CN203403594U - Photovoltaic building glass - Google Patents
Photovoltaic building glass Download PDFInfo
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- CN203403594U CN203403594U CN201320409920.XU CN201320409920U CN203403594U CN 203403594 U CN203403594 U CN 203403594U CN 201320409920 U CN201320409920 U CN 201320409920U CN 203403594 U CN203403594 U CN 203403594U
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- tempered glass
- glass
- inverter
- integration control
- building
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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]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses photovoltaic building glass, comprising low-iron tempered glass (1) of an upper cover board, tempered glass (5) of a lower cover board, and a series-parallel group (3) of solar cells between the low-iron tempered glass (1) of the upper cover board and the tempered glass (5) of the lower cover board, wherein an electric energy output end of the photovoltaic building glass is connected with inverter equipment, and then connected with a power grid to supply electricity; the control end of the inverter is connected with a fixed-frequency integration control module; the inverter comprises an input end, a PI regulation module, a fixed-frequency integration control module, a PWM (pulse-width modulation) circuit module, a bridge circuit module and an output end, which are orderly connected; the output end feeds back inductive current output by the inverter to the fixed-frequency integration control module. The inverter is controlled on the basis of fixed-frequency integration control; alternating current and a sine wave of making the current and the power grid at the same frequency and phase are stably output. Thus, the requirements of grid-connected power transmission are effectively achieved.
Description
Technical field
The present invention relates to solar building technical field, more particularly, relate to a kind of interconnection technology that can utilize solar electrical energy generation building glass.
Background technology
Photovoltaic (PV or photovoltaic) is the abbreviation of solar photovoltaic generation system (photovoltaic power system).Be a kind of photovoltaic effect of utilizing solar cell semi-conducting material, solar radiation can be directly converted to a kind of new power generating system of electric energy, have independent operating and the two kinds of modes that are incorporated into the power networks.
Present modal to utilize the equipment of solar energy be traditional solar cell, and its overall structure comprises as follows: the tempered glass that topmost one deck is printing opacity, and centre is cell panel, bottom is lighttight blank base plate; Between each layer, all use EVA material bonding; Overall structure is fixed with aluminum alloy frame.Such solar facilities exists a lot of not enough, is first that solar energy utilization ratio is not high, and environment for use is subject to certain restrictions, and such solar facilities can not be used in the environment that needs printing opacity; Secondly, the glue connection degree temperature influence of the adhesive EVA material of so traditional solar facilities is very large, and the glue connection degree of EVA directly has influence on performance and the application life of the whole assembly of solar energy.Under molten condition, EVA and crystal silicon solar cell sheet, glass produce bonding, and in this process, existing physics also has chemical bonding.The EVA of non-modified is transparent, soft, has hot melt adhesive, and melt temperature is low, and melt fluidity is good.But its heat resistance is poor, easily to extend and elasticity is low, cohesive strength is low and creep resistance is poor, easily produces to expand with heat and contract with cold to cause wafer cracked, makes bonding delamination.In addition, the aluminum alloy frame corrosion resistance on traditional solar cell base plate is not high, not anti-use, and easily distortion, and easily aging and yellowing, affects application life of whole assembly and attractive in appearance.Whole solar facilities all can not be integrated with building, and can only be simple be arranged on building, can not realize BIPV (Building Integrated PV).So-called BIPV (Building Integrated PV) is BIPV(Building Integrated PV, and PV is Photovolta-ic).BIPV (Building Integrated PV) (BIPV) technology is that solar electrical energy generation (photovoltaic) product is integrated into architectural technology.Photovoltaic building-body (BIPV) is different from the form that photovoltaic system is attached to architectural (BAPV:Building Attached PV).In modernized society, people are more and more higher to the pursuit of comfortable building thermal environments, cause the energy consumption of building and heating and air-conditioning growing.In developed country, energy for building has accounted for 30%-40% of national total energy consumption, and economic development has been formed to certain restrictive function.BIPV (Building Integrated PV), is a kind of new ideas of applied solar energy generating, says that simply the space enclosing structure external surface that exactly solar energy power generating square formation is arranged on to building provides electric power.Different from the mode of Integration of building according to photovoltaic arrays, BIPV (Building Integrated PV) can be divided into two large classes: a class is the combination of photovoltaic arrays and building.This mode is that photovoltaic arrays is depended on building, and building, as the carrier of photovoltaic arrays, play supporting role.Another kind of is the integrated of photovoltaic arrays and building.To be photovoltaic module occur with a kind of form of constructional materials this mode, and photovoltaic arrays becomes building inalienable part.As photoelectricity tile roof, photoelectric curtain wall and photoelectricity lighting roof etc.In these two kinds of modes, the combination of photovoltaic arrays and building is a kind of conventional form, particularly with the combination of building roof.Due to the combination of photovoltaic arrays and the building ground space outside occupying volume not, be the best mounting means of photovoltaic generating system extensive use in city, thereby receive much attention.The integrated of photovoltaic arrays and building is a kind of advanced form of BIPV, and it is had relatively high expectations to photovoltaic module.The functional requirement that photovoltaic module not only will meet photovoltaic generation also will take into account the basic function requirement of building simultaneously.
Utility model patent (CN200920248283.6) discloses a kind of building glass that can utilize solar electrical energy generation, comprise low iron tempered glass and tempered glass, solar battery sheet connection in series-parallel group is installed between the two, between solar battery sheet connection in series-parallel group and low iron tempered glass and tempered glass, all use PVB material bonding, the outside of whole glass assembly is provided with thin matter stainless steel frame.The utility model is used to be had very strong caking property, toughness and flexible PVB material and makes adhesive, improves the anti-knock shock resistance ability of integral device, and can guarantee that whole equipment does not ftracture, and improves the easily shortcoming of aging, easy yellowing of traditional this kind equipment; Adopt the tempered glass of printing opacity as lower cover, just it can be used as curtain wall and roof, neither affects daylighting, can well utilize luminous energy again, environment protection health and can reduce the consumption of electric energy, economizes on resources and can meet the designing requirement of present stage BIPV (Building Integrated PV); Wear resistant corrosion resistant and the mechanical performance of thin matter stainless steel frame have increased steadiness of the present utility model, aesthetic property and application life greatly.
How can realize it effectively grid-connected is one of the problem that will solve.
Summary of the invention
In order to address the above problem, the invention provides and a kind ofly based on determining frequency integration control inverter, stablize output AC electric current, make electric current and electrical network with the sine wave of homophase frequently, thereby reach grid-connected power transmission requirement.
In order to achieve the above object, the invention provides a kind of photovoltaic building glass, comprise the low iron tempered glass of upper cover plate; The correspondence below of the low iron tempered glass of described upper cover plate is provided with lower cover tempered glass, between described tempered glass and low iron tempered glass, solar battery sheet connection in series-parallel group is installed; Bonding with PVB material between described solar battery sheet connection in series-parallel group and low iron tempered glass; Bonding with PVB material between described solar battery sheet connection in series-parallel group and tempered glass; Described solar battery sheet connection in series-parallel group is arranged and is formed by baby battery chip arrays formula; Between described baby battery sheet, there is gap.The electric energy output end of described photovoltaic building glass connects after inverter apparatus, is connected into mains supply.Wherein, described inverter control end has connected and has determined frequency integration control module.
Under optimal way, described building glass outside is provided with thin matter stainless steel frame.Under optimum way, described inverter comprises input, PI adjustment module, fixed integration control module, pwm circuit module ,Qiao road module and the output frequently connecting successively, and described output feedback inverter outputting inductance electric current is delivered to described fixed integration control module frequently.
Building glass of the present invention, the outside of whole assembly is provided with the frame of being made by thin matter stainless steel, and such frame has very high corrosion resistance and abrasion resistance, and not yielding, has improved application life and the steadiness of whole building glass.
Advantage of the present invention is, the EVA adhesive bonding method of abandoning tradition, adopt PVB material to make adhesive, PVB material has good caking property, toughness and elasticity, at glass, be subject to that external force clashes and when broken, this layer material can absorb large energy, glass fragment can firmly stick on PVB intermediate materials, glass fragment can not disperse, thereby issuable injury is reduced to a minimum, and can guarantee that the whole building glass of solar electrical energy generation that can utilize does not ftracture, and can improve the easily shortcoming of aging, easy yellowing of this kind equipment of tradition.The cover plate of upper layer that the present invention uses is low iron tempered glass, and this glass has the light transmittance higher than 92%, and has high intensity and heat stability simultaneously.The present invention also changes lighttight base plate into the tempered safety glass of printing opacity, tempered glass has very high intensity, its security performance exceeds several times than simple glass especially, even if this tempered glass can not form sharp-pointed corner angle while suffering strong external force broken as simple glass yet, but be broken into similar cellular tiny obtuse angle particle, reduce the injury to human body.And such tempered glass has extraordinary heat stability, can bear and than simple glass, exceed the temperature difference of 2 to 3 times.Outside at whole building glass, also be designed with thin matter stainless steel frame, it has higher strength and stability than aluminum alloy frame, make like this can reach more than 20 years the application life of whole building glass, and can, used as curtain wall and roof, neither affect daylighting, can well utilize luminous energy again, environment protection health not only, and can reduce the consumption of electric energy, economize on resources and meet BIPV building designing requirement.The frame of base plate is used thin matter stainless steel to make, and makes it not yielding, and improves corrosion resistance, and increase can utilize the application life of the glass of solar electrical energy generation.The whole glass of solar electrical energy generation that can utilize not only can be used as curtain wall and roof, can also use as constructional materials, and the place needing for building, realizes BIPV (Building Integrated PV).
The present invention is based on and determine frequency integration control inverter, stablize output AC electric current, make electric current and electrical network with the sine wave of frequency homophase, thereby effectively reach grid-connected power transmission requirement.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of photovoltaic building glass of the present invention;
Fig. 2 is the hierarchy schematic diagram of building glass in Fig. 1.
Fig. 3 is the fundamental diagram of determining frequency integration control.
Fig. 4 is inverter control block diagram.
The specific embodiment
As shown in Figure 1, photovoltaic building glass of the present invention, comprise the low iron tempered glass 1 as upper cover plate of printing opacity and the lower shoe tempered glass 5 being used as, the solar battery sheet connection in series-parallel group 3 that solar energy can be changed into luminous energy is housed between low iron tempered glass 1 and tempered glass 5.As shown in Figure 2, solar battery sheet connection in series-parallel group 3 is bonding with low iron tempered glass 1 use PVB material 2, solar battery sheet connection in series-parallel group 3 is bonding with tempered glass 5 use PVB materials 4, here use PVB material to have good caking property, toughness and elasticity, at glass, be subject to that external force clashes and when broken, this layer material can absorb large energy, glass fragment can firmly stick on PVB intermediate materials, glass fragment can not disperse, thereby issuable injury is reduced to a minimum, and can guarantee that the whole building glass of solar electrical energy generation that can utilize does not ftracture, and it is easily aging to improve this kind equipment of tradition, the shortcoming of easy yellowing.Wherein, low iron tempered glass 1 has very high intensity and heat stability, and its light transmittance can reach more than 92%, can greatly improve the conversion of solar energy of whole solar components.Tempered glass 5 has very high safety, when it is subject to strong external impacts fragmentation, is broken into cellular tiny obtuse angle shape, reduces the injury to human body; Its physical property determines that it has very high intensity, and flexing resistance and anti-impact force are the several times of simple glass, and its heat stability is also that general glass can not be compared, and it can bear 150 ° of difference variation more than C, to preventing that heat from having burst obvious effect.The solar battery sheet connection in series-parallel group of installing between low iron tempered glass 1 and tempered glass 5 is solar energy to be converted to the battery component of electric energy, as shown in Figure 1, it is comprised of the baby battery sheet of proper alignment, between sheet and sheet, has gap, can allow sunshine see through, not affect daylighting.In the outside of the whole solar energy glass assembly of the present invention, be provided with the frame of being made by thin matter stainless steel material, this frame has very strong corrosion resistance and abrasion resistance, and it is not yielding, make the growth in application life that can utilize the building glass of solar electrical energy generation of the present invention, and simplification is installed, for user brings convenience.Like this can be by this building glass as curtain wall and roof, also can be used as a kind of constructional materials, be used for building needed position, for it provides the energy of environmental protection, it not only can not affect daylighting as traditional lighttight solar facilities, can also provide energy to room, for its heating, throw light on etc., greatly reduce the consumption of electric energy, and be integrated with building construction, meet BIPV building designing requirement, the environmental protection again of economical economy, and the building glass of solar electrical energy generation that can utilize of the present invention is owing to having used PVB material as adhesive, widened its applicable temperature range, bring great convenience to production and life, and used the low iron tempered glass 1 with high light transmittance as upper cover plate, improved the efficiency of light energy utilization, improved the performance that can utilize the glass of solar electrical energy generation, safer and practical.The building glass of solar electrical energy generation that can utilize of the present invention has been used thin matter stainless steel frame outward in overall structure, its abrasion resistance and corrosion resistance have been improved, and it is not yielding, it is easier for installation easy to make, its on-deformable feature is brought great convenience to people's installation, not only time saving and energy saving, also improved himself application life.
In addition, the electric energy output end of photovoltaic building glass connects after inverter apparatus, is connected into mains supply.Wherein, described inverter control end has connected and has determined frequency integration control module.As shown in Figure 3, fixed integration control frequently refers to the switching frequency f of holding circuit work to the principle of fixed integration control frequently
sconstant, and carry out the ON time T of gauge tap device within each cycle by integrator and d type flip flop
onwith turn-off time T
off.Switch output y (t) has suppressed input completely to be disturbed, linear reproduction given signal v
ref(t).Determining frequency integration control and a nonlinear switching can be become to a linear switch based on one-cycle control.This control can effectively suppress the disturbance of input signal, makes the output of system follow the tracks of rapidly the given variation of input, and system has good disturbance rejection and trace performance.
As shown in Figure 4, inverter comprises input, PI adjustment module, fixed integration control module, pwm circuit module ,Qiao road module and the output frequently connecting successively, and described output feedback inverter outputting inductance current i L is connected to described fixed integration control module frequently.During inverter independent operating, only need on the basis of control system of being incorporated into the power networks, increase an outer voltage, control inverter output voltage.While working with grid-connected inverters, compare, the control parameter constant based on determining frequency integration current ring, the detection limit of system is constant, is still the electric current flowing through on inverter output end voltage and inductance.The outer voltage increasing adopts pi regulator.When system reaches while stablizing, inverter output voltage reaches reference voltage.
Claims (3)
1. a photovoltaic building glass, comprises the low iron tempered glass of upper cover plate (1); The correspondence below of the low iron tempered glass of described upper cover plate (1) is provided with lower cover tempered glass (5), between described tempered glass (5) and low iron tempered glass (1), solar battery sheet connection in series-parallel group (3) is installed; Bonding with PVB material (2) between described solar battery sheet connection in series-parallel group (3) and low iron tempered glass (1); Bonding with PVB material (4) between described solar battery sheet connection in series-parallel group (3) and tempered glass (5); Described solar battery sheet connection in series-parallel group (3) is arranged and is formed by baby battery chip arrays formula; Between described baby battery sheet, there is gap;
The electric energy output end of described photovoltaic building glass connects after inverter apparatus, is connected into mains supply, it is characterized in that, described inverter control end has connected determines frequency integration control module.
2. photovoltaic building glass according to claim 1, is characterized in that, described building glass outside is provided with thin matter stainless steel frame.
3. photovoltaic building glass according to claim 1, it is characterized in that, described inverter comprises input, PI adjustment module, fixed integration control module, pwm circuit module ,Qiao road module and the output frequently connecting successively, and described output feedback inverter outputting inductance electric current is delivered to described fixed integration control module frequently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320409920.XU CN203403594U (en) | 2013-07-10 | 2013-07-10 | Photovoltaic building glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320409920.XU CN203403594U (en) | 2013-07-10 | 2013-07-10 | Photovoltaic building glass |
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| Publication Number | Publication Date |
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| CN203403594U true CN203403594U (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320409920.XU Expired - Fee Related CN203403594U (en) | 2013-07-10 | 2013-07-10 | Photovoltaic building glass |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105141237A (en) * | 2015-07-29 | 2015-12-09 | 中国华能集团清洁能源技术研究院有限公司 | Building photovoltaic module and photovoltaic building integrated -based ultraviolet monitoring system |
| WO2016065936A1 (en) * | 2014-10-31 | 2016-05-06 | Byd Company Limited | Method for manufacturing solar cell module |
| CN106206834A (en) * | 2014-10-31 | 2016-12-07 | 比亚迪股份有限公司 | The preparation method of solar module |
| CN107834950A (en) * | 2017-12-11 | 2018-03-23 | 山东理工昊明新能源有限公司 | A kind of BIPV electricity generation system |
| CN108729579A (en) * | 2018-04-11 | 2018-11-02 | 同济大学 | Rods and bars of aluminium alloy and fibre-glass reinforced polyester plate are by curved reinforced glass beam |
-
2013
- 2013-07-10 CN CN201320409920.XU patent/CN203403594U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016065936A1 (en) * | 2014-10-31 | 2016-05-06 | Byd Company Limited | Method for manufacturing solar cell module |
| CN106206834A (en) * | 2014-10-31 | 2016-12-07 | 比亚迪股份有限公司 | The preparation method of solar module |
| CN105141237A (en) * | 2015-07-29 | 2015-12-09 | 中国华能集团清洁能源技术研究院有限公司 | Building photovoltaic module and photovoltaic building integrated -based ultraviolet monitoring system |
| CN107834950A (en) * | 2017-12-11 | 2018-03-23 | 山东理工昊明新能源有限公司 | A kind of BIPV electricity generation system |
| CN107834950B (en) * | 2017-12-11 | 2024-03-19 | 山东理工昊明新能源有限公司 | Photovoltaic building integrated power generation system |
| CN108729579A (en) * | 2018-04-11 | 2018-11-02 | 同济大学 | Rods and bars of aluminium alloy and fibre-glass reinforced polyester plate are by curved reinforced glass beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20160710 |