WO2023243816A1 - Générateur thermoélectrique, son procédé de fabrication et appareil de génération thermoélectrique équipé de celui-ci - Google Patents

Générateur thermoélectrique, son procédé de fabrication et appareil de génération thermoélectrique équipé de celui-ci Download PDF

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Publication number
WO2023243816A1
WO2023243816A1 PCT/KR2023/003564 KR2023003564W WO2023243816A1 WO 2023243816 A1 WO2023243816 A1 WO 2023243816A1 KR 2023003564 W KR2023003564 W KR 2023003564W WO 2023243816 A1 WO2023243816 A1 WO 2023243816A1
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Prior art keywords
air
heat dissipation
air distribution
thermoelectric generator
fin
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PCT/KR2023/003564
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English (en)
Korean (ko)
Inventor
김성민
현승봉
최원우
이학준
박시목
방성환
Original Assignee
성균관대학교산학협력단
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Publication of WO2023243816A1 publication Critical patent/WO2023243816A1/fr

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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
    • H10N10/01—Manufacture or treatment
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
    • H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
    • H10N10/80—Constructional details

Definitions

  • the present invention relates to a thermoelectric generator, a method of manufacturing the same, and a thermoelectric generator including the same.
  • thermoelectric element is a device that uses the thermoelectric phenomenon to convert thermal energy into electrical energy or electrical energy into thermal energy due to a temperature difference between both sides.
  • thermoelectric generator is a device that uses these thermoelectric elements to convert heat into electricity and recover power.
  • thermoelectric generator consists of a high-temperature heat exchange fin that exchanges heat with the high-temperature exhaust gas inside, and a low-temperature heat exchange fin through which low-temperature coolant flows outside the thermoelectric generator.
  • the high heat energy of the exhaust gas flowing inside is converted into thermoelectric energy. It must be efficiently delivered to the device.
  • the heat exchange fin of the high temperature part used in the related art does not sufficiently transfer the heat energy of the exhaust gas to the thermoelectric element, which causes a problem in that the efficiency of the thermoelectric element is reduced and the ability to recover power is reduced.
  • the problem with the conventional high-temperature heat exchange fin is that the temperature of the exhaust gas entering the inside is high at the inlet and heat exchange occurs as it moves toward the outlet, so the temperature of the exhaust gas decreases. Accordingly, the efficiency of the thermoelectric element placed at the inlet increases due to the large temperature difference, but the efficiency of the thermoelectric element placed at the outlet decreases due to the small temperature difference, making it difficult to obtain uniform efficiency throughout the thermoelectric element.
  • the present invention is intended to solve the problems of the prior art described above, and aims to provide a thermoelectric generator and a method for manufacturing the same.
  • thermoelectric generator including the thermoelectric generator.
  • thermoelectric generator including a heat dissipation fin, an air distribution fin, and an air flow path, wherein an air heat dissipation portion is disposed on one side of the heat dissipation fin.
  • a thermoelectric element is disposed on the other side of the heat dissipation fin, the air distribution fin is disposed in the direction of the one side of the heat dissipation fin, the air distribution fin is formed on a lower member, the lower member, and an internal space.
  • an air distribution unit dividing the air into at least two areas, and a wall portion formed on each of one side and the other side of the lower member, wherein the air flow path is disposed between the air heat dissipation unit and the air distribution unit. do.
  • the air distribution unit includes an air inlet formed on one side of the air distribution fin and an air outlet formed on the other side of the air distribution fin, and the air flowing into the air inlet is It may be discharged through the air discharge unit via the air heat dissipation unit, but is not limited thereto.
  • the air heat dissipation unit includes a heat dissipation substrate on which the thermoelectric element is installed on the other side of the heat dissipation fin; and a plurality of heat dissipation distribution fins formed on the heat dissipation substrate in the direction of one side of the heat dissipation fin, but are not limited thereto.
  • the air distribution unit includes an air distribution plate formed on each of one side and the other side of the air distribution fin, and connects the air distribution plate and divides the space inside the air distribution pin into two or more spaces. It may include, but is not limited to, a flow path separator plate.
  • the air passage includes an air inlet passage through which air flows in from the outside of the thermoelectric generator, an air discharge passage through which air is discharged from the inside of the thermoelectric generator, and the air inlet passage and the air. It may include, but is not limited to, an air distribution flow path connecting the discharge flow path.
  • one side of the air inlet may be open and the other side may be closed, and one side of the air outlet may be closed and the other side may be open, but are not limited thereto.
  • one surface of the air inlet and one surface of the air outlet may be disposed to face each other, but the present invention is not limited thereto.
  • the other surface of the air inlet and the other surface of the air outlet may be disposed to face each other, but are not limited thereto.
  • the air flowing into the inflow area formed by one surface of the air inlet and the air distribution unit passes through the air passage to the other surface of the air discharge part and the discharge area formed by the air distribution unit. It may be discharged, but is not limited to this.
  • thermoelectric element when the air flowing into the air inlet passes through the air passage, the thermoelectric element may be heated by the air and generate power, but is not limited thereto.
  • thermoelectric generator may further include a cooling unit, but is not limited thereto.
  • a method of manufacturing a thermoelectric generator according to the second aspect of the present invention includes: forming a wall portion on both sides of the lower member; forming an air distribution portion on the lower member to divide the internal space between the lower member and the wall portion into at least two regions; Installing a thermoelectric element on the other side of the heat dissipation substrate; forming a heat dissipation fin by forming a plurality of heat dissipation distribution fins on one side of the heat dissipation substrate; and forming an air flow path by disposing the air distribution fin on the one side direction of the heat dissipation fin.
  • forming the air distribution unit includes forming a structure including the air distribution plate on one side and the air distribution plate on the other side at both end portions of the flow path separation plate; and folding the structure around the air distribution plate on one side and the air distribution plate on the other side so that the flow path dividing plate divides the area between the lower member and the wall portions on both sides into at least two or more areas. It may include, but is not limited to this.
  • the structure may include a structure in which the air distribution plate and the flow path separation plate appear alternately, but is not limited thereto.
  • one side of the air inlet is open but the other side is closed by the air distribution plate on the one side
  • one side of the air discharge portion is closed but the other side is open by the air distribution plate on the other side.
  • the structure may be folded, but is not limited thereto.
  • the structure may be folded so that one side of the air inlet portion and one side of the air outlet portion face each other, and the other side of the air inlet portion and the other side of the air discharge portion face each other. It is not limited.
  • the angle formed by the heat dissipation distribution fin and the air distribution part may be 70° to 110°, but is not limited thereto.
  • the air flow path may include an air inflow path, an air distribution path, and an air discharge path formed by the air distribution fin and the heat dissipation distribution fin, but is not limited thereto.
  • thermoelectric generator including the thermoelectric generator according to the first aspect.
  • the thermoelectric generator may generate electricity by contact between the thermoelectric element and air introduced from the air inlet, but is not limited thereto.
  • thermoelectric generator had a disadvantage in that the temperature difference between the inlet and the outlet was large, resulting in low efficiency and large deviation of the thermoelectric element.
  • thermoelectric generator according to the present invention is composed of an air distribution fin and a heat dissipation fin and is manufactured in consideration of the air flow structure, it can compensate for the problems of low efficiency and temperature difference between the inlet and outlet of the conventional thermoelectric generator. You can.
  • thermoelectric generator according to the present invention has improved thermoelectric element efficiency compared to the conventional thermoelectric generator, allowing more power to be recovered through waste heat.
  • thermoelectric generator according to the present invention can be applied to various places where thermoelectric power generation is required, such as vehicles and plants.
  • thermoelectric generator because the heat exchange fin of a conventional thermoelectric generator does not sufficiently transfer the heat energy of high-temperature air to the thermoelectric element, the efficiency of the thermoelectric element disposed on the heat exchange fin is reduced, thereby reducing the power recovery ability.
  • the thermoelectric generator according to the present invention has a flow structure in which high-temperature air is distributed to each air heat dissipation fin due to the air distribution fin, and after a collision occurs in the area where the thermoelectric element is located, it flows out through the air discharge portion through the air heat dissipation fin. have Due to this air flow structure, a collision effect occurs in the thermoelectric element, thereby solving the problem of insufficient transfer of heat energy. As a result, power recovery ability increases, resulting in energy and cost savings.
  • thermoelectric generator 1 is a schematic diagram of a thermoelectric generator according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a thermoelectric generator according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a heat dissipation fin according to an embodiment of the present invention.
  • Figure 4 is a schematic diagram of a heat dissipation fin according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a heat dissipation fin according to an embodiment of the present invention.
  • Figure 6 is a schematic diagram of a heat dissipation fin according to an embodiment of the present invention.
  • Figure 7 is a schematic diagram of an air distribution pin according to an embodiment of the present invention.
  • Figure 8 is a schematic diagram of an air distribution pin according to an embodiment of the present invention.
  • Figure 9 is a schematic diagram of an air distribution pin according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of a thermoelectric generator according to an embodiment of the present invention.
  • FIG 11 is a schematic diagram of a thermoelectric generator according to an embodiment of the present invention.
  • Figure 12 is a diagram showing part of the process of forming an air distribution fin according to an embodiment of the present invention.
  • FIG. 13 is a flowchart of a method for manufacturing a thermoelectric generator according to an embodiment of the present invention.
  • FIG 14 is a schematic diagram of a thermoelectric generator according to an embodiment of the present invention.
  • the terms “about,” “substantially,” and the like are used to mean at or close to a numerical value when manufacturing and material tolerances inherent in the stated meaning are given, and are used to enhance the understanding of the present invention. Precise or absolute figures are used to assist in preventing unscrupulous infringers from taking unfair advantage of stated disclosures. Additionally, throughout the specification of the present invention, “a step of” or “a step of” does not mean a “step for”.
  • the term "combination thereof" included in the Markushi format expression means a mixture or combination of one or more selected from the group consisting of the components described in the Markushi format expression, It means containing one or more selected from the group consisting of constituent elements.
  • thermoelectric generator of the present invention and its manufacturing method will be described in detail with reference to implementation examples, examples, and drawings.
  • the present invention is not limited to these embodiments, examples, and drawings.
  • the first aspect of the present invention is a thermoelectric generator 10 including a heat dissipation fin 200, an air distribution fin 100, and an air flow path 300, the heat dissipation fin 200 ), an air heat dissipation unit is disposed on one side, a thermoelectric element 230 is disposed on the other side of the heat dissipation fin 200, and an air distribution fin 100 is disposed in the direction of one side of the heat dissipation fin 200, and air distribution The fin 100 is formed on the lower member 140, the air distribution part 101 that divides the internal space into at least two areas, and one side and the other of the lower member 140.
  • a thermoelectric generator 10 is provided, including wall portions formed on each side, and the air flow path 300 is disposed between the air heat radiation portion and the air distribution portion 101.
  • thermoelectric generators 1, 2, 10, 11, and 14 are schematic diagrams of a thermoelectric generator according to an embodiment of the present invention
  • FIGS. 3 to 6 are schematic diagrams of a heat dissipation fin according to an embodiment of the present invention.
  • 7, 8, and 9 are schematic diagrams of air distribution fins according to an embodiment of the present invention
  • Figure 12 is a diagram showing a part of the formation process of the air distribution fins according to an embodiment of the present invention
  • Figure 13 is a flowchart of a method for manufacturing a thermoelectric generator according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of the air distribution part 101 of the air distribution pin 100, which shows the structure of the air distribution part 101 when the wall portion is not formed on the lower member 140, as will be described later.
  • FIGS. 8 and 5B are cross-sections A-A and B-B of FIG. 7.
  • FIG. 8 shows the other side 122 of the air inlet 120
  • FIG. 9 shows one side 131 of the air outlet 130 closed.
  • one side 121 of the air inlet 120 and the other side 132 of the air outlet 130 are open structures.
  • the wave mark formed at one end of the indicator line in FIGS. 7, 5A, 9, 10, and 6B means that the corresponding area is an empty space.
  • thermoelectric generator 10 is formed by combining a heat dissipation fin 200 and an air distribution fin 100, and the following description may refer to FIGS. 1 to 13.
  • thermoelectric element is a device that converts thermal energy into electrical energy through a temperature difference between two sides, or uses a thermoelectric phenomenon that converts electrical energy into thermal energy.
  • a thermoelectric generator 10 is a device that recovers power by converting heat into electricity using such thermoelectric elements.
  • This thermoelectric generator 10 includes a high-temperature heat exchange fin that exchanges heat with the high-temperature exhaust gas inside, a low-temperature heat exchange fin through which low-temperature coolant flows outside the thermoelectric generator 10, etc.
  • the high thermal energy of the exhaust gas flowing inside must be efficiently transferred to the thermoelectric element.
  • the heat exchange fin of the high temperature portion used in the conventional thermoelectric generator 10 has the disadvantage of not sufficiently transferring the heat energy of the exhaust gas to the thermoelectric element.
  • the air entering the inlet of the heat exchange fin exchanges heat during the movement process, which reduces the temperature of the exhaust gas.
  • the efficiency of the thermoelectric element placed at the inlet increases due to the high temperature difference, but the thermoelectric element placed at the outlet increases. There is a problem of reduced efficiency due to the small temperature difference.
  • thermoelectric generator 10 generates thermoelectric power between the thermoelectric element 230 on the inlet side and the thermoelectric element 230 on the outlet side by separating the flow path through which air flows in and the air discharge path.
  • the efficiency gap can be reduced.
  • the thermoelectric generator 10 includes a heat dissipation fin 200, an air distribution fin 100, and an air flow path 300 formed by contact between the heat dissipation fin 200 and the air distribution fin 100. It can be done, but is not limited to this.
  • thermoelectric generator 10 includes a heat dissipation fin 200 and an air distribution fin 100. As will be described later, the thermoelectric generator according to the present invention may include at least one thermoelectric generator 10.
  • the heat dissipation fin 200 may have an air heat dissipation portion disposed on one side and a thermoelectric element 230 may be disposed on the other side, but is not limited thereto. no.
  • the air heat dissipation unit includes a heat dissipation substrate 210 on which a thermoelectric element 230 is installed on the other side of the heat dissipation fin 200; and a plurality of heat dissipation distribution fins 220 formed on the heat dissipation substrate 210 in the direction of one side of the heat dissipation fin 200, but are not limited thereto.
  • the heat dissipation distribution fins 220 are formed on the heat dissipation substrate 210 at regular intervals. As will be described later, the heat dissipation distribution fins 220 are in contact with the air distribution portion 101 of the air distribution fin 100, and the heat dissipation distribution fins 220 are in contact with the air distribution portion 101 of the air distribution fin 100.
  • the area between 220 is an air distribution passage 320 that connects the air inlet passage 310 with the air discharge passage 330.
  • the heat dissipation fin 200 may include a heat dissipation substrate 210 with a thermoelectric element 230 disposed on the other side and a plurality of heat dissipation distribution fins 220 on one side, and the heat dissipation fin 200
  • the heat dissipation distribution fin 220 may be arranged to contact the air distribution fin 100, but is not limited thereto.
  • the air distribution pin 100 includes a lower member 140, an air distribution portion 101 formed on the lower member 140 and dividing the internal space into at least two or more areas, and wall portions formed on one side and the other side of the lower member 140, but are not limited thereto.
  • the wall portion 112 on one side and the wall portion 113 on the other side are formed on the outermost sides of both sides of the lower member 140, and together with the air distribution portion 101, occupy the internal space at least. It can be divided into two or more areas.
  • the air distribution unit 101 includes an air inlet 120 formed on one side of the air distribution pin 100 and an air outlet 130 formed on the other side of the air distribution pin 100. It includes, and the air flowing into the air inlet 120 may pass through the air heat dissipation unit and be discharged through the air discharge unit 130, but is not limited thereto.
  • the air distribution unit 101 may include a zone dividing plate 110 and an air distribution plate, but is not limited thereto.
  • the air distribution unit 101 has a structure in which the area dividing plate 110 and the air distribution plate appear alternately, and the air distribution plate is connected to the other side 122 of the air inlet 120 and one side of the air outlet 130. It can be formed by folding relative to the air distribution plate to close (131).
  • the air distribution unit 101 refers to what is formed on the lower member 140, and the air inlet 120 and air outlet 130 refer to areas divided by the air distribution unit 101.
  • the zone divider plate 110 and the air distribution plate refer to members constituting the air distribution unit 101.
  • the structure including the zone divider plate 110 and the air distribution plate is folded to form the air distribution portion. (101) can be formed.
  • the region dividing plate 110 includes a flow path dividing plate 111 and a wall portion, and the wall portion may include a wall portion 112 on one side and a wall portion 113 on the other side.
  • the area dividing plate 110 divides one side and the other side, and the wall portion separates the inside and outside of the thermoelectric generator 10, and the flow path dividing plate 111 separates the air inlet flow path 310 and the air discharge flow path 330. It can be separated.
  • the air distribution pin 100 may include a lower member 140 and an air distribution unit 101.
  • an air inlet 120 is formed on one side of the air distribution pin 100, and an air outlet 130 is formed on the other side of the air distribution pin 100, and the air passing through the thermoelectric generator 10 is formed. Air may move along a path passing through the air inlet 120, the air radiator, and the air outlet 130.
  • one side 121 of the air inlet 120 is open, the other side 122 is closed, and one side 131 of the air outlet 130 is closed, and the other side 132 is closed.
  • ) may be open, but is not limited thereto.
  • one surface 121 of the air inlet 120 and one surface 131 of the air outlet 130 may be disposed to face each other, but are not limited thereto.
  • the other surface 122 of the air inlet 120 and the other surface 132 of the air outlet 130 may be disposed to face each other, but are not limited thereto.
  • the description of the one side 121 and the other side 122 of the air inlet 120 and the one side 131 and the other side 132 of the air outlet 130 are one side of the air inlet 120. It may also be expressed as a region and other regions, and as one region and another region of the air discharge unit 130.
  • the air inlet 120 and the air outlet 130 have open and closed parts alternating with each other, and the open part of the air inlet 120 and the closed part of the air outlet 130 face each other. , the closed portion of the air inlet 120 and the open portion of the air outlet 130 are opposed to each other.
  • one side 121 of the air inlet 120 is open and the other side 122 is closed, and one side 131 of the air outlet 130 is closed and the other side is closed. (132) is open and may be arranged so that the open side and the closed side face each other.
  • the air introduced through one surface 121 of the air inlet 120 is the space formed by the contact between the heat dissipation fin 200 and the air distribution fin 100, and more specifically, the heat dissipation distribution fin 220 and the air distribution fin 220. It may be discharged through the other surface 132 of the air discharge unit 130 through the air passage 300 formed by contact with the distribution portion 101.
  • the air distribution unit 101 includes an air distribution plate formed on each of one side and the other side of the air distribution pin 100, and a space inside the air distribution pin 100 that connects the air distribution plates. It may include a flow path separation plate 111 that divides the space into two or more spaces, but is not limited thereto.
  • the air distribution plate closes the other side 122 of the air inlet 120 and one side 131 of the air outlet 130, but closes one side 121 of the air inlet 120 and the other side 131 of the air outlet 130. It is formed to open (132).
  • the flow path separation plate 111 is used to separate the air flow paths 300, which will be described later, and prevents one side 121 of the air inlet 120 and the other side 132 of the air outlet 130 from directly communicating with each other. It is for this purpose.
  • the air distribution pin 100 may include a lower member 140, an air distribution plate, and a zone dividing plate 110, and the air distribution unit may include an air distribution plate and a zone dividing plate 110.
  • the lower member 140 has an air distribution portion 101 formed at the upper portion, and the upper surface of the lower member 140 and one side of the heat dissipation fin 200 are arranged to face each other. You can.
  • thermoelectric generators are generally applied to vehicles and plants, the empty space is a space where the shaft is connected to fix the thermoelectric generator, and serves as a distribution guide for high temperature exhaust gas to move from the inlet to the thermoelectric generator (10). It is a space to practice.
  • the air flow path 300 includes an air inlet flow path 310 through which air flows in from the outside of the thermoelectric generator 10, and an air discharge path through which air is discharged from the inside of the thermoelectric generator 10. It may include (330), and an air distribution flow path (320) connecting the air inlet flow path (310) and the air discharge flow path (330), but is not limited thereto.
  • the air flowing into the inlet area formed by the one surface 121 of the air inlet 120 and the air distribution unit 101 passes through the air flow path 300 to the air outlet 130. It may be discharged to the discharge area formed by the other side 132 and the air distribution unit 101, but is not limited thereto.
  • the air inlet flow path 310 is formed by one side 121 of the air inlet 120, the flow path separator 111, and one side 131 of the air outlet 130. It is a flow path, and the air discharge flow path 330 refers to a flow path formed by the other surface 132 of the air discharge unit 130, the flow path separator plate 111, and the other surface 122 of the air inlet 120.
  • the air flowing in through one side 121 of the air inlet 120 is directed to the air outlet 130.
  • thermoelectric generator 10 is formed between the air inlet flow path 310 and the air discharge flow path 330, and the air distribution path formed by contact between the flow path separator plate 111 and the heat dissipation distribution pin 220 ( 320), and the air distribution passage 320 refers to an area between the heat dissipation distribution fins 220. That is, the air flowing into the air inflow passage 310 may move to the air discharge passage 330 through the air distribution passage 320.
  • thermoelectric element 230 may be heated by the air and generate power, but is limited thereto. That is not the case.
  • High-temperature air introduced through one surface 121 of the air inlet 120 may collide with or contact the heat dissipation substrate 210 of the heat dissipation fin 200 while passing through the air distribution passage 320.
  • the thermoelectric element 230 is present on the other side of the heat dissipation substrate 210, the heat dissipation substrate 210 is heated in the process of moving the high temperature air, and the heated heat dissipation substrate 210 is connected to the thermoelectric element 230. ) can provide a heat source for power generation.
  • the angle formed by the heat dissipation distribution fin 220 and the air distribution part 101 may be 70° to 110°, but is not limited thereto.
  • the heat dissipation distribution pin 220 and the air distribution part 101 must contact each other to form an air distribution passage 320.
  • the heat dissipation distribution fin 220 and the air distribution unit 101 specifically the heat dissipation distribution fin 220 and the flow path separator plate 111, are parallel to each other, the air distribution flow path 320 is not formed.
  • the angle formed by the heat dissipation distribution fin 220 and the air distribution unit 101 may be 70° to 110°.
  • the angle between the heat dissipation distribution pin 220 and the air distribution unit 101 need only be staggered so that the air distribution passage 320 can be formed, and if the air distribution passage 320 is not formed, the inflow A problem occurs in which the contaminated air cannot be discharged.
  • thermoelectric generator 10 of FIGS. 1 and 2 is a combination of an air radiating fin 200 and an air distribution fin 100 having a hexagonal cross-section, but the thermoelectric generator 10 according to the present invention has a cross-section as necessary.
  • the air radiating fin 200 and the air distribution fin 100 having a circular or polygonal shape may be combined.
  • thermoelectric generator may further include a cooling unit, but is not limited thereto.
  • thermoelectric generator 10 produces power through temperature differences, so if high temperature air is continuously supplied to the thermoelectric generator 10, the thermoelectric element 230 may overheat and the thermoelectric effect may decrease, resulting in a decrease in power generation. there is.
  • the cooling unit may be formed on the other side of the heat dissipation fin 200, that is, on the top of the thermoelectric element 230, and the structure of the cooling unit/thermoelectric element/heat dissipation substrate/heat dissipation distribution fin.
  • the heat dissipation distribution fin 220 may be formed to contact the air distribution unit 101.
  • the temperature of the air flowing into the thermoelectric generator 10 may be 150°C to 500°C, and the temperature of the refrigerant in the cooling unit may be 20°C to 40°C, but are not limited thereto.
  • the temperature of the air flowing into the thermoelectric generator 10 is about 150°C to about 500°C, about 175°C to about 500°C, about 200°C to about 500°C, about 250°C to about 500°C, about 300°C.
  • °C to about 500 °C may be about 250 °C to about 350 °C, or about 300 °C, but is not limited thereto.
  • the temperature of the refrigerant in the cooling unit is about 20°C to about 40°C, about 25°C to about 40°C, about 30°C to about 40°C, about 35°C to about 40°C, about 20°C to about 25°C, about 20°C. It may be, but is not limited to, °C to about 30°C, about 20°C to about 35°C, about 25°C to about 35°C, or about 30°C.
  • the temperature of the air discharged from the thermoelectric generator 10 may be 50°C to 200°C, but is not limited thereto.
  • the temperature of the air discharged from the thermoelectric generator 10 is about 50°C to about 200°C, about 75°C to about 200°C, about 100°C to about 200°C, about 125°C to about 200°C, about 150°C.
  • °C to about 200 °C is about 175 °C to about 200 °C, about 50 °C to about 75 °C, about 50 °C to about 100 °C, about 50 °C to about 125 °C, about 50 °C to about 150 °C, about 50 °C It may be about 175°C, about 75°C to about 175°C, about 100°C to about 150°C, or about 175°C, but is not limited thereto.
  • a second aspect of the present invention is a method of manufacturing a thermoelectric generator 10 manufactured by the method according to the first aspect, comprising: forming wall portions on both sides of the lower member 140; forming an air distribution unit 101 on the lower member 140, dividing the internal space between the lower member 140 and the wall portion into at least two or more areas; Installing a thermoelectric element 230 on the other side of the heat dissipation substrate 210; Forming a heat dissipation fin 200 by forming a plurality of heat dissipation distribution fins 220 on one side of the heat dissipation substrate 210; and forming an air flow path 300 by disposing the air distribution unit 101 on one side of the heat dissipation fin 200.
  • the lower member 140, the wall portion, and the air distribution portion 101 may be collectively referred to as the air distribution pin 100.
  • thermoelectric generator 10 According to the second aspect of the present invention, detailed description of parts overlapping with the first aspect of the present invention has been omitted. However, even if the description is omitted, the first aspect of the present invention The contents described can be equally applied to the second aspect of the present invention.
  • FIG. 12 is a flowchart of a method of manufacturing a thermoelectric generator 10 according to an embodiment of the present invention
  • FIG. 13 is a diagram showing a portion of the formation process of the air distribution fin 100 according to an embodiment of the present invention.
  • the air distribution unit 101 of FIG. 13 represents the minimum unit of the area dividing plate 110.
  • wall portions are formed on both sides of the lower member 140 (S110).
  • an air distribution unit 101 is formed on the lower member 140 to divide the space between the lower member 140 and the wall portion into at least two or more areas (S120).
  • the process of forming the wall portion and the air distribution portion 101 on the lower member 140 may be referred to as the forming process of the air distribution fin 100.
  • the step of forming the air distribution unit 101 includes forming an air distribution plate 122' on one side and an air distribution plate 131' on the other side at both end portions of the flow path separation plate 111. forming a structure containing; and an air distribution plate 122' on one side and an air distribution plate 131' on the other side so that the flow path separation plate 111 divides the area between the lower member 140 and the wall portions on both sides into at least two areas. It may include, but is not limited to, folding the structure to the center. In this regard, when the structure is folded, it becomes the air distribution unit 101, and the form in which the air distribution unit 101 is not folded around the air distribution plate can be called a structure.
  • the air distribution pin 100 may be composed of an air inlet 120 and an air outlet 130, and a lower member 140 and a wall portion formed on the lower member 140 and an air outlet. It may also be configured as distribution 101.
  • the air inlet 120 and the air outlet 130 are divided into one side and the other side of the air distribution pin 100, that is, an area where air flows into or out of the air distribution pin 100, and the lower part
  • the member 140, the wall portion, and the air distribution portion 101 are structurally separated.
  • the structure may include a structure in which air distribution plates and flow path separation plates 111 appear alternately, but is not limited thereto.
  • the step of forming the wall portion may be omitted, but is not limited thereto.
  • the wall portions formed at both ends of the structure separate the inner and outer regions of the air distribution fin 100 and may perform the same role as the flow path separation plate 111.
  • the flow path separation plate 111 that is not formed at both ends of the structure divides the area inside the air distribution pin 100, and the wall portion divides the inside and outside of the air distribution pin 100, and distributes the air.
  • the plate may close the other side 122 of the air inlet 120 and/or the one side 131 of the air outlet 130.
  • the wall portion and the flow path separation plate 111 may be collectively referred to as the area dividing plate 110, and the area dividing plate 110 and the air distribution plate may be collectively referred to as the air distribution unit 101.
  • one side 121 of the air inlet 120 is opened by the air distribution plate 122' on one side, but the other side is closed by the air distribution plate 131' on the other side.
  • the structure may be folded so that one side 131 of the air discharge unit 130 is closed and the other side is open, but is not limited thereto.
  • one side 121 of the air inlet 120 and one side 131 of the air outlet 130 face each other, and the other side 122 of the air inlet 120 and the air
  • the other surfaces 132 of the discharge unit 130 may be folded so that they face each other, but are not limited thereto.
  • the process of forming the wall portion on both sides of the lower member 140 can be omitted.
  • the process of forming the wall portion is omitted, when forming the air distribution fin 100, it must be folded so that the wall portion is formed.
  • the air distribution plate 122' on one side closes a part of the air inlet 120, which is one side of the air distribution pin 100, and is specifically a plate that closes the other side 122 of the air inlet 120.
  • the air distribution plate 131' on the other side closes a part of the air discharge portion 130, which is the other side of the air distribution pin 100, and is specifically a plate that closes one side 131 of the air discharge portion 130. means.
  • the structures can be folded so that they face each other.
  • FIG. 12 is a diagram illustrating the formation of the air distribution unit 101 on the lower member 140 in which the wall portion is not formed, before the air distribution unit 101 is formed, that is, in the non-folded structure. It expresses only the minimum unit.
  • the structure has an air distribution plate 122' on one side of the flow path separation plate 111, an air distribution plate 131' on the other side on the other side, and an air distribution plate 122 on one side. '), the wall portion 112 on one side may be located on one side, and the wall portion 113 on the other side may be located on the other side of the air distribution plate 131'.
  • the structure can be folded based on the air distribution plate 122' on one side and the air distribution plate 131' on the other side. At this time, the air distribution plate 122' on one side closes the other side 122 of the air inlet 120, and the air distribution plate 131' on the other side closes one side of the discharge section.
  • the flow path separation plate 111 formed between them can distinguish the air inlet flow path 310 and the air discharge flow path 330.
  • the flow path separator plate 111 may be formed so that the upper cross sections of the air inlet flow path 310 and the air discharge flow path 330 include a shape selected from the group consisting of trapezoid, square, and combinations thereof, but is not limited thereto. no.
  • thermoelectric element 230 is installed on the other side of the heat dissipation substrate 210 (S210).
  • a plurality of heat dissipation distribution fins 220 are formed on one side of the heat dissipation substrate 210 to form the heat dissipation fin 200 (S220).
  • the steps of forming the heat dissipation fin 200 and the steps of forming the air distribution fin 100 may be performed simultaneously or sequentially.
  • the heat dissipation fin 200 may be manufactured simultaneously with the air distribution fin 100, or may be manufactured before or after manufacturing the air distribution fin 100.
  • one side of the heat dissipation substrate 210 may be in contact with the air distribution fin 100.
  • an air flow path 300 is formed by disposing the air distribution fin 100 on one side of the heat dissipation fin 200.
  • the air flow path 300 may be formed when the heat dissipation distribution fin 220 of the heat dissipation fin 200 and the air distribution fin 100 contact each other.
  • the air passage 300 includes an air inlet passage 310, an air distribution passage 320, and an air discharge passage formed by the air distribution pin 100 and the heat dissipation distribution pin 220. It may include (330), but is not limited thereto.
  • the angle formed by the heat dissipation distribution fin 220 and the air distribution part 101 may be 70° to 110°, but is not limited thereto.
  • the air flow path 300 When the air flow path 300 is formed, the air flows to one side 121 of the air inlet 120 of the thermoelectric generator 10, the area between the heat dissipation distribution fins 220, and the other side 132 of the air outlet 130. ) can be moved.
  • thermoelectric generator (1) comprising the thermoelectric generator (10) according to the first aspect.
  • the thermoelectric generator 1 may generate electricity by contact between the thermoelectric element 230 and air introduced from the air inlet 120, but is not limited thereto.
  • thermoelectric generator means that it includes at least one thermoelectric generator 10, and may have a structure in which the thermoelectric generators 10 are installed in series or in parallel.
  • the thermoelectric generator 10 may be a combination of a heat dissipation fin 200 and an air distribution fin 100.
  • the minimum unit of the thermoelectric generator 10 is an air distribution fin 100 and a heat dissipation fin 200 combined vertically, and one side and the other side of the minimum unit are attached to form the thermoelectric generator 10. ) can be configured.
  • thermoelectric generator 10 Both the minimum unit and the combination of a plurality of minimum units can be referred to as the thermoelectric generator 10.
  • the minimum unit of the thermoelectric generator 10 is referred to as the thermoelectric generator 10
  • a combination of a plurality of minimum units is referred to as a thermoelectric generator. It can be called At this time, the thermoelectric generator may include not only a structure in which six thermoelectric generators 10 are combined as shown in FIG. 2, but also a structure in which two or more thermoelectric generators 10 are combined.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Abstract

La présente invention concerne un générateur thermoélectrique comprenant des ailettes de dissipation de chaleur, des ailettes de distribution d'air et des trajets d'écoulement d'air, les ailettes de dissipation de chaleur comportant chacune une partie de dissipation de chaleur d'air disposée sur leur surface latérale, des éléments thermoélectriques disposés sur leur autre surface latérale, et des ailettes de distribution d'air disposées dans la direction de leur surface latérale ; les ailettes de distribution d'air comprenant des éléments inférieurs, des parties de distribution d'air formées sur les éléments inférieurs et divisant l'espace intérieur en au moins deux zones, et des parties de paroi formées respectivement sur une surface latérale et l'autre surface latérale de l'élément inférieur ; et des trajets d'écoulement d'air étant disposés entre la partie de dissipation de chaleur d'air et les parties de distribution d'air.
PCT/KR2023/003564 2022-06-15 2023-03-17 Générateur thermoélectrique, son procédé de fabrication et appareil de génération thermoélectrique équipé de celui-ci WO2023243816A1 (fr)

Applications Claiming Priority (2)

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KR20220072574 2022-06-15
KR10-2022-0072574 2022-06-15

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WO2023243816A1 true WO2023243816A1 (fr) 2023-12-21

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006214350A (ja) * 2005-02-03 2006-08-17 Toyota Motor Corp 熱電発電装置
JP2009278767A (ja) * 2008-05-14 2009-11-26 Toyota Motor Corp 熱交換器、熱電発電装置、及び、熱交換器の製造方法
JP2010275872A (ja) * 2009-05-26 2010-12-09 Isuzu Motors Ltd 熱電ユニット
JP2012199356A (ja) * 2011-03-22 2012-10-18 Toyota Industries Corp 基板装置
KR102083611B1 (ko) * 2019-04-25 2020-03-02 엘지이노텍 주식회사 열변환장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006214350A (ja) * 2005-02-03 2006-08-17 Toyota Motor Corp 熱電発電装置
JP2009278767A (ja) * 2008-05-14 2009-11-26 Toyota Motor Corp 熱交換器、熱電発電装置、及び、熱交換器の製造方法
JP2010275872A (ja) * 2009-05-26 2010-12-09 Isuzu Motors Ltd 熱電ユニット
JP2012199356A (ja) * 2011-03-22 2012-10-18 Toyota Industries Corp 基板装置
KR102083611B1 (ko) * 2019-04-25 2020-03-02 엘지이노텍 주식회사 열변환장치

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