CN211791409U - Solar power generation panel and solar power generation system - Google Patents
Solar power generation panel and solar power generation system Download PDFInfo
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- CN211791409U CN211791409U CN202020021736.8U CN202020021736U CN211791409U CN 211791409 U CN211791409 U CN 211791409U CN 202020021736 U CN202020021736 U CN 202020021736U CN 211791409 U CN211791409 U CN 211791409U
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- polycrystalline silicon
- panel
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- plate
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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
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Abstract
The embodiment of the utility model provides a relate to new forms of energy technical field, in particular to solar panel and solar electric system, solar panel includes: a fixed frame; a polycrystalline silicon plate fixed to the fixing frame; the light-transmitting protective plate is fixed on the fixed frame and is positioned on one side of the polycrystalline silicon layer; and the reflective transparent back plate is fixed on the fixed frame and is positioned on the other side of the polycrystalline silicon layer. In this way, the embodiment of the utility model provides a can realize the improvement by a wide margin of solar panel power.
Description
Technical Field
The embodiment of the utility model provides a relate to new forms of energy technical field, especially relate to a solar panel and solar electric system.
Background
With the gradual depletion of energy and the more severe climate environment, the demand of the nation and the society for new energy is more and more urgent, and light energy is paid corresponding attention as clean and pollution-free renewable energy and various solar power generation panels are developed.
However, the inventor of the present invention finds out that: the solar power generation panel in the current market has low power and cannot well convert solar energy into electric energy.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a main technical problem who solves provides a solar panel and solar electric system, can realize promoting by a wide margin of solar panel power.
In order to solve the technical problem, the utility model discloses a technical scheme be: provided are a solar power generation panel and a solar power generation system, the solar power generation panel including: a fixed frame; a polycrystalline silicon plate fixed to the fixing frame; the light-transmitting protective plate is fixed on the fixed frame and is positioned on one side of the polycrystalline silicon layer; and the reflective transparent back plate is fixed on the fixed frame and is positioned on the other side of the polycrystalline silicon layer.
Optionally, the solar panel further comprises a light-transmitting film, the light-transmitting film is fixed on the fixing frame, and the light-transmitting film is located between the light-transmitting protective plate and the polycrystalline silicon plate.
Optionally, the solar panel further comprises a reflective film, the reflective film is fixed on the fixing frame, and the reflective film is located between the polycrystalline silicon panel and the reflective transparent back plate.
Optionally, the reflective film is a milky white ethylene-vinyl acetate copolymer with reflective performance, and the light-transmitting film is an ethylene-vinyl acetate copolymer with light-transmitting performance.
Optionally, the light-transmitting protective plate is tempered glass of 3.2 mm.
Optionally, the reflective transparent back plate is a polyvinyl fluoride composite film.
Optionally, the polycrystalline silicon plate includes a plurality of polycrystalline silicon wafers, a plurality of interconnection bus bars, and at least one bus bar; the plurality of polycrystalline silicon wafers are arranged in an array, the interconnection conductive strips are connected with the polycrystalline silicon wafers in a row, and the confluence conductive strips are connected with the interconnection conductive strips.
Optionally, the interconnection conductive strip and the bus conductive strip are both copper strips.
Optionally, the solar panel further comprises a voltage stabilizing module, and the voltage stabilizing module is connected with the polycrystalline silicon plate.
Optionally, a solar power generation system includes any one of the above solar power generation panels.
The embodiment of the utility model provides an in, through the transparent backplate of reflection extremely sunshine reflection the opposite side of polycrystalline silicon board realizes thereby the effect that the illumination was accepted on polycrystalline silicon board two sides and improves solar panel efficiency.
Drawings
Fig. 1 is an overall schematic view of a solar panel according to an embodiment of the present invention;
fig. 2 is a schematic view of a polycrystalline silicon plate of a solar panel according to an embodiment of the present invention;
FIG. 3 is a schematic view of a silicon plate frame of a polycrystalline silicon plate according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a conductive module of a polycrystalline silicon plate according to an embodiment of the present invention;
fig. 5 is a schematic view of a telescopic device of a solar panel according to an embodiment of the present invention;
fig. 6 is another schematic view of the expansion device of the solar panel according to the embodiment of the present invention;
fig. 7 is a schematic view of a base of a solar panel according to an embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, 2 and 3, the solar panel 1 includes a fixing frame 10, a polycrystalline silicon panel 20, a transparent protective plate 30, a reflective transparent back plate 40, a transparent film 50, a reflective film 60, a voltage stabilizing module 70, an adjusting device 80 and a base 90. The fixing frame 10 is used for fixing the polycrystalline silicon plate 20, the transparent protective plate 30 and the reflective transparent back plate 40, the adjusting device 80 is connected with the fixing frame 10, and the base 90 is used for receiving the adjusting device 90 and the fixing frame 10.
Referring to fig. 1, the fixing frame 10 is rectangular, and the fixing frame 10 serves as a carrier for each component of the solar panel 1 and provides a mounting and fixing structure for the solar panel 1.
In some embodiments, the fixing frame 10 is made of a light-weight galvanized alloy, whereby the fixing frame 10 can reduce the overall weight of the solar power generation panel 1.
In the polycrystalline silicon plate 20, the polycrystalline silicon plate 20 is fixed to the fixing frame 10, and the polycrystalline silicon plate 20 converts light energy into electric energy.
Specifically, the polycrystalline silicon plate 20 further includes a plurality of polycrystalline silicon wafers (not shown), a plurality of interconnection conductive bars 201, and at least one bus conductive bar 202. The polycrystalline silicon wafers are welded together through a plurality of interconnection conductive bars 201 to form a polycrystalline silicon plate 20, the circuit connection relations among the interconnection conductive bars 201 are in parallel connection, the confluence conductive bar 202 connects the two polycrystalline silicon plates 20, and the circuit connection relations among the two polycrystalline silicon plates 20 are in series connection. Therefore, the solar power generation panel 1 can avoid the problems of increased current mismatch and reduced efficiency caused by connecting too many polycrystalline silicon plates 20 in series, and the problems of voltage mismatch and reduced efficiency caused by connecting too many polycrystalline silicon plates 20 in parallel can be avoided.
In some embodiments, the interconnecting conductive strips 201 and the bus conductive strips 202 are both copper strips, and the copper material is mainly used for meeting economic applicability while improving current transmission efficiency.
In some embodiments, the polycrystalline silicon plate 20 is made of a iii-v compound semiconductor material, and the power of the solar panel 1 is increased due to the higher photoelectric conversion efficiency of the iii-v compound semiconductor material.
In other embodiments, referring to fig. 3 and 4, the polycrystalline silicon plate 20 further includes a silicon frame 203 and a plurality of conductive modules 204. The silicon wafer frame 203 is provided with a plurality of clamping grooves 2031 and clamping grooves 2032, one conductive module 204 is arranged in one clamping groove 2031, one polycrystalline silicon wafer is clamped in the clamping groove 2031, a conductive interface of the polycrystalline silicon wafer is connected and contacted with the conductive module 204 in the clamping groove 2031, one interconnection conductive bar 201 is connected with one row of the conductive module 204, and the bus conductive bar 202 is connected with the interconnection conductive bar 201.
Specifically, the interconnection conductive strip 201 and the bus conductive strip 202 are pre-welded to the fixing frame 10, and the silicon wafer fixing frame 203 is fastened to the interconnection conductive strip 201 through the fastening groove 2032.
For the above conductive module 204, the conductive module 204 includes a conductive probe 2041 and an elastic member 2042, a telescopic slot is disposed on an inner surface of each of the slots 2031, one end of the elastic member 2042 is fixed to a slot bottom of the telescopic slot, and the other end of the elastic member 2042 is fixed to one end of the conductive probe 2041, and the other end of the conductive probe 2041 extends out of the slot bottom of the telescopic slot and is inserted into the slot 2031. Thus, the polycrystalline silicon plate 20 can be individually replaced and easily disassembled. When the solar power generation panel 1 is damaged by the polycrystalline silicon plate 20 individually, the damaged polycrystalline silicon plate 20 can be replaced to achieve the effect of repairing the solar power generation panel 1, and the after-sale maintenance cost is reduced.
As for the light-transmitting protective plate 30, the light-transmitting protective plate 30 is fixed to the fixing frame 10 and is located on one side of the polycrystalline silicon plate 20. The transparent protective plate 30 is used for isolating the polycrystalline silicon plate 20 from the outside, so as to protect the polycrystalline silicon plate 20, and meanwhile, light can irradiate the polycrystalline silicon plate 20 through the transparent protective plate 30.
In some embodiments, the transparent protection plate 30 is 3.2 mm tempered glass, and the use of 3.2 mm tempered glass as the material of the transparent protection plate 30 can increase the transmittance of light passing through the transparent protection plate 30 and reduce the loss of light energy before reaching the polycrystalline silicon plate 20.
As for the reflective transparent back plate 40 described above, the reflective transparent back plate 40 is fixed to the fixing frame 10, and the reflective transparent back plate 40 is located on the other side of the polycrystalline silicon plate 20. The reflective transparent back plate 40 is used for protecting the polycrystalline silicon plate 20, the reflective transparent back plate 40 can reflect the light passing through the polycrystalline silicon plate 20 back into the polycrystalline silicon plate 20, so that the power generation performance of the polycrystalline silicon plate 20 is improved, and in addition, the light on the back of the solar power generation panel 1 can also pass through the reflective transparent back plate 40 to enter the polycrystalline silicon plate 20, so that the power generation efficiency of the polycrystalline silicon plate 20 is further improved.
In some embodiments, the reflective transparent back sheet 40 is a polyvinyl fluoride composite film, so that most of sunlight reflected from the ground and diffused in the air can be reflected, and the polycrystalline silicon plate 20 is prevented from being irradiated by sunlight, so that the power of the polycrystalline silicon plate 20 is reduced due to the temperature increase.
As for the above light transmissive film 50, the light transmissive film 50 is fixed to the fixing frame 10, and the light transmissive film 50 is located between the light transmissive protective plate 30 and the polycrystalline silicon plate 20.
Further, the light-transmitting film 50 is made of a transparent ethylene-vinyl acetate copolymer (EVA) material, and when the light-transmitting film 50 and the light-transmitting protective plate 30 are bonded, the light transmittance of the light-transmitting protective plate 30 is improved, so that the quality of sunlight received by the polycrystalline silicon plate 20 is further improved, and the improvement of the power of the solar panel 1 is facilitated.
As for the above-mentioned reflective film 60, the reflective film 60 is fixed to the fixing frame 10 and is positioned between the polycrystalline silicon plate 20 and the reflective transparent back plate 40.
Specifically, the reflective film 60 is made of milky ethylene-vinyl acetate copolymer, so that the reflective film 60 has high-efficiency light reflection capability, and when long-wave light, bottom surface reflected light and air diffuse reflected light pass through the reflective transparent back plate 40 and part of the light reaches the reflective film 60 after being reflected by the reflective transparent back plate 40, the light is reflected by the reflective film 60 through the reflective transparent back plate 40.
For the voltage stabilizing module 70, the voltage stabilizing module 70 is connected to the polycrystalline silicon plate 20, and the voltage stabilizing module 70 can prolong the start time and the stop time of the solar system by more than one hour, so as to improve the duration of receiving light by the solar panel and improve the power of the solar panel.
Referring to fig. 5 and 6, the adjusting device 80 includes a support rod 801, a telescopic device 802, and a control device 803. One end of the supporting rod 801 is fixed to the base 90, the other end of the supporting rod 801 is rotatably connected to one side of the fixed frame 10, one end of the telescopic device 802 is fixed to the base 90, the other end of the telescopic device 802 is rotatably connected to the other side of the fixed frame 10, the control device 803 is disposed in the base 90 and is connected to the telescopic device 802, and the control device is configured to control the telescopic height of the telescopic device 802, so as to adjust the inclination angle and direction of the fixed frame 10. Therefore, the solar power generation panel 1 can change the sunlight receiving angle of the solar power generation panel 1 according to the change of the sunlight irradiation angle, and the sunlight receiving efficiency of the solar power generation panel 1 is improved.
As for the control device 803, the control device 803 further includes a sensor 8031 and a control unit 8032, the sensor 8031 is disposed on one side of the base 90 close to the solar power generation panel 1 and is not shielded by the solar power generation panel 1, and the control unit 8032 is disposed on the base 90 and is shielded by the solar power generation panel 1. The control unit 8032 is connected to the sensor 8031 and the telescopic device 802. When the incident angle of the sunlight reaching the solar power generation panel 1 changes with the passage of time, the sensor 8031 recognizes the angle difference of the sunlight vertically incident to the solar power generation panel 1, and transmits a signal to the control unit 8032 for calculation, and the control unit 8032 sends a correction instruction through calculation and controls the expansion device 802 to extend or lower so that the sunlight is perpendicular to the incident angle of the current sunlight and the solar power generation panel 1, so that the efficiency of the sunlight passing through the solar power generation panel 1 is improved, and the power of the solar power generation panel 1 is further improved.
In some embodiments, the telescoping device 802 is a hydraulic telescoping device.
Referring to fig. 7, the base 90 is used for mounting the supporting rod 801, the telescopic device 802 and the control device 803. The base 90 is provided with a mounting groove 901, and the mounting groove 901 is used for mounting the control unit 8032.
The embodiment of the utility model provides a still provide a solar energy power generation system, solar energy power generation system includes that the aforesaid is arbitrary solar panel can refer to above-mentioned embodiment to above-mentioned solar panel's structure and function, and here is no longer repeated one by one.
The embodiment of the utility model provides an in, through circuit connection relation and improvement between the polycrystalline silicon board the optical property of printing opacity protection shield, the transparent backplate of reflection, printing opacity membrane and reflectance coating increases the efficiency that the polycrystalline silicon board received the light reaches the effect that improves solar panel power.
It should be noted that the preferred embodiments of the present invention are described in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not provided as additional limitations to the present invention, and are provided for the purpose of making the understanding of the disclosure of the present invention more thorough and complete. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A solar panel, comprising:
a fixed frame;
a polycrystalline silicon plate fixed to the fixing frame;
the light-transmitting protective plate is fixed on the fixing frame and is positioned on one side of the polycrystalline silicon plate;
and the reflective transparent back plate is fixed on the fixing frame and is positioned on the other side of the polycrystalline silicon plate.
2. A solar electricity panel according to claim 1 further comprising a light transmitting film secured to said fixing frame and located between said light transmitting protective plate and the polycrystalline silicon panel.
3. A solar electric panel according to claim 2, further comprising a reflective film secured to the fixed frame and located between the polycrystalline silicon panel and the reflective transparent back sheet.
4. A solar power generation panel according to claim 3, wherein the reflective film is an opal ethylene-vinyl acetate copolymer having a reflective property, and the light-transmitting film is an ethylene-vinyl acetate copolymer having a light-transmitting property.
5. The solar power panel as claimed in any one of claims 1 to 4, wherein the light-transmitting protective panel is 3.2 mm tempered glass.
6. The solar electric panel according to any one of claims 1 to 4, wherein the reflective transparent back sheet is a polyvinyl fluoride composite film.
7. The solar electric panel according to any one of claims 1 to 4, wherein the polycrystalline silicon panel comprises a plurality of polycrystalline silicon wafers, a plurality of interconnecting conductive strips, and at least one bus conductive strip;
the plurality of polycrystalline silicon wafers are arranged in an array, the interconnection conductive strips are connected with the polycrystalline silicon wafers in a row, and the confluence conductive strips are connected with the interconnection conductive strips.
8. A solar electric panel as claimed in claim 7 wherein the interconnecting and bus conductive strips are copper strips.
9. A solar electric panel according to claim 1, further comprising a voltage stabilizing module connected to the polycrystalline silicon panel.
10. A solar power system comprising a solar power panel according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020021736.8U CN211791409U (en) | 2020-01-06 | 2020-01-06 | Solar power generation panel and solar power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020021736.8U CN211791409U (en) | 2020-01-06 | 2020-01-06 | Solar power generation panel and solar power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211791409U true CN211791409U (en) | 2020-10-27 |
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ID=72888485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020021736.8U Expired - Fee Related CN211791409U (en) | 2020-01-06 | 2020-01-06 | Solar power generation panel and solar power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211791409U (en) |
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2020
- 2020-01-06 CN CN202020021736.8U patent/CN211791409U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 Termination date: 20220106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |