Summary of the invention
According to an aspect of the present invention; A kind of solar energy system that is installed on the building is provided; Make the outer wall of photovoltaic panel and building, the glass curtain wall of for example being made up of double-deck toughened glass is combined together to form the suction cavity; Realized the cooling of photovoltaic panel, can the heat energy that photovoltaic panel produces have been utilized again again.
Embodiment according to an aspect of the present invention provides a kind of solar energy system that is installed on the building, comprising: a plurality of panel arrays, and each panel array comprises at least one photovoltaic panel, and has the back side in the opposite direction with solar light irradiation; A plurality of first installing racks; A plurality of said first installing racks along the short transverse almost parallel of building be installed on the outer wall of said building; Wherein said panel array is installed between two adjacent said first installing racks; Sealing combines between two adjacent panel arrays, and limits between the said outer wall in said panel array, two first adjacent installing racks and building and aspirate cavity; And the exhaust passage, said exhaust passage is communicated with first end of said suction cavity, discharging said suction cavity from the air that flows into said suction cavity with the said first end second opposed end of said suction cavity.
In above-mentioned solar energy system, the outer wall of said building comprises glass curtain wall, and said first installing rack is installed on the bracing or strutting arrangement of said glass curtain wall.
In above-mentioned solar energy system, said glass curtain wall comprises double-deck toughened glass.
In above-mentioned solar energy system, said first installing rack comprises: main part, said main part are installed on the outer wall of said building at first end; And installation portion, said installation portion is formed on second end of said main part, and said panel array is installed on the said installation portion through coupling apparatus.
In above-mentioned solar energy system, the width of said installation portion is less than the width of said main part, thereby forms two first step portions at second end of said main part, in the first step portion of two first adjacent installing racks, is provided with second installing rack.
In above-mentioned solar energy system, said second installing rack is provided with fluid cooling system, cools off with the back side to said panel array.
In above-mentioned solar energy system, said coupling apparatus comprises: first conjunction, and said first conjunction removably is attached on first installing rack, and forms two second step portions at the end that said panel array is installed; And second conjunction, said second conjunction is arranged between said second step portion and the said panel array, so that said panel array is attached on said first conjunction.
In above-mentioned solar energy system, said coupling apparatus comprises: first conjunction, and said first conjunction forms two second step portions at the end that said panel array is installed; Second conjunction, said second conjunction are arranged between said second step portion and the said panel array; And the 3rd conjunction, said the 3rd conjunction has flange, and said the 3rd conjunction removably is attached to said panel array, said first conjunction and said second conjunction on said first installing rack through said flange.
In above-mentioned solar energy system, said coupling apparatus is to be coated in the back side of said panel array and the adhesive between the said installation portion.
In above-mentioned solar energy system, said exhaust passage comprises switching device shifter, with will aspirate selectively air in the cavity be discharged in the said building or building outside.
In above-mentioned solar energy system, the bottom of said suction cavity is provided with air filter.
In above-mentioned solar energy system, be provided with electronic exhaust apparatus in the said exhaust passage.
According to the solar energy system that is installed on the building of the present invention; Glass curtain wall and forming as one of photovoltaic electric-heating device structure with building; Make the outer wall of photovoltaic panel, installing rack and building be combined together to form the suction cavity; Realized the cooling of photovoltaic panel, can the heat energy that photovoltaic panel produces have been utilized again again.
Embodiment
Though will fully describe the present invention with reference to the accompanying drawing that contains preferred embodiment of the present invention, before this describes, should be appreciated that those of ordinary skill in the art can revise invention described herein, obtains technique effect of the present invention simultaneously.Therefore, must understand above description to those of ordinary skill in the art and Yan Weiyi discloses widely, and its content does not lie in restriction exemplary embodiment described in the invention.
With reference to Fig. 1-5, wherein Fig. 1 is the principle schematic that shows according to solar energy system of the present invention; Fig. 2 is the partial schematic sectional view that shows according to a kind of embodiment of solar energy system of the present invention; Fig. 3 is the amplification intention that shows A part shown in Figure 2; Fig. 4 is the floor map that shows solar energy system shown in Figure 2.The solar energy system 100 on the building that is installed in according to a kind of exemplary embodiment of the present invention; Comprise: a plurality of panel arrays 1; Each panel array comprises at least one photovoltaic panel 11 (referring to Fig. 4), and has the back side in the opposite direction with solar light irradiation; A plurality of first installing racks 2; Along the short transverse almost parallel of building be installed on the outer wall 3 of said building; Wherein panel array 1 is installed between two first adjacent installing racks 2; Sealing combines between two adjacent panel arrays, and limits between the outer wall 3 in panel array 1, two first adjacent installing racks 2 and building and aspirate cavity 4; And exhaust passage 5; Said exhaust passage 5 is communicated with first end (the for example upper end among Fig. 1 and 2) of suction cavity 4, discharging suction cavity 4 from top from the air with the first end second opposed end (the for example lower end Fig. 1 and 2) inflow suction cavity 4 of suction cavity 4.In a kind of exemplary embodiment, the outer wall 3 of building can be upright external wall, also can be the outer surface of cupular part that tilts, or even the outer surface of cupular part of level.In a further embodiment, outer wall 3 comprises glass curtain wall, and first installing rack 2 is installed on the bracing or strutting arrangement of glass curtain wall.Further, glass curtain wall is double-deck double blank toughened glass, and the gross thickness of this toughened glass is 6+12+6 (millimeter), and wherein the thickness of outside layer glass is 6 millimeters, and the thickness of middle cavity is 12 millimeters.
According to solar energy system of the present invention; The panel array of being made up of photovoltaic panel 1 combines with the outer wall 3 of building, and forms suction cavity 4 at the back side of panel array 1, receives in the process of solar light irradiation at panel array 1; The temperature of photovoltaic panel 11 will raise and heat the air of suction cavity 4; In suction cavity 4 because the hot pressing principle produces stack effect, thereby make the air in the suction cavity 4 flow from bottom to up, and be discharged to through exhaust passage 5 and aspirate outside the cavity 4; Thereby the temperature to photovoltaic panel 11 is regulated, and realizes the cooling to photovoltaic panel 11.Further, be provided with the for example exhaust apparatus 51 of ventilating fan and so in the exhaust passage 5, thereby the stack effect in the vertical suction cavity 4 that perhaps is obliquely installed is strengthened, quicken flowing of air, and then improve cooling-down effect photovoltaic panel 11.Through air flowing at photovoltaic panel 11 back sides; Can absorb heat from the back side of photovoltaic panel 11, reduce the temperature of photovoltaic panel, according to photovoltaic performance; The reduction of photovoltaic panel 11 temperature; Can improve the generating efficiency of photovoltaic panel, promote the comprehensive utilization ratio of solar energy, and prolonged the useful life of photovoltaic panel.
In a further embodiment, referring to Fig. 1, exhaust passage 5 comprises switching device shifter 52, with will aspirate selectively air in the cavity 4 be discharged in the said building or building outside.For example, in the winter time, operation switching device shifter 52 makes hot-air get in the building, promptly can improve the temperature in the building, can also fresh comfortable air be provided for building, promotes indoor comfort level.And in summer, the air that generally will aspirate in the cavity 4 through switching device shifter is discharged into outside the building through exhaust passage 5.Further, can air filter 53 be installed, to purify the hot-air that gets in the building from suction cavity 4 at the air duct that is used for hot-air gets in the building.Referring to Fig. 2, also be provided with air filter 41 at second end that aspirates cavity 4, get into the hot-air in the suction cavity 4 to purify from the outside.In the present invention, air filter 53 and 41 for example can be any device that shutter, screen pack etc. can filter and purify air.Like this; Solar energy system of the present invention comprises the moving air heating system of the one of being made up of air filter 41, suction cavity 4, exhaust passage 5 and air filter 53; And can realize cooling through the free convection or the forced heat-exchanging of air to photovoltaic panel, and promptly reduced the temperature of photovoltaic panel, improved the generating efficiency of photovoltaic panel 11; Make full use of the heat energy that in temperature-fall period, produces again, realized the energy-saving effect of building.According to embodiments of the invention, actual conditionses such as heat that can produce according to the vertical height, needs of suction cavity 4 and air quantity are set the thickness of suction cavity 4, when realizing the photovoltaic panel cooling, have also played the effect of sound insulation.
Describe below according to the installing rack that is used to install panel array in the solar energy system of the present invention.Wherein, referring to Fig. 3-6, in a kind of exemplary embodiment, first installing rack 2 comprises: main part 21, and said main part 21 is installed on the outer wall 3 of building at first end, for example is installed on the erecting device 32 that is used for fixing toughened glass 31; And installation portion 22, said installation portion 22 is formed on second end of 21 main parts, and panel array 1 is installed on the installation portion 22 through coupling apparatus (following will further describing).In one embodiment, main part 21 is attached on the erecting device 32 through fixture 23 and seal gasket 24.
Referring to Fig. 6, the width of installation portion 22 is less than the width of main part 21, thereby forms two for example first step portions 25 of symmetry at second end of main part 21, in the first step portion 25 of two first adjacent installing racks 2, is provided with second installing rack 6.Panel array 1 is arranged on the top of second installing rack 6, and can directly contact also and can not contact with panel array 1.One group of second installing rack 6 and a panel array correspondingly, for example, second installing rack 6 can be a slab construction, also can be frame structure, so that panel array 1 is provided support.Between two adjacent first installing racks 2 that extend along the short transverse of building, a plurality of panel arrays 1 can be installed; As shown in Figure 4; All adopt the for example seal sealing combination of sealing joint strip 12 and so between each photovoltaic panel 11 of same panel array 1 and between each photovoltaic panel 11 of different panel array 1, thereby make the photovoltaic panel 11 that is provided with between two adjacent first installing racks 2 form a sealing surfaces that aspirates cavitys 4.
In a further embodiment, second installing rack 6 is provided with the fluid cooling system (not shown), and this fluid cooling system contacts with the surface of panel array 1, so that the back side of panel array 1 is cooled off.
In a kind of exemplary embodiment; Referring to Fig. 6; Coupling apparatus comprises: first conjunction 26; Said first conjunction 26 is for example perhaps linked up with combination through the buckle combination and removably is attached on first installing rack 2, and forms two second step portions 261 at the end that panel array 1 is installed; And second conjunction 27, said second conjunction 27 is arranged between second step portion 261 and the panel array 1, so that panel array 1 is attached on first conjunction 26.In one embodiment, second conjunction 27 is for having the rubber cushion of adhesive effect, so that panel array 1 edge is adhered in the second step portion 261 of first conjunction 26.Between the photovoltaic panel 11 of two adjacent panel arrays 1, also be provided with fluid sealant, so that the also sealing combination on short transverse of adjacent panel array 1.
In another kind of exemplary embodiment, of Fig. 7, coupling apparatus comprises: first conjunction 26 ', and said first conjunction 26 ' forms two second step portions 261 ' at the end that panel array 1 is installed; Second conjunction 27, said second conjunction 27 is arranged between second step portion 261 ' and the panel array 1; And the 3rd conjunction 28 '; Said the 3rd conjunction 28 ' has flange 281 ', and the 3rd conjunction 28 ' combines the 26 ' part and second conjunction 27 ' for example to adopt buckle combination, hook combination or bolt combination removably to be attached on first installing rack 2 panel array 1, first through its flange 281 '.Like this, the 3rd conjunction 28 ' is attached on first installing rack 2 through its flange 281 ', can increase the fastness of panel array 1.
In a further embodiment, coupling apparatus is to be coated in the back side of panel array 1 and the adhesive between the installation portion 22.Direct like this panel array 1 is adhered on the installation portion 22, has saved other bonded block, simplified mounting structure, but needed adhesive to have enough bonding forces and bonding life-span.
With reference to Fig. 2 and 3, exhaust passage 5 is set at first end of suction air 4 (i.e. upper end).In one embodiment, exhaust passage 5 comprises housing 54 and is arranged on the exhaust outlet 55 on the housing 54, the part of its middle shell 54 be attached to through the for example fixture of bolt 56 and so on suction air 4 topmost an installing rack 7 on.Be enhanced stability, can between housing 54 and installing rack 7, spring shim 57 be set.Another part of housing 54 can be directly connected on the outer wall 3 of building, also can be connected on the top surface of building through hermetically-sealed construction.This exhaust passage 5 can comprise discharge duct and the blinds air hole that is used to make hot blast to flow; When summer, can discharge duct and indoor link be closed; The blinds air hole is opened; The heat that produces in the suction cavity 4 will be discharged to outdoor through stack effect or the effect of blower fan air inducing through this blinds air hole, improve the generating efficiency of cell panel; Then close shutter winter, through blower fan and stack effect hot blast sent into the new Ventilator Room that is arranged in the building, combines with VMC, and send into indoorly through fan coil system, plays and send new wind action to indoor heating.
It will be appreciated by those skilled in the art that; Above described embodiment all be exemplary; And those skilled in the art can make improvements; Can carry out independent assortment under the situation of the conflict of the structure described in the various embodiment aspect not recurring structure or principle, thereby on the basis that solves technical problem of the present invention, realize more kinds of solar energy systems.
After specifying preferred embodiment of the present invention; Those of ordinary skill in the art can clearly understand; Under protection range that does not break away from the claim of enclosing and spirit, can carry out various variations and change, and the present invention also is not subject to the execution mode of the exemplary embodiment of lifting in the specification.