CN209822825U

CN209822825U - Lithium battery device with plug-in BMS module

Info

Publication number: CN209822825U
Application number: CN201921051959.2U
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: 2019-07-05
Filing date: 2019-07-05
Publication date: 2019-12-20
Anticipated expiration: 2029-07-05

Abstract

The utility model relates to a power battery technical field discloses a lithium battery device with plug-in BMS module, which comprises a housin, be equipped with the BMS module in the casing and be connected with the lithium battery module that BMS module electricity is connected, the casing includes first casing and second casing, first casing is connected with second casing detachable lock, the concave maintenance mouth that supplies BMS module installation and dismantlement that is equipped with of up end of second casing, the inside of first casing is located to maintain mouthful under protruding being equipped with an installation base, BMS module detachable fixes the up end at installation base, the top detachable lid that maintains the mouth is equipped with a sealed lid. The technical scheme of the utility model integrates the BMS module on a whole circuit board and installs the BMS module in the battery device in a plugging way, thereby saving the shell of the BMS module and the cost; BMS module installation is convenient with the dismantlement, and the practicality is strong.

Description

Lithium battery device with plug-in BMS module

Technical Field

The utility model relates to a power battery technical field, in particular to lithium battery device with plug-in BMS module.

Background

The BMS, i.e., the battery management system, is a system for managing a battery, and generally has a function of measuring a battery voltage, thereby preventing or avoiding abnormal situations such as overdischarge, overcharge, and an excess temperature … of the battery. As technology has been developed, many functions have been gradually increased, and objects are generally rechargeable secondary batteries, most of which have come together with lithium ion batteries in recent years.

However, the complex operations such as test, maintenance and change of the BMS of the existing lithium ion battery on the market at present are inconvenient, and after the BMS system of the battery breaks down, the failed battery or the whole vehicle needs to be transported back to a maintenance point for maintenance, so that the efficiency is low, time and labor are wasted, and the labor cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lithium battery device with plug-in BMS module aims at solving the inconvenient technical problem of complex operation such as current lithium ion battery's BMS test, maintenance and change.

In order to achieve the above object, the utility model provides a lithium battery device with plug-in BMS module, which comprises a housin, be equipped with the BMS module in the casing and with the lithium battery module that BMS module electricity is connected, the casing includes first casing and second casing, first casing with second casing detachable lock is connected, the concave confession that is equipped with of up end of second casing BMS module installation and the maintenance mouth of dismantlement, the inside of first casing is located maintain mouthful under protruding being equipped with an installation base, BMS module detachable fixes the up end of installation base, the top detachable lid that maintains the mouth is equipped with a sealed lid.

Optionally, a groove is concavely formed on the upper end surface of the mounting base, and the BMS module is detachably disposed in the groove.

Optionally, a plurality of inserting columns are convexly arranged on the lower end face of the BMS module, an inserting seat is arranged at the bottom of the groove, inserting holes which correspond to the plurality of inserting columns in a one-to-one mode are concavely arranged on the inserting seat, and the plurality of inserting columns are detachably inserted into the inserting holes.

Optionally, the bottom of recess is equipped with a plurality of internal thread posts all around, the BMS module be equipped with a plurality of the first screw of internal thread post one-to-one, first screw with internal thread post screw thread fixed connection, the BMS module passes through first screw detachable is fixed in a plurality of on the internal thread post.

Optionally, the number of the internal thread columns is four, and the internal thread columns are located at four vertex angles of the bottom of the groove respectively.

Optionally, the maintenance mouth is equipped with the waterproof flange of end to end connection in proper order in the protruding all around edge, sealed lid detachable lid is established the up end setting of waterproof flange.

Optionally, the upper end surface of the waterproof flange is further provided with a waterproof gasket having elasticity, and the upper end surface and the lower end surface of the waterproof gasket are respectively abutted to the sealing cover and the waterproof flange.

Optionally, the periphery of the sealing cover is uniformly provided with six second screws, the second screws are fixedly connected with the waterproof flange in a threaded manner, and the sealing cover is detachably fixed on the upper end face of the waterproof flange through the second screws.

Optionally, the outer side wall of the first housing is provided with a plurality of fixing lugs.

Optionally, a plurality of the fixing lugs are all concavely provided with a fixing through hole.

Adopt the technical scheme of the utility model, following beneficial effect has: the technical scheme of the utility model, through set up one-dimensional mouth that protects at the up end of second casing, be located and maintain mouthful protruding installation base that is equipped with in the below, through making the BMS module integration on a monoblock circuit board, and fix the up end at the installation base through pluggable mode detachable, the top detachable lid that maintains the mouth is equipped with a sealed lid, waterproof protective properties has effectively been improved, can carry out the dismouting operation to the BMS module through maintaining the mouth, the shell of BMS module has been saved, the cost is saved, can realize testing the BMS module in the battery device in the car, overhaul, operation such as maintenance and change, and is simple in operation, thereby avoid the trouble that trouble battery or whole car need be transported back to the maintenance point and maintain, the efficiency is improved, the human cost is saved, therefore, the clothes hanger is strong in practicability.

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 diagram illustrating an overall structure of a lithium battery pack having a plug-in BMS module according to an embodiment of the present invention;

fig. 2 is a schematic diagram illustrating a partially exploded structure of a lithium battery device having a plug-in BMS module according to an embodiment of the present invention;

fig. 3 is a schematic diagram illustrating an internal partial structure of a lithium battery device having a plug-in BMS module according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a BMS module of a lithium battery pack having a plug-in BMS module 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 lithium battery device with plug-in BMS module.

As shown in fig. 1 to 4, in an embodiment of the present invention, the lithium battery pack with a plug-in BMS module includes a housing 100, a BMS module 200 and an electric core of a lithium battery module 300 electrically connected to the BMS module 200 are disposed in the housing 100, the housing 100 includes a first housing 101 and a second housing 102, the first housing 101 is detachably fastened to the second housing 102, a maintenance opening 103 for installing and detaching the BMS module 200 is concavely disposed at an upper end of the second housing 102, an installation base 105 is convexly disposed under the maintenance opening 103 in the interior of the first housing 101, the BMS module 200 is detachably fixed to an upper end surface of the installation base 105, and a sealing cover 104 is detachably disposed on the maintenance opening 103.

Specifically, the mounting base 105 is concavely provided at the upper end surface thereof with a groove 1051, and the BMS module 200 is detachably mounted in the groove 1051.

Specifically, the lower end surface of the BMS module 200 is convexly provided with a plurality of insertion posts 201, the bottom of the groove 1051 is provided with an insertion seat 1052, the insertion seat 1052 is concavely provided with insertion holes 10521 corresponding to the plurality of insertion posts 201 one by one, the plurality of insertion posts 201 are detachably inserted into the insertion holes 10521, and the insertion seat 1052 is electrically connected with the battery cell on the battery module 300 and the waterproof connector on the side surface of the battery pack through a power line/an acquisition line/a balance line/a temperature line.

Specifically, a plurality of internal threaded posts 1053 are annularly arranged around the bottom of the groove 1051, the BMS module 200 is provided with first screws 202 corresponding to the internal threaded posts 1053 one to one, the first screws 202 are fixedly connected with the internal threaded posts 1053 through threads, and the BMS module 200 is detachably fixed on the internal threaded posts 1053 through the first screws 202.

Specifically, four internal thread columns 1053 are provided, and the internal thread columns 1053 are respectively located at four top corners of the bottom of the groove 1051.

Specifically, the maintenance opening 103 is provided with waterproof flanges 1031 protruding upwards from the periphery thereof, and the sealing cover 104 is detachably covered on the upper end surfaces of the waterproof flanges 1031.

Specifically, the upper end surface of the waterproof flange 1031 is further provided with a waterproof gasket 1032 having elasticity, the upper end surface and the lower end surface of the waterproof gasket 1032 are respectively abutted against the sealing cover 104 and the waterproof flange 1031, preferably, the waterproof gasket 1032 is a polyurethane sealing ring and is bonded to the upper end surface of the waterproof flange 1031 by a gluing process, so that the waterproof effect is further improved.

Specifically, six second screws 1041 are uniformly arranged around the sealing cover 104, the second screws 1041 are all in threaded fixed connection with the waterproof flange 1031, and the sealing cover 104 is detachably fixed on the upper end face of the waterproof flange 1031 through the second screws 1041.

Specifically, the outer side wall of the first housing 101 is provided with a plurality of fixing lugs 106.

Specifically, a plurality of the fixing lugs 106 are each recessed with a fixing through hole 1061.

Specifically, the utility model discloses a theory of operation and process do: one-dimensional mouth guard is seted up through the up end at the second casing, be located and maintain the mouthful protruding installation base that is equipped with in the below, through with BMS module integration on a monoblock circuit system board, and fix the up end at the installation base through pluggable mode detachable, the top detachable lid that maintains the mouth is equipped with a sealed lid, waterproof protective properties has effectively been improved, can carry out the dismouting operation to the BMS module through maintaining the mouth, the shell of BMS module has been saved, the cost is saved, can realize testing the BMS module in the battery pack in the car, overhaul, operation such as maintenance and change, easy operation is convenient, thereby avoid the trouble that trouble battery or whole car need be transported back to the maintenance point and maintain, the efficiency is improved, the human cost is saved, therefore, the clothes hanger is strong in practicability.

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 lithium battery device with plug-in BMS module, a serial communication port, which comprises a housin, be equipped with the BMS module in the casing and with the lithium battery module that the BMS module electricity is connected, the casing includes first casing and second casing, first casing with second casing detachable lock is connected, the concave confession that is equipped with of up end of second casing BMS module installation and the maintenance mouth of dismantlement, the inside of first casing is located maintain mouthful under protruding being equipped with an installation base, BMS module detachable fixes the up end of installation base, the top detachable lid of maintaining the mouth is equipped with a sealed lid.

2. The lithium battery pack having the plug-in BMS module according to claim 1, wherein a groove is concavely formed at an upper end surface of the mounting base, and the BMS module is detachably mounted in the groove.

3. The lithium battery pack having a plug-in BMS module according to claim 2, wherein a plurality of insertion posts are protrudingly provided on a lower end surface of the BMS module, an insertion seat is provided at a bottom of the groove, insertion holes corresponding to the plurality of insertion posts one to one are concavely provided on the insertion seat, and the plurality of insertion posts are detachably inserted into the insertion holes.

4. The lithium battery pack having the plug-in BMS module according to claim 2, wherein a plurality of female screw posts are circumferentially provided around a bottom of the groove, the BMS module is provided with first screws corresponding to the plurality of female screw posts one to one, the first screws are fixedly screw-connected with the female screw posts, and the BMS module is detachably fixed to the plurality of female screw posts by the first screws.

5. The lithium battery pack having the plug-in BMS module according to claim 4, wherein the female screw posts are four, and the female screw posts are respectively located at four apexes of the bottom of the groove.

6. The lithium battery pack having the plug-in BMS module according to claim 1, wherein a waterproof flange is protruded upwardly from a peripheral edge of the maintenance port, which is sequentially connected end to end, and the sealing cap is detachably provided to cover an upper end surface of the waterproof flange.

7. The lithium battery pack having the plug-in BMS module according to claim 6, wherein an upper end surface of the waterproof flange is further provided with a waterproof gasket having elasticity, and upper and lower end surfaces of the waterproof gasket are abutted with the sealing cap and the waterproof flange, respectively.

8. The lithium battery pack having the plug-in BMS module according to claim 6, wherein six second screws are uniformly provided around the sealing cap, the second screws are all fixedly connected with the waterproof flange by means of screw threads, and the sealing cap is detachably fixed on an upper end surface of the waterproof flange by means of the second screws.

9. The lithium battery pack having the plug-in BMS module according to claim 1, wherein an outer sidewall of the first case is provided with a plurality of fixing lugs.

10. The lithium battery pack having the plug-in BMS module according to claim 9, wherein a plurality of the fixing lugs are each concavely provided with a fixing through-hole.