JP5596576B2 - Thermoelectric device - Google Patents

Thermoelectric device Download PDF

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JP5596576B2
JP5596576B2 JP2011011441A JP2011011441A JP5596576B2 JP 5596576 B2 JP5596576 B2 JP 5596576B2 JP 2011011441 A JP2011011441 A JP 2011011441A JP 2011011441 A JP2011011441 A JP 2011011441A JP 5596576 B2 JP5596576 B2 JP 5596576B2
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thermoelectric
heat
heat transfer
thermoelectric element
transfer grease
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JP2012156169A (en
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真樹 森田
渉 門脇
尚也 横町
元章 奥田
直人 守作
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Toyota Industries Corp
Toyota Motor Corp
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Toyota Motor Corp
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Priority to JP2011011441A priority Critical patent/JP5596576B2/en
Priority to US13/980,430 priority patent/US20130291921A1/en
Priority to PCT/IB2012/000034 priority patent/WO2012098446A2/en
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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
    • 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
    • H01L23/38—Cooling arrangements using the Peltier effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00478—Air-conditioning devices using the Peltier effect
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
    • H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Description

本発明は、熱電素子のペルチェ効果により形成される温度差を利用して電子機器の冷却を行う熱電装置に関する。   The present invention relates to a thermoelectric device that cools an electronic device using a temperature difference formed by a Peltier effect of a thermoelectric element.

車両における熱の有効利用を図るため、ゼーベック効果、ペルチェ効果、トムソン効果といった、熱電素子の熱と電気を関係づける現象を利用した熱電装置の車両への搭載が検討されている。   In order to effectively use heat in a vehicle, mounting of a thermoelectric device on a vehicle using a phenomenon relating the heat and electricity of a thermoelectric element such as Seebeck effect, Peltier effect, and Thomson effect has been studied.

そして従来、そうした熱電装置として、特許文献１に記載の装置が提案されている。同文献に記載の熱電装置は、熱電素子のゼーベック効果により、排気の熱を電気に変換して、発電を行うものとなっている。この熱電装置は、排気管から順に、熱電素子モジュールの加熱部、熱電素子モジュールの冷却部、熱電素子の冷却部を冷却する水冷式のクーラー、熱電素子の出力を電力変換するＤＣ−ＤＣコンバーターが配設された構成となっている。   Conventionally, as such a thermoelectric device, a device described in Patent Document 1 has been proposed. The thermoelectric device described in this document performs power generation by converting the heat of exhaust gas into electricity by the Seebeck effect of a thermoelectric element. The thermoelectric device includes a heating unit of the thermoelectric element module, a cooling unit of the thermoelectric element module, a water-cooled cooler that cools the cooling unit of the thermoelectric element, and a DC-DC converter that converts the output of the thermoelectric element in order from the exhaust pipe. The arrangement is arranged.

特開２００５−５１９５２号公報JP 2005-51952 A

ところで、排気管やクーラーと熱電素子モジュールとの接触熱抵抗を低減するため、これらの間に伝熱グリース層を設けることがある。ただし、伝熱グリース層に空気が混入すると、接触熱抵抗が大きくなり、熱電装置の効率が低下する。そこで、従来にあっては、ボルトの締結により圧力をかけることで、伝熱グリース層から空気を排除するようにしている。しかしながら、こうした場合には、熱電装置の設置に際してボルトを締結作業が必要となり、設置性が悪化する。   By the way, in order to reduce the contact thermal resistance between the exhaust pipe or cooler and the thermoelectric element module, a heat transfer grease layer may be provided between them. However, if air is mixed into the heat transfer grease layer, the contact thermal resistance increases and the efficiency of the thermoelectric device decreases. Therefore, conventionally, air is excluded from the heat transfer grease layer by applying pressure by fastening bolts. However, in such a case, it is necessary to fasten the bolts when installing the thermoelectric device, and the installation property deteriorates.

本発明は、こうした実情に鑑みてなされたものであり、その解決しようとする課題は、ボルト締結を行わずとも、伝熱グリース層への空気の混入を抑制することのできる熱電装置を提供することにある。   The present invention has been made in view of such circumstances, and a problem to be solved is to provide a thermoelectric device capable of suppressing air from entering a heat transfer grease layer without performing bolt fastening. There is.

上記課題を解決するため、請求項１に記載の熱電装置は、鉛直上側を冷却側とし、鉛直下側を加熱側とするように配置された熱電素子の冷却側に、鉛直上方から順に、冷却対象となる電子機器、常時冷水が流れてその冷水により前記電子機器を冷却するとともに、その冷水の熱が前記熱電素子の冷却側に吸熱される吸熱交換器、伝熱グリース層を配置し、かつ前記伝熱グリース層を、同伝熱グリース層への空気の混入を抑制可能な圧力が前記電子機器の自重により加わった状態とするとともに、前記伝熱グリース層に圧力を加えるためのボルト締結を行わないようにしている。 In order to solve the above-mentioned problem, the thermoelectric device according to claim 1, in order from the top vertically, cools the cooling side of the thermoelectric element arranged so that the vertical upper side is the cooling side and the vertical lower side is the heating side. A target electronic device, cold water always flows and cools the electronic device with the cold water, a heat absorption exchanger in which the heat of the cold water is absorbed by the cooling side of the thermoelectric element, a heat transfer grease layer , and The heat transfer grease layer is in a state where a pressure capable of suppressing air mixing into the heat transfer grease layer is applied by its own weight, and a bolt is fastened to apply pressure to the heat transfer grease layer. I do not do it.

上記構成では、電子機器の自重により伝熱グリース層に圧力がかかるようになる。そのため、ボルト締結を行わずとも、伝熱グリース層への空気の混入を抑制することができるようになる。   In the above configuration, pressure is applied to the heat transfer grease layer due to the weight of the electronic device. For this reason, it is possible to suppress the mixing of air into the heat transfer grease layer without performing bolt fastening.

なお、電子機器としては、例えば請求項２によるようなＤＣ−ＤＣコンバーターなど、冷却を必要とする任意の車載電子機器を採用可能である。そして請求項３によるような、熱電素子の駆動電圧を調整するＤＣ−ＤＣコンバーターを電子機器とすることも可能である。   In addition, as an electronic device, arbitrary vehicle-mounted electronic devices which require cooling, such as a DC-DC converter according to claim 2, for example, can be employed. A DC-DC converter that adjusts the driving voltage of the thermoelectric element as in claim 3 can be used as the electronic device.

また請求項４によるように本発明の熱電装置は、熱電素子の加熱側に、鉛直上方から順に、伝熱グリース層、放熱交換器、断熱層が配置された構成とすることが可能である。 According to the fourth aspect of the present invention, the thermoelectric device of the present invention can be configured such that a heat transfer grease layer, a heat radiation exchanger, and a heat insulation layer are arranged in this order from the vertically upper side on the heating side of the thermoelectric element .

本発明の一実施の形態に係る熱電装置の適用される熱電空調装置の全体構成を模式的に示す略図。BRIEF DESCRIPTION OF THE DRAWINGS The schematic which shows typically the whole structure of the thermoelectric air conditioner with which the thermoelectric apparatus which concerns on one embodiment of this invention is applied. 同実施の形態の熱電装置の分解斜視構造を示す斜視図。The perspective view which shows the disassembled perspective structure of the thermoelectric apparatus of the embodiment. 同実施の形態の熱電装置の斜視構造を示す斜視図。The perspective view which shows the perspective structure of the thermoelectric apparatus of the embodiment. 同実施の形態の熱電装置の熱電モジュール及びその周辺の側部断面構造を示す断面図。Sectional drawing which shows the thermoelectric module of the thermoelectric apparatus of the embodiment, and the side part sectional structure of the periphery. 同実施の形態の熱電装置の熱電モジュールの側部断面構造を示す断面図。Sectional drawing which shows the side part cross-section of the thermoelectric module of the thermoelectric apparatus of the embodiment.

（第１の実施の形態）
以下、本発明の熱電装置を具体化した一実施の形態を、図１〜図５を参照して詳細に説明する。 (First embodiment)
DESCRIPTION OF EMBODIMENTS Hereinafter, an embodiment embodying a thermoelectric device of the present invention will be described in detail with reference to FIGS.

本実施の形態の熱電装置１は、図１に示すような車両の熱電空調装置に設けられている。
熱電装置１は、熱電素子（ペルチェ素子）のペルチェ効果を利用して温度差を形成する熱電素子モジュール２を中心として形成されている。熱電素子モジュール２は、鉛直上側を冷却側とし、鉛直下側を加熱側とするように配置されている。熱電素子モジュール２の鉛直上側（冷却側）には、冷水が流れる吸熱交換器３が配置され、更にその上方には、熱電素子モジュール２の駆動電圧を調整するＤＣ−ＤＣコンバーター４が配設されている。一方、熱電素子モジュール２の鉛直下側（加熱側）には、温水が流れる放熱交換器５が設置されている。 The thermoelectric device 1 of the present embodiment is provided in a thermoelectric air conditioner for a vehicle as shown in FIG.
The thermoelectric device 1 is formed around a thermoelectric element module 2 that forms a temperature difference using the Peltier effect of a thermoelectric element (Peltier element). The thermoelectric element module 2 is arranged so that the vertical upper side is the cooling side and the vertical lower side is the heating side. A heat absorption exchanger 3 through which chilled water flows is arranged on the vertical upper side (cooling side) of the thermoelectric element module 2, and a DC-DC converter 4 for adjusting the driving voltage of the thermoelectric element module 2 is further arranged above the heat absorption exchanger 3. ing. On the other hand, a heat radiation exchanger 5 through which hot water flows is installed on the lower side (heating side) of the thermoelectric element module 2.

吸熱交換器３は、冷水の熱を外気に放熱するラジエーター６との間で、冷水を循環する冷水回路を形成している。また放熱交換器５は、温水の熱で車室内に送風される空気を温めるヒーターコア７との間で、温水を循環する温水回路を形成している。   The heat absorption exchanger 3 forms a chilled water circuit that circulates the chilled water with the radiator 6 that radiates the heat of the chilled water to the outside air. In addition, the heat exchanger 5 forms a hot water circuit that circulates the hot water with the heater core 7 that warms the air blown into the vehicle interior by the heat of the hot water.

図２にその分解斜視構造を示すように、熱電装置１の熱電素子モジュール２の鉛直上側（冷却側）には、鉛直上方から順に、ＤＣ−ＤＣコンバーター４、吸熱交換器３、伝熱グリース層８が配置されている。また熱電素子モジュール２の鉛直下側（加熱側）には、鉛直上方から順に、伝熱グリース層９、放熱交換器５、断熱層１０が配置されている。そしてこれらを順に積層することで、図３に示すような熱電装置１が形成されている。   As shown in the exploded perspective structure in FIG. 2, on the vertical upper side (cooling side) of the thermoelectric element module 2 of the thermoelectric device 1, the DC-DC converter 4, the heat absorption exchanger 3, the heat transfer grease layer are arranged in this order from the vertical upper side. 8 is arranged. In addition, a heat transfer grease layer 9, a heat radiation exchanger 5, and a heat insulation layer 10 are arranged in the vertical lower side (heating side) of the thermoelectric element module 2 in order from the vertical upper side. And these are laminated | stacked in order, and the thermoelectric apparatus 1 as shown in FIG. 3 is formed.

図４に示すように、熱電素子モジュール２は、伝熱グリース層８，９を間において、吸熱交換器３と放熱交換器５との間に挟み込まれた態様で配設されている。
図５に熱電素子モジュール２の側部断面構造を示すように、熱電素子モジュール２の熱電素子（ペルチェ素子）を構成するＰ型半導体１１ｐ、Ｎ型半導体１１ｎの鉛直上側（冷却側）は、はんだ１２を介して絶縁基板１３上に設けられた電極１４に接続されている。またＰ型半導体１１ｐ及びＮ型半導体１１ｎの鉛直下側（加熱側）は、はんだ１５を介して絶縁基板１６上に設けられた電極１７に接続されている。 As shown in FIG. 4, the thermoelectric element module 2 is arranged in such a manner that it is sandwiched between the heat absorption exchanger 3 and the heat dissipation exchanger 5 with the heat transfer grease layers 8 and 9 interposed therebetween.
As shown in the side sectional structure of the thermoelectric element module 2 in FIG. 5, the vertical upper side (cooling side) of the P-type semiconductor 11p and the N-type semiconductor 11n constituting the thermoelectric element (Peltier element) of the thermoelectric element module 2 is soldered. 12 is connected to an electrode 14 provided on an insulating substrate 13. The vertical lower side (heating side) of the P-type semiconductor 11p and the N-type semiconductor 11n is connected to an electrode 17 provided on the insulating substrate 16 via a solder 15.

次に、以上のように構成された熱電装置の作用を説明する。
熱電装置１の吸熱側には、冷水が常時流れる吸熱交換器３が配置されており、その上面に配置されたＤＣ−ＤＣコンバーター４がその冷水により冷却される。 Next, the operation of the thermoelectric device configured as described above will be described.
On the heat absorption side of the thermoelectric device 1, an endothermic exchanger 3 through which cold water always flows is disposed, and the DC-DC converter 4 disposed on the upper surface thereof is cooled by the cold water.

一方、熱電装置１は、ＤＣ−ＤＣコンバーター４により調整された駆動電圧により駆動して、その冷却側と加熱側との間に温度差を形成する。具体的には、熱電装置１は、その冷却側において吸熱交換器３を流れる冷水の熱から吸熱した熱を加熱側に伝達して、熱電装置１の加熱側に配置された放熱交換器５を流れる温水を加熱する。こうして加熱された温水は、ヒーターコア７に搬送され、その熱は車室内の暖房に使用される。   On the other hand, the thermoelectric device 1 is driven by the drive voltage adjusted by the DC-DC converter 4 to form a temperature difference between the cooling side and the heating side. Specifically, the thermoelectric device 1 transmits heat absorbed from the heat of cold water flowing through the heat absorption exchanger 3 on the cooling side to the heating side, and the heat dissipation exchanger 5 disposed on the heating side of the thermoelectric device 1 is transferred to the thermoelectric device 1. Heat the flowing warm water. The heated hot water is conveyed to the heater core 7 and the heat is used for heating the passenger compartment.

以上の本実施の形態の熱電装置によれば、以下の効果を奏することができる。
（１）本実施の形態の熱電装置１では、鉛直上側を冷却側とし、鉛直下側を加熱側とするように配置された熱電素子モジュール２の冷却側に、鉛直上方から順に、ＤＣ−ＤＣコンバーター４、吸熱交換器３、伝熱グリース層８を配置している。また熱電素子モジュール２の加熱側に、鉛直上方から順に、伝熱グリース層９、放熱交換器５、断熱層１０を配置している。こうした本実施の形態の熱電装置１では、ＤＣ−ＤＣコンバーター４の自重により伝熱グリース層８，９に圧力がかかるようになる。そのため、ボルト締結を行わずとも、伝熱グリース層８，９への空気の混入を抑制することができる。 According to the thermoelectric device of the present embodiment described above, the following effects can be obtained.
(1) In the thermoelectric device 1 of the present embodiment, the DC-DC is sequentially applied from the vertically upper side to the cooling side of the thermoelectric element module 2 arranged so that the vertical upper side is the cooling side and the vertical lower side is the heating side. A converter 4, a heat absorption exchanger 3, and a heat transfer grease layer 8 are disposed. Further, on the heating side of the thermoelectric element module 2, a heat transfer grease layer 9, a heat radiation exchanger 5, and a heat insulation layer 10 are arranged in this order from vertically above. In the thermoelectric device 1 of this embodiment, pressure is applied to the heat transfer grease layers 8 and 9 due to the weight of the DC-DC converter 4. Therefore, it is possible to suppress air from entering the heat transfer grease layers 8 and 9 without performing bolt fastening.

（２）本実施の形態の熱電装置１では、熱電素子モジュール２の吸熱側の吸熱交換器３に常時冷水が流されており、その上面にＤＣ−ＤＣコンバーター４を配置するようにしている。そのため、車室内の空調のための熱交換と併せて、ＤＣ−ＤＣコンバーター４の冷却を行うことができる。   (2) In the thermoelectric device 1 of the present embodiment, cold water is constantly flowing through the heat absorption exchanger 3 on the heat absorption side of the thermoelectric element module 2, and the DC-DC converter 4 is arranged on the upper surface thereof. Therefore, the DC-DC converter 4 can be cooled together with heat exchange for air conditioning in the passenger compartment.

（３）本実施の形態では、ＤＣ−ＤＣコンバーター４の損失熱の一部を熱電素子モジュール２が吸熱するため、ラジエーター６に要求される冷却能力をその分低減することができる。そのため、ラジエーター６の小型化が可能となる。   (3) In the present embodiment, since the thermoelectric element module 2 absorbs part of the heat loss of the DC-DC converter 4, the cooling capacity required for the radiator 6 can be reduced accordingly. Therefore, the radiator 6 can be downsized.

（４）本実施の形態では、熱電素子モジュール２とＤＣ−ＤＣコンバーター４とが近接している。そのため、配線を短くすることができ、その分電気損失を低減することができる。   (4) In the present embodiment, the thermoelectric element module 2 and the DC-DC converter 4 are close to each other. Therefore, the wiring can be shortened, and the electrical loss can be reduced accordingly.

なお、上記実施の形態は、以下のように変更して実施することもできる。
・上記実施の形態では、熱電素子モジュール２の加熱側に、鉛直上方から順に、伝熱グリース層９、放熱交換器５、断熱層１０を配置するようにしていたが、熱電素子モジュール２の加熱側の機器類や層の配置は、これに限らず適宜変更しても良い。いずれにせよ、熱電素子モジュール２の冷却側に、鉛直上方から順に、ＤＣ−ＤＣコンバーター４、吸熱交換器３、伝熱グリース層８が配置された構成となっていれば、ＤＣ−ＤＣコンバーター４の自重で伝熱グリース層８に圧力をかけ、空気の混入を抑制することができる。 In addition, the said embodiment can also be changed and implemented as follows.
In the above embodiment, the heat transfer grease layer 9, the heat radiation exchanger 5, and the heat insulation layer 10 are arranged in order from the top vertically on the heating side of the thermoelectric element module 2. The arrangement of the devices and layers on the side is not limited to this, and may be changed as appropriate. In any case, if the DC-DC converter 4, the heat absorption exchanger 3, and the heat transfer grease layer 8 are arranged in this order from the top vertically on the cooling side of the thermoelectric element module 2, the DC-DC converter 4 It is possible to apply a pressure to the heat transfer grease layer 8 by its own weight, and to suppress the mixing of air.

・上記実施の形態では、冷却対象となる電子機器として、熱電素子モジュール２の駆動電圧を調整するＤＣ−ＤＣコンバーター４が設けられた構成となっていたが、それ以外の電子機器、例えばモーターの駆動電圧を調整するモーター用インバーターなどを冷却対象となる電子機器として設けた構成とすることも可能である。   In the above embodiment, the DC-DC converter 4 that adjusts the driving voltage of the thermoelectric element module 2 is provided as an electronic device to be cooled. However, other electronic devices such as motors are used. It is also possible to adopt a configuration in which an inverter for a motor for adjusting the driving voltage is provided as an electronic device to be cooled.

・上記実施の形態では、本発明の熱電装置を車両の熱電空調装置に使用していたが、本発明の熱電装置は、それ以外の用途にも使用することができる。   In the above embodiment, the thermoelectric device of the present invention is used for a thermoelectric air conditioner of a vehicle. However, the thermoelectric device of the present invention can be used for other purposes.

１…熱電装置、２…熱電素子モジュール、３…吸熱交換器、４…ＤＣ−ＤＣコンバーター、５…放熱交換器、６…ラジエーター、７…ヒーターコア、８…伝熱グリース層、９…伝熱グリース層、１０…断熱層、１１ｐ…Ｐ型半導体、１１ｎ…Ｎ型半導体、１２…はんだ、１３…絶縁基板、１４…電極、１５…はんだ、１６…絶縁基板、１７…電極。   DESCRIPTION OF SYMBOLS 1 ... Thermoelectric device, 2 ... Thermoelectric element module, 3 ... Endothermic exchanger, 4 ... DC-DC converter, 5 ... Radiation exchanger, 6 ... Radiator, 7 ... Heater core, 8 ... Heat transfer grease layer, 9 ... Heat transfer Grease layer, 10 ... heat insulation layer, 11p ... P-type semiconductor, 11n ... N-type semiconductor, 12 ... solder, 13 ... insulating substrate, 14 ... electrode, 15 ... solder, 16 ... insulating substrate, 17 ... electrode.

Claims (4)

鉛直上側を冷却側とし、鉛直下側を加熱側とするように配置された熱電素子の冷却側に、鉛直上方から順に、冷却対象となる電子機器、常時冷水が流れてその冷水により前記電子機器を冷却するとともに、その冷水の熱が前記熱電素子の冷却側に吸熱される吸熱交換器、伝熱グリース層が配置され、かつ前記伝熱グリース層は、同伝熱グリース層への空気混入を抑制可能な圧力が前記電子機器の自重により加わった状態とされるとともに、前記伝熱グリース層に圧力を加えるためのボルト締結が行われていない、
ことを特徴とする熱電装置。 An electronic device to be cooled, in the order from the top vertically, to the cooling side of the thermoelectric element arranged such that the vertical upper side is the cooling side and the vertical lower side is the heating side, and the electronic device A heat exchanger and a heat transfer grease layer in which the heat of the cold water is absorbed on the cooling side of the thermoelectric element , and the heat transfer grease layer prevents air from entering the heat transfer grease layer. It is in a state where a pressure that can be suppressed is applied by its own weight, and bolt fastening for applying pressure to the heat transfer grease layer is not performed,
A thermoelectric device characterized by that. 前記電子機器は、ＤＣ−ＤＣコンバーターである
請求項１に記載の熱電装置。 The thermoelectric device according to claim 1, wherein the electronic device is a DC-DC converter. 前記ＤＣ−ＤＣコンバーターは、前記熱電素子の駆動電圧を調整する
請求項２に記載の熱電装置。 The thermoelectric device according to claim 2, wherein the DC-DC converter adjusts a driving voltage of the thermoelectric element. 前記熱電素子の加熱側に、鉛直上方から順に、伝熱グリース層、放熱交換器、断熱層が配置された
請求項１〜３のいずれか１項に記載の熱電装置。 The thermoelectric device according to any one of claims 1 to 3, wherein a heat transfer grease layer, a heat radiation exchanger, and a heat insulation layer are arranged in order from the vertically upper side on the heating side of the thermoelectric element.
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