CN111416566A - Portable small-size light stores up little electric wire netting device - Google Patents

Abstract

The invention discloses a portable small-scale light-storage micro-grid device. It includes a box body and a control unit arranged in the box body, an operation plug-in panel is arranged on the front side of the box body, a display unit is arranged on the top of the box body, and a plurality of photovoltaic panels that can be spliced with each other are included. The bottom of the solar panel is provided with a slot. After splicing, the photovoltaic panels can be fixed on the bottom of the left and right sides of the box through the slots and laid horizontally in the workplace. Each photovoltaic panel can be stacked on the box after being disassembled from the box. top of the body. Its advantages are: the laying is very fast and convenient, which is convenient for laying and retracting. After retracting, it occupies less space and can be transported, moved and carried at any time. It is very convenient for installation and maintenance, and supports plug and play. The modules are integrated into one, which improves the reliability and stability of the power supply, and has a reasonable design and reliable control, and greatly reduces the failure rate.

Description

A portable small light-storage microgrid device

technical field

The invention relates to a photovoltaic power generation technology, in particular to a portable small-scale light-storage micro-grid device.

Background technique

With the increasing maturity of photovoltaic power generation technology, the hybrid energy microgrid integrating photovoltaic, energy storage and other distributed generation has become a research hotspot and has received extensive attention. It can not only solve the problem of large-scale access of distributed power, give full play to the advantages of distributed power, but also further improve the efficiency of power supply. Reliability and stability, reduce pollution and discharge pressure, and improve people's living conditions and quality of life. In the prior art, conventional micro-grid devices are generally fixed structures, which can only be fixedly installed in a certain location, occupying a large space. , it cannot be moved and the laying construction is also very inconvenient. In addition, each module of the control system is controlled separately, which is inconvenient to control and has a high failure rate.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a portable small-scale optical storage microgrid device with small occupied space, convenient carrying, quick laying, reliable control and low failure rate.

In order to solve the above technical problems, the portable small-scale optical storage microgrid device of the present invention includes a box body and a control unit arranged in the box body, and an operation plug panel for operating the control unit and transmitting information is arranged on the front side of the box body, The top of the box is provided with a display unit for displaying data information, and also includes a plurality of photovoltaic panels that can be spliced with each other. The bottom of the left and right sides of the box is provided with slots, and the photovoltaic panels can be inserted through the slots after splicing. It is fixed on the bottom of the left and right sides of the box body and laid horizontally in the workplace, and each photovoltaic panel can be stacked on the top of the box body after being disassembled from the box body.

The photovoltaic panels on the left side of the box are connected by hinges as a group of photovoltaic panels, and the photovoltaic panels on the right side of the box are connected by hinges as a group of photovoltaic panels.

One side of the bottom of the box body is provided with a telescopic pull rod, and the bottom of the box body is also provided with a roller installed at the bottom of the telescopic pull rod.

The surrounding edges of the box body are provided with locking positions, the side edges of the photovoltaic panels are provided with mounting holes, and the photovoltaic panels are fixedly mounted on the top of the box body through the connecting pieces using the mounting holes and the locking positions.

The control unit includes a converter, an energy management system and an energy storage battery, the converter has two DC/DC converters and a DC/AC converter connected to the two DC/DC converters, the photovoltaic The power generation glass and the energy storage battery of the board are respectively connected with the DC/DC converter of the converter, the DC/AC converter is connected with the load, and the energy management system is connected with the energy storage lithium battery and the converter at the same time.

The energy storage battery is a lithium iron phosphate battery.

The power generation glass is cadmium telluride power generation glass.

The energy management system can be connected with multiple sets of energy storage batteries and converters.

The advantages of the present invention are:

Due to the provided box with a built-in control unit that can be plugged into the photovoltaic panels, as well as the operation plug-in panel and display unit set on the box, as long as the photovoltaic panels are spliced and laid horizontally in the workplace, and the slots are inserted to fix the bottom of the box It can be installed on both sides, and the laying is very fast and convenient, especially after the photovoltaic panels are disassembled from the box, they can all be stacked on the top of the box, which is convenient for laying and storage. And it can also be transported, moved and carried at any time by using the telescopic rods and rollers of the box, which is very convenient for installation and maintenance. The reliability and stability of the power supply are improved, the design is reasonable, the control is reliable, and the failure rate is greatly reduced.

Description of drawings

1 is a schematic diagram of the unfolded state of the portable small-scale optical storage microgrid device of the present invention;

FIG. 2 is a schematic diagram of the stowed state (top view) of the portable small optical storage microgrid device of the present invention;

Fig. 3 is the bottom view structural schematic diagram of the portable small-scale optical storage microgrid device of the present invention;

FIG. 4 is a schematic diagram of the stowed state (upward viewing angle) of the portable small-scale optical storage microgrid device of the present invention;

FIG. 5 is a schematic diagram of the control unit of the portable small light-storage microgrid device of the present invention.

Detailed ways

The portable small-scale solar-storage microgrid device of the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "inside", "outside", "upper", "lower", "front", "rear", etc. are based on those shown in the accompanying drawings. The positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

Example 1:

As shown in the figure, the portable small-scale optical storage microgrid device of the present invention includes a box body 1 and a control unit arranged in the box body. A telescopic pull rod 6 is provided on one side of the bottom of the box body 1, and the telescopic pull rod is installed through the bottom plate at the bottom of the box body. And runs through to the end of the bottom plate, the bottom of the box also has a roller 7 installed at the bottom of the telescopic rod, that is to say, the roller is directly installed at the bottom of the telescopic rod and the telescopic rod is used as the rotating shaft. The operation plug panel 2 (including switches and aerial plugs) for the control unit to operate and transmit information, the top of the box body 1 is provided with a display unit 3 for displaying data information, the display unit can be a liquid crystal display screen, and also includes a The photovoltaic panels 4 that can be spliced to each other can be seen from the figure. The photovoltaic panels 4 on the left side of the box body 1 are connected by hinges as a group of photovoltaic panels. The photovoltaic panels 4 on the right side of the box body 1 are connected together. They are connected by hinges as a group of photovoltaic panels. The bottoms of the left and right sides of the box body 1 are provided with slots 5. After splicing, the photovoltaic panels 4 can be inserted and fixed on the bottom of the left and right sides of the box body 1 through the slots and laid horizontally. In the workplace, each photovoltaic panel 4 can be stacked on top of the box 1 after being disassembled from the box, wherein the left-right direction in FIG. 1 is defined as the left-right direction of the box, and the upper part in FIG. 1 is defined as the box The rear of the box, the lower part in Figure 1 is defined as the front of the box,

Further, the surrounding edges of the box body 1 are provided with locking positions, and the side edges of the photovoltaic panels 4 are provided with mounting holes.

Still further, the control unit includes a converter, an energy management system and an energy storage battery, and the converter has two DC/DC converters and a DC/AC converter connected to the two DC/DC converters The power generation glass and energy storage battery of the photovoltaic panel are respectively connected to the DC/DC converter of the converter, and the power generation glass and the energy storage lithium battery are respectively connected to one of the DC/DC converters of the converter through the plug-in interface. The /AC converter is connected to the load, and the energy management system is connected to the energy storage lithium battery and the converter at the same time. Among them, the energy storage battery is preferably a lithium iron phosphate battery, and the power generation glass is preferably a cadmium telluride power generation glass. As can be seen from the figure, the CAN bus communication mode is used between the EMS, the converter and the energy storage lithium battery. In addition, the energy management system can It is connected with multiple sets of energy storage batteries, converters and photovoltaic panels, that is to say, multiple portable small-scale solar-storage micro-grid devices can be managed by a general energy management system, so CAN bus communication is adopted through the energy management system. It can be connected to multiple converters and energy storage batteries, and all control commands are uniformly transmitted to each (energy storage lithium battery, converter) unit by the energy management system, and the operating parameters of each unit can be displayed through the operation display system. This forms the entire system into a modular design, which supports plug-and-play. Of course, each plug-in interface of the converter can adopt the aviation socket mode to meet the plug-and-play requirements.

The said converter adopts the virtual synchronous grid-connected control strategy, which can run multiple units in parallel, or can be used independently by a single unit to meet the operation requirements of grid-connected and off-grid operation. The output voltage of a single converter is AC220V, so The energy storage lithium battery is a lithium iron phosphate battery, and the power generation glass is a cadmium telluride power generation glass.

Claims (8)

1. The utility model provides a little electric wire netting device is stored up to portable small-size light which characterized in that: the control unit who sets up including box (1) and box, the front side of box (1) is provided with operation grafting panel (2) that are used for operating the control unit and information transmission, the top of box (1) is provided with display element (3) that are used for showing data information and still includes photovoltaic board (4) that the polylith can splice each other, the bottom of the left and right sides of box (1) is provided with slot (5), can splice the back through the slot and peg graft and fix the bottom and the level of the left and right sides at box (1) and lay at work occasion, each photovoltaic board (4) can stack the top at box (1) after dismantling from the box.

2. A portable small optical storage microgrid apparatus according to claim 1, characterized in that: the photovoltaic solar energy storage box is characterized in that the photovoltaic plates (4) on the left side of the box body (1) are connected through hinges to form a group of photovoltaic plates, and the photovoltaic plates (4) on the right side of the box body (1) are connected through hinges to form a group of photovoltaic plates.

3. A portable miniature optical storage microgrid apparatus according to claim 1 or 2, characterized in that: one side of the bottom of the box body (1) is provided with a telescopic pull rod (6), and the bottom of the box body is also provided with rollers (7) arranged at the bottom of the telescopic pull rod.

4. A portable small optical storage microgrid apparatus according to claim 3, characterized in that: the photovoltaic solar energy storage box is characterized in that locking positions are arranged on the peripheral edge of the box body (1), mounting holes are formed in the side edge of the photovoltaic panel (4), and the photovoltaic panel (4) is fixedly mounted at the top of the box body through connecting pieces through the mounting holes and the locking positions.

5. A portable small optical storage microgrid apparatus according to claim 1, 2 or 4, characterized in that: the control unit comprises a converter, an energy management system and an energy storage battery, the converter is provided with two DC/DC converters and a DC/AC converter connected with the two DC/DC converters, the power generation glass and the energy storage battery of the photovoltaic panel are respectively connected with the DC/DC converters of the converter, the DC/AC converter is connected with a load, and the energy management system is simultaneously connected with the energy storage lithium battery and the converter.

6. The portable small form factor optical storage microgrid apparatus of claim 5, wherein: the energy storage battery is a lithium iron phosphate battery.

7. The portable small form factor optical storage microgrid apparatus of claim 6, wherein: the power generation glass is cadmium telluride power generation glass.

8. A portable small optical storage microgrid apparatus according to claim 7, characterized in that: the energy management system can be connected with a plurality of sets of energy storage batteries and converters.

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