CN209016150U - A kind of BMS shell - Google Patents
A kind of BMS shell Download PDFInfo
- Publication number
- CN209016150U CN209016150U CN201822137648.XU CN201822137648U CN209016150U CN 209016150 U CN209016150 U CN 209016150U CN 201822137648 U CN201822137648 U CN 201822137648U CN 209016150 U CN209016150 U CN 209016150U
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- Prior art keywords
- hole
- upper housing
- lower case
- mounting portion
- 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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- Casings For Electric Apparatus (AREA)
Abstract
The utility model discloses a kind of BMS shells, belong to electric car field.It includes upper housing, lower case and PCBA, the PCBA is erected above the lower case, and the upper housing covers above the lower case, is provided with mounting portion one on the upper casing body sidewall, mounting hole, the mounting hole at least two are provided on the mounting portion one；The lower case side is provided with mounting portion two, and setting corresponding with the mounting portion one, is provided with mounting hole, the mounting hole at least two on the mounting portion two；Mounting hole on the mounting portion one is identical with the installation hole number on the mounting portion two.The BMS shell mounting means multiplicity of the utility model.
Description
Technical field
The utility model belongs to electric car field, specifically, being related to a kind of BMS shell.
Background technique
Battery management system (BATTERY MANAGEMENT SYSTEM, BMS) is the tie between battery and user, main
Wanting object is secondary cell, mainly aims at the utilization rate that can be improved battery, prevents battery from occurring overcharging and excessively
Electric discharge, can be used for electric car, battery truck, robot, unmanned plane etc..As the popularization and application of electric car are more and more extensive,
People propose increasingly higher demands to the course continuation mileage of electric car, safety, price etc., thus the design of battery PACK
It is required that also higher and higher, as a component in battery PACK, the design of BMS shell is also quite important.Market is big at present
The mounting means of part BMS shell product is more single, cannot achieve the different installation requirements of client.
For example, notification number is 207733114 U of CN, the day for announcing is that the Chinese patent document of 2018.08.14 discloses one
Kind novel B MS shell, including heat dissipation upper cover, bottom cover and pcb board, although the BMS shell reasonable utilization inner space, internal portion
Part installation is firm, but utility model BMS shell connects heat dissipation upper cover, bottom cover by waist-shaped hole, and mounting means is more single, nothing
The different installation requirements of method realization client.
Utility model content
1, it to solve the problems, such as
For the single problem of existing BMS shell mounting means, the utility model provides a kind of BMS shell.
2, technical solution
To solve the above problems, the utility model adopts the following technical scheme.
A kind of BMS shell, including upper housing, lower case and PCBA, the PCBA is erected above the lower case, described
Upper housing covers above the lower case, is provided with mounting portion one on the upper casing body sidewall, is arranged on the mounting portion one
There are mounting hole, the mounting hole at least two；The lower case side is provided with mounting portion two, and with one phase of mounting portion
It is correspondingly arranged, mounting hole, the mounting hole at least two is provided on the mounting portion two；Installation on the mounting portion one
Hole is identical with the installation hole number on the mounting portion two.
Preferably, the upper housing includes upper surface and three sides, and the lower case includes bottom plate and riser,
The riser is arranged on the side of the bottom plate, and the upper housing further includes fixture block, and the side of upper housing is arranged in the fixture block
Inside face, the lower case further includes buckle, and the buckle is oppositely arranged with the riser, and the buckle is fixed on the bottom plate
Side, the fixture block and the buckle clamping.
Preferably, the bottom plate and riser are integrally formed.
Preferably, the mounting hole on the mounting portion one includes threaded hole one and waist-shaped hole one；The mounting portion
Mounting hole on two includes threaded hole two and waist-shaped hole two；The threaded hole one is corresponding with the threaded hole two, the waist type
Waist-shaped hole two described in Kong Yiyu is corresponding.
Preferably, the upper housing further includes fixed part one, is provided with mounting hole on the fixed part one, described
Lower case further includes fixed part two, and mounting hole, the fixed part one and the fixed part two-phase are provided on the fixed part two
It is correspondingly arranged, the mounting hole is passed through by screw and connects the upper housing and the lower case.
Preferably, reinforcing rib is provided on the inside of on the inside of the upper housing upper surface and three sides.
Preferably, it is provided with threaded hole three on the bottom plate, is provided on the PCBA and the threaded hole
Three positions are corresponding, the consistent threaded hole four of quantity.
Preferably, silica gel heat conductive pad is arranged in the lower surface of the PCBA.
Preferably, square groove, the quantity and size of the square groove and the PCBA are offered on the riser
Port quantity and size be adapted.
Preferably, the material of the upper housing is plastics.
3, beneficial effect
Compared with the prior art, the utility model has the following beneficial effects:
(1) mounting portion that the BMS shell of the utility model is different from traditional BMS shell only has 4 waist-shaped holes, upper and lower
It is also provided with pre-buried M4 copper nut on shell, the different installation requirements of client may be implemented, so that outside the BMS of the utility model
Shell mounting means multiplicity；
(2) the BMS shell of the utility model is different from traditional BMS shell using threaded connection upper-lower casing, this reality
By the way of novel use buckle fixture block clamping and being threadedly coupled, the installation of upper-lower casing need to only pass through 2 self-tapping screws
Fixed, upper lower casing is directly fixed on PACK by the fixed part of upper-lower casing when installing BMS shell by final PACK enterprise
It is interior, the installation complexity of BMS shell is reduced, the installation effectiveness of BMS shell is substantially increased；
(3) lower case of the BMS shell of the utility model uses aluminium sheet, and the heat conduction efficiency of aluminium sheet is higher (compared to common
The Metal plate of spraying), improve the radiating rate of entire BMS, PCBA directly directly contacts that (aluminium sheet is without spray with aluminium sheet lower case
Apply, electric conductivity will not be weakened), aluminium sheet lower case is directly installed in PACK, improves ground connection performance；
(4) the aluminum lower case of the BMS shell of the utility model, plastics upper housing are die sinking processing, product size one
Cause property is good (comparing metal plate), and high-volume die sinking production reduces cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the BMS shell of embodiment 1；
Fig. 2 is the structural schematic diagram of the BMS housing upper shell of embodiment 1；
Fig. 3 is the BMS housing upper shell bottom view of embodiment 1；
Fig. 4 is the structural schematic diagram of the BMS housing lower shell of embodiment 1；
Fig. 5 is the BMS housing upper shell of embodiment 1 and the cross-sectional view of lower case cooperation；
Fig. 6 is the structural schematic diagram of PCBA board in the BMS shell of embodiment 1；
Fig. 7 is the bottom view of the BMS shell of embodiment 1；
Fig. 8 is the structural schematic diagram of the BMS shell of embodiment 2.
In figure: 1, upper housing；101, mounting portion one；1011, waist-shaped hole one；1012, threaded hole one；102, fixture block；103,
Reinforcing rib；104, fixed part one；105, bottom surface；1051, the first bottom surface；1052, the second bottom surface；106, high face；2, lower case；
201, mounting portion two；2011, waist-shaped hole two；2012, threaded hole two；202, it buckles；203, threaded hole three；204, square groove；
205, fixed part two；206, bottom plate；207, riser；3,PCBA；301, threaded hole four；4, screw.
Specific embodiment
The utility model is described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not rushing
In the case where prominent, the features in the embodiments and the embodiments of the present application be can be combined with each other.
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Wherein, it is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Therefore, below to providing in the accompanying drawings
The detailed description of the embodiments of the present invention be not intended to limit the range of claimed invention, but only
Indicate the selected embodiment of the utility model.
It should be noted that in the description of the present invention, term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, and is not the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
Embodiment 1
Referring to FIG. 1, a kind of BMS shell, including upper housing 1, lower case 2 and PCBA3, PCBA3 are erected in lower case 2
Side, upper housing 1 cover at 2 top of lower case, are provided with mounting portion 1 on 1 side wall of upper housing, are arranged on mounting portion 1
There are mounting hole, mounting hole at least two；With continued reference to FIG. 4,2 side of lower case is provided with mounting portion 2 201, and with installation
The corresponding setting in portion 1 is provided with mounting hole, mounting hole at least two on mounting portion 2 201；In view of upper-lower casing
It installs, the mounting hole on mounting portion 1 is identical with the installation hole number on mounting portion 2 201.
Please refer to Fig. 2 and Fig. 3, upper housing 1 includes upper surface and three sides, three sides intersected with upper housing 1 and
The upper surface of upper housing 1 constitutes the general profile of upper housing 1 together, in the four edges of upper housing 1, not one end setting of side
There is fixed part 1, is provided with mounting hole on fixed part 1；Fixture block is provided on the side opposite with fixed part 1
102, it is used in combination to the buckle 202 with lower case 2；It is provided on the inside of the upper surface of upper housing 1 and three sides
The rigidity of BMS shell can be improved in reinforcing rib, the setting of reinforcing rib, and BMS shell has preferable non-deformability, in upper housing
It is provided with the installation groove for containing 2 riser 207 of lower case on the inside of 1 upper surface, is used for fixed vertical plate 207.Please continue to refer to Fig. 4
And Fig. 5, lower case 2 include bottom plate 206 and riser 207, riser 207 is arranged on a side of bottom plate 206,206 He of bottom plate
Riser 207 is integrally formed, and is L-type aluminium sheet, and the processing is simple, and the heat dissipation performance of aluminium sheet is more preferable, improves dissipating for entire BMS shell
Thermal velocity；Square groove 204, the quantity and ruler of the port of the quantity and size and PCBA3 of square groove 204 are offered on riser 207
It is very little to be adapted, be provided with buckle 202 on the bottom plate 206 of 207 opposite side of riser, cooperate fixture block set by upper housing 1
102, in the present embodiment, fixture block 102 and buckle 202 are respectively set two groups, but its group of number is not limited by the present embodiment, visual real
Border demand and change, fixed part 2 205 is additionally provided on the riser 207 of lower case 1, it is opposite to determine portion 1 and fixed part 2 205
It should be arranged, mounting hole compatible with the mounting hole of fixed part 1 is provided on the fixed part 205, screw 4 is screwed in and is fixed
The mounting hole of portion 1 and fixed part 2 205, and cooperate fixture block 102 and buckle 202, upper housing 1 and lower case 2 can be realized
Fixed installation.
Mounting hole on the mounting portion 1 of upper housing 1 includes threaded hole 1 and waist-shaped hole 1, lower case 2
Mounting portion 2 201 on mounting hole include threaded hole 2 2012 and waist-shaped hole 2 2011, by mounting hole in traditional waist-shaped hole
Basis on, be designed to two kinds, overcome the single defect of current BMS shell mounting means, PACK enterprise is in installation BMS shell
When body, directly upper-lower casing is fixed in PACK by the mounting portion of upper-lower casing, reduces the installation complexity of BMS shell,
Substantially increase the installation effectiveness of BMS shell.In the present embodiment, the size of waist-shaped hole 1 is the waist-shaped hole of M5 X 8, screw thread
The size in hole 1 passes through upper-lower casing so that can have 2 kinds of selections when installing BMS shell for M4 copper nut
Waist typed through hole on mounting portion is installed or is passed through threaded hole and installs.
Further, please continue to refer to Fig. 6 and Fig. 7, threaded hole 3 203 is set on bottom plate 206, is arranged in the present embodiment
Four threaded holes 3 203, particular number and arrangement can be arranged according to different demands, at the same on PCBA3 setting with
3 203 position of threaded hole is corresponding, the consistent threaded hole 4 301 of quantity, and PCBA3 fixed frame is set on bottom plate 206 by screw,
I.e. in lower case 2, PCBA3 directly directly contacts (aluminium sheet will not weaken electric conductivity without spraying) with aluminium sheet lower case 2, under aluminium sheet
Shell 2 is directly installed in PACK, improves ground connection performance.And silica gel heat conductive pad is set in the lower surface PCBA3, silica gel is thermally conductive
The position of pad is preferably placed near heating resistor, increases the heat-sinking capability of BMS shell.
Further, the material of upper housing 1 is plastics, in conjunction with aluminum lower case 2, so that the quality of BMS shell is light and handy,
Upper housing 1 and lower case 2 are die sinking processing, and product size consistency is good (comparing metal plate), can in high volume be opened production, reduce
Cost.
Referring to FIG. 1, the upper surface of the upper housing 1 of the BMS shell in the present embodiment is divided into bottom surface 105 and high face 106 again,
Referring to FIG. 8, bottom surface 105 is divided into the first bottom surface 1051 and the second bottom surface 1052 again, this is primarily to cooperation is different
PCBA3, that is to say, that there are various shapes to select for user for the upper surface of the upper housing 1 of the BMS shell of the utility model.
It underdraws below to the installation process of the BMS shell of the present embodiment:
1, four threaded holes 4 301 on PCBA3 and four threaded holes 3 203 of aluminium sheet lower case 2 are installed by screw
Fixation locks together, while placing silica gel heat conductive pad in the lower surface PCBA3, so that the heat of PCBA can quickly be transmitted to aluminium sheet
On；
2, the riser 207 of the lower case 2 for the semi-finished product that the first step is installed is shifted onto 1 installation groove of plastics upper housing
Installation groove bottom is shifted in face onto；
3, normal firmly by the upper surface of compression molding material upper housing 1 on the basis of second step, until the buckle of lower case 2
202 block the fixture block 201 of plastics upper housing 1, complete the preliminary installation of upper-lower casing；
4, on the basis of third step, insert screws into the mounting hole of upper-lower casing fixed part, entire BMS shell with
PCBA3 is installed.
5, PACK enterprise can have in 2 when installing BMS shell and select, and can have 2 kinds of choosings when installing BMS shell
It selects, is installed by the waist typed through hole installation on upper-lower casing mounting portion or by threaded hole.
Schematically the utility model is created above and embodiments thereof are described, description is not limiting,
Shown in the drawings is also one of the embodiment that the utility model is created, and actual structure is not limited to this.So such as
Those of ordinary skill in the art are inspired by it for fruit, in the case where not departing from this creation objective, not inventively designs
Frame mode similar with the technical solution and embodiment, should belong to the protection scope of this patent.
Claims (10)
1. a kind of BMS shell, it is characterised in that: including upper housing (1), lower case (2) and PCBA (3), the PCBA (3) is set up
Above the lower case (2), the upper housing (1) is covered above the lower case (2), on upper housing (1) side wall
It is provided with mounting portion one (101), mounting hole, the mounting hole at least two are provided on the mounting portion one (101)；It is described
Lower case (2) side is provided with mounting portion two (201), and setting corresponding with the mounting portion one (101), the mounting portion two
(201) mounting hole, the mounting hole at least two are provided on；Mounting hole and the peace on the mounting portion one (101)
Installation hole number in dress portion two (201) is identical.
2. BMS shell according to claim 1, it is characterised in that: the upper housing (1) includes upper surface and three sides
Face, the lower case (2) include bottom plate (206) and riser (207), side of riser (207) setting in the bottom plate (206)
Bian Shang, the upper housing (1) further include fixture block (102), and the lateral inner in upper housing (1) is arranged in the fixture block (102), described
Lower case (2) further includes buckle (202), and the buckle (202) is oppositely arranged with the riser (207), and the buckle (202) is solid
It is scheduled on the side of the bottom plate (206), the fixture block (102) and the buckle (202) clamping.
3. BMS shell according to claim 2, it is characterised in that: the bottom plate (206) and riser (207) are integrally formed.
4. BMS shell according to claim 2, it is characterised in that: the mounting hole on the mounting portion one (101) includes spiral shell
Pit one (1012) and waist-shaped hole one (1011)；Mounting hole on the mounting portion two (201) include threaded hole two (2012) and
Waist-shaped hole two (2011)；The threaded hole one (1012) is corresponding with the threaded hole two (2012), the waist-shaped hole one
(1011) corresponding with the waist-shaped hole two (2011).
5. BMS shell according to claim 3 or 4, it is characterised in that: the upper housing (1) further includes fixed part one
(104), mounting hole is provided on the fixed part one (104), the lower case (2) further includes fixed part two (205), described solid
Determine to be provided with mounting hole in portion two (205), the fixed part one (104) and the corresponding setting of the fixed part two (205) pass through
Screw (4) passes through the mounting hole and connects the upper housing (1) and the lower case (2).
6. BMS shell according to claim 1 or 2 or 3 or 4, it is characterised in that: on the inside of upper housing (1) upper surface
And reinforcing rib is provided on the inside of three sides.
7. BMS shell according to claim 2, it is characterised in that: be provided with threaded hole three on the bottom plate (206)
(203), quantity consistent threaded hole four corresponding with threaded hole three (203) position is provided on the PCBA (3)
(301)。
8. BMS shell according to claim 6, it is characterised in that: the lower surface setting silica gel of the PCBA (3) is thermally conductive
Pad.
9. BMS shell according to claim 2, it is characterised in that: square groove (204) are offered on the riser (207),
The quantity and size of the square groove (204) are adapted with the quantity of the port of the PCBA (3) and size.
10. BMS shell according to claim 6, it is characterised in that: the material of the upper housing (1) is plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822137648.XU CN209016150U (en) | 2018-12-19 | 2018-12-19 | A kind of BMS shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822137648.XU CN209016150U (en) | 2018-12-19 | 2018-12-19 | A kind of BMS shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209016150U true CN209016150U (en) | 2019-06-21 |
Family
ID=66844042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822137648.XU Active CN209016150U (en) | 2018-12-19 | 2018-12-19 | A kind of BMS shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209016150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113710015A (en) * | 2020-05-21 | 2021-11-26 | 上海海拉电子有限公司 | Shell and automobile controller for automobile circuit board |
-
2018
- 2018-12-19 CN CN201822137648.XU patent/CN209016150U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113710015A (en) * | 2020-05-21 | 2021-11-26 | 上海海拉电子有限公司 | Shell and automobile controller for automobile circuit board |
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