CN220172865U

CN220172865U - Multifunctional energy storage equipment

Info

Publication number: CN220172865U
Application number: CN202321385159.0U
Authority: CN
Inventors: 喻小明; 贾忠贵; 吴志华; 林德彬
Original assignee: Shenzhen Meihua Energy Technology Co ltd
Current assignee: Shenzhen Meihua Energy Technology Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-12-12
Anticipated expiration: 2033-05-31

Abstract

The utility model relates to the field of energy equipment and discloses multifunctional energy storage equipment, which comprises a battery pack and a control device, wherein the control device comprises a box body which is lapped on the battery pack, and a first interface box and a second interface box which are detachably arranged on two sides of the box body, a BMS module and an inversion rectifying module which are electrically connected with each other are arranged in the box body, a communication unit which is electrically connected with the BMS module and a power transmission unit which is electrically connected with the inversion rectifying module are arranged on the first interface box, and a commercial power interaction unit which is electrically connected with the inversion rectifying module is arranged on the second interface box, so that the free switching use of electric energy in equipment storage and electric energy of a power grid is realized, and meanwhile, a rectifying module for converting direct current and alternating current is additionally arranged, and the electricity safety of the equipment is improved.

Description

Multifunctional energy storage equipment

Technical Field

The utility model relates to the field of energy equipment, in particular to multifunctional energy storage equipment.

Background

With the development of science and technology, more and more convenient electrical equipment benefits to the life of people, but due to the fact that the electrical equipment is used too much, the electricity consumption is increased, and in some areas with higher electricity prices, the electricity charge is not low.

The existing energy storage equipment is used for collecting solar energy, wind energy and other clean energy sources so as to supply daily use of household electrical equipment, so that partial electricity charge is reduced, but the existing energy storage equipment only performs energy storage and energy discharging, which is equivalent to a large-size charge pal, and the energy storage equipment has a single function, and once the electric quantity of the energy storage equipment is used up, a user is required to automatically switch the mains supply for use, so that the energy storage equipment is more troublesome.

Disclosure of Invention

The main object of the present utility model is to provide a multifunctional energy storage device solving the above problems.

The utility model provides a multifunctional energy storage device which comprises a battery pack and a control device, wherein the control device comprises a box body which is lapped on the battery pack, a first interface box and a second interface box which are detachably arranged on two sides of the box body, a BMS module and an inversion rectifying module which are electrically connected with each other are arranged in the box body, a communication unit which is electrically connected with the BMS module and a power transmission unit which is electrically connected with the inversion rectifying module are arranged on the first interface box, and a commercial power interaction unit which is electrically connected with the inversion rectifying module is arranged on the second interface box.

Preferably, both sides of the box body are provided with through grooves communicated with the inside of the box body, the inner walls of the through grooves are provided with inner ring steps, the first interface box is provided with fixing wings matched with the inner ring steps, the first interface box is embedded in the through grooves and connected with the inner ring steps, and the structure of the second interface box is identical to that of the first interface box.

Preferably, the connection mode of the fixed wing and the inner ring step comprises one of welding, riveting, screw fixing and buckling.

Preferably, the box body and the battery pack are respectively provided with a male connector and a female connector which are electrically connected with each other, and the female connector is electrically connected with the BMS module.

Preferably, a DC/DC isolation module is arranged in the box body and is electrically connected between the battery pack and the BMS module.

Preferably, a protection module is arranged in the box body, and the battery pack is electrically connected with the power transmission unit through the protection module.

Preferably, the protection module comprises a fuse and a direct current switch, the power transmission unit comprises a discharging interface and a charging interface, the direct current switch is in signal connection with the BMS module, the fuse is connected between the battery pack and the discharging interface, and the direct current switch is connected between the battery pack and the charging interface; the direct current switch detects and controls start and stop through the BMS module.

The utility model has the beneficial effects that: the utility model provides a multi-functional energy storage equipment, it includes group battery and controlling means, controlling means including overlap joint in box on the group battery and detachably install in first interface box and the second interface box of box both sides, be equipped with mutual electric connection's BMS module and contravariant rectifier module in the box, be equipped with on the first interface box with BMS module electric connection's communication unit and all with contravariant rectifier module electric connection's transmission unit, be equipped with on the second interface box with contravariant rectifier module electric connection's commercial power interactive unit, realize the free switching use of electric energy in the equipment storage and the electric energy of electric wire netting, add direct current and alternating current conversion's rectifier module simultaneously, improve equipment's power consumption security.

Drawings

FIG. 1 is a schematic explosion diagram of an embodiment of the present utility model;

FIG. 2 is a schematic explosion diagram II of an embodiment of the present utility model;

FIG. 3 is an exploded view of the control device of the present utility model;

fig. 4 is a schematic diagram of a power interaction structure according to an embodiment of the utility model.

Reference numerals in the drawings: 100 battery packs, 200 control devices, 300 boxes, 301BMS modules, 302 inverter rectification modules, 303 through grooves, 304 inner ring steps, 305DC/DC isolation modules, 306 protection modules, 3061 fuses, 3062 DC switches, 400 first interface boxes, 401 communication units, 402 power transmission units, 403 fixed wings, 500 second interface boxes and 501 mains supply interaction units.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a multifunctional energy storage device in a first aspect, which includes a battery pack 100 and a control apparatus 200, wherein the control apparatus 200 includes a case 300 overlapped on the battery pack 100, a first interface box 400 and a second interface box 500 detachably mounted on two sides of the case 300, a BMS module 301 and an inverter rectifying module 302 electrically connected to each other are disposed in the case 300, a communication unit 401 electrically connected to the BMS module 301 and a power transmission unit 402 electrically connected to the inverter rectifying module 302 are disposed on the first interface box 400, and a mains supply interaction unit 501 electrically connected to the inverter rectifying module 302 is disposed on the second interface box 500. The power transmission unit 402 includes a discharge interface and a charge interface.

Specifically, the multifunctional energy storage device in this embodiment has two power supply modes, the first is that the device is connected to a discharge interface, the device can call electric energy from the battery pack 100 and process the electric energy through the inversion rectification module 302 to output a direct current power supply, the second is that the device is connected to the mains supply interaction unit 501, calls electric energy from the battery pack 100 and processes the electric energy through the inversion rectification module 302 to output an alternating current power supply, so as to realize two types of power supply, wherein the alternating current power supply connected to the mains supply interaction unit 501 needs to know the situation of local mains supply in advance, and the power supply of the same output alternating current power supply and the mains supply is regulated in the inversion rectification module 302.

The multifunctional energy storage device in this embodiment has two charging modes, the first is connected from the charging interface, and can directly store the direct current power supply, for example, the direct current power supply provided by light energy, wind energy or a fuel generator, and the second is connected from the mains supply interaction unit 501.

In practical application, the BMS module 301 controls the charging mode and the power supply mode as follows:

when an external electric appliance is connected to the multifunctional energy storage device, the BMS module 301 preferentially supplies the electric appliance with the power in the battery pack 100, if the power detection of the internal power supply is insufficient, the commercial power is called by the commercial power interaction unit 501 to compensate, and the power forms stored in the commercial power and the battery pack 100 cannot be regulated through the inverter rectification module 302 during output so as to ensure that the electric appliance can obtain a safe power supply, and the charging logic is the same as that described above, however, it is noted that the charging can preferentially obtain and charge a certain cheaper time period of the commercial power price so as to maximize the economic benefit.

Further, both sides of the box 300 are respectively provided with a through groove 303 communicated with the interior of the box 300, the inner wall of the through groove 303 is provided with an inner ring step 304, the first interface box 400 is provided with a fixing wing 403 adapted to the inner ring step 304, the first interface box 400 is embedded in the through groove 303 and the fixing wing 403 is connected with the inner ring step 304, and the second interface box 500 has the same structure as the first interface box 400.

Further, the connection mode between the fixing wing 403 and the inner ring step 304 includes one of welding, riveting, screw fixing and fastening.

Further, the case 300 and the battery pack 100 are respectively provided with a male connector and a female connector electrically connected to each other, and the female connector is electrically connected to the BMS module 301.

Further, a DC/DC isolation module 305 is disposed in the case 300, and the DC/DC isolation module 305 is electrically connected between the female connector and the BMS module 301.

Further, a protection module 306 is disposed in the case 300, and the battery pack is electrically connected to the power transmission unit 402 through the protection module 306.

Further, the protection module 306 includes a fuse 3061 and a dc switch 3062, the dc switch 3062 is in signal connection with the BMS module 301, the fuse 3061 is connected between the battery pack and the discharging interface, and the dc switch 3062 is connected between the battery pack and the charging interface; wherein, the direct current switch 3062 detects and controls start and stop through the BMS module 301.

The foregoing is merely exemplary of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the inventive concept, which fall within the scope of the utility model.

Claims

1. A multi-functional energy storage device, comprising:

a battery pack;

the control device comprises a box body which is lapped on the battery pack and a first interface box and a second interface box which are detachably arranged on two sides of the box body, wherein a BMS module and an inversion rectifying module which are electrically connected with each other are arranged in the box body, a communication unit which is electrically connected with the BMS module and a power transmission unit which is electrically connected with the inversion rectifying module are arranged on the first interface box, and a commercial power interaction unit which is electrically connected with the inversion rectifying module is arranged on the second interface box.

2. The multifunctional energy storage device of claim 1, wherein through grooves communicated with the inside of the box body are formed in two sides of the box body, inner ring steps are formed in the inner walls of the through grooves, fixed wings matched with the inner ring steps are arranged on the first interface box, the first interface box is embedded in the through grooves and connected with the inner ring steps, and the second interface box is identical in structure to the first interface box.

3. The multifunctional energy storage device of claim 2, wherein the connection mode of the fixing wing and the inner ring step comprises one of welding, riveting, screw fixing and fastening.

4. The multifunctional energy storage device of claim 1, wherein the housing and the battery pack are respectively provided with a male connector and a female connector which are electrically connected with each other, and the female connector is electrically connected with the BMS module.

5. The multifunctional energy storage device of claim 1, wherein a DC/DC isolation module is disposed in the case, and the DC/DC isolation module is electrically connected between the battery pack and the BMS module.

6. The multifunctional energy storage device of claim 1, wherein a protection module is disposed in the case, and the battery pack is electrically connected with the power transmission unit through the protection module.

7. The multifunctional energy storage device of claim 6, wherein the protection module comprises a fuse and a direct current switch, the power transmission unit comprises a discharging interface and a charging interface, the direct current switch is in signal connection with the BMS module, the fuse is connected between the battery pack and the discharging interface, and the direct current switch is connected between the battery pack and the charging interface;

the direct current switch detects and controls start and stop through the BMS module.