阅读说明：本技术 一种太阳能板功率检测方法及检测设备 (Solar panel power detection method and detection equipment ) 是由 杨磊 杨刚 魏磊祥 于 2019-05-22 设计创作，主要内容包括：本发明提供一种太阳能板功率检测设备及检测方法,该太阳能板功率检测设备包括模拟光源以及检测电路,其中：所述模拟光源用于照射太阳能板以模拟日光；所述检测电路用于连接在所述太阳能板的输出端以检测所述太阳能板的实际输出电流I<Sub>1</Sub>和/或实际输出电压U<Sub>1</Sub>,并根据检测结果判断所述太阳能板的实际输出功率P<Sub>1</Sub>是否合格。该太阳能板功率检测设备采用的光源发光稳定,且灯光效果更接近实际阳光。设备结构简单,使用方便,且体积较小,便于携带,可有效地检测出太阳能板存在的缺陷。(The invention provides a solar panel power detection device and a detection method, wherein the solar panel power detection device comprises an analog light source and a detection circuit, wherein: the simulation light source is used for irradiating the solar panel to simulate sunlight; the detection circuit is used for being connected with the output end of the solar panel to detect the actual output current I of the solar panel 1 And/or the actual output voltage U 1 And judging the actual output power P of the solar panel according to the detection result 1 And (4) whether the product is qualified. The light source that this solar panel power check out test set adopted is luminous stable, and the light effect more is close actual sunshine. The device has the advantages of simple structure, convenient use, small volume and convenient carrying, and can effectively detect the defects of the solar panel.)

1. A method for detecting the power of a solar panel comprises the following steps:

illuminating a solar panel by using a simulation light source to simulate sunlight, wherein the distance between the simulation light source and the solar panel is h;

connecting the detection circuit with the solar panel, and detecting the actual output current I of the solar panel at the interval₁；

According to the actual output current I measured by the detection circuit₁And the standard output current I of the solar panel at the interval₂Judging whether the solar panel is qualified or not;

alternatively, the first and second electrodes may be,

illuminating a solar panel by using a simulation light source to simulate sunlight, wherein the distance between the simulation light source and the solar panel is h;

connecting the detection circuit with the solar panel, and detecting the actual output current I of the solar panel at the interval₁And the actual output voltage U₁；

According to the actual output current I measured by the detection circuit₁And the actual output voltage U₁Calculating the actual output power P of the solar panel at the interval₁According to the actual output power P₁And the standard output power P of the solar panel at the interval₂And judging whether the solar panel is qualified or not.

2. The method for detecting the power of the solar panel according to claim 1, wherein the step of determining whether the solar panel is qualified specifically comprises the steps of:

according to the standard output current I of the solar panel under the interval h₂Setting a critical off-spec output current I₃And under the interval h, the actual output current I of the solar panel measured by the detection circuit₁And the critical off-grade output current I₃By contrast, if the current I is actually output₁Is less thanCritical off-specification output current I₃Judging that the solar panel is unqualified, otherwise, judging that the solar panel is unqualified;

alternatively, the first and second electrodes may be,

according to the standard output power P of the solar panel at the interval h₂Setting a critical disqualified output power P₃And under the interval h, the actual output power P of the solar panel measured and calculated by the detection circuit is used₁And the critical disqualified output power P₃By contrast, if the actual output power P is₁Less than the critical disqualified output power P₃And judging that the solar panel is unqualified, otherwise, judging that the solar panel is unqualified.

3. The method for detecting solar panel power according to claim 1 or 2, wherein the distance h is calculated by the following formula:

h＝a·b·S·P/P₂

wherein a is a conversion constant, b is a conversion constant, P is the power of the simulated light source, S is the irradiation area of the solar panel, P is the conversion constant₂The standard output power of the solar panel.

4. The method of claim 2, wherein the critical off-spec output power P is₃And the standard output power P₂The ratio between is 0.3 to 0.8.

5. The solar panel power detection method of claim 2, wherein the critical fail output current I₃The acquisition process comprises the following steps:

(1) connecting the detection circuit to a standard solar panel; and illuminating the standard solar panel using the simulated light source;

(2) measuring the standard output current I of the standard solar panel at the interval h by using the detection circuit₂；

(3) Calculating critical disqualified output current I₃The calculation formula is as follows:

wherein, I₂Is the standard output current, P, of the standard solar panel under the simulated light source₂Is the standard output power, P, of the standard solar panel under the simulated light source₃And the critical unqualified power of the standard solar panel under the simulated light source is obtained.

6. The method for detecting the power of the solar panel according to claim 1, wherein before the solar panel is tested, the simulation light source is started and waits for a first predetermined time to stabilize the illumination of the simulation light source; the first preset time is 3-10 min.

7. The method for detecting the power of the solar panel according to claim 1, wherein during the process of testing the solar panel, the irradiation time of the solar panel by the simulated light source is greater than or equal to a second predetermined time, so that the actual output power of the solar panel is stable; the second predetermined time is 3-10 s.

8. A solar panel power detection apparatus for implementing the solar panel power detection method of any one of claims 1 to 7, comprising an analog light source and a detection circuit, wherein:

the simulation light source is used for irradiating the solar panel to simulate sunlight;

the detection circuit is used for being connected with the output end of the solar panel to detect the actual output current I of the solar panel₁And/or the actual output voltage U₁；

The simulated light source and the space h between the placing positions of the solar panel are as follows:

h＝a·b·S·P/P₂

wherein a is a conversion constant, b is a conversion constant, and P is the simulated lightThe power of the source, S is the irradiation area of the solar panel, P₂The standard output power of the solar panel.

9. The solar panel power detection apparatus of claim 8, wherein the analog light source comprises a tungsten-iodine lamp.

10. The solar panel power detection apparatus according to claim 8, wherein the detection circuit comprises a load resistor, a current detection device and two terminals; the load resistor and the current detection device are connected between the two wiring terminals in series; two binding post be used for respectively with two output of solar panel connects, load resistance's resistance value is adjustable.

11. The solar panel power detection apparatus of claim 10, wherein the current detection device comprises a prompt module; the prompting module is used for judging and displaying whether the output power of the solar panel meets the requirement or not according to the detection result of the current detection device.

12. The solar panel power detection apparatus according to claim 8, wherein the detection circuit comprises a load resistor, a current detection device, a voltage detection device and two terminals; the load resistor and the current detection device are connected between the two wiring terminals in series; the voltage detection device is connected in parallel at two ends of the load resistor; two binding post be used for respectively with two output of solar panel connects, load resistance's resistance value is adjustable.

13. The solar panel power detection apparatus of claim 12, wherein the detection circuit further comprises a prompt module; the prompting module is used for calculating the solar panel according to the detection results of the current detection device and the voltage electric detection deviceActual output power P₁And according to the actual output power P₁Judging and displaying the actual output power P of the solar panel₁Whether the requirements are met.

Technical Field

The invention relates to a solar panel detection device, in particular to a solar panel power detection method and detection equipment.

Background

The shared bicycle is widely applied to short-distance travel at present. The basket of current sharing bicycle is furnished with solar panel and charges for intelligent hardware. Over time, factors such as artificial damage, natural loss, etc. inevitably affect the power of the solar panel. The solar panel with low partial power causes that the shared bicycle is charged slowly or cannot be charged, and finally, the electric quantity is insufficient and lost, so that a user cannot use a mobile phone to scan codes, and great harm is caused to the user and enterprises.

The special voltage-stabilizing light source large-scale equipment and the load instrument in a solar panel factory can detect the power of the solar panel, but the manufacturing cost is high and the carrying is inconvenient, so that the existing detection equipment is difficult to be used for field maintenance of a shared bicycle.

Disclosure of Invention

The invention aims to provide a method and equipment for detecting the power of a solar panel according to the defects of the prior art.

The purpose of the invention is realized by the following technical scheme:

a method for detecting the power of a solar panel comprises the following steps:

illuminating a solar panel by using a simulation light source to simulate sunlight, wherein the distance between the simulation light source and the solar panel is h;

connecting the detection circuit with the solar panel, and detecting the actual output current I of the solar panel at the interval₁；

According to the actual output current I measured by the detection circuit₁And the standard output current I of the solar panel at the interval₂Judging whether the solar panel is qualified or not;

alternatively, the first and second electrodes may be,

illuminating a solar panel by using a simulation light source to simulate sunlight, wherein the distance between the simulation light source and the solar panel is h;

connecting the detection circuit with the solar panel, and detecting the actual output current I of the solar panel at the interval₁And the actual output voltage U₁；

According to the actual output current I measured by the detection circuit₁And the actual output voltage U₁Calculating the actual output power P of the solar panel at the interval₁According to the actual output power P₁And the standard output power P of the solar panel at the interval₂And judging whether the solar panel is qualified or not.

The invention has the further improvement that the step of judging whether the solar panel is qualified specifically comprises the following steps:

according to the standard output current I of the solar panel under the interval h₂Setting a critical off-spec output current I₃And under the interval h, the actual output current I of the solar panel measured by the detection circuit₁And the critical off-grade output current I₃By contrast, if the current I is actually output₁Less than the critical off-grade output current I₃And judging that the solar panel is unqualified, otherwise, judging that the solar panel is unqualified.

Alternatively, the first and second electrodes may be,

according to the standard output power P of the solar panel at the interval h₂Setting a critical disqualified output power P₃And under the interval h, the actual output power P of the solar panel measured and calculated by the detection circuit is used₁And the critical disqualified output power P₃By contrast, if the actual output power P is₁Less than the critical disqualified output power P₃And judging that the solar panel is unqualified, otherwise, judging that the solar panel is unqualified.

A further development of the invention consists in that the spacing h (in m) is calculated by the following formula:

h＝a·b·S·P/P₂

wherein, a is a conversion constant, preferably a is approximately equal to 0.34, b is a conversion constant, preferably b is approximately equal to 12.26%, and the conversion rate of the solar panel industry is 10% -15%; p is the power of the simulated light source, and the unit W and S are the irradiation area of the solar panel and the unit m²，P₂The unit W is typically set to 6.5W for the standard output power of the solar panel.

A further development of the invention is that the critical fault output power P₃And the standard output power P₂The ratio between is 0.3 to 0.8.

A further development of the invention is that the critical fail output current I₃The acquisition process comprises the following steps:

(1) connecting the detection circuit to a standard solar panel; and illuminating the standard solar panel using the simulated light source;

(2) using said detectionThe circuit measures the standard output current I of the standard solar panel at the interval h₂；

(3) Calculating critical disqualified output current I₃The calculation formula is as follows:

wherein, I₂Is the standard output current, P, of the standard solar panel under the simulated light source₂Is the standard output power, P, of the standard solar panel under the simulated light source₃And the critical unqualified power of the standard solar panel under the simulated light source is obtained.

The invention has the further improvement that before the solar panel is tested, the simulation light source is started, and the first preset time is waited, so that the illumination of the simulation light source is stable; the first preset time is 3-10 min.

The invention has the further improvement that in the process of testing the solar panel, the irradiation time of the solar panel by the simulation light source is more than or equal to a second preset time, so that the actual output power of the solar panel is stable; the second predetermined time is 3-10 s.

A solar panel power detection device, comprising an analog light source and a detection circuit, wherein:

the simulation light source is used for irradiating the solar panel to simulate sunlight;

the detection circuit is used for being connected with the output end of the solar panel to detect the actual output current I of the solar panel₁And/or the actual output voltage U₁；

The simulated light source and the space h between the placing positions of the solar panel are as follows:

h＝a·b·S·P/P₂

wherein, a is a conversion constant, preferably a is approximately equal to 0.34, b is a conversion constant, preferably b is approximately equal to 12.26%, and the conversion rate of the solar panel industry is 10% -15%; p is the power of the analog light source, and S is the power of the analog light sourceIrradiation area of solar panel, unit m²，P₂The standard output power of the solar panel is usually set to 6.5W.

A further development of the invention is that the analogue light source comprises a tungsten-iodine lamp.

The invention is further improved in that the detection circuit comprises a load resistor, a current detection device and two wiring terminals; the load resistor and the current detection device are connected between the two wiring terminals in series; two binding post be used for respectively with two output of solar panel connects, load resistance's resistance value is adjustable.

In a further development of the invention, the current detection device comprises a prompting module; the prompting module is used for judging and displaying whether the output power of the solar panel meets the requirement or not according to the detection result of the current detection device.

The invention is further improved in that the detection circuit comprises a load resistor, a current detection device, a voltage detection device and two wiring terminals; the load resistor and the current detection device are connected between the two wiring terminals in series; the voltage detection device is connected in parallel at two ends of the load resistor; two binding post be used for respectively with two output of solar panel connects, load resistance's resistance value is adjustable.

In a further improvement of the present invention, the detection circuit further comprises a prompt module; the prompting module is used for calculating the actual output power P of the solar panel according to the detection results of the current detection device and the voltage electric detection device₁And according to the actual output power P₁Judging and displaying the actual output power P of the solar panel₁Whether the requirements are met.

The invention has the beneficial effects that: the adopted light source is stable in light emitting, and the light effect is closer to actual sunlight. The equipment has simple structure, convenient use, small volume and convenient carrying. The defects of the solar panel can be effectively monitored.

Drawings

FIG. 1 is a schematic view of a solar panel power detection apparatus in embodiment 1;

fig. 2 is a schematic view of a solar panel power detection apparatus in embodiment 2.

The reference numbers are as follows:

1 an analog light source, 2 a detection circuit, 3 a solar panel, 4 a load resistor, 5 a current detection device,

6 prompt module, 7 plummer, 8 voltage detection device.

Detailed Description

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.