CN209447980U - A kind of lithium battery goes here and there single group intelligent charge more and controls protection board - Google Patents
A kind of lithium battery goes here and there single group intelligent charge more and controls protection board Download PDFInfo
- Publication number
- CN209447980U CN209447980U CN201920332385.XU CN201920332385U CN209447980U CN 209447980 U CN209447980 U CN 209447980U CN 201920332385 U CN201920332385 U CN 201920332385U CN 209447980 U CN209447980 U CN 209447980U
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- Prior art keywords
- protection board
- lithium battery
- charge control
- control protection
- chip
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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)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of lithium battery mostly string single group intelligent charges to control protection board; it is related to lithium battery protection board technical field; mechanical strength for the existing lithium battery of solution mostly string single group protection board substrate is lower; the problem of rear surface, which is used for a long time, in lithium battery may be populated with dust, may impact in use to lithium battery and service life.The lower end of the upper housing is equipped with lower case, the front end of the lower case is provided with switch button, the side of the upper housing is provided with the first delivery outlet, the side of first delivery outlet is provided with the second delivery outlet, the side of second delivery outlet is provided with input port, the upper housing is internally provided with epoxy resin layer, the inside of the epoxy resin layer is equipped with charge control protection board, lithium battery group is installed below the charge control protection board, conducting wire is installed between the lithium battery group and charge control protection board, the upper end of the charge control protection board is equipped with DW01 chip.
Description
Technical field
The utility model relates to lithium battery protection board technical field, the mostly string single group intelligent charge control of specially a kind of lithium battery
Protection board processed.
Background technique
In lithium ion battery use process, caused to avoid the mistake of user from using and continuing working for charger
Battery heating, the decomposition of battery electrolyte inside and generating gas rises its internal pressure, lithium metal etc. releases and caused on fire
And the danger of rupture.Therefore, it is intended to protect Li-Ion rechargeable battery using protection circuit in lithium ion battery circuit
Shield, it is necessary to have charging protection function, to prevent the deterioration in characteristics of battery, on fire and rupture, it is ensured that the safety of battery and reliable
Property.
But the mechanical strength of existing lithium battery mostly string single group protection board substrate is lower, table after lithium battery is used for a long time
Face may be populated with dust, may impact in use to lithium battery and service life；Therefore, it is unsatisfactory for existing demand,
To this, we have proposed a kind of lithium battery mostly string single group intelligent charges to control protection board.
Utility model content
The purpose of this utility model is to provide a kind of lithium battery mostly string single group intelligent charges to control protection board, on solving
The mechanical strength for stating the existing lithium battery proposed in background technique mostly string single group protection board substrate is lower, and lithium battery is used for a long time
The problem of rear surface may be populated with dust, may impact in use to lithium battery and service life.
To achieve the above object, the utility model provides the following technical solutions: a kind of lithium battery goes here and there single group intelligent charge more
Protection board is controlled, including upper housing, the lower end of the upper housing are equipped with lower case, the front end of the lower case is provided with switch
Button, the side of the upper housing are provided with the first delivery outlet, and the side of first delivery outlet is provided with the second delivery outlet, institute
The side for stating the second delivery outlet is provided with input port, and the upper housing is internally provided with epoxy resin layer, the epoxy resin
The inside of layer is equipped with charge control protection board, and lithium battery group, the lithium electricity are equipped with below the charge control protection board
Conducting wire is installed, the upper end of the charge control protection board is equipped with DW01 chip, institute between Chi Zuyu charge control protection board
The side for stating DW01 chip is equipped with 8205A chip, and resistance, the charge control protection are equipped with below the DW01 chip
Heat release hole is provided with below plate, the outside of the charge control protection board is provided with heat conduction and heat radiation layer, the heat conduction and heat radiation layer
Outside be provided with waterproof layer, the outside of the waterproof layer is provided with Ageing-resistant film.
Preferably, the upper housing is connect with lower case by card slot, and the lithium battery group and lower case are connected by card slot
It connects.
Preferably, the lithium battery group and conducting wire are electrically connected, and the conducting wire and charge control protection board are electrically connected.
Preferably, there are six the heat release hole settings.
Preferably, the upper housing and epoxy resin layer, which are glued, connects, and the lower case and epoxy resin layer splicing connect.
Preferably, the charge control protection board is fixedly connected with DW01 chip, and the 8205A chip and charge control are protected
Backplate is fixedly connected.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model is made by being provided with heat conduction and heat radiation layer, heat conduction and heat radiation layer of grapheme material, graphene
Have the function of good heat conduction and heat radiation, can quickly absorb the heat of lithium battery group generation, the outer wall of heat conduction and heat radiation layer uniformly wraps
It is wrapped with waterproof layer, waterproof layer is made of PP film, and PP film waterproof performance is good, moreover, high temperature resistance is preferable, the outer wall of waterproof layer
It is uniformly plated with Ageing-resistant film, Ageing-resistant film is made of polycarbonate film, polycarbonate film excellent impact resistance, is stretched strong
Degree, bending strength, compressive strength are high, and creep properties is small, dimensionally stable, have good heat resistance and lower temperature resistance, wider
There is stable mechanical property, electrical property and anti-flammability in temperature range, it can be at subzero 60 degrees Celsius to subzero 120
It is used for a long time under conditions of degree Celsius, extends the ageing time of capacitor, the mechanical strength of substrate is higher；
2, the utility model is kept away by being provided with upper housing and lower case in the outside of charge control protection board and lithium battery
Exempt from lithium battery and rear surface gather dust is used for a long time, upper housing and lower case are internally provided with epoxy resin layer, improve whole
The waterproof performance of body improves the heat dissipation performance of lithium battery protection board by increasing the contact area of metal shell and air；
3, the utility model is by being provided with heat release hole in the upper end of charge control protection board, during charging and discharging
The intensity that heat is distributed to lithium battery is increased, intensified charging controls the service life of protection board.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the upper housing of the utility model；
Fig. 2 is that a kind of lithium battery mostly string single group intelligent charge of the utility model controls the main view of protection board；
Fig. 3 is that a kind of lithium battery mostly string single group intelligent charge of the utility model controls the structural schematic diagram of protection board.
In figure: 1, upper housing；2, lower case；3, the first delivery outlet；4, the second delivery outlet；5, input port；6, switch button；
7, charge control protection board；8, DW01 chip；9,8205A chip；10, resistance；11, heat release hole；12, lithium battery group；13, it leads
Line；14, epoxy resin layer；15, heat conduction and heat radiation layer；16, waterproof layer；17, Ageing-resistant film.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Fig. 1-3 is please referred to, a kind of embodiment provided by the utility model: a kind of lithium battery mostly string single group intelligent charge control
Protection board, including upper housing 1, the lower end of upper housing 1 are equipped with lower case 2, and the front end of lower case 2 is provided with switch button 6, on
The side of shell 1 is provided with the first delivery outlet 3, and the side of the first delivery outlet 3 is provided with the second delivery outlet 4, the second delivery outlet 4
Side is provided with input port 5, and upper housing 1 is internally provided with epoxy resin layer 14, and the inside of epoxy resin layer 14, which is equipped with, to be filled
Electric control protection board 7, the lower section of charge control protection board 7 are equipped with lithium battery group 12, and lithium battery group 12 and charge control are protected
Conducting wire 13 is installed, the upper end of charge control protection board 7 is equipped with DW01 chip 8, the side installation of DW01 chip 8 between plate 7
There is 8205A chip 9, the lower section of DW01 chip 8 is equipped with resistance 10, and the lower section of charge control protection board 7 is provided with heat release hole 11,
The outside of charge control protection board 7 is provided with heat conduction and heat radiation layer 15, and the outside of heat conduction and heat radiation layer 15 is provided with waterproof layer 16, waterproof
The outside of layer 16 is provided with Ageing-resistant film 17.
Further, upper housing 1 is connect with lower case 2 by card slot, and lithium battery group 12 is connect with lower case 2 by card slot,
It is easy to disassemble, the cleaning of charge control protection board 7 is easy.
Further, lithium battery group 12 and conducting wire 13 are electrically connected, and conducting wire 13 and charge control protection board 7 are electrically connected, and are filled
Electric control protection board 7 carries out the protection of charge and discharge to lithium battery group 12.
Further, it there are six the settings of heat release hole 11, radiates to the heat generated in work, intensified charging control protection
The service life of plate 7.
Further, upper housing 1 and epoxy resin layer 14, which are glued, connects, and lower case 2 and the splicing of epoxy resin layer 14 connect, and mentions
High whole waterproof performance.
Further, charge control protection board 7 is fixedly connected with DW01 chip 8,8205A chip 9 and charge control protection board 7
It is fixedly connected, DW01 chip 8 and 8205A chip 9 carries out charge and discharge to lithium battery group 12 and protects.
Working principle: in use, when battery core is discharged by external load, the voltage of battery core will be reduced slowly,
Simultaneously inside DW01 chip 8 will by 10 real-time monitoring battery core voltage of resistance, when battery core voltage drops to about two three volts,
DW01 chip 8 will be considered to battery core voltage and be in overdischarge voltage status, and the switching tube in 8205A chip 9 is closed because of no-voltage
It closes, i.e., the discharge loop of battery core is cut off, and battery core will stop discharging, and charge control protection board 7 is in over-discharge state and always
It keeps, after charge control protection board 7 connects charging voltage, DW01 chip 8 soon stopped after detecting charging voltage
Discharge condition, output HIGH voltage, is connected the over-discharge electric control pipe in 8205A chip 9 again, i.e., battery core and charge control are protected
Plate 7 connects again, and the charged device of battery core plugs in, when battery is charged normal by charger, with the charging time
Increase, the voltage of battery core will be higher and higher, and when battery core voltage is increased to 4 points 4 volts, DW01 chip 8 will be considered to battery core electricity
Pressure has been in overcharge voltage state, and the switching tube in 8205A chip 9 is closed because of no-voltage, at this time battery core and charge control
Protection board 7 is in an off state, i.e., the charge circuit of battery core is cut off, and battery core will stop charging, and charge control protection board 7 is in
Overcharge condition is simultaneously always maintained at, after charge control protection board 7 connects discharge load, although opening because overcharging electric control at this time
It closes pipe to close, but its internal diode positive direction is identical as the direction of discharge loop, so discharge loop can discharge,
When the voltage of battery core is placed to lower than 4 three volts, DW01 chip 8 stops additives for overcharge protection state output HIGH voltage again,
Make to overcharge the conducting of electric control pipe in 8205A chip 9, i.e., battery core connects again with charge control protection board 7, and battery core again can be into
The normal charge and discharge of row are internally provided with epoxy resin layer 14 in upper housing 1 and lower case 2, improve whole waterproofness
Energy.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of lithium battery mostly string single group intelligent charge controls protection board, including upper housing (1), it is characterised in that: the upper casing
The lower end of body (1) is equipped with lower case (2), and the front end of the lower case (2) is provided with switch button (6), the upper housing (1)
Side be provided with the first delivery outlet (3), the side of first delivery outlet (3) is provided with the second delivery outlet (4), described second
The side of delivery outlet (4) is provided with input port (5), and the upper housing (1) is internally provided with epoxy resin layer (14), the ring
The inside of oxygen resin layer (14) is equipped with charge control protection board (7), is equipped with lithium below the charge control protection board (7)
Battery pack (12) is equipped with conducting wire (13), the charge control between the lithium battery group (12) and charge control protection board (7)
The upper end of protection board (7) is equipped with DW01 chip (8), and the side of the DW01 chip (8) is equipped with 8205A chip (9), described
It is equipped with below DW01 chip (8) resistance (10), is provided with heat release hole (11) below the charge control protection board (7),
The outside of the charge control protection board (7) is provided with heat conduction and heat radiation layer (15), the external setting of the heat conduction and heat radiation layer (15)
Have waterproof layer (16), the outside of the waterproof layer (16) is provided with Ageing-resistant film (17).
2. a kind of lithium battery according to claim 1 mostly string single group intelligent charge controls protection board, it is characterised in that: described
Upper housing (1) is connect with lower case (2) by card slot, and the lithium battery group (12) is connect with lower case (2) by card slot.
3. a kind of lithium battery according to claim 1 mostly string single group intelligent charge controls protection board, it is characterised in that: described
Lithium battery group (12) and conducting wire (13) are electrically connected, and the conducting wire (13) and charge control protection board (7) are electrically connected.
4. a kind of lithium battery according to claim 1 mostly string single group intelligent charge controls protection board, it is characterised in that: described
There are six heat release hole (11) settings.
5. a kind of lithium battery according to claim 1 mostly string single group intelligent charge controls protection board, it is characterised in that: described
Upper housing (1) and epoxy resin layer (14), which are glued, to be connected, and the lower case (2) and epoxy resin layer (14) splicing connect.
6. a kind of lithium battery according to claim 1 mostly string single group intelligent charge controls protection board, it is characterised in that: described
Charge control protection board (7) is fixedly connected with DW01 chip (8), and the 8205A chip (9) and charge control protection board (7) are solid
Fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920332385.XU CN209447980U (en) | 2019-03-15 | 2019-03-15 | A kind of lithium battery goes here and there single group intelligent charge more and controls protection board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920332385.XU CN209447980U (en) | 2019-03-15 | 2019-03-15 | A kind of lithium battery goes here and there single group intelligent charge more and controls protection board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209447980U true CN209447980U (en) | 2019-09-27 |
Family
ID=68033904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920332385.XU Active CN209447980U (en) | 2019-03-15 | 2019-03-15 | A kind of lithium battery goes here and there single group intelligent charge more and controls protection board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209447980U (en) |
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2019
- 2019-03-15 CN CN201920332385.XU patent/CN209447980U/en active Active
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