CN204128001U - A kind of generated electricity biomass stove of portable type of bleeding - Google Patents
A kind of generated electricity biomass stove of portable type of bleeding Download PDFInfo
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- CN204128001U CN204128001U CN201420509779.5U CN201420509779U CN204128001U CN 204128001 U CN204128001 U CN 204128001U CN 201420509779 U CN201420509779 U CN 201420509779U CN 204128001 U CN204128001 U CN 204128001U
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Abstract
The utility model discloses a kind of generated electricity biomass stove of portable type of bleeding, comprise body of heater and temperature difference electricity generation device, wherein, body of heater middle and upper part offers exhaust tube socket, and top offers Secondary Air air port along in body of heater circumference; Temperature difference electricity generation device comprise top have cold wind air-vent hollow housing, be arranged on housing upper exhaust tube, be arranged on housing cavity top temperature-difference power generation module and be arranged on the adjustable fan of the rotating speed of housing cavity bottom, the rotation of fan makes hot gas and cold air flow through the both sides of temperature-difference power generation module respectively by cold wind air inducing, and carry out adjustment by the adjustment of rotation speed of the fan to the hot gas scale of construction temperature-difference power generation module hot-side temperature is stablized, thus realize generating electricity with carrying out stability and safety while temperature combustion obtains heat.The temperature of the hot gas that device of the present utility model extracts is less with the fluctuation of stove combustion load variations, and thermo-electric generation sheet power generation temperature is less by the impact of stove combustion load variations, thermo-electric generation sheet is generated electricity more stable, and protects thermo-electric generation sheet not burnt.
Description
Technical field
The utility model relates to biomass stove technical field, is specifically related to a kind of biomass stove generated electricity.
Background technology
Biomass stove uses biological material as the stove and accessory of fuel, because it can the flammable biomass as fuel such as stalk, straw, in stove, existing naked light burning also has gasification ingredient, have and there is no tar, over-emitting black exhaust, sufficient combustion, the thermal efficiency are not high, the advantage that fume emission is low, is particularly suitable for outdoor use.
In order to meet the demand to outdoor electricity consumption, there is a kind of outdoor biomass stove generated electricity, because it can utilize field biomass resource to provide the thermal source needed for user as fuel, the problem of the charging difficulty of outdoor electronic product can be solved again, therefore there is good application prospect.
At present, for the outdoor biomass stove that can generate electricity, its principle is generally utilize furnace heat, by thermo-electric generation sheet, partial heat energy is converted to electric energy.Conventional design is the hot junction adopting the conductive force of furnace wall or heat conductive rod furnace heat to be delivered to thermo-electric generation sheet, and the cold junction of recycling Air flow thermo-electric generation sheet, for thermo-electric generation sheet provides the temperature difference needed for generating.
Such as patent document CN103615745A discloses one and can to generate electricity outdoor wood stove, comprise body of heater and be fixed on the temperature difference electricity generation device on body of heater lateral wall, at least one air inlet, secondary air inlet and three air inlets are offered respectively on the bottom of inner bag, middle part and top, below an air inlet, have air guide hole, between secondary air inlet and three air inlets, have thermal hole.Wherein temperature difference electricity generation device comprises heat-conducting metal rod, at least one piece of thermo-electric generation sheet, heat-dissipating aluminium plate, air blast, battery module and heat dissipation wind channel, heat dissipation wind channel communicates with air guide hole, heat-conducting metal rod is fixed in described thermal hole and the heat collector surface of an end and thermo-electric generation sheet fits, and radiating surface and the heat-dissipating aluminium plate of described thermo-electric generation sheet fit.This outdoor wood stove that can generate electricity can realize living beings heat to be transmitted on thermo-electric generation sheet, thus realizes generating.
But, due to the change of the change of fuel quantity during burning, the change of fuel characteristic and burning condition, stove combustion is very unstable, therefore the influenced fluctuation of in-furnace temperature is larger, this just causes the instability of the temperature of furnace wall temperature and heat conductive rod, finally cause the hot-side temperature extremely unstable of temperature to generate electricity sheet, make the easy overtemperature of thermo-electric generation sheet temperature and cause its use safety even to be burnt damage; Meanwhile, also generating efficiency and power generation stability is greatly affected.
Utility model content
The purpose of this utility model be can generate electricity that biomass stove generating is unstable for current small outdoor, the easy overtemperature of thermo-electric generation sheet and the undesirable present situation of generating effect, propose a kind of generating effect that is equipped with and affect the biomass stove of less type of bleeding temperature difference electricity generation device by stove combustion load variations, it obtains the thermal source of thermo-electric generation by the mode that employing is bled, adopt convection current heat transfer enhancement technology to improve the generating effect of thermo-electric generation sheet simultaneously, ensure that the high efficiency of power generating stove, stability and security.
For achieving the above object, the concrete technical scheme that the utility model adopts is as follows:
A kind of generated electricity biomass stove of portable type of bleeding, is characterized in that, this biomass stove comprises body of heater and is removably mounted on the temperature difference electricity generation device of this body of heater side, wherein,
Described body of heater middle and upper part offers exhaust tube socket, and top is along body of heater circumference offering multiple opening as Secondary Air air port;
Described temperature difference electricity generation device comprises:
Top has the hollow housing of the opening as cold wind air-vent;
Be arranged on housing upper and the exhaust tube identical with inner chamber, the exhaust tube socket that described temperature difference electricity generation device is inserted on body of heater by this exhaust tube makes temperature difference electricity generation device be suspended on body of heater, and its mouth of pipe is identical with described Secondary Air air port when making exhaust tube insert in stove, thus bottom of furnace body fuel mixes with First air and Secondary Air mixed combustion that the gas containing volatile matter composition that imperfect combustion produces enters when rising to Secondary Air tuyere position and from Secondary Air air port occurs and the hot gas that produces temperature relative constancy;
The fan that the temperature-difference power generation module being arranged on housing cavity top is adjustable with the rotating speed being arranged on housing cavity bottom, the rotation of this fan makes described hot gas by described exhaust tube and makes the cold air in environment flow through the both sides of described temperature-difference power generation module respectively by described cold wind air-vent, and carry out adjustment by the adjustment of rotation speed of the fan to the hot gas scale of construction flowing through described temperature-difference power generation module temperature-difference power generation module hot-side temperature is stablized, thus realize generating electricity with carrying out stability and safety while temperature combustion obtains heat.
As improvement of the present utility model, described lower portion of furnace body offers First air air port, and described windthroat and described First air air port are identical, the mixing wind of the described hot gas and cold air formation that flow through temperature-difference power generation module both sides is blown in body of heater by described First air air port, to promote the burning of body of heater endogenous substance fuel.
As improvement of the present utility model, described temperature-difference power generation module comprise be positioned at side hot air heat exchange device, be positioned at middle semiconductor temperature differential generating sheet and be positioned at the cold wind exchange piece of opposite side, three is fastenedly connected, the fin that wherein said hot air heat exchange device is arranged by stagger arrangement is vertically welded in metal sheet surface and is formed, and described cold wind exchange piece is vertically welded in metal sheet surface by multiple palisade fin and is formed.
As improvement of the present utility model, in the hollow housing of described temperature difference electricity generation device, thermal insulation board is provided with for described First air air port At The Height, internal cavities be divided into independently upper and lower two parts and make lower part and be used for the upper part that hot gas and cold air circulate and carry out heat insulation, managing electric quantity module is provided with, for electric generation management in this lower part.
As improvement of the present utility model, described managing electric quantity module comprises DC-DC Voltage stabilizing module, DC-DC voltage reduction module and PWM module, wherein, the electricity that described temperature-difference power generation module sends, the electricity of certain voltage is exported respectively after this DC-DC Voltage stabilizing module and DC-DC voltage reduction module, wherein a road voltage enters described fan after described PWM module, and for the rotation driving or control fan, another road voltage is used for exporting.
As improvement of the present utility model, described managing electric quantity module also comprises charging management chip, DC-DC boost module and internal battery, another road voltage wherein said is divided into two, wherein one to be charged accumulation of energy to internal battery by described charging management chip, for the startup power supply as described fan, another is connected directly to export with voltage output end mouth.
As improvement of the present utility model, described two-way voltage is respectively 12V and 5V.
As improvement of the present utility model, described fan is placed on above-mentioned thermal insulation board.
As improvement of the present utility model, multiple openings in described Secondary Air air port are forming a circle or are being in differing heights place and form multi-turn along the circumference of furnace body wall is in sustained height place.
The biological stove of the utility model is by regulating the rotating speed of small-sized centrifugal fan, regulate the intake of First air, stove endogenous substance fuel is made to be in imperfect combustion state, the fugitive constituent of living beings occurs to burn completely at the little tuyere position of Secondary Air, produce the hot gas of temperature relative constancy, by the air-extraction function of exhaust tube, increase the intake of Secondary Air aperture, make burning more abundant.Regulate the effect of small-sized centrifugal fan rotating speed also to show: when burned prosperous time, the rotating speed of small-sized centrifugal fan can be turned down, reduce the intake of First air and the rate of air sucked in required of exhaust tube, avoid the temperature of semiconductor temperature difference sheet too high; When combustion position is undesirable, the rotating speed of the small-sized centrifugal fan of adjustable height, increases the intake of First air, play combustion-supporting effect to stove fuel, the exhausting amount of exhaust tube increases simultaneously, adds the gas flow rate of hot air duct, enhance heat exchange, the temperature appropriateness of thermo-electric generation sheet is improved.As this reduce thermo-electric generation sheet because of stove combustion changed condition the unstability of temperature that causes.
Temperature difference electricity generation device top of the present utility model is furnished with cold wind air-vent; Temperature difference electricity generation device is built-in with a vertical thermal insulation board for coming isolated for the cold-hot wind in temperature-difference power generation module region; Cold-hot wind Mixed Zone is left in temperature-difference power generation module bottom; Small-sized centrifugal fan is placed on a thermal insulation board sidewards, and thermal insulation board lower disposed managing electric quantity module, the effect of thermal insulation board ensure that managing electric quantity module not heat damage.
Another feature of the present utility model also shows more convenient to carry, and temperature difference electricity generation device can be taken off by dismounting, put in stove inner bag, what reduce device carries volume.
In general, the above technical scheme conceived by the utility model compared with prior art, has following beneficial effect:
(1) hot gas of the Secondary Air combustion zone in stove is extracted, temperature is comparatively suitable, and temperature fluctuation is little, makes it by the heat convection structure in above-mentioned temperature-difference power generation module for thermo-electric generation sheet provides thermal source, compared to prior art, improve that thermo-electric generation sheet is efficient, the ability of trouble free service.
(2) when stove combustion is not enough or cross prosperous, all by regulating the rotating speed of small-sized centrifugal fan to change First air intake, improve the combustion position in stove, the change that simultaneously First air air quantity changes the effect of bleeding caused contributes to the power generation stabilization of temperature difference electricity generation device.
(3) exhaust tube is positioned at stove inner second air air inlet position height, can strengthen the intake of Secondary Air, and fuel combustion can be made comparatively complete.
(4) this device body of heater and TRT are detachably, and TRT can be placed in flue, easy to carry, offer convenience to use.
Accompanying drawing explanation
Fig. 1 is the device overall structure schematic diagram according to the utility model embodiment;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the structural representation of temperature-difference power generation module (7) in the device according to the utility model embodiment;
Fig. 4 is the structured flowchart of managing electric quantity module (16) in the device according to the utility model embodiment;
Fig. 5 is that in the device according to the utility model embodiment, body of heater (1) and temperature difference electricity generation device (9) disassemble schematic diagram.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.In addition, if below in described each embodiment of the utility model involved technical characteristic do not form conflict each other and just can mutually combine.
As shown in Figure 1-2, the generated electricity biomass stove of a kind of portable type of bleeding of the present embodiment, is combined into by body of heater 1 and temperature difference electricity generation device 9 two parts.
The shell 2 that body of heater 1 is made by metal inner tube 3 and insulation material is fitted and is formed, and shell 2 main body that wherein metal inner tube 3 and insulation material make is all tubular constructions, and side is equalized.The barrel bottom of body of heater 1 offers a First air air port 18, and middle and upper part offers an exhaust tube socket 6, barrel top circumferentially on offer the little air port 4 of at least one circle Secondary Air, also can be the multi-turn at barrel top differing heights.
Temperature difference electricity generation device 9 main body is cuboid, be made up of interior metal-back 11 and Surgery therapy shell 12, metal-back 11 upper right side has rectangle cold air inlet 10, metal-back 11 inner upper region is provided with thermal insulation board 8 and temperature-difference power generation module 7, cold-hot wind mixed zone 13 is left in temperature-difference power generation module 7 bottom, the small-sized centrifugal fan 14 of bottom, cold-hot wind mixed zone 13 is arranged on thermal insulation board 15, thermal insulation board 15 lower disposed managing electric quantity module 16.
As shown in Figure 3, temperature-difference power generation module 7 is made up of three parts, the hot air heat exchange device 7a in left side, the semiconductor temperature differential generating sheet 7c that middle SiGe alloy material makes, the cold wind exchange piece 7b on right side, three adopts bolt tightly to plug with molten metal, and bolt is corner distribution, the fin 7a1 that hot air heat exchange device 7a is arranged by stagger arrangement and sheet metal 7a2 is welded, and the fin 7a1 of wherein multiple stagger arrangement arrangement is welded on sheet metal 7a2 by its one end end vertical.Cold wind exchange piece 7b is welded by palisade fin 7b2 and sheet metal 7b1, and the palisade fin 7b2 of wherein multiple stagger arrangement arrangement is welded on sheet metal 7b1 by its one end end vertical.Both sides fin height can carry out conservative control according to cold-hot wind air flow rate proportioning, and such as, the Altitude control of cold wind exchange piece and cold wind exchange piece, in certain ratio, such as, can be preferably 1:4 in the present embodiment.
As shown in Figure 4, described managing electric quantity module 16 comprises DC-DC Voltage stabilizing module 16a, DC-DC voltage reduction module 16d, charging management chip 16e, PWM module 16c, speed governing knob 16b, internal battery 16g, DC-DC boost module 16f, standard 5V output port 16h, its Plays 5V output port 16h is arranged in shell 12 lower area, speed governing knob 16b is arranged in standard 5V output port 16h top, and other parts are arranged in thermal insulation board 15 bottom in temperature difference electricity generation device.
As shown in Figure 2, temperature difference electricity generation device 9 makes temperature difference electricity generation device 9 be suspended on stove by the exhaust tube socket 6 that exhaust tube 5 inserts on body of heater, and exhaust tube 5 inserts stove inner spout just reaches Secondary Air little air port 4 height and position, now the small-sized centrifugal fan exhaust outlet 17 of temperature difference electricity generation device 9 is just facing to First air air port 18, and both sizes match.
As shown in Figure 5, temperature difference electricity generation device 9 also can dismantle from body of heater 1.
During stove work, first body of heater 1 and temperature difference electricity generation device 9 are fitted together, light in the metal inner tube 1 living beings being added to body of heater 1.Depending on stove combustion situation, regulate speed governing knob 16b to change the rotating speed of small-sized centrifugal fan 14, regulate by the First air air quantity in First air air port 18 left spirt stove.The rotation of small-sized centrifugal fan 14 can extract certain air quantity from the upper side, this wind is mixed by two parts air quantity, a part is hot gas in the stove that exhaust tube 5 is extracted out, another part is the cold air in the environment extracted by rectangle cold air inlet 10, both flow through the both sides of temperature-difference power generation module 7 respectively, form the thermal source needed for semiconductor temperature differential generating sheet 7c generating and low-temperature receiver.Body of heater 1 inner bottom part fuel mixes with First air imperfect combustion occurs, the gas containing volatile matter composition produced rises to position, Secondary Air air port 4, with the Secondary Air mixed combustion be drawn onto by exhaust tube 5 air-extraction function in stove, produce the hot gas of temperature relative constancy, sub-fraction is taken away by exhaust tube 5, major part for user as thermal source.Due to fuel half open spaces burning in stove, along with the change of combustion position, all can there is larger change in flame temperature and radiations heat energy, temperature in body of heater 1 is caused to produce fluctuation, but the hot air temperature change that fuel combustion produces is relatively little, therefore utilize the heat of hot gas relatively little on the temperature impact on the left of semiconductor temperature differential generating sheet 7c.And due to stove combustion violent time, need the rotating speed reducing centrifugal small fan 14, exhaust tube 5 speed of evacuation can be made to reduce, the reduction of gas flow rate reduces the convection transfer rate on the left of semiconductor temperature differential generating sheet 7c, thus counteracts the rising being raised temperature on the left of caused semiconductor temperature differential generating sheet 7c by hot air temperature to a certain extent; In like manner, also temperature on the left of semiconductor temperature differential generating sheet 7c can not significantly be reduced in the opposite case.2 points thus, can make that the generating of semiconductor temperature differential generating sheet 7c becomes stable, safety.
The electricity that semiconductor temperature differential generating sheet 7c sends is through exporting the electricity of 12V and 5V voltage through DC-DC Voltage stabilizing module 16f and DC-DC voltage reduction module 16d, the electricity of 12V voltage becomes sinusoidal current through PWM module 16c and drives small-sized centrifugal fan 14 to rotate, and has speed governing knob 16b for regulating the rotating speed of small-sized centrifugal fan in PWM module 16c; The electricity of 5V voltage exports a point two-way, and lead up to charging management chip 16e to internal battery 16g charging accumulation of energy, a road meets standard 5V output port 16h; Internal battery 16g also meets standard 5V output port 16h can realize electricity output; The electricity of internal battery 16g becomes 12V electricity by DC-DC boost module 16f and arrives the startup of PWM module 16c for small-sized centrifugal fan 14.The safeguard measure of the heat preservation component that stove has and electronic installation and circuit can make stove reduce unnecessary heat loss, use safety, efficient.
The foregoing is only better embodiment of the present utility model, every any amendment making within the utility model spirit and principle, equivalent replacement and improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. the generated electricity biomass stove of a portable type of bleeding, is characterized in that, this biomass stove comprises body of heater (1) and is removably mounted on the temperature difference electricity generation device (9) of this body of heater (1) side, wherein,
Described body of heater (1) middle and upper part offers exhaust tube socket (6), and top offers opening as Secondary Air air port (4);
Described temperature difference electricity generation device (9) comprising:
Top has the hollow housing of the opening as cold wind air-vent (10);
Be arranged on housing upper and the exhaust tube identical with inner chamber (5), the exhaust tube socket (6) that described temperature difference electricity generation device is inserted on body of heater (1) by this exhaust tube (5) makes temperature difference electricity generation device be suspended on body of heater (1), and its mouth of pipe and described Secondary Air air port (4) are identical when making exhaust tube (5) insert in stove, thus body of heater (1) bottom fuel mix with First air and Secondary Air mixed combustion that the gas containing volatile matter composition that imperfect combustion produces enters when rising to Secondary Air air port (4) position and from Secondary Air air port (4) occurs and the hot gas that produces temperature relative constancy,
The temperature-difference power generation module (7) being arranged on housing cavity top and the adjustable fan (14) of the rotating speed being arranged on housing cavity bottom, the rotation of this fan (14) makes described hot gas by described exhaust tube (5) and makes the cold air in environment flow through the both sides of described temperature-difference power generation module (7) respectively by described cold wind air-vent (10), and by the adjustment of fan (14) rotating speed, adjustment is carried out to the hot gas scale of construction flowing through described temperature-difference power generation module (7) temperature-difference power generation module (7) hot-side temperature is stablized, thus realize generating electricity with carrying out stability and safety while temperature combustion obtains heat.
2. the generated electricity biomass stove of a kind of portable type of bleeding according to claim 1, wherein, described body of heater (1) bottom offers First air air port (18), and the exhaust outlet of described fan (14) and described First air air port (18) are identical, the mixing wind of the hot gas and cold air formation that flow through temperature-difference power generation module (7) both sides described in making is blown in body of heater (1) by described First air air port, to promote the burning of body of heater (1) endogenous substance fuel.
3. the generated electricity biomass stove of a kind of portable type of bleeding according to claim 1 and 2, wherein, described temperature-difference power generation module (7) comprises the hot air heat exchange device (7a) being positioned at side, be positioned at middle semiconductor temperature differential generating sheet (7c), and be positioned at the cold wind exchange piece (7b) of opposite side, three is fastenedly connected, the fin (7a1) that wherein said hot air heat exchange device (7a) is arranged by stagger arrangement is vertically welded in sheet metal (7a2) surface and is formed, described cold wind exchange piece (7b) is vertically welded in sheet metal (7b1) surface by multiple palisade fin (7b2) and is formed.
4. the generated electricity biomass stove of a kind of portable type of bleeding according to claim 1, wherein, in the hollow housing of described temperature difference electricity generation device, thermal insulation board (15) is provided with for described First air air port (18) At The Height, internal cavities be divided into independently upper and lower two parts and make lower part and be used for the upper part that hot gas and cold air circulate and carry out heat insulation, managing electric quantity module (16) is provided with, for electric generation management in this lower part.
5. the generated electricity biomass stove of a kind of portable type of bleeding according to claim 4, wherein, described managing electric quantity module (16) comprises DC-DC Voltage stabilizing module (16a), DC-DC voltage reduction module (16d) and PWM module (16c), wherein, the electricity that described temperature-difference power generation module (7) sends, the electricity of certain voltage is exported respectively after this DC-DC Voltage stabilizing module (16a) and DC-DC voltage reduction module (16d), wherein a road voltage enters described fan (14) after described PWM module (16c), for the rotation driving or control fan (14), another road voltage is used for exporting.
6. the generated electricity biomass stove of a kind of portable type of bleeding according to claim 5, wherein, described managing electric quantity module (7) also comprises charging management chip (16e) and internal battery (16g), another road voltage wherein said is divided into two, wherein one by described charging management chip (16e) to internal battery charging (16g) accumulation of energy, for the startup power supply as described fan (14), another is connected directly to export with voltage output end mouth.
7. the generated electricity biomass stove of a kind of portable type of bleeding according to claim 6, wherein, described two-way voltage is respectively 12V and 5V.
8. the generated electricity biomass stove of a kind of portable type of bleeding according to claim 4 or 5, wherein, described fan (14) is placed on above-mentioned thermal insulation board (15).
9. the generated electricity biomass stove of a kind of portable type of bleeding according to claim 1 and 2, wherein, multiple openings of described Secondary Air air port (4) are in sustained height place and form a circle or be in differing heights place and form multi-turn in the circumference along body of heater (1) wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420509779.5U CN204128001U (en) | 2014-09-04 | 2014-09-04 | A kind of generated electricity biomass stove of portable type of bleeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420509779.5U CN204128001U (en) | 2014-09-04 | 2014-09-04 | A kind of generated electricity biomass stove of portable type of bleeding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204128001U true CN204128001U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420509779.5U Expired - Fee Related CN204128001U (en) | 2014-09-04 | 2014-09-04 | A kind of generated electricity biomass stove of portable type of bleeding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204128001U (en) |
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2014
- 2014-09-04 CN CN201420509779.5U patent/CN204128001U/en not_active Expired - Fee Related
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| 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 |
Granted publication date: 20150128 Termination date: 20150904 |
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| EXPY | Termination of patent right or utility model |