CN209344145U - Start the sealing structure of lithium battery protection board - Google Patents
Start the sealing structure of lithium battery protection board Download PDFInfo
- Publication number
- CN209344145U CN209344145U CN201821382669.1U CN201821382669U CN209344145U CN 209344145 U CN209344145 U CN 209344145U CN 201821382669 U CN201821382669 U CN 201821382669U CN 209344145 U CN209344145 U CN 209344145U
- Authority
- CN
- China
- Prior art keywords
- protection board
- cavity
- lithium battery
- sealing structure
- battery protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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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- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to the technical fields of automobile batteries, disclose the sealing structure of starting lithium battery protection board, and including the internal shell with cavity and the protection board being placed in cavity, cavity is in sealing state；The second connecting line that protection board has the first connecting line being electrically connected with battery pack and is even electrically connected with load, shell have the first connecting hole and the second connecting hole being pierced by for the first connecting line and the second connecting line；When protection board is placed in the shell in sealing state; shell will be isolated from the outside world inside cavity and come; only realize that protection board and battery pack etc. are electrically connected by the first connecting hole and the second connecting hole; completely cut off that the protection board that comes avoids moisture or dust is stained with circuit board on protection board; protection board is avoided calmly to burn plate and fail, and the safe handling of battery is effectively guaranteed.
Description
Technical field
The utility model relates to the technical fields of automobile batteries, especially start the sealing structure of lithium battery protection board.
Background technique
Automobile batteries is the essential a part of automobile, is a kind of device for converting chemical energy into electric energy, main to use
It in starting engine and is power supply for electrical equipment.
In the prior art, battery protecting plate is generally electrically connected with by lithium battery in automobile batteries, due to lithium battery sheet
The material of body determine it cannot be overcharged, over-discharge, overcurrent, short circuit and superhigh temperature charge and discharge, protected by battery protecting plate
Battery prevents peril.
Battery protecting plate is generally located on the outside of lithium ion battery encapsulating film, but external battery protecting plate and extraneous
Environment, which directly contacts, to be easy to make circuit board to make moist and contacts dust, thus is easy to cause the burning plate of battery protecting plate, makes it
Thrashing reduces the service life of circuit board, thereby reduces the safety when service life and use of lithium ion battery
Property.
Utility model content
The utility model proposes starting lithium battery protection board sealing structure, it is intended to solve battery protection in the prior art
The problem of plate is easily damaged.
The utility model is realized in this way starting the sealing structure of lithium battery protection board, there is cavity including inside
Shell and the protection board being placed in the cavity, the cavity are in sealing state；The protection board has and battery pack electrical property
First connecting line of connection and the second connecting line being even electrically connected with load, the shell, which has, supplies first connecting line
And the first connecting hole and the second connecting hole that second connecting line is pierced by.
Further, the shell includes upper housing and lower case, and the upper housing has the epicoele of downwardly facing opening, institute
Lower case is stated to enclose with upwardly opening cavity of resorption, the epicoele and the cavity of resorption and constitute the cavity.
Further, the side wall of the upper housing is formed with the first upper semi-circle notch and the second upper half discount vibram outlet of downwardly facing opening
Mouthful, the side wall of the lower case is then formed with upwardly opening first lower half circle notch and the second lower half circle notch；On described first
Half round cut and the first lower half circle notch, which enclose, constitutes first connecting hole, the second upper semi-circle notch and described the
Two lower half circle notches, which enclose, constitutes second connecting hole.
Further, the bottom-up of the cavity of resorption is extended with multiple circular columns, the circular column have penetrate through it is described under
The post holes of chamber, towards multiple pillars are extended with, multiple protrusions are respectively embedded into multiple circular columns for the bottom of the epicoele
Post holes in.
Further, the protection board has the fixation hole passed through for multiple pillars, and the circular column abuts institute
The lower end surface of protection board is stated, the pillar passes through the fixed block and is embedded in the post holes.
Further, the side wall of the pillar, which extends outwardly, lug boss, and the lug boss abuts the protection board
Upper surface.
Further, the protection board also has the voltage interface of single battery voltage in monitoring battery pack, the shell
With the interface through-hole being pierced by for the voltage interface.
Further, the side wall downwardly facing opening of the upper housing is formed with interface opening, the side wall closing of the lower case
The interface is open to form the interface through-hole.
Further, the first rubber ring is embedded in first connecting hole.
Further, the second rubber ring is embedded in second connecting hole.
Compared with prior art, the sealing structure of starting lithium battery provided by the utility model, protection board connect by first
Wiring and the second connecting line connect battery pack and load, are placed between battery pack and load, when there is over-discharge or mistake
When punching, protection board by battery pack with load it is separated, to realize protection；And protection board is placed in sealing state
Shell in when, shell will be isolated from the outside world inside cavity and come, and is only realized and is protected by the first connecting hole and the second connecting hole
Backplate and battery pack etc. are electrically connected, and completely cut off that the protection board to come avoids moisture or dust is stained with circuit board on protection board,
Protection board is avoided calmly to burn plate and fail, and the safe handling of battery is effectively guaranteed；Solves battery guarantor in the prior art
The problem of backplate is easily damaged.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the sealing structure of starting lithium battery provided by the embodiment of the utility model；
Fig. 2 is the schematic diagram of the section structure of the sealing structure of starting lithium battery provided by the embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The realization of the utility model is described in detail below in conjunction with specific embodiment.
The same or similar label correspond to the same or similar components in the attached drawing of the present embodiment；In retouching for the utility model
In stating, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute
The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore position pass is described in attached drawing
The term of system only for illustration, should not be understood as the limitation to this patent, for those of ordinary skill in the art and
Speech, can understand the concrete meaning of above-mentioned term as the case may be.
It is preferred embodiment provided by the utility model shown in referring to Figures 1 and 2.
The sealing structure of starting lithium battery provided by the utility model, by the shell 11 that protection board 12 is placed in sealing
It is interior, so that protection board 12 is isolated from the outside world, play the role of water proof and dust proof, avoids the failure of protection board 12 and influence lithium battery
Safe handling.
The sealing structure of starting lithium battery protection board 12 provided in this embodiment, including the internal shell with cavity 113
11 and the protection board 12 that is placed in cavity 113, cavity 113 be in sealing state；Protection board 12 has to be electrically connected with battery pack
The first connecting line 121 and with load even be electrically connected the second connecting line 122, shell 11 have supply the first connecting line 121
And second connecting line 122 the first connecting hole and the second connecting hole that are pierced by.
Protection board 12 is connected battery pack and load with the second connecting line 122 by the first connecting line 121, is placed in
Battery pack and load between, when occur over-discharge or overshoot when, protection board 12 by battery pack with load it is separated, thus
Realize protection；And when being placed in protection board 12 in the shell 11 in sealing state, shell 11 will be isolated from the outside world inside cavity 113
It comes, the electric connection such as protection board 12 and battery pack is only realized by the first connecting hole and the second connecting hole, completely cut off and come
Protection board 12 avoids moisture or dust is stained with the circuit board on protection board 12, avoids protection board 12 calmly and burns plate and fail,
The safe handling of battery is effectively guaranteed.
In the present embodiment, shell 11 includes upper housing 111 and lower case 112, and upper housing 111 has the upper of downwardly facing opening
Chamber, lower case 112 have upwardly opening cavity of resorption, and epicoele and cavity of resorption, which enclose, constitutes cavity 113, pass through upper housing 111 and lower casing
Installation cooperation between body 112 constitutes shell 11, is fixedly mounted in order to which protection board 12 to be placed in cavity 113.
In this way, the side wall of upper housing 111 is formed with the first upper semi-circle notch and the second upper semi-circle notch of downwardly facing opening, under
The side wall of shell 112 is then formed with upwardly opening first lower half circle notch and the second lower half circle notch；First upper semi-circle notch with
First lower half circle notch, which encloses, constitutes the first connecting hole, and the second upper semi-circle notch and the second lower half circle notch enclose and constitute the second company
Connect hole, after upper housing 111 and the installation cooperation of lower case 112, obtain above-mentioned first connecting hole and the second connecting hole, in order to
The installation of protection board 12 is made, the first connecting line 121 is pierced by with the second connecting line 122.
Also, for the stable position for realizing upper housing 111 Yu lower case 112, upper housing 111 has and lower case 112
Docking cyclic annular upper surface, lower case 112 has the cyclic annular lower end surface docked with upper housing 111, in the ring-type of upper housing 111
The periphery of end face is protruded downward is formed with annular projection, and the periphery of the cyclic annular lower end surface of corresponding lower case 112 is towards recessed
Fall into and be formed with cyclic annular notch, in the cyclic annular notch of the annular projection insertion lower case 112 of upper housing 111, realize upper housing 111 with
The contraposition of lower case 112 is fixed.
In addition, the bottom-up of cavity of resorption is extended with multiple circular columns 1121, circular column 1121 has the post holes of perforation cavity of resorption,
Towards multiple pillars 1111 are extended with, multiple protrusions are respectively embedded into the post holes of multiple circular columns 1121 for the bottom of epicoele, in this way,
It is embedded in circular column 1121 by pillar 1111, realization upper housing 111 is fixedly connected with lower case 112.
Specifically, pillar 1111 is formed with the threaded hole towards lower case 112, bolt 14 passes through post holes and pillar 1111
Threaded hole is threadedly coupled, to realize being fixedly connected between upper housing 111 and lower case 112；Specifically, in above-mentioned lower case
The bottom periphery of 112 post holes is formed with stepped hole, and the nut of bolt 14 is then embedded in stepped hole, screw rod then protrude into post holes with
The threaded hole of pillar 1111 connects.
Also, protection board 12 has the fixation hole passed through for multiple pillars 1111, and circular column 1121 abuts protection board 12
Lower end surface, pillar 1111 pass through fixed block insertion post holes in, in this way, by upper housing 111 and lower case 112 fixation it is same
When, pillar 1111 passes through fixation hole, realizes the positioning of protection board 12, while abut protection board 12 by 1121 hole of circular column
Realize the support to protection board 12 in lower end surface.
Meanwhile the side wall of pillar 1111 extends outwardly lug boss, lug boss abuts the upper surface of protection board 12, i.e., logical
The lug boss collective effect for crossing circular column 1121 Yu pillar 1111, protection board 12 is gripped, and realizes the stabilization of protection board 12
It is fixed, it is not easy to shift.
In general, protection board 12 also has the voltage interface of single battery voltage in monitoring battery pack, shell 11, which has, to be supplied
The interface through-hole that voltage interface is pierced by, has in battery pack by the line that voltage interface connects and be electrically connected between battery out, real
Now to the monitoring and adjusting of the voltage of each battery, to guarantee the stabilization of each cell voltage.
In this way, the side wall downwardly facing opening of upper housing 111 is formed with interface opening, the side wall closed interface of lower case 112 is opened
Mouth forms interface through-hole, convenient for voltage interface is fixed in interface through-hole, meanwhile, guarantee the closed loop in cavity 113
Border.
Also, the first rubber ring 131 is embedded in the first connecting hole, it is on the one hand solid by the first rubber ring 131 of setting
On the other hand fixed first connecting line 121 prevents outside moisture and dust from entering by the first link block, is effectively guaranteed
Closed environment in cavity 113.
Further, it is embedded with the second rubber ring 132 in the second connecting hole, passes through 132 1 side of the second rubber ring of setting
The second connecting line 122 is fixed in face, on the other hand, prevents outside moisture and dust from entering by the second link block, effective to protect
The closed environment in cavity 113 is demonstrate,proved.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (10)
1. starting the sealing structure of lithium battery protection board, which is characterized in that including the internal shell with cavity and be placed in institute
The protection board in cavity is stated, the cavity is in sealing state；The protection board has and battery pack is electrically connected first connect
Line and the second connecting line being even electrically connected with load, the shell has to be connected for first connecting line and described second
The first connecting hole and the second connecting hole that wiring is pierced by.
2. the sealing structure of starting lithium battery protection board as described in claim 1, which is characterized in that the shell includes upper casing
Body and lower case, the upper housing have downwardly facing opening epicoele, the lower case have upwardly opening cavity of resorption, it is described on
Chamber and the cavity of resorption, which enclose, constitutes the cavity.
3. the sealing structure of starting lithium battery protection board as claimed in claim 2, which is characterized in that the side wall of the upper housing
It is formed with the first upper semi-circle notch and the second upper semi-circle notch of downwardly facing opening, the side wall of the lower case is then formed with to be opened upward
The first lower half circle notch of mouth and the second lower half circle notch；The first upper semi-circle notch and the first lower half circle notch enclose structure
At first connecting hole, the second upper semi-circle notch encloses composition described second with the second lower half circle notch and connect
Hole.
4. the sealing structure of starting lithium battery protection board as claimed in claim 2 or claim 3, which is characterized in that the bottom of the cavity of resorption
Portion is extended with multiple circular columns upward, and the circular column has the post holes for penetrating through the cavity of resorption, and the bottom direction of the epicoele is prolonged
Stretching has multiple pillars, and multiple pillars are respectively embedded into the post holes of multiple circular columns.
5. the sealing structure of starting lithium battery protection board as claimed in claim 4, which is characterized in that the protection board, which has, to be supplied
The fixation hole that multiple pillars pass through, the circular column abut the lower end surface of the protection board, and the pillar passes through described
Fixation hole is embedded in the post holes.
6. the sealing structure of starting lithium battery protection board as claimed in claim 5, which is characterized in that the side wall court of the pillar
It is extended with lug boss outside, the lug boss abuts the upper surface of the protection board.
7. the sealing structure of starting lithium battery protection board as claimed in claim 2 or claim 3, which is characterized in that the protection board is also
Voltage interface with single battery voltage in monitoring battery pack, the shell have the interface being pierced by for the voltage interface logical
Hole.
8. the sealing structure of starting lithium battery protection board as claimed in claim 7, which is characterized in that the side wall of the upper housing
Downwardly facing opening is formed with interface opening, and the side wall of the lower case closes the interface and is open to form the interface through-hole.
9. the sealing structure of starting lithium battery protection board as described in claim 1, which is characterized in that in first connecting hole
It is embedded with the first rubber ring.
10. the sealing structure of starting lithium battery protection board as described in claim 1, which is characterized in that second connecting hole
Inside it is embedded with the second rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821382669.1U CN209344145U (en) | 2018-08-24 | 2018-08-24 | Start the sealing structure of lithium battery protection board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821382669.1U CN209344145U (en) | 2018-08-24 | 2018-08-24 | Start the sealing structure of lithium battery protection board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209344145U true CN209344145U (en) | 2019-09-03 |
Family
ID=67744542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821382669.1U Expired - Fee Related CN209344145U (en) | 2018-08-24 | 2018-08-24 | Start the sealing structure of lithium battery protection board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209344145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111244338A (en) * | 2020-04-27 | 2020-06-05 | 北京小米移动软件有限公司 | Bending battery structure |
-
2018
- 2018-08-24 CN CN201821382669.1U patent/CN209344145U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111244338A (en) * | 2020-04-27 | 2020-06-05 | 北京小米移动软件有限公司 | Bending battery structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190903 Termination date: 20210824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |