JP2003035480A - Electronic cold and hot storage chamber - Google Patents
Electronic cold and hot storage chamberInfo
- Publication number
- JP2003035480A JP2003035480A JP2001222911A JP2001222911A JP2003035480A JP 2003035480 A JP2003035480 A JP 2003035480A JP 2001222911 A JP2001222911 A JP 2001222911A JP 2001222911 A JP2001222911 A JP 2001222911A JP 2003035480 A JP2003035480 A JP 2003035480A
- Authority
- JP
- Japan
- Prior art keywords
- thermoelectric conversion
- conversion device
- heat
- power
- box body
- 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.)
- Pending
Links
Classifications
-
- 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
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
- F25B2321/021—Control thereof
- F25B2321/0212—Control thereof of electric power, current or voltage
-
- 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
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
- F25B2321/025—Removal of heat
- F25B2321/0251—Removal of heat by a gas
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は熱電変換デバイスを
使用した電子冷蔵庫や電子冷温蔵庫に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic refrigerator and an electronic cold storage using a thermoelectric conversion device.
【０００２】ここで熱電変換デバイスとは、Ｐ型半導体
とＮ型半導体とが電気的に交互に連結され、この回路に
直流電流を印荷することで生じるペルチェ効果を利用し
たものや、相互間に一定の隙間を設けた二つ以上の電極
から構成され、電子が電極間の空間を移動することで生
じる熱電子効果を利用したもの等であり、二つの伝熱面
を有し、電流を流すことにより一方の伝熱面が加熱さ
れ、他方の伝熱面が冷却される機能を持つデバイスであ
る。すなわち熱電変換デバイスでは、一方の面が放熱面
として機能し、他方が吸熱面として機能する。Here, the thermoelectric conversion device is a device in which P-type semiconductors and N-type semiconductors are electrically connected alternately, and which utilizes the Peltier effect generated by impressing a direct current on this circuit, or between them. It is composed of two or more electrodes with a certain gap in between and uses the thermoelectron effect generated by the electrons moving in the space between the electrodes. It is a device having a function of heating one heat transfer surface and cooling the other heat transfer surface by flowing. That is, in the thermoelectric conversion device, one surface functions as a heat dissipation surface and the other surface functions as a heat absorption surface.
【０００３】[0003]
【従来の技術】近年、フロンガスの大気放出によるオゾ
ン層破壊や温暖化が地球的な問題となり、フロンガスを
使用しない冷蔵庫や冷温蔵庫の開発が急がれている。そ
してフロンガスを使用しない方式の一つとして、熱電変
換デバイスを使用した電子冷温蔵庫が注目されている。2. Description of the Related Art In recent years, ozone layer depletion and global warming due to the release of CFC gas into the atmosphere have become a global problem, and there is an urgent need to develop refrigerators and cold storages that do not use CFC gas. An electronic cold storage using a thermoelectric conversion device has been attracting attention as one of the methods that does not use CFCs.
【０００４】熱電変換デバイスを使用した電子冷温蔵庫
は、例えば実開昭６３-１７５７７９号公報に開示され
ている。An electronic cold storage using a thermoelectric conversion device is disclosed, for example, in Japanese Utility Model Publication No. 63-175779.
【０００５】以下、図面を参照しながら上記従来の電子
冷温蔵庫について説明する。The conventional electronic cold storage will be described below with reference to the drawings.
【０００６】図３は実開昭６３-１７５７７９号公報に
開示された電子冷温蔵庫の断面図を示している。図３に
おいて、１は箱体で、外壁２と内壁３と発泡断熱材４を
重ねて形成される壁材５によって構成され、内部に貯蔵
空間６を有している。７は貯蔵空間６を開閉する扉であ
り、箱体１と同様の壁材５によって構成される。８は熱
電変換デバイスであり、吸熱面８ａと放熱面８ｂとを有
する。９は箱体１の内部に設けられた冷却器、１０は箱
体１の外部に設けられた放熱器、１１と１２はブロック
であり、冷却器９はブロック１１を介して熱電変換デバ
イス８の吸熱面８ａと熱的に接続され、放熱器１０はブ
ロック１２を介して熱電変換デバイス８の放熱面８ｂと
熱的に接続されている。１３は箱体１の背面側に設けら
れ放熱器１０を収納する風路である。FIG. 3 shows a sectional view of the electronic cold storage disclosed in Japanese Utility Model Laid-Open No. 63-175779. In FIG. 3, reference numeral 1 denotes a box, which is constituted by a wall member 5 formed by stacking an outer wall 2, an inner wall 3 and a foam heat insulating material 4, and has a storage space 6 inside. Reference numeral 7 is a door that opens and closes the storage space 6, and is constituted by the wall material 5 similar to the box body 1. Reference numeral 8 denotes a thermoelectric conversion device, which has a heat absorbing surface 8a and a heat radiating surface 8b. Reference numeral 9 is a cooler provided inside the box body 10, 10 is a radiator provided outside the box body 1, 11 and 12 are blocks, and the cooler 9 is connected to the thermoelectric conversion device 8 via the block 11. The radiator 10 is thermally connected to the heat absorption surface 8 a, and the radiator 10 is thermally connected to the heat radiation surface 8 b of the thermoelectric conversion device 8 via the block 12. Reference numeral 13 denotes an air passage provided on the back side of the box body 1 for housing the radiator 10.
【０００７】以上のように構成された従来の電子冷温蔵
庫では、熱電変換デバイス８に直流電流を流すことで、
ペルチェ効果によって吸熱面８ａから放熱面８ｂへの熱
移動が生じ、吸熱面８ａが冷却され、放熱面８ｂが加熱
される。そして貯蔵空間６は冷却器９とブロック１１を
介して吸熱面８ａと熱的に接続されているため、吸熱面
８ａの冷却によって貯蔵空間６が冷却される。また風路
１３は放熱器１０とブロック１２を介して放熱面８ｂと
熱的に接続されているため、放熱面８ｂの熱が風路１３
へ放熱されることになる。In the conventional electronic cold storage constructed as described above, by applying a direct current to the thermoelectric conversion device 8,
Due to the Peltier effect, heat is transferred from the heat absorbing surface 8a to the heat radiating surface 8b, the heat absorbing surface 8a is cooled, and the heat radiating surface 8b is heated. Since the storage space 6 is thermally connected to the heat absorbing surface 8a via the cooler 9 and the block 11, the storage space 6 is cooled by cooling the heat absorbing surface 8a. Further, since the air passage 13 is thermally connected to the heat radiation surface 8b via the radiator 10 and the block 12, the heat of the heat radiation surface 8b is transferred to the air passage 13 by the heat of the heat radiation surface 8b.
It will be radiated to.
【０００８】[0008]
【発明が解決しようとする課題】しかしながら上記従来
の技術は、熱電変換デバイス８へ電流を供給する電源に
ついては記載されておらず、外部電源からの直流電流の
供給もしくは外部電源からの交流電流の供給と直流電流
への変換器がさらに必要となる。また箱体１を構成する
壁材５には発泡断熱材４が使用されており、十分な断熱
性能を有するために壁材５は厚くする必要があり、その
ため所定の大きさの貯蔵空間２を確保するためには箱体
１は大きく同時に重いものとなる。先に述べた外部電源
から電流の供給が必要なことと、この箱体１が大きく重
いことにより、従来の電子冷温蔵庫は冷却運転または加
温運転しながら外部電源の無いところを可搬することが
できないという課題を有していた。However, the above-mentioned conventional technique does not describe a power source for supplying a current to the thermoelectric conversion device 8, and a DC current is supplied from an external power source or an AC current is supplied from the external power source. An additional supply and converter to direct current is required. Further, since the foamed heat insulating material 4 is used for the wall material 5 which constitutes the box body 1, it is necessary to make the wall material 5 thick in order to have sufficient heat insulation performance. Therefore, the storage space 2 having a predetermined size is formed. In order to secure it, the box 1 is large and heavy at the same time. Due to the need to supply current from the external power source and the large and heavy box body 1 described above, the conventional electronic cold-storage cabinet can carry a place without an external power source while performing cooling operation or heating operation. There was a problem that they could not.
【０００９】本発明は従来の課題を解決するもので、外
部電源の無いところで冷却運転または加温運転ができる
可搬可能な電子冷温蔵庫を提供することを目的とする。The present invention solves the conventional problems, and an object of the present invention is to provide a portable electronic cold storage that can be cooled or heated without an external power source.
【００１０】[0010]
【課題を解決するための手段】本発明の請求項１に記載
の発明は、少なくとも一部に真空断熱材を内包する壁材
によって構成され内部に貯蔵空間を有する箱体と、吸熱
面と放熱面とを有し電流を流すことにより前記放熱面が
加熱され前記吸熱面が冷却され、前記放熱面と前記吸熱
面の一方の面が前記箱体内部の貯蔵空間と直接または間
接的に熱交換し、他方の面が前記箱体外部と直接または
間接的に熱交換する熱電変換デバイスと、前記熱電変換
デバイスと蓄電装置とに接続された制御装置とを備え、
前記制御装置は、外部電源が接続されているかどうかを
検知し、外部電源が接続されている時は、外部電源から
前記熱電変換デバイス及び前記蓄電装置へ電力供給し、
外部電源が接続されていない時は、前記蓄電装置から前
記熱電変換デバイスへ電力供給するよう電力供給経路を
切り替える電子冷温蔵庫であり、十分な断熱性能を有し
ながら壁材を非常に薄くできるので箱体をコンパクトか
つ軽量にでき、同時に外部電源なしに熱電変換デバイス
へ電流を供給することができるので、冷却運転または加
温運転しながら電子冷温蔵庫を容易に可搬することがで
きるという作用を有する。According to a first aspect of the present invention, there is provided a box body having a storage space inside, which is constituted by a wall material at least a part of which contains a vacuum heat insulating material, a heat absorbing surface and a heat radiating body. The heat-dissipating surface is heated and the heat-absorbing surface is cooled by passing an electric current therethrough, and one of the heat-dissipating surface and the heat-absorbing surface directly or indirectly exchanges heat with the storage space inside the box. The other surface includes a thermoelectric conversion device that directly or indirectly exchanges heat with the outside of the box body, and a control device connected to the thermoelectric conversion device and the power storage device,
The control device detects whether or not an external power supply is connected, and when the external power supply is connected, supplies power from the external power supply to the thermoelectric conversion device and the power storage device,
It is an electronic cold storage that switches the power supply path so as to supply power from the power storage device to the thermoelectric conversion device when an external power source is not connected, and the wall material can be made extremely thin while having sufficient heat insulation performance. Therefore, the box can be made compact and lightweight, and at the same time, current can be supplied to the thermoelectric conversion device without an external power source, so that the electronic cold storage can be easily carried while cooling or heating. Have an effect.
【００１１】また請求項２に記載の本発明は、熱電変換
デバイス及び蓄電装置に接続された発電装置を備え、前
記発電装置が、前記熱電変換デバイスまたは前記蓄電装
置、もしくは前記熱電変換デバイスと前記蓄電装置の両
方に電力供給するものであり、熱電変換デバイスへの電
力供給量を蓄電装置のみに依存せず増やすことができる
ので、外部電源の無いところでの電子冷温蔵庫の冷却運
転または加温運転時間を延ばすことができ、また条件に
よっては連続的に運転することができるという作用を有
する。The present invention according to claim 2 further comprises a power generation device connected to the thermoelectric conversion device and the power storage device, wherein the power generation device is the thermoelectric conversion device or the power storage device, or the thermoelectric conversion device and the thermoelectric conversion device. It supplies power to both power storage devices, and the amount of power supplied to the thermoelectric conversion device can be increased without depending only on the power storage device.Therefore, a cooling operation or heating of the electronic cold storage without an external power source is possible. The operation time can be extended, and the operation can be continuously performed depending on conditions.
【００１２】また請求項３に記載の本発明は、制御装置
に接続され箱体内部の貯蔵空間の温度を検出する温度検
出装置を備え、前記制御装置が、前記温度検出装置から
の出力により、前記熱電変換デバイスへ供給する電流を
変化させるものであり、貯蔵空間の温度を一定の温度に
精密に調節することが可能になるばかりでなく、必要以
上の冷却や加温によって余分な電力を消費することな
く、さらに熱電変換デバイスを非常に変換効率の高い条
件で使用することができるので消費電力を抑えることが
でき、外部電源の無いところでの電子冷温蔵庫の冷却運
転または加温運転の時間をさらに長くできるという作用
を有する。The present invention according to claim 3 further comprises a temperature detection device connected to the control device for detecting the temperature of the storage space inside the box, wherein the control device outputs the temperature from the temperature detection device. This is to change the current supplied to the thermoelectric conversion device, which not only makes it possible to precisely adjust the temperature of the storage space to a constant temperature, but also consumes extra power due to unnecessary cooling and heating. In addition, the thermoelectric conversion device can be used under conditions with extremely high conversion efficiency without power consumption, so power consumption can be suppressed, and the cooling operation or heating operation time of the electronic cold storage without an external power supply can be reduced. Has the effect that it can be made longer.
【００１３】また請求項４に記載の本発明は、制御装置
が、熱電変換デバイスへ供給する電流の極性を反転させ
ることにより箱体内部の貯蔵空間の冷却と加温を切り替
えるであり、貯蔵空間を冷却するだけでなく加温するこ
ともでき、可搬する際の環境温度が所望する貯蔵空間の
温度よりも高い場合だけでなく低い場合でも貯蔵空間を
所望の温度に維持することができるという作用を有す
る。Further, according to a fourth aspect of the present invention, the control device switches between cooling and heating of the storage space inside the box by reversing the polarity of the current supplied to the thermoelectric conversion device. It can be heated as well as cooled, and it is said that the storage space can be maintained at the desired temperature not only when the environmental temperature at the time of carrying is higher than the temperature of the desired storage space but also when it is low. Have an effect.
【００１４】[0014]
【発明の実施の形態】以下、本発明による電子冷温蔵庫
の実施の形態について、図面を参照しながら説明する。
なお、従来と同一構成については、同一符号を付して詳
細な説明を省略する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of an electronic cold storage according to the present invention will be described below with reference to the drawings.
It should be noted that the same configurations as those of the conventional one are denoted by the same reference numerals and detailed description thereof will be omitted.
【００１５】（実施の形態１）図１は、本発明の実施の
形態１の電子冷温蔵庫の断面図である。(Embodiment 1) FIG. 1 is a sectional view of an electronic refrigerator / cooler according to Embodiment 1 of the present invention.
【００１６】図１において、１４は箱体で、外壁１５と
内壁１６と真空断熱材１７を重ねて形成される壁材１８
によって構成され、内部に貯蔵空間１９を有している。
２０は貯蔵空間１９を前面で開閉する扉であり、箱体１
４と同様の壁材１８によって構成される。２１は熱電変
換デバイスであり、吸熱面２１ａと放熱面２１ｂとを有
する。In FIG. 1, 14 is a box, which is a wall member 18 formed by stacking an outer wall 15, an inner wall 16 and a vacuum heat insulating material 17.
And has a storage space 19 inside.
Reference numeral 20 is a door that opens and closes the storage space 19 on the front side, and is a box 1
The same wall material 18 as that of No. 4 is used. Reference numeral 21 denotes a thermoelectric conversion device, which has a heat absorbing surface 21a and a heat radiating surface 21b.
【００１７】２２は箱体１４の内部に設けられた冷却器
で、基板２２ａとフィン２２ｂとからなる。２３は箱体
１４の背面に設けられた放熱器で、基板２３ａとフィン
２３ｂとからなる。２４はブロックである。冷却器２２
はブロック２４を介して熱電変換デバイス２１の吸熱面
２１ａと熱的に接続され、放熱器２３は熱電変換デバイ
ス２１の放熱面２１ｂと熱的に接続されている。Reference numeral 22 denotes a cooler provided inside the box body 14, which comprises a substrate 22a and fins 22b. Reference numeral 23 denotes a radiator provided on the back surface of the box body 14 and includes a substrate 23a and fins 23b. 24 is a block. Cooler 22
Is thermally connected to the heat absorption surface 21a of the thermoelectric conversion device 21 via the block 24, and the radiator 23 is thermally connected to the heat dissipation surface 21b of the thermoelectric conversion device 21.
【００１８】２５は箱体１４の背面に設けられた送風フ
ァンである。２６は箱体１４の前面下部から背面上部に
向かって設けられた風路であり、放熱器２３や送風ファ
ン２５を内包している。２７は箱体１４の下部の風路２
６内に設置された蓄電装置としての鉛蓄電池である。２
８は箱体１４の上部に設けられた発電装置としての太陽
発電パネルである。２９は貯蔵空間１９内に設けられ温
度検出装置である。Reference numeral 25 is a blower fan provided on the back surface of the box body 14. Reference numeral 26 denotes an air passage provided from the lower part of the front surface to the upper part of the rear surface of the box body 14 and includes the radiator 23 and the blower fan 25. 27 is an air passage 2 under the box body 14
6 is a lead storage battery as a power storage device installed in 6. Two
Reference numeral 8 denotes a solar power generation panel as a power generation device provided on the top of the box body 14. Reference numeral 29 is a temperature detecting device provided in the storage space 19.
【００１９】３０は箱体１４の下部の風路２６内に設け
られた制御装置であり、熱電変換デバイス２１、蓄電装
置２７、発電装置２８と温度検出装置２９とが電気的に
接続されている。制御装置３０は、外部電源が接続され
ているかどうかを検知し、外部電源が接続されている時
は、外部電源から、熱電変換デバイス２１と蓄電装置２
７とへ電力供給し、外部電源が接続されていない時は、
蓄電装置２７から熱電変換デバイス２１へ電力供給する
よう電力供給経路を切り替えるものである。Reference numeral 30 is a control device provided in the air passage 26 below the box body 14, and the thermoelectric conversion device 21, the power storage device 27, the power generation device 28 and the temperature detection device 29 are electrically connected. . The control device 30 detects whether or not an external power source is connected, and when the external power source is connected, the thermoelectric conversion device 21 and the power storage device 2 are connected from the external power source.
When power is supplied to 7 and the external power supply is not connected,
The power supply path is switched so that power is supplied from the power storage device 27 to the thermoelectric conversion device 21.
【００２０】以上のように構成された電子冷温蔵庫で
は、制御装置３０を介して蓄電装置２７や発電装置２８
から熱電変換デバイス２１に直流電流を流すことで、ペ
ルチェ効果や熱電子効果等によって吸熱面２１ａから放
熱面２１ｂへの熱移動が生じ、吸熱面２１ａが冷却さ
れ、放熱面２１ｂが加熱される。そして貯蔵空間１９は
冷却器２２とブロック２４を介して吸熱面２１ａと熱的
に接続されているため、吸熱面２１ａの冷却によって貯
蔵空間１９が冷却される。In the electronic cold storage constructed as described above, the power storage device 27 and the power generation device 28 are controlled through the control device 30.
When a direct current is caused to flow from the thermoelectric conversion device 21 to the thermoelectric conversion device 21, heat is transferred from the heat absorbing surface 21a to the heat radiating surface 21b due to the Peltier effect, the thermoelectron effect, or the like, the heat absorbing surface 21a is cooled, and the heat radiating surface 21b is heated. Since the storage space 19 is thermally connected to the heat absorption surface 21a via the cooler 22 and the block 24, the storage space 19 is cooled by cooling the heat absorption surface 21a.
【００２１】また、風路２６は放熱器２３を介して放熱
面２１ｂと熱的に接続されているため、放熱面２１ｂの
熱が風路２６へ放熱されることになる。ここで、箱体１
４を構成する壁材１８には真空断熱材１７が用いられて
いるので、十分な断熱性能を有しながら壁材１８を非常
に薄くできるので箱体１４はコンパクトかつ軽量とな
る。同時に蓄電装置２７と発電装置２８を有しているの
で、外部電源の無いところでも、蓄電装置２７と発電装
置２８の両方もしくはいずれか一方から熱電変換デバイ
ス２１へ電流を供給することができる。Further, since the air passage 26 is thermally connected to the heat radiating surface 21b via the radiator 23, the heat of the heat radiating surface 21b is radiated to the air passage 26. Here, the box 1
Since the vacuum heat insulating material 17 is used for the wall material 18 that constitutes part 4, the wall material 18 can be made extremely thin while having sufficient heat insulating performance, so that the box body 14 is compact and lightweight. Since the power storage device 27 and the power generation device 28 are provided at the same time, current can be supplied to the thermoelectric conversion device 21 from either or both of the power storage device 27 and the power generation device 28 even when there is no external power supply.
【００２２】また、発電装置２８は、熱電変換デバイス
２１への電力供給に加えて蓄電装置２７への電力供給も
行うことが可能であり、蓄電装置２７の充電も行うこと
ができる。また貯蔵空間１９の温度は温度検出装置２９
によって検出され、貯蔵空間１９の温度もしくはそれと
所望の温度との差を情報として、熱電変換デバイス２１
へ供給する電流が、制御装置３０によって無段階または
段階状に変化され、その値が調節される。さらに、熱電
変換デバイス２１へ供給する電流の極性を制御装置で反
転させることができ、これによって貯蔵空間１９を冷却
のみでなく加温することもできる。Further, the power generator 28 can supply power to the electricity storage device 27 in addition to supplying power to the thermoelectric conversion device 21, and can also charge the electricity storage device 27. Further, the temperature of the storage space 19 is detected by the temperature detecting device 29.
The thermoelectric conversion device 21 detects the temperature of the storage space 19 or the difference between the temperature and the desired temperature as information.
The current supplied to the control device 30 is continuously or stepwise changed by the control device 30 and the value thereof is adjusted. Furthermore, the polarity of the current supplied to the thermoelectric conversion device 21 can be reversed by the control device, so that the storage space 19 can be heated as well as cooled.
【００２３】以上のように本実施の形態の電子冷温蔵庫
は、真空断熱材１７を内包する壁材１８によって構成さ
れ、内部に貯蔵空間１９を有する箱体１４と、吸熱面２
１ａと放熱面２１ｂとを有し電流を流すことにより放熱
面２１ｂが加熱され吸熱面２１ａが冷却され、放熱面２
１ｂと吸熱面２１ａのいずれか一方が箱体１４内部の貯
蔵空間１９と熱交換し、放熱面２１ｂと吸熱面２１ａの
他方が箱体１４外部の風路２６と熱交換する熱電変換デ
バイス２１と、熱電変換デバイス２１へ電流を供給する
蓄電装置２７とからなり、十分な断熱性能を有しながら
壁材１８を非常に薄くできるので箱体１４をコンパクト
かつ軽量にでき、同時に外部電源なしに蓄電装置２７か
ら熱電変換デバイス２１へ電流を供給することができる
ので、冷却運転または加温運転しながら、電子冷温蔵庫
を容易に可搬することができる。As described above, the electronic refrigerator / cooler according to the present embodiment is constituted by the wall material 18 containing the vacuum heat insulating material 17, and has the box body 14 having the storage space 19 therein and the heat absorbing surface 2.
The heat radiation surface 21b is heated and the heat absorption surface 21a is cooled by passing an electric current through the heat radiation surface 2a.
A thermoelectric conversion device 21 in which one of 1b and the heat absorption surface 21a exchanges heat with the storage space 19 inside the box body 14, and the other of the heat dissipation surface 21b and the heat absorption surface 21a exchanges heat with the air passage 26 outside the box body 14. , The electricity storage device 27 that supplies current to the thermoelectric conversion device 21, and the wall material 18 can be made extremely thin while having sufficient heat insulation performance, so that the box body 14 can be made compact and lightweight, and at the same time, electricity can be stored without an external power source. Since an electric current can be supplied from the device 27 to the thermoelectric conversion device 21, the electronic cold storage can be easily carried while cooling or heating.
【００２４】また、熱電変換デバイス２１または蓄電装
置２７、もしくは熱電変換デバイス２１と蓄電装置２７
の両方に電力を供給する発電装置２８を備えることによ
り、外部電源の無いところでの電子冷温蔵庫の冷却運転
または加温運転時間を延ばすことができ、条件によって
は連続運転することもできるので、より長時間の可搬を
可能にすることができる。Further, the thermoelectric conversion device 21 or the electricity storage device 27, or the thermoelectric conversion device 21 and the electricity storage device 27.
By providing the power generation device 28 that supplies electric power to both of the above, it is possible to extend the cooling operation or the heating operation time of the electronic refrigerator / cooler without an external power source, and it is possible to continuously operate depending on the conditions. It can be transported for a longer time.
【００２５】また、箱体１４内部の貯蔵空間１９の温度
を検出する温度検出装置２９を備え、熱電変換デバイス
２１へ供給する電流の強弱を貯蔵空間１９の温度によっ
て制御することにより、貯蔵空間１９の温度を一定の温
度に精密に調節することが可能になるばかりでなく、必
要以上の冷却や加温によって余分な電力を消費すること
なく、さらに熱電変換デバイス２１を非常に変換効率の
高い条件で使用することができるので、これによっても
消費電力を抑えることができ、蓄電装置２７による稼働
時間をより長くして可搬性をさらに高めることができ
る。Further, a temperature detecting device 29 for detecting the temperature of the storage space 19 inside the box 14 is provided, and the strength of the electric current supplied to the thermoelectric conversion device 21 is controlled by the temperature of the storage space 19, so that the storage space 19 can be controlled. It is possible to precisely adjust the temperature of the thermoelectric converter to a constant temperature, and also to use the thermoelectric conversion device 21 with a very high conversion efficiency without consuming unnecessary electric power by unnecessary cooling or heating. Therefore, the power consumption can be suppressed, and the operating time of the power storage device 27 can be extended to further enhance the portability.
【００２６】さらに、熱電変換デバイス２１へ供給する
電流の極性を反転させることにより、箱体１４内部の貯
蔵空間１９の冷却と加温とを切り替えることができ、可
搬する際の環境温度が所望する貯蔵空間１９の温度より
も高い場合だけでなく低い場合でも貯蔵空間１９を所望
の温度に維持することが可能となり、可搬の際の温度調
節機能を高めることができる。Further, by reversing the polarity of the current supplied to the thermoelectric conversion device 21, it is possible to switch between cooling and heating of the storage space 19 inside the box body 14, and the environmental temperature at the time of carrying is desired. The storage space 19 can be maintained at a desired temperature not only when the temperature of the storage space 19 is higher than that of the storage space 19, but also when the temperature of the storage space 19 is lower than that of the storage space 19.
【００２７】なお、実施の形態１では、基板２２ａとフ
ィン２２ｂとからなる冷却器２２を貯蔵空間１９に設け
たが、図２に示すように、冷却器２２は内壁１６と兼用
しても良い。In the first embodiment, the cooler 22 including the substrate 22a and the fins 22b is provided in the storage space 19, but the cooler 22 may also serve as the inner wall 16 as shown in FIG. .
【００２８】また、蓄電装置２７には鉛蓄電池を用いた
が、蓄電装置２７にはリチウムイオン電池やニッケル水
素電池等を使用しても差し支えない。Although a lead storage battery is used as the power storage device 27, a lithium ion battery, a nickel hydride battery, or the like may be used as the power storage device 27.
【００２９】さらに、発電装置２８には太陽発電パネル
を用いたが、発電装置２８にはゼーベック効果を利用し
たモジュールや燃料電池等を使用しても差し支えない。Further, although the solar power generation panel is used for the power generation device 28, a module utilizing the Seebeck effect, a fuel cell or the like may be used for the power generation device 28.
【００３０】[0030]
【発明の効果】以上説明したように本発明の請求項１に
記載の発明は、少なくとも一部に真空断熱材を内包する
壁材によって構成され内部に貯蔵空間を有する箱体と、
吸熱面と放熱面とを有し電流を流すことにより前記放熱
面が加熱され前記吸熱面が冷却され、前記放熱面と前記
吸熱面の一方の面が前記箱体内部の貯蔵空間と直接また
は間接的に熱交換し、他方の面が前記箱体外部と直接ま
たは間接的に熱交換する熱電変換デバイスと、前記熱電
変換デバイスと蓄電装置とに接続された制御装置とを備
え、前記制御装置は、外部電源が接続されているかどう
かを検知し、外部電源が接続されている時は、外部電源
から前記熱電変換デバイス及び前記蓄電装置へ電力供給
し、外部電源が接続されていない時は、前記蓄電装置か
ら前記熱電変換デバイスへ電力供給するよう電力供給経
路を切り替えるものであり、十分な断熱性能を有しなが
ら壁材を非常に薄くできるので箱体をコンパクトかつ軽
量にでき、同時に外部電源なしに熱電変換デバイスへ電
流を供給することができるので、冷却運転または加温運
転しながら電子冷温蔵庫を容易に可搬することができ
る。As described above, the invention according to claim 1 of the present invention comprises a box body having a storage space inside, which is constituted by a wall material at least a part of which contains a vacuum heat insulating material,
The heat dissipation surface is heated and the heat absorption surface is cooled by flowing an electric current having a heat absorption surface and a heat dissipation surface, and one surface of the heat dissipation surface and the heat absorption surface is directly or indirectly with a storage space inside the box body. Heat exchange, and the other surface includes a thermoelectric conversion device that directly or indirectly exchanges heat with the outside of the box body, and a control device connected to the thermoelectric conversion device and the power storage device, the control device, Detecting whether an external power source is connected, when the external power source is connected, power is supplied from the external power source to the thermoelectric conversion device and the power storage device, and when the external power source is not connected, The power supply path is switched so that power is supplied from the power storage device to the thermoelectric conversion device, and the wall material can be made extremely thin while having sufficient heat insulation performance, so the box body can be made compact and lightweight, and at the same time. It is possible to without parts power supplying current to the thermoelectric conversion device, an electronic cold warehouse box can be easily transportable while driving the cooling operation or heating.
【００３１】また請求項２に記載の発明は、請求項１に
記載の発明に加え、熱電変換デバイス及び蓄電装置に接
続された発電装置を備え、前記発電装置が、前記熱電変
換デバイスまたは前記蓄電装置、もしくは前記熱電変換
デバイスと前記蓄電装置の両方に電力供給するものであ
り、熱電変換デバイスへの電力供給量を蓄電装置のみに
依存せず増やすことができるので、外部電源の無いとこ
ろでの電子冷温蔵庫の冷却運転または加温運転時間を延
ばすことができ、条件によっては連続運転も可能とな
り、より長時間の可搬を可能にできる。The invention described in claim 2 is, in addition to the invention described in claim 1, provided with a power generator connected to a thermoelectric conversion device and a power storage device, wherein the power generation device is the thermoelectric conversion device or the power storage device. Device, or for supplying electric power to both the thermoelectric conversion device and the electric storage device, and the amount of electric power supplied to the thermoelectric conversion device can be increased without depending on only the electric storage device. The cooling operation or the heating operation time of the cold storage can be extended, continuous operation can be performed depending on conditions, and transport for a longer time can be enabled.
【００３２】また請求項３に記載の発明は、請求項１ま
たは２に記載の発明に加え、制御装置に接続され箱体内
部の貯蔵空間の温度を検出する温度検出装置を備え、前
記制御装置が、前記温度検出装置からの出力により、前
記熱電変換デバイスへ供給する電流を変化させるもので
あり、貯蔵空間の温度を一定の温度に精密に調節するこ
とが可能になるばかりでなく、必要以上の冷却や加温に
よって余分な電力を消費することなく、さらに熱電変換
デバイスを非常に変換効率の高い条件で使用することが
できるのでこれによっても消費電力を抑えることがで
き、外部電源の無いところでの電子冷温蔵庫の冷却運転
または加温運転時間をより長くして可搬性をさらに高め
ることができる。In addition to the invention according to claim 1 or 2, the invention according to claim 3 further comprises a temperature detection device connected to the control device for detecting the temperature of the storage space inside the box, However, the current supplied to the thermoelectric conversion device is changed by the output from the temperature detection device, and not only it becomes possible to precisely adjust the temperature of the storage space to a constant temperature, but more than necessary. Since the thermoelectric conversion device can be used under conditions with extremely high conversion efficiency without consuming extra power by cooling or heating the device, this also reduces power consumption and makes it possible to use the device in the absence of an external power source. It is possible to further enhance the portability by extending the cooling operation or the heating operation time of the electronic cold storage.
【００３３】また請求項４に記載の発明は、請求項１か
ら請求項３のいずれか一項に記載の発明に加え、制御装
置が、熱電変換デバイスへ供給する電流の極性を反転さ
せることにより箱体内部の貯蔵空間の冷却と加温を切り
替えるものであり、可搬する際の環境温度が所望する貯
蔵空間の温度よりも高い場合だけでなく低い場合でも貯
蔵空間を所望の温度に維持することが可能となり、可搬
の際の温度調節機能を高めることができる。In addition to the invention according to any one of claims 1 to 3, the invention according to claim 4 is characterized in that the controller reverses the polarity of the current supplied to the thermoelectric conversion device. It switches between cooling and heating of the storage space inside the box, and maintains the storage space at the desired temperature not only when the environment temperature during transport is higher than the desired storage space temperature but also when it is lower. This makes it possible to enhance the temperature control function during transport.
【図１】本発明による電子冷温蔵庫の実施の形態１の断
面図FIG. 1 is a sectional view of a first embodiment of an electronic refrigerator / cooler according to the present invention.
【図２】本発明による電子冷温蔵庫の他の実施の形態の
断面図FIG. 2 is a sectional view of another embodiment of the electronic refrigerator / cooler according to the present invention.
【図３】従来の電子冷温蔵庫の断面図FIG. 3 is a sectional view of a conventional electronic refrigerator / cooler.
１４ 箱体 １７ 真空断熱材 １８ 壁材 ２１ 熱電変換デバイス ２１ａ 吸熱面 ２１ｂ 放熱面 ２７ 蓄電装置 ２８ 発電装置 ２９ 温度検出装置 14 boxes 17 Vacuum insulation 18 wall materials 21 Thermoelectric conversion device 21a Endothermic surface 21b Heat dissipation surface 27 Power storage device 28 generator 29 Temperature detector
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｆ２５Ｄ 23/06 Ｆ２５Ｄ 23/06 Ｘ (72)発明者 谷口 光▲のり▼ 大阪府東大阪市高井田本通４丁目２番５号 松下冷機株式会社内 (72)発明者 上田 啓裕 大阪府東大阪市高井田本通４丁目２番５号 松下冷機株式会社内 Ｆターム(参考） 3L044 BA03 3L045 AA01 3L102 JA08 MA08 MB30 ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 7 Identification code FI Theme Coat (reference) F25D 23/06 F25D 23/06 X (72) Inventor Hikaru Taniguchi ▲ Nori ▼ Takaida Hondori, Higashi-Osaka City, Osaka Prefecture 4-2-5 Matsushita Refrigerator Co., Ltd. (72) Inventor Hirohiro Ueda 4-5-5 Takaidahondori, Higashi-Osaka City, Osaka Prefecture F-Term (Reference) 3L044 BA03 3L045 AA01 3L102 JA08 MA08 MB30
Claims (4)
壁材によって構成され内部に貯蔵空間を有する箱体と、
吸熱面と放熱面とを有し電流を流すことにより前記放熱
面が加熱され前記吸熱面が冷却され、前記放熱面と前記
吸熱面の一方の面が前記箱体内部の貯蔵空間と直接また
は間接的に熱交換し、他方の面が前記箱体外部と直接ま
たは間接的に熱交換する熱電変換デバイスと、前記熱電
変換デバイスと蓄電装置とに接続された制御装置とを備
え、前記制御装置は、外部電源が接続されているかどう
かを検知し、外部電源が接続されている時は、外部電源
から前記熱電変換デバイス及び前記蓄電装置へ電力供給
し、外部電源が接続されていない時は、前記蓄電装置か
ら前記熱電変換デバイスへ電力供給するよう電力供給経
路を切り替える電子冷温蔵庫。1. A box body having a storage space inside, which is composed of a wall material at least a part of which contains a vacuum heat insulating material,
The heat dissipation surface is heated and the heat absorption surface is cooled by flowing an electric current having a heat absorption surface and a heat dissipation surface, and one surface of the heat dissipation surface and the heat absorption surface is directly or indirectly with a storage space inside the box body. Heat exchange, and the other surface includes a thermoelectric conversion device that directly or indirectly exchanges heat with the outside of the box body, and a control device connected to the thermoelectric conversion device and the power storage device, the control device, Detecting whether an external power source is connected, when the external power source is connected, power is supplied from the external power source to the thermoelectric conversion device and the power storage device, and when the external power source is not connected, An electronic cold storage that switches a power supply path so that power is supplied from a power storage device to the thermoelectric conversion device.
れた発電装置を備え、前記発電装置が、前記熱電変換デ
バイスまたは前記蓄電装置、もしくは前記熱電変換デバ
イスと前記蓄電装置の両方に電力供給する請求項１に記
載の電子冷温蔵庫。2. A thermoelectric conversion device and a power generation device connected to the power storage device, wherein the power generation device supplies power to the thermoelectric conversion device or the power storage device, or both the thermoelectric conversion device and the power storage device. Item 2. The electronic cold storage cabinet according to Item 1.
の温度を検出する温度検出装置を備え、前記制御装置
が、前記温度検出装置からの出力により、前記熱電変換
デバイスへ供給する電流を変化させる請求項１または２
に記載の電子冷温蔵庫。3. A temperature detection device connected to the control device for detecting the temperature of the storage space inside the box, wherein the control device outputs an electric current to be supplied to the thermoelectric conversion device according to an output from the temperature detection device. Claim 1 or 2 which changes
Electronic cold storage described in.
る電流の極性を反転させることにより箱体内部の貯蔵空
間の冷却と加温を切り替える請求項１から請求項３のい
ずれか一項に記載の電子冷温蔵庫。4. The control device switches between cooling and heating of the storage space inside the box body by reversing the polarity of the current supplied to the thermoelectric conversion device. Electronic cold storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001222911A JP2003035480A (en) | 2001-07-24 | 2001-07-24 | Electronic cold and hot storage chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001222911A JP2003035480A (en) | 2001-07-24 | 2001-07-24 | Electronic cold and hot storage chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003035480A true JP2003035480A (en) | 2003-02-07 |
Family
ID=19056324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001222911A Pending JP2003035480A (en) | 2001-07-24 | 2001-07-24 | Electronic cold and hot storage chamber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003035480A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005274069A (en) * | 2004-03-25 | 2005-10-06 | Twinbird Corp | Refrigerator |
| JP2005331230A (en) * | 2004-04-21 | 2005-12-02 | Ricoh Co Ltd | Cooling device, cooling method, program, recording medium and electronic device |
| JP2006240736A (en) * | 2005-06-23 | 2006-09-14 | Adobansensu Kk | Continuously sterilizing system for medicine container |
| CN103954093A (en) * | 2014-04-23 | 2014-07-30 | 郑州牧业工程高等专科学校 | Portable solar refrigeration fresh keeping refrigerator |
| CN104236215A (en) * | 2013-06-07 | 2014-12-24 | 三菱电机株式会社 | Refrigerator |
| WO2018015857A1 (en) * | 2016-07-21 | 2018-01-25 | Altaii Italia S.R.L. | Heating-cooling device with no power grid |
| KR20180040954A (en) * | 2016-10-13 | 2018-04-23 | 엘지전자 주식회사 | Apparatus for generating cold water and water purifier having the same |
| WO2021220575A1 (en) * | 2020-05-01 | 2021-11-04 | 憲之 石村 | Container and automobile |
-
2001
- 2001-07-24 JP JP2001222911A patent/JP2003035480A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005274069A (en) * | 2004-03-25 | 2005-10-06 | Twinbird Corp | Refrigerator |
| JP2005331230A (en) * | 2004-04-21 | 2005-12-02 | Ricoh Co Ltd | Cooling device, cooling method, program, recording medium and electronic device |
| JP2006240736A (en) * | 2005-06-23 | 2006-09-14 | Adobansensu Kk | Continuously sterilizing system for medicine container |
| CN104236215A (en) * | 2013-06-07 | 2014-12-24 | 三菱电机株式会社 | Refrigerator |
| CN103954093A (en) * | 2014-04-23 | 2014-07-30 | 郑州牧业工程高等专科学校 | Portable solar refrigeration fresh keeping refrigerator |
| CN103954093B (en) * | 2014-04-23 | 2016-03-16 | 河南牧业经济学院 | Portable type solar energy freezes chilled case |
| WO2018015857A1 (en) * | 2016-07-21 | 2018-01-25 | Altaii Italia S.R.L. | Heating-cooling device with no power grid |
| CN109791008A (en) * | 2016-07-21 | 2019-05-21 | 艾尔太意大利有限责任公司 | Heating-cooling equipment without power grid |
| KR20180040954A (en) * | 2016-10-13 | 2018-04-23 | 엘지전자 주식회사 | Apparatus for generating cold water and water purifier having the same |
| KR102515331B1 (en) | 2016-10-13 | 2023-03-29 | 엘지전자 주식회사 | Apparatus for generating cold water and water purifier having the same |
| WO2021220575A1 (en) * | 2020-05-01 | 2021-11-04 | 憲之 石村 | Container and automobile |
| JP2021175931A (en) * | 2020-05-01 | 2021-11-04 | 憲之 石村 | Container and automobile |
| CN115398165A (en) * | 2020-05-01 | 2022-11-25 | 尼科尔德***株式会社 | Container and automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5505046A (en) | Control system for thermoelectric refrigerator | |
| EP1009958B1 (en) | Improved vacuum diode heat pump | |
| JP2001282396A (en) | Power generating mechanism and computer device and electronic equipment | |
| KR100868492B1 (en) | Solar cell generating apparatus with peltier circuit | |
| WO2017197842A1 (en) | Intelligent heat energy recycling apparatus and air-conditioning system | |
| KR20220060516A (en) | A Refrigerator Having a Thermo Electric Module Integrated with a Heat Pipe | |
| Rokde et al. | Peltier based eco-friendly smart refrigerator for rural areas | |
| CN105972735A (en) | Semiconductor cooling and heating fan | |
| JP2003035480A (en) | Electronic cold and hot storage chamber | |
| CA2492902A1 (en) | Solar-powered temperature regulation system for the interior of an automobile/motor vehicle to solar-powered temperature regulation system for the interior of an automobile/motor vehicle | |
| JP2004319658A (en) | Electronic cooler | |
| US20050162832A1 (en) | Heat dissipation in devices that have an internal energy supply | |
| Kaiprath et al. | A review on solar photovoltaic-powered thermoelectric coolers, performance enhancements, and recent advances | |
| CN107023912B (en) | Photovoltaic semiconductor refrigeration air conditioner and energy supply method and device of photovoltaic air conditioner | |
| Hameed et al. | Thermoelectric cooler performance enhancement using thermoelectric generators and their use as a single model to improve the performance of thermal battery management systems for electric vehicles | |
| JPH05264153A (en) | Refrigerator | |
| US20090120481A1 (en) | Multi-Functional Energy Converter | |
| TWM504411U (en) | Charging protection cover with cooling function | |
| JP2004278893A (en) | Cooling device and refrigerator-freezer comprising the same | |
| JP2001074348A (en) | Electric refrigerator | |
| JPH11289783A (en) | Solar generator | |
| JP2003269838A (en) | Electronic cold-hot storage | |
| CN110501831A (en) | Backlight module and display device | |
| CN109915423A (en) | It is a kind of based on semiconductor refrigerating element without leaf refrigerating fan | |
| CN209782883U (en) | Portable refrigeration fan based on semiconductor refrigeration element |