CN211790913U

CN211790913U - Emergency energy storage equipment

Info

Publication number: CN211790913U
Application number: CN202020508696.XU
Authority: CN
Inventors: 倪进娟; 刘楠楠; 郑策
Original assignee: Nanjing Laidi New Energy Technology Co ltd
Current assignee: Nanjing Laidi New Energy Technology Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-10-27
Anticipated expiration: 2030-04-09

Abstract

The utility model discloses an emergent energy storage equipment, including last casing and lower casing, last casing and lower casing between connect through two mounting panels that are located both sides, last casing side cross-section be L shape and go up the casing top and be equipped with photovoltaic module, photovoltaic module below be equipped with photovoltaic inverter, photovoltaic inverter embedding install inside the casing, last casing below embedding DC AC inverter and DC AC inverter top be equipped with the input output socket board, the input output socket board outside be equipped with manual pull visor. The device is mainly used for household emergency energy storage, and can provide stable and safe electric energy for electrical equipment of a user when power failure or emergency work occurs, so that the device is convenient for the user to use.

Description

Emergency energy storage equipment

Technical Field

The utility model relates to a new forms of energy storage equipment technical field, more specifically the utility model relates to an emergent energy storage equipment that says so.

Background

The invention relates to electric power, which is energy using electric energy as power, in the 70 th 19 th century, the invention and application of the electric power lift the second industrialized climax, and become one of three scientific and technological revolution which occur in the world since the 18 th century of human history, the life of people is changed by the science and technology, a large-scale electric power system appearing in the 20 th century is one of the most important achievements in the science history of human engineering, and the electric power system is an electric power production and consumption system which consists of links of power generation, power transmission, power transformation, power distribution, electricity utilization and the like.

Energy storage equipment among the prior art, energy storage speed is slower, when having a power failure or the emergent needs use of not enough supplying power, often can not use, and energy storage equipment is less from taking reserve electric energy moreover, unsatisfied the user demand who satisfies great power electrical apparatus, and most energy storage equipment only has direct current or exchanges output in addition, inconvenient electrical equipment's use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an emergent energy storage equipment, this equipment mainly used domestic emergent energy storage, when having a power failure or emergent work, can provide stable safe electric energy power supply for user's electrical equipment, convenience of customers uses.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

an emergency energy storage device comprises an upper shell and a lower shell, wherein the upper shell and the lower shell are connected through two mounting plates positioned on two sides, the side section of the upper shell is L-shaped, a photovoltaic module is arranged above the upper shell, a photovoltaic inverter is arranged below the photovoltaic module, the photovoltaic inverter is embedded into the upper shell, a DC/AC inverter is embedded into the lower part of the upper shell, an output-input socket board is arranged above the DC/AC inverter, a manual drawing protective cover is arranged outside the output-input socket board, the side section of the lower shell is rectangular, heat dissipation ports are formed in the left side surface and the right side surface of the lower shell, the front side surface and the rear side surface of the lower shell are packaged through a heat dissipation board, a plurality of lithium iron phosphate battery assembled energy storage battery packs which are longitudinally arranged are arranged in the lower shell, and protective partition plates are arranged between adjacent lithium iron, the energy storage battery pack is characterized in that an energy storage main board is arranged in front of and behind the energy storage battery pack and connected with the photovoltaic inverter, the DC/AC inverter and the output and input socket board through circuits.

Further, the mounting panel pass screw hole fixed upper casing and lower casing through the bolt, the mounting panel outside all be equipped with a pivot, the pivot between be connected with the lifting belt.

Furthermore, the output and input socket board comprises an AC power output interface, a DC power output and input interface, three sockets, two sockets and a corresponding power supply socket of the household appliance.

Furthermore, the energy storage mainboard is provided with a battery pack management module, a battery string management module, an energy storage battery unit management module and a plurality of power supply interfaces, wherein the power supply interfaces of the front and rear energy storage mainboards are alternately connected with all the internal lithium iron phosphate batteries at intervals in sequence.

Furthermore, the heat dissipation plate is internally provided with a heat dissipation port for dissipating heat of the energy storage main board.

Compared with the prior art, the utility model has the advantages that:

the utility model realizes the common output of DC and AC by the DC/AC inverter to combine with various types of power supply sockets, thereby facilitating the emergency use of household appliances; through the photovoltaic module, the solar energy storage device can be placed in the sun for charging when not being used in daily life, so that the emergency use is facilitated, and the energy storage device is ensured to be electrified at any time; energy storage battery group that a plurality of lithium iron phosphate batteries through longitudinal arrangement assembled improves energy storage equipment's stored energy, and through the charge-discharge of two energy storage mainboard control energy storage battery groups in addition, the process security is better, and it is also still less to generate heat.

Drawings

FIG. 1 is a schematic view of the upper part of the split structure of the present invention;

FIG. 2 is a schematic view of the lower part of the splitting structure of the present invention;

in the figure: 1. a photovoltaic module; 2. a photovoltaic inverter; 3. an output-input socket board; 4. manually pulling the protective cover; 5. an upper housing; 6. a lower housing; 7. an energy storage main board; 8. mounting a plate; 9. lifting the pull belt; 10. a rotating shaft; 11. a lithium iron phosphate battery; 12. a protective barrier; 13. a heat dissipation plate; 14. a DC/AC inverter.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the utility model easy to understand and understand, the utility model is further explained by combining with the specific figures.

As shown in fig. 1 and 2, an emergency energy storage device comprises an upper housing 5 and a lower housing 6, wherein the upper housing 5 and the lower housing 6 are connected through two mounting plates 8 positioned at two sides, the side section of the upper housing 5 is in an L shape, a photovoltaic module 1 is arranged above the upper housing 5, a photovoltaic inverter 2 is arranged below the photovoltaic module 1, the photovoltaic inverter 2 is embedded in the upper housing 5, a DC/AC inverter 14 is embedded below the upper housing 5, an output and input socket 3 is arranged above the DC/AC inverter 14, a manual drawing protective cover 4 is arranged outside the output and input socket 3, the side section of the lower housing 6 is rectangular, heat dissipation ports are arranged on the left side and the right side of the lower housing 6, the front side and the rear side of the lower housing 6 are both packaged through a heat dissipation plate 13, an energy storage battery pack assembled by a plurality of lithium iron phosphate batteries 11 arranged longitudinally in the lower housing 6, and a protective partition plate, an energy storage main board 7 is arranged at the front and the rear of the energy storage battery pack, the energy storage main board 7 is connected with a photovoltaic inverter 2, a DC/AC inverter 14 and an output and input socket board 3 through circuits, a mounting board 8 passes through a threaded hole to fix an upper shell 5 and a lower shell 6 through bolts, a rotating shaft 10 is arranged at the outer side of the mounting board 8, a lifting belt 9 is connected between the rotating shafts 10, the output and input socket board 3 comprises an AC power output interface, a DC power output and input interface, three sockets, two sockets and corresponding power supply sockets of household appliances, a battery pack management module, a battery string management module, an energy storage battery unit management module and a plurality of power supply interfaces are arranged on the energy storage main board, the power supply interfaces of the front and rear energy storage main boards 7 are alternately connected with all the lithium iron phosphate batteries 11 inside at intervals in sequence, and a heat dissipation port is arranged inside the heat dissipation plate 13 and used for dissipating heat for the energy storage main boards 7.

During actual assembly, according to the structure, electrical components are sequentially placed inside the upper shell 5 and the lower shell 6 and are connected with the device through the mounting plate 8, wherein the battery pack management module, the battery string management module and the energy storage battery unit management module can realize battery state monitoring, operation control, insulation monitoring, balance management, protection alarm, communication functions and the like, and normal, stable and safe operation of the system is ensured through real-time detection of the state of the battery; the consistency of the battery is monitored, and the battery is maintained through balance, so that the service efficiency and the service life of the battery system are ensured.

The lithium iron phosphate battery 11 adopts a special laser welding technology of an explosion-proof valve and a cover plate, the starting pressure of the explosion-proof valve is stable, reasonable starting pressure is set according to internal pressure test data of various safety test batteries, so that the single battery is prevented from exploding under various limit conditions (such as acupuncture, impact, short circuit, overcharge/discharge, burning, pressurization and the like), a multiple protection method is adopted in the design of a main circuit of an energy storage battery pack assembled by the lithium iron phosphate battery 11 in series, a load isolation switch and a protection partition plate 12 are arranged, the main circuit is mainly used for realizing the isolation of a battery string, a main contactor is arranged, and the automatic grid connection, grid disconnection, fault isolation and grid connection recovery function after fault of the iron phosphate battery 11 string are realized under the control of an energy storage main; the battery system is in the operation in-process, when BMS detected the fault signal, the unit sent alarm information, the shutoff of simultaneous control contactor, system shutdown is equipped with the direct current fuse-link in addition, adopts the super fast fuse-link of direct current, when the unexpected accident of group battery primary circuit or short circuit, the instantaneous increase of major loop current value, the fuse can be fused fast to the heavy current to cut off the primary circuit, effectual protection group battery further prevents that the trouble from expanding and causing secondary fault.

The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An emergency energy storage device, characterized in that: the energy-saving battery comprises an upper shell and a lower shell, wherein the upper shell and the lower shell are connected through two mounting plates positioned on two sides, the lateral section of the upper shell is L-shaped, a photovoltaic assembly is arranged above the upper shell, a photovoltaic inverter is arranged below the photovoltaic assembly, the photovoltaic inverter is embedded and installed inside the upper shell, a DC/AC inverter is embedded below the upper shell, an output and input socket plate is arranged above the DC/AC inverter, a manual drawing protective cover is arranged outside the output and input socket plate, the lateral section of the lower shell is rectangular, heat dissipation ports are formed in the left side and the right side of the lower shell, the front side and the rear side of the lower shell are packaged through a heat dissipation plate, a plurality of longitudinally-arranged lithium iron phosphate battery assembled energy-storage battery packs are arranged inside the lower shell, and protective clapboards are arranged between adjacent lithium iron, the energy storage battery pack is provided with an energy storage main board at the front and the rear,

the energy storage main board is connected with the photovoltaic inverter, the DC/AC inverter and the output and input socket board through lines.

2. The emergency energy storage device of claim 1, wherein: the mounting panel pass the fixed casing of going up of screw hole and casing down through the bolt, the mounting panel outside all be equipped with a pivot, the pivot between be connected with the lifting belt.

3. The emergency energy storage device of claim 1, wherein: the energy storage mainboard is provided with a battery pack management module, a battery string management module, an energy storage battery unit management module and a plurality of power supply interfaces, wherein the power supply interfaces of the front and rear energy storage mainboards are alternately connected with all internal lithium iron phosphate batteries in sequence at intervals.

4. The emergency energy storage device of claim 1, wherein: the heat dissipation plate is internally provided with a heat dissipation port for dissipating heat of the energy storage main board.