AU2020442134B2 - New material solar thermal collector - Google Patents

New material solar thermal collector Download PDF

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Publication number
AU2020442134B2
AU2020442134B2 AU2020442134A AU2020442134A AU2020442134B2 AU 2020442134 B2 AU2020442134 B2 AU 2020442134B2 AU 2020442134 A AU2020442134 A AU 2020442134A AU 2020442134 A AU2020442134 A AU 2020442134A AU 2020442134 B2 AU2020442134 B2 AU 2020442134B2
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Australia
Prior art keywords
mounting passage
frame
clamping
cavity
new material
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AU2020442134A1 (en
Inventor
Haijiao HU
Zefeng HU
Meiqiang YUAN
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Neimenggu Runtai New Energy Technology Co Ltd
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Neimenggu Runtai New Energy Technology Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00Solar heat collectors using working fluids
    • F24S10/50Solar heat collectors using working fluids the working fluids being conveyed between plates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S40/00Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
    • F24S40/40Preventing corrosion; Protecting against dirt or contamination
    • F24S40/48Deaerating or degassing the working fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S70/00Details of absorbing elements
    • F24S70/10Details of absorbing elements characterised by the absorbing material
    • F24S70/12Details of absorbing elements characterised by the absorbing material made of metallic material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/60Thermal insulation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Gases (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Abstract

A new material solar thermal collector, comprising a glass plate (100), a thermal collection plate (200), a moisture absorption layer (300), a thermal insulation layer (400), a bottom plate (500), a replaceable ventilation device (600), and an assembly frame (700). A first mounting passage (710) allowing for insertion of the replaceable ventilation device (600) is formed on the assembly frame (700), the first mounting passage (710) is communicated with a thermal collection cavity (110), a seat (720) is arranged on the outer side of the assembly frame (700), and an elastic clamping member (800) is arranged in the seat (720); the replaceable ventilation device (600) comprises a shell (610), a waterproof breathable film (620), moisture absorption fibers (630), and a protective cover (640).

Description

NEW MATERIAL SOLAR THERMAL COLLECTOR TECHNICAL FIELD
[0001] The disclosure relates to the field of energy utilization, particularly to anew material
solar thermal collector.
BACKGROUD OF THE PRESENT INVENTION
[0002] With the development of economy and the progress of society, use of clean energy has
become an important link for today's social development and progress, and utilization of energy
is mainly utilization of solar energy.
[0003] A solar flat plate collector, as one of solar water heaters, has attracted more and more
attentions due to its reliable operation and easy combination with buildings.
[0004] The most common representation of the flat plate collector is water mist which is
formed by a fact that water evaporates when being heated and condenses into diffuse drops
when being cooled, and mainly comes from residual moisture, infiltrated moisture and damp
returning moisture. Some of these phenomena are caused by external factors and can only work
through internal reasons. The main internal reason is that a collector cavity has poor airtightness,
which results in the infiltration and damp returning of external moisture and dust. The invasion
of environmental factors can directly or indirectly cause secondary hazards through water.
[0005] Furthermore, in the solar flat plate collector, the thermal collection plate is a core
component whose performance directly affects the size of a thermal efficiency factor. There are
many manufacturers of solar heat absorbing plate cores at home and abroad, most of the
designed flat plate collectors adopt an all aluminum heat absorbing plate core, an all copper heat
absorbing plate core or a copper-aluminum composite heat absorbing plate core. Due to their
own materials, the above types of plate cores are easily oxidized, and have undesirable thermal
conductivity and fatigue resistance at high temperatures.
[0006] In summary, the solar flat plate collector in the prior art has the main problems: 1. due
to the objective factors of airtightness, moisture and dust easily enter the collector so as to affect
the heat collecting property; 2. the material of the collector sheet has the problems of easy
oxidation, poor thermal conductivity and poor fatigue resistance at high temperatures.
SUMMARY OF PRESENT INVENTION
[0007] The objective of the disclosure is to provide a new material solar thermal collector and a sheet set in order to solve the above technical problems.
[0008] In order to achieve the above objective, the technical solution of the disclosure is
achieved as follows:
[0009] The disclosure provides a new material solar thermal collector, comprising a glass plate,
a thermal collection plate, a moisture adsorption layer, a thermal insulation layer, a base plate, a
replaceable ventilation device and an assembly frame;
[0010] wherein, the glass plate, the thermal collection plate, the moisture adsorption layer, the
thermal insulation layer and the base plate are successively embedded into the assembly frame
from top to bottom;
[0011] a collector cavity is formed among the glass plate, the thermal collection plate and the
assembly frame;
[0012] the assembly frame is provided with a first mounting passage for inserting the
replaceable ventilation device, the first mounting passage is communicated with the collector
cavity, the inner wall of the first mounting passage is provided with a first annular bulge, the
first annular bulge is located at one side of the first mounting passage close to the collector
cavity;
[0013] the outer side of the assembly frame is provided with a seat, and the seat is internally
provided with a second mounting passage communicated with the first mounting passage; the
upper and lower sides of the seat are respectively provided with an installation groove
penetrating through the second mounting passage, and the installation groove is internally
provided with an elastic clamping member;
[0014] the replaceable ventilation device includes a shell, a waterproof breathable film, a
moisture absorption fiber and a protective cover; the shell can be inserted into the first mounting
passage and the second mounting passage, the elastic clamping member is in contact with the
outer wall of the shell, so that the shell is fixed in the installation groove, a cavity is arranged
inside the shell along the length direction in a penetrating mode, the inner wall of the cavity is
provided with a second annular bulge and a third annular bulge which are respectively arranged
near the two ports of the cavity, the moisture absorption fiber is filled in the cavity and gathered
near the second annular bulge, and the waterproof breathable film is arranged in the cavity and
abutted against the third annular bulge;
[0015] the protective cover includes an outer cylinder and a connection cylinder which are connected, and a part of the connection cylinder is inserted into the cavity and abutted against the waterproof breathable film; the cylinder wall of the externally exposed part of the connection cylinder is provided with a vent hole;
[0016] the thermal collection plate comprises the following components in percentage by weight: 10%-15% of copper, 1%-2.5% of silver, 2%-3.2% of beryllium, 0.01%-0.1% of nickel, 2%-3% of manganese silicide, 3% of rare earth elements and the balance of aluminum, and the rare earth elements include lanthanum, cerium, ytterbium, neodymium and terbium.
[0017] Further, the outer margin of the outer cylinder is provided with a bent edge, the bent edge surrounds the periphery of the seat, a forth annular bulge is arranged at a position of the seat right opposite to the bent edge, and the fourth annular bulge together with the bent edge forms an air flue.
[0018] Further, the elastic clamping member includes a drive rod, a clamping member and a spring, wherein the spring is penetrated on the drive rod, the clamping member is fixed at the end of the drive rod, the installation groove includes a first groove body and a second groove body which are arranged from outer to inner, the diameter of the first groove body is smaller than that of the second groove body, the drive rod is penetrated in the first groove body and the second groove body, and the two ends of the spring are respectively abutted against the groove bottom of the second groove body and the clamping member.
[0019] Further, the outer wall of the shell is provided with a clamping groove for accommodating the clamping member.
[0020] Further, when the replaceable ventilation device is inserted into the first mounting passage and the second mounting passage, the clamping member is inserted in the clamping groove, at this moment, the spring is in a compressed state;
[0021] when the replaceable ventilation device is pulled out to the first mounting passage and the second mounting passage, two of the clamping members are butted in the second mounting passage for closing the second mounting passage, at this moment, the spring is in a released state.
[0022] Further, the end of one of the two clamping members is provided with an insertion strip, and the end of the other clamping member is provided with an insertion groove for accommodating the insertion strip.
[0023] Further, the replaceable ventilation device further includes a filter screen, the filter screen is fixed near the port of the second annular bulge, and the filter screen adopts a metal filter screen.
[0024] Further, the assembly frame includes an outer frame, a first clamping frame, a second
clamping frame and a strip-shaped thermal insulator; the first clamping frame is set as an L
shape, one end of the first clamping frame is fixed on the inner wall of the outer frame, the
second clamping frame is connected with the top of the outer frame, one end of the second
clamping frame is bent toward the inner side of the outer frame, the glass plate is clamped
between the first clamping frame and the second clamping frame, a gap between the first
clamping frame and the glass plate is filled with the strip-shaped thermal insulator, and a
polymer glue is filled between the second clamping frame and the glass plate.
[0025] Further, also included is an outer protection device, wherein the outer protection device
is arranged at one side of the assembly frame, the outer protection device includes a support
shell, a reel and a protective curtain made of a flexible material, the protective curtain is wound
on the reel, and one side of the support shell is provided with a strip-shaped channel for the
protective curtain to enter and exit;
[0026] the protective curtain can cover the glass plate in the extended state;
[0027] the protective curtain is folded in the support shell in the winding state.
[0028] Further, the other side of the assembly frame is provided with a latch, and the end of
the protective curtain is provided with a spring bolt detachably connected with the latch.
[0029] Compared with the prior art, the new material solar thermal collector provided by the
embodiments of the disclosure has the advantages that:
[0030] 1. the assembly frame is provided with the first mounting passage for inserting the
replaceable ventilation device, the first mounting passage is communicated with the collector
cavity, the inner wall of the first mounting passage is provided with the first annular bulge, the
outer side of the assembly frame is provided with the seat, and the seat is internally provided
with the second mounting passage communicated with the first mounting passage; the upper
and lower sides of the seat are respectively provided with the installation groove penetrating
through the second mounting passage, and the installation groove is internally provided with the
elastic clamping member;
[0031] the replaceable ventilation device includes the shell, the waterproof breathable film, the
moisture absorption fiber and the protective cover; the shell can be inserted into the first mounting passage and the second mounting passage, the elastic clamping member is in contact with the outer wall of the shell so that the shell is fixed in the installation groove, and meanwhile, the shell together with the elastic clamping member plays the role in sealing the second mounting passage, preventing external dust or moisture from entering the heat collecting cavity, the cavity is arranged inside the shell along the length direction in a penetrating mode, the inner wall of the cavity is provided with the second annular bulge and the third annular bulge, the second annular bulge and the third annular bulge are respectively arranged at position close to two ports of the cavity, and the moisture absorption fiber is filled in the cavity and gathered near the second annular bulge, and the moisture absorption fiber functions in absorbing the water vapor in the heat collecting cavity; the waterproof breathable film is arranged in the cavity and abutted against the third annular bulge, the waterproof breathable film is a one-way breathable membrane which is used to discharge the water vapor in the heat collecting cavity and prevent external dust and water vapor from entering the heat collecting cavity, and can balance the heat collecting cavity with an external pressure, so as to avoid that the inside of the heat collecting cavity is heated to oppress the thermal collection plate and the glass to be deformed under a high pressure;
[0032] the protective cover includes the outer cylinder and the connection cylinder, a part of
the connection cylinder is inserted into the cavity and abutted against the waterproof breathable
film to facilitate disassembling, the cylinder wall of the exposed part of the connection cylinder
is provided with the vent hole which is used for discharging the heated air in the collector
cavity;
[0033] the above closed collector adopts a combined structure consisting of the first mounting
passage, the replaceable ventilation device and the elastic clamping member, can balance
positive and negative pressures generated during the operation of the collector cavity, and
simultaneously forms a channel for breathing, and the replaceable ventilation device together
with the elastic clamping member can play the roles in preventing dust and water, eliminating
moisture, resisting damp and automatically balancing the controllable breathing under the
internal and external pressures, thus improving the thermal property stability, reliability,
durability and service life.
[0034] 2. The thermal collection plate includes the following components in percentage by
weight:10%-15% of copper, 1%-2.5% of silver, 2%-3.2% of beryllium, 0.01%-0.1% of nickel,
2%-3% of manganese silicide, 3% of rare earth elements and the balance of aluminum, and the rare earth elements include lanthanum, cerium, ytterbium, neodymium and terbium, wherein the silver ion can take the effect of strengthening aluminum and copper matrixes, i.e., improving the strength and hardness of the matrix; beryllium is an effective deoxidizer for copper, which improves the high temperature oxidation resistance of copper; nickel can significantly improve the strength, hardness, thermal stability and corrosion resistance of the aluminum and copper matrixes; manganese silicide is used to improve the mechanical properties and corrosion resistance of the aluminum and copper matrixes; by adding rare earth elements such as lanthanum, cerium, ytterbium, neodymium and terbium, the melted aluminum copper metal materials can better realize the process of degassing, deoxidizing and impurity removal, thereby ensuring the consistency of the solidification direction of molten metal and improving the metal performance of the material; the rare earth aluminum copper alloy can maintain high strength and stability while improving the thermal conductivity, thereby playing role in promoting the energy transfer.
DESCRIPTION OF THE DRAWINGS
[0035] To more clearly illustrate the specific embodiments of the disclosure or technical solution in the prior art, drawings required to be used in specific embodiments or description in the prior art below, obviously, the drawings in the following description are some embodiments of the disclosure, and other drawings can also be made by persons of ordinary skill in the prior art without creative efforts according to these drawings.
[0036] Fig.1 is an appearance diagram of anew material solar thermal collector provided by the embodiments of the disclosure;
[0037] Fig.2 is a diagram of an internal structure of a new material solar thermal collector provided by the embodiments of the disclosure;
[0038] Fig.3 is an assembling diagram of a seat and a replaceable ventilation device;
[0039] Fig.4 is a structural diagram of a seat;
[0040] Fig.5 is a structural diagram of an elastic clamping member in a seat in the released state;
[0041] Fig.6 is a structural diagram of a replaceable ventilation device;
[0042] Fig.7 is a structural diagram of a protective cover;
[0043] Fig.8 is a structural diagram of an outer protection device.
[0044] Reference number: 100-glass plate; 110-collector cavity; 200-thermal collection plate;
300-moisture adsorption layer; 400-thermal insulation layer; 500-bottom plate; 600-replaceable
ventilation device; 610-shell; 611-cavity; 612-second annular bulge; 613-third annular bulge;
614-clamping groove; 620-waterproof breathable film; 630-moisture absorption fiber;
640-protective cover; 641-outer cylinder; 642-connection cylinder; 643-vent hole; 644-bent edge;
650-filter screen; 700-assembly frame; 710-first mounting passage; 711-first mounting passage;
720-seat; 721-second mounting passage; 722-installation groove; 723-first groove body;
724-second groove body; 725-fourth annular bulge; 730-outer frame; 740-first clamping frame;
750-second clamping frame; 760-strip-shaped thermal insulator; 800-elastic clamping member;
810-drive rod; 820-clamping member; 821-insertion strip; 830-spring; 900-outer protection
device; 910-support shell; 920-reel; 930-protective curtain; 940-latch.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS
[0045] Next, the technical solution of the disclosure will be clearly and completely described
in combination with drawings, obviously, the described embodiments are some embodiments of
the present embodiments but not all the embodiments. Based on the embodiments of the
disclosure, other embodiments made by persons of ordinary skill in the art without creative
efforts are all included within the protective scope of the disclosure.
[0046] As shown in Fig.1 and Fig.2, the disclosure provides a new material solar thermal
collector, including a glass plate 100, a thermal collection plate 200, a moisture adsorption layer
300, a thermal insulation layer 400, a base plate 500, a replaceable ventilation device 600 and an
assembly frame 700;
[0047] the glass plate 100, the thermal collection plate 200, the moisture adsorption layer 300,
the thermal insulation layer 400 and the base plate 500 are successively embedded into the
assembly frame 700 from top to bottom;
[0048] a closed collector cavity 110 is formed among the glass plate 100, the thermal
collection plate 200 and the assembly frame 700;
[0049] the moisture adsorption layer 300 plays the waterproof and damp-proof roles to protect
the thermal collection plate 200 from being affected by external harmful factors;
[0050] the thermal insulation layer 400 plays the role of thermal insulation to provides a good energy exchange environment for a medium in the thermal collection plate 200.
[0051] The assembly frame 700 is provided with a first mounting passage 710 for inserting the replaceable ventilation device 600, the first mounting passage 710 is connected with the heat collecting cavity 110, the water vapor in the heat collecting cavity 110 enters the replaceable ventilation device 600 through the first mounting passage 710 and then is discharged by the replaceable ventilation device 600, the inner wall of the first mounting passage 710 is provided with a first mounting passage 711, the first mounting passage 711 is located at one side of the first mounting passage 710 close to the collector cavity 110, the first mounting passage 711 acts as limiting the replaceable ventilation device 600 so as to facilitate the one-step assembling in place of the replaceable ventilation device 600 and the first mounting passage 710.
[0052] As shown in Figs. 3, 4 and 5, the outer side of the assembly frame 700 is provided with a seat 720, and the seat 720 is internally provided with a second mounting passage 721 connected with the first mounting passage 710; the size of the second mounting passage 721 fits to that of the first mounting passage 710, the second mounting passage 721 together with the first mounting passage 710 plays the role in accommodating the replaceable ventilation device 600;
[0053] in addition, the upper and lower sides of the seat 720 are respectively provided with an installation groove 722 penetrating through the second mounting passage 721. When in specific arrangement, the installation groove 722 penetrates through the second mounting passage 721 along a direction perpendicular to the axis direction of the second mounting passage 721, and an elastic clamping member 800 is arranged in the installation groove 722; the function of the elastic clamping member 800 is to contact with the outer wall of the replaceable ventilation device 600, and then block a gap between the second mounting passage 721 and the outer wall of the replaceable ventilation device 600 so as to improve the sealing performance between the second mounting passage 721 and the outer wall of the replaceable ventilation device 600 and prevent external dust and water vapor from entering the heat collecting cavity 110.
[0054] As shown in Figs. 3 to 7, the replaceable ventilation device 600 includes a shell 610, a waterproof breathable film 620, a moisture absorption fiber 630, and a protective cover 640; the shape of the shell 610 fits to the shapes of the first mounting channel 710 and the second mounting channel 721, for example, all the cross sections of the above three components can be set as circular, rectangular, square and other shapes.
[0055] The shell 610 can be inserted into the first mounting passage 710 and the second mounting passage 721, the elastic clamping member 800 contacts with the outer wall of the shell 610 so that the shell 610 is fixed in the installation groove 722 and meanwhile the gap between the second mounting passage 721 and the outer wall of the replaceable ventilation device 600 is blocked, the sealing performance between the second mounting passage 721 and the outer wall of the replaceable ventilation device 600 is improved, and external dust and water vapor are prevented from entering the heat collecting cavity 110;
[0056] a cavity 611 is arranged inside the shell 610 along the length direction in a penetrating mode, the inner wall of the cavity 611 is provided with a second annular bulge 612 and a third annular bulge 613, the second annular bulge 612 and the third annular bulge 613 are respectively arranged at positions close to the two ports of the cavity 611, the moisture absorption fiber 630 is filled in the cavity 611 and gathered near the second annular bulge 612, the second annular bulge 612 plays a role in positioning the moisture absorption fiber 630 on the one hand and on the other hand, when there is more water accumulated in the moisture absorption fiber 630, the moisture absorption fiber 630 can play a role in obstructing water from the cavity 611 to the collector cavity 110, and the above moisture absorption fiber 630 preferably adopts a bamboo fiber with moisture absorbing and quick-drying functions;
[0057] the waterproof breathable film 620 is arranged in the cavity 611 and abutted against the third annular bulge 613;
[0058] as shown in Figs. 6 and 7, the protective cover 640 includes an outer cylinder 641 and a connection cylinder 642 which are connected, a part of the connection cylinder 642 is inserted into the cavity 611 and abutted against the waterproof breathable film 620, the waterproof breathable film 620 is positioned through the combined action of the cylinder wall of the connection cylinder 642 and the third annular protrusion 613, the cylinder wall of the exposed part of the connection cylinder 642 is provided with a vent hole 643, and the cavity 611 is communicated with external through the vent hole 643.
[0059] The waterproof breathable film 620 preferably adopts a microporous film made of polytetrafluoroethylene. The waterproof breathable film 620 can allow water vapor molecules to penetrate and meanwhile block liquid water droplets to penetrate; when the temperature inside the collector cavity 110 rises, the pressure inside the collector cavity 110 also rises, and the formed water vapor can be discharged to the external through the waterproof breathable film
620; when a temperature difference between the collector cavity 110 and the external is not large, for example a long rainy day in the south, a part of the water vapor outside may be absorbed by the waterproof breathable film 620 to enter the cavity 611, and the water vapor may also enter the collector cavity 110, at this moment, the moisture absorption fiber 630 can be used to absorb a small amount of water vapor from the external or the inside of the collector cavity 110 so that the external water vapor does not directly enter the heat collecting cavity 110 or absorbs a small amount of water vapor in the heat collecting cavity 110; when the weather improves, the temperature in the collector cavity 110 continues to rise, and the moisture absorbed by the moisture absorption fiber 630 is directly evaporated and discharged through the waterproof breathable film 620, so as to achieve the purpose of eliminating humidity.
[0060] Preferably, the replaceable ventilation device 600 also includes a filter screen 650, the filter screen 650 is fixed near the port of the second annular protrusion 612, the filter screen 650 uses a metal filter screen 650, when in use, the filter screen 650 can absorb a certain amount of dust in the air, thereby enhancing the dust absorption performance of the replaceable ventilation device 600.
[0061] It should be noted that due to long-term use, when dusts are accumulated on the waterproof breathable film 620 to form blockage, or a large amount of moisture is gathered in the moisture absorption fiber 630 to possibly enter the collector cavity 110, the waterproof breathable film 620 and the moisture absorption fiber 630 need to be changed, at this moment, the replaceable ventilation device 600 is entirely pulled out of the first mounting passage 710 and the second mounting passage 721 by releasing the elastic clamping member 800, and then re-inserted into the first mounting passage 710 and the second mounting passage 721 after the waterproof breathable film 620 and moisture absorption fiber 630 in the replaceable ventilation device 600 are replaced, so as to be used.
[0062] However, due to some objective factors, a user has no spare replaceable ventilation device 600, or for some small towns and rural users, it spends long time in purchasing the spare replaceable ventilation device 600 or the waterproof breathable film 620 and moisture absorption fiber 630. But, after the replaceable ventilation device 600 is taken away, the first mounting passage 710 and the second mounting passage 721 are directly communicated with the external, the external water vapor and dust can directly enter the collector cavity 110 so as to affect the heat collection performance and service life of the solar collector. Therefore, in the technical proposal of this application, the elastic clamping member 800 is specially designed.
[0063] As shown in Figs. 3 and 5, it is preferable that the elastic clamping member 800 in this
application includes a drive rod 810, a clamping member 820 and a spring 830, wherein the
spring 830 is penetrated on the drive rod 810, the clamping member 820 is fixed at the end of
the drive rod 810, and the installation groove 722 formed in the seat 720 includes a first groove
body 723 and a second groove body 724 from outer to inner, wherein the diameter of the first
groove 723 is smaller than that of the second groove 724, the drive rod 810 is penetrated in the
first groove body 723 and the second body 724, and both ends of the spring 830 are respectively
abutted against the groove bottom of the second groove 724 and the clamping member 820.
When the spring 830 is under the pressure or in the released state, the clamping member 820
can move in the second groove body 724 and the first mounting passage 710.
[0064] In addition, the outer wall of the shell 610 is provided with a clamping groove 614, and
the size of the clamping groove 614 fits to that of the clamping member 820 and used for
accommodating the clamping member 820. When the clamping members 820 are inserted into
the first mounting passage 710 and the second mounting passage 721, the clamping member
820 can be inserted in the clamping groove 614 to fix the shell 610, and meanwhile block the
first mounting passage 710, at this moment, the spring 830 is in the compressed state;
[0065] when the replaceable ventilation device 600 is pulled out into the first mounting
passage 710 and the second mounting passage 721, because the spring 830 is in the released
state, two clamping members 820 are butted in the second mounting passage 721 under the
driving force of the spring 830, thus playing the role in sealing the second mounting passage
721.
[0066] As shown in Fig. 5, it is preferred that in order to improve the sealing performance of
the two clamping members 820 to the second mounting passage 721, the end of one of the two
clamping members 820 is provided with an insertion strip 821, and the end of the other
clamping member is provided with an insertion groove for accommodating the insertion strip,
and then when the two clamping members 820 are butted, the insertion strip 821 is inserted into
the insertion groove to increase the sealing effect of the second mounting passage 721.
[0067] Since the elastic clamping member 800 with the above structure is adopted, even if the
user has no spare replaceable ventilation device 600, or it takes a long time to purchase the
spare replaceable ventilation device, when the replaceable ventilation device 600 is taken out, the clamping members 820 in the elastic clamping member 800 can be automatically butted, and then the second mounting passage 721 is sealed, thereby preventing external moisture or dust from entering the collector cavity 110, and effectively guaranteeing the use performance of the solar collector.
[0068] Preferably, in order to further improve the blocking effect of the solar collector on the
external dust, as shown in Figs. 6 and 7, in the technical solution of this application, the outer
margin of the outer cylinder 641 is provided with a bent edge 644, the bent edge 644 surrounds
the periphery of the seat 720, a fourth annular bulge 725 is arranged on a position of the seat
720 right opposite to the bent edge 644, the fourth annular bulge 725 together with the bent
edge 644 forms an air flue, and the fourth annular bulge 725 is made of an elastic material such
as a rubber ring, when the external air enters the air flue, a part of the dust can be blocked due to
the blockage effect of the fourth annular bulge 725.
[0069] Preferably, the inner wall of the outer cylinder 641 is set as a concave arc shape.
Through the concave arc-shaped inner wall, the air can be guided, so that the air can be
smoothly discharged from the air flue, and it is avoided that the turbulence between the outer
cylinder and the seat is formed to cause poor exhausting.
[0070] In addition, some fibers having certain adsorption properties can be filled in the air flue
to filter the air.
[0071] In the technical scheme of this application, the thermal collection plate 200 includes the
following components in percentage by weight: 10%-15% of copper, 1%-2.5% of silver,
2%-3.2% of beryllium, 0.01%-0.1% of nickel, 2%-3% of manganese silicide, 3% of rare earth
elements and the balance of aluminum, and the rare earth elements includes lanthanum, cerium,
ytterbium, neodymium, and terbium.
[0072] Where, the silver ion can play a role in strengthening aluminum and copper matrixes,
thereby improving the strength and hardness of the matrix; beryllium is an effective deoxidizer
for copper, which improves the high-temperature oxidation resistance of copper; nickel can
significantly improve the strength, hardness, thermal stability and corrosion resistance of
aluminum and copper matrixes; manganese silicide is used to improve the mechanical
properties and corrosion resistance of aluminum and copper matrixes; by adding rare earth
elements such as lanthanum, cerium, ytterbium, neodymium and terbium, the melted aluminum
copper metal materials can better realize the process of degassing, deoxidizing and impurity removal, thereby ensuring the consistency of the solidification direction of molten metal and improving the metal performance of the material; the rare earth aluminum copper alloy can maintain high strength and stability while improving the thermal conductivity, thereby playing role in promoting the energy transfer.
[0073] Preferably, as shown in Fig. 2, the assembly frame 700 includes an outer frame 730, a first clamping frame 740, a second clamping frame 750 and a strip-shaped thermal insulator 760;
[0074] the first clamping frame 740 is set as an L-shaped, one end of the first clamping frame 740 is fixed on the inner wall of the outer frame 730 and close to the top of the outer frame 730, the first clamping frame 740 functions in supporting the glass plate 100; the second clamping frame 750 is connected with the top of the outer frame 730, one end of the second clamping frame 750 is bent towards the inner side of the outer frame 730, the glass plate 100 is clamped between the first clamping frame 740 and the second clamping frame 750, the gap between the first clamping frame 740 and the glass plate 100 is filled with the strip-shaped thermal insulator 760, the strip-shaped thermal insulator 760 on the one hand plays the role in thermal insulation and on the other hand takes the effect of blocking external water vapor and dust, so as to guarantee the airtightness of the collector cavity 110, a polymer blue is filled between the second clamping frame 750 and the glass plate 100 to seal the gap between the second clamping frame 750 and the glass plate 100.
[0075] In addition, considering that when it is used in winter, snow blocks are accumulated on the glass plate 100 in snowy weather to easily form frost so as to cause that it is difficult for the user to clean, or in other seasons, rain or hail weather occurs, dusts attached to rainwater can be accumulated on the glass plate 100, and hail can damage the glass plate 100.
[0076] As shown in Fig. 1 and Fig. 8, in this example, also provided is an external protection device 900 which is arranged on one side of the assembly frame 700. The external protection device 900 includes a support shell 910, a reel 920, and a protective curtain 930 made of a flexible material; the inside of the support shell 910 is hollow, the reel 920 is located in the support shell 910, both ends of the reel 920 can be rotatably installed on the support shell 910, the protective curtain 930 is wound on the reel 920, and one side of the support shell 910 is provided with a strip-shaped channel for the protective curtain 930 to enter and exit;
[0077] when in use, the reel 920 is rotated, the protective curtain 930 can cover the glass plate
100 in the extended state, so as to protect the glass plate 100 in rain, snow, hail and other
weathers;
[0078] the protective curtain 930 is folded in the support shell 910 in the winding state, so as
not to interfere with the lighting of the glass plate 100.
[0079] Preferably, the other side of the assembly frame 700 is provided with a latch 940, and
the end of the protective curtain 930 is provided with a spring bolt detachably connected with
the latch 940. When the protective curtain 930 is in the extended state, the latch 940 is
connected with the spring bolt, and the external wind does not shift the protective curtain 930,
and then make the protective curtain 930 fully protect the glass plate 100.
[0080] Finally, it should be noted that the above embodiments are only intended to illustrate
the technical solution of the disclosure but not limiting the embodiments; although the
disclosure has been described in detail with reference to the above-mentioned embodiments,
persons of ordinary skill in the art should understand that technical solutions described in the
above embodiments can also be modified, or equivalent replacements are made to a part or all
of the technical features; these modifications or replacements do not make the natures of the
corresponding technical solutions deviate from the scope of the technical solutions of the
embodiments of the disclosure.

Claims (10)

We claim:
1. A new material solar thermal collector, comprising a glass plate, a thermal collection
plate, a moisture adsorption layer, a thermal insulation layer, a base plate, a replaceable
ventilation device and an assembly frame;
wherein the glass plate, the thermal collection plate, the moisture adsorption layer, the
thermal insulation layer and the base plate are successively embedded into the assembly frame
from top to bottom;
a collector cavity is formed among the glass plate, the thermal collection plate and the
assembly frame;
the assembly frame is provided with a first mounting passage for inserting the replaceable
ventilation device, the first mounting passage is communicated with the collector cavity, the
inner wall of the first mounting passage is provided with a first annular bulge, the first annular
bulge is located at one side of the first mounting passage close to the collector cavity;
the outer side of the assembly frame is provided with a seat, and the seat is internally
provided with a second mounting passage communicated with the first mounting passage; the
upper and lower sides of the seat are respectively provided with an installation groove
penetrating through the second mounting passage, and the installation groove is internally
provided with an elastic clamping member;
the replaceable ventilation device includes a shell, a waterproof breathable film, a moisture
absorption fiber and a protective cover; the shell can be inserted into the first mounting passage
and the second mounting passage, and the elastic clamping member is in contact with the outer
wall of the shell, so that the shell is fixed in the installation groove, a cavity is arranged inside
the shell along the length direction in a penetrating mode, the inner wall of the cavity is provided
with a second annular bulge and a third annular bulge which are respectively arranged near the
two ports of the cavity, the moisture absorption fiber is filled in the cavity and gathered near the
second annular bulge, and the waterproof breathable film is arranged in the cavity and abutted
against the third annular bulge;
the protective cover includes an outer cylinder and a connection cylinder which are
connected, and a part of the connection cylinder is inserted into the cavity and abutted against the
waterproof breathable film; the cylinder wall of the externally exposed part of the connection
cylinder is provided with a vent hole; the thermal collection plate comprises the following components in percentage by weight: %-15% of copper, 1%-2.5% of silver, 2%-3.2% of beryllium, 0.01%-0.1% of nickel, 2%-3% of manganese silicide, 3% of rare earth elements and the balance of aluminum, and the rare earth elements include lanthanum, cerium, ytterbium, neodymium and terbium.
2. The new material solar thermal collector of claim 1, wherein the outer margin of the outer cylinder is provided with a bent edge, the bent edge surrounds the periphery of the seat, a forth annular bulge is arranged at a position of the seat right opposite to the bent edge, and the fourth annular bulge together with the bent edge forms an air flue.
3. The new material solar thermal collector of claim 1, wherein the elastic clamping member includes a drive rod, a clamping member and a spring, wherein the spring is penetrated on the drive rod, the clamping member is fixed at the end of the drive rod, the installation groove includes a first groove body and a second groove body which are arranged from outer to inner, the diameter of the first groove body is smaller than that of the second groove body, the drive rod is penetrated in the first groove body and the second groove body, and the two ends of the spring are respectively abutted against the groove bottom of the second groove body and the clamping member.
4. The new material solar thermal collector of claim 3, wherein the outer wall of the shell is provided with a clamping groove for accommodating the clamping member.
5. The new material solar thermal collector of claim 4, wherein when the replaceable ventilation device is inserted into the first mounting passage and the second mounting passage, the clamping member is inserted in the clamping groove, at this moment, the spring is in a compressed state; when the replaceable ventilation device is pulled out to the first mounting passage and the second mounting passage, two of the clamping members are butted in the second mounting passage for closing the second mounting passage, at this moment, the spring is in a released state.
6. The new material solar thermal collector of claim 5, wherein the end of one of the two
clamping members is provided with an insertion strip, and the end of the other clamping member
is provided with an insertion groove for accommodating the insertion strip.
7. The new material solar thermal collector of claim 1, wherein the replaceable ventilation
device further includes a filter screen, the filter screen is fixed near the port of the second annular
bulge, and the filter screen adopts a metal filter screen.
8. The new material solar thermal collector of claim 1, wherein the assembly frame includes
an outer frame, a first clamping frame, a second clamping frame and a strip-shaped thermal
insulator; the first clamping frame is set as an L shape, one end of the first clamping frame is
fixed on the inner wall of the outer frame, the second clamping frame is connected with the top
of the outer frame, one end of the second clamping frame is bent toward the inner side of the
outer frame, the glass plate is clamped between the first clamping frame and the second
clamping frame, a gap between the first clamping frame and the glass plate is filled with the
strip-shaped thermal insulator, and a polymer glue is filled between the second clamping frame
and the glass plate.
9. The new material solar thermal collector of claim 1, further comprising an outer
protection device, wherein the outer protection device is arranged at one side of the assembly
frame, the outer protection device includes a support shell, a reel and a protective curtain made
of a flexible material, the protective curtain is wound on the reel, and one side of the support
shell is provided with a strip-shaped channel for the protective curtain to enter and exit;
the protective curtain can cover the glass plate in the extended state;
the protective curtain is folded in the support shell in the winding state.
10. The new material solar thermal collector of claim 9, wherein the other side of the
assembly frame is provided with a latch, and the end of the protective curtain is provided with a
spring bolt detachably connected with the latch.
AU2020442134A 2020-04-17 2020-08-20 New material solar thermal collector Active AU2020442134B2 (en)

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WO2021208312A1 (en) 2021-10-21

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