Photovoltaic module power testing device

Abstract

The utility model discloses a photovoltaic module power testing device which comprises a testing room, a testing support, an illumination device and a storage battery are arranged in the testing room, the storage battery is installed above the testing support, the illumination device is located in front of the testing support, and a heating assembly is arranged on the back face of the testing support. An air blowing fan is installed above the testing support, an air inlet of the air blowing fan is connected with air outside the testing room through an air inlet pipe, and an air outlet of the air blowing fan faces the storage battery. According to the utility model, the storage battery and the blowing fan are arranged on the test bracket, and the blowing fan can extract air outside the test room to blow and cool the storage battery, so that the service life of the storage battery is prolonged, the normal work of the storage battery is ensured, and the influence on the power test result of the photovoltaic module is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic components, in particular to a photovoltaic component power testing device. Background Art

[0002] Photovoltaic modules generally refer to solar cell modules and solar panels. Solar panels are the core and most important part of solar power generation systems. Their function is to convert solar energy into electrical energy, either to be stored in batteries or to drive loads.

[0003] Photovoltaic modules need to be tested for power before leaving the factory. The modules need to be installed on the bracket, exposed to light in a dark room, connected to the battery, and the output power of the modules needs to be tested. Because some photovoltaic modules need to work at high temperatures, some photovoltaic modules need to be tested for power at high temperatures, but high temperatures will affect the service life of the battery and the power test of the photovoltaic modules. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a photovoltaic module power testing device, which can test the power of the photovoltaic module at high temperature, reduce the temperature of the battery, and extend the service life of the battery.

[0005] To this end, the technical solution of the utility model is: a photovoltaic module power testing device, including a test room, in which a test bracket, a lighting device and a battery are provided, the battery is installed above the test bracket, the lighting device is located in front of the test bracket, and a heating assembly is provided on the back of the test bracket; a blower is installed above the test bracket, the air inlet of the blower is connected to the air outside the test room through an air inlet pipe, and the air outlet of the blower faces the battery.

[0006] On the basis of the above scheme and as a preferred scheme of the above scheme: the test bracket is provided with a fixed frame, and rotating shafts are fixed at both ends of the fixed frame, and the rotating shafts are rotatably installed on the test bracket; one side of the test bracket is provided with a motor, and the motor can drive the rotating shaft to rotate and adjust the angle of the fixed frame.

[0007] On the basis of the above scheme and as a preferred scheme of the above scheme: the fixed frame is provided with a base and an upper clamp, the upper clamp includes a clamp mounting seat, an adjusting screw and a clamping block, the adjusting screw is rotatably mounted on the clamp mounting seat, a handwheel is provided at the upper end of the adjusting screw, and a clamping block threadably matched with the adjusting screw is provided on the adjusting screw; the clamp mounting seat is provided with a slide groove, and the clamping block is slidably mounted on the slide groove.

[0008] On the basis of the above scheme and as a preferred scheme of the above scheme: the blower fan is located on the side of the battery, and the air outlet faces the battery.

[0009] On the basis of the above scheme and as a preferred scheme of the above scheme: a vent is provided on the test room, and an air inlet pipe of the blower fan is connected to the vent.

[0010] The power test of photovoltaic modules includes the following steps:

[0011] 1) Fix the photovoltaic module to be tested on the fixing frame of the test bracket, with the bottom of the photovoltaic module placed on the bottom bracket and the top fixed by the liftable upper clamp;

[0012] 2) Start the motor, which drives the shaft to rotate, so that the fixed frame drives the photovoltaic module to the test angle;

[0013] 3) Connect photovoltaic panels and batteries;

[0014] 4) The lighting equipment starts working, and the photovoltaic modules convert light energy into electrical energy under the action of light, which is stored in the battery;

[0015] 5) During the test, the heating component on the back of the test bracket starts to heat the photovoltaic module, so that the photovoltaic module performs output power testing in a high temperature environment;

[0016] 6) At the same time, the blower starts to work, and draws air from the outside of the test room to cool the battery. Because the heating plate is working, the temperature in the test room is much higher than the normal outdoor temperature, so the outdoor air can cool the battery.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. Install batteries and blowers on the test bracket. The blowers can draw air from the outside of the test room to cool down the batteries, thereby extending the service life of the batteries and ensuring the normal operation of the batteries to avoid affecting the power test results of the photovoltaic modules.

[0019] 2. A rotatable fixing frame is set on the test bracket, and the photovoltaic module is installed on the fixing frame. It can be driven by a motor to test the output power of the photovoltaic module at different angles.

[0020] 3. A liftable upper clamp is set on the fixed frame, and the height of the clamping block is adjusted by adjusting the screw to achieve power testing of photovoltaic panels of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings.

[0022] Figure 1 It is a top view of the structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the test bracket of the utility model;

[0024] Figure 3 It is a structural schematic diagram of the upper clamp of the utility model.

[0025] Marked in the figure are: test room 1, vent 11, test bracket 2, fixing frame 21, rotating shaft 22, motor 23, base 24, upper clamp 25, clamp mounting base 251, adjusting screw 252, clamping block 253, hand wheel 254, slide 255, lighting equipment 3, battery 4, blower fan 5, air inlet pipe 51, air outlet 52, photovoltaic module 6. DETAILED DESCRIPTION

[0026] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0028] See the attached drawings. The photovoltaic module power test device described in this embodiment includes a test room 1, in which a test bracket 2, an illumination device 3 and a battery 4 are arranged. The battery 4 is installed above the test bracket 2, and the illumination device 3 is located in front of the test bracket 2. A heating component (not shown in the figure) is arranged on the back of the test bracket 2. The heating component can use a common heating plate to heat the photovoltaic module 6 fixed on the test bracket 2; a blower 5 is installed above the test bracket 2, and a vent 11 is arranged on the test room 1. The air inlet of the blower 5 is connected to the vent 11 through an air inlet pipe 51, and is connected to the external air of the test room 1. The blower 5 is located on the side of the battery 4, and the air outlet 52 is directly facing the side of the battery 4.

[0029] The test bracket 2 is provided with a fixing frame 21, and a rotating shaft 22 is fixed at both ends of the fixing frame 21, and the rotating shaft 22 is rotatably installed on the test bracket 2; a motor 23 is installed on the side of the test bracket 2, and the output shaft of the motor 23 is connected to the rotating shaft 22 through a coupling. The motor 23 can drive the rotating shaft 22 to rotate, thereby adjusting the angle of the fixing frame 21, and finally adjusting the angle of the photovoltaic component 6 on the fixing frame.

[0030] The fixing frame 21 is provided with a bottom support 24 and an upper clamp 25, and the upper clamp 25 includes a clamp mounting seat 251, an adjusting screw 252 and a clamping block 253. The adjusting screw 252 is rotatably mounted on the clamp mounting seat 251 and passes through the through hole of the clamp mounting seat 251. A hand wheel 254 is provided on the upper end of the adjusting screw 252. A threaded hole is provided on the clamping block 253, which is threadedly matched with the adjusting screw 252. A slide groove 255 is provided on the clamp mounting seat 251, and the clamping block 253 is slidably mounted on the slide groove 255. The adjusting screw 252 can be driven to rotate by the hand wheel 254, and the adjusting screw 252 is matched with the threaded hole of the clamping block 253, so that the clamping block 253 can be driven to move up and down relative to the slide groove, thereby adapting to photovoltaic modules 6 of different specifications.

[0031] The power test of photovoltaic modules includes the following steps:

[0032] 1) Fix the photovoltaic module 6 to be tested on the fixing frame 21 of the test bracket 2, with the bottom of the photovoltaic module 6 placed on the bottom bracket 24 and the top fixed by the liftable upper clamp 25;

[0033] 2) Starting the motor 23, the motor 23 drives the rotating shaft 22 to rotate, so that the fixing frame 21 drives the photovoltaic assembly 6 to rotate to different test angles;

[0034] 3) Connecting the photovoltaic module 6 and the storage battery 4;

[0035] 4) The illumination device 3 starts to work, and the photovoltaic module 6 converts light energy into electrical energy under the action of light, and the electrical energy is stored in the storage battery 4;

[0036] 5) During the test, the heating plate on the back of the test bracket 2 starts to heat the photovoltaic module 6, so that the photovoltaic module 6 performs output power testing in a high temperature environment;

[0037] 6) At the same time, the blower fan 5 starts to work, and draws air from the outside of the test room 1 to cool the battery 4. Because the heating component is working, the temperature in the test room 1 is much higher than the normal outdoor temperature. Therefore, the outdoor air can cool the battery 4 to ensure the normal operation of the battery 4 and extend the service life of the battery.

[0038] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A photovoltaic module power test device, comprising a test room, wherein a test bracket, a lighting device and a battery are arranged in the test room, wherein the battery is installed above the test bracket, the lighting device is located in front of the test bracket, and a heating component is arranged on the back of the test bracket; characterized in that: A blower fan is installed above the test bracket, an air inlet of the blower fan is connected to the air outside the test room through an air inlet pipe, and an air outlet of the blower fan faces the battery.

2. A photovoltaic module power testing device as claimed in claim 1, characterized in that: The test bracket is provided with a fixing bracket, and rotating shafts are fixed at both ends of the fixing bracket, and the rotating shafts are rotatably mounted on the test bracket; a motor is provided on one side of the test bracket, and the motor can drive the rotating shaft to rotate and adjust the angle of the fixing bracket.

3. A photovoltaic module power testing device as claimed in claim 2, characterized in that: The fixing frame is provided with a bottom support and an upper clamp, the upper clamp comprises a clamp mounting seat, an adjusting screw and a clamping block, the adjusting screw is rotatably mounted on the clamp mounting seat, a hand wheel is provided at the upper end of the adjusting screw, and a clamping block threadably matched with the adjusting screw is provided on the adjusting screw; the clamp mounting seat is provided with a slide groove, and the clamping block is slidably mounted on the slide groove.

4. A photovoltaic module power testing device as claimed in claim 1, characterized in that: The blower fan is located at the side of the battery, and the air outlet faces the battery.

5. A photovoltaic module power testing device as claimed in claim 1, characterized in that: The test room is provided with a ventilating opening, and the air inlet pipe of the blower fan is connected with the ventilating opening.

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