CN109981049B - New forms of energy sign - Google Patents
New forms of energy sign Download PDFInfo
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- CN109981049B CN109981049B CN201910241246.0A CN201910241246A CN109981049B CN 109981049 B CN109981049 B CN 109981049B CN 201910241246 A CN201910241246 A CN 201910241246A CN 109981049 B CN109981049 B CN 109981049B
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- heat dissipation
- boss
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- plate
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 159
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 94
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 93
- 239000000758 substrate Substances 0.000 claims abstract description 75
- 238000010248 power generation Methods 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 230000002940 repellent Effects 0.000 claims description 6
- 239000005871 repellent Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 239000004332 silver Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 3
- 239000010407 anodic oxide Substances 0.000 claims description 2
- 239000012774 insulation material Substances 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 12
- 239000003570 air Substances 0.000 description 11
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical group [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000013021 overheating Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005201 scrubbing Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
- G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/42—Cooling means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/60—Thermal-PV hybrids
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Photovoltaic Devices (AREA)
- Road Signs Or Road Markings (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention provides a new energy indicator board which comprises a light-emitting indicator board body and a photovoltaic board, wherein the photovoltaic board comprises an aluminum substrate, a solar panel is arranged on the front surface of the aluminum substrate, and a heat conduction boss, a fixing boss and a heat insulation sheet are arranged on the back surface of the aluminum substrate; the aluminum base plate is characterized by further comprising a heat dissipation plate, wherein a plurality of main heat dissipation ribs are arranged on one surface of the heat dissipation plate, which is back to the aluminum base plate, a plurality of auxiliary heat dissipation ribs are arranged on one surface of the heat dissipation plate, which faces the aluminum base plate, the main heat dissipation ribs and the auxiliary heat dissipation ribs keep the length direction of the main heat dissipation ribs upwards or the auxiliary heat dissipation ribs upwards in an inclined mode when the heat dissipation plate is installed, and a heat dissipation boss is further arranged on one surface of the heat dissipation plate, which faces the aluminum base plate; a convection channel is formed between the aluminum substrate and the heat dissipation plate, a thermoelectric generation piece is clamped between the heat conduction boss and the heat dissipation boss, and the heat dissipation plate is fixed with the aluminum substrate through a fixing screw screwed on the fixing boss and keeps the heat conduction boss and the heat dissipation boss to be tightly attached to each other. The solar thermoelectric generator has the advantages of capability of generating power through solar energy and temperature difference, high power generation efficiency and stable and reliable work.
Description
Technical Field
The invention relates to the field of indicators, in particular to a new energy indicator.
Background
The indicating boards are very common in daily life, solar indicating boards are arranged on a plurality of roads at present, sunlight is converted into electric energy through a solar panel to be stored, so that the sunlight can emit light for indicating in the daytime or at night, but the generating efficiency of the solar panel is directly related to the illumination area and the illumination intensity of the solar panel, the solar panel is black, a large part of heat is accumulated on the solar panel when the sun irradiates, if the heat is utilized, more electric quantity can be generated under the condition that the illumination area is fixed, and the generating capacity is improved; in the same way, under the condition of the same generated energy, compared with the simple solar panel, the solar panel can reduce the area of the solar panel, reduce the cost and reduce the probability of damage to the solar panel caused by natural disasters.
Disclosure of Invention
In view of the above problems, the present invention is directed to a new energy indicator capable of generating power by solar energy and temperature difference, and having high power generation efficiency and stable and reliable operation.
Aiming at the problems, the following technical scheme is provided: a new energy indicator comprises a light-emitting indicator body and a photovoltaic panel, wherein the light-emitting indicator body and the photovoltaic panel are arranged in a split mode, the photovoltaic panel comprises an aluminum substrate, a solar panel is arranged on the front surface of the aluminum substrate, a heat conduction boss and a fixing boss are arranged on the back surface of the aluminum substrate, and heat insulation sheets are paved on the surface of the back surface of the aluminum substrate except the heat conduction boss and the fixing boss; the aluminum base plate is characterized by further comprising an aluminum heat dissipation plate, wherein a plurality of main heat dissipation ribs which are arranged at intervals are arranged on one surface of the heat dissipation plate, which is back to the aluminum base plate, a plurality of auxiliary heat dissipation ribs which are arranged at intervals are arranged on one surface of the heat dissipation plate, which faces the aluminum base plate, the main heat dissipation ribs and the auxiliary heat dissipation ribs are in the same direction in length direction, and keep the length direction of the main heat dissipation ribs and the length direction of the auxiliary heat dissipation ribs upward or incline upward when the aluminum base plate is installed, and a heat dissipation boss is further arranged on one surface of the heat dissipation plate, which faces the aluminum base plate; the aluminum substrate and the heat dissipation plate are separated by partition bars arranged on the left side and the right side of the aluminum substrate and the heat dissipation plate, so that a convection channel is formed between the upper side and the lower side of the aluminum substrate and the heat dissipation plate, a temperature difference power generation sheet is clamped between the heat conduction boss and the heat dissipation boss, and the heat dissipation plate is fixed with the aluminum substrate through a fixing screw screwed on the fixing boss and keeps the heat conduction boss and the heat dissipation boss to be tightly attached to each other; the battery pack also comprises a charge-discharge module and a storage battery.
In the structure, the solar panel is arranged on the aluminum substrate, heat is conducted to the heat conducting boss by utilizing the heat conducting effect of the aluminum substrate, subsequent heat is transmitted to the thermoelectric generation piece through the heat conducting boss and is dissipated from the heat dissipation plate, the thermoelectric generation piece forms current, the electric energy generated by the solar panel is matched with the electric energy to charge the storage battery through the charging and discharging module, the electric energy is provided for the light-emitting indicator body to work through the charging and discharging module when the light-emitting indicator body needs to work, solar energy and heat energy are effectively utilized, the power generation efficiency is improved, and the area of the photovoltaic panel is greatly reduced under the same power; the length directions of the main heat dissipation ribs and the auxiliary heat dissipation ribs are upward or upward in an inclined mode when the main heat dissipation ribs and the auxiliary heat dissipation ribs are installed, so that hot air can rise faster when the main heat dissipation ribs and the auxiliary heat dissipation ribs heat surrounding air, the heat dissipation effect is improved, particularly the auxiliary heat dissipation ribs located between the aluminum substrate and the heat dissipation plate can quickly dissipate the hot air in a convection channel, the phenomenon that the heat transmission efficiency is reduced due to overheating of the aluminum substrate and the heat dissipation plate is avoided, the power generation efficiency of the thermoelectric power generation piece is reduced or power cannot be generated is avoided, the endurance is guaranteed by utilizing the double power generation capacity, and the reliability of the light-emitting indicator board body is improved.
The invention is further provided that the heat conduction bosses, the fixing bosses, the thermoelectric generation pieces and the heat dissipation bosses are all provided in equal number, and the heat conduction bosses, the heat dissipation bosses and the thermoelectric generation pieces are connected in series and in parallel.
In the structure, the single-chip power generation voltage of the thermoelectric power generation chip is about 5V, so that the current and the voltage are required to be increased by connecting the thermoelectric power generation chip in series and in parallel, and the output of electric quantity can be ensured when the temperature difference is small.
The invention is further arranged in that the solar panel is bonded with the aluminum substrate through 704 heat-conducting silica gel.
In the structure, the heat generated by the solar panel when being irradiated by the sun is transferred to the aluminum substrate through the 704 heat-conducting silica gel, so that the heat on the solar panel can be rapidly led out, the solar panel is prevented from being in a high-temperature state for a long time, and the service life of the solar panel is ensured.
The invention is further provided that the contact surfaces between the thermoelectric generation piece and the heat conduction boss and the heat dissipation boss are filled with heat conduction silicone grease.
In the above-mentioned structure, the cold side and the hot side of thermoelectric generation piece need have good heat transfer just can normally work, consequently improves the heat transfer efficiency between the three through filling heat conduction silicone grease on the contact surface to guarantee that the thermoelectric generation piece can produce sufficient electric current.
The invention is further provided that the surfaces of the aluminum substrate and the heat dissipation plate are provided with anodic oxidation layers.
In the structure, the anodic oxidation layer can prevent rainwater and acid mist from corroding the aluminum substrate and the heat dissipation plate in an open environment.
The invention is further set that the anodic oxidation layer on the surface of the aluminum substrate is black; the anodic oxidation layer on the surface of the radiating plate is silver.
In the structure, the black aluminum substrate is favorable for absorbing solar heat, and the silver heat dissipation plate can reduce the absorption of the solar heat, so that the reduction of the heat dissipation efficiency caused by unnecessary heat absorption of the heat dissipation plate is avoided or reduced.
The invention is further arranged that the height of the auxiliary heat dissipation rib is smaller than the convection channel gap between the aluminum substrate and the heat dissipation plate.
In the structure, the auxiliary heat dissipation ribs can be prevented from contacting the aluminum substrate, and partial heat is prevented from being transmitted to the heat dissipation plate through the thermoelectric generation piece due to the fact that the aluminum substrate directly contacts the heat dissipation plate.
The invention is further provided that the heat insulation sheet is an aluminum foil bubble heat insulation material.
In the structure, the roasting effect of the aluminum substrate on the heat dissipation plate after absorbing heat is reduced, and meanwhile, the heat dissipation effect of the back surface of the aluminum substrate can be reduced, so that heat can be transmitted more intensively through the heat conduction bosses.
The invention is further provided that the surface of the solar panel is provided with a water repellent film.
In the structure, the water repellent film is made of Suzhou Dawan plastic electronics Limited, the actual light transmittance is 93%, the adhesion of rainwater and sludge on the solar panel can be reduced, the long-term power generation efficiency is ensured, and the maintenance and scrubbing times are reduced.
The invention is further arranged in such a way that a support frame mounting table is further arranged on one side of the heat dissipation plate, which is provided with the auxiliary heat dissipation ribs, and the fixing screws penetrate through the support frame and then penetrate through the support frame mounting table to be screwed with the fixing bosses.
In the structure, the support frame mounting platform is abutted against the support frame after the fixing screw is screwed, and the support frame is used for fixing.
The invention has the beneficial effects that: the solar panel is arranged on the aluminum substrate, heat is conducted to the heat conduction boss by utilizing the heat conduction effect of the aluminum substrate, subsequent heat is transmitted to the thermoelectric generation piece through the heat conduction boss and is dissipated from the heat dissipation plate, the thermoelectric generation piece forms current, the electric energy generated by the solar panel is matched with the thermoelectric generation piece to charge the storage battery through the charge-discharge module, and the electric energy is supplied to the light-emitting indicator body to work through the charge-discharge module when the light-emitting indicator body needs to work, so that the solar energy and the heat energy are effectively utilized, the power generation efficiency is improved, and the area of the photovoltaic panel is greatly reduced under the same power; the length directions of the main heat dissipation ribs and the auxiliary heat dissipation ribs are upward or upward in an inclined mode when the main heat dissipation ribs and the auxiliary heat dissipation ribs are installed, so that hot air can rise faster when the main heat dissipation ribs and the auxiliary heat dissipation ribs heat surrounding air, the heat dissipation effect is improved, particularly the auxiliary heat dissipation ribs located between the aluminum substrate and the heat dissipation plate can quickly dissipate the hot air in a convection channel, the phenomenon that the heat transmission efficiency is reduced due to overheating of the aluminum substrate and the heat dissipation plate is avoided, the power generation efficiency of the thermoelectric power generation piece is reduced or power cannot be generated is avoided, the endurance is guaranteed by utilizing the double power generation capacity, and the reliability of the light-emitting indicator board body is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the back structure of the photovoltaic panel of the present invention.
Fig. 3 is a schematic diagram of the front explosion structure of the photovoltaic panel of the present invention.
Fig. 4 is a schematic diagram of an explosion structure on the back of the photovoltaic panel of the present invention.
The reference numbers in the figures mean: 10-a light-emitting indicator board body; 11-a luminescent indicator; 12-parting beads; 13-a convective pathway; 14-a set screw; 15-a charge-discharge module; 16-a storage battery; 20-a photovoltaic panel; 21-aluminum substrate; 22-a solar panel; 221-a water repellent film; 23-a thermally conductive boss; 24-fixing the boss; 25-a heat shield; 30-a heat sink; 31-primary heat dissipation ribs; 32-auxiliary heat dissipation ribs; 33-heat dissipation bosses; 34-a support mounting table; 35-a support frame; 40-thermoelectric power generation piece.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1 to 4, the new energy indicator shown in fig. 1 to 4 includes a light-emitting indicator body 10 and a photovoltaic panel 20, the light-emitting indicator body 10 and the photovoltaic panel 20 are separately disposed, a light-emitting indicator mark 11 is disposed on the light-emitting indicator body 10, the photovoltaic panel 20 includes an aluminum substrate 21, a solar panel 22 is disposed on the front surface of the aluminum substrate 21, a heat-conducting boss 23 and a fixing boss 24 are disposed on the back surface of the aluminum substrate 21, and a heat-insulating sheet 25 is laid on the surface of the back surface of the aluminum substrate 21 except the heat-conducting boss 23 and the fixing boss 24; the aluminum-made heat dissipation plate 30 is further included, a plurality of main heat dissipation ribs 31 which are arranged at intervals are arranged on one surface of the heat dissipation plate 30, which is back to the aluminum substrate 21, a plurality of auxiliary heat dissipation ribs 32 which are arranged at intervals are arranged on one surface of the heat dissipation plate 30, which faces the aluminum substrate 21, the main heat dissipation ribs 31 and the auxiliary heat dissipation ribs 32 are in the same direction in length direction, and keep the length direction of the main heat dissipation ribs and the length direction of the auxiliary heat dissipation ribs upward or incline upward when the heat dissipation ribs and the auxiliary heat dissipation ribs are installed, and a heat dissipation boss 33 is further arranged on one surface of the heat dissipation plate 30, which faces the aluminum substrate 21; the aluminum substrate 21 and the heat dissipation plate 30 are separated by the parting beads 12 arranged on the left side and the right side of the aluminum substrate 21 and the heat dissipation plate 30, a convection channel 13 is formed between the upper side and the lower side of the aluminum substrate 21 and the heat dissipation plate 30, the heat conduction boss 23 and the heat dissipation boss 33 clamp the thermoelectric generation sheet 40, the heat dissipation plate 30 is fixed with the aluminum substrate 21 by the fixing screw 14 screwed on the fixing boss 24 and keeps the heat conduction boss 23 and the heat dissipation boss 33 tightly attached to each other, and the outer contours of the heat conduction boss 23 and the heat dissipation boss 33 are larger than the thermoelectric generation sheet 40, so that the cold surface and the hot surface of the thermoelectric generation sheet 40 are in hundred percent contact; the battery pack further comprises a charge-discharge module 15 and a storage battery 16.
In the structure, the solar panel 22 is arranged on the aluminum substrate 21, heat is conducted to the heat conducting boss 23 by utilizing the heat conducting effect of the aluminum substrate 21, subsequent heat is transmitted to the thermoelectric generation piece 40 through the heat conducting boss 23 and is dissipated from the heat dissipation plate 30, so that the thermoelectric generation piece 40 forms current, the electric energy generated by the solar panel 22 is matched to charge the storage battery 16 through the charge-discharge module 15, and the electric energy is provided to the light-emitting indicator board body 10 for working through the charge-discharge module 15 when the light-emitting indicator board body 10 needs to work, so that solar energy and heat energy are effectively utilized, the power generation efficiency is improved, and the area of the photovoltaic panel 20 is greatly reduced under the same power; the length directions of the main heat dissipation ribs 31 and the auxiliary heat dissipation ribs 32 are upward or upward in an inclined manner when being installed, so that the hot air can quickly rise when the main heat dissipation ribs 31 and the auxiliary heat dissipation ribs 32 heat the ambient air, the heat dissipation effect is improved, particularly the auxiliary heat dissipation ribs 32 positioned between the aluminum substrate 21 and the heat dissipation plate 30 can quickly dissipate the hot air in the convection channel 13, the phenomenon that the heat transmission efficiency is reduced due to overheating of the aluminum substrate 21 and the heat dissipation plate 30 is avoided, the power generation efficiency of the thermoelectric generation sheet 40 is reduced or the thermoelectric generation sheet cannot generate power is avoided, the endurance is ensured by utilizing the dual power generation capacity, and the reliability of the light-emitting indicator board body 10 is improved.
In this embodiment, the heat conduction boss 23, the fixing boss 24, the thermoelectric generation piece 40 and the heat dissipation boss 33 are all a plurality of, the heat conduction boss 23, the heat dissipation boss 33 and the thermoelectric generation piece 40 are arranged in an equal number, and the thermoelectric generation pieces 40 are connected with each other in series and in parallel.
In the above structure, the single-chip power generation voltage of the thermoelectric power generation piece 40 is about 5V, and thus the series connection and the parallel connection are required to increase the current and the voltage, so as to ensure that the output of the electric quantity can be ensured when the temperature difference is small.
In this embodiment, the solar panel 22 and the aluminum substrate 21 are bonded by 704 a thermal conductive silicone (not shown).
In the above structure, the heat generated by the solar panel 22 when being irradiated by the sun is transferred to the aluminum substrate 21 through the 704 heat-conducting silica gel, so that the heat on the solar panel 22 can be rapidly conducted out, the solar panel 22 is prevented from being in a high-temperature state for a long time, and the service life of the solar panel 22 is ensured.
In this embodiment, the contact surface between the thermoelectric generation sheet 40 and the heat conduction boss 23 and the heat dissipation boss 33 is filled with heat conduction silicone grease (not shown).
In the above-mentioned structure, the cold side and the hot side of thermoelectric generation piece 40 need have good heat transfer just can normally work, consequently improves the heat transfer efficiency between the three through filling heat conduction silicone grease on the contact surface to guarantee that thermoelectric generation piece 40 can produce sufficient electric current.
In this embodiment, an anodic oxide layer (not shown) is disposed on the surfaces of the aluminum substrate 21, the heat dissipation plate 30, the main heat dissipation ribs 31 and the auxiliary heat dissipation ribs 32.
In the above structure, the anodized layer can prevent the aluminum substrate 21 and the heat dissipation plate 30 from being corroded by rain and acid mist in an open air environment.
In this embodiment, the anodized layer on the surface of the aluminum substrate 21 is black; the anodized layers on the surfaces of the heat dissipation plate 30, the main heat dissipation ribs 31 and the auxiliary heat dissipation ribs 32 are silver.
In the above structure, the black aluminum substrate 21 is favorable for absorbing solar heat, and the silver heat dissipation plate 30, the main heat dissipation ribs 31 and the auxiliary heat dissipation ribs 32 can reduce the absorption of solar heat, thereby avoiding or reducing the reduction of heat dissipation efficiency caused by unnecessary heat absorption of the heat dissipation plate 30 and the like.
In this embodiment, the height of the auxiliary heat dissipation rib 32 is smaller than the gap of the convection channel 13 between the aluminum substrate 21 and the heat dissipation plate 30.
In the above structure, the auxiliary heat dissipation ribs 32 can be prevented from contacting the aluminum substrate 21, and partial heat generated by the aluminum substrate 21 directly contacting the heat dissipation plate 30 can be prevented from being transferred to the heat dissipation plate 30 without passing through the thermoelectric generation sheet 40.
In this embodiment, the heat insulating sheet 25 is an aluminum foil bubble heat insulating material.
In the above structure, the scorching effect of the aluminum substrate 21 on the heat dissipation plate 30 after absorbing heat is reduced, and the heat dissipation effect of the back surface of the aluminum substrate 21 is reduced, so that the heat can be more intensively transferred through the heat conduction boss 23.
In this embodiment, the surface of the solar panel 22 is provided with a water repellent film 221.
In the above structure, the water repellent film 221 is made of plastic electronics ltd, dawan, suzhou, and has an actual light transmittance of 93%, so that the adhesion of rainwater and sludge to the solar panel 22 can be reduced, the long-term power generation efficiency can be ensured, and the number of times of maintenance and scrubbing can be reduced.
In this embodiment, a support frame mounting platform 34 is further disposed on the side of the heat dissipation plate 30 where the auxiliary heat dissipation ribs 32 are disposed, and the fixing screws 14 pass through the support frame 35 and then pass through the support frame mounting platform 34 to be screwed with the fixing bosses 24.
In the above configuration, the support frame mounting base 34 abuts against the support frame 35 after the fixing screw 14 is screwed, and the support frame 35 is used for fixing.
The invention has the beneficial effects that: the solar panel 22 is arranged on the aluminum substrate 21, heat is conducted to the heat conduction boss 23 by utilizing the heat conduction effect of the aluminum substrate 21, subsequent heat is transmitted to the thermoelectric generation piece 40 through the heat conduction boss 23 and is dissipated from the heat dissipation plate 30, the thermoelectric generation piece 40 forms current, the storage battery 16 is charged through the charge and discharge module 15 by matching with electric energy generated by the solar panel 22, the electric energy is provided for the light-emitting indicator board body 10 to work through the charge and discharge module 15 when the light-emitting indicator board body 10 needs to work, solar energy and heat energy are effectively utilized, the power generation efficiency is improved, and the area of the photovoltaic panel 20 is greatly reduced under the same power; the length directions of the main heat dissipation ribs 31 and the auxiliary heat dissipation ribs 32 are upward or upward in an inclined manner when being installed, so that the hot air can quickly rise when the main heat dissipation ribs 31 and the auxiliary heat dissipation ribs 32 heat the ambient air, the heat dissipation effect is improved, particularly the auxiliary heat dissipation ribs 32 positioned between the aluminum substrate 21 and the heat dissipation plate 30 can quickly dissipate the hot air in the convection channel 13, the phenomenon that the heat transmission efficiency is reduced due to overheating of the aluminum substrate 21 and the heat dissipation plate 30 is avoided, the power generation efficiency of the thermoelectric generation sheet 40 is reduced or the thermoelectric generation sheet cannot generate power is avoided, the endurance is ensured by utilizing the dual power generation capacity, and the reliability of the light-emitting indicator board body 10 is improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and those modifications and variations assumed in the above are also considered to be within the protective scope of the present invention.
Claims (10)
1. The utility model provides a new forms of energy sign, includes luminous sign body and photovoltaic board, luminous sign body and photovoltaic board are components of a whole that can function independently setting, its characterized in that: the photovoltaic panel comprises an aluminum substrate, a solar panel is arranged on the front surface of the aluminum substrate, a heat conduction boss and a fixed boss are arranged on the back surface of the aluminum substrate, and heat insulation sheets are paved on the surface of the back surface of the aluminum substrate except the heat conduction boss and the fixed boss; the aluminum base plate is characterized by further comprising an aluminum heat dissipation plate, wherein a plurality of main heat dissipation ribs which are arranged at intervals are arranged on one surface of the heat dissipation plate, which is back to the aluminum base plate, a plurality of auxiliary heat dissipation ribs which are arranged at intervals are arranged on one surface of the heat dissipation plate, which faces the aluminum base plate, the main heat dissipation ribs and the auxiliary heat dissipation ribs are in the same direction in length direction, and keep the length direction of the main heat dissipation ribs and the length direction of the auxiliary heat dissipation ribs upward or incline upward when the aluminum base plate is installed, and a heat dissipation boss is further arranged on one surface of the heat dissipation plate, which faces the aluminum base plate; the aluminum substrate and the heat dissipation plate are separated by partition bars arranged on the left side and the right side of the aluminum substrate and the heat dissipation plate, so that a convection channel is formed between the upper side and the lower side of the aluminum substrate and the heat dissipation plate, a temperature difference power generation sheet is clamped between the heat conduction boss and the heat dissipation boss, and the heat dissipation plate is fixed with the aluminum substrate through a fixing screw screwed on the fixing boss and keeps the heat conduction boss and the heat dissipation boss to be tightly attached to each other; the battery pack also comprises a charge-discharge module and a storage battery.
2. A new energy sign according to claim 1, wherein: the heat conduction boss, the fixed boss, the thermoelectric generation piece and the heat dissipation boss are a plurality of, the heat conduction boss, the heat dissipation boss and the thermoelectric generation piece are arranged in an equal number, and the thermoelectric generation pieces are connected with each other in a series connection and parallel connection mode.
3. A new energy sign according to claim 1, wherein: and the solar panel is bonded with the aluminum substrate through 704 heat-conducting silica gel.
4. A new energy sign according to claim 1, wherein: and heat-conducting silicone grease is filled on the contact surfaces between the thermoelectric generation sheet and the heat-conducting boss and between the thermoelectric generation sheet and the heat-radiating boss.
5. A new energy sign according to claim 1, wherein: and anodic oxide layers are arranged on the surfaces of the aluminum substrate and the heat dissipation plate.
6. A new energy sign according to claim 5, wherein: the anodic oxidation layer on the surface of the aluminum substrate is black; the anodic oxidation layer on the surface of the radiating plate is silver.
7. A new energy sign according to claim 1, wherein: the height of the auxiliary heat dissipation ribs is smaller than the convection channel gap between the aluminum substrate and the heat dissipation plate.
8. A new energy sign according to claim 1, wherein: the heat insulation sheet is an aluminum foil bubble heat insulation material.
9. A new energy sign according to claim 1, wherein: and the surface of the solar panel is provided with a water repellent film.
10. A new energy sign according to claim 1, wherein: the one side that the heating panel was equipped with and assists the heat dissipation rib still is equipped with the support frame mount table, set screw passes the support frame mount table after passing the support frame and closes with fixed boss soon.
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| CN201910241246.0A CN109981049B (en) | 2019-03-28 | 2019-03-28 | New forms of energy sign |
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| CN201910241246.0A CN109981049B (en) | 2019-03-28 | 2019-03-28 | New forms of energy sign |
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| CN1960118A (en) * | 2006-11-22 | 2007-05-09 | 中国科学院电工研究所 | Power generation system of hybrid energy sources based on photovoltaic effect, and thermoelectric effect of solar energy |
| CN102315308A (en) * | 2011-09-20 | 2012-01-11 | 优太太阳能科技（上海）有限公司 | Solar photovoltaic assembly for improving heat radiation by strengthening disturbance of heat transferring medium |
| CN203522582U (en) * | 2013-11-15 | 2014-04-02 | 广东工业大学 | Medium phase change energy storage thermoelectric generation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7851697B2 (en) * | 2005-03-22 | 2010-12-14 | Agency For Science, Technology And Research | Thin film photovoltaic device |
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| CN1960118A (en) * | 2006-11-22 | 2007-05-09 | 中国科学院电工研究所 | Power generation system of hybrid energy sources based on photovoltaic effect, and thermoelectric effect of solar energy |
| CN102315308A (en) * | 2011-09-20 | 2012-01-11 | 优太太阳能科技（上海）有限公司 | Solar photovoltaic assembly for improving heat radiation by strengthening disturbance of heat transferring medium |
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