CN221057441U - Photovoltaic module backboard with heat dissipation function - Google Patents
Photovoltaic module backboard with heat dissipation function Download PDFInfo
- Publication number
- CN221057441U CN221057441U CN202323077348.4U CN202323077348U CN221057441U CN 221057441 U CN221057441 U CN 221057441U CN 202323077348 U CN202323077348 U CN 202323077348U CN 221057441 U CN221057441 U CN 221057441U
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- photovoltaic module
- heat
- heat dissipation
- backboard
- net
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 78
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 238000009941 weaving Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 6
- 238000010248 power generation Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
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- Photovoltaic Devices (AREA)
Abstract
The utility model provides a photovoltaic module backboard with a heat dissipation function, which comprises a photovoltaic module backboard, a heat dissipation device, a heat conduction sheet and a heat dissipation net, wherein the heat dissipation device, the heat conduction sheet and the heat dissipation net are arranged on the back surface of the photovoltaic module backboard; the heat dissipation device is arranged at one end of the backboard of the photovoltaic module; the heat dissipation net is vertically arranged at the other end of the backboard of the photovoltaic module; the heat conducting fin is arranged between the heat radiating device and the heat radiating net, and is not contacted with the heat radiating device, and is connected with the heat radiating net in a right angle. When the temperature of the photovoltaic module is higher, heat on the backboard of the photovoltaic module is led to the radiating net through the heat conducting fin, and the connected radiating device is aligned with the radiating net to blow air to accelerate heat dissipation, so that the radiating efficiency of the backboard can be effectively improved, and the work of the photovoltaic cell is prevented from being influenced by high temperature. The heat dissipation device is arranged on the back of the back plate of the photovoltaic module, so that the heat dissipation of the photovoltaic module at a high temperature can be effectively assisted, and the service life of the photovoltaic module is prolonged.
Description
Technical Field
The utility model belongs to the field of photovoltaic modules, and particularly relates to a photovoltaic module backboard with a heat dissipation function.
Background
The outer layer material on the back of the photovoltaic module is called a back plate, is a key component of the photovoltaic module, and is a protective material used on the photovoltaic module. The photovoltaic module backboard isolates the inside of the module from the external environment, realizes electric insulation and enables the module to run outdoors for a long time. The reliability and service life of the assembly are also closely related to the quality of the back plate, providing an outer layer of strength support for the assembly. The back plate is directly exposed to the air, long-term high temperature influence resistance is required, and the heat resistance of the back plate material is directly related to the service life of the photovoltaic module. The existing photovoltaic module backboard structure is designed to be more traditional, and is only a simple flat plate structure with a yielding hole, so that the structural heat dissipation capacity is general.
The photovoltaic module backboard is resistant to the influence of high temperature for a long time, and a hot spot effect is formed: the high temperature can cause the local temperature of the assembly to be too high, so that hot spots are formed on the assembly, the local power generation amount of the assembly is reduced, and the overall power generation efficiency is influenced; accelerated aging: the high temperature accelerates the aging process of the photovoltaic module, so that the power generation performance of the module is gradually reduced, and the service life of the module is shortened; power decay: the high temperature can cause the power attenuation of the photovoltaic module, so that the generated energy of the photovoltaic module is reduced; thermal runaway: the high temperature can cause the displacement of the battery piece in the photovoltaic module, and the battery piece or the connecting line can be short-circuited, so that the module is in fault; accelerating battery decay: the high temperature accelerates the attenuation of the photovoltaic cell, so that the power generation performance of the photovoltaic cell is gradually reduced; reducing system efficiency: the high temperature can cause temperature heat loss of electronic devices, cables and the like in the photovoltaic power station, so that the overall efficiency of the system is reduced; life-affecting: the high temperatures can have a detrimental effect on the materials and structure of the photovoltaic module, which in severe cases can lead to degradation and reduced life of the module.
Therefore, the technical problem to be solved by the utility model is to provide the photovoltaic module backboard with the heat dissipation function, and the heat dissipation device is arranged at the rear part of the photovoltaic module backboard, so that the photovoltaic module backboard can effectively help to dissipate heat at high temperature, and the service life of the photovoltaic module is prolonged.
Disclosure of utility model
In view of the above problems, the present utility model provides a photovoltaic module back plate with a heat dissipation function, which comprises a photovoltaic module back plate, and a heat dissipation device, a heat conduction sheet and a heat dissipation net which are arranged on the back surface of the photovoltaic module back plate; the heat dissipation device is arranged at one end of the backboard of the photovoltaic module; the heat dissipation net is vertically arranged at the other end of the backboard of the photovoltaic module; the heat conducting fin is arranged between the heat radiating device and the heat radiating net, and is not contacted with the heat radiating device, and is connected with the heat radiating net in a right angle.
Further, the heat conducting fin is connected with the heat dissipation net through the rib plates, one end of each rib plate is connected with the heat conducting fin, and the other end of each rib plate is connected with the heat dissipation net.
Further, the photovoltaic module backboard further comprises a mounting hole and a threading hole, the mounting hole is formed in the center of the photovoltaic module backboard, the threading hole is formed in the periphery of the frame of the photovoltaic module backboard, and the heat conducting fin is arranged between the mounting hole and the threading hole.
Further, the heat dissipation device includes a fan.
Further, be provided with telescopic elasticity bump on the heat abstractor, be provided with on the photovoltaic module backplate with elasticity bump complex recess, heat abstractor passes through elasticity bump and recess cooperation realization detachable connection with the photovoltaic module backplate.
Further, a groove is formed in the edge, in contact with the back plate of the photovoltaic module, of the heat radiating device, and the groove is matched with the edge of the back plate of the photovoltaic module to achieve clamping.
Further, the photovoltaic module backsheet comprises a PVDF or PVF coated backsheet.
Further, the heat conductive sheet and the rib each include a plate made of stainless steel.
Further, the heat dissipation net is formed by weaving stainless steel wires.
Compared with the prior art, the application has the beneficial effects that:
Through set up heat abstractor at photovoltaic module backplate, conducting strip and heat dissipation net, when photovoltaic module temperature is higher, the heat on the photovoltaic module backplate leads to the heat dissipation net through the conducting strip, and the heat abstractor of switch-on aims at the heat dissipation net and bloies to accelerate the heat dissipation this moment, can effectively improve the radiating efficiency of backplate, avoids high temperature to influence photovoltaic cell work. The heat dissipation device is arranged on the back of the back plate of the photovoltaic module, so that the heat dissipation of the photovoltaic module at a high temperature can be effectively assisted, and the service life of the photovoltaic module is prolonged.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 illustrates a top view of a photovoltaic module backsheet in an embodiment of the present utility model;
Fig. 2 illustrates a front view of a photovoltaic module backsheet in an embodiment of the present utility model.
In the figure, a back plate of a 1-photovoltaic module, a 2-heat radiating device, a 3-heat conducting sheet, a 4-heat radiating net, 5-rib plates, 6-mounting holes and 7-threading holes.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 and 2, a photovoltaic module back plate with a heat dissipation function comprises a photovoltaic module back plate 1, a heat dissipation device 2, a heat conduction sheet 3 and a heat dissipation net 4, wherein the heat dissipation device 2, the heat conduction sheet 3 and the heat dissipation net 4 are arranged on the back surface of the photovoltaic module back plate 1; the heat dissipation device 2 is arranged at one end of the photovoltaic module backboard 1; the heat dissipation net 4 is vertically arranged at the other end of the photovoltaic module backboard 1; the heat conducting fin 3 is arranged between the heat radiating device 2 and the heat radiating net 4, the heat conducting fin 3 is not contacted with the heat radiating device 2, and the heat conducting fin 3 is connected with the heat radiating net 4 at right angles.
The purpose that heat abstractor 2 and heat dissipation net 4 set up relatively is, and the heat on the photovoltaic module backplate 1 leads to on the heat dissipation net 4 through conducting strip 3, and heat abstractor 2 is aimed at the heat dissipation net 4 and is bloied for the heat dissipation, and the heat on the conducting strip 3 can be taken away in the flow that sets up like this, can also take away the heat on the heat dissipation net 4 through cold wind for radiating efficiency improves.
In some embodiments, the thermally conductive sheet 3 is fixed to the photovoltaic module backsheet 1 by a high temperature resistant adhesive.
In some embodiments, the thermally conductive sheet 3 is fixed to the photovoltaic module backsheet 1 by bolts and nuts.
One end of the photovoltaic module backboard 1 connected with the heat dissipation device 2 is provided with a groove, and the heat dissipation device (2) is installed in the groove.
In some embodiments, the heat dissipating device 2 is provided with a telescopic elastic bump, the photovoltaic module back plate 1 is provided with a groove matched with the elastic bump, and the heat dissipating device 2 and the photovoltaic module back plate 1 are detachably connected through the matching of the elastic bump and the groove. If the heat dissipating device 2 needs to be cleaned or replaced, the heat dissipating device 2 can be separated from the photovoltaic module backboard 1 only by pulling, so that the cost is saved, and the installation is more convenient.
In some embodiments, a groove is formed at the edge of the heat dissipating device 2, which is in contact with the photovoltaic module backboard 1, and the groove is matched with the edge of the photovoltaic module backboard 1 to realize clamping. Only the heat radiator 2 is required to be pulled, so that the heat radiator 2 is separated from the back plate 1 of the photovoltaic module, the cost is saved, and the installation is more convenient.
The heat conducting fins 3 are connected with the heat dissipation net 4 through rib plates 5, one ends of a plurality of rib plates 5 are connected with the heat conducting fins 3, and the other ends of the rib plates 5 are connected with the heat dissipation net 4.
The photovoltaic module backboard 1 further comprises a mounting hole 6 and a threading hole 7, the mounting hole 6 is arranged at the center of the photovoltaic module backboard 1, the threading hole 7 is arranged around the frame of the photovoltaic module backboard 1, and the heat conducting fin 3 is arranged between the mounting hole 6 and the threading hole 7.
The heat conducting fin 3 is arranged at the center of the back surface of the back plate 1 of the photovoltaic module and is in a shape like a Chinese character 'hui', the heat conducting fin 3 is arranged outside the mounting hole 6 at the center of the back plate 1 of the photovoltaic module and the peripheral threading holes 7 at the edge, the heat conducting fin 3 is far away from the heat radiating device 2 and is connected with the vertical heat radiating net 4, the heat radiating net 4 is connected with the heat conducting fin 3 through the rib plate 5, and the rib plate 5 is connected with the heat conducting fin 3 and the heat radiating net 4 to form a right triangle.
In some embodiments, the heat sink 2 comprises a fan.
The photovoltaic module backboard 1 comprises a PVDF or PVF coated backboard, and the photovoltaic module backboard 1 has good high temperature resistance and insulation performance. Can bear a certain high-temperature environment and is not easy to damage.
The heat conductive sheet 3 and the rib 5 are each made of stainless steel. The stainless steel material is firm and durable, good in heat conduction and heat dissipation performance and strong in corrosion resistance.
The heat dissipation net 4 is formed by weaving stainless steel wires. The stainless steel material is firm and durable, good in heat conduction and heat dissipation performance and strong in corrosion resistance.
In some embodiments, the heat conducting fin 3, the heat dissipation net 4 and the rib plates 5 are all connected through welding, and the rib plates 5 can improve the connection stability of the heat conducting fin 3 and the heat dissipation net 4.
The photovoltaic module backboard 1 can penetrate through the installation holes 7 through screws to connect the photovoltaic module backboard 1 with the photovoltaic cells when the photovoltaic module backboard 1 is installed, wires of the photovoltaic cells penetrate through the threading holes 6 to be connected with the junction box, the junction box is fixed on the back of the backboard 1 through the screws, and the heat dissipation device 2 is connected with the control switch and the storage battery through the wires. When the temperature of the photovoltaic module backboard 1 is higher, the power supply of the heat dissipation device 2 can be connected. The heat on the back plate 1 of the photovoltaic module is guided to the heat dissipation net 4 through the heat conducting fin 3, and then the heat dissipation device 2 is aligned with the heat dissipation net 4 to blow air for accelerating heat dissipation, so that the heat dissipation efficiency of the back plate 1 can be effectively improved, and the work of the photovoltaic cell is prevented from being influenced by high temperature. The heat dissipation device 2 is arranged at the rear part of the back plate 1 of the photovoltaic module, so that the back plate 1 can effectively dissipate heat at a high temperature.
By arranging the heat dissipating device 2, the heat conducting fin 3 and the heat dissipating net 4, the formation of hot spot effect, the acceleration of aging and the power attenuation and the increase of service life can be avoided.
Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (9)
1. The utility model provides a photovoltaic module backplate that possesses heat dissipation function, includes photovoltaic module backplate (1), its characterized in that: the solar energy heat-dissipating device further comprises a heat-dissipating device (2), a heat-conducting fin (3) and a heat-dissipating net (4) which are arranged on the back surface of the back plate (1) of the photovoltaic module; the heat dissipation device (2) is arranged at one end of the back plate (1) of the photovoltaic module; the heat dissipation net (4) is vertically arranged at the other end of the photovoltaic module backboard (1); the heat conducting fin (3) is arranged between the heat radiating device (2) and the heat radiating net (4), the heat conducting fin (3) is not contacted with the heat radiating device (2), and the heat conducting fin (3) is connected with the heat radiating net (4) at right angles.
2. The photovoltaic module back sheet with heat dissipation function according to claim 1, wherein: the heat conducting fins (3) are connected with the heat dissipation net (4) through rib plates (5), one ends of a plurality of rib plates (5) are connected with the heat conducting fins (3), and the other ends of the rib plates are connected with the heat dissipation net (4).
3. The photovoltaic module back sheet with heat dissipation function according to claim 2, wherein: the photovoltaic module backboard (1) further comprises a mounting hole (6) and a threading hole (7), the mounting hole (6) is formed in the center of the photovoltaic module backboard (1), the threading hole (7) is formed in the periphery of the frame of the photovoltaic module backboard (1), and the heat conducting fin (3) is arranged between the mounting hole (6) and the threading hole (7).
4. The photovoltaic module back sheet with heat dissipation function according to claim 3, wherein: the heat sink (2) comprises a fan.
5. The photovoltaic module back sheet with heat dissipation function according to claim 4, wherein: the heat dissipation device is characterized in that telescopic elastic protruding points are arranged on the heat dissipation device (2), grooves matched with the elastic protruding points are formed in the photovoltaic module backboard (1), and the heat dissipation device (2) is detachably connected with the photovoltaic module backboard (1) through the matching of the elastic protruding points and the grooves.
6. The photovoltaic module back sheet with heat dissipation function according to claim 4, wherein: the edge of the heat dissipation device (2) contacted with the photovoltaic module backboard (1) is provided with a groove, and the groove is matched with the edge of the photovoltaic module backboard (1) to realize clamping.
7. The photovoltaic module back sheet with heat dissipation function according to claim 1, wherein: the photovoltaic module backsheet (1) comprises a PVDF or PVF coated backsheet.
8. The photovoltaic module back sheet with heat dissipation function according to claim 2, wherein: the heat conducting fin (3) and the rib plates (5) are both made of stainless steel.
9. The photovoltaic module back sheet with heat dissipation function according to claim 1, wherein: the heat dissipation net (4) is formed by weaving stainless steel wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323077348.4U CN221057441U (en) | 2023-11-14 | 2023-11-14 | Photovoltaic module backboard with heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323077348.4U CN221057441U (en) | 2023-11-14 | 2023-11-14 | Photovoltaic module backboard with heat dissipation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221057441U true CN221057441U (en) | 2024-05-31 |
Family
ID=91222827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323077348.4U Active CN221057441U (en) | 2023-11-14 | 2023-11-14 | Photovoltaic module backboard with heat dissipation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221057441U (en) |
-
2023
- 2023-11-14 CN CN202323077348.4U patent/CN221057441U/en active Active
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