CN213520187U

CN213520187U - Multi-string lithium ion battery pack with protection plate for household energy storage

Info

Publication number: CN213520187U
Application number: CN202022986862.XU
Authority: CN
Inventors: 刘再成
Original assignee: Huizhou Meianshi Energy Technology Co Ltd
Current assignee: Huizhou Meianshi Energy Technology Co Ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-06-22
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a domestic energy storage is with many cluster lithium ion battery group that have protection shield, including box, shock attenuation board and bottom plate, the both sides fixed mounting of bottom plate bottom has the wheel, the top fixed mounting of bottom plate has the shock attenuation board, and fixed mounting has the spring between shock attenuation board and the bottom plate, movable mounting has the loop bar between the moving part, the fixed surface of box installs smooth frame, and movable mounting has the baffle between the smooth frame, box surface between the smooth frame is provided with the vent, and the inside fixed mounting of box body has radiator fan, the inside fixed mounting of box has lithium cell group, and the top fixed mounting of lithium cell group has the protection shield body. The utility model discloses a be provided with a series of structures and make this device can select initiative heat dissipation or natural heat dissipation according to user of service needs at the in-process that uses, can realize all filling of each monomer lithium ion battery of group battery, be convenient for remove the device.

Description

Multi-string lithium ion battery pack with protection plate for household energy storage

Technical Field

The utility model relates to a group battery technical field specifically is a domestic energy storage is with many strings of lithium ion battery group that have a protection shield.

Background

Lithium batteries are batteries which use lithium metal or lithium alloy as a positive/negative electrode material and use non-aqueous electrolyte solution, and can be roughly divided into two types, namely lithium metal batteries and lithium ion batteries, wherein the lithium ion batteries do not contain metallic lithium, so that a power supply in a house cannot be directly used under many special conditions in daily life, and power supply needs to be provided through a lithium ion battery pack.

The existing multi-string lithium ion battery pack for household energy storage has the defects that:

1. the conventional household energy storage multi-string lithium ion battery pack cannot select active heat dissipation or natural heat dissipation according to the needs of users, and cannot realize uniform charging of each single lithium ion battery of the battery pack;

2. the existing multi-string lithium ion battery pack for household energy storage is not convenient for a user to move, disassemble and store the device, and therefore the multi-string lithium ion battery pack with the protection plate for household energy storage is provided for solving the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a domestic energy storage is with many strings of lithium ion battery group that has the protection shield to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-string lithium ion battery pack with a protection plate for household energy storage comprises a box body, a damping plate and a bottom plate, wherein wheels are fixedly arranged on two sides of the bottom plate, the damping plate is fixedly arranged on the top of the bottom plate, a spring is fixedly arranged between the damping plate and the bottom plate, a moving part is fixedly arranged on the top of the bottom plate on one side of the damping plate, a fixed bolt is movably arranged between the moving part and the bottom plate, a loop bar is movably arranged between the moving part, a push rod is movably arranged in the loop bar, a box body is movably arranged on the top of the damping plate, a sliding frame is fixedly arranged on the surface of the box body, a baffle is movably arranged between the sliding frames, a limit bolt is movably arranged on one side of the surface of the baffle, a ventilation opening is arranged on the surface of the box body between the sliding frames, a filter screen is, and the inside fixed mounting of box body has radiator fan, the inside fixed mounting of box has lithium cell group, and the top fixed mounting of lithium cell group has the protection shield body.

Preferably, the top of the box body is movably provided with a box cover, and the top of the box cover is fixedly provided with a handle.

Preferably, the surface of the baffle is fixedly provided with a connecting piece, and the surface of the connecting piece is fixedly provided with a push plate.

Preferably, a threaded rod is fixedly installed between the wheels at the bottom of the bottom plate, and a fixing rod is movably installed at the bottom of the threaded rod.

Preferably, the surface of the push rod is provided with a clamping hole, the surface of the loop bar is movably provided with a positioning bolt, and the clamping hole is coincided with the positioning bolt.

Preferably, the top of the push rod is fixedly provided with push handles, and a holding rod is fixedly arranged between the push handles.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model can move between the sliding frames by pulling the baffle plate, and can radiate the heat by pulling the baffle plate upwards to make the external wind flow enter the box body through the ventilation opening, and can also electrify the cooling fan to help the lithium battery pack radiate the heat by the cooling fan, thereby facilitating the selection of active heat dissipation or natural heat dissipation by users according to the needs, preventing dust and sundries from entering the box body through the vent hole by the filter screen, sealing the vent hole by pulling down the baffle plate when heat dissipation is not carried out, the uniform charging of each single lithium ion battery of the battery pack is realized through the protective plate body, the charging effect under the series charging mode is effectively improved, and simultaneously, the overvoltage, undervoltage, overcurrent, short circuit and overtemperature states of each single battery in the battery pack are detected, the service life of the battery is protected and prolonged, and the electric energy is stored through the lithium battery pack, so that household energy storage is realized.

2. The utility model discloses a wheel reduces the frictional force between ground and the ground, the user of service makes the push rod at the inside activity of loop bar through the pulling push rod, adjust and fix the push rod behind the suitable position, jolt the vibrations that produce ground through damping plate and spring fit and slow down, prevent to shake and lead to the fact the damage to lithium cell group, thereby convenient to use personnel remove the device, can directly take off the box when not using bottom plate and damping plate, dismantle loop bar and push rod through twisting the gim peg, reduce area occupied, thereby convenient to use personnel accomodate loop bar and bottom plate and damping plate when not using bottom plate and damping plate.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of a partial structure of the box body and the box body of the present invention;

FIG. 3 is a schematic view of a partial structure of the slide frame and the baffle of the present invention;

fig. 4 is the local structure schematic diagram of the lithium battery pack and the protection plate of the present invention.

In the figure: 1. a box cover; 101. a handle; 2. a box body; 201. a vent; 3. a box body; 4. a sliding frame; 5. a baffle plate; 501. a connecting member; 502. pushing the plate; 503. a limit bolt; 6. a filter screen; 7. a damper plate; 701. a spring; 8. a base plate; 801. a wheel; 9. a push rod; 901. a clamping hole; 902. a push handle; 903. a holding rod; 10. a loop bar; 1001. positioning bolts; 11. a movable member; 1101. a fixing bolt; 12. a threaded rod; 1201. fixing the rod; 13. a heat radiation fan; 14. a lithium battery pack; 15. protect the board body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a household energy storage multi-string lithium ion battery pack with a protection plate comprises a box body 2, a shock absorption plate 7 and a bottom plate 8, wherein wheels 801 are fixedly installed on two sides of the bottom plate 8, the shock absorption plate 7 is fixedly installed on the top of the bottom plate 8, a spring 701 is fixedly installed between the shock absorption plate 7 and the bottom plate 8, a movable part 11 is fixedly installed on the top of the bottom plate 8 on one side of the shock absorption plate 7, a fixing bolt 1101 is movably installed between the movable part 11 and the bottom plate 8, a loop bar 10 is movably installed between the movable parts 11, a push rod 9 is movably installed inside the loop bar 10, a ZB0228 type protection plate is adopted as a protection plate body 15, friction force between the ground and the ground is reduced through the wheels 801, a user pulls the push rod 9 to enable the push rod 9 to move inside the loop bar 10, the push rod 9 is fixed after the adjustment to a proper position, vibration generated by, the damage of the lithium battery pack 14 caused by vibration is prevented, so that a user can conveniently move the device, the box body 2 can be directly taken down when the bottom plate 8 and the damping plate 7 are not used, the loop bar 10 and the push rod 9 are disassembled by screwing the fixing bolt 1101, the occupied area is reduced, so that the user can conveniently take the loop bar 10, the bottom plate 8 and the damping plate 7 when the bottom plate 8 and the damping plate 7 are not used, the box body 2 is movably arranged at the top of the damping plate 7, the sliding frames 4 are fixedly arranged on the surface of the box body 2, the baffle plates 5 are movably arranged between the sliding frames 4, the limit bolts 503 are movably arranged on one side of the surface of each baffle plate 5, the surface of the box body 2 between the sliding frames 4 is provided with a vent 201, the surface of the box body 2 at one end of the vent 201 is fixedly provided with a filter screen 6, the surfaces on two sides of the box, the inside fixed mounting of box 2 has lithium cell group 14, and the top fixed mounting of lithium cell group 14 has protection shield body 15, the user makes baffle 5 move about between smooth frame 4 through pulling baffle 5, upwards pull baffle 5 and make outside wind current get into box 2 through vent 201 and dispel the heat, also can energize radiator fan 13, help lithium cell group 14 to dispel the heat through radiator fan 13, thereby the user of being convenient for chooses initiative heat dissipation or natural heat dissipation as required, can prevent through filter screen 6 that dust and debris from getting into the inside of box 2 through vent 201, can pull down baffle 5 and seal vent 201 when not dispelling the heat, realize all charging of each monomer lithium ion battery of group battery through protection shield body 15, improved the charging effect under the series connection charging mode effectively, detect the excessive pressure of each monomer battery in the group battery simultaneously, Under-voltage, overcurrent, short circuit, excess temperature state, protection and extension battery life store the electric energy through lithium cell group 14 to realize domestic energy storage.

Further, the top movable mounting of box 2 has case lid 1, and the top fixed mounting of case lid 1 has handle 101, and the user opens case lid 1 through pulling handle 101 and maintains lithium cell group 14, increases the frictional force between user's palm and the case lid 1 through handle 101 to the user of being convenient for opens case lid 1.

Further, fixed surface of baffle 5 installs connecting piece 501, and fixed surface of connecting piece 501 installs push pedal 502, and the user promotes baffle 5 through holding push pedal 502 and moves about to the user of being convenient for adjusts baffle 5.

Further, a threaded rod 12 is fixedly installed between the wheels 801 at the bottom of the bottom plate 8, a fixing rod 1201 is movably installed at the bottom of the threaded rod 12, and a user can unscrew the fixing rod 1201 to be in contact with the ground when the user does not move the device, so that the user can limit the position of the device conveniently.

Furthermore, a clamping hole 901 is formed in the surface of the push rod 9, a positioning bolt 1001 is movably mounted on the surface of the loop bar 10, the clamping hole 901 is overlapped with the positioning bolt 1001, and a user can limit the position of the push rod 9 by screwing the positioning bolt 1001 into the clamping hole 901.

Further, the top fixed mounting of push rod 9 has and pushes away 902, and pushes away and have holding rod 903 between 902 fixed mounting, and the user of service pushes away push rod 9 and removes the device through holding rod 903, and holding rod 903 multiplicable user of service palm and the frictional force who pushes away between 902 to be convenient for the user of service removes the device.

The working principle is as follows: the friction force between the ground and the ground is reduced through the wheels 801, a user pulls the push rod 9 to enable the push rod 9 to move in the loop bar 10, the push rod 9 is fixed after being adjusted to a proper position, the vibration generated by the ground bump is reduced through the cooperation of the damping plate 7 and the spring 701, so that the lithium battery pack 14 is prevented from being damaged by the vibration, thereby facilitating the user to move the device, directly taking down the box body 2 when the bottom plate 8 and the damping plate 7 are not used, the loop bar 10 and the push rod 9 are disassembled by screwing the fixing bolt 1101, so that the occupied area is reduced, a user pulls the baffle 5 to enable the baffle 5 to move between the sliding frames 4, pulls the baffle 5 upwards to enable external air flow to enter the box body 2 through the ventilation opening 201 for heat dissipation, and can also electrify the heat dissipation fan 13, the lithium battery pack 14 is assisted by the cooling fan 13 to dissipate heat, and the lithium battery packs are uniformly charged by the protection board body 15.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a domestic energy storage is with many strings of lithium ion battery group that have a protection shield, includes box (2), shock attenuation board (7) and bottom plate (8), its characterized in that: the damping device is characterized in that wheels (801) are fixedly mounted on two sides of the bottom plate (8), a damping plate (7) is fixedly mounted at the top of the bottom plate (8), a spring (701) is fixedly mounted between the damping plate (7) and the bottom plate (8), a moving part (11) is fixedly mounted at the top of the bottom plate (8) on one side of the damping plate (7), a fixing bolt (1101) is movably mounted between the moving part (11) and the bottom plate (8), a loop bar (10) is movably mounted between the moving part (11), a push rod (9) is movably mounted inside the loop bar (10), a box body (2) is movably mounted at the top of the damping plate (7), sliding frames (4) are fixedly mounted on the surface of the box body (2), a baffle plate (5) is movably mounted between the sliding frames (4), a limiting bolt (503) is movably mounted on one side of the surface of the baffle plate (5), and ventilation openings (201) are formed, the box (2) fixed surface of vent (201) one end installs filter screen (6), the fixed surface of box (2) both sides installs box body (3), and the inside fixed mounting of box body (3) has radiator fan (13), the inside fixed mounting of box body (2) has lithium cell group (14), and the top fixed mounting of lithium cell group (14) has protection shield body (15).

2. The multi-string lithium ion battery pack with a protection plate for home energy storage according to claim 1, wherein: the top movable mounting of box (2) has case lid (1), and the top fixed mounting of case lid (1) has handle (101).

3. The multi-string lithium ion battery pack with a protection plate for home energy storage according to claim 1, wherein: the surface fixed mounting of baffle (5) has connecting piece (501), and the surface fixed mounting of connecting piece (501) has push pedal (502).

4. The multi-string lithium ion battery pack with a protection plate for home energy storage according to claim 1, wherein: a threaded rod (12) is fixedly installed between the wheels (801) at the bottom of the bottom plate (8), and a fixing rod (1201) is movably installed at the bottom of the threaded rod (12).

5. The multi-string lithium ion battery pack with a protection plate for home energy storage according to claim 1, wherein: the surface of the push rod (9) is provided with a clamping hole (901), the surface of the loop bar (10) is movably provided with a positioning bolt (1001), and the clamping hole (901) is overlapped with the positioning bolt (1001).

6. The multi-string lithium ion battery pack with a protection plate for home energy storage according to claim 1, wherein: the top of the push rod (9) is fixedly provided with push handles (902), and a holding rod (903) is fixedly arranged between the push handles (902).