JPH11312828A - Thermal conversion device - Google Patents
Thermal conversion deviceInfo
- Publication number
- JPH11312828A JPH11312828A JP10118845A JP11884598A JPH11312828A JP H11312828 A JPH11312828 A JP H11312828A JP 10118845 A JP10118845 A JP 10118845A JP 11884598 A JP11884598 A JP 11884598A JP H11312828 A JPH11312828 A JP H11312828A
- Authority
- JP
- Japan
- Prior art keywords
- case body
- heat exchanger
- heat
- adhesive
- conversion device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、Ｐ型およびＮ型の
熱電素子対を用い、ペルチェ効果を利用して冷却または
加温を行う熱変換装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat conversion device that uses a P-type and N-type thermoelectric element pair to perform cooling or heating using the Peltier effect.
【０００２】[0002]
【従来の技術】従来、一面が加熱面となり他面が冷却面
となる熱電素子対を有し、加熱面に当接する第１熱交換
器と冷却面に当接する第２熱交換器とを備え、第１およ
び第２熱交換器とによって熱電素子対を挟み込んだ状態
でネジを用いて狭着させているものが知られており、例
えば、このような装置は実開昭５５−１２６１７７号公
報に開示されている。2. Description of the Related Art Conventionally, a thermoelectric element pair has a heating surface on one side and a cooling surface on the other side, and has a first heat exchanger in contact with the heating surface and a second heat exchanger in contact with the cooling surface. It is known that the thermoelectric element pair is sandwiched between the first and second heat exchangers using screws, for example, such a device is disclosed in Japanese Utility Model Laid-Open No. 55-126177. Is disclosed.
【０００３】一般的に、熱変換装置に用いられる熱電素
子（Ｐ型、Ｎ型のペルチェ素子）はビスマステルルから
成っているが、この材料は外力に対して極めて弱い。こ
のため、熱交換器を熱電素子対に当接させる場合には、
当接力を適度に加減し、熱交換器への組み付け後におい
ても、熱電素子対に対して過大な外力が加わらないよ
う、対策が必要になってくる。Generally, thermoelectric elements (P-type and N-type Peltier elements) used in a heat conversion device are made of bismuth tellurium, but this material is extremely weak against external force. Therefore, when the heat exchanger is brought into contact with the thermoelectric element pair,
It is necessary to take appropriate measures so that the contact force is moderately adjusted so that excessive external force is not applied to the thermoelectric element pair even after the assembly to the heat exchanger.
【０００４】上述した公報に示される熱変換装置は、第
１熱交換器と第２熱交換器とを単にネジによって締結し
ているため、熱交換器に荷重がかかると、ネジは第１熱
交換器と第２熱交換器とが相対的に近接することを抑制
できない。つまり、第１熱交換器と第２熱交換器とを第
１熱交換器と第２熱交換器とが対向する方向において支
持されていないことから、この熱交換器に作用する荷重
の略全荷重が、熱交換器を介して熱電素子対に作用する
ものとなり、壊れてしまうことが起こり得る。[0004] In the heat converter disclosed in the above-mentioned publication, the first heat exchanger and the second heat exchanger are simply fastened by screws, so that when a load is applied to the heat exchanger, the screws become the first heat exchanger. It cannot be suppressed that the exchanger and the second heat exchanger are relatively close to each other. That is, since the first heat exchanger and the second heat exchanger are not supported in the direction in which the first heat exchanger and the second heat exchanger face each other, substantially all of the load acting on the heat exchanger is not supported. The load acts on the thermoelectric element pair via the heat exchanger, and may be broken.
【０００５】そこで、このような問題点を解決するため
に、特開平９−３２１３４８号公報では、熱電素子対の
加熱面に当接する第１熱交換器を有する第１ケース体と
冷却面に当接する第２熱交換器を有する第２ケース体を
備え、第１ケース体と第２ケース体を上下方向に移動し
ないように固めて固定し、外力に対しての対策がなされ
たものが開示されている。In order to solve such a problem, Japanese Patent Application Laid-Open No. 9-321348 discloses a first case body having a first heat exchanger in contact with a heating surface of a thermoelectric element pair and a cooling surface. A second case body having a second heat exchanger in contact with the first case body and the first case body and the second case body fixed and fixed so as not to move in the vertical direction, and a countermeasure against external force is disclosed. ing.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、後者に
示す公報では、第１熱変換器と第１ケース体とを気密的
に締結する方法としてＯリングとネジが用いられてお
り、この場合には、Ｏリングとネジが必要になってく
る。また、第１熱変換器にはＯリングの設置や何ケ所か
のネジ孔加工、ネジ締め工程が必要となり、コスト的に
アップしてしまうものとなる。However, in the latter publication, an O-ring and a screw are used as a method for airtightly fastening the first heat converter and the first case body. O-rings and screws are required. In addition, the first heat converter requires installation of an O-ring, machining of several screw holes, and a screw tightening process, resulting in an increase in cost.
【０００７】そこで、本発明は、コストアップすること
なく、外力を受けても熱電素子対が破損しない構造とす
ることを技術的課題とする。Therefore, it is a technical object of the present invention to provide a structure in which a thermoelectric element pair is not damaged even when subjected to an external force without increasing the cost.
【０００８】[0008]
【課題を解決するための手段】上記の技術的課題を解決
するため、一面が加熱面となり他面が冷却面となる熱電
素子対を有し、加熱面に当接した第１熱交換器に対して
設けられる第１ケース体と、冷却面に当接した第２熱交
換器に対して設けられる第２ケース体とを備え、両ケー
ス体を固定手段により固定した熱変換装置において、第
１熱交換器と第１ケース体は支持部により支持され、支
持部の第１熱交換器と第１ケース体の境界面をシール性
のある接着剤により接合したことである。In order to solve the above-mentioned technical problems, a first heat exchanger having a thermoelectric element pair having one surface serving as a heating surface and the other surface serving as a cooling surface, and having contact with the heating surface is provided. A first case body provided for the first heat exchanger and a second case body provided for the second heat exchanger in contact with the cooling surface, wherein both case bodies are fixed by fixing means. The heat exchanger and the first case body are supported by the support portion, and the boundary surface between the first heat exchanger and the first case body of the support portion is joined by a sealing adhesive.
【０００９】上記の構成により、第１熱交換器と第１ケ
ース体の境界面をシール性のある接着剤により接合した
ので、従来のようなシール部材およびネジは必要なくな
る。よって、従来に比べ加工および組付けの工程が少な
くなり、接着剤という安価な方法によりシール性を保っ
た状態で固定が可能となるため、コスト的に安価とな
る。With the above configuration, the interface between the first heat exchanger and the first case body is joined by the adhesive having a sealing property, so that the conventional sealing member and screw are not required. Therefore, the number of processing and assembling steps is reduced as compared with the related art, and the fixing can be performed while maintaining the sealing property by an inexpensive method using an adhesive, so that the cost is reduced.
【００１０】この場合、境界面をアンカー効果を得る形
状にすれば、接着強度が向上する。[0010] In this case, if the boundary surface is formed into a shape that can obtain the anchor effect, the adhesive strength is improved.
【００１１】また、接着剤はエポキシ樹脂系のものを用
いれば、接着強度を向上させることができ、シール性の
良い接着が安価となる。Further, if an epoxy resin is used as the adhesive, the adhesive strength can be improved, and bonding with good sealing properties can be inexpensive.
【００１２】第２熱変換器を被冷却物に取り付ける場
合、熱交換装置は被冷却物の周囲に配設された断熱材と
の間に配設され、第１ケース体と断熱材との間に、冷却
面への水分の侵入を防止する保護部材を配設するように
すれば、保護部材により接着面を剥離させることなく、
冷却面への水分の侵入が防止される。When the second heat converter is attached to the object to be cooled, the heat exchange device is disposed between the heat exchanger and the heat insulating material disposed around the object to be cooled. In addition, if a protective member for preventing intrusion of moisture into the cooling surface is provided, the protective member does not peel off the adhesive surface,
Water is prevented from entering the cooling surface.
【００１３】この場合、保護部材はスポンジを用いれ
ば、安価な材質により接着面の剥離が防止され、水分の
侵入が防止されるものとなる。In this case, if a sponge is used for the protective member, the inexpensive material prevents the peeling of the bonding surface and prevents the penetration of moisture.
【００１４】[0014]
【発明の実施の形態】以下、本発明の実施形態を図面を
参照して説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００１５】（第１実施形態）図１は、本発明の第１実
施形態における熱変換装置１の断面図である。この熱変
換装置１はＰ型熱電素子２とＮ型熱電素子３とから成る
熱電素子対４と、熱伝導部材から成る第１および第２熱
交換器５，６と、第１熱交換器５に対して設けられた第
１ケース体７と、第２熱交換器６に対して設けられた第
２ケース体８とを備えもっている。(First Embodiment) FIG. 1 is a sectional view of a heat converter 1 according to a first embodiment of the present invention. This heat conversion device 1 includes a thermoelectric element pair 4 composed of a P-type thermoelectric element 2 and an N-type thermoelectric element 3, first and second heat exchangers 5 and 6 composed of heat conducting members, and a first heat exchanger 5 And a second case body 8 provided for the second heat exchanger 6.
【００１６】Ｐ型熱電素子２とＮ型熱電素子３は、それ
ぞれ図１に示す水平方向に交互に配設されており、同一
方向を向くＰ型熱電素子２の一面（図１に示す上面）と
Ｎ型熱電素子３の一面（図１に示す上面）とが、銅板か
ら成り表面にニッケルメッキが施された第１電極板１０
に対して電気的に接続されている。また同様に、同一方
向を向くＰ型熱電素子２の他面（図１に示す下面）とＮ
型熱電素子３の他面（図１に示す下面）とが銅板から成
り表面にニッケルメッキが施された第２電極板１１に対
して電気的に接続されており、Ｐ型熱電素子２とＮ型熱
電素子３は、順次π型に直列接続されている。The P-type thermoelectric elements 2 and the N-type thermoelectric elements 3 are alternately arranged in the horizontal direction shown in FIG. 1, and one surface of the P-type thermoelectric element 2 facing in the same direction (the upper surface shown in FIG. 1). And one surface (the upper surface shown in FIG. 1) of the N-type thermoelectric element 3 is a first electrode plate 10 made of a copper plate, the surface of which is plated with nickel.
Are electrically connected to Similarly, the other surface (the lower surface shown in FIG. 1) of the P-type
The other surface of the thermoelectric element 3 (the lower surface shown in FIG. 1) is electrically connected to the second electrode plate 11 made of a copper plate and the surface of which is plated with nickel. The thermoelectric elements 3 are sequentially connected in series in a π-type.
【００１７】第１ケース体７は、ポリブチレンテレフタ
レート（ＰＢＴ樹脂）等から成り立っており、開口部７
ｂを備えた平板部７ａと下方向に向けて突出する枠状の
突状部７ｃとから構成される。外形は、上部にフランジ
形状を備える枠形状をしている。第１熱交換器５は放熱
部材（例えば、アルミ等）から成り、フランジ部５ａを
外周底面にもち、いくつもの放熱フィン５ｂを備えてい
る。第１ケース体７の第１熱交換器５を支持する支持部
３０の第１熱交換器５を支持する面（境界面）２９にお
いて、シール性のある接着剤１３により第１熱交換器５
と第１ケース体７は固定される。この場合、第１熱交換
器５を支持する第１ケース体７を樹脂により成形したの
で、第１熱交換器５と同じ材質で第１ケース体を一体で
作るよりも安価となり、軽量化が可能となる。また、支
持部３０の境界面２９に用いる接着剤１３において、シ
ール性のある接着剤を用いることで、第１ケース体７の
開口部７ｂの一面が気密的に接着されるものとなる。こ
のとき、接着剤１３にエポキシ樹脂系のものを用いれ
ば、シリコン系の接着剤よりも接着強度が強く、しか
も、シール性を確実に保った状態で安価な方法に接着す
ることができる。The first case body 7 is made of polybutylene terephthalate (PBT resin) or the like, and has an opening 7.
b and a frame-shaped projection 7c projecting downward. The outer shape has a frame shape with a flange shape at the top. The first heat exchanger 5 is made of a heat radiating member (for example, aluminum or the like), has a flange portion 5a on the outer peripheral bottom surface, and has a number of heat radiating fins 5b. On the surface (boundary surface) 29 of the first case body 7 supporting the first heat exchanger 5 supporting the first heat exchanger 5, the first heat exchanger 5 is sealed with an adhesive 13 having a sealing property.
And the first case body 7 are fixed. In this case, since the first case body 7 supporting the first heat exchanger 5 is formed of resin, the cost is lower than that of integrally forming the first case body with the same material as the first heat exchanger 5, and the weight is reduced. It becomes possible. Also, by using an adhesive having a sealing property as the adhesive 13 used for the boundary surface 29 of the support portion 30, one surface of the opening 7b of the first case body 7 is air-tightly bonded. At this time, if an epoxy resin-based adhesive is used as the adhesive 13, the adhesive can be bonded in an inexpensive manner in a state where the adhesive strength is higher than that of the silicon-based adhesive and the sealing property is reliably maintained.
【００１８】一方、第２ケース体８は下方にフランジ部
８ａを備えもつ枠状をしたものであり、第２熱交換器６
は下側に平板状部６ａをもち中央部に凸状部６ｂをも
つ。第２熱交換器６に第２ケース体８が第２熱交換器６
の凸状部６ｂをその枠内に囲むよう設けられると共に、
第２熱交換器６の平板状部６ａ上面と第２ケース体８の
フランジ部８ａとが上下方向で当接するように設置され
ており、凸状部６ｂの外周と第２ケース体８の内面とで
形成される空間は、エポキシ樹脂系の接着剤が充填され
る充填部となる。On the other hand, the second case body 8 is formed in a frame shape having a flange portion 8a below, and the second heat exchanger 6
Has a flat portion 6a on the lower side and a convex portion 6b at the center. The second case body 8 is connected to the second heat exchanger 6 by the second heat exchanger 6.
Is provided so as to surround the convex portion 6b of the
The upper surface of the flat portion 6a of the second heat exchanger 6 and the flange portion 8a of the second case body 8 are installed so as to abut on each other in the vertical direction, and the outer periphery of the convex portion 6b and the inner surface of the second case body 8 are provided. The space formed by is filled with an epoxy resin-based adhesive.
【００１９】熱電素子対４は、図１に示す下面において
凸状部６ｂの上面に熱伝導性の良い膜状の絶縁材を介し
て固定される。この場合、絶縁材そのものに接着剤を用
いて熱電素子対４と第２熱交換器６との組み付けを行っ
ても良い。The thermoelectric element pair 4 is fixed to the upper surface of the convex portion 6b on the lower surface shown in FIG. 1 via a film-like insulating material having good thermal conductivity. In this case, the thermoelectric element pair 4 and the second heat exchanger 6 may be assembled using an adhesive for the insulating material itself.
【００２０】また、熱変換素子４に電力を供給するた
め、電極板３８，３９に対してリード線１５、１６、内
部リード線１９、２０が設けられており、リード線１５
は電極板３８の１７の位置で、また、リード線１６は電
極板３９の１８の位置で、共に半田付けされ電極板３
８，３９に電気的に固定されている。この電極板３８，
３９から第２電極板１１にはそれぞれ内部リード線１
９，２０を介して電力が供給される。この場合、第２ケ
ース体８の側面部から電極板３８，３９が突出するよう
インサート成形により成形されており、リード線１５，
１６により外部電源から電源が供給されるようになって
いる。In order to supply power to the heat conversion element 4, lead wires 15, 16 and internal lead wires 19, 20 are provided for the electrode plates 38, 39.
Are soldered together at the position 17 of the electrode plate 38 and the lead wire 16 at the position 18 of the electrode plate 39.
8 and 39 are electrically fixed. This electrode plate 38,
39 to the second electrode plate 11 respectively
Power is supplied via 9, 20. In this case, the electrode plates 38 and 39 are formed by insert molding so as to project from the side surface of the second case body 8, and the lead wires 15 and
The power is supplied from an external power supply by 16.
【００２１】第１ケース体７に接着剤１３により固定さ
れた第１熱交換器５は、絶縁材および熱伝導性グリスを
介して熱電素子対４の上面に当接され、第１ケース体７
の突状部７ｃの先端部分が、第２ケース体８の開口され
た枠内にかかるようにし、第２電極板１１が凸状部６ｂ
に当接させた状態で第２熱交換器６に組み付けられる。The first heat exchanger 5 fixed to the first case body 7 with an adhesive 13 is brought into contact with the upper surface of the thermoelectric element pair 4 via an insulating material and thermally conductive grease, and the first case body 7
Of the projecting portion 7c of the second case body 8 in the open frame of the second case body 8, and the second electrode plate 11 is
Is assembled to the second heat exchanger 6 in a state of contact with the second heat exchanger 6.
【００２２】この状態の基で、充填部にエポキシ樹脂系
の接着剤２３が充填される。この場合、第２ケース体８
と第２熱交換器６とが接着剤２３により接着固定される
と共に、第１ケース体７と第２ケース体８とが接着剤２
３により接着固定され、接着剤２３は充填部内において
硬化する。Under this condition, the filling portion is filled with an epoxy resin adhesive 23. In this case, the second case body 8
And the second heat exchanger 6 are bonded and fixed by an adhesive 23, and the first case body 7 and the second case body 8 are
3, the adhesive 23 is hardened in the filling portion.
【００２３】このようにすることで、第１熱交換器５と
第１ケース体７とが接着剤１３により気密的に結合さ
れ、第２熱交換器６と第２ケース体８とが接着剤２３に
より気密的に結合される。また、同時にリード線１９、
２０の一部が接着剤２３により気密性が保持され、ケー
ス９内は密閉されるものとなる。By doing so, the first heat exchanger 5 and the first case body 7 are air-tightly connected by the adhesive 13, and the second heat exchanger 6 and the second case body 8 are bonded by the adhesive. 23 are hermetically coupled. At the same time, lead wire 19,
A part of 20 is kept airtight by the adhesive 23, and the inside of the case 9 is sealed.
【００２４】熱変換装置１の組み付けにおいて、第１熱
交換器５及び第２熱交換器６を熱電素子対４に当接させ
て、第１熱交換器５を備えた第１ケース体７と第２熱交
換器６を備えた第２ケース体８とを接着剤２３により固
定し、硬化させるようにしたことから、過大な荷重が両
者間に作用しても接着剤２３により抑制され、熱電素子
対４に組み付けによる過大な荷重が作用することはな
い。In assembling the heat conversion device 1, the first heat exchanger 5 and the second heat exchanger 6 are brought into contact with the thermoelectric element pair 4, and the first case body 7 provided with the first heat exchanger 5 is The second case body 8 provided with the second heat exchanger 6 is fixed with the adhesive 23 and cured, so that even if an excessive load acts between them, the adhesive 23 suppresses the load, and An excessive load due to the assembly does not act on the element pair 4.
【００２５】つまり、第１および第２ケース体７、８に
対して第１および第２熱交換器５、６を互いに近接させ
る荷重が作用した場合であっても、第１ケース体７と第
２ケース体８とは接着剤２３により固定されているた
め、第１熱交換器５と第２熱交換器６とが相対的に近接
することが接着剤２３により抑制できる。That is, even when a load is applied to the first and second case bodies 7 and 8 to bring the first and second heat exchangers 5 and 6 close to each other, the first case body 7 and the second case Since the two case members 8 are fixed with the adhesive 23, the relatively close proximity of the first heat exchanger 5 and the second heat exchanger 6 can be suppressed by the adhesive 23.
【００２６】熱変換装置１は充填部に充填された接着剤
２３内に突出する突状部７ｃを備えることにより、第１
ケース体７と第２ケース体８とが接着剤２３を介して第
１ケース体７の突状部７ｃに対向する第２ケース体８の
枠状側部とが係合する関係となることから、第１および
第２ケース体７，８、第１および第２熱交換器５，６
が、熱電素子対４に対してずれる方向に荷重が作用した
場合、第１および第２熱交換器５，６、第１ケース体７
と第２ケース体８とが熱電素子対４に相対的にずれるこ
とを接着剤２３により強固に抑制している。The heat conversion device 1 is provided with a protruding portion 7c protruding into the adhesive 23 filled in the filling portion, so that the first
Since the case body 7 and the second case body 8 have a relationship in which the frame-shaped side portion of the second case body 8 facing the protruding portion 7c of the first case body 7 via the adhesive 23 is engaged. , First and second case bodies 7,8, first and second heat exchangers 5,6
However, when a load is applied in a direction deviating from the thermoelectric element pair 4, the first and second heat exchangers 5, 6 and the first case body 7
The adhesive 23 firmly suppresses the relative displacement between the second case body 8 and the thermoelectric element pair 4.
【００２７】次に、熱変換装置１の作動について説明す
る。外部電源からリード線１５，１６および内部リード
線１９，２０を介して熱電素子対４に電力が供給される
と、Ｐ型熱電素子２、Ｎ型熱電素子３に第１および第２
電極板１０，１１を介して電流が流れる。通電により電
流が流れると、ペルチェ効果によって熱電素子対４の上
面（図１に示す上側）が加熱面となるとともに熱電素子
対４の下面（図１に示す下側）が冷却面となる。つま
り、熱変換装置１は、第１電極板１０を介して第１熱交
換器５において加熱作用を発生させ、第２電極板１１を
介して第２熱交換器６において冷却作用を発生させるも
のとなる。Next, the operation of the heat converter 1 will be described. When power is supplied from an external power supply to the thermoelectric element pair 4 via the leads 15 and 16 and the internal leads 19 and 20, the first and second thermoelectric elements 2 and 3 are supplied to the P-type thermoelectric element 2 and the N-type thermoelectric element 3.
A current flows through the electrode plates 10 and 11. When a current flows due to energization, the upper surface (upper side shown in FIG. 1) of the thermoelectric element pair 4 becomes a heating surface and the lower surface (lower side shown in FIG. 1) of the thermoelectric element pair 4 becomes a cooling surface due to the Peltier effect. That is, the heat conversion device 1 generates a heating effect in the first heat exchanger 5 via the first electrode plate 10 and generates a cooling effect in the second heat exchanger 6 via the second electrode plate 11. Becomes
【００２８】上記したように、この熱交換装置１では第
１および第２熱交換器５，６に対して荷重が作用して
も、熱電素子対４と硬化した接着剤２３とに荷重が分散
されることから、全荷重が熱電素子対４に作用すること
がなくなり、熱電素子対４の破損が防止できる。As described above, in the heat exchanger 1, even if a load acts on the first and second heat exchangers 5, 6, the load is dispersed between the thermoelectric element pair 4 and the cured adhesive 23. Therefore, the entire load does not act on the thermoelectric element pair 4, and the thermoelectric element pair 4 can be prevented from being damaged.
【００２９】また、ケース９は接着剤２３により、熱電
素子対４が配設される内部空間部分を、ケース９外部か
ら密閉する構成とされていることから、熱電素子対４に
結露が発生することがなく、結露によって電気的短絡が
生じて熱電素子対４が破損することがない。Further, since the case 9 is configured such that the internal space where the thermoelectric element pairs 4 are disposed is sealed from the outside of the case 9 by the adhesive 23, dew condensation occurs on the thermoelectric element pairs 4. Therefore, no electric short circuit occurs due to condensation and the thermoelectric element pair 4 is not damaged.
【００３０】更に、接着剤１３は第１熱交換器５と第１
ケース体７とを気密的に接合することから、第１熱交換
器５と第１ケース体７との接続用の部材を何ら必要とせ
ず、しかも、第１熱交換器５と第１ケース体７との間で
シール部材が必要なくなることから、従来に比べ工程が
低減され、コストの低減を図ることができる。Further, the adhesive 13 is applied to the first heat exchanger 5 and the first heat exchanger 5.
Since the case body 7 is air-tightly joined, no member for connection between the first heat exchanger 5 and the first case body 7 is required, and the first heat exchanger 5 and the first case body are not required. Since a seal member is not required between the first embodiment and the second embodiment, the number of steps can be reduced as compared with the related art, and the cost can be reduced.
【００３１】（第２実施形態）図２は、熱変換装置１の
第２実施形態を示しており、主に第１実施形態と異なる
部分について説明を行う。図２において、第１熱交換器
５は第１実施形態と外側の形状は同じであるが、下面中
央には１つのネジ孔５ｃを有している。(Second Embodiment) FIG. 2 shows a second embodiment of the heat conversion device 1, and mainly different parts from the first embodiment will be described. In FIG. 2, the first heat exchanger 5 has the same outer shape as the first embodiment, but has one screw hole 5c in the center of the lower surface.
【００３２】一方、第２熱交換器６もまた第１実施形態
と基本的には同じ形状を成すが、中央にはネジ２４とワ
ッシャー２６が挿入される段付の挿入孔６ｃ（第１熱交
換器側が小径孔となる）が設けられている。On the other hand, the second heat exchanger 6 also has basically the same shape as that of the first embodiment, but has a stepped insertion hole 6c (first heat exchanger) into which a screw 24 and a washer 26 are inserted in the center. (A small-diameter hole is provided on the exchanger side).
【００３３】第１ケース体７と第１熱交換器５に関して
は、シール性のあるエポキシ樹脂系の接着剤１３によ
り、第１ケース体７の平板部７ａの上面側開口部７ｂを
塞ぐようにして境界面２９が気密的に接着される。第２
熱交換器６には第２ケース体８が、第２熱交換器６の凸
状部６ｂをその枠内に囲むようにするとともに、第２熱
交換器６の平板状部６ａの上面と第２ケース体８のフラ
ンジ部８ａとが当接するようにして設置される。The first case body 7 and the first heat exchanger 5 are sealed with an epoxy resin adhesive 13 having a sealing property so as to cover the opening 7b on the upper surface side of the flat plate portion 7a of the first case body 7. Thus, the boundary surface 29 is hermetically bonded. Second
In the heat exchanger 6, the second case body 8 surrounds the protruding portion 6b of the second heat exchanger 6 in its frame, and the upper surface of the flat portion 6a of the second heat exchanger 6 and the second It is installed such that the flange portion 8a of the two case body 8 is in contact with the case body 8.
【００３４】一方、熱電素子対４は、ネジ孔５ｃの両側
に1組ずつ電気的に接続された状態で分割されて設けら
れている。尚、この場合、複数組の熱電素子対を用いる
ことも可能である。このような熱電素子対４は、第２ケ
ース体８が設置された第２熱交換器６の凸状部６ｂの絶
縁材を介して接着固定される。熱電素子対４への電力の
供給に関しては、第１実施形態と同じ方法を取ってい
る。On the other hand, the thermoelectric element pairs 4 are provided separately on both sides of the screw hole 5c in a state of being electrically connected one by one. In this case, a plurality of thermoelectric element pairs can be used. Such a thermoelectric element pair 4 is bonded and fixed via an insulating material of the convex portion 6b of the second heat exchanger 6 on which the second case body 8 is installed. Regarding the supply of power to the thermoelectric element pairs 4, the same method as in the first embodiment is employed.
【００３５】第１熱交換器５を備えた第１ケース体７
が、第１熱交換器５が絶縁材および熱伝導性グリスを介
して熱電素子対４の上面に当接され、突状部７ｃの先端
側部分が第２ケース体８の枠内で充填部内に収納される
ようにして、第２ケース体８が配置され、熱電素子対４
が固定された第２熱交換器６に組み付けられた後、第２
熱交換器６の挿入孔６ｃにワッシャ２６およびネジ２４
が挿入孔６ｃに挿入される。この場合、ネジ２４のネジ
部がワッシャ２６と挿入孔６ｃの小径部とを貫通し、熱
電素子対４が配設されている空間を通り、第１熱変換器
５のネジ孔５ｃに到達するようにしている。ネジ頭はワ
ッシャ２６を介して挿入孔６ｃの段部に当接して、ネジ
２４がネジ孔５ｃに螺合する。First case body 7 provided with first heat exchanger 5
However, the first heat exchanger 5 is in contact with the upper surface of the thermoelectric element pair 4 via the insulating material and the heat conductive grease, and the tip side portion of the protruding portion 7c is in the frame of the second case body 8 in the filling portion. The second case body 8 is disposed so as to be housed in the thermoelectric element pair 4.
Is assembled to the fixed second heat exchanger 6, and then the second
The washer 26 and the screw 24 are inserted into the insertion hole 6c of the heat exchanger 6.
Is inserted into the insertion hole 6c. In this case, the screw portion of the screw 24 passes through the washer 26 and the small-diameter portion of the insertion hole 6c, passes through the space in which the thermoelectric element pair 4 is provided, and reaches the screw hole 5c of the first heat converter 5. Like that. The screw head comes into contact with the step of the insertion hole 6c via the washer 26, and the screw 24 is screwed into the screw hole 5c.
【００３６】充填部にはエポキシ樹脂系の接着剤２３が
充填され、第２ケース体８と第２熱交換器６とが接着剤
２３により固定され、第１ケース体７と第２ケース体８
とが接着剤２３により固定される。この場合、接着剤２
３は充填部１４内において硬化する。挿入孔６ｃには、
シール材２５としてシリコンゴム、ＮＢＲのゴム栓等が
気密的に圧入されることで気密性が保てるようになって
いる。The filling portion is filled with an epoxy resin adhesive 23, the second case body 8 and the second heat exchanger 6 are fixed by the adhesive 23, and the first case body 7 and the second case body 8 are fixed.
Are fixed by the adhesive 23. In this case, adhesive 2
3 is hardened in the filling section 14. In the insertion hole 6c,
Silicon rubber, a rubber plug of NBR, or the like is hermetically press-fitted as the sealing material 25 so that airtightness can be maintained.
【００３７】第２実施形態においては、ワッシャ２６に
より第１熱交換器５と第２熱交換器６とに熱電素子対４
に対して、熱電素子対４が破損することなく、熱電素子
対４と熱交換器５、６との当接が確実とされるよう適正
な圧接力がかけられる。この場合、接着剤２３が充填硬
化されることにより、第１ケース体７と第２ケース体８
との接着剤２３による接着固定は、この適正な圧接力を
保持する接続とされる。In the second embodiment, the thermoelectric element pair 4 is connected to the first heat exchanger 5 and the second heat exchanger 6 by the washer 26.
On the other hand, an appropriate pressing force is applied so that the thermoelectric element pair 4 is reliably brought into contact with the heat exchangers 5 and 6 without the thermoelectric element pair 4 being damaged. In this case, the first case body 7 and the second case body 8 are filled and hardened with the adhesive 23.
Adhesion and fixation with the adhesive 23 is a connection that maintains this proper pressing force.
【００３８】また、シリコンゴム２５が充填されること
により、ケース９内の気密性は保たれる。その他の効果
は、第１実施形態１と同じである。The airtightness in the case 9 is maintained by filling the silicone rubber 25. Other effects are the same as those of the first embodiment.
【００３９】（第３実施形態）図３に第３実施形態を示
し、この実施形態においては第１熱変換器５と第１ケー
ス体７との境界面２９にアンカー効果を得るアンカー溝
２７およびノッチ状の溝２８を形成したことを特徴とし
ている。接着剤１３は一般的に気泡（空気）を含んでい
るため、接着剤硬化時に接着剤１３の中に含まれる気泡
を外部に放出するノッチ状の溝２８を設けた。この溝２
８は第１ケース体７の境界面２９内に形成されており、
第１ケース体７の開口形状に沿った環状形状を成すノッ
チ状の溝２８がここでは３つ程形成されている。尚、溝
２８が設けられる個数はこれに限定されない。また、そ
れぞれの溝２８は互いに連通するよう第１ケース体７の
外周へと通じる放射溝を４つもち（図示せず）、接着剤
内部に存在する気泡をノッチ状の溝２８から放射溝へと
導き、大気中に放出できるようになっている。(Third Embodiment) FIG. 3 shows a third embodiment. In this embodiment, an anchor groove 27 for obtaining an anchor effect at a boundary surface 29 between the first heat converter 5 and the first case body 7 is provided. A notch-shaped groove 28 is formed. Since the adhesive 13 generally contains air bubbles (air), a notch-like groove 28 for releasing the air bubbles contained in the adhesive 13 to the outside when the adhesive is cured is provided. This groove 2
8 is formed in the boundary surface 29 of the first case body 7,
Here, about three notch-like grooves 28 having an annular shape along the opening shape of the first case body 7 are formed. The number of the grooves 28 is not limited to this. Each groove 28 has four radiation grooves (not shown) communicating with the outer periphery of the first case body 7 so as to communicate with each other, and air bubbles existing in the adhesive are transferred from the notch-shaped grooves 28 to the radiation grooves. To be released into the atmosphere.
【００４０】また、第１熱交換器５の第１ケース体７と
の境界面２９にはアンカー溝２７が形成されており、こ
のアンカー溝２７により上下または左右方向の剥離を防
止し、第１熱交換器５と第１ケース体７との接着強度を
向上させている。An anchor groove 27 is formed in a boundary surface 29 between the first heat exchanger 5 and the first case body 7, and the anchor groove 27 prevents peeling in the vertical and horizontal directions. The adhesive strength between the heat exchanger 5 and the first case body 7 is improved.
【００４１】（第４実施形態）図４は、第４実施形態を
示しており、第１実施形態に示される熱変換装置１の吸
熱を行う面（平板状部６ａ）を被冷却物３３に取り付け
た図である。第１実施形態の構成を成す熱変換装置１
は、被冷却物３３の周囲に配設された断熱材３１との間
に配設されている。この場合、第２熱変換器６の平板状
部６ａは被冷却物３３に当接した状態で固定され、熱電
素子対４に通電されたときには吸熱を行い被冷却物３３
を冷やす。(Fourth Embodiment) FIG. 4 shows a fourth embodiment, in which the surface (plate-like portion 6a) of the heat conversion device 1 shown in the first embodiment that absorbs heat is attached to the object 33 to be cooled. FIG. Heat converter 1 having the configuration of the first embodiment
Is disposed between the heat-insulating material 31 disposed around the object to be cooled 33. In this case, the flat plate-shaped portion 6a of the second heat converter 6 is fixed in a state of contacting the cooled object 33, and absorbs heat when the thermoelectric element pair 4 is energized to perform heat absorption.
Cool down.
【００４２】一般的に、断熱材３１に覆われた被冷却物
３３に取り付ける場合には、第２熱交換器６の冷却面
（第２熱変換器６の表面）の結露を防止するために、冷
却面と外気とを遮断する構造にする。In general, when attached to the object to be cooled 33 covered with the heat insulating material 31, in order to prevent condensation on the cooling surface of the second heat exchanger 6 (the surface of the second heat converter 6). And a structure that shuts off the cooling surface and the outside air.
【００４３】外気を遮断せずに、第２熱変換器６の表面
に外気が触れると第２熱変換器６の吸熱作用により表面
に結露が発生するものとなる。このように結露が発生す
ると、断熱材３１に囲まれた冷却空間４０に水分が溜ま
ってゆき、冷却空間４０に溜まった水分により、冷却効
果が低下してしまう。When the outside air comes into contact with the surface of the second heat converter 6 without shutting off the outside air, the surface of the second heat converter 6 absorbs heat to form dew on the surface. When condensation forms in this manner, moisture accumulates in the cooling space 40 surrounded by the heat insulating material 31, and the moisture accumulated in the cooling space 40 reduces the cooling effect.
【００４４】ここでは図４に示すように、外気との遮断
および接着剤１３の剥離を防止する目的として保護部材
としてスポンジ３４、３５を用いている。スポンジは断
熱材３１と第１ケース体７との間に配設されており、ス
ポンジ３４，３５の反発力を利用して外気と断熱材３１
により形成された第２熱変換器６の表面が露出している
空間（冷却空間）４０とを遮断する。Here, as shown in FIG. 4, sponges 34 and 35 are used as protective members for the purpose of shielding from outside air and preventing the adhesive 13 from peeling off. The sponge is disposed between the heat insulating material 31 and the first case body 7, and uses the repulsive force of the sponges 34 and 35 to connect the outside air and the heat insulating material 31.
And the space (cooling space) 40 where the surface of the second heat converter 6 formed is exposed.
【００４５】スポンジ３４，３５の配設される位置は、
第２熱交換器６の表面が外気に直接ふれない位置に配設
されれば良く、第1ケース体７と第１熱変換器５との接
着面が剥離しない位置に配設することが可能である。The positions where the sponges 34 and 35 are disposed are as follows.
It is sufficient that the surface of the second heat exchanger 6 is disposed at a position where the surface does not directly touch the outside air, and it can be disposed at a position where the bonding surface between the first case body 7 and the first heat converter 5 does not peel off. It is.
【００４６】応用例として、上記に示す熱変換装置１を
熱変換装置１の冷却作用によってこの貯蔵室用容器、即
ち貯蔵室及び内蔵物を冷却するレジャー用クーラーボッ
クスに適用した場合、クーラーボックスの貯蔵室用容器
を熱伝導部材であるアルミニウム等で形成し、この貯蔵
室用容器に熱変換装置１の第２熱交換器６の図２中下面
を当接させ、貯蔵室用容器及び熱変換装置１をクーラー
ボックスの本体ケース内に配設する構成をとる。As an application example, when the above-described heat conversion device 1 is applied to a storage room container, that is, a leisure cooler box for cooling the storage room and the built-in components by the cooling action of the heat conversion device 1, The storage room container is formed of a heat conductive member such as aluminum, and the lower surface of the second heat exchanger 6 of the heat converter 1 in FIG. The configuration is such that the device 1 is disposed in the main body case of the cooler box.
【００４７】このような構成のレジャー用クーラーボッ
クスに熱変換装置１が使用される場合、このクーラーボ
ックスを積んだ車両が悪路を走行することによってクー
ラーボックスに振動等が加えられたり、最悪の場合クー
ラーボックスを落としてしまうことによって、本体ケー
スを介して熱交換器５、６ひいてはケース体７、８に荷
重が作用しても上記理由から熱電素子対４が破損するこ
とが防止できる。When the heat conversion device 1 is used in the leisure cooler box having such a configuration, a vehicle loaded with the cooler box travels on a rough road, so that vibration or the like is applied to the cooler box, or the worst case may be caused. In this case, even if a load acts on the heat exchangers 5 and 6 and the case bodies 7 and 8 via the main body case by dropping the cooler box, the thermoelectric element pair 4 can be prevented from being damaged for the above-described reason.
【００４８】[0048]
【発明の効果】一面が加熱面となり他面が冷却面となる
熱電素子対を有し、加熱面に当接した第１熱交換器に対
して設けられる第１ケース体と、冷却面に当接した第２
熱交換器に対して設けられる第２ケース体とを備え、両
ケース体を固定手段により固定した熱変換装置におい
て、第１熱交換器と第１ケース体は支持部により支持さ
れ、支持部における第１熱変換器と第１ケース体の境界
面をシール性のある接着剤により接合したことにより、
従来のようなシール部材およびネジは必要なくなる。よ
って、従来に比べ加工および組付け工程が少なくなり、
接着剤という安価な方法によりシール性を保った状態で
固定ができ、コスト的に安価となる。According to the present invention, there is provided a thermoelectric element pair in which one surface is a heating surface and the other surface is a cooling surface, and a first case body provided for the first heat exchanger in contact with the heating surface and a cooling surface. Second contact
In a heat conversion device comprising a second case body provided for the heat exchanger and fixing both the case bodies by fixing means, the first heat exchanger and the first case body are supported by the support portion, and By joining the interface between the first heat transducer and the first case body with a sealing adhesive,
Conventional sealing members and screws are not required. Therefore, the number of processing and assembling steps is smaller than before,
An inexpensive method such as an adhesive can be used to fix while maintaining the sealing property, and the cost is low.
【００４９】この場合、境界面をアンカー効果を得る形
状にすれば、接着強度が向上する。In this case, if the boundary surface is formed into a shape for obtaining the anchor effect, the adhesive strength is improved.
【００５０】また、接着剤はエポキシ樹脂系のものを用
いれば、接着強度を向上させることができ、シール性の
良い接着が安価で行える。When an epoxy resin is used as the adhesive, the adhesive strength can be improved, and a good seal can be obtained at low cost.
【００５１】第２熱変換器を被冷却物に取り付ける場
合、熱交換装置は被冷却物の周囲に配設された断熱材と
の間に配設され、第１ケース体と断熱材との間に、冷却
面への水分の侵入を防止する保護部材を配設するように
すれば、保護部材は接着面を剥離させることなく、冷却
面への水分の侵入が防止される。When the second heat converter is mounted on the object to be cooled, the heat exchange device is provided between the heat insulating material provided around the object to be cooled and the heat exchanger between the first case body and the heat insulating material. If a protection member for preventing intrusion of moisture into the cooling surface is provided, the protection member does not peel off the adhesive surface, so that intrusion of moisture into the cooling surface is prevented.
【００５２】この場合、保護部材はスポンジを用いれ
ば、安価な材質により接着面の剥離が防止され、水分の
侵入が防止できる。In this case, if a sponge is used for the protective member, the bonding surface can be prevented from peeling off with an inexpensive material, and the penetration of moisture can be prevented.
【図１】 本発明の第１実施形態における熱変換装置の
断面図である。FIG. 1 is a cross-sectional view of a heat conversion device according to a first embodiment of the present invention.
【図２】 本発明の第２実施形態における熱変換装置の
断面図である。FIG. 2 is a cross-sectional view of a heat conversion device according to a second embodiment of the present invention.
【図３】 本発明の第３実施形態における熱変換装置の
断面図である。FIG. 3 is a sectional view of a heat conversion device according to a third embodiment of the present invention.
【図４】 本発明の第４実施形態における熱変換装置の
断面図である。FIG. 4 is a sectional view of a heat conversion device according to a fourth embodiment of the present invention.
１ 熱変換装置 ４ 熱電素子対 ５ 第１熱交換器 ５ｂ 放熱フィン ６ 第２熱交換器 ７ 第１ケース体 ８ 第２ケース体 １３ 接着剤 ２３ 接着剤（固定手段） ２４ ネジ（固定部材） ２９ 境界面 ３０ 支持部 ３１ 断熱材 ３３ 被冷却物 ３４，３５ スポンジ（保護部材） ４０ 冷却空間 REFERENCE SIGNS LIST 1 heat conversion device 4 thermoelectric element pair 5 first heat exchanger 5 b radiating fin 6 second heat exchanger 7 first case body 8 second case body 13 adhesive 23 adhesive (fixing means) 24 screw (fixing member) 29 Boundary surface 30 Support part 31 Insulation material 33 Object to be cooled 34, 35 Sponge (protection member) 40 Cooling space
Claims (5)
熱電素子対を有し、前記加熱面に当接した第１熱変換器
に対して設けられる第１ケース体と、前記冷却面に当接
した第２熱変換器に対して設けられる第２ケース体とを
備え、前記両ケース体を固定手段により固定した熱変換
装置において、 前記第１熱交換器と前記第１ケース体は支持部により支
持され、該支持部の前記第１熱交換器と前記第１ケース
体の境界面をシール性のある接着剤により接合したこと
を特徴とする熱変換装置。1. A first case body provided with a thermoelectric element pair having one surface serving as a heating surface and the other surface serving as a cooling surface, the first case body being provided for a first heat converter in contact with the heating surface, and the cooling surface. And a second case body provided for a second heat converter in contact with the first heat exchanger, wherein the first heat exchanger and the first case body are fixed to each other by fixing means. A heat conversion device supported by a support portion, wherein a boundary surface between the first heat exchanger and the first case body of the support portion is joined with a sealing adhesive.
した請求項１に記載の熱変換装置。2. The heat conversion device according to claim 1, wherein the boundary surface is shaped to obtain an anchor effect.
いる請求項２に記載の熱変換装置。3. The heat converter according to claim 2, wherein the adhesive is an epoxy resin-based adhesive.
る場合、前記熱変換装置は被冷却物の周囲に配設された
断熱材との間に配設され、前記第１ケース体と前記断熱
材との間に、前記冷却面への水分の侵入を防止する保護
部材を配設した請求項１に記載の熱変換装置。4. When attaching the second heat converter to an object to be cooled, the heat conversion device is disposed between a heat insulating material disposed around the object to be cooled, and the first case body and the heat conversion device. The heat conversion device according to claim 1, wherein a protection member that prevents moisture from entering the cooling surface is provided between the heat conversion member and the heat insulating material.
に記載の熱変換装置。5. The protection member is a sponge.
A heat conversion device according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11884598A JP4277325B2 (en) | 1998-04-28 | 1998-04-28 | Heat converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11884598A JP4277325B2 (en) | 1998-04-28 | 1998-04-28 | Heat converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11312828A true JPH11312828A (en) | 1999-11-09 |
| JP4277325B2 JP4277325B2 (en) | 2009-06-10 |
Family
ID=14746583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11884598A Expired - Fee Related JP4277325B2 (en) | 1998-04-28 | 1998-04-28 | Heat converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4277325B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009278767A (en) * | 2008-05-14 | 2009-11-26 | Toyota Motor Corp | Heat exchanger, thermoelectric generator, and method of manufacturing heat exchanger |
| EP2757605A2 (en) | 2013-01-17 | 2014-07-23 | Yamaha Corporation | Thermoelectric power generation unit |
| JP2021511668A (en) * | 2018-01-23 | 2021-05-06 | エルジー イノテック カンパニー リミテッド | Thermoelectric element and its manufacturing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05160441A (en) * | 1991-12-11 | 1993-06-25 | Nippondenso Co Ltd | Thermoelectric converter |
| JPH09321348A (en) * | 1996-05-29 | 1997-12-12 | Aisin Seiki Co Ltd | Thermoelectric converter |
| JPH1012934A (en) * | 1996-06-25 | 1998-01-16 | Technova:Kk | Thermoelectric converter |
-
1998
- 1998-04-28 JP JP11884598A patent/JP4277325B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05160441A (en) * | 1991-12-11 | 1993-06-25 | Nippondenso Co Ltd | Thermoelectric converter |
| JPH09321348A (en) * | 1996-05-29 | 1997-12-12 | Aisin Seiki Co Ltd | Thermoelectric converter |
| JPH1012934A (en) * | 1996-06-25 | 1998-01-16 | Technova:Kk | Thermoelectric converter |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009278767A (en) * | 2008-05-14 | 2009-11-26 | Toyota Motor Corp | Heat exchanger, thermoelectric generator, and method of manufacturing heat exchanger |
| EP2757605A2 (en) | 2013-01-17 | 2014-07-23 | Yamaha Corporation | Thermoelectric power generation unit |
| CN103943770A (en) * | 2013-01-17 | 2014-07-23 | 雅马哈株式会社 | Thermoelectric power generation unit |
| EP2757605A3 (en) * | 2013-01-17 | 2014-11-05 | Yamaha Corporation | Thermoelectric power generation unit |
| JP2021511668A (en) * | 2018-01-23 | 2021-05-06 | エルジー イノテック カンパニー リミテッド | Thermoelectric element and its manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4277325B2 (en) | 2009-06-10 |
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