CN110474570A - A kind of thermoelectric generator and preparation method thereof with flexible extendable structure - Google Patents
A kind of thermoelectric generator and preparation method thereof with flexible extendable structure Download PDFInfo
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- CN110474570A CN110474570A CN201910870069.2A CN201910870069A CN110474570A CN 110474570 A CN110474570 A CN 110474570A CN 201910870069 A CN201910870069 A CN 201910870069A CN 110474570 A CN110474570 A CN 110474570A
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- thermoelectric arm
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- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000000758 substrate Substances 0.000 claims abstract description 33
- 238000004806 packaging method and process Methods 0.000 claims abstract description 28
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims abstract description 20
- 239000004205 dimethyl polysiloxane Substances 0.000 claims abstract description 20
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 20
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 claims abstract description 19
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052802 copper Inorganic materials 0.000 claims abstract description 11
- 239000010949 copper Substances 0.000 claims abstract description 11
- 238000007641 inkjet printing Methods 0.000 claims abstract description 7
- 238000011068 loading method Methods 0.000 claims abstract description 5
- 238000000605 extraction Methods 0.000 claims abstract description 4
- 238000007639 printing Methods 0.000 claims description 10
- 238000007650 screen-printing Methods 0.000 claims description 7
- 229910052709 silver Inorganic materials 0.000 claims description 6
- 239000004332 silver Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 238000007711 solidification Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910000679 solder Inorganic materials 0.000 claims description 4
- 230000005619 thermoelectricity Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 210000000031 electric organ Anatomy 0.000 abstract description 4
- 239000003292 glue Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 229940008099 dimethicone Drugs 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention discloses a kind of thermoelectric generator and preparation method thereof with flexible extendable structure, thermoelectric generator includes packaging cartridge, the flexible substrates of arc-shaped structure, packaging cartridge is located at the upper surface of flexible substrates, flexible substrates upper surface in packaging cartridge is equipped with the thermoelectric arm group of parallel arrangement, the head and the tail of adjacent two rows thermoelectric arm group are connected in series by extendable conducting wire, every heat extraction electric arm group includes several evenly spaced p-type thermoelectric arms, N-type thermoelectric arm is equipped between adjacent p-type thermoelectric arm, adjacent p-type thermoelectric arm is connected with N-type thermoelectric arm by extendable conducting wire, thermoelectric arm upper surface is equipped with copper sheet；Two p-type thermoelectric arm bottoms of concatenated thermoelectric arm group head and the tail are respectively equipped with conducting wire in packaging cartridge, and conducting wire is pierced by outside packaging cartridge and connect with external loading.The electric organ, as on conducting wire inkjet printing to substrate, keeps electric organ light-weight as encapsulating material, PI using PDMS as substrate, nano silver, flexible, is not susceptible to be broken, unit generated output density is big.
Description
Technical field
The present invention relates to thermoelectric generator technical field, specially a kind of thermoelectric generator with flexible extendable structure
And preparation method thereof.
Background technique
Since the thermoelectromotive force of semiconductor is larger, thermoelectric generator mostly is made with it.It is a kind of novel
Electronic device, the characteristics of noiseless, pollution-free, energy can be converted efficiently, imply the beginning of a Refrigeration Technique revolution, temperature
Difference power generation, because there is too many residual activity can use around us, waste vapour heat, waste water heat, useless burning hot, solar heat etc.
Deng.In today of energy growing tension, our hopes of thermo-electric generation are stronger.Its appearance make any phase substance,
Intelligence, the digitlization, Programmed control of the temperature of any local environment, are possibly realized.Think it is cold, i.e., it is cold；Think heat, i.e., hot, temperature
The control of degree.Follow one's bent for us.
Rectangular conducting wire is not enough easy to happen fracture due to flexible in bending on existing thermoelectric generator, contacts
Contact area when human skin is small, to influence the service life of thermoelectric generator, and existing thermoelectric generator quality phase
To weighting, unit generated output density is small, cannot good meet demand, be unfavorable for preferably supply use, there are certain
Shortcoming, it is to be improved.
Summary of the invention
The purpose of the present invention is in view of the deficiencies of the prior art, and provide a kind of temperature difference hair with flexible extendable structure
Electric appliance and preparation method thereof, the thermoelectric generator is light-weight, flexible, is not susceptible to be broken, and unit generated output density is big.
Realizing the technical solution of the object of the invention is:
A kind of thermoelectric generator with flexible extendable structure, including packaging cartridge, the flexible substrates of arc-shaped structure, packaging cartridge
The upper surface for being located at flexible substrates is fixed, the flexible substrates upper surface in packaging cartridge is equipped with the thermoelectric arm group of multiple rows of parallel arrangement,
The head and the tail of adjacent two rows thermoelectric arm group are connected in series by extendable conducting wire, and every heat extraction electric arm group includes that several intervals are uniform
P-type thermoelectric arm, N-type thermoelectric arm, adjacent p-type thermoelectric arm and N-type thermoelectric arm are equipped between adjacent p-type thermoelectric arm by can
The conducting wire of extension is connected in series, and each thermoelectric arm upper surface is equipped with copper sheet；Two P of concatenated thermoelectric arm group head and the tail in packaging cartridge
Type thermoelectric arm bottom is respectively equipped with conducting wire, and conducting wire is pierced by outside packaging cartridge and connect with external loading.
The extendable conducting wire is the extending conducting wire of snakelike interconnection architecture.
The extendable conducting wire is the conducting wire of nano silver material.
The packaging cartridge is PDMS packaging cartridge.
The flexible substrates are the flexible printed circuit board of PI material.
A kind of production method of the thermoelectric generator with flexible extendable structure, includes the following steps:
1) it prepares thermoelectric arm: making thermoelectric arm using screen printing mode；
2) flexible substrates are prepared: selecting the flexible printed circuit board of PI material, it is soft in PI according to thermoelectric arm using silver ink
Property printed circuit board on distribution situation, using inkjet printing, in PI flexible printed circuit board upper surface, printing connects each heat
The interconnection conducting wire of electric arm, and by thermoelectricity pastes blade coating on the flexible PI flexible printed circuit board of thermoelectric arm corresponding position；
3) thermoelectric arm is connect with flexible substrates using silver paste；
4) thermoelectric arm is coated with liquid PDMS, the thermoelectric generator with flexible extendable structure is made after solidification.
The step 2 is that PI flexible printed circuit board is fixed on the screen printing screens back side, keeps PI flexible printing electric
The electrode of road plate and the apertures in alignment of halftone are scratched solder on flexible printed circuit board using metallic spatula；The spray
The spacing of ink printing, ink jet printer nozzles and PI flexible printed circuit board is 1mm, and the printing number of plies is 7 layers；After ink-jet,
PI flexible printed circuit board is sintered 20 minutes as in 140 DEG C of constant temperature roasters, that is, flexible substrates are made.
A kind of thermoelectric generator and preparation method thereof with flexible extendable structure provided by the invention, having following has
Beneficial effect: using PDMS as encapsulating material, use PI as substrate, nano silver as on conducting wire inkjet printing to PI substrate, receive
Rice silver wire connects the thermoelectric arm of bottom using extendable structure, and the thermoelectric arm at top is connected with flexible copper electrode, is compared
The power generation performance of traditional thermoelectric generator, flexible electric organ is general, but its very light in weight, and unit generated output density is bigger,
And because it has flexibility, it can be applied to nonplanar place such as human skin, keep its contact area bigger, and extending
The conducting wire of shape provides flexibility, this helps to be applied on human body wearing and space industry, is conducive to use, can be improved device
Service life.
Detailed description of the invention
Fig. 1 is a kind of external structure schematic diagram of thermoelectric generator with flexible extendable structure；
Fig. 2 is a kind of schematic diagram of internal structure of thermoelectric generator with flexible extendable structure；
Fig. 3 is a kind of vertical view schematic diagram of internal structure of thermoelectric generator with flexible extendable structure；
Fig. 4 is extendable conductor structure schematic diagram；
In figure: the extendable conducting wire 7.P of 2. flexible substrates of 1.PDMS packaging cartridge, 3. conducting wire 4.N type thermoelectric arm, 5. copper sheet 6.
8. external loading of type thermoelectric arm.
Specific embodiment
The content of present invention is further elaborated with reference to the accompanying drawings and examples, but is not limitation of the invention.
It is as shown in Figs 1-4:
A kind of thermoelectric generator with flexible extendable structure, including PDMS packaging cartridge 1, the flexible substrates of arc-shaped structure 2,
PDMS packaging cartridge 1 fixes the upper surface for being located at flexible substrates 2, and 2 upper surface of flexible substrates in PDMS packaging cartridge 1 is equipped with multiple rows of flat
The head and the tail of the thermoelectric arm group of row arrangement, adjacent two rows thermoelectric arm group pass through 6 connection of extendable conducting wire series connection, every heat extraction electric arm group
Including several evenly spaced p-type thermoelectric arms 7, N-type thermoelectric arm 4, adjacent p-type heat are equipped between adjacent p-type thermoelectric arm 7
By 6 connection of extendable conducting wire series connection, each thermoelectric arm upper surface is equipped with copper sheet 5 for electric arm 7 and N-type thermoelectric arm 4；Packaging cartridge 1
Two 7 bottoms of p-type thermoelectric arm of interior concatenated thermoelectric arm group head and the tail are respectively equipped with conducting wire 3, and conducting wire 3 and PDMS packaging cartridge 1 are fixed
It connects and is pierced by outside PDMS packaging cartridge 1 and connect with external loading 8, circuit can be constituted, be conducive to use；Extendable conducting wire 6, N
Type thermoelectric arm 4, p-type thermoelectric arm 7 and copper sheet 5 are wrapped in the inside of PDMS packaging cartridge 1, and PDMS packaging cartridge 1 can play protection
Effect.
The extendable conducting wire 7 is the extending conducting wire of snakelike interconnection architecture, and extendable conducting wire provides flexibility,
It can be improved the integrally-built flexibility of thermoelectric generator, help to be applied on human body wearing and space industry.
The extendable conducting wire 7 is the conducting wire of nano silver material.
The flexible substrates 2, are the flexible printed circuit board of PI material, and arc-shaped PI substrate can be applied to human body
Nonplanar place such as skin, use scope are wide.
A kind of production method of the thermoelectric generator with flexible extendable structure, includes the following steps:
1) it prepares thermoelectric arm: making thermoelectric arm using screen printing mode, specifically:
The metal washer that a 0.1mm 1-1) is first put in substrate, puts up preparation for p-type plate, then takes down p-type version, put
All positon version scratches N-type thermocouple；
Stainless steel cover board 1-2) is placed in the thermoelectric arm cold end that arrangement is completed, is screwed with nut, to thermoelectric arm hot end and bottom electricity
Interpolar applies certain precompression, guarantees that solder contacts well with thermoelectric arm hot end, clamping fastening；Specifically by PI flexible printing
Circuit board is fixed on the screen printing screens back side, makes the electrode of PI flexible printed circuit board and the apertures in alignment of halftone, using gold
Belong to scraper to scratch solder on flexible printed circuit board；The inkjet printing, ink jet printer nozzles and PI flexible printing
The spacing of circuit board is 1mm, and the printing number of plies is 7 layers；After ink-jet, by PI flexible printed circuit board as 140 DEG C of thermostatic roastings
It is sintered 20 minutes in case, that is, flexible substrates is made.
1-3) global facility clamped is put into vacuum furnace, vacuum degree in furnace is evacuated to 100 by vacuum pump
Pa or so welds the hot end of thermoelectric generator, and hot end is completed；
It 1-4) uses army's woollen goods cloth and 0.5 μm of diamond abrasive to polish on metallic phase polisher milling to copper current-conducting piece, goes
The oxide and grease on copper removal surface；
1-5) copper sheet is positioned with mold, glues with PI glue band, is attached on the screen printing plate back side and is welded with blade coating
Material, is then affixed to cold end, applies precompression with metal cover board, thermoelectric arm is made
2) flexible substrates are prepared: selecting the flexible printed circuit board of PI material, it is soft in PI according to thermoelectric arm using silver ink
Property printed circuit board on distribution situation, using inkjet printing, in PI flexible printed circuit board upper surface, printing connects each heat
The interconnection conducting wire of electric arm, and by thermoelectricity pastes blade coating on the flexible PI flexible printed circuit board of thermoelectric arm corresponding position；
3) thermoelectric arm is connect with flexible substrates using silver paste；
4) it is stained with PI glue band in the cold end of thermoelectric arm, thermoelectric arm is poured with liquid PDMS, thermoelectric arm is coated, after solidification
Extra PDMS is removed, throws off PI glue band in ethanol, specifically: configuring the PDMS solution of 10:1 and be 5cst's with viscosity
Dimethicone (PMX-2005) according to the quality of 7:3 than mixed diluting, after mixture is sufficiently stirred, in a vacuum drying oven
Deaeration is cast in sample gap after deaeration processing in vacuum tank, and liquid level is slightly above the cold end of thermoelectric arm, in the unencapsulated temperature difference
PI glue band is pasted in electric organ bottom, prevents PDMS in solidification process from squeezing out from hollow out, the thermo-electric generation after causing encapsulation
The out-of-flatness of device bottom.Then, thermoelectric generator is fixed on culture dish bottom；Mixture after deaeration is cast in culture dish
In, so that liquid level is slightly higher than thermoelectric generator cold end, guarantees being filled up completely for thermoelectric arm gap.Culture dish is placed on vacuum oven
In secondary deaeration, culture dish is placed on heated at constant temperature platform after being generated again without new bubble, heated at constant temperature 24 is small under the conditions of 40 °
When solidify, the thermoelectric generator with flexible extendable structure is made after solidification.
Thermoelectric generator provided by the invention is a kind of solid state device of static state, without rotatable parts, the small in size, service life
It is long, noiseless when work, by using PDMS as encapsulating material, using PI as the conducting wire inkjet printing of substrate, nano silver material
On to PI substrate, nanometer silver wire the thermoelectric arm of bottom is connected using extendable structure, connect top layer with flexible copper electrode
Thermoelectric arm, compared to traditional thermoelectric generator, very light in weight, unit generated output density is bigger, and because its have flexibility,
It can be applied to nonplanar place such as human skin, keep its contact area bigger, and the conducting wire of extending shape provides
Flexibility, this helps to be applied on human body wearing and space industry, is conducive to use, can be improved the service life of device.
Claims (7)
1. a kind of thermoelectric generator with flexible extendable structure, which is characterized in that including packaging cartridge, arc-shaped structure it is soft
Property substrate, the fixed upper surface for being located at flexible substrates of packaging cartridge, the flexible substrates upper surface in packaging cartridge is equipped with multiple rows of parallel cloth
The head and the tail of the thermoelectric arm group set, adjacent two rows thermoelectric arm group are connected in series by extendable conducting wire, and every heat extraction electric arm group includes
Several evenly spaced p-type thermoelectric arms are equipped with N-type thermoelectric arm, adjacent p-type thermoelectric arm and N between adjacent p-type thermoelectric arm
Type thermoelectric arm is connected in series by extendable conducting wire, and each thermoelectric arm upper surface is equipped with copper sheet；Concatenated thermoelectricity in packaging cartridge
Two p-type thermoelectric arm bottoms of arm group head and the tail are respectively equipped with conducting wire, and conducting wire is pierced by outside packaging cartridge and connect with external loading.
2. a kind of thermoelectric generator with flexible extendable structure according to claim 1, which is characterized in that described
Extendable conducting wire is the extending conducting wire of snakelike interconnection architecture.
3. a kind of thermoelectric generator with flexible extendable structure according to claim 1, which is characterized in that described
Extendable conducting wire is the conducting wire of nano silver material.
4. a kind of thermoelectric generator with flexible extendable structure according to claim 1, which is characterized in that described
Packaging cartridge is PDMS packaging cartridge.
5. a kind of thermoelectric generator with flexible extendable structure according to claim 1, which is characterized in that described
Flexible substrates are the flexible printed circuit board of PI material.
6. a kind of production method of the thermoelectric generator with flexible extendable structure, which comprises the steps of:
1) it prepares thermoelectric arm: making thermoelectric arm using screen printing mode；
2) flexible substrates are prepared: selecting the flexible printed circuit board of PI material, it is soft in PI according to thermoelectric arm using silver ink
Property printed circuit board on distribution situation, using inkjet printing, in PI flexible printed circuit board upper surface, printing connects each heat
The interconnection conducting wire of electric arm, and by thermoelectricity pastes blade coating on the flexible PI flexible printed circuit board of thermoelectric arm corresponding position；
3) thermoelectric arm is connect with flexible substrates using silver paste；
4) thermoelectric arm is coated with liquid PDMS, the thermoelectric generator with flexible extendable structure is made after solidification.
7. a kind of production method of thermoelectric generator with flexible extendable structure according to claim 6, feature
It is, the step 2, is that PI flexible printed circuit board is fixed on the screen printing screens back side, makes PI flexible printed circuit board
Electrode and halftone apertures in alignment, using metallic spatula by solder scratch on flexible printed circuit board；The ink-jet is beaten
The spacing of print, ink jet printer nozzles and PI flexible printed circuit board is 1mm, and the printing number of plies is 7 layers；After ink-jet, by PI
Flexible printed circuit board is sintered 20 minutes as in 140 DEG C of constant temperature roasters, that is, flexible substrates are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910870069.2A CN110474570A (en) | 2019-09-16 | 2019-09-16 | A kind of thermoelectric generator and preparation method thereof with flexible extendable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910870069.2A CN110474570A (en) | 2019-09-16 | 2019-09-16 | A kind of thermoelectric generator and preparation method thereof with flexible extendable structure |
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| Publication Number | Publication Date |
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| CN110474570A true CN110474570A (en) | 2019-11-19 |
Family
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20190024975A (en) * | 2016-06-30 | 2019-03-08 | 스미또모 가가꾸 가부시키가이샤 | Detection method and kit of Novosiphongobu bacteria |
| CN112531099A (en) * | 2020-11-13 | 2021-03-19 | 深圳热电新能源科技有限公司 | High-performance inorganic block flexible thermoelectric device and preparation method thereof |
| CN112751507A (en) * | 2020-12-10 | 2021-05-04 | 重庆大学 | Wearable human body thermoelectric generator based on galvanic couple framework and organic pouring and curing |
| CN113517384A (en) * | 2021-07-08 | 2021-10-19 | 西安电子科技大学 | Stretchable flexible thermoelectric device and manufacturing method thereof |
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| CN104956505A (en) * | 2013-01-24 | 2015-09-30 | 欧-弗莱克斯科技有限公司 | Thermoelectric element and method for the production thereof |
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| CN107046092A (en) * | 2017-03-04 | 2017-08-15 | 浙江大学 | Wearable thermoelectric generator with engraved structure substrate and preparation method thereof |
| CN107242648A (en) * | 2017-05-18 | 2017-10-13 | 浙江大学 | Flexible power supply watchband constituted based on multistage thermoelectricity module and preparation method thereof |
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| CN103120035A (en) * | 2011-02-10 | 2013-05-22 | 东海橡塑工业株式会社 | Flexible conductive material, method for manufacturing same, and electrode, wiring, electromagnetic wave shielding, and transducer using flexible conductive material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20190024975A (en) * | 2016-06-30 | 2019-03-08 | 스미또모 가가꾸 가부시키가이샤 | Detection method and kit of Novosiphongobu bacteria |
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| CN112531099A (en) * | 2020-11-13 | 2021-03-19 | 深圳热电新能源科技有限公司 | High-performance inorganic block flexible thermoelectric device and preparation method thereof |
| CN112751507A (en) * | 2020-12-10 | 2021-05-04 | 重庆大学 | Wearable human body thermoelectric generator based on galvanic couple framework and organic pouring and curing |
| CN113517384A (en) * | 2021-07-08 | 2021-10-19 | 西安电子科技大学 | Stretchable flexible thermoelectric device and manufacturing method thereof |
| CN113517384B (en) * | 2021-07-08 | 2022-11-08 | 西安电子科技大学 | Stretchable flexible thermoelectric device and manufacturing method thereof |
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