CN108832848A - A kind of portable miniaturization thermoelectric generator - Google Patents
A kind of portable miniaturization thermoelectric generator Download PDFInfo
- Publication number
- CN108832848A CN108832848A CN201810792983.5A CN201810792983A CN108832848A CN 108832848 A CN108832848 A CN 108832848A CN 201810792983 A CN201810792983 A CN 201810792983A CN 108832848 A CN108832848 A CN 108832848A
- Authority
- CN
- China
- Prior art keywords
- end structure
- thermoelectric generator
- cold end
- electrothermal module
- heat exchanger
- 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.)
- Pending
Links
Classifications
-
- 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
Abstract
The invention discloses a kind of portable miniaturization thermoelectric generators, including ring skeleton and heat exchanger, heat exchanger is installed on ring skeleton, heat exchanger includes hot end structure, electrothermal module and cold end structure, hot end structure is uniformly distributed circumferentially the inner ring in ring skeleton, cold end structure is uniformly distributed circumferentially in the outer ring of ring skeleton, and electrothermal module is set between hot end structure and cold end structure.Waste heat recovery efficiency is improved, the temperature difference persistently formed makes electrothermal module generate electricity, and increases electrothermal module and is laid with area, improves the compactedness of waste heat recovery section system；It is particularly suitable for Low and mid temperature heat recovery power generation occasion.
Description
Technical field
The present invention relates to thermoelectric power generation technical fields, and in particular to a kind of portable miniaturization thermoelectric generator.
Background technique
The appearance of thermoelectric generation, to be contributed using industrial exhaust heat energy regenerating etc..Laboratory research at present
It is also in basic theory development phase, existing paper is made that some instruction conclusions for thermoelectric device application.Wherein thermoelectricity mould
In block selection difference of the thermoelectric material under application environment is larger, be broadly divided into high temperature, in it is mild in low temperature environment, the present invention
Overweight the application under low temperature environment；For thermoelectric device, main body Elemental characters, which should meet maximize, is laid with electrothermal module,
In view of the back pressure and thermal stress issues of heat source, can theoretically be arranged than polygonized structure by the pure tubular structure of design optimization
More electrothermal modules of cloth, but surface is curved surface, the deltiod structure common with electrothermal module be difficult to be formed it is effective be bonded, it is practical
On just using cartridge type polygonized structure of the invention as main body；For thermal current, the presence of fin is to break laminar flow side
Interlayer improves heat exchanger effectiveness and breaks together with fin in the case that the inside that the present invention increases newly is supported on minimum increase back pressure
Laminar boundary layer improves heat exchanger effectiveness；For drum length, elongated cylindrical length can make pressure at expulsion decline larger, power generation
Amount die-offs therewith, while considering portability, limits drum length；Electrothermal module arrangement aspect, single mode block length square
Shape transverse design has good behaviour, while also picking out problem conducive to electrothermal module route, is conducive to circuit bus and arranges；In heat
There are problems that heat exchanger effectiveness between end and electrothermal module, paper studies are also in the rank for finding suitable hard material bed course at present
Section, the present invention use flexible material graphite carbon paper, contact area are more effectively improved compared with hard material, to effectively improve hot friendship
Change efficiency；Hot side fin uses foamed aluminium material, is mitigating gross mass simultaneously, improves heat conduction efficiency, while its superior acoustic
Effectiveness in vibration suppression has more extensive application prospect；Aluminum substrate structure is sheet metal-foamed aluminium-sheet metal sandwich structure,
For high rigidity heat resistant structure part, guarantee flatness, reduce thermal resistance problem, guarantee contact area big as far as possible, is conducive to electrothermal module
Obtain good thermal conductivity.
Thermoelectric generation is the technology that electric energy is converted heat energy into using the Seebeck effect of certain semiconductor materials.When
When the cold and hot end of this material has certain temperature difference, both ends will set up certain potential difference, if re-forming circuit, electricity
Electric current will be generated in road.At this point, the effect of semiconductor material is equivalent to DC power supply.In other conditions to timing, certain
In range, the temperature difference of cold and hot end is bigger, and generating efficiency is higher, and one timing of the temperature difference, in a certain range, more in low
Warm area, generating efficiency are higher.Temperature difference electricity generation device has many advantages, such as that structure is simple, the service life is long, noiseless, without motion part, by
More and more concerns, and applied in numerous areas.
In temperature difference electricity generation device, heat exchanger body is one of important composition component, determines entire thermoelectric generator
Shape and size.For aforementioned problem, the invention proposes a kind of using diesel oil gas furnace as hot end, external rings
Thermoelectric generator of the border circulation waterway as cold end.The medial support structures of the device protect fin and are conducive to carry, installation
Matrix is integrated with heat exchanger hot end heat transfer part, and overall assembly heat exchanger is whole, compact-sized, while hot end heat exchange wing
Piece alleviates total weight using foamed aluminium material, can also provide enough electric power support illuminations etc. using waste heat simultaneously in heating and make
Industry has saved the energy.
Summary of the invention
The technical problem to be solved by the present invention is in view of the foregoing defects the prior art has, provide a kind of portable small
Type thermoelectric generator improves waste heat recovery efficiency, and the temperature difference persistently formed makes electrothermal module generate electricity, and increases electrothermal module and is laid with
Area improves the compactedness of waste heat recovery section system；It is particularly suitable for Low and mid temperature heat recovery power generation occasion.
Used technical solution is the present invention to solve above-mentioned technical problem：
A kind of portable miniaturization thermoelectric generator, including ring skeleton and heat exchanger, heat exchanger are installed in annular bone
On frame, heat exchanger includes hot end structure, electrothermal module and cold end structure, and hot end structure is uniformly distributed circumferentially in ring skeleton
Inner ring, cold end structure is uniformly distributed circumferentially in the outer ring of ring skeleton, and electrothermal module is set to hot end structure and cold end knot
Between structure.
According to above-mentioned technical proposal, hot end structure includes multiple aluminum substrates, and multiple aluminum substrates are uniformly distributed circumferentially in ring
On shape skeleton, the inner surface of each aluminum substrate is equipped with heat exchange fin, and cold end module distribution is in the outer surface of aluminum substrate, thermoelectricity mould
Block is set between cold end module and aluminum substrate.
According to above-mentioned technical proposal, the material of heat exchange fin is foamed aluminium.
According to above-mentioned technical proposal, graphite carbon paper is equipped between aluminum substrate and heat exchange fin.
According to above-mentioned technical proposal, cold end structure includes multiple cooling water tanks, and multiple cooling water tanks are respectively arranged at multiple
The outer surface of aluminum substrate.
According to above-mentioned technical proposal, aluminum substrate includes the sheet metal, foamed aluminium and sheet metal set gradually.
According to above-mentioned technical proposal, intermediate supports are equipped in ring skeleton, intermediate supports include steel straight tube and multiple steel plates
Blade, multiple steel plate blades are circumferentially distributed along steel straight tube, and the inner ring of cartridge type skeleton is circumferentially divided into multiple spaces.
According to above-mentioned technical proposal, ring skeleton includes the front and rear panels being parallel to each other, and is connected between foreboard and back plate
There are multiple angle steel bodies, angle steel body is circumferentially distributed along front and rear panels.
According to above-mentioned technical proposal, the both ends of angle steel body are connect with front and rear panels respectively by bolt.
According to above-mentioned technical proposal, the outer ring of portable miniaturization thermoelectric generator is set with bail, and bail will be multiple
Circumferentially distributed cold end structure is locked to center.
The invention has the advantages that：
1. ring skeleton is surrounded an annular solid by heat exchanger, the inner ring of annular solid is used for and gas furnace connection, combustion gas
Furnace exhaust gas enters annular solid, and heat is conducted to the hot end structure of heat exchanger, improves hot gas heat exchanger effectiveness, improves waste heat
Recovery efficiency makes hot end structure and cold end structure persistently form the temperature difference, and the temperature difference persistently formed makes electrothermal module generate electricity, and improves
Thermal stress issues increase electrothermal module and are laid with area, improve the compactedness of waste heat recovery section system；It is particularly suitable for middle low temperature
Exhaust heat recovery power generation occasion.
2. reducing hot end surface heat by the way of pad plus flexible Heat Conduction Material graphite carbon paper between hot end and electrothermal module
Amount is scattered and disappeared and increase heat transfer area, improves heat exchanger effectiveness；The fin structure and medial support structures arranged inside annular solid have
Breaking laminar boundary layers are imitated, heat exchanger effectiveness is improved；Heat exchange fin uses foamed aluminium material, effectively reduces main screw lift and has
The advantages of shock resistance and reduction noise, heat exchange fin has high dissipate using through-hole foam aluminum material under forced convection conditions
The thermal efficiency；Aluminum substrate uses sheet metal-foamed aluminium-sheet metal sandwich structure, is high rigidity heat resistant structure part, guarantees flat
Face degree is conducive to electrothermal module and obtains good thermal conductivity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of portable miniaturization thermoelectric generator in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram for removing the portable miniaturization thermoelectric generator of cooling water tank in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of ring skeleton in the embodiment of the present invention；
Fig. 4 is the structure for removing the portable miniaturization thermoelectric generator of cooling water tank and electricity generation module in the embodiment of the present invention
Schematic diagram；
Fig. 5 is the A of Fig. 4 to schematic diagram；
Fig. 6 is the structural schematic diagram of intermediate supports in the embodiment of the present invention；
Fig. 7 is the B of Fig. 6 to schematic diagram；
Fig. 8 is the structural schematic diagram of angle steel body in the embodiment of the present invention；
Fig. 9 is the structural schematic diagram of heat exchange fin in the embodiment of the present invention；
Figure 10 is the structural schematic diagram of aluminum substrate in the embodiment of the present invention；
Figure 11 is the structural schematic diagram of cooling water tank in the embodiment of the present invention；
Figure 12 is the structural schematic diagram of ring flange in the embodiment of the present invention；
Figure 13 is the structural schematic diagram of bail in the embodiment of the present invention；
In figure, 1- electrothermal module, 2- foreboard, 3- intermediate supports, 4- angle steel body, 5- back plate, 6- heat exchange fin, 7- aluminium base
Plate, 8- steel straight tube, 9- steel plate blade, 10- cooling water tank, 11- ring flange, 12- bar reinforcement, the small iron plate of 13-.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
Shown in referring to Fig.1~Fig. 2, portable miniaturization thermoelectric generator in one embodiment provided by the invention, including
Ring skeleton and heat exchanger, heat exchanger are installed on ring skeleton, and heat exchanger includes hot end structure, electrothermal module and cold
End structure, the circumferentially distributed inner ring in ring skeleton of hot end structure, the circumferentially distributed outer ring in ring skeleton of cold end structure,
Electrothermal module is set between hot end structure and cold end structure；Ring skeleton is surrounded a circular cylinder by heat exchanger, annular
The inner ring of cylinder is used to enter circular cylinder with gas furnace connection, combustion gas furnace exhaust gas, heat is conducted to the hot end of heat exchanger
Structure improves hot gas heat exchanger effectiveness, and hot end structure and cold end structure is made persistently to form the temperature difference, and the temperature difference persistently formed makes heat
Electric module power generation.
Further, hot end structure includes multiple aluminum substrates, and multiple aluminum substrates are uniformly distributed circumferentially on ring skeleton,
The inner surface of each aluminum substrate is equipped with heat exchange fin, and cold end module distribution is set in the outer surface of aluminum substrate, electrothermal module
Between cold end module and aluminum substrate；Aluminum substrate by ring skeleton surround inside and outside one completely cut off cylinder (the isolation cylinder is main
Refer to isolation internal-external temperature difference), while improving internal-external temperature difference, and the rigidity of structure is improved, has the function of noise reduction antidetonation.
Further, the material of heat exchange fin is foamed aluminium.
Further, graphite carbon paper is equipped between aluminum substrate and heat exchange fin；Graphite carbon paper is layed in the following table of aluminum substrate
Hot end thermal loss is reduced by flexible Heat Conduction Material in face, and provides certain antidetonation performance muffler.
Further, cold end structure includes multiple cooling water tanks, and multiple cooling water tanks are respectively arranged at multiple aluminum substrates
Outer surface；Cooling water tank is arranged in a one-to-one correspondence with aluminum substrate.
Further, aluminum substrate includes the sheet metal, foamed aluminium and sheet metal set gradually；Form sandwich knot
Structure, with the heat-resisting performance with noise reduction antidetonation of high rigidity.
Further, intermediate supports are equipped in ring skeleton, intermediate supports include steel straight tube and multiple steel plate blades, multiple
Steel plate blade is circumferentially distributed along steel straight tube, and the inner ring of cartridge type skeleton is circumferentially divided into multiple spaces.
Further, ring skeleton includes the front and rear panels being parallel to each other, and multiple angles are connected between foreboard and back plate
Steel body, angle steel body are circumferentially distributed along front and rear panels.
Further, the steel plate blade number of intermediate supports is consistent with the number of angle steel body, the outer end and angle of steel plate blade
Steel body connects, and is equipped with heat exchange fin in the space that multiple steel plate blades are divided.
Further, the both ends of angle steel body are connect with front and rear panels respectively by bolt.
Further, front and rear panels are ring flange, circumferentially distributed on ring flange to have multiple bolts hole, pass through bolt
Hole connection front and back equipment, carries out air guide.
Further, ring flange is circular ring shape, and the ring skeleton is cylindrical skeleton, portable miniaturization thermoelectric generator
Form Polygonal barrel structure.
Further, angle steel body includes the angle steel of two public security frontier bureaus setting.
Further, the outer ring of portable miniaturization thermoelectric generator is set with bail, and bail will be multiple circumferentially distributed
Cold end structure to center lock, bail is as shown in figure 13, in Fig. 1 without display bail.
Further, bail include two small iron plate 13 and bar reinforcement 12, bar reinforcement 12 be it is arc-shaped, bar reinforcement 12
Both ends are connect with two small iron plate 13 respectively, and two small iron plate 13 is arranged in parallel, pass through bolt between two small iron plate 13
Connection.
Further, the number of the cold end structure and hot end structure is 12, forms cartridge type dodecagon
Structure.
Further, the lower end surface of cooling water tank is fixed by dry glue band with electrothermal module, the upper surface paving of cooling water tank
Equipped with aluminium backing, aluminium backing is fixed by dry glue band with cooling water tank, and the lower end surface of cooling water tank is milling flat, cooling water tank
Upper surface is non-milling flat.
The working principle of the invention：
A kind of portable miniaturization thermoelectric generator provided by the invention, including skeleton, heat exchanger and auxiliary device.
The skeleton is mainly used for constituting installation base body, while separating hot gas path and installation region, convenient for assembling,
Be conducive to improve hot gas heat exchanger effectiveness.
The heat exchanger, including hot end structure, electrothermal module and cold end structure；Its hot end structure and mounting framework are i.e. logical
Drilling is crossed, is connected as one by sunk screw as installation base body, convenient for the carrying and placement of electrothermal module.In hot end aluminium base
Plate surface pads one layer of graphite carbon paper, and it is solid in advance that the same direction of electrothermal module terminals and cooling water tank milled surface dry glue band
It is fixed, surface three pieces of discarded aluminium backings of placement were not milled and were equally fixed in advance with dry glue band, then cooling water tank is had into electrothermal module
One, facing towards graphitic carbon paper, pre-fixes cold end by clamp both ends cooling water tank pipeline and fin；Pre-fix 12
After group cooling water tank, aluminium backing pull-up is discarded tightly prior to water tank surface in advance with bail, sequentially places ball, and pass through bail
Upper bolt clamps, and completes three bails and is fixedly clamped, i.e., off-loadable to pre-fix fixture, completes heat exchanger assembly.
The heat exchanger installation base body is mainly used for providing electrothermal module carrying and cold end device assembly space, hot end
Integrating for structure, maximizes the heat exchange coefficient that ensure that thermal current, smooth aluminum substrate is easily installed electrothermal module, and protects
Demonstrate,prove its surface uniform heat distribution.
The hot end structure, fin and aluminum substrate, fin has wing part main and thermal current directly contacts, fin shape
Be conducive to bigger contact surface thermal-arrest, aptery part is smooth, is conducive to engage heat transfer with aluminum substrate, heat exchange fin in the present invention
Using foamed aluminium material, compared to all aluminum material, in the case where guaranteeing constant with thermal current contact area, inner hollow is strengthened
Heat-transfer effect, meanwhile, the presence of air chamber reduces noise, and same volume foamed aluminium material quality is lighter, so that thermoelectric power generation
The weight of machine entirety declines, and is conducive to field transport operation.Its aluminum substrate mainly provides bigger flat surface and is easily installed and
Even heat transfer, at the same it is padded at a distance from heat source, it interfere silica gel water pipe will not by angle steel, and protect silica gel water pipe will not be by heat source
Excessive temperature burning melts leak.
The graphite carbon paper, pad put the contact gap for reducing electrothermal module and hot end, improve hot end heat transfer efficiency.
The cold end structure comprising cooling water tank connects the silicone tube of cooling water tank nozzle and is used for silica gel pipe clamp
Tight bail.Its cooling water tank shape is to be divided into milling flat and non-milling flat, milling flat is cold with electrothermal module shown in Fig. 9
End is pre-fixed by dry glue band, is not milled surface cushion and is added discarded aluminium backing, is pre-fixed by dry glue band.Cold end structure, which mainly passes through, to be followed
The effect in ring water route, convection circulation water, radiates, and guarantees that electrothermal module cold end maintains a stable cryogenic temperature.
The auxiliary device, including graphite carbon paper, discarded aluminium backing, ball, bail.Its graphite carbon paper reduce hot end and
Heat transfer efficiency is improved in electrothermal module gap.Its discarded aluminium backing protects cooling water tank outer surface not damaged and leaked by excess pressure
Water.Its ball improves bail clamping effect.Its bail guarantees that heat exchanger hot end, electrothermal module and cold end are bonded to enough
Pressing force simultaneously carries out fixing assembling.Its bail guarantees the leakproofness of silica gel water pipe and cooling water tank interface, prevents leak.
The present invention is to provide a kind of portable miniaturization thermoelectric generator main bodys, including skeleton, heat exchanger and auxiliary dress
It sets.Its mounting framework be by intermediate supports, angle steel body, front and rear panels welding fabrication steel skeleton construction, among it support be
By the uniformly distributed steel plate blade welding fabrication of steel straight tube and annular, the heat exchange fin and aluminum substrate structure that hot end is circular layout by 12 groups
At electrothermal module is mounted on aluminum substrate according to shown in Fig. 2, and cooling water tank is that aluminum processes finished product, is divided into milling surface and is not milled
Surface.Auxiliary device includes that graphite carbon paper between heat exchanger hot end aluminum substrate and electrothermal module, cooling water tank surface prevent
The discarded aluminium backing added, ball, the bail being connected and fixed between cooling water tank and silicone tube and hot spot generator side are padded in damage
The fixed bail of entire surface.
Below with reference to examples and drawings, the invention will be further described, but does not limit the present invention.
The portable miniaturization thermoelectric generator main body of one kind provided by the invention is handed over shaped like Fig. 1, including skeleton such as Fig. 3, heat outside
Parallel operation, auxiliary device.Skeleton is as shown in figure 3, include intermediate supports 3, angle steel body 4, foreboard 2 and back plate 5, in-between support 3 is such as
Shown in Fig. 6 and Fig. 7, including 12 parts of uniformly distributed steel plate blades 9 of steel straight tube 8 and periphery, 4 structure of angle steel body is as shown in figure 8, foreboard
2 and back plate 5 be for ring flange it is as shown in figure 12, skeleton by it is described comprising structure welding form.Heat exchanger includes hot end knot
Structure, electrothermal module 1, cold end structure, hot end structure include the heat exchange wing uniformly distributed along heat exchanger mounting framework side annular
Piece 6 passes through holes drilled through with the aluminum substrate 7 being equally circular layout on heat exchange fin 6, the hot end structure and mounting framework is overlapped on,
Installation base body shown in Fig. 4 and Fig. 5 is installed and fixed into as sunk screw, electrothermal module 1 is as shown in Fig. 2, experiment survey by analysis
The optimum arrangement mode obtained after warm data, electrothermal module 1 pin towards be it is ipsilateral in the same direction, hot end surface is towards hot end cloth
It sets, cold end structure includes cooling water tank and silicone tube, and cooling water tank is that aluminum processes finished product, and one side passes through Milling Machining, just
It is bonded in electrothermal module cold end surface with water tank, silicone tube cutting appropriate length, which is disclosed, taps into effluent pipe mouth, and passes through auxiliary device
In bail clamp.Auxiliary device includes the graphite carbon paper between 1 hot end surface of the aluminum substrate 7 and electrothermal module, described
Cooling water tank do not mill the fixed ball of the discarded aluminium backing on surface, auxiliary clamp, is fixedly clamped to thermoelectric power generation machine side surface
Bail, to the bail being connected and fixed between cooling water tank and silicone tube.
The thermoelectric generator main body is as shown in Figure 1, shape is designed as cross section is positive the cylinders of 12 side shapes.Cylinder appearance
Face is that 12 pieces of thermally conductive good cross sections are trapezoidal substrate 7, is tightly attached on front heat exchange fin 6 using heat conductive silica gel,
Respective installation region is separated by angle steel body 4, fixed angles steel body 4, heat exchange fin are sequentially connected by sunk screw by holes drilled through
6, aluminum substrate 7 seal the side surface of entire heat exchanger skeleton such as Fig. 4, and smooth aluminum substrate outer surface is for installing
Arrange electrothermal module.
The thermoelectric generator interior design is such as Fig. 3, Fig. 6 and medial support structures shown in Fig. 7,8 outside of steel straight tube
Surface annular is evenly distributed with 12 steel plate blades 9 and plays the work of water conservancy diversion thermal-arrest while avoiding stress from concentrating as load-carrying construction
With.Steel plate blade 9 and angle steel body 4 form a part of mounting framework by welding load.
The lower installation of outside aluminum substrate 7 is special-shaped front heat exchange fin 6, and totally 12, front is to have wing part inwardly, just
It exchanges heat in gas collection, it is smooth that back is aptery, convenient for fitting closely heat transfer with aluminium sheet.It is smooth on the outside of these heat exchange fins, it is conducive to base
Plate transmits heat, and gathered many fins for inside, comes into full contact with convenient for the high temperature hot gas stream of internal heat exchanger, using foamed aluminium
Material, material internal possess air chamber, increase inner surface, augmentation of heat transfer effect, while the presence of air chamber can reduce
Noise, the foamed aluminium material of same volume are considerably reduced in weight, are conducive to the light-weight design of single unit system than all aluminum material.
The heat exchanger skeleton be the angle steel 6 for being bent to 105 ° by 2 dock total 12 groups of angle steel bodies 4, it is described in
Between support 3 and two ring flanges 10 for being referred to as front and rear panels constitute.The uniformly distributed angle steel body 4 of annular, adjacent steel plate blade piece 9
With 12 groups of sector crosssection airflow pipelines of hot end structure composition relative closure, installation anchor point and load-carrying construction are being provided simultaneously,
Its geometry plays sealing guide functions.Simultaneously in axial direction, so that angle steel body 4 is slightly longer than intermediate supports 3, advantageously reduce gas
Flow the resistance in entrance.
The thermoelectric generator main body, is fixedly clamped in side surface by bail, to prevent cooling water tank in clamping process
In be damaged, adding discarded aluminium flake to mill surface cushion, while in order to improve clamping effect, joined ball in waste aluminium on piece；Institute
The ball stated is the smooth small circular steel column of diameter 4mm length 30mm or so.
Above-mentioned a kind of portable miniaturization thermoelectric generator provided by the invention has following master compared with prior art
The technical solution for the innovation wanted：
1) 3 axial distance of intermediate supports is less than 4 axial distance of angle steel body, compares design in the past without spacing, is conducive to prevent
Only thermal current flows back；
2) 3 steel plate blade of intermediate supports, 9 load has subregion diversion function simultaneously, improves thermal current hot gas and concentrates shape
Formula improves thermal current utilization rate；
3) the cylinder configuration design of positive 12 side shape, can make main body side surface obtain uniform and stable hot-side temperature, this is right
It is of great significance in the power generation of electrothermal module stability and high efficiency；
4) more previous full aluminium heat exchange fin 6, the present invention select foamed aluminium material, and augmentation of heat transfer effect reduces work
Noise, but also the weight of device entirety reduces, so that generator can integrally minimize, it is portable；
5) compared to large-scale thermoelectricity interchanger, the present invention proposes a kind of civil small-scale thermoelectric conversion device, installation base body collection
At heat exchanger hot end structure, external electrothermal module and cold end structure can be dismounted by the handling of bail, have one
Fixed plug-in package function.
The above-mentioned portable miniaturization thermoelectric generator main body of one kind provided by the invention, the course of work are：In gas furnace
The thermal current of generation reaches intermediate supports 3 by heat transfer pipe, by hot gas water conservancy diversion to heat exchange fin 6 under its guide functions,
Heat concentration is exchanged to heat exchange fin 6 itself by collection heat effect by heat exchange fin 6, then transfers heat to aluminium base by 6 back of fin
Plate 7, hot-side temperature are uniformly distributed on 7 surface of aluminium sheet, transfer heat to electrothermal module hot end by graphite carbon paper, hot end has been conducted heat
At.Cold end mainly passes through circulation waterway, mainly there is water pump, cyclic water tank, silica gel water pipe, cooling water tank, and the present invention only requires
Cooling water tank and silica gel water pipe, by adjusting 9 flow velocity of water pump flow control cooling water tank to control cold junction temperature, to obtain
Controllable metastable cold junction temperature.The temperature of stable and uniform is established in electrothermal module hot end and cold end by the above process
It is poor to spend, then exports potential difference as power supply by the wiring of electrothermal module pin, it can the voltage for generating electrothermal module is collected
Utilize power supply.
In conclusion improving the thermal stress issues of previous on-board thermoelectric generator structure, it is laid with increasing electrothermal module
Balance is made on quantity and the binding face for keeping single module big as far as possible, by ring structure, system compactness is improved on the whole, supports
The thermal expansion problem for all directions that disappeared increases auxiliary outer hoop, auxiliary clamp outside cartridge type dodecagon.Fin and internal support
The effective breaking laminar boundary layers of structure, heat source back pressure burden are small；For thermal current, it is necessary to consider breaking laminar boundary layers to improve
Heat exchanger effectiveness, while being also considered as installing the back pressure influence that choke flow structure generates additional in air duct, to back in structure of the invention
Press the increase of burden smaller, laminar boundary layer breaks efficiency and is significantly improved.Heat exchange fin uses foamed aluminium material, strengthens and passes
Heat, reduces noise, and device overall weight reduces；Full aluminium heat exchange fin is used compared to previous thermoelectric generator, using bubble
The heat exchange fin of foam aluminum material, interior surface area increase enhance heat-transfer effect, the making an uproar when presence of air chamber reduces operation
Sound, while same volume foamed aluminium quality is lower, so that the quality of thermoelectric generator overall structure substantially reduces.Aluminum substrate is using gold
Metal thin plate-foamed aluminium-sheet metal sandwich structure；The structure is high rigidity heat resistant structure part, guarantees flatness, gives thermoelectricity mould
Block contact area big as far as possible is conducive to electrothermal module and obtains good thermal conductivity.It is additional between electrothermal module hot end and aluminum substrate
Flexible material graphite carbon paper；Flexible material prevents heat from transmitting than previous copper sheet material etc., more efficient raising thermocontact area
Heat loss in journey.Material is more cheap simultaneously, is conducive to mass production.By reasonable technologic improvement, it is more advantageous to
Docking adapts to different operating environment；Cartridge type regular polygon has also been reserved more than enough processing while improving structural compactness
Amount can carry out installation fixation with other components in external mechanical technology structure such as flange etc..
Above is only presently preferred embodiments of the present invention, and of course, the scope of rights of the present invention cannot be limited by this,
Therefore according to equivalence changes made by scope of the present invention patent, still belong to protection scope of the present invention.
Claims (10)
1. a kind of portable miniaturization thermoelectric generator, which is characterized in that including ring skeleton and heat exchanger, heat exchanger is installed
In on ring skeleton, heat exchanger includes hot end structure, electrothermal module and cold end structure, hot end structure be uniformly distributed circumferentially in
The inner ring of ring skeleton, cold end structure are uniformly distributed circumferentially in the outer ring of ring skeleton, and electrothermal module is set to hot end structure
Between cold end structure.
2. portable miniaturization thermoelectric generator according to claim 1, which is characterized in that hot end structure includes multiple aluminium bases
Plate, multiple aluminum substrates are uniformly distributed circumferentially on ring skeleton, and the inner surface of each aluminum substrate is equipped with heat exchange fin, cold end
In the outer surface of aluminum substrate, electrothermal module is set between cold end module and aluminum substrate module distribution.
3. portable miniaturization thermoelectric generator according to claim 2, which is characterized in that the material of heat exchange fin is foam
Aluminium.
4. portable miniaturization thermoelectric generator according to claim 2, which is characterized in that between aluminum substrate and heat exchange fin
Equipped with graphite carbon paper.
5. portable miniaturization thermoelectric generator according to claim 1 or 2, which is characterized in that cold end structure includes multiple
Cooling water tank, multiple cooling water tanks are respectively arranged at the outer surface of multiple aluminum substrates.
6. portable miniaturization thermoelectric generator according to claim 2, which is characterized in that aluminum substrate includes setting gradually
Sheet metal, foamed aluminium and sheet metal.
7. portable miniaturization thermoelectric generator according to claim 1, which is characterized in that be equipped with intermediate branch in ring skeleton
Support, intermediate supports include steel straight tube and multiple steel plate blades, and multiple steel plate blades are circumferentially distributed along steel straight tube, by cartridge type skeleton
Inner ring is circumferentially divided into multiple spaces.
8. portable miniaturization thermoelectric generator according to claim 1, which is characterized in that ring skeleton includes being parallel to each other
Front and rear panels, multiple angle steel bodies are connected between foreboard and back plate, angle steel body is circumferentially distributed along front and rear panels.
9. portable miniaturization thermoelectric generator according to claim 8, which is characterized in that the both ends of angle steel body pass through bolt
It is connect respectively with front and rear panels.
10. portable miniaturization thermoelectric generator according to claim 1, which is characterized in that portable miniaturization thermo-electric generation
The outer ring of machine is set with bail, and bail locks multiple circumferentially distributed cold end structures to center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792983.5A CN108832848A (en) | 2018-07-18 | 2018-07-18 | A kind of portable miniaturization thermoelectric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792983.5A CN108832848A (en) | 2018-07-18 | 2018-07-18 | A kind of portable miniaturization thermoelectric generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108832848A true CN108832848A (en) | 2018-11-16 |
Family
ID=64140059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810792983.5A Pending CN108832848A (en) | 2018-07-18 | 2018-07-18 | A kind of portable miniaturization thermoelectric generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108832848A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109660150A (en) * | 2019-02-15 | 2019-04-19 | 武汉理工大学 | Projector heat-energy utilizing device |
| CN109713941A (en) * | 2019-02-15 | 2019-05-03 | 武汉理工大学 | A kind of temperature difference electricity generation device of self-supplied heat source fan power |
| CN110417301A (en) * | 2019-08-29 | 2019-11-05 | 河北工业大学 | A kind of LNG cold energy thermo-electric generation system based on seawater vaporizer |
| CN111389179A (en) * | 2020-03-31 | 2020-07-10 | 李进华 | A exhaust treatment system for industrial production |
| CN111835231A (en) * | 2020-06-20 | 2020-10-27 | 青岛鼎信通讯股份有限公司 | Flexible temperature difference energy-obtaining module applied to intelligent water meter |
| CN111934455A (en) * | 2020-09-19 | 2020-11-13 | 浙江西菱股份有限公司 | Three-phase permanent magnet synchronous variable frequency motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101022149A (en) * | 2007-03-02 | 2007-08-22 | 中国科学院上海硅酸盐研究所 | Alloy electrod matched with cobalt antimonide thermoelectric component and one-step process connecting technology |
| US20140150413A1 (en) * | 2012-11-30 | 2014-06-05 | Monika Backhaus-Ricoult | Trough filter with integrated thermoelectric generator, vehicle including trough filter, and method of treating exhaust gas |
| CN104895655A (en) * | 2015-05-14 | 2015-09-09 | 中国第一汽车股份有限公司 | Efficient automobile exhaust thermoelectricity recovery device |
| CN105679301A (en) * | 2016-03-30 | 2016-06-15 | 武汉理工大学 | Detachable sectional type thermoelectric power generation heat exchanger and muffler combined device |
| CN105790638A (en) * | 2016-03-23 | 2016-07-20 | 武汉喜玛拉雅光电科技股份有限公司 | Multi-stage efficient coupling high temperature sensible heat-latent heat phase change energy storage thermoelectric power generation device |
-
2018
- 2018-07-18 CN CN201810792983.5A patent/CN108832848A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101022149A (en) * | 2007-03-02 | 2007-08-22 | 中国科学院上海硅酸盐研究所 | Alloy electrod matched with cobalt antimonide thermoelectric component and one-step process connecting technology |
| US20140150413A1 (en) * | 2012-11-30 | 2014-06-05 | Monika Backhaus-Ricoult | Trough filter with integrated thermoelectric generator, vehicle including trough filter, and method of treating exhaust gas |
| CN104895655A (en) * | 2015-05-14 | 2015-09-09 | 中国第一汽车股份有限公司 | Efficient automobile exhaust thermoelectricity recovery device |
| CN105790638A (en) * | 2016-03-23 | 2016-07-20 | 武汉喜玛拉雅光电科技股份有限公司 | Multi-stage efficient coupling high temperature sensible heat-latent heat phase change energy storage thermoelectric power generation device |
| CN105679301A (en) * | 2016-03-30 | 2016-06-15 | 武汉理工大学 | Detachable sectional type thermoelectric power generation heat exchanger and muffler combined device |
Non-Patent Citations (1)
| Title |
|---|
| 冉渊 等: "汽车尾气温差发电装置与整车系统集成策略研究", 《数字制造科学》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109660150A (en) * | 2019-02-15 | 2019-04-19 | 武汉理工大学 | Projector heat-energy utilizing device |
| CN109713941A (en) * | 2019-02-15 | 2019-05-03 | 武汉理工大学 | A kind of temperature difference electricity generation device of self-supplied heat source fan power |
| CN109713941B (en) * | 2019-02-15 | 2020-11-24 | 武汉理工大学 | Thermoelectric power generation device capable of automatically supplying electric power to heat source fan |
| CN110417301A (en) * | 2019-08-29 | 2019-11-05 | 河北工业大学 | A kind of LNG cold energy thermo-electric generation system based on seawater vaporizer |
| CN111389179A (en) * | 2020-03-31 | 2020-07-10 | 李进华 | A exhaust treatment system for industrial production |
| CN111835231A (en) * | 2020-06-20 | 2020-10-27 | 青岛鼎信通讯股份有限公司 | Flexible temperature difference energy-obtaining module applied to intelligent water meter |
| CN111934455A (en) * | 2020-09-19 | 2020-11-13 | 浙江西菱股份有限公司 | Three-phase permanent magnet synchronous variable frequency motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108832848A (en) | A kind of portable miniaturization thermoelectric generator | |
| AU2014101550A6 (en) | Solar integrated photoelectric photo-thermal component and solar cogeneration system thereof | |
| CN104895655B (en) | Efficient automobile tail gas thermoelectricity retracting device | |
| CN207135012U (en) | A kind of vehicle exhaust semiconductor power generation device for coupling phase-changing energy-storing | |
| CN102709374A (en) | Efficient and natural cyclic back radiator for photovoltaic battery panel | |
| CN101562415B (en) | Generator | |
| CN201781450U (en) | Combined type thermoelectric generator | |
| CN107171598B (en) | A kind of polar region thermo-electric generation system | |
| CN204103859U (en) | The finned wind circulating device of photovoltaic and photothermal | |
| CN110425869B (en) | Heat recovery system annularly coated on wall surface of rotary kiln and selection method | |
| CN101498556A (en) | Power generation apparatus used for reclaiming residual heat of pottery kiln passage | |
| CN109713941A (en) | A kind of temperature difference electricity generation device of self-supplied heat source fan power | |
| RU2564819C2 (en) | Solar panel to generate electric and heat flows | |
| CN206258004U (en) | A kind of portable heat pipe heat exchanger | |
| KR101637674B1 (en) | Thermoelectric Generation Device for vehicle | |
| CN213627739U (en) | Dry-type explosion-proof diesel engine tail gas cooling device | |
| CN1982706A (en) | Generator with temperature-differential waste-heat recovery | |
| CN106972783A (en) | High-power IGBT device electric energy reclaims heat abstractor | |
| CN207732664U (en) | A kind of miniaturization power generator for hydrothermal solution collection of energy | |
| JP2014195378A (en) | Thermoelectric generator and marine vessel with the same | |
| CN102769414A (en) | Round thermoelectric generator of automobile exhaust semiconductor | |
| CN205580250U (en) | Cooling coil pipe | |
| CN114845533B (en) | Unmanned aerial vehicle carries electronic equipment heat dissipation wind channel device and unmanned aerial vehicle | |
| CN216447007U (en) | Diesel generating set heat sink that can high-efficient heat dissipation cooling | |
| CN103997257B (en) | A kind of Double helix tubular type used heat call back means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181116 |