CN201859578U - Experiment training device for solar photovoltaic power generation system - Google Patents

Abstract

The utility model discloses an experimental training device for a solar photovoltaic power generation system. The storage battery, the digital AC/DC voltage and ammeter, and the analog luminous flux meter for measurement and display, the working principle and process of each device described above are all led to the experimental table through its terminals, and various experimental circuits can be conveniently combined with plug-in wires. Through this device, students can flexibly build corresponding circuits according to teaching requirements, and understand the principles and characteristics of various parts of the entire solar power generation system in a targeted manner, establish a preliminary and intuitive understanding of the entire system, and promote theoretical knowledge. Understanding and mastering, while enhancing the hands-on ability, can effectively improve the teaching effect.

Description

Experimental training device for solar photovoltaic power generation system

technical field

The utility model belongs to an experimental teaching equipment, in particular to a device for carrying out experimental training for a solar photovoltaic power generation system.

Background technique

With the rapid development of the new energy industry, the lag in personnel training is becoming more and more prominent. Various colleges and vocational schools have opened related majors. During the teaching process, students need to learn about the photovoltaic characteristics of photovoltaic panels, load characteristics, and solar energy control. The working principle of the inverter, the working principle of the inverter, the grid connection of photovoltaic power generation and a series of related knowledge training and experiments, but there is no suitable experimental training device for auxiliary teaching, so that the whole training is too theoretical, Students can't establish an intuitive understanding, which makes the overall training effect poor.

Utility model content

In view of the above problems, the utility model provides an experimental training device for a solar photovoltaic power generation system, which can effectively solve the above existing problems and meet the needs of the entire teaching experiment and training.

The purpose of this utility model is to realize through the following technical solutions:

An experimental training device for a solar photovoltaic power generation system, comprising a test bench, on which a simulated light source, a simulated load, a solar panel, a DC stabilized power supply, a solar controller, an inverter, a storage battery and a Measure and display the digital AC and DC voltage and ammeter, analog luminous flux meter, the working principle and process of each device described above are all led to the experimental table through its terminals, and can be conveniently combined into various experimental circuits with plug-in wires.

Further, an oscilloscope is also installed on the test bench.

Particularly, the simulated light source is an incandescent light bulb connected with a dimming circuit.

In particular, the simulated load is an LED lamp.

In particular, the analog luminous flux meter is a digital ammeter calibrated according to the relationship between current and luminous flux.

In particular, on the panel of the test bench, each device is identified with its corresponding circuit symbol

Further, the test bench is equipped with casters for easy movement.

The experimental training device for the solar photovoltaic power generation system described in the utility model provides an experimental teaching device for the solar power generation system. Through the device, the students can flexibly build corresponding circuits according to the teaching requirements, and understand the whole solar energy system in a targeted manner. The principles and characteristics of each part of the power generation system establish a preliminary and intuitive understanding of the entire system, promote the understanding and mastery of theoretical knowledge, and at the same time enhance the hands-on ability, which can effectively improve the teaching effect.

Description of drawings

The utility model will be described in further detail below according to the accompanying drawings and embodiments.

Fig. 1 is a composition structure diagram of the experimental training device described in the utility model;

FIG. 2 is a side view of FIG. 1 .

In the picture:

1. Experiment bench; 2. Incandescent lamp; 3. Solar panel; 4. Dimming circuit; 5. AC voltmeter; 6. AC ammeter; 7. DC voltmeter; 8. DC ammeter; 9. Solar controller; 10. Battery; 11. DC voltage regulator circuit; 12. Off-grid inverter; 13. Grid-connected inverter; 14. Oscilloscope; 15. LED light.

Detailed ways

Fig. 1 and Fig. 2 have provided the composition structure of solar photovoltaic power generation system experimental training device described in the utility model, as shown in the figure, comprise a test bench 1, install incandescent bulb 2 on described test bench 1, can It forms an analog light source with the dimming circuit 4 on it, and a solar panel 3, a solar controller 9, a DC voltage regulator circuit 11, an off-grid inverter 12, and a grid-connected inverter 13 are also installed on the test bench 1. Accumulator 10 and AC voltmeter 5, AC ammeter 6, DC voltmeter 7 and DC ammeter 8 for measurement and display are also installed with oscilloscope 14 and LED lamp 15 in order to simulate load. It is led to the experimental table, and can be easily combined into various experimental circuits with the help of plug-in wires.

For the convenience of students' understanding, the corresponding circuit symbols are marked on the panel of the test bench with each device; in addition, a digital ammeter calibrated according to the relationship between current and luminous flux can be installed as a luminous flux meter.

In order to facilitate the overall movement of the device, the test bench is equipped with casters for easy movement.

The functions that this device can realize are as follows:

The solar cell panel 3, the incandescent light bulb 2, the dimming circuit 4 and the corresponding voltmeter and ammeter can form a circuit to carry out the photovoltaic characteristic experiment of the photovoltaic cell panel and the direct negative connection characteristic experiment of the photovoltaic system.

Solar panel 3, incandescent light bulb 2, dimming circuit 4, solar controller 9, storage battery 10, LED lamp 15 and corresponding voltmeter and ammeter can form a circuit to conduct experiments on the working principle of solar controller and corresponding reverse connection protection , Overcharge protection, over-discharge protection, and further cooperate with the DC voltage regulator circuit 11 to perform anti-reverse charge experiments at night.

The storage battery 10, DC voltage regulator circuit 11, off-grid inverter 12, LED lamp 15, oscilloscope 14 and corresponding voltmeter and ammeter can form a circuit to carry out the experiment of the working principle of the off-grid inverter, and replace it with a grid-connected inverter. Inverter 13 is used to conduct experiments on the working principle of grid-connected inverters.

Furthermore, the entire device can form a complete photovoltaic power generation system for independent photovoltaic power generation experiments.

The above experiments that can be realized through the device can enable students to systematically understand the principles and performance of each component of the photovoltaic power generation system, establish a perceptual understanding of the entire system, and at the same time enhance the ability of hands-on operation in the experiment, which effectively promotes the teaching the quality of.

The above description is a specific description of the feasible embodiment of the utility model, and the embodiment is not used to limit the patent scope of the invention, any equivalent implementation or change made without departing from the technical spirit of the invention, such as using Implementations of different types of devices and different layout forms should be included in the patent scope claimed in this application.

Claims (6)

1. solar photovoltaic generation system experimental real-training apparatus, comprise experiment table, it is characterized in that, analog light source, fictitious load, solar panel, D.C. regulated power supply, controller for solar, inverter, accumulator are installed on described experiment table and are used to measure the digital alternating current-direct current pressure of demonstration and reometer, simulated light flux table, the terminal of described each device all leads to the experiment table top, cooperates plug wire can conveniently be combined into various experimental circuits.

2. solar photovoltaic generation system experimental real-training apparatus according to claim 1 is characterized in that, oscillograph also is installed on described experiment table.

3. solar photovoltaic generation system experimental real-training apparatus according to claim 1 is characterized in that, described analog light source is the incandescent lamp bulb that is connected with light adjusting circuit.

4. solar photovoltaic generation system experimental real-training apparatus according to claim 1 is characterized in that, described fictitious load is the LED lamp.

5. solar photovoltaic generation system experimental real-training apparatus according to claim 1 is characterized in that, described simulated light flux table is the digital electronic ammeter of demarcating according to the relation of electric current and luminous flux.

6. any solar photovoltaic generation system experimental real-training apparatus according to claim 1 or 5 is characterized in that, described experiment table is equipped with the convenient castor that moves.

Images