CN102544143B - Construction PV/T (photovoltaic/thermal) combined system convenient in maintenance and replacement - Google Patents

Construction PV/T (photovoltaic/thermal) combined system convenient in maintenance and replacement Download PDF

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CN102544143B
CN102544143B CN201110440867.5A CN201110440867A CN102544143B CN 102544143 B CN102544143 B CN 102544143B CN 201110440867 A CN201110440867 A CN 201110440867A CN 102544143 B CN102544143 B CN 102544143B
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photovoltaic
heat transfer
transfer oil
hot water
heat
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CN102544143A (en
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彭昌海
黄莹
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Southeast University
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Southeast University
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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/60—Thermal-PV hybrids

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Abstract

The invention provides a construction PV/T (photovoltaic/thermal) combined system convenient in maintenance and replacement, which utilizes heat collection fluid as a cooling medium and comprises photovoltaic/hot water battery components and a supporting steel frame. Cables, a heat transfer fluid heat flow pipeline and a heat transfer fluid cold flow pipeline are arranged in the supporting steel frame, a heat collection capillary tube layer is combined on photovoltaic/hot water battery components to form the photovoltaic/hot water battery components, two upper spring connection modules are mounted on one side of the photovoltaic/hot water battery components, lower fixed-connection modules are mounted on the other sides of the photovoltaic/hot water battery component, contacts of positive and negative electrode circuits of the photovoltaic/hot water battery components are arranged at one end of one spring connection module, the heat collection capillary tubes are provided with input and output ports arranged at the other spring connection module, the photovoltaic/hot water battery components are connected on the supporting steel frame through the two upper spring connection modules and the lower fixed-connection modules, the contacts of the positive and negative circuits are connected with the cables electrically, and the input and output ports of the heat collection capillary tubes are respectively connected with a joint of the heat transfer fluid cold flow pipeline and a joint of the heat transfer fluid hot flow pipeline correspondingly.

Description

A kind of building PV/T hybrid system of being convenient to maintenance and changeing
Technical field
Present technique relate to solar building photovoltaic (being PV) member maintenance, change the thermal energy collecting with the PV member back side, a kind of maintenance and building PV/T hybrid system of changeing be convenient to specifically, by simple spring fastenings, hot conduit system by photovoltaic/hot water battery component and Integration of building, avoid complicated connection simultaneously, realize photovoltaic/hot water building integrated.
Background technology
Photovoltaic cell component is called for short PV member, can make difformity, and assembly can be connected in series or in parallel, to adapt to electric power and construction style requirement.Due to photovoltaic cell component install after for a long time in no worker monitor state, so need to make regular check on, keep in repair and nurse, for the photovoltaic module damaging, change, guarantee that opto-electronic conversion normally carries out.It is worth mentioning that, the photoelectric conversion efficiency of most of PV arrays is subject to the impact of temperature to a great extent, and along with the rising of operating ambient temperature, its efficiency can reduce greatly.Equally, under higher operating temperature, also can reduce the useful life of photovoltaic array.If improve photovoltaic efficiency and PV array life-span, facts have proved, should reduce as far as possible the temperature of array.In addition, be arranged on architectural PV array, heat load and the refrigeration duty of building are had to positive and passive impact.Therefore, promoting PV thermal property is a major challenge that current photovoltaic industry faces, and is also the primary condition that following PV assembly is widely applied in photovoltaic building.BIPV/T(photovoltaic/heat collecting construction is integrated) be that development comes on the basis of BIPV, also can be described as BIPV of new generation, there is practical value and innovative significance.
If the luminous energy of solar energy and heat energy are combined under a system, photovoltaic/thermal-arrest (PV/T) system, so just can partly replace the use of conventional electric energy.This is significant to solving the energy and the environmental problem that becomes serious that heal in recent years.Insider unanimously thinks design a kind of photovoltaic/thermal-arrest (PV/T) system, and when improving building electricity conversion, also by heat recovery and utilization, this all has larger temptation to the popularization of photovoltaic industry or to the raising of the performance of building.
For the classification of PV/T heat collector, have multiplely, and have their own characteristics each.The PV/T heat collector that sees report has plate and light-focusing type.Plate PV/T heat collector is due to simple in structure, easy and Integration of building, therefore its research is extensive compared with light-focusing type PV/T heat collector.According to the difference of heat collector coolant, PV/T heat collector can be divided into PV/T-w heat collector (coolant is liquid, and wherein, water is common coolant) and PV/T-a heat collector (coolant is air).Conventionally, the coolant flow channel cross section of PV/T-a heat collector is larger than PV/T-w heat collector, and efficiency is more much lower than PV/T-w heat collector.PV/T-w heat collector requires very high to cooling fluid, general municipal tap water, due to easy fouling, is difficult to meet the demands.Improving one's methods is to use high heat capacity and mobile heat collecting liquid smooth, non flouling behaviour, and then by heat exchanger, exchange heat is gone out.As can be seen here, PV/T-w heat collector (coolant is heat collecting liquid) is of tool prospect in numerous PV/T heat collector types.
Summary of the invention
The object of present technique is to provide a kind of building PV/T hybrid system of being convenient to maintenance and changeing, coolant is heat collecting liquid.
The building PV/T hybrid system of being convenient to maintenance and changeing of present technique, is characterized in that, comprises photovoltaic/hot water battery component 1, supporting steel frame 2; In supporting steel frame 2, be provided with cable, heat transfer oil hot-fluid pipeline and heat transfer oil cold flow pipeline; On photovoltaic cell component, be compounded with one deck heat and collect capillary 14 formation photovoltaic/hot water battery components 1; Two upper spring link blocks 3 are arranged on a side of photovoltaic/hot water battery component 1, under be fixedly connected with the opposite side that module 9 is arranged on described photovoltaic/hot water battery component 1; The positive and negative electrode circuit contact point of photovoltaic/hot water battery component 1 is arranged on the end of a spring link block 3; Heat is collected capillary 14 and is had the heat collection capillary input/output port 4 that is positioned at another spring link block 3 places; Photovoltaic/hot water battery component 1 by two upper spring link blocks 3 with under be fixedly connected with module 9 and be connected on supporting steel frame 2, positive and negative electrode circuit contact point is electrically connected to cable, and heat is collected capillary input/output port 4 and is connected with heat transfer oil cold flow pipe joint 20, heat transfer oil heat flow tube pipeline joint 19 correspondences respectively.
The beneficial effect of present technique: compared with prior art, present technique is simplicity of design, convenience, flexible not only, installation cost is low, and can utilize the heat at the photovoltaic battery panel back side, and improve and build photovoltaic efficiency, in popularization solar photovoltaic building application aspect, there is greater significance, can further advance the innovation and application of building energy conservation.
Above-mentioned building PV/T hybrid system, described upper spring link block 3 consists of two C shape steel discs 29, two springs 30 and a slide block 31; C shape steel disc 29 is fixed on photovoltaic/hot water battery component 1, and slide block 31 two ends are slidably arranged in respectively on a medial surface of two C shape steel discs 29; Spring 30 two ends are fixed with another medial surface and the slide block of C shape steel disc 29 respectively.
Above-mentioned building PV/T hybrid system, heat transfer oil hot-fluid pipeline and heat transfer oil cold flow pipeline are insulated piping.
Above-mentioned building PV/T hybrid system, on described supporting steel frame 2, be provided with upper spring link block 3 with under be fixedly connected with the connection hole 25,26 of photovoltaic/hot water battery component 1 corresponding to module 9; The circuit contact point of supporting steel frame 2 inner cables is arranged in the connection hole 25 corresponding with upper spring link block 3; Heat transfer oil cold flow pipe joint 20 and heat transfer oil heat flow tube pipeline joint 19 are arranged in the groove at connection hole 25 places corresponding with another upper spring link block 3.
Above-mentioned building PV/T hybrid system, it also comprises that the electricity-liquid that is positioned at the two ends that are arranged on supporting steel frame 2 gathers shaped steel 5, and electricity-liquid gathers in shaped steel 5 and is provided with way circuit and heat transfer oil total pipeline, and way circuit is connected with cable; Heat transfer oil total pipeline communicates with heat transfer oil hot-fluid pipeline and heat transfer oil cold flow pipeline respectively.
Above-mentioned building PV/T hybrid system, what in heat collection capillary 14, heat transfer oil hot-fluid pipeline and heat transfer oil cold flow pipeline, flow is not have the heat transfer oil freezing.
Above-mentioned building PV/T hybrid system, it is copper pipe or aluminum pipe that heat is collected capillary 14, and is the double-spiral structure of ceoncentrically wound coil.
Described hot conduit system comprises that heat collection capillary 14, heat transfer oil conveyance conduit 27 and the electricity-liquid on photovoltaic/hot water battery component gathers cable and the heat transfer oil conveyance conduit on shaped steel 5.Described heat is collected between capillary 14 and heat transfer oil conveyance conduit 27 and is connected with heat transfer oil heat flow tube pipeline joint 19, heat transfer oil cold flow pipe joint 20 by heat transfer oil hot-fluid output port 7, heat transfer oil cold flow input port 8.Described heat transfer oil conveyance conduit 27 comprises heat transfer oil hot-fluid output channel 22 and heat transfer oil cold flow input channel 23, and pipeline all has thermal and insulating performance.Described heat transfer oil conveyance conduit 27 is first by photovoltaic/hot water battery component 1 parallel connection on same level layer, and then is parallel to electricity-liquid and gathers the heat transfer oil conveyance conduit on shaped steel 5, leads to hot water facility system.
What flow in described hot conduit system is not have the heat transfer oil freezing, as fused salt---and the mixture of saliter hydrochlorate and potassium etc.The heat collection capillary 14 being close together with photovoltaic battery panel 12 is the copper pipe of high heat conduction or aluminum pipe, and is the double-spiral structure of ceoncentrically wound coil.
Accompanying drawing explanation
Fig. 1 is a kind of building PV/T hybrid system schematic diagram of being convenient to maintenance and changeing;
Fig. 2 is photovoltaic/hot water battery module structure schematic diagram in present technique;
Fig. 3 is upper spring link block schematic diagram;
Fig. 4 is photovoltaic/hot water battery component front shaft side figure;
Fig. 5 is photovoltaic/hot water battery component back side shaft side figure;
Fig. 6 is that the double-stranded heat of the ceoncentrically wound coil of photovoltaic/hot water battery component in present technique is collected capillary schematic diagram;
Fig. 7 is heat transfer oil pipeline input/output interface schematic diagram in present technique;
Fig. 8 is supporting steel frame schematic diagram in present technique;
Fig. 9 is supporting steel frame schematic diagram in present technique.
Embodiment
Below in conjunction with accompanying drawing, present technique is described further:
As shown in Figure 1, a kind of building PV/T hybrid system of being convenient to maintenance and changeing, comprises photovoltaic/hot water battery component 1, supporting steel frame 2 and hot conduit system 28.
Described building PV/T hybrid system is on the basis of " a kind of building PV member of being convenient to maintenance and changeing ", photovoltaic cell component is compounded with to one deck heat and collects capillary 14, thereby formed photovoltaic/hot water battery component 1.On supporting steel frame 2, increased a set of heat transfer oil pipeline system, and respectively photovoltaic/hot water battery component 1 has been connected with heat transfer oil pipeline system with Circuits System by two upper spring link blocks 3 simultaneously.Photovoltaic/hot water battery component 1 by upper spring link block 3 with under be fixedly connected with module 9 and be connected on supporting steel frame 2.Circuit between each photovoltaic/hot water battery component 1 connects in the mode of serial or parallel connection, and gathers electricity-liquid gather shaped steel 5 together with the heat transfer oil pipeline connecting in parallel, thereby combines closely with building and control appliance.Photovoltaic/hot water battery component 1 gathers shaped steel 5 by supporting steel frame 2 and electricity-liquid combines closely with building, does not need professional staff and special removal tool special, just can realize the installation and removal of photovoltaic/hot water battery component.
As shown in Figure 2, described photovoltaic/hot water battery component 1 comprise upper spring link block 3, under be fixedly connected with module 9, glass cover-plate 10, sealed filling material 11, photovoltaic cell 12, heat-absorbing material 13, heat is collected capillary 14, thermal insulation layer 15, aluminium backboard 16, aluminium frame 17 and heat and is collected capillary input/output port 4.Described upper spring link block 3 is arranged on a side of photovoltaic/hot water battery component 1, is fixedly connected with the opposite side that module 9 is arranged on described photovoltaic/hot water battery component 1 under described.The modes of emplacement of described photovoltaic/hot water battery component 1 (traverse or vertical putting) is hard and fast rule not, can determine according to the location situation of supporting steel frame.The factors such as general consideration stressing conditions, degree easy for installation and operating habit often by photovoltaic/hot water battery component 1 traverse, are indulged photovoltaic/hot water battery component 1 to put on roofing on curtain wall.Photovoltaic/hot water battery component 1 shown in Fig. 1 is traverse state.
As shown in Figure 3, described upper spring link block 3 is basically identical with the upper spring link block structure and installment mode in " a kind of building PV member of being convenient to maintenance and changeing ".Upper spring link block 3 consists of C shape steel disc 29, spring 30 and slide block 31.C shape steel disc 29 is weldingly fixed on photovoltaic module 1, and spring 30 one end is fixed on C shape steel disc 29, and the other end is fixed on slide block 31, and slide block 31 can slide on C shape steel disc 29.Module 3 auto-lock functions, do not need extra bolt connection piece, just photovoltaic/hot water battery component 1 can be fixed on building-supporting steelframe.Promote when mounted slide block, after installation, photovoltaic/hot water battery component self-locking under the effect of spring, is fixed on photovoltaic/hot water battery component in steelframe support system.Described two upper spring link blocks 3 all play the effect of fixed connecting piece, and one of them module is used for connecting circuit, utilize simultaneously another module structure spatial design the position of conductive liquid conveyance conduit connectivity port 4.Upper spring link block 3 ends for connecting circuit are provided with positive and negative electrode circuit contact point.
As shown in Figure 4 and Figure 5, under described photovoltaic/hot water battery component, be fixedly connected with module and can adopt the mode of welding to be connected with photovoltaic battery panel, under be fixedly connected with module and after photovoltaic/hot water battery component is installed, play load-bearing, spacing, fixing effect.Under to be fixedly connected with the form of module 9 unrestricted, as long as guarantee force request, and can dock fixing with supporting steel frame.
As shown in Fig. 4 to 7, heat on described photovoltaic/hot water battery component 1 is collected capillary input/output port 4 and is comprised heat transfer oil hot-fluid output port 7 and heat transfer oil cold flow input port 8, respectively with heat transfer oil heat flow tube pipeline joint 19 and 20 corresponding connections of heat transfer oil cold flow pipe joint on supporting steel frame 2.Heat transfer oil hot-fluid output port 7 and heat transfer oil cold flow input port 8 are arranged on the upper spring link block of photovoltaic/hot water battery component and omit top, make full use of the structure space of module.
As shown in Figure 8 and Figure 9, interior cable transfer pipeline 24 and the heat transfer oil conveyance conduit 27 of arranging of described supporting steel frame 2.The interior cable that arranges of cable transfer pipeline 24.Described heat transfer oil conveyance conduit 27 comprises heat transfer oil hot-fluid output channel 22 and heat transfer oil cold flow input channel 23, pipeline all has thermal and insulating performance (insulated piping), with flexible foam rubber-plastic heat insulation material, heat transfer oil hot-fluid output channel 22 and the heat transfer oil cold flow input channel 23 of conveying heat transfer oil is wrapped up respectively.On described supporting steel frame 2 reserved and described upper spring link block 3 with under be fixedly connected with the connection hole 25,26 of photovoltaic/hot water battery component 1 corresponding to module 9.Wherein on supporting steel frame, in the connection hole 25 corresponding with the upper spring link block connecting for circuit, be provided with the circuit contact point corresponding with upper spring link block, on supporting steel frame, in the connection hole 25 corresponding with being not used in another upper spring link block that circuit connects, do not establish circuit contact point, but be provided with herein groove, heat transfer oil heat flow tube pipeline joint 19 and heat transfer oil cold flow pipe joint 20 are set in this groove.
Described electricity-liquid gathers shaped steel 5 and is positioned at the two ends of respectively arranging supporting steel frame 2, for gathering of circuit and heat transfer oil pipeline, also each row's supporting steel frame is played to spacing and fixing effect simultaneously.For low profile photovoltaic installation system, the quantity of required photovoltaic/hot water battery component 1 is few, now may only need to use electricity-liquid of respectively arranging supporting steel frame 2 one end and gather shaped steel 5 and can meet gathering of circuit and heat transfer oil circuit.For medium-sized photovoltaic installation system, electricity-liquid of considering the quantity ，Ke Jiang two ends of circuit gathers shaped steel 5 gathering for circuit and heat transfer oil circuit all.For large-scale or superhuge photovoltaic installation system, can consider depending on middle-size and small-size photovoltaic installation system to be the mode of an integral module, and will after these module combinations, install.
As shown in Fig. 1 and Fig. 5-9, described hot conduit system 28 comprises heat collection capillary 14, heat transfer oil conveyance conduit 27 and the total bus dump of heat transfer oil (heat transfer oil total pipeline) on photovoltaic/hot water battery component.What flow in hot conduit system is not have the heat transfer oil freezing, as fused salt---and the mixture of saliter hydrochlorate and potassium etc.Described heat is collected between capillary 14 and heat transfer oil conveyance conduit 27 and is connected with heat transfer oil pipeline output interface 19, heat transfer oil pipeline input interface 20 by heat transfer oil hot-fluid output port 7, heat transfer oil cold flow input port 8.Described heat transfer oil conveyance conduit 27 comprises heat transfer oil hot-fluid output channel 22 and heat transfer oil cold flow input channel 23, and pipeline all has thermal and insulating performance.Described heat transfer oil conveyance conduit 27 gathers to the total bus dump 5 of heat transfer oil by parallel way, leads to the device systems of thermal water utilization.Described heat transfer oil conveyance conduit 27 is first by photovoltaic/hot water battery component 1 parallel connection on same level layer, and then is parallel to electricity-liquid and gathers the total bus dump of heat transfer oil on shaped steel 5, leads to hot water facility system.
installation steps:
The first step, installs supporting steel frame 2, it is fixed on architectural.For the building of BIPV form, load-carrying members generally adopt steel construction, and supporting steel frame 2 is integrated with the steel construction of load-bearing; For the building of BAPV form, at building roof or metope pre-embedded member, supporting steel frame 2 can be fixed with the preburied component of building.
Second step, connects hot conduit system, connects cable and heat transfer oil conveyance conduit between supporting steel frame.Connect circuit terminal and the insulation delivery hose port 22 of the heat transfer oil between heat transfer oil conveyance conduit 27 and cold conductive liquid insulation delivery hose port 23 between the cable transfer pipeline 24 between prefabricated supporting steel frame 2, and heat transfer oil conveyance conduit 27 and the total bus dump of heat transfer oil are connected in parallel.
The 4th step, installs photovoltaic/hot water battery component 1.By under be fixedly connected with connection hole 26 location that module 9 is first put into supporting steel frame 2, then push hard and press spring link block 3, put down photovoltaic/hot water battery component 1, under the effect of spring, 1 self-locking of photovoltaic/hot water battery component is fixed on supporting steel frame 2 simultaneously.Now, the positive and negative electrode circuit contact point 32,33 of the upper spring link block 3 of photovoltaic module is the circuit contact point of the cable automatically and in supporting steel frame 2 connection simultaneously also, and the Circuits System part of whole photovoltaic system also connects complete.
The 5th step, is connected photovoltaic/hot water battery component 1 with hot conduit system 28.Heat transfer oil pipeline output interface 19 on supporting steel frame and heat transfer oil pipeline input interface 20 are docked with heat transfer oil hot-fluid output port 7 and conductive liquid cold flow input port 8 on photovoltaic/hot water battery component 1.
The 6th step, debug circuit and heat transfer oil conveying circuit.(note: this step is also applicable to occur in the operation maintenance stage situation of line fault.）
A) debug circuit.Open switch, connect circuit, see whether each assembly can normally move.If find that there is local several assembly, can not normally move, utilize universal meter detection components whether to damage, or circuit there is fault-free, after ascertaining the reason, can change maintenance.
B) debugging heat transfer oil conveying circuit.Open the control switch of hot conduit, check that whether each pipeline is unobstructed or have leakage, if find that there is the problems such as seepage (especially interface), should give corresponding remedial measure.
The 7th step, sealing.After debugging is normal, can carry out last seal operation.Gap between photovoltaic/hot water battery component 1 and supporting steel frame 2 seals with glass cement, plays the effect of waterproof and protection circuit.
Present technique is on the basis of " a kind of building PV member of being convenient to maintenance and changeing ", photovoltaic cell component is compounded with to one deck heat and collects capillary 14, thereby formed photovoltaic/hot water battery component 1.On supporting steel frame 2, increased a set of heat transfer oil pipeline system, and respectively photovoltaic/hot water battery component 1 has been connected with heat transfer oil pipeline system with Circuits System by two upper spring link blocks 3 simultaneously.Circuit between each photovoltaic/hot water battery component 1 connects in the mode of serial or parallel connection, and gathers electricity-liquid gather shaped steel 5 together with the heat transfer oil pipeline connecting in parallel, thereby combines closely with building and control appliance.
Described photovoltaic/hot water battery component 1 comprise upper spring link block 3, under be fixedly connected with module 9, glass cover-plate 10, sealed filling material 11, photovoltaic cell 12, heat-absorbing material 13, heat is collected capillary 14, thermal insulation layer 15, aluminium backboard 16, aluminium frame 17 and heat and is collected capillary input/output port 4.Described upper spring link block 3 is arranged on a side of photovoltaic/hot water battery component 1, is fixedly connected with the opposite side that module 9 is arranged on described photovoltaic/hot water battery component 1 under described.The heat collection capillary 14 being close together with photovoltaic battery panel 12 is the copper pipe of high heat conduction or aluminum pipe, and is the double-spiral structure of ceoncentrically wound coil.
Described upper spring link block 3 consists of C shape steel disc 29, spring 30 and slide block 31.C shape steel disc 29 is weldingly fixed on photovoltaic module 1, and spring 30 one end is fixed on C shape steel disc 29, and the other end is fixed on slide block 31, and slide block 31 can slide on C shape steel disc 29.On every photovoltaic/hot water battery component 1, have two upper spring link blocks 3, one of them module is used for connecting circuit, utilize simultaneously another module structure spatial design the position of conductive liquid conveyance conduit connectivity port 4.Upper spring link block 3 ends for connecting circuit are provided with positive and negative electrode circuit contact point.
Heat on described photovoltaic/hot water battery component 1 is collected capillary input/output port 4 and is comprised heat transfer oil hot-fluid output port 7 and heat transfer oil cold flow input port 8, respectively with heat transfer oil heat flow tube pipeline joint 19 and 20 corresponding connections of heat transfer oil cold flow pipe joint on supporting steel frame 2.Heat transfer oil hot-fluid output port 7 and heat transfer oil cold flow input port 8 are arranged on the upper spring link block of photovoltaic/hot water battery component and omit top, make full use of the structure space of module.
the advantage of present technique is as follows:
1. the advantage of photovoltaic/hot water battery component 1:
(1) photovoltaic/hot water battery component 1 integrates photovoltaic battery panel, heat is collected capillary and link block, and each parts at random are combined into integral body, reduces installation procedure, is convenient to Fast Installation, maintenance and dismounting.Shorten the connection of circuit and heat transfer oil conveyance conduit simultaneously, really accomplished to save time, laborsaving and economize the object of material, thereby can greatly promote the application of BIPV.
(2) photovoltaic/hot water battery component 1 realized photovoltaic and thermal-arrest compound, solar energy photovoltaic panel and water heater is unified as a whole, improved the efficiency of building photovoltaic generation, have the heat energy of having recycled the photovoltaic panel back side simultaneously, kill two birds with one stone.
(3) heat transfer oil hot-fluid output port 7 and conductive liquid cold flow input port 8 are arranged on the upper spring link block summary top of photovoltaic/hot water battery component, make full use of the structure space of module.The benefit of doing is like this can protect heat transfer oil conveyance conduit not to be subject to malformation and damaged, makes the circuit of power and water install and can synchronously carry out simultaneously, convenient to operation, simple structure.
2. the advantage of hot conduit system:
(1) it is the copper pipe of high heat conduction or aluminum pipe that the heat being close together with photovoltaic battery panel 12 is collected capillary 14, and is the double-spiral structure of ceoncentrically wound coil.Its advantage is that the distribution of monoblock cell panel heat is relatively even, does not have the large temperature difference, is beneficial to life-saving; Meanwhile, this structure is convenient to the connection of pipeline.
(2) conveyance conduit of the heat transfer oil pipe section of non-heat exchange (for) is insulated piping, with flexible foam rubber-plastic heat insulation material carrying the cold and hot pipeline of heat transfer oil to wrap up respectively, to prevent exchange heat.Be that cold medium can not obtain heat, thermal medium and can not lose heat.
3. the advantage of supporting steel frame:
(1) supporting steel frame is changed intersecting parallels frame structure in the past, becomes unidirectional and is arranged in parallel, and saves construction timber, has reduced working procedure simultaneously.
(2) supporting steel frame is integrated the cabling of cable routing and heat transfer oil pipeline, be incorporated in a member, greatly reduce the complexity of circuit, solved member and the circuit connectivity problem between separately, simultaneously for convenience detach again, be conducive to the maintenance of circuit.
4. the advantage of assembly mounting system
The fastening structure that utilizes the self-lock mechanism of spring link block (upper spring link block) that photovoltaic/hot water battery component 1 is connected with support system.
(1) its unique distinction is that the existence of adjacent component does not affect installation or the maintenance of one's own department or unit assembly.Really realize the design concept of replaceable easy-maintaining, do not affect architectural appearance simultaneously.
(2) dual-use function of spring link block, has simplified complexity and the installation steps of PV member greatly.Consider that photovoltaic roof PV-ROOF(is generally inclined roof simultaneously) be generally vertical with photovoltaic curtain wall PV-WALL() setting angle; upper spring link block is fixedly connected with the top of module 9 under being substantially in; load-bearing is substantially fixedly connected with module 9 and bears by down like this; both the stressed and circuit that had been conducive to spring module contacts; be conducive to again waterproof and draining, play the effect of protective circuit.
(3) present technique building PV/T hybrid system adopts installation in advance in prefabrication, mass-producted mode ，Bing Ke factory.In factory, be assembled into the whole plate of small size, be then transported to building site and carry out integral hoisting, realize suitability for industrialized production and installation.
In sum, described hot conduit system, cable routing and supporting steel frame three combine closely, and become as a whole prefabricated components, can realize modularization and produce.So just make the connected mode of photovoltaic/hot water battery component circuit simple, photovoltaic/hot water battery component is installed as dry cell is installed, after installing, only need by switch and valve control circuit break-make.
This building PV/T hybrid system, simple structure, easy installation and removal, photovoltaic and hot water are combined, when greatly improving photovoltaic cell component generating efficiency, heat that can also the collection photovoltaics battery component back side comes hot water, heating or driving arrangement etc., and reduces photovoltaic cell component temperature and ambient temperature, thereby improves the efficiency of photovoltaic generation and improve architecture indoor hot comfort.

Claims (6)

1. a building photovoltaic component, is characterized in that, comprises photovoltaic/hot water battery component (1), supporting steel frame (2); In supporting steel frame (2), be provided with cable, heat transfer oil hot-fluid pipeline and heat transfer oil cold flow pipeline; On photovoltaic cell component, be compounded with one deck heat and collect capillary (14) formation photovoltaic/hot water battery component (1); Two upper spring link blocks (3) are arranged on a side of photovoltaic/hot water battery component (1), under be fixedly connected with the opposite side that module (9) is arranged on described photovoltaic/hot water battery component (1); The positive and negative electrode circuit contact point of photovoltaic/hot water battery component (1) is arranged on the end of a spring link block (3); Heat is collected capillary (14) and is had and be positioned at the heat that another spring link block (3) locates and collect capillary input/output port (4); Photovoltaic/hot water battery component (1) by two upper spring link blocks (3) with under be fixedly connected with module (9) and be connected on supporting steel frame (2), positive and negative electrode circuit contact point is electrically connected to cable, and heat is collected capillary input/output port (4) and is connected with heat transfer oil cold flow pipe joint (20), heat transfer oil heat flow tube pipeline joint (19) correspondence respectively;
Described upper spring link block (3) consists of two C shape steel discs (29), two springs (30) and a slide block (31); It is upper that C shape steel disc (29) is fixed on photovoltaic/hot water battery component (1), and slide block (31) two ends are slidably arranged in respectively on a medial surface of two C shape steel discs (29); The two ends of spring (30) are fixed with another medial surface and the slide block of C shape steel disc (29) respectively.
2. building photovoltaic component according to claim 1, is characterized in that, heat transfer oil hot-fluid pipeline and heat transfer oil cold flow pipeline are insulated piping.
3. building photovoltaic component according to claim 1, it is characterized in that, on described supporting steel frame (2), be provided with upper spring link block (3) with under be fixedly connected with the connection hole (25,26) of photovoltaic/hot water battery component (1) corresponding to module (9); The circuit contact point of supporting steel frame (2) inner cable is arranged in the connection hole (25) corresponding with a upper spring link block (3); Heat transfer oil cold flow pipe joint (20) and heat transfer oil heat flow tube pipeline joint (19) are arranged in the groove that the connection hole (25) corresponding with another upper spring link block (3) locate.
4. building photovoltaic component according to claim 1, it is characterized in that, it also comprises that the electricity-liquid that is positioned at the two ends that are arranged on supporting steel frame (2) gathers shaped steel (5), and electricity-liquid gathers in shaped steel (5) and is provided with way circuit and heat transfer oil total pipeline, and way circuit is electrically connected to cable; Heat transfer oil total pipeline communicates with heat transfer oil hot-fluid pipeline and heat transfer oil cold flow pipeline respectively.
5. building photovoltaic component according to claim 1, is characterized in that, what in heat collection capillary (14), heat transfer oil hot-fluid pipeline and heat transfer oil cold flow pipeline, flow is not have the heat transfer oil freezing.
6. building photovoltaic component according to claim 1, is characterized in that, it is copper pipe or aluminum pipe that heat is collected capillary (14), and is the double-spiral structure of ceoncentrically wound coil.
CN201110440867.5A 2011-12-24 2011-12-24 Construction PV/T (photovoltaic/thermal) combined system convenient in maintenance and replacement Expired - Fee Related CN102544143B (en)

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