CN111883703A

CN111883703A - Mobile energy storage device

Info

Publication number: CN111883703A
Application number: CN202010655178.5A
Authority: CN
Inventors: 黄伟金; 陈赵云; 阳维; 郑定松; 孟辉
Original assignee: Zhuhai Gushine Electronic Technology Co ltd
Current assignee: Zhuhai Gushine Electronic Technology Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2020-11-03

Abstract

The invention discloses a mobile energy storage device which comprises a casing, a cell module frame, a cell module, an inverter frame, an inverter, an alternating current output port, a mainboard, a direct current output port and a charging port, wherein a rib plate is arranged on the inner wall of the casing; the battery cell module frame body is arranged in the shell and connected with the rib plate, the battery cell module is arranged in the battery cell module frame body, and the battery cell module comprises a plurality of battery cells; the inverter frame body is arranged in the shell and connected with the rib plate, the inverter is arranged in the inverter frame body, and the output end of the inverter is electrically connected with the alternating current output port; the input and the electric core electric connection of mainboard, the output and the voltage output port of mainboard, charge port, dc-to-ac converter electric connection. The battery cell module and the inverter are separated, so that the assembly of the mobile energy storage device is facilitated, the mutual influence is avoided, the connection among the casing, the battery cell module frame body and the inverter frame body is firm, the structural strength is good, and the reliability and the safety are good.

Description

Mobile energy storage device

Technical Field

The invention relates to the field of energy storage devices, in particular to a mobile energy storage device.

Background

An energy storage device for storing electricity is also called an energy storage battery, and mainly refers to a storage battery for storing energy sources of solar power generation equipment, wind power generation equipment and renewable energy sources. For example, in the case of temporary power supply in a home or short-term power consumption in outdoor life, a movable energy storage device is needed to supply power to office equipment, household electrical equipment and entertainment equipment. The energy storage device of the existing stage generally adopts a form of combining a plurality of battery cores for power supply, but the structure of the energy storage device is too compact, various components are tightly arranged together, when the energy storage device encounters vibration or collision, the components inside are easily damaged, the energy storage device can be caused to be in short circuit and be on fire under severe conditions, the reliability and the safety performance are general, the heat productivity of the energy storage device is large, the heat dissipation of the energy storage device is not facilitated, and the power and the energy efficiency of the energy storage device are further influenced.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the mobile energy storage device which is high in structural strength, good in reliability and safety and complete in function.

The mobile energy storage device comprises a machine shell, a battery cell module frame, a battery cell module, an inverter frame, an inverter, an alternating current output port, a mainboard, a direct current output port and a charging port, wherein a rib plate is arranged on the inner wall of the machine shell; the battery cell module frame body is arranged in the shell and connected with the rib plate, the battery cell module is arranged in the battery cell module frame body, and the battery cell module comprises a plurality of battery cells; the inverter frame body is arranged in the shell and connected with the rib plate, the inverter is arranged in the inverter frame body, and the output end of the inverter is electrically connected with the alternating current output port; the input end of the mainboard is electrically connected with the battery cell, and the output end of the mainboard is electrically connected with the voltage output port, the charging port and the inverter.

The mobile energy storage device provided by the embodiment of the invention at least has the following beneficial effects: the battery cell module is arranged in the battery cell module frame body, the inverter is arranged in the inverter frame body, the battery cell module frame body and the inverter frame body are both connected with the rib plates, functional areas are divided equivalently, assembly of the mobile energy storage device is facilitated, the battery cell module and the inverter are separated, influence on each other is avoided, the shell is firm in connection of the battery cell module frame body and the inverter frame body, the structural strength is good, when vibration or collision occurs, the battery cell module and the inverter can be still effectively protected, short circuit is reduced, risks of fire and explosion are reduced, and reliability and safety of the mobile energy storage device are improved. The power supply is provided with an alternating current output port and a direct current output port, can output alternating current and direct current, can meet the requirements of alternating current and direct current power utilization, and is complete in function.

According to some embodiments of the invention, the inverter frame, the rib plate, and the cell module frame are sequentially connected by a first connecting member, and a bottom of the cell module frame is connected to the casing.

According to some embodiments of the present invention, the inverter frame body is provided with a ventilation opening, the inverter frame body is provided with a heat dissipation fan at a position corresponding to the ventilation opening, and the casing is provided with a ventilation window.

According to some embodiments of the present invention, two of the side walls of the housing are opened with openings, the two openings are covered with a first panel and a second panel respectively, and the ac output port, the dc output port and the charging port are respectively disposed on the first panel and the second panel.

According to some embodiments of the invention, the dc output port comprises a vehicle charging port, a plurality of USB interfaces, and a wireless charging module.

According to some embodiments of the invention, the wireless charging module is disposed on the top of the housing, and a shielding case is disposed below the wireless charging module.

According to some embodiments of the invention, a cavity is arranged in the cell module frame, a plurality of limiting convex stops and a plurality of air holes are arranged on the side wall of the cavity, a support rib is arranged at the bottom of the cavity, and the cell module is arranged on the support rib and abutted against the limiting convex stops.

According to some embodiments of the present invention, the battery cell module further includes a battery cell support, the battery cell support is provided with a plurality of battery cell slots for accommodating the battery cells, and a circumferential side wall of the battery cell slot is of a full-wrapping structure.

According to some embodiments of the invention, the cell support comprises an upper support component and a lower support component, and the upper support component and the lower support component are connected in a clamping manner.

According to some embodiments of the invention, the battery cell slot penetrates through the upper support assembly and the lower support assembly, and a stopper for limiting the battery cell is arranged at each of the upper end of the upper support assembly and the lower end of the lower support assembly.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a mobile energy storage device according to an embodiment of the invention;

fig. 2 is a second schematic structural diagram of a mobile energy storage device according to an embodiment of the invention;

FIG. 3 is a schematic cross-sectional view of a mobile energy storage device according to an embodiment of the invention;

FIG. 4 is a schematic diagram of a mechanism of a mobile energy storage device according to an embodiment of the present invention after hiding a second panel, a vehicle charging port, and an AC output port;

fig. 5 is a schematic mechanism diagram of a cell module frame, a cell module, and a motherboard in a mobile energy storage device according to an embodiment of the present invention;

fig. 6 is a schematic mechanism diagram of a cell module frame in the mobile energy storage device according to the embodiment of the present invention;

fig. 7 is a schematic mechanism diagram of a battery cell module and a main board in the mobile energy storage device according to the embodiment of the present invention;

fig. 8 is a schematic mechanism diagram of a battery cell support in the mobile energy storage device according to the embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to the orientation description, such as the directions of up, down, front, rear, left, right, etc., may be based on those shown in the drawings, only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, 2, 3 and 7, the invention discloses a mobile energy storage device, which includes a casing 100, a cell module frame 200, a cell module 300, an inverter frame 400, an inverter 500, an ac output port 600, a motherboard 700, a dc output port 800 and a charging port 900, wherein a rib plate 110 is arranged on the inner wall of the casing 100; the cell module frame 200 is arranged in the casing 100 and connected with the rib plate 110, the cell module 300 is arranged in the cell module frame 200, and the cell module 300 comprises a plurality of cells 310; the inverter frame 400 is arranged in the machine shell 100 and connected with the rib plate 110, the inverter 500 is arranged in the inverter frame 400, and the output end of the inverter 500 is electrically connected with the alternating current output port 600; the input end of the motherboard 700 is electrically connected to the battery cell 310, and the output end of the motherboard 700 is electrically connected to the voltage output port 800, the charging port 900, and the inverter 500.

In electric core module framework 200 was located to electric core module 300, inverter 500 was located in inverter framework 400, and electric core module framework 200 and inverter framework 400 all are connected with gusset 110, the partition of functional area has been realized in other words, be favorable to removing energy memory's assembly, separate electric core module 300 and inverter 500, avoid producing the influence each other, and casing 100, electric core module framework 200 and inverter framework 400 three's firm in connection, structural strength is better, when vibration or collision take place, still can effectively protect electric core module 300 and inverter 500, reduce the short circuit, the risk of catching fire and explosion, the reliability and the security that remove energy memory have been improved. The alternating current output port 600 and the direct current output port 800 are arranged, alternating current and direct current can be output, the requirements of alternating current and direct current power utilization can be met, and the functions are complete.

It should be understood that the inverter 500 converts the direct current of the battery cell 310 into an alternating current for output, and the voltage of the alternating current output by the inverter 500 may be determined according to the voltage used in different countries or regions, including 220V, 100V or other voltage values.

In some embodiments of the present invention, the inverter frame 400, the rib plate 110, and the cell module frame 200 are sequentially connected by a first connecting member, so that the casing 100, the cell module frame 200, and the inverter frame 400 form a firm whole, and the structural strength is improved; the battery cell module frame body 200 is relatively heavy in load, the bottom of the battery cell module frame body 200 is connected with the casing 100, and the battery cell module frame body 200 is further fixed in the casing 100, so that the strength of the battery cell module frame body 200 is ensured, and the battery cell module frame body 200 is prevented from being damaged when each region is unevenly stressed.

Referring to fig. 2 and 4, the inverter frame 400 is provided with a ventilation opening, the inverter frame 400 is provided with a heat dissipation fan 410 at the corresponding ventilation opening, and the casing 100 is provided with a ventilation window 120. The ventilation window 120 and the heat dissipation fan 410 can accelerate the circulation of air in the casing 100, thereby facilitating the heat dissipation of the inverter 500 and other heat generating components in the casing 100, and avoiding affecting the energy efficiency and power of the inverter 500 and other heat generating components.

In some embodiments of the present invention, two side walls of the casing 100 are opened, the first panel 130 and the second panel 140 are respectively covered at the two openings, and the ac output port 600, the dc output port 800 and the charging port 900 are respectively disposed on the first panel 130 and the second panel 140. The ac output port 600, the dc output port 800 and the charging port 900 are respectively disposed on the first panel 130 and the second panel 140, so as to facilitate connection between the mobile energy storage device and the electric device, and connection between the mobile energy storage device and the charger.

In some embodiments of the present invention, the dc output port 800 includes a vehicle charging port 810, a plurality of USB interfaces 820 and a wireless charging module 830, which can implement a plurality of connection modes between the mobile energy storage device and the dc power devices, so that the mobile energy storage device can supply power to a greater variety and/or a greater number of dc power devices. Further, the output voltage of the vehicle charging port 810 is 12V, and a first rubber plug is sleeved outside the vehicle charging port 810; the USB interface 820 comprises interfaces with the specification of outputting 5V/power 12W, outputting 12V/power 28W and outputting 20V/power 60W. The ac output port 600 is a socket, and a second rubber plug is sleeved outside the ac output port 600. And a display screen and a switch key are also arranged, and the display screen and the switch key are connected with the mainboard 700. Furthermore, the display screen, the switch keys, the USB interface 820 and the charging port 900 are disposed on the first panel 130; the vehicle charging port 810 and the ac output port 600 are provided on the second panel 140. The ventilation window 120 is disposed on the second panel 140, and the ventilation opening and the heat dissipation fan 410 face the ventilation window 120. The number of the heat dissipation fans 410 is two, and the heat dissipation fans 410 are convection fans.

In some embodiments of the present invention, the wireless charging module 830 is disposed on the top of the casing 100, and the shielding cover 150 is disposed below the wireless charging module 830. The wireless charging module 830 can be used for charging the electric device with a wireless charging function, and the shielding case 150 can prevent the wireless charging module 830 from being subjected to electromagnetic interference.

Referring to fig. 5 and 6, a cavity 210 is disposed in the cell module frame 200, a plurality of limiting convex stops 220 and a plurality of vent holes 230 are disposed on a sidewall of the cavity 210, a support rib 240 is disposed at the bottom of the cavity 210, and the cell module 300 can be disposed on the support rib 240 and abut against the limiting convex stops 220.

When the battery cell module 300 is placed in the cavity 210, the support ribs 240 play a role in supporting the battery cell module 300, so that the bottom surface of the battery cell module 300 is prevented from being attached to the bottom surface of the cavity 210; the side surface of the battery cell module 300 is provided with a limiting groove, the limiting convex stop 220 can extend into the limiting groove, the limiting convex stop 220 prevents the side surface of the battery cell module 300 from being attached to the side surface of the cavity 210, and the limiting convex stop 220 plays a role in limiting the horizontal movement of the battery cell module 300; the battery cell module frame body 200 contains and wraps the battery cell module 300, and when vibration or collision occurs, the battery cell module frame body 200 can effectively protect the battery cell module 300, so that the battery cell module 300 is prevented from being damaged due to direct stress, and the safety and the reliability of the battery cell module 300 are improved. The peripheral walls of the cell module 300 and the cavity 210 are not in surface-to-surface fit, and the side wall of the cavity 210 is provided with the air holes 230, so that air circulation is facilitated, and heat dissipation of the cell module 300 is facilitated.

In some embodiments of the present invention, the limiting convex stops 220 are distributed on the left and right side walls of the cavity 210, the upper end surfaces of the limiting convex stops 220 are connected to the rib plates 110, the structural size of the limiting convex stops 220 is relatively thick, the structural strength is greater than that of other areas of the cell module frame 200, and the rib plates 110 are connected to the upper end surfaces of the limiting convex stops 220, so that the structural strength of the entire cell module frame 200 is not damaged.

In some embodiments of the present invention, the left and right sidewalls of the chamber 210 extend to the outer sides of the front and rear sidewalls of the chamber 210, and the airing holes 230 are distributed on the front and rear sidewalls of the chamber 210. Because the left and right side walls of the cavity 210 extend to the outer sides of the front and rear side walls of the cavity 210, the outer sides of the air holes 230 are open areas, which is beneficial to the circulation of air, and is beneficial to the convection formed between the air holes 230 on the front and rear side walls, so as to accelerate the heat dissipation of the cell module 300. And the wires may be arranged through the airing holes 230.

In some embodiments of the present invention, the bottom surface of the cell module frame 200 is provided with an elastic cushion block 250. The transition of the elastic cushion block 250 between the battery cell module frame body 200 and other components can make the battery cell module frame body 200 have a certain shockproof effect, which is beneficial to protecting the battery cell module 300. The bottom of the chamber 210 is connected to the cell module 300, so as to prevent the cell module 300 from moving in the vertical direction.

Referring to fig. 7 and 8, the battery cell module 300 further includes a battery cell support 320, a plurality of battery cell slots 321 for accommodating the battery cells 310 are formed in the battery cell support 320, and a circumferential side wall of each battery cell slot 321 is of a full-package structure. Each battery cell 310 is separated by the battery cell 321, and because the circumferential side wall of the battery cell 321 is of a full-wrapping structure, the strength of the battery cell support 320 is improved, short circuit, fire and explosion of a single battery cell 310 can be effectively avoided, and when a collision accident occurs, each battery cell 310 can still be effectively separated by the battery cell support 320, so that the safety of the battery cell module 300 is improved.

Be equipped with many support columns 322 on the electric core support 320, mainboard 700 board is located on support column 322, and support column 322 highly enough high. The support posts 322 can effectively separate the motherboard 700 and the battery cell 310, and at the same time, facilitate heat dissipation of the battery cell 310.

In some embodiments of the present invention, the battery cell support 320 includes an upper support assembly 323 and a lower support assembly 324, and the upper support assembly 323 and the lower support assembly 324 are connected by a snap-fit manner. The upper support assembly 323 and the lower support assembly 324 are clamped together to achieve quick splicing or disassembly, so that the battery cell 310 is convenient to mount or dismount. It can be understood that the lower end of the upper bracket assembly 323 is provided with a slot, the upper end of the lower bracket assembly 324 is provided with a buckle matched with the slot, the buckle is clamped into the slot to connect the upper bracket assembly 323 and the lower bracket assembly 324 together, and the buckle falls off from the slot to disassemble the upper bracket assembly 323 and the lower bracket assembly 324.

In some embodiments of the present invention, the battery cell slot 321 penetrates through the upper support assembly 323 and the lower support assembly 324, a stopper 325 for limiting the battery cell 310 is disposed at an upper end of the upper support assembly 323 and a lower end of the lower support assembly 324, and the stopper 325 can prevent the battery cell 310 from falling out of the battery cell slot 321. It should be understood that the cell support 320 is provided with a plurality of rows of cell slots 321, the cell slots 321 between the rows are distributed in a staggered manner, the stop 325 is located in an area between three cell slots 321, and a part of the structure of the stop 325 is blocked in an opening area of the cell slots 321 to block the cells 310 from moving axially along the cell slots 321.

In some embodiments of the present invention, the battery cell support 320 is provided with a positioning column 326 for limiting the position of the motherboard 700, and the motherboard 700 can be quickly positioned on the supporting column 322 by the positioning column 326, so that the motherboard 700 is conveniently fixed on the correct position on the supporting column 322. The number and the spacing between the supporting posts 322 and the positioning posts 326 can be determined according to the size of the motherboard 700, in some embodiments, the cross section of the positioning posts 326 is cross-shaped, a cross-shaped groove or a cross-shaped through hole is formed in the motherboard 700 at a position corresponding to the positioning posts 326, the positioning posts 326 extend into the cross-shaped groove or the cross-shaped through hole, and the motherboard 700 cannot translate or rotate. In other embodiments, the positioning posts 326 are small in top and large in bottom, and positioning grooves or positioning through holes are disposed on the main board 700 at positions corresponding to the positioning posts 326, and the positioning posts 326 can extend into the positioning grooves or the positioning through holes.

In some embodiments of the present invention, the battery cell holder 320 has a guide block 327 and a guide groove 328 on a side surface thereof, and the guide block 327 of the battery cell holder 320 is capable of being matched with the guide groove 328 of another battery cell holder 320. The cell supports 320 and the cell supports 320 can be quickly spliced by the guide blocks 327 and the guide grooves 328, and a user can select the number of the cell supports 320 as required, so that the cell modules 300 with different capacities can be obtained.

In some embodiments of the present invention, the lower end surface of the battery cell support 320 is provided with a slot for accommodating a nickel plate. The nickel piece is used for being connected between electric core 310 and electric core 310 to and between electric core 310 and the mainboard 700, and the nickel piece holds in the trench, can avoid colliding with the nickel piece, thereby realizes the function of protection nickel piece.

The inverter frame 400 has reinforcing ribs on its side walls, and the inverter 500 is connected to the reinforcing ribs. The inverter frame 400 is provided with first connection posts on the side surfaces corresponding to the first panel 130 and the second panel 140, and the first connection posts are connected to the first panel 130 and the second panel 140. The battery cell module frame 200 is provided with a second connecting column on the side corresponding to the first panel 130 and the second panel 140, and the second connecting column is connected with the first panel 130 and the second panel 140.

The bottom of the casing 100 is provided with a plurality of spacers 160, and the spacers 160 are provided with second connectors, which are embedded in the spacers and connect the casing 100 and the cell module frame 200 together. The pad 160 may be made of silicone. The first and second connectors may each be a screw. Handles are provided at both ends of the upper end surface of the casing 100. The upper surface of the wireless charging module 830 is provided with a silica gel layer, and the surface of the silica gel layer is provided with grains, so that the electric equipment is prevented from sliding when being charged. The bottom surface of the casing 100 is hollowed out so that the casing 100 can be placed in an uneven position.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A mobile energy storage device, comprising:

the motor shell comprises a motor shell (100), wherein rib plates (110) are arranged on the inner wall of the motor shell (100);

the battery cell module comprises a battery cell module frame body (200), wherein the battery cell module frame body (200) is arranged in the casing (100) and is connected with the rib plate (110), a battery cell module (300) is arranged in the battery cell module frame body (200), and the battery cell module (300) comprises a plurality of battery cells (310);

the inverter frame body (400) is arranged in the machine shell (100) and connected with the rib plate (110), an inverter (500) is arranged in the inverter frame body (400), and the output end of the inverter (500) is electrically connected with an alternating current output port (600); the battery cell structure comprises a main board (700), wherein the input end of the main board (700) is electrically connected with the battery cell (310), the output end of the main board (700) is electrically connected with a direct current output port (800) and a charging port (900), and the inverter (500) is electrically connected with the output end of the main board (700).

2. The mobile energy storage device of claim 1, wherein: the inverter frame (400), the rib plate (110) and the cell module frame (200) are sequentially connected through a first connecting piece, and the bottom of the cell module frame (200) is connected with the casing (100).

3. The mobile energy storage device of claim 1, wherein: the inverter frame body (400) is provided with a ventilation opening, the inverter frame body (400) is provided with a cooling fan (410) corresponding to the ventilation opening, and the shell (100) is provided with a ventilation window (120).

4. The mobile energy storage device of claim 1, wherein: two of the side walls of the case (100) are provided with openings, the two openings are respectively covered with a first panel (130) and a second panel (140), and the alternating current output port (600), the direct current output port (800) and the charging port (900) are respectively arranged on the first panel (130) and the second panel (140).

5. The mobile energy storage device of claim 1, wherein: the direct current output port (800) comprises a vehicle charging port (810), a plurality of USB interfaces (820) and a wireless charging module (830).

6. The mobile energy storage device of claim 5, wherein: the wireless charging module (830) is arranged at the top of the machine shell (100), and a shielding cover (150) is arranged below the wireless charging module (830).

7. The mobile energy storage device of claim 1, wherein: be equipped with cavity (210) in electric core module framework (200), be equipped with a plurality of spacing protruding shelves (220) and a plurality of bleeder vent (230) on the lateral wall of cavity (210), the bottom of cavity (210) is equipped with brace rod (240), electric core module (300) are located on brace rod (240) and butt spacing protruding shelves (220).

8. The mobile energy storage device of claim 1, wherein: the battery cell module (300) further comprises a battery cell support (320), a plurality of battery cell grooves (321) which can be used for accommodating the battery cells (310) are formed in the battery cell support (320), and the circumferential side wall of each battery cell groove (321) is of a full-wrapping structure.

9. The mobile energy storage device of claim 8, wherein: the battery core support (320) comprises an upper support component (323) and a lower support component (324), and the upper support component (323) is connected with the lower support component (324) in a clamping manner.

10. The mobile energy storage device of claim 9, wherein: the battery cell slot (321) penetrates through the upper support assembly (323) and the lower support assembly (324), and stop blocks (325) used for limiting the battery cell (310) are arranged at the upper end of the upper support assembly (323) and the lower end of the lower support assembly (324).