AU2021203439B2 - Intelligent solar water heater system - Google Patents
Intelligent solar water heater system Download PDFInfo
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- AU2021203439B2 AU2021203439B2 AU2021203439A AU2021203439A AU2021203439B2 AU 2021203439 B2 AU2021203439 B2 AU 2021203439B2 AU 2021203439 A AU2021203439 A AU 2021203439A AU 2021203439 A AU2021203439 A AU 2021203439A AU 2021203439 B2 AU2021203439 B2 AU 2021203439B2
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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
- Y02E10/44—Heat exchange systems
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention relates to an intelligent solar water heater system, including: a solar
heat collector, a water tank, a hot water conveying pipe, and a heat-insulation barrel, where a
horizontal fixed spacer and a rotatable movable spacer are disposed inside the heat-insulation
barrel, and a space above the fixed spacer inside the heat-insulation barrel is partitioned by the
movable spacer into a first hot water cavity and a second hot water cavity, and a space below the
fixed spacer inside the heat-insulation barrel is partitioned by the movable spacer into a first cold
water cavity and a second cold water cavity. In the present invention, the heat-insulation barrel is
ingeniously designed, where cold water and hot water are separated by using the spacers, and
through cooperation between eight valves, cold water is injected to change the volumes of the
cold water cavities, so that the movable spacer is driven to rotate and causes hot water to flow
out from the hot water cavities. Because of compression of the movable spacer, the hot water that
flows out has water pressure, which satisfies a use requirement. In addition, because the cold
water is injected into one of the cold water cavities, but cold water inside the other cold water
cavity is extruded and is pushed into the water tank of the water heater, the water tank of water
heater is replenished with water.
1/1
5 2
10
3
83 73 81 71 61 62 72 82 74 84
A BD
93 91 41 42 \ 4 V 92 94
FIG. 1
73 74
it 12
FIG. 2
Description
1/1
2
3
83 73 81 71 61 62 72 82 74 84
93 91 41 42 \ 4 V92 94 FIG. 1
73 74
it 12
FIG. 2
The present invention relates to an intelligent solar water heater system, and belongs to the
field of energy-saving and emission-reduction applications.
Currently, the solar water heater is a water heater device that is vigorously promoted and
popularized in China. Compared with other water heaters, the solar water heater not only saves
conventional energy, produces no pollutant or waste, and can produce hot water efficiently, but
also has almost zero running costs, good economic benefits in long-term use, a very long service
life, and earnestly responds to China's call for building an energy-saving and
environment-friendly society. Although the solar water heater has many advantages, some
technical disadvantages still limit the development of the solar water heater.
To better utilize energy, the solar water heater is usually disposed on the top of a building,
and a hot water conveying pipeline thereof needs to extend from the top of the building to the
indoor. During use, a large amount of cold water stored in the pipeline is directly discharged,
resulting in a waste of water resources. When hot water flows through the long pipeline, an
excessive heat loss is caused, resulting in reduction of the water temperature. After the use, hot
water that stays in the pipeline cannot be used, resulting in a waste again. In addition, in winter,
the pipeline exposed outdoors is likely to be frozen to crack.
An objective of the present invention is to overcome defects of the prior art and provide an
intelligent solar water heater, without causing wastes of cold water and hot water in a pipeline.
To achieve the objective of the present invention, the present invention provides an
intelligent solar water heater system, including: a solar heat collector, a water tank, and a hot
water conveying pipe disposed from top to bottom, where:
a two-position three-way solenoid valve is disposed at an upper end of the hot water conveying pipe, and the two-position three-way solenoid valve includes a water inlet located at an upstream end, a water outlet located at a downstream end, and an air inlet in communication with the air; the intelligent solar water heater system further includes a heat-insulation barrel inside which a horizontal fixed spacer and a rotatable movable spacer are disposed, a space above the fixed spacer inside the heat-insulation barrel is partitioned by the movable spacer into a first hot water cavity and a second hot water cavity, and a space below the fixed spacer inside the heat-insulation barrel is partitioned by the movable spacer into a first cold water cavity and a second cold water cavity; by increasing the volume of the first cold water cavity or the second cold water cavity, the movable spacer is driven to rotate and further causes hot water to flow out from the second hot water cavity or the first hot water cavity; the hot water conveying pipe is divided into two paths, a first path is connected to the first hot water cavity through a first hot water inlet valve, and a second path is connected to the second hot water cavity through a second hot water inlet valve; the first hot water cavity and the second hot water cavity are respectively connected to a first hot water outlet pipe on which a first hot water outlet valve is disposed and a second hot water outlet pipe on which a second hot water outlet valve is disposed; the first cold water cavity is connected to a first cold water inlet pipe on which a first cold water inlet valve is disposed and a first cold water outlet pipe on which a first cold water outlet valve is disposed; the second cold water cavity is respectively connected to a second cold water inlet pipe on which a second cold water inlet valve is disposed and a second cold water outlet pipe on which a second cold water outlet valve is disposed; the first cold water inlet pipe and the second cold water inlet pipe are connected to municipal tap water; the first cold water outlet pipe and the second cold water outlet pipe are connected to the water tank; and the intelligent solar water heater system further includes a controller, configured to control the two-position three-way solenoid valve, the first hot water inlet valve, the second hot water inlet valve, the first hot water outlet valve, the second hot water outlet valve, the first cold water inlet valve, the second cold water inlet valve, the first cold water outlet valve, and the second cold water outlet valve. In the present invention, the heat-insulation barrel is additionally disposed to store hot water for a user to use. In a normal state, there is no water in the hot water conveying pipe, water is injected to the heat-insulation barrel intermittently through state switching of the two-position three-way solenoid valve at the upper end of the hot water conveying pipe, and after water is completely discharged from the water tank, the upper end of the hot water conveying pipe is in communication with the air, and the hot water in the pipe flows into the heat-insulation barrel under the action of gravity, so that the hot water in the pipe is effectively utilized, thereby avoiding a waste of hot water. Because in the normal state, there is no water in the hot water conveying pipe, a problem that hot water staying in the pipe for a long time causes an energy waste and a problem that the hot water conveying pipe is likely to be frozen to crack in winter are resolved. In the present invention, the heat-insulation barrel is ingeniously designed, where cold water and hot water are separated by using the spacers, and through cooperation between eight valves, cold water is injected to change the volumes of the cold water cavities, so that the movable spacer is driven to rotate and causes hot water to flow out from the hot water cavities. Because of compression of the movable spacer, the hot water that flows out has water pressure, which satisfies a use requirement. In addition, because the cold water is injected into one of the cold water cavities, but cold water inside the other cold water cavity is extruded and is pushed into the water tank of the water heater, the water tank of water heater is replenished with water. Preferably, a heating tube is disposed inside the heat-insulation barrel. When an illumination condition is poor, or a water temperature inside the heat-insulation barrel is excessively low, water inside the heat-insulation barrel is heated through the heating tube, thereby improving applicability of the solar water heater in a rainy day or in winter. When an illumination condition is unsatisfactory, water inside the water tank of the water heater can also reach a specific temperature (for example, 25°C), this part of water flows into the heat-insulation barrel to be further heated, so that a use requirement for a higher water temperature (for example, 40°C) can be satisfied, thereby effectively utilizing energy and reducing energy consumption.
The present invention is further described below with reference to the accompanying
drawings.
FIG. 1 is a schematic structural diagram of an intelligent solar water heater according to the
present invention; and
FIG. 2 is a schematic diagram of a hot water outlet pipe of an intelligent solar water heater
according to the present invention.
Reference signs in the drawing are described as follows:
1-solar heat collector, 2-water tank, 3-hot water conveying pipe, 4-heat-insulation barrel,
41-fixed spacer, 42-movable spacer, 5-two-position three-way solenoid valve, 61-first hot water
inlet valve, 62-second hot water inlet valve, 71-first hot water outlet valve, 72-second hot water
outlet valve, 73-first hot water outlet pipe, 74-second hot water outlet pipe, 81-first cold water
inlet valve, 82-second cold water inlet valve, 83-first cold water inlet pipe, 84-second cold water
inlet pipe, 91-first cold water outlet valve, 92-second cold water outlet valve, 93-first cold water
outlet pipe, 94-second cold water outlet pipe, 10-support, 11-kitchen water supply pipe,
12-bathroom water supply pipe, A-first hot water cavity, B-second hot water cavity, C-first cold
water cavity, and D-second cold water cavity.
The present invention is further described below with reference to the accompanying
drawings and specific embodiments.
As shown in FIG. 1, in this embodiment of the present invention, an intelligent solar water
heater mainly includes a solar heat collector 1, a water tank 2, a hot water conveying pipe 3
disposed from top to bottom, and a heat-insulation barrel 4 located indoors. In this embodiment,
the solar heat collector 1 and the water tank 2 are fixed on the top of a building through a support
10. A vacuum heat collector is used as the solar heat collector, and has relatively good heat
collection efficiency. A heat-insulation layer is wrapped around the hot water conveying pipe 3,
to reduce a heat loss.
As shown in FIG. 1, a two-position three-way solenoid valve 5 is disposed at an upper end
of the hot water conveying pipe 3, and the two-position three-way solenoid valve 5 includes a water inlet located at an upstream end, a water outlet located at a downstream end, and an air inlet in communication with the air. The two-position three-way solenoid valve 5 has two state positions.
At a first state position, the water inlet and the water outlet of the two-position three-way
solenoid valve 5 are in communication with each other, and the air inlet is closed. In this case,
the water tank 2 injects water into the heat-insulation barrel 4 through the hot water conveying
pipe 3.
At a second state position, the water inlet of two-position three-way solenoid valve 5 is
closed, and the air inlet and the water outlet thereof are in communication with each other. In this
case, the water tank 2 stops discharging water, and the remaining hot water inside the hot water
conveying pipe 3 flows into the heat-insulation barrel 4 under the action of gravity. In addition, it
is ensured that there is no water in the hot water conveying pipe 3 in a normal state.
In this embodiment, a horizontal fixed spacer 41 and a rotatable movable spacer 42 are
disposed inside the heat-insulation barrel 4. As shown in FIG. 1, a space above the fixed spacer
41 is partitioned by the movable spacer 42 into a first hot water cavity A and a second hot water
cavity B, and a space below the fixed spacer 41 is partitioned by the movable spacer 42 into a
first cold water cavity C and a second cold water cavity D. By increasing the volume of the first
cold water cavity C or the second cold water cavity D, the movable spacer 42 is driven to rotate
and further causes hot water to flow out from the second hot water cavity B or the first hot water
cavity A.
In this embodiment, the heat-insulation barrel 4 is provided with four water inlets and four
water outlets, and opening and closure of pipelines are respectively controlled by using valves, to
implement functions. The pipelines and the valves are specifically disposed as follows:
The hot water conveying pipe 3 is divided into two paths, a first path is connected to the
first hot water cavity A through a first hot water inlet valve 61, and a second path is connected to
the second hot water cavity B through a second hot water inlet valve 62. Water inside the water
tank 2 flows into the first hot water cavity A or the second hot water cavity B through the hot
water conveying pipe 3.
The first hot water cavity A and the second hot water cavity B are respectively connected to
a first hot water outlet pipe 73 on which a first hot water outlet valve 71 is disposed and a second hot water outlet pipe 74 on which a second hot water outlet valve 72 is disposed. As shown in FIG. 2, the first hot water outlet pipe 73 and the second hot water outlet pipe 74 are respectively connected to a kitchen water supply pipe 11 and a bathroom water supply pipe 12 after a confluence. The first hot water cavity A and the second hot water cavity B are configured to receive hot water from the water tank 2 for storage, and supply the hot water for a user. In this embodiment, an electric heater is disposed in each of the first hot water cavity A and the second hot water cavity B of the heat-insulation barrel 4. When an illumination condition is poor, or a water temperature inside the heat-insulation barrel is excessively low, water inside the heat-insulation barrel is heated through a heating tube, thereby improving applicability of the solar water heater in a rainy day or in winter. The first cold water cavity C is connected to a first cold water inlet pipe 83 on which a first cold water inlet valve 81 is disposed and a first cold water outlet pipe 93 on which afirst cold water outlet valve 91 is disposed. The first cold water inlet pipe 83 and the second cold water inlet pipe 84 are connected to municipal tap water. The second cold water cavity D is respectively connected to a second cold water inlet pipe 84 on which a second cold water inlet valve 82 is disposed and a second cold water outlet pipe 94 on which a second cold water outlet valve 92 is disposed. The first cold water outlet pipe 93 and the second cold water outlet pipe 94 are connected to the water tank 2. By opening the cold water inlet valve, the cold water cavity is filled with water, to change the volume of the cold water cavity, thereby driving the movable spacer 42 to rotate. The movable spacer 42 rotates, so that on the one side, hot water inside the hot water cavity is discharged for a user to use, and on the other hand, cold water inside the cold water cavity that is compressed is pushed into the water tank 2 through a pipeline, to replenish the water tank 2 with water. The intelligent solar water heater system further includes a controller, configured to control the two-position three-way solenoid valve 5, the first hot water inlet valve 61, the second hot water inlet valve 62, the first hot water outlet valve 71, the second hot water outlet valve 72, the first cold water inlet valve 81, the second cold water inlet valve 82, the first cold water outlet valve 91, and the second cold water outlet valve 92, to implement functions. In this embodiment, the movable spacer 42 rotates within a specific angular range, and a rotation angle of the movable spacer 42 is detected by using a position sensor. When the movable spacer 42 rotates to a limit position, an opening-closure state of the valve is changed, to implement continuous water supply of the heat-insulation barrel 4. The position sensor is connected to the controller.
In this embodiment, a method for controlling the intelligent solar water heater system is as
follows:
When a user uses water, the water heater switches between a mode I and a mode II, where a
switching condition is that the movable spacer 42 rotates to a limit position, and the limit
position of the movable spacer 42 is detected by using the position sensor.
Mode I: The first cold water inlet valve 81, the second cold water outlet valve 92, the first
hot water outlet valve 71, and the second hot water inlet valve 62 are opened, and the first cold
water outlet valve 91, the second cold water inlet valve 82, the first hot water inlet valve 61, and
the second hot water outlet valve 72 are opened; and tap water enters the first cold water cavity
C through the first cold water inlet pipe 83 to increase the volume of the first cold water cavity C,
to drive the movable spacer 42 to rotate counterclockwise, the first hot water cavity A and the
second cold water cavity D are compressed by the movable spacer 42 to have smaller volumes,
so that hot water in the first hot water cavity A flows out through the first hot water outlet pipe
73 for the user to use, and at the same time, cold water inside the second cold water cavity D
flows into the water tank 2 through the second cold water outlet pipe 94, thereby replenishing the
water heater with water while supplying water for the user to use.
Mode II: The second cold water inlet valve 82, the first cold water outlet valve 91, the
second hot water outlet valve 72, and the first hot water inlet valve 61 are opened, and the
second cold water outlet valve 92, the first cold water inlet valve 81, the second hot water inlet
valve 62, and the first hot water outlet valve 71 are opened; and tap water enters the second cold
water cavity D through the second cold water inlet pipe 84 to increase the volume of the second
cold water cavity D, to drive the movable spacer 42 to rotate clockwise, and the second hot water
cavity B and the first cold water cavity C are compressed by the movable spacer 42 to have
smaller volumes, so that hot water in the second hot water cavity B flows out through the second
hot water outlet pipe 74 for the user to use, and at the same time, cold water inside the first cold
water cavity C flows into the water tank 2 through the first cold water outlet pipe 93, thereby
replenishing the water heater with water while supplying water for the user to use.
When the solar water heater is in the mode I, t when the solar water heater is in the mode I, the two-position three-way solenoid valve 5 is controlled to act, so that the water inlet and the water outlet thereof are in communication with each other, and the second hot water cavity B is replenished with hot water inside the water tank 2 through the hot water conveying pipe 3 and the second hot water inlet valve 62; and when the solar water heater is in the mode II, the two-position three-way solenoid valve 5 is controlled to act, so that the water inlet and the water outlet thereof are in communication with each other, and the first hot water cavity A is replenished with hot water inside the water tank 2 through the hot water conveying pipe 3 and the first hot water inlet valve 61. In addition to the foregoing embodiments, the present invention may further include other implementations. Any technical solution formed through equivalent replacement or equivalent transformation falls within the protection scope claimed in the present invention.
Claims (10)
- What is claimed is: 1. An intelligent solar water heater system, comprising: a solar heat collector (1), a water tank (2), and a hot water conveying pipe (3) disposed from top to bottom, wherein: a two-position three-way solenoid valve (5) is disposed at an upper end of the hot water conveying pipe (3), and the two-position three-way solenoid valve (5) comprises a water inlet located at an upstream end, a water outlet located at a downstream end, and an air inlet in communication with the air; the intelligent solar water heater system further comprises a heat-insulation barrel (4) inside which a horizontal fixed spacer (41) and a rotatable movable spacer (42) are disposed, a space above the fixed spacer (41) inside the heat-insulation barrel (4) is partitioned by the movable spacer (42) into a first hot water cavity (A) and a second hot water cavity (B), and a space below the fixed spacer (41) inside the heat-insulation barrel (4) is partitioned by the movable spacer (42) into a first cold water cavity (C) and a second cold water cavity (D); by increasing the volume of the first cold water cavity (C) or the second cold water cavity (D), the movable spacer (42) is driven to rotate and further causes hot water to flow out from the second hot water cavity (B) or the first hot water cavity (A); the hot water conveying pipe (3) is divided into two paths, a first path is connected to the first hot water cavity (A) through a first hot water inlet valve (61), and a second path is connected to the second hot water cavity (B) through a second hot water inlet valve (62); the first hot water cavity (A) and the second hot water cavity (B) are respectively connected to a first hot water outlet pipe (73) on which a first hot water outlet valve (71) is disposed and a second hot water outlet pipe (74) on which a second hot water outlet valve (72) is disposed; the first cold water cavity (C) is connected to a first cold water inlet pipe (83) on which a first cold water inlet valve (81) is disposed and a first cold water outlet pipe (93) on which a first cold water outlet valve (91) is disposed; the second cold water cavity (D) is respectively connected to a second cold water inlet pipe (84) on which a second cold water inlet valve (82) is disposed and a second cold water outlet pipe (94) on which a second cold water outlet valve (93) is disposed; the first cold water inlet pipe (83) and the second cold water inlet pipe (84) are connected to municipal tap water; the first cold water outlet pipe (93) and the second cold water outlet pipe (94) are connected to the water tank (2); and the intelligent solar water heater system further comprises a controller, configured to control the two-position three-way solenoid valve (5), the first hot water inlet valve (61), the second hot water inlet valve (62), the first hot water outlet valve (71), the second hot water outlet valve (72), the first cold water inlet valve (81), the second cold water inlet valve (82), the first cold water outlet valve (91), and the second cold water outlet valve (93).
- 2. The intelligent solar water heater system according to claim 1, wherein the two-position three-way solenoid valve (5) has two state positions: at a first state position, the water inlet and the water outlet of the two-position three-way solenoid valve (5) are in communication with each other, and the air inlet is closed; at a second state position, the water inlet of the two-position three-way solenoid valve (5) is closed, and the air inlet and the water outlet thereof are in communication with each other.
- 3. The intelligent solar water heater system according to claim 1, wherein the first hot water outlet pipe (73) and the second hot water outlet pipe (74) are respectively connected to a kitchen water supply pipe (11) and a bathroom water supply pipe (12) after a confluence.
- 4. The energy-saving solar water heater according to claim 1, wherein a heat-insulation layer is wrapped around the hot water conveying pipe (3), and the solar heat collector (1) is a vacuum heat collector; and the solar heat collector (1) and the water tank (2) are fixed on the top of a building through a support (10).
- 5. The energy-saving solar water heater according to claim 1, wherein the heat-insulation barrel (4) is located indoors; and an electric heater is disposed inside each of the first hot water cavity (A) and the second hot water cavity (B) of the heat-insulation barrel (4).
- 6. The energy-saving solar water heater according to claim 1, wherein the heat-insulation barrel (4) is equipped with a position sensor configured to detect a rotation angle of the movable spacer (42).
- 7. A method for controlling the intelligent solar water heater system according to claim 1, wherein when a user uses water, the water heater switches between a mode I and a mode II, wherein: mode I: the first cold water inlet valve (81), the second cold water outlet valve (92), thefirst hot water outlet valve (71), and the second hot water inlet valve (62) are opened, and the first cold water outlet valve (91), the second cold water inlet valve (82), the first hot water inlet valve (61), and the second hot water outlet valve (72) are opened; and tap water enters the first cold water cavity (C) through the first cold water inlet pipe (83) to increase the volume of the first cold water cavity (C), to drive the movable spacer (42) to rotate counterclockwise, and the first hot water cavity (A) and the second cold water cavity (D) are compressed by the movable spacer (42) to have smaller volumes, so that hot water in the first hot water cavity (A) flows out through the first hot water outlet pipe (73) for the user to use, and at the same time, cold water inside the second cold water cavity (D) flows into the water tank (2) through the second cold water outlet pipe (94), thereby replenishing the water heater with water while supplying water for the user to use; and mode II: the second cold water inlet valve (82), the first cold water outlet valve (91), the second hot water outlet valve (72), and the first hot water inlet valve (61) are opened, and the second cold water outlet valve (92), the first cold water inlet valve (81), the second hot water inlet valve (62), and the first hot water outlet valve (71) are opened; and tap water enters the second cold water cavity (D) through the second cold water inlet pipe (84) to increase the volume of the second cold water cavity (D), to drive the movable spacer (42) to rotate clockwise, and the second hot water cavity (B) and the first cold water cavity (C) are compressed by the movable spacer (42) to have smaller volumes, so that hot water in the second hot water cavity (B) flows out through the second hot water outlet pipe (74) for the user to use, and at the same time, cold water inside the first cold water cavity (C) flows into the water tank (2) through the first cold water outlet pipe (93), thereby replenishing the water heater with water while supplying water for the user to use.
- 8. The method according to claim 7, wherein when the solar water heater is in the mode I, the two-position three-way solenoid valve (5) is controlled to act, so that the water inlet and the water outlet thereof are in communication with each other, and the second hot water cavity (B) is replenished with hot water inside the water tank (2) through the hot water conveying pipe (3) and the second hot water inlet valve (62); and when the solar water heater is in the mode II, the two-position three-way solenoid valve (5) is controlled to act, so that the water inlet and the water outlet thereof are in communication with each other, and the first hot water cavity (A) is replenished with hot water inside the water tank (2) through the hot water conveying pipe (3) and the first hot water inlet valve (61).
- 9. The method according to claim 7, wherein when the movable spacer (42) rotates to alimit position, switching is performed between the mode I and the mode II.
- 10. The method according to claim 7, wherein a rotation angle of the movable spacer (42) isdetected by using the position sensor.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010473922.X | 2020-05-29 | ||
| CN202010473922.XA CN111595036B (en) | 2020-05-29 | 2020-05-29 | Intelligent solar water heater system |
| PCT/CN2021/087647 WO2021238494A1 (en) | 2020-05-29 | 2021-04-16 | Smart solar water heater system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2021203439A1 AU2021203439A1 (en) | 2021-06-17 |
| AU2021203439B2 true AU2021203439B2 (en) | 2022-03-17 |
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ID=76327842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2021203439A Active AU2021203439B2 (en) | 2020-05-29 | 2021-04-16 | Intelligent solar water heater system |
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| Country | Link |
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| AU (1) | AU2021203439B2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120266864A1 (en) * | 2009-11-10 | 2012-10-25 | Alan Derek Wright | Solar heating and pasteurisation system |
-
2021
- 2021-04-16 AU AU2021203439A patent/AU2021203439B2/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120266864A1 (en) * | 2009-11-10 | 2012-10-25 | Alan Derek Wright | Solar heating and pasteurisation system |
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| AU2021203439A1 (en) | 2021-06-17 |
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