CN205224455U - Reflective insulation formula photovoltaic building facade and photovoltaic building - Google Patents
Reflective insulation formula photovoltaic building facade and photovoltaic building Download PDFInfo
- Publication number
- CN205224455U CN205224455U CN201520881191.7U CN201520881191U CN205224455U CN 205224455 U CN205224455 U CN 205224455U CN 201520881191 U CN201520881191 U CN 201520881191U CN 205224455 U CN205224455 U CN 205224455U
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- China
- Prior art keywords
- photovoltaic
- heat
- photovoltaic building
- building
- air
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
Abstract
The utility model relates to a reflective insulation formula photovoltaic building facade and photovoltaic building, reflective insulation formula photovoltaic building facade is including the building outer wall and locate the photovoltaic board of constructing the outer wall outside, building outer wall outside surface is equipped with heat reflection layer, just there is the air runner that is used for the circulation of air between photovoltaic board and the building outer wall, photovoltaic building is for having at least the one side to adopt the building of reflective insulation formula photovoltaic building facade. Compared with the prior art, the utility model discloses the heat that photovoltaic backboard board sent can be reflected in heat reflection layer's existence, alleviates to result in building indoor temperature rise because of photovoltaic backboard board generates heat, is aided with the air runner simultaneously, can make the heat that is reflected pass through the air and taken from the wall.
Description
Technical field
The utility model relates to photovoltaic building facade field, especially relates to a kind of reflective insulation formula photovoltaic building facade and photovoltaic building.
Background technology
Photovoltaic building is the multi-use architecture form utilizing solar electrical energy generation to be architectural power supply grown up in recent years.By photovoltaic panel with build particularly highrise building and combine, utilize the huge facade area of highrise building absorb solar energy for problem that architectural power supply alleviates city particularly big and medium-sized cities shortage of electric power be a current developing direction with extensive prospect.
Such as Chinese patent CN102587545A discloses a kind of photovoltaic building glass curtain wall component, comprise solar cell, glass substrate, glass back plate, cell interlayer, glass substrate, cell interlayer, solar cell, cell interlayer, glass back plate set gradually from top to bottom, and by cell interlayer, glass substrate, glass back plate connect solar cell respectively.
But, photovoltaic panel also can be generated heat while absorption solar power generation, and temperature rising can cause the rising of surrounding buildings environment temperature, so photovoltaic curtain wall does not generally advise directly as curtain wall using as elevation of building, but photovoltaic curtain wall and the existing facade (comprising building external revetment and outer load bearing wall) of building are combined, apply as double-skin facade.When photovoltaic curtain wall absorbs solar power generation time, elevation of building still temperature can raise because photovoltaic panel backboard generates heat, and result can cause architecture indoor temperature to raise, and summer air conditioning load strengthens.
Utility model content
The purpose of this utility model is exactly provide a kind of alleviation to cause the reflective insulation formula photovoltaic building facade of architecture indoor temperature rise because the heating of photovoltaic panel backboard to overcome defect that above-mentioned prior art exists, and configures the photovoltaic building of this photovoltaic building facade.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of reflective insulation formula photovoltaic building facade, comprise external wall and be located at the photovoltaic panel outside external wall, described external wall outer surface is provided with heat-reflecting layer, and has the air flow channel for air circulation between described photovoltaic panel and external wall.
Described heat-reflecting layer is located on the photovoltaic panel plane of projection on external wall, and wherein, described photovoltaic panel plane of projection is the plane of projection of photovoltaic panel on external wall.
The isolation layer for trap heat conduction is also provided with in described external wall.
A kind of photovoltaic building, the metope of this photovoltaic building has at least one side to adopt reflective insulation formula photovoltaic building facade.
The sunny slope of described photovoltaic building adopts reflective insulation formula photovoltaic building facade.
Described photovoltaic building is provided with the air-supply arrangement for sending into air in described air flow channel, and described air-supply arrangement sends into air below air flow channel.
Compared with prior art, the utility model has the following advantages:
1) existence of heat-reflecting layer can reflect the heat that photovoltaic backboard plate sends, and alleviates and causes architecture indoor temperature rise because of the heating of photovoltaic panel backboard, being aided with air flow channel simultaneously, the heat by reflecting can being made to be taken away metope by air.
2) heat-reflecting layer is located on the photovoltaic curtain wall plane of projection on external wall, can reduce costs, in the position that photovoltaic curtain wall is not arranged, then without the need to arranging heat-reflecting layer.
3) also have the isolation layer for trap heat conduction in external wall, coordinate with heat-reflecting layer can realize body of wall to the thermal resistance of indoor, heat insulation, be incubated.
4) heat-reflecting layer adopts heat-reflective coating, owing to can reach the process blocking indoor and outdoor interchange of heat by means of only brushing heat-reflective coating, simpler than ordinary construction cooling, insulation, form of thermal insulation, is easilier applied in Practical Project; Simultaneously current heat-reflective coating is except to except thermal-radiating high reverse--bias, also possess the advantages such as high temperature resistance, cracking resistance, good endurance, more heat insulation than ordinary construction have better durability, with photovoltaic panel with the use of, can maintenance frequency be reduced, greatly reduce fringe cost that is artificial and non-structural element installation, maintenance; Moreover elevation of building brushing heat-reflective coating simple structure, does not exist extra non-structural element, this measure can run in Potential hazards process, reduces the secondary disaster etc. that non-structural element may bring.
5) air-supply arrangement can be slow in airflow speed, be aided with mechanical ventilation during heat, reaches best radiating effect and slow down the aging of heat-reflecting layer and photovoltaic panel simultaneously, extend its life-span.
Accompanying drawing explanation
Fig. 1 is the forward perspective structure schematic diagram of the utility model reflective insulation formula photovoltaic building facade;
Fig. 2 is the A-A sectional view of Fig. 1;
Wherein: 1, external wall, 2, photovoltaic panel, 3, heat-reflecting layer, 4, bolt, 5, the horizontal section bar of aluminium alloys hanging seat, 6, vertical aluminium alloy extrusions, 7, air flow channel outlet, 8, air flow channel, 9, heat reflection signal, 10, air flow channel entrance.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.The present embodiment is implemented premised on technical solutions of the utility model, give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
A kind of reflective insulation formula photovoltaic building facade, as depicted in figs. 1 and 2, comprise external wall 1 and be located at the photovoltaic panel 2 outside external wall 1, external wall 1 outer surface is provided with heat-reflecting layer 3, and has the air flow channel 8 for air circulation between photovoltaic panel 2 and external wall 1.Concrete, photovoltaic panel 2 can be installed to facade by sub-frame.As shown in Figure 1, adopt the horizontal section bar of aluminium alloys hanging seat 5 and vertical aluminium alloy extrusions 6, and connected by bolt 4.External wall 1 safeguards wall or outer load bearing wall for outer.
During solar radiation, photovoltaic panel 2 absorbs solar electrical energy generation, and electric energy is directly used after battery or circuit control device by wire collection, and because photovoltaic panel 2 is while absorption solar electrical energy generation, light energy conversion can be heat energy by its backboard.Raise while the rising of backboard temperature can cause ambient temperature, heat-reflecting layer 3 utilizes can reach reflecting heat radiation, stops the effect of architecture indoor temperature rise, thus reduces the effect of summer air conditioning load.
Heat-reflecting layer 3 is located on photovoltaic panel (or photovoltaic curtain wall) plane of projection on external wall 1, wherein, photovoltaic panel (or photovoltaic curtain wall) plane of projection is photovoltaic panel (or photovoltaic curtain wall) plane of projection on external wall 1, and this plane of projection is the vertical plane relative to external wall 1 and photovoltaic panel 2 (or photovoltaic curtain wall).
Also be provided with the isolation layer for trap heat conduction in external wall 1, coordinate with heat-reflecting layer can realize body of wall to the thermal resistance of indoor, heat insulation, be incubated.
Heat-reflecting layer 3 is heat-reflective coating, and this heat-reflective coating is by cenosphere and high index of refraction titanium dioxide (TiO
2) be main stuffing, as U.S.'s shield (Thermo-hield) energy-saving coatings, Singapore's high-tech (HIT) coating, the LO/MIT-1 type thermal insulating coating of solar energy group of the U.S. and domestic various heat reflection coatings etc.And be painted on the external surface of external wall 1.Concrete, coating is generally with cenosphere and high index of refraction TiO
2for main component, heat reflection ratio can reach more than 80%, can the heat radiation of reflect most photovoltaic panel and Outer Environment.When photovoltaic panel absorbs solar-powered heating time, to external wall 1 radiations heat energy, heat radiation reflects away at external wall 1 heat-reflective coating place, air between the gap of photovoltaic panel 2 and external wall 1 is heated rear rising, cold air supplements up from photovoltaic panel bottom gap, continue to take away heat, thus reach the effect intercepting Building Indoor Environment and heat up.The temperature that the control that external wall 1 temperature raises can slow down again photovoltaic panel 2 backboard continues to raise, and also contributes to the generating efficiency ensureing photovoltaic panel 2.The reflective insulation formula photovoltaic building facade of the application is widely used in rural area, city, multilayer, highrise building, energy-saving heat preserving, environmental protection, has positive effect to the protection of environment and resources.
In Fig. 2, between external wall 1 and photovoltaic panel 2, there is air flow channel 8.External wall 1 brushing heat-reflective coating.When photovoltaic panel 2 receives solar radiation heating time, reflect heat is gone back by the heat-reflective coating of elevation of building, is risen in air flow channel 8 by the air heated, and then forms the air-flow from air flow channel entrance 10 to air flow channel outlet 7,
A kind of photovoltaic building, the metope of this photovoltaic building has at least one side to adopt reflective insulation formula photovoltaic building facade.The sunny slope being specially photovoltaic building adopts reflective insulation formula photovoltaic building facade, preferably, the top of the sunny slope of photovoltaic building photovoltaic building metope is reflective insulation formula photovoltaic building facade, sunny slope adopts reflective insulation formula photovoltaic building facade, can reduce costs, in addition only the top of sunny slope is reflective insulation formula photovoltaic building facade, be then the way that cost performance is the highest.
Photovoltaic building is provided with the air-supply arrangement for sending into air in air flow channel 8, and air-supply arrangement sends into air below air flow channel 8, can be slow in airflow speed, is aided with mechanical ventilation during heat.
Claims (7)
1. a reflective insulation formula photovoltaic building facade, comprise external wall (1) and be located at the photovoltaic panel (2) in external wall (1) outside, it is characterized in that, described external wall (1) outer surface is provided with heat-reflecting layer (3), and has the air flow channel (8) for air circulation between described photovoltaic panel (2) and external wall (1).
2. a kind of reflective insulation formula photovoltaic building facade according to claim 1, it is characterized in that, described heat-reflecting layer (3) is located on the photovoltaic panel plane of projection on external wall (1).
3. a kind of reflective insulation formula photovoltaic building facade according to claim 1, is characterized in that, is also provided with the isolation layer for trap heat conduction in described external wall (1).
4. a kind of reflective insulation formula photovoltaic building facade according to claim 1, it is characterized in that, described heat-reflecting layer (3) is heat-reflective coating.
5. comprise the photovoltaic building as photovoltaic building facade as described in arbitrary in claim 1-4, it is characterized in that, the metope of this photovoltaic building has one side at least for reflective insulation formula photovoltaic building facade.
6. photovoltaic building according to claim 5, is characterized in that, the sunny slope of described photovoltaic building is reflective insulation formula photovoltaic building facade.
7. photovoltaic building according to claim 5, is characterized in that, described photovoltaic building is provided with the air-supply arrangement for sending into air in described air flow channel (8), and described air-supply arrangement sends into air from air flow channel (8) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520881191.7U CN205224455U (en) | 2015-11-06 | 2015-11-06 | Reflective insulation formula photovoltaic building facade and photovoltaic building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520881191.7U CN205224455U (en) | 2015-11-06 | 2015-11-06 | Reflective insulation formula photovoltaic building facade and photovoltaic building |
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| Publication Number | Publication Date |
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| CN205224455U true CN205224455U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520881191.7U Expired - Fee Related CN205224455U (en) | 2015-11-06 | 2015-11-06 | Reflective insulation formula photovoltaic building facade and photovoltaic building |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275160A (en) * | 2015-11-06 | 2016-01-27 | 同济大学 | Reflection heat insulation type photovoltaic building elevation and photovoltaic building |
| CN109779083A (en) * | 2019-03-11 | 2019-05-21 | 重庆大学 | A kind of retroreflecting energy-saving exterior wall system |
-
2015
- 2015-11-06 CN CN201520881191.7U patent/CN205224455U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275160A (en) * | 2015-11-06 | 2016-01-27 | 同济大学 | Reflection heat insulation type photovoltaic building elevation and photovoltaic building |
| CN109779083A (en) * | 2019-03-11 | 2019-05-21 | 重庆大学 | A kind of retroreflecting energy-saving exterior wall system |
| CN109779083B (en) * | 2019-03-11 | 2020-07-17 | 重庆大学 | Retro-reflection energy-saving outer wall system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20211106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |