CN107976632B - Photoelectric conversion efficiency testing device and method - Google Patents
Photoelectric conversion efficiency testing device and method Download PDFInfo
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- CN107976632B CN107976632B CN201711065460.2A CN201711065460A CN107976632B CN 107976632 B CN107976632 B CN 107976632B CN 201711065460 A CN201711065460 A CN 201711065460A CN 107976632 B CN107976632 B CN 107976632B
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
The invention discloses a device and a method for testing photoelectric conversion efficiency, wherein the device for testing the photoelectric conversion efficiency comprises: a laser emitting a laser beam; a beam expander that converts the laser beam into a diverging beam and transmits the diverging beam; the variable diaphragm adjusts the divergent light beam into an incident light beam with a preset aperture and sends the incident light beam; the laser battery receives the incident beam of the iris diaphragm, and the size of a laser spot of the incident beam is the same as that of the laser battery. The technical problems that in the prior art, laser energy transmission and conversion needs a transmitting and receiving device, so that free adjustment cannot be performed according to the size of a photocell and the structure is complex are solved, and the technical effect that the change relation of the photoelectric conversion efficiency of the laser cell along with the power density, the temperature, the deflection angle, the photocell material and the laser wavelength can be measured simultaneously is achieved.
Description
Technical Field
The invention belongs to the technical field of laser energy transmission, and particularly relates to a photoelectric conversion efficiency testing device and method.
Background
At present, the influence of conditions such as irradiation intensity, photocell materials, laser wavelength and the like on the conversion efficiency of the photocell is mainly tested through an experimental device for laser energy transmission and conversion.
However, in the process of implementing the technical solution in the embodiment of the present application, the inventor of the present application finds that the above prior art has at least the following technical problems:
because laser energy transmission and conversion in the prior art need transmitting and receiving arrangement to cause can't carry out freely adjusting according to photocell size, technical problem that the structure is complicated.
Disclosure of Invention
The embodiment of the invention provides a device and a method for testing photoelectric conversion efficiency, which are used for solving the technical problems that in the prior art, laser energy transmission and conversion need a transmitting and receiving device, so that free adjustment cannot be performed according to the size of a photocell and the structure is complex, and the device and the method have the advantages of simple structure, complete functions, capability of simultaneously measuring the change relation of the photoelectric conversion efficiency of a laser battery along with power density, temperature, deflection angle, photocell material and laser wavelength, low cost and the like, and provide important basis for optimizing the content such as the laser battery material, the laser wavelength, the working temperature of the laser battery and the like.
In order to solve the above problem, in a first aspect, an embodiment of the present invention provides a photoelectric conversion efficiency testing apparatus, including:
a laser emitting a laser beam;
the beam expander receives the laser beam emitted by the laser, and the beam expander converts the laser beam into a divergent beam and then sends the divergent beam;
the variable diaphragm receives the divergent light beam of the beam expander, and the variable diaphragm adjusts the divergent light beam into an incident light beam with a preset aperture and transmits the incident light beam;
the laser battery receives the incident beam of the iris diaphragm, and the laser spot size of the incident beam is the same as the size of the laser battery;
wherein the beam expander, the iris diaphragm and the laser battery are arranged on a laser main shaft of the laser beam.
Preferably, the device for testing photoelectric conversion efficiency further includes: the refrigerating surface of the thermoelectric refrigerator is connected with the laser battery; and the five-dimensional adjusting frame is provided with the thermoelectric refrigerator and the laser battery.
Preferably, a heat conducting glue is coated between the thermoelectric refrigerator and the laser battery.
Preferably, the device for testing photoelectric conversion efficiency further includes: the photovoltaic tester is connected with the laser battery through an electric signal; the thermoelectric refrigerator controller is connected with the thermoelectric refrigerator through an electric signal.
In a second aspect, an embodiment of the present invention provides a method for testing photoelectric conversion efficiency, where the method includes:
adjusting the directions of the iris diaphragm and the five-dimensional adjusting frame, wherein the size of a laser spot emitted by a laser is equal to that of a laser battery, and the center of the laser spot emitted by the laser is superposed with that of the laser battery, so that a laser beam of the laser is vertically incident on a photosensitive surface of the laser battery;
detecting the first optical power transmitted by the laser beam through the iris diaphragm, and measuring the size of the laser battery;
obtaining a first optical power density of the laser incident to the laser battery through the ratio of the first optical power to the size of the laser battery;
detecting a first output power of the laser battery through the photovoltaic tester;
and obtaining the photoelectric conversion efficiency of the laser battery through the ratio of the first output power of the laser battery to the first optical power.
Preferably, the method for testing photoelectric conversion efficiency further includes: the laser beam of the laser has a second output power; adjusting second output power of a laser beam of the laser, and detecting second optical power transmitted by the laser beam through the iris diaphragm to obtain second optical power density of the laser battery; detecting a third output power change value of the laser battery through the photovoltaic tester; and obtaining the change relation between the photoelectric conversion efficiency of the laser battery and the second optical power density of the laser battery through the ratio of the third output power change value of the laser battery to the second optical power.
Preferably, the method for testing photoelectric conversion efficiency further includes: controlling the temperature of the thermoelectric refrigerator by adjusting a thermoelectric refrigerator controller; controlling the temperature of the laser battery through the thermoelectric refrigerator; detecting a third optical power transmitted by the laser beam through the iris diaphragm, and measuring the size of the laser battery; obtaining a third optical power density of the laser incident to the laser battery through the ratio of the third optical power to the size of the laser battery; detecting fourth output power of the laser battery through the photovoltaic tester; and obtaining the change relation between the photoelectric conversion efficiency of the laser battery and the temperature of the laser battery through the ratio of the fourth output power of the laser battery to the third optical power.
Preferably, the method for testing photoelectric conversion efficiency further includes: adjusting the azimuth deflection angle and the pitching deflection angle of the five-dimensional adjusting frame; controlling the deflection angle of the laser battery through the five-dimensional adjusting frame; detecting fourth optical power transmitted by the laser beam through the iris diaphragm, and measuring the size of the laser battery; obtaining a fourth optical power density of the laser incident to the laser battery according to the ratio of the fourth optical power to the size of the laser battery; detecting a fifth output power of the laser battery through the photovoltaic tester; and obtaining the change relation between the photoelectric conversion efficiency of the laser battery and the deflection angle of the laser battery according to the ratio of the fifth output power to the fourth optical power of the laser battery.
Preferably, the method for testing photoelectric conversion efficiency further includes: the material of the laser battery is replaceable; adjusting the directions of the iris diaphragm and the five-dimensional adjusting frame, wherein the size of a laser spot emitted by the laser is equal to that of the laser battery, and the center of the laser spot emitted by the laser is superposed with that of the laser battery, so that a laser beam of the laser is vertically incident on a photosensitive surface of the laser battery; detecting the fifth optical power transmitted by the laser beam through the iris diaphragm, and measuring the size of the laser battery; obtaining a fifth optical power density of the laser incident to the laser battery through the ratio of the fifth optical power to the size of the laser battery; detecting a sixth output power of the laser battery through the photovoltaic tester; and obtaining the change relation between the photoelectric conversion efficiency of the laser battery and the material of the laser battery through the ratio of the sixth output power of the laser battery to the fifth optical power.
Preferably, the method for testing photoelectric conversion efficiency further includes: adjusting the laser beam wavelength of the laser; adjusting the directions of the iris diaphragm and the five-dimensional adjusting frame, wherein the size of a laser spot emitted by the laser is equal to that of the laser battery, and the center of the laser spot emitted by the laser is superposed with that of the laser battery, so that a laser beam of the laser is vertically incident on a photosensitive surface of the laser battery; detecting the sixth optical power transmitted by the laser beam through the iris diaphragm, and measuring the size of the laser battery; obtaining a sixth optical power density of the laser incident to the laser cell according to the ratio of the sixth optical power to the size of the laser cell; detecting a seventh output power of the laser battery through the photovoltaic tester; and obtaining the change relation between the photoelectric conversion efficiency of the laser battery and the wavelength of the laser beam of the laser through the ratio of the seventh output power of the laser battery to the sixth optical power.
One or more technical solutions in the embodiments of the present invention at least have one or more of the following technical effects:
1. the embodiment of the invention provides a photoelectric conversion efficiency testing device, which comprises: a laser emitting a laser beam; the beam expander receives the laser beam emitted by the laser, and the beam expander converts the laser beam into a divergent beam and then sends the divergent beam; the variable diaphragm receives the divergent light beam of the beam expander, and the variable diaphragm adjusts the divergent light beam into an incident light beam with a preset aperture and transmits the incident light beam; the laser battery receives the incident beam of the iris diaphragm, and the laser spot size of the incident beam is the same as the size of the laser battery; wherein the beam expander, the iris diaphragm and the laser battery are arranged on a laser main shaft of the laser beam. The technical problems that in the prior art, laser energy transmission and conversion needs a transmitting and receiving device, so that free adjustment cannot be performed according to the size of a photocell and the structure is complex are solved, the structure is simple, the functions are complete, the change relation of the photoelectric conversion efficiency of the laser battery along with the power density, the temperature, the deflection angle, the photocell material and the laser wavelength can be measured simultaneously, important basis is provided for optimizing the contents of the laser battery material, the laser wavelength, the working temperature of the laser battery and the like, and the cost is low are solved.
2. According to the invention, through a thermoelectric refrigerator, a refrigerating surface of the thermoelectric refrigerator is connected with the laser battery; and the five-dimensional adjusting frame is provided with the thermoelectric refrigerator and the laser battery. The technical problems that in the prior art, laser energy transmission and conversion needs a transmitting and receiving device, so that free adjustment cannot be performed according to the size of a photocell, and the structure is complex are solved, the change relation between the temperature and the deflection angle of a laser battery and the photoelectric conversion efficiency of the laser battery can be obtained by adjusting the temperature and the deflection angle of the laser battery, and the technical effects of providing important basis for optimizing the material of the laser battery, the wavelength of a laser, the working temperature of the laser battery and the like and having simple structure are achieved.
3. According to the invention, a photovoltaic tester is connected with the laser battery through an electric signal; the thermoelectric refrigerator controller is connected with the thermoelectric refrigerator through an electric signal. The technical problems that in the prior art, laser energy transmission and conversion needs a transmitting and receiving device, so that free adjustment cannot be carried out according to the size of a photocell and the structure is complex are solved, and the technical effect that the change relation of the photoelectric conversion efficiency of the laser cell along with the power, the temperature and the deflection angle can be detected simultaneously is further achieved.
4. The embodiment of the invention provides a method for testing photoelectric conversion efficiency, which comprises the following steps: adjusting the directions of the iris diaphragm and the five-dimensional adjusting frame, wherein the size of a laser spot emitted by a laser is equal to that of a laser battery, and the center of the laser spot emitted by the laser is superposed with that of the laser battery, so that a laser beam of the laser is vertically incident on a photosensitive surface of the laser battery; detecting the first optical power transmitted by the laser beam through the iris diaphragm, and measuring the size of the laser battery; obtaining a first optical power density of the laser incident to the laser battery through the ratio of the first optical power to the size of the laser battery; detecting a first output power of the laser battery through the photovoltaic tester; and obtaining the photoelectric conversion efficiency of the laser battery through the ratio of the first output power of the laser battery to the first optical power. The technical problems that in the prior art, laser energy transmission and conversion need a transmitting and receiving device, so that free adjustment cannot be carried out according to the size of a photocell and the structure is complex are solved, the technical effects that the functions are complete and the change relation of the photoelectric conversion efficiency of the laser cell along with the power density can be measured are achieved.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Fig. 1 is a schematic diagram of a device for testing photoelectric conversion efficiency according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a method for testing photoelectric conversion efficiency according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a device and a method for testing photoelectric conversion efficiency, which are used for solving the technical problems that in the prior art, laser energy transmission and conversion need a transmitting and receiving device, so that free adjustment cannot be performed according to the size of a photocell and the structure is complex, and the device and the method have the advantages of simple structure, complete functions, capability of simultaneously measuring the change relation of the photoelectric conversion efficiency of a laser battery along with power density, temperature, deflection angle, photocell material and laser wavelength, low cost and the like, and provide important basis for optimizing the content such as the laser battery material, the laser wavelength, the working temperature of the laser battery and the like.
The technical scheme in the embodiment of the invention has the following overall structure: a laser emitting a laser beam; the beam expander receives the laser beam emitted by the laser, and the beam expander converts the laser beam into a divergent beam and then sends the divergent beam; the variable diaphragm receives the divergent light beam of the beam expander, and the variable diaphragm adjusts the divergent light beam into an incident light beam with a preset aperture and transmits the incident light beam; the laser battery receives the incident beam of the iris diaphragm, and the laser spot size of the incident beam is the same as the size of the laser battery; wherein the beam expander, the iris diaphragm and the laser battery are arranged on a laser main shaft of the laser beam. The laser battery photoelectric conversion efficiency measuring device is used for solving the technical problems that in the prior art, a transmitting and receiving device is needed for laser energy transmission and conversion, so that free adjustment cannot be carried out according to the size of a photocell, and the structure is complex, and the technical effects that the structure is simple, the function is complete, the change relation of the photoelectric conversion efficiency of the laser battery along with the power density, the temperature, the deflection angle, the photocell material and the laser wavelength can be measured simultaneously, important basis is provided for optimizing the contents such as the laser battery material, the laser wavelength and the working temperature of the laser battery, and the cost.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
An embodiment of the present invention provides a device for testing photoelectric conversion efficiency, and referring to fig. 1, the device for testing photoelectric conversion efficiency includes:
the laser device 1, the said laser device 1 emits a laser beam; the beam expander 2 receives the laser beam emitted by the laser 1, wherein the beam expander 2 converts the laser beam into a divergent beam and then sends the divergent beam; the iris diaphragm 3 is used for receiving the divergent light beam of the beam expander 2, wherein the iris diaphragm 3 adjusts the divergent light beam into an incident light beam with a preset aperture and sends the incident light beam; the laser battery 4 receives the incident beam of the iris diaphragm 3, and the laser spot size of the incident beam is the same as the size of the laser battery; wherein the beam expander 2, the iris 3 and the laser battery 4 are arranged on a laser main shaft of the laser beam.
Further, the device for testing photoelectric conversion efficiency further includes: the thermoelectric refrigerator 6, the refrigerating surface of the thermoelectric refrigerator 6 is connected with the laser battery 4; and a five-dimensional adjusting frame 8, wherein the thermoelectric refrigerator 6 and the laser battery 4 are arranged on the five-dimensional adjusting frame 8. And a heat conducting glue is coated between the thermoelectric refrigerator 6 and the laser battery 4.
Specifically, the laser 1 emits a laser beam, and a beam expander 2, an iris 3, and a laser battery 4 are sequentially disposed on a laser spindle of the laser beam. The beam expander 2 receives the laser beam emitted by the laser 1, wherein the beam expander 2 converts the laser beam into a divergent beam and then sends the divergent beam. The iris diaphragm 3 receives the divergent light beam of the beam expander 2, wherein the iris diaphragm 3 is a square iris diaphragm or a circular iris diaphragm, and the iris diaphragm 3 adjusts the divergent light beam into an incident light beam with a predetermined aperture and transmits the incident light beam. The laser cell 4 receives the incident beam of the iris diaphragm 3, and the laser spot size of the incident beam is the same as the laser cell size. The refrigerating surface of the thermoelectric refrigerator 6 is tightly adhered and fixedly connected with the laser battery 4 by coating heat-conducting glue, and the thermoelectric refrigerator 6 can adjust the temperature of the laser battery 4; the thermoelectric refrigerator 6 and the laser battery 4 are fixedly arranged on the five-dimensional adjusting frame 8, and the five-dimensional adjusting frame 8 can adjust the deflection angle of the laser battery 4.
Further, the device for testing photoelectric conversion efficiency further includes: the photovoltaic tester 5 is connected with the laser battery 4 through an electric signal; a thermoelectric refrigerator controller 7, wherein the thermoelectric refrigerator controller 7 is connected with the thermoelectric refrigerator 6 through an electric signal.
Specifically, the photovoltaic tester 5 is electrically connected to the laser battery 4, and can detect the output power of the laser battery 4; the thermoelectric refrigerator controller 7 is electrically connected with the thermoelectric refrigerator 6, and the thermoelectric refrigerator controller 7 adjusts the temperature of the thermoelectric refrigerator 6, and further adjusts the temperature of the laser battery 4.
Example two
An embodiment of the present invention provides a method for testing photoelectric conversion efficiency, please refer to fig. 2, where the method for testing photoelectric conversion efficiency includes:
step 110: and adjusting the directions of the variable diaphragm 3 and the five-dimensional adjusting frame 8, wherein the size of a laser spot emitted by the laser 1 is equal to that of the laser battery 4, and the center of the laser spot emitted by the laser 1 is superposed with that of the laser battery 4, so that a laser beam of the laser 1 is vertically incident on a photosensitive surface of the laser battery 4.
Step 120: the first optical power transmitted by the laser beam through the variable diaphragm 3 is detected, and the size of the laser cell 4 is measured.
Step 130: and obtaining a first optical power density of the laser 1 incident to the laser battery 4 through the ratio of the first optical power to the size of the laser battery 4.
Step 140: the first output power of the laser cell 4 is detected by the photovoltaic tester 5.
Step 150: the photoelectric conversion efficiency of the laser cell 4 is obtained by the ratio of the first output power of the laser cell 4 to the first optical power.
Specifically, first, the directions of the variable diaphragm 3 and the five-dimensional adjusting frame 8 are adjusted to align the optical paths between the laser 1 and the laser cell 4, wherein the size of a laser spot emitted by the laser 1 is equal to the size of the laser cell 4, the center of the laser spot emitted by the laser 1 coincides with the center of the laser cell 4, and a laser beam of the laser 1 is perpendicularly incident on the light-sensing surface of the laser cell 4. Next, the first optical power transmitted by the laser beam through the iris 3 may be detected using an optical power meter, and the size of the laser cell 4 may be measured. Thirdly, obtaining a first optical power density of the laser 1 incident to the laser battery 4 through a ratio of the first optical power detected by an optical power meter to the measured size of the laser battery 4. Further, the first output power of the laser battery 4 is detected by the photovoltaic tester 5. Finally, the photoelectric conversion efficiency of the laser battery 4 is obtained by the ratio of the first output power of the laser battery 4 to the first optical power detected by the optical power meter.
EXAMPLE III
The embodiment of the invention provides a method for testing photoelectric conversion efficiency, which further comprises the following steps:
the laser beam of the laser 1 has a second output power; adjusting the second output power of the laser beam of the laser 1, detecting the second optical power transmitted by the laser beam through the iris diaphragm 3 by using an optical power meter, and measuring the size of the laser battery 4 to obtain a second optical power density of the laser battery 4; detecting a third output power change value of the laser battery 4 through the photovoltaic tester 5; and obtaining the change relation between the photoelectric conversion efficiency of the laser battery 4 and the second optical power density of the laser battery 4 through the ratio of the third output power change value of the laser battery 4 to the second optical power detected by the optical power meter.
Example four
The embodiment of the invention provides a method for testing photoelectric conversion efficiency, which further comprises the following steps:
controlling the temperature of a thermoelectric refrigerator 6 by adjusting a thermoelectric refrigerator controller 7, and further controlling the temperature of the laser battery 4 through the thermoelectric refrigerator 6; detecting a third optical power transmitted by the laser beam through the iris 3 by using an optical power meter, and measuring the size of the laser battery 4; obtaining a third optical power density of the laser 1 incident to the laser battery 4 through a ratio of the third optical power detected by an optical power meter to the size of the laser battery 4; detecting a fourth output power of the laser battery 4 through the photovoltaic tester 5; and obtaining the change relation between the photoelectric conversion efficiency of the laser battery 4 and the temperature of the laser battery 4 through the ratio of the fourth output power of the laser battery 4 to the third optical power detected by the optical power meter.
EXAMPLE five
The embodiment of the invention provides a method for testing photoelectric conversion efficiency, which further comprises the following steps:
adjusting the azimuth deflection angle and the pitch deflection angle of the five-dimensional adjusting frame 8; the deflection angle of the laser battery 4 is controlled by the five-dimensional adjusting frame 8; detecting fourth optical power transmitted by the laser beam emitted by the laser 1 through the iris diaphragm 3 by using an optical power meter, and measuring the size of the laser battery 4; obtaining a fourth optical power density of the laser 1 incident to the laser battery 4 according to the ratio of the fourth optical power to the size of the laser battery 4; detecting a fifth output power of the laser battery 4 through the photovoltaic tester 5; and obtaining the change relation between the photoelectric conversion efficiency of the laser battery 4 and the deflection angle of the laser battery 4 according to the ratio of the fifth output power of the laser battery 4 to the fourth optical power detected by the optical power meter.
EXAMPLE six
The embodiment of the invention provides a method for testing photoelectric conversion efficiency, which further comprises the following steps:
the material of the laser battery 4 is replaceable; adjusting the directions of the iris diaphragm 3 and the five-dimensional adjusting frame 8, wherein the size of a laser spot emitted by the laser 1 is equal to that of the laser battery 4, the center of the laser spot emitted by the laser 1 coincides with that of the laser battery 4, and a laser beam of the laser 1 is vertically incident on a photosensitive surface of the laser battery 4; detecting a fifth optical power transmitted by the laser beam through the iris 3 by using an optical power meter, and measuring the size of the laser battery 4; obtaining a fifth optical power density of the laser 1 incident to the laser cell 4 according to a ratio of the fifth optical power to the size of the laser cell 4; detecting a sixth output power of the laser battery 4 by the photovoltaic tester 5; and obtaining the change relation between the photoelectric conversion efficiency of the laser battery 4 and the material of the laser battery 4 through the ratio of the sixth output power of the laser battery 4 to the fifth optical power.
EXAMPLE seven
The embodiment of the invention provides a method for testing photoelectric conversion efficiency, which further comprises the following steps:
adjusting the laser beam wavelength of the laser 1; adjusting the directions of the iris diaphragm 3 and the five-dimensional adjusting frame 8, wherein the size of a laser spot emitted by the laser 1 is equal to that of the laser battery 4, the center of the laser spot emitted by the laser 1 coincides with that of the laser battery 4, and a laser beam of the laser 1 is vertically incident on a photosensitive surface of the laser battery 4; detecting a sixth optical power transmitted by the laser beam through the iris 3 by using an optical power meter, and measuring the size of the laser battery 4; obtaining a sixth optical power density of the laser 1 incident to the laser cell 4 according to a ratio of the sixth optical power to the size of the laser cell 4; detecting a seventh output power of the laser battery 4 by the photovoltaic tester 5; and obtaining the change relation between the photoelectric conversion efficiency of the laser battery 4 and the wavelength of the laser beam of the laser 1 according to the ratio of the seventh output power of the laser battery 4 to the sixth optical power.
The technical scheme provided in the embodiment of the application at least has the following technical effects or advantages:
1. the embodiment of the invention provides a photoelectric conversion efficiency testing device, which comprises: a laser emitting a laser beam; the beam expander receives the laser beam emitted by the laser, and the beam expander converts the laser beam into a divergent beam and then sends the divergent beam; the variable diaphragm receives the divergent light beam of the beam expander, and the variable diaphragm adjusts the divergent light beam into an incident light beam with a preset aperture and transmits the incident light beam; the laser battery receives the incident beam of the iris diaphragm, and the laser spot size of the incident beam is the same as the size of the laser battery; wherein the beam expander, the iris diaphragm and the laser battery are arranged on a laser main shaft of the laser beam. The technical problems that in the prior art, laser energy transmission and conversion needs a transmitting and receiving device, so that free adjustment cannot be performed according to the size of a photocell and the structure is complex are solved, the structure is simple, the functions are complete, the change relation of the photoelectric conversion efficiency of the laser battery along with the power density, the temperature, the deflection angle, the photocell material and the laser wavelength can be measured simultaneously, important basis is provided for optimizing the contents of the laser battery material, the laser wavelength, the working temperature of the laser battery and the like, and the cost is low are solved.
2. According to the invention, through a thermoelectric refrigerator, a refrigerating surface of the thermoelectric refrigerator is connected with the laser battery; and the five-dimensional adjusting frame is provided with the thermoelectric refrigerator and the laser battery. The technical problems that in the prior art, laser energy transmission and conversion needs a transmitting and receiving device, so that free adjustment cannot be performed according to the size of a photocell, and the structure is complex are solved, the change relation between the temperature and the deflection angle of a laser battery and the photoelectric conversion efficiency of the laser battery can be obtained by adjusting the temperature and the deflection angle of the laser battery, and the technical effects of providing important basis for optimizing the material of the laser battery, the wavelength of a laser, the working temperature of the laser battery and the like and having simple structure are achieved.
3. According to the invention, a photovoltaic tester is connected with the laser battery through an electric signal; the thermoelectric refrigerator controller is connected with the thermoelectric refrigerator through an electric signal. The technical problems that in the prior art, laser energy transmission and conversion needs a transmitting and receiving device, so that free adjustment cannot be carried out according to the size of a photocell and the structure is complex are solved, and the technical effect that the change relation of the photoelectric conversion efficiency of the laser cell along with the power, the temperature and the deflection angle can be detected simultaneously is further achieved.
4. The embodiment of the invention provides a method for testing photoelectric conversion efficiency, which comprises the following steps: adjusting the directions of the iris diaphragm and the five-dimensional adjusting frame, wherein the size of a laser spot emitted by a laser is equal to that of a laser battery, and the center of the laser spot emitted by the laser is superposed with that of the laser battery, so that a laser beam of the laser is vertically incident on a photosensitive surface of the laser battery; detecting the first optical power transmitted by the laser beam through the iris diaphragm, and measuring the size of the laser battery; obtaining a first optical power density of the laser incident to the laser battery through the ratio of the first optical power to the size of the laser battery; detecting a first output power of the laser battery through the photovoltaic tester; and obtaining the photoelectric conversion efficiency of the laser battery through the ratio of the first output power of the laser battery to the first optical power. The technical problems that in the prior art, laser energy transmission and conversion need a transmitting and receiving device, so that free adjustment cannot be carried out according to the size of a photocell and the structure is complex are solved, the technical effects that the functions are complete and the change relation of the photoelectric conversion efficiency of the laser cell along with the power density can be measured are achieved.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (6)
1. A method for testing photoelectric conversion efficiency is characterized by comprising the following steps:
adjusting the directions of the iris diaphragm and the five-dimensional adjusting frame, wherein the size of a laser spot emitted by a laser is equal to that of a laser battery, and the center of the laser spot emitted by the laser is superposed with that of the laser battery, so that a laser beam of the laser is vertically incident on a photosensitive surface of the laser battery;
detecting the first optical power transmitted by the laser beam through the iris diaphragm, and measuring the size of the laser battery;
obtaining a first optical power density of the laser incident to the laser battery through the ratio of the first optical power to the size of the laser battery;
detecting first output power of the laser battery through a photovoltaic tester;
and obtaining the photoelectric conversion efficiency of the laser battery through the ratio of the first output power of the laser battery to the first optical power.
2. The photoelectric conversion efficiency test method according to claim 1, further comprising:
the laser beam of the laser has a second output power;
adjusting second output power of a laser beam of the laser, and detecting second optical power transmitted by the laser beam through the iris diaphragm to obtain second optical power density of the laser battery;
detecting a third output power change value of the laser battery through the photovoltaic tester;
and obtaining the change relation between the photoelectric conversion efficiency of the laser battery and the second optical power density of the laser battery through the ratio of the third output power change value of the laser battery to the second optical power.
3. The photoelectric conversion efficiency test method according to claim 1, further comprising:
controlling the temperature of the thermoelectric refrigerator by adjusting a thermoelectric refrigerator controller;
controlling the temperature of the laser battery through the thermoelectric refrigerator;
detecting a third optical power transmitted by the laser beam through the iris diaphragm, and measuring the size of the laser battery;
obtaining a third optical power density of the laser incident to the laser battery through the ratio of the third optical power to the size of the laser battery;
detecting fourth output power of the laser battery through the photovoltaic tester;
and obtaining the change relation between the photoelectric conversion efficiency of the laser battery and the temperature of the laser battery through the ratio of the fourth output power of the laser battery to the third optical power.
4. The photoelectric conversion efficiency test method according to claim 1, further comprising:
adjusting the azimuth deflection angle and the pitching deflection angle of the five-dimensional adjusting frame;
controlling the deflection angle of the laser battery through the five-dimensional adjusting frame;
detecting fourth optical power transmitted by the laser beam through the iris diaphragm, and measuring the size of the laser battery;
obtaining a fourth optical power density of the laser incident to the laser battery according to the ratio of the fourth optical power to the size of the laser battery;
detecting a fifth output power of the laser battery through the photovoltaic tester;
and obtaining the change relation between the photoelectric conversion efficiency of the laser battery and the deflection angle of the laser battery according to the ratio of the fifth output power to the fourth optical power of the laser battery.
5. The photoelectric conversion efficiency test method according to claim 1, further comprising:
the material of the laser battery is replaceable;
adjusting the directions of the iris diaphragm and the five-dimensional adjusting frame, wherein the size of a laser spot emitted by the laser is equal to that of the laser battery, and the center of the laser spot emitted by the laser is superposed with that of the laser battery, so that a laser beam of the laser is vertically incident on a photosensitive surface of the laser battery;
detecting the fifth optical power transmitted by the laser beam through the iris diaphragm, and measuring the size of the laser battery;
obtaining a fifth optical power density of the laser incident to the laser battery through the ratio of the fifth optical power to the size of the laser battery;
detecting a sixth output power of the laser battery through the photovoltaic tester;
and obtaining the change relation between the photoelectric conversion efficiency of the laser battery and the material of the laser battery through the ratio of the sixth output power of the laser battery to the fifth optical power.
6. The photoelectric conversion efficiency test method according to claim 1, further comprising:
adjusting the laser beam wavelength of the laser;
adjusting the directions of the iris diaphragm and the five-dimensional adjusting frame, wherein the size of a laser spot emitted by the laser is equal to that of the laser battery, and the center of the laser spot emitted by the laser is superposed with that of the laser battery, so that a laser beam of the laser is vertically incident on a photosensitive surface of the laser battery;
detecting the sixth optical power transmitted by the laser beam through the iris diaphragm, and measuring the size of the laser battery;
obtaining a sixth optical power density of the laser incident to the laser cell according to the ratio of the sixth optical power to the size of the laser cell;
detecting a seventh output power of the laser battery through the photovoltaic tester;
and obtaining the change relation between the photoelectric conversion efficiency of the laser battery and the wavelength of the laser beam of the laser through the ratio of the seventh output power of the laser battery to the sixth optical power.
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