CN217362645U

CN217362645U - Solar power generation fishing boat power supply system

Info

Publication number: CN217362645U
Application number: CN202220961220.0U
Authority: CN
Inventors: 刘梦裴; 郭亚龙; 周华平
Original assignee: Wuxi Xinje Electric Co Ltd
Current assignee: Wuxi Xinje Electric Co Ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-09-02
Anticipated expiration: 2032-04-22

Abstract

The utility model relates to a marine power supply unit technical field specifically is a solar energy power generation fishing boat power supply system, solar cell panel module, battery module and converter module including the order is connected, the converter module includes rectifier circuit, charging circuit, brake circuit, filtering energy storage circuit and the inverter circuit that the order is connected, be connected with on the rectifier circuit battery module, inverter circuit is used for output voltage to supply the consumer to use. The system uses the frequency converter as an inversion control system for the first time, not only replaces the traditional complex inversion and control system, but also greatly saves the cost, has high compatibility, can be matched with wind power generation, realizes wind-solar complementation and improves the power generation efficiency.

Description

Solar power generation fishing boat power supply system

Technical Field

The utility model relates to a marine power supply unit technical field especially relates to a solar energy power generation fishing boat power supply system.

Background

Since the use of fossil energy is accompanied with the emission of a large amount of carbon dioxide, the climate is warmed, and pollution such as dust, acid rain and the like is generated, so that the greenhouse effect is caused, and the global environment is deteriorated. The search for new energy to replace the original fossil energy is a problem facing urgent needs. In the process of searching for various new energy sources, solar energy is reflected into the eye curtains of people. Compared with the traditional thermal power generation, the solar power generation has the following advantages:

1. compared with fossil energy, the method has no exhaustion risk;

2. the method is safe, reliable, free of noise and pollution emission and absolutely clean;

3. the method is not limited by resource distribution regions, and building roofs, open spaces and the like can be utilized;

in addition, according to incomplete statistics, the number of fishing boats in China is nearly 100 ten thousand, wherein the ocean fishing boat station 1/4 consumes a large amount of diesel oil every year. The fishing boat is managed roughly, and the equipment falls the back, and the fisherman lacks energy-conserving consciousness, and the oil utilization ratio is low, and the energy is extravagant and the phenomenon of revealing is very general, constitutes the pollution to the marine environment. Therefore, it is very important to actively develop and advance the energy-saving and emission-reducing work of the fishing boat.

Since fishermen live on fishing boats throughout the year, not only needs to solve the problem of power utilization for fishermen's life, but also needs to solve the problem of power utilization for fishermen's production on fishing boats, and therefore a new technical scheme is urgently needed to solve the technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the problems of the prior art and provide a solar power generation fishing boat power supply system, which utilizes abundant solar energy resources to generate power, then utilizes a frequency converter to complete the inversion of direct current and the speed regulation control function of a motor, and can solve the living problems of fishermen on water; the direct current stored in the storage battery can be inverted into the common 220V alternating current in life, the output alternating voltage can be regulated, and the storage battery has a plurality of protection functions, control modes and feedback signals.

The above purpose is realized by the following technical scheme:

the utility model provides a solar energy power generation fishing boat power supply system, includes solar cell panel module, battery module and the converter module of connecting in proper order, the converter module is including rectifier circuit, charging circuit, braking circuit, filtering energy storage circuit and the inverter circuit of connecting in proper order, be connected with on the rectifier circuit battery module, inverter circuit is used for output voltage to supply the consumer to use.

Further, the rectifier circuit comprises a first diode D1, a second diode D2, a fourth diode D4 and a fifth diode D5, wherein a cathode of the first diode D1 is connected with a cathode of the second diode D2 to serve as a first connection end, an anode of the second diode D2 is connected with a cathode of the fifth diode D5 to serve as a second connection end, an anode of the fifth diode D5 is connected with an anode of the fourth diode D4 to serve as a third connection end, and a cathode of the fourth diode D4 is connected with an anode of the first diode D1 to serve as a fourth connection end, so that a rectifier bridge is formed; the first connecting end and the third connecting end are used for being connected with the storage battery plate module, and the second connecting end and the fourth connecting end are used for being connected with commercial power; the charging circuit, the braking circuit, the filtering energy storage circuit and the inverter circuit are respectively connected with the first connecting end and the third connecting end.

Further, the charging circuit is composed of a first resistor R1 and a relay switch K1 and is used for protecting the filtering energy storage circuit.

Further, the braking circuit comprises a second resistor R2, a third diode D3 and an insulated gate bipolar transistor Q1 which are connected with each other and used for assisting the frequency converter in decelerating and braking.

Further, the filter energy storage circuit comprises a first capacitor C1, a third resistor R3, a fifth capacitor C5, a fifth resistor R5 and a second capacitor C2 which are connected in parallel, and the filter energy storage circuit is used for reducing alternating current components in pulsating direct current voltage.

Furthermore, the input range of the inverter circuit is DC 300V-380V.

Further, the solar panel module is a crystalline silicon cell or a thin film cell.

Advantageous effects

The utility model provides a solar energy power generation fishing boat power supply system has not only satisfied the power consumption of fisherman's life on the fishing boat, and the 220V that the contravariant came out can satisfy various medium and small power household electrical appliances commonly used. When fishermen carry out some production on water, the motor can be controlled and adjusted according to the actual requirements of the fishermen, so that the life activities of the fishermen on water are greatly facilitated; the system uses the frequency converter as an inversion control system for the first time, not only replaces the traditional complex inversion + control system, but also greatly saves the cost, has high compatibility, can be matched with wind power generation, realizes wind-solar complementation and improves the power generation efficiency.

Drawings

FIG. 1 is a schematic block diagram of a power supply system of a solar power generation fishing boat according to the present invention;

FIG. 2 is a circuit diagram of a power supply system of a solar power generation fishing boat of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples. The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in figure 1, the power supply system of the solar power generation fishing boat comprises a solar cell panel module, a storage battery module and a frequency converter module which are connected in sequence.

As shown in fig. 2, the frequency converter module includes a rectifying circuit, a charging circuit, a braking circuit, a filtering energy storage circuit and an inverter circuit, which are connected in sequence, the rectifying circuit is connected with the storage battery module, and the inverter circuit is used for outputting voltage for the electric equipment; the input range of the inverter circuit is DC 300V-380V.

Specifically, the inverter circuit can output voltages of different specifications according to practical application scenes, including domestic power utilization and production power utilization, the domestic power utilization is used for daily small household appliances, and the production power utilization is used for processing machinery.

As an optimization of the rectifier circuit in this embodiment, the rectifier circuit is a rectifier bridge circuit, and includes a first diode D1, a second diode D2, a fourth diode D4, and a fifth diode D5;

the cathode of the first diode D1 is connected to the cathode of the second diode D2 as a first connection end, the anode of the second diode D2 is connected to the cathode of the fifth diode D5 as a second connection end, the anode of the fifth diode D5 is connected to the anode of the fourth diode D4 as a third connection end, and the cathode of the fourth diode D4 is connected to the anode of the first diode D1 as a fourth connection end;

the first connecting end and the third connecting end are used for being connected with the storage battery plate module, namely the storage battery plate module is connected to the P + end and the P-end of the circuit, and the conversion from direct current to alternating current is realized through an inverter circuit; the storage battery plate module is used for storing the electric energy converted by the solar battery plate module.

In this embodiment, the solar panel module may be a crystalline silicon cell or a thin film cell;

the storage battery module can store the electric energy converted by the solar battery, so that the electric energy utilization time is longer, and the low-voltage generated by the solar energy can be changed into the high-voltage in a series connection mode.

The second connecting end and the fourth connecting end are used for connecting commercial power AC220V, namely 220V commercial power is connected with a phase line L and a zero line N of the circuit;

the charging circuit, the braking circuit, the filtering energy storage circuit and the inverter circuit are respectively connected with the first connecting end and the third connecting end.

The system can realize the switching use of the solar cell and the commercial power, and meet the power consumption requirements of different scenes.

As shown in fig. 2, as the optimization of the present embodiment:

the charging circuit is composed of a first resistor R1 and a relay switch K1 and is used for protecting the filtering energy storage circuit; and the storage battery module is also connected with the storage battery module and is used for storing the electric energy converted from the solar energy.

The braking circuit comprises a second resistor R2, a third diode D3 and an insulated gate bipolar transistor Q1 which are mutually connected and used for assisting the frequency converter to decelerate and brake and consuming feedback energy generated by a motor in the decelerating and braking process.

The filtering energy storage circuit comprises a first capacitor C1, a third resistor R3, a fifth capacitor C5, a fifth resistor R5 and a second capacitor C2 which are connected in parallel, so that alternating current components in pulsating direct current voltage are reduced as much as possible, direct current components of the pulsating direct current voltage are kept, ripple coefficients of output voltage are reduced, and waveforms are relatively smooth.

The above description is only for the purpose of illustrating the embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements and the like made within the spirit and principles of the present invention by those skilled in the art should be included in the protection scope of the present invention.

Claims

1. The utility model provides a solar energy power generation fishing boat power supply system, its characterized in that, including solar cell panel module, battery module and the converter module of connecting in proper order, the converter module is including rectifier circuit, charging circuit, braking circuit, filtering energy storage circuit and the inverter circuit of connecting in proper order, be connected with on the rectifier circuit battery module, inverter circuit is used for output voltage to supply the consumer to use.

2. The power supply system of the solar power generation fishing boat according to claim 1, characterized in that the rectification circuit comprises a first diode D1, a second diode D2, a fourth diode D4 and a fifth diode D5, wherein the cathode of the first diode D1 is connected with the cathode of the second diode D2 as a first connection end, the anode of the second diode D2 is connected with the cathode of the fifth diode D5 as a second connection end, the anode of the fifth diode D5 is connected with the anode of the fourth diode D4 as a third connection end, and the cathode of the fourth diode D4 is connected with the anode of the first diode D1 as a fourth connection end to form a rectification bridge; the first connecting end and the third connecting end are used for connecting the storage battery module, and the second connecting end and the fourth connecting end are used for connecting commercial power; the charging circuit, the braking circuit, the filtering energy storage circuit and the inverter circuit are respectively connected with the first connecting end and the third connecting end.

3. The solar power generation fishing boat power supply system according to claim 2, wherein the charging circuit is composed of a first resistor R1 and a relay switch K1 and is used for protecting the filtering energy storage circuit.

4. The solar power generation fishing boat power supply system according to claim 2, wherein the braking circuit comprises a second resistor R2, a third diode D3 and an insulated gate bipolar transistor Q1 which are connected with each other and used for assisting the speed reduction brake of the frequency converter.

5. The solar power generation fishing boat power supply system according to claim 2, wherein the filtering energy storage circuit comprises a first capacitor C1, a third resistor R3, a fifth capacitor C5, a fifth resistor R5 and a second capacitor C2 which are connected in parallel, and are used for reducing alternating current components in pulsating direct current voltage.

6. The power supply system of the solar power generation fishing boat according to claim 1, wherein the input range of the inverter circuit is DC 300V-380V.

7. The solar power generation fishing boat power supply system according to claim 1, wherein the solar panel module is a crystalline silicon cell or a thin film cell.