CN105515514B - The solar panel of integrated triode inverter - Google Patents
The solar panel of integrated triode inverter Download PDFInfo
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- CN105515514B CN105515514B CN201610089328.4A CN201610089328A CN105515514B CN 105515514 B CN105515514 B CN 105515514B CN 201610089328 A CN201610089328 A CN 201610089328A CN 105515514 B CN105515514 B CN 105515514B
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- triode
- solar panel
- epitaxial layer
- inverter
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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 invention discloses a kind of solar panel of integrated triode inverter, including：Insulating bushing, is provided with rectangle cavity in it；The substrate of first conductivity type, it is configured in the bottom of the cavity；The epitaxial layer of first conductivity type, it is configured in the upper end of the substrate；The body area of two the second conductivity types, it is configured on the top of the epitaxial layer, and each body area is provided with base stage, and colelctor electrode is configured with the epitaxial layer of each body area side；The diffusion region of two the first conductivity types, each described diffusion region configuration is on the top in a body area, and the diffusion region upper end is provided with emitter stage；Cell panel, its bottom is connected with the sleeve；Wherein, cell panel is connected with emitter and collector.The present invention, which solves solar panel alterating and direct current, can change the technical problem of inconvenience.
Description
Technical field
The present invention relates to a kind of solar panel, a kind of solar cell of integrated triode inverter is specifically related to
Plate.
Background technology
Solar cell be it is a kind of have to light respond and can convert light energy into the device of electric power.The material of photovoltaic effect can be produced
Material has many kinds, such as：Monocrystalline silicon, polysilicon, non-crystalline silicon, GaAs, selenium indium copper etc..Their electricity generating principle is essentially identical, existing
Light power generation process is described by taking crystalline silicon as an example.P-type crystal silicon can obtain N-type silicon through overdoping phosphorus, form P-N junction.
When light irradiates solar battery surface, a part of photon is absorbed by silicon materials；The energy transmission of photon has given silicon
Atom, makes electronics there occurs transition, gathers as free electron in P-N junction both sides and forms potential difference, when circuit is connected in outside
When, in the presence of the voltage, it will there is electric current to flow through external circuit and produce certain power output.The essence of this process
It is：Photon energy is converted into the process of electric energy.
Wherein, solar panel is received to need to export the electric energy of generation after solar irradiation and utilized, and cell panel is direct
What is produced is direct current, and usual electrical equipment uses alternating current, it is necessary to by inverter after the electric energy that cell panel is produced is collected
Being transformed into alternating current can just be used, and cause the cost for building whole electricity generation system higher, and installation specification it is high, it is necessary to
Specialty is installed, and limits the utilization and extention of solar energy generation technology.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantage that at least will be described later.
In order to overcome the shortcoming in existing above-mentioned existing solar panel, it is an object of the invention to provide one kind collection
Into the solar panel of triode inverter, inverter is integrated with cell panel, solar energy is directly changed into daily-use electrical appliance
Required alternating current, the technical problem of inconvenience can be changed by solving solar panel alterating and direct current.
In order to realize according to object of the present invention and further advantage there is provided a kind of integrated triode inverter too
Positive energy cell panel, including：
Insulating bushing, is provided with rectangle cavity in it；
The substrate of first conductivity type, it is configured in the bottom of the cavity；
The epitaxial layer of first conductivity type, it is configured in the upper end of the substrate, the upper end of the epitaxial layer and the cavity
Upper end flush；
The body area of two the second conductivity types, it is configured on the top of the epitaxial layer, and each body area is provided with base stage,
Colelctor electrode is configured with the epitaxial layer of each body area side；
The diffusion region of two the first conductivity types, each described diffusion region is configured on the top in a body area, described
The width that diffusion region upper end is provided with emitter stage, the substrate and epitaxial layer offers the first insulated trenches, the lining
Length direction on bottom and epitaxial layer offers the second insulated trenches, and second insulated trenches run through the base stage, current collection
Pole and emitter stage, form four independent triodes, the depth of first, second insulated trenches and the depth one of the cavity
Cause；And
Cell panel, its bottom is connected with the sleeve；
Wherein, emitter stage of the Top electrode of the cell panel respectively with first and the 3rd triode is connected, first three
The colelctor electrode of pole pipe is connected with the emitter stage of second triode, the colelctor electrode of the 3rd triode and the hair of the 4th triode
Emitter-base bandgap grading is connected, second and bottom electrode of the colelctor electrode respectively with the cell panel of the 4th triode be connected.
It is preferred that, two bodies it is interval every configuration the epitaxial layer length direction, and the length in the body area with
The width of the epitaxial layer is consistent.
It is preferred that, the bushing upper end face interval is configured with four diodes.
It is preferred that, epitaxial layer and the bushing upper surface is provided with the first insulating barrier, the colelctor electrode, emitter stage and base
Pole protrudes from first insulating barrier, and first insulating barrier fills first and second insulated trenches.
It is preferred that, a diode is connected between the collector and emitter of each triode.
It is preferred that, first conductivity type is N-type, and second conductivity type is p-type.
It is preferred that, first conductivity type is p-type, and second conductivity type is N-type.
It is preferred that, the cell panel includes：N areas, P areas, Top electrode and bottom electrode, N areas upper surface covering be provided with it is anti-
Reflectance coating, while the upper end in the N areas is provided with the Top electrode, the upper surface in the P areas is fitted with the bottom in the N areas and set
Put, the lower surface in the P areas is provided with the bottom electrode, and the bottom electrode is fixed on the sleeve.
It is preferred that, the side of the cell panel length direction is provided with the second insulating barrier, and it covers the one of the cell panel
Side wall.
It is preferred that, the Top electrode and described first, the 3rd triode emitter stage are connected by the first conductive layer,
The bottom electrode and described second, the 4th triode colelctor electrode are connected by the second conductive layer, first conductive layer
On the lateral wall for being covered in second insulating barrier and bushing.
The present invention at least includes following beneficial effect：
1st, in the present invention, a kind of solar panel of integrated triode inverter is disclosed, cell panel directly exports friendship
Stream electricity, is easy to electrical equipment directly to use, service efficiency is higher；
2nd, solar panel of the invention installs simple, is easy to utilization and extention, and reduce solar power system
Installation cost.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structural representation of the inversion module of solar panel of the present invention；
Fig. 2 is Fig. 1 top view；
Fig. 3 is the structural representation of the cell panel；
Fig. 4 is the top view of the cell panel；
Fig. 5 is the structural representation of complete solar panel.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or many
The presence or addition of individual other elements or its combination.
As Figure 1-5, the present invention provides a kind of solar panel of integrated triode inverter, including：
Insulating bushing 100, is provided with rectangle cavity, cavity upper end open in it；
The substrate 200 of first conductivity type, it is configured in the bottom of the cavity, and substrate 200 is fitted with cavity bottom, and high
Depth of the degree less than cavity；
The epitaxial layer 300 of first conductivity type, it is configured in the cavity of the upper end of substrate 200, the epitaxial layer
Upper end flushed with the upper end of the cavity, that is, cavity is filled up completely with by substrate with epitaxial layer；
The body area 410 of two the second conductivity types, it is configured on the top of the epitaxial layer, and base is set in each body area
Colelctor electrode 630 is configured with pole 620, the epitaxial layer of each body area side；
The diffusion region 420 of two the first conductivity types, each described diffusion region configuration is upper body area 410
Portion, the width that the diffusion region upper end is provided with emitter stage 610, the substrate and epitaxial layer offers the first isolation trench
Length direction on road 110, the substrate and epitaxial layer offers the second insulated trenches, and second insulated trenches run through institute
State base stage, collector and emitter, form four independent triodes, the depth of first, second insulated trenches with it is described
The depth of cavity is consistent；And
Cell panel, its bottom is connected with the sleeve, combined and spliced complete to have inversion function too into one
Positive energy cell panel；
Wherein, emitter stage of the Top electrode 810 of the cell panel respectively with first and the 3rd triode is connected, first
The colelctor electrode of triode is connected with the emitter stage of second triode, the colelctor electrode of the 3rd triode and the 4th triode
Emitter stage is connected, second and the colelctor electrode of the 4th triode be connected respectively with the bottom electrode 820 of the cell panel.Four three poles
Pipe one group of inverter circuit of formation, and the output circuit of cell panel is accessed, the base stage of control triode is controllable inverter circuit
Output characteristics, the DC inverter that cell panel is produced is into alternating current, so that electrical equipment is used, improve electric energy service efficiency；
Meanwhile, solar panel of the invention unites two into one cell panel with inverter circuit so that install solar power system more
Plus it is simple, it is easy to utilization and extention, and reduce the installation cost of solar power system.
In a kind of embodiment, first conductivity type is N-type, and second conductivity type is p-type.
In another embodiment, first conductivity type is p-type, and second conductivity type is N-type.
In another embodiment, two bodies it is interval every configuration in the length direction of the epitaxial layer, and the body area
Consistent with the width of the epitaxial layer with the length of diffusion region, the direction that body area can be spread by ion implanting or ion is carried out
Configuration.
In another embodiment, the upper end face interval of bushing 100 is configured with four diodes 510, afterwards described
Epitaxial layer and bushing upper surface are provided with the first insulating barrier 710, the diode 510, emitter stage 610, base stage 620 and colelctor electrode
630 protrude from first insulating barrier 710, and first insulating barrier fills first and second insulated trenches so that four
Individual triode does not influence mutually.Connected afterwards between the emitter and collector of each triode by wire 650
Connect a diode 510.
In above-mentioned technical proposal, the cell panel includes：N areas 830, P areas 840, Top electrode 810 and bottom electrode 820, N areas
Upper surface covering be provided with antireflection film 850, while the upper end in the N areas is provided with the Top electrode, Top electrode connects with N areas
Touch, antireflection film covers other regions of N areas upper surface in addition to Top electrode, the bottom of the upper surface in the P areas and the N areas
Laminating is set, and forms pn-junction.The lower surface in the P areas is provided with the bottom electrode, and it is exhausted that the bottom electrode is fixed on described second
The upper end of edge layer, forms complete solar panel, and the cell panel is provided with the function of inverter.
In another embodiment, the side of the cell panel length direction is provided with the second insulating barrier 720, and it covers described
The side wall of cell panel, the Top electrode and described first, the 3rd triode emitter stage are connected by the first conductive layer 910
Connect, the bottom electrode and described second, the 4th triode colelctor electrode are connected by the second conductive layer 920, described first
Conductive layer is covered on the lateral wall of second insulating barrier and bushing, to avoid the first conductive layer from directly being contacted with cell panel.
From the above mentioned, the solar panel of integrated triode inverter of the invention, cell panel directly exports alternating current,
It is easy to electrical equipment directly to use, the service efficiency of electric energy is higher；The solar panel of the present invention installs simple simultaneously, is easy to promote
Utilize, and reduce the installation cost of solar power system.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (10)
1. a kind of solar panel of integrated triode inverter, it is characterised in that including：
Insulating bushing, is provided with rectangle cavity in it；
The substrate of first conductivity type, it is configured in the bottom of the cavity；
The epitaxial layer of first conductivity type, it is configured in the upper end of the substrate, and the upper end of the epitaxial layer is upper with the cavity
End is flushed；
The body area of two the second conductivity types, it is configured on the top of the epitaxial layer, and each body area is provided with base stage, each
Colelctor electrode is configured with the epitaxial layer of body area side；
The diffusion region of two the first conductivity types, each described diffusion region configuration is on the top in a body area, the diffusion
The width that area upper end is provided with emitter stage, the substrate and epitaxial layer offers the first insulated trenches, the substrate and
Length direction on epitaxial layer offers the second insulated trenches, and second insulated trenches through the base stage, colelctor electrode and
Emitter stage, forms four independent triodes, and the depth of first, second insulated trenches is consistent with the depth of the cavity；
And
Cell panel, its bottom is connected with the sleeve；
Wherein, emitter stage of the Top electrode of the cell panel respectively with first and the 3rd triode is connected, first triode
Colelctor electrode be connected with the emitter stage of second triode, the colelctor electrode of the 3rd triode and the emitter stage of the 4th triode
Connection, second and bottom electrode of the colelctor electrode respectively with the cell panel of the 4th triode be connected.
2. the solar panel of integrated triode inverter as claimed in claim 1, it is characterised in that two body areas
Interval configures the length direction in the epitaxial layer, and the length in the body area is consistent with the width of the epitaxial layer.
3. the solar panel of integrated triode inverter as claimed in claim 2, it is characterised in that the bushing upper end
Surface interval is configured with four diodes.
4. the solar panel of integrated triode inverter as claimed in claim 3, it is characterised in that the epitaxial layer and
Bushing upper surface is provided with the first insulating barrier, and the colelctor electrode, emitter stage and base stage protrude from first insulating barrier, and institute
State the first insulating barrier and fill first and second insulated trenches.
5. the solar panel of integrated triode inverter as claimed in claim 4, it is characterised in that each described three
A diode is connected between the collector and emitter of pole pipe.
6. the solar panel of integrated triode inverter as claimed in claim 5, it is characterised in that described first is conductive
Type is N-type, and second conductivity type is p-type.
7. the solar panel of integrated triode inverter as claimed in claim 5, it is characterised in that described first is conductive
Type is p-type, and second conductivity type is N-type.
8. the solar panel of integrated triode inverter as claimed in claims 6 or 7, its spy is being levied in the battery
Plate includes：N areas, P areas, Top electrode and bottom electrode, the upper surface covering in N areas are provided with antireflection film, while the upper end in the N areas
It is provided with the Top electrode, the upper surface in the P areas is fitted setting with the bottom in the N areas, the lower surface in the P areas is provided with
The bottom electrode, the bottom electrode is fixed on the sleeve.
9. the solar panel of integrated triode inverter as claimed in claim 8, its spy is being levied in the cell panel is long
The side in degree direction is provided with the second insulating barrier, and it covers the side wall of the cell panel.
10. the solar panel of integrated triode inverter as claimed in claim 9, its spy is being levied in the Top electrode
Connected with the emitter stage of described first, the 3rd triode by the first conductive layer, the bottom electrode and it is described second,
The colelctor electrode of four triodes is connected by the second conductive layer, and first conductive layer is covered in second insulating barrier and bushing
Lateral wall on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610089328.4A CN105515514B (en) | 2016-02-18 | 2016-02-18 | The solar panel of integrated triode inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610089328.4A CN105515514B (en) | 2016-02-18 | 2016-02-18 | The solar panel of integrated triode inverter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105515514A CN105515514A (en) | 2016-04-20 |
| CN105515514B true CN105515514B (en) | 2017-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610089328.4A Active CN105515514B (en) | 2016-02-18 | 2016-02-18 | The solar panel of integrated triode inverter |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080099063A1 (en) * | 2006-10-23 | 2008-05-01 | Ascent Solar Technologies, Inc. | Flexible High-Voltage Adaptable Current Photovoltaic Modules And Associated Methods |
| TW201501335A (en) * | 2013-06-17 | 2015-01-01 | Sunlego Enerji Sistemleri Sanayi Ve Ticaret Anonim Sirketi | An AC solar panel system |
| US9735699B2 (en) * | 2014-01-15 | 2017-08-15 | Lg Electronics Inc. | Integral inverter and solar cell module including the same |
| KR102298674B1 (en) * | 2014-01-28 | 2021-09-03 | 엘지전자 주식회사 | Solar cell module and photovoltaic power generation system including the same |
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| Publication number | Publication date |
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| CN105515514A (en) | 2016-04-20 |
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Effective date of registration: 20180208 Address after: 226600 Haian City, Nantong province Haian County town of the Yellow Sea West Road, No. 1, building 188, No. Patentee after: Eoplly New Energy Technology Co., Ltd. Address before: Hu high tech Zone of Suzhou City, Jiangsu province 215151 Guan Hu Yang Road No. 88 Patentee before: Suzhou Jiayida Electrical Appliances Co.,Ltd. |
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