CN209710039U - Photovoltaic and photothermal solar system - Google Patents
Photovoltaic and photothermal solar system Download PDFInfo
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- CN209710039U CN209710039U CN201920822053.XU CN201920822053U CN209710039U CN 209710039 U CN209710039 U CN 209710039U CN 201920822053 U CN201920822053 U CN 201920822053U CN 209710039 U CN209710039 U CN 209710039U
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- photovoltaic
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- heat exchanger
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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
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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
- Y02E10/60—Thermal-PV hybrids
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Abstract
A kind of photovoltaic and photothermal solar system, belongs to photovoltaic and photothermal technical field.It is followed successively by thermal insulation layer, photovoltaic module, absorber plate, heat-exchanging component and insulating layer from top to bottom in the system cavity；Wherein the core element of photovoltaic module is photovoltaic cell, and absorber plate uses glass substrate, since glass substrate is suitable with the material thermal expansion coefficient of silicon solar cell, when battery work increases its temperature, the thermal stress of contact surface between glass substrate and silicon solar cell can be reduced, the phenomenon that avoiding the fracture of battery caused by thermal stress or connecting wire from falling off, extends the service life of product；And photovoltaic cell, glass substrate and micro-channel heat exchanger are carried out by lamination integration by hot melt adhesive, low loss heat resistance characteristic based on micro-channel heat exchanger profile pattern and hot melt adhesive, reduce the thermal resistance between heat transfer plate and heat-exchanging component, the making step for simplifying product reduces the cost of manufacture of product.
Description
Technical field
The invention belongs to photovoltaic and photothermal technical fields, and in particular to photovoltaic and photothermal solar system.
Background technique
With being constantly progressive for society, scientific and technological rapid development, energy problem becomes the problem of people most pay close attention to.The energy
As the basis of a national national economy and social development, energy problem has become restriction socio-economic development and urgently solves
Bottleneck problem certainly.With being in an emergency for the non-renewable energy resources reserves such as coal, petroleum, people have turned one's attention to novel renewable
The reason of the energy utilizes, and in all new energies, solar energy becomes focus of attention again with its unique advantage.
Photovoltaic and photothermal solar comprehensive utilization technique (Photovoltaic/thermal, PV/T) is by photovoltaic cell and the sun
Energy heat collection technology combines, and is converted into electric energy using solar energy by " photovoltaic effect " of semiconductor in photovoltaic module
When, it is used by the heat that the cooling medium in thermal-arrest component takes away photovoltaic cell generation, while generating electricity, hot two kinds of incomes
Technology.Photovoltaic cell operating temperature problem not only can be effectively controlled, photoelectric conversion efficiency is improved, extends battery and uses
Service life, and can be realized heating supply, improve the utilization efficiency of solar energy.
It is very more for photovoltaic and photothermal solar systematic research and application at present, in photo-thermal system usually at this stage
Then substrate using metal absorber plate as photovoltaic cell passes through welding (Laser Welding, ultrasonic wave in metal heat absorption back
Weldering) and the fixed heat exchange pipeline of bonding (thermally conductive glue) mode, it is exchanged heat, is reached by the flowing of heat transfer medium in heat exchange pipeline
To the effect for recycling and generating using battery heat.However, traditional system design there is a problem of it is very important, it is most important
It is thermal stress issues: due to the material difference of metal absorber plate and photovoltaic cell, by long-term outdoor operation, photovoltaic cell
Thermal expansion coefficient mismatch causes the two contact surface the situation of thermal stress unevenness occur between metal absorber plate, is easy to cause electricity
The fracture of pond piece or connecting wire fall off, and not only influence the electrical property of product but also the serious curtailment service life of product.And
And connection type will have a direct impact on the operating temperature and thermal-arrest component of photovoltaic module between heat transfer pipe and metal absorber plate
Heat exchange pipeline is fixed on metal absorber plate using welding by collecting efficiency, and cost of labor is larger, takes a long time, and welding position can
It can be crushed；Heat exchange pipeline is fixed on to metal absorber plate exists simultaneously cost of labor and time cost is higher using bonding
Problem, and bubble is easy to produce inside adhesive layer, heat transfer efficiency can be significantly affected.Drawbacks described above improves photovoltaic and photothermal solar
The manufacturing cost of system reduces the comprehensive delivery efficiency of photovoltaic/thermal of product, affects the quality of product.
Summary of the invention
For existing photovoltaic and photothermal solar system, that there are manufacturing costs is high, capacity usage ratio is low and product reliability is poor asks
Topic, the present invention provide a kind of photovoltaic and photothermal solar system.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
On the one hand, the present invention provides a kind of photovoltaic and photothermal solar system and is set to including the shell with accommodation space
Insulating layer in shell is close to the heat absorption of the heat-exchanging component upper surface setting in the heat-exchanging component of insulating layer upper surface setting
Plate, in the photovoltaic module of absorber plate upper surface setting, the thermal insulation layer being arranged between the shell above photovoltaic module and its is described
Photovoltaic module includes photovoltaic cell, and corresponding position has transmission region on the shell, so that solar irradiation is mapped on photovoltaic cell；
It is characterized in that, the absorber plate uses glass substrate as the substrate of photovoltaic cell, the heat-exchanging component is changed using microchannel
Hot device is all combined closely by hot melt adhesive between the photovoltaic cell, glass substrate and micro-channel heat exchanger.
Further, the micro-channel heat exchanger is with several subtle runner close-packed configurations and channel equivalent diameter is 10
~1000 μm of flat tube has profile pattern.
Further the thermal insulation layer is air layer.
The manufacture craft of above-mentioned photovoltaic and photothermal solar system, includes the following steps:
Step 1: single side makes Silicon photrouics array on the glass substrate；
Step 2: the glass substrate for being pasted with Silicon photrouics array and micro-channel heat exchanger are passed through into hot melt adhesive heat lamination
To together；
Step 3: to silicon solar cell array, glass substrate and the micro-channel heat exchanger combined closely after whole lamination into
Row encapsulation is fixed, and there are cavitys to add thermal insulation material as insulating layer between micro-channel heat exchanger and package casing, is being sealed
Corresponded on casing Silicon photrouics array position installing light-transmitting plate, between light-transmitting plate and Silicon photrouics array there are
Air layer is as thermal insulation layer.
Further, the micro-channel heat exchanger is with several subtle runner close-packed configurations and channel equivalent diameter is 10
~1000 μm of flat tube has profile pattern.
Compared with prior art, the beneficial effects of the present invention are:
Photovoltaic and photothermal solar system proposed by the invention seals photovoltaic module, absorber plate, heat-exchanging component and insulating layer
It is attached in the accommodation space of interior of shell, and thermal insulation layer is set between photovoltaic module and shell；In the system cavity on to
Under be followed successively by thermal insulation layer, photovoltaic module, absorber plate, heat-exchanging component and insulating layer.Wherein the core element of photovoltaic module is photovoltaic
Battery is mainly generated electricity using " photovoltaic effect " of semiconductor silicon, and absorber plate uses thin glass substrate, due to this
Material is usually silica or silicate, suitable with the thermal expansion coefficient of silicon, fixed when system works so that temperature increases
Degree of thermal expansion between photovoltaic cell on the glass substrate and glass substrate differs smaller, and the heat that can reduce contact surface is answered
Power extends the service life of product the phenomenon that avoiding the fracture of battery caused by thermal stress or fall off；And the present invention passes through heat
Photovoltaic cell, glass substrate and micro-channel heat exchanger are carried out lamination integration by melten gel, utilize micro-channel heat exchanger surfacing
Property and hot melt adhesive low loss heat resistance characteristic, increase the heat exchange area between heat transfer plate and heat-exchanging component, reduce heat transfer plate with
Thermal resistance between heat-exchanging component simplifies the making step of product, reduces the cost of manufacture of product.In conclusion of the invention
Offer system long service life, functional reliability are high, and heat exchange property is good, and make it is easy to assembly, it is at low cost, be conducive to reality
It is now mass produced and applies.
Detailed description of the invention
Fig. 1 is photovoltaic and photothermal module top view of the invention；
Fig. 2 is photovoltaic and photothermal module short side sectional view of the invention；
Fig. 3 is photovoltaic and photothermal module long side sectional view of the invention；
In figure: 1 is glass cover-plate, and 2 be photovoltaic cell, and 3 be glass substrate, and 4 be micro-channel heat exchanger, and 5 be insulating layer, 6
It is thermal insulation layer for metal frame, 7.
Specific embodiment
In order to enable one of ordinary skill in the art can more understand the present invention program and principle, with reference to the accompanying drawing and have
Body embodiment is described in detail.The contents of the present invention are not limited to any specific embodiment, and also not representing is most preferred embodiment,
General substitution well-known to those skilled in the art is also encompassed within the scope of the invention.
Embodiment:
The present embodiment provides a kind of photovoltaic and photothermal solar systems, provide photo-thermal system as shown in Figure 1 for the present invention
Top view, Fig. 2 and Fig. 3 show the long side section and short side sectional view of the system comprising the metal frame with accommodation space
Body 6, the insulating layer 5 being set in metal frame 6 are close to described micro- in the micro-channel heat exchanger 4 of 5 upper surface of insulating layer setting
The glass substrate 3 of 4 upper surface of channel heat exchanger setting, in the photovoltaic module of 3 upper surface of glass substrate setting, in photovoltaic module pair
The glass cover-plate 1 for answering top to install, the thermal insulation layer 7 being arranged between photovoltaic module and glass cover-plate 1, thermal insulation layer in the present embodiment
7 be specially air layer；The core element of the photovoltaic module is photovoltaic cell 2, is made in the present embodiment using glass cover-plate 1 outer
Boundary's sunlight, which can be irradiated on photovoltaic cell 2, carries out photovoltaic power generation；Heat-exchanging component uses micro-channel heat exchanger 4 in the present embodiment,
I.e. a kind of heat exchanger with multichannel close-packed configuration and channel equivalent diameter at 10~1000 μm, this heat exchanger generally use
Flat tube with tens of subtle runners has profile pattern；Main innovation of the invention is to replace using glass substrate 3
Conventional metals absorber plate is changed as the substrate for being pasted with photovoltaic cell 2, while photovoltaic cell 2, glass substrate 3 and microchannel being changed
It is all combined closely by hot melt adhesive between hot device 4.
The manufacture craft of above-mentioned photovoltaic and photothermal solar system is provided below, includes the following steps:
Step 1: Silicon photrouics battle array is made in the Silicon photrouics 2 that single side fabrication cycle is arranged on glass substrate 3
Column；
Step 2: the glass substrate 3 for being pasted with silicon solar cell array and micro-channel heat exchanger 4 are passed through into hot melt adhesive one
Secondary whole lamination is allowed to be closely adhered to together；
Step 3: to Silicon photrouics array, glass substrate 3 and the micro-channel heat exchanger 4 combined closely after whole lamination into
Row encapsulation is fixed, and specifically, the present embodiment is packaged fixation to all structures using aluminum alloy frame；It is packaged fixation
When, there are cavity addition thermal insulation materials between micro-channel heat exchanger 4 and package casing as insulating layer, right on package casing
Silicon photrouics array position is answered to install light-transmitting plate, there are air layer conducts between light-transmitting plate and Silicon photrouics array
Thermal insulation layer.
The embodiment of the present invention is elaborated in conjunction with attached drawing above, but the invention is not limited to above-mentioned
Specific embodiment, above-mentioned specific embodiment is only schematical, rather than restrictive, the ordinary skill people of this field
Member under the inspiration of the present invention, can also make many in the case where not departing from present inventive concept and claimed range
Deformation, these belong to protection of the invention.
Claims (3)
1. a kind of photovoltaic and photothermal solar system, including the shell with accommodation space, the insulating layer being set in shell is being protected
The heat-exchanging component of warm layer upper surface setting is close to the absorber plate of the heat-exchanging component upper surface setting, is set in absorber plate upper surface
The photovoltaic module set, the thermal insulation layer being arranged between the shell above photovoltaic module and its, the photovoltaic module include photovoltaic electric
Pond, corresponding position has transmission region on the shell, so that solar irradiation is mapped on photovoltaic cell；It is characterized in that, the suction
Hot plate as photovoltaic cell substrate use glass substrate, the heat-exchanging component use micro-channel heat exchanger, the photovoltaic cell,
It is all combined closely by hot melt adhesive between glass substrate and micro-channel heat exchanger.
2. a kind of photovoltaic and photothermal solar system according to claim 1, which is characterized in that the micro-channel heat exchanger is
With several subtle runner close-packed configurations and flat tube of the channel equivalent diameter at 10~1000 μm.
3. a kind of photovoltaic and photothermal solar system according to claim 1, which is characterized in that the thermal insulation layer is air
Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920822053.XU CN209710039U (en) | 2019-06-03 | 2019-06-03 | Photovoltaic and photothermal solar system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920822053.XU CN209710039U (en) | 2019-06-03 | 2019-06-03 | Photovoltaic and photothermal solar system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209710039U true CN209710039U (en) | 2019-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920822053.XU Active CN209710039U (en) | 2019-06-03 | 2019-06-03 | Photovoltaic and photothermal solar system |
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| CN (1) | CN209710039U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086425A (en) * | 2019-06-03 | 2019-08-02 | 西南交通大学 | Photovoltaic and photothermal solar system and its manufacture craft |
| CN111076266A (en) * | 2019-12-31 | 2020-04-28 | 西南交通大学 | Multifunctional heat pipe type photovoltaic photo-thermal hot water heating system and heating method |
| DE102021123000A1 (en) | 2021-09-06 | 2023-03-09 | Sunmaxx PVT GmbH | Photovoltaic thermal module and solar system |
-
2019
- 2019-06-03 CN CN201920822053.XU patent/CN209710039U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086425A (en) * | 2019-06-03 | 2019-08-02 | 西南交通大学 | Photovoltaic and photothermal solar system and its manufacture craft |
| CN110086425B (en) * | 2019-06-03 | 2023-10-27 | 西南交通大学 | Solar photovoltaic photo-thermal system and manufacturing process thereof |
| CN111076266A (en) * | 2019-12-31 | 2020-04-28 | 西南交通大学 | Multifunctional heat pipe type photovoltaic photo-thermal hot water heating system and heating method |
| CN111076266B (en) * | 2019-12-31 | 2024-04-16 | 西南交通大学 | Multifunctional heat pipe type photovoltaic photo-thermal hot water heating system and heating method |
| DE102021123000A1 (en) | 2021-09-06 | 2023-03-09 | Sunmaxx PVT GmbH | Photovoltaic thermal module and solar system |
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