CN112177209B - Photovoltaic wallboard and photovoltaic curtain wall - Google Patents
Photovoltaic wallboard and photovoltaic curtain wall Download PDFInfo
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- CN112177209B CN112177209B CN202011016574.XA CN202011016574A CN112177209B CN 112177209 B CN112177209 B CN 112177209B CN 202011016574 A CN202011016574 A CN 202011016574A CN 112177209 B CN112177209 B CN 112177209B
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6801—Fillings therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6806—Waterstops
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/20—Supporting structures directly fixed to an immovable object
- H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
- H02S20/26—Building materials integrated with PV modules, e.g. façade elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/242—Slab shaped vacuum insulation
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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
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Load-Bearing And Curtain Walls (AREA)
- Finishing Walls (AREA)
Abstract
The application belongs to the technical field of photovoltaic buildings and provides a photovoltaic wallboard which comprises an outer photovoltaic plate and an inner insulation plate, wherein the outer photovoltaic plate and the inner insulation plate are same in plate surface area and are arranged in a stacked mode, the outer photovoltaic plate is arranged on the inner insulation plate in an offset mode towards any one side, so that at least one side edge of the outer photovoltaic plate protrudes out of the inner insulation plate; the outer photovoltaic plate is provided with a junction box connected with an external circuit, and the junction box is arranged on the edge of the outer photovoltaic plate protruding out of the inner insulation plate. The application still provides a photovoltaic curtain wall of forming is assembled by above-mentioned photovoltaic wallboard. This application is improved the structure of photovoltaic wallboard, lets the photovoltaic curtain integrality height of constituteing by the photovoltaic wallboard, has good photovoltaic performance, can prevent that the heat from getting into indoorly, improves the heat preservation effect of building, can ensure the security of being qualified for the next round of competitions on the photovoltaic wallboard again.
Description
Technical Field
This application belongs to photovoltaic building technical field, refers in particular to a photovoltaic wallboard and photovoltaic curtain.
Background
The global warming problem is becoming more severe, the demand of human beings for sustainable energy becomes very urgent due to the exhaustion of fossil energy, and solar energy is considered to be the cleanest and most reliable energy at present, and photovoltaic technology capable of absorbing sunlight and converting light energy into electric energy is developed accordingly. With the development of photovoltaic technology, the photovoltaic technology is widely applied to buildings at present. If set up the photovoltaic curtain on the building, generally by the polylith photovoltaic wallboard constitution that can absorb light energy, be equipped with the terminal box on the back of this photovoltaic wallboard, this terminal box is as the line carrier of external circuit, is connected with the photovoltaic chip in the photovoltaic wallboard to convey the light energy of gathering to the subordinate equipment and do the photovoltaic application. Because the photovoltaic wallboard is installed outdoors, form the heat bridge with the architectural fixed profile easily, lead to the heat to take into from outdoor, be unfavorable for the heat preservation of building.
Therefore, the heat preservation mechanism is additionally arranged on the back surface of the photovoltaic wallboard in the prior art, and the arrangement of the junction box is influenced after the heat preservation mechanism is arranged on the back surface. If the terminal box remains to set up at the back of photovoltaic wallboard, need dig a storage tank from the heat preservation mechanism and set up the terminal box, lead to destroying the integrality of heat preservation mechanism, influence thermal-insulated effect. If the photovoltaic wall panels are adjusted to the side parts of the photovoltaic wall panels, gaps for mounting the junction boxes need to be reserved among the photovoltaic wall panels, the gaps destroy the integrity of light absorption surfaces of the whole photovoltaic curtain wall, influence the light source collecting effect, and enable heat to be directly transferred into the building from the gaps, so that heat preservation of the building is not facilitated; and, if photovoltaic wallboard sets up when the roof, more produced the problem of leaking, need add the manger plate structure and remedy to lead to the cost-push.
Therefore, the photovoltaic curtain wall in the prior art has many defects, and is a research problem of current photovoltaic equipment manufacturers.
Disclosure of Invention
An object of the embodiment of this application is to provide a photovoltaic wallboard and photovoltaic curtain wall, makes the improvement to the structure of photovoltaic wallboard, lets the photovoltaic curtain wall integrality of constituteing by the photovoltaic wallboard high, has good photovoltaic performance, can prevent that the heat from getting into indoorly, improves the heat preservation effect of building, can ensure the security of being qualified for the next round of competitions on the photovoltaic wallboard again.
In order to achieve the purpose, the photovoltaic wallboard comprises an outer photovoltaic plate and an inner insulation plate which are same in plate surface area and are stacked, wherein the outer photovoltaic plate is arranged on the inner insulation plate in an offset mode towards any side, so that at least one side edge of the outer photovoltaic plate protrudes out of the inner insulation plate; the outer photovoltaic plate is provided with a junction box connected with an external circuit, and the junction box is arranged on the edge of the outer photovoltaic plate protruding out of the inner insulation plate.
The application provides a photovoltaic wallboard's beneficial effect lies in: compared with the prior art, let the photovoltaic wallboard be the composite board body of compriseing outer photovoltaic board and inlayer heated board, this outer photovoltaic board has photovoltaic module, has heat preservation mechanism on this inlayer heated board to make the photovoltaic wallboard can have photovoltaic and heat-proof quality simultaneously. In order to assemble the photovoltaic curtain wall, the outer photovoltaic panel is arranged on the inner insulation board in an offset manner, so that the edge of the outer photovoltaic panel protrudes out of the inner insulation board; meanwhile, the edge of the inner-layer heat-preservation plate symmetrical to the convex edge of the outer-layer photovoltaic plate also protrudes out of the outer-layer photovoltaic plate, so that an inner plate body structure and an outer plate body structure which are staggered mutually are formed. When the photovoltaic curtain wall is assembled, a staggered gap is formed between the adjacent photovoltaic wallboards, the junction box can be arranged in the gap formed by the dislocation and connected with an external circuit, and the safety of outgoing lines is ensured, so that the situation that the structure of the inner-layer insulation board is damaged at the back of the photovoltaic wallboards is avoided. In addition, the outer layer photovoltaic panel protruding edge and the inner layer insulation board protruding edge which are arranged in a staggered mode can effectively fill the gap between adjacent photovoltaic wallboards, and therefore the integrity of the photovoltaic curtain wall is guaranteed. Not only the photovoltaic function is enabled to normally operate, but also the wind and rain can be blocked, and the effects of heat insulation and heat preservation can be achieved.
The structure of the photovoltaic wallboard is improved, the outer photovoltaic plate and the inner insulation plate are rectangular plates, and the outer photovoltaic plate is arranged on the inner insulation plate in a manner of offsetting towards any plate corner direction, so that the edges of the outer photovoltaic plate, which are connected to two sides of the plate corner, protrude out of the inner insulation plate. On the one hand, the convex edges on two sides are arranged on the photovoltaic wall boards, when the photovoltaic curtain wall is formed, staggered gaps can be formed between the vertically adjacent or horizontally adjacent photovoltaic wall boards, and the positions for arranging the junction boxes are effectively expanded. On the other hand, the junction box can be selectively arranged between the upper and lower adjacent photovoltaic wallboards or between the left and right adjacent photovoltaic wallboards according to the installation requirement; or the number of the junction boxes can be increased, the junction boxes are arranged between the photovoltaic wallboards which are adjacent up and down and adjacent left and right, and the photovoltaic performance is improved on the premise of ensuring the safety of outgoing lines.
Furthermore, the outer photovoltaic panel comprises a photovoltaic chip, and a glass plate, a plastic plate, a thermal insulation plate and a photovoltaic back plate which are sequentially stacked, wherein the photovoltaic chip is clamped between the plastic plate and the thermal insulation plate, and the junction box is fixed on the edge of the photovoltaic back plate protruding out of the inner insulation plate. The EVA plate is a plate body formed by ethylene-vinyl acetate copolymer, and is beneficial to fixing the photovoltaic chip and improving the fixing effect. The EVA board that has added thermal-insulated modifier can be preferred to adopt to this heat insulating board, and this thermal-insulated modifier is made by the solid silica aerogel that coefficient of thermal conductivity is low, lets the heat insulating board have good heat-proof quality, improves the thermal-insulated effect to the photovoltaic chip.
Further, the inner insulation board comprises a vacuum insulation board and a honeycomb aluminum plate which are stacked, one side face of the vacuum insulation board is fixed to the photovoltaic back plate through high-temperature-resistant structural adhesive, and the other side face of the vacuum insulation board is fixed to the honeycomb aluminum plate through weather-resistant structural adhesive. On the one hand, the vacuum insulation panel and the photovoltaic back panel are fixed through high-temperature-resistant structural adhesive, so that the high-temperature-resistant structural adhesive has good bonding weather performance under high-temperature conditions, and the tensile strength and the shear strength of the panel body are improved. On the other hand, the vacuum insulation panel and the honeycomb aluminum plate are fixed through the weather-resistant structural adhesive, and the toughness of the weather-resistant structural adhesive is utilized, so that the sealing and waterproof effects are ensured, and the vacuum insulation panel and the honeycomb aluminum plate have adjustable performance.
The application also provides a photovoltaic curtain wall, which comprises a plurality of stand columns and a plurality of photovoltaic wallboards, wherein the stand columns are arranged at intervals, and each stand column is provided with a fixing component for mounting the photovoltaic wallboards; the photovoltaic wallboard is provided with a first side wall part and a second side wall part which are symmetrical, the first side wall part is provided with a convex edge of the outer photovoltaic panel, and the second side wall part is provided with a convex edge of the inner insulating panel; the photovoltaic wall boards are respectively spliced with the first side wall parts and the second side wall parts of the adjacent photovoltaic wall boards, so that first gaps and second gaps which are staggered mutually are formed between the first side wall parts and the second side wall parts of the adjacent photovoltaic wall boards, and the junction box is contained in the second gaps, so that an external circuit can be accessed conveniently, and the safety and the photovoltaic performance of outgoing lines are ensured. In addition, the gaps between the adjacent photovoltaic wallboards can be effectively filled by the protruded edge of the outer photovoltaic board and the protruded edge of the inner thermal insulation board which are staggered between the adjacent photovoltaic wallboards, so that the integrity of the whole photovoltaic curtain wall is ensured, the sealing performance of the photovoltaic curtain wall is improved, the normal operation of the photovoltaic function is ensured, and the wind and rain can be blocked and the effective thermal insulation effect can be achieved.
The improved photovoltaic curtain wall structure is characterized in that a filling piece is arranged between the photovoltaic wall plates, the filling piece is arranged in the first gap, and sealing glue for sealing and blocking the outer opening of the first gap is arranged on the filling piece. Wherein the filling member may preferably be a foam rod made of a soft material so as to fit the size of the entire first gap. Simultaneously, the filler piece can be favorable to the increase to add the adsorption plane of sealed glue, lets sealed glue adsorb on the face of adjacent outer photovoltaic board and on the filler piece respectively, improves sealed stability and sealed effect of gluing effectively.
Further, first lateral wall portion is the lower side of photovoltaic wallboard, second lateral wall portion is the upper side of photovoltaic wallboard, the height in first clearance between the photovoltaic wallboard of upper and lower adjacent is less than the second clearance. The height difference between the first gap and the second gap is utilized to prevent a small amount of water liquid from permeating into the first gap from flowing into the inner side of the photovoltaic curtain wall, and further the waterproof effect is improved.
The fixing structure of the photovoltaic wall board and the upright post is improved, the fixing assembly comprises a hanging frame and a cross beam fixed on the upright post, the hanging frame is fixedly connected with the cross beam, and an upper layer hook and a lower layer hook are arranged on the hanging frame; photovoltaic curtain is still including setting up in adjacent coupling assembling between the photovoltaic wallboard, coupling assembling include with the first link that upper hook is connected and with the second link that lower floor's couple is connected, first link is fixed in on the first lateral wall portion of photovoltaic wallboard, the second link is fixed in on the second lateral wall portion of photovoltaic wallboard. Let the mode that photovoltaic wallboard accessible articulate fix on the stand to the operation of assembling between each photovoltaic wallboard improves the installation effectiveness effectively.
Further, the first connecting frame comprises a first horizontal plate and a first vertical plate which are connected, the first horizontal plate extends into the second gap, is fixed with the side part of the honeycomb aluminum plate of the inner-layer heat-insulation plate and is isolated from the vacuum heat-insulation plate of the inner-layer heat-insulation plate; the first vertical plate is fixed with the plate surface of the honeycomb aluminum plate, and a first clasp buckled with the upper-layer hook is arranged on the first vertical plate; the second connecting frame comprises a second horizontal plate and a second vertical plate which are connected, and the second vertical plate is fixed with the plate surface of the honeycomb aluminum plate; the second horizontal plate extends into the second gap, is fixed with the side part of the honeycomb aluminum plate and is isolated from the vacuum insulation plate; and a second clasp hook which extends outwards and is fastened with the lower layer hook is also arranged on the second horizontal plate. The first horizontal plate and the second horizontal plate are respectively arranged in an isolated mode with the vacuum insulation panel of the inner insulation board, so that temperature insulation distances are reserved between the first horizontal plate and the vacuum insulation panel and between the second horizontal plate and the vacuum insulation panel, cold and hot bridges are effectively prevented from being formed, and heat transfer on the photovoltaic curtain wall is reduced.
Still further, the interval sets up between the upper hook of stores pylon and the lower floor's couple to form and be located upper hook with uncovered between the lower floor's couple, the second clip of second link is inserted and with this uncovered lock joint is fixed with lower floor's couple. When the curtain wall is assembled, the photovoltaic wall boards can be hung on the hanging racks of the cross beams of each layer from the top, and the photovoltaic wall boards are assembled from low to high above the ground to form a complete photovoltaic curtain wall, so that the installation efficiency is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a photovoltaic wall panel provided in an embodiment of the present application;
fig. 2 is a schematic side structural view of a photovoltaic wall panel provided by an embodiment of the present application;
fig. 3 is a schematic structural view of the photovoltaic wall panels adjacent to each other up and down in the photovoltaic curtain wall provided in the embodiment of the present application;
fig. 4 is a schematic side structural view of an outer photovoltaic panel provided in an embodiment of the present application;
fig. 5 is a schematic side structure view of an inner layer insulation board provided in an embodiment of the present application;
fig. 6 is another schematic structural view of a photovoltaic wall panel provided by an embodiment of the present application;
fig. 7 is a schematic structural view of a photovoltaic wall panel adjacent to each other on the left and right in a photovoltaic curtain wall provided by the embodiment of the present application;
FIG. 8 is a schematic view of a photovoltaic curtain wall mounting structure provided in the embodiments of the present application;
fig. 9 is a schematic view of an assembly structure between upper and lower adjacent photovoltaic wall panels in a photovoltaic curtain wall provided by an embodiment of the present application;
fig. 10 is a schematic view of a fixing structure on a vertical column of a photovoltaic curtain wall provided in the embodiment of the present application.
Wherein, in the figures, the respective reference numerals:
100-photovoltaic wall panels; 101-a first sidewall portion; 102-a second sidewall portion; 201-a first gap; 202-a second gap;
1-outer photovoltaic panel; 11-a photovoltaic chip; 12-a glass plate; 13-a plastic plate; 14-a heat insulation plate; 15-a photovoltaic backsheet;
2-inner layer insulation board; 21-vacuum insulation panels; 22-honeycomb aluminum plate; 23-high temperature resistant structural adhesive; 24-weather-resistant structural adhesive;
3-a junction box; 4-upright post; 5-a filling member; 51-sealing glue;
6-hanging rack; 61-upper layer hook; 62-lower layer hook; 63-open; 7-a cross beam;
8-a first connecting frame; 81-a first horizontal plate; 82-a first vertical plate; 83-a first clasp;
9-a second connecting frame; 91-a second horizontal plate; 92-a second vertical plate; 93-second clasp.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in operation as a limitation of the application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The photovoltaic wallboard and the photovoltaic curtain wall provided by the embodiment of the application are explained. Referring to fig. 1 and fig. 2, the photovoltaic wall panel 100 includes an outer photovoltaic panel 1 and an inner insulation panel 2, which have the same panel area and are stacked, wherein the outer photovoltaic panel 1 is offset on the inner insulation panel 2 to any side, so that at least one side edge of the outer photovoltaic panel 1 protrudes out of the inner insulation panel 2. The outer photovoltaic plate 1 is provided with a junction box 3 connected with an external circuit, and the junction box 3 is arranged on the edge of the outer photovoltaic plate 1 protruding out of the inner insulation board 2.
Compared with the prior art, the photovoltaic wallboard 100 provided by the application has the advantages that the photovoltaic wallboard 100 is a composite board body formed by the outer photovoltaic board 1 and the inner layer heat-insulation board 2, the outer photovoltaic board 1 is provided with a photovoltaic assembly, and the inner layer heat-insulation board 2 is provided with a heat-insulation mechanism, so that the photovoltaic wallboard 100 can have photovoltaic performance and heat-insulation performance at the same time. In order to assemble the photovoltaic curtain wall, the outer photovoltaic panel 1 is arranged on the inner insulation board 2 in an offset manner, so that the edge A of the outer photovoltaic panel 1 protrudes out of the inner insulation board 2; meanwhile, the edge B of the inner-layer heat-insulation board 2 symmetrical to the convex edge A of the outer-layer photovoltaic board 1 also protrudes out of the outer-layer photovoltaic board 1, so that an inner and outer board body structure staggered with each other is formed. When the photovoltaic curtain wall is assembled, please refer to fig. 3, staggered gaps C and D are formed between adjacent photovoltaic wallboards 100, so that the junction box 3 can be arranged in the gap D formed by the dislocation and connected with an external circuit, and the safety of outgoing lines is ensured, thereby avoiding the damage to the structure of the inner insulation board 2 caused by the arrangement on the back of the photovoltaic wallboards 100. In addition, the convex edge A of the outer photovoltaic panel 1 and the convex edge B of the inner insulation board 2 which are arranged in a staggered mode can effectively fill up the gap between the adjacent photovoltaic wallboards 100, so that the integrity of the photovoltaic curtain wall is ensured. Not only the photovoltaic function is enabled to normally operate, but also the wind and rain can be blocked, and the effects of heat insulation and heat preservation can be achieved.
Referring to fig. 4, the outer photovoltaic panel 1 includes a photovoltaic chip 11, and a glass plate 12, a plastic plate 13, a thermal insulation board 14, and a photovoltaic back panel 15, which are sequentially stacked, the photovoltaic chip 11 is clamped between the plastic plate 13 and the thermal insulation board 14, and the junction box 3 is fixed on the edge of the photovoltaic back panel 15 protruding from the inner insulation board 2.
Specifically, the plastic plate 13 may preferably be an EVA plate having high toughness, strong impact resistance, and good heat sealing performance, and the EVA plate is a plate body made of an ethylene-vinyl acetate copolymer, which is beneficial to fixing the photovoltaic chip 11 and improving the fixing effect.
The thermal insulation board 14 can preferably adopt an EVA board added with a thermal insulation modifier, and the thermal insulation modifier is made of solid silica aerogel with low thermal conductivity coefficient, so that the thermal insulation board 14 has good thermal insulation performance, and the thermal insulation effect on the photovoltaic chip 11 is improved.
Referring to fig. 5, the inner insulation board 2 includes a vacuum insulation board 21 and a honeycomb aluminum plate 22 stacked together, and one side of the vacuum insulation board 21 is fixed to the photovoltaic back panel 15 by a high temperature resistant structural adhesive 23, so that the high temperature resistant structural adhesive 23 has good adhesion weather resistance under high temperature conditions, and the tensile strength and the shear strength of the panel body are improved. The other side of the vacuum insulation panel 21 is fixed with the aluminum honeycomb panel 22 through the weather-resistant structural adhesive 24, so that the toughness of the weather-resistant structural adhesive 24 is utilized, the sealing and waterproof effects are ensured, and the adjustable performance is achieved between the vacuum insulation panel 21 and the aluminum honeycomb panel 22.
The vacuum insulation panel 21 is preferably formed by combining a filling core material and a vacuum protection outer layer, has a heat transfer characteristic of blocking air convection, can greatly reduce a heat conductivity coefficient, and effectively blocks heat transferred from the outer photovoltaic panel 1.
This honeycomb aluminum plate 22 is preferred to be by the composite sheet that high strength alloy aluminum plate and aluminium honeycomb core constitute, has light in weight, intensity height, the good characteristic of roughness to when each photovoltaic wallboard 100 splices and assembles into the curtain wall structure, play effectual supporting role.
In another embodiment of the present application, please refer to fig. 6, in another structure of the photovoltaic wall panel 100, an outer photovoltaic panel 1 and an inner insulation panel 2 are both rectangular plate bodies, the outer photovoltaic panel 1 is disposed on the inner insulation panel 2 in a manner of being offset towards any panel corner E, so that edges a1 and a2 connected to two sides of the panel corner E on the outer photovoltaic panel 1 protrude out of the inner insulation panel 2, and edges B1 and B2 of the symmetrical inner insulation panel 2 also protrude out of the outer photovoltaic panel 1 relatively. On one hand, when the photovoltaic wall panel 100 has the protruding edges on both sides, in addition to the staggered gaps C and D formed between the adjacent photovoltaic wall panels 100, please refer to fig. 7, staggered gaps F and G are also formed between the adjacent photovoltaic wall panels 100 on the left and right, so that the junction box 3 can be disposed in the gap G, and the portion for disposing the junction box 3 is effectively expanded. On the other hand, the junction box 3 can be selectively arranged between the upper and lower adjacent photovoltaic wallboards 100 or between the left and right adjacent photovoltaic wallboards 100 according to the installation requirement; or, the number of the junction boxes 3 can be increased, and the junction boxes 3 are arranged between the vertically adjacent photovoltaic wallboards 100 and between the horizontally adjacent photovoltaic wallboards 100, so that the photovoltaic performance is improved on the premise of ensuring the outgoing line safety.
Referring to fig. 8 and 9, the present application further provides a photovoltaic curtain wall assembled by the photovoltaic wall panels 100, which includes a plurality of columns 4 and a plurality of photovoltaic wall panels 100, wherein the plurality of columns 4 are arranged at intervals, and each column 4 is provided with a fixing component for installing the photovoltaic wall panel 100; the photovoltaic wallboard 100 is provided with a first side wall part 101 and a second side wall part 102 which are symmetrical, the first side wall part 101 is provided with a convex edge of the outer photovoltaic panel 1, and the second side wall part 102 is provided with a convex edge of the inner insulation board 2; the photovoltaic wallboards 100 are respectively spliced with the first side wall part 101 and the second side wall part 102 of the adjacent photovoltaic wallboard 100, so that a first gap 201 and a second gap 202 which are staggered with each other are formed between the first side wall part 101 and the second side wall part 102 of the adjacent photovoltaic wallboard 100, and the junction box 3 is accommodated in the second gap 202, so that an external circuit can be accessed conveniently, and the safety of outgoing lines and the photovoltaic performance can be ensured. In addition, the protruding edge of the outer photovoltaic panel 1 and the protruding edge of the inner insulation board 2 which are staggered between the adjacent photovoltaic wallboards 100 can effectively fill the gap between the adjacent photovoltaic wallboards 100, so that the integrity of the whole photovoltaic curtain wall is ensured, the sealing performance of the photovoltaic curtain wall is improved, the normal operation of the photovoltaic function is ensured, and the effects of wind and rain blocking and effective heat insulation and heat preservation are achieved.
Referring to fig. 8, a filling member 5 is disposed between adjacent photovoltaic wall panels 100, the filling member 5 is disposed in the first gap 201, and a sealant 51 for sealing an external opening of the first gap 201 is disposed on the filling member 5. Therein, the filling member 5 may preferably be a foam rod made of soft material so as to fit the size of the whole first gap 201. Meanwhile, the filling member 5 can be beneficial to increasing the adsorption surface added with the sealant 51, so that the sealant 51 can be respectively adsorbed on the surfaces of the adjacent outer photovoltaic panels 1 and the filling member 5, and the stability and the sealing effect of the sealant 51 are effectively improved.
Specifically, referring to fig. 8 and 9, the first sidewall 101 is preferably a lower side of the photovoltaic wall panel 100, the second sidewall 102 is preferably an upper side of the photovoltaic wall panel 100, and a height of the first gap 201 between the upper and lower adjacent photovoltaic wall panels 100 is lower than that of the second gap 202. The height difference between the first gap 201 and the second gap 202 is utilized to prevent a small amount of water liquid permeating from the first gap 201 from flowing into the inner side of the photovoltaic curtain wall, so that the waterproof effect is improved.
In another embodiment of the present application, the fixing structure of the photovoltaic wall panel 100 and the upright 4 is optimized, please refer to fig. 8 and fig. 10, the fixing assembly includes a hanging rack 6 and a cross beam 7 fixed on the upright 4, the hanging rack 6 is fixedly connected with the cross beam 7, preferably by a fixing method of forming a screw hole and installing a fastener such as a screw. The hanger 6 is provided with an upper hook 61 and a lower hook 62, the photovoltaic curtain wall further comprises a connecting assembly arranged between the adjacent photovoltaic wallboards 100, the connecting assembly comprises a first connecting frame 8 connected with the upper hook 61 and a second connecting frame 9 connected with the lower hook 62, the first connecting frame 8 is fixed on a first side wall part 101 of the photovoltaic wallboard 100, and the second connecting frame 9 is fixed on a second side wall part 102 of the photovoltaic wallboard 100. Therefore, the photovoltaic wall panels 100 can be fixed on the upright posts 4 in a hanging mode, so that the assembly operation among the photovoltaic wall panels 100 is convenient, and the installation efficiency is effectively improved.
Referring to fig. 9, the first connecting frame 8 includes a first horizontal plate 81 and a first vertical plate 82 connected to each other, and the first horizontal plate 81 extends into the second gap 202, is fixed to the side of the aluminum honeycomb plate 22 of the inner insulation board 2, and is isolated from the vacuum insulation board 21 of the inner insulation board 2. The first vertical plate 82 is fixed to the surface of the aluminum honeycomb panel 22, and the first vertical plate 82 is provided with a first hook 83 fastened to the upper hook 61. The fixing manner between the first horizontal plate 81 and the first vertical plate 82 and the inner insulation board 2 can be realized by forming screw holes and fixing manner such as screws by additionally installing fasteners, and the fixing manner is not limited in detail here.
The second connecting frame 9 comprises a second horizontal plate 91 and a second vertical plate 92 which are connected, and the second vertical plate 92 is fixed with the plate surface of the aluminum honeycomb plate 22; the second horizontal plate 91 extends into the second gap 202, is fixed with the side part of the aluminum honeycomb plate 22 and is isolated from the vacuum insulation plate 21; the second horizontal plate 91 is further provided with a second hook 93 which extends outwards and is fastened with the lower hook 62. The fixing manner between the second horizontal plate 91 and the second vertical plate 92 and the inner layer heat insulation plate 2 may also be implemented by forming screw holes and fixing manner with additional fasteners such as screws, and the fixing manner is not limited specifically here.
On one hand, the first horizontal plate 81 and the second horizontal plate 91 are respectively isolated from the vacuum insulation panel 21 of the inner insulation board 2, so that a thermal insulation distance is formed between the first horizontal plate 81 and the vacuum insulation panel 21 and between the second horizontal plate 91 and the vacuum insulation panel 21, and a cold and hot bridge is effectively prevented from being formed, so that heat transfer on the photovoltaic curtain wall is reduced.
On the other hand, referring to fig. 9 and 10, the upper layer hook 61 and the lower layer hook 62 of the hanger 6 are spaced apart from each other and form an opening 63 between the upper layer hook 61 and the lower layer hook 62, and the second hook 93 of the second connecting frame 9 is inserted into the opening 63 and fastened and fixed with the lower layer hook 62. When the curtain wall is assembled, the photovoltaic wall boards 100 can be hung on the hanging frames 6 of the cross beams 7 of all layers from the top, and the photovoltaic wall boards 100 are assembled from low to high above ground to form a complete photovoltaic curtain wall, so that the installation efficiency is effectively improved.
The above description is only a preferred embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (5)
1. The utility model provides a photovoltaic curtain which characterized in that: the photovoltaic wallboard comprises a plurality of stand columns and a plurality of photovoltaic wallboards, wherein the photovoltaic wallboards comprise an outer photovoltaic board and an inner insulation board which have the same board surface area and are stacked, the outer photovoltaic board is arranged on the inner insulation board in a manner of offsetting towards any side, so that at least one side edge of the outer photovoltaic board protrudes out of the inner insulation board; the outer-layer photovoltaic panel is provided with a junction box connected with an external circuit, and the junction box is arranged on the edge of the outer-layer photovoltaic panel protruding out of the inner-layer heat insulation board;
the plurality of stand columns are arranged at intervals, and each stand column is provided with a fixing component for mounting the photovoltaic wallboard; the photovoltaic wallboard is provided with a first side wall part and a second side wall part which are symmetrical, the first side wall part is provided with a convex edge of the outer photovoltaic panel, and the second side wall part is provided with a convex edge of the inner insulating panel; the photovoltaic wallboards are spliced with the first side wall parts and the second side wall parts of the adjacent photovoltaic wallboards respectively, so that first gaps and second gaps which are staggered with each other are formed between the first side wall parts and the second side wall parts of the adjacent photovoltaic wallboards, and the junction box is accommodated in the second gaps;
the outer-layer photovoltaic panel comprises a photovoltaic chip, and a glass plate, a plastic plate, a thermal insulation plate and a photovoltaic back plate which are sequentially stacked, wherein the photovoltaic chip is clamped between the plastic plate and the thermal insulation plate, and the junction box is fixed on the edge of the photovoltaic back plate protruding out of the inner-layer thermal insulation plate;
the inner-layer heat-insulation board comprises a vacuum heat-insulation board and a honeycomb aluminum board which are stacked, one side face of the vacuum heat-insulation board is fixed with the photovoltaic back board through high-temperature-resistant structural adhesive, and the other side face of the vacuum heat-insulation board is fixed with the honeycomb aluminum board through weather-resistant structural adhesive;
the fixed assembly comprises a hanging rack and a cross beam fixed on the upright post, the hanging rack is fixedly connected with the cross beam, and an upper layer hook and a lower layer hook are arranged on the hanging rack; the photovoltaic curtain wall further comprises a connecting assembly arranged between the adjacent photovoltaic wallboards, the connecting assembly comprises a first connecting frame connected with the upper layer hook and a second connecting frame connected with the lower layer hook, the first connecting frame is fixed on the first side wall part of the photovoltaic wallboard, and the second connecting frame is fixed on the second side wall part of the photovoltaic wallboard;
the first connecting frame comprises a first horizontal plate and a first vertical plate which are connected, the first horizontal plate extends into the second gap, is fixed with the side part of the honeycomb aluminum plate of the inner-layer heat-insulation plate and is isolated from the vacuum heat-insulation plate of the inner-layer heat-insulation plate; the first vertical plate is fixed with the plate surface of the honeycomb aluminum plate, and a first clasp buckled with the upper-layer hook is arranged on the first vertical plate; the second connecting frame comprises a second horizontal plate and a second vertical plate which are connected, and the second vertical plate is fixed with the plate surface of the honeycomb aluminum plate; the second horizontal plate extends into the second gap, is fixed with the side part of the honeycomb aluminum plate and is arranged in an isolated manner with the vacuum insulation plate; and a second clasp hook which extends outwards and is fastened with the lower layer hook is also arranged on the second horizontal plate.
2. The photovoltaic curtain wall as claimed in claim 1, wherein: and a filling piece is arranged between the adjacent photovoltaic wallboards, the filling piece is arranged in the first gap, and a sealant for plugging the external opening of the first gap is arranged on the filling piece.
3. The photovoltaic curtain wall of claim 1, wherein: the first side wall portion is the lower side portion of the photovoltaic wallboard, the second side wall portion is the upper side portion of the photovoltaic wallboard, and the height of the first gap between the vertically adjacent photovoltaic wallboards is lower than the second gap.
4. The photovoltaic curtain wall as claimed in claim 1, wherein: the interval sets up between the upper hook of stores pylon and the lower floor's couple to form and be located upper hook with uncovered between the lower floor's couple, the second clip of second link follow this uncovered insert and with lower floor's couple lock joint is fixed.
5. The photovoltaic curtain wall as claimed in claim 1, wherein: the outer photovoltaic plate and the inner insulation plate are rectangular plates, and the outer photovoltaic plate is arranged on the inner insulation plate in a manner of offsetting towards any plate corner direction, so that the edges of the outer photovoltaic plate, which are connected to two sides of the plate corner, protrude out of the inner insulation plate.
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| CN114961056A (en) * | 2022-06-09 | 2022-08-30 | 郑州大学综合设计研究院有限公司 | Bridge-cutoff type photovoltaic power generation heat-insulation composite integrated plate structure and mounting method thereof |
| CN117559905A (en) * | 2023-11-20 | 2024-02-13 | 中国建筑东北设计研究院有限公司 | Wire guide piece for photovoltaic heat-insulating wallboard and photovoltaic heat-insulating wallboard |
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Effective date of registration: 20221018 Address after: 250000 east half area, 13th floor, 33399 Jingshi East Road, Licheng District, Jinan City, Shandong Province Patentee after: Shuifa Energy Group Co.,Ltd. Patentee after: ZHUHAI SINGYES GREEN BUILDING TECHNOLOGY Co.,Ltd. Patentee after: Shuifa Xingye energy (Zhuhai) Co.,Ltd. Patentee after: ZHUHAI CHINA CONSTRUCTION XINGYE GREEN BUILDING DESIGN INSTITUTE CO.,LTD. Patentee after: ZHUHAI XINGYE ENERGY SAVING SCIENCE AND TECHNOLOGY Co.,Ltd. Address before: 250000 east half area, 13th floor, 33399 Jingshi East Road, Licheng District, Jinan City, Shandong Province Patentee before: Shuifa Energy Group Co.,Ltd. Patentee before: ZHUHAI SINGYES GREEN BUILDING TECHNOLOGY Co.,Ltd. Patentee before: ZHUHAI CHINA CONSTRUCTION XINGYE GREEN BUILDING DESIGN INSTITUTE CO.,LTD. Patentee before: ZHUHAI XINGYE ENERGY SAVING SCIENCE AND TECHNOLOGY Co.,Ltd. |
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