CN212627760U - Modular small-sized optical storage micro-grid device and control system - Google Patents
Modular small-sized optical storage micro-grid device and control system Download PDFInfo
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- CN212627760U CN212627760U CN202020595179.0U CN202020595179U CN212627760U CN 212627760 U CN212627760 U CN 212627760U CN 202020595179 U CN202020595179 U CN 202020595179U CN 212627760 U CN212627760 U CN 212627760U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention discloses a modular small-sized light storage micro-grid device and a control system. It includes the control unit that sets up in box and the box, and the front side of box is provided with the operation display panel who is used for operating the control unit and showing data information, and the bottom of the left and right sides of box all articulates there is the polylith photovoltaic board that can fold, can the level lay in work occasion after each photovoltaic board expandes, can fix the left and right sides of settling at the box through the connecting piece after each photovoltaic board packs up. The advantages are that: the photovoltaic panel is laid horizontally on a working occasion after being unfolded, the photovoltaic panel is installed on the box body, the telescopic pull rod and the idler wheels of the box body can be used for transporting, moving and carrying the photovoltaic panel at any time, installation and maintenance are very convenient, a control system of the photovoltaic panel is designed in a modularized mode, plug and play are supported, all modules are integrated, reliability and stability of power supply are improved, the photovoltaic panel is reasonable in design and reliable in control, and the failure rate is greatly reduced.
Description
Technical Field
The invention relates to a photovoltaic power generation technology, in particular to a modularized small-sized light storage micro-grid device and a control system.
Background
With the increasing maturity of photovoltaic power generation technology, a hybrid energy microgrid integrating distributed power generation such as photovoltaic power generation and energy storage becomes a research hotspot and receives extensive attention, and as a power distribution network fusing various distributed power generation to supply power for local loads, a microgrid combines a power supply, loads, an energy storage device and the like into a single controllable unit, the problem of large-scale access of distributed power supplies can be solved, the advantages of the distributed power supplies can be fully exerted, the reliability and stability of power supply can be further improved, the pollution discharge pressure is reduced, the living conditions and the living quality of people are improved, in the prior art, a conventional microgrid device is generally of a fixed structure, can be fixedly installed at a certain position, cannot be moved and is very inconvenient to lay and construct, in addition, each module of a control system is independently controlled, the control is inconvenient and the failure rate is high.
Disclosure of Invention
The invention aims to provide a modular small-sized light storage micro-grid device and a control system, which have the advantages of reasonable structural design, convenience and quickness in movement, convenience in laying and construction, reliability in control and low failure rate.
In order to solve the technical problem, the modularized small-sized light storage micro-grid device comprises a box body and a control unit arranged in the box body, wherein an operation display panel used for operating the control unit and displaying data information is arranged on the front side of the box body, a plurality of foldable photovoltaic panels are hinged to the bottoms of the left side and the right side of the box body, each photovoltaic panel can be horizontally laid on a working occasion after being unfolded, and each photovoltaic panel can be fixedly arranged on the left side and the right side of the box body through a connecting piece after being folded.
And a photovoltaic panel is fixedly arranged at the top of the box body.
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 positioned at the bottom of the telescopic pull rod.
The photovoltaic panel fixing device is characterized in that mounting holes are formed in the two outermost photovoltaic panels on the left side and the right side of the box body, locking positions are arranged on the edges of the front side and the rear side of the box body, and the photovoltaic panels on the left side and the right side of the box body are fixed by the connecting piece from the width direction of the photovoltaic panels through the mounting holes and the locking positions.
A control system of a modularized small-sized light storage micro-grid device comprises power generation glass of photovoltaic panels on the left side and the right side of a box body, energy storage lithium batteries, a converter and an energy management system, wherein the energy storage lithium batteries, the converter and the energy management system are arranged in the box body, the converter is provided with two DC/DC converters and a DC/AC converter connected with the DC/DC converters, the power generation glass and the energy storage lithium batteries are respectively connected with one of 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 batteries and the converter.
The energy storage lithium 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 a plurality of sets of energy storage batteries and converters.
The invention has the advantages that:
because the photovoltaic board that can fold in the box left and right sides through the box installation that sets up, the fixed mounting panel in box top and the overall installation structure who adopts the box, during the use, as long as expand the photovoltaic board the back level lay in the workplace can, and install it and can utilize the flexible pull rod and the gyro wheel of box to transport it at any time and remove and carry it on the box, it is all very convenient to install and maintain, the control system who its adopted adopts the modularized design, support plug-and-play, fuse each module as an organic whole, the reliability and the stability of power supply have been improved and reasonable in design, control is reliable, the fault rate has still been greatly reduced.
Drawings
Fig. 1 is a schematic structural diagram of a modular small-sized optical storage micro-grid device according to the present invention in an unfolded state;
fig. 2 is a schematic structural diagram of the modularized small-sized optical storage micro-grid device in a retracted state (with the telescopic rods deployed);
fig. 3 is a schematic structural diagram of a retracted state (retracted telescopic rod) of the modular small-sized optical storage micro-grid device according to the present invention;
fig. 4 is a schematic bottom view of the modular small optical storage micro-grid device according to the present invention;
fig. 5 is a schematic diagram of a modular small-sized optical storage microgrid control system according to the present invention.
Detailed Description
The modular small-sized optical storage micro-grid device and the control system of the invention are further described in detail with reference to the accompanying drawings and the detailed description.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on positional relationships 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 device referred to 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.
The first embodiment is as follows:
as shown in the figure, the modularized small-sized light storage micro-grid device comprises a box body 1 and a control unit (control system) arranged in the box body 1, wherein one side of the bottom of the box body 1 is provided with a telescopic pull rod 5 which is installed through a bottom plate at the bottom of the box body and penetrates through the end of the bottom plate, the bottom of the box body is also provided with a roller 6 positioned at the bottom of the telescopic pull rod, the roller can be installed through a rotating shaft, so that the roller can be folded into a cavity arranged at the bottom of the box body when the box body is in a placed state, mounting holes are formed in the two outermost photovoltaic panels at the left side and the right side of the box body 1, locking positions 7 are arranged at the edges of the front side and the rear side of the box body 1, an operation display panel 2 (comprising an aerial plug, a switch and a display screen) for operating the control unit and displaying data information is arranged, each photovoltaic panel 3 can be laid in the workplace after expansion horizontally, each photovoltaic panel 3 can be fixed and arranged on the left and right sides of the box body through a connecting piece 4 after being folded, wherein, the left and right directions in fig. 1 are defined as the left and right directions of the box body, the upper direction in fig. 1 is defined as the rear of the box body, the lower direction in fig. 1 is defined as the front of the box body, in addition, a mounting hole is arranged in the width direction of the outermost photovoltaic panel on the left side of the box body, a mounting hole is also arranged in the width direction of the outermost photovoltaic panel on the right side of the box body, and the connecting piece 4 fixes the photovoltaic panels on the left and right sides of the box body by the mounting holes and the locking positions.
Further, a photovoltaic panel 3 can be fixedly mounted at the top of the box body 1, and the space utilization rate is further improved.
Example two:
the invention relates to a control system of a modularized small-sized light storage micro-grid device, which is designed with the capacity of 2kW, comprises 9 pieces of 40W power generation glass of photovoltaic panels at the left side and the right side of a box body 1, a 2kWh energy storage lithium battery in the box body 1, a 2kW converter and a set of total Energy Management System (EMS), wherein the converter is provided with two DC/DC converters and a DC/AC converter connected with the DC/DC converters, the power generation glass and the energy storage lithium battery are respectively connected with one DC/DC converter of the converter through a socket, the DC/AC converter is connected with a load through the socket, the energy management system is simultaneously connected with the energy storage lithium battery and the converter, and a CAN bus communication mode is adopted among the EMS, the converter and the energy storage lithium battery, in addition, the energy management system CAN be connected with a plurality of energy storage batteries, the converters and the photovoltaic, that is to say, a plurality of portable small-size light stores up little electric wire netting device CAN adopt a total energy management system to manage, from this adopt CAN bus communication mode through energy management system CAN connect many converters and energy storage battery, all control commands are unified by energy management system and are passed down to each (energy storage lithium cell, converter) unit, and CAN be through the operating parameter of man-machine interface monitoring system and each unit on the operation display panel, form the modularized design with entire system from this, support plug-and-play, of course, each interface of converter CAN adopt the aviation socket mode, satisfy plug-and-play requirement.
Furthermore, the converter adopts a virtual synchronous grid-connected control strategy, namely a plurality of converters can run in parallel, and a single converter can also be independently used, so that the running requirements of grid connection and grid disconnection are met, the rated output power of the single converter is 2kW, the output voltage is AC220V, the energy storage lithium battery is a lithium iron phosphate battery, and the power generation glass is cadmium telluride power generation glass.
Claims (8)
1. The utility model provides a little electric wire netting device is stored up to small-size light of modularization which characterized in that: the control unit who sets up including box (1) and box (1), the front side of box (1) is provided with and is used for operating the control unit and shows operation display panel (2) of data information, the bottom of the left and right sides of box (1) all articulates there is polylith photovoltaic board (3) that can fold, each photovoltaic board (3) can the water tiling establish at work occasion after expanding, each photovoltaic board (3) are packed up the back and can be settled at the left and right sides of box through connecting piece (4) is fixed.
2. The modular small optical storage microgrid apparatus of claim 1, characterized in that: the top of the box body (1) is fixedly provided with a photovoltaic panel (3).
3. A modular small optical storage microgrid apparatus according to claim 1 or 2, characterized in that: one side of the bottom of the box body is provided with a telescopic pull rod (5), and the bottom of the box body is also provided with a roller (6) positioned at the bottom of the telescopic pull rod.
4. The modular small light storage microgrid apparatus of claim 3, characterized in that: the photovoltaic panel fixing box is characterized in that mounting holes are formed in the two outermost photovoltaic panels on the left side and the right side of the box body (1), locking positions (7) are arranged on the edges of the front side and the rear side of the box body (1), and the photovoltaic panels on the left side and the right side of the box body are fixed through the mounting holes and the locking positions in the width direction of the photovoltaic panels by the connecting pieces (4).
5. The utility model provides a control system of little electric wire netting device is stored up to small-size light of modularization which characterized in that: the photovoltaic power generation system comprises power generation glass of photovoltaic panels on the left side and the right side of a box body (1), energy storage batteries in the box body (1), a converter and an energy management system, wherein the converter is provided with two DC/DC converters and a DC/AC converter connected with the DC/DC converters, the power generation glass and the energy storage batteries are respectively connected with one of 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 batteries and the converter.
6. The control system for a modular small optical storage microgrid apparatus of claim 5, characterized in that: the energy storage battery is a lithium iron phosphate battery.
7. The control system of a modular small optical storage microgrid apparatus according to claim 5 or 6, characterized in that: the power generation glass is cadmium telluride power generation glass.
8. The control system for a modular small optical storage microgrid apparatus of 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020595179.0U CN212627760U (en) | 2020-04-20 | 2020-04-20 | Modular small-sized optical storage micro-grid device and control system |
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| CN202020595179.0U CN212627760U (en) | 2020-04-20 | 2020-04-20 | Modular small-sized optical storage micro-grid device and control system |
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| CN212627760U true CN212627760U (en) | 2021-02-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111464113A (en) * | 2020-04-20 | 2020-07-28 | 江苏镇安电力设备有限公司 | Modular small-sized optical storage micro-grid device and control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111464113A (en) * | 2020-04-20 | 2020-07-28 | 江苏镇安电力设备有限公司 | Modular small-sized optical storage micro-grid device and control system |
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