JP2011002399A - Environmental test device of solar panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an environmental test device of a solar panel capable of effectively performing an environmental test which is applicable to the real environmental condition such as a storm test.SOLUTION: The environmental test device includes a wind direction change driver A for changing the wind direction by rocking an air blower 12 around a horizontal axis H1, the air blower 12 being rockably supported around the horizontal axis H1 which passes through near the center of the surface of the solar panel SP supported by a panel supporting member 11, and a wind receiving member C facing the air blower 12 by placing the panel SP inbetween. Since the air blower 12 rocks around the horizontal axis H1, the wind discharged from an outlet opening 12B can be maintained in the condition facing the panel SP. Thereby, the storm test can be performed by easily setting the direction of the wind discharged from the air blower 12 toward the panel SP with the wind direction change driver A in accordance with the environment in which the panel SP is actually used in the condition of the panel SP being fixed to the panel supporting member 11 by a mounting member.

Description

  The present invention relates to an apparatus for performing an environmental test by simulating a state in which a solar panel is installed on a roof.

Solar power generation systems (solar power generation systems) are environmentally friendly clean power generation systems that do not emit carbon dioxide and harmful exhaust gases that cause global warming compared to electricity generated by fossil fuels. In recent years, installations in houses, factories, commercial buildings, etc. are expanding due to technological innovations such as improvement of conversion efficiency in recent years, progress in production technology, and cost reduction due to expansion of the number of production.
Such a solar power generation system is composed of a solar panel (solar cell panel, solar cell module) and an inverter that converts the electric power generated by the solar cell from direct current to alternating current. Building with concrete or steel frame is not desirable from the viewpoint of Life Cycle Assessment (LCA), and is desirably mounted on the roof with mounting members such as support rails or brackets (see, for example, Patent Documents 1 and 2). .
In addition, regarding solar panel product testing, the crystalline solar cell module environmental test method and durability test method (JIS C 8917), and the amorphous solar cell module environmental test method and durability test method (JIS C 8938) There are standards, and tests conforming to test methods such as a temperature cycle test, a temperature / humidity cycle test, a heat resistance (high temperature storage test), and a moisture resistance (high humidity storage) test are performed.

JP-A-7-91001 JP 2008-280839 A

Although there is no device that performs an environmental test by simulating the state where a solar panel is installed on the roof, for example, as a device that performs an environmental test that reproduces a storm, a solar panel is installed in the chamber and a storm is generated by a wind tunnel and a water spray nozzle. An apparatus for performing the simulation of the above is conceivable.
However, such an apparatus cannot meet the demand for finely reproducing environmental conditions such as the wind direction peculiar to a location such as a house where a solar panel is installed on the roof.
Moreover, since it becomes a comparatively large structure, installation space is large and cost increases.
Furthermore, it lacks the flexibility of settings for carrying out environmental tests such as hot spot durability tests other than environmental tests that reproduce storms or storms.

  Therefore, in view of the above-described situation, the present invention intends to solve a solar panel environment that can efficiently perform an environmental test such as a storm test suitable for the actual environmental conditions of the solar panel installed on the roof. The point is to provide a test device.

  In order to solve the above problems, a solar panel environmental test apparatus according to the present invention is supported so as to be swingable around a horizontal axis passing through a substantially center of a panel surface of the solar panel and a panel support member that supports the solar panel. A blower that pressurizes air sucked from the suction port and discharges the air from the discharge port toward the solar panel, a wind direction changing drive device that changes the wind direction by swinging the blower around the horizontal axis, and the solar panel And a wind receiving member facing the blower with the panel support member interposed therebetween.

  Here, a panel angle change drive device that swings the panel support member around a horizontal axis, a rotary drive device that rotates a table that supports the panel angle change drive device around a vertical axis, and the rotary drive device is moved up and down It is preferable that a lifting drive device is provided.

  Further, it is preferable that a pulsating wind generating and driving device that performs at least one of changing the angle of the blades of the blower and opening and closing the damper is provided.

  Furthermore, it is preferable that a watering device that sprays water on the solar panel and a droplet removing member that faces the blower with the solar panel and the panel support member interposed therebetween are preferably provided.

  Furthermore, the blower can be swung around the horizontal axis by fixing the blower to the distal end of an arm whose base end is supported by a bearing device located on one side of the front, rear, left and right of the solar panel. It is preferable to support it.

According to the environmental test apparatus for a solar panel according to the present invention, a panel support member for supporting the solar panel and a swingable support about a horizontal axis passing through the approximate center of the panel surface of the solar panel, and suction from the suction port A blower that pressurizes the air and discharges it from the discharge port toward the solar panel, a wind direction changing drive device that swings the blower around the horizontal axis to change the wind direction, and the solar panel and the panel support member. Since the air blower member is provided to face the blower, the blower swings around the horizontal axis passing through the approximate center of the panel surface of the solar panel. It is possible to maintain a state in which the discharged wind is directed toward the solar panel.
Therefore, in a state where the solar panel is fixed to the panel support member using the mounting member used for actual mounting on the roof, depending on the environment in which the solar panel is actually used, from the blower toward the solar panel A wind storm test can be performed by easily setting the direction of the wind to be discharged by the wind direction changing drive device.
In addition, since the wind receiving member facing the blower across the solar panel and the panel support member receives the wind discharged from the blower, it is not necessary to perform an environmental test in a closed space such as in a chamber, so a simple configuration is used. The installation space can be reduced and the cost can be reduced.

  In addition, a panel angle changing drive device that swings the panel support member around a horizontal axis, a rotary drive device that rotates a table that supports the panel angle changing drive device around a vertical axis, and the rotary drive device is moved up and down. In addition to the effects described above, the panel angle changing drive device can swing the panel support member around the horizontal axis to change the inclination of the solar panel. The height of the wind can be adjusted and the angle of the solar panel can be changed around the vertical axis by rotating the table around the vertical axis using the rotary drive device. The storm test is conducted with the solar panel attitude to the more detailed setting according to the actual usage environment It is possible.

Furthermore, if a pulsating wind generation drive device that changes at least one of the angle of the blades of the blower and the opening and closing of the damper is provided, in addition to the above effects, there are obstacles such as a case where a storm of a typhoon pulsates or a utility pole, for example. Therefore, it is possible to conduct a storm test that is close to actual environmental conditions by simulating the case where the wind pulsates.
In addition, since it is possible to evaluate the case where the solar panel vibrates due to the wind load fluctuating due to the pulsating wind and the bolts of the mounting member are loosened, a reliability evaluation test of such a mounting member can also be performed.

  Furthermore, in addition to the above-described effects, a test that simulates an actual storm, provided with a watering device that sprays water on the solar panel, and a droplet removal member that faces the blower across the solar panel and the panel support member Since the droplet removal member facing the blower across the solar panel and the panel support member prevents splashing of water droplets, it is not necessary to perform an environmental test in a closed space such as in a chamber. The configuration can reduce the installation space and cost.

  In addition, the blower can be swung around the horizontal axis by fixing the blower to a distal end portion of an arm whose base end portion is supported by a bearing device positioned on one side of the solar panel in front, rear, left, and right. When supported, in addition to the above effects, there is a space for installing the test device on the side opposite to the bearing device for the solar panel and panel support member, so this space can be used effectively to reproduce storms or storms In addition to the environmental tests that have been performed, it is possible to flexibly make settings for carrying out environmental tests such as hot spot durability tests, so that environmental tests that match the actual environmental conditions of solar panels installed on the roof can be performed efficiently. It can be carried out.

It is a fragmentary sectional front view which shows the environmental test apparatus of the solar panel which concerns on embodiment of this invention. It is a partial cross-sectional top view similarly. It is a vertical right side view similarly.

An environmental test apparatus for a solar panel according to an embodiment of the present invention will be described with reference to the schematic diagrams shown in FIGS.
In the plan view of FIG. 2, the directions of the horizontal axes H1 and H2 are the left-right direction, and the horizontal direction orthogonal to the left-right direction is the front-rear direction, and the definition of such direction is used below.
The solar panel environmental test apparatus according to the embodiment of the present invention includes the entire test apparatus on a base plate 1 mounted and fixed on the floor surface FL, and performs an environmental test in a closed space such as in a chamber. The solar panel SP, which is a test body for performing an environmental test, can be tested in an open space, not by a crane 24 operated by an operator on the work table 22 from the stairs 23. It is transported and attached to the panel support member 11.
Further, the inverter panel 31 shown in FIG. 2 is used for controlling the rotational speed of the blower 12, and the control panel 32 is used for controlling each driving device constituting the test apparatus, and these settings are set on the operation panel 33. Can be performed.

As shown in FIG. 1, a table lifter 3 that is a lift driving device is fixed on a gantry 2 </ b> A fixed to the base plate 1, and a turntable 4 that is a rotary driving device is fixed on the table lifter 3. A panel support member 11 is supported on a table 25 that is rotated by the table 4 by a hinge 26 and a cylinder 27 that is a panel angle changing drive device 5, and the panel support member 11 is used for an actual attachment to the roof. The solar panel SP is attached using
Therefore, for example, the inclination of the solar panel SP can be changed by swinging the panel support member 11 around the hinge 26 (horizontal axis H2) by expanding and contracting the cylinder 27 which is an electric cylinder (the swing in FIG. 1). (See angle α2.) The height of the solar panel SP can be adjusted by the table lifter 3, and the table 25 is rotated about the vertical axis by rotating the turntable 4 so that the solar panel SP is rotated about the vertical axis. The angle can be changed.

As shown in FIGS. 1 and 2, the blower 12 that pressurizes air sucked from the suction port 12A and discharges it from the discharge port 12B is a bearing device 6 that is located on one side in the left-right direction of the solar panel SP (panel support member 11). The base end portion 7A is fixed to the distal end portion 7B of the supported arm 7, and is supported so as to be swingable around the horizontal axis H1 in the left-right direction passing through the approximate center of the panel surface of the solar panel SP.
Further, as shown in FIG. 1, the table 28 of the table lifter 8 which is a lifting drive device installed on the base plate 1 has, for example, a laterally inward U-shape extending in the front-rear direction as shown in FIGS. Left and right guide rails 9 and 9 having a cross-section are attached, and left and right rolling elements 10 and 10 connected and fixed to the blower 12 are engaged with the guide rails 9 and 9.

Therefore, since the blower 12 swings around the horizontal axis H1 by raising and lowering the table lifter 8 (see swing angle α1 in FIG. 1), the direction of the wind discharged from the blower 12 toward the solar panel SP. Can be changed.
Here, the wind direction changing drive device A that changes the wind direction by swinging the blower 12 around the horizontal axis H1 includes a bearing device 6, an arm 7, a table lifter 8, guide rails 9, 9, and rolling elements 10, 10. Is done.

Further, since the blower 12 includes a pulsating wind generation drive device B (see FIG. 1) that is an actuator that changes the angle of the blades and an actuator that opens and closes the damper, which are not shown in detail, the blower 12 discharges from the discharge port 12B. By changing the blade angle of the blower 12, a relatively large pulsating wind can be created, for example, when a typhoon storm pulsates, and by opening and closing the damper, for example, It is possible to create a relatively small pulsating wind like when there is an obstacle such as a utility pole and the wind pulsates.
Here, the cycle of the pulsation can be changed by setting the rotation speed (drive frequency) of the actuator from the operation panel 33.
In addition, the wind speed of the air blower 12 can be changed in a range of, for example, about 2 m / s to 60 m / s by controlling the number of revolutions of the inverter panel 31, and for example, 20 m / s to 40 m / The relatively large pulsating wind in the range of s (for example, a cycle of 3 seconds), for example, the relatively small pulsating wind in the range of 15 m / s to 30 m / s (for example, a cycle of 1 second) can be generated.

Furthermore, a watering device for watering the water pumped up by the pump from the watering nozzles 13 and 13 is installed, and the watering nozzles 13 and 13 are installed between the discharge port 12B of the blower 12 and the solar panel SP. Wind and water droplets simulating actual wind and rain can be applied to the solar panel SP.
In addition, on the frame 2B fixed to the base plate 1 on the position facing the blower 12 with the solar panel SP and the panel support member 11 interposed therebetween, a splash protection net 14, a drip removal plate (eliminator) 15, and a partition wall Since the wind receiving plate 16 supported by 17 is installed, the wind energy can be absorbed and received and the water droplets can be prevented from being scattered, and between the droplet removing plate 15 and the wind receiving plate 16. The water that falls from the bottom to the bottom can be recovered.
Here, the scattering protection net 14, the drop removing plate 15, and the wind receiving plate 16 constitute a wind receiving member C that absorbs and receives wind energy and a droplet removing member D that prevents water droplets from scattering.
Therefore, a wind storm test is performed while receiving wind by the wind receiving member C and preventing the water droplets from being scattered by the dropping member D, and the water leakage (rain leakage) of the solar panel SP which is a test body is observed and evaluated by visual observation or the like. be able to.

As described above, as shown in FIGS. 2 and 3, the blower 12 is fixed to the distal end portion 7B of the arm 7 supported by the bearing device 6 located on one side of the solar panel SP (panel support member 11) in the left-right direction. Since the space for installing the test device is vacant on the side of the solar panel SP (panel support member 11) on the opposite side to the bearing device 6 in the left-right direction, In addition to environmental tests that reproduce storms, settings for performing environmental tests such as hot spot durability tests can be made flexibly.
For example, as shown in FIGS. 2 and 3, a solar simulator (artificial solar light source) 21 is installed on a table lifter 20 that is a lift driving device installed on a gantry 2 </ b> C fixed to the base plate 1. A hot spot endurance test to check the effects of hot spot heating by sequentially closing a part of the solar cells (panel area 1/8 to 8/8) on the assumption that leaves of trees, bird droppings, etc. are attached to the battery. It can be carried out.

Further, a fire test can be performed by feeding out a fire curtain 18 that hangs down to the solar panel SP side from the scattering protection net 14 shown in FIG.
For example, while blowing a wind of 3 m / s from the blower 12 to the solar panel SP, two fire types are placed on the solar panel SP with a time interval, and fire resistance is evaluated by whether or not the solar panel SP is penetrated. be able to.

According to the environmental test apparatus for a solar panel configured as described above, the panel support member 11 that supports the solar panel SP and the horizontal axis H1 that passes through the approximate center of the panel surface of the solar panel SP are supported so as to be swingable. Since the air blower 12 that discharges the wind from the discharge port toward the solar panel SP and the wind direction changing drive device A that swings the air blower 12 around the horizontal axis H1 to change the wind direction are provided. Since the blower 12 swings around the horizontal axis H1 passing through the approximate center of the panel surface, even when the blower 12 swings, the state where the wind discharged from the discharge port 12B of the blower 12 is directed toward the solar panel SP can be maintained. it can.
Therefore, in a state where the solar panel SP is fixed to the panel support member 11 using the mounting member used for the actual mounting on the roof, the solar panel SP is switched from the blower 12 to the solar according to the environment in which the solar panel SP is actually used. The direction of the wind discharged toward the panel SP is easily set by the wind direction changing drive device A to conduct a storm test, evaluate the strength of the solar panel SP and the mounting member against the wind load, and the vibration noise caused by the vortex generated by the wind. It is possible to easily perform the evaluation, the characteristic evaluation that reproduces the blowing wind according to the angle of the roof, and the like.
In addition, since the water spray nozzles 13 and 13 (watering devices) for spraying the solar panel SP are provided, a test simulating an actual storm can be performed.

  Further, a panel angle change drive device 5 that swings the panel support member 11 around the horizontal axis H2, and a rotary drive device (turn table 4) that rotates the table 25 that supports the panel angle change drive device 5 around the vertical axis. Since the lift drive device (table lifter 3) for raising and lowering the rotary drive device is provided, the panel support member 11 is swung around the horizontal axis H2 by the panel angle change drive device 5 to change the inclination of the solar panel SP. The height of the solar panel SP can be adjusted by the elevating drive device, and the angle of the solar panel SP can be changed around the vertical axis by rotating the table 25 around the vertical axis by the rotary drive device. Solar panel S for the direction of wind discharged from blower 12 toward solar panel SP It is possible to perform the storm test or storm test set more finely in accordance with the environment used for posture actually.

Further, since the wind receiving member C and the droplet removing member D facing the blower 12 are sandwiched between the solar panel SP and the panel support member 11, the wind receiving member C absorbs the energy of the wind discharged from the blower 12. Since the catching / droplet removing member D prevents water droplets from scattering, it is not necessary to perform an environmental test in a closed space such as in a chamber. Therefore, the installation space can be reduced and the cost can be reduced with a simple configuration.
Furthermore, since the pulsating wind generation drive device B is provided, a storm test close to the actual environmental conditions is simulated by simulating, for example, a case where a storm of a typhoon pulsates or a case where there is an obstacle such as a utility pole and the wind pulsates. In addition, it is possible to evaluate the case where the solar panel SP vibrates due to the wind load that fluctuates due to the pulsating wind, and the bolts of the mounting member loosen. Can do.

A Wind direction change drive device B Pulsating wind generation drive device C Wind receiving member D Droplet removal member FL Floor surface H1, H2 Horizontal axis SP Solar panel α1, α2 Swing angle 1 Base plates 2A, 2B, 2C Base 3 Table lifter Drive device)
4 Turntable (rotary drive)
5 Panel angle change drive device 6 Bearing device 7 Arm 7A Base end portion 7B Tip end portion 8 Table lifter (lifting drive device)
9 Guide rail 10 Rolling body 11 Panel support member 12 Blower 12A Suction port 12B Discharge port 13 Watering nozzle (watering device)
14 Splash protection net 15 Droplet plate (eliminator)
16 Wind receiving plate 17 Partition wall 18 Fire curtain 19 Winding drum 20 Table lifter (lifting drive device)
21 Solar simulator (artificial solar light source)
22 Work table 23 Stairs 24 Crane 25 Table 26 Hinge 27 Cylinder 28 Table 31 Inverter panel 32 Control panel 33 Operation panel

Claims (5)

A panel support member for supporting the solar panel;
A blower that is supported so as to be swingable around a horizontal axis that passes through the approximate center of the panel surface of the solar panel, pressurizes air sucked from the suction port, and discharges the air from the discharge port toward the solar panel,
A wind direction changing drive device for changing the wind direction by swinging the blower around the horizontal axis;
With the solar panel and the panel support member in between, the wind receiving member facing the blower,
A solar panel environmental testing device characterized by comprising:   A panel angle change drive device that swings the panel support member around a horizontal axis, a rotation drive device that rotates a table that supports the panel angle change drive device around a vertical axis, and a lift drive that moves the rotary drive device up and down The solar panel environmental test apparatus according to claim 1, comprising the apparatus.   The environmental test apparatus for solar panels according to claim 1, further comprising a pulsating wind generating and driving device that performs at least one of changing an angle of blades of the blower and opening and closing a damper.   The solar panel environmental test apparatus according to claim 1, further comprising: a watering device that sprays water on the solar panel; and a droplet removal member that faces the blower with the solar panel and the panel support member interposed therebetween. The blower is supported swingably around the horizontal axis by fixing the blower to the distal end of an arm whose base end is supported by a bearing device located on one side of the solar panel in front, rear, left, and right. The solar panel environmental testing device according to claim 1.

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