CN214591317U - Ultra-thin photovoltaic power supply device - Google Patents
Ultra-thin photovoltaic power supply device Download PDFInfo
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- CN214591317U CN214591317U CN202120387911.XU CN202120387911U CN214591317U CN 214591317 U CN214591317 U CN 214591317U CN 202120387911 U CN202120387911 U CN 202120387911U CN 214591317 U CN214591317 U CN 214591317U
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- Prior art keywords
- water
- ultra
- pipe
- cooling
- solar cell
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- 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
- 238000001816 cooling Methods 0.000 claims abstract description 64
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 60
- 239000007788 liquid Substances 0.000 claims description 34
- 239000003292 glue Substances 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000002826 coolant Substances 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- 239000000110 cooling liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
Images
Classifications
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- 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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The utility model belongs to the technical field of solar energy power supply unit, especially, be an ultra-thin type photovoltaic power supply unit, including water-cooling circulation system, solar cell panel, set up the modulation circuit on solar cell panel, with modulation circuit electric connection's ultra-thin type lithium ion battery, be equipped with the heat transfer board between solar cell panel and the ultra-thin type lithium ion battery, equal fixedly connected with heat-conducting plate on solar cell panel and the ultra-thin type lithium ion battery's the inside wall. The utility model discloses a connected mode of joint realizes making the installation more convenient to the quick location between solar cell panel and the heat transfer board and between ultra-thin type lithium ion and the heat transfer board, has promoted whole mechanical strength and connection structure's reliability simultaneously, sets traditional single water-cooling pipe structure to two water-cooling pipe integrated configuration, realizes even heat transfer, reaches high-efficient radiating purpose, and more simple than prior art preparation technology, and the cost is lower.
Description
Technical Field
The utility model relates to a solar energy power supply unit technical field specifically is an ultra-thin type photovoltaic power supply unit.
Background
With the increasing dependence of people on electric products, the charging and storage of batteries of the electric products become the biggest problem of innovation and improvement of people in the field of battery development. Photovoltaic power generation is used as an environment-friendly green energy source, along with the development of the technology, the ductility of the capacity of the photovoltaic power generation is determined in various fields, and a movable photovoltaic power generation device becomes the first choice when people need electricity in the field or in emergency. At present, most photovoltaic mobile power supplies are simple in structure and easy to realize, have the characteristics of charging immediately and convenience in carrying, and some functions facilitating flexible power supply are developed gradually.
Chinese patent CN202011193845.9 discloses an ultra-thin photovoltaic mobile power storage/supply device, which comprises a solar cell panel, a modulation circuit, a planar single-layer ultra-thin lithium ion storage battery and a heat exchange panel; according to the device, the heat exchange panel is arranged between the solar cell panel and the flat single-layer ultra-thin lithium ion storage battery, the 3D double-spiral heat exchange spiral pore channel structure is arranged in the heat exchange panel, and the 3D double-spiral heat exchange spiral pore channel structure is in heat exchange connection with an external micro refrigerator, so that the solar cell panel and the flat single-layer ultra-thin lithium ion storage battery are simultaneously cooled. Although the heat exchange structure has high efficiency, the manufacturing process of the 3D double-helix heat exchange spiral pore channel structure is complicated, the cost is high, the reliability of the connection structure between the solar cell panel and the flat single-layer ultra-thin lithium ion storage battery and the heat exchange panel is not sufficient, the mechanical strength is low, and an ultra-thin photovoltaic power supply device which is simple in manufacturing process, low in cost and high in heat exchange efficiency is lacked.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides an ultra-thin type photovoltaic power supply unit has solved prior art manufacturing procedure comparatively numerous and diverse, and the cost is higher, and the connection structure reliability is not enough, the less problem of mechanical strength.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an ultra-thin type photovoltaic power supply unit, includes water-cooling circulation system, solar cell panel, sets up the modulation circuit on solar cell panel, with modulation circuit electric connection's ultra-thin type lithium ion battery, be equipped with the heat transfer board between solar cell panel and the ultra-thin type lithium ion battery, equal fixedly connected with heat-conducting plate on solar cell panel and the ultra-thin type lithium ion battery's the inside wall, the outer wall surface top-down align to grid of heat-conducting plate has the joint groove, the lateral wall surface all is equipped with the joint piece with corresponding joint groove joint complex about the heat transfer board, the tip surface of joint piece is equipped with the glue-injection groove.
The heat exchange plate is internally provided with a first water-cooling pipe and a second water-cooling pipe which are positioned on the same plane, the side wall of the heat exchange plate is provided with a first liquid inlet and a first liquid outlet which are connected with a water inlet and a water outlet of the first water-cooling pipe, the side wall of the heat exchange plate is also provided with a second liquid inlet and a second liquid outlet which are connected with a water inlet and a water outlet of the second water-cooling pipe, the first liquid inlet and the second liquid inlet are both connected with a first branch pipe, the first liquid outlet and the second liquid outlet are both connected with a second branch pipe, the water-cooling circulation system comprises a water-cooling tank, a water conveying pipe, a water return pipe, a circulating pump and a radiator, one end of the water conveying pipe is connected with the water outlet of the water-cooling tank, the other end of the water conveying pipe is respectively connected with the two first branch pipes, one end of the water return pipe is connected with the water return port of the water-cooling tank, and the other end of the water return pipe is respectively connected with the two second branch pipes, and the circulating pump and the radiator are sequentially connected in series on the water return pipe.
As an optimal technical scheme of the utility model, solar cell panel, ultra-thin type lithium ion battery and heat transfer plate size phase-match.
As an optimal technical scheme of the utility model, the glue injection groove is "concave" column structure, all matches on each joint piece has two glue injection grooves.
As an optimal technical scheme of the utility model, first water-cooled tube and second water-cooled tube are the copper tube of S type trend, the heat conduction fin of having arranged all circumference on the outer wall of first water-cooled tube and second water-cooled tube.
As a preferred technical scheme of the utility model, be connected through first three way connection between raceway and two first branches, raceway and first branch can dismantle with first three way connection respectively and be connected, be connected through second three way connection between wet return and two second branches, wet return and second branch can dismantle with second three way connection respectively and be connected.
(III) advantageous effects
Compared with the prior art, the utility model provides an ultra-thin type photovoltaic power supply unit possesses following beneficial effect:
1. this ultra-thin type photovoltaic power supply unit adopts the connected mode of joint, realizes the quick location between solar cell panel and the heat transfer board and between ultra-thin type lithium ion and the heat transfer board, makes the installation more convenient, has promoted whole mechanical strength and connection structure's reliability simultaneously, through setting up the injecting glue groove, pours into heat conduction silica gel and makes between solar cell panel and the heat transfer board and combine more inseparabler between ultra-thin type lithium ion battery and the heat transfer board, effectively promotes whole heat exchange efficiency simultaneously.
2. This ultra-thin type photovoltaic power supply unit, set traditional single water-cooling tube structure into two water-cooling tube integrated configuration, under the same unit velocity of flow and pressure, can shorten the coolant liquid and accomplish a hydrologic cycle required time than traditional water-cooling structure, avoid because the coolant liquid heat transfer that the water-cooling tube overlength made to be in the water-cooling tube back end heaies up, the anterior segment that leads to solar cell panel and ultra-thin type lithium ion battery and back end heat transfer effect have the difference, realize even heat transfer, reach high-efficient radiating purpose, and it is more simple than prior art preparation technology, the cost is lower.
Drawings
Fig. 1 is a schematic view of a connection structure of a solar cell panel, an ultra-thin lithium ion battery and a heat exchange plate according to the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a schematic view of the connection structure of the middle water cooling circulation system and the heat exchange plate of the present invention.
In the figure: 1. a water-cooling circulation system; 101. a water cooling tank; 102. a water delivery pipe; 103. a water return pipe; 104. a circulation pump; 105. a heat sink; 2. a solar panel; 3. a modulation circuit; 4. ultra-thin lithium ion batteries; 5. a heat exchange plate; 6. a heat conducting plate; 7. a clamping groove; 8. a clamping block; 9. injecting glue groove; 10. a first water-cooled tube; 11. a second water-cooled tube; 12. a first liquid inlet; 13. a first liquid outlet; 14. a second liquid inlet; 15. a second liquid outlet; 16. a heat conductive fin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides an ultra-thin type photovoltaic power supply unit, including water cooling circulation system 1, solar cell panel 2, set up modulation circuit 3 on solar cell panel 2, ultra-thin type lithium ion battery 4 with 3 electric connection of modulation circuit, be equipped with heat transfer board 5 between solar cell panel 2 and the ultra-thin type lithium ion battery 4, equal fixedly connected with heat-conducting plate 6 on solar cell panel 2 and the inside wall of ultra-thin type lithium ion battery 4, heat-conducting plate 6's outer wall surface top-down align to grid has joint groove 7, side wall surface all is equipped with the joint piece 8 with corresponding joint groove 7 joint complex about heat transfer board 5, the tip surface of joint piece 8 is equipped with glue-injection groove 9.
A first water-cooling pipe 10 and a second water-cooling pipe 11 which are positioned on the same plane are arranged inside a heat exchange plate 5, a first liquid inlet 12 and a first liquid outlet 13 which are connected with a water inlet and a water outlet of the first water-cooling pipe 10 are arranged on the side wall of the heat exchange plate 5, a second liquid inlet 14 and a second liquid outlet 15 which are connected with a water inlet and a water outlet of the second water-cooling pipe 11 are also arranged on the side wall of the heat exchange plate 5, a first branch pipe is connected on the first liquid inlet 12 and the second liquid inlet 14, a second branch pipe is connected on the first liquid outlet 13 and the second liquid outlet 15, a water-cooling circulation system 1 comprises a water-cooling tank 101, a water-conveying pipe 102, a water return pipe 103, a circulating pump 104 and a radiator 105, one end of the water-conveying pipe 102 is connected with the water outlet of the water-cooling tank 101, the other end of the water-conveying pipe 102 is respectively connected with the two first branch pipes, one end of the water return pipe 103 is connected with a water return port of the water-cooling tank 101, the other end of the water return pipe 103 is respectively connected with the two second branch pipes, the circulation pump 104 and the radiator 105 are connected in series to the return pipe 103 in this order.
In this embodiment, for an ultra-thin photovoltaic power supply device with a large size, for example, in the device, when the sizes of the solar cell panel 2, the ultra-thin lithium ion battery 4, and the heat exchange plate 5 are large, the number of the water cooling tubes is not limited to 2, but may also be set to 4, 6, 8 (the number is a double number), the number of the water cooling tubes is determined according to the size of the device, the smaller the size is, the smaller the number is, but at least not less than 2, otherwise, the larger the size is, the larger the number is, the corresponding number of the branch tubes is increased, when the number of the water cooling tubes is 4, the number of the branch tubes is 8, each branch tube connected to the liquid inlet is connected to the water pipe 102 through a corresponding joint (when the number of the branch tubes is 8, the corresponding joint is a 5-way joint), and each branch tube connected to the liquid outlet is connected to the water return pipe 103 through a corresponding joint.
Specifically, the solar cell panel 2, the ultra-thin lithium ion battery 4 and the heat exchange plate 5 are matched in size.
In this embodiment, the solar cell panel 2, the ultra-thin lithium ion battery 4, and the heat exchange plate 5 are designed to have the same size, so that the device body is more beautiful and more convenient to assemble.
Specifically, the glue injection grooves 9 are of a concave structure, and two glue injection grooves 9 are matched on each clamping block 8.
In the embodiment, in the assembling process, the solar cell panel 2 and the heat exchange plate 5, and the ultra-thin lithium ion battery 4 and the heat exchange plate 5 can be quickly positioned by clamping the clamping groove 7 on the heat conduction plate 6 and the clamping block 8 on the heat exchange plate 5, so that the installation is more convenient and faster, and the integral mechanical strength and the reliability of the connecting structure are improved; the heat transfer board 5 can be injected with heat conduction silica gel into the glue injection groove 9, so that the combination between the solar cell panel 2 and the heat transfer board 5 and between the ultra-thin lithium ion battery 4 and the heat transfer board 5 is more tight, the whole heat transfer efficiency is effectively improved, and the heat dissipation effect is better.
Specifically, the first water-cooling tube 10 and the second water-cooling tube 11 are both made of copper tubes in an S-shaped trend, and heat-conducting fins 16 are circumferentially arranged on the outer walls of the first water-cooling tube 10 and the second water-cooling tube 11.
In this embodiment, because the copper pipe has good heat conductivity, consequently choose for use the copper pipe to make first water-cooled tube 10 and second water-cooled tube 11, through set up heat conduction fin 16 on the outer wall at first water-cooled tube 10 and second water-cooled tube 11, can further improve heat exchange efficiency.
Specifically, the water conveying pipe 102 is connected with the two first branch pipes through a first three-way joint, the water conveying pipe 102 and the first branch pipes are detachably connected with the first three-way joint respectively, the water return pipe 103 is connected with the two second branch pipes through a second three-way joint, and the water return pipe 103 and the second branch pipes are detachably connected with the second three-way joint respectively.
In this embodiment, set traditional single water-cooled tube into two water-cooled tube integrated configuration, cooperation water cooling circulation system 1 carries out the heat transfer simultaneously to solar cell panel 2 and ultra-thin type lithium ion battery 4, under the same unit velocity of flow and pressure, can shorten the coolant liquid and accomplish a water cycle required time than traditional water cooling configuration, avoid because the water-cooled tube overlength makes the coolant liquid heat transfer that is in the water-cooled tube back end rise in temperature, lead to there being the difference in the anterior segment and the back end heat transfer effect of solar cell panel 2 and ultra-thin type lithium ion battery 4, realize even heat transfer, reach high-efficient radiating purpose.
The utility model discloses a theory of operation and use flow: when the solar battery works, solar energy is collected by the solar panel 2, light energy is converted into electric energy through the modulation circuit 3 and is stored in the ultra-thin lithium ion battery 4, and then the electric energy can be used as power supply equipment to be output to other electrical equipment; in the working process of the device, the temperature of the solar cell panel 2 and the ultra-thin lithium ion battery 4 is raised due to long-time work, the heat conducting plate 6 exchanges heat with the heat exchange plate 5 to raise the temperature of the heat exchange plate 5, at the moment, the water-cooling circulating system 1 is matched with the first water-cooling pipe 10 and the second water-cooling pipe 11 to exchange heat with the solar cell panel 2 and the ultra-thin lithium ion battery 4 at the same time, namely, the circulating pump 104 is started, the cooling liquid in the water-cooling tank 101 is pumped into the first water-cooling pipe 10 and the second water-cooling pipe 11 through the water conveying pipe 102 and the first branch pipe, under the action of the circulating pump 104, the cooling liquid flows rapidly in the first water-cooling pipe 10 and the second water-cooling pipe 11, the heat conduction is accelerated through the heat conducting fins 16 on the first water-cooling pipe 10 and the second water-cooling pipe 11, so that the cooling liquid exchanges heat with the heat exchange plate 5 in a high-temperature state in the flowing process, so as to realize the rapid cooling of the solar cell panel 2 and the ultra-thin lithium ion battery 4, the heated coolant is conveyed into the radiator 105 through the second branch pipe, the second three-way joint and the water return pipe 103 for heat exchange and cooling, and the cooled coolant is returned to the water cooling tank 101 under the action of the circulating pump 104 and is circulated in sequence.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 (5)
1. The utility model provides an ultra-thin type photovoltaic power supply unit, includes water-cooling circulation system (1), solar cell panel (2), set up modulation circuit (3) on solar cell panel (2), with modulation circuit (3) electric connection's ultra-thin type lithium ion battery (4), its characterized in that: a heat exchange plate (5) is arranged between the solar cell panel (2) and the ultra-thin lithium ion battery (4), heat conduction plates (6) are fixedly connected to the inner side walls of the solar cell panel (2) and the ultra-thin lithium ion battery (4), clamping grooves (7) are uniformly arranged on the outer wall surface of each heat conduction plate (6) from top to bottom, clamping blocks (8) which are in clamping fit with the corresponding clamping grooves (7) are arranged on the surfaces of the left side wall and the right side wall of each heat exchange plate (5), and glue injection grooves (9) are formed in the end surfaces of the clamping blocks (8);
the heat exchange plate comprises a heat exchange plate (5), wherein a first water-cooling pipe (10) and a second water-cooling pipe (11) are arranged in the heat exchange plate (5) and are positioned on the same plane, a first liquid inlet (12) and a first liquid outlet (13) which are used for connecting a water inlet and a water outlet of the first water-cooling pipe (10) are arranged on the side wall of the heat exchange plate (5), a second liquid inlet (14) and a second liquid outlet (15) which are used for connecting a water inlet and a water outlet of the second water-cooling pipe (11) are also arranged on the side wall of the heat exchange plate (5), the first liquid inlet (12) and the second liquid inlet (14) are both connected with a first branch pipe, the first liquid outlet (13) and the second liquid outlet (15) are both connected with a second branch pipe, the water-cooling circulation system (1) comprises a water-cooling tank (101), a water conveying pipe (102), a water return pipe (103), a circulation pump (104) and a radiator (105), one end of the water conveying pipe (102) is connected with the water outlet of the water-cooling tank (101), the other end of the water conveying pipe (102) is connected with the two first branch pipes respectively, one end of the water return pipe (103) is connected with a water return port of the water cooling tank (101), the other end of the water return pipe (103) is connected with the two second branch pipes respectively, and the circulating pump (104) and the radiator (105) are sequentially connected on the water return pipe (103) in series.
2. The ultra-thin photovoltaic power supply device according to claim 1, wherein: the solar cell panel (2), the ultra-thin lithium ion battery (4) and the heat exchange plate (5) are matched in size.
3. The ultra-thin photovoltaic power supply device according to claim 1, wherein: the glue injection grooves (9) are of concave structures, and two glue injection grooves (9) are matched on each clamping block (8).
4. The ultra-thin photovoltaic power supply device according to claim 1, wherein: the heat-conducting cooling water heater is characterized in that the first water-cooling pipe (10) and the second water-cooling pipe (11) are copper tubes with S-shaped trends, and heat-conducting fins (16) are circumferentially arranged on the outer walls of the first water-cooling pipe (10) and the second water-cooling pipe (11).
5. The ultra-thin photovoltaic power supply device according to claim 1, wherein: the water conveying pipe (102) is connected with the two first branch pipes through a first tee joint, the water conveying pipe (102) and the first branch pipes are detachably connected with the first tee joint respectively, the water return pipe (103) is connected with the two second branch pipes through a second tee joint, and the water return pipe (103) and the second branch pipes are detachably connected with the second tee joint respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120387911.XU CN214591317U (en) | 2021-02-20 | 2021-02-20 | Ultra-thin photovoltaic power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120387911.XU CN214591317U (en) | 2021-02-20 | 2021-02-20 | Ultra-thin photovoltaic power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214591317U true CN214591317U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120387911.XU Expired - Fee Related CN214591317U (en) | 2021-02-20 | 2021-02-20 | Ultra-thin photovoltaic power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214591317U (en) |
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2021
- 2021-02-20 CN CN202120387911.XU patent/CN214591317U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
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