CN209993651U

CN209993651U - Portable lithium battery device

Info

Publication number: CN209993651U
Application number: CN201921062994.4U
Authority: CN
Inventors: 杜永杰; 周幼华; 冷陈伟; 潘继雄
Original assignee: Shenzhen Yujiaocheng Technology Co Ltd
Current assignee: Shenzhen Yujiaocheng Technology Co Ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-01-24
Anticipated expiration: 2029-07-08

Abstract

The utility model relates to a lithium battery technology field discloses a portable lithium battery device, including casing and the lithium cell group and the BMS module of setting in the casing, the BMS module is organized the electricity with the lithium cell and is connected, the casing is the cuboid setting, the casing includes first casing and second casing, first casing is the recess shape setting that has the upper shed, the upper shed department at first casing is established to second casing detachable closing cap, the protruding connecting plate that connects gradually to outer extension and head and the tail that is equipped with of curb plate upper end edge of first casing, the protruding breakwater that is equipped with downwardly extending and head and the tail of bottom plate periphery of second casing, the periphery wall setting of the inside wall parcel connecting plate of breakwater, and the inside wall of breakwater and the lateral wall butt of connecting plate. The technical scheme of the utility model can effectually prevent that water from getting into in the casing, improved the waterproof sealing effect of casing, more effectual satisfying lithium cell has prolonged the life of lithium cell to waterproof performance's higher requirement.

Description

Portable lithium battery device

Technical Field

The utility model relates to a lithium cell technical field, in particular to portable lithium cell device.

Background

Lithium ion batteries currently include two types, namely liquid Lithium Ion Batteries (LIB) and polymer lithium ion batteries (PLB). The liquid lithium ion battery is a secondary battery in which a Li + intercalation compound is used as a positive electrode and a negative electrode. The positive electrode adopts lithium compounds-lithium cobaltate and lithium manganate, and the negative electrode adopts a lithium-carbon interlayer compound. The lithium ion battery is an ideal energy carrier for development in the 21 st century because of high working voltage, small volume, light weight, high energy, no memory effect, no pollution, small self-discharge and long cycle life.

However, present current lithium battery device is in the use, and the water-proof effects of casing is less than ideal, if can not be effectual seals it, will lead to moisture to get into in the casing, leads to the lithium battery module to take place the incident such as short circuit, fire or explosion easily to influence the life of lithium battery group, there is the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a portable lithium battery device aims at solving current lithium battery device casing and can not effectively prevent water, has the technical problem of potential safety hazard.

In order to achieve the purpose, the utility model provides a portable lithium battery device, including casing and the lithium cell group and the BMS module of setting in the casing, the BMS module with the electricity is organized to the lithium cell, the casing is the cuboid setting, the casing includes first casing and second casing, first casing is the recess shape setting that has the upper shed, second casing detachable closing cap is established the upper shed department of first casing, the protruding connecting plate that is equipped with to extend and end to end in proper order of curb plate upper end edge of first casing, the protruding breakwater that is equipped with downwardly extending and end to end in proper order of bottom plate periphery of second casing, the inside wall parcel of breakwater the periphery wall setting of connecting plate, just the inside wall of breakwater with the lateral wall butt of connecting plate.

Optionally, the waterproof device further comprises an elastic waterproof sealing ring, the waterproof sealing ring is arranged on the upper end face of the connecting plate, and the waterproof sealing ring is respectively abutted against the connecting plate and the second shell.

Optionally, the waterproof sealing ring is arranged in an O-shape, and is formed by adopting a foamed rubber material.

Optionally, a plurality of screw through holes are formed in the connecting plate, a plurality of threaded holes in one-to-one correspondence with the screw through holes are formed in the second shell, and the second shell is detachably and fixedly connected with the first shell through screws.

Optionally, the lithium battery pack is arranged below the fixed support, and the lithium battery pack is fixed in the first shell through the fixed support and the fixed support.

Optionally, two ends of the fixing bracket are detachably and fixedly connected with the fixing support and the bottom plate of the first housing through screws respectively.

Optionally, a plurality of connectors are respectively disposed on two side walls of the upper end portion of the first housing, and the plurality of connectors are respectively electrically connected to the BMS module.

Optionally, two outer side walls of the upper end portion of the first housing are respectively and oppositely provided with a handle.

Optionally, the handle is the setting of U type, just the lower tip of handle equally divide respectively with the lateral wall of first casing rotates to be connected.

Optionally, a plurality of anti-slip support legs are convexly arranged at the bottom of the first shell.

Adopt the technical scheme of the utility model, following beneficial effect has: the technical scheme of the utility model, through the protruding connecting plate that is equipped with to extend and end to end in proper order at the curb plate of first casing upper end border, the protruding breakwater that is equipped with downwardly extending and end to end in proper order of the bottom plate periphery of second casing, the inside wall parcel of breakwater the periphery wall setting of connecting plate is provided with waterproof sealing ring at the up end of connecting plate, plays good waterproof seal effect to effectually preventing that water from getting into in the casing, improved the waterproof sealing effect of casing, more effectual satisfying lithium cell has prolonged the life of lithium cell to waterproof performance's higher requirement, and the casing is durable, and the reliability is high, and the practicality is strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a portable lithium battery device according to an embodiment of the present invention;

fig. 2 is a schematic view of another perspective overall structure of a portable lithium battery device according to an embodiment of the present invention;

fig. 3 is a schematic diagram of an internal structure of a portable lithium battery device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second casing of a portable lithium battery device according to an embodiment of the present invention;

fig. 5 is an exploded schematic view of a portable lithium battery device according to an embodiment of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a portable lithium battery device.

As shown in fig. 1 to 5, in an embodiment of the present invention, the portable lithium battery device includes a case 100 and a lithium battery pack 200 and a BMS module 300 disposed in the case 100, the BMS module 300 is electrically connected to the lithium battery pack 200, the case 100 is formed in a rectangular parallelepiped shape, the housing 100 includes a first housing 101 and a second housing 102, the first housing 101 is provided in a groove shape having an upper opening, the detachable closing cover of the second shell 102 is arranged at the upper opening of the first shell 101, the upper end edge of the side plate of the first shell 101 is convexly provided with a connecting plate 1011 which extends outwards and is connected end to end in sequence, the bottom plate of the second shell 102 has a water baffle 1021 extending downwards and sequentially connected end to end, the inner side wall of the water baffle 1021 is wrapped on the outer peripheral wall of the connecting plate 1011, and the inner side wall of the water baffle 1021 is abutted with the outer side wall of the connecting plate 1011.

Specifically, the waterproof sealing ring 600 with elasticity is further included, the waterproof sealing ring 600 is arranged on the upper end face of the connecting plate 1011, and the waterproof sealing ring 600 is respectively abutted against the connecting plate 1011 and the second housing 102.

Specifically, waterproof sealing ring 600 is the setting of O type, waterproof sealing ring 600 adopts the foamed rubber material to form.

Specifically, a plurality of screw through holes 1012 are formed in the connecting plate 1011, a plurality of screw holes 1022 corresponding to the screw through holes 1012 in a one-to-one manner are formed in the second housing 102, and the second housing 102 is detachably and fixedly connected to the first housing 101 through screws.

Specifically, still include fixed bolster 400 and fixed support 500, fixed support 500 sets up on the lower extreme inside wall of first casing 101, the both ends of fixed bolster 400 respectively with fixed bolster 500 and the fixed connection can be dismantled to the bottom plate of first casing 101, lithium cell group 200 sets up the below of fixed bolster 400, lithium cell group 200 passes through fixed bolster 400 and fixed support 500 are fixed the inside of first casing 101 has increased the stability and the fastness of lithium cell group installation, has further improved the security.

Specifically, two ends of the fixing bracket 400 are detachably and fixedly connected to the fixing support 500 and the bottom plate of the first housing 101 by screws, respectively.

Specifically, both side walls of the upper end portion of the first case 101 are respectively provided with a plurality of connectors 800, the plurality of connectors 800 are respectively electrically connected to the BMS module 300, and the connectors 800 may perform charging and discharging functions.

Specifically, two outer side walls of the upper end of the first casing 101 are respectively provided with a handle 700 in an opposite manner.

Specifically, handle 700 is the setting of U type, just the lower tip of handle 700 equally divide do not with the lateral wall of first casing 101 rotates to be connected, convenient transport, and the time spent not is rotatable puts down, occupation space not, and is succinct convenient, and the practicality is strong.

Specifically, the bottom of the first casing 101 is convexly provided with a plurality of anti-skidding support legs 900, which is convenient and practical and improves the safety.

Specifically, the utility model discloses a theory of operation and process do: through the protruding connecting plate that is equipped with to extend and end to end and connects gradually at the curb plate of first casing upper end edge, the protruding breakwater that is equipped with downwardly extending and end to end and connects gradually of bottom plate periphery of second casing, the inside wall parcel of breakwater the periphery wall setting of connecting plate is provided with waterproof sealing circle at the up end of connecting plate, plays good waterproof seal effect to in the effectual water that prevents gets into the casing, improved the waterproof sealing effect of casing, more effectual satisfying lithium cell is durable to waterproof performance's higher requirement, has prolonged the life of lithium cell, and the casing is durable, and the reliability is high, and the practicality is strong.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The utility model provides a portable lithium battery device, its characterized in that, includes the casing and sets up lithium cell group and BMS module in the casing, the BMS module with lithium cell group electricity is connected, the casing is the cuboid setting, the casing includes first casing and second casing, first casing is the recess shape setting that has the upper shed, second casing detachable closing cap establishes the upper shed department of first casing, the protruding connecting plate that is equipped with to extend outside and end to end and connects gradually of curb plate upper end edge of first casing, the protruding breakwater that is equipped with downwardly extending and end to end and connects gradually of bottom plate periphery of second casing, the inside wall parcel of breakwater the periphery wall setting of connecting plate, just the inside wall of breakwater with the lateral wall butt of connecting plate.

2. The portable lithium battery device as claimed in claim 1, further comprising a waterproof sealing ring having elasticity, the waterproof sealing ring being provided on an upper end surface of the connection plate, and the waterproof sealing ring being abutted against the connection plate and the second case, respectively.

3. The portable lithium battery device as recited in claim 2, wherein the waterproof sealing ring is disposed in an O-shape, and the waterproof sealing ring is formed of a foam material.

4. The portable lithium battery device as recited in claim 1, wherein a plurality of screw through holes are provided on the connection plate, a plurality of screw holes corresponding to the screw through holes one to one are provided on the second case, and the second case is detachably and fixedly connected to the first case by screws.

5. The portable lithium battery device as claimed in claim 1, further comprising a fixing bracket and a fixing support, wherein the fixing support is disposed on an inner side wall of the lower end of the first casing, two ends of the fixing bracket are detachably and fixedly connected with the fixing support and a bottom plate of the first casing, respectively, the lithium battery pack is disposed under the fixing bracket, and the lithium battery pack is fixed inside the first casing through the fixing bracket and the fixing support.

6. The portable lithium battery device as claimed in claim 5, wherein both ends of the fixing bracket are detachably and fixedly connected with the fixing support and the bottom plate of the first case by screws, respectively.

7. The portable lithium battery device as claimed in claim 1, wherein a plurality of connectors are provided to both side walls of the upper end portion of the first case, respectively, and the plurality of connectors are electrically connected to the BMS module, respectively.

8. The portable lithium battery device as claimed in claim 1, wherein a handle is provided at each of the two outer sidewalls of the upper end portion of the first case in opposition to each other.

9. The portable lithium battery device as recited in claim 8, wherein the handle is U-shaped, and the lower ends of the handle are rotatably connected to the outer sidewalls of the first housing, respectively.

10. The portable lithium battery device as recited in claim 1, wherein a plurality of anti-slip legs are raised from a bottom of the first housing.