CN209823664U - Solar thermoelectric power generation device - Google Patents
Solar thermoelectric power generation device Download PDFInfo
- Publication number
- CN209823664U CN209823664U CN201920639838.3U CN201920639838U CN209823664U CN 209823664 U CN209823664 U CN 209823664U CN 201920639838 U CN201920639838 U CN 201920639838U CN 209823664 U CN209823664 U CN 209823664U
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- China
- Prior art keywords
- solar
- thermoelectric generation
- thermoelectric
- generation device
- collection box
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Abstract
The utility model discloses a solar temperature difference power generation device, which comprises a transparent solar heat collection box with a sealing structure; the bottom surface of the solar heat collection box is provided with a copper plate, and the lower surface of the copper plate is provided with a hot end of a thermoelectric generation piece in contact with the copper plate; the cold end of the thermoelectric generation piece is connected with a radiating fin arranged below the thermoelectric generation piece; the thermoelectric generation pieces are provided with at least one group, and at least one group is arranged in each group; the output end of the temperature difference power generation sheet is connected with the booster circuit; the utility model discloses the copper contacts as the hot junction of thermal-arrest board with the thermoelectric generation piece, has increased area of contact, does not have calorific loss, has improved solar energy conversion efficiency.
Description
Technical Field
The utility model relates to a power generation facility, concretely relates to solar power generation facility.
Background
The existing solar power generation device mainly generates power through a photoelectric effect, photon energy in sunlight is converted into electric energy through a solar cell panel, and the utilization efficiency of the photovoltaic cell panel to the solar energy is not high due to the requirement of the photoelectric effect on the photon energy. In the aspect of solar heat utilization, for example, a Stirling engine converts solar heat into kinetic energy to drive a generator to generate electric energy, and the power generation process has a process of converting the heat energy into the kinetic energy into the electric energy, so that the energy loss is large. For example, CN204733097U discloses a solar liquid-heat thermoelectric power generation device, which uses the temperature difference between solar hot water and cold liquid to generate power, but the liquid-heat circulation needs to be driven by a pump, which wastes energy.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that prior art exists, provide a but make full use of solar energy improves thermoelectric conversion efficiency's solar energy thermoelectric generation device.
The utility model adopts the technical proposal that: a solar temperature difference power generation device comprises a transparent solar heat collection box with a sealing structure; the bottom surface of the solar heat collection box is provided with a copper plate, and the lower surface of the copper plate is provided with a hot end of a thermoelectric generation piece in contact with the copper plate; the cold end of the thermoelectric generation piece is connected with a radiating fin arranged below the thermoelectric generation piece; the thermoelectric generation pieces are provided with at least one group, and at least one group is arranged in each group; the output end of the thermoelectric generation piece is connected with the booster circuit.
Further, the boosting circuit is connected with a storage battery.
Furthermore, the side surface of the solar heat collection box is provided with a heat preservation layer attached to the side surface of the solar heat collection box.
Furthermore, two groups of thermoelectric generation pieces are arranged, and each group is provided with three thermoelectric generation pieces which are mutually connected in series; the two groups of thermoelectric generation pieces are mutually connected in parallel.
Further, the cooling fin is a cold water tank.
Further, the interior of the solar heat collection box is vacuum.
Furthermore, the heat-insulating layer is made of heat-insulating cotton.
Furthermore, the solar heat collection box is of a cubic structure.
Further, the thermoelectric power generation piece is a TEC1-12705 type power generation piece; the booster circuit is a model SP1848-27145 chip.
The utility model has the advantages that:
(1) the copper plate in the utility model is used as a heat collecting plate to be contacted with the hot end of the thermoelectric generation sheet, so that the contact area is increased, no heat loss is caused, and the solar energy conversion efficiency is improved;
(2) the utility model provides a thermoelectric generation piece structure as an organic whole has reduced the complicated process of a plurality of semiconductors, has reduced the cost of labor.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the circuit connection structure of the present invention.
In the figure: 1-solar heat collection box, 2-thermoelectric generation piece and 3-copper plate.
Detailed Description
As shown in fig. 1 and 2, a solar thermoelectric power generation device includes a solar heat collecting box 1 having a transparent sealing structure; the bottom surface of the solar heat collection box 1 is provided with a copper plate 3, and the lower surface of the copper plate 3 is provided with a hot end of a thermoelectric generation sheet 2 contacted with the copper plate 3; the cold end of the thermoelectric generation piece 2 is connected with a radiating fin arranged below the thermoelectric generation piece; because there is the temperature difference in the both ends of thermoelectric generation piece 2, thermoelectric generation piece 2 converts heat energy into electric energy. The thermoelectric generation pieces 2 are provided with at least one group, and at least one group is arranged; the output end of the thermoelectric generation piece 2 is connected with a booster circuit. The booster circuit is a model SP1848-27145 chip. The thermoelectric power generation sheet 2 adopts a TEC1-12705 type power generation sheet
The booster circuit is connected with the storage battery. The side face of the solar heat collection box 1 is provided with a heat preservation layer attached to the solar heat collection box, the solar heat collection box 1 is of a cubic structure, and the heat preservation layer is made of black heat preservation cotton and wraps the solar heat collection box 1 all around tightly.
The thermoelectric generation pieces 2 are arranged in two groups, and each group is provided with three thermoelectric generation pieces 2 which are mutually connected in series; the two groups of thermoelectric generation pieces 2 are mutually connected in parallel; fig. 2 shows the circuit part connection structure of the present invention, wherein U1-U6 represent six thermoelectric power generation elements respectively.
The cooling fin is a cold water tank. The interior of the solar heat collection box 1 is set to be vacuum, and the solar heat collection efficiency can be further improved in the vacuum state.
The utility model discloses a heat energy that the thermal-arrest case was collected utilizes thermoelectric generation piece 2 to convert heat energy into electric energy, behind the boost circuit, but the lug connection load supplies power. The utility model discloses increased thermoelectric generation piece 2 and thermal-arrest board copper 3's area, no heat loss has improved solar energy conversion efficiency.
Claims (9)
1. A solar temperature difference power generation device is characterized by comprising a solar heat collection box (1) with a transparent sealing structure; the bottom surface of the solar heat collection box (1) is provided with a copper plate (3), and the lower surface of the copper plate (3) is provided with a hot end of a thermoelectric generation sheet (2) which is in contact with the copper plate; the cold end of the thermoelectric generation piece (2) is connected with a radiating fin arranged below the thermoelectric generation piece; at least one group of thermoelectric generation pieces (2) is arranged, and at least one thermoelectric generation piece is arranged in each group; the output end of the thermoelectric generation piece (2) is connected with the booster circuit.
2. The solar thermoelectric power generation device of claim 1, wherein the boost circuit is connected to a battery.
3. The solar thermoelectric power generation device according to claim 1, wherein the side surface of the solar heat collection box (1) is provided with a heat insulation layer attached to the side surface.
4. The solar thermoelectric generation device according to claim 1, wherein the thermoelectric generation pieces (2) are provided in two groups, each group being provided with three thermoelectric generation pieces (2) connected in series with each other; the two groups of thermoelectric generation pieces (2) are mutually connected in parallel.
5. The solar thermoelectric generation device of claim 1, wherein the heat sink is a cold water tank.
6. The solar thermoelectric power generation device according to claim 1, wherein the inside of the solar heat collection box (1) is provided with vacuum.
7. The solar thermoelectric generation device according to claim 3, wherein the insulation layer is made of insulation cotton.
8. The solar thermoelectric power plant according to claim 1, characterized in that said solar collection box (1) has a cubic structure.
9. The solar thermoelectric generation device according to claim 1, wherein the thermoelectric generation sheet (2) is a TEC1-12705 type power generation sheet; the booster circuit is a model SP1848-27145 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920639838.3U CN209823664U (en) | 2019-05-06 | 2019-05-06 | Solar thermoelectric power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920639838.3U CN209823664U (en) | 2019-05-06 | 2019-05-06 | Solar thermoelectric power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209823664U true CN209823664U (en) | 2019-12-20 |
Family
ID=68882675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920639838.3U Expired - Fee Related CN209823664U (en) | 2019-05-06 | 2019-05-06 | Solar thermoelectric power generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209823664U (en) |
-
2019
- 2019-05-06 CN CN201920639838.3U patent/CN209823664U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20191220 Termination date: 20210506 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |