CN201332373Y - Portable miniature temperature difference electric generator - Google Patents
Portable miniature temperature difference electric generator Download PDFInfo
- Publication number
- CN201332373Y CN201332373Y CNU2009201261431U CN200920126143U CN201332373Y CN 201332373 Y CN201332373 Y CN 201332373Y CN U2009201261431 U CNU2009201261431 U CN U2009201261431U CN 200920126143 U CN200920126143 U CN 200920126143U CN 201332373 Y CN201332373 Y CN 201332373Y
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- temperature
- temperature difference
- fuel
- catalytic combustion
- power generation
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Abstract
The utility model provides a portable miniature temperature difference electric generator comprising a fuel storage bank and at least a set of temperature difference electric generating module; each set of temperature difference electric generating module is composed of two blocks of folded temperature difference electric generating modules; catalytic combustion heat source channels are provided on the neighboring side walls of two blocks of folded temperature difference electric generating module; fuel preheating channels are respectively provided on the opposite sides of the two blocks of folded temperature difference electric generating module; namely, the catalytic combustion heat source channels are positioned on the hot end of the temperature difference electric generating module, the fuel preheating channels are positioned on the cool end of the temperature difference electric generating module; the catalytic combustion channels are snake-shaped channels, the air inlets of which are communicated with the fuel preheating channels, the air outlets of which are waste material discharge outlets; the fuel preheat channel and the fuel storage banks are connected. The utility model adopts the catalytic combustion to supply heat for the temperature difference electric generating module, can implement the smokeless combustion under lower temperature, the safety is high; the temperature difference electric generating device has characteristics of simple structure, light weight, high specific energy and long working time. The utility model is especially convenient for the one-man power supply and the field power supply.
Description
Technical field
The utility model belongs to the micro generation technical field, is specifically related to be suitable for the portable minisize thermoelectric generator based on catalytic combustion of the power supply of military individual soldier's power supply, field and compact power power supply.
Background technology
In the prior art, portable power device has: the power supply of individual soldier's power supply, notebook computer etc., and these power supplys mostly are charging accumulator, as: lithium battery; Yet a shortcoming of charging accumulator is that specific energy is not high, and the time of sustainable use be restricted, generally can only use several hrs continuously, therefore, brought inconvenience for people's production and life.In order to address this problem, people begin the development of new power supply, comprising the micro-proton exchange-film fuel cell, this kind fuel cell can continuously be converted to electric energy to the Hydrogen Energy of input, because fuel cell power generating system needs hydrogen source, just need to adopt reformer hydrogen manufacturing to provide hydrogen source for it, from the hydrogen-rich gas that reformer comes out, contain a spot of carbon monoxide more, and carbon monoxide is the anode poisonous substance of fuel cell, for example fuel cell performance and efficient are descended greatly even contain trace greater than the carbon monoxide of 50ppm, and shortened in its life-span greatly, therefore need handle the product gas of reformer outlet, to remove carbon monoxide wherein, this needs steam exchange system and co selective oxidation system, so, and fuel reforming, the power-supply system that fuel treatment and fuel cell are formed is too complicated, though the efficient of fuel cell is higher, overall system efficiency is only about 2%.Therefore adopt thermo-electric generation then comparativity to be arranged, and thermo-electric generation system is comparatively simple with it.As long as there is just output power continuously of the temperature difference at the electricity generation module two ends; But a subject matter that will solve in the temperature difference electricity generation device is how to be the heat supply of thermoelectric generator hot junction.Common way is to utilize boiler and fume afterheat heat supply, perhaps utilize solar energy the heat heat supply, utilize the fuel combustion heat supply, utilize the waste incineration heat supply, but the shortcoming that adopts above type thermal source be unfavorable for portable, especially be unfavorable for individual soldier source and open-air electricity consumption, combustibles such as this outer fuel and rubbish burnings produces is higher than 1000 ℃ high temperature and more is unfavorable for carrying and using safely.
The utility model content
At the prior art above shortcomings, the purpose of this utility model provide a kind of simple in structure, be easy to carry, specific energy is high, and health environment-friendly, can be used for military individual soldier's power supply and the portable minisize thermoelectric generator that can be used for civilian individual power supply.
The purpose of this utility model is achieved in that a kind of portable minisize thermoelectric generator, comprises fuel storage jar and at least one group of temperature-difference power generation module; Every group of temperature-difference power generation module is made of two superimposed temperature-difference power generation modules; Described two temperature-difference power generation module adjacent walls are provided with the catalytic combustion heat source channels, and described two temperature-difference power generation module opposite sides are respectively equipped with the preheating of fuel passage, and promptly the catalytic combustion heat source channels is positioned at the hot junction of temperature-difference power generation module; Described preheating of fuel passage is positioned at the cold junction of temperature-difference power generation module; Described catalytic combustion passage is a serpentine channel, and its air inlet is connected with the preheating of fuel passage, and its outlet is the waste discharge mouth; The preheating of fuel passage links to each other with the fuel storage jar.Described catalytic combustion passage is filled with the beaded catalyst that is used for the different fuel catalytic combustion.
Compared to existing technology, the utlity model has following beneficial effect:
(I) the utility model employing catalytic combustion is the temperature-difference power generation module heat supply, catalytic combustion can be realized smokeless combustion at a lower temperature, at present be used for providing fuel gasification and the needed thermal source of endothermic reforming reaction for the fuel reforming hydrogen generating system in the fuel cell system more, the utility model is then used it for the required thermal source in temperature-difference power generation module hot junction, the fuel of this catalytic combustion is from liquid or gaseous carbon hydrogen fuel, it is easy to carry, the specific energy height of Blast Furnace Top Gas Recovery Turbine Unit (TRT), main quality is the fuel mass that carries, and can adjust the fuel quantity that carries as required.
(II) the utility model by in pin wing surface channel, adopt fuel and oxygen to the temperature-difference power generation module cold junction cool off, in the catalytic combustion passage catalyst of snakelike layout to the control of catalytic combustion, can keep the bigger temperature difference of temperature-difference power generation module hot junction and cold junction, the temperature difference is big more, and the maximum power of temperature-difference power generation module is then big more; The catalytic combustion temperature is lower in addition, and the thermal insulation of this temperature difference electricity generation device accordingly easily, increased portability, the fail safe of this device.
(III) the utility model is used for individual soldier's power supply and open-air electricity consumption is especially convenient, only needs as required that the enough fuel of band gets final product, and can not produce toxic and harmful in the use; It couples together fuel gas cylinder and temperature-difference power generation module can use, and other affiliated facility just can not used safely, and is simple in structure; And the weight of whole device concentrates on the fuel, and therefore, the specific energy height can be worked the long period.
Description of drawings
Fig. 1 is the utility model portable minisize thermoelectric generator structural representation;
Fig. 2 is microchannel cooling and preheating of fuel schematic diagram for the utility model portable minisize thermoelectric generator cold junction;
Fig. 3 is a microchannel catalytic combustion schematic diagram for the utility model portable minisize thermoelectric generator hot junction.
Among the figure, 1 is the temperature-difference power generation module group, 2 is the fuel storage jar, and 3 is oxygen storage tank, and 4 is temperature-difference power generation module, 5 is cooling duct (preheating of fuel passage), 6 is cooling duct (oxygen preheat passage), and 7 for the thermal source passage is the catalytic combustion passage, and 8 is pressure-reducing valve, 9 is flow control valve, 10 are temperature survey and monitoring device, and 11 are power output, and 12 is gas and steam passing away behind the catalytic combustion, 13 is pad, 14 is the pin wing surface of cooling duct, and 15 is catalytic combustion channel fuel and oxygen mixture import, and 16 are burning afterproduct outlet, 17 are burning gallery import and export stainless steel cloth, and 18 is beaded catalyst.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As Fig. 1, Fig. 2 and shown in Figure 3, the utility model portable minisize thermoelectric generator comprises temperature-difference power generation module group 1, fuel storage jar 2 and oxygen storage tank 3; Every group of temperature-difference power generation module is made of two superimposed temperature-difference power generation modules 4; Described two temperature-difference power generation module 4 adjacent walls are provided with catalytic combustion heat source channels 7, and described two temperature-difference power generation module 4 opposing sidewalls are respectively equipped with preheating of fuel passage 5 and oxygen preheat passage 6; Described catalytic combustion heat source channels 7 is a serpentine channel, and its air inlet 15 is connected with preheating of fuel passage 5 and oxygen preheat passage 6, and its outlet is waste discharge mouth 16; Preheating of fuel passage 5 links to each other with oxygen storage tank 3 with fuel storage jar 2 respectively with oxygen preheat passage 6.Wherein, the employed catalyst of the utility model portable minisize thermoelectric generator is the catalytic combustion beaded catalyst, in burning gallery, carry out catalytic combustion and staggered heat exchange the serpentine channel of fuel from import to outlet, the temperature that can control burner channel like this is comparatively even to outlet from import, weakens catalytic combustion import department focus; And stainless pin wing surface is adopted in the cooling duct, and the abundant refrigerating module cold end surface of room temperature fuel so that increase is come in from the fuel storage jar makes fuel obtain preheating simultaneously, can guarantee the quick ignition of catalytic combustion, thereby guarantees the quick startup of electricity generation module.The catalytic combustion passage then passes through serpentine channel, make import department begin catalytic combustion and gas that higher gas of temperature and exit heat have made full use of carries out heat exchange, make the temperature of catalytic combustion passage reach even as much as possible, the temperature-difference power generation module two ends temperature difference keeps maximum like this, and the temperature difference is big more, and the maximum power of temperature-difference power generation module is then big more.Be provided with the particulate catalytic coating in the catalytic combustion passage 7.And the main weight of device concentrates on the fuel, and therefore, the specific energy height can the long period continuous operation.The catalytic combustion temperature is lower in addition, and this temperature difference electricity generation device is easily adiabatic accordingly, has increased portability, the fail safe of this device.
The utility model has the advantages that adopting the hydrocarbon fuel catalytic combustion is the temperature-difference power generation module heat supply, this can realize the portability and the modularization of supply unit, and fuel cell system is simplified greatly relatively, and this also is the innovation part of this patent.This temperature difference electricity generation device has also saved the needed cooling fan of temperature-difference power generation module cold junction, by fuel in the fuel storage jar and oxygen the electricity generation module cold junction is cooled off, both can keep the lower temperature of cold junction, also can carry out preheating to fuel and oxygen simultaneously, make full use of energy.Simultaneously, in order to improve heat exchange efficiency, described preheating of fuel passage 5 and oxygen preheat passage 6 (being the cooling duct) inner surface is stainless pin wing surface, and this also is one of innovation of this patent.
In addition, the peak power output of this utility model can also expand by the stack of temperature-difference power generation module, is about to temperature-difference power generation module 4 and is formed by two groups or more serial or parallel connection, helps modularization production.
With reference to accompanying drawing, if the fuel that is adopted is hydrogen, the oxidant that is adopted is an oxygen, the middle temperature temperature-difference power generation module that the temperature-difference power generation module 4 that is adopted constitutes for the lead telluride material, this module is used in 400～700 ℃, and is consistent with hydrocarbon fuel catalytic combustion temperature range.Fuel that comes out from fuel under high pressure and oxygen storage tank and oxygen through pressure-reducing valve 8 decompressions after, be adjusted to preheating of fuel passage 5 and the oxygen preheat passage 6 (being the cooling duct) that enters after hydrogen and oxygen mol ratio are 2: 1 ratio separately through flow control valve 9, because upper and lower surface, cooling duct is the staggered formation 14 in pin wing surface that helps conducting heat, being in the hydrogen of room temperature and oxygen remains on the cooling duct respectively and is higher than in the little temperature range of room temperature, subsequently after 7 imports 15 of catalytic combustion passage mix, at hydrogen catalytic combustion Pt/Al
2O
3Begin catalyst combustion reaction under the effect of catalyst, reaction equation is as follows:
2H
2+O
2＝2H
2O+Q
Liberated heat Q passes to the temperature-difference power generation module hot junction as thermal source, keeps the module hot junction to be in 400～700 ℃ of temperature ranges, and the temperature-difference power generation module two ends maintain the temperature difference more than 300 ℃ like this, its Maximum Power Output 11 then be proportional to the temperature difference square.Power output can be by flowing through the catalytic combustion passage the flow of hydrogen and the ratio of hydrogen and oxygen regulate, module converts temperature difference to electrical potential difference by the Sai Beier effect, uses as power supply after voltage stabilizing circuit and AC-DC conversion.When this device is positioned on the horizontal plane, pad 13 will make this device tilt slightly, help being cooled to the product water of liquid from floss hole 12 discharges.
In addition, fuel storage jar 2 of the present utility model and oxygen storage tank 3 also can be deposited with a kind of mixed fuel gas; Perhaps only adopt a fuel storage jar 2 also can.
Claims (5)
1, a kind of portable minisize thermoelectric generator is characterized in that, comprises fuel storage jar (2) and at least one group of temperature-difference power generation module (4); Every group of temperature-difference power generation module is made of two superimposed temperature-difference power generation modules (4); Described two temperature-difference power generation modules (4) adjacent wall is provided with catalytic combustion heat source channels (7), described two temperature-difference power generation modules (4) opposite side is respectively equipped with preheating of fuel passage (5 or/and 6), and promptly catalytic combustion heat source channels (7) is positioned at the hot junction of temperature-difference power generation module (4); Described preheating of fuel passage (5 or/and 6) is positioned at the cold junction of temperature-difference power generation module (4); Described catalytic combustion passage (7) is a serpentine channel, and its air inlet (15) is connected with preheating of fuel passage (5 or/and 6), and its outlet is waste discharge mouth (16); Preheating of fuel passage (5 or/and 6) links to each other with fuel storage jar (2).
2, portable minisize thermoelectric generator according to claim 1 is characterized in that, described catalytic combustion passage (7) is snakelike, and it advances and go out the passage heat exchange that is staggered.
3, portable minisize thermoelectric generator according to claim 1 is characterized in that, also comprises oxygen storage tank (3), and oxygen storage tank (3) communicates with preheating of fuel passage (5 or 6).
4, portable minisize thermoelectric generator according to claim 1 is characterized in that, the inner surface of described preheating of fuel passage (5 or/and 6) is stainless pin wing surface.
5, portable minisize thermoelectric generator according to claim 1 is characterized in that, described temperature-difference power generation module (4) is in parallel or polyphone formation according to power requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201261431U CN201332373Y (en) | 2009-01-15 | 2009-01-15 | Portable miniature temperature difference electric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201261431U CN201332373Y (en) | 2009-01-15 | 2009-01-15 | Portable miniature temperature difference electric generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201332373Y true CN201332373Y (en) | 2009-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201261431U Expired - Fee Related CN201332373Y (en) | 2009-01-15 | 2009-01-15 | Portable miniature temperature difference electric generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201332373Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105827152A (en) * | 2016-05-12 | 2016-08-03 | 杭州电子科技大学 | Micro-combustion thermoelectric generator based on porous medium micro-combustion |
| CN105978404A (en) * | 2016-05-20 | 2016-09-28 | 梁山德圣新能设备制造有限公司 | Semiconductor generator and generating device |
-
2009
- 2009-01-15 CN CNU2009201261431U patent/CN201332373Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105827152A (en) * | 2016-05-12 | 2016-08-03 | 杭州电子科技大学 | Micro-combustion thermoelectric generator based on porous medium micro-combustion |
| CN105827152B (en) * | 2016-05-12 | 2017-11-14 | 杭州电子科技大学 | The micro-combustion thermoelectric generator surely fired based on porous media |
| CN105978404A (en) * | 2016-05-20 | 2016-09-28 | 梁山德圣新能设备制造有限公司 | Semiconductor generator and generating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20130115 |