CN209593992U - A kind of power battery BMS protection shell - Google Patents
A kind of power battery BMS protection shell Download PDFInfo
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- CN209593992U CN209593992U CN201821536238.6U CN201821536238U CN209593992U CN 209593992 U CN209593992 U CN 209593992U CN 201821536238 U CN201821536238 U CN 201821536238U CN 209593992 U CN209593992 U CN 209593992U
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- edge
- plate
- power battery
- fixed
- battery bms
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model belongs to automobile power cell technical field, shell is protected more particularly to a kind of power battery BMS, including upper housing (1), fastening nut (2), lower case (3), it is characterized by: upper housing (1) is by upper plate (103), first side (101), second side (102) and fixed edge (104) composition, first side (101), second side (102) is located at upper plate (103) left and right ends, two fixed edges (104) respectively with the first side (101), second side (102) is connected, fixation hole (11) are provided on fixed edge (104), lower case (3) is by lower plate (303), upper edge and lower edge composition, upper edge and lower edge are separately positioned on the upper and lower ends of lower plate, upper edge is provided with wiring harness interface slot , the left and right ends of lower plate are provided with fastening screw, and fastening screw can pass through fixation hole and connect with fastening nut.The utility model structure is simple, technique is simplified, cooperation required precision is relatively low, assembly efficiency is high.
Description
Technical field
The utility model belongs to automobile power cell technical field, and in particular to a kind of power battery BMS protection shell.
Background technique
BMS (batterymanagementsystem) i.e. battery management system is that electric automobile power battery system can not
Or important electrical subsystem in scarce a part and electric car, battery status monitoring, battery status point may be implemented in it
The various functions such as analysis, cell safety protection, battery information management, energy content of battery control management, in the safety for ensureing electric car
Operation, promotion battery system aspect of performance have very important significance.
The BMS of power battery generally includes the hardware circuit board and wiring harness interface of protection shell and enclosure interior, wherein firmly
A variety of electrical components are arranged on part circuit board, are the cores of BMS, in order to which hardware circuit board is protected, and meanwhile it is simultaneous
Care for shielding electromagnetic interference function, be usually surrounded with metal shell, existing BMS protection shell structure as shown in Figure 1, by
Upper housing, lower case, fastening screw composition, upper-lower casing are all the wherein lower case back side by being welded after sheet metal component bending
It also needs to be symmetrically welded two fixed plates, for setting fixation hole for installing, four sides of lower case surround cavity, each vertical in fixed plate
While limiting stand is respectively set, wire harness port and self-clinching standoff are additionally provided in lower case, wherein the three of wire harness port and upper housing
A wire harness port corresponds, and after upper-lower casing fastens, is positioned by limiting stand, then the spiral shell that presses of fastening screw and lower case
Column is connected and fixed, to realize the connection of upper-lower casing.
As seen from Figure 1, existing protection shell structure may be implemented protection and electromagnetic shielding to circuit board, but exist with
Lower deficiency: 1) each parts machining process is complicated, and upper housing needs blanking, bending, welding, it is also necessary to process six fixation holes and three
A wire harness port, while also needing to guarantee bending rear interior cavity size；Lower case also needs blanking, bending, welding, upper and lower stile
Self-clinching standoff is also needed, four stiles also need to be arranged limiting stand for cooperating with upper housing and limiting, and manufacturing procedure is various, matches
It is higher to close dimensional accuracy, in addition, the structure many places need to weld, part deformation caused by welding is difficult to control, and technique is realized tired
It is difficult；2) due to design of part complexity, necessarily cause product qualification rate low, the appearance for the problems such as process-cycle is long, and processing cost is high,
It is unfavorable for Product Cost Control and batch production.
Utility model content
In order to overcome the above technical problems, the utility model provide a kind of structure is simple, technique is simplified, cooperation required precision
The power battery BMS relatively low, assembly efficiency is high protects shell.
The technical solution that the utility model is taken is as follows:
A kind of power battery BMS protection shell, including upper housing (1), fastening nut (2), lower case (3), upper housing (1)
By upper plate (103), first, at (101), second, (102) and fixed edge (104) are formed, and first at (101), second
(102) upper plate (103) left and right ends are located at, two fixed edges (104) are respectively with first at (101), second (102)
It is connected, is provided on fixed edge (104) fixation hole (11), lower case (3) is by lower plate (303), upper edge (301) and lower edge
(302) it forms, upper edge (301) and lower edge (302) are separately positioned on the upper and lower ends of lower plate (303), upper edge (301)
It is provided with wiring harness interface slot (31), the left and right ends of lower plate (303) are provided with fastening screw (33), and fastening screw (33) can
It is connect across fixation hole (11) with fastening nut (2), upper housing and lower case form cavity.
Further, upper housing along central symmetry bending twice, for the first time inwardly bending both sides (i.e. the first side (101),
Second side (102)), second of bending formation fixed edge (104) outward；Upper edge (301), lower edge (302) are to upper housing (1)
The length and the first equal length that (102) extend to lower case (3) direction at (101), second that direction extends.
Further, the length and the length phase of upper plate (103) left and right of upper edge (301), lower edge (302) left and right
Deng.
Further, the distance between upper edge (301) and lower edge (302) and upper plate (103) in-between away from
From equal.
Further, upper edge (301), lower edge (302) left and right length with first at (101), second (102) it
Between distance length it is equal.
Further, the quadrangle of bottom plate (303) is provided with mounting hole (32), and fixed column (34) is arranged in lower plate (303)
On, fixed column is used for mounting circuit boards.
The utility model has the beneficial effects that:
1, structure is simple, simplifies processing technology, and cooperation precision is relatively low, and assembly efficiency is high；
2, the structure processing cost is low, and qualification rate is high, is conducive into control and mass production.
Detailed description of the invention
Fig. 1: existing power battery BMS protects shell explosive view in background technique；
Fig. 2: the power battery BMS of the utility model embodiment protects shell stereoscopic schematic diagram；
Fig. 3: the power battery BMS of the utility model embodiment protects shell schematic elevation view；
Fig. 4: the power battery BMS of the utility model embodiment protects shell explosive view；
In figure: 1- upper housing, the first side 101-, the second side 102-, 103- upper plate, 104- fixed edge；11- fixation hole；
2- fastening nut；3- lower case, the upper edge 301-, the lower edge 302-, 303- lower plate, 31- wiring harness interface slot, 32- mounting hole,
33- fastening screw, 34- fixed column.
Specific embodiment
It is clear in order to be more clear the purpose of this utility model, technical scheme and beneficial effects, with reference to embodiments
And attached drawing, the present invention will be further described in detail.It should be understood that specific embodiment party described in this specification
Formula is not intended to limit the utility model just for the sake of explaining the utility model.
Positional relationship being mentioned in the utility model such as "upper", "lower", "inner", "outside" etc. is based on attached drawing and to combine production
Direction and positional relationship shown in product do not indicate that or imply that signified product is necessary only for the purposes of description and simplification description
The specific orientation having, can not be not understood as limitations of the present invention.
As in Figure 2-4, a kind of power battery BMS protects shell, including upper housing (1), fastening nut (2), lower case
(3), by upper plate (103), first, (102) and fixed edge (104) at (101), second form upper housing (1), the first side
(101), the second side (102) are located at upper plate (103) left and right ends, two fixed edges (104) respectively with the first side
(101), the second side (102) be connected, be provided on fixed edge (104) fixation hole (11), lower case (3) by lower plate (303), on
Edge (301) and lower edge (302), upper edge (301) and lower edge (302) are separately positioned on up and down the two of lower plate (303)
End, upper edge (301) are provided with wiring harness interface slot (31), and the left and right ends of lower plate (303) are provided with fastening screw (33), tightly
Gu screw (33) can pass through fixation hole (11) and connect with fastening nut (2), upper housing and lower case form cavity.
Twice along central symmetry bending, inwardly (i.e. first at (101), second on the both sides of bending for the first time for upper housing
(102)), the half of upper plate (103) lower-upper length is arranged in second of bending formation fixed edge (104) outward, fixed edge (104)
Position；The length that upper edge (301), lower edge (302) extend to upper housing (1) direction is with first at (101), second
(102) it is equal in length to what lower case (3) direction extended.
The length and the equal length of upper plate (103) left and right of upper edge (301), lower edge (302) left and right.
The distance between upper edge (301) and lower edge (302) being equidistant in-between with upper plate (103).
The length of upper edge (301), lower edge (302) or so is with first at (101), second the distance between (102)
Equal length.
The quadrangle of bottom plate (303) is provided with mounting hole (32), and fixed column (34) is arranged on lower plate (303), fixed column
For mounting circuit boards.
In the present embodiment, upper housing 1 and lower case 3 are all made of 2mm thick steel plate, by blanking, bending and molding, wherein lower casing
The fastening screw (33) of body (3) is connected by the mode of pressing with fixed column (34), and Joining Technology is simply easily achieved, and fastens spiral shell
Female (2) use interior hexagon nut with flange.
It is completed the process when wiring harness interface slot (31) blanking, the quantity of wiring harness interface slot (31) is processed as needed, this reality
With 3 wiring harness interface slots of novel setting, press after 34 bending of fastening screw 33 and fixed column.
Claims (5)
1. a kind of power battery BMS protects shell, including upper housing (1), fastening nut (2), lower case (3), it is characterised in that:
By upper plate (103), first, (102) and fixed edge (104) at (101), second form upper housing (1), the first side (101),
Second side (102) is located at upper plate (103) left and right ends, two fixed edges (104) respectively with the first side (101), second
Side (102) is connected, and is provided on fixed edge (104) fixation hole (11), lower case (3) is by lower plate (303), upper edge (301)
It being formed with lower edge (302), upper edge (301) and lower edge (302) are separately positioned on the upper and lower ends of lower plate (303), on
Edge (301) is provided with wiring harness interface slot (31), and the left and right ends of lower plate (303) are provided with fastening screw (33), fastens spiral shell
Nail (33) can pass through fixation hole (11) and connect with fastening nut (2).
2. a kind of power battery BMS according to claim 1 protects shell, it is characterised in that: upper edge (301), following
The length extended to upper housing (1) direction along (302) with first at (101), second (102) to the extension of lower case (3) direction
Equal length.
3. a kind of power battery BMS according to claim 1 protects shell, it is characterised in that: upper edge (301), following
Along the length of (302) left and right and the equal length of upper plate (103) left and right.
4. a kind of power battery BMS according to claim 1 protects shell, it is characterised in that: the quadrangle of lower plate (303)
It is provided with mounting hole (32), fixed column (34) is arranged on lower plate (303).
5. a kind of power battery BMS according to claim 1 protects shell, it is characterised in that: upper edge (301) and following
Along the distance between (302) with upper plate (103) being equidistant in-between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821536238.6U CN209593992U (en) | 2018-09-17 | 2018-09-17 | A kind of power battery BMS protection shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821536238.6U CN209593992U (en) | 2018-09-17 | 2018-09-17 | A kind of power battery BMS protection shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209593992U true CN209593992U (en) | 2019-11-05 |
Family
ID=68373093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821536238.6U Active CN209593992U (en) | 2018-09-17 | 2018-09-17 | A kind of power battery BMS protection shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209593992U (en) |
-
2018
- 2018-09-17 CN CN201821536238.6U patent/CN209593992U/en active Active
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