Thermoelectric power generation deviceTechnical Field
The utility model relates to the technical field of energy, in particular to a thermoelectric generation device.
Background
The thermoelectric conversion technology is a technology for directly converting heat energy and electric energy by utilizing semiconductor materials, has a series of advantages of no noise, no harmful substance emission, high reliability, long service life and the like, and has too much waste heat available around us, such as waste steam heat, waste water heat, waste fire heat, solar heat and the like; today, where energy is increasingly intense, our desire for thermoelectric generation is more intense.
The chinese utility model of the grant publication No. CN 218301250U discloses a thermoelectric power generation device for heat-containing water discharge, which can generate power by using waste heat, but has a relatively complex structure and high manufacturing and maintenance costs. How to simplify and unitize the thermoelectric generation device is one of the technical problems to be solved in the field.
Disclosure of Invention
One of the purposes of the utility model is to overcome the defects in the prior art and provide a thermoelectric power generation device with simple structure and wide application occasions.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme:
the thermoelectric generation device comprises thermoelectric generation pieces, wherein the two sides of the thermoelectric generation pieces are provided with heat conducting parts and heat radiating parts in an attached mode, a heat insulating layer is arranged between the heat conducting parts and the heat radiating parts, through holes are formed in the heat insulating layer, the thermoelectric generation pieces are inlaid in the through holes of the heat insulating layer,
the heat dissipation device is characterized in that one side of the surface of the heat dissipation part is smooth, the heat dissipation part is attached to one side of the thermoelectric generation sheet, and the heat dissipation fins are arranged on the other side of the heat dissipation part, so that heat dissipation is facilitated.
According to one technical scheme of the utility model, the radiating fins are arranged at intervals.
According to one technical scheme of the utility model, the heat dissipation part is sleeved with the fixed cover.
According to one technical scheme of the utility model, the heat dissipation part and the heat conduction part are fixedly connected through screws by the fixing cover.
According to one technical scheme of the utility model, the fixing cover is provided with a through hole.
According to one technical scheme of the utility model, the radiating fins are provided with the radiating fans, and the radiating fans are fixed in the through holes of the fixed cover.
According to one technical scheme of the utility model, the heat dissipation part is made of aluminum alloy or copper.
The utility model utilizes the temperature difference between the heat conduction part and the heat dissipation part, and the waste heat energy is collected and converted into electric energy through the thermoelectric generation sheet, so that the resource saving is improved, the structure is simple, and the realization is easy. The heat-conducting part and the heat-radiating part are provided with the insulating layer in the middle, and the thermoelectric generation sheet is inlaid in the hole on the insulating layer, so that energy exchange between the heat-conducting part and the heat-radiating part through contact is effectively prevented, and energy loss is caused. The heat dissipation part is provided with a plurality of heat dissipation fins at intervals, so that the temperature difference between the heat dissipation and the heat conduction part is increased; furthermore, the heat dissipation fan is arranged on the heat dissipation fins, so that the temperature difference between the heat conduction part and the heat dissipation part is further increased, and the efficiency of thermoelectric power generation is improved. Compared with the existing thermoelectric power generation device, the heat dissipation part structure is used in the thermoelectric power generation device for the first time, so that the power generation efficiency is remarkably improved, the structure is simple, the manufacturing cost is low, the application occasions are wide, and unexpected power generation effects are achieved.
Drawings
FIG. 1 is an exploded view of the structure of the present utility model with heat sink removed;
fig. 2 is a schematic structural diagram of a heat dissipating part according to the present utility model.
Fig. 3 is a schematic structural view of the present utility model after removing the heat dissipating portion.
Detailed Description
For the purpose of facilitating an understanding of the embodiments of the present utility model, reference will now be made to the drawings, by way of example, and specific examples of which are illustrated in the accompanying drawings.
As shown in fig. 1 to 3, the thermoelectric power generation device 100 comprises a heat conduction part 120 and a heat dissipation part 121, a heat insulation layer 130 is arranged between the heat conduction part 120 and the heat dissipation part 121, a through hole 131 is formed in the heat insulation layer 130, and a thermoelectric power generation sheet 110 is embedded in the through hole 131 of the heat insulation layer; the surface of the heat dissipation part 121 is smooth, and is attached to one side of the thermoelectric generation sheet 100, and the other side is provided with a plurality of heat dissipation fins 140, wherein the heat dissipation fins 140 are arranged at intervals, so that heat dissipation is facilitated. The heat dissipation part 121 is sleeved with a fixed cover 150, a through hole 151 is formed in the fixed cover 150, and the fixed cover 150 fixedly connects the heat dissipation part 121 and the heat conduction part 120 through screws.
Further, the heat dissipation fan 160 is disposed on the heat dissipation fins 140, and the heat dissipation fan 160 is installed in the through hole 151 of the fixed cover 150 to cool the heat dissipation fins 140, thereby being more beneficial to accelerating heat dissipation of the heat dissipation portion, and further increasing the temperature difference between the heat dissipation portion and the heat conduction portion, and improving the power generation efficiency.
In the preferred embodiment of the present utility model, the heat dissipation part 121 is made of aluminum alloy or copper material with good heat dissipation performance.
In conclusion, the thermoelectric power generation equipment has the advantages of simple structure and low manufacturing and maintenance cost, and is beneficial to commercial popularization and use.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.