CN209608562U - A kind of photovoltaic temperature difference combined power generation device with accumulation of heat - Google Patents
A kind of photovoltaic temperature difference combined power generation device with accumulation of heat Download PDFInfo
- Publication number
- CN209608562U CN209608562U CN201821747897.4U CN201821747897U CN209608562U CN 209608562 U CN209608562 U CN 209608562U CN 201821747897 U CN201821747897 U CN 201821747897U CN 209608562 U CN209608562 U CN 209608562U
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- heat
- accumulation
- photovoltaic cell
- cabinet
- thermoelectric generator
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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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- 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
- Y02E10/50—Photovoltaic [PV] energy
-
- 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
- Y02E10/60—Thermal-PV hybrids
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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a kind of, and the photovoltaic temperature difference combined power generation device with accumulation of heat includes photovoltaic cell, accumulation of heat cabinet, semiconductor thermoelectric generator, fin radiator piece.Phase-change material is filled in heat storage tank body, and installs fin or foam metal additional in cabinet to improve the heating conduction of accumulation of heat cabinet.While the present invention is using phase change heat storage material storage photovoltaic cell backplane waste heat, the temperature raising that can be avoided photovoltaic cell is too big, therefore can be improved the generating efficiency of photovoltaic cell.In addition, the waste heat energy that phase-change material stores is converted to electric energy using semiconductor thermoelectric generator, the whole utilization rate of solar energy can not only be improved, and generated energy can be reduced with the fluctuation of illumination condition, obtains relatively stable generated output.
Description
Technical field
The utility model belongs to field of solar energy utilization, combines more particularly, to a kind of photovoltaic temperature difference with accumulation of heat
Power generator.
Background technique
Solar energy has the advantages of widely distributed, clean and environmental protection, has become one of most important renewable energy.As
A kind of technology of mature and reliable, solar energy power generating have been used widely.However since the whole day of illumination condition is distributed
Unevenly, the fluctuation of photovoltaic power generation quantity whole day is larger, utilizes it and is restricted.In addition, the generating efficiency of photovoltaic cell generally exists
Within 15%, remaining energy is scattered and disappeared in environment in the form of heat, this not only causes the waste of energy, but also causes photovoltaic
The raising of battery temperature.And the generating efficiency of photovoltaic cell is directly related with temperature, temperature is higher, and generating efficiency is lower.Therefore
It is effectively radiated to photovoltaic cell and effective utilization can be carried out to waste heat, the power generation effect of photovoltaic cell can not only be improved
Rate, and the utilization rate of solar energy can be further increased, this is for the efficient important using having with energy-saving and emission-reduction of the energy
Meaning.
Summary of the invention
In view of this, the utility model is directed to a kind of photovoltaic temperature difference combined power generation device with accumulation of heat, lead to
It crosses to recycle photovoltaic waste heat using phase change heat storage material and store, and the part of waste heat can be converted into electricity using thermoelectric generator
Can, to make full use of solar energy, improve the generating efficiency of solar energy.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of photovoltaic temperature difference combined power generation device with accumulation of heat, including photovoltaic cell, accumulation of heat cabinet, semiconductor temperature
Poor electric organ, radiator fin, the photovoltaic cell connect accumulation of heat cabinet, are additionally provided with thermal conductive silicon between photovoltaic cell and accumulation of heat cabinet
Rouge, the hot face of the accumulation of heat cabinet connection semiconductor thermoelectric generator, between the accumulation of heat cabinet and semiconductor thermoelectric generator
Be additionally provided with heat-conducting silicone grease, the cold end of the semiconductor thermoelectric generator connects radiator fin, the semiconductor thermoelectric generator with
Heat-conducting silicone grease is additionally provided between radiator fin；Phase-change material is filled in the heat storage tank body.
Further, fin or foam metal are equipped in the heat storage tank body, to improve the heating conduction of accumulation of heat cabinet.
Further, by screw or clamp between the photovoltaic cell and accumulation of heat cabinet, to reduce contact surface
Heat transfer resistance.
Further, by screw or clamp between the accumulation of heat cabinet and semiconductor thermoelectric generator, to subtract
The heat transfer resistance of few contact surface.
Further, by screw or clamp between the semiconductor thermoelectric generator and radiator fin, to subtract
The heat transfer resistance of few contact surface.
Compared with the existing technology, a kind of photovoltaic temperature difference combined power generation device with accumulation of heat described in the utility model
It has the advantage that
While the utility model is using phase change heat storage material storage photovoltaic back waste heat, the temperature of photovoltaic back can be avoided
Degree raising is too big, therefore can be improved the generating efficiency of photovoltaic cell.In addition, using semiconductor thermoelectric generator by phase-change material
The waste heat energy of storage is converted to electric energy, can not only improve the whole utilization rate of solar energy, and can reduce generated energy with
The fluctuation of illumination condition obtains relatively stable generated output.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.In
In attached drawing:
Fig. 1 is a kind of photovoltaic temperature difference combined power generation device structure with accumulation of heat described in the utility model embodiment
Schematic diagram.
Description of symbols:
1- photovoltaic cell；2- accumulation of heat cabinet；3- semiconductor thermoelectric generator；4- radiator fin.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the photovoltaic temperature difference combined power generation device described in the utility model with accumulation of heat includes photovoltaic
Battery 1, accumulation of heat cabinet 2, semiconductor thermoelectric generator 3, radiator fin 4.Between photovoltaic cell 1 and accumulation of heat cabinet 2, accumulation of heat cabinet
Heat-conducting silicone grease is smeared respectively between 2 and semiconductor thermoelectric generator 3, between semiconductor thermoelectric generator 3 and radiator fin 4, with
Reduce the thermal resistance of contact surface；Phase-change material is filled in accumulation of heat cabinet 2, and installs fin or foam metal additional in cabinet to improve
The heating conduction of accumulation of heat cabinet；Photovoltaic cell 1, semiconductor thermoelectric generator 3, relies on spiral shell between radiator fin 4 at accumulation of heat cabinet 2
Silk or clamp are to reduce the heat transfer resistance of contact surface.
Photovoltaic temperature difference combined power generation device provided by the utility model with accumulation of heat, basic principle: sunlight
When being irradiated to photovoltaic cell 1, photovoltaic cell is produced electricl energy, and the phase change heat storage material in accumulation of heat cabinet 2 absorbs 1 back side of photovoltaic cell
Heat to undergoing phase transition, the temperature of photovoltaic back 1 can be maintained within a certain range by this aspect, avoid its temperature liter
Width is too big, to improve the generating efficiency of photovoltaic cell 1, on the other hand, stores photovoltaic waste heat using the phase transformation of heat-storing material,
Heat is provided for semiconductor thermoelectric generator 3 and is generated electricity, therefore can further increase the comprehensive electric generating efficiency of solar energy.Heat dissipation
Device piece 4 can further decrease 3 cold junction temperature of semiconductor thermoelectric generator to improve the power generation of semiconductor thermoelectric generator 3 effect
Rate.
Photovoltaic temperature difference combined power generation device provided by the utility model with accumulation of heat regulates and controls process: working as light
When according to condition abundance, photovoltaic power generation quantity is larger at this time, and using heat-storing material phase-change thermal storage, semiconductor thermoelectric generator 3 does not work；
When illumination condition is poor, photovoltaic power generation quantity is reduced at this time, discharges heat using the solidification of heat-storing material in accumulation of heat cabinet 2, from
And semiconductor thermoelectric generator 3 is enabled to have certain electricity output, to compensate for asking for photovoltaic cell capable of generating power amount reduction
Topic, therefore system output performance can be made more stable.
The utility model carries out accumulation of heat by the phase transformation of phase-change material, heat storage capacity will much higher than traditional metal etc. other
Heat accumulation plate, due to storing waste heat by the phase transformation of phase-change material, phase transition heat accumulation unit is directly contacted with photovoltaic cell, heat-accumulating process
Middle phase-change material is undergone phase transition and temperature is held essentially constant, therefore photovoltaic battery temperature can be made to be maintained at certain temperature model
It encloses, will not heat up excessive, and the lower generating efficiency of the temperature of photovoltaic cell is bigger, therefore the generating efficiency of photovoltaic cell can be made to protect
It holds in higher level；Thermo-electric generation is carried out by the accumulation of heat of phase-change material, it can be in the case where illumination condition be small, by the temperature difference
Power generation carrys out the generated energy of replenishment system, therefore influence of the variation of illumination condition to system power generation performance weakens, system stability
More preferably.
The utility model structure is simpler, can be applied to common photovoltaic cell, therefore can facilitate the existing photovoltaic of transformation
System is more widely applied.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (1)
1. a kind of photovoltaic temperature difference combined power generation device with accumulation of heat, it is characterised in that: including photovoltaic cell, heat storage tank
Body, semiconductor thermoelectric generator, radiator fin, the photovoltaic cell connects accumulation of heat cabinet, between photovoltaic cell and accumulation of heat cabinet
It is additionally provided with heat-conducting silicone grease, the hot face of the accumulation of heat cabinet connection semiconductor thermoelectric generator, the accumulation of heat cabinet and semiconductor temperature
Heat-conducting silicone grease is additionally provided between poor electric organ, the cold end of the semiconductor thermoelectric generator connects radiator fin, the semiconductor
Heat-conducting silicone grease is additionally provided between thermoelectric generator and radiator fin；Phase-change material is filled in the heat storage tank body；The heat storage tank
It is equipped with fin or foam metal, in vivo to improve the heating conduction of accumulation of heat cabinet；Between the photovoltaic cell and accumulation of heat cabinet
By screw or clamp, to reduce the heat transfer resistance of contact surface；The accumulation of heat cabinet and semiconductor thermoelectric generator it
Between by screw or clamp, to reduce the heat transfer resistance of contact surface；The semiconductor thermoelectric generator and radiator fin
Between by screw or clamp, to reduce the heat transfer resistance of contact surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821747897.4U CN209608562U (en) | 2018-10-26 | 2018-10-26 | A kind of photovoltaic temperature difference combined power generation device with accumulation of heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821747897.4U CN209608562U (en) | 2018-10-26 | 2018-10-26 | A kind of photovoltaic temperature difference combined power generation device with accumulation of heat |
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| Publication Number | Publication Date |
|---|---|
| CN209608562U true CN209608562U (en) | 2019-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821747897.4U Active CN209608562U (en) | 2018-10-26 | 2018-10-26 | A kind of photovoltaic temperature difference combined power generation device with accumulation of heat |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111404478A (en) * | 2020-04-20 | 2020-07-10 | 苏州联胜化学有限公司 | Photovoltaic photo-thermal temperature difference power generation assembly and power generation system |
| CN112688592A (en) * | 2020-12-16 | 2021-04-20 | 四川大学 | Uninterrupted photovoltaic power generation system used in high day and night temperature difference environment |
| CN113014181A (en) * | 2021-03-08 | 2021-06-22 | 深圳市城市交通规划设计研究中心股份有限公司 | Luminous road surface component of high-efficient electricity generation |
| CN113162539A (en) * | 2021-04-28 | 2021-07-23 | 哈尔滨工业大学 | Energy utilization device for controlling temperature of photovoltaic cell |
| CN113757058A (en) * | 2021-09-14 | 2021-12-07 | 哈尔滨工程大学 | Composite power generation system based on solar energy and phase-change heat storage device |
| CN113790133A (en) * | 2021-09-14 | 2021-12-14 | 哈尔滨工程大学 | Power generation system of underwater power device based on solar energy-ocean temperature difference energy |
-
2018
- 2018-10-26 CN CN201821747897.4U patent/CN209608562U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111404478A (en) * | 2020-04-20 | 2020-07-10 | 苏州联胜化学有限公司 | Photovoltaic photo-thermal temperature difference power generation assembly and power generation system |
| CN112688592A (en) * | 2020-12-16 | 2021-04-20 | 四川大学 | Uninterrupted photovoltaic power generation system used in high day and night temperature difference environment |
| CN113014181A (en) * | 2021-03-08 | 2021-06-22 | 深圳市城市交通规划设计研究中心股份有限公司 | Luminous road surface component of high-efficient electricity generation |
| CN113162539A (en) * | 2021-04-28 | 2021-07-23 | 哈尔滨工业大学 | Energy utilization device for controlling temperature of photovoltaic cell |
| CN113162539B (en) * | 2021-04-28 | 2022-09-13 | 哈尔滨工业大学 | Energy utilization device for temperature control of photovoltaic cell |
| CN113757058A (en) * | 2021-09-14 | 2021-12-07 | 哈尔滨工程大学 | Composite power generation system based on solar energy and phase-change heat storage device |
| CN113790133A (en) * | 2021-09-14 | 2021-12-14 | 哈尔滨工程大学 | Power generation system of underwater power device based on solar energy-ocean temperature difference energy |
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