JP5158774B2 - Solar cell module temperature control system - Google Patents

Solar cell module temperature control system Download PDF

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JP5158774B2
JP5158774B2 JP2007315385A JP2007315385A JP5158774B2 JP 5158774 B2 JP5158774 B2 JP 5158774B2 JP 2007315385 A JP2007315385 A JP 2007315385A JP 2007315385 A JP2007315385 A JP 2007315385A JP 5158774 B2 JP5158774 B2 JP 5158774B2
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solar cell
temperature
cell module
control system
cooling
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JP2009141088A (en
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真一 猪狩
文雄 小椋
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National Institute of Advanced Industrial Science and Technology AIST
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Description

本発明は、ソーラシミュレータを用いる太陽電池モジュールの標準測定に適用される太陽電池モジュールの温度制御システムに関する。   The present invention relates to a solar cell module temperature control system applied to standard measurement of a solar cell module using a solar simulator.

ソーラシミュレータを用いる太陽電池セルまたはモジュールの標準測定法においては、測定試料の面内温度の規定値がＪＩＳにより２５±２℃の範囲内と決められている。実際の測定に際しては、試料が大強度の光により熱せられるので、その面内温度を制御して、上記範囲内に収める必要がある。もし、太陽電池セルまたはモジュールの面内温度が上記範囲から逸脱した場合は、測定で得られた性能データを温度補正しなければならず、このためには各性能データの温度係数を事前に知っておくことが必要となる。一方、面内温度が上記範囲内に収まっていれば、このような温度係数もこれを用いた補正計算も必要でなくなり、標準測定の手順を大幅に簡略化できる。   In the standard measurement method for solar cells or modules using a solar simulator, the specified value of the in-plane temperature of the measurement sample is determined to be within a range of 25 ± 2 ° C. according to JIS. In actual measurement, since the sample is heated by high-intensity light, it is necessary to control the in-plane temperature to be within the above range. If the in-plane temperature of the solar cell or module deviates from the above range, the performance data obtained from the measurement must be corrected for temperature. For this purpose, the temperature coefficient of each performance data is known in advance. It is necessary to keep it. On the other hand, if the in-plane temperature is within the above range, such a temperature coefficient and a correction calculation using the temperature coefficient are not necessary, and the standard measurement procedure can be greatly simplified.

初期の太陽電池標準測定法においては、対象となる太陽電池の寸法が数ｃｍ角以内と小さく、また背面に電極の突起等も存在しなかったため、試料背面に密着する一定形状の水冷システムを用いて、太陽電池の温度を規定値内に制御することは容易であった。しかし、近年の太陽電池モジュールは寸法が大きい上にその寸法規格が一定せず、さらに背面に存在する電極用の突起が色々な形状を有しているため、上記のような試料背面に密着した水冷システムを用いた太陽電池モジュールの温度制御は実用的ではない。そのため、従来は太陽電池モジュールの温度制御は、主として空冷システムにより行われてきた。この場合、測定室の室温とモジュール温度の双方を制御する必要があった。   In the initial solar cell standard measurement method, the size of the target solar cell was as small as several cm square, and there were no electrode protrusions on the back surface. Thus, it was easy to control the temperature of the solar cell within a specified value. However, recent solar cell modules are large in size, the dimensional standards are not constant, and the electrode projections on the back surface have various shapes, so that they are in close contact with the sample back surface as described above. Temperature control of a solar cell module using a water cooling system is not practical. Therefore, conventionally, the temperature control of the solar cell module has been mainly performed by an air cooling system. In this case, it was necessary to control both the room temperature and the module temperature in the measurement chamber.

図６は、従来技術に係る太陽電池モジュールの温度制御システムを示す図である。
同図に示すように、測定される太陽電池モジュール１０１は、照射装置１０３から発する大強度光により熱せられるため、太陽電池モジュール１０１の温度が標準測定の規定値を超えないように制御する必要がある。太陽電池モジュール１０１の温度は、モジュールの裏面に取り付けられた表面温度センサー１０２を用いて測定される。従来この表面温度センサー１０２の数は、モジュール当たり１〜３個程度であった。 FIG. 6 is a diagram illustrating a temperature control system for a solar cell module according to the related art.
As shown in the figure, the solar cell module 101 to be measured is heated by the high-intensity light emitted from the irradiating device 103. Therefore, it is necessary to control the temperature of the solar cell module 101 so that it does not exceed the standard measurement standard value. is there. The temperature of the solar cell module 101 is measured using a surface temperature sensor 102 attached to the back surface of the module. Conventionally, the number of the surface temperature sensors 102 is about 1 to 3 per module.

太陽電池モジュールを所定の温度範囲に制御するためには、まず、天井取付エアコン１０４等を用いて測定室の室温をＪＩＳの試料温度規定値の２５℃以下に制御する。なお、このような測定室の室温制御は、本発明においても同様に採用される。次に、このようにしてほぼ一定に保たれた室温中で、太陽電池モジュール１０１を所定の温度範囲に制御するために、太陽電池モジュール１０１の背後に扇風機１０５を配置し、扇風機１０５によって適温の風を太陽電池モジュールに送る空冷システムによって冷却していた。この時の扇風機１０５の数は、１個または２個程度であった。
特開平０６−３４３６６４号公報 特開２００２−１５６１２６号公報 特表２００５−５０１２１３号公報 特開２００５−１８３５２号公報 In order to control the solar cell module to a predetermined temperature range, first, the room temperature of the measurement chamber is controlled to 25 ° C. or less of the JIS sample temperature regulation value using the ceiling-mounted air conditioner 104 or the like. Note that such room temperature control of the measurement chamber is similarly employed in the present invention. Next, in order to control the solar cell module 101 to a predetermined temperature range at room temperature that is kept substantially constant in this way, a fan 105 is disposed behind the solar cell module 101 and the fan 105 is heated to an appropriate temperature. It was cooled by an air cooling system that sent the wind to the solar cell module. At this time, the number of fans 105 was about one or two.
Japanese Patent Laid-Open No. 06-343664 JP 2002-156126 A JP 2005-501213 Gazette JP 2005-18352 A

しかしながら、測定対象となる太陽電池モジュール１０１の熱伝導特性・熱放射特性等は、モジュールの面積・厚さ・材質等によって異なる値を持ち、また、測定室の室温も、室内に設置する装置の位置と発熱量によって、また季節によって、異なる値を持つ。即ち、太陽電池モジュール面内の表面温度を左右するパラメータは多岐にわたっている。そのため、上記のような単純な空冷システムを用いたのでは、太陽電池モジュール面内の温度を標準測定の規定温度範囲内に収めるための制御が難しく、熟練技術者が測定前に多くの時間をかけて準備する必要があった。また、太陽電池モジュール１０１のように面積が一定値を超えた場合には、１〜２個程度の扇風機１０５では、モジュール面内各点の温度を一定範囲内に収めることが困難であった。   However, the thermal conductivity characteristics, thermal radiation characteristics, etc. of the solar cell module 101 to be measured have different values depending on the area, thickness, material, etc. of the module, and the room temperature of the measurement room is also the value of the apparatus installed in the room It has different values depending on the position, the amount of heat, and the season. That is, there are a wide variety of parameters that affect the surface temperature in the solar cell module surface. Therefore, using the simple air cooling system as described above, it is difficult to control the temperature within the solar cell module surface within the specified temperature range of the standard measurement, and a skilled engineer spends a lot of time before the measurement. It was necessary to prepare over time. In addition, when the area exceeds a certain value as in the solar cell module 101, it is difficult for the one or two fans 105 to keep the temperature at each point in the module plane within a certain range.

本発明の目的は、上記の従来技術の問題点に鑑みて、従来の空冷システムを用いる場合に要した熟練技術者の長時間の温度調整作業を必要とせず、非熟練技術者でも容易に太陽電池モジュール面内各点の温度制御が可能な太陽電池モジュールの温度制御システムを提供することにある。   In view of the above-mentioned problems of the prior art, the object of the present invention is that it does not require long-time temperature adjustment work by a skilled engineer required when using a conventional air cooling system, and even an unskilled engineer can easily An object of the present invention is to provide a solar cell module temperature control system capable of controlling the temperature of each point in the battery module plane.

本発明は、上記の課題を解決するために、次のような手段を採用した。
第１の手段は、性能測定用照射光により熱せられる太陽電池モジュールの温度制御システムにおいて、太陽電池モジュールの配置面の背後において、それぞれ冷却風の直接の影響を受けないよう、断熱ブロック内に収納される複数の表面温度センサーを備え、該表面温度センサーに正対するよう、前記配置面と略平行な面に複数配置された前記太陽電池モジュールを冷却するための変速ファンと、該変速ファンの回転速度を制御する制御手段とからなり、前記表面温度センサーによって測定された測定温度に基づいて、前記変速ファンの回転速度を制御する太陽電池モジュールの温度制御システムである。
第２の手段は、第１の手段において、前記制御手段は、前記変速ファンの背後に配置された冷却パイプと、該冷却パイプ内に冷却媒体を循環させる循環恒温槽とを備え、前記表面温度センサーによって測定された測定温度に基づいて、前記循環恒温槽内の冷却媒体の温度を制御する太陽電池モジュールの温度制御システムである。
第３の手段は、第２の手段において、前記冷却パイプは冷却フィンを備え、前記冷却パイプは前記変速ファンの配置面と略平行な面において任意に移動配置可能であると共に、前記冷却フィンの方向を任意の方向に設定可能である太陽電池モジュールの温度制御システムである。 The present invention employs the following means in order to solve the above problems.
First means, in a temperature control system of the solar cell module is heated by the irradiation light for performance measurement, Oite behind the placement surface of the solar cell modules, so as not to directly affected each cooling air, the insulation block A plurality of surface temperature sensors housed in the surface, and a variable speed fan for cooling the plurality of solar cell modules arranged in a plane substantially parallel to the arrangement surface so as to face the surface temperature sensor; And a control means for controlling the rotational speed of the solar battery module, which controls the rotational speed of the variable speed fan based on the measured temperature measured by the surface temperature sensor.
The second means is the first means, wherein the control means comprises a cooling pipe disposed behind the variable speed fan, and a circulating thermostatic chamber for circulating a cooling medium in the cooling pipe, and the surface temperature. It is a temperature control system of the solar cell module which controls the temperature of the cooling medium in the circulation thermostat based on the measured temperature measured by the sensor.
According to a third means, in the second means, the cooling pipe is provided with a cooling fin, and the cooling pipe can be arbitrarily moved and arranged on a plane substantially parallel to the arrangement surface of the transmission fan. It is a temperature control system of the solar cell module which can set a direction to arbitrary directions.

本発明によれば、太陽電池モジュールの標準測定に必要な太陽電池モジュールを所定の温度範囲に容易に設定することができ、従来必要とされていた熟練技術者による長時間の温度調整作業を必要とせず、非熟練技術者でも容易に太陽電池モジュール面内各点の温度制御を容易に行うことができる。   According to the present invention, it is possible to easily set the solar cell module necessary for standard measurement of the solar cell module within a predetermined temperature range, and it is necessary to perform a long-time temperature adjustment work by a skilled engineer that has been conventionally required. However, even a non-skilled engineer can easily control the temperature of each point in the surface of the solar cell module.

本発明の一実施形態を図１ないし図５を用いて説明する。
図１は、本実施形態に係る太陽電池モジュールの温度制御システムの概要を示す図である。
同図において、１は平面状に配置された太陽電池モジュール、２は各表面温度センサー３を収納し変速ファン５からの冷却風の直接の影響を受けないようにするための断熱ブロック、３は太陽電池モジュール１が配置された配置面の裏面側に沿って複数個配置される表面温度センサー、４はパルス光からなる性能測定用照射光を太陽電池モジュール１に照射する照射装置、５は架台１０上に太陽電池モジュール１の配置面と略平行な面に配置された複数個の変速ファン、６は複数個の変速ファン５の背後に配置された水等の冷却媒体を流通させる冷却パイプ、７は冷却パイプ６との間で冷却媒体を循環させる循環恒温槽、８は当該太陽電池モジュールの温度制御システムが設置される室内の室内温度を測定する室温測定装置、９は複数個の表面温度センサー３からの表面温度信号と当該太陽電池モジュールの温度制御システムが設置される室内の室温信号を受信して、複数個の各変速ファン５の回転速度を制御するための回転速度制御信号を各変速ファン５に送信、および／または循環恒温槽７の冷却媒体の温度を制御するための温度制御信号を循環恒温槽７に送信するコンピュータ、８は当該太陽電池モジュールの温度制御システムが設置される室内の室温を測定する室温測定装置、１０は変速ファン５および冷却パイプ６が装着されキャスター等の移動手段を備える架台である。 An embodiment of the present invention will be described with reference to FIGS.
FIG. 1 is a diagram showing an overview of a temperature control system for a solar cell module according to the present embodiment.
In the figure, 1 is a solar cell module arranged in a plane, 2 is a heat insulating block for housing each surface temperature sensor 3 so as not to be directly affected by cooling air from the variable speed fan 5, A plurality of surface temperature sensors arranged along the back side of the arrangement surface on which the solar cell module 1 is arranged, 4 is an irradiation device for irradiating the solar cell module 1 with performance measurement irradiation light consisting of pulsed light, and 5 is a stand A plurality of speed change fans disposed on a surface substantially parallel to the surface on which the solar cell module 1 is disposed; 10 a cooling pipe for circulating a cooling medium such as water disposed behind the plurality of speed change fans 5; 7 is a circulating thermostat that circulates a cooling medium to and from the cooling pipe 6, 8 is a room temperature measuring device that measures the indoor temperature of the room where the temperature control system of the solar cell module is installed, and 9 is a plurality of tables. Receiving the surface temperature signal from the temperature sensor 3 and the room temperature signal in the room where the temperature control system of the solar cell module is installed, a rotational speed control signal for controlling the rotational speed of each of the plurality of variable speed fans 5 is received. A computer for transmitting a temperature control signal for transmission to each variable speed fan 5 and / or for controlling the temperature of the cooling medium in the circulating thermostat 7 to the circulating thermostat 7, 8 is provided with a temperature control system for the solar cell module. A room temperature measuring device 10 for measuring the room temperature in a room is a frame on which a speed change fan 5 and a cooling pipe 6 are mounted and provided with moving means such as casters.

なお、本実施形態に係る太陽電池モジュール１の温度制御システムは、変速ファン５の回転速度および／または変速ファン５に導入される空気の温度を制御する制御手段を有しており、具体的には、制御手段は、太陽電池モジュール１の配置面の背面に配置された複数の表面温度センサー３、変速ファン５の背後に配置された冷却パイプ６、冷却パイプ６内に冷却媒体を循環させる循環恒温槽７、コンピュータ９、室温測定装置８等から構成され、表面温度センサー３によって測定された測定温度に基づいて変速ファン５の回転速度を制御し、および／または表面温度センサー３によって測定された測定温度に基づいて循環恒温槽７内の冷却媒体の温度を制御する機能を有する。   In addition, the temperature control system of the solar cell module 1 according to the present embodiment includes a control unit that controls the rotation speed of the speed change fan 5 and / or the temperature of the air introduced into the speed change fan 5. The control means includes a plurality of surface temperature sensors 3 arranged on the back side of the arrangement surface of the solar cell module 1, a cooling pipe 6 arranged behind the speed change fan 5, and circulation for circulating a cooling medium in the cooling pipe 6. The thermostatic chamber 7, the computer 9, the room temperature measuring device 8, etc. are used to control the rotational speed of the variable speed fan 5 based on the measured temperature measured by the surface temperature sensor 3 and / or measured by the surface temperature sensor 3. It has a function of controlling the temperature of the cooling medium in the circulating thermostat 7 based on the measured temperature.

図１において、照射装置４から放射された性能測定用照射光は、測定中の太陽電池モジュール１の発熱を抑え温度上昇をできるだけ少なくして測定するためにパルス光が用いられ、パルス光は、例えば、定常光をシャッターで開閉して生成される。また、太陽電池モジュール１の背面に設けられる表面温度センサー３および架台９に設けられる変速ファン５の数は、例えば、各々１５個であり、表面温度センサー３と変速ファン５は正対するように３行５列に配置される。また、表面温度センサー３としては、例えば、１００Ωの白金抵抗体を用いる。また、変速ファン５としては、例えば、１２０ｍｍ角・羽根径４５ｍｍのものを用いる。なお、現在市販されている太陽電池モジュール１の最大寸法は、横１９００ｍｍ、縦１１００ｍｍである。変速ファン５および冷却パイプ６が装着された架台１０は、太陽電池モジュール１から１〜２ｍ離して配置される。   In FIG. 1, the irradiation light for performance measurement radiated from the irradiation device 4 uses pulsed light for measurement while suppressing the heat generation of the solar cell module 1 under measurement and minimizing temperature rise. For example, it is generated by opening and closing stationary light with a shutter. Further, the number of surface temperature sensors 3 provided on the back surface of the solar cell module 1 and the number of transmission fans 5 provided on the mount 9 are, for example, 15 each, and 3 so that the surface temperature sensors 3 and the transmission fans 5 face each other. Arranged in 5 rows. As the surface temperature sensor 3, for example, a 100Ω platinum resistor is used. As the speed change fan 5, for example, a fan having a 120 mm square and a blade diameter of 45 mm is used. In addition, the maximum dimension of the solar cell module 1 currently marketed is 1900 mm in width and 1100 mm in length. The gantry 10 on which the variable speed fan 5 and the cooling pipe 6 are mounted is arranged 1 to 2 m away from the solar cell module 1.

図２は、太陽電池モジュール１が配置された配置面の裏面に表面温度センサー３を収納し、表面温度センサー３に直接あたる冷却風の影響を遮断する断熱ブロック２の配置例を示す図である。
また、図３は架台１０に装着された変速ファン５および冷却パイプ６の一部拡大図であり、冷却パイプ６には、同図に示すように、冷却パイプ６からの放熱を効率良く行うためにフィンの方向を任意に設定可能な冷却フィン１１が設けられている。
また、図４は架台１０に装着された変速ファン５と冷却パイプ６の配置例を示す図であり、循環恒温槽７によって冷却パイプ６に冷却媒体が循環される様子を示している。同図においては、配置を解りやすくするために、変速ファン５が３個だけ描かれ、また冷却フィン１１は省略されており、冷却パイプ６が３行に配置されているのは、図２の１５個の表面温度センサー３の行列位置に正対させるためである。
なお、変速ファン５と冷却パイプ６の位置は、対応する表面温度センサー３の位置に合わせて架台１０上の変速ファン５と冷却パイプ６の配置面と略平行に縦・横方向に移動可能に設けられる。 FIG. 2 is a diagram illustrating an arrangement example of the heat insulating block 2 that houses the surface temperature sensor 3 on the rear surface of the arrangement surface on which the solar cell module 1 is arranged and blocks the influence of cooling air that directly hits the surface temperature sensor 3. .
FIG. 3 is a partially enlarged view of the variable speed fan 5 and the cooling pipe 6 mounted on the gantry 10, and the cooling pipe 6 is configured to efficiently dissipate heat from the cooling pipe 6 as shown in FIG. A cooling fin 11 is provided in which the direction of the fin can be arbitrarily set.
FIG. 4 is a view showing an arrangement example of the variable speed fan 5 and the cooling pipe 6 mounted on the gantry 10, and shows how the cooling medium is circulated through the cooling pipe 6 by the circulation thermostat 7. In FIG. 2, only three variable speed fans 5 are drawn, the cooling fins 11 are omitted, and the cooling pipes 6 are arranged in three rows for easy understanding of the arrangement. This is for the purpose of facing the matrix positions of the 15 surface temperature sensors 3.
Note that the positions of the speed change fan 5 and the cooling pipe 6 can be moved in the vertical and horizontal directions substantially parallel to the arrangement surface of the speed change fan 5 and the cooling pipe 6 on the gantry 10 according to the position of the corresponding surface temperature sensor 3. Provided.

本実施形態に係る太陽電池モジュール１における温度制御の手順を主として図１を用いて説明する。
太陽電池モジュール１の性能を測定するために、照射装置４から太陽電池モジュール１にパルス光からなる性能測定用照射光を照射する。その結果、太陽電池モジュール１の温度が上昇する。そのために、太陽電池モジュール１の背面に設けられた複数個の表面温度センサー３によって太陽電池モジュール１の温度が検出され、検出された温度信号はコンピュータ９に入力される。コンピュータ９は温度信号と室温測定装置８から得られた室温信号に基づいて、複数個の各変速ファン５に対して回転速度制御信号を送信して、各変速ファン５の回転速度を制御する。また、変速ファン５の回転速度の制御と同時にまたは独立して、コンピュータ９は循環恒温槽７に対して温度制御信号を送信して、循環恒温槽７内の冷却媒体の温度を制御する。その結果、各変速ファン５から太陽電池モジュール１への送風が制御される。また、循環恒温槽７内の冷却媒体の温度が制御されると、冷却パイプ６内に温度制御された冷却媒体が流入し、冷却フィン１１から放熱され、変速ファン５から太陽電池モジュール１への送風温度が制御される。よって、太陽電池モジュール１の標準測定に必要な太陽電池モジュール１の面内温度を所定の範囲に容易に設定することができる。 A temperature control procedure in the solar cell module 1 according to the present embodiment will be described mainly with reference to FIG.
In order to measure the performance of the solar cell module 1, the irradiation device 4 irradiates the solar cell module 1 with performance measurement irradiation light composed of pulsed light. As a result, the temperature of the solar cell module 1 rises. For this purpose, the temperature of the solar cell module 1 is detected by a plurality of surface temperature sensors 3 provided on the back surface of the solar cell module 1, and the detected temperature signal is input to the computer 9. Based on the temperature signal and the room temperature signal obtained from the room temperature measuring device 8, the computer 9 transmits a rotational speed control signal to each of the plurality of variable speed fans 5 to control the rotational speed of each variable speed fan 5. Simultaneously or independently with the control of the rotational speed of the variable speed fan 5, the computer 9 transmits a temperature control signal to the circulation thermostat 7 to control the temperature of the cooling medium in the circulation thermostat 7. As a result, air blowing from each variable speed fan 5 to the solar cell module 1 is controlled. Further, when the temperature of the cooling medium in the circulation thermostat 7 is controlled, the temperature-controlled cooling medium flows into the cooling pipe 6, radiates heat from the cooling fins 11, and is transmitted from the speed change fan 5 to the solar cell module 1. The air temperature is controlled. Therefore, the in-plane temperature of the solar cell module 1 necessary for the standard measurement of the solar cell module 1 can be easily set within a predetermined range.

図５（ａ）は、従来技術に係る太陽電池モジュールの温度制御システムにおける太陽電池モジュールのモジュール温度の変化を示す図、図５（ｂ）は、本実施形態に係る太陽電池モジュールの温度制御システムにおける太陽電池モジュールのモジュール温度の変化を示す図である。縦軸は太陽電池モジュールの１５箇所の温度測定点におけるモジュール温度の平均値、横軸は太陽電池モジュールを照射する光パルスの回数である。なお、上記の両システムにおいて性能測定用照射光はパルス光を用い、室温は２４℃に設定し、規定温度は２５℃に設定した。   FIG. 5A is a diagram showing changes in the module temperature of the solar cell module in the solar cell module temperature control system according to the prior art, and FIG. 5B is a temperature control system of the solar cell module according to the present embodiment. It is a figure which shows the change of the module temperature of the solar cell module. The vertical axis represents the average value of the module temperatures at the 15 temperature measurement points of the solar cell module, and the horizontal axis represents the number of light pulses that irradiate the solar cell module. In both the above systems, pulsed light was used as the performance measurement irradiation light, the room temperature was set at 24 ° C., and the specified temperature was set at 25 ° C.

図５（ａ）に示すように、従来技術に係る太陽電池モジュールの温度制御システムによれば、５点ごとに鋸歯状の温度変化が見られ、５回ずつ連続のパルス光照射による温度上昇と休止中の温度下降特性となった。それに対して、図５（ｂ）に示すように、本実施形態に係る太陽電池モジュールの温度制御システムによれば、太陽電池モジュール温度の平均値は、光パルスによる加熱の影響をほとんど受けず、規定値の２５℃からの温度のバラツキが、大きく改善されている。
以上のごとく、本実施形態に係る太陽電池モジュールの温度制御システムによれば、中心設定温度：２４℃〜２６℃（０．１℃刻み）の全域で、温度測定点数：１５点の全てにおいて、温度設定精度：中心設定温度±０．３℃以内となり、標準測定時の温度設定基準を十分満足する性能が得られた。 As shown in FIG. 5 (a), according to the temperature control system of the solar cell module according to the prior art, sawtooth-like temperature changes are observed every five points, and the temperature rise due to continuous pulsed light irradiation five times. It became a temperature drop characteristic during the rest. On the other hand, as shown in FIG. 5 (b), according to the temperature control system of the solar cell module according to the present embodiment, the average value of the solar cell module temperature is hardly affected by heating by the light pulse, The variation in temperature from the specified value of 25 ° C. is greatly improved.
As described above, according to the temperature control system of the solar cell module according to the present embodiment, the temperature is measured at all points of the center setting temperature: 24 ° C. to 26 ° C. (in increments of 0.1 ° C.): 15 points. Temperature setting accuracy: The center setting temperature was within ± 0.3 ° C, and the performance sufficiently satisfied the temperature setting standard at the time of standard measurement.

本発明の一実施形態に係る太陽電池モジュールの温度制御システムの概要を示す図である。It is a figure which shows the outline | summary of the temperature control system of the solar cell module which concerns on one Embodiment of this invention. 太陽電池モジュール１が配置された配置面の裏面に表面温度センサー３を収納し、表面温度センサー３に直接あたる冷却風の影響を遮断する断熱ブロック２の配置例を示す図である。It is a figure which shows the example of arrangement | positioning of the heat insulation block 2 which accommodates the surface temperature sensor 3 in the back surface of the arrangement | positioning surface where the solar cell module 1 is arrange | positioned, and interrupts | blocks the influence of the cooling wind which hits the surface temperature sensor 3 directly. 架台１０に装着された変速ファン５および冷却パイプ６の一部拡大図である。2 is a partially enlarged view of a transmission fan 5 and a cooling pipe 6 mounted on a gantry 10. FIG. 架台１０に装着された変速ファン５と冷却パイプ６の配置例を示す図である。FIG. 4 is a diagram illustrating an arrangement example of a transmission fan 5 and a cooling pipe 6 mounted on the gantry 10. 従来技術および本発明に係る太陽電池モジュールの温度制御システムにおける太陽電池モジュールのモジュール温度の変化を示す図である。It is a figure which shows the change of the module temperature of the solar cell module in the temperature control system of the solar cell module which concerns on a prior art and this invention. 従来技術に係る太陽電池モジュールの温度制御システムを示す図である。It is a figure which shows the temperature control system of the solar cell module which concerns on a prior art.

符号の説明Explanation of symbols

１ 太陽電池モジュール
２ 断熱ブロック
３ 表面温度センサー
４ 照射装置
５ 変速ファン
６ 冷却パイプ
７ 循環恒温槽
８ 室温測定装置
９ コンピュータ
１０ 架台
１１ 冷却フィン DESCRIPTION OF SYMBOLS 1 Solar cell module 2 Thermal insulation block 3 Surface temperature sensor 4 Irradiation device 5 Variable speed fan 6 Cooling pipe 7 Circulating thermostat 8 Room temperature measuring device 9 Computer 10 Mounting frame 11 Cooling fin

Claims (3)

性能測定用照射光により熱せられる太陽電池モジュールの温度制御システムにおいて、
太陽電池モジュールの配置面の背後において、それぞれ冷却風の直接の影響を受けないよう、断熱ブロック内に収納される複数の表面温度センサーを備え、該表面温度センサーに正対するよう、前記配置面と略平行な面に複数配置された前記太陽電池モジュールを冷却するための変速ファンと、該変速ファンの回転速度を制御する制御手段とからなり、前記表面温度センサーによって測定された測定温度に基づいて、前記変速ファンの回転速度を制御することを特徴とする太陽電池モジュールの温度制御システム。 In the temperature control system of the solar cell module heated by the irradiation light for performance measurement,
Oite behind the placement surface of the solar cell modules, so as not to directly affected each cooling air, comprising a plurality of surface temperature sensor is housed in the insulating block, as directly faces the surface temperature sensor, the arrangement A plurality of speed change fans for cooling the solar cell module arranged on a surface substantially parallel to the surface, and a control means for controlling the rotation speed of the speed change fan, the measured temperature measured by the surface temperature sensor Based on this, the temperature control system for the solar cell module controls the rotational speed of the variable speed fan. 前記制御手段は、前記変速ファンの背後に配置された冷却パイプと、該冷却パイプ内に冷却媒体を循環させる循環恒温槽とを備え、前記表面温度センサーによって測定された測定温度に基づいて、前記循環恒温槽内の冷却媒体の温度を制御することを特徴とする請求項１に記載の太陽電池モジュールの温度制御システム。   The control means includes a cooling pipe disposed behind the speed change fan, and a circulating thermostat for circulating a cooling medium in the cooling pipe, and based on the measured temperature measured by the surface temperature sensor, The temperature control system for a solar cell module according to claim 1, wherein the temperature of the cooling medium in the circulation thermostat is controlled. 前記冷却パイプは冷却フィンを備え、前記冷却パイプは前記変速ファンの配置面と略平行な面において任意に移動配置可能であると共に、前記冷却フィンの方向を任意の方向に設定可能であることを特徴とする請求項２に記載の太陽電池モジュールの温度制御システム。 The cooling pipe includes a cooling fin, and the cooling pipe can be arbitrarily moved and arranged on a surface substantially parallel to the arrangement surface of the transmission fan, and the direction of the cooling fin can be set to an arbitrary direction. The temperature control system for a solar cell module according to claim 2 , wherein the temperature control system is a solar cell module temperature control system.
JP2007315385A 2007-12-06 2007-12-06 Solar cell module temperature control system Expired - Fee Related JP5158774B2 (en)

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