CN210519137U

CN210519137U - Main control unit case of battery management system

Info

Publication number: CN210519137U
Application number: CN201920959913.4U
Authority: CN
Inventors: 欧阳雪明; 杨宗; 梁曦; 胡次惠; 樊文文
Original assignee: Jiangxi Keran Technology Co Ltd
Current assignee: Jiangxi Keran Technology Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-05-12
Anticipated expiration: 2029-06-24

Abstract

The utility model provides a battery management system main control unit machine case, which comprises an upper housing, lower casing and main control circuit board, it includes face and turn-ups to go up the casing, the casing includes face and turn-ups down, it forms an inner chamber through turn-ups and turn-ups down to go up casing and lower casing connection, the main control circuit board is fixed in the inner chamber, form a plurality of mounting grooves on the face of going up, the face is sunken relatively in the mounting groove, it is equipped with a plurality of mounting grooves to go up the casing, the face of casing is sunken relatively in the groove face of mounting groove, the casing is equipped with a plurality of fixed columns down, the side of casing is down located to the fixed column, and the. The utility model provides a battery management system main control unit machine case, structural strength is high, and the grafting mode is stable, has solved battery management system main control unit machine case and has produced deformation and damaged problem easily in the use.

Description

Main control unit case of battery management system

Technical Field

The utility model relates to a camera accessory technical field, in particular to battery management system main control unit machine case.

Background

The main control unit case of the battery management system effectively protects internal electronic elements and effectively isolates internal and external environments in the working environment of the running automobile; the electronic components can work normally and effectively in a relatively safe environment, and the appearance of the product is beautified.

The main control unit chassis of the existing battery management system is generally arranged to be of a thin-wall shell structure, the strength and rigidity of the chassis are poorer than those of a solid structure, and the chassis is easy to deform and damage in the using process, so that the work of a circuit board of the main control unit in the chassis is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a battery management system main control unit machine case has optimized the structural strength and the rigidity of this battery management system main control unit machine case casing.

The utility model provides a battery management system main control unit case, including upper housing, lower casing and locate the upper housing and the main control circuit board between the lower casing, the upper housing includes the upper plate surface and encircles the upper flange that the upper plate surface formed respectively, the lower casing includes the lower plate surface and encircles the lower flange that the lower plate surface formed respectively, the upper housing with the lower casing passes through the upper flange with the turn down rims connection forms an inner chamber, the main control circuit board is fixed in the inner chamber, form a plurality of mounting grooves on the upper plate surface, the mounting groove is sunken relative to the upper plate surface, the upper housing is equipped with a plurality of mounting grooves, the groove surface of mounting groove is sunken relative to the plate surface of the upper housing, the lower casing is equipped with a plurality of fixed columns, the fixed column is located the side of lower casing, and the fixed column with the turn down rims extension forms first strengthening rib, a fixing bolt penetrates through the fixing column to be connected with the upper shell in a threaded mode.

Further, be equipped with a plurality of connectors on the main control circuit board, four corners of connector are equipped with the stabilizer blade and wear to establish the main control circuit board, the connector passes through the mounting groove stretch out in go up the casing, make the interface of connector is vertical up, be equipped with a plurality of pilot holes down on the casing, the pilot hole is located the stabilizer blade position of connector.

Furthermore, the outer side of the lower shell is provided with an installation lug seat, the installation lug seat comprises an installation surface and second reinforcing ribs arranged on two sides of the installation surface, the installation surface is provided with fixing holes, and the second reinforcing ribs are connected with the lower flanging and are perpendicular to the lower flanging.

Further, go up the face and be equipped with and dodge the groove, dodge the groove and locate the side of going up the face, just it is relative to dodge the groove go up the face and sink.

Furthermore, a groove is formed in one end, far away from the lower shell, of the lower flanging, and a sealing ring is assembled in the groove.

Furthermore, the inner side surface of the lower flanging is provided with an embedded groove, and the main control circuit board is provided with an embedded block which is assembled and embedded with the embedded groove.

Furthermore, the upper shell and the lower shell are integrally formed by adopting an aluminum material.

Further, the number of the mounting lug seats is three.

The utility model provides a battery management system main control unit machine case, through the last casing that sets up and lower casing side formation square turn-ups and turn-ups down, go up the turn-ups and pass through the bolt fastening with turn-ups down, and go up on the face form with go up the mounting groove of face unevenness, the effectual structural strength who has strengthened the face, the fixed column that the face set up down has strengthened the structural strength of casing down through first strengthening rib and turn-ups fixed connection down.

Drawings

Fig. 1 is a schematic structural diagram of a main control unit case of a battery management system according to a first embodiment of the present invention;

FIG. 2 is a top view of the battery management system master control unit enclosure of FIG. 1;

fig. 3 is an exploded view of the main control unit housing of the battery management system of fig. 1;

FIG. 4 is an enlarged view of the portion I of FIG. 3;

fig. 5 is an enlarged view of part II of fig. 3.

Description of the main elements

Main control unit case of battery management system	100	Upper shell	10
				Upper plate surface	11	Mounting groove	111
Dodging groove	112	Upturning edge	12
				Lower casing	20	Lower plate surface	21
Lower flanging	22	Groove	221
				Tabling groove	222	Fixing column	23
First reinforcing rib	24	Assembly hole	25
				Mounting ear seat	26	Mounting surface	261
Fixing hole	2611	Second reinforcing rib	262
				Master control circuit board	30	Connector with a locking member	31
Supporting leg	311

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, in order to provide the battery management system main control unit case 100 of the present invention, the battery management system main control unit case 100 includes an upper casing 10, a lower casing 20, and a main control circuit board 30 disposed between the upper casing 10 and the lower casing 20.

Specifically, the upper case 10 includes an upper plate 11 and an upper flange 12 formed around the upper plate 11, and the lower case 20 includes a lower plate 21 and a lower flange 22 formed around the lower plate 21. The upper shell 10 and the lower shell 20 are connected through an upper flange 12 and a lower flange 22 to form an inner cavity, and the main control circuit board 30 is fixed in the inner cavity.

Two installation grooves 111 are formed in the upper plate surface 11 of the upper shell 10, and the installation grooves 111 are sunken relative to the upper plate surface 11, so that a bending type is formed between the installation grooves 111 and the upper plate surface 11, the bending resistance of the upper plate surface 11 is enhanced, and the structural strength of the upper shell 10 is improved.

Further, lower casing 20 is equipped with a plurality of fixed columns 23, and the inboard side of casing 20 is located down to fixed column 23, and this fixed column 23 is used for wearing to establish the bolt and makes it carry out the spiro union with last casing 10 fixedly. And fixed column 23 and lower turn-ups 22 extend and form first strengthening rib 24, make more firmly between fixed column 23 and the lower casing 20 through the first strengthening rib 24 that sets up, and the inboard fixed column 23 of range at lower turn-ups 22 through the setting has further strengthened lower casing 20's structural strength.

The utility model provides a battery management system main control unit machine case 100 forms square last turn-ups 12 and turn-ups 22 down through last casing 10 and lower casing 20 side that sets up, goes up turn-ups 12 and turn-ups 22 down and pass through the bolt fastening, and go up on the face 11 form with go up 11 unevenness's of face mounting groove 111, the effectual structural strength who has strengthened last face 11, the fixed column 23 that lower face 21 set up has strengthened casing 20's structural strength down through first strengthening rib 24 and turn-ups 22 fixed connection down.

It can be appreciated that in order to facilitate the more stable linear connection between the battery management system main control unit case 100 and the battery pack, two connectors 31 are provided on the main control circuit board 30. Four corners of the connector 31 are provided with support legs 311 penetrating through the main control circuit board 30, and the connector 31 extends out of the upper shell 10 through the mounting groove 111, so that the interface of the connector 31 is vertical upward, the lower shell 20 is provided with a plurality of assembling holes 25, and the assembling holes 25 are arranged at the positions of the support legs 311 of the connector 31.

Through the connector 31 who sets up, its opening is up for the connecting wire bundle receives the action of gravity, with connector 31 stable connection effect, has avoided leading to the phenomenon that can not normally work because of battery package contact failure.

Further, since the main control circuit board 30 is contained in the main control unit case 100 of the battery management system, which is made of a PCB board, the main control unit case 100 of the battery management system needs to be subjected to a waterproof treatment, and the groove 221 is formed on the downward flange 22. The groove 221 is arranged at the joint of the lower flanging 22 and the upper flanging 12, and the groove 221 is used for assembling a sealing ring, so that water is prevented from permeating into the inner cavity from the side door. And a fixed height difference is formed between the fixed column 23 and the lower plate surface 21. So that the side of the main control circuit board 30 is interfered by the fixing posts 23 to form a height difference with the lower board 21 during assembly. The main control circuit board 30 is prevented from being damaged by water immersion due to water accumulation in the lower board surface 21.

It can be understood that, in order to relatively fix the battery management system main control unit chassis 100, three mounting lugs 26 are provided on the outer side of the lower case 20, each mounting lug 26 includes a mounting surface 261 and second reinforcing ribs 262 provided on both sides of the mounting surface 261, and a fixing hole 2611 is provided on the mounting surface 261. The second reinforcing rib 262 is connected to the turndown 22 and is perpendicular to the turndown 22.

Moreover, the mounting lug seats 26 are uniformly distributed at the side end of the lower shell 20 in a three-point manner, so that the mounting effect is stable and reliable.

Further, when the battery pack harness is connected to the connector 31, in order to save space and facilitate routing of the harness, the upper plate 11 is provided with an avoiding groove 112, the avoiding groove 112 is provided at a side end of the upper plate 11, and the avoiding groove 112 is recessed with respect to the upper plate 11. Similarly, the structural strength of the upper panel 11 is enhanced by providing the escape groove 112 recessed relative to the upper panel 11.

In addition, referring to fig. 5, the inner side surface of the turned-down edge 22 is provided with an engagement groove 222, the main control circuit board 30 is provided with an insert (not shown) engaged with the engagement groove 222, and the engagement groove 222 and the insert are assembled, so that rework caused by reverse installation of the main control circuit board 30 when the main control unit case 100 of the battery management system is assembled is avoided, and the matching of each screw hole point is further optimized by matching the engagement groove 222 and the insert position.

Furthermore, the utility model provides a battery management system main control unit machine case 100, its material adopts the aluminium material, has lightweight, corrosion-resistant, structural strength satisfies the advantage of demand.

The utility model provides a battery management system main control unit machine case 100, structural strength is high, and the grafting mode is stable, and waterproof performance is good, and the assembly mode is simple, has solved battery management system main control unit machine case intensity and rigidity and has more the solid structure poor, produces deformation and damaged problem easily in the use.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A main control unit chassis of a battery management system comprises an upper shell, a lower shell and a main control circuit board arranged between the upper shell and the lower shell, and is characterized in that the upper shell respectively comprises an upper plate surface and an upper flanging formed around the upper plate surface, the lower shell respectively comprises a lower plate surface and a lower flanging formed around the lower plate surface, the upper shell and the lower shell are connected through the upper flanging and the lower flanging to form an inner cavity, the main control circuit board is fixed in the inner cavity, a plurality of mounting grooves are formed on the upper plate surface, the mounting grooves sink relative to the upper plate surface, the upper shell is provided with a plurality of mounting grooves, the groove surfaces of the mounting grooves sink relative to the plate surface of the upper shell, the lower shell is provided with a plurality of fixing columns, the fixing columns are arranged on the side edge of the lower shell, and the fixing columns and the lower flanging extend to form first reinforcing ribs, a fixing bolt penetrates through the fixing column to be connected with the upper shell in a threaded mode.

2. The main control unit cabinet of claim 1, wherein a plurality of connectors are disposed on the main control circuit board, support legs are disposed at four corners of each connector and penetrate through the main control circuit board, the connectors extend out of the upper casing through the mounting grooves, so that the interfaces of the connectors face upward in a vertical manner, a plurality of assembling holes are disposed on the lower casing, and the assembling holes are disposed at the positions of the support legs of the connectors.

3. The main control unit case of the battery management system according to claim 1, wherein an installation ear seat is provided at an outer side of the lower case, the installation ear seat includes an installation surface and second reinforcing ribs provided at two sides of the installation surface, a fixing hole is provided on the installation surface, and the second reinforcing ribs are connected with the lower flange and perpendicular to the lower flange.

4. The main control unit cabinet of battery management system of claim 1, wherein the upper panel surface is provided with an avoiding groove, the avoiding groove is provided at a side end of the upper panel surface, and the avoiding groove is recessed with respect to the upper panel surface.

5. The battery management system master control unit chassis of claim 1, wherein the downward flange has a groove at an end away from the lower housing, the groove having a sealing ring fitted therein.

6. The main control unit case of battery management system as claimed in claim 5, wherein the inner side of the downward flange is provided with a fitting groove, and the main control circuit board is provided with an insert block fitted and fitted with the fitting groove.

7. The battery management system master control unit chassis of claim 1, wherein the upper housing and the lower housing are integrally formed of an aluminum material.

8. The battery management system master control unit chassis of claim 3, wherein the mounting ears are provided in three.