AU2019200565A1 - Solar reflecting and condensing device using thin film - Google Patents

Solar reflecting and condensing device using thin film Download PDF

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Publication number
AU2019200565A1
AU2019200565A1 AU2019200565A AU2019200565A AU2019200565A1 AU 2019200565 A1 AU2019200565 A1 AU 2019200565A1 AU 2019200565 A AU2019200565 A AU 2019200565A AU 2019200565 A AU2019200565 A AU 2019200565A AU 2019200565 A1 AU2019200565 A1 AU 2019200565A1
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Australia
Prior art keywords
surface form
focusing
film
bracket
focusing bracket
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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.)
Abandoned
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AU2019200565A
Inventor
Daren Deng
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TIANJIN TAIYANGSHEN Tech CO Ltd
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TIANJIN TAIYANGSHEN Tech CO Ltd
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Publication date
Priority claimed from AU2011223409A external-priority patent/AU2011223409A1/en
Application filed by TIANJIN TAIYANGSHEN Tech CO Ltd filed Critical TIANJIN TAIYANGSHEN Tech CO Ltd
Priority to AU2019200565A priority Critical patent/AU2019200565A1/en
Publication of AU2019200565A1 publication Critical patent/AU2019200565A1/en
Abandoned legal-status Critical Current

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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers

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  • Optical Elements Other Than Lenses (AREA)
  • Lenses (AREA)

Abstract

A solar reflecting and condensing device using a thin film includes a condensing film (2), a bottom plate (3) for surface forming and a focus fixing bracket (4) for surface forming. The condensing film (2) is a planar film with a reflecting cladding or a total reflection condensing film of micro-prisms, and is arranged on the top surface of the bottom plate (3). The bottom plate (3) is a thin plate, which is adhered to the top surface of the focus fixing bracket (4), and forms a surface shape and a precisely positioned focus, meeting optical requirements, together with the focus fixing bracket (4). 11040687_1 (GHMatters) P91428.AU.3

Description

A solar reflecting and condensing device using a thin film includes a condensing film (2), a bottom plate (3) for surface forming and a focus fixing bracket (4) for surface forming. The condensing film (2) is a planar film with a reflecting cladding or a total reflection condensing film of micro-prisms, and is arranged on the top surface of the bottom plate (3). The bottom plate (3) is a thin plate, which is adhered to the top surface of the focus fixing bracket (4), and forms a surface shape and a precisely positioned focus, meeting optical requirements, together with the focus fixing bracket (4).
11040687_1 (GHMatters) P91428.AU.3
2019200565 29 Jan 2019
SOLAR REFLECTING AND CONDENSING DEVICE USING THIN FILM
This disclosure accompanies a divisional application of AU2015215858, the contents of which are hereby incorporated in full by reference.
BACKGROUND OF THE INVENTION
1. Technical Field
The present invention relates to a solar reflecting and condensing device, and more especially to a film solar reflecting and condensing device.
2. Description of Related Art
A solar reflecting and condensing device has three elements: a reflecting plating with an extremely high reflectance (a condensing layer); a reflecting surface form meeting optical requirements; and accurate condensing focus positioning.
As for the solar reflecting and condensing device in the prior art, most of them are manufactured in such a way that a one-piece base material is processed into an accurate surface form whose surface is polished and plated, and a light receptor is erected at the focus with a welded bracket to form a condensing device.
The condensing device in the prior art above has the following disadvantages: high material cost, difficulty in processing, inaccurate focus positioning and great 20 inconvenience in mass production. Therefore, the condensing device above can be used only in a laboratory or exhibiting sample project. It is not applicable to large-scale generalization at all, which limits the utilization and development of the solar energy.
11040687_1 (GHMatters) P91428.AU.3
2019200565 29 Jan 2019
BRIEF SUMMARY OF THE INVENTION
A first aspect of the invention provides a manufacturing process for a film solar reflecting and condensing device comprising the following steps: make a top surface into a focusing bracket of a surface form with a paraboloid, attach a surface form 5 baseplate with a thickness less than 0.5 mm to a top surface of the focusing bracket, so that the surface form baseplate reproduces the paraboloid shape of the focusing bracket of the surface form, conglutinate a condensing film, which is a planar film with reflecting plating, evenly on an upper surface of the surface form baseplate, insert a collector tube into a hole of a focusing structure integrated with the focusing bracket of 10 the surface form and on the focusing bracket of the surface form.
In an embodiment, the structure of the planar film with reflecting plating includes the following: one side of a transparent plastic film is plated with a reflecting plating which is coated with a protection film layer; the other side of the transparent plastic film is coated with adhesive.
In an embodiment, the shape of the surface form baseplate is a paraboloid.
In an embodiment, the top surface of the focusing bracket of the surface form is a parabolic cylinder surface; the top surface of the focusing bracket of the surface form and the focusing structure integrated with the focusing bracket of the surface form combine to form a whole structure or is the mechanical connection structure of 20 positioning.
A second aspect of the invention provides a manufacturing process for a film solar reflecting and condensing device, comprising the following steps: make a top surface into a focusing bracket of a surface form of an digital curved surface attach a surface form baseplate with a thickness less than 0.5 mm to a top surface of the focusing 25 bracket, so that the surface form baseplate reproduces the paraboloid shape of the focusing bracket of the surface form, conglutinate a microprism total-reflecting
11040687_1 (GHMatters) P91428.AU.3
2019200565 29 Jan 2019 condensing film evenly on an upper surface of the surface form baseplate, insert a collector tube into a hole of a focusing structure integrated with the focusing bracket of the surface form and on the focusing bracket of the surface form
In an embodiment, the structure of the microprism total-reflection condensing film includes the following: forms multiple prisms on the surface of the transparent plastic film.
In an embodiment, the shape of the surface form baseplate includes the following requirements: the surface form of the baseplate not only enables the prisms on the microprism total-reflection condensing film to meet the total reflection conditions, but 10 also ensures the reflected rays gather at the focus.
In an embodiment, the top optical curved surface of the focusing bracket of the surface form is a digital cylinder surface which includes the following features: incident rays parallel to the optical axis are reflected by a first plane and then fall onto the digital curved surface which totally reflects the rays onto a second plane; the 15 reflected rays refracted by the second plane gather at the same focus.
In an embodiment, a center of the collector tube coincides with a central point of the focusing structure integrated with the focusing bracket of the surface form.
A second aspect of the invention provides a film solar reflecting and condensing device produced from the manufacturing process according to the first aspect.
An embodiment of the present invention may provide a film solar reflecting and condensing device featuring low cost, easy manufacturing, high-precision repetition, good condensing effects and application to large-scale generalization by overcoming the disadvantages in the prior art.
In an embodiment, a film solar reflecting and condensing device comprises: a condensing film, a surface form baseplate and a focusing bracket of the surface form, wherein the condensing film is a planar film with reflecting plating which is set on the
11040687_1 (GHMatters) P91428.AU.3
2019200565 29 Jan 2019 top surface of the surface form baseplate; the surface form baseplate is a thin plate whose bottom surface is attached to the top surface of the focusing bracket of the surface form and reproduces its surface shape; the focusing bracket of the surface form includes: a top optical curved surface of the focusing bracket of the surface form and a 5 focusing structure integrated with the focusing bracket of the surface form, wherein the top optical curved surface of the focusing bracket of the surface form is on the top surface of the focusing bracket of the surface form and the central point of the focusing structure integrated with the focusing bracket of the surface form is at the focus of the top optical curved surface of the focusing bracket of the surface form.
In an embodiment, a film solar reflecting and condensing device comprises: a condensing film, a surface form baseplate and a focusing bracket of the surface form, wherein the condensing film is a microprism total-reflection condensing film which is set on the top surface of the surface form baseplate; the surface form baseplate is a thin plate whose bottom surface is attached to the top surface of the focusing bracket of the 15 surface form and reproduces its surface shape; the focusing bracket of the surface form includes: a top optical curved surface of the focusing bracket of the surface form and a focusing structure integrated with the focusing bracket of the surface form, wherein the top optical curved surface of the focusing bracket of the surface form is on the top surface of the focusing bracket of the surface form and the central point of the 20 focusing structure integrated with the focusing bracket of the surface form is at the focus of the top optical curved surface of the focusing bracket of the surface form.
The favorable effects of an embodiment of the present invention may be as follows:
l.The component that is difficult to process and requires polishing and plating is 25 broken down into a condensing film and a surface form baseplate. The components that are broken down feature convenient processing and low cost.
11040687_1 (GHMatters) P91428.AU.3
2019200565 29 Jan 2019
2. The surface that is difficult to process is broken down into a surface form baseplate and a focusing bracket of the surface form, wherein the surface form is made into a thin plate and only the top surface of the focusing bracket of the surface form is made into an accurate surface required by condensing. The focusing bracket of the surface form broken down can be accurately processed, which can ensure the soft surface form baseplate is attached to the top surface of the focusing bracket of the surface form and reproduces its surface shape, realizing a surface form featuring convenient processing and low cost.
3. The difficulty in accurate and repeated focusing is overcome by combining the 10 focusing structure and the focusing bracket of the surface form onto a modular part.
The successful solving of the three problems above may make the reflecting and condensing utilization of the solar energy reach a level of being applicable to large-scale generalization.
In the embodiments of the present invention, a collector tube can be arranged on 15 the condensing device to make it as the condensing focus, thus a large amount of solar energy can be condensed and the heat quantity of the solar energy condensed may be 6 to 9 times more than that condensed only with collector tubes, and may reach the aim of collecting more heat and heating water to a higher temperature (approximate to 100°C ) so that solar hot water can be used not only for bathing but also for heating 20 and the utilization of solar hot water is pushed onto a new higher stage.
BRIEF DESCRIPTION OF THE DIFFERENT VIEWS OF THE DRAWINGS
Embodiments of the invention will now be described, by way of example only, with reference to the accompanying non-limiting drawings:
FIG. 1 is a stereogram of an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
11040687_1 (GHMatters) P91428.AU.3
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FIG. 3 is Section A-A of FIG. 2;
FIG. 4 is a section of the structure of the planar film with reflecting plating;
FIG. 5 is a schematic diagram of the structure of the focusing bracket of the surface form;
FIG. 6 is a schematic diagram of the structure of the microprism total-reflection condensing film, in which the optical path of the total reflection of the sun ray on the prism is shown.
“Explanation of the Main Numbers in the Drawings”
1: collector tube; 2: condensing film; 2a: planar film with reflecting plating; 2b:
microprism total-reflection condensing film; 3: surface form baseplate; 4: focusing bracket of the surface form baseplate; 4a: top optical curved surface of the focusing bracket of the surface form; 4b: focusing structure integrated with the focusing bracket of the surface form; 6: adhesive; 7: transparent plastic film; 8: reflecting plating; 9: protection film layer; 11: first plane; 12: digital curved surface; 14: second plane; il, i2, i3: incident rays; rl, r2, r3: reflected rays; f: focus.
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be further illustrated hereinafter in conjunction with the drawings:
FIG. 1 is a stereogram of an embodiment of the present invention; FIG. 2 is a front view of FIG. 1; FIG. 3 is Section A-A of FIG. 2;
FIG. 4 is a section of the structure of the planar film with reflecting plating; FIG. 5 is a schematic diagram of the structure of the focusing bracket of the surface form; FIG. 6 is a schematic diagram of the structure of the microprism total-reflection condensing 25 film, in which the optical path of the total reflection of the sun ray on the prism is shown.
11040687_1 (GHMatters) P91428.AU.3
2019200565 29 Jan 2019
Embodiment 1
An embodiment of the present invention provides a film solar reflecting and condensing device, including a condensing film 2, a surface form baseplate 3 and a focusing bracket of the surface form 4.
As shown in FIG. 1, FIG. 2 and FIG. 3, the condensing film 2 is a planar film 2a with reflecting plating which is set on the top surface of the surface form baseplate 3; the surface form baseplate 3 is a thin plate whose bottom surface is attached to the top surface of the focusing bracket 4 of the surface form and reproduces its surface shape.
The focusing bracket 4 of the surface form includes: a top optical curved surface 10 4a of the focusing bracket of the surface form and a focusing structure 4b integrated with the focusing bracket of the surface form. The top optical curved surface 4a of the focusing bracket of the surface form is on the top surface of the focusing bracket 4 of the surface form and the central point of the focusing structure 4b integrated with the focusing bracket of the surface form is at the focus f of the top optical curved surface 15 4a of the focusing bracket of the surface form.
As shown in FIG. 4, the structure of the planar film 2a with reflecting plating is as follows: one side of a transparent plastic film 7 is plated with a reflecting plating 8 which is coated with a protection film layer 9; the other side of the transparent plastic film 7 is coated with adhesive 6.
If the condensing film 2 is a planar film 2a with reflecting plating, the shape of the surface form baseplate 3 is a paraboloid.
If the condensing film 2 is a planar film 2a with reflecting plating, the top optical curved surface 4a of the focusing bracket of the surface form is a parabolic cylinder surface; the top optical curved surface 4a of the focusing bracket of the surface form 25 and the focusing structure 4b integrated with the focusing bracket of the surface form to form a whole structure or is the mechanical connection structure of accurate 7
11040687_1 (GHMatters) P91428.AU.3
2019200565 29 Jan 2019 positioning.
An embodiment of the present invention also includes a collector tube 1 whose center coincides with the central point of the focusing structure 4b integrated with the focusing bracket of the surface form.
The manufacturing process of Embodiment 1 of the present invention is as follows:
In an embodiment of the present invention, firstly make the top surface into a focusing bracket 4 of the surface form with an accurate paraboloid, and then attach a surface form baseplate less than 0.5mm in thickness to the top surface of the focusing 10 bracket 4 of the surface form, which can ensure the soft surface form baseplate 3 accurately reproduces the upper paraboloid shape of the focusing bracket 4 of the surface form; afterwards, conglutinate the condensing film 2a with reflecting plating evenly on the upper surface of the surface form baseplate 3 and insert the collector tube 1 into the hole of the focusing structure 4b integrated with the focusing bracket of 15 the surface form and on the focusing bracket 4 of the surface form; thus a film solar reflecting and condensing device according to an embodiment of the present invention is completed.
Embodiment 2
An embodiment of the present invention provides a film solar reflecting and 20 condensing device, including a condensing film 2, a surface form baseplate 3 and a focusing bracket of the surface form 4.
As shown in FIG. 1, FIG. 2 and FIG. 3, the condensing film 2 is a microprism total-reflection condensing film 2b which is set on the top surface of the surface form baseplate 3; the surface form baseplate 3 is a thin plate whose bottom surface is 25 attached to the top surface of the focusing bracket 4 of the surface form and reproduces its surface shape; the focusing bracket 4 of the surface form includes: a top 8
11040687_1 (GHMatters) P91428.AU.3
2019200565 29 Jan 2019 optical curved surface 4a of the focusing bracket of the surface form and a focusing structure 4b integrated with the focusing bracket of the surface form, wherein the top optical curved surface 4a of the focusing bracket of the surface form is on the top surface of the focusing bracket 4 of the surface form and the central point of the 5 focusing structure 4b integrated with the focusing bracket of the surface form is at the focus f of the top optical curved surface 4a of the focusing bracket of the surface form.
As shown in FIG. 6, the structure of the microprism total-reflection condensing film 2b is as follows: form multiple tiny prisms on the surface of the transparent plastic film.
If the condensing film 2 is the microprism total-reflection condensing film 2b, the shape of the surface form baseplate 3 meet the following requirements: it not only enables the prisms on the microprism total-reflection condensing film 2b to meet the total reflection conditions, but also ensures the reflected rays gather at the focus f.
If the condensing film 2 is the microprism total-reflection condensing film 2b, the top optical curved surface 4a of the focusing bracket of the surface form is a digital cylinder surface. The digital cylinder surface is as follows: incident rays il, i2 and i3 parallel to the optical axis are reflected by the first plane 11 and then fall on the digital curved surface 12 which totally reflects the rays onto the second plane 14; the reflected rays rl, r2 and r3 refracted by the second plane 14 gather at the same focus f.
An embodiment of the present invention also includes a collector tube 1 whose center coincides with the central point of the focusing structure 4b integrated with the focusing bracket of the surface form.
The manufacturing process of Embodiment 2 of the present invention is as follows:
In an embodiment of the present invention, firstly make the top surface into a focusing bracket 4 of the surface form of an accurate digital curved surface 12, and 9
11040687_1 (GHMatters) P91428.AU.3
2019200565 29 Jan 2019 then attach a surface form baseplate 3 less than 0.5mm in thickness to the top surface of the focusing bracket 4 of the surface form, which can ensure the soft surface form baseplate 3 accurately reproduces the upper digital curved surface 12 of the focusing bracket 4 of the surface form, afterwards, conglutinate the microprism total-reflection 5 condensing film 2b evenly on the upper surface of the surface form baseplate 3 and insert the collector tube 1 into the hole of the focusing structure 4b integrated with the focusing bracket of the surface form and on the focusing bracket 4 of the surface form, thus a film solar reflecting and condensing device according to an embodiment of the present invention is completed.
It is to be understood that, if any prior art publication is referred to herein, such reference does not constitute an admission that the publication forms a part of the common general knowledge in the art, in Australia or any other country.
In the claims which follow and in the preceding description of the invention, except where the context requires otherwise due to express language or necessary 15 implication, the word “comprise” or variations such as “comprises” or “comprising” is used in an inclusive sense, i.e. to specify the presence of the stated features but not to preclude the presence or addition of further features in various embodiments of the invention.
11040687_1 (GHMatters) P91428.AU.3

Claims (10)

1. A manufacturing process for a film solar reflecting and condensing device comprising the following steps:
make a top surface into a focusing bracket of a surface form with a paraboloid, attach a surface form baseplate with a thickness less than 0.5 mm to a top surface of the focusing bracket, so that the surface form baseplate reproduces the paraboloid shape of the focusing bracket of the surface form, conglutinate a condensing film, which is a planar film with reflecting plating, evenly on an upper surface of the surface form baseplate, insert a collector tube into a hole of a focusing structure integrated with the focusing bracket of the surface form and on the focusing bracket of the surface form.
2. The manufacturing process as claimed in Claim 1, wherein the structure of the planar film with reflecting plating includes the following: one side of a transparent plastic film is plated with a reflecting plating which is coated with a protection film layer; the other side of the transparent plastic film is coated with adhesive.
3. The manufacturing process as claimed in Claim 1 or 2, wherein the shape of the surface form baseplate is a paraboloid.
4. The manufacturing process as claimed in any one of Claims 1 to 3, wherein the top surface of the focusing bracket of the surface form is a parabolic cylinder surface; the top surface of the focusing bracket of the surface form and the focusing structure integrated with the focusing bracket of the surface form combine to form a whole structure or is the mechanical connection structure of positioning.
5. A manufacturing process for a film solar reflecting and condensing device, comprising the following steps:
make a top surface into a focusing bracket of a surface form of a digital curved surface
11040687_1 (GHMatters) P91428.AU.3
2019200565 29 Jan 2019 attach a surface form baseplate with a thickness less than 0.5 mm to a top surface of the focusing bracket, so that the surface form baseplate reproduces the paraboloid shape of the focusing bracket of the surface form, conglutinate a microprism total-reflecting condensing film evenly on an upper surface of the surface form baseplate, insert a collector tube into a hole of a focusing structure integrated with the focusing bracket of the surface form and on the focusing bracket of the surface form.
6. The manufacturing process as claimed in Claim 5, wherein the structure of the microprism total-reflection condensing film includes the following: forms multiple prisms on the surface of the transparent plastic film.
7. The manufacturing process as claimed in Claim 5 or 6, wherein the shape of the surface form baseplate includes the following requirements: the surface form of the baseplate not only enables the prisms on the microprism total-reflection condensing film to meet the total reflection conditions, but also ensures the reflected rays gather at the focus.
8. The manufacturing process as claimed in any one of Claims 5 to 7, wherein the top optical curved surface of the focusing bracket of the surface form is a digital cylinder surface which includes the following features: incident rays parallel to the optical axis are reflected by a first plane and then fall onto the digital curved surface which totally reflects the rays onto a second plane; the reflected rays refracted by the second plane gather at the same focus.
9. The manufacturing process as claimed in any one of Claims 1 to 6, wherein a center of the collector tube coincides with a central point of the focusing structure integrated with the focusing bracket of the surface form.
10. A film solar reflecting and condensing device produced from the manufacturing process as claimed in any one of claims 1 to 9.
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AU2019200565A 2010-03-02 2019-01-29 Solar reflecting and condensing device using thin film Abandoned AU2019200565A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2019200565A AU2019200565A1 (en) 2010-03-02 2019-01-29 Solar reflecting and condensing device using thin film

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN201010115538.9 2010-03-02
AU2011223409A AU2011223409A1 (en) 2010-03-02 2011-02-21 Solar reflecting and condensing device using thin film
AU2015215858A AU2015215858A1 (en) 2010-03-02 2015-08-19 Solar reflecting and condensing device using thin film
AU2017203849A AU2017203849A1 (en) 2010-03-02 2017-06-07 Solar reflecting and condensing device using thin film
AU2019200565A AU2019200565A1 (en) 2010-03-02 2019-01-29 Solar reflecting and condensing device using thin film

Related Parent Applications (1)

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AU2017203849A Division AU2017203849A1 (en) 2010-03-02 2017-06-07 Solar reflecting and condensing device using thin film

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AU2019200565A1 true AU2019200565A1 (en) 2019-02-14

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AU2015215858A Abandoned AU2015215858A1 (en) 2010-03-02 2015-08-19 Solar reflecting and condensing device using thin film
AU2017203849A Abandoned AU2017203849A1 (en) 2010-03-02 2017-06-07 Solar reflecting and condensing device using thin film
AU2019200565A Abandoned AU2019200565A1 (en) 2010-03-02 2019-01-29 Solar reflecting and condensing device using thin film

Family Applications Before (2)

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AU2015215858A Abandoned AU2015215858A1 (en) 2010-03-02 2015-08-19 Solar reflecting and condensing device using thin film
AU2017203849A Abandoned AU2017203849A1 (en) 2010-03-02 2017-06-07 Solar reflecting and condensing device using thin film

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AU2017203849A1 (en) 2017-06-22

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