WO2010090350A1 - Générateur électrique - Google Patents

Générateur électrique Download PDF

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Publication number
WO2010090350A1
WO2010090350A1 PCT/JP2010/052121 JP2010052121W WO2010090350A1 WO 2010090350 A1 WO2010090350 A1 WO 2010090350A1 JP 2010052121 W JP2010052121 W JP 2010052121W WO 2010090350 A1 WO2010090350 A1 WO 2010090350A1
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WIPO (PCT)
Prior art keywords
thin
plate heat
thermoelectric conversion
shaped plate
heat device
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PCT/JP2010/052121
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English (en)
Japanese (ja)
Inventor
貴弘 小田
Original Assignee
ティーエス ヒートロニクス株式会社
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Application filed by ティーエス ヒートロニクス株式会社 filed Critical ティーエス ヒートロニクス株式会社
Priority to JP2010549551A priority Critical patent/JP5478518B2/ja
Publication of WO2010090350A1 publication Critical patent/WO2010090350A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/0233—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes the conduits having a particular shape, e.g. non-circular cross-section, annular
    • 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
    • H10N10/13—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the heat-exchanging means at the junction

Definitions

  • the present invention relates to a power generation apparatus that can increase a power generation amount using a thermoelectric conversion element and a thin plate heat device between a heat source and a cooling mechanism of the present apparatus.
  • thermoelectric conversion elements are roughly classified into thermoelectric conversion elements and Peltier elements.
  • a thermoelectric conversion element is an element that directly converts thermal energy into electric power by using a Seebeck effect that generates a thermoelectromotive force between both ends by giving a temperature difference to both ends of the thermoelectric conversion element.
  • thermoelectric conversion element different thermoelectric conversion materials of a P-type semiconductor and an N-type semiconductor are placed in parallel, the elements are electrically connected in series, and an external load is connected to form a closed circuit.
  • the Peltier element is a closed circuit in which P-type semiconductor and N-type semiconductor different thermoelectric conversion materials are placed in parallel, the elements are electrically connected in series, and an external load is connected.
  • a current is passed through the circuit in one direction, heat is released or absorbed at the junction between the P-type semiconductor and the N-type semiconductor depending on the current direction. This phenomenon is called the Peltier effect.
  • the current direction is changed, heat dissipation and heat absorption are reversed.
  • thermoelectric conversion element In the Peltier element, the direction of the joint is aligned, and when a direct current is passed, one side of the Peltier element becomes the heat absorption side, that is, the low temperature side, and the other side becomes the heat dissipation side, that is, the high temperature side. In many cases, the heat absorption side is used for cooling or temperature control.
  • the thermoelectric conversion element and the Peltier element have almost the same basic configuration, depending on whether the Seebeck effect is used to generate power or the element is fed and cooled by the Peltier effect.
  • solder layers 3 for bonding are formed on both ends of a pillar 1 made of a P-type semiconductor and a pillar 2 made of an N-type semiconductor, and the pillars are alternately arranged.
  • the solder layer 3 is melted and bonded by reflowing with the insulating substrate 4 having the upper and lower electrode layers 5 formed between the aligned columns.
  • the power conducting wire 7 is connected to the lead electrode portion 6 at the end of the Peltier element A to complete the thermoelectric conversion element A.
  • the endothermic side A1 of the thermoelectric conversion element A is attached to the heat source 8 via a material having a high thermal conductivity (not shown) such as heat conduction grease as shown in FIG.
  • the heat absorption side of the thermoelectric conversion element A absorbs heat, and the cooling side A2 of the thermoelectric conversion element A is cooled.
  • thermoelectric conversion element A power generation device in which a thermoelectric conversion element and a heat pipe are combined is disclosed in Japanese Patent Laid-Open No. 2001-282396.
  • a method is disclosed in which one end of the heat pipe is brought into contact with a heat source, one surface of the thermoelectric conversion element is brought into contact with the other end of the heat pipe, and the other surface of the thermoelectric conversion element is brought into contact with a cooling mechanism.
  • the surface area for arranging the thermoelectric conversion element cannot be secured, and the heat resistance of the portion that transports heat is increased by making the cross-sectional shape of the heat pipe square. The temperature of the contact surface does not rise, and sufficient power generation cannot be obtained.
  • Japanese Patent Application Laid-Open No. 2008-143432 There is one disclosed in Japanese Patent Application Laid-Open No. 2008-143432.
  • thermoelectric conversion element Since the cross section of a normal heat pipe is circular and the contact surface of the thermoelectric conversion element is a flat surface, the heat pipe is crushed and formed into a flat surface, or a heat receiving plate is placed between the heat pipe and the thermoelectric conversion element. It is common to provide it. However, in this method, the temperature of the contact surface with the thermoelectric conversion element does not rise as described above, and a sufficient amount of power generation cannot be obtained. Further, in order to bend the heat pipe, a bend R having a diameter of at least about 3 times is necessary, and when the space is narrow, it is necessary to reduce the diameter of the pipe. Therefore, the amount of heat transport is small, and the contact surface with the thermoelectric conversion element is small, so that a sufficient amount of power generation cannot be obtained.
  • thermoelectric conversion element in order to increase the contact area with the thermoelectric conversion element, it is necessary to arrange a plurality of heat pipes in parallel. However, it is difficult to obtain flatness with the same shape, and it is difficult to increase the contact area.
  • the power generator described above in the prior art has the following problems because it has the above-described configuration and operation. That is, there is a problem that when the thermoelectric conversion element is sandwiched between the heat source and the cooling mechanism, a sufficient amount of power generation cannot be obtained.
  • the power generator according to the present invention was invented to solve the above-mentioned problems.
  • the high temperature side of the power generator is concerned.
  • the purpose is to efficiently convert the heat into electric power, which is constituted by the following configuration and means. That is, according to the first aspect of the present invention, a thin plate heat device with a built-in thin tunnel heat pipe, a standing portion and a bottom portion of the thin plate heat device are attached with heat conductive grease and direct current is applied. It is characterized by comprising a plurality of thermoelectric conversion elements provided with each lead wire to be taken out.
  • the thin L-shaped plate heat device having the small-diameter tunnel heat pipe built therein and the standing portion and the bottom portion of the thin L-shaped plate heat device are adhered with the heat conductive grease. And it comprised with the several thermoelectric conversion element provided with each lead wire which takes out a direct current, It is characterized by the above-mentioned.
  • a thin U-shaped plate heat device having a small tunnel heat pipe and a U-shaped portion of the thin U-shaped plate heat device are adhered to the inside of the U-shaped portion with heat conductive grease.
  • the thin tunnel heat pipe is incorporated between the other thin and substantially Z-shaped plate heat device and the other thin and substantially Z-shaped plate heat device. And a plurality of thermoelectric conversion elements each having a lead wire attached with heat conductive grease and taking out a direct current.
  • one thin substantially S-shaped plate heat device having a small tunnel heat pipe and another thin substantially S-shaped plate heat device orthogonal to the one thin substantially S-shaped plate heat device.
  • thermoelectric conversion elements provided.
  • the thin plate heat device which incorporated the small diameter tunnel heat pipe, and the at least 1 thermoelectric conversion element of this thin plate heat device.
  • at least one portion of the thin plate heat device is bent into a predetermined shape.
  • the invention according to claim 8 is characterized in that the other surface of the adhesion surface of the thermoelectric conversion element is adhered to the second thin plate heat device.
  • a thin plate heat device having a small-diameter tunnel heat pipe built therein, and a thin plate heat device that is attached to a standing part and a bottom part of the thin plate heat device with heat conductive grease, and a direct current
  • a power generation apparatus comprising a plurality of thermoelectric conversion elements each having a lead wire for taking out an electric current.
  • a thin L-shaped plate heat device having a small-diameter tunnel heat pipe built therein, and the thin L-shaped plate heat device are attached to the standing portion and the bottom portion with heat conductive grease.
  • a power generation device comprising a plurality of thermoelectric conversion elements each having a lead wire attached and taking out a direct current.
  • a thin U-shaped plate heat device having a small tunnel heat pipe and a U-shaped portion of the thin U-shaped plate heat device are adhered to the inside of the U-shaped portion with heat conductive grease.
  • a power generation device comprising a plurality of thermoelectric conversion elements each having a lead wire attached and taking out a direct current. Since this structure is adopted, in addition to the effect of the invention of claim 1, since the thin U-shaped plate heat device is provided, it becomes possible to arrange more thermoelectric conversion elements, and to reduce the power generation amount. It has the effect of increasing.
  • a thin tunnel heat pipe is incorporated between the other thin and substantially Z-shaped plate heat device and the other thin and substantially Z-shaped plate heat device.
  • a plurality of thermoelectric conversion elements each having a lead wire that is attached with heat conductive grease and takes out a direct current. Since it was such a structure, in addition to the effect of the invention of claim 1, since the other thin and substantially Z-shaped plate heat device was provided, the heat of the heat source was diffused by the thin plate heat device.
  • a plurality of thermoelectric conversion elements are disposed on the thin plate heat device, and the thermoelectric conversion element is further thermally connected to a cooling mechanism on a surface opposite to the surface in contact with the thin plate heat device.
  • one thin substantially S-shaped plate heat device having a small-diameter tunnel heat pipe and another thin shape perpendicular to the one thin substantially S-shaped plate heat device.
  • a power generation device comprising a plurality of thermoelectric conversion elements provided with wires.
  • thermoelectric conversion elements are arranged on the thin plate heat device to increase the power generation amount.
  • FIG. 1 is a perspective view showing a power generator as an embodiment of the power generator according to the present invention.
  • FIG. 2 is a perspective view of the thermoelectric conversion element in which a part of the insulating heat transfer plate of the thermoelectric conversion element applied to the power generation apparatus according to the present invention is broken.
  • FIG. 3 is a plan view of a thin plate heat device applied to the power generator according to the present invention.
  • FIG. 4 is a partially enlarged horizontal sectional view showing the internal structure of one example of the thin plate heat device of FIG.
  • FIG. 5 is a vertical sectional view showing another example of a thin plate heat device applied to the power generation apparatus according to the present invention.
  • FIG. 6 is a perspective view showing a power generation device as Example 1 of the power generation device according to the present invention.
  • FIG. 7 is a front view which shows the electric power generating apparatus as Example 2 of the electric power generating apparatus which concerns on this invention.
  • FIG. 8 is a perspective view showing a power generator as a third embodiment of the power generator according to the present invention.
  • FIG. 9 is a diagram showing a configuration of a thermoelectric conversion element used in a heat conduction device in the prior art.
  • FIG. 10 is a perspective view showing an example of a heat conduction device in the prior art.
  • FIG. 11 shows the fourth embodiment.
  • FIG. 12 is a diagram showing the first embodiment.
  • FIG. 13 is a diagram showing the second embodiment.
  • FIG. 14 is a diagram showing the third embodiment.
  • FIG. 15 is a diagram showing the fourth embodiment.
  • Thermoelectric conversion element B1 to B5 Thermoelectric conversion element c DC current direction E Power generation device F Power generation device G Power generation device H Power generation device 9 Load 10a Insulation heat transfer plate 10b Insulation heat transfer plate 11 Electrode layer 11a Lower electrode 11b Upper electrode 12 P type Semiconductor element 13 N-type semiconductor element 14 Lead wire 15 Thin plate heat device 15A Thin plate 15B Heat receiving portion 15C Heat radiation portion 16 Loop type meandering small diameter tunnel heat pipe 16a Working fluid 16b Reflux pipe 17 Thin plate heat device 18 Unit thin plate 18a Long Measured meandering groove 19 Flat thin plate 20 Thin L-shaped plate heat device 21 Heat conduction grease 22 Heat source 23 Cooling mechanism 24 Thin U-shaped plate heat device 25 Heat source 26 Cooling mechanism 27 Thin Type plate heat device 27A One thin and substantially Z-shaped plate heat device 27A1 Bottom portion of one thin and substantially Z-shaped plate heat device 27B The other thin and substantially Z-shaped plate heat device 27B1 The other thin and substantially Z-shaped plate heat device 27B1
  • FIG. 1 is a perspective view showing a power generation device E as an embodiment of the power generation device according to the present invention.
  • the thermoelectric conversion element B is composed of two conductors made of different materials, and when a temperature difference occurs between the thermoelectric conversion elements, current flows through the two conductors due to the Seebeck effect and operates as a power generator. As shown in FIG.
  • thermoelectric conversion element B the basic configuration of the thermoelectric conversion element B is that a P-type semiconductor element 12 and an N-type semiconductor element are interposed between two insulating heat transfer plates 10a and 10b made of ceramics or the like via an electrode layer 11. 13 are alternately connected and arranged, and are electrically connected in series and thermally connected in parallel.
  • the insulated heat transfer plate 10 b becomes a heat absorption surface
  • the insulated heat transfer plate 10 a becomes a cooling surface
  • thermoelectric conversion element B When a temperature difference is applied to the insulating heat transfer plates 10a and 10b, the thermoelectric conversion element B is a metal N-type semiconductor having different Fermi levels via the electrodes 11a and 11b in contact with the insulating heat transfer plates 10a and 10b.
  • An electric field due to the movement of holes is generated between the P-type semiconductor 12 and the P-type semiconductor 12, and passes through the N-type semiconductor 13 from the lower electrode 11a connected to the lower side of the N-type semiconductor 13 and passes through the upper electrode 11b.
  • An electromotive force is generated in the lower electrode 11a of the type semiconductor 12.
  • FIG. 3 is a plan view of the thin plate heat device 15 partially cut away
  • FIG. 4 is a diagram showing the internal structure of the thin plate heat device 15, which is a partially enlarged horizontal sectional view in FIG. is there.
  • the thin plate heat device 15 is designed to smoothly transport a large amount of heat.
  • the thin plate heat device 15 contains a loop-type meandering small-diameter tunnel heat pipe 16. As shown in FIG. Flow in the direction D to the path 16b.
  • the loop meandering small diameter tunnel heat pipe 16 of the plate heat device 15 needs to have sufficient strength against the internal pressure of the hydraulic fluid 16a.
  • the thin plate heat device 15 satisfying such various conditions is provided with the loop-shaped meandering thin tunnel heat pipe 16 described above in the thin plate 15A.
  • a group of such unit pairs of loop-shaped meandering small-diameter tunnel heat pipes 16 are connected and communicated with each other, and are configured to be planar and integrated.
  • the group of loop-type meandering small diameter tunnel heat pipes 16 integrated in this way is hermetically sealed together and vacuum degassed, and then a predetermined amount of a predetermined two-phase condensable hydraulic fluid is enclosed. It is made up of heat pipes.
  • 15B indicates the position of the heat receiving portion
  • 15C indicates the position of the heat radiating portion.
  • Reference numeral 17 denotes a thin plate heat device, which is a welded laminate of unit thin plates 18 and flat thin plates 19 made of a metal having good thermal conductivity.
  • a series of long meandering narrow grooves 18a are formed on the welding surface of the unit thin plate 18 in advance.
  • the long meandering narrow groove 18a may be formed by any means such as cutting, electric discharge machining, or press molding.
  • the long meandering narrow groove 18a is configured as a closed meandering narrow diameter by stacking, and a predetermined amount of a predetermined working fluid 16a is enclosed in the tight meandering narrow diameter, and the meandering narrow diameter tunnel heat pipe 16 is configured.
  • FIG. 5 shows an example in which unit thin plates 18 in which long meandering narrow grooves 18a are formed and simple flat thin plates 19 in which no narrow grooves are formed are laminated.
  • the loop-shaped meandering thin tunnel heat pipe 16 built in the unit thin plate 18 can reduce the radius of curvature of the turn portion to the limit. And it becomes possible to arrange with high density at a pitch that is just the sum of the groove width of about 1 mm to the width of the narrow groove, and it is possible to incorporate a multi-turn thin pipe heat pipe. Therefore, it is possible to construct a plate-type heat pipe with high performance and a small thickness.
  • a thin tube heat pipe when a thin tube heat pipe is incorporated instead of a meandering thin tube heat pipe with an outer diameter of 3 mm and an inner diameter of 2 mm, it is possible to incorporate a 2 mm diameter narrow tube with a pitch of 3 mm, and 33 tubes are arranged in a width of 100 mm. It is possible to construct a plate-type heat pipe having a thickness of 5 mm.
  • the advantage is that less resistance is generated when the hydraulic fluid 16a is circulated and vibrated.
  • the loop type meandering narrow tunnel heat pipe 16 and the long meandering narrow groove 18a incorporated in the thin plate heat devices 15 and 17 can flow the hydraulic fluid 16a in any installation condition, arrangement form or holding posture.
  • the common advantage is that it has active characteristics.
  • the thin plate heat devices 15 and 17 incorporating the loop type meandering thin tunnel heat pipe 16 and the like solve all the problems of the conventional thermoelectric element composed only of the thermoelectric conversion element A. is there.
  • the loop type meandering narrow tunnel heat pipe 16 and the long meandering narrow groove 18a incorporated in the thin plate heat devices 15, 17 The weight and wrinkle are becoming ignorable, and further reduction in size and weight is required, and the present invention can cope with this.
  • the configuration of the power generator E according to the present invention will be described in detail with reference to FIG. FIG.
  • FIG. 1 is a perspective view showing an example of a power generation apparatus E according to the present invention, and illustrates a configuration in which a heat source and a cooling mechanism described later are provided for the sake of understanding.
  • B is each thermoelectric conversion element
  • 20 is a thin L-shaped plate heat device.
  • the thin L-shaped plate heat device 20 is formed by bending a metal flat plate into an L shape, and a plurality of thermoelectric conversion elements B are attached to one side of the thin L-shaped plate heat device 20 as shown in FIG. .
  • four thermoelectric conversion elements B are attached, and three or more thermoelectric conversion elements B are attached to the standing part and three base parts.
  • thermoelectric conversion elements B When all the thermoelectric conversion elements B are bonded to the thin L-shaped plate heat device 20, all four bonding surfaces in the plurality of thermoelectric conversion elements B, that is, the insulating heat transfer plate 10b side shown in FIG. For example, it arrange
  • the mounting position, design conditions, arrangement form, holding posture, etc. of the power generator E according to the present invention are not limited to the heat absorption surface side but the cooling surface side depending on the purpose of use. Also good.
  • the endothermic surface side of each thermoelectric conversion element B is used as the sticking surface.
  • one insulating heat transfer plate (corresponding to the insulating heat transfer plate 10a shown in FIG.
  • each thermoelectric conversion element B is used as a metal flat plate of the thin L-shaped plate heat device 20 (shown in FIGS. 3 and 5).
  • the thermoelectric conversion element B and the thin L-shaped plate heat device 20 are slid against each other so as not to seal bubbles in the heat conductive grease 21 filled in the gap and so that the thickness of the heat conductive grease 21 does not increase. Weld together.
  • the heat conductive grease 21 a silicone grease or the like kneaded with metal fine powder such as zinc oxide, or silver paint, which has a high heat conductivity and is effective as a coating agent for obtaining good heat conduction, is adopted.
  • the thin L-shaped plate heat device 20 is not limited to this shape, and may have various shapes such as a rectangular shape and a square shape depending on the installation location and design conditions of the power generation apparatus E according to the present invention. It doesn't matter.
  • Reference numeral 22 denotes a heat source that absorbs heat by installing the power generation device E according to the present invention. In FIG.
  • the power generation apparatus E and the heat source 22 according to the present invention are illustrated separately from each other, but in the embodiment, the heat source 22 is connected to the other side of the thin L-shaped plate heat device 20, that is, a metal flat plate ( The thin plate 15A and the flat thin plate 19 shown in FIGS. At that time, the heat conduction grease 21 and the like are interposed and adhered, and the heat source 22 and the thin L-shaped plate heat device 20 are thermally integrated.
  • Reference numeral 23 denotes a cooling mechanism for encouraging the power generation of the thermoelectric conversion element by the heat absorbed from the heat source 22 by the power generation apparatus E according to the present invention. In FIG.
  • thermoelectric conversion elements B and the bottom portion that are erected and arranged are arranged.
  • the other insulating heat transfer plate corresponding to the insulating heat transfer plate 10b shown in FIG. 2
  • the heat conduction grease 21 or the like is interposed between the cooling mechanism 23 and the thermoelectric conversion element B so as to be thermally integrated.
  • the loop type meandering tunnel heat pipe 16 and the long meandering narrow groove 18a improve the transport performance as the number of meandering patterns increases.
  • 30 turns or more are required in a width of 100 (mm).
  • the cooling mechanism 23 is thermally connected to the insulated heat transfer plate 10b of the thermoelectric conversion element B.
  • thermoelectric conversion element B is thermally connected to the insulated heat transfer plate 10b of the thermoelectric conversion element B.
  • the basic configuration of the thermoelectric conversion element B is that P-type semiconductor elements 12 and N-type semiconductor elements 13 are alternately connected and arranged between two insulating heat transfer plates 10a, 10b made of ceramics or the like via electrode layers 11. It is electrically connected in series and thermally connected in parallel.
  • the thermoelectric conversion element B is a metal N-type semiconductor having different Fermi levels via the electrodes 11a and 11b in contact with the insulating heat transfer plates 10a and 10b.
  • An electric field due to the movement of holes is generated between the P-type semiconductor 12 and the P-type semiconductor 12, and passes through the N-type semiconductor 13 from the lower electrode 11a connected to the lower side of the N-type semiconductor 13 and passes through the upper electrode 11b.
  • An electromotive force is generated in the lower electrode 11a of the type semiconductor 12. That is, the power generation apparatus E according to the present invention can be applied to various types of automobile equipment and building equipment.
  • FIG. 6 is a perspective view showing a power generator F according to the present invention.
  • B is the thermoelectric conversion element
  • 24 is a thin U-shaped plate heat device.
  • the thin U-shaped plate heat device 24 is formed by bending a metal flat plate into a U shape, and a plurality of thermoelectric conversion elements B are arranged inside the U-shaped portion of the thin U-shaped plate heat device 24 as shown in FIG. Affix.
  • three thermoelectric conversion elements B are attached to the inside of the left and right vertical directions of the thin U-shaped plate heat device 24, respectively, and one horizontal direction is placed inside the bottom surface of the thin U-shaped plate heat device 24.
  • thermoelectric conversion element B is stuck and a total of seven thermoelectric conversion elements B are disposed.
  • the thermoelectric conversion element B and the thin U-shaped plate heat device 24 are bonded to each other through the heat conductive grease 21 as described above to obtain good heat conduction.
  • the letter-shaped plate heat devices 24 are slid and pressed together.
  • Reference numeral 25 denotes a heat source to be absorbed by the power generation device F according to the present invention.
  • the power generation device F and the heat source 25 according to the present invention are brought into close contact with each other through the heat conduction grease 21 and the like, and the heat source 25 and the thin U-shaped plate heat device 24 are thermally integrated.
  • Reference numeral 26 denotes a cooling mechanism which should promote the power generation of the thermoelectric conversion element by the heat absorbed from the heat source 25 by the power generation apparatus E according to the present invention.
  • the power generation device F and the cooling mechanism 26 according to the present invention have one thermoelectric conversion disposed horizontally with the inner surface of each of the three thermoelectric conversion elements B disposed in the left and right vertical positions. Adhere to the upper surface of the element B. At that time, the heat conduction grease 21 or the like is interposed between the cooling mechanism 26 and the thermoelectric conversion element B so as to be thermally integrated.
  • movement, etc. which were mentioned above is substantially the same as description of embodiment of the electric power generating apparatus which concerns on this invention, attaches
  • Reference numeral 27 denotes a thin plate heat device applied to the second embodiment, which is composed of a combination of one thin substantially Z-shaped plate heat device 27A and the other thin substantially Z-shaped plate heat device 27B.
  • a plurality of, for example, four thermoelectric conversion elements B are interposed between the two.
  • the other thin and substantially Z-shaped plate heat devices 27A and 27B are each formed by bending a metal flat plate into a substantially Z shape, and a plurality of thermoelectric conversion elements B are pasted inside each as shown in FIG. To wear.
  • 28 is a heat source
  • 29 is a cooling mechanism
  • the bottom surface portion 27A1 of one thin and substantially Z-shaped plate heat device 27A is in close contact / joining.
  • the other thin and substantially Z-shaped plate heat device 27B has the upper surface portion 27B1 in close contact with and bonded thereto.
  • the thermoelectric conversion elements B are in close contact with the front and back surfaces of the thermoelectric conversion elements B and the other thin and substantially Z-shaped plate heat devices 27A and 27B with heat conduction grease interposed therebetween.
  • the configuration of Example 2 is the same as that of the embodiment shown in FIG. 1, and the other thin, substantially Z-shaped plate heat device 27B is interposed between the plurality of thermoelectric conversion elements B and the low temperature side member 23. The added technical idea.
  • Reference numeral 30 denotes a thin plate heat device applied to the third embodiment, which is composed of one thin substantially S-shaped plate heat device 30A and the other thin substantially S-shaped plate heat device 30B combined orthogonally thereto. Is done. A plurality of, for example, five thermoelectric conversion elements B1 to B5 are interposed between the front and back surfaces of one thin and substantially S-shaped plate heat device 30A, 30B. On the other hand, the other thin and substantially S-shaped plate heat devices 30A and 30B are formed by bending a metal flat plate into a substantially S-shape, respectively, and as shown in FIG.
  • thermoelectric conversion element B1 is interposed between the upper surface of the lower side 30a of one thin and substantially S-shaped plate heat device 30A and the lower surface of the lower side 30d of the other thin and substantially S-shaped plate heat device 30B. Further, a thermoelectric conversion element B2 is interposed between the upper surface of the lower side 30d of the other thin substantially S-shaped plate heat device 30B and the lower surface of the intermediate side 30b of the one thin substantially S-shaped plate heat device 30A.
  • thermoelectric conversion element B3 is interposed between the upper surface of the intermediate side 30b of one thin and substantially S-shaped plate heat device 30A and the lower surface of the intermediate side 30e of the other thin and substantially S-shaped plate heat device 30B.
  • thermoelectric conversion element B4 is interposed between the upper surface of the intermediate side 30e of the other thin substantially S-shaped plate heat device 30B and the lower surface of the upper side 30c of one thin substantially S-shaped plate heat device 30A.
  • thermoelectric conversion element B5 is interposed between the upper surface of the upper side 30c of one thin and substantially S-shaped plate heat device 30A and the lower surface of the upper side 30f of the other thin and substantially S-shaped plate heat device 30B.
  • thermoelectric conversion elements B1 to B5 are thermally conductive in the same manner as the configuration examples of the above-described embodiments. Adhere with grease 21 or the like interposed. Although it is made compact by having comprised in this way, it can thermally conduct to each thermoelectric conversion element B1 thru
  • 31 is a heat source
  • 32 is a cooling mechanism
  • the heat source 31 is attached to the lower surface of the lower side 30a of one thin and substantially S-shaped plate heat device 30A with the heat conduction grease 21 or the like interposed therebetween.
  • the low temperature side member 32 is attached to the upper surface of the upper side 30f of the other thin and substantially S-shaped plate heat device 30B with the heat conduction grease 21 or the like interposed therebetween.
  • the lead wires 14 provided in the thermoelectric conversion elements B1, B4, and B5 are drawn out to the front of the power generation device H, and the leads provided in the thermoelectric conversion elements B2 and B3.
  • the wire 14 is drawn out to the rear of the power generator H.
  • movement, etc. which were mentioned above is substantially the same as description of embodiment of the electric power generating apparatus which concerns on this invention, attaches
  • the power generation apparatus G is thermally connected to a heat source, for example, one thin plate heat device 171 connected with grease, and the other thin plate heat device 172 connected to a cooling mechanism, for example, grease, etc. A combination of these is laminated. A plurality of, for example, four thermoelectric conversion elements B are interposed between the two.
  • the configuration of Example 4 is the same as that of the embodiment shown in FIG. 7 except that the technical idea of stacking the configurations is added.
  • movement, etc. which were mentioned above is substantially the same as description of embodiment of the electric power generating apparatus which concerns on this invention, attaches
  • Embodiment 1 In FIG. 12, a combustion chamber 131, a piping 132 for sending exhaust gas from the combustion chamber, a piping 133 for feeding water surrounding the combustion chamber, a piping 134 for sending warm water warmed by the combustion chamber, and the like.
  • a combustion chamber 131 In FIG. 12, a combustion chamber 131, a piping 132 for sending exhaust gas from the combustion chamber, a piping 133 for feeding water surrounding the combustion chamber, a piping 134 for sending warm water warmed by the combustion chamber, and the like.
  • the boiler between the one thin plate heat device 135 thermally connected to the piping for sending exhaust gas and the other thin plate heat device 136 thermally connected to the pipe for feeding water, This is a facility in which at least one power generation device in which at least one connected thermoelectric conversion element 137 is arranged is installed.
  • Embodiment 2 In FIG.
  • one thin plate heat device thermally connected to the incinerator wall surface 143 or piping for sending exhaust gas 144 and at least one power generation device in which at least one thermoelectric conversion element 147 is thermally connected is disposed between the heat sink 145 and the other thin plate heat device 146 that is thermally connected to the heat sink 145.
  • one thin plate heat device 153 thermally connected to the piping for sending exhaust gas and heat sink 154 are heated.
  • thermoelectric conversion element 156 thermally connected between the other thin plate heat devices 155 connected in general.
  • Embodiment 4 In FIG. 15, in an automobile motor constituted by a motor 161, a pipe 162 for supplying a coolant to the motor, a pipe 163 for sending a warmed coolant, and the like, one of the motors is thermally connected to the pipe for sending the coolant. Power generation apparatus in which at least one thermoelectric conversion element 166 is disposed between the thin plate heat device 164 and the other thin plate heat device 165 that is thermally connected to the pipe that supplies the coolant. This is a product with at least one installed.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Abstract

L'invention concerne un générateur électrique apte à générer une quantité suffisante d'énergie lorsqu'un élément de conversion thermoélectrique est pris en sandwich entre une source de chaleur et un mécanisme de refroidissement. Le générateur électrique est conçu à partir de dispositifs thermiques à plaques minces, dans lesquels des caloducs à tunnel de faible diamètre ont été formés et auxquels au moins un élément de conversion thermoélectrique est fixé, et monté entre une source de chaleur et un mécanisme de refroidissement.
PCT/JP2010/052121 2009-02-05 2010-02-05 Générateur électrique WO2010090350A1 (fr)

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JP2009-024777 2009-02-05

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JP2012080059A (ja) * 2010-03-08 2012-04-19 Fujitsu Ltd 熱電発電装置
DE102012003471A1 (de) * 2012-02-21 2013-08-22 E.G.O. Elektro-Gerätebau GmbH Thermogeneratoreinrichtung für einen Gaskocher und Gaskocher
JP2014515914A (ja) * 2011-03-31 2014-07-03 ヴァレオ システム テルミク 特に自動車において電流を発生させるための熱電アセンブリおよび装置
WO2015101408A1 (fr) * 2013-12-31 2015-07-09 Ortwin Gerrit Siebelder Dispositif et procédé de conversion directe d'énergie thermique en énergie électrique
WO2017017876A1 (fr) * 2015-07-28 2017-02-02 パナソニックＩｐマネジメント株式会社 Dispositif thermoélectrique et unité de conversion thermoélectrique
JP2019213402A (ja) * 2018-06-07 2019-12-12 横河電機株式会社 温度差発電装置及び測定システム

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JP2002325470A (ja) * 2001-04-23 2002-11-08 Sango Co Ltd 自動車用熱電発電装置
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JP2012080059A (ja) * 2010-03-08 2012-04-19 Fujitsu Ltd 熱電発電装置
JP2014515914A (ja) * 2011-03-31 2014-07-03 ヴァレオ システム テルミク 特に自動車において電流を発生させるための熱電アセンブリおよび装置
DE102012003471A1 (de) * 2012-02-21 2013-08-22 E.G.O. Elektro-Gerätebau GmbH Thermogeneratoreinrichtung für einen Gaskocher und Gaskocher
WO2015101408A1 (fr) * 2013-12-31 2015-07-09 Ortwin Gerrit Siebelder Dispositif et procédé de conversion directe d'énergie thermique en énergie électrique
WO2017017876A1 (fr) * 2015-07-28 2017-02-02 パナソニックＩｐマネジメント株式会社 Dispositif thermoélectrique et unité de conversion thermoélectrique
JPWO2017017876A1 (ja) * 2015-07-28 2017-07-27 パナソニックＩｐマネジメント株式会社 熱電装置および熱電変換ユニット
JP2019213402A (ja) * 2018-06-07 2019-12-12 横河電機株式会社 温度差発電装置及び測定システム
US11839156B2 (en) 2018-06-07 2023-12-05 Yokogawa Electric Corporation Temperature difference power generation apparatus and measurement system

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