CN1330083C - Thermoelectric type mini power source - Google Patents
Thermoelectric type mini power source Download PDFInfo
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- CN1330083C CN1330083C CNB031170358A CN03117035A CN1330083C CN 1330083 C CN1330083 C CN 1330083C CN B031170358 A CNB031170358 A CN B031170358A CN 03117035 A CN03117035 A CN 03117035A CN 1330083 C CN1330083 C CN 1330083C
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- thermoelectric
- conversion sheet
- thermoelectric conversion
- lower wall
- type micro
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Abstract
本发明的热电式微型电源包括热电转换片，热电转换片的两面分别与具有螺旋形槽的上壁板和下壁板紧贴，在热电转换片的几何中心处有通孔，通孔的两端分别与上壁板和下壁板的螺旋槽的中心连通构成排气管道和进气管道，下壁板的螺旋槽中心为燃烧室，它的周壁镀有无焰燃烧金属催化剂，燃烧室中有与金属催化剂相同的金属绕制的线圈，该线圈的两端与用于接外电池的引线相连接。使用时，通过通入管道中可燃气体的燃烧，在热电转换片两面产生温差电动势，获得电能。该电源体积小，厚度薄，外形厚度可在1mm～10mm之间，特别适用于无普通电源的野外以及为军事、航空方面高、精、尖技术领域中的微型装置提供电源。
The thermoelectric micro power supply of the present invention includes a thermoelectric conversion sheet, the two sides of the thermoelectric conversion sheet are respectively closely attached to the upper wall plate and the lower wall plate with a spiral groove, and a through hole is arranged at the geometric center of the thermoelectric conversion sheet, and the two sides of the through hole The ends are respectively connected with the centers of the spiral grooves of the upper wall plate and the lower wall plate to form an exhaust pipe and an air intake pipe. The center of the spiral groove of the lower wall plate is a combustion chamber, and its surrounding wall is coated with a flameless combustion metal catalyst. In the combustion chamber There is a coil wound of the same metal as the metal catalyst, and the ends of the coil are connected to the leads for the external battery. When in use, through the combustion of combustible gas in the pipeline, a thermoelectric electromotive force is generated on both sides of the thermoelectric conversion sheet to obtain electric energy. The power supply is small in size, thin in thickness, and the thickness of the shape can be between 1mm and 10mm. It is especially suitable for providing power for micro devices in the fields of military and aviation high-tech and cutting-edge technologies.
Description
Technical field
The present invention relates to a kind of thermoelectric (al) type micro power, is to belong to the device that utilizes thermo-electric generation specifically.
Background technology
Thermoelectric conversion sheet has the performance that can produce thermoelectromotive force when there is the temperature difference in its two sides, and is current, the thermoelectric conversion device that utilizes thermoelectric conversion sheet to realize, itself do not have temperature difference source, can only rely on the extraneous temperature difference that produces, such as the hot water pipe road, there is the limitation of field of employment in solar radiations etc.
Summary of the invention
The purpose of this invention is to provide a kind of thermoelectric (al) type micro power that is not subjected to the field of employment limitation.
Thermoelectric (al) type micro power of the present invention has the thermoelectric conversion sheet of power output end, the two sides that it is characterized in that thermoelectric conversion sheet is close to wainscot with spiral slot and lower wall panels respectively, there is through hole at geometric center place in thermoelectric conversion sheet, the two ends of through hole are communicated with formation discharge duct and admission line respectively with the spiral fluted center of wainscot and lower wall panels, the helicla flute center of lower wall panels is the combustion chamber, its perisporium is coated with the flameless combustion metallic catalyst, the coil that the metal coiling identical with metallic catalyst arranged in the combustion chamber, the two ends of this coil are connected with the lead-in wire that is used to connect outer battery.
Above-mentioned flameless combustion metallic catalyst can adopt platinum or palladium or nickel etc.
During use, in advancing of connecting through thermoelectric conversion sheet, logical fuel gas in the discharge duct, and wire coil is connected external connection battery carry out the short time and heat fast, make the temperature of the combustion chamber that is coated with the flameless combustion metallic catalyst reach the temperature that fuel can be kept sustained combustion, again wire coil is cut off the power supply, fuel constantly enters combustion chamber and sustained combustion from the fuel under high pressure chamber by admission line, radiation along with heat, and gas flows in discharge duct, caused the admission line temperature to be higher than the temperature of discharge duct, thermoelectric conversion sheet produces the direct current potential difference by the temperature difference, at the lasting output of the power output end electric energy of thermoelectric conversion sheet.
This thermoelectric (al) type micro power profile is a sheet type, and its thickness can be controlled between 1mm～10mm as required.
The advantage of thermoelectric (al) type micro power of the present invention is: can be effectively be electric energy output with the thermal power transfer of fuel combustion, this power volume is little, thin thickness is specially adapted to not have the open-air of common power and provides micro power for the micro device in military, the aviation aspect high, precision and frontier technical field.
Description of drawings
Fig. 1 is the outline drawing of thermoelectric (al) type micro power;
Fig. 2 is the A-A profile of Fig. 1:
Fig. 3 is followed successively by inverted wainscot, inverted thermoelectric conversion sheet and lower wall panels schematic diagram from left to right.
Embodiment
With reference to accompanying drawing, thermoelectric (al) type micro power of the present invention includes the thermoelectric conversion sheet 2 of power output end, the wainscot 1 with spiral slot 6 and lower wall panels 3, upper and lower wallboard is formed by high temperature resistant and nonconducting silicon chip or silicon dioxide etching usually, its spiral slot on same plane with circular or square or random geometry spiral (referring to Fig. 3), in the illustrated example, spiral slot spirals for being square on same plane, the cross section of spiral slot 6 can be square or rectangle, and its height and width range are between 20 μ m～500 μ m.There is through hole 9 at geometric center place in thermoelectric conversion sheet, wainscot 1 and lower wall panels 3 usefulness high temperature resistant binders tightly are bonded at respectively on upper and lower two planes of thermoelectric conversion sheet, the two ends of central through hole 9 are communicated with formation discharge duct and admission line respectively with the spiral fluted center of wainscot 1 and lower wall panels 3, the corresponding thermoelectric conversion sheet 2 of inlet and outlet pipeline is the mirror image symmetry, 4 is the gas outlet among Fig. 1, and 5 is air inlet.Usually make the height of the diameter of thermoelectric conversion sheet central through hole and pipeline identical with width.The helicla flute center of lower wall panels 3 is combustion chamber 7, legend, perisporium in the combustion chamber is coated with flameless combustion metallic catalyst platinum, below the through hole of thermoelectric conversion sheet, be welded with the platinum filament coil 8 that is the U type, the platinum filament coil stretches in the combustion chamber 7, and its two ends link to each other with the lead-in wire 10 that is used to connect outer battery that is located at thermoelectric conversion sheet surface.The inlet and outlet pipeline connects through the through hole of thermoelectric conversion sheet, feeds fuel gas in pipeline, and compression gases such as fuel gas available hydrogen, ethanol, acetylene and propane mix mutually with compressed air.
Claims (5)
1. thermoelectric (al) type micro power, thermoelectric conversion sheet (2) with power output end, the two sides that it is characterized in that thermoelectric conversion sheet (2) is close to wainscot with spiral slot (6) (1) and lower wall panels (3) respectively, at the geometric center place of thermoelectric conversion sheet through hole (9) is arranged, the two ends of through hole (9) are communicated with formation discharge duct and admission line respectively with the spiral fluted center of wainscot (1) and lower wall panels (3), the helicla flute center of lower wall panels (3) is combustion chamber (7), its perisporium is coated with the flameless combustion metallic catalyst, the coil (8) that the metal coiling identical with metallic catalyst arranged in the combustion chamber (7), the two ends of this coil are connected with the lead-in wire that is used to connect outer battery (10), in advancing of connecting through thermoelectric conversion sheet, logical fuel gas in the discharge duct.
2. by the described thermoelectric (al) type micro power of claim 1, it is characterized in that said flameless combustion metallic catalyst is platinum or palladium or nickel.
3. by the described thermoelectric (al) type micro power of claim 1, the wainscot (1) and the lower wall panels (3) that it is characterized in that having spiral slot are respectively to be formed by silicon chip or silicon dioxide etching.
4. by the described thermoelectric (al) type micro power of claim 1, it is characterized in that the cross section of said spiral slot (6) is square or rectangular, its height and width range are 20 μ m～500 μ m.
5. by the described thermoelectric (al) type micro power of claim 1, the thickness that it is characterized in that this power supply is 1mm～10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031170358A CN1330083C (en) | 2003-05-16 | 2003-05-16 | Thermoelectric type mini power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031170358A CN1330083C (en) | 2003-05-16 | 2003-05-16 | Thermoelectric type mini power source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1449105A CN1449105A (en) | 2003-10-15 |
| CN1330083C true CN1330083C (en) | 2007-08-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031170358A Expired - Fee Related CN1330083C (en) | 2003-05-16 | 2003-05-16 | Thermoelectric type mini power source |
Country Status (1)
| Country | Link |
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| CN (1) | CN1330083C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101691201B (en) * | 2009-08-14 | 2011-12-21 | 江苏大学 | Novel power device for generating electric energy and thrust based on micro-combustion |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1322598C (en) * | 2005-01-07 | 2007-06-20 | 清华大学 | Counterflow heat exchanging burners |
| CN101860280B (en) * | 2010-04-27 | 2012-07-25 | 南京航空航天大学 | Mini combustion-type semiconductor thermo-electric generator |
| EP2500269A1 (en) * | 2011-03-18 | 2012-09-19 | AGUSTAWESTLAND S.p.A. | Aircraft capable of hovering |
| CN113339796B (en) * | 2021-06-02 | 2023-06-30 | 北京理工大学 | Thermoelectric system based on pulse energy supply burner |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010029974A1 (en) * | 2000-01-07 | 2001-10-18 | Cohen Adam L. | Microcombustor and combustion-based thermoelectric microgenerator |
| US6548750B1 (en) * | 1999-02-19 | 2003-04-15 | Peltech S.R.L. | Solid state thermoelectric device |
| CN2620427Y (en) * | 2003-05-16 | 2004-06-09 | 浙江大学 | Mini-thermoelectric power |
-
2003
- 2003-05-16 CN CNB031170358A patent/CN1330083C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6548750B1 (en) * | 1999-02-19 | 2003-04-15 | Peltech S.R.L. | Solid state thermoelectric device |
| US20010029974A1 (en) * | 2000-01-07 | 2001-10-18 | Cohen Adam L. | Microcombustor and combustion-based thermoelectric microgenerator |
| CN2620427Y (en) * | 2003-05-16 | 2004-06-09 | 浙江大学 | Mini-thermoelectric power |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101691201B (en) * | 2009-08-14 | 2011-12-21 | 江苏大学 | Novel power device for generating electric energy and thrust based on micro-combustion |
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| Publication number | Publication date |
|---|---|
| CN1449105A (en) | 2003-10-15 |
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Granted publication date: 20070801 |