CN213661564U - Photovoltaic module based on IBC battery - Google Patents
Photovoltaic module based on IBC battery Download PDFInfo
- Publication number
- CN213661564U CN213661564U CN202022357651.XU CN202022357651U CN213661564U CN 213661564 U CN213661564 U CN 213661564U CN 202022357651 U CN202022357651 U CN 202022357651U CN 213661564 U CN213661564 U CN 213661564U
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- photovoltaic module
- air
- heating panel
- battery
- 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 discloses a photovoltaic module based on IBC battery relates to IBC battery technical field, and its technical scheme is: comprises a photovoltaic module body, a battery layer, a first heat dissipation plate and a second heat dissipation plate, wherein the top of the photovoltaic module body is provided with a thick toughened glass layer, the bottom of the thick toughened glass layer is fixedly connected with a battery layer, the bottom of the battery layer is provided with a first heat dissipation plate, the refrigerator is arranged on the inner wall of the bottom of the photovoltaic assembly body, the air pump is fixedly connected with the bottom of the photovoltaic assembly body, an air inlet pipe is installed at one end of the air pump, a refrigerating rod is sleeved on the outer surface of the air inlet pipe, a first heat dissipation cavity is formed in the inner wall of the photovoltaic assembly body, the tuber pipe is installed to photovoltaic module body one side, first heating panel top inner wall fixed connection alloy heat conduction stick, the utility model discloses the thermal diffusivity on the inside battery layer of reinforcing photovoltaic module body prevents to arouse the damage of inside electronic component under the condition of the high temperature insolate in summer, improves photovoltaic module's work efficiency.
Description
Technical Field
The utility model relates to a IBC battery technical field, concretely relates to photovoltaic module based on IBC battery.
Background
IBC (interdigitated back contact) cells appeared in the 70 th century of the 20 th century, were the first back junction cells studied, and were primarily used in light-focusing systems, as shown in FIG. l, the cells were made of N-type substrate materials, the front and back surfaces of which were covered with a layer of thermal oxide film to reduce surface recombination, and the photolithography technique was used to locally diffuse phosphorus and boron on the back surface of the cells, respectively, to form P regions and N regions arranged in a finger-like cross arrangement, and P + regions and N + regions located above the P regions and N regions, and the re-diffused P + and N + regions can effectively eliminate the voltage saturation effect under high light-focusing conditions, and in addition, the coverage area of the contact electrodes of the P + and N + regions almost reached 1/2 on the back surface, thereby greatly reducing the series resistance, and the core problem of the IBC cells is how to prepare good quality P regions and N regions arranged in a finger-like spaced arrangement on the back surface of the cells, in order to avoid the complicated operations brought by the photolithography technique, the method is characterized in that a boron-containing interdigital diffusion masking layer can be printed on the back surface of the cell, boron on the masking layer enters an N-type substrate after diffusion to form a P + region, an area without the mask layer is not printed with the mask layer, and an N + region is formed after phosphorus diffusion.
The prior art has the following defects: traditional IBC battery photovoltaic module thermal diffusivity is poor, causes the damage of inside electronic component easily under the condition of summer high temperature insolate, influences the efficiency of electricity generation because the temperature is too high more.
Therefore, the invention is necessary to invent a photovoltaic module based on IBC cells.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a photovoltaic module based on IBC battery through two sets of first heating panels, twenty alloy heat conduction rods of organizing, the protruding radiating block of twenty four groups, the top and the bottom in tee bend chamber communicate with each other with heat dissipation chamber two and ventilation chamber respectively, and the second heating panel is installed to the battery layer bottom, and second heating panel surface is equipped with the heat dissipation copper sheet, and the louvre is seted up to heat dissipation copper sheet one side surface to solve the problem in the background art.
In order to achieve the above object, the present invention provides the following technical solutions: a photovoltaic module based on an IBC battery comprises a photovoltaic module body, a battery layer, a first heat dissipation plate and a second heat dissipation plate, wherein a thick toughened glass layer is installed at the top of the photovoltaic module body, the bottom of the thick toughened glass layer is fixedly connected with the battery layer, the bottom of the battery layer is provided with the first heat dissipation plate, the inner wall of the bottom of the photovoltaic module body is provided with a refrigerator, the bottom of the photovoltaic module body is fixedly connected with an air pump, one end of the air pump is provided with an air inlet pipe, the outer surface of the air inlet pipe is sleeved with a refrigerating rod, the inner wall of the photovoltaic module body is provided with a first heat dissipation cavity, one side of the photovoltaic module body is provided with an air outlet pipe, the inner wall of the top of the first heat dissipation plate is fixedly connected with an alloy heat conduction rod, the inner wall of the top of the first, and a second heat dissipation cavity is formed in the inner wall of the top of the first heat dissipation plate.
Preferably, the first heat dissipation plates are uniformly installed at the bottom of the battery layer, the number of the first heat dissipation plates is two groups, the alloy heat conduction rods are uniformly installed at the bottom of the first heat dissipation plates, the number of the alloy heat conduction rods is twenty groups, and the bottom ends of the alloy heat conduction rods are fixedly connected with the tops of the alloy heat conduction rods below the two groups of the first heat dissipation plates.
Preferably, the refrigerator electric connection refrigeration stick, air-supply line one end and a heat dissipation chamber fixed connection and communicate with each other, the air-supply line other end and air pump output end fixed connection and communicate with each other.
Preferably, one end of the air inlet pipe and one end of the air outlet pipe are fixedly connected and communicated with the first heat dissipation cavity, and the other end of the air outlet pipe is fixedly connected and communicated with the input end of the air pump.
Preferably, protruding radiating block evenly installs bottom and top at two sets of first heating panels respectively, the quantity of protruding radiating block sets up to twenty four groups, the top and the bottom in tee bend chamber respectively with two and the ventilation chamber fixed connection in heat dissipation chamber and communicate with each other.
Preferably, a second heat dissipation plate is installed at the bottom of the battery layer, a heat dissipation copper sheet is arranged on the outer surface of the second heat dissipation plate, and a heat dissipation hole is formed in the outer surface of one side of the heat dissipation copper sheet.
The utility model has the advantages that:
1. first heating panel evenly installed in the battery layer bottom, the quantity of first heating panel sets up to two sets ofly, alloy heat conduction stick evenly installs in first heating panel bottom, the quantity of alloy heat conduction stick sets up to twenty groups, alloy heat conduction stick top fixed connection of below in the bottom of alloy heat conduction stick and two sets of first heating panels, when the battery layer during operation, the temperature of sun insolate down with self production can increase, the high temperature of battery layer carries out heat-conduction through first heating panel and alloy heat conduction stick this moment, transmit two sets of alloy heat conduction sticks with the temperature at the battery layer back through alloy heat conduction stick, dispel the heat.
2. Refrigerator electric connection refrigeration stick, air-supply line one end just communicates with each other with a heat dissipation chamber fixed connection, the air-supply line other end just communicates with each other with air pump output end fixed connection, when dispelling the heat for alloy heat conduction stick and first heating panel, when blowing to the air-supply line through the air pump, the air conditioning of the refrigeration stick of air-supply line surface parcel transmits the air for in the air-supply line, make it become cold wind, cold wind gets into heat dissipation chamber one afterwards, for first heating panel and alloy heat conduction stick cooling, reach the effect for the battery layer cooling.
3. The air inlet pipe and the one end of the air outlet pipe are fixedly connected and communicated with the first heat dissipation cavity, the other end of the air outlet pipe is fixedly connected and communicated with the air pump input end, after cold air in the air inlet pipe enters the first heat dissipation cavity, the air outlet pipe is cooled through the first heat dissipation plate and the alloy heat conduction rod, then the cold air is cooled and becomes hot air, the hot air enters the air pump input end through the air outlet pipe, the air pump input end discharges hot air into the air inlet pipe again, the refrigeration rod continues to refrigerate the hot air in the air inlet pipe, and finally the cold air enters the first heat dissipation cavity through the air inlet pipe to enable the first.
4. Protruding radiating block evenly installs bottom and top at two sets of first heating panels respectively, the quantity of protruding radiating block sets up to twenty four groups, the top in tee bend chamber and bottom respectively with heat dissipation chamber two and ventilation chamber fixed connection and communicate with each other, cold wind when the air-intake pipe gets into heat dissipation chamber one after, through protruding radiating block, get into tee bend chamber and heat dissipation chamber two, increase cold wind and the area of contact of first heating panel, reach the radiating effect that the increase was given first heating panel, the material of alloy heat conduction stick is the green high aluminum alloy of heat conduction, the effect is the heat conductivity between increase battery layer and the first heating panel.
5. The second heating panel is installed to the battery layer bottom, second heating panel surface is equipped with the heat dissipation copper sheet, the louvre is seted up to heat dissipation copper sheet one side surface, when the battery layer during operation, the temperature that produces with self under the sun insolate can increase, the high temperature of battery layer carries out heat-conduction through the second heating panel this moment, transmit the temperature at the battery layer back to the second heating panel, after cold wind gets into heat dissipation chamber one when the air-intake pipe afterwards, dispel the heat through the heat dissipation copper sheet through the louvre, reach the radiating effect to the battery layer.
Drawings
Fig. 1 is a schematic structural view of a photovoltaic module body according to embodiment 1 provided by the present invention;
fig. 2 is an enlarged view of a in fig. 1 according to embodiment 1 of the present invention;
fig. 3 is a side view of the air inlet duct and the refrigeration rod according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a photovoltaic module body according to embodiment 2 provided by the present invention.
In the figure: the photovoltaic module comprises a photovoltaic module body 1, a battery layer 2, a first heat dissipation plate 3, a refrigerator 4, an air pump 5, an air inlet pipe 6, a refrigeration rod 7, a thick toughened glass layer 8, a first heat dissipation cavity 9, an air outlet pipe 10, an alloy heat conduction rod 11, a ventilation cavity 13, a raised heat dissipation block 14, a three-way cavity 15, a second heat dissipation cavity 16, a second heat dissipation plate 17, a heat dissipation copper sheet 18 and heat dissipation holes 19.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1:
referring to the attached drawings 1-3, the utility model provides a photovoltaic module based on an IBC battery, which comprises a photovoltaic module body 1, a battery layer 2, a first heat dissipation plate 3 and a second heat dissipation plate 17, wherein the top of the photovoltaic module body 1 is provided with a thick toughened glass layer 8, the bottom of the thick toughened glass layer 8 is fixedly connected with the battery layer 2, the bottom of the battery layer 2 is provided with the first heat dissipation plate 3, the inner wall of the bottom of the photovoltaic module body 1 is provided with a refrigerator 4, the bottom of the photovoltaic module body 1 is fixedly connected with an air pump 5, one end of the air pump 5 is provided with an air inlet pipe 6, the outer surface of the air inlet pipe 6 is sleeved with a refrigerating rod 7, the inner wall of the photovoltaic module body 1 is provided with a first heat dissipation cavity 9, one side of the photovoltaic module body 1 is provided with an air outlet pipe 10, the inner wall of the top of the first heat dissipation, the inner wall of the raised radiating block 14 is provided with a tee cavity 15, and the inner wall of the top of the first radiating plate 3 is provided with a second radiating cavity 16.
Further, first heating panel 3 is evenly installed in 2 bottoms on battery layer, the quantity of first heating panel 3 sets up to two sets of, 11 evenly installed in 3 bottoms on first heating panel of alloy heat conduction stick, the quantity of alloy heat conduction stick 11 sets up to twenty groups, 11 top fixed connection of alloy heat conduction stick of below in 11 bottoms of alloy heat conduction stick and two sets of first heating panels 3, when 2 during operation on battery layer, the temperature that sun insolate down and self produced can increase, the high temperature of battery layer 2 carries out heat-conduction through first heating panel 3 and alloy heat conduction stick 11 this moment, transmit two sets of alloy heat conduction sticks 11 with the temperature at the 2 backs on battery layer through alloy heat conduction stick 11, dispel the heat.
Further, 4 electric connection refrigeration stick 7 of refrigerator, 6 one ends of air-supply line and a 9 fixed connection in heat dissipation chamber and communicate with each other, 6 other ends of air-supply line and 5 output fixed connection of air pump and communicate with each other, when giving alloy heat conduction stick 11 and first heating panel 3 and dispel the heat, when blowing to air-supply line 6 through air pump 5, the air conditioning transmission of the refrigeration stick 7 of 6 surface parcels of air-supply line gives the air in the air-supply line 6, make it become cold wind, cold wind gets into a 9 heat dissipation chamber afterwards, lower the temperature for first heating panel 3 and alloy heat conduction stick 11, reach the effect of giving the cooling of battery layer 2.
Furthermore, one end of the air inlet pipe 6 and one end of the air outlet pipe 10 are fixedly connected and communicated with the first heat dissipation cavity 9, the other end of the air outlet pipe 10 is fixedly connected and communicated with the input end of the air pump 5, when cold air in the air inlet pipe 6 enters the first heat dissipation cavity 9, the cold air is cooled through the first heat dissipation plate 3 and the alloy heat conduction rod 11, the cold air is changed into hot air after being cooled, the hot air enters the input end of the air pump 5 through the air outlet pipe 10, the hot air is discharged into the air inlet pipe 6 again through the input end of the air pump 5, the refrigeration rod 7 continues to refrigerate the hot air in the air inlet pipe 6, and finally the cold air enters the first heat dissipation cavity through the air inlet pipe.
Further, protruding radiating block 14 evenly installs bottom and top at two sets of first heating panels 3 respectively, the quantity of protruding radiating block 14 sets up to twenty four groups, the top and the bottom in tee bend chamber 15 respectively with two 16 and the ventilation chamber 13 fixed connection of heat dissipation chamber and communicate with each other, after cold wind gets into heat dissipation chamber 9 in the air-supply line 6, through protruding radiating block 14, get into tee bend chamber 15 and heat dissipation chamber two 16, increase cold wind and first heating panel 3's area of contact, reach the radiating effect that the increase was given first heating panel 3, the material of alloy heat conduction stick 11 is the green high aluminum alloy of heat conduction, the effect is the heat conductivity between increase battery layer 2 and the first heating panel 3.
The utility model discloses a use as follows: when the battery layer 2 works, the temperature of the sun and the temperature generated by the sun can be increased, at the moment, the high temperature of the battery layer 2 is conducted by the first heat dissipation plate 3 and the alloy heat conduction rods 11, the temperature of the back surface of the battery layer 2 is transmitted to the two groups of alloy heat conduction rods 11 through the alloy heat conduction rods 11 for heat dissipation, when the alloy heat conduction rods 11 and the first heat dissipation plate 3 are radiated, air is blown to the air inlet pipe 6 through the air pump 5, the cold air of the refrigeration rod 7 wrapped on the outer surface of the air inlet pipe 6 is transmitted to the air in the air inlet pipe 6 to be changed into cold air, then the cold air enters the first heat dissipation cavity 9 to cool the first heat dissipation plate 3 and the alloy heat conduction rods 11, the effect of cooling the battery layer 2 is achieved, after the cold air in the air inlet pipe 6 enters the first heat dissipation cavity 9, the cold air is cooled through the first heat dissipation plate 3 and the alloy heat conduction rods 11, then the cold air is changed, the input end of the air pump 5 discharges hot air into the air inlet pipe 6 again, the refrigerating rod 7 continues to feed hot air in the air inlet pipe 6 for refrigeration, finally, the cold air enters the first heat dissipation cavity through the air inlet pipe 6 to enable the first heat dissipation plate 3 and the alloy heat conduction rod 11 to form cold air circulation heat dissipation, after cold air in the air inlet pipe 6 enters the first heat dissipation cavity 9, the cold air passes through the protruding heat dissipation block 14 and enters the three-way cavity 15 and the second heat dissipation cavity 16, the contact area of the cold air and the first heat dissipation plate 3 is increased, the heat dissipation effect of the first heat dissipation plate 3 is increased, the alloy heat conduction rod 11 is made of aluminum alloy with green and high heat conduction, and the heat conduction effect is that the heat conductivity between.
Example 2:
referring to the attached drawing 4, the utility model provides a pair of photovoltaic module based on IBC battery, including second heating panel 17, heat dissipation copper sheet 18 and louvre 19, it is specific, second heating panel 17 is installed to battery layer 2 bottom, second heating panel 17 surface is equipped with heat dissipation copper sheet 18, louvre 19 is seted up to heat dissipation copper sheet 18 one side surface, when battery layer 2 during operation, the temperature that sun insolate down and self produced can increase, the high temperature of battery layer 2 carries out heat-conduction through second heating panel 17 this moment, transmit second heating panel 17 with the temperature at the battery layer 2 back, after cold wind gets into heat dissipation chamber 9 in the air-supply line 6 afterwards, dispel the heat through heat dissipation copper sheet 18 through louvre 19, reach the radiating effect to battery layer 2.
The utility model discloses a use as follows: when the battery layer 2 during operation, the temperature that the sun insolate down and self produced can increase, and the high temperature of battery layer 2 carries out heat-conduction through second heating panel 17 this moment, transmits the temperature at the back of battery layer 2 to second heating panel 17, later on when the interior cold wind of air-supply line 6 gets into heat dissipation chamber 9 after, dispels the heat through heat dissipation hole 19 through heat dissipation copper sheet 18 to heat dissipation copper sheet 18, reaches the radiating effect to battery layer 2.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.
Claims (6)
1. A photovoltaic module based on IBC battery, includes photovoltaic module body (1), battery layer (2), first heating panel (3) and second heating panel (17), its characterized in that: the solar photovoltaic module is characterized in that a thick toughened glass layer (8) is installed at the top of a photovoltaic module body (1), the bottom of the thick toughened glass layer (8) is fixedly connected with a battery layer (2), a first heat dissipation plate (3) is installed at the bottom of the battery layer (2), a refrigerator (4) is installed on the inner wall of the bottom of the photovoltaic module body (1), an air pump (5) is fixedly connected with the bottom of the photovoltaic module body (1), an air inlet pipe (6) is installed at one end of the air pump (5), a refrigeration rod (7) is sleeved on the outer surface of the air inlet pipe (6), a first heat dissipation cavity (9) is formed in the inner wall of the photovoltaic module body (1), an air outlet pipe (10) is installed on one side of the photovoltaic module body (1), an alloy heat conduction rod (11) is fixedly connected with the inner wall of the top of the first heat dissipation plate (3), a ventilation cavity (13) is, the inner wall of the raised heat dissipation block (14) is provided with a three-way cavity (15), and the inner wall of the top of the first heat dissipation plate (3) is provided with a second heat dissipation cavity (16).
2. The IBC cell based photovoltaic module of claim 1, wherein: first heating panel (3) are evenly installed in battery layer (2) bottom, the quantity of first heating panel (3) sets up to two sets of, alloy heat conduction stick (11) are evenly installed in first heating panel (3) bottom, the quantity of alloy heat conduction stick (11) sets up to twenty groups, the bottom of alloy heat conduction stick (11) with alloy heat conduction stick (11) top fixed connection of below in two sets of first heating panel (3).
3. The IBC cell based photovoltaic module of claim 1, wherein: refrigerator (4) electric connection refrigeration stick (7), air-supply line (6) one end and heat dissipation chamber (9) fixed connection and communicate with each other, air-supply line (6) other end and air pump (5) output fixed connection and communicate with each other.
4. The IBC cell based photovoltaic module of claim 1, wherein: one ends of the air inlet pipe (6) and the air outlet pipe (10) are fixedly connected and communicated with the first heat dissipation cavity (9), and the other end of the air outlet pipe (10) is fixedly connected and communicated with the input end of the air pump (5).
5. The IBC cell based photovoltaic module of claim 1, wherein: protruding radiating block (14) are evenly installed respectively in the bottom and the top of two sets of first heating panel (3), the quantity of protruding radiating block (14) sets up to twenty four groups, the top and the bottom in tee bend chamber (15) respectively with two (16) in radiating chamber and ventilation chamber (13) fixed connection and communicate with each other.
6. The IBC cell based photovoltaic module of claim 1, wherein: the battery pack is characterized in that a second heat dissipation plate (17) is installed at the bottom of the battery layer (2), a heat dissipation copper sheet (18) is arranged on the outer surface of the second heat dissipation plate (17), and a heat dissipation hole (19) is formed in the outer surface of one side of the heat dissipation copper sheet (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022357651.XU CN213661564U (en) | 2020-10-21 | 2020-10-21 | Photovoltaic module based on IBC battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022357651.XU CN213661564U (en) | 2020-10-21 | 2020-10-21 | Photovoltaic module based on IBC battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213661564U true CN213661564U (en) | 2021-07-09 |
Family
ID=76702586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022357651.XU Active CN213661564U (en) | 2020-10-21 | 2020-10-21 | Photovoltaic module based on IBC battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213661564U (en) |
-
2020
- 2020-10-21 CN CN202022357651.XU patent/CN213661564U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102709618B (en) | Microchannel cooling temperature equalizing system for ventilation of lithium battery | |
| CN102322695A (en) | Photovoltaic drive solar air collector | |
| CN101938227A (en) | Flat-plate type solar combined heat-electricity supply device | |
| CN211782035U (en) | Multifunctional double-cold condenser heat pipe photovoltaic photo-thermal system | |
| CN217306526U (en) | Double-sided inflation type honeycomb runner PVT assembly | |
| CN201655823U (en) | Efficient heat sink for solar-energy photovoltaic cell, as well as cell plate, CHP system and tube-on-sheet heat exchanger | |
| CN204345850U (en) | Solar heat pile semiconductor refrigeration air conditioner | |
| CN213661564U (en) | Photovoltaic module based on IBC battery | |
| CN206098426U (en) | Be used for thin -film solar cell continuous annealer | |
| CN210297635U (en) | Novel solar energy utilization system | |
| CN210482640U (en) | Multi-working-condition energy-saving wall | |
| CN106602170A (en) | Variable contact-type battery heat management system | |
| CN201059757Y (en) | Solar energy heating fan | |
| CN110285571A (en) | A kind of water heater based on thermoelectric cooler | |
| CN101867320A (en) | Photoelectric photo-thermal combined vacuum straight-through heat collector for trench light condensing system | |
| CN212627813U (en) | Heat dissipation device for photovoltaic power station power generation equipment | |
| CN212253200U (en) | Photovoltaic photo-thermal water tank module-special lambert wall combined system | |
| CN210346431U (en) | Heat exchange device | |
| CN201703222U (en) | Heating device for heating electric automobile compartment | |
| CN109245673A (en) | A kind of solar energy photovoltaic photo-thermal air collector | |
| CN208720735U (en) | A kind of flush system silicon chip drying furnace | |
| CN2301681Y (en) | Solar water heater | |
| CN220022752U (en) | Straight gentle energy intergral template | |
| CN221553220U (en) | Photovoltaic photo-thermal plate capable of preventing high temperature from overheating | |
| CN217299536U (en) | Double-fluid type photovoltaic photo-thermal roof assembly for residential building |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |