CN209561468U - A kind of dropproof lithium battery pack of water proof and dust proof fire prevention - Google Patents
A kind of dropproof lithium battery pack of water proof and dust proof fire prevention Download PDFInfo
- Publication number
- CN209561468U CN209561468U CN201920580623.9U CN201920580623U CN209561468U CN 209561468 U CN209561468 U CN 209561468U CN 201920580623 U CN201920580623 U CN 201920580623U CN 209561468 U CN209561468 U CN 209561468U
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- China
- Prior art keywords
- positive
- lithium battery
- negative
- elastic slice
- lower case
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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
Abstract
The utility model relates to a kind of dropproof lithium battery packs of water proof and dust proof fire prevention, feature is, shell is cylindrical, there are two battery compartments inside lower case, battery plus-negative plate elastic slice is provided between two lithium battery head and the tail, positive elastic slice and cathode elastic slice are respectively arranged at positive terminal after lithium battery series connection and at negative pole end, positive plate and negative electrode tab are integrated into a positive and negative anodes printed circuit board component, the component is set in lower case at lithium battery group positive terminal, positive and negative anodes printed circuit board center circle is positive plate, outer ring circle is negative electrode tab, positive plate and negative electrode tab are separated by insulation ring plate, the conductive column of positive plate connection passes through shell and is electrically connected with positive elastic slice, the conductive column of negative electrode tab connection passes through shell and is electrically connected with lead terminal, the lead terminal is electrically connected by conducting wire with cathode elastic slice, upper shell cover and lower case are first in a snap-fit manner It is fixed, then fastened by screw, silica gel sealing ring is provided between lower case and the faying face of upper shell cover and at screw fixed hole.
Description
Technical field
The utility model relates to a kind of power supply module, in particular a kind of dropproof lithium battery group of preventing fires with water proof and dust proof
Part.
Background technique
Many movements or portable equipment have been required to high-efficient light battery component and provide electric energy for it.And mobile or portable dress
Standby locating use environment and weather conditions are often relatively more severe, and if shell protection is not added in traditional lithium battery, be unable to reach severe
The environment requirement at quarter.In addition, different movements or portable electricity consumption equipment have various size requirement to battery pack, for this purpose,
Need to synthesize the lithium battery group of regular size battery component, and the size of the battery component meets various movements or portable dress
The standby size requirement to battery pack, while also effectively improving the environmental suitability of lithium battery group.
Summary of the invention
The utility model aim is to provide a kind of good lithium battery pack of environmental suitability.
To achieve the above object, the technical solution of the utility model is a kind of dropproof lithium battery group of water proof and dust proof fire prevention
Part, composition includes shell, lithium battery, positive plate and negative electrode tab, battery spring lamination, it is characterised in that: the shell is cylinder
The bodily form is divided into lower case and upper shell cover, and lower case inside is there are two battery compartment, and two lithium batteries are placed in battery compartment, two lithiums
It is provided with battery plus-negative plate elastic slice between battery head and the tail, is respectively set at the positive terminal after two lithium batteries series connection and at negative pole end
There are anode elastic slice and battery cathode elastic slice, the positive plate and negative electrode tab are integrated into a positive and negative anodes printed circuit board portion
Part, the component are set in lower case at lithium battery group positive terminal, and the center circle of the positive and negative anodes printed circuit board is positive plate,
Outer ring circle is that negative electrode tab, positive plate and negative electrode tab are separated by insulation ring plate, and the conductive column of positive plate connection passes through shell and electricity
Pond anode elastic slice is in electrical connection, and the conductive column of negative electrode tab connection passes through shell with lead terminal in being electrically connected, and the lead terminal is logical
Conducting wire is crossed with battery cathode elastic slice in being electrically connected, upper shell cover is first fixed in a snap-fit manner with lower case, then is fastened by screw, In
Silica gel sealing ring is provided between lower case and the faying face of upper shell cover and at screw fixed hole.
In the above-mentioned technical solutions, the sealing of " O " type is provided at the contact surface of the positive and negative anodes printed circuit board and shell
Circle, and fixed positive and negative anodes printed circuit board with housing seal with sealant.
In the above-mentioned technical solutions, shaft orientation reinforcing rib and radial reinforcement are provided in the cavity of the lower case and upper shell cover
Muscle.
It in the above-mentioned technical solutions, further include having power management and protection circuit in constituting, the circuit is by power management
Module and protection circuit module composition, the input terminal of power management module are in be electrically connected with the anode of lithium battery group, power management
The output end of module, in being electrically connected, protects the input terminal and lithium electricity of circuit module with the positive plate in positive and negative anodes printed circuit board
The cathode in pond protects the output end of circuit module and the negative electrode tab in positive and negative anodes printed circuit board in being electrically connected in electrical connection, electric
Source control module and protection circuit module are integrated on a circuit board, which is arranged in lower case cavity.
The utility model advantage, 1, battery component shell lower case and upper shell cover card seam between and upper shell cover, lower casing
It is provided with silica gel sealing ring around body fixing threaded hole, plays the effect of dustproof and waterproof；2, using metric system tooth screw, guarantee to turn round spiral shell
It follows closely the comparison that backteeth combines and mostly and again reaches power.3, at positive and negative anodes PCB excessively electric (energization) in terms of water proof and dust proof, by by positive and negative anodes
Conductive column on PCB reaches in shell after passing through shell and riveting fixes on the shell, and encrypts sealing sealing, to guarantee that its is close
Feng Xing.4, it is provided with three reinforcing ribs on shell length direction, is also equipped with three reinforcing ribs on the width, improves shell
Force-bearing situation, guarantee shell bear certain outside pressure and impact force will not be bad, to adapt to fall, vibrate, transporting
Etc. environmental factor.5, battery contact uses the battery spring lamination of spring steel material, and elasticity is fine, dynamics is enough, can be abundant
Guarantee that battery has good contact in case of shock, guarantees to work normally.6, the lithium electricity of profession is added in battery pack
Output can be truncated in pond protection board automatically in the case where external short circuit, play the effect of protection battery.7, battery case materials
Reach fireproof requirement for PA66, fire-protection rating V0.8, this design scheme also solves the feelings because of the limitation of military battery type spectrum
Condition.Can customized shell according to the actual situation, achieve the purpose that replaceable.
Detailed description of the invention
Fig. 1 is that the utility model opens the structural schematic diagram presented after upper shell cover.
Fig. 2 is the utility model positive and negative anodes printing board PCB schematic diagram.
Fig. 3 is positive and negative anodes PCB and housing seal fixed structure schematic diagram.
Fig. 4 is the schematic shapes of the utility model lower case.
Fig. 5 is the schematic shapes of the utility model silica gel sealing ring.
Fig. 6 is the utility model battery management and protection circuit block diagram.
Fig. 7 is the utility model external structure schematic diagram.
In the figures above, 1 is lower case, and 2 be lithium battery, and 3 be battery management and protection circuit plate, and 4 be positive and negative anodes PCB, 5
Anode elastic slice, 6 be silica gel sealing ring, and 7 be battery plus-negative plate elastic slice, and 8 be screw, and 9 be battery cathode elastic slice, 10 be on
Cap (is not drawn), and 11 be positive plate (positive and negative anodes PCB center circle), and 12 be negative electrode tab (the outer ring circle of positive and negative anodes PCB), and 13
It is insulation ring plate, 14 be positive and negative anodes PCB, and 15 be shell, and 16 be " O " type sealing ring, and 17 be positive conductive column (corn), and 18 be negative
Pole lead terminal (connecting ear coil), 21 be positive and negative anodes PCB, and 22 be positive conductive column, and 23 be negative conductive column, and 24 be radial add
Strengthening tendons, 25 be shaft orientation reinforcing rib, and 26 be the frame of silica gel sealing ring, and 27 be silica gel sealing ring screw circle, and 31 be lithium battery group, 32
It is power management module, 33 be protection circuit module, and 34 be positive and negative anodes PCB.
Specific embodiment
Embodiment one, in the present embodiment, the diameter of battery component shell is 35mm, length 142mm.Fig. 1 is this implementation
Example opens schematic diagram after upper shell cover.
Battery component shell is cylindrical, is divided into lower case 1 and upper shell cover 10,1 inside of lower case there are two battery compartment,
Two lithium batteries 2 are placed in battery compartment, and battery plus-negative plate elastic slice 7, two lithium battery strings are provided between two 2 head and the tail of lithium battery
Anode elastic slice 5 and battery cathode elastic slice 9 are respectively arranged at positive terminal after connection and at negative pole end, positive and negative anodes PCB 4 is set
It is placed in lower case at lithium battery group positive terminal.Upper shell cover 10 is first fixed in a snap-fit manner with lower case 1, then tight by screw 8
Gu being provided with silica gel sealing ring 6 between lower case and the faying face of upper shell cover and at screw fixed hole.
In the present embodiment, referring to attached drawing 2, positive and negative anodes PCB center circle 11 is positive plate, the outer ring circle of positive and negative anodes PCB
12 be negative electrode tab, and insulation ring plate 13 is provided between positive and negative anodes PCB positive plate 11 and negative electrode tab 12.
In the present embodiment, referring to attached drawing 3, the positive conductive column 17 and anode elastic slice 5 of positive and negative anodes PCB 14 is in electricity
Connection, the negative conductive column of positive and negative anodes PCB is in be electrically connected with lead terminal 18, between lead terminal 18 and battery cathode elastic slice 9
It is in be electrically connected by conducting wire, is provided with " O " type sealing ring 15 at the contact surface of positive and negative anodes PCB 14 and shell 16 and uses sealant
Positive and negative anodes PCB14 and the sealing of shell 16 are fixed.
In the present embodiment, referring to attached drawing 4, radial reinforcing rib is provided on the cavity inner wall of lower case 1 and upper shell cover 10
24 and shaft orientation reinforcing rib 25.The shape of silica gel sealing ring 6 is as shown in Fig. 5, and silica gel sealing ring frame 26 is located at lower case 1 and upper
Between cap 10, closing lid functions of waterproof and dustproof is played.Sealing when silica gel sealing ring screw circle 27 passes through for fixing screws and it is pre-
It stays.
It in the present embodiment, further include having power management and protection circuit, the circuit is by power management mould referring to attached drawing 6
Block 32 and protection circuit module 33 form, and the input terminal of power management module 32 is in be electrically connected with the anode of lithium battery group 31, electricity
The output end of source control module 32, in being electrically connected, protects the defeated of circuit module 33 with the positive plate in positive and negative anodes printed circuit board 34
Enter end with the cathode of lithium battery 31 in being electrically connected, protects the output end of circuit module 33 and bearing in positive and negative anodes printed circuit board 34
Pole piece is integrated on a circuit board 3 in electrical connection, power management module 32 and protection circuit module 33, the circuit board 3 setting
In 1 cavity of lower case.
The present embodiment lithium battery pack face shaping is as shown in Fig. 7.Arrows end is the direction positive and negative anodes PCB end.
In the present embodiment, used lithium battery model 18650, two section lithium batteries are packed into shell, form the present embodiment
Given lithium battery pack.The present embodiment has reached following technical effect.
Firstly, the lithium battery pack had both changed the dimensional parameters after original two sections lithium battery series connection.It solves because of army
The case where being limited with battery type spectrum.Can customized shell size shape according to the actual situation, achieve the purpose that replaceable.
The performances such as dropproof vibration proof secondly, the dustproof and waterproof that the lithium battery pack improves lithium battery group is prevented fires.
1, in dustproof and waterproof design aspect, it joined the design of silica gel sealing ring.On the one hand, closing lid waterproof type is to use
The mode that silica gel water proof ring all encases reaches water proof and dust proof purpose in terms of closing lid.On the other hand, it is used at screw and adds waterproof
The mode of circle prevents water and dust from entering.
2, in leakproofness design aspect, on the one hand use metric system tooth screw, guarantee to turn round comparison that screw backteeth combines it is more and
And enough power.On the other hand, at PCB excessively electric (energization) in terms of water proof and dust proof, passed through after shell using the conductive column on positive and negative anodes PCB
It reaches in shell and riveting fixes on the shell, and encrypt sealing sealing, guarantee its leakproofness.
3, in dropproof, vibration proof design aspect, doing in the stress degree of shell glue part improves.On the one hand, In
With three reinforcing ribs in length, on the width also with three reinforcing ribs, guarantee shell glue part can bear certain outside pressure and
Impact force will not damage.On the other hand, battery contact uses the battery spring lamination of spring steel material, and elasticity is fine, dynamics is enough, can
There is good contact to fully ensure that battery in case of shock, guarantees to work normally.
4, in terms of fire protection design, battery case materials PA66, fire-protection rating V0.Reach fireproof requirement.
Again, battery management and protection circuit are provided in the lithium battery pack, it can be automatic under external short-circuit conditions
The effect of protection battery is played in truncation output, while can also be to charging and discharging lithium battery implementation Process management, to improve lithium electricity
The service efficiency and service life of pond group.
Claims (4)
- The dropproof lithium battery pack 1. a kind of water proof and dust proof is prevented fires, composition includes shell, lithium battery, positive plate and cathode Piece, battery spring lamination, it is characterised in that: the shell is cylindrical, is divided into lower case and upper shell cover, there are two lower case inside Battery compartment, two lithium batteries are placed in battery compartment, and battery plus-negative plate elastic slice, two lithium electricity are provided between two lithium battery head and the tail Be respectively arranged with anode elastic slice and battery cathode elastic slice at positive terminal after the series connection of pond and at negative pole end, the positive plate and Negative electrode tab is integrated into a positive and negative anodes printed circuit board component, which is set in lower case at lithium battery group positive terminal, institute The center circle for stating positive and negative anodes printed circuit board is positive plate, and outer ring circle is negative electrode tab, positive plate and negative electrode tab by insulation ring plate It separates, the conductive column of positive plate connection passes through shell with anode elastic slice in being electrically connected, and the conductive column of negative electrode tab connection passes through Shell is with lead terminal in being electrically connected, which is in be electrically connected with battery cathode elastic slice by conducting wire, upper shell cover and lower casing Body is first fixed in a snap-fit manner, then by screw fastening, between lower case and the faying face of upper shell cover and screw fixed hole Place is provided with silica gel sealing ring.
- The dropproof lithium battery pack 2. a kind of water proof and dust proof according to claim 1 is prevented fires, it is characterised in that: described positive and negative Be provided with " O " type sealing ring at the contact surface of pole printed circuit board and shell, and with sealant by positive and negative anodes printed circuit board with Housing seal is fixed.
- The dropproof lithium battery pack 3. a kind of water proof and dust proof according to claim 1 is prevented fires, it is characterised in that: the lower casing Shaft orientation reinforcing rib and radial reinforcing rib are provided in the cavity of body and upper shell cover.
- The dropproof lithium battery pack 4. a kind of water proof and dust proof according to claim 1 is prevented fires, it is characterised in that: during it is constituted It further include having power management and protection circuit, which is made of power management module and protection circuit module, power management mould The input terminal of block is in be electrically connected with the anode of lithium battery group, in the output end and positive and negative anodes printed circuit board of power management module Positive plate protects the input terminal of circuit module, in being electrically connected, to protect the output of circuit module with the cathode of lithium battery in electrical connection With the negative electrode tab in positive and negative anodes printed circuit board in being electrically connected, power management module and protection circuit module are integrated in an electricity at end On the plate of road, which is arranged in lower case cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920580623.9U CN209561468U (en) | 2019-04-26 | 2019-04-26 | A kind of dropproof lithium battery pack of water proof and dust proof fire prevention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920580623.9U CN209561468U (en) | 2019-04-26 | 2019-04-26 | A kind of dropproof lithium battery pack of water proof and dust proof fire prevention |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209561468U true CN209561468U (en) | 2019-10-29 |
Family
ID=68313542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920580623.9U Expired - Fee Related CN209561468U (en) | 2019-04-26 | 2019-04-26 | A kind of dropproof lithium battery pack of water proof and dust proof fire prevention |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209561468U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054311A (en) * | 2021-03-12 | 2021-06-29 | 广东旭派新能源有限公司 | Lithium ion battery convenient to multiunit concatenation formula |
| CN114454222A (en) * | 2022-03-23 | 2022-05-10 | 东莞凤铭科技交流有限公司 | Electric hair cutter |
-
2019
- 2019-04-26 CN CN201920580623.9U patent/CN209561468U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054311A (en) * | 2021-03-12 | 2021-06-29 | 广东旭派新能源有限公司 | Lithium ion battery convenient to multiunit concatenation formula |
| CN114454222A (en) * | 2022-03-23 | 2022-05-10 | 东莞凤铭科技交流有限公司 | Electric hair cutter |
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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: 20191029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |