CN207074983U - high concentration solar battery chip radiator - Google Patents
high concentration solar battery chip radiator Download PDFInfo
- Publication number
- CN207074983U CN207074983U CN201720729924.4U CN201720729924U CN207074983U CN 207074983 U CN207074983 U CN 207074983U CN 201720729924 U CN201720729924 U CN 201720729924U CN 207074983 U CN207074983 U CN 207074983U
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- CN
- China
- Prior art keywords
- radiator
- high concentration
- chip
- concentration solar
- paste layer
- 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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- 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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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a kind of high concentration solar radiator, including aluminium fin sheet heat radiator, melting tin layers, fine copper, tin paste layer, chip, the cylindrical hole of certain depth is wherein offered on aluminium fin sheet heat radiator, melting tin layers, fine copper and tin paste layer have been sequentially placed in the cylindrical hole from bottom to up, chip substrate, tin paste layer, chip are sequentially provided with above the tin paste layer of the cylindrical hole the superiors.High concentration solar heat spreader structures greatly improve compared to the heat-sinking capability of existing radiator disclosed in the utility model, while carry out the generating efficiency that radiating improves high concentration solar to high concentration solar using radiator of the present utility model.
Description
Technical field
A kind of radiator is the utility model is related to, particularly a kind of high concentration solar battery chip radiator.
Background technology
At present, high concentration solar efficiency alreadys exceed 40%, but remaining 60% can change into heat, and these heats can be
Chip surface causes the high temperature of several Baidu, and it is well known that the transformation efficiency of photovoltaic device can reduce with the raising of temperature,
Under powered theoretical value is about 0.4%/K according to the calculating worn gram, therefore it is semiconductor devices especially high power concentrator to radiate
The important topic of photovoltaic device.Heat sink material is silver, copper, aluminium, steel successively according to thermal conductivity arrangement, and aluminium alloy is outstanding due to its
Ductility, castability and low-cost advantage, at present high power concentrating photovoltaic using aluminium alloy as radiator.But aluminium alloy due to
Its material character, it is difficult to be combined with chip substrate, at present generally using heat-conducting cream as connecting material, heat-conducting cream plays connection
With the effect of heat conduction.It is the material that heat conduction is poor in whole system but heat-conducting cream thermal conductivity factor is relatively low.
Utility model content
Goal of the invention：The problem of in order to overcome traditional heat sinks heat-conducting glue heat-conducting effect difference, the utility model are based on existing
The defects of technique, devises a kind of copper connector radiator, and uses company of the higher tin cream of thermal conductivity factor as radiator and chip
Connect and Heat Conduction Material, play quick conductive effect, reduce the operating temperature of chip, improve the work effect of high concentration solar
Rate.
The content of the invention：A kind of high concentration solar battery chip radiator, including aluminium fin sheet heat radiator, melting tin layers,
Copper connector and tin paste layer；Aluminium fin sheet heat radiator upper surface offers the cylindrical hole of certain depth, and cylindrical, copper connector is installed on
In the cylindrical hole, the gap between cylindrical hole and copper connector is filled up by the melting tin layers of perfusion；Copper connector upper surface scribbles tin
Layer of paste；The high concentration solar battery chip being packaged in chip substrate is positioned on the tin paste layer on copper connector, in order to increase
Strong heat-conducting effect, one layer of tin paste layer is also coated between chip and chip substrate.
Installation steps：Based on existing aluminium fin gilled radiator, certain diameter, certain is made in radiator joint face with lathe
Depth circular hole, high-temperature perfusion tin melt, the bronze cylinders of corresponding size are inserted in aluminium radiator, using grinding machine flattened surface simultaneously
After wire drawing, you can the tin cream higher using thermal conductivity factor replaces original heat-conducting cream and be used as connection radiator and the medium of chip
Material, improve the capacity of heat transmission of radiator and chip substrate.
Beneficial effect：High concentration solar battery chip radiator provided by the utility model is compared to traditional radiating
Device overcomes the shortcomings that it can not use thermal conductivity more preferable heat-conducting cream due to material limitation, and passes through different Heat Conduction Materials
Combined use improve the radiating effect of radiator.
Brief description of the drawings
Fig. 1 is the structural representation after the utility model is split.
Embodiment
As shown in figure 1, a kind of high concentration solar battery chip radiator, including radiator 1, melting tin paste layer 2, copper
Connector 3, tin paste layer 4；Radiator 1 is aluminium fin sheet heat radiator, and its upper surface offers the cylindrical hole of 0.5cm depth, the cylinder
Bore dia is 2.1cm；The high-temperature perfusion tin melt in cylindrical hole, diameter 2.0cm, depth 0.5cm cylindrical, copper connector 3 are inserted
Enter in cylindrical hole；The gap that tin melt is filled up between cylindrical, copper connector and cylindrical hole forms melting tin paste layer 2；By cylindrical, copper
After connector 3 polishes wire drawing, its upper surface is concordant with the upper surface of radiator 1, is now replaced using the higher tin paste layer 4 of thermal conductivity factor
Traditional heat-conducting cream is as the dielectric material between radiator 1 and chip substrate 5；Chip 7 is encapsulated in chip substrate 5, chip 7
Tin paste layer 6 is provided between chip substrate 5.
In order to illustrate further the radiating effect of radiator disclosed in the utility model, to the radiator in embodiment
With common heat-conducting cream radiator heat transfer comparative analysis.Under the conditions of identical solar chip and backing material, analysis result
It has been shown that, using traditional heat sinks and using heat-conducting cream connection radiator and substrate, its chip peak temperature is 94.6 DEG C；Use
Copper connector radiator simultaneously connects radiator and substrate using tin cream, and its chip peak temperature is 58.9 DEG C, temperature difference 35.7
℃.Illustrate that copper connector radiator combination tin cream connection radiator can substantially reduce chip temperature with substrate.
Claims (5)
1. a kind of high concentration solar battery chip radiator, including radiator (1), melting tin layers (2), copper connector (3) and
Tin paste layer (4), it is characterised in that：Radiator (1) upper surface offers the hole of certain depth, and copper connector (3) is provided with the hole,
Gap of the copper connector (3) between hole is perfused with melting tin layers (2), and tin paste layer (4) is scribbled on copper connector (3)；It is packaged in chip
High concentration solar battery chip (7) on substrate (5) is placed on tin paste layer (4).
2. high concentration solar battery chip radiator according to claim 1, it is characterised in that：The radiator
(1) hole on is cylindrical hole, and its rear upper surface that is installed in the cylindrical hole of the copper connector (3) is put down with radiator upper surface
Together.
3. high concentration solar battery chip radiator according to claim 2, it is characterised in that：The copper connector
(3) it is cylinder, and its diameter is less than the cylinder bore diameter on radiator (1).
4. high concentration solar battery chip radiator according to claim 1, it is characterised in that：The chip substrate
(5) tin paste layer (6) is provided between chip (7).
5. high concentration solar battery chip radiator according to claim 1, it is characterised in that：The radiator
(1) it is aluminium fin sheet heat radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720729924.4U CN207074983U (en) | 2017-06-22 | 2017-06-22 | high concentration solar battery chip radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720729924.4U CN207074983U (en) | 2017-06-22 | 2017-06-22 | high concentration solar battery chip radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207074983U true CN207074983U (en) | 2018-03-06 |
Family
ID=61514114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720729924.4U Expired - Fee Related CN207074983U (en) | 2017-06-22 | 2017-06-22 | high concentration solar battery chip radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207074983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108809253A (en) * | 2018-06-13 | 2018-11-13 | 中国科学院工程热物理研究所 | A kind of high power concentrating photovoltaic thermal controls apparatus |
-
2017
- 2017-06-22 CN CN201720729924.4U patent/CN207074983U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108809253A (en) * | 2018-06-13 | 2018-11-13 | 中国科学院工程热物理研究所 | A kind of high power concentrating photovoltaic thermal controls apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180306 Termination date: 20180622 |