CN217655470U - Constant temperature control system of solar cell standard piece - Google Patents
Constant temperature control system of solar cell standard piece Download PDFInfo
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- CN217655470U CN217655470U CN202221504060.3U CN202221504060U CN217655470U CN 217655470 U CN217655470 U CN 217655470U CN 202221504060 U CN202221504060 U CN 202221504060U CN 217655470 U CN217655470 U CN 217655470U
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- 239000004065 semiconductor Substances 0.000 claims abstract description 35
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- 238000012360 testing method Methods 0.000 description 6
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- 230000017525 heat dissipation Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
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- 238000007906 compression Methods 0.000 description 3
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- 238000012423 maintenance Methods 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
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- 230000006903 response to temperature Effects 0.000 description 1
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Abstract
The utility model provides a constant temperature control system of solar cell standard piece relates to solar energy technical field, can realize the refrigeration of solar cell standard piece, heat through the semiconductor refrigeration piece to realize the thermostatic control of solar cell standard piece. The system comprises a solar cell label box, a semiconductor refrigerating piece, a radiating fin, a fan and a temperature control circuit board; the solar cell tag box is arranged adjacent to the semiconductor refrigerating piece; the temperature control circuit board is connected with the semiconductor refrigerating sheet in a bidirectional control manner; the solar cell sign box is internally provided with a temperature acquisition device, and the temperature acquisition device is connected with the temperature control circuit board.
Description
Technical Field
The utility model relates to a solar energy technical field especially relates to a constant temperature control system of solar cell standard piece.
Background
Solar production enterprises generally need to perform performance test on solar cells produced by the solar production enterprises, the performance data after the test is taken as the basis for delivery, and a standard solar cell sheet is needed to be used for calibrating the solar cells to be tested during the test.
The traditional solar cell standard sheet has various unstable factors, for example, different environmental temperatures can cause output inconsistency, so that the measured performance data of the cell sheet has errors, and the test result is not accurate enough. Therefore, the environmental temperature of the standard solar cell sheet needs to be unified.
Conventional temperature control techniques often involve heating and cooling. The heating scheme generally adopts a method of converting electric energy or chemical energy into heat energy, and then uses different cooling methods such as air cooling, water cooling, compression refrigeration and the like for different situations. However, the temperature control mode generally needs condensing agents, especially chemical condensing agents can cause environmental pollution, the volume and the weight of instruments are large, and the compression refrigeration has the problems of vibration and noise in different degrees.
Accordingly, there is a need to develop a new thermostatic control system for standard solar cell sheets that addresses the deficiencies of the prior art to solve or mitigate one or more of the problems set forth above.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a constant temperature control system of solar wafer can realize through the semiconductor refrigeration piece that solar wafer operational environment's refrigeration, heat to realize constant temperature work.
The utility model provides a constant temperature control system of a solar cell standard plate, which is characterized in that the system comprises a solar cell standard plate box, a semiconductor refrigeration plate, a radiating fin, a fan, a temperature control circuit board and a light intensity voltage acquisition device connected with the solar cell standard plate box;
the solar cell tag box is arranged adjacent to the semiconductor refrigerating piece; the temperature control circuit board is connected with the semiconductor refrigerating sheet in a bidirectional control manner;
a temperature acquisition device is arranged in the solar cell slide box and connected with the temperature control circuit board;
the radiating fin with the fan with the semiconductor refrigeration piece is adjacent to be set up, just the radiating fin with the fan all with accuse temperature circuit board is connected.
The above aspects and any possible implementation manners further provide an implementation manner, where the solar cell cassette includes a cassette body, a cassette circuit board, an optical filter, and calibrated solar cells;
the box body is of an upper opening structure, and the optical filter is fixedly arranged at the opening of the box body;
the circuit board of the title box is arranged in the box body, the solar cell is arranged between the optical filter and the circuit board of the title box, and the solar cell is connected with the circuit board of the title box.
In one embodiment, the temperature acquisition device is disposed on the circuit board of the reticle cassette.
There is further provided in accordance with the above-mentioned aspect and any possible implementation form a temperature acquisition device that is a thermistor.
The above aspects and any possible implementations further provide an implementation in which the optical filter is an anti-reflection glass sheet.
The above aspect and any possible implementation manner further provide an implementation manner, where the patch box circuit board includes an amplifier, and the amplifier is connected to the solar cell and the light intensity and voltage collecting device, respectively.
The above-described aspects and any possible implementation further provide an implementation, and the light intensity and voltage collecting device is a six-bit half multimeter.
The above aspects, and any possible implementations, further provide an implementation,
the temperature control circuit board comprises a main control module, a power supply module, a semiconductor refrigeration module and a communication module;
the power supply module is connected with the main control module;
the semiconductor refrigeration module and the communication module are connected with the main control module.
In the aspect and any possible implementation manner described above, an implementation manner is further provided, and the system further includes an upper computer, and the upper computer is connected to the temperature control circuit board.
In the aspect and any possible implementation manner described above, an implementation manner is further provided, and the system further includes an upper computer, and the upper computer is connected to the light intensity and voltage collecting device.
Compared with the prior art, the utility model has the advantages of as follows or beneficial effect: compared with conventional vapor compression refrigeration, semiconductor refrigeration has significant advantages: condensing agents are not needed, environmental pollution is avoided, the size and the weight of the instrument can be saved, no vibration or noise is generated, and the maintenance is convenient and reliable;
another technical scheme in the above technical scheme has the following advantages or beneficial effects: the utility model can change the working current direction by connecting the power lines in the positive and negative directions, thereby controlling the refrigeration piece to achieve two different purposes of heating or cooling; the refrigerating and heating speed is high, the temperature change speed can be controlled by adjusting the working voltage, and the control is simple and reliable;
another technical scheme in the above technical scheme has the following advantages or beneficial effects: the utility model discloses can use the conventional power among the daily life, operating voltage and electric current can be adjusted at the within range, and the refrigeration difference in temperature of semiconductor can reach 20-150 degrees, has the big advantage of accuse temperature scope.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a solar cell slide box according to an embodiment of the present invention;
fig. 2 is a structural diagram of a constant temperature control system of a solar cell standard sheet according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a constant temperature control system for a standard solar cell sheet according to an embodiment of the present invention;
fig. 4 is a schematic block diagram of a temperature control circuit board according to an embodiment of the present invention.
Wherein, in the figure:
1. an optical filter; 2. a housing; 3. a slide box circuit board; 4. a base plate; 5. a first hole; 6. a second hole; 7. a solar cell tab cartridge; 8. a semiconductor refrigeration sheet; 9. a heat sink; 10. a fan; 11. temperature control circuit board.
Detailed Description
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some, and not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. "first", "second" and "third" are merely descriptive references made for distinction. It should also be understood that the term "and/or" as used herein is merely one type of associative relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The utility model aims at solving the inaccurate nature of solar wafer standard piece waiting when testing for solar wafer can make ambient temperature unified when the test, measures data more accurately, reachs more accurate experimental result. Compared with the common standard solar cell piece, the aluminum alloy shell adopted by the product has the advantages of good processing performance, good corrosion resistance, high toughness, no deformation after processing and the like, and after the processing is finished, the surface is subjected to insulation treatment and is sprayed with black paint to improve the oxidation resistance and corrosion resistance of the solar cell piece.
The solar cell cassette 7, as shown in fig. 1, includes a bottom plate 4 at the bottom, a cassette circuit board 3 disposed on the bottom plate, a housing 2, and a filter 1. The shell 2 is sleeved on the periphery of the circuit board 3, the bottom of the shell is connected with the bottom plate 4, and the top of the shell is provided with the optical filter 1. The calibrated solar cell is arranged above the circuit board 3 of the reticle box and below the optical filter 1. When the solar cell is used, the solar cell is electrically connected with the circuit board.
In one embodiment of the present invention, the slide cassette circuit board comprises a pt100 thermistor and an amplifier. The amplifier is connected with the solar cell and used for amplifying the electric signal generated by the solar cell under illumination and then transmitting the electric signal to subsequent equipment for reading and processing. Thermistors are used primarily for monitoring ambient temperature.
Specifically, the optical filter 1 may be a glass plate, and mainly functions to filter light. The utility model discloses the material of well shell 2 and bottom plate 4 is the aluminum alloy material, and the outside processing of insulating and spraying paint that has carried out.
More specifically, one end of the bottom plate 4 is provided with a junction block, which is provided with two via holes, a first hole 5 and a second hole 6. After the bottom plate and the shell are assembled, fine via holes are formed in the positions, corresponding to the first hole 5 and the second hole 6, of the shell. The two groups of wires are respectively connected with the thermistor and the amplifier through a first hole 5 and a second hole 6. One group of wires is used for leading out a measuring signal of the thermistor, and the other group of wires is used for transmitting an optical-to-electrical signal of the solar cell amplified by the amplifier. The light-to-electric signal is a voltage signal obtained by converting light energy into electric energy. The supply lines required for the normal operation of the cassette circuit board 3 can likewise be provided and connected via one of the two vias described above.
As shown in fig. 2, the thermostatic control system of the solar cell standard plate of the present invention mainly includes 5 parts, the uppermost part is a solar cell standard plate box 7 (7 in the figure), the lower part is a semiconductor refrigeration plate (8 in the figure), the lower part of the semiconductor refrigeration plate is a heat sink (9 in the figure), and a fan is provided to facilitate internal heat dissipation (10 in the figure), when the refrigeration plate heats and raises the temperature, the internal temperature will rise, and the heat remained in the temperature control box can not be blown away completely when refrigeration is needed again, so a fan is needed to perform internal heat dissipation, and a temperature control circuit board (11 in the figure) of the semiconductor refrigeration plate is provided beside the fan to control the refrigeration or heat dissipation of the semiconductor refrigeration plate. The utility model discloses can change the current direction of work through the mode of reversal power cord to the operating condition of control semiconductor refrigeration piece, in order to reach the purpose of intensification or cooling two kinds of differences, the inside module of accuse temperature circuit board is connected as shown in figure 4, divide into four modules: the system comprises a main control module, a power supply module, a semiconductor refrigeration module and a communication module. The working process is as shown in a flow chart of fig. 3, the power supply module supplies power to each module to work, the communication module mainly comprises an upper computer and a singlechip for communication and sending instructions, the main control module connects and replies the semiconductor refrigeration sheet and the communication module through the singlechip, a temperature chip is arranged for sensing the internal temperature of the temperature control box and then is controlled by the upper computer, and when the temperature is lower than or higher than a set temperature, the temperature is raised or lowered; the semiconductor refrigerating sheet has sensitive response to temperature adjustment, the refrigerating and heating speeds can be controlled by the working voltage, and the semiconductor refrigerating sheet is simple to operate, small in size and portable; the conventional power supply in daily life can be used, and the working voltage and current can be adjusted within a range; the refrigeration temperature difference can reach 20-150 degrees, and the like.
The working principle of the semiconductor refrigerating plate is that after two ends of the TEC semiconductor refrigerating plate are connected with the temperature control circuit board, the TEC semiconductor refrigerating plate is electrified through a power supply with voltage lower than 12V and current lower than 6A, the temperature control surface absorbs heat when the TEC semiconductor refrigerating plate is electrified to work in a forward current, the purpose of temperature rise is achieved, and the heat dissipation surface dissipates heat to achieve the purpose of refrigeration; when the two connecting wires are reversely connected, the current directions are opposite, the temperature control surface emits heat to achieve the purpose of refrigeration, and the heat radiation surface absorbs heat to achieve the purpose of temperature rise. In the whole working process, the semiconductor refrigeration piece is equivalent to a hot box, and the absorption and the dissipation of heat can cause the temperature change, so that the semiconductor refrigeration piece can be used for achieving the purpose of temperature control.
The utility model discloses a test method is: the solar cell patch box is firstly built up according to the structure shown in figure 1, then the solar cell is irradiated by simulated solar illumination, at the moment, the illumination passes through the optical filter 1 of the patch box and irradiates on the solar cell and a circuit board connected with the solar cell, a readable voltage signal is converted by an internal amplifier, and then the readable voltage signal is connected to a six-bit half-multimeter by a three-wire system method to read the light intensity voltage.
Meanwhile, the temperature control circuit board is connected with the thermistor, the ambient temperature in the solar cell patch box is collected in real time, and the CPU in the temperature control circuit board judges whether the ambient temperature is within a preset ambient temperature range; if so, not performing the operation; if not, judging whether the current environment temperature is higher than the preset environment temperature range or lower than the preset environment temperature range; if high, cooling is performed, and if low, heating is performed to raise the temperature, so that the test environment is at the same temperature.
In this embodiment, the thermostatic control system still includes the host computer, and the host computer is connected with accuse temperature circuit board and six half universal meters, is used for on the one hand resetting with predetermineeing the ambient temperature scope, and on the other hand is used for reading the current data of accuse temperature circuit board and shows, stores, handles such as analysis, for example current ambient temperature, the current ambient temperature scope of predetermineeing and the real-time light intensity voltage etc. of reading.
The above description of the embodiments is only for the purpose of helping to understand the method of the present application and its core ideas; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A constant temperature control system of a solar cell standard plate is characterized by comprising a solar cell standard plate box, a semiconductor refrigeration plate, a radiating fin, a fan and a temperature control circuit board;
the solar cell reticle box and the semiconductor refrigerating sheet are arranged adjacently; the temperature control circuit board is connected with the semiconductor refrigerating sheet in a bidirectional control manner;
a temperature acquisition device is arranged in the solar cell slide box and connected with the temperature control circuit board;
the radiating fin with the fan with the semiconductor refrigeration piece is adjacent to be set up, just the radiating fin with the fan all with accuse temperature circuit board is connected.
2. The constant temperature control system of the solar cell standard slice as claimed in claim 1, wherein the solar cell standard slice box comprises a box body, a standard slice box circuit board, an optical filter and calibrated solar cells;
the box body is of an upper opening structure, and the optical filter is fixedly arranged at the opening of the box body;
the circuit board of the label box is arranged in the box body, the solar cell is arranged between the optical filter and the circuit board of the label box, and the solar cell is connected with the circuit board of the label box.
3. The system of claim 2, wherein the temperature acquisition device is disposed on the circuit board of the cassette.
4. The constant temperature control system of a solar cell standard sheet as claimed in claim 3, wherein the temperature collecting device is a thermistor.
5. The system of claim 2, wherein the optical filter is a glass sheet.
6. The constant temperature control system of a solar cell standard plate as claimed in claim 3, wherein the standard plate box circuit board comprises an amplifier, and the amplifier is respectively connected with the solar cell plate and the light intensity and voltage acquisition device.
7. The constant temperature control system of solar battery standard plate according to claim 6, wherein the light intensity and voltage acquisition equipment is a six-bit half multimeter.
8. The constant temperature control system of the solar cell standard wafer according to claim 1, wherein the temperature control circuit board comprises a main control module, a power supply module, a semiconductor refrigeration module and a communication module;
the power supply module is connected with the main control module;
the semiconductor refrigeration module and the communication module are connected with the main control module.
9. The constant temperature control system of the solar cell standard sheet according to claim 1, further comprising an upper computer, wherein the upper computer is connected with the temperature control circuit board.
10. The constant temperature control system of the solar cell standard wafer according to claim 1, further comprising an upper computer, wherein the upper computer is connected with the light intensity and voltage acquisition device; the light intensity and voltage acquisition equipment is connected with the solar cell patch box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221504060.3U CN217655470U (en) | 2022-06-16 | 2022-06-16 | Constant temperature control system of solar cell standard piece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221504060.3U CN217655470U (en) | 2022-06-16 | 2022-06-16 | Constant temperature control system of solar cell standard piece |
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| CN217655470U true CN217655470U (en) | 2022-10-25 |
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| CN202221504060.3U Active CN217655470U (en) | 2022-06-16 | 2022-06-16 | Constant temperature control system of solar cell standard piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119739221A (en) * | 2024-11-05 | 2025-04-01 | 国网安徽省电力有限公司天长市供电公司 | Photovoltaic power generation cooling system and method |
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2022
- 2022-06-16 CN CN202221504060.3U patent/CN217655470U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119739221A (en) * | 2024-11-05 | 2025-04-01 | 国网安徽省电力有限公司天长市供电公司 | Photovoltaic power generation cooling system and method |
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