JP2013161973A - Thermoelectric conversion module - Google Patents
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 34
- 239000000758 substrate Substances 0.000 abstract description 38
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
Description
本発明は、複数の熱電素子を直列接続してなる第１熱電素子群及び第２熱電素子群を備え、第１熱電素子群の接続経路が第２熱電素子群を囲むように構成された熱電変換モジュールに関する。 The present invention includes a first thermoelectric element group and a second thermoelectric element group formed by connecting a plurality of thermoelectric elements in series, and a connection path of the first thermoelectric element group is configured to surround the second thermoelectric element group. Concerning the conversion module.
熱エネルギーと電気エネルギーとの相互変換が可能な熱電素子を用いた熱電変換モジュールは、一般に、対向する一対の基板と、各基板に接合された熱電素子と、からなる（例えば、特許文献１参照）。 A thermoelectric conversion module using a thermoelectric element capable of mutual conversion between thermal energy and electric energy generally includes a pair of opposing substrates and a thermoelectric element bonded to each substrate (see, for example, Patent Document 1). ).
特許文献１に記載の熱電変換モジュールは、対向するように配置された一対の基板と、各基板の対向する面それぞれに形成された電極と、一方の電極に一端が接続されるとともに他方の電極に他端が接続される熱電素子と、から構成されている。そして、両電極によって各熱電素子は直列接続されている。このように構成された熱電変換モジュールは、通電の極性に応じて一方の電極が吸熱を行い、他方の電極が放熱を行う。 The thermoelectric conversion module described in Patent Document 1 includes a pair of substrates disposed so as to face each other, electrodes formed on the opposing surfaces of each substrate, one end connected to one electrode, and the other electrode And a thermoelectric element to which the other end is connected. The thermoelectric elements are connected in series by both electrodes. In the thus configured thermoelectric conversion module, one electrode absorbs heat and the other electrode dissipates heat according to the polarity of energization.
ところで、各熱電素子は直列接続されている時、電極の一部が破損した場合など、各熱電素子を接続する接続経路の一部が断線した場合には、各熱電素子に電流が流れず、熱電変換モジュールが停止してしまう。 By the way, when each thermoelectric element is connected in series, when a part of the connection path connecting each thermoelectric element is broken, such as when a part of the electrode is broken, current does not flow to each thermoelectric element, The thermoelectric conversion module stops.
本発明は、このような従来技術の問題点に鑑みてなされたものであり、その目的は、接続経路の一部が断線した場合にも、作動させることができる熱電変換モジュールを提供することにある。 This invention is made | formed in view of the problem of such a prior art, The objective is to provide the thermoelectric conversion module which can be operated even when a part of connection path | route is disconnected. is there.
上記課題を解決するため、請求項１に記載の発明は、複数の熱電素子を直列接続してなる第１熱電素子群及び第２熱電素子群を備え、前記第１熱電素子群の接続経路が前記第２熱電素子群を囲むように構成された熱電変換モジュールであって、前記第１熱電素子群と前記第２熱電素子群は並列接続され、かつ、前記第２熱電素子群の接続経路は平面視蛇行状をなすことを要旨とする。 In order to solve the above problems, the invention described in claim 1 includes a first thermoelectric element group and a second thermoelectric element group formed by connecting a plurality of thermoelectric elements in series, and a connection path of the first thermoelectric element group is provided. A thermoelectric conversion module configured to surround the second thermoelectric element group, wherein the first thermoelectric element group and the second thermoelectric element group are connected in parallel, and a connection path of the second thermoelectric element group is The gist is to meander in a plan view.
これによれば、第１熱電素子群及び第２熱電素子群のいずれか一方の接続経路が断線したとしても、他方には電流が流れる。したがって、接続経路の一部が断線した場合にも、熱電変換モジュールを作動させることができる。 According to this, even if one of the connection paths of the first thermoelectric element group and the second thermoelectric element group is disconnected, a current flows through the other. Therefore, even when a part of the connection path is disconnected, the thermoelectric conversion module can be operated.
本発明によれば、接続経路の一部が断線した場合にも、熱電変換モジュールを作動させることができる。 According to the present invention, the thermoelectric conversion module can be operated even when a part of the connection path is disconnected.
以下、本発明を具体化した実施形態を図１及び図２にしたがって説明する。
図１（ａ）及び（ｂ）に示すように、熱電変換モジュール１の第１基板１０は、セラミックス等の絶縁材料製の第１絶縁基板１１と、第１絶縁基板１１の一面に形成されたアルミニウム製の第１電極層１２とからなる。第１電極層１２には、熱電素子３０の一端が半田よりなる接合層Ｈを介して接合されている。熱電素子３０は、Ｎ型熱電素子及びＰ型熱電素子から構成されている。
Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 and 2.
As shown in FIGS. 1A and 1B, the first substrate 10 of the thermoelectric conversion module 1 is formed on a first insulating substrate 11 made of an insulating material such as ceramics and one surface of the first insulating substrate 11. The first electrode layer 12 is made of aluminum. One end of the thermoelectric element 30 is bonded to the first electrode layer 12 via a bonding layer H made of solder. The thermoelectric element 30 is composed of an N-type thermoelectric element and a P-type thermoelectric element.
熱電素子３０の他端には、半田よりなる接合層Ｈを介して第２基板２０の第２電極層２２が接合されている。これにより、熱電素子３０の他端と第２電極層２２は、接合層Ｈを介して電気的に接続されている。第２基板２０は、セラミックス等の絶縁材料製の第２絶縁基板２１と、この第２絶縁基板２１の一面に形成されたアルミニウム製の第２電極層２２とからなる。第１基板１０と第２基板２０は、対向するように配置されており、第１基板１０と第２基板２０により各熱電素子３０が挟持されるように接合されている。また、複数の熱電素子３０は、第１電極層１２及び第２電極層２２によって直列接続されるとともに、Ｎ型熱電素子及びＰ型熱電素子が交互に接続されるように配設されている。 The second electrode layer 22 of the second substrate 20 is bonded to the other end of the thermoelectric element 30 via a bonding layer H made of solder. Thereby, the other end of the thermoelectric element 30 and the second electrode layer 22 are electrically connected via the bonding layer H. The second substrate 20 includes a second insulating substrate 21 made of an insulating material such as ceramics, and an aluminum second electrode layer 22 formed on one surface of the second insulating substrate 21. The first substrate 10 and the second substrate 20 are arranged so as to face each other, and are joined so that each thermoelectric element 30 is sandwiched between the first substrate 10 and the second substrate 20. Further, the plurality of thermoelectric elements 30 are connected in series by the first electrode layer 12 and the second electrode layer 22 and are arranged so that the N-type thermoelectric elements and the P-type thermoelectric elements are alternately connected.
図２（ａ）に示すように、第１絶縁基板１１を平面視したときの四辺のうち、一辺を第１辺１１ａ（図中下辺）、第１辺１１ａと対向する辺を第２辺１１ｂ（図中上辺）、第１辺１１ａ及び第２辺１１ｂと交わる辺のうち一辺を第３辺１１ｃ（図中左辺）、第３辺１１ｃと対向する辺を第４辺１１ｄ（図中右辺）とする。 As shown in FIG. 2A, of the four sides when the first insulating substrate 11 is viewed in plan, one side is the first side 11a (lower side in the figure), and the side facing the first side 11a is the second side 11b. (Upper side in the figure), among the sides intersecting with the first side 11a and the second side 11b, one side is the third side 11c (left side in the figure), and the side opposite to the third side 11c is the fourth side 11d (right side in the figure) And
第１辺１１ａ及び第２辺１１ｂの延びる方向に沿って、６個の熱電素子３０が一定間隔おきに配設されている。また、第３辺１１ｃ及び第４辺１１ｄに延びる方向に沿って、６個の熱電素子３０が一定間隔おきに配設されている。したがって、第１基板１０と第２基板２０の間には、合計３６個の熱電素子３０が配設されている。 Six thermoelectric elements 30 are arranged at regular intervals along the direction in which the first side 11a and the second side 11b extend. In addition, six thermoelectric elements 30 are arranged at regular intervals along the direction extending to the third side 11c and the fourth side 11d. Therefore, a total of 36 thermoelectric elements 30 are disposed between the first substrate 10 and the second substrate 20.
複数の熱電素子３０のうち、第２辺１１ｂ、第３辺１１ｃ及び第４辺１１ｄの延びる方向に沿って配設されている複数の熱電素子３０は、一繋ぎで直列接続され、それらの熱電素子３０によって第１熱電素子群３１が形成されている。本実施形態では、第１熱電素子群３１は、１６個の熱電素子３０によって形成されている。また、複数の熱電素子３０のうち、第１熱電素子群３１に囲まれる複数の熱電素子３０は、一繋ぎで直列接続され、それらの熱電素子３０によって第２熱電素子群３２が形成されている。本実施形態では、第２熱電素子群３２は、２０個の熱電素子３０によって形成されている。したがって、第１熱電素子群３１と第２熱電素子群３２とでは、第２熱電素子群３２の方が熱電素子３０の数が多くなっている。 Among the plurality of thermoelectric elements 30, the plurality of thermoelectric elements 30 disposed along the extending direction of the second side 11b, the third side 11c, and the fourth side 11d are connected in series and connected to each other. The element 30 forms a first thermoelectric element group 31. In the present embodiment, the first thermoelectric element group 31 is formed by 16 thermoelectric elements 30. In addition, among the plurality of thermoelectric elements 30, the plurality of thermoelectric elements 30 surrounded by the first thermoelectric element group 31 are connected in series with each other, and the second thermoelectric element group 32 is formed by these thermoelectric elements 30. . In the present embodiment, the second thermoelectric element group 32 is formed by 20 thermoelectric elements 30. Therefore, in the first thermoelectric element group 31 and the second thermoelectric element group 32, the second thermoelectric element group 32 has a larger number of thermoelectric elements 30.
図２（ｂ）に示すように、第１熱電素子群３１の熱電素子３０を直列接続する複数の電極層１２，２２により、一繋ぎの第１接続経路４１が形成され、第１接続経路４１は、平面視コ字状に延びている。また、第２熱電素子群３２の熱電素子３０を直列接続する複数の電極層１２，２２により、一繋ぎの第２接続経路４２が形成され、第２接続経路４２は、Ｍ字状をなすように折り返され平面視蛇行状に延びている。そして、第１接続経路４１と第２接続経路４２は、電源４３に並列接続されている。すなわち、第１熱電素子群３１と第２熱電素子群３２は並列接続されている。各熱電素子群３１，３２の複数の熱電素子３０のうち、電源４３の正極及び負極に接続される熱電素子３０は第１辺１１ａの延びる方向に沿って配設され、同一線上に位置している。 As shown in FIG. 2 (b), a plurality of electrode layers 12, 22 connecting the thermoelectric elements 30 of the first thermoelectric element group 31 in series form a continuous first connection path 41, and the first connection path 41 Extends in a U shape in plan view. A plurality of electrode layers 12 and 22 that connect the thermoelectric elements 30 of the second thermoelectric element group 32 in series form a second connection path 42 that is connected, and the second connection path 42 has an M shape. And is extended in a serpentine shape in plan view. The first connection path 41 and the second connection path 42 are connected in parallel to the power source 43. That is, the first thermoelectric element group 31 and the second thermoelectric element group 32 are connected in parallel. Among the plurality of thermoelectric elements 30 in each thermoelectric element group 31, 32, the thermoelectric elements 30 connected to the positive electrode and the negative electrode of the power source 43 are arranged along the direction in which the first side 11a extends and are located on the same line. Yes.
上記のように構成された熱電変換モジュール１は、通電の極性に応じて第１電極層１２と第２電極層２２が吸熱及び放熱の反する作用を行う。そして、第１絶縁基板１１及び第２絶縁基板２１を介して冷却対象や加熱対象（例えば、熱交換媒体）を冷却したり加熱したりすることができ、例えば、車両に搭載される電池の温度調節を行う熱交換媒体を冷却したり加熱したりすることで、電池の温度調節を行うことができる。 In the thermoelectric conversion module 1 configured as described above, the first electrode layer 12 and the second electrode layer 22 perform an action in which heat absorption and heat dissipation are opposite in accordance with the polarity of energization. Then, the object to be cooled or the object to be heated (for example, the heat exchange medium) can be cooled or heated via the first insulating substrate 11 and the second insulating substrate 21, for example, the temperature of the battery mounted on the vehicle The temperature of the battery can be adjusted by cooling or heating the heat exchange medium to be adjusted.
次に、本実施形態における熱電変換モジュール１の作用について説明する。
熱電変換モジュール１に通電を行うと、第１電極層１２及び第２電極層２２のうち、一方が吸熱を行い、他方が放熱を行う。万一、熱電変換モジュール１の第１接続経路４１及び第２接続経路４２のうち一方が断線した場合であっても、他方には電流が流れ、熱電変換モジュール１の作動状態が維持される。
Next, the effect | action of the thermoelectric conversion module 1 in this embodiment is demonstrated.
When the thermoelectric conversion module 1 is energized, one of the first electrode layer 12 and the second electrode layer 22 absorbs heat and the other dissipates heat. Even if one of the first connection path 41 and the second connection path 42 of the thermoelectric conversion module 1 is disconnected, a current flows through the other, and the operation state of the thermoelectric conversion module 1 is maintained.
したがって、上記実施形態によれば以下のような効果を得ることができる。
（１）熱電変換モジュール１において、第１接続経路４１により直列接続された第１熱電素子群３１と第２接続経路４２により直列接続された第２熱電素子群３２は電源４３に並列接続されている。このため、第１接続経路４１及び第２接続経路４２のうちいずれか一方が断線したとしても、熱電変換モジュール１では、他方には電流を流すことができるため、熱電変換モジュール１を作動させることができる。
Therefore, according to the above embodiment, the following effects can be obtained.
(1) In the thermoelectric conversion module 1, the first thermoelectric element group 31 connected in series by the first connection path 41 and the second thermoelectric element group 32 connected in series by the second connection path 42 are connected in parallel to the power supply 43. Yes. For this reason, even if either one of the first connection path 41 and the second connection path 42 is disconnected, in the thermoelectric conversion module 1, current can flow through the other, so the thermoelectric conversion module 1 is operated. Can do.
（２）各熱電素子群３１，３２の複数の熱電素子３０のうち、電源４３に接続される熱電素子３０は、第１辺１１ａに沿って同一線上に位置している。例えば、第１熱電素子群３１及び第２熱電素子群３２の接続経路が円形状をなし、第１熱電素子群３１が第２熱電素子群３２を取り囲むように同心円上に配設される場合、第２熱電素子群３２の複数の熱電素子３０のうち、電源４３に接続される熱電素子３０は、第１熱電素子群３１の複数の熱電素子３０のうち、電源４３に接続される熱電素子３０よりも電源４３から離れた位置に配設されてしまう。しかし、本実施形態では、各熱電素子群３１，３２の複数の熱電素子３０のうち、電源４３に接続される熱電素子３０を第１辺１１ａに沿って同一線上に配設することで、第２熱電素子群３２の複数の熱電素子３０のうち、電源４３に接続される熱電素子３０から電源４３までの距離を短くすることができる。このため、配線が長くなることによる抵抗（配線の内部抵抗）の増加を抑制することができる。 (2) Among the plurality of thermoelectric elements 30 of each thermoelectric element group 31, 32, the thermoelectric element 30 connected to the power source 43 is located on the same line along the first side 11a. For example, when the connection path of the first thermoelectric element group 31 and the second thermoelectric element group 32 has a circular shape, and the first thermoelectric element group 31 is disposed on a concentric circle so as to surround the second thermoelectric element group 32, Among the plurality of thermoelectric elements 30 in the second thermoelectric element group 32, the thermoelectric element 30 connected to the power source 43 is the thermoelectric element 30 connected to the power source 43 among the plurality of thermoelectric elements 30 in the first thermoelectric element group 31. Rather than the power supply 43. However, in the present embodiment, among the plurality of thermoelectric elements 30 of the thermoelectric element groups 31 and 32, the thermoelectric elements 30 connected to the power source 43 are arranged on the same line along the first side 11a. Among the plurality of thermoelectric elements 30 in the two thermoelectric element group 32, the distance from the thermoelectric element 30 connected to the power source 43 to the power source 43 can be shortened. For this reason, it is possible to suppress an increase in resistance (internal resistance of the wiring) due to the length of the wiring.
（３）第２熱電素子群３２の複数の熱電素子３０は、平面視蛇行状に延びる第２接続経路４２によって直列接続されている。第２接続経路４２を蛇行状に形成することで、接続経路を第１接続経路４１のようにコ字状に形成する場合に比べて、第２接続経路４２の長さを長くすることができる。この結果として、一定間隔おきに配設された熱電素子３０を直列接続する場合、第１熱電素子群３１の熱電素子３０の数に比べて第２熱電素子群３２の熱電素子３０の数を多くすることができる。熱電変換モジュール１の作動時には、絶縁基板１１，２１の反りにより、絶縁基板１１，２１の外周側に応力が発生しやすいことから、第１接続経路４１は、第２接続経路４２に比べて断線しやすい。このため、断線しにくい第２接続経路４２によって接続される第２熱電素子群３２の熱電素子３０の数を多くすることで、第１接続経路４１の断線時に、電流が流れなくなる熱電素子３０の数を減らすことができる。 (3) The plurality of thermoelectric elements 30 in the second thermoelectric element group 32 are connected in series by a second connection path 42 extending in a meandering manner in plan view. By forming the second connection path 42 in a meandering manner, the length of the second connection path 42 can be made longer than when the connection path is formed in a U-shape like the first connection path 41. . As a result, when the thermoelectric elements 30 arranged at regular intervals are connected in series, the number of thermoelectric elements 30 in the second thermoelectric element group 32 is larger than the number of thermoelectric elements 30 in the first thermoelectric element group 31. can do. During the operation of the thermoelectric conversion module 1, stress is likely to be generated on the outer peripheral side of the insulating substrates 11, 21 due to warpage of the insulating substrates 11, 21. Therefore, the first connection path 41 is disconnected compared to the second connection path 42. It's easy to do. For this reason, by increasing the number of thermoelectric elements 30 of the second thermoelectric element group 32 connected by the second connection path 42 that is difficult to be disconnected, the current of the thermoelectric element 30 that does not flow current when the first connection path 41 is disconnected. The number can be reduced.
（４）熱電変換モジュール１は、例えば、車両に搭載され、車両の動力源となる電池の温度調節を行う熱交換媒体を冷却したり加熱したりするために車両に搭載される。そして、第１接続経路４１及び第２接続経路４２のうち一方が断線しても、他方に電流を流すことができるため、熱電変換モジュール１を作動させ続けることができる。このため、電池の温度調節を維持させ、電池を適正な温度にすることができ、電池からの電力により車両は適切な走行を行うことができる。 (4) The thermoelectric conversion module 1 is mounted on a vehicle, for example, to cool or heat a heat exchange medium that adjusts the temperature of a battery that is a power source of the vehicle. Then, even if one of the first connection path 41 and the second connection path 42 is disconnected, a current can be passed to the other, so that the thermoelectric conversion module 1 can be continuously operated. For this reason, the temperature control of the battery can be maintained, the battery can be brought to an appropriate temperature, and the vehicle can appropriately travel with the electric power from the battery.
なお、実施形態は以下のように変更してもよい。
○ 実施形態において、平面視Ｍ字状をなすように第２接続経路４２を形成したが、第２接続経路４２の蛇行形状は実施形態に限られず、例えば、図３（ａ）〜（ｄ）に示すように任意の形状に変更してもよい。
In addition, you may change embodiment as follows.
In the embodiment, the second connection path 42 is formed so as to be M-shaped in plan view, but the meandering shape of the second connection path 42 is not limited to the embodiment, and for example, FIGS. 3 (a) to 3 (d). It may be changed to an arbitrary shape as shown in FIG.
○ 実施形態において、第１熱電素子群３１の内側に１つの第２熱電素子群３２を設けたが、図４に示すように、複数の第２熱電素子群３２を設けてもよい。
○ 実施形態において、熱電素子３０を３６個配設したが、熱電素子３０の数は増減させてもよい。
In the embodiment, one second thermoelectric element group 32 is provided inside the first thermoelectric element group 31, but a plurality of second thermoelectric element groups 32 may be provided as shown in FIG.
In the embodiment, 36 thermoelectric elements 30 are arranged, but the number of thermoelectric elements 30 may be increased or decreased.
○ 実施形態において、熱電素子３０を一定間隔おきに配設したが、熱電素子３０を異なる間隔で配設してもよい。この場合であっても、第２接続経路４２が蛇行状をなすように第２熱電素子群３２を接続する。 In the embodiment, the thermoelectric elements 30 are arranged at regular intervals, but the thermoelectric elements 30 may be arranged at different intervals. Even in this case, the second thermoelectric element group 32 is connected so that the second connection path 42 has a meandering shape.
○ 実施形態において、各電極層１２，２２は、アルミニウム製としたが、熱伝導率の高い他の材料製であってもよい。例えば、銅製であってもよい。
○ 実施形態において、第１基板１０及び第２基板２０は、単一の基板を用いたが、複数に分割されている基板を用いてもよい。この場合であっても、複数の基板に跨って第１接続経路４１及び第２接続経路４２が延びて、第１熱電素子群３１の内側に第２熱電素子群３２が配設される。また、各基板毎に第１熱電素子群３１及び第２熱電素子群３２を設けてもよい。
In the embodiment, the electrode layers 12 and 22 are made of aluminum, but may be made of other materials having high thermal conductivity. For example, it may be made of copper.
In the embodiment, a single substrate is used as the first substrate 10 and the second substrate 20, but a substrate divided into a plurality of substrates may be used. Even in this case, the first connection path 41 and the second connection path 42 extend over the plurality of substrates, and the second thermoelectric element group 32 is disposed inside the first thermoelectric element group 31. Further, the first thermoelectric element group 31 and the second thermoelectric element group 32 may be provided for each substrate.
○ 実施形態において、第１接続経路４１は、平面視コ字状をなすようにしたが、平面視蛇行状をなすようにしてもよい。
○ 実施形態において、第１熱電素子群３１の熱電素子３０の数を第２熱電素子群３２の熱電素子３０の数よりも多くしてもよい。また、第１熱電素子群３１の熱電素子３０の数と第２熱電素子群３２の熱電素子３０の数を同じ数にしてもよい。
In the embodiment, the first connection path 41 has a U shape in plan view, but may have a serpentine shape in plan view.
In the embodiment, the number of thermoelectric elements 30 in the first thermoelectric element group 31 may be larger than the number of thermoelectric elements 30 in the second thermoelectric element group 32. The number of thermoelectric elements 30 in the first thermoelectric element group 31 may be the same as the number of thermoelectric elements 30 in the second thermoelectric element group 32.
○ 実施形態において、第１熱電素子群３１の外側に更に熱電素子群を配設してもよい。
次に、上記実施形態及び別例から把握できる技術的思想について、以下に追記する。
In the embodiment, a thermoelectric element group may be further disposed outside the first thermoelectric element group 31.
Next, the technical idea that can be grasped from the above embodiment and other examples will be described below.
（イ）前記第２熱電素子群の前記熱電素子の数は、前記第１熱電素子群の前記熱電素子の数に比べて多いことを特徴とする請求項１に記載の熱電変換モジュール。
（ロ）前記第１熱電素子群の複数の熱電素子３０のうち、電源に接続される熱電素子と前記第２熱電素子群の複数の熱電素子３０のうち、電源に接続される熱電素子とは、前記熱電素子が接合される基板の一辺に沿って同一線上に配設されることを特徴とする請求項１又は技術的思想（イ）に記載の熱電変換モジュール。
(B) The thermoelectric conversion module according to claim 1, wherein the number of the thermoelectric elements in the second thermoelectric element group is larger than the number of the thermoelectric elements in the first thermoelectric element group.
(B) Among the plurality of thermoelectric elements 30 in the first thermoelectric element group, what is the thermoelectric element connected to the power source out of the plurality of thermoelectric elements 30 in the second thermoelectric element group? 2. The thermoelectric conversion module according to claim 1, wherein the thermoelectric conversion module is disposed on the same line along one side of the substrate to which the thermoelectric element is bonded.
（ハ）電池を動力源とする車両であって、請求項１、技術的思想（イ）及び（ロ）のいずれかに記載の熱電変換モジュールが搭載されるとともに、前記熱電変換モジュールによって前記電池の温度調節が行われることを特徴とする車両。 (C) A vehicle using a battery as a power source, wherein the thermoelectric conversion module according to any one of claims 1 and 1 (1) and (b) is mounted, and the battery is used by the thermoelectric conversion module. The vehicle is characterized in that the temperature is adjusted.
１…熱電変換モジュール、１０…第１基板、２０…第２基板、３０…熱電素子、３１…第１熱電素子群、３２…第２熱電素子群、４１…第１接続経路、４２…第２接続経路。 DESCRIPTION OF SYMBOLS 1 ... Thermoelectric conversion module, 10 ... 1st board | substrate, 20 ... 2nd board | substrate, 30 ... Thermoelectric element, 31 ... 1st thermoelectric element group, 32 ... 2nd thermoelectric element group, 41 ... 1st connection path, 42 ... 2nd Connection path.
Claims (1)
前記第１熱電素子群と前記第２熱電素子群は並列接続され、かつ、前記第２熱電素子群の接続経路は平面視蛇行状をなすことを特徴とする熱電変換モジュール。 A thermoelectric conversion module comprising a first thermoelectric element group and a second thermoelectric element group formed by connecting a plurality of thermoelectric elements in series, and wherein a connection path of the first thermoelectric element group surrounds the second thermoelectric element group Because
The thermoelectric conversion module, wherein the first thermoelectric element group and the second thermoelectric element group are connected in parallel, and a connection path of the second thermoelectric element group has a meandering shape in plan view.
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| WO2016092915A1 (en) * | 2014-12-10 | 2016-06-16 | 日本サーモスタット株式会社 | Thermoelectric conversion module |
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