WO2010093048A1 - Simulateur solaire de lumière parallèle - Google Patents

Simulateur solaire de lumière parallèle Download PDF

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Publication number
WO2010093048A1
WO2010093048A1 PCT/JP2010/052386 JP2010052386W WO2010093048A1 WO 2010093048 A1 WO2010093048 A1 WO 2010093048A1 JP 2010052386 W JP2010052386 W JP 2010052386W WO 2010093048 A1 WO2010093048 A1 WO 2010093048A1
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WIPO (PCT)
Prior art keywords
light
parallel
parabolic
mirror
solar simulator
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PCT/JP2010/052386
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English (en)
Japanese (ja)
Inventor
光博 下斗米
Original Assignee
日清紡ホールディングス株式会社
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Publication of WO2010093048A1 publication Critical patent/WO2010093048A1/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/08—Arrangements of light sources specially adapted for photometry standard sources, also using luminescent or radioactive material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/006—Solar simulators, e.g. for testing photovoltaic panels
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system
    • G02B17/06—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Definitions

  • the present invention relates to a parallel light solar simulator for irradiating a measured object of a solar cell (hereinafter, including a photovoltaic cell) with parallel sunlight, and measuring output characteristics of the measured object.
  • a parallel light solar simulator for irradiating a measured object of a solar cell (hereinafter, including a photovoltaic cell) with parallel sunlight, and measuring output characteristics of the measured object.
  • FIG. 11 is a diagram showing a configuration of a conventional parallel light solar simulator.
  • a parallel light solar simulator 80 shown in FIG. 11 includes a light source 81, an integrator lens 82, a first reflecting mirror 83, a second reflecting mirror 84, and a collimating lens 85. Further, the solar battery cell 86 to be measured is arranged below the collimating lens 85 so that the light receiving surface is parallel to the collimating lens 85.
  • the light emitted from the light source 81 is reflected by the first reflecting mirror 83 and applied to the integrator lens 82.
  • the light applied to the integrator lens 82 is condensed and the distribution of the light amount is made uniform, and passes through the integrator lens 82.
  • the light that has passed through the integrator lens 82 is reflected by the second reflecting mirror 84 and applied to the collimating lens 85.
  • the light applied to the collimating lens 85 passes through the collimating lens 85 as parallel light.
  • the parallel light that has passed through the collimating lens 85 is irradiated so as to be orthogonal to the light receiving surface of the solar battery cell 86. Therefore, according to the parallel light solar simulator 80 shown in FIG. 11, the output characteristics of the solar battery cell can be measured even for the solar battery cell 86 such as a concentrating solar battery.
  • the collimating lens 85 In order to increase the irradiation area of the parallel light solar simulator 80, the collimating lens 85 must be enlarged, which is not technically easy. Furthermore, even if the collimating lens 85 can be enlarged, it is necessary to increase the capacity of the lamp used for the light source 81 in order to irradiate a plurality of solar cells with a predetermined amount of light. However, when such a large-capacity lamp is used, heat generation becomes large, and it is impossible to obtain highly accurate parallel light due to thermal distortion of the optical system parts, or the optical system parts deteriorate early. There is. On the other hand, there is a conventional solar simulator as shown in FIG. 12 that measures the output characteristics of a plurality of solar cells at once or the output characteristics of a large-area solar cell.
  • FIG. 12 is a diagram showing a configuration of a conventional solar simulator.
  • a solar simulator 90 shown in FIG. 12 includes a casing 91, a light source 92, a reflecting mirror 93, and an integrator lens 94. Further, the large-area solar cell 95 to be measured is arranged away from the integrator lens 94 so that the light receiving surface is parallel to the integrator lens 94.
  • the solar cell 95 has a light receiving area S2 of 1 m ⁇ 1 m to 2 m ⁇ 2 m.
  • the distance T2 from the integrator lens 94 to the solar cell 95 is 4 m to 6 m.
  • the light emitted from the light source 92 disposed in the housing 91 is reflected by the reflecting mirror 93 and irradiated onto the integrator lens 94.
  • the light applied to the integrator lens 94 is condensed and the distribution of the amount of light is made uniform, and the light receiving surface of the solar cell 95 is irradiated.
  • the light that has passed through the integrator lens 94 is diffused in a fan shape and is applied to the light receiving surface of the solar cell 95. Therefore, although light orthogonal to the light receiving surface is irradiated at the center of the light receiving surface of the solar cell 95, light that is not orthogonal to the light receiving surface is irradiated toward the periphery of the light receiving surface.
  • the angle D2 is shifted by 5 to 14 degrees with respect to the angle orthogonal to the light receiving surface. That is, in the conventional solar simulator 90, since it is not possible to irradiate parallel light, measurement of the output characteristics of a solar battery cell whose output characteristics change greatly depending on the light incident angle of a concentrating solar battery or the like. There is a problem that cannot be used.
  • the present invention has been made in view of the above-described problems. For example, when measuring the output characteristics of solar cells whose output characteristics vary greatly depending on the light incident angle, the present invention is easily increased. An object is to enable irradiation with parallel light with high accuracy. Moreover, it aims at enabling it to measure the output characteristic of a several photovoltaic cell at once.
  • a parallel light solar simulator of the present invention is a parallel light solar simulator for irradiating a measurement object with parallel light and measuring its output characteristics, and is orthogonal to the light receiving surface of the measurement object.
  • a parabolic mirror having an axis parallel to the axis as a main axis, and a light source disposed apart from the focal point so as to be at a position equivalent to the focal point of the parabolic mirror.
  • the parallel light solar simulator of the present invention is a parallel light solar simulator for irradiating the object to be measured with parallel light and measuring its output characteristics, and an axis parallel to the axis orthogonal to the light receiving surface of the object to be measured.
  • a plurality of measurement units each including a parabolic mirror having a main axis as a main axis, and a light source disposed at a distance from the focal point so as to be at a position equivalent to a focal point of the parabolic mirror.
  • the parabolic mirror is arranged such that the optical axes of the light reflected by the parabolic mirror are parallel to each other.
  • At least two of the parabolic mirrors of the plurality of measurement units can be configured by arranging the paraboloids of the parabolic mirrors in parallel with no gap therebetween.
  • At least two of the parabolic mirrors of the plurality of measurement units may be configured by arranging the paraboloids of the parabolic mirrors so as to be opposed to each other without any gap.
  • a plurality of light quantity sensors that respectively detect the amount of light reflected by the parabolic mirrors of the plurality of measurement units, and a light source emission that controls the light emission of the light source based on the light quantities detected by the plurality of light quantity sensors.
  • a device The first reflection mirror and the second reflection mirror arranged on the optical path from the light source to the parabolic mirror, and the light reflected by the first reflection mirror is condensed to the second reflection.
  • An integrator lens for irradiating a mirror, and the integrator lens, the first reflecting mirror, and the second reflecting mirror are arranged so that the light source is at a position equivalent to the focal point of the parabolic mirror.
  • a measuring table for mounting the object to be measured; and a measuring table tilting and rotating device for arbitrarily tilting and rotating the measuring table with respect to the optical axis reflected by the parabolic surface of the parabolic mirror. Can be configured.
  • the highly accurate parallel light orthogonal to a light-receiving surface can be easily irradiated with respect to the light-receiving surface of a photovoltaic cell.
  • a parabolic mirror whose main axis is an axis parallel to the axis perpendicular to the light receiving surface of the object to be measured, and a light source arranged away from the focal point so as to be at a position equivalent to the focal point of the parabolic mirror And have.
  • the light emitted from the light source arranged at a position equivalent to the focal point of the parabolic mirror is reflected by the parabolic mirror, so that highly accurate parallel light is applied to the solar cell as the object to be measured.
  • a parabolic mirror whose main axis is an axis parallel to the axis perpendicular to the light receiving surface of the object to be measured, and a light source arranged away from the focal point so as to be at a position equivalent to the focal point of the parabolic mirror
  • the parabolic mirrors of the plurality of measurement units are arranged so that the optical axes of the light reflected by the parabolic mirrors are parallel to each other.
  • the light receiving surfaces of a plurality of solar cells are irradiated with parallel light at once or parallel to the light receiving surfaces of a large area solar cell. It can be irradiated with light. Therefore, the inspection cost can be reduced.
  • at least two of the parabolic mirrors of the plurality of measurement units are arranged such that the paraboloids of the respective parabolic mirrors are arranged in parallel without any gap, or at least two of the parabolic mirrors of the plurality of measurement units. Makes the paraboloids of each parabolic mirror reciprocate without gaps. In this case, parallel light can be irradiated over a wide range with a simple configuration.
  • a plurality of light quantity sensors that respectively detect the amount of light reflected by the parabolic mirrors of the plurality of measurement units, and a light source emission that controls light emission of the light source based on the light quantities detected by the plurality of light quantity sensors Device.
  • the light quantity of the parallel light irradiated over a wide range can be made uniform.
  • a first reflecting mirror and a second reflecting mirror disposed on the optical path from the light source to the parabolic mirror, and the light reflected by the first reflecting mirror is condensed to the second reflecting mirror.
  • the integrator lens, the first reflecting mirror, and the second reflecting mirror are arranged so that the light source is located at a position equivalent to the focal point of the parabolic mirror.
  • the light source since the light source does not need to be arranged at the focal point of the parabolic mirror, the arrangement of the components of the parallel light solar simulator can be freely changed.
  • the light source by disposing the light source so as to be separated from the optical system component, it is possible to eliminate thermal distortion of the optical system component due to heat generation of the light source.
  • it has a measurement table on which the object to be measured is placed, and a measurement table tilt rotation device that tilts and rotates the measurement table with respect to the optical axis reflected by the parabolic surface of the parabolic mirror.
  • the measuring table tilting and rotating device tilts and rotates the measuring table, for example, it is possible to reproduce the light incident angle with respect to the measured object of sunlight for one day until the sun rises and sinks. It is possible to measure the output characteristics of the solar cells for one day.
  • FIG. 1 is a diagram illustrating a configuration of a parallel light solar simulator according to the first embodiment.
  • FIG. 2 is a diagram for explaining a form of a parabolic mirror.
  • FIG. 3 is a diagram illustrating a configuration of a parallel light solar simulator according to the second embodiment.
  • FIG. 4 is a block diagram illustrating a configuration of the light source light emitting device.
  • FIG. 5 is a diagram for explaining the first light shielding function.
  • FIG. 6 is a diagram for explaining the second light shielding function.
  • FIG. 7 is a diagram illustrating a configuration of a parallel light solar simulator according to the third embodiment.
  • FIG. 8 is a diagram illustrating a configuration of a parallel light solar simulator according to the fourth embodiment.
  • FIG. 1 is a diagram illustrating a configuration of a parallel light solar simulator according to the first embodiment.
  • FIG. 2 is a diagram for explaining a form of a parabolic mirror.
  • FIG. 3 is a diagram illustrating a configuration of a
  • FIG. 9 is a conceptual diagram for explaining the change in the light incident angle of sunlight with respect to the solar cell.
  • FIG. 10 is a diagram illustrating a configuration of a parallel light solar simulator according to the fifth embodiment.
  • FIG. 11 is a diagram showing a configuration of a conventional parallel light solar simulator.
  • FIG. 12 is a diagram showing a configuration of a solar simulator corresponding to a conventional large-area solar cell.
  • FIG. 13 is a perspective view showing a part of a concentrating solar cell using a Fresnel lens.
  • FIG. 14 is a diagram showing a part of a spherical silicon solar cell.
  • FIG. 13 is a perspective view showing a part of the concentrating solar cell.
  • the concentrating solar cell 100 includes a Fresnel lens 101 and a solar battery cell 103, and the lens surface 102 of the Fresnel lens 101 and the light receiving surface 104 of the solar battery cell 103 are separated by a predetermined distance so that they are parallel to each other. It is configured. Further, the area of the lens surface 102 of the Fresnel lens 101 is about 500 times the light receiving area of the light receiving surface 104 of the solar battery cell 103.
  • FIG. 14A is a perspective view showing a part of a spherical silicon solar cell.
  • the spherical silicon solar cell 110 includes a reflecting mirror 111 whose inner periphery is formed in a hemispherical shape, and a spherical silicon 112 fixed at the center of the inside of the reflecting mirror 111.
  • the light parallel to the central axis L of the spherical silicon 112 and the reflecting mirror 111 as shown in FIGS. 14A and 14B is not only directly irradiated to the spherical silicon 112 but also to the reflecting mirror 111.
  • the conversion efficiency of the spherical silicon solar cell 110 is improved.
  • the light irradiated to the reflecting mirror 111 cannot be condensed on the spherical silicon 112, and the output characteristics of the spherical silicon 112 Will be very different.
  • the solar cells having output characteristics greatly different from the light incident angle are collectively referred to as a concentrating solar cell below.
  • FIG. 1 is a diagram showing a configuration of a parallel light solar simulator.
  • the parallel light solar simulator 10 includes a light source 11, an integrator lens 12, a first reflecting mirror 13, a second reflecting mirror 14, a parabolic mirror 15, and a measurement table 31.
  • the light source 11 is a xenon lamp, for example, and emits simulated sunlight.
  • the light source 11 is provided with an elliptically concave reflecting mirror 19 so as to surround the lower part of the light source 11.
  • the first reflecting mirror 13 is formed in a flat plate shape and is disposed at a position for reflecting the light emitted from the light source 11 toward the integrator lens 12.
  • the integrator lens 12 collects the light reflected by the first reflecting mirror 13, makes the light quantity distribution uniform, and irradiates the parabolic mirror 15 through the second reflecting mirror 14. it can.
  • the second reflecting mirror 14 is formed in a flat plate shape, and is disposed at a position where the light irradiated from the integrator lens 12 is reflected toward the parabolic mirror 15.
  • the parabolic mirror 15 converts the light reflected by the second reflecting mirror 14 into highly accurate parallel light so that the concentrating solar cell 17 to be measured is disposed below the parabolic mirror 15.
  • the light receiving surface 18 is irradiated.
  • the parabolic mirror 15 is formed, for example, by processing aluminum or an aluminum alloy with a machining center. Further, the paraboloid 16 of the paraboloid mirror 15 is mirror-finished to improve the light reflectance.
  • the form of the parabolic mirror used in the present embodiment will be described with reference to FIG. FIG.
  • FIG. 2 is a diagram for explaining a form of a parabolic mirror.
  • FIG. 2 shows parabolas C1 and C2 on the same paraboloid in the XZ plane and the YZ plane, respectively.
  • a paraboloid rotation paraboloid
  • the shape obtained by cutting out a part S of the paraboloid formed at this time is the same as the shape of the paraboloid 16 of the parabolic mirror 15 in FIG.
  • the reflected light becomes a parallel light.
  • the first reflecting mirror 13, the second reflecting mirror 14, and the second reflecting mirror 14 are arranged on the optical path from the light source 11 to the parabolic mirror 15 so that the light source 11 is at a position equivalent to the focal point of the parabolic mirror 15.
  • An integrator lens 12 is disposed.
  • the light receiving surface 18 of the concentrating solar cell 17 is parallel to a virtual line Lq orthogonal to the principal axis Lp of the parabolic surface 16 passing through the focal point F of the parabolic mirror 15.
  • the concentrating solar cell 17 is disposed on the measurement table 31. At this time, the axis orthogonal to the light receiving surface 18 of the concentrating solar cell 17 and the main axis Lp of the paraboloid 16 are parallel.
  • the light reflected by the parabolic mirror 15 becomes highly accurate parallel light and is received by the concentrating solar cell 17. Irradiated perpendicular to the surface 18. Therefore, even if the measurement target is a concentrating solar cell that depends on the light incident angle, accurate output characteristics can be measured.
  • the light source 11 is located at a position equivalent to the focal point F of the paraboloid 16 of the parabolic mirror 15 and spaced from the focal point F. Specifically, the light source 11 is disposed at a position equivalent to the focal point of the parabolic mirror 15 by using the integrator lens 12, the first reflecting mirror 13, and the second reflecting mirror 14.
  • the light source 11 is not limited to the case where the light source 11 is disposed at the focal point F. Therefore, the degree of freedom in designing the parallel light solar simulator 10 can be expanded without being limited by the arrangement of the light source 11. Further, when the light source 11 is disposed at the position of the focal point F, it is possible to prevent the light source 11 from interfering with the position where the concentrating solar cell 17 is disposed. Furthermore, by disposing the light source 11 away from the optical system component and the like, it is possible to prevent adverse effects such as thermal distortion and early deterioration on the optical system component due to the heat generated by the light source 11, so that more accurate parallel light can be generated. Irradiation can be continued.
  • the integrator lens 12, the first reflecting mirror 13, and the second reflecting mirror 14 are used to place the light source 11 at a position equivalent to the focal point of the parabolic mirror 15.
  • the present invention is not limited to this case. That is, for example, the number of the reflecting mirrors may be one or three or more, and the integrator lens 12 may be omitted as long as light with a uniform light amount distribution can be obtained from the light source.
  • the light source 11 may have any configuration as long as the light source 11 is disposed at a position equivalent to the focal point of the parabolic mirror 15. Such a configuration is the same in the embodiments described below.
  • FIG. Fig.3 (a) is a top view which shows arrangement
  • FIG.3 (b) is the front view which looked at the arrangement
  • the parallel light solar simulator 20 according to the present embodiment is configured by combining the first measurement unit 10a and the second measurement unit 10b when the parallel light solar simulator 10 of the first embodiment is a single measurement unit. Yes.
  • the 1st measurement unit 10a and the 2nd measurement unit 10b are the structures which respectively added the light quantity sensor to the structure of the parallel light solar simulator 10 of 1st Embodiment.
  • the first measurement unit 10a and the second measurement unit 10b include the light source 11, the integrator lens 12, the first reflecting mirror 13, the second reflecting mirror 14, the parabolic mirror 15, the measurement table 31, and the light quantity sensor 28, respectively. It is comprised including.
  • the light amount sensor 28 is a sensor for detecting the amount of light irradiated on the measurement table 31, and its operation will be described later.
  • the measurement table 31 is common to the first measurement unit and the second measurement unit, and may be one.
  • the parabolic mirror 15 is the same shape in the 1st measurement unit 10a and the 2nd measurement unit 10b. Further, the arrangement of the light source 11, the integrator lens 12, the first reflecting mirror 13 and the second reflecting mirror 14 of each measurement unit 10 is the same.
  • FIG. 3A shows only the parabolic mirror 15 (15a) of the first measurement unit 10a and the parabolic mirror 15 (15b) of the second measurement unit 10b.
  • the second measurement unit 10b is not shown because it is located on the back surface (front side when viewed in the direction perpendicular to the paper) overlapping the first measurement unit 10a.
  • the 1st measurement unit 10a and the 2nd measurement unit 10b are arrange
  • the parabolic mirror 15a of the first measurement unit 10a and the parabolic mirror 15b of the second measurement unit 10b are arranged in parallel so that there is no gap. Adjacent to each other.
  • the parabolic mirrors 15a and 15b the optical axes of the lights reflected by the parabolic mirrors 15a and 15b are all parallel. That is, for example, as shown in FIG. 3A, when the size t ⁇ t of one parabolic mirror when the parabolic mirror is viewed in a plane is 800 mm ⁇ 800 mm, the parallel light solar simulator is used.
  • the whole 20 can be expanded to an irradiation area of 800 mm ⁇ 1600 mm.
  • the output characteristics of a large area solar cell such as 700 mm ⁇ 1400 mm can be measured, or the output characteristics of a plurality of solar cells can be measured at a time.
  • the light quantity sensor 28 will be described with reference to FIG.
  • the light quantity sensor 28a of the first measurement unit 10a will be taken up and described.
  • the light quantity sensor 28a is disposed on the measurement table 31 that is irradiated after the light emitted from the light source 11 of the first measurement unit 10a is reflected by the parabolic mirror 15a. That is, the light quantity sensor 28a detects the light quantity reflected by the parabolic mirror 15a and applied to the measurement table 31.
  • the light amount sensor 28b of the second measurement unit 10b (not shown) detects the amount of light reflected by the parabolic mirror 15b and applied to the measurement table 31.
  • the light source light emitting device will be described with reference to FIG. FIG.
  • the light source light emitting device 21 includes a lamp light emission power supply circuit 22, a trigger power supply circuit 23, and current control circuits 27 (27a) and 27 (27b).
  • the lamp light emission power circuit 22 is a power circuit for causing the xenon lamps 11a and 11b to emit light.
  • one lamp light-emitting power supply circuit 22 is configured to emit a plurality of xenon lamps 11a and 11b.
  • the trigger power supply circuit 23 includes a trigger pulse generation circuit 24 and a transformer 25.
  • the trigger power supply circuit 23 causes the trigger pulse generation circuit 24 to generate a trigger pulse for performing dielectric breakdown of the xenon lamps 11 a and 11 b on the secondary side of the transformer 25.
  • the trigger pulse generated on the secondary side of the transformer 25 is configured to be capable of dielectric breakdown with respect to the plurality of xenon lamps 11 a and 11 b.
  • the current control circuits 27a and 27b are connected to the light quantity sensors 28a and 28b and the xenon lamps 11a and 11b.
  • the current control circuits 27a and 27b are arranged so that the light quantities detected by the light quantity sensors 28a and 28b are uniform. Control light emission.
  • the operation of the light source light emitting device 21 will be described.
  • the trigger pulse generation circuit 24 of the trigger power supply circuit 23 receives the light emission start instruction signal 26.
  • the trigger pulse generation circuit 24 applies a trigger pulse to the xenon lamps 11a and 11b from the secondary side of the transformer 25. This trigger pulse destroys the electrical insulation state in each xenon lamp 11a, 11b.
  • the lamp light emission power supply circuit 22 applies a discharge standby voltage to the xenon lamps 11a and 11b.
  • a main discharge is induced inside each xenon lamp 11a, 11b, and the in-tube resistance of each xenon lamp 11a, 11b rapidly decreases, and is determined by the combination of the coil and the capacitor of the lamp light emission power circuit 22.
  • each xenon lamp 11a, 11b emits light.
  • the light emitted by the xenon lamps 11a and 11b is reflected by the parabolic mirrors 15a and 15b and applied to the light quantity sensors 28a and 28b of the measurement table 31.
  • the current control circuits 27a and 27b based on the signals detected by the light quantity sensors 28a and 28b, respectively, each xenon lamp 11a, so that the light quantity detected by the light quantity sensors 28a and 28b becomes uniform.
  • the light emission of 11b is controlled.
  • a uniform and uniform light quantity is obtained for all the solar cells and all the light receiving surfaces of the solar cells. Can be irradiated.
  • the light source light-emitting device 21 of this embodiment demonstrated the case where the xenon lamp 11 was two, it is a case where two or more xenon lamps 11 are added like 3rd and 4th embodiment mentioned later.
  • the light source light emitting device 21 may be configured to branch the discharge standby voltage from the lamp light emission power supply circuit 22 and the trigger pulse from the trigger power supply circuit 23 to the added xenon lamp.
  • a current control circuit 27 for controlling the light emission of the added xenon lamp is added to correspond to the added xenon lamp.
  • a light amount sensor 28 for detecting the light amount of the light emitted from the added xenon lamp and reflected by the reflecting mirror is added.
  • one lamp emission power supply circuit 22 is configured to emit a plurality of xenon lamps 11.
  • the present invention is not limited to this, and lamp emission is performed for each xenon lamp 11.
  • a power supply circuit 22 may be provided.
  • one trigger power supply circuit 23 is configured to perform dielectric breakdown of the plurality of xenon lamps 11.
  • the present invention is not limited to this, and the trigger power supply circuit is provided for each xenon lamp 11. 23 may be provided.
  • the light source light emitting device 21 shown in FIG. 4 the case where the light emission of the xenon lamp 11 is controlled by the current control circuit 27 has been described.
  • the present invention is not limited to this, and the light emission of the xenon lamp 11 is controlled by the voltage control circuit. Also good.
  • the light reflected by the second reflecting mirror 14 of the first measuring unit 10a is parabolic mirror 15 (15b) of the second measuring unit 10b. May also be irradiated.
  • the light reflected by the second reflecting mirror 14 of the second measurement unit 10b may be irradiated to the parabolic mirror 15 (15a) of the first measurement unit 10a.
  • the first measurement unit 10a and the second measurement unit 10b irradiate the object to be measured with light with uneven light quantity.
  • FIG. 5 is a diagram for explaining the first light shielding function.
  • FIG. 5A is a perspective view of a part of the parallel light solar simulator 20 having a light blocking function.
  • FIG. 5B is a diagram in which a light blocking function is added to the parallel light solar simulator 20 of FIG. 3B described above.
  • symbol is attached
  • each of the first measurement unit 10a and the second measurement unit 10b includes a second reflector 14a, 14b and a parabolic mirror 15a, 15b.
  • the light shielding members 70a and 70b are disposed on the surface. In FIG. 5B, the light shielding member 70b is not shown because it is located on the back surface (front side as viewed in the direction perpendicular to the paper surface) overlapping the light shielding member 70a.
  • the light shielding members 70 a and 70 b have a flat plate shape and are formed of a rectangular window 71 and a frame 72 around the window 71.
  • the light shielding member 70a is shielded by the frame 72 so that the light reflected by the second reflecting mirror 14a is irradiated only on the parabolic mirror 15a and not on the parabolic mirror 15b.
  • the light shielding member 70b is shielded by the frame 72 so that only the parabolic mirror 15b is irradiated with the light reflected by the second reflecting mirror 14b and not the parabolic mirror 15a.
  • FIG. 6 is a diagram for explaining the second light shielding function.
  • FIG. 6A is a perspective view of a part of the parallel light solar simulator 20 having a light blocking function.
  • FIG. 6B is a diagram in which a light blocking function is added to the parallel light solar simulator 20 of FIG. 3B described above.
  • the parallel light solar simulator 20 includes a parabolic mirror 15a of the first measurement unit 10a and a parabolic mirror 15b of the second measurement unit 10b.
  • a thin plate-shaped light shielding member 73 is disposed.
  • the light shielding member 73 shields the light reflected by the second reflecting mirror 14a so as to irradiate only the parabolic mirror 15a and not the parabolic mirror 15b. Similarly, the light shielding member 73 shields the light reflected by the second reflecting mirror 14b so as to irradiate only the parabolic mirror 15b and not the parabolic mirror 15a. Thus, since the light shielding member 73 irradiates only the parabolic mirror 15 of each measurement unit 10 with the light emitted from the light source 11 of each measurement unit 10, the measurement unit 10 applies the light to the object to be measured. It is possible to irradiate light with no unevenness in the amount of light.
  • the paraboloids of at least two parabolic mirrors are arranged in parallel and adjacent to each other among the plurality of measurement units, highly accurate parallel light is irradiated over a wide range. be able to. Therefore, it is possible to measure a plurality of output characteristics of solar cells of a concentrating solar cell whose measurement object depends on the light incident angle, or to measure the output characteristics of a large area solar cell. .
  • FIG. Fig.7 (a) is a top view which shows arrangement
  • FIG.7 (b) is the front view which looked at the arrangement
  • the parallel light solar simulator 30 according to the present embodiment is configured by combining the first measurement unit 10a to the fourth measurement unit 10d when the parallel light solar simulator 10 of the first embodiment is used as one measurement unit. .
  • each of the first measurement unit 10a to the fourth measurement unit 10d has a configuration in which a light amount sensor is added to the configuration of the parallel light solar simulator 10 of the first embodiment.
  • the first measurement unit 10a to the fourth measurement unit 10d include the light source 11, the integrator lens 12, the first reflecting mirror 13, the second reflecting mirror 14, the parabolic mirror 15, the measurement table 31, and the light quantity sensor 28, respectively. It is comprised including. Further, the first measurement unit 10a to the fourth measurement unit 10d have the same parabolic mirror 15 shape. Further, the arrangement of the light source 11, the integrator lens 12, the first reflecting mirror 13 and the second reflecting mirror 14 of each measurement unit 10 is the same. In addition, the integrator lens 12, the first reflecting mirror 13, and the second reflecting mirror 14 are arranged so that the light source 11 is at a position equivalent to the focal point of the parabolic surface of the parabolic mirror 15. In FIG.
  • the second measurement unit 10b and the fourth measurement unit 10d are positioned on the back surface (front side when viewed in the direction perpendicular to the paper surface) where they overlap with the first measurement unit 10a and the third measurement unit 10c, respectively. Therefore, it is not shown in the figure.
  • the measurement table 31 may be common to all the measurement units, or may be one.
  • the 1st measurement unit 10a and the 2nd measurement unit 10b are the same arrangement
  • the parabolic mirrors 15 of the third measurement unit 10c and the fourth measurement unit 10d are arranged so as to be adjacent to each other with respect to the first measurement unit 10a and the second measurement unit 10b.
  • the parabolic mirrors 15a to 15d are arranged so that the directions of the main axes of the paraboloids coincide. That is, the parabolic mirrors 15 of the third measurement unit 10c and the fourth measurement unit 10d, and the first measurement unit 10a and the second measurement unit 10b are opposite to each other as shown in FIG.
  • the parabolic mirrors 15a to 15d are arranged adjacent to each other so that there is no gap.
  • the optical axes of the lights reflected by the parabolic mirrors 15a to 15d are all parallel. That is, for example, as shown in FIG. 7A, when the size t ⁇ t of one parabolic mirror when the parabolic mirror is viewed in a plane is 800 mm ⁇ 800 mm, a parallel light solar simulator is used.
  • the entire 30 can be expanded to an irradiation area of 1600 mm ⁇ 1600 mm. Therefore, for example, output characteristics of a large area solar cell such as 1400 mm ⁇ 1400 mm can be measured, or output characteristics of a plurality of solar cells can be measured at a time.
  • the paraboloids of at least two paraboloidal mirrors of the plurality of measurement units are adjacent to each other so as to be opposite to each other, and therefore, highly accurate parallel light is irradiated over a wide range. be able to.
  • the current control circuit of the light source light-emitting device uses the light amount detected by each light amount sensor 28 based on the signal detected by each light amount sensor 28.
  • the light emission of each xenon lamp 11 is controlled so as to be uniform. Accordingly, it is possible to irradiate all the solar cells or the large area solar cells with the same amount of light without unevenness.
  • only two measurement units (or the second measurement unit 10b and the fourth measurement unit 10d) of the first measurement unit 10a and the third measurement unit 10c are shown in FIG. Thus, it can also be set as the arrangement
  • FIG. Fig.8 (a) is a top view which shows arrangement
  • FIG.8 (b) is the front view which looked at the arrangement
  • the parallel light solar simulator 40 according to the present embodiment is configured by combining the first measurement unit 10a to the sixth measurement unit 10f when the parallel light solar simulator 10 of the first embodiment is used as one measurement unit. .
  • the first measurement unit 10a to the fourth measurement unit 10d have the same configuration and the same arrangement as the parallel light solar simulator 30 of the third embodiment described above.
  • the 5th measurement unit 10e and the 6th measurement unit 10f are arrange
  • FIG. 8A only the parabolic mirror 15 (15a) of the first measurement unit 10a to the parabolic mirror 15 (15f) of the sixth measurement unit 10f are illustrated.
  • the second measurement unit 10b and the fifth measurement unit 10e are illustrated because they are located on the back surface (front side when viewed in the direction perpendicular to the paper surface) overlapping the first measurement unit 10a. Not.
  • the fourth measurement unit 10d and the sixth measurement unit 10f are not shown because they are located on the back surface (front side when viewed in the direction perpendicular to the paper surface) overlapping the third measurement unit 10c.
  • the configurations of the added fifth measurement unit 10e and the sixth measurement unit 10f are the same as the configurations of the first measurement unit 10a to the fourth measurement unit 10d.
  • the measurement table 31 may be common to all the measurement units, and may be one. Thus, by arranging the parabolic mirrors 15a to 15f, the optical axes of the lights reflected by the parabolic mirrors 15a to 15f are all parallel. That is, for example, as shown in FIG.
  • the parallel light solar simulator when the size t ⁇ t of one parabolic mirror is 800 mm ⁇ 800 mm when the parabolic mirror is viewed in a plane, the parallel light solar simulator is used.
  • the entire 40 can be enlarged to an irradiation area of 1600 mm ⁇ 2400 mm. Therefore, for example, the output characteristics of a large area solar cell such as 1400 mm ⁇ 2200 mm can be measured, or the output characteristics of a plurality of solar cells can be measured at a time.
  • the current control circuit of the light source light-emitting device uses the light amount detected by each light amount sensor 28 based on the signal detected by each light amount sensor 28.
  • the light emission of each xenon lamp 11 is controlled so as to be uniform. Accordingly, it is possible to irradiate all the solar cells or the large area solar cells with the same amount of light without unevenness.
  • the arrangement of the parabolic mirror 15 described above is not limited to the arrangement described in the second to fourth embodiments described above. That is, the position and number of measurement units can be appropriately changed according to the number of solar cells whose output characteristics are desired to be measured at once or the size of a large-area solar cell.
  • FIG. 9 is a conceptual diagram for explaining the change in the light incident angle of sunlight with respect to the solar cell.
  • the light irradiated from sunlight is highly accurate parallel light.
  • the morning (sunrise) sun 51 is irradiated to the light receiving surface of the solar cell 50 at a light incident angle ⁇ ⁇ b> 1.
  • the daytime sun 52 is applied to the light receiving surface of the solar cell 50 at a light incident angle ⁇ 2.
  • the evening (sunset) sun 53 is applied to the light receiving surface of the solar cell 50 at a light incident angle ⁇ 3.
  • FIG. 10 is a diagram showing a configuration of the parallel light solar simulator according to the present embodiment.
  • the parallel light solar simulator 60 of the present embodiment is obtained by adding a measurement table tilt rotation device 61 that tilts and rotates the measurement table 31 to the parallel light solar simulator of any of the first to fourth embodiments described above. It is configured.
  • the axis orthogonal to the surface of the measuring table 31 is defined as the Q axis.
  • An axis parallel to the surface of the table 31 is defined as a P axis and an axis orthogonal to the P axis is defined as an R axis.
  • the measuring table tilting and rotating device 61 has a turning shaft 62 that can turn the measuring table 31 at an arbitrary angle around the Q axis.
  • the measuring table tilting / rotating device 61 has a drive shaft 63 that can tilt the measuring table 31 at an arbitrary angle around the R axis. That is, the measuring table tilting and rotating device 61 can arbitrarily tilt and rotate the measuring table 31 with respect to the optical axis reflected by the parabolic mirror 15. Therefore, the measuring table tilting / rotating device 61 has, for example, the swivel shaft 62 and the rotating shaft 62 so as to coincide with the daylight incident angle of sunlight or the daylight incident angle according to the season as described in FIG.
  • the measuring table 31 By driving the drive shaft 63, the measuring table 31 can be tilted and rotated.
  • the parallel light solar simulator 60 is placed on the measurement table 31 by the measurement table tilting and rotating device 61 tilting and rotating the measurement table 31 to an angle corresponding to the incident angle of sunlight over time. It is possible to measure the output characteristics of a solar cell for a day, the output characteristics for a year, and the like. Therefore, for example, the daily power generation amount or the annual power generation amount of the solar cell can be repeatedly measured under certain conditions. Note that the spectrum and amount of sunlight change from day to day.
  • the parallel light solar simulator 60 tilts the angle of the measurement table 31 according to the light incident angle of sunlight, changes the filter to change the spectrum irradiated to the solar cell, and increases or decreases the intensity of the light source.
  • the measurement evaluation may be performed by changing the amount of light applied to the solar cell.
  • the parallel light solar simulators of the first to fifth embodiments described above have been described only for measuring the output characteristics of a solar cell such as a concentrating solar cell, but are not limited to this case. . That is, it can be used even when measuring the output characteristics of a normal solar cell that does not depend on the light incident angle.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Photovoltaic Devices (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

L'invention concerne un simulateur solaire de lumière parallèle capable d'irradier aisément une lumière parallèle de grande précision. Ce simulateur solaire (10) de lumière parallèle irradie une lumière parallèle sur une cellule solaire et mesure les propriétés de sortie de celle-ci. IL possède d'une part un miroir parabolique (15) ayant pour axe principal un axe (Lp) parallèle à un axe orthogonal à une surface de réception de lumière (18) d'une cellule solaire (17); et d'autre part une source de lumière (11) disposée à distance d'un foyer (F) de sorte à se trouver à un emplacement équivalent à un foyer (F) d'un miroir parabolique (15). Une lumière irradiée par une source de lumière (11) disposée à un emplacement équivalent à un foyer (F) est réfléchie par un miroir parabolique (15), devient une lumière parallèle de grande précision et est irradiée sur une surface de réception de lumière (18) d'une cellule solaire (17).
PCT/JP2010/052386 2009-02-12 2010-02-10 Simulateur solaire de lumière parallèle WO2010093048A1 (fr)

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JP2013164918A (ja) * 2012-02-09 2013-08-22 Mitsubishi Electric Corp ソーラシミュレータ
CN103592757A (zh) * 2013-10-24 2014-02-19 中国电子科技集团公司第四十一研究所 一种宽波段离轴反射式长焦/无焦双通道望远系统
US20140133125A1 (en) * 2012-11-14 2014-05-15 Universita' Degli Studi Dell' Insubria Artificial lighting system for simulating a natural lighting
EP2708807A3 (fr) * 2012-09-13 2016-02-17 All Real Technology Co., Ltd. Appareil pour simuler la lumière solaire
CN105822957A (zh) * 2016-05-20 2016-08-03 北华航天工业学院 一种360度向心扫描式太阳模拟器
CN109520713A (zh) * 2018-12-27 2019-03-26 北京航天长征飞行器研究所 用于空间目标光学特性试验的真空容器
CN109696301A (zh) * 2018-12-27 2019-04-30 北京航天长征飞行器研究所 空间目标多维度动态光学特性地面试验系统及方法
CN115095818A (zh) * 2022-07-15 2022-09-23 北京环境特性研究所 一种远距离辐照太阳模拟器系统

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EP2532947A1 (fr) * 2011-06-07 2012-12-12 ADLER Solar Services GmbH Dispositif de test pour la mesure de fonction d'un module solaire, et véhicule de test
JP2013164918A (ja) * 2012-02-09 2013-08-22 Mitsubishi Electric Corp ソーラシミュレータ
EP2708807A3 (fr) * 2012-09-13 2016-02-17 All Real Technology Co., Ltd. Appareil pour simuler la lumière solaire
US20160281960A1 (en) * 2012-11-14 2016-09-29 Coelux S.R.L. Artificial lighting system for simulating a natural lighting
US20140133125A1 (en) * 2012-11-14 2014-05-15 Universita' Degli Studi Dell' Insubria Artificial lighting system for simulating a natural lighting
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US10775021B2 (en) * 2012-11-14 2020-09-15 Coelux S.R.L. Artificial lighting system for simulating a natural lighting
CN103592757A (zh) * 2013-10-24 2014-02-19 中国电子科技集团公司第四十一研究所 一种宽波段离轴反射式长焦/无焦双通道望远系统
CN105822957A (zh) * 2016-05-20 2016-08-03 北华航天工业学院 一种360度向心扫描式太阳模拟器
CN109520713A (zh) * 2018-12-27 2019-03-26 北京航天长征飞行器研究所 用于空间目标光学特性试验的真空容器
CN109696301A (zh) * 2018-12-27 2019-04-30 北京航天长征飞行器研究所 空间目标多维度动态光学特性地面试验系统及方法
CN109696301B (zh) * 2018-12-27 2019-07-30 北京航天长征飞行器研究所 空间目标多维度动态光学特性地面试验系统及方法
CN109520713B (zh) * 2018-12-27 2019-11-08 北京航天长征飞行器研究所 用于空间目标光学特性试验的真空容器
CN115095818A (zh) * 2022-07-15 2022-09-23 北京环境特性研究所 一种远距离辐照太阳模拟器系统
CN115095818B (zh) * 2022-07-15 2023-11-24 北京环境特性研究所 一种远距离辐照太阳模拟器系统

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