CN215934514U

CN215934514U - Equipment for automatically switching commercial power and energy storage of solar photovoltaic power generation

Info

Publication number: CN215934514U
Application number: CN202121817423.4U
Authority: CN
Inventors: 李国�; 张震
Original assignee: Shandong Guorong New Energy Co ltd
Current assignee: Shandong Guorong New Energy Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-03-01
Anticipated expiration: 2031-08-05

Abstract

The utility model relates to the technical field of solar energy, in particular to a device for automatically switching commercial power and energy storage of solar photovoltaic power generation. The utility model overcomes the defects of the prior art, the utility power complementary controller is arranged at the front end of the storage battery of the equipment, the connecting end of the utility power complementary controller is connected with the connecting end of the relay, the utility power complementary controller can avoid the overcharge of the storage battery and the over-discharge caused by the load operation, the charging voltage is automatically adjusted according to the environmental temperature, the power is automatically cut off and switched to the utility power supply through the relay when the solar power generation is insufficient, the relay of the equipment is arranged at the upper end of the inverter, and the relay controls the switching of the inverter and the utility power, so that the equipment can automatically switch the utility power and store energy, and is beneficial to the actual use.

Description

Equipment for automatically switching commercial power and energy storage of solar photovoltaic power generation

Technical Field

The utility model relates to the technical field of solar energy, in particular to equipment for automatically switching commercial power and energy storage of solar photovoltaic power generation.

Background

The solar power supply system has a wide role in life and work of people, one of the functions is to convert solar energy into electric energy, and the solar power generation is divided into photo-thermal power generation and photovoltaic power generation. Generally speaking, solar power generation refers to solar photovoltaic power generation, has the characteristics of no moving parts, no noise, no pollution, high reliability and the like, and has a good application prospect in a communication power supply system in a remote area.

But current solar equipment is not enough to the protection of battery, and the overdischarge that battery overcharge and load operation caused can influence the life of battery, when solar energy power generation was not enough, often has the outage process of certain time, influences people's life to current equipment can't carry out automatic switch-over with energy storage and commercial power, is unfavorable for actual use.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides equipment for automatically switching between commercial power generation and energy storage of solar photovoltaic power generation, which overcomes the defects of the prior art, has simple structural design, and effectively solves the problems that the existing solar equipment is insufficient in protection of a storage battery, the service life of the storage battery is influenced by over-discharge caused by over-charge of the storage battery and load operation, when the solar power generation is insufficient, the power-off process is always carried out for a certain time, the life of people is influenced, and the existing equipment cannot automatically switch between the energy storage and the commercial power, so that the actual use is not facilitated.

In order to solve the technical problems, the utility model provides the following technical scheme:

the device for automatically switching the commercial power and the energy storage of the solar photovoltaic power generation comprises a storage battery and a commercial power complementary controller, wherein the commercial power complementary controller is fixedly connected to the front end of the storage battery;

heat dissipation holes are transversely and equidistantly formed in the front end of the commercial power complementary controller;

when the voltage of the storage battery reaches the lower limit voltage of the single body, the commercial power complementary controller is automatically switched to commercial power for supplying power.

Preferably, the link is installed on the right side of commercial power complementary control ware, the upper end left side of battery is equipped with the output, the upper end right side of battery is equipped with the input, and the equal size of output and input is the same.

Preferably, first connecting wire is installed to the upper end of output, the opposite side of first connecting wire is connected with solar control ware, solar control ware's front end left side is equipped with the battery link, the right side of battery link is equipped with the solar panel link, the right side of solar panel link is equipped with the dc-to-ac converter link, and the opposite side of first connecting wire is connected in the battery link.

Preferably, a control button is fixedly mounted on the left side of the upper end of the solar controller, a controller display panel is arranged on the right side of the control button, a USB interface is mounted on the upper right side of the control button, and two connectors are arranged inside the USB interface.

Preferably, an inverter is installed on the right side of the solar controller, the solar controller is connected with the inverter through a second connecting line, and the right side of the upper end of the inverter is connected with a relay.

Preferably, the upper end left side of dc-to-ac converter is equipped with the distribution board link, the right side of distribution board link is equipped with the complementary controller link of commercial power, the right side of the complementary controller link of commercial power is equipped with the relay link, the front end fixed mounting of dc-to-ac converter has the dc-to-ac converter display panel, the right side of dc-to-ac converter is equipped with the thermovent, and the thermovent is vertical equidistance and distributes.

The embodiment of the utility model provides equipment for automatically switching between commercial power and energy storage of solar photovoltaic power generation, which has the following beneficial effects: the utility model overcomes the defects of the prior art, the utility power complementary controller is arranged at the front end of the storage battery of the equipment, the connecting end of the utility power complementary controller is connected with the connecting end of the relay, the utility power complementary controller can avoid the overcharge of the storage battery and the over-discharge caused by the load operation, the charging voltage is automatically adjusted according to the environmental temperature, the power is automatically cut off and switched to the utility power supply through the relay when the solar power generation is insufficient, the relay of the equipment is arranged at the upper end of the inverter, and the relay controls the switching of the inverter and the utility power, so that the equipment can automatically switch the utility power and store energy, and is beneficial to the actual use.

1. Set up the relay through the setting, the relay is installed in the upper end of this equipment at the dc-to-ac converter, the dc-to-ac converter becomes the alternating current with the direct current contravariant of battery, the dc-to-ac converter is equivalent to battery and domestic appliance's switching interface, the user of service can be used for domestic appliance with the electric energy of battery on the distribution board link connection of dc-to-ac converter, satisfy user of service's daily demand, the relay is the switch that the battery passed electricity, play the guard action to the circuit, corresponding relay can automatic cutout battery circuit when the circuit breaks down, convert to mains supply circuit, accomplish commercial power and the automatic switch-over of holding.

2. Through setting up the complementary control ware of commercial power, the complementary control ware of commercial power is installed at the front end of battery to this equipment, the complementary control ware of commercial power mainly used protection battery, avoid the overdischarge that battery overcharge and load operation caused, the complementary control ware of commercial power can be according to ambient temperature automatically regulated charging voltage, automatic switch to commercial power supply when solar energy power generation is not enough, avoid the condition that the outage appears in the middle of the insufficient solar energy power generation leads to, be favorable to actual use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the solar controller of the present invention;

fig. 3 is a schematic diagram of the inverter structure of the present invention.

In the figure: 1. a storage battery; 2. an output end; 3. an input end; 4. a mains supply complementary controller; 5. a connecting end; 6. a first connecting line; 7. a solar controller; 8. a second connecting line; 9. an inverter; 10. a relay; 701. a controller display panel; 702. a control button; 703. a storage battery connecting end; 704. a solar panel connection end; 705. an inverter connection end; 706. a USB interface; 901. an inverter display panel; 902. a heat dissipation port; 903. a switchboard connecting end; 904. the commercial power complementary controller is connected with the end; 905. relay connection end.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-3, an apparatus for automatically switching between commercial power generation and energy storage of solar photovoltaic power generation comprises a storage battery 1 and a commercial power complementary controller 4, wherein the commercial power complementary controller 4 is fixedly connected to the front end of the storage battery 1;

radiating holes are transversely and equidistantly arranged at the front end of the commercial power complementary controller 4;

when the voltage of the storage battery reaches the lower limit voltage of the single battery, the commercial power complementary controller 4 automatically switches to commercial power supply.

Specifically, as shown in fig. 1, the output end 2 is connected to the solar controller 7, and the input end 3 does not need to be connected to a solar panel, and is controlled in a centralized manner by the solar controller 7, so that the circuit is simplified, and the actual use is facilitated.

Specifically, as shown in fig. 1-2, the solar controller 7 is mainly used for performing centralized control on each circuit device of solar energy, the storage battery connection end 703 is connected to the storage battery 1, the solar panel connection end 704 is connected to the solar panel, and the inverter connection end 705 is connected to the inverter 9, so that a user can conveniently perform circuit control, which is beneficial to actual use.

Specifically, as shown in fig. 1-2, the control button 702 controls the power transmission voltage of the battery 1 and the charging voltage of the solar panel, the display panel 701 of the controller displays the power transmission data and the charging data, and the USB interface 706 may be used to connect other electronic components, which is beneficial to practical use.

Specifically, as shown in fig. 1, the relay 10 is installed at the upper end of the inverter 9 of the device, the inverter 9 inverts the direct current of the storage battery 1 into alternating current, the inverter 9 is equivalent to a switching port between the storage battery 1 and a household appliance, and meets the daily requirements of users, the relay 10 is a switch for transmitting electricity to the storage battery 1, and plays a role in protecting a circuit, and the relay 10 can automatically cut off the circuit of the storage battery 1 when the circuit fails, and converts the circuit into a commercial power circuit, so as to complete the automatic switching between the commercial power and the energy storage.

Specifically, please show as fig. 3, the user connects the distribution board on the distribution board connection end 903 of the inverter 9 to connect the distribution board, and the electric energy of the battery 1 can be used for the household appliance, the commercial power complementary controller connection end 904 is connected with the commercial power complementary controller 4, when the solar power generation is insufficient, the automatic power off is switched to the commercial power supply through the relay 10, the relay connection end 905 is connected with the relay 10, the inverter display panel 901 displays the ac voltage, the user can conveniently connect the household appliance according to the voltage, the heat dissipation opening 902 avoids the inverter 9 from overheating during operation, the stability of the power transmission process is affected, and the practical use is facilitated.

The working principle is as follows: by arranging the relay 10, the equipment is provided with the relay 10 at the upper end of the inverter 9, the inverter 9 inverts the direct current of the storage battery 1 into alternating current, the inverter 9 is equivalent to an adapter port between the storage battery 1 and a household appliance, a user can use the electric energy of the storage battery 1 for the household appliance by connecting a distribution board to a distribution board connecting end 903 of the inverter 9, and the daily requirements of the user are met, the relay 10 is a switch for transmitting the electricity of the storage battery 1 and plays a role in protecting the circuit, correspondingly, when the circuit fails, the relay 10 can automatically cut off the circuit of the storage battery and convert the circuit into a commercial power circuit to finish the automatic switching between the commercial power and the stored energy, by arranging the commercial power complementary controller 4, the equipment is provided with the commercial power complementary controller 4 at the front end of the storage battery 1, the commercial power complementary controller 4 is mainly used for protecting the storage battery 1, and avoids the excessive discharge caused by the excessive charging of the storage battery 1 and the load operation, the complementary controller of commercial power 4 can be according to ambient temperature automatically regulated charging voltage, and automatic switch to commercial power supply when solar energy power generation is not enough avoids the condition that the outage appears in the middle of solar energy power generation is not enough, is favorable to actual use.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for automatically switching between commercial power generation and energy storage of solar photovoltaic power generation comprises a storage battery (1) and a commercial power complementary controller (4), and is characterized in that the commercial power complementary controller (4) is fixedly connected to the front end of the storage battery (1);

heat dissipation holes are transversely and equidistantly formed in the front end of the commercial power complementary controller (4);

when the voltage of the storage battery reaches the lower limit voltage of the single battery, the commercial power complementary controller (4) is automatically switched to commercial power for supplying power.

2. The automatic switching equipment for solar photovoltaic power generation and energy storage according to claim 1, wherein a connecting end (5) is installed on the right side of the commercial power complementary controller (4), an output end (2) is arranged on the left side of the upper end of the storage battery (1), an input end (3) is arranged on the right side of the upper end of the storage battery (1), and the output end (2) and the input end (3) are the same in size.

3. The automatic switching equipment for the commercial power and the energy storage of the solar photovoltaic power generation according to claim 2, characterized in that a first connecting wire (6) is installed at the upper end of the output end (2), the other side of the first connecting wire (6) is connected with a solar controller (7), a storage battery connecting end (703) is arranged on the left side of the front end of the solar controller (7), a solar panel connecting end (704) is arranged on the right side of the storage battery connecting end (703), an inverter connecting end (705) is arranged on the right side of the solar panel connecting end (704), and the other side of the first connecting wire (6) is connected to the storage battery connecting end (703).

4. The device for automatically switching between the solar photovoltaic power generation commercial power and the energy storage according to claim 3, wherein a control button (702) is fixedly installed on the left side of the upper end of the solar controller (7), a controller display panel (701) is arranged on the right side of the control button (702), a USB interface (706) is installed on the upper right side of the control button (702), and two connecting ports are arranged inside the USB interface (706).

5. The equipment for automatically switching between the solar photovoltaic power generation commercial power and the energy storage according to claim 3 is characterized in that an inverter (9) is installed on the right side of the solar controller (7), the solar controller (7) is connected with the inverter (9) through a second connecting wire (8), and a relay (10) is connected to the right side of the upper end of the inverter (9).

6. The device for automatically switching between the solar photovoltaic power generation commercial power and the energy storage according to claim 5, wherein a distribution board connecting end (903) is arranged on the left side of the upper end of the inverter (9), a commercial power complementary controller connecting end (904) is arranged on the right side of the distribution board connecting end (903), a relay connecting end (905) is arranged on the right side of the commercial power complementary controller connecting end (904), an inverter display board (901) is fixedly installed at the front end of the inverter (9), heat dissipation ports (902) are arranged on the right side of the inverter (9), and the heat dissipation ports (902) are longitudinally and equidistantly distributed.