CN108134578B - Test method, test equipment and test system of solar cell panel - Google Patents
Test method, test equipment and test system of solar cell panel Download PDFInfo
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- CN108134578B CN108134578B CN201711450284.4A CN201711450284A CN108134578B CN 108134578 B CN108134578 B CN 108134578B CN 201711450284 A CN201711450284 A CN 201711450284A CN 108134578 B CN108134578 B CN 108134578B
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- 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
- H02S50/15—Testing of PV devices, e.g. of PV modules or single PV cells using optical means, e.g. using electroluminescence
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- 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
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Abstract
The invention discloses a test method, test equipment and a test system for a solar cell panel. The method comprises the following steps: the method comprises the steps that an external power supply is electrically connected with an electrical appliance, and the electrical appliance is powered by a preset first voltage value; the method comprises the steps that a solar cell panel is arranged to stop supplying power to an electrical appliance, and a first current value output when an external power supply supplies power to the electrical appliance is detected; the method comprises the steps that a solar cell panel is arranged to supply power to an electrical appliance under a preset test light source, and a second current value output when an external power supply supplies power to the electrical appliance is detected; and calculating the output power value of the solar panel according to the first voltage value, the first current value and the second current value so as to determine whether the solar panel is in a normal state. According to the invention, the solar cell panel which is configured to be fixedly connected with the electric appliance to form an electric connection can be tested and obtained without disassembling, and the test cost is reduced.
Description
Technical Field
The invention relates to the technical field of solar energy, in particular to a test method, test equipment and a test system for a solar cell panel.
Background
Solar power generation is used as a new energy generation mode, and has the advantages of cleanness, no pollution, reproducibility, low cost and the like, so that the solar power generation has wide application space. The solar panel is a device which directly or indirectly converts solar radiation energy into electric energy through a photoelectric effect or a photochemical effect, and is used as a core component of solar power generation, and the output power of the solar panel directly influences the working state of an electric appliance powered by solar energy.
At present, in the equipment using solar power supply, electrical equipment is generally configured to form fixed electrical connection with a solar panel, for example, in a vehicle using solar power supply, a vehicle controller using solar panel for power supply forms fixed connection with the solar panel, therefore, when the equipment using solar power supply is in use, and there is a demand for output power of a solar battery in test equipment, the equipment generally needs to be disassembled to test the solar panel, there are time and labor costs brought by the disassembly, the test cost is high, and there is also an equipment damage risk that the equipment cannot be restored in the disassembly process.
Disclosure of Invention
An object of the present invention is to provide a new technical solution for testing solar panels.
According to a first aspect of the present invention, there is provided a method of testing a solar panel arranged to form a fixed electrical connection with a corresponding electrical consumer, the method comprising:
an external power supply is electrically connected with the electrical appliance, and the electrical appliance is powered by a preset first voltage value;
setting the solar cell panel to stop supplying power to the electrical appliance, and detecting a first current value output when the external power supply supplies power to the electrical appliance;
the solar cell panel is arranged to supply power to the electrical appliance under a preset test light source, and a second current value output when the external power supply supplies power to the electrical appliance is detected;
and calculating the output power value of the solar panel according to the first voltage value, the first current value and the second current value so as to determine whether the solar panel is in a normal state.
Alternatively,
the irradiance provided by the test light source is the irradiance corresponding to the rated power value of the solar panel;
the step of calculating the output power value of the solar panel comprises the following steps:
and calculating a difference value between the first current value and the second current value, and taking a result value obtained by multiplying the difference value by the first voltage value as the output power value.
Optionally, the step of calculating the output power value of the solar panel includes:
calculating a ratio value of the irradiance provided by the test light source and the irradiance corresponding to the rated power value of the solar panel;
and calculating a difference value between the first current value and the second current value, and taking a result value obtained by multiplying the difference value, the proportional value and the first voltage value as the output power value.
Optionally, the step of setting the solar panel to supply power to the electrical appliance under a preset test light source includes:
the testing light source is arranged right above the solar panel and provides illumination according with preset irradiance for the solar panel, so that the solar panel supplies power to the electrical appliance.
Optionally, the step of detecting a first current value and a second current value output by the external power supply when supplying power to the electrical appliance includes:
a constant-voltage ammeter is arranged to be respectively connected with the external power supply and the electrical appliance, so that the external power supply is electrically connected with the external power supply through the constant-voltage ammeter;
and detecting and acquiring the first current value or the second current value through a constant-voltage ammeter.
Optionally, the method further comprises:
and when the output power value is larger than a preset power threshold value, determining that the solar panel is in a normal state.
Alternatively,
the first voltage value is 5.5V, and the irradiance of the test light source is 1000W/m 2;
and/or the presence of a gas in the gas,
the solar cell panel and the electrical appliance are arranged in a vehicle, and the electrical appliance is vehicle control equipment.
According to a second aspect of the present invention, there is provided a test apparatus for testing a solar panel, comprising:
a memory for storing executable instructions;
a processor, configured to operate the testing apparatus to execute the testing method of the solar panel according to any one of the aspects provided in the first aspect of the present invention.
According to a third aspect of the present invention, there is provided a test system for testing a solar panel, comprising:
a solar panel;
an electrical load configured to form a fixed electrical connection with the solar panel;
the external power supply is configured to be electrically connected with the electrical appliance and supply power to the electrical appliance at a preset first voltage value;
the test light source is used for providing illumination for the solar cell panel so that the solar cell panel supplies power to the electric appliance;
the testing apparatus according to the second aspect of the present invention is configured to test the output power of the solar panel to determine whether the solar panel is in a normal state.
Optionally, the test system further includes:
the constant voltage ammeter is used for being connected with the external power supply and the electrical appliance respectively, so that the external power supply is electrically connected with the external power supply through the constant voltage ammeter.
According to the embodiment of the invention, the solar cell panel which is configured to be fixedly connected with the electric appliance to form electric connection is tested and obtained without disassembling the fixed connection between the solar cell panel and the electric appliance, so that the time and labor cost brought by disassembly are saved, the testing cost is reduced, and the risk of equipment damage caused by disassembly and incapability of restoring equipment is avoided.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a block diagram showing an example of a hardware configuration of a computing system that may be used to implement an embodiment of the invention.
Fig. 2 shows a flow chart of a method for testing a solar panel according to a first embodiment of the present invention.
Fig. 3 shows a block diagram of a test apparatus of a first embodiment of the invention.
Fig. 4 shows a schematic diagram of a test system of a second embodiment of the invention.
Figure 5 shows a further schematic diagram of a test system according to a second embodiment of the invention.
Fig. 6 shows a schematic diagram of an example of a test system of a second embodiment of the invention.
Fig. 7 shows a further schematic view of an example of a test system of a second embodiment of the invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
< hardware configuration >
Fig. 1 is a block diagram showing a hardware configuration of an electronic apparatus 1000 that can implement an embodiment of the present invention.
The electronic device 1000 may be a laptop, desktop, cell phone, tablet, etc. As shown in fig. 1, the electronic device 1000 may include a processor 1100, a memory 1200, an interface device 1300, a communication device 1400, a display device 1500, an input device 1600, a speaker 1700, a microphone 1800, and the like. The processor 1100 may be a central processing unit CPU, a microprocessor MCU, or the like. The memory 1200 includes, for example, a ROM (read only memory), a RAM (random access memory), a nonvolatile memory such as a hard disk, and the like. The interface device 1300 includes, for example, a USB interface, a headphone interface, and the like. The communication device 1400 is capable of wired or wireless communication, for example, and may specifically include Wifi communication, bluetooth communication, 2G/3G/4G/5G communication, and the like. The display device 1500 is, for example, a liquid crystal display panel, a touch panel, or the like. The input device 1600 may include, for example, a touch screen, a keyboard, a somatosensory input, and the like. A user can input/output voice information through the speaker 1700 and the microphone 1800.
The electronic device shown in fig. 1 is merely illustrative and is in no way meant to limit the invention, its application, or uses. In an embodiment of the present invention, the memory 1200 of the electronic device 1000 is configured to store instructions for controlling the processor 1100 to operate so as to execute any one of the methods for testing a solar panel provided by the embodiment of the present invention.
It will be appreciated by those skilled in the art that although a plurality of means are shown for the electronic device 1000 in fig. 1, the present invention may relate to only some of the means therein, e.g. the electronic device 1000 relates to only the processor 1100 and the storage means 1200. The skilled person can design the instructions according to the disclosed solution. How the instructions control the operation of the processor is well known in the art and will not be described in detail herein.
< first embodiment >
In this embodiment, a method for testing a solar panel is provided.
The solar panel is a device which directly or indirectly converts solar radiation energy into electric energy through a photoelectric effect or a photochemical effect and is used for outputting and supplying power to an electric appliance.
The solar panel and the electrical consumer are configured to form a fixed electrical connection. The electric appliance is any device which can be powered by solar energy. The solar cell panel is fixed with the electricity between the battery, and there can be manpower and time cost in disassembling, can bring the damage risk that can not restore after disassembling simultaneously.
For example, the solar panel and the electrical appliance are arranged in a vehicle, and the electrical appliance is a vehicle control device. In the prior art, in this vehicle use, if need test solar cell panel's output, need at least with solar cell originally with disassemble with the electricity connection of electrical apparatus, could test solar cell panel.
In the present embodiment, the method for testing a solar panel is shown in fig. 2 and includes steps S2100-S2400.
And step S2100, setting an external power supply to be electrically connected with an electrical appliance, and supplying power to the electrical appliance at a preset first voltage value.
The external power supply can be electrically connected with the electrical appliance. For the electrical appliances powered by the solar power supply equipment, a standby power transmission port is usually provided for supplying power supplementarily when the solar power supply is insufficient. In this embodiment, the external power source can form an electrical connection with the electrical appliance through the standby power transmission port of the electrical appliance. The external power supply can be a power supply device for stabilizing output voltage, and can be a stabilized power supply or a mobile charger.
The first voltage value can be set according to a specific application scenario or application requirements. For example, the first voltage value may be set to a value between a minimum charging voltage value of the electric appliance and a minimum voltage value of the output voltage of the solar cell panel, and particularly, may be set to 5.5V.
Step S2200 is that the solar cell panel is set to stop supplying power to the electrical appliance, and a first current value output when the external power supply supplies power to the electrical appliance is detected.
In this embodiment, the solar cell panel may be shielded or a light source providing illumination to the solar cell panel may be shielded, so that the solar cell panel stops supplying power to the electrical appliance.
At the moment, the external power supply only supplies power to the electric appliance, and can obtain a first current value output during power supply.
In one example, the step of detecting the first current value output by the external power supply when the external power supply supplies power to the electrical appliance includes:
the constant-voltage ammeter is respectively connected with the external power supply and the electrical appliance, so that the external power supply is electrically connected with the external power supply through the constant-voltage ammeter; and detecting and acquiring a first current value through a constant-voltage ammeter.
The constant voltage ammeter can be a device for adjusting the voltage value output by the external power supply to be stabilized at a preset first voltage value, and can also have the functions of displaying voltage and current, so that the detection and acquisition of the first current value are facilitated.
And step S2300, setting the solar cell panel to supply power to the electrical appliance under a preset test light source, and detecting a second current value output when the external power supply supplies power to the electrical appliance.
In this embodiment, the step of setting up solar cell panel and supplying power to electrical apparatus under predetermined test light source includes:
the testing light source is arranged right above the solar cell panel, illumination which accords with preset irradiance is provided for the solar cell panel, and the solar cell panel supplies power to an electric appliance.
The test light source may be a natural light source or an industrial light source that provides illumination that meets a preset irradiance. The preset irradiance can be set according to application scenes or application requirements, for example, the irradiance of the test light source can be set to 1000W/m2(W/m 2: Watts per square meter).
The solar cell panel supplies power to the electrical appliance, so that the solar cell panel and the external power supply are connected in parallel to supply power to the electrical appliance.
It should be understood that, based on the disclosure in this embodiment, a person skilled in the art can easily implement the method for testing a solar panel in this embodiment by exchanging the order of step S2300 and step S2200 according to the convenience of implementation without any creativity.
Step S2400, calculating an output power value of the solar cell panel according to the first voltage value, the first current value, and the second current value, so as to determine whether the solar cell panel is in a normal state.
In this embodiment, can be according to the first current value that first magnitude of voltage and test acquireed, the second current value, the output power value that solar cell panel was acquireed in the calculation, to being configured as and forming the solar cell panel of electricity connection with electrical apparatus is fixed, the realization need not to disassemble solar cell panel and use the fixed connection between the electrical apparatus, just can test the output who acquires solar cell panel, save time and the human cost that the disassembling brought, reduce test cost, avoid disassembling the equipment that leads to unable reduction equipment simultaneously and damage the risk.
In one example, the irradiance provided by the test light source is an irradiance corresponding to a rated power value of the solar panel.
The rated power value of the solar panel is an equipment index of the solar panel, and is generally the output power of the solar panel under the irradiation of a light source with certain fixed irradiance and at a fixed battery temperature in a standard test environment. For example, under the irradiation of the irradiance of 1000W/m2 and the spectrum AM1.5 in a certain standard test environment, the power of the solar panel tested at the cell temperature of 25 ℃ is the rated power value, and therefore, the irradiance corresponding to the rated power value of the solar panel is 1000W/m 2.
Correspondingly, the step of calculating the output power value of the solar panel comprises the following steps:
and calculating the difference value between the first current value and the second current value, and taking the result value obtained by multiplying the difference value by the first voltage value as the output power value.
The first current value is the current output when the solar cell panel does not supply power to the electrical appliance and the external power supply supplies power; the second current value is the current output by the external power supply when the solar panel and the external power supply power to the electrical appliance in parallel, and the difference value between the first current value and the second current value is calculated and corresponds to the current value of the solar panel supplying power to the electrical appliance; and multiplying the difference value by the first voltage value to obtain a result value, namely the output power value when the solar cell panel supplies power to the electric appliance.
Specifically, assuming that the first current value is Ia, the second current value is Ib, and the first voltage value is V1, the output power value P of the solar cell panel is (Ia-Ib) × V1.
In another example, the irradiance provided by the test light source is any value that can cause the solar panel to power an electrical consumer.
Correspondingly, the step of calculating the output power value of the solar panel comprises the following steps:
calculating a ratio value of irradiance provided by the test light source and irradiance corresponding to a rated power value of the solar panel;
and calculating the difference value between the first current value and the second current value, and taking the result value obtained by multiplying the difference value, the proportional value and the first voltage value as the output power value.
Specifically, assuming irradiance Wa provided by a test light source, irradiance corresponding to a rated power value of the solar panel is Wb, and a proportional value N is Wb/Wa;
assuming that the first current value is Ia, the second current value is Ib, and the first voltage value is V1, the output power value P of the solar cell panel is (Ia-Ib) × V1 × N.
And acquiring the output power value of the solar panel, and determining whether the solar panel is in a normal state. Specifically, the method for testing a solar panel provided in this embodiment further includes:
and when the output power value is larger than a preset power threshold value, determining that the solar panel is in a normal state.
The preset power threshold may be set according to a specific application scenario or an application requirement. For example, the minimum output power value when the solar panel normally operates may be set according to the performance of the solar panel, and in particular, may be set to 3.5W.
< test apparatus >
In the present embodiment, there is also provided a testing apparatus 200, as shown in fig. 3, for testing a solar panel, including:
a memory 210 for storing executable instructions;
a processor 220, configured to operate the testing apparatus to execute the testing method of the solar panel as provided in this embodiment according to the control of the executable instruction.
It will be appreciated by those skilled in the art that the test device 200 may be implemented in a variety of ways. For example, the test device 200 may be implemented by instructing a configuration processor. For example, the test apparatus 200 may be implemented by storing instructions in ROM and reading the instructions from ROM into a programmable device when the apparatus is started. For example, the test apparatus 200 may be cured into a dedicated device (e.g., ASIC). The test apparatus 200 may be divided into units independent of each other, or they may be implemented by being combined together. The test device 200 may be implemented in one of the various implementations described above, or may be implemented in a combination of two or more of the various implementations described above.
In one example, the test device 200 may be an electronic device 1000 as shown in FIG. 1.
The present embodiment has been described above in conjunction with the accompanying drawings. According to the embodiment, the test method and the test equipment for the solar cell panel are provided, for the solar cell panel which is configured to be fixedly electrically connected with an electrical appliance, the output power of the solar cell panel can be tested and obtained without disassembling the fixed connection between the solar cell panel and the electrical appliance, the time and the labor cost brought by disassembling are saved, the test cost is reduced, and the risk of equipment damage caused by disassembling the equipment which cannot be restored is avoided.
< second embodiment >
In this embodiment, a testing system 300 is provided for testing a solar panel, as shown in fig. 4, including:
a solar panel 310;
an electrical consumer 320 configured to form a fixed electrical connection with the solar panel;
an external power supply 330, configured to form an electrical connection with the electrical appliance, and supply power to the electrical appliance at a preset first voltage value;
the test light source 340 is used for providing illumination for the solar panel, so that the solar panel supplies power to the electrical appliance;
the test apparatus 200 as provided in the first embodiment is used to test the output power of the solar panel to determine whether the solar panel is in a normal state.
In one example, the test system 300 may further include a constant voltage ammeter 350, as shown in fig. 5, for respectively connecting the external power source and the electrical appliance, so that the external power source is electrically connected to the external power source via the constant voltage ammeter.
< example >
A method for testing a solar cell performed by the solar panel testing system 300 provided in the present embodiment will be further illustrated with reference to fig. 6 to 7.
In this example, a solar panel (in this example, simply referred to as "solar panel") is fixedly connected to the electrical equipment through a solar panel junction box, a light source for testing is disposed above the solar panel, a standby power transmission port of the electrical equipment is further included in the solar panel junction box, and an external power supply is electrically connected to the electrical equipment through a constant voltage ammeter and the solar panel junction box, as shown in fig. 6 (the testing device 200 is not shown).
In the example, the irradiance Wa provided by the light source for testing is 500W/m2, the irradiance Wb corresponding to the rated power value of the solar panel is 1000W/m2, and the output voltage V1 of the external power supply is 5.5V.
As shown in fig. 7 (the test device 200 is not shown), in the test system 300, the test device 200 shields the light source above the solar panel, and the constant voltage ammeter tests to obtain a first current value Ia output from the external power supply to the electrical appliance, which is assumed to be 800 mA.
Based on the test system 300 shown in fig. 6, a light source is provided to irradiate the solar panel, so that the solar panel and the external power supply power to the electrical appliance in parallel, and a second current value Ib output from the external power supply to the electrical appliance is obtained through a constant voltage ammeter test, and the assumption is 300 mA.
Correspondingly, the output power of the obtained solar panel is as follows:
P＝(Ia-Ib)*V1*(Wb/Wa)＝(800mA–300mA)*5.5V*2＝5.5W。
in this example, the preset power threshold is 3.5W, the output power of the solar panel obtained by the test is 5.5W, and it can be confirmed that the solar panel is in a normal state.
The present embodiments have been described above with reference to the accompanying drawings and examples. According to this embodiment, a test equipment is provided for test solar cell panel to being configured as and with the fixed solar cell panel who forms the electricity and be connected of electrical apparatus, the realization need not to disassemble solar cell panel and with the fixed connection between the electrical apparatus, just can test the output who acquires solar cell panel, saves time and the human cost of disassembling and bringing, reduces test cost, avoids disassembling the equipment damage risk that leads to unable reduction equipment simultaneously.
The present invention may be a system, method and/or computer program product. The computer program product may include a computer-readable storage medium having computer-readable program instructions embodied therewith for causing a processor to implement various aspects of the present invention.
The computer readable storage medium may be a tangible device that can hold and store the instructions for use by the instruction execution device. The computer readable storage medium may be, for example, but not limited to, an electronic memory device, a magnetic memory device, an optical memory device, an electromagnetic memory device, a semiconductor memory device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), a Static Random Access Memory (SRAM), a portable compact disc read-only memory (CD-ROM), a Digital Versatile Disc (DVD), a memory stick, a floppy disk, a mechanical coding device, such as punch cards or in-groove projection structures having instructions stored thereon, and any suitable combination of the foregoing. Computer-readable storage media as used herein is not to be construed as transitory signals per se, such as radio waves or other freely propagating electromagnetic waves, electromagnetic waves propagating through a waveguide or other transmission medium (e.g., optical pulses through a fiber optic cable), or electrical signals transmitted through electrical wires.
The computer-readable program instructions described herein may be downloaded from a computer-readable storage medium to a respective computing/processing device, or to an external computer or external storage device via a network, such as the internet, a local area network, a wide area network, and/or a wireless network. The network may include copper transmission cables, fiber optic transmission, wireless transmission, routers, firewalls, switches, gateway computers and/or edge servers. The network adapter card or network interface in each computing/processing device receives computer-readable program instructions from the network and forwards the computer-readable program instructions for storage in a computer-readable storage medium in the respective computing/processing device.
The computer program instructions for carrying out operations of the present invention may be assembler instructions, Instruction Set Architecture (ISA) instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source or object code written in any combination of one or more programming languages, including an object oriented programming language such as Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The computer-readable program instructions may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider). In some embodiments, aspects of the present invention are implemented by personalizing an electronic circuit, such as a programmable logic circuit, a Field Programmable Gate Array (FPGA), or a Programmable Logic Array (PLA), with state information of computer-readable program instructions, which can execute the computer-readable program instructions.
Aspects of the present invention are described herein with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer-readable program instructions.
These computer-readable program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions/acts specified in the flowchart and/or block diagram block or blocks. These computer-readable program instructions may also be stored in a computer-readable storage medium that can direct a computer, programmable data processing apparatus, and/or other devices to function in a particular manner, such that the computer-readable medium storing the instructions comprises an article of manufacture including instructions which implement the function/act specified in the flowchart and/or block diagram block or blocks.
The computer readable program instructions may also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the instructions which execute on the computer, other programmable apparatus or other devices implement the functions/acts specified in the flowchart and/or block diagram block or blocks.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of instructions, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions. It is well known to those skilled in the art that implementation by hardware, by software, and by a combination of software and hardware are equivalent.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein. The scope of the invention is defined by the appended claims.
Claims (10)
1. A method of testing a solar panel arranged to form a fixed electrical connection with a corresponding electrical consumer, the method comprising:
an external power supply is electrically connected with the electrical appliance, and the electrical appliance is powered by a preset first voltage value;
setting the solar cell panel to stop supplying power to the electrical appliance, and detecting a first current value output when the external power supply supplies power to the electrical appliance;
the solar cell panel is arranged to supply power to the electrical appliance under a preset test light source, and a second current value output when the external power supply supplies power to the electrical appliance is detected;
and calculating the output power value of the solar panel according to the first voltage value, the first current value and the second current value so as to determine whether the solar panel is in a normal state.
2. The method of claim 1,
the irradiance provided by the test light source is the irradiance corresponding to the rated power value of the solar panel;
the step of calculating the output power value of the solar panel comprises the following steps:
and calculating a difference value between the first current value and the second current value, and taking a result value obtained by multiplying the difference value by the first voltage value as the output power value.
3. The method of claim 1, wherein the step of calculating the output power value of the solar panel comprises:
calculating a ratio value of the irradiance provided by the test light source and the irradiance corresponding to the rated power value of the solar panel;
and calculating a difference value between the first current value and the second current value, and taking a result value obtained by multiplying the difference value, the proportional value and the first voltage value as the output power value.
4. The method of claim 1, wherein the step of providing the solar panel to power the electrical consumer under a predetermined test light source comprises:
the testing light source is arranged right above the solar panel and provides illumination according with preset irradiance for the solar panel, so that the solar panel supplies power to the electrical appliance.
5. The method of claim 1, wherein the step of detecting the first current value and the second current value output by the external power supply when the external power supply supplies power to the electrical appliance comprises:
a constant-voltage ammeter is arranged to be respectively connected with the external power supply and the electrical appliance, so that the external power supply is electrically connected with the external power supply through the constant-voltage ammeter;
and detecting and acquiring the first current value or the second current value through a constant-voltage ammeter.
6. The method of claim 1, further comprising:
and when the output power value is larger than a preset power threshold value, determining that the solar panel is in a normal state.
7. The method of claim 1,
the first voltage value is 5.5V, and the irradiance of the test light source is 1000W/m 2;
and/or the presence of a gas in the gas,
the solar cell panel and the electrical appliance are arranged in a vehicle, and the electrical appliance is vehicle control equipment.
8. A test apparatus for testing a solar panel, comprising:
a memory for storing executable instructions;
a processor for operating the test equipment to perform the method of testing a solar panel according to any one of claims 1-7, under the control of the executable instructions.
9. A test system for testing a solar panel, comprising:
a solar panel;
an electrical load configured to form a fixed electrical connection with the solar panel;
the external power supply is configured to be electrically connected with the electrical appliance and supply power to the electrical appliance at a preset first voltage value;
the test light source is used for providing illumination for the solar cell panel so that the solar cell panel supplies power to the electric appliance;
the test apparatus of claim 8, for testing the output power of the solar panel to determine if the solar panel is in a normal state.
10. The test system of claim 9, further comprising:
the constant voltage ammeter is used for being connected with the external power supply and the electrical appliance respectively, so that the external power supply is electrically connected with the external power supply through the constant voltage ammeter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711450284.4A CN108134578B (en) | 2017-12-27 | 2017-12-27 | Test method, test equipment and test system of solar cell panel |
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| CN201711450284.4A CN108134578B (en) | 2017-12-27 | 2017-12-27 | Test method, test equipment and test system of solar cell panel |
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| CN105182250B (en) * | 2015-08-24 | 2017-12-12 | 北京国电通网络技术有限公司 | A kind of non-intrusion type distributed power source output monitoring device |
| JP6403717B2 (en) * | 2016-06-07 | 2018-10-10 | 東北電力株式会社 | Solar cell module power generation output acquisition method and power generation output acquisition device |
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