CN214101212U - Solar photo-thermal temperature difference power generation device - Google Patents
Solar photo-thermal temperature difference power generation device Download PDFInfo
- Publication number
- CN214101212U CN214101212U CN202023137444.XU CN202023137444U CN214101212U CN 214101212 U CN214101212 U CN 214101212U CN 202023137444 U CN202023137444 U CN 202023137444U CN 214101212 U CN214101212 U CN 214101212U
- Authority
- CN
- China
- Prior art keywords
- power generation
- fresnel lens
- piece
- generation device
- heat conduction
- 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.)
- Active
Links
Images
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model belongs to the power generation field discloses a solar photothermal temperature difference power generation device, including fresnel lens, heat conduction piece, the semiconductor thermoelectric generation piece that is located fresnel lens below, the high temperature side and the heat conduction piece heat-conducting contact of semiconductor thermoelectric generation piece, the low temperature side of semiconductor thermoelectric generation piece is connected with radiating element, arrange with interval adjustable mode between fresnel lens and the heat conduction piece, it utilizes fresnel lens and semiconductor power generation piece to carry out the stable electricity generation.
Description
Technical Field
The utility model relates to a power generation field specifically is a solar photothermal temperature difference power generation facility.
Background
The Ningdong power supply company of Ningxia electric power company of applicant's national network proposed a utility model patent CN201721234656.5 in 2017, which discloses a Fresnel focusing thermal power generation device, a Fresnel lens is disposed on the upper portion of a semiconductor thermoelectric power generation device, sunlight is focused on the heating surface of the semiconductor thermoelectric power generation device through the Fresnel lens, the semiconductor thermoelectric power generation device comprises an inclined thermoelectric power generation sheet and a flat thermoelectric power generation sheet, the inclined thermoelectric power generation sheet is respectively spliced on both ends of the flat thermoelectric power generation sheet, the heat dissipation surface of the semiconductor thermoelectric power generation device is in close contact with the upper surface of the heat dissipation device, the lower portion of the heat dissipation device is disposed in a cooling medium, the inclined thermoelectric power generation sheet and the flat thermoelectric power generation sheet are arranged in a concave arc shape, so that no matter how the altitude angle and azimuth angle of the sun change, light spots generated by sunlight through the Fresnel lens always fall on the heating surface of the semiconductor thermoelectric power generation sheet coated with a sunlight heat absorption coating, the temperature of the heating surface is increased, the temperature difference value of the cold end and the hot end of the semiconductor thermoelectric power generation piece is improved, and the generated electric quantity can be improved.
This scheme does not disclose fresnel lens and sets up to the setting of liftable, and in practical application, the semiconductor power generation piece needs very stable temperature difference condition, realizes that this purpose can follow two angles and set out, and first through cooling end control temperature difference size, the second makes the difference in temperature invariable through fresnel lens's transformation.
The latter is selected as the implementation means in the scheme.
Therefore, the technical problem to be solved by the scheme is as follows: how to adopt fresnel lens and semiconductor electricity generation piece to realize stable electricity generation.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solar photothermal temperature difference power generation device, it utilizes fresnel lens and semiconductor power generation piece to stabilize the electricity generation.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a solar photothermal temperature difference power generation device, includes fresnel lens, is located heat conduction piece, the semiconductor thermoelectric generation piece of fresnel lens below, the high temperature side and the heat conduction piece heat conduction contact of semiconductor thermoelectric generation piece, the low temperature side of semiconductor thermoelectric generation piece is connected with the radiating element, arrange with interval adjustable mode between fresnel lens and the heat conduction piece.
In the solar photothermal temperature difference power generation device, the fresnel lens is connected to a height adjustment unit.
In the solar photothermal temperature difference power generation device, the height adjusting unit includes a fixing frame for fixing the fresnel lens and a lifting cylinder for driving the fixing frame to lift.
In the solar photothermal thermoelectric power generation device, the fresnel lenses are strip-shaped and are multiple, and each fresnel lens corresponds to one semiconductor thermoelectric power generation sheet and one heat conduction block.
In the solar photo-thermal temperature difference power generation device, the heat dissipation unit is a heat dissipation unit based on water-cooling heat dissipation.
In the solar photo-thermal thermoelectric power generation device, the heat dissipation unit includes a heat exchanger located on the low-temperature side of the semiconductor thermoelectric power generation sheet, and a cooling water loop connected to the heat exchanger.
Compared with the prior art, the beneficial effects of the utility model are that:
utilize fresnel lens to carry out stable, quick absorption of solar energy, realize through adjusting the relative height between fresnel lens and the heat conduction piece that the difference in temperature is invariable between the high temperature side and the low temperature side of semiconductor thermoelectric generation piece, realize stable electricity generation.
Drawings
FIG. 1 is a schematic diagram of the structure of one implementation of example 1;
fig. 2 is a schematic structural diagram of another implementation manner of embodiment 1.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the following detailed description, but the present invention is not limited thereto.
Example 1
Referring to fig. 1, a solar photothermal thermoelectric power generation device comprises a fresnel lens 1, a heat conduction block 2 located below the fresnel lens 1, and a semiconductor thermoelectric power generation sheet 3, wherein the high-temperature side of the semiconductor thermoelectric power generation sheet 3 is in heat conduction contact with the heat conduction block 2, the low-temperature side of the semiconductor thermoelectric power generation sheet 3 is connected with a heat dissipation unit 4, and the fresnel lens 1 and the heat conduction block 2 are arranged in a manner of adjustable distance.
Under the sunshine condition of the difference of whole day, adjust the relative height of fresnel lens 1 relative heat conduction piece 2, can realize the temperature control of the high temperature side of semiconductor thermoelectric generation piece 3, will become to the requirement of the temperature control of the low temperature side of semiconductor thermoelectric generation piece 3 like this, reduced this power generation facility's the control degree of difficulty, its electricity generation is reliable and stable.
In practical application, one of the fresnel lens 1 and the heat conducting block 2 can be set to be height-adjustable, and preferably, a height adjusting unit is connected to the fresnel lens 1, and specifically, the height adjusting unit includes a fixing frame 5 for fixing the fresnel lens 1 and a lifting cylinder 6 for driving the fixing frame 5 to lift.
In practical applications, the fresnel lens 1 may not be a strip, generally, the fresnel lens 1 is a strip and has a plurality of strips, and referring to fig. 2, each fresnel lens 1 corresponds to one semiconductor thermoelectric generation sheet 3 and one heat conduction block 2. The strip-shaped Fresnel lenses 1 are sequentially arranged to form a plate shape and fixed on the fixing frame 5, and at least 3 vertically-arranged guide rods 7 and a lifting cylinder 6 for driving the fixing frame 5 to lift along the guide rods 7 are arranged on the fixing frame 5. In large-scale application, the lifting structure of the fixing frame 5 is more complex, and the embodiment only lists a simplest implementation mode.
In this embodiment, the heat dissipation unit 4 is preferably a heat dissipation unit 4 based on water cooling heat dissipation. For large-scale industrial application, water cooling and oil cooling are almost the only options. In small and medium-sized applications, other cooling modes such as air cooling and the like are also optional.
More specifically, the heat dissipation unit 4 includes a heat exchanger 41 located on the low temperature side of the semiconductor thermoelectric generation element 3, and a cooling water circuit 42 connected to the heat exchanger 41, wherein the cooling water circuits 42 of the plurality of heat exchangers 41 are connected in series to form a large cooling water circuit 42.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (6)
1. The utility model provides a solar photothermal temperature difference power generation device, includes fresnel lens, is located heat conduction piece, the semiconductor thermoelectric generation piece of fresnel lens below, the high temperature side and the heat conduction piece heat conduction contact of semiconductor thermoelectric generation piece, the low temperature side of semiconductor thermoelectric generation piece is connected with radiating element, its characterized in that: the Fresnel lens and the heat conducting block are arranged in a mode of adjustable distance.
2. The solar photothermal thermoelectric power generation device according to claim 1, characterized in that: the Fresnel lens is connected with a height adjusting unit.
3. The solar photothermal thermoelectric power generation device according to claim 2, characterized in that: the height adjusting unit comprises a fixing frame for fixing the Fresnel lens and a lifting cylinder for driving the fixing frame to lift.
4. The solar photothermal thermoelectric power generation device according to claim 1, characterized in that: the Fresnel lens is strip-shaped and is provided with a plurality of strips, and each Fresnel lens corresponds to one semiconductor thermoelectric generation sheet and one heat conduction block.
5. The solar photothermal thermoelectric power generation device according to claim 1, characterized in that: the heat dissipation unit is based on water-cooling heat dissipation.
6. The solar photothermal thermoelectric power generation device according to claim 5, wherein: the heat dissipation unit comprises a heat exchanger positioned on the low-temperature side of the semiconductor thermoelectric generation sheet and a cooling water loop connected with the heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023137444.XU CN214101212U (en) | 2020-12-22 | 2020-12-22 | Solar photo-thermal temperature difference power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023137444.XU CN214101212U (en) | 2020-12-22 | 2020-12-22 | Solar photo-thermal temperature difference power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214101212U true CN214101212U (en) | 2021-08-31 |
Family
ID=77431755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023137444.XU Active CN214101212U (en) | 2020-12-22 | 2020-12-22 | Solar photo-thermal temperature difference power generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214101212U (en) |
-
2020
- 2020-12-22 CN CN202023137444.XU patent/CN214101212U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2847686Y (en) | Light focusing heat collecting type solar energy temperature differential generator | |
| CN107221996A (en) | A kind of electric power system based on solar energy thermo-electric generation | |
| CN106679232A (en) | Low light concentration solar energy heat/electricity/cold integrated system | |
| TW201337195A (en) | Temperature differential power generation system of solar energy heat-collecting oil tank, and integrated planar micro-ultra heat pipe thermal conduction device, transition metal alloy super-heat conductive device and their applications | |
| CN103888050A (en) | Power generation and heat supply joint device for concentrator reflection type photovoltaic module | |
| CN106642472B (en) | Roof photovoltaic/semiconductor temperature regulating system | |
| CN105450173A (en) | Heat pipe type concentrating photovoltaic cooling heat-collecting apparatus | |
| CN214101212U (en) | Solar photo-thermal temperature difference power generation device | |
| CN205249143U (en) | Heat pipe formula spotlight photovoltaic cooling heating device | |
| CN102957345A (en) | High-concentration photovoltaic power generation heat supply system | |
| CN202581920U (en) | Solar refrigerating and water heating device | |
| CN202918219U (en) | High concentration photovoltaic generating heat supply system | |
| TWI360635B (en) | ||
| CN205377782U (en) | Photovoltaic cell plates on surface solar energy spotlight photovoltaic light and heat of spectro -film and uses multipurposely system | |
| CN202996871U (en) | Power generation and heat supply combined production apparatus of condensation and reflection type photovoltaic module group | |
| JPH0566065A (en) | Solar heat pump room heater/cooler hot water supplying apparatus | |
| CN111464131B (en) | Wind-resistant anti-freezing high-concentration photovoltaic-photo-thermal solar comprehensive utilization system | |
| CN203116311U (en) | Solar photovoltaic photo-thermal integrated device | |
| CN207304044U (en) | A kind of electric power system based on solar energy thermo-electric generation | |
| CN208143185U (en) | A kind of energy storage device that solar energy wind is photothermal integrated | |
| CN103138645A (en) | Thermoelectric conversion device for solar photovoltaic power generation system | |
| KR20100085462A (en) | Power generation system using solar energy | |
| CN201563079U (en) | Solar energy light gathering electricity generator with active heat radiation effect | |
| CN105577032A (en) | Unit type photoelectric-thermoelectric-hot water composite system by use of solar energy full spectrum | |
| CN101442281B (en) | Method and apparatus for using solar through photoelectric photo-thermal homobody synchronous transition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |