings can be derived from these drawings by a person skilled in the art without inventive effort.
Fig. 1 is a schematic structural view of a support frame for solar photovoltaic power generation construction provided by the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a schematic structural view of another view angle of the support frame for solar photovoltaic power generation construction provided by the present invention;
FIG. 4 is an enlarged view at B in FIG. 3;
fig. 5 is a schematic structural view of the sliding seat in sliding fit with the mounting plate.
The reference numbers in the figures are: 10-base, 11-upright post, 12-mounting plate, 13-horizontal rotating shaft, 14-motor, 15-swing arm, 16-transmission arm, 17-threaded hole, 18-bolt, 19-cleaning roller, 20-sliding seat, 21-sliding groove, 22-rolling groove, 23-roller, 24-transverse rod, 25-longitudinal rod and 26-photovoltaic power generation plate.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. In case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.
The first embodiment is as follows:
referring to fig. 1 to 4, the support frame for solar photovoltaic power generation construction provided by the present invention is used for mounting and supporting a photovoltaic power generation panel 26, and comprises a base 10, two columns 11 fixed on the base 10, and a mounting plate 12 arranged between the two columns 11; the mounting plate 12 is rotatably connected with the two upright posts 11 through a horizontal rotating shaft 13; a driving mechanism for driving the mounting plate 12 to rotate around the horizontal rotating shaft 13 is arranged between one upright post 11 and the mounting plate 12; the driving mechanism comprises a motor 14, a swing arm 15 and a transmission arm 16; the motor 14 is arranged on the upright post 11, and an output shaft of the motor 14 is parallel to the horizontal rotating shaft 13; the swing arm 15 is perpendicular to the horizontal rotating shaft 13, and one end of the swing arm is fixedly connected with an output shaft of the motor 14; the two ends of the transmission arm 16 are respectively hinged with the swing arm 15 and the mounting plate 12.
The base 10 serves as a support for supporting the other components of the support frame. For example, referring to fig. 1 and 3, the base 10 includes a crossbar 24 and two side rails 25; the cross rod 24 and the longitudinal rods 25 are horizontally arranged, and two ends of the cross rod 24 are fixedly connected with the two longitudinal rods 25 respectively. Preferably, the two longitudinal bars 25 are arranged in parallel, and the ends of the cross bar 24 are fixedly connected with the middle of the longitudinal bars 25. Of course, the base 10 may have other structures, and is not limited in this respect.
The upright posts 11 are vertically arranged, and the number of the upright posts 11 is two. The lower ends of the two upright posts 11 are fixedly connected with the base 10. In this embodiment, the lower ends of the two vertical posts 11 are respectively fixedly connected with the two vertical rods 25. Preferably, the lower end of the upright post 11 is fixedly connected with the middle of the vertical rod 25.
Referring to fig. 1, 3 and 4, the mounting plate 12 is disposed between the two columns 11 and is rotatably connected to the two columns 11 through a horizontal rotating shaft 13, so that the mounting plate 12 can rotate around the horizontal rotating shaft 13. As an embodiment, the horizontal rotating shaft 13 is fixedly connected to the mounting plate 12, the upright post 11 is provided with a mounting hole into which the horizontal rotating shaft 13 is inserted, and two ends of the horizontal rotating shaft 13 are respectively inserted into the mounting holes of the upright post 11 corresponding thereto, so that the horizontal rotating shaft 13 can rotate in the mounting hole on the upright post 11. The horizontal rotating shaft 13 may be a shaft, or may be two shafts coaxially disposed, and is not limited in particular. The photovoltaic power generation panel 26 is used for being installed on the upper surface of the installation panel 12; specifically, the photovoltaic panel 26 may be directly mounted on the upper surface of the mounting plate 12, or may be indirectly mounted on the upper surface of the mounting plate 12 through other elements.
The driving mechanism is used for driving the mounting plate 12 to rotate around the horizontal rotating shaft 13 so as to adjust the inclination angle of the mounting plate 12. Referring to fig. 1, 3 and 4, the driving mechanism is arranged between one of the columns 11 and the mounting plate 12; the drive mechanism comprises a motor 14, a swing arm 15 and a drive arm 16. The motor 14 is fixed on the outer side of the upright post 11, and an output shaft of the motor 14 penetrates through the upright post 11 and extends to the inner side of the upright post 11; the output shaft of the motor 14 is parallel to the horizontal rotating shaft 13 and is arranged below the horizontal rotating shaft 13; the swing arm 15 is perpendicular to the output shaft of the motor 14, and one end of the swing arm is fixedly connected with the output shaft of the motor 14; one end of the transmission arm 16 is hinged with the swing arm 15, and the other end is hinged with the mounting plate 12. When the inclination angle of the mounting plate 12 needs to be adjusted, only the motor 14 needs to be started, the output shaft of the motor 14 drives the swing arm 15 to rotate, and then the mounting plate 12 is driven to rotate around the horizontal rotating shaft 13 through the transmission arm 16, and when the inclination angle of the mounting plate 12 reaches a preset angle, the motor 14 is turned off.
The utility model provides a support frame is used in solar photovoltaic power generation construction, after installing photovoltaic power generation board 26 to mounting panel 12 on, through motor 14, swing arm 15 and the cooperation of driving arm 16, just can drive mounting panel 12 and rotate around horizontal rotating shaft 13, adjust mounting panel 12's inclination, and then adjust photovoltaic power generation board 26's photic angle to satisfy the receiving demand of different periods to light, improve the collection storage efficiency of light energy power generation board 26 to light energy.
The utility model provides a support frame is used in solar photovoltaic power generation construction can be connected with the remote control end when using to realize automated control. For example, the motor 14 is connected with the remote control end through a wire, and when solar energy is collected through the photovoltaic power generation panel 26 in daytime, the rotation of the motor 14 can be automatically controlled by the remote control end according to time, so as to adjust the light receiving angle of the photovoltaic power generation panel 26.
Referring to fig. 1 and 3, the utility model provides a support frame for solar photovoltaic power generation construction all is provided with drive mounting panel 12 between two stands 11 and the mounting panel 12 around 13 pivoted actuating mechanism of horizontal rotating shaft. Through setting up two actuating mechanism, when adjusting the inclination of mounting panel 12, can guarantee that the both sides atress of mounting panel 12 is even, eliminate the wearing and tearing that lead to because the atress is uneven, improved life indirectly. When the device is specifically installed, the output shafts of the motors 14 in the two driving mechanisms are coaxially arranged; and when in operation, the two motors 14 should be synchronously controlled to rotate, so as to achieve the purpose of driving the mounting plate 12 to rotate around the horizontal rotating shaft 13 through the cooperation of the two driving mechanisms. The motors 14 in the two driving mechanisms can be synchronously controlled by a PLC controller, and the specific control manner is not described herein.
The second embodiment:
referring to fig. 3 and 4, in the support frame for solar photovoltaic power generation construction provided by the present invention, the transmission arm 16 is hinged to the swing arm 15 through a first hinge structure; the first hinge structure comprises a through hole arranged on the transmission arm 16, a threaded hole 17 arranged on the swing arm 15, and a bolt 18 which penetrates through the through hole of the transmission arm 16 and is in threaded connection with the threaded hole 17 of the swing arm 15; the bolt 18 is arranged parallel to the horizontal axis of rotation 13. By providing the bolt 18, firstly, the transmission arm 16 and the swing arm 15 are connected together, and secondly, the bolt 18 is used as a rotation center, so that the swing arm 15 and the transmission arm 16 can rotate relatively. Preferably, the swing arm 15 is provided with at least two threaded holes 17 at intervals along the length direction thereof.
The utility model provides a support frame is used in solar photovoltaic power generation construction through set up two at least screw holes 17 on swing arm 15, can install bolt 18 to the screw hole 17 of difference in, change the radius of rotation of transmission arm 16 and swing arm 15 junction, and then adjust the range of rotation of mounting panel 12 to satisfy the receiving demand of different mounted position to light.
Example three:
referring to fig. 1 to 5, in the support frame for solar photovoltaic power generation construction provided by the present invention, a cleaning roller 19 parallel to the horizontal rotating shaft 13 is disposed above the mounting plate 12; sliding seats 20 are rotatably arranged at two ends of the cleaning roller 19; the slide holder 20 is slidably mounted on the mounting plate 12 in a direction perpendicular to the axial direction of the cleaning roller 19.
The cleaning roller 19 is spaced from the upper surface of the mounting plate 12 by a distance which is determined according to the position of the photovoltaic power generation panel 26 after being mounted, so that the outer circumferential surface of the cleaning roller 19 is attached to the light receiving surface of the photovoltaic power generation panel 26 after the photovoltaic power generation panel 26 is mounted on the mounting plate 12. In one embodiment, the cleaning roller 19 includes a central shaft rotatably connected to the sliding base 20 at both ends thereof, and cleaning bristles mounted on an outer circumferential surface of the central shaft.
When dust falling on the light receiving surface of the photovoltaic power generation panel 26 needs to be cleaned, the driving mechanism controls the mounting plate 12 to rotate around the horizontal rotating shaft 13 to adjust the inclination angle of the mounting plate 12 and ensure that the cleaning roller 19 is located at the upper end position of the mounting plate 12, and after the gravity of the cleaning roller 19 and the sliding seat 20 overcomes the friction resistance, the sliding seat 20 slides from top to bottom, so that the cleaning roller 19 is driven to roll from top to bottom to clean the dust on the light receiving surface of the photovoltaic power generation panel 26.
Referring to fig. 1 and 2, a sliding groove 21 is arranged on the mounting plate 12 at a position opposite to the sliding seat 20; the sliding seat 20 is slidably fitted in the sliding groove 21 corresponding thereto. In order to reduce the frictional resistance between the sliding seat 20 and the sliding slot 21, preferably, referring to fig. 5, rolling slots 22 are provided on both side walls of the sliding slot 21; the sliding seat 20 is provided with a roller 23 which is in rolling fit in the rolling groove 22.
The utility model provides a support frame is used in solar photovoltaic power generation construction, through setting up cleaning roller 19, and rotate the sliding seat 20 of installation sliding fit on mounting panel 12 at cleaning roller 19's both ends, when mounting panel 12 inclines, cleaning roller 19 just can move down under the effect of gravity, and then clean the dust of installing to the sensitive surface of the photovoltaic power generation board 26 on mounting panel 12 through cleaning roller 19, the problem of prior art because the dust leads to part sensitive surface to be shielded and influence light energy conversion effect because the dust falls on the sensitive surface of photovoltaic power generation board has been solved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The support frame for the solar photovoltaic power generation construction comprises a base (10), two upright columns (11) fixed on the base (10) and a mounting plate (12) arranged between the two upright columns (11);
the device is characterized in that the mounting plate (12) is rotatably connected with the two upright posts (11) through a horizontal rotating shaft (13); a driving mechanism for driving the mounting plate (12) to rotate around the horizontal rotating shaft (13) is arranged between one upright post (11) and the mounting plate (12);
the driving mechanism comprises a motor (14), a swing arm (15) and a transmission arm (16); the motor (14) is arranged on the upright post (11), and an output shaft of the motor (14) is parallel to the horizontal rotating shaft (13); the swing arm (15) is vertical to the horizontal rotating shaft (13), and one end of the swing arm is fixedly connected with an output shaft of the motor (14); and two ends of the transmission arm (16) are respectively hinged with the swing arm (15) and the mounting plate (12).
2. The supporting frame for solar photovoltaic power generation construction as claimed in claim 1, wherein a driving mechanism for driving the mounting plate (12) to rotate around the horizontal rotating shaft (13) is arranged between the two upright columns (11) and the mounting plate (12).
3. The supporting frame for solar photovoltaic power generation construction as claimed in claim 1, wherein the transmission arm (16) is hinged with the swing arm (15) through a first hinge structure;
the first hinge structure comprises a through hole arranged on the transmission arm (16), a threaded hole (17) arranged on the swing arm (15), and a bolt (18) which penetrates through the through hole of the transmission arm (16) and is in threaded connection with the threaded hole (17) of the swing arm (15).
4. The supporting frame for solar photovoltaic power generation construction as claimed in claim 3, wherein the swing arm (15) is provided with at least two threaded holes (17) at intervals along the length direction thereof.
5. The supporting frame for solar photovoltaic power generation construction as claimed in claim 1, wherein a cleaning roller (19) parallel to the horizontal rotating shaft (13) is arranged above the mounting plate (12); two ends of the cleaning roller (19) are rotatably provided with sliding seats (20); the sliding seat (20) is installed on the installation plate (12) in a sliding mode along the direction perpendicular to the axial direction of the cleaning roller (19).
6. The supporting frame for solar photovoltaic power generation construction as claimed in claim 5, wherein a sliding groove (21) is provided on the mounting plate (12) at a position facing the sliding seat (20); the sliding seat (20) is in sliding fit in the sliding groove (21) corresponding to the sliding seat.
7. The supporting frame for solar photovoltaic power generation construction as claimed in claim 6, wherein rolling grooves (22) are provided on both side walls of the sliding groove (21); and the sliding seat (20) is provided with a roller (23) which is in rolling fit in the rolling groove (22).
8. The supporting frame for solar photovoltaic power generation construction as claimed in claim 1, wherein the base (10) comprises a cross bar (24) and two longitudinal bars (25); the transverse rod (24) and the longitudinal rods (25) are horizontally arranged, and two ends of the transverse rod (24) are fixedly connected with the two longitudinal rods (25) respectively.
9. The supporting frame for solar photovoltaic power generation construction as claimed in claim 8, wherein the ends of the cross bars (24) are fixedly connected with the middle of the longitudinal bars (25).
10. The supporting frame for solar photovoltaic power generation construction as claimed in claim 8, wherein the lower ends of the two vertical posts (11) are respectively fixedly connected with the two vertical rods (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221742001.XU CN218473077U (en) | 2022-07-07 | 2022-07-07 | Support frame for solar photovoltaic power generation construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221742001.XU CN218473077U (en) | 2022-07-07 | 2022-07-07 | Support frame for solar photovoltaic power generation construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218473077U true CN218473077U (en) | 2023-02-10 |
Family
ID=85136312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221742001.XU Active CN218473077U (en) | 2022-07-07 | 2022-07-07 | Support frame for solar photovoltaic power generation construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218473077U (en) |
-
2022
- 2022-07-07 CN CN202221742001.XU patent/CN218473077U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110752819A (en) | Photovoltaic power generation system with dustproof function | |
| CN216672919U (en) | Adjustable photovoltaic cell board | |
| CN218473077U (en) | Support frame for solar photovoltaic power generation construction | |
| CN220553958U (en) | Connecting device for solar panel installation | |
| CN111464129A (en) | Automatic folding device of solar panel | |
| KR20110094894A (en) | Apparatus for condensing sunlight of tracing | |
| CN116131749A (en) | But self-cleaning photovoltaic board power generation facility | |
| CN217883320U (en) | But angle regulation's solar photovoltaic power generation device | |
| CN213125916U (en) | Solar device for observation station | |
| CN212278168U (en) | Solar photovoltaic power generation board convenient to equipment | |
| CN211402413U (en) | But height-adjusting's wind direction test jig | |
| CN208078973U (en) | A kind of solar energy support device convenient for adjusting angle | |
| CN213279557U (en) | Car roof solar panel tracking device | |
| CN216414236U (en) | Power generation integrated roof system for prefabricated building | |
| CN221127179U (en) | Solar panel supporting device | |
| CN221081211U (en) | Solar energy screen plate mounting frame | |
| CN117346365B (en) | Dish type solar heat collector bracket | |
| CN220087208U (en) | Protective solar mounting bracket | |
| CN221652517U (en) | Photovoltaic power generation support with adjustable | |
| CN220586197U (en) | Balance weight stable photovoltaic bracket | |
| CN217680848U (en) | Photovoltaic bicycle shed | |
| CN220964747U (en) | Photovoltaic board support frame | |
| CN211691675U (en) | Shed frame type photovoltaic power station | |
| CN221227454U (en) | Photovoltaic power generation equipment with adjustable it is fixed | |
| CN219420712U (en) | Photovoltaic power generation energy storage conversion device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |