CN216628280U - Outdoor barbecue oven with thermoelectric generation function - Google Patents
Outdoor barbecue oven with thermoelectric generation function Download PDFInfo
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- CN216628280U CN216628280U CN202122883705.0U CN202122883705U CN216628280U CN 216628280 U CN216628280 U CN 216628280U CN 202122883705 U CN202122883705 U CN 202122883705U CN 216628280 U CN216628280 U CN 216628280U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
An outdoor barbecue oven with a temperature difference power generation function comprises an oven body, foot frames, a baking net, a carbon net, an object placing disc, an object placing frame, a phase change heat storage device, a temperature difference power generation device and a charging and discharging device. The carbon net is arranged in the furnace body, fuel is combusted on the carbon net, generated heat is stored through the phase change heat storage device, the hot end of the thermoelectric generation device is connected with the bottom plate of the phase change heat storage device, the cold end adopts the short fins arranged in a divergent mode to dissipate heat, outdoor natural wind is fully utilized, and thermoelectric generation is performed through the thermoelectric generation at the cold and hot ends of the thermoelectric generation device. When the thermoelectric generation furnace is used, heat of the furnace body is stored by the phase-change heat storage device, the thermoelectric generation device is used for converting the heat into electric energy, and the charging and discharging device is used for providing power for equipment such as a fan, a lighting lamp and a mobile phone. The utility model improves the heat utilization rate of the barbecue oven, reduces the environmental pollution, improves the power generation efficiency of the temperature difference power generation device, prolongs the service life of the temperature difference power generation device, is suitable for barbecue ovens with various structures, and has better market prospect.
Description
Technical Field
The utility model relates to the technical field of barbecue ovens, in particular to an outdoor barbecue oven with a thermoelectric power generation function.
Background
A barbecue grill is an apparatus for roasting mutton shashlik, vegetables, roasted meat, etc., and generally comprises a grill body and a barbecue grill. When in use, the food to be roasted is placed on the roasting net, and the heat generated by burning the charcoal or the heat generated by the electric heating pipe is utilized to roast the food. However, when the barbecue grill is used for food treatment outdoors, due to the difficulty of outdoor power supply, the use of electricity by a blower, a lighting lamp, and electronic devices such as a mobile phone and a fan becomes particularly difficult, so that there are many inconveniences when people burn outdoors.
The outdoor barbecue oven of current part provides the power through installing the thermoelectric generation piece under the barbecue oven frame, but still has following problem: on one hand, due to the discontinuity of the operation of the barbecue oven and the non-uniformity of the distribution of the carbon layer, the temperature distribution of the oven bottom is extremely non-uniform, so that the thermoelectric generation piece is not beneficial to the thermoelectric generation, and the generating efficiency and the service life of the thermoelectric generation piece can be influenced; on the other hand, the temperature difference power generation has low efficiency, most of heat generated by the combustion of carbon fire at the furnace bottom is discharged to the environment, and the heat efficiency is low; meanwhile, the common water-cooled thermoelectric power generation needs to consume extra electric quantity for water circulation besides a water source, so that the generated energy is further reduced. How to further improve the heat utilization rate of outdoor barbecue ovens and increase the generated energy is still a problem to be solved at present.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide an outdoor barbecue oven with the functions of phase change heat storage and temperature difference power generation, wherein heat generated during food baking is stored by adopting a phase change heat storage material, and the stored heat is converted into electric energy by using a temperature difference power generation device so as to provide a power supply for small electric equipment such as a fan and the like, thereby increasing the convenience of outdoor barbecue, improving the heat efficiency of fuel and protecting the environment; in order to ensure that the cold end has enough heat dissipation effect and make full use of natural wind in the environment, the scattering type fins are arranged to strengthen heat transfer and increase the temperature difference of the cold end and the hot end.
The technical scheme of the utility model is as follows: an outdoor barbecue oven with a thermoelectric generation function comprises an oven body, foot frames, a baking net, a carbon net, an object placing plate, an object placing frame, a phase change heat storage device, a thermoelectric generation device and a charging and discharging device.
The furnace body includes four blocks of curb plates, furnace body bottom plate, carbon net support and buckle ring, and four blocks of curb plates and furnace body bottom plate constitute the cavity of oven, and the furnace body is wide from top to bottom narrow, and the furnace body bottom plate is the rectangle, has arranged the carbon net support on the curb plate, and a plurality of buckle rings are fixed on the curb plate side.
The phase-change heat storage device comprises a phase-change heat storage box, a needle-shaped heat conduction fin and a phase-change heat storage material, wherein a phase-change heat storage material feeding port is formed in the side surface of the phase-change heat storage box; the phase-change heat storage material feeding port is provided with a feeding cover, and the needle-shaped heat conduction fins are fixed at the top of the phase-change heat storage box.
The thermoelectric power generation device comprises a heat collection plate, a thermoelectric power generation layer, a cold end substrate and a cold end fin; the heat collection plate is thin metal net, and the coating has heat conduction silicone grease, and thermoelectric generation layer contains plural sets of thermoelectric generation piece group, thermoelectric generation piece mounting panel and thermoelectric generation power connection, and plural sets of thermoelectric generation piece group is with array arrangement's mode fixed mounting in thermoelectric generation piece mounting panel, and plural sets of thermoelectric generation piece group all is connected in thermoelectric generation power connection through the wire, and one side that thermoelectric generation piece mounting panel was equipped with plural sets of thermoelectric generation piece group is fixed in the heat collection plate, and the opposite side is fixed in the cold junction base plate.
Be equipped with the buckle on the cold junction base plate, one side of cold junction base plate is in the same place through heat conduction silicone grease and the close laminating of plural number group thermoelectric generation piece group, and cold junction radiating fin arranges in the opposite side of cold junction base plate, and cold junction radiating fin is arranged by the outside multiloop layer in cold junction base plate center, is the type of dispersing around cold junction base plate center.
The charging and discharging device comprises a boosting and voltage stabilizing module, a charging module, a voltage conversion module and an interface module which are sequentially connected, wherein the interface module comprises a plurality of USB interfaces and other electric equipment interfaces.
The furnace body is fixed on a foot rest, the foot rest is in threaded connection or bolted connection, the baking net is placed on the upper surface of the furnace body, the carbon net is placed on a carbon net support, the storage disc is arranged on the side edge of the furnace body, the storage frame is fixed at the lower end of the foot rest, the top of a phase change heat storage box of the phase change heat storage device is tightly attached to the outer side of a bottom plate of the furnace body through heat conduction silicone grease, the bottom of the phase change heat storage box is connected with a heat collection plate of the temperature difference power generation device, a buckle on a cold end substrate is matched with a buckle ring on the furnace body, the temperature difference power generation device and the furnace body are tightly fixed together, and a power supply connector of the temperature difference power generation device is electrically connected with the charging and discharging device.
The further technical scheme of the utility model is as follows: the installation position of the phase-change heat storage material feeding port is higher than that of the furnace body bottom plate, the needle-shaped heat conduction fins are fixed to the top of the phase-change heat storage box in a welding fixing or integrated mode, and the phase-change heat storage material is an organic or inorganic phase-change energy storage material with the phase-change temperature of 100-200 degrees or so.
The further technical scheme of the utility model is as follows: the quantity of every thermoelectric generation piece group of group is 2 to 6 thermoelectric generation pieces, and all thermoelectric generation pieces in the group adopt the series connection mode to connect, arranges in same plane with parallelly connected mode between the thermoelectric generation piece group of plural number group, and the mounting hole has been arranged to the thermoelectric generation piece mounting panel, and the size of this mounting hole is unanimous with thermoelectric generation piece size, and is equipped with special wire in the thermoelectric generation piece mounting panel and arranges the channel.
The utility model further adopts the technical scheme that: the temperature difference power generation sheet mounting plate is made of high-temperature-resistant plastics.
The utility model further adopts the technical scheme that: the cold end substrate and the cold end radiating fins are welded and fixed or integrally manufactured, and the cold end substrate is made of aluminum or copper; the number of the circles of the cooling fins at the cold end is determined and arranged according to the width size of the base plate at the cold end and the distance between the fins at the adjacent circles.
The utility model further adopts the technical scheme that: the cooling fins at the cold ends of the ring layers are short fins, the length of each fin is less than 20mm, the thickness of each fin is 0.1 mm-0.2 mm, and the height of each fin is not less than the length of each fin; the short fins at different positions on the cold end substrate adopt different installation angles: the outer ring layer fins on the cold end substrate are distributed in an oval shape, the angle between the radial center short fin and the plane of the cold end substrate is 0 degree, the angle between the axial center short fin and the plane of the cold end substrate is 90 degrees, the angle is gradually increased from 0 degree to about 45 degrees from the center to the four corners of the short fin along the axial direction of the cold end substrate, and the angle is gradually increased from about 45 degrees from the four corners to the center of the short fin along the radial direction of the cold end substrate; in the same circle layer, the number of fins of the inner circle layer is less than that of fins of the outer circle layer, and the fins are symmetrically arranged based on the center of the cold end substrate.
The utility model further adopts the technical scheme that: the buckle adopts welded connection or as an organic whole with the cold junction base plate, and the buckle is box buckle, and the quantity of buckle is more than four, along furnace body bottom plate length direction symmetrical arrangement in both sides, and cold junction base plate thickness is 2mm ~ 5 mm.
The utility model further adopts the technical scheme that: the cold end radiating fin is composed of two or three radiating fin areas, each radiating fin area is square, short fins in each radiating fin area are arranged in a divergent mode or a spiral mode, a fan is arranged at the bottom of each radiating fin area, and the fan is electrically connected with the charging and discharging device.
Compared with the prior art, the utility model has the following characteristics: the phase-change heat storage device is arranged between the furnace body bottom plate and the temperature difference power generation device, heat at the bottom of the furnace body is stored and transferred through phase change of the phase-change heat storage material instead of being directly used for temperature difference power generation, the power generation efficiency and the total power generation amount of the temperature difference power generation piece are improved, and the service life of the temperature difference power generation piece is prolonged; and the phase-change heat storage material ensures that the temperature distribution of the furnace body bottom plate is more uniform, thereby being beneficial to the full combustion of carbon fire to reduce the influence on the environment.
The detailed structure of the present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a furnace body;
FIG. 3 is a schematic view of a phase change heat storage device;
FIG. 4 is a schematic structural diagram of a heat-conducting fin in a phase-change heat storage device;
FIG. 5 is a schematic structural view of a thermoelectric power generation device;
FIG. 6 is a schematic structural view of a thermoelectric generation layer;
FIG. 7 is a schematic structural view of a cold-end fin;
fig. 8 is a partially enlarged view of the cold-side fin.
Detailed Description
In the embodiment, as shown in fig. 1-8, an outdoor barbecue oven with thermoelectric power generation function comprises an oven body 1, foot rests 2, a baking net 3, a carbon net 4, a storage tray 5, a storage rack 6, a phase change heat storage device 7, a thermoelectric power generation device 8 and a charging and discharging device 9.
The furnace body 1 comprises four side plates 1-1, a furnace body bottom plate 1-2, a carbon net support 1-3 and a snap ring 1-4. The oven comprises four side plates 1-1 and an oven body bottom plate 1-2, wherein the oven body 1 is wide at the top and narrow at the bottom, the oven body bottom plate 1-2 is rectangular, a carbon net support 1-3 is arranged on the side plates 1-1, and a plurality of snap rings 1-4 are fixed on the side surfaces of the side plates 1-1.
The phase change heat storage device 7 comprises a phase change heat storage box 7-1, a needle-shaped heat conduction fin 7-2 and a phase change heat storage material 7-3.
The side surface of the phase-change heat storage box 7-1 is provided with a phase-change heat storage material adding opening 7-1-1, the phase-change heat storage material 7-3 enters or flows out of the phase-change heat storage box 7-1 through the phase-change heat storage material adding opening 7-1-1 to realize the addition or replacement of the phase-change heat storage material 7-3, the installation position of the phase-change heat storage material adding opening 7-1-1 is higher than that of the furnace body bottom plate 1-2, and the expansion force generated by the volume change due to melting and solidification of the phase-change material in the phase-change process can be eliminated; the phase-change heat storage material feeding port 7-1-1 is provided with a feeding cover 7-1-2 for preventing impurities from falling into.
The needle-shaped heat conduction fins 7-2 are fixed on the top of the phase change heat storage box 7-1 in a welding fixing or integrated mode so as to strengthen the heat transfer of the phase change heat storage material, the quantity of the needle-shaped heat conduction fins 7-2 is related to the heating rate, and the addition of the phase change material cannot be influenced by the density degree. The phase-change heat storage material 7-3 is an organic or inorganic phase-change energy storage material with a phase-change temperature of about 100-200 ℃, such as paraffin.
The thermoelectric power generation device 8 comprises a heat collection plate 8-1, a thermoelectric power generation layer 8-2, a cold end substrate 8-3 and a cold end fin 8-4. The heat collecting plate 8-1 is a thin metal net coated with heat-conducting silicone grease. The thermoelectric generation layer 8-2 comprises a plurality of thermoelectric generation plate groups 8-2-1, thermoelectric generation plate mounting plates 8-2-2 and thermoelectric generation power supply connectors 8-2-3. The plurality of thermoelectric power generation sheet groups 8-2-1 are fixedly arranged in the thermoelectric power generation sheet mounting plate 8-2-2 in an array arrangement mode, and the plurality of thermoelectric power generation sheet groups 8-2-1 are connected to the thermoelectric power generation power supply connector 8-2-3 through a lead.
The number of each thermoelectric generation sheet group 8-2-1 is 2 to 6 thermoelectric generation sheets, all the thermoelectric generation sheets in the group are connected in series, and the plurality of thermoelectric generation sheet groups 8-2-1 are arranged in the same plane in parallel. The size of the temperature difference power generation piece mounting plate 8-2-1 is consistent with that of the temperature difference power generation piece, and a special lead arrangement channel is arranged in the temperature difference power generation piece mounting plate 8-2-2. The thermoelectric generation piece mounting plate 8-2-2 is made of a material with a good heat insulation effect, such as high-temperature resistant plastic, so that direct heat exchange between the cold end and the hot end of the thermoelectric generation piece is prevented, the temperature difference between the cold end and the hot end is reduced, and the power generation efficiency of the thermoelectric generation device 8 is influenced.
The thermoelectric generation piece mounting plate 8-2-2 is provided with a plurality of thermoelectric generation piece groups 8-2-1, one side of the thermoelectric generation piece mounting plate is fixed on the heat collection plate 8-4, the other side of the thermoelectric generation piece mounting plate is fixed on the cold end substrate 8-3, the plurality of thermoelectric generation piece groups 8-1-2 are electrically connected with the charging and discharging device 9, and the electric quantity converted by thermoelectricity is stored in the charging and discharging device 9 for use.
One side of the cold end substrate 8-3 is closely attached to the plurality of thermoelectric generating sheet groups 8-2-1 through heat-conducting silicone grease, and the cold end radiating fins 8-4 are arranged on the other side of the cold end substrate 8-3. The cold end base plate 8-3 and the cold end radiating fins 8-4 are welded and fixed or integrally manufactured, and the materials are selected from aluminum or copper and other materials with good heat conducting performance.
The cold end radiating fins 8-4 are arranged in a plurality of circles of layers from the center of the cold end base plate 8-3 to the outside, are in a divergent type around the center of the cold end base plate 8-3, and the number of the arranged circles is determined according to the width size of the cold end base plate 8-3 and the distance between adjacent circles of fins. The arrangement mode is favorable for natural wind to enter the fin area from all directions, and the convection heat transfer capability is enhanced. A small number of needle-shaped fins can be arranged in the central area of the cold-end substrate 8-3, and the purpose of enhancing heat dissipation is achieved by disturbing a flow field.
The cooling fins 8-4 at the cold ends of the ring layers are short fins, the length of each fin is less than 20mm, the thickness of each fin is 0.1 mm-0.2 mm, and the height of each fin is not less than the length of each fin. The short fins at different positions on the cold end substrate 8-3 adopt different installation angles: for example, the fin distribution of the outer ring layer is approximately elliptical, the cold end substrate 8-3 is horizontally arranged along the XY plane, the angles between the central short fins in the Y direction on the two sides of the cold end substrate 8-3 and the X direction are 0 degree, the angles between the central short fins in the Y direction of the cold end substrate 8-3 and the X direction are 90 degrees, and the angles between the short fins at the four corners of the cold end substrate 8-3 and the X direction are about 45 degrees. The short fins along the Y direction of the cold end substrate 8-3 gradually increase the angle from 0 degree to about 45 degrees from the center to the four corners; the short fins along the Y direction of the cold end substrate 8-3 are gradually increased by 90 degrees from the left and right angles to the center from four corners; in the same circle of layers, the angle variation of adjacent fins is related to the number of fins in the circle of layers, the number of fins in the inner circle of layers is slightly less than that of fins in the outer circle of layers, and the fins are arranged on the basis of the center symmetry of the cold end base plate 8-3. The distance between the fins, the length of the fins, the thickness of the fins and the height of the fins can be adjusted according to heat dissipation requirements, the heat dissipation area of the cold-end heat dissipation fins 8-4 is ensured to be more than 3-5 times of the area of the cold-end base plate 8-3, and therefore the heat dissipation effect of the cold end of the temperature difference power generation device is improved.
The cold end base plate 8-3 is provided with a buckle 8-3-1, the buckle 8-3-1 and the cold end base plate 8-3 are connected or integrated by welding, the buckle 8-3-1 is a box-type buckle, and the buckle 8-3-1 is matched with a buckle ring 1-4 on the furnace body 1 to tightly fix the temperature difference power generation device 8 and the furnace body 1 together. The specific dimensions of the snap 8-3-1 are determined by the distance of the cold end base plate 8-3 to the snap ring 1-4. The number of the buckles 8-3-1 is at least more than four, is related to the length of the furnace body bottom plate 1-2, and is symmetrically arranged on two sides along the length direction of the furnace body bottom plate 1-2. The thickness of the cold end substrate 8-3 is 2 mm-5 mm, and the cold end substrate has certain strength requirement.
The charging and discharging device 9 comprises a boosting and voltage stabilizing module, a charging module, a voltage conversion module and an interface module (not shown in the figure) which are connected in sequence, the interface module comprises a plurality of USB interfaces and other electric equipment interfaces, the charging and discharging device 9 is connected with a peripheral circuit and is provided with a plurality of USB interfaces and other electric equipment interfaces, and the interface module is connected with a fan and an illuminating lamp and can also charge portable electronic equipment; the charging and discharging device 9 is placed on the object placing frame 6, so that operations such as charging and the like are convenient.
The furnace body 1 is fixed on the foot rest 2, and the foot rest 2 adopts the modes of threaded connection or bolt connection and the like, so that the disassembly and the installation are convenient, and the carrying is convenient; the roasting net 3 is arranged on the upper surface of the oven body 1 and is used for placing food materials to be cooked in the roasting process; the carbon net 4 is placed on the carbon net supports 1-3; the storage tray 5 is arranged at the side edge of the furnace body 1 and is used for placing barbecue tools or seasoning tools and the like, and the storage rack 6 is fixed at the lower end of the foot rest 2 and is used for placing a charging and discharging device 9 and other tools and the like; the top of a phase change heat storage tank 7-1 of the phase change heat storage device 7 is tightly attached to the outer side of a furnace body bottom plate 1-2 through heat conduction silicone grease, the bottom of the phase change heat storage tank 7-1 is connected with a heat collection plate 8-1 of a thermoelectric generation device 8, a buckle 8-3-1 is matched with a buckle ring 1-4 on the furnace body 1, the phase change heat storage device 7, the thermoelectric generation device 8 and the furnace body 1 are tightly fixed together, and a thermoelectric generation power supply connector 8-2-3 is electrically connected with a charging and discharging device 9. In order to further reduce the heat loss, a heat preservation layer (not shown in the figure) is added on the outer layer of the phase change heat storage tank 7-1 except the top, the bottom and the charging hole 7-1-1 for heat preservation treatment.
When the outdoor barbecue oven with the temperature difference phase change power generation function is used outdoors, carbon fire burns on the carbon net 4 to heat food to be cooked on the baking net 3; meanwhile, the heat of the furnace body 1 is transferred to the phase change heat storage material 7-3 through the furnace bottom 1-2 and the needle-shaped heat conduction fins 7-2, so that the phase change heat storage material 7-3 in the phase change heat storage tank 7-1 is subjected to phase change, the released heat is transferred to the heat collection plate 8-1 of the thermoelectric power generation device 8 through the phase change heat storage tank 7-1, transferred to the cold end through the hot ends of the plurality of thermoelectric power generation plate groups 8-2, then transferred to the cold end substrate 8-3 through the heat conduction silicone grease, and finally transferred to the natural environment through the cold end heat dissipation fins 8-4 in a convection and radiation mode. According to the Fourier heat conduction law, because the temperature of the furnace body bottom plate 1-2 is high, the temperature of the natural environment is low, and the thermoelectric generation sheets have large heat conduction resistance, enough temperature difference is inevitably formed at the cold end and the hot end of the plurality of thermoelectric generation sheet groups 8-2, thermoelectric generation is realized according to the Seebeck effect, and the electric quantity is stored in the charging and discharging device 9.
The temperature of the furnace body bottom plate 1-2 is stored and transferred through the phase change of the phase change heat storage material 7-3 in the phase change heat storage device 7 instead of being directly connected with the thermoelectric generation device 8, so that the temperature of the hot end of each thermoelectric generation piece of the thermoelectric generation device 8 is uniform, the power generation efficiency of the thermoelectric generation piece is improved, and the service life of the thermoelectric generation piece is prolonged; the phase-change heat storage material 7-3 stores part of heat combusted in the furnace body 1, so that the power generation time of the thermoelectric power generation piece is prolonged, the power generation amount is increased, and the heat efficiency of the device is improved; and the temperature distribution of the furnace body bottom plate 1-2 is relatively uniform under the action of the phase-change heat storage material 7-3, so that the carbon fire in the furnace body 1 is relatively uniform in combustion, and the carbon fire is favorably and fully combusted to reduce the influence on the environment.
The second embodiment is basically similar to the first embodiment in structure, and the difference is that: the cooling fin 8-4 at the cold end is composed of two or three cooling fin areas, each cooling fin area is square or approximately square, the short fins in each cooling fin area are arranged in a divergent or spiral mode, and a fan is arranged at the bottom of each cooling fin area. The fan adopts the mode of convulsions, takes out the hot-air in every radiating fin region for external cold air gets into from short fin all around, so as to reach the effect of reinforcing the heat dissipation. The fan is electrically connected to the charging and discharging device 9, and a power supply required for operation is supplied from the fan.
The third embodiment is basically similar to the first embodiment in structure, and the difference is that: the furnace body bottom plate 1-2 and the top plate of the phase change heat storage tank 7-1 of the phase change heat storage device 7 are of an integral structure, and the needle-shaped heat conduction fins are arranged on the lower side of the furnace body bottom plate 1-2 in a welding or integral mode, so that the contact heat conduction resistance between the furnace body bottom plate 1-2 and the phase change heat storage tank 7-1 can be reduced.
Claims (9)
1. The utility model provides an outdoor oven with thermoelectric generation function, characterized by: comprises a furnace body, foot frames, a baking net, a carbon net, a storage plate, a storage rack, a phase change heat storage device, a temperature difference power generation device and a charging and discharging device;
The oven body comprises four side plates, an oven body bottom plate, a carbon net support and clamping rings, the four side plates and the oven body bottom plate form a cavity of the barbecue oven, the oven body is wide at the top and narrow at the bottom, the oven body bottom plate is rectangular, the carbon net support is arranged on the side plates, and the clamping rings are fixed on the side surfaces of the side plates;
the phase-change heat storage device comprises a phase-change heat storage box, a needle-shaped heat conduction fin and a phase-change heat storage material, wherein a phase-change heat storage material feeding port is formed in the side surface of the phase-change heat storage box; a charging cover is arranged on the phase change heat storage material charging port, and the needle-shaped heat conduction fin is fixed at the top of the phase change heat storage box;
the thermoelectric power generation device comprises a heat collection plate, a thermoelectric power generation layer, a cold end substrate and a cold end fin; the heat collecting plate is a thin metal net coated with heat-conducting silicone grease, the thermoelectric generation layer comprises a plurality of thermoelectric generation sheet groups, a thermoelectric generation sheet mounting plate and a thermoelectric generation power supply connector, the plurality of thermoelectric generation sheet groups are fixedly mounted in the thermoelectric generation sheet mounting plate in an array arrangement mode, the plurality of thermoelectric generation sheet groups are connected to the thermoelectric generation power supply connector through wires, one side of the thermoelectric generation sheet mounting plate provided with the plurality of thermoelectric generation sheet groups is fixed to the heat collecting plate, and the other side of the thermoelectric generation sheet mounting plate is fixed to the cold end substrate;
A buckle is arranged on the cold end substrate, one side of the cold end substrate is closely attached to the plurality of thermoelectric generating units through heat-conducting silicone grease, cold end radiating fins are arranged on the other side of the cold end substrate, and the cold end radiating fins are arranged in a plurality of circles outwards from the center of the cold end substrate and are in a divergent shape around the center of the cold end substrate;
the charging and discharging device comprises a boosting and voltage stabilizing module, a charging module, a voltage conversion module and an interface module which are sequentially connected, wherein the interface module comprises a plurality of USB interfaces;
the furnace body is fixed on a foot rest, the foot rest is in threaded connection or bolted connection, the baking net is arranged on the upper surface of the furnace body, the carbon net is arranged on a carbon net support, the object placing plate is arranged on the side edge of the furnace body, the object placing frame is fixed at the lower end of the foot rest, the top of a phase change heat storage box of the phase change heat storage device is tightly attached to the outer side of a bottom plate of the furnace body through heat conduction silicone grease, the bottom of the phase change heat storage box is connected with a heat collecting plate of the temperature difference power generation device, a buckle is matched with a buckle ring on the furnace body, the temperature difference power generation device and the furnace body are tightly fixed together, and a temperature difference power supply connector is electrically connected with a voltage boosting and stabilizing module of the charge and discharge device.
2. The outdoor barbecue grill with thermoelectric generation function as recited in claim 1, wherein: the installation position of the phase-change heat storage material feeding port is higher than that of the furnace body bottom plate, the needle-shaped heat conduction fins are fixed to the top of the phase-change heat storage box in a welded fixing or integrated structure mode, and the phase-change heat storage material is an organic or inorganic phase-change energy storage material with the phase-change temperature of about 100-200 degrees.
3. The outdoor barbecue grill with thermoelectric generation function as recited in claim 1, wherein: the quantity of every thermoelectric generation piece group of group is 2 to 6 thermoelectric generation pieces, and all thermoelectric generation pieces in the group adopt the series connection mode to connect, arranges in same plane with parallelly connected mode between the thermoelectric generation piece group of plural number group, and the mounting hole has been arranged to the thermoelectric generation piece mounting panel, and the size of this mounting hole is unanimous with thermoelectric generation piece size, and is equipped with special wire in the thermoelectric generation piece mounting panel and arranges the channel.
4. The outdoor barbecue grill with the thermoelectric generation function as recited in claim 3, characterized in that: the temperature difference power generation sheet mounting plate is made of high-temperature-resistant plastics.
5. The outdoor barbecue grill with thermoelectric generation function as recited in claim 1, wherein: the cold end substrate and the cold end radiating fins are welded and fixed or integrally manufactured, and the cold end substrate is made of aluminum or copper; the number of the layers of the cold-end radiating fins is determined and arranged according to the width size of the cold-end substrate and the distance between the adjacent layers of fins.
6. The outdoor barbecue grill with the thermoelectric generation function as recited in claim 5, characterized in that: the cooling fins at the cold ends of the ring layers are short fins, the length of each fin is less than 20mm, the thickness of each fin is 0.1 mm-0.2 mm, and the height of each fin is not less than the length of each fin; the short fins at different positions on the cold end substrate adopt different installation angles: the outer ring layer fins on the cold end substrate are distributed in an oval shape, the angle between the radial center short fin and the plane of the cold end substrate is 0 degree, the angle between the axial center short fin and the plane of the cold end substrate is 90 degrees, the angle is gradually increased from 0 degree to about 45 degrees from the center to the four corners of the short fin along the axial direction of the cold end substrate, and the angle is gradually increased from about 45 degrees from the four corners to the center of the short fin along the radial direction of the cold end substrate; in the same circle layer, the number of fins of the inner circle layer is less than that of fins of the outer circle layer, and the fins are symmetrically arranged based on the center of the cold end substrate.
7. The outdoor barbecue grill with the thermoelectric power generation function as recited in claim 1, characterized in that: the buckle and cold junction base plate adopt welded connection or as an organic whole, and the buckle is box buckle, and the quantity of buckle is more than four, along furnace body bottom plate length direction symmetrical arrangement in both sides, and cold junction base plate thickness is 2mm ~ 5 mm.
8. The outdoor barbecue grill with the thermoelectric power generation function as recited in claim 1, characterized in that: the cold end radiating fin is composed of two or three radiating fin areas, each radiating fin area is square, short fins in each radiating fin area are arranged in a radiating mode or a spiral mode, a fan is arranged at the bottom of each radiating fin area, and the fan is electrically connected with the charging and discharging device.
9. The outdoor barbecue grill with the thermoelectric power generation function as recited in claim 1, characterized in that: the furnace body bottom plate and the top plate of the phase change heat storage box of the phase change heat storage device are of an integrated structure, and the needle-shaped heat conduction fins are arranged on the lower side of the furnace body bottom plate in a welding or integrated structure mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122883705.0U CN216628280U (en) | 2021-11-23 | 2021-11-23 | Outdoor barbecue oven with thermoelectric generation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122883705.0U CN216628280U (en) | 2021-11-23 | 2021-11-23 | Outdoor barbecue oven with thermoelectric generation function |
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| CN115264539A (en) * | 2022-07-22 | 2022-11-01 | 浙江鹿枫户外用品有限公司 | Furnace body structure and multi-functional outdoor furnace body |
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