CN108493322A - The thermocouple unit of annular thermoelectric material electric organ and annular thermoelectric material electric organ - Google Patents
The thermocouple unit of annular thermoelectric material electric organ and annular thermoelectric material electric organ Download PDFInfo
- Publication number
- CN108493322A CN108493322A CN201810424462.4A CN201810424462A CN108493322A CN 108493322 A CN108493322 A CN 108493322A CN 201810424462 A CN201810424462 A CN 201810424462A CN 108493322 A CN108493322 A CN 108493322A
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- thermoelectric material
- annular
- supporting leg
- material supporting
- thermocouple
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- 239000000463 material Substances 0.000 title claims abstract description 72
- 210000000031 electric organ Anatomy 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000000919 ceramic Substances 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 238000000605 extraction Methods 0.000 claims abstract description 4
- 230000017525 heat dissipation Effects 0.000 claims 1
- 238000010248 power generation Methods 0.000 description 8
- 235000012431 wafers Nutrition 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000005678 Seebeck effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/80—Constructional details
- H10N10/81—Structural details of the junction
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N19/00—Integrated devices, or assemblies of multiple devices, comprising at least one thermoelectric or thermomagnetic element covered by groups H10N10/00 - H10N15/00
- H10N19/101—Multiple thermocouples connected in a cascade arrangement
Abstract
The thermocouple unit of annular thermoelectric material electric organ of the invention, including thermoelectric material supporting leg and metal connecting sheet/electrode, the thermocouple unit both ends of the surface are isocentric circular arc end face, with the circumferential angle for thermoelectric material supporting leg, r1And r2Respectively radial distance of the center of circle of cylinder body heat source to thermoelectric material supporting leg top and bottom, p-type is connected with N-shaped thermoelectric material supporting leg by metal connecting sheet/electrode, constitute annular thermocouple, p-type and N-shaped thermoelectric material supporting leg radial width are directly proportional to radius, thickness is inversely proportional with radius, and p-type and N-shaped thermoelectric material supporting leg are equal in radial direction sectional area.Annular thermoelectric material electric organ of the invention, it is made of ring pipe and a certain number of thermocouple units and extraction electrode, annular inside pipe wall is temperature end, outer wall is low-temperature end, thermocouple unit is clipped in annular inside pipe wall, among two layers of heat-conduction electric insulation ceramic wafer of outer wall, and each thermocouple unit is sequentially connected by metal connecting sheet/electrode.The present invention is significantly improved relative to existing leg-type annular thermoelectric material electric organ, specific power.
Description
Technical field
The present invention relates to a kind of temperature difference electricity generation devices, more particularly, to a kind of annular thermocouple unit of thermoelectric material power generation
And annular thermoelectric material electric organ.
Background technology
Thermoelectric material has Seebeck effect, when there are the temperature difference in thermoelectric material both sides, can generate potential difference in its both sides, i.e.,
Electric energy can be converted heat into.It mutually converts with thermal energy since thermo-electric device can be directly realized by electric energy, is primarily used in early days
Detection temperature was widely used in electron temperature-control, waste-heat power generation and space flight battery pack later with the exploitation of high performance thermoelectric material
Equal fields.
Thermoelectric material power generator is easy maintenance, energy conservation and environmental protection, simple and stable.More than pyroelectric technology progress industry
The thermo-electric generation of heat or vehicle exhaust, gradually shows vast market prospect.However the efficiency of thermo-electric generation and power also have
It waits further increasing, constantly demand is widely applied to adapt to it.
Invention content
In order to improve the specific power of thermoelectric material power generation（The output power of unit mass thermoelectric material）, the present invention proposes
A kind of the thermocouple unit and its annular thermoelectric material electric organ of thermoelectric material power generation, are cylinders suitable for heat source, especially
When heat source is coal-burning boiler and automobile exhaust cylinder, it can be achieved that waste heat efficiently uses.
The technical solution adopted in the present invention：
A kind of thermocouple unit of annular thermoelectric material electric organ, including p-type thermoelectric material supporting leg（3）, N-shaped thermoelectric material supporting leg
（4）And metal connecting sheet/electrode（6）, the thermocouple unit both ends of the surface are isocentric circular arc end face, with for thermoelectric material branch
The circumferential angle of leg, r1And r2The respectively center of circle of cylinder body heat source is to the radial distance of thermoelectric material supporting leg top and bottom, institute
State p-type thermoelectric material supporting leg（3）With N-shaped thermoelectric material supporting leg（4）Pass through high conduction performance metal connecting sheet/electrode（6）Connection,
Constitute annular thermocouple, p-type and N-shaped thermoelectric material supporting leg radial width are directly proportional to radius in the thermocouple unit, thickness
It is inversely proportional with radius, keeps p-type and N-shaped thermoelectric material supporting leg equal in radial direction sectional area.
A kind of annular thermoelectric material electric organ using thermocouple unit as previously described, by ring pipe and a certain number of heat
Galvanic couple unit and extraction electrode are constituted, and the inner and outer wall of ring pipe uses heat-conduction electric insulation ceramic wafer, the annular inside pipe wall
（5）For temperature end, inside flows through high temperature heat source（1）, annular pipe outer wall（2）For low-temperature end, thermocouple unit is clipped in ring pipe
Among two layers wall, outer wall of heat-conduction electric insulation ceramic wafer, each thermocouple unit is sequentially connected by metal connecting sheet/electrode.
Beneficial effects of the present invention：
1, the thermocouple unit of thermoelectric material power generation of the present invention, it is reasonable in design, improve the ratio work(of annular thermoelectric generator
Rate.The annular thermoelectric material supporting leg is directly proportional to radius in radial width, when thickness is inversely proportional with radius, can make p-type and N-shaped
Thermoelectric material supporting leg is equal in radial direction sectional area, its specific power, the i.e. output power of unit mass can at this time reached most
Greatly.It provides the foundation for high-power, dynamical temperature difference electricity generation device.
2, the annular thermoelectric material electric organ of the present invention, is cylinder suitable for heat source, especially when heat source is coal-burning boiler
With when automobile exhaust cylinder, it can be achieved that waste heat efficiently uses.Using the thermoelectric material leg-type annular thermoelectric power generation of cross-section area
Device, compares existing thermoelectric material leg-type annular thermoelectric generator, and specific power significantly improves.
Description of the drawings
Fig. 1 is the structural schematic diagram of annular thermoelectric material electric organ of the invention；
Fig. 2 is the planar structure schematic diagram of the thermocouple unit of thermoelectric material power generation of the present invention；
Fig. 3 is the dimensional structure diagram of the thermocouple unit of thermoelectric material power generation of the present invention；
Fig. 4 is the ratio of the annular thermoelectric generator specific power of cross-section area and the annular thermoelectric generator specific power of equal thickness
pm/pm0With r2/r1Relational graph.
Specific implementation mode
Below by specific implementation mode, technical scheme of the present invention will be described in further detail.
Embodiment 1
Referring to Fig. 1, Fig. 2, Fig. 3, the thermocouple unit of present invention annular thermoelectric material electric organ, including p-type thermoelectric material supporting leg
3, N-shaped thermoelectric material supporting leg 4 and metal connecting sheet/electrode 6, the thermocouple unit both ends of the surface are isocentric circular arc end face, with
For the circumferential angle of thermoelectric material supporting leg, r1And r2Respectively the center of circle of cylinder body heat source to thermoelectric material supporting leg upper end and under
The radial distance at end, the p-type thermoelectric material supporting leg 3 and N-shaped thermoelectric material supporting leg 4 by high conduction performance metal connecting sheet/
Electrode 6 connects, and constitutes annular thermocouple, and the p-type and N-shaped thermoelectric material supporting leg radial width are directly proportional to radius, thickness and
Radius is inversely proportional, and keeps p-type and N-shaped thermoelectric material supporting leg equal in radial direction sectional area.
Embodiment 2
Referring to Fig. 1, Fig. 2, Fig. 3, the present embodiment is the annular thermoelectric material electric organ using thermocouple unit described in embodiment 1,
It is made of ring pipe and a certain number of thermocouple units and extraction electrode, the inner and outer wall of ring pipe uses heat-conduction electric insulation
Ceramic wafer, the annular inside pipe wall 5 are temperature end, and inside flows through high temperature heat source 1, and annular pipe outer wall 2 is low-temperature end, thermocouple list
Member is clipped in annular inside pipe wall, among two layers of heat-conduction electric insulation ceramic wafer of outer wall, and each thermocouple unit passes through metal connecting sheet/electrode
It is sequentially connected.
Annular thermoelectric material electric organ of the invention, is cylinder suitable for heat source, especially when heat source be coal-burning boiler and
, it can be achieved that waste heat efficiently uses when automobile exhaust cylinder.Referring to Fig. 1, Fig. 2,5 be heat-conduction electric insulation ceramic wafer in figure, and 6 connect for metal
Contact pin, the high temperature heat source end 1 when center and outermost low-temperature end（Annular pipe outer wall 2 is equipped with radiating fin）When having the temperature difference（I.e.）, the p-type semiconductor thermoelectric material 3 and n-type semiconductor thermoelectric material 4 being connected to as shown in Figure 2 then exist
Electric current is generated in annular thermoelectric material electric organ, realizes thermal energy to electric transformation of energy.
The annular thermocouple unit that Fig. 2 is shown in Fig. 1, is the circumferential angle of thermoelectric material supporting leg, T1For position
High temperature heat source end temperature in center, T2The temperature difference for outermost low-temperature end temperature, the two is DT, r1And r2Respectively cylinder
To the radial distance of thermoelectric material supporting leg top and bottom, p-type and N-shaped thermoelectric material supporting leg pass through highly conductive in the center of circle of body heat source
Function metals connection sheet connects, and constitutes annular thermocouple, is clipped among two heat-conduction electric insulation ceramic wafers, forms sandwich structure
Annular thermoelectric generator, I is electric current, for counterclockwise, RLIt is outer string resistance, represents external electricity consumption device, such as micro- electricity
Sub- device.Annular thermoelectric material electric organ is used as microelectronic component power supply, also can be to charge the battery.
As shown in figure 3, annular thermoelectric generator radial width is directly proportional to radius, thickness is inversely proportional with radius, make p-type and
N-shaped thermoelectric material supporting leg is equal in radial direction sectional area, at this point, the specific power of annular thermoelectric generator is maximum.
The annular thermoelectric generator for the annular thermoelectric generator specific power and equal thickness that Fig. 4 show cross-section area compares work(
The ratio p of ratem/pm0With r2/r1Relational graph（Specific power correlation curve）.Abscissa is the outer diameter and internal diameter ratio r of thermocouple2/
r1；Ordinate is the ratio of the specific power of cross-section area annular thermoelectric generator and the specific power of equal thickness annular thermoelectric generator
Value pm/pm0, which is more than 1, and with r2/r1Increase, ratio pm/pm0It is increased.This explanation, cross-section area ring
The specific power of shape thermoelectric generator obtains larger raising, and as the radical length of thermocouple increases, specific power constantly increases.
Claims (3)
1. a kind of thermocouple unit of annular thermoelectric material electric organ, including p-type thermoelectric material supporting leg（3）, N-shaped thermoelectric material branch
Leg（4）And metal connecting sheet/electrode（6）, it is characterised in that：The thermocouple unit both ends of the surface are isocentric circular arc end face, with
For the circumferential angle of thermoelectric material supporting leg, r1And r2Respectively the center of circle of cylinder body heat source to thermoelectric material supporting leg upper end and under
The radial distance at end, the p-type thermoelectric material supporting leg（3）With N-shaped thermoelectric material supporting leg（4）It is connected by high conduction performance metal
Piece/electrode（6）Connection constitutes annular thermocouple, and the p-type and N-shaped thermoelectric material supporting leg radial width are directly proportional to radius, thick
Degree is inversely proportional with radius, keeps p-type and N-shaped thermoelectric material supporting leg equal in radial direction sectional area.
2. a kind of annular thermoelectric material electric organ using thermocouple unit described in claim 1, by ring pipe and certain amount
Thermocouple unit and extraction electrode constitute, the inner and outer wall of ring pipe uses heat-conduction electric insulation ceramic wafer, it is characterised in that：
The annular inside pipe wall（5）For temperature end, inside flows through high temperature heat source（1）, annular pipe outer wall（2）For low-temperature end, thermocouple list
Member is clipped in annular inside pipe wall, among two layers of heat-conduction electric insulation ceramic wafer of outer wall, and each thermocouple unit passes through metal connecting sheet/electrode
It is sequentially connected.
3. annular thermoelectric material electric organ according to claim 2, it is characterised in that：The annular pipe outer wall is equipped with heat dissipation
Fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810424462.4A CN108493322B (en) | 2018-05-07 | 2018-05-07 | Thermocouple unit of annular thermoelectric material generator and annular thermoelectric material generator |
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|---|---|---|---|
| CN201810424462.4A CN108493322B (en) | 2018-05-07 | 2018-05-07 | Thermocouple unit of annular thermoelectric material generator and annular thermoelectric material generator |
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| CN108493322A true CN108493322A (en) | 2018-09-04 |
| CN108493322B CN108493322B (en) | 2023-12-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111106230A (en) * | 2019-12-31 | 2020-05-05 | 中国电子科技集团公司第十八研究所 | Micro-temperature difference power generation device with planar radiation structure |
| CN112532110A (en) * | 2020-11-20 | 2021-03-19 | 中国核动力研究设计院 | Heat source suitable for temperature difference type thermoelectric conversion |
| CN116059533A (en) * | 2023-02-20 | 2023-05-05 | 湖南安泰康成生物科技有限公司 | Active heat dissipation electrode slice and electrode device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111106230A (en) * | 2019-12-31 | 2020-05-05 | 中国电子科技集团公司第十八研究所 | Micro-temperature difference power generation device with planar radiation structure |
| CN112532110A (en) * | 2020-11-20 | 2021-03-19 | 中国核动力研究设计院 | Heat source suitable for temperature difference type thermoelectric conversion |
| CN116059533A (en) * | 2023-02-20 | 2023-05-05 | 湖南安泰康成生物科技有限公司 | Active heat dissipation electrode slice and electrode device |
| CN116059533B (en) * | 2023-02-20 | 2023-11-21 | 湖南安泰康成生物科技有限公司 | Active heat dissipation electrode slice and electrode device |
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| Publication number | Publication date |
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| CN108493322B (en) | 2023-12-26 |
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Effective date of registration: 20231120 Address after: 467036 Henan province Pingdingshan city new city Longxiang Road Applicant after: Henan University of Urban Construction Applicant after: Ningbo University Address before: 467036 Henan province Pingdingshan city new city Longxiang Road Applicant before: Henan University of Urban Construction |
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