CN204285853U - A kind of solar energy air heat collector utilizing universal heat collector tube - Google Patents

A kind of solar energy air heat collector utilizing universal heat collector tube Download PDF

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Publication number
CN204285853U
CN204285853U CN201420649191.XU CN201420649191U CN204285853U CN 204285853 U CN204285853 U CN 204285853U CN 201420649191 U CN201420649191 U CN 201420649191U CN 204285853 U CN204285853 U CN 204285853U
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China
Prior art keywords
heat
pipe
universal
heat collector
collector
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Expired - Fee Related
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CN201420649191.XU
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Chinese (zh)
Inventor
罗会龙
向开根
古正刚
向开明
王霜
田盼雨
林辩启
王浩
马瑞芳
吴帧芬
钟毅
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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Priority to CN201420649191.XU priority Critical patent/CN204285853U/en
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    • 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

Abstract

The utility model relates to a kind of solar energy air heat collector utilizing universal heat collector tube, belongs to solar thermal collector technical field.The utility model comprises clear glass cover plate I, heat absorption base plate, universal heat pipe, collecting pipe, cool air inlet, hot air outlet, clear glass cover plate II, heat-insulation layer, heat collector backboard, insulation shell.The utility model has used the Ω shape hollow microchannel heat collection technology of universal heat pipe, there is more superior thermal-arrest and heat transfer efficiency, not only effectively can overcome the numerous inconvenience of gravity assisted heat pipe heat collector on application place and installing space, and, under more efficiently heat transfer property and active area, thermal-arrest air themperature can be improved further, strengthen heat collector collecting efficiency.

Description

A kind of solar energy air heat collector utilizing universal heat collector tube
Technical field
The utility model relates to a kind of solar energy air heat collector utilizing universal heat collector tube, belongs to solar thermal collector technical field.
Background technology
Heat pipe has that heat transfer coefficient is high, heat transfer temperature difference is little and many good characteristics such as unidirectional heat transfer.At present, existing heat pipe is mainly divided into gravity assisted heat pipe and liquid-sucking core heat pipe two class.Reasonable Arrangement take heat pipe as thermal-arrest air themperature and the collecting efficiency that the solar thermal collector of thermal-arrest and heat transfer component can improve heat collector further.But on the one hand, gravity assisted heat pipe wants to realize the recirculation of phase-change working substance in pipe, must meet when using and installing evaporator section in below, the requirement of condensation segment mounted angle up, thus utilize intraductal working medium Gravitative Loads to flow back into evaporator section by condensation segment; So, adopt the solar thermal collector of gravity assisted heat pipe inherently on integral thickness or length, to take too much space, so that on application place and installing space, bring inconvenience to heat collector.On the other hand, although liquid-sucking core heat pipe do not need evaporator section under, condensation segment under installation requirement, overcome the deficiency of gravity assisted heat pipe mounted angle, and can realize the installation of any direction, but liquid-sucking core heat pipe wants to realize these functions, complete the recirculation of phase-change working substance in pipe, so liquid-sucking core will be set in pipe, thus utilize the capillary force effect of liquid-sucking core that the liquid refrigerant of condensation segment is aspirated back evaporator section, so that the recirculation of intraductal working medium.
Summary of the invention
The technical problems to be solved in the utility model is: the utility model provides a kind of solar energy air heat collector utilizing universal heat collector tube, use the Ω shape hollow microchannel heat collection technology of universal heat pipe, increase effective thermal-arrest and the heat exchange area of this novel heat collector as much as possible, on the one hand, effectively can overcome gravity assisted heat pipe heat collector in appearance and size, numerous deficiencies on application place and installing space, secondly, under more efficiently heat transfer property and thermal-arrest and the effect of thermal convection current area, effectively can improve the effective solar radiant energy of heat collector, play the thermal convection current effect of heat pipe outer surface and heat absorption base plate, further raising thermal-arrest air themperature, strengthen heat collector collecting efficiency.
Technical solutions of the utility model are: a kind of solar energy air heat collector utilizing universal heat collector tube, comprise clear glass cover plate I 1, heat absorption base plate 2, universal heat pipe 3, collecting pipe 4, cool air inlet 5, hot air outlet 6, clear glass cover plate II 7, heat-insulation layer 8, heat collector backboard 9, insulation shell 10, in described insulation shell 10, the inner side of heat collector backboard 9 and side frame is equipped with heat-insulation layer 8, on heat collector backboard 9, heat-insulation layer 8 is provided with heat absorption base plate 2 above, universal heat pipe 3 and collecting pipe 4 are all located on the heat absorption base plate 2 of monoblock, concrete, collecting pipe 4 is arranged on heat absorption base plate 2 centre position, collecting pipe 4 is a confined space, the both sides of collecting pipe 4 confined space are made up of thermal-insulation baffle plate 11, the upside of collecting pipe 4 confined space is provided with independent clear glass cover plate II 7, universal heat pipe 3 is laterally arranged in the both sides of collecting pipe 4 uniformly, and the thermal-insulation baffle plate 11 that passes that the condensation segment of the universal heat pipe 3 of collecting pipe 4 left and right sides replaces interts in collecting pipe 4, universal heat pipe 3 is parallel installation with the horizontal plane at heat absorption base plate 2 place, the both sides, front and back of collecting pipe 4 are provided with cool air inlet 5, hot air outlet 6, cool air inlet 5, hot air outlet 6 and heat collector are imported and exported airduct and are connected, the top of insulation shell 10 seals with one piece of clear glass cover plate I 1 the solar energy air heat collector entirety making described novel universal heat collector tube and forms a confined space,
Described universal heat pipe 3 comprises the hollow microchannel of Ω shape 13, universal heat pipe inner chamber 14, metal tube 15, mental-finned 16; Described metal tube 15 inside is furnished with several for 12 1 weeks by the tiny Ω shape open circles of having dug uniformly along inner tubal wall, and run through the two ends of whole universal heat pipe 3, the inner tubal wall 12 of metal tube 15 inside defines some elongated hollow microchannels 13 of Ω shape, the opening portion of the hollow microchannel of Ω shape 13 is towards universal heat pipe inner chamber 14, and the outer surface of metal tube 15 is provided with mental-finned 16.
Mental-finned 16 surface of described universal heat pipe 3 is black.
Described heat absorption base plate 2 is black.
Described universal heat pipe 3 is on the whole with the version of metal tube outsourcing phase-change heat transfer working medium.Inner at metal tube 15, several within 12 1 weeks, are furnished with uniformly by insculptate tiny Ω shape open circles along inner tubal wall, and run through the two ends of whole universal heat pipe 3, therefore on inner wall of metal tube, define some elongated hollow microchannels 13 of Ω shape, form certain capillary force.
When universal heat pipe 3 evaporator section is heated, heat absorption is evaporated to gaseous state by the liquid refrigerant in pipe, and at this moment, under pressure reduction small between evaporator section and condensation segment, the thermal-arrest working medium of gaseous state can be taken condensation segment to heat and become liquid state again after condensation segment complete heat release; Now, the liquid refrigerant of condensation segment by self capillary force effect, can be sucked back into evaporator section again to realize again circulating by the hollow microchannel 13 of Ω shape.This universal heat pipe 3 does not need to arrange separately liquid-sucking core just can realize any direction installation when concrete engineering is applied, therefore is called universal heat pipe.
The course of work of the present utility model is: during use, and this novel heat collector is installed fixed to be become 0 ~ 90o angle with horizontal plane and to make heat collector surface face solar direction; At the evaporator section of universal heat pipe 3, when sunlight is on heat collector surface, be incident upon in heat collector on the evaporator section surface metal fin 16 of absorb heat base plate 2 and universal heat pipe 3 through clear glass cover plate I 1, universal heat pipe 3 can by self phase-change heat transfer mode, be delivered in the collecting pipe 4 of heat collector by coming from solar radiant energy and heat collector that universal heat pipe 3 evaporator section mental-finned absorbs the heat energy that the base plate 2 that absorbs heat arrives heat pipe evaporator section surface with heat radiation and heat convection mode after absorbing sun heat radiation, i.e. the condensation segment of universal heat pipe.Cold air enters collecting pipe 4 by air intake 5, in collecting pipe 4, air by with come from solar radiant energy that in heat pipe 3 condensation segment mental-finned, collecting pipe 4, heat absorption base plate 2 absorbs and realize energy exchange from the effective radiant energy of universal heat pipe evaporator section with the form of heat convection, add hot-air, finally exported by hot air outlet 6 by the hot-air heated;
Described universal heat pipe 3, inner at metal tube 15, several within 12 1 weeks, are furnished with uniformly by insculptate tiny Ω shape open circles along inner tubal wall, and run through the two ends of whole universal heat pipe 3, therefore on inner wall of metal tube, define some elongated hollow microchannels 13 of Ω shape, form certain capillary force, make universal heat pipe can be parallel to the horizontal plane at heat absorption place, floor when mounted, see Fig. 2; Meanwhile, being provided with ferrous metal fin 16 at metal tube 15 outer surface can increase tube surface effective area, improves heat absorption and the heat dispersion of tube surface.In addition, the heat absorption base plate 2 of entire surface by blacking in this novel heat collector, can increase the thermal convection current of heat collector effective endotherm area and exploitation, utilization heat absorption base plate 2 further.Like this, compare gravity assisted heat pipe heat collector, on the one hand, the effect of Ω shape hollow microchannel 13 capillary force makes universal heat pipe 3 in use not by the restriction of mounted angle, effectively can improve heat collector from the deficiency in the overall dimensions such as thickness or length, thus overcome the numerous inconvenience of gravity assisted heat pipe heat collector on application place and installing space.On the other hand, the heat that universal heat pipe 3 evaporator section absorbs, except deriving from the sun heat radiation of evaporator section mental-finned 16, also add heat radiation and the thermal convection current on heat absorption base plate 2 opposite heat tube evaporator section surface after absorbing sun heat radiation; Meanwhile, at the heat of universal heat pipe 3 condensation segment and thermal-arrest media implementation heat convection, except the effective solar radiant energy coming from evaporator section, also add the sun heat radiation that in collecting pipe 4, heat absorption base plate 2 and heat pipe condenser section mental-finned 16 absorb.
Select universal heat pipe 3, and the heat absorption base plate 2(of heat collector inside can be adopted aluminum soleplate) and mental-finned 16 blacking on all universal heat pipe 3 surfaces; At universal heat pipe evaporator section, the solar radiant energy that mental-finned 16 absorbs and heat collector interior heat absorption base plate 2 arrive the heat energy on heat pipe evaporator section surface after absorbing sun heat radiation with heat radiation and heat convection mode, be transferred to the condensation segment of heat pipe by the mode of universal self phase-change heat transfer of heat pipe 3; At the condensation segment of universal heat pipe 3, the solar radiant energy that mental-finned 16 and heat collector interior heat absorption base plate 2 absorb and the effective heat energy from heat pipe evaporator section, energy exchange is realized with thermal-arrest medium with the form of heat convection by the collecting pipe 4 of heat collector, thus heating thermal-arrest medium.
In the utility model, universal heat pipe 3 is on the whole with the version of metal tube 15 outsourcing phase-change heat transfer working medium.Inner at metal tube 15, because universal heat pipe 3 inner tubal wall 12 is provided with the hollow microchannel 13 of tiny Ω shape, the capillary force effect produced achieves installs with plane-parallel, the numerous unfavorable factors of gravity assisted heat pipe heat collector on appearance and size, application place and installing space can be effectively prevent, and, the hollow microchannel 13 of Ω shape, compared with liquid-sucking core, has more superior thermal-arrest and heat transfer efficiency; Metal tube 15 outer surface is provided with mental-finned 16 can increase tube surface effective active area, improves heat absorption and the heat dispersion of tube surface.
In addition, the solar energy air heat collector of what the utility model related to utilize universal heat pipe 3 thermal-arrest, in heat collector, the heat absorption base plate 2 of monoblock by blacking can improve and improve the performance such as effective sun heat radiation and heat convection of this novel heat collector especially.Thus the utility model is integrated with the advantage of gravity assisted heat pipe thermal-arrest and flat heat collecting, and overcome the two respective shortcoming, improve effective solar radiant energy of heat collector, the thermal convection current effect of development and utilization tube surface and heat absorption base plate, further raising thermal-arrest air themperature, strengthens heat collector collecting efficiency.
The beneficial effects of the utility model are: this heat collector is compared with gravity assisted heat pipe heat collector, on the one hand, universal heat pipe self has lacked mounted angle, avoid gravity assisted heat pipe heat collector in appearance and size, numerous unfavorable factors on application place and installing space, install more free, secondly, Ω hollow shape microchannel heat collection technology due to universal heat pipe is better than the liquid-sucking core parts in liquid-sucking core heat pipe in performance, add that in heat pipe outer surface fin and heat collector, heat absorption base plate can increase the effective endotherm area of heat collector and heat convection effect further, so, universal heat pipe self has more superior thermal-arrest and heat transfer efficiency, and compared with gravity assisted heat pipe heat collector, this kind utilizes the solar energy air heat collector of universal heat collector tube under more efficiently heat transfer property and thermal-arrest and the effect of thermal convection current area, thermal-arrest air themperature can be improved further, strengthen heat collector collecting efficiency, this heat collector will have more wide application prospect in the fields such as drying and heating.
Accompanying drawing explanation
Fig. 1 is the universal heat pipe cross-sectional view of the utility model;
Fig. 2 is the utility model cross-sectional view;
Fig. 3 is the utility model structural representation.
Each label in Fig. 1-3: 1-clear glass cover plate I, 2-heat absorption base plate, the universal heat pipe of 3-, 4-collecting pipe, 5-cool air inlet, 6-hot air outlet, 7-clear glass cover plate II, 8-heat-insulation layer, 9-heat collector backboard, 10-insulation shell, 11-thermal-insulation baffle plate, 12-inner tubal wall, the hollow microchannel of 13-Ω shape, the universal heat pipe inner chamber of 14-, 15-metal tube, 16-mental-finned.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1: as Figure 1-3, utilize a solar energy air heat collector for universal heat collector tube, comprise clear glass cover plate I 1, heat absorption base plate 2, universal heat pipe 3, collecting pipe 4, cool air inlet 5, hot air outlet 6, clear glass cover plate II 7, heat-insulation layer 8, heat collector backboard 9, insulation shell 10, in described insulation shell 10, the inner side of heat collector backboard 9 and side frame is equipped with heat-insulation layer 8, on heat collector backboard 9, heat-insulation layer 8 is provided with heat absorption base plate 2 above, universal heat pipe 3 and collecting pipe 4 are all located on the heat absorption base plate 2 of monoblock, concrete, collecting pipe 4 is arranged on heat absorption base plate 2 centre position, collecting pipe 4 is a confined space, the both sides of collecting pipe 4 confined space are made up of thermal-insulation baffle plate 11, the upside of collecting pipe 4 confined space is provided with independent clear glass cover plate II 7, universal heat pipe 3 is laterally arranged in the both sides of collecting pipe 4 uniformly, and the thermal-insulation baffle plate 11 that passes that the condensation segment of the universal heat pipe 3 of collecting pipe 4 left and right sides replaces interts in collecting pipe 4, universal heat pipe 3 is parallel installation with the horizontal plane at heat absorption base plate 2 place, the both sides, front and back of collecting pipe 4 are provided with cool air inlet 5, hot air outlet 6, cool air inlet 5, hot air outlet 6 and heat collector are imported and exported airduct and are connected, the top of insulation shell 10 seals with one piece of clear glass cover plate I 1 the solar energy air heat collector entirety making described novel universal heat collector tube and forms a confined space,
Described universal heat pipe 3 comprises the hollow microchannel of Ω shape 13, universal heat pipe inner chamber 14, metal tube 15, mental-finned 16; Described metal tube 15 inside is furnished with several for 12 1 weeks by the tiny Ω shape open circles of having dug uniformly along inner tubal wall, and run through the two ends of whole universal heat pipe 3, the inner tubal wall 12 of metal tube 15 inside defines some elongated hollow microchannels 13 of Ω shape, the opening portion of the hollow microchannel of Ω shape 13 is towards universal heat pipe inner chamber 14, and the outer surface of metal tube 15 is provided with mental-finned 16.
Embodiment 2: as Figure 1-3, utilize a solar energy air heat collector for universal heat collector tube, comprise clear glass cover plate I 1, heat absorption base plate 2, universal heat pipe 3, collecting pipe 4, cool air inlet 5, hot air outlet 6, clear glass cover plate II 7, heat-insulation layer 8, heat collector backboard 9, insulation shell 10, in described insulation shell 10, the inner side of heat collector backboard 9 and side frame is equipped with heat-insulation layer 8, on heat collector backboard 9, heat-insulation layer 8 is provided with heat absorption base plate 2 above, universal heat pipe 3 and collecting pipe 4 are all located on the heat absorption base plate 2 of monoblock, concrete, collecting pipe 4 is arranged on heat absorption base plate 2 centre position, collecting pipe 4 is a confined space, the both sides of collecting pipe 4 confined space are made up of thermal-insulation baffle plate 11, the upside of collecting pipe 4 confined space is provided with independent clear glass cover plate II 7, universal heat pipe 3 is laterally arranged in the both sides of collecting pipe 4 uniformly, and the thermal-insulation baffle plate 11 that passes that the condensation segment of the universal heat pipe 3 of collecting pipe 4 left and right sides replaces interts in collecting pipe 4, universal heat pipe 3 is parallel installation with the horizontal plane at heat absorption base plate 2 place, the both sides, front and back of collecting pipe 4 are provided with cool air inlet 5, hot air outlet 6, cool air inlet 5, hot air outlet 6 and heat collector are imported and exported airduct and are connected, the top of insulation shell 10 seals with one piece of clear glass cover plate I 1 the solar energy air heat collector entirety making described novel universal heat collector tube and forms a confined space,
Described universal heat pipe 3 comprises the hollow microchannel of Ω shape 13, universal heat pipe inner chamber 14, metal tube 15, mental-finned 16; Described metal tube 15 inside is furnished with several for 12 1 weeks by the tiny Ω shape open circles of having dug uniformly along inner tubal wall, and run through the two ends of whole universal heat pipe 3, the inner tubal wall 12 of metal tube 15 inside defines some elongated hollow microchannels 13 of Ω shape, the opening portion of the hollow microchannel of Ω shape 13 is towards universal heat pipe inner chamber 14, and the outer surface of metal tube 15 is provided with mental-finned 16.
Mental-finned 16 surface of described universal heat pipe 3 is black.
Embodiment 3: as Figure 1-3, utilize a solar energy air heat collector for universal heat collector tube, comprise clear glass cover plate I 1, heat absorption base plate 2, universal heat pipe 3, collecting pipe 4, cool air inlet 5, hot air outlet 6, clear glass cover plate II 7, heat-insulation layer 8, heat collector backboard 9, insulation shell 10, in described insulation shell 10, the inner side of heat collector backboard 9 and side frame is equipped with heat-insulation layer 8, on heat collector backboard 9, heat-insulation layer 8 is provided with heat absorption base plate 2 above, universal heat pipe 3 and collecting pipe 4 are all located on the heat absorption base plate 2 of monoblock, concrete, collecting pipe 4 is arranged on heat absorption base plate 2 centre position, collecting pipe 4 is a confined space, the both sides of collecting pipe 4 confined space are made up of thermal-insulation baffle plate 11, the upside of collecting pipe 4 confined space is provided with independent clear glass cover plate II 7, universal heat pipe 3 is laterally arranged in the both sides of collecting pipe 4 uniformly, and the thermal-insulation baffle plate 11 that passes that the condensation segment of the universal heat pipe 3 of collecting pipe 4 left and right sides replaces interts in collecting pipe 4, universal heat pipe 3 is parallel installation with the horizontal plane at heat absorption base plate 2 place, the both sides, front and back of collecting pipe 4 are provided with cool air inlet 5, hot air outlet 6, cool air inlet 5, hot air outlet 6 and heat collector are imported and exported airduct and are connected, the top of insulation shell 10 seals with one piece of clear glass cover plate I 1 the solar energy air heat collector entirety making described novel universal heat collector tube and forms a confined space,
Described universal heat pipe 3 comprises the hollow microchannel of Ω shape 13, universal heat pipe inner chamber 14, metal tube 15, mental-finned 16; Described metal tube 15 inside is furnished with several for 12 1 weeks by the tiny Ω shape open circles of having dug uniformly along inner tubal wall, and run through the two ends of whole universal heat pipe 3, the inner tubal wall 12 of metal tube 15 inside defines some elongated hollow microchannels 13 of Ω shape, the opening portion of the hollow microchannel of Ω shape 13 is towards universal heat pipe inner chamber 14, and the outer surface of metal tube 15 is provided with mental-finned 16.
Mental-finned 16 surface of described universal heat pipe 3 is black.
Described heat absorption base plate 2 is black.
By reference to the accompanying drawings specific embodiment of the utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from the utility model aim.

Claims (3)

1. utilize a solar energy air heat collector for universal heat collector tube, it is characterized in that: comprise clear glass cover plate I (1), heat absorption base plate (2), universal heat pipe (3), collecting pipe (4), cool air inlet (5), hot air outlet (6), clear glass cover plate II (7), heat-insulation layer (8), heat collector backboard (9), insulation shell (10), in described insulation shell (10), the inner side of heat collector backboard (9) and side frame is equipped with heat-insulation layer (8), heat absorption base plate (2) is provided with above the upper heat-insulation layer (8) of heat collector backboard (9), universal heat pipe (3) and collecting pipe (4) are all located on the heat absorption base plate (2) of monoblock, concrete, collecting pipe (4) is arranged on heat absorption base plate (2) centre position, collecting pipe (4) is a confined space, the both sides of collecting pipe (4) confined space are made up of thermal-insulation baffle plate (11), the upside of collecting pipe (4) confined space is provided with independent clear glass cover plate II (7), universal heat pipe (3) is laterally arranged in the both sides of collecting pipe (4) uniformly, and the thermal-insulation baffle plate (11) that passes that the condensation segment of the universal heat pipe (3) of collecting pipe (4) left and right sides replaces interts in collecting pipe (4), universal heat pipe (3) is parallel installation with the horizontal plane at heat absorption base plate (2) place, the both sides, front and back of collecting pipe (4) are provided with cool air inlet (5), hot air outlet (6), cool air inlet (5), hot air outlet (6) and heat collector are imported and exported airduct and are connected, the top of insulation shell (10) seals with one piece of clear glass cover plate I (1) the solar energy air heat collector entirety making described novel universal heat collector tube and forms a confined space,
Described universal heat pipe (3) comprises the hollow microchannel of Ω shape (13), universal heat pipe inner chamber (14), metal tube (15), mental-finned (16); Described metal tube (15) inside is furnished with several for (12) one weeks by the tiny Ω shape open circles of having dug uniformly along inner tubal wall, and run through the two ends of whole universal heat pipe (3), the inner tubal wall (12) that metal tube (15) is inner defines some elongated hollow microchannels of Ω shape (13), the opening portion of the hollow microchannel of Ω shape (13) is towards universal heat pipe inner chamber (14), and the outer surface of metal tube (15) is provided with mental-finned (16).
2. the solar energy air heat collector utilizing universal heat collector tube according to claim 1, is characterized in that: mental-finned (16) surface of described universal heat pipe (3) is black.
3. the solar energy air heat collector utilizing universal heat collector tube according to claim 1, is characterized in that: described heat absorption base plate (2) is black.
CN201420649191.XU 2014-11-04 2014-11-04 A kind of solar energy air heat collector utilizing universal heat collector tube Expired - Fee Related CN204285853U (en)

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Application Number Priority Date Filing Date Title
CN201420649191.XU CN204285853U (en) 2014-11-04 2014-11-04 A kind of solar energy air heat collector utilizing universal heat collector tube

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT109410A (en) * 2016-05-25 2017-11-27 Manuel Gaspar Da Ponte Rui SOLAR COLLECTOR MONITOR FOR GENERIC FLUID HEATING

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT109410A (en) * 2016-05-25 2017-11-27 Manuel Gaspar Da Ponte Rui SOLAR COLLECTOR MONITOR FOR GENERIC FLUID HEATING

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