CN203364431U - Two-stage thermal insulation system of photovoltaic power generation assembly - Google Patents

Two-stage thermal insulation system of photovoltaic power generation assembly Download PDF

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Publication number
CN203364431U
CN203364431U CN 201320450119 CN201320450119U CN203364431U CN 203364431 U CN203364431 U CN 203364431U CN 201320450119 CN201320450119 CN 201320450119 CN 201320450119 U CN201320450119 U CN 201320450119U CN 203364431 U CN203364431 U CN 203364431U
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CN
China
Prior art keywords
heat
preserving container
stage
power generation
photovoltaic power
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Expired - Fee Related
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CN 201320450119
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Chinese (zh)
Inventor
贾虎
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Anhui University of Technology AHUT
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Anhui University of Technology AHUT
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Priority to CN 201320450119 priority Critical patent/CN203364431U/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

Abstract

The utility model discloses a two-stage thermal insulation system of a photovoltaic power generation assembly and belongs to the technical field of solar energy comprehensive utilization. The two-stage thermal insulation system of the photovoltaic power generation assembly comprises a thermal collector and a two-stage thermal insulation mechanism, wherein the thermal collector is internally provided with a photovoltaic power generation assembly and a thermal collection pipeline, the thermal collection pipeline is arranged on the backlight side of the photovoltaic power generation assembly, one port of the thermal collection pipeline is connected to the top of a first-stage insulation barrel, the other port of the thermal collection pipeline is connected to the bottom of the first-stage insulation barrel by virtue of a first water pump, the top of the first-stage insulation barrel is connected to a running water pipeline by virtue of an electromagnetic valve, a water level and temperature sensor is arranged on the side wall of the first-stage insulation barrel, a water outlet in the bottom of the first-stage insulation barrel is connected to the top of a second-stage insulation barrel by virtue of a second water pump, and the electromagnetic valve, the water level and temperature sensor and the second water pump are respectively connected with a temperature control device. The two-stage thermal insulation system of the photovoltaic power generation assembly can guarantee that the temperature of the solar photovoltaic power generation assembly is not too high, the service life of the photovoltaic power generation assembly is prolonged, and high photoelectric conversion efficiency is maintained.

Description

A kind of secondary heat-insulation system of photovoltaic electrification component
Technical field
The utility model relates to solar energy composite and utilizes technical field, more particularly, relates to a kind of secondary heat-insulation system of photovoltaic electrification component.
Background technology
Along with the scarcity day by day of fossil energy, the development of new forms of energy, regenerative resource obtains people's attention day by day.Solar energy is inexhaustible, and solar energy power generating becomes the technical field of new energies that various countries give priority to.The principle of regular solar photovoltaic cell capable of generating power is that sunshine sees through cover plate and EVA shines on photovoltaic cell, after photovoltaic cell absorbs the solar energy see through, change out electric energy less than 20%, all the other convert heat to, absorbed by battery component, finally be dissipated in air.If can not be used, cause larger waste on the one hand, heat can be made the cell panel temperature raise by the photovoltaic module absorption on the other hand, has shortened the life-span of battery component when reducing generating efficiency.
At present, the general user need to utilize solar energy to generate electricity simultaneously and produce hot water, and two cover systems are installed: solar photovoltaic generation system and solar water heating system.The cost that two cover systems need is higher, in the situation that limited the differing of erection space meets user's demand surely.In addition, in existing solar photovoltaic generation system, heat-preserving container is one-level, after water temperature rises to certain value, if hot water can not be drained in time, Heat-collecting effect is understood decrease, even not only can not lower the temperature, also play the intensification effect, the temperature of heat collector goes out much than the temperature of general photovoltaic module is taller, and too high temperature is wasted heat not only, reduce photoelectric transformation efficiency, and shorten the life-span of photovoltaic module.
China Patent No.: ZL200420030245.0, the applying date: on February 2nd, 2004, invention and created name is: the two-stage heating heat-storage type solar energy stove, this application case discloses a kind of two-stage heating heat-storage type solar energy stove, this kitchen range is by the Photospot solar kitchen range, heat-collecting box, solar thermal collector, heat storage tank, cooking stove and the insulating tube of sitting cooker form, solar thermal collector one end that strong heat absorption exothermic liquid working medium is housed is connected with the heat-collecting box at Photospot solar kitchen range focal point place by insulating tube, the other end of heat-collecting box is connected with heat storage tank by insulating tube, the other end of heat storage tank connects cooking stove by insulating tube, the other end of cooking stove connects heat collector.This application case makes the heat energy acting that when and where can use storage, but its two-stage heating structural design can't be applicable to solar photovoltaic generation system.
The utility model content
1. the technical problem that utility model will solve
The purpose of this utility model is to overcome in prior art the heat-preserving container deficiency not good to the photovoltaic electrification component cooling-down effect in solar photovoltaic generation system, a kind of secondary heat-insulation system of photovoltaic electrification component is provided, adopt the technical solution of the utility model, can guarantee that the temperature of solar photovoltaic electrification component is unlikely to too high.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
The secondary heat-insulation system of a kind of photovoltaic electrification component of the present utility model, comprise heat collector, be provided with photovoltaic electrification component and heat collecting pipeline in this heat collector, heat collecting pipeline is positioned at the backlight side of photovoltaic electrification component, also comprise the secondary heat preservation mechanism, this secondary heat preservation mechanism comprises the first water pump, the second water pump, first order heat-preserving container, the water level temperature sensor of holding concurrently, attemperating unit, magnetic valve and second level heat-preserving container, wherein: described heat collecting pipeline one port is connected to the top of first order heat-preserving container, described heat collecting pipeline another port is connected to the bottom of first order heat-preserving container by the first water pump, the top of this first order heat-preserving container is connected to water supply pipe by magnetic valve, this first order heat-preserving container sidewall is provided with the water level temperature sensor of holding concurrently, the delivery port of this first order heat-preserving container bottom is connected to the top of second level heat-preserving container by the second water pump, above-mentioned magnetic valve, the water level temperature sensor of holding concurrently, the second water pump is connected with attemperating unit respectively.
Further improve as the utility model, also comprise assisted heating device, described assisted heating device is installed on heat-preserving container inside, the second level, and the bottom of second level heat-preserving container is provided with flowing water Valve.
As the utility model, further improve, the cross section of described heat collecting pipeline is rectangle, and its sectional dimension is 1.2cm * 2.4cm.
3. beneficial effect
The technical scheme that adopts the utility model to provide, compare with existing known technology, has following beneficial effect:
(1) the secondary heat-insulation system of a kind of photovoltaic electrification component of the present utility model, its secondary heat preservation mechanism comprises first order heat-preserving container and second level heat-preserving container, after the water temperature of first order heat-preserving container rises to certain value, Auto-drainage is to second level heat-preserving container, and inject running water from trend first order heat-preserving container, the temperature that can guarantee like this solar photovoltaic electrification component is unlikely to too high, has extended the service life of photovoltaic electrification component, has kept high photoelectric transformation efficiency;
(2) the secondary heat-insulation system of a kind of photovoltaic electrification component of the present utility model, its heat-preserving container inside, second level is equipped with assisted heating device, in overcast and rainy and winter, can utilize assisted heating device to manufacture hot water;
(3) the secondary heat-insulation system of a kind of photovoltaic electrification component of the present utility model, reasonable in design, principle is simple, is convenient to promote the use of.
The accompanying drawing explanation
The structural representation of the secondary heat-insulation system that Fig. 1 is a kind of photovoltaic electrification component of the present utility model.
Label declaration in schematic diagram:
1, heat collector; 21, the first water pump; 22, the second water pump; 3, first order heat-preserving container; 4, the water level temperature sensor of holding concurrently; 5, attemperating unit; 6, magnetic valve; 7, second level heat-preserving container; 8, assisted heating device.
The specific embodiment
For further understanding content of the present utility model, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
embodiment 1
In conjunction with Fig. 1, the secondary heat-insulation system of a kind of photovoltaic electrification component of the present embodiment, comprise heat collector 1 and secondary heat preservation mechanism, be provided with photovoltaic electrification component and heat collecting pipeline in this heat collector 1, heat collecting pipeline is positioned at the backlight side of photovoltaic electrification component, and the cross section of this described heat collecting pipeline is rectangle, and its sectional dimension is 1.2cm * 2.4cm, the heat collecting pipeline of square-section can increase the heat transfer area of heat collecting pipeline and photovoltaic electrification component backlight side, improves utilization efficiency of heat energy.
Secondary heat preservation mechanism in the present embodiment comprises the first water pump 21, the second water pump 22, first order heat-preserving container 3, the water level temperature sensor 4 of holding concurrently, attemperating unit 5, magnetic valve 6, second level heat-preserving container 7 and assisted heating device 8, wherein: described heat collecting pipeline one port is connected to the top of first order heat-preserving container 3, described heat collecting pipeline another port is connected to the bottom of first order heat-preserving container 3 by the first water pump 21, the top of this first order heat-preserving container 3 is connected to water supply pipe by magnetic valve 6, these first order heat-preserving container 3 sidewalls are provided with the water level temperature sensor 4 of holding concurrently, the delivery port of these first order heat-preserving container 3 bottoms is connected to the top of second level heat-preserving container 7 by the second water pump 22, above-mentioned magnetic valve 6, the water level temperature sensor 4 of holding concurrently, the second water pump 22 is connected with attemperating unit 5 respectively, described assisted heating device 8 is installed on second level heat-preserving container 7 inside, and the bottom of second level heat-preserving container 7 is provided with flowing water Valve.
During use, heat collector 1 in the present embodiment absorbs solar energy, wherein most of (80% ~ 85%) is converted to heat, heat is absorbed by the water in heat collecting pipeline, water by the first water pump 21 as power, carry out forced circulation with the water of 3 li of first order heat-preserving containers, in continuous cyclic process, water temperature is improved and is incubated, after the water temperature of first order heat-preserving container 3 reaches certain value, start the second water pump 22 by attemperating unit 5, the hot water interior first order heat-preserving container 3 is discharged to second level heat-preserving container 7, after draining, attemperating unit 5 starts magnetic valve 6 and add water in first order heat-preserving container 3, the temperature that can guarantee like this photovoltaic electrification component is unlikely to too high, kept high photoelectric transformation efficiency.Dispose assisted heating device 8 in second level heat-preserving container 7, when overcast and rainy heat collector 1 can not meet condition of work or winter, heat-collecting temperature was low, heated by assisted heating device 8.
Below schematically the utility model and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that do not break away from the utility model, create aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.

Claims (3)

1. the secondary heat-insulation system of a photovoltaic electrification component, comprise heat collector (1), this heat collector is provided with photovoltaic electrification component and heat collecting pipeline in (1), heat collecting pipeline is positioned at the backlight side of photovoltaic electrification component, it is characterized in that: also comprise the secondary heat preservation mechanism, this secondary heat preservation mechanism comprises the first water pump (21), the second water pump (22), first order heat-preserving container (3), water level hold concurrently temperature sensor (4), attemperating unit (5), magnetic valve (6) and second level heat-preserving container (7), wherein:
Described heat collecting pipeline one port is connected to the top of first order heat-preserving container (3), described heat collecting pipeline another port is connected to the bottom of first order heat-preserving container (3) by the first water pump (21), the top of this first order heat-preserving container (3) is connected to water supply pipe by magnetic valve (6), this first order heat-preserving container (3) sidewall is provided with the water level temperature sensor (4) of holding concurrently, the delivery port of this first order heat-preserving container (3) bottom is connected to the top of second level heat-preserving container (7) by the second water pump (22), above-mentioned magnetic valve (6), the water level temperature sensor (4) of holding concurrently, the second water pump (22) is connected with attemperating unit (5) respectively.
2. the secondary heat-insulation system of a kind of photovoltaic electrification component according to claim 1, it is characterized in that: also comprise assisted heating device (8), described assisted heating device (8) is installed on second level heat-preserving container (7) inside, and the bottom of second level heat-preserving container (7) is provided with flowing water Valve.
3. the secondary heat-insulation system of a kind of photovoltaic electrification component according to claim 1, it is characterized in that: the cross section of described heat collecting pipeline is rectangle, its sectional dimension is 1.2cm * 2.4cm.
CN 201320450119 2013-07-26 2013-07-26 Two-stage thermal insulation system of photovoltaic power generation assembly Expired - Fee Related CN203364431U (en)

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CN 201320450119 CN203364431U (en) 2013-07-26 2013-07-26 Two-stage thermal insulation system of photovoltaic power generation assembly

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103929117A (en) * 2014-04-30 2014-07-16 安徽工业大学 Concentrating photovoltaic-photo-thermal-wind power-thermoelectricity integrated system
CN109611941A (en) * 2018-12-18 2019-04-12 四川蜀旺新能源股份有限公司 A kind of heat-collection heat-supply system for solar panels
CN109639234A (en) * 2018-12-20 2019-04-16 昆明理工大学 A kind of PV/T system of air cooling and the water cooling combination of the raising photovoltaic thermal efficiency

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103929117A (en) * 2014-04-30 2014-07-16 安徽工业大学 Concentrating photovoltaic-photo-thermal-wind power-thermoelectricity integrated system
CN109611941A (en) * 2018-12-18 2019-04-12 四川蜀旺新能源股份有限公司 A kind of heat-collection heat-supply system for solar panels
CN109639234A (en) * 2018-12-20 2019-04-16 昆明理工大学 A kind of PV/T system of air cooling and the water cooling combination of the raising photovoltaic thermal efficiency

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131225

Termination date: 20140726

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