WO2018174153A1 - 放熱装置及び発電装置 - Google Patents
放熱装置及び発電装置 Download PDFInfo
- Publication number
- WO2018174153A1 WO2018174153A1 PCT/JP2018/011386 JP2018011386W WO2018174153A1 WO 2018174153 A1 WO2018174153 A1 WO 2018174153A1 JP 2018011386 W JP2018011386 W JP 2018011386W WO 2018174153 A1 WO2018174153 A1 WO 2018174153A1
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- WIPO (PCT)
- Prior art keywords
- fin
- heat dissipation
- dissipation device
- reinforcing
- fins
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
- H01L23/467—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing gases, e.g. air
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
- H01L23/3672—Foil-like cooling fins or heat sinks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
- H01L23/433—Auxiliary members in containers characterised by their shape, e.g. pistons
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
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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
- H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
- H10N10/17—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 structure or configuration of the cell or thermocouple forming the device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/08—Fins with openings, e.g. louvers
Definitions
- the present invention generally relates to a heat dissipation device and a power generation device, and more specifically, a heat dissipation device that can dissipate heat generated from a heat source by air cooling, and a power generation device that includes the heat dissipation device and that can generate heat by converting thermal energy into electrical energy. Relates to the device.
- Patent Document 1 discloses a radiation fin that dissipates heat generated by a heat-generating component such as an LSI by air cooling.
- the heat dissipation device may be exposed to vibration, and in that case, the fin may be damaged by being loaded.
- An object of the present invention is to provide a heat radiating device capable of suppressing breakage when exposed to vibration and having good heat radiating properties, and a power generation device including the heat radiating device.
- the heat radiating device includes a base, fins, and an air flow passage.
- the fin portion protrudes from the base portion in a first direction and is arranged in a second direction intersecting the first direction, and a reinforcing portion connected to two adjacent fins among the plurality of fins. Is provided.
- the air flow passage is surrounded by the plurality of fins and the reinforcing portion in the fin portion and opens in the first direction.
- a power generation device includes a thermoelectric power generation module configured to convert thermal energy into electrical energy, and the heat dissipation device attached to the thermoelectric power generation module.
- FIG. 1A is a perspective view of a heat dissipation device according to a first example of an embodiment of the present invention.
- 1B is a cross-sectional view of the heat dissipation device shown in FIG. 1A.
- FIG. 2A is a perspective view of a heat dissipation device according to a second example of the embodiment of the present invention.
- 2B is a cross-sectional view of the heat dissipation device shown in FIG. 2A.
- FIG. 3A is a perspective view of a heat dissipation device according to a third example of the embodiment of the present invention.
- 3B is a cross-sectional view of the heat dissipation device shown in FIG. 3A.
- FIG. 4A is a perspective view of a heat dissipation device according to a fourth example of the embodiment of the present invention.
- 4B is a cross-sectional view of the heat dissipation device shown in FIG. 4A.
- FIG. 5A is a perspective view of a heat dissipation device according to a fifth example of the embodiment of the present invention.
- 5B is a cross-sectional view of the heat dissipation device shown in FIG. 5A.
- FIG. 6A is a perspective view of the heat dissipation device according to the first reference example. 6B is a cross-sectional view of the heat dissipation device shown in FIG. 6A.
- FIG. 6A is a perspective view of the heat dissipation device according to the first reference example. 6B is a cross-sectional view of the heat dissipation device shown in FIG. 6A.
- FIG. 7A is a perspective view of a heat dissipation device according to a second reference example.
- 7B is a cross-sectional view of the heat dissipation device shown in FIG. 7A.
- FIG. 8A is an exploded perspective view of the power generator according to the embodiment of the present invention.
- FIG. 8B is a front view of the power generator shown in FIG. 8A.
- the heat dissipation device 1 includes a base 2, fins 3, and an air flow passage 4.
- the fin portion 3 includes a plurality of fins 5.
- the plurality of fins 5 are arranged in the second direction D2 that protrudes from the base 2 in the first direction D1 and intersects the first direction D1.
- the fin portion 3 further includes a reinforcing portion 6 connected to two adjacent fins 5 among the plurality of fins 5.
- the air flow passage 4 is surrounded by the plurality of fins 5 and the reinforcing portion 6 in the fin portion 3 and opens toward the first direction D1.
- the heat dissipating device 1 according to the present embodiment has an advantage that breakage when exposed to vibration is suppressed and that it has good heat dissipating properties.
- Connected means that two separate members are integrated by welding, welding, adhesion, fitting, and the like, and that the two members are seamless and integrated. Conceptually.
- being surrounded by the plurality of fins 5 means that at least one of the plurality of fins 5 is in contact with the air flow passage 4.
- being surrounded by the reinforcing portion 6 means that at least a part of the elements included in the reinforcing portion 6 is in contact with the air flow passage 4.
- elements included in the reinforcing portion 6 include a reinforcing member 61, a second reinforcing member 62, a third reinforcing member 63, and a reinforcing plate 64, which will be described later.
- the air flow passage 4 has the reinforcing portion 6.
- the base 2 of the heat radiating device 1 is disposed on the heat source. If it does so, the heat
- the reinforcing portion 6 can increase the resonance frequency of the fin portion 3 as compared with the case where the reinforcing portion 6 is not provided. Therefore, the reinforcement part 6 can reduce the displacement amount of the fin part 3 when exposed to vibration, and can suppress the damage of the fin part 3. Furthermore, although the fin part 3 is provided with the reinforcement part 6, the air flow path 4 can maintain the air
- the dominant vibration generated in the heat radiating device is vibration having a frequency that matches the resonance frequency of the fin portion.
- the resonance frequency is low, the frequency of vibration that is predominantly generated in the fin portion is accordingly reduced.
- the degree of deformation of the fin portion due to vibration is increased, so that the fin portion is easily damaged.
- the fin has a flat plate shape with one end being a fixed end and the other end being a free end, so that the resonance frequency tends to be low, which gives the fin part the property of being weak against vibration.
- the fin portion 3 since the fin portion 3 includes the reinforcing portion 6 connected to the two adjacent fins 5, the fin portion 3 can have a rigid structure, which is the resonance of the fin portion 3. Can increase the frequency. Therefore, even if the heat radiating device 1 is exposed to vibration, the frequency of the vibration generated predominantly in the fin portion 3 is increased to reduce the degree of deformation of the fin portion 3, thereby preventing the fin portion 3 from being damaged.
- the fin part 3 is provided with the element which may inhibit the air flow of the reinforcement part 6, the air flow path 4 can accelerate
- the reinforcing portion 6 is a reinforcing member that is inclined and bridged between two adjacent fins 5 so as to be displaced along the first direction D1 with respect to the second direction D2.
- the member 61 may be included (see FIGS. 1A and 2A). In this case, the reinforcing member 61 can further increase the resonance frequency of the fin portion 3.
- the fin portion 3 is the same over the third direction D3 as seen in the third direction D3 intersecting the first direction D1 and the second direction D2, except for the position where the air flow passage 4 is present. It may have a shape (see FIGS. 1A and 2A). In this case, the fin portion 3 can be produced by extrusion molding.
- the reinforcing portion 6 is opposed to the third direction D3 across the first direction D1 and the second direction D2 spanned between two adjacent fins 5.
- One reinforcing plate 64 may be included, and the air flow passage 4 may include a channel 41 surrounded by the two fins 5 and the two reinforcing plates 64 (see FIGS. 3A, 4A, and 5A).
- the reinforcing plate 64 can further increase the resonance frequency of the fin portion 3, and the flow path 41 can enhance the heat dissipation of the heat dissipation device 1.
- the air flow passage 4 may include a plurality of flow paths 41 (see FIGS. 3A, 4A, and 5A).
- the plurality of flow paths 41 can improve the heat dissipation of the heat dissipation device 1.
- the reinforcing portion 6 is spanned between two adjacent fins 5, and a third direction D3 intersecting the first direction D1 and the second direction D2.
- the plurality of flow paths 41 may include a flow path 41 surrounded by the two fins 5 and the two reinforcement plates 64.
- the heat radiating device 1 may include an air inflow hole 7 that allows the air flow passage 4 and the outside of the fin portion 3 to communicate with each other in a direction intersecting the first direction D1 (FIGS. 1A, 2A, and FIG. 3A, FIG. 4A and FIG. 5A).
- the air inflow hole 7 produces a chimney effect in the air flow passage 4, and the heat dissipation performance of the heat dissipation device 1 can be further enhanced.
- the reinforcing portion 6 may form the air inflow hole 7 (see FIGS. 1A and 2A).
- the reinforcing part 6 can have both a function of lowering the resonance frequency of the fin part 3 and a function of improving the heat dissipation of the heat dissipation device 1.
- the air inflow hole 7 may be formed in the reinforcing portion 6 (see FIGS. 3A, 4A, and 5A).
- the reinforcing part 6 can have both a function of lowering the resonance frequency of the fin part 3 and a function of improving the heat dissipation of the heat dissipation device 1.
- the fin portion 3 may further include a second fin 52 that protrudes from the reinforcing portion 6 in the first direction D1 and has a shorter dimension along the first direction D1 than the fin 5. (See FIGS. 1A and 2A).
- the reinforcing portion 6 can support the second fin 52, and the second fin 52 can enhance the heat dissipation of the heat dissipation device 1.
- first to fifth examples which are more specific examples, of the heat dissipation device 1 according to the present embodiment will be described.
- a duplicate description for substantially the same configuration as the heat dissipation device 1 according to the example described above may be omitted.
- the thermal radiation apparatus 1 which concerns on this embodiment is not restrict
- FIGS. 1A and 1B show a first direction D1, a second direction D2, and a third direction D3 in the first example.
- the second direction D2 intersects the first direction D1
- the third direction D3 intersects the first direction D1 and the second direction D2.
- these directions only need to intersect each other, but in the first example, the second direction D2 is orthogonal to the first direction D1, and the third direction D3 is the first direction D1 and the second direction D2. Orthogonal. That is, in the first example, the first direction D1, the second direction D2, and the third direction D3 are orthogonal to each other.
- the heat dissipation device 1 includes a base 2, fins 3 and an air flow passage 4.
- the heat dissipation device 1 is preferably made of a metal such as aluminum, iron, or copper.
- the base 2 has a flat plate shape.
- the shape of the base 2 viewed in the first direction D1 is a square or a rectangle.
- the fin portion 3 includes a plurality of fins 5 and a reinforcing portion 6.
- the fin portion 3 further includes a second fin 52.
- the plurality of fins 5 protrude from the base 2 in the first direction D1.
- the plurality of fins 5 are arranged in the second direction D2.
- the fin portion 3 includes three fins 5 and these fins 5 are arranged in the second direction D2.
- the reinforcing portion 6 is connected to two adjacent fins 5 among the plurality of fins 5.
- the reinforcing portion 6 in the first example includes a reinforcing member 61.
- the reinforcing member 61 is spanned between two adjacent fins 5 so as to be displaced along the first direction D1 with respect to the second direction D2. More specifically, in the first example, the reinforcing portion 6 has a certain dimension S7 from the base 2 side end of one fin 5 and the base 2 side end of the other fin 5 among the two adjacent fins 5.
- the reinforcing member 61 connected to the position on the first direction D1 side is included.
- the reinforcing portion 6 also includes a reinforcing member 61 that is connected to the position on the first direction D1 side by a fixed dimension S7 from the end on the base 2 side of one fin 5 and the end on the base 2 side of the other fin 5.
- the two reinforcing members 61 intersect and are integrated, and therefore, the combination of the two reinforcing members 61 has an X-shape when viewed in the third direction D3.
- the reinforcing portion 6 also includes a second reinforcing member 62 connected to each of the two adjacent fins 5.
- the connecting position between each fin 5 and the second reinforcing member 62 coincides with the connecting position between each fin 5 and the end of the reinforcing member 61 opposite to the base 2 side.
- the second reinforcing member 62 has a shape bent so as to have a top portion protruding in the first direction D1 when viewed in the third direction D3.
- the reinforcing member 61 and the second reinforcing member 62 are bridged between the two fins 5 in any two adjacent fins 5 among the plurality of fins 5.
- the second fin 52 protrudes from the reinforcing portion 6 in the first direction D1. More specifically, in the first example, the second fin 52 protrudes from the top of the second reinforcing member 62 in the first direction D1. For this reason, the second fin 52 is located between two adjacent fins 5. The second fin 52 is shorter in dimension along the first direction D ⁇ b> 1 than the fin 5. The first direction D1 side end of the plurality of fins 5 and the first direction D1 side end of the second fin 52 are arranged in the second direction D2.
- the reinforcing portion 6 further includes a third reinforcing member 63.
- the third reinforcing member 63 is connected to any of the end portions on the first direction D1 side of the plurality of fins 5. Specifically, the third reinforcing member 63 is at the end of the fin portion 3 on the first direction D1 side.
- the end portion on the second direction D2 side of the third reinforcing member 63 is connected to the end portion on the first direction D1 side of the fin 5 that is closest to the second direction D2 among the plurality of fins 5.
- the end of the third reinforcing member 63 opposite to the second direction D2 is connected to the end of the plurality of fins 5 on the first direction D1 side of the fin 5 that is closest to the second direction D2.
- the third reinforcing member 63 is connected to the end portion on the first direction D1 side of the remaining fins 5 at a position between the two end portions. Further, the third reinforcing member 63 is also connected to the end portion on the first direction D1 side of the second fin 52 at a position between the two end portions.
- the fin part 3 in the first example has the same shape over the third direction D3 as seen in the third direction D3 intersecting the first direction D1 and the second direction D2, except for the position where the air flow passage 4 is located.
- the fin 5, the second fin 52, the reinforcing member 61, the second reinforcing member 62, and the third reinforcing member 63 are all plate-shaped.
- the thickness directions of the fin 5, the second fin 52, the reinforcing member 61, the second reinforcing member 62, and the third reinforcing member 63 are all orthogonal to the third direction D3.
- the shapes of the cross sections orthogonal to the third direction D3 of the fin 5, the second fin 52, the reinforcing member 61, the second reinforcing member 62, and the third reinforcing member 63 are all the same except for the position where the air flow passage 4 is located. It is the same throughout the three directions D3.
- the fin 5, the second fin 52, the reinforcing member 61, the second reinforcing member 62 and the third reinforcing member 63, and the fin portion 3 including these are in the third direction D 3 except for the position where the air flow passage 4 is located.
- the third direction D3 as viewed in the third direction D3.
- the air flow passage 4 in the first example is a cylindrical space that is inside the fin portion 3 and opens at the end of the fin portion 3 on the first direction D1 side.
- the air flow passage 4 has a cylindrical shape, but the air flow passage 4 may have a shape other than the cylindrical shape, for example, a prismatic shape.
- the air flow passage 4 includes a single flow path, but the air flow path 4 may include a plurality of flow paths.
- the end in the first direction D1 side of the air flow passage 4 is open to the outside. Further, the end of the air flow passage 4 opposite to the first direction D1 is between the position where the two reinforcing members 61 intersect and the base portion 2, and the air flow passage 4 intersects the two reinforcing members 61. It overlaps with the position to be.
- the fin 5, the second fin 52, and the reinforcing portion 6 included in the fin portion 3 have a missing shape at a position where the air flow passage 4 is present.
- the remaining fins 5 except for the fins 5 closest to the second direction D2 and the fins 5 closest to the second direction D2 have the airflow passage 4.
- the second direction D2 the direction opposite to the second direction D2, and a shape with a gap opened in the first direction D1 are provided.
- the 2nd fin 52 also has a shape with the open
- the third reinforcing member 63 has a shape with a hole-like defect penetrating in the first direction D1 at a position where the air flow passage 4 is present, and the second reinforcing member 62 is also located at the position where the air flow passage 4 is present. It has a shape with a hole-like defect penetrating in one direction D1. Further, the reinforcing member 61 has a shape with a missing portion at a position where the air flow passage 4 is present, that is, a position where the two reinforcing members 61 intersect.
- the air flow passage 4 is surrounded by the fin 5, the second fin 52, and the reinforcing portion 6. All of the spaces partitioned by the fins 5, the reinforcing portions 6, and the second fins 52 in the fin portion 3 communicate with the air flow passage 4 or constitute at least a part of the air flow passage 4. These spaces are opened in the first direction D1 through the air flow passage 4.
- the heat dissipation device 1 includes an air inflow hole 7 that allows the air flow passage 4 and the outside of the fin portion 3 to communicate with each other in a direction intersecting the first direction D1.
- the reinforcing portion 6 forms the air inflow hole 7.
- the air inflow hole 7 includes a plurality of holes 71 including a space partitioned by the fin 5, the reinforcing part 6, and the second fin 52 in the fin part 3.
- the plurality of holes 71 include a hole 71 that opens in the third direction D3 and a hole 71 that opens in a direction opposite to the third direction D3.
- the air inflow hole 7 allows the air flow passage 4 and the outside of the fin portion 3 to communicate in the direction along the third direction D3.
- the fin portion 3 can have a rigid structure because the fin portion 3 includes the reinforcing portion 6 connected to two adjacent fins 5. This can increase the resonance frequency of the fin portion 3.
- the reinforcing portion 6 includes a reinforcing member 61 that is inclined and spanned between two adjacent fins 5 so as to be displaced along the first direction D1 with respect to the second direction D2. Therefore, the reinforcing member 61 can give the fin portion 3 a structure that is not easily deformed. This can effectively increase the resonance frequency of the fin portion 3.
- the reinforcing portion 6 includes the reinforcing member 61 connected to the end of the fin 5 on the side of the base 2, so the reinforcing member 61 has a portion on the base 2 side of the fin 5.
- the dimension from the fixed end to the free end of the fin 5 can be substantially shortened. This can increase the resonance frequency particularly effectively.
- the heat radiating device 1 since the heat radiating device 1 includes the air flow passage 4, the air flow passage 4 is provided with the fin portion even though the fin portion 3 includes the reinforcing portion 6 that may impede air flow. 3 can be promoted. Moreover, since the heat dissipation device 1 includes the air inflow hole 7 that allows the air flow passage 4 and the outside of the fin portion 3 to communicate with each other in the direction intersecting the first direction D1, the heat dissipation device 1 flows into the air flow passage 4 from the air inflow hole 7. The air flow that is discharged from the first direction D1 is likely to occur. Therefore, the heat in the fin part 3 can be efficiently released by the chimney effect. Therefore, the heat dissipation device 1 can have good heat dissipation.
- the reinforcing portion 6 since the reinforcing portion 6 forms the air inflow hole 7, the reinforcing portion 6 has a function of lowering the resonance frequency of the fin portion 3 and a function of improving the heat dissipation of the heat dissipation device 1. Can have both.
- the fin part 3 is further provided with the 2nd fin 52 which protrudes from the reinforcement part 6 to the 1st direction D1, and the 2nd fin 52 can further improve the heat dissipation of the thermal radiation apparatus 1.
- FIG. The reinforcing portion 6 can also have a function of supporting the second fin 52. Furthermore, since the second fin 52 has a shorter dimension along the first direction D1 than the fin 5, even if the heat dissipation device 1 includes the second fin 52, the resonance frequency of the heat dissipation device 1 can be maintained high.
- the fin portion 3 includes the reinforcing portion 6, the fin portion 3 can have higher durability against vibration compared to the case where the reinforcing portion 6 is not provided.
- the dimension S1 along the third direction D3 of the entire fin portion 3 is in the range of 30 to 35 mm, and along the second direction D2 of the entire fin portion 3.
- the dimension S2 is in the range of 30 to 35 mm.
- the dimension S3 along the first direction D1 of the fin 5 is in the range of 50 to 60 mm
- the dimension S6 along the first direction D1 of the second fin 52 is within the range of 20 to 25 mm.
- the distance S4 between the fins 5 is in the range of 12 to 17 mm, and the distance S5 between the adjacent fins 5 and the second fin 52 is in the range of 5.5 to 8 mm.
- the fixed dimension S7 related to the connecting position of the reinforcing member 61 is in the range of 18 to 25 mm.
- the dimension S8 of the air flow passage 4 along the first direction D1 is in the range of 43.5 to 46.5 mm, and the diameter S9 viewed in the direction opposite to the first direction D1 is in the range of 17 to 22 mm. Is within.
- the heat radiating device 1 having such dimensions depends on various conditions, the heat radiating device 1 has a resonance frequency three times or more compared to the case where the reinforcing portion 6 and the air flow passage 4 are not provided, and the reinforcing portion 6 and the air flow.
- the heat dissipation can be as high as when there is no path 4.
- the fin portion 3 has the same shape over the third direction D3 as seen in the third direction D3 except for the position where the air flow passage 4 is present as described above. Therefore, the heat radiating device 1 can be manufactured by a method including extrusion molding.
- a structure having the same shape as the fin portion 3 is manufactured by extruding a metal in a direction corresponding to the third direction D3 except that there is no lack corresponding to the air flow passage 4. it can.
- the base 2 can be produced simultaneously with the structure. That is, an intermediate product in which the structure and the base 2 are integrated can be manufactured by extrusion molding.
- the air flow passage 4 can be produced by cutting the structure by a method such as drilling. For this reason, the heat radiating device 1 can be manufactured with relatively few man-hours, that is, the heat radiating device 1 can be manufactured efficiently.
- Second Example A heat dissipation device 1 according to a second example will be described with reference to FIGS. 2A and 2B.
- the heat radiating device 1 according to the second example has the same structure as the heat radiating device 1 according to the first example, except that the third reinforcing member 63 is not provided, that is, the reinforcing portion 6 does not include the third reinforcing member 63.
- the heat dissipation device 1 according to the second example also has the same advantages as the heat dissipation device 1 according to the first example, except that the third reinforcing member 63 is not provided.
- Third Example A heat dissipation device 1 according to a third example will be described with reference to FIGS. 3A and 3B.
- 3A and 3B also show the first direction D1, the second direction D2, and the third direction D3 in the third example. These directions are the same as in the first example.
- the heat dissipation device 1 includes a base 2, fins 3 and an air flow passage 4.
- the heat dissipation device 1 is preferably made of a metal such as aluminum, iron, or copper.
- Base 2 is the same as in the first example.
- the fin portion 3 includes a plurality of fins 5 and a reinforcing portion 6.
- the plurality of fins 5 protrude from the base 2 in the first direction D1.
- the plurality of fins 5 are arranged in the second direction D2.
- the fin portion 3 includes five fins 5 and these fins 5 are arranged in the second direction D2.
- the reinforcing portion 6 is connected to two adjacent fins 5 among the plurality of fins 5.
- the reinforcing portion 6 in the third example includes a reinforcing plate 64. Between the two adjacent fins 5, two paired reinforcing plates 64 are bridged. The two reinforcing plates 64 face each other in the third direction D3.
- the reinforcing plate 64 has a flat plate shape whose thickness direction coincides with the third direction D3.
- the dimension of the reinforcing plate 64 along the first direction D1 is the same as the dimension of the fin 5 along the first direction D1. For this reason, the gap between the two fins 5 is shielded by the reinforcing plate 64, and there is a space surrounded by the two fins 5 and the two reinforcing plates 64 between the two fins 5.
- the reinforcing portion 6 includes a plurality of pairs of reinforcing plates 64, and any two adjacent fins 5 among the plurality of fins 5 are paired with two reinforcing members between the two fins 5.
- a plate 64 is spanned.
- the reinforcing plate 64 is connected to the fin 5 at a position between the end portion on the third direction D3 side of the fin 5 and the end portion on the opposite side to the third direction D3. For this reason, a part of the fin 5 protrudes outward from the reinforcing plate 64 along the third direction D3.
- the air flow passage 4 in the third example is inside the fin portion 3 and opens at the end of the fin portion 3 on the first direction D1 side. Further, the air flow passage 4 in the third example includes a plurality of flow paths 41, and the plurality of flow paths 41 includes a flow path 41 surrounded by two fins 5 and two reinforcing plates 64. That is, there is a space surrounded by the two fins 5 and the two reinforcing plates 64 between the two adjacent fins 5 as described above, and this space is the flow path 41.
- the plurality of channels 41 are arranged in the second direction D ⁇ b> 2, and adjacent channels 41 among the plurality of channels 41 are partitioned by the fins 5.
- the air flow passage 4 is surrounded by the fins 5 and the reinforcing portions 6, and all of the spaces partitioned by the fins 5 and the reinforcing portions 6 in the fin portions 3 are the air flow passages 4. It constitutes a part and is open in the first direction D1.
- the heat radiating device 1 includes an air inflow hole 7 that allows the air flow passage 4 and the outside of the fin portion 3 to communicate with each other in a direction intersecting the first direction D1.
- the air inflow hole 7 is formed in the reinforcing portion 6, and the air inflow hole 7 includes a plurality of holes 71.
- a plurality of holes 71 arranged in the first direction D ⁇ b> 1 are formed in each of the plurality of reinforcing plates 64. For this reason, the air inflow hole 7 includes a plurality of holes 71 that directly communicate with the plurality of flow paths 41.
- the air inflow hole 7 opens in the direction opposite to the hole 71 that opens in the third direction D3 and the third direction D3. Hole 71 to be formed. Thereby, the air inflow hole 7 allows the air flow passage 4 and the outside of the fin portion 3 to communicate in the direction along the third direction D3.
- the fin portion 3 since the fin portion 3 includes the reinforcing portion 6 connected to the two adjacent fins 5, the fin portion 3 can have a rigid structure, This can increase the resonance frequency of the fin portion 3.
- the reinforcing portion 6 includes a reinforcing plate 64, and two reinforcing plates 64 serving as a pair are bridged between two adjacent fins 5, and the two reinforcing plates 64 are connected in the third direction D3. Therefore, the reinforcing plate 64 can give the fin portion 3 a structure that is very difficult to deform. This can effectively increase the resonance frequency of the fin portion 3.
- the heat radiating device 1 since the heat radiating device 1 includes the air flow passage 4, the air flow passage 4 includes the fin portion even though the fin portion 3 includes an element that may impede air flow such as the reinforcing portion 6. 3 can be promoted.
- the air flow passage 4 since the air flow passage 4 includes the plurality of flow paths 41, the circulation of the air in the fin portion 3 can be effectively promoted using the plurality of flow paths 41.
- the heat dissipating device 1 includes the air inflow hole 7 that communicates with the air flow passage 4 and opens in the direction intersecting the first direction D1, the heat dissipation device 1 flows into the air flow passage 4 from the air inflow hole 7 and enters the first direction D1.
- the thermal radiation apparatus 1 can have favorable heat dissipation.
- the reinforcing portion 6 since the air inflow hole 7 is formed in the reinforcing portion 6, the reinforcing portion 6 has a function of lowering the resonance frequency of the fin portion 3 and a function of improving the heat dissipation of the heat dissipation device 1. Can have both.
- the fin portion 3 includes the reinforcing portion 6, the fin portion 3 can have higher durability against vibration compared to the case where the reinforcing portion 6 is not provided.
- the dimension S1 along the third direction D3 of the entire fin portion 3 is in the range of 30 to 35 mm, and along the second direction D2 of the entire fin portion 3.
- the dimension S2 is in the range of 30 to 35 mm.
- the dimension S3 along the first direction D1 of the fin 5 is in the range of 50 to 60 mm, and the distance S4 between the two adjacent fins 5 is in the range of 5.5 to 8 mm.
- the heat radiating device 1 having such dimensions depends on various conditions, the heat dissipation device 1 has a resonance frequency 10 times or more compared with the case where the reinforcing portion 6 is not provided and is equal to or higher than the case where the reinforcing portion 6 is not provided. It can have heat dissipation.
- each reinforcing plate 64 has a plurality of holes 71 included in the air inflow hole 7 formed uniformly from one end to the other end along the first direction D1.
- the number and position of 71 are not limited to this.
- the air inflow hole 7 preferably includes at least a hole 71 formed in the vicinity of the base 2 in the reinforcing plate 64. In this case, the heat release by the chimney effect in the air flow passage 4 is promoted particularly efficiently.
- the heat dissipating device 1 according to the fourth example and the heat dissipating device 1 according to the fifth example include the air inflow hole 7 that allows the air flow passage 4 and the outside of the fin portion 3 to communicate with each other in the direction intersecting the first direction D1, The position of the air inflow hole 7 is different from that of the heat dissipation device 1 according to the third example. Except for this, the heat dissipation device 1 according to the fourth example and the heat dissipation device 1 according to the fifth example have the same structure as the heat dissipation device 1 according to the third example.
- the air inflow holes 7 include holes 72 formed in the plurality of fins 5, respectively.
- the holes 72 formed in the fins 5 closest to the second direction D2 and the fins 5 closest to the second direction D2 are formed on the outside of the fin portion 3 and the fins 5. 5 and the flow path 41 in contact with 5.
- the holes 72 formed in each of the remaining fins 5 are passed through the two flow paths 41 partitioned by the fins 5. Thereby, the air inflow hole 7 allows the plurality of flow paths 41 and the outside of the fin portion 3 to communicate in the direction along the second direction D2.
- one hole 72 is formed in each of the plurality of fins 5.
- the shape of the hole 72 is a long rectangle along the first direction D1.
- two holes 72 are formed in each of the plurality of fins 5 along the first direction D1.
- Each shape of the two holes 72 is a long rectangle along the third direction D3.
- One of the two holes 72 is formed in the vicinity of the base 2.
- the resonance frequency of the fin portion 3 is effectively increased as in the third example.
- the heat dissipation device 1 can have good heat dissipation.
- the air inflow hole 7 preferably includes at least a hole 72 formed in the vicinity of the base 2 in the fin 5. In this case, the heat release by the chimney effect in the air flow passage 4 is promoted particularly efficiently.
- the heat dissipation device 1 according to the reference embodiment has the same configuration as the heat dissipation device 1 according to the embodiment except that the airflow passage 4 is not provided.
- the heat radiating device 1 includes a base portion 2 and fin portions 3.
- the fin portion 3 includes a plurality of fins 5.
- the plurality of fins 5 are arranged in the second direction D2 that protrudes from the base 2 in the first direction D1 and intersects the first direction D1.
- the fin portion 3 further includes a reinforcing portion 6 connected to two adjacent fins 5 among the plurality of fins 5.
- the base 2 of the heat dissipation device 1 is disposed on the heat source. If it does so, the heat
- the reinforcing portion 6 can increase the resonance frequency of the fin portion 3 as compared with the case where the reinforcing portion 6 is not provided. Therefore, the reinforcement part 6 can reduce the displacement amount of the fin part 3 when exposed to vibration, and can suppress the damage of the fin part 3.
- the reinforcing portion 6 is a reinforcing member that is spanned between two adjacent fins 5 so as to be displaced along the first direction D1 with respect to the second direction D2. 61 may be included. In this case, the reinforcing member 61 can further increase the resonance frequency of the fin portion 3.
- the fin portion 3 may have the same shape over the third direction D3 when viewed in the third direction D3 intersecting the first direction D1 and the second direction D2.
- the fin portion 3 can be produced by extrusion molding.
- the air flow passage 4 may include a plurality of flow paths 41.
- the plurality of flow paths 41 can improve the heat dissipation of the heat dissipation device 1.
- the fin portion 3 may further include a second fin 52 that protrudes from the reinforcing portion 6 in the first direction D1 and has a shorter dimension along the first direction D1 than the fin 5.
- the reinforcing portion 6 can support the second fin 52, and the second fin 52 can enhance the heat dissipation of the heat dissipation device 1.
- first reference example and a second reference example which are more specific examples of the heat dissipation device 1 according to the reference mode, will be described.
- the thermal radiation apparatus 1 which concerns on a reference form is not restrict
- FIGS. 6A and 6B show the first direction D1, the second direction D2, and the third direction D3 in the first reference example.
- the second direction D2 intersects the first direction D1
- the third direction D3 intersects the first direction D1 and the second direction D2.
- these directions only need to cross each other, but in the first reference example, the second direction D2 is orthogonal to the first direction D1, and the third direction D3 is the first direction D1 and the second direction D2. Orthogonal to That is, in the first reference example, the first direction D1, the second direction D2, and the third direction D3 are orthogonal to each other.
- the heat dissipation device 1 according to the first reference example does not include the air flow passage 4. Except for this, the heat dissipation device 1 according to the reference example has the same structure as the heat dissipation device 1 according to the second example.
- the heat dissipation device 1 includes a base portion 2 and a fin portion 3.
- the heat dissipation device 1 is preferably made of a metal such as aluminum, iron, or copper.
- the base 2 has a flat plate shape.
- the shape of the base 2 viewed in the first direction D1 is a square or a rectangle.
- the fin portion 3 includes a plurality of fins 5 and a reinforcing portion 6.
- the fin portion 3 further includes a second fin 52.
- the plurality of fins 5 protrude from the base 2 in the first direction D1.
- the plurality of fins 5 are arranged in the second direction D2.
- the fin portion 3 includes three fins 5 and these fins 5 are arranged in the second direction D2.
- the reinforcing portion 6 is connected to two adjacent fins 5 among the plurality of fins 5.
- the reinforcing portion 6 in the first reference example includes a reinforcing member 61.
- the reinforcing member 61 is spanned between two adjacent fins 5 so as to be displaced along the first direction D1 with respect to the second direction D2. More specifically, in the first reference example, the reinforcing portion 6 has a constant dimension S7 from the end of the two fins 5 on the base 2 side of one fin 5 and the end of the other fin 5 on the base 2 side. Only the reinforcing member 61 connected to the position on the first direction D1 side is included.
- the reinforcing portion 6 also includes a reinforcing member 61 that is connected to the position on the first direction D1 side by a fixed dimension S7 from the end on the base 2 side of one fin 5 and the end on the base 2 side of the other fin 5.
- the two reinforcing members 61 intersect and are integrated, and therefore, the combination of the two reinforcing members 61 has an X-shape when viewed in the third direction D3.
- the reinforcing portion 6 also includes a second reinforcing member 62 connected to each of the two adjacent fins 5.
- the connecting position between each fin 5 and the second reinforcing member 62 coincides with the connecting position between each fin 5 and the end of the reinforcing member 61 opposite to the base 2 side.
- the second reinforcing member 62 has a shape bent so as to have a top portion protruding in the first direction D1 when viewed in the third direction D3.
- the reinforcing member 61 and the second reinforcing member 62 are bridged between the two fins 5 in any two adjacent fins 5 among the plurality of fins 5.
- the second fin 52 protrudes from the reinforcing portion 6 in the first direction D1. More specifically, in the first reference example, the second fin 52 protrudes from the top of the second reinforcing member 62 in the first direction D1.
- the second fin 52 is shorter in dimension along the first direction D ⁇ b> 1 than the fin 5.
- the first direction D1 side end of the plurality of fins 5 and the first direction D1 side end of the second fin 52 are arranged in the second direction D2.
- the fin part 3 in the first reference example has the same shape over the third direction D3 when viewed in the third direction D3 intersecting the first direction D1 and the second direction D2.
- the fin 5, the second fin 52, the reinforcing member 61, the second reinforcing member 62, and the third reinforcing member 63 are all plate-shaped.
- the thickness directions of the fin 5, the second fin 52, the reinforcing member 61, the second reinforcing member 62, and the third reinforcing member 63 are all orthogonal to the third direction D3.
- the cross-sectional shapes of the fin 5, the second fin 52, the reinforcing member 61, the second reinforcing member 62, and the third reinforcing member 63 that are orthogonal to the third direction D3 are all the same in the entire third direction D3.
- the fin 5, the second fin 52, the reinforcing member 61, the second reinforcing member 62 and the third reinforcing member 63, and the fin portion 3 including these have a shape continuous in the third direction D ⁇ b> 3, It has the same shape over the third direction D3 when viewed in the direction D3.
- the fin portion 3 includes the reinforcing portion 6 connected to the two adjacent fins 5, and thus the fin portion 3 can have a rigid structure. This can increase the resonance frequency of the fin portion 3.
- the reinforcing portion 6 includes a reinforcing member 61 that is spanned between two adjacent fins 5 so as to be displaced along the first direction D1 with respect to the second direction D2. Therefore, the reinforcing member 61 can give the fin portion 3 a structure that is not easily deformed. This can effectively increase the resonance frequency of the fin portion 3.
- the reinforcing portion 6 includes the reinforcing member 61 connected to the end portion on the base 2 side of the fin 5.
- the reinforcing member 61 can substantially reduce the dimension from the fixed end to the free end of the fin 5 by making it difficult to deform the portion of the fin 5 on the base 2 side, and therefore, the resonance frequency is particularly effective. Can be increased.
- the fin part 3 is further provided with the 2nd fin 52 which protrudes from the reinforcement part 6 to the 1st direction D1, and whose dimension along the 1st direction D1 is shorter than the fin 5,
- the 2nd fin 52 is the thermal radiation apparatus 1.
- the heat dissipation can be further improved.
- the reinforcing portion 6 can also have a function of supporting the second fin 52. Furthermore, since the second fin 52 is shorter than the fin 5, even if the heat dissipation device 1 includes the second fin 52, the resonance frequency of the heat dissipation device 1 can be maintained high.
- the fin portion 3 includes the reinforcing portion 6, the fin portion 3 can have higher durability against vibration compared to the case where the reinforcing portion 6 is not provided. If an example of a preferable dimension of the fin portion 3 is given, the dimension S1 along the third direction D3 of the entire fin portion 3 is in the range of 30 to 35 mm, and along the second direction D3 of the entire fin portion 3. The dimension S2 is in the range of 30 to 35 mm.
- the dimension S3 along the first direction D1 of the fin 5 is in the range of 50 to 58 mm, and the dimension S6 along the first direction D1 of the second fin 52 is within the range of 20 to 25 mm, which are adjacent to each other.
- the distance S4 between the fins 5 is in the range of 12 to 17 mm, and the distance S5 between the adjacent fins 5 and the second fin 52 is in the range of 5.5 to 8 mm.
- the fixed dimension S7 related to the connecting position of the reinforcing member 61 is in the range of 18 to 25 mm.
- the fin portion 3 has the same shape over the third direction D3 as seen in the third direction D3 as described above. Therefore, the heat radiating device 1 can be manufactured by a method including extrusion molding.
- the fin portion 3 can be produced by molding by extruding a metal in a direction corresponding to the third direction D3.
- the base portion 2 can be produced simultaneously with the fin portion 3. That is, the heat dissipation device 1 in which the fin portion 3 and the base portion 2 are integrated can be manufactured by extrusion molding. For this reason, the heat radiating device 1 can be manufactured with relatively few man-hours, that is, the heat radiating device 1 can be manufactured efficiently.
- Second Reference Example A heat dissipation device 1 according to a second reference example will be described with reference to FIGS. 7A and 7B.
- the heat radiating device 1 according to the second reference example has the same structure as the heat radiating device 1 according to the first reference example except that the heat radiating device 1 according to the first reference example includes a through channel 8 that penetrates the fin portion 3 in the second direction D2.
- the through channel 8 passes through the plurality of fins 5 and the reinforcing portion 6.
- the end portion on the first direction D1 side of the through channel 8 is located on the first direction D1 side with respect to the reinforcing member 61, and the end portion on the opposite side of the air flow passage 4 from the first direction D1 is two reinforcing members 61. Is at a position on the opposite side of the first direction D1 from the position at which the crosses. For this reason, all of the spaces partitioned by the fin 5, the reinforcing portion 6, and the second fin 52, which are elements constituting the fin portion 3 in the fin portion 3, communicate with the through flow path 8.
- the heat dissipation device 1 according to the second reference example has the same advantages as the heat dissipation device 1 according to the first reference example.
- the heat dissipation device 1 according to the second reference example includes the through channel 8
- the air in the fin portion 3 can be exchanged with the air outside the fin portion 3 through the through channel 8. Therefore, the through channel 8 can enhance the heat dissipation of the heat dissipation device 1.
- the through flow passage 8 improves the heat dissipation performance of the heat dissipation device 1. Can be increased.
- the power generation device 100 includes a thermoelectric power generation module 9 configured to convert thermal energy into electric energy, and a heat dissipation device 1 attached to the thermoelectric power generation module 9.
- the heat generated by the thermoelectric power generation module 9 can be radiated by the heat dissipation device 1, damage to the heat dissipation device 1 when exposed to vibration is suppressed, and the heat dissipation device 1 There is an advantage that it can have good heat dissipation.
- the heat dissipation device 1 when heat is supplied to the thermoelectric power generation module 9, the heat dissipation device 1 can efficiently release heat from the thermoelectric power generation module 9. For this reason, the heat dissipation device 1 generates power from the thermoelectric power generation module 9. Efficiency can be improved. Furthermore, even if the power generation device 100 is exposed to vibration, the heat dissipation device 1 is not easily damaged. For this reason, even if it uses the power generation apparatus 100 in the environment exposed to a vibration, the power generation apparatus 100 can maintain favorable power generation efficiency over a long period of time.
- the power generation device 100 includes the thermoelectric power generation module 9 and the heat dissipation device 1 as described above.
- the power generation apparatus 100 further includes a thermoelectric plate 10.
- the thermoelectric power generation module 9 converts thermal energy into electric energy when the temperature of one surface 91 (hereinafter referred to as the high temperature surface 91) is higher than the temperature of the other surface 92 (hereinafter referred to as the low temperature surface 92). It can be converted to The structure of the thermoelectric power generation module 9 is well known.
- the thermoelectric power generation module 9 is composed of a thermoelectric conversion element such as a Peltier element.
- the heat dissipation device 1 is attached to the thermoelectric generation module 9 so that the base 2 of the heat dissipation device 1 is in contact with the low temperature surface 92 of the thermoelectric generation module 9.
- the thermal radiation apparatus 1 in this example is the thermal radiation apparatus 1 which concerns on a 3rd example
- the thermal radiation apparatus 1 may be any thermal radiation apparatus 1 which concerns on a 1st example-a 5th example.
- the heat dissipation device 1 according to the reference embodiment may be used as the heat dissipation device 1.
- thermoelectric plate 10 is, for example, a metal plate.
- the thermoelectric plate 10 is attached to the thermoelectric power generation module 9 so as to be in contact with the high temperature surface 91 of the thermoelectric power generation module 9. For this reason, the thermoelectric plate 10 can efficiently transfer heat to the high temperature surface 91 when heated.
- thermoelectric plate 10 is fixed to the base portion 2 with screws 11 in a state where the thermoelectric generation module 9 is interposed between the base portion 2 and the thermoelectric plate 10. 1 and a thermoelectric plate 10 are attached.
- thermoelectric power generation module 9 When heat is supplied to the high temperature surface 91 of the thermoelectric power generation module 9 in the power generation apparatus 100 via the thermoelectric plate 10, the thermoelectric power generation module 9 can generate power due to the temperature difference between the high temperature surface 91 and the low temperature surface 92. .
- the heat dissipation device 1 according to the present embodiment can efficiently dissipate the heat of the low temperature surface 92, and therefore, the temperature difference between the high temperature surface 91 and the low temperature surface 92 can be increased. For this reason, the thermoelectric power generation module 9 can generate power efficiently.
- the heat dissipation device 1 even if the heat dissipation device 1 according to the present embodiment is exposed to vibration, damage to the heat dissipation device 1 is suppressed. Therefore, even if the power generation device 100 is used in an environment exposed to vibration, the heat dissipation device 1 is long-term. It can have good heat dissipation over the entire range. For this reason, the power generation device 100 can generate power efficiently over a long period of time, and the labor for maintenance and replacement of the heat dissipation device 1 can be reduced.
- the power generation apparatus 100 is suitable as a power source for a sensor device that detects a state such as temperature and pressure of an apparatus that generates heat and vibration (hereinafter referred to as a heat source apparatus) such as an internal combustion engine and wirelessly transmits the result. is there.
- a heat source apparatus an apparatus that generates heat and vibration
- the power generation device 100 can generate electric power required by the sensor device.
- it may not be easy to supply power from a remote location to sensor devices attached to various locations in the heat source device.
- the power generation device 100 attached to the heat source device supplies power to the sensor device, it is possible to easily supply power to the sensor device.
- the vibration generated by the heat source device is transmitted to the power generation device 100, the heat dissipation device 1 is prevented from being damaged. Therefore, the power generation device 100 can stably supply power to the sensor device over a long period of time.
- the heat dissipation device (1) includes a base (2), a fin (3), and an air flow passage (4).
- the fin portion (3) projects from the base portion (2) in the first direction (D1) and is arranged in the second direction (D2) intersecting the first direction (D1), and a plurality of fins ( 5) and a reinforcing portion (6) connected to two adjacent fins (5).
- the air flow passage (4) is surrounded by the plurality of fins (5) and the reinforcing portion (6) in the fin portion (3) and opens in the first direction (D1).
- the heat dissipating device (1) according to the first aspect is advantageous in that it can be prevented from being damaged when exposed to vibration and has good heat dissipation.
- the reinforcing portion (6) is formed between the adjacent two fins (5) in the first direction (D2) with respect to the second direction (D2).
- D1) includes a reinforcing member (61) that is slanted so as to be displaced along D1).
- the reinforcing member (61) can increase the resonance frequency of the fin portion (3) as compared with the case where the reinforcing member (61) is not provided.
- the fin portion (3) has the first direction (D1) and the second direction (D2) except for the position where the air flow passage (4) is located. ) And the same shape over the third direction (D3) as viewed in the third direction (D3).
- the fin portion (3) can be produced by extrusion molding.
- the reinforcing portion (6) is bridged between two adjacent fins (5), It includes two reinforcing plates (64) facing each other in a third direction (D3) intersecting with one direction (D1) and the second direction (D2). Further, the air flow passage (4) includes a flow path (41) surrounded by two fins (5) and two reinforcing plates (64).
- the reinforcing plate (64) can increase the resonance frequency of the fin portion (3) as compared to the case where the reinforcing plate (64) is not provided, and the flow path (41) is the heat dissipation of the heat dissipation device (1). Can increase the sex.
- the air flow passage (4) includes a plurality of flow paths (41).
- the plurality of flow paths (41) can enhance the heat dissipation of the heat dissipation device (1).
- the heat radiating device (1) according to the sixth aspect is any one of the first to fifth aspects, wherein the air flow passage (4) and the outside of the fin portion (3) cross the first direction (D1). An air inflow hole (7) that is communicated in a direction to be further provided.
- the air inflow hole (7) causes a chimney effect in the air flow passage (4), and further improves the heat dissipation of the heat radiating device (1) compared to the case without the air inflow hole (7). be able to.
- the reinforcing portion (6) forms an air inflow hole (7).
- the reinforcing portion (6) can have both a function of lowering the resonance frequency of the fin portion (3) and a function of improving the heat dissipation of the heat dissipation device (1).
- the air inflow hole (7) is formed in the reinforcing portion (6).
- the reinforcing part (6) can have both a function of lowering the resonance frequency of the fin part (3) and a function of improving the heat dissipation of the heat dissipation device (1).
- the fin portion (3) protrudes from the reinforcing portion (6) in the first direction (D1) and the fin ( A second fin (52) having a shorter dimension along the first direction (D1) than 5) is further provided.
- the reinforcing portion (6) can support the second fin (52), and the second fin (52) has the heat dissipation property of the heat dissipation device (1), and the second fin (52) does not exist. It can be increased compared to the case.
- a power generation device (100) includes a thermoelectric power generation module (9) configured to convert thermal energy into electrical energy, and first to ninth attached to the thermoelectric power generation module (9).
- the heat dissipation device (1) according to any one of the above.
- thermoelectric power generation module (9) heat generated in the thermoelectric power generation module (9) can be radiated by the heat radiating device (1), damage to the heat radiating device (1) when exposed to vibration is suppressed, and heat radiated.
- an apparatus (1) can have favorable heat dissipation.
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Abstract
Description
以下、本発明の一実施形態に係る放熱装置1の概要について説明する。
第一例に係る放熱装置1を、図1A及び図1Bを参照して説明する。図1A及び図1Bには、第一例における第一方向D1、第二方向D2及び第三方向D3も示す。第二方向D2は第一方向D1と交差し、かつ第三方向D3は第一方向D1及び第二方向D2と交差する。このようにこれらの方向は互いに交差していればよいが、第一例では、第二方向D2は第一方向D1と直交し、かつ第三方向D3は第一方向D1及び第二方向D2と直交する。すなわち第一例では、第一方向D1、第二方向D2及び第三方向D3は互いに直交する。
第二例に係る放熱装置1を、図2A及び図2Bを参照して説明する。第二例に係る放熱装置1は、第三補強部材63を備えないこと、すなわち補強部6が第三補強部材63を含まないこと以外は、第一例に係る放熱装置1と同じ構造を有する。第二例に係る放熱装置1も、第三補強部材63を備えないこと以外は、第一例に係る放熱装置1と同じ利点を有する。
第三例に係る放熱装置1を、図3A及び図3Bを参照して説明する。図3A及び図3Bには、第三例における第一方向D1、第二方向D2及び第三方向D3も示す。これらの方向は、第一例の場合と同じである。
第四例に係る放熱装置1及び第五例に係る放熱装置1を、図4A、図4B、図5A及び図5Bをそれぞれ参照して説明する。図4A、図4B、図5A及び図5Bには、第四例及び第五例における第一方向D1、第二方向D2及び第三方向D3も示す。
以下、上記の実施形態に関連する参考形態に係る放熱装置1について、説明する。
第一参考例に係る放熱装置1を、図6A及び図6Bを参照して説明する。図6A及び図6Bには、第一参考例における第一方向D1、第二方向D2及び第三方向D3も示す。第二方向D2は第一方向D1と交差し、かつ第三方向D3は第一方向D1及び第二方向D2と交差する。このようにこれらの方向は互いに交差していればよいが、第一参考例では、第二方向D2は第一方向D1と直交し、かつ第三方向D3は第一方向D1及び第二方向D2と直交する。すなわち第一参考例では、第一方向D1、第二方向D2及び第三方向D3は互いに直交する。
第二参考例に係る放熱装置1を、図7A及び図7Bを参照して説明する。第二参考例に係る放熱装置1は、フィン部3を第二方向D2に貫通する貫通流路8を備えること以外は、第一参考例に係る放熱装置1と同じ構造を有する。
以下、本実施形態に係る発電装置100について、図8A及び図8Bを参照して説明する。
2 基部
3 フィン部
4 空気流通路
41 流路
5 フィン
52 第二フィン
6 補強部
61 補強部材
64 補強板
7 空気流入孔
71 孔
9 熱電発電モジュール
100 発電装置
Claims (10)
- 基部と、
フィン部と、
空気流通路とを備え、
前記フィン部は、前記基部から第一方向に突出しかつ前記第一方向と交差する第二方向に並ぶ複数のフィンと、前記複数のフィンのうち隣り合う二つのフィンに連結している補強部とを備え、
前記空気流通路は、前記フィン部内で前記複数のフィン及び前記補強部に囲まれ、前記第一方向に向けて開口する、
放熱装置。 - 前記補強部は、隣り合う前記二つのフィンの間に前記第二方向に対して前記第一方向に沿って変位するように傾斜して架け渡された補強部材を含む、
請求項1に記載の放熱装置。 - 前記フィン部は、前記空気流通路のある位置を除き、前記第一方向及び前記第二方向と交差する第三方向に見て前記第三方向にわたって同じ形状を有する、
請求項1又は2に記載の放熱装置。 - 前記補強部は、隣り合う前記二つのフィンの間に架け渡された、前記第一方向及び前記第二方向と交差する第三方向に対向し合う二つの補強板を含み、
前記空気流通路は、前記二つのフィンと前記二つの補強板とに囲まれた流路を含む、
請求項1から3のいずれか一項に記載の放熱装置。 - 前記空気流通路は、複数の流路を含む、
請求項1から4のいずれか一項に記載の放熱装置。 - 前記空気流通路とフィン部の外とを前記第一方向と交差する方向に通じさせる空気流入孔を更に備える、
請求項1から5のいずれか一項に記載の放熱装置。 - 前記補強部が前記空気流入孔を形成している、
請求項6に記載の放熱装置。 - 前記補強部に前記空気流入孔が形成されている、
請求項6に記載の放熱装置。 - 前記フィン部は、前記補強部から前記第一方向へ突出しかつ前記フィンよりも前記第一方向に沿った寸法が短い第二フィンを更に備える、
請求項1から8のいずれか一項に記載の放熱装置。 - 熱エネルギーを電気エネルギーに変換するように構成された熱電発電モジュールと、
前記熱電発電モジュールに取り付けられている請求項1から9のいずれか一項に記載の放熱装置とを備える、
発電装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/496,689 US20210108833A1 (en) | 2017-03-24 | 2018-03-22 | Heat dissipation device and power generator |
JP2019506966A JP6745492B2 (ja) | 2017-03-24 | 2018-03-22 | 放熱装置及び発電装置 |
KR1020197027919A KR20190121356A (ko) | 2017-03-24 | 2018-03-22 | 방열 장치 및 발전 장치 |
CN201880018950.3A CN110476246A (zh) | 2017-03-24 | 2018-03-22 | 散热装置和发电装置 |
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JP2017060115 | 2017-03-24 | ||
JP2017-060115 | 2017-03-24 |
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WO2018174153A1 true WO2018174153A1 (ja) | 2018-09-27 |
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PCT/JP2018/011386 WO2018174153A1 (ja) | 2017-03-24 | 2018-03-22 | 放熱装置及び発電装置 |
Country Status (5)
Country | Link |
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US (1) | US20210108833A1 (ja) |
JP (1) | JP6745492B2 (ja) |
KR (1) | KR20190121356A (ja) |
CN (1) | CN110476246A (ja) |
WO (1) | WO2018174153A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH104164A (ja) * | 1996-06-14 | 1998-01-06 | Toyo Radiator Co Ltd | 空冷ヒートシンク |
JPH1050903A (ja) * | 1996-08-01 | 1998-02-20 | Showa Aircraft Ind Co Ltd | ヒートシンク |
JP2004111727A (ja) * | 2002-09-19 | 2004-04-08 | Teac Corp | ヒートシンク |
JP2010177625A (ja) * | 2009-02-02 | 2010-08-12 | Toshiba Corp | 電子機器 |
JP2012049407A (ja) * | 2010-08-28 | 2012-03-08 | Awa Paper Mfg Co Ltd | 紙シートの放熱器 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07254671A (ja) | 1994-03-16 | 1995-10-03 | Fujitsu Ltd | 放熱フィン |
TW200537278A (en) * | 2004-05-13 | 2005-11-16 | Mitac Technology Corp | Fin heat sink module having a tail air-guiding section |
TWM403012U (en) * | 2010-11-03 | 2011-05-01 | Enermax Tech Corporation | Heat dissipating device having swirl generator |
JP6247090B2 (ja) * | 2013-12-26 | 2017-12-13 | 昭和電工株式会社 | 液冷式冷却装置および液冷式冷却装置用放熱器の製造方法 |
EP3220090B1 (en) * | 2014-11-10 | 2019-10-16 | Furukawa Electric Co., Ltd. | Heat sink |
-
2018
- 2018-03-22 US US16/496,689 patent/US20210108833A1/en not_active Abandoned
- 2018-03-22 CN CN201880018950.3A patent/CN110476246A/zh active Pending
- 2018-03-22 WO PCT/JP2018/011386 patent/WO2018174153A1/ja active Application Filing
- 2018-03-22 JP JP2019506966A patent/JP6745492B2/ja active Active
- 2018-03-22 KR KR1020197027919A patent/KR20190121356A/ko not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH104164A (ja) * | 1996-06-14 | 1998-01-06 | Toyo Radiator Co Ltd | 空冷ヒートシンク |
JPH1050903A (ja) * | 1996-08-01 | 1998-02-20 | Showa Aircraft Ind Co Ltd | ヒートシンク |
JP2004111727A (ja) * | 2002-09-19 | 2004-04-08 | Teac Corp | ヒートシンク |
JP2010177625A (ja) * | 2009-02-02 | 2010-08-12 | Toshiba Corp | 電子機器 |
JP2012049407A (ja) * | 2010-08-28 | 2012-03-08 | Awa Paper Mfg Co Ltd | 紙シートの放熱器 |
Also Published As
Publication number | Publication date |
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CN110476246A (zh) | 2019-11-19 |
JP6745492B2 (ja) | 2020-08-26 |
KR20190121356A (ko) | 2019-10-25 |
JPWO2018174153A1 (ja) | 2019-12-12 |
US20210108833A1 (en) | 2021-04-15 |
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