CN201369335Y - Photovoltaic cell module - Google Patents
Photovoltaic cell module Download PDFInfo
- Publication number
- CN201369335Y CN201369335Y CN 200820119522 CN200820119522U CN201369335Y CN 201369335 Y CN201369335 Y CN 201369335Y CN 200820119522 CN200820119522 CN 200820119522 CN 200820119522 U CN200820119522 U CN 200820119522U CN 201369335 Y CN201369335 Y CN 201369335Y
- Authority
- CN
- China
- Prior art keywords
- conductive
- photovoltaic
- battery module
- photovoltaic battery
- conductive frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/484—Connecting portions
- H01L2224/48463—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond
- H01L2224/48464—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond the other connecting portion not on the bonding area also being a ball bond, i.e. ball-to-ball
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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
Abstract
The utility model provides a photovoltaic cell module, which comprises a photovoltaic diode, a conductive frame and a circuit base plate, wherein the photovoltaic diode is used to define the front side and the rear side, and is provided with a first electrode and a second electrode which are respectively located on the front side and the rear side. The conductive frame is located on the front side of the photovoltaic diode, the conductive frame is provided with an opening for forming an inner edge, the first electrode is connected with the inner edge of the conductive frame for enabling the photovoltaic diode to be located under the conductive frame, and the photovoltaic diode is exposed in the opening. The circuit base plate is located on the rear side of the photovoltaic diode, the circuit base plate is provided with a first conductive contact, a second conductive contact and a conductive convex block which is overlapped on the first conductive contact and extends upwards for connecting the conductive frame. The second conductive contact is connected with the second electrode. The first conductive contact is electrically connected with the first electrode through the conductive convex block and the conductive frame. The photovoltaic cell module replaces a known leading wire structure through utilizing the conductive frame to combine the conductive convex block, avoids using known transparent sealing glue or mucilage glue for improving the aging and breaking problems due to heating.
Description
Technical field
The utility model is about a kind of photovoltaic battery module, particularly about having the photovoltaic battery module of conductive frame structure.
Background technology
Figure 1A shows known photovoltaic battery module 10.As shown in the figure, photovoltaic battery module 10 comprises a circuit base plate 11; One radiator 12; One photovoltaic cell chip 13; An and collector lens 14.Photovoltaic cell chip 13 can absorb external light and it is changed into electric current and be sent out by circuit base plate 11.Radiator 12 is used for the heat that dissipation photovoltaic cell chip 13 produces.14 of collector lenses are used for making light-ray condensing on photovoltaic cell chip 13.Circuit base plate 11 comprises conductive junction point 111.See through lead-in wire 15, conductive junction point 111 is electrically connected with the electrode 13P of photovoltaic cell chip 13.Lead-in wire 15 and the linkage interface of electrode 13P or conductive junction point 111 are provided with viscose glue 17 with firm being connected each other.Figure 1B shows another kind of known photovoltaic battery module 100, and its structure and photovoltaic battery module 10 are roughly the same.Photovoltaic battery module 100 has collector lens equally but does not show at this.Photovoltaic battery module 100 also comprises transparent sealing 19 and covers on it, in order to protect photovoltaic cell chip 13 and to go between 15.
Known photovoltaic battery module 10 or 100 has many shortcomings.For example, routing promptly is the high relatively step of quite loaded down with trivial details cost on the technology, moreover lead-in wire will occupy many spaces.In addition, in order to increase generating efficiency, known photovoltaic battery module 10 or 100 can improve the focusing multiplying power of collector lens 14 as far as possible, and so this but is accompanied by many problems generations.For example, high order focusing easily make a large amount of ultraviolet rays and heat concentrate on photovoltaic cell chip 13 near, get off to cause easily near the deterioration of photovoltaic cell chip 13 elements for a long time, for example break with the viscose glue 17 or just easy therefore the wearing out of transparent sealing 19 of organic material made.So, need a kind of structure of novelty to improve known problem.
The utility model content
In view of above-mentioned known shortcoming, the utility model provides a kind of photovoltaic battery module with conductive frame and conductive projection, and wherein the photovoltaic cell chip is arranged at the conductive frame below, and conductive projection is arranged on the circuit base plate of carrying photovoltaic cell chip.The utility model utilizes conductive frame to replace known pin configuration in conjunction with conductive projection, avoids the problem of using known transparent sealing or viscose glue broken by heat ageing with improvement.
In an embodiment, the utility model provides a kind of photovoltaic battery module, comprises a photovoltaic diode, defines a front side and a rear side, and this photovoltaic diode has one first electrode and one second electrode lays respectively at this front side and this rear side; One conductive frame is positioned at this front side of this photovoltaic diode, and this conductive frame has an opening to form an inner edge, and this first electrode connects this inner edge so that this photovoltaic diode is exposed in this opening; One circuit base plate is positioned at this rear side of this photovoltaic diode, and this circuit base plate has a conductive projection and extends upward to connect this conductive frame, and wherein this of this photovoltaic diode first electrode electrically connects this circuit base plate by this conductive frame and this conductive projection.
In another embodiment, the utility model provides a kind of aforesaid photovoltaic battery module, also comprises an inorganic transparent layer and covers this conductive frame.
In another embodiment more, the utility model provides a kind of aforesaid photovoltaic battery module, wherein this inorganic transparent layer also comprise a light-collecting lens with so that light-ray condensing in this photovoltaic diode.
In another embodiment again, the utility model provides a kind of aforesaid photovoltaic battery module, also comprises the top that a reflector is arranged at this inorganic transparent layer, and this reflector has a pothole to this opening that should conductive frame.
In another embodiment again, the utility model provides a kind of aforesaid photovoltaic battery module, also comprises a potted component and connects this conductive frame and this circuit base plate to define an enclosure space, and this enclosure space holds this photovoltaic diode.
Description of drawings
Figure 1A and 1B are known photovoltaic battery module schematic diagram;
Fig. 2 A is the generalized section of the photovoltaic battery module of the utility model first embodiment;
Fig. 2 B is the vertical view of each element of Fig. 2 A photovoltaic battery module;
Fig. 3 is the vertical view of the conductive frame of the utility model second embodiment;
Fig. 4 is the generalized section of the photovoltaic battery module of the utility model the 3rd embodiment;
Fig. 5 A is the generalized section of the photovoltaic battery module of the utility model the 4th embodiment;
Fig. 5 B is the vertical view in the reflector of the utility model the 4th embodiment;
Fig. 6 is the generalized section of the photovoltaic battery module of the utility model the 5th embodiment.
The main element symbol description
10 photovoltaic battery modules
11 circuit base plates
111 conductive junction points
12 radiators
13 photovoltaic cell chips
The 13P electrode
14 collector lenses
15 lead-in wires
17 viscose glues
19 transparent sealings
100 photovoltaic battery modules
200 photovoltaic battery modules
210 photovoltaic diodes
The 210a front side
The 210b rear side
211 first electrodes
212 second electrodes
220 conductive frames
221 openings
222 inner edges
230 circuit base plates
231 first conductive junction points
232 second conductive junction points
233 conductive projections
240 inorganic transparent layers
320 conductive frames
321 openings
322 inner edges
400 photovoltaic battery modules
410 photovoltaic diodes
421 openings
440 inorganic transparent layers
441 light-collecting lens
500 photovoltaic battery modules
510 photovoltaic diodes
520 conductive frames
521 openings
540 inorganic transparent layers
550 reflector
551 potholes
600 photovoltaic battery modules
610 photovoltaic diodes
630 circuit base plates
633 conductive projections
640 inorganic transparent layers
660 potted components
661 enclosure spaces
Embodiment
Below with reference to appended graphic demonstration preferred embodiment of the present utility model.Appended graphic middle similar components is to adopt the components identical symbol.Should note being the clear the utility model that presents, appended each element in graphic is not the scale according to material object, and also omits known spare part, associated materials and correlation processing technique thereof for avoiding fuzzy content of the present utility model, below illustrating.
Fig. 2 A is the generalized section of the photovoltaic battery module 200 of the utility model first embodiment.Fig. 2 B is the vertical view of each element of photovoltaic battery module 200.Shown in Fig. 2 A, photovoltaic battery module 200 comprises a photovoltaic diode 210, a conductive frame 220, a circuit base plate 230, reaches an inorganic transparent layer 240.Photovoltaic diode 210 definition one front side 210a and rear side 210b.Photovoltaic diode 210 has one first electrode 211 and one second electrode 212 is distinguished the position at precedent 210a and rear side 210b.Conductive frame 220 is positioned at the front side 210a of photovoltaic diode 210.Conductive frame 220 has an opening 221 to form an inner edge 222.First electrode 211 is to connect the inner edge 222 of conductive frame 220 so that photovoltaic diode 210 is positioned at conductive frame 220 belows, and the extinction of photovoltaic diode 210 partly then is exposed to out in 221.Circuit base plate 230 is positioned at the rear side 210b of photovoltaic diode.Circuit base plate 230 have one first conductive junction point 231, one second conductive junction point 232, and a conductive projection 233 be stacked and placed on first conductive junction point, 231 tops and extend upward to connect conductive frame 220.240 top that is positioned at conductive frame 220 of inorganic transparent layer, it is the opening 221 that covers conductive frame 220.
With reference to figure 2A and Fig. 2 B, photovoltaic diode 210 is made for the different electrical semi-conducting materials that mix, and constitutes a p-n junction (p-n junction) therebetween.The both sides, front and back of photovoltaic diode 210 are provided with electrically different first electrode 211 and second electrode 212, and its material can be any suitable conducting metal, for example the alloy that titanium, silver, platinum, gold, tin, nickel, copper or its constituted etc.First electrode 211 also comprises a 211a of first, has pattern structure in order to the transmission electric current that irradiation produced; And a second portion 211b, be looped around the 211a of first around.Second portion 211b is in order to concentrate 211 a institute of first electric current transmitted, and wherein second portion 211b system connects the inner edge 222 (being represented by dotted lines among the figure) of conductive frame 220.Conductive frame 220 can any suitable conductive material be made, with can resistant to elevated temperatures metal preferable, and for example copper or aluminium.Should notice that the utility model does not limit conductive frame 220 external forms, only represent an example with the rectangle demonstration among the figure.
Same with reference to figure 2A and Fig. 2 B, circuit base plate 230 can be general printed circuit board (PCB), the electrical contact that contacts of first conductive junction point 231,232 conducts of second conductive junction point and photovoltaic diode 210.Second conductive junction point 232 connects second electrode 212.The conductive projection 233 that is arranged at first conductive junction point, 231 tops can be used as the support of conductive frame 220, and electrically connects first electrode 211 by conductive projection 233 and conductive frame 222, the first conductive junction points 231.Conductive projection 233 can be the composite material of metallic particles and macromolecular compound to be formed, for example gold, tin, copper, silver, nickel, chromium, lead, aluminium etc. or its alloy.The inorganic transparent layer 240 that covers conductive frame 220 mainly is the photovoltaic diode 210 under being used for protecting.Inorganic transparent layer 240 can be made with resistant to elevated temperatures transparent inorganic material, for example glass, crystal etc.
The conductive frame 220 that should note first embodiment can optionally change.Fig. 3 promptly shows the vertical view of the conductive frame 320 of one second embodiment of the present utility model.Other elements of second embodiment can be referring to first embodiment.As shown in the figure, the inner edge 322 of conductive frame 320 has jagged external form, so opening 321 has jagged external form too, expanding with heat and contract with cold when its function is to regulate conductive frame 320 experience variations in temperature causes short circuit to take place to prevent photovoltaic battery module from producing the crack.
The photovoltaic battery module 400 of Fig. 4 illustration the utility model the 3rd embodiment.As shown in the figure, photovoltaic battery module 400 is that with the difference of photovoltaic battery module 200 inorganic transparent layer 440 also comprises a light-collecting lens 441 and covers opening 421.Light-collecting lens 441 can be any suitable material and makes, and its main purpose is to make light-ray condensing in photovoltaic diode 410.
Fig. 5 A is the generalized section of the photovoltaic battery module 500 of the utility model the 4th embodiment.Fig. 5 B is the vertical view in the reflector 550 of photovoltaic battery module 500.Photovoltaic battery module 500 is that with the difference of photovoltaic battery module 200 photovoltaic battery module 500 also comprises the top that reflector 550 is arranged at inorganic transparent layer 540.Reflector 550 has the opening 521 of a pothole 551 corresponding conductive frames 520.Light can penetrate inorganic transparent layer 540 through pothole 551 and enter photovoltaic diode 510.Reflector 550 can be reflected towards inorganic transparent layer 520 but non-light towards opening 521 directions, to avoid these light penetration inorganic transparent layers 540 irradiation conductive frames 520 and the heat of photovoltaic battery module 500 is raise.Reflector 550 can be made by any suitable material, for example gold, silver, aluminium, titanium, copper or its alloy etc.
Fig. 6 is the generalized section of the photovoltaic battery module 600 of the utility model the 5th embodiment.Photovoltaic battery module 600 is with the difference of photovoltaic battery module 200, and photovoltaic battery module 600 also comprises a potted component 660 and connects conductive frames 620 and circuit base plate 630 to define an enclosure space 661.Enclosure space 661 is to hold photovoltaic diode 610.Enclosure space 661 also can comprise conductive projection 633 or other elements.Can be full of air in the enclosure space 661, or preferablely be full of an amount of inert gas or nitrogen is subjected to oxidation with each element that slows down in the enclosure space 661.
The above is preferred embodiment of the present utility model only, is not in order to limit scope of the present utility model; All other do not break away from the equivalence of being finished under the spirit that the utility model discloses and changes or modify, and all should be included in the scope of the present utility model.
Claims (10)
1. photovoltaic battery module is characterized in that comprising:
Photovoltaic diode, definition front side and rear side, this photovoltaic diode has first electrode and second electrode lays respectively at this front side and this rear side;
Conductive frame is positioned at this front side of this photovoltaic diode, and this conductive frame has opening to form inner edge, and this first electrode connects this inner edge so that this photovoltaic diode is exposed in this opening;
Circuit base plate is positioned at this rear side of this photovoltaic diode, and this circuit base plate has conductive projection and extends upward to connect this conductive frame, and wherein this of this photovoltaic diode first electrode electrically connects this circuit base plate by this conductive frame and this conductive projection.
2. photovoltaic battery module as claimed in claim 1 is characterized in that this circuit base plate also comprises first conductive junction point and second conductive junction point, and this conductive projection is stacked and placed on this first conductive junction point top.
3. photovoltaic battery module as claimed in claim 2 is characterized in that this second conductive junction point connects this second electrode.
4. photovoltaic battery module as claimed in claim 1 is characterized in that also comprising the inorganic transparent layer and covers this conductive frame.
5. photovoltaic battery module as claimed in claim 4 is characterized in that this inorganic transparent layer is glass or crystal.
6. photovoltaic battery module as claimed in claim 1 is characterized in that the material of this conductive projection is gold, tin, copper, silver, nickel, chromium, lead or aluminium or above-mentioned various alloys.
7. photovoltaic battery module as claimed in claim 4, it is characterized in that this inorganic transparent layer also comprise light-collecting lens with so that light-ray condensing in this photovoltaic diode.
8. photovoltaic battery module as claimed in claim 4 is characterized in that also comprising the top that the reflector is arranged at this inorganic transparent layer, and this reflector has pothole to this opening that should conductive frame.
9. photovoltaic battery module as claimed in claim 1 is characterized in that also comprising potted component and connects this conductive frame and this circuit base plate with the definition enclosure space, and this enclosure space holds this photovoltaic diode.
10. photovoltaic battery module as claimed in claim 9 is characterized in that this enclosure space also holds this conductive projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820119522 CN201369335Y (en) | 2008-10-15 | 2008-10-15 | Photovoltaic cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820119522 CN201369335Y (en) | 2008-10-15 | 2008-10-15 | Photovoltaic cell module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201369335Y true CN201369335Y (en) | 2009-12-23 |
Family
ID=41488226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820119522 Expired - Fee Related CN201369335Y (en) | 2008-10-15 | 2008-10-15 | Photovoltaic cell module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201369335Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102281725A (en) * | 2010-06-10 | 2011-12-14 | 富葵精密组件(深圳)有限公司 | Manufacturing method for circuit board |
| JP2018078278A (en) * | 2016-09-14 | 2018-05-17 | ザ・ボーイング・カンパニーＴｈｅ Ｂｏｅｉｎｇ Ｃｏｍｐａｎｙ | Solar cell for solar cell array |
-
2008
- 2008-10-15 CN CN 200820119522 patent/CN201369335Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102281725A (en) * | 2010-06-10 | 2011-12-14 | 富葵精密组件(深圳)有限公司 | Manufacturing method for circuit board |
| CN102281725B (en) * | 2010-06-10 | 2013-03-20 | 富葵精密组件(深圳)有限公司 | Manufacturing method for circuit board |
| US8978244B2 (en) | 2010-06-10 | 2015-03-17 | Fukui Precision Component (Shenzhen) Co., Ltd. | Method for manufacturing printed circuit board |
| JP2018078278A (en) * | 2016-09-14 | 2018-05-17 | ザ・ボーイング・カンパニーＴｈｅ Ｂｏｅｉｎｇ Ｃｏｍｐａｎｙ | Solar cell for solar cell array |
| JP7171175B2 (en) | 2016-09-14 | 2022-11-15 | ザ・ボーイング・カンパニー | Solar cells for solar cell arrays |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091223 Termination date: 20121015 |