JPH09219475A - Feeding circuit of electron cooling element - Google Patents
Feeding circuit of electron cooling elementInfo
- Publication number
- JPH09219475A JPH09219475A JP8023521A JP2352196A JPH09219475A JP H09219475 A JPH09219475 A JP H09219475A JP 8023521 A JP8023521 A JP 8023521A JP 2352196 A JP2352196 A JP 2352196A JP H09219475 A JPH09219475 A JP H09219475A
- Authority
- JP
- Japan
- Prior art keywords
- cooling element
- current
- electronic cooling
- circuit
- elements
- 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
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、電子冷却素子(ペ
ルチェ素子)を複数個使用した機器における電子冷却素
子給電回路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 cooling element feeding circuit in an apparatus using a plurality of electronic cooling elements (Peltier elements).
【0002】[0002]
【従来の技術】図2は電子冷却素子を複数個使用し、電
子冷却素子を経由後、他の機器又は回路へ電力を供給す
る方式の従来の電子冷却素子給電回路の例である。同図
において、1は電子冷却素子、2は電流制御部、3は元
電源入端子、4は他の回路への電流出力端子である。2. Description of the Related Art FIG. 2 shows an example of a conventional electronic cooling element power supply circuit which uses a plurality of electronic cooling elements and supplies electric power to other devices or circuits after passing through the electronic cooling elements. In the figure, 1 is an electronic cooling element, 2 is a current controller, 3 is an original power-on terminal, and 4 is a current output terminal to another circuit.
【0003】図示しない元電源より供給される電流は、
直列に接続した電子冷却素子1及びその電流制御回路2
を経由し、他の機器又は回路に供給される。電子冷却素
子1に流す必要のない電流は電流制御回路2を経由す
る。The current supplied from an unillustrated source power source is
Thermoelectric cooler 1 and current control circuit 2 connected in series
And is supplied to other devices or circuits. The current that does not need to flow through the electronic cooling element 1 passes through the current control circuit 2.
【0004】ここで例えば、電子冷却素子1に流れる電
流を200mAとして、後段の回路(図示せず)に流す
必要のある電流を700mAとすると、電流制御部2に
流れる電流は500mAとなる。Here, for example, if the current flowing through the electronic cooling element 1 is 200 mA and the current required to flow through a circuit (not shown) in the subsequent stage is 700 mA, the current flowing through the current controller 2 is 500 mA.
【0005】[0005]
【発明が解決しようとする課題】従来の電子冷却素子を
直列に接続する方式では、電子冷却素子給電回路の二次
側に接続される回路又は機器の消費電流が大きい場合、
電子冷却素子電流制御回路に流れる電流が大きくなり、
また、電子冷却素子の数に比例し、両端電圧が高くなる
ため、消費電力が更に大きくなる欠点があった。In the conventional method of connecting electronic cooling elements in series, when the current consumption of the circuit or equipment connected to the secondary side of the electronic cooling element feeding circuit is large,
The current flowing through the electronic cooling element current control circuit increases,
Further, since the voltage across both terminals is increased in proportion to the number of electronic cooling elements, there is a drawback that the power consumption is further increased.
【0006】本発明は、この欠点を解決し、消費電力を
低減することを目的とする。An object of the present invention is to solve this drawback and reduce power consumption.
【0007】[0007]
【課題を解決するための手段】本発明は上記の目的を達
成するために、複数個ある電子冷却素子の一部又は全て
を並列に接続することにより、電子冷却素子の電流制御
回路の電力を低減するものである。In order to achieve the above-mentioned object, the present invention connects a part or all of a plurality of electronic cooling elements in parallel so that the electric power of the current control circuit of the electronic cooling element is increased. It will be reduced.
【0008】このような回路構成にすることにより、電
子冷却素子給電回路の消費電力を低減することができ
る。With such a circuit configuration, the power consumption of the electronic cooling element feeding circuit can be reduced.
【0009】[0009]
【発明の実施の形態】以下この発明の一実施例を図1の
回路図により説明する。BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the circuit diagram of FIG.
【0010】同図において、5は電流制限抵抗、6は電
流制御部である。他の符号は図2と同一物を示す。In the figure, 5 is a current limiting resistor and 6 is a current controller. Other reference numerals are the same as those in FIG.
【0011】元電力入力の端子3より入力される電流
は、電子冷却素子給電回路6を経由して、図示しない他
の機器又は回路へ供給される。各電子冷却素子1を並列
に接続することにより、電流は各電子冷却素子1及び電
子冷却素子電流制御回路6に分流する。The current input from the source power input terminal 3 is supplied to another device or circuit (not shown) via the electronic cooling element power supply circuit 6. By connecting the electronic cooling elements 1 in parallel, the current is shunted to the electronic cooling elements 1 and the electronic cooling element current control circuit 6.
【0012】各電子冷却素子の特性偏差分は各電子冷却
素子と直列に接続された電流制限抵抗5により補正す
る。The characteristic deviation of each electronic cooling element is corrected by the current limiting resistor 5 connected in series with each electronic cooling element.
【0013】例えば、1つの電子冷却素子1に流れる電
流を200mAとすると、3つの場合600mAとな
り、電流制御部6に流れる電流は100mAとなる。For example, if the electric current flowing through one thermoelectric cooling element 1 is 200 mA, the electric current flowing through the current controller 6 is 100 mA, and the electric current flowing through the current control unit 6 is 100 mA.
【0014】つまり、電流制御部に流れる電流は従来例
に対し、400mAも少なくなる。このことにより、電
流制御部での消費電力を大幅に低減することができる。That is, the current flowing through the current controller is 400 mA less than that of the conventional example. As a result, the power consumption of the current controller can be significantly reduced.
【0015】[0015]
【発明の効果】以上、説明したように発明によれば単純
な回路構成で電流制御部での消費電力の大幅な低減が実
現できる。As described above, according to the present invention, the power consumption of the current controller can be greatly reduced with a simple circuit configuration.
【図1】本発明の一実施例を示す電子冷却素子の給電回
路回路の構成ブロック図FIG. 1 is a configuration block diagram of a power supply circuit circuit of an electronic cooling element showing an embodiment of the present invention.
【図2】従来の回路構成を示す電子冷却素子の給電回路
のブロック図FIG. 2 is a block diagram of a power supply circuit for a thermoelectric cooler showing a conventional circuit configuration.
1 電子冷却素子、2、6 電子冷却素子電流制御部、
3 元電源入力、4他の機器又は回路への出力、5 電
流制限抵抗。1 electronic cooling element, 2, 6 electronic cooling element current control unit,
3 power input, 4 output to other equipment or circuit, 5 current limiting resistor.
Claims (1)
で、各電子冷却素子を複数接続し、該電子冷却素子を経
由して他の機器又は回路へ電力を供給する電子冷却素子
給電回路において、前記電子冷却素子と、該電子冷却素
子と直列に接続された電流制限用抵抗より成る電子冷却
素子回路を複数個並列に接続するとともに該電子冷却素
子回路と並列に電流制御部を接続したことを特徴とする
電子冷却素子の給電回路。1. An electronic cooling element power supply circuit, comprising a plurality of electronic cooling elements, wherein a plurality of electronic cooling elements are connected to each other to supply electric power to another device or circuit via the electronic cooling elements. Connecting a plurality of the electronic cooling elements and an electronic cooling element circuit composed of a current limiting resistor connected in series with the electronic cooling element in parallel, and connecting a current controller in parallel with the electronic cooling element circuit. A power supply circuit for a thermoelectric cooler.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8023521A JPH09219475A (en) | 1996-02-09 | 1996-02-09 | Feeding circuit of electron cooling element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8023521A JPH09219475A (en) | 1996-02-09 | 1996-02-09 | Feeding circuit of electron cooling element |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH09219475A true JPH09219475A (en) | 1997-08-19 |
Family
ID=12112762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8023521A Pending JPH09219475A (en) | 1996-02-09 | 1996-02-09 | Feeding circuit of electron cooling element |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH09219475A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000046893A1 (en) * | 1999-02-03 | 2000-08-10 | The Furukawa Electric Co., Ltd. | Semiconductor laser and semiconductor laser module using the same |
US6326610B1 (en) | 1998-05-11 | 2001-12-04 | Hamamatsu Photonics K.K. | Optical sensor including temperature control |
US6614822B2 (en) | 2000-02-03 | 2003-09-02 | The Furukawa Electric Co., Ltd. | Semiconductor laser devices, and semiconductor laser modules and optical communication systems using the same |
US6810063B1 (en) | 1999-06-09 | 2004-10-26 | The Furukawa Electric Co., Ltd. | Semiconductor laser device |
US6870871B2 (en) | 2000-02-03 | 2005-03-22 | The Furukawa Electric Co., Ltd. | Semiconductor laser devices, and semiconductor laser modules and optical communication systems using the same |
US7006545B2 (en) | 2000-10-02 | 2006-02-28 | The Furukawa Electric Co., Ltd. | Semiconductor laser device and optical fiber amplifier using the same |
WO2014076891A1 (en) * | 2012-11-15 | 2014-05-22 | ナガノサイエンス株式会社 | Environmental testing device |
JP2015165554A (en) * | 2014-02-05 | 2015-09-17 | パナソニック株式会社 | Thermoelectric generator unit and thermoelectric generation system |
-
1996
- 1996-02-09 JP JP8023521A patent/JPH09219475A/en active Pending
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6326610B1 (en) | 1998-05-11 | 2001-12-04 | Hamamatsu Photonics K.K. | Optical sensor including temperature control |
WO2000046893A1 (en) * | 1999-02-03 | 2000-08-10 | The Furukawa Electric Co., Ltd. | Semiconductor laser and semiconductor laser module using the same |
US6567447B1 (en) | 1999-02-03 | 2003-05-20 | The Furukawa Electric Co., Ltd. | Semiconductor laser device and semiconductor laser module using the same |
US6810063B1 (en) | 1999-06-09 | 2004-10-26 | The Furukawa Electric Co., Ltd. | Semiconductor laser device |
US6614822B2 (en) | 2000-02-03 | 2003-09-02 | The Furukawa Electric Co., Ltd. | Semiconductor laser devices, and semiconductor laser modules and optical communication systems using the same |
US6870871B2 (en) | 2000-02-03 | 2005-03-22 | The Furukawa Electric Co., Ltd. | Semiconductor laser devices, and semiconductor laser modules and optical communication systems using the same |
US7006545B2 (en) | 2000-10-02 | 2006-02-28 | The Furukawa Electric Co., Ltd. | Semiconductor laser device and optical fiber amplifier using the same |
WO2014076891A1 (en) * | 2012-11-15 | 2014-05-22 | ナガノサイエンス株式会社 | Environmental testing device |
JP2015165554A (en) * | 2014-02-05 | 2015-09-17 | パナソニック株式会社 | Thermoelectric generator unit and thermoelectric generation system |
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