CN206685945U - Serondary lithium battery conservative management system - Google Patents
Serondary lithium battery conservative management system Download PDFInfo
- Publication number
- CN206685945U CN206685945U CN201720548922.5U CN201720548922U CN206685945U CN 206685945 U CN206685945 U CN 206685945U CN 201720548922 U CN201720548922 U CN 201720548922U CN 206685945 U CN206685945 U CN 206685945U
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- CN
- China
- Prior art keywords
- lithium battery
- battery
- circuit module
- management system
- serondary
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model belongs to serondary lithium battery technical field, more particularly to serondary lithium battery conservative management system, including charging circuit module, battery management circuit module, DC DC reduction voltage circuit modules and lithium battery, the battery management circuit module respectively with the charging circuit module, DC DC reduction voltage circuit modules and lithium battery connection, the battery management circuit module includes battery management chip, the battery management chip includes anode connection terminal and the negative pole connection end electrically connected respectively with lithium battery anode and negative pole, switching triode is provided between the anode connection terminal and lithium battery of the battery management chip.By setting switching triode between the anode connection terminal of battery management chip and lithium battery, so that by switching the connection between triode disconnection DC DC reduction voltage circuit modules and battery management circuit module in charging process, charge efficiency is lifted to reduce the consumption of electricity by disconnecting DC DC reduction voltage circuit modules, while reduces the caloric value of battery.
Description
Technical field
The utility model belongs to serondary lithium battery technical field, and in particular to serondary lithium battery conservative management system.
Background technology
Existing dry cell is applicable not only to the civil areas such as consumer electronics, and is also applied for national defence, telecommunications, medical science etc.
Every field in national economy.The galvanic cell that dry cell belongs in electrochmical power source, it is a kind of disposable battery, it is annual discarded dry
More than 10,000,000,000, battery.As global energy is in short supply and the getting worse of environmental pollution, the repeatable battery used that charges is answered
With will be more and more extensive.
Rechargeable battery has ni-mh at present, and NI-G, lithium battery, AA, AAA type ni-mh, nickel-cadmium cell are nominally electric at present
It is 1.5V to press as 1.2V, zinc-manganese, alkaline Mn cell nominal voltage, and lithium battery nominal voltage is 3.7V~4.2V.Therefore various batteries
Can not be all compatible using field.Such as more and more conventional lithium battery wants low pressure output, then necessity will be equipped with reduction voltage circuit.
In addition, lithium battery energy density is high, but chemical property is active, different from traditional lead acid batteries.Battery must be used during use
Management system is monitored and protected in real time to it.Such as No. 5 relatively conventional (AA) serondary lithium batteries are provided with battery management
Circuit, but the problems such as caloric value is big, efficiency for charge-discharge is low during existing No. 5 serondary lithium battery generally existings work (electric discharge).
Utility model content
The purpose of this utility model is：In view of the shortcomings of the prior art, there is provided serondary lithium battery conservative management system, with
The efficiency for charge-discharge of lithium battery is improved, and reduces caloric value when lithium battery works.
To achieve these goals, the utility model adopts the following technical scheme that：
Serondary lithium battery conservative management system, including charging circuit module, battery management circuit module, DC-DC decompression electricity
Road module and lithium battery, the battery management circuit module respectively with the charging circuit module, DC-DC reduction voltage circuit modules
And lithium battery connection, the battery management circuit module include battery management chip, the battery management chip includes dividing
The anode connection terminal not electrically connected with lithium battery anode and negative pole and negative pole connection end, the positive pole connection of the battery management chip
Switching triode is provided between end and lithium battery.
One kind as serondary lithium battery conservative management system described in the utility model is improved, and the switching triode is
PNP type triode.
One kind as serondary lithium battery conservative management system described in the utility model is improved, the PNP type triode
Colelctor electrode and the anode connection terminal of battery management chip connect, the emitter stage of the PNP type triode and the positive pole of lithium battery
Connection, the base stage of the PNP type triode are connected with control level.
One kind as serondary lithium battery conservative management system described in the utility model is improved, the charging circuit module
External power source can be converted to constant voltage supply to lithium cell charging.
One kind as serondary lithium battery conservative management system described in the utility model is improved, the DC-DC decompressions electricity
The output voltage of lithium battery can be depressured by road module.
One kind as serondary lithium battery conservative management system described in the utility model is improved, the DC-DC decompressions electricity
The output voltage of lithium battery can be depressurized to 1.5V by road module.
One kind as serondary lithium battery conservative management system described in the utility model is improved, the charging circuit module
Including LED light.
One kind as serondary lithium battery conservative management system described in the utility model is improved, and the lithium battery is AA lithiums
Battery or AAA lithium batteries.
The beneficial effects of the utility model are：Offer serondary lithium battery conservative management system, including charging circuit module,
Battery management circuit module, DC-DC reduction voltage circuit modules and lithium battery, the battery management circuit module are filled with described respectively
Electric circuit module, DC-DC reduction voltage circuit modules and lithium battery connection, the battery management circuit module include battery management
Chip, the anode connection terminal and negative pole that the battery management chip includes electrically connecting with lithium battery anode and negative pole respectively are connected
End, switching triode is provided between the anode connection terminal and lithium battery of the battery management chip.By in battery management core
Switching triode is set between the anode connection terminal and lithium battery of piece so that disconnects DC- by switching triode in charging process
Connection between DC reduction voltage circuit modules and battery management circuit module, i.e., by disconnecting DC-DC reduction voltage circuit modules to reduce
The consumption lifting charge efficiency of electricity, while reduce the caloric value of battery.
Brief description of the drawings
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is circuit diagram of the present utility model.
Embodiment
The utility model and its advantage are made below in conjunction with embodiment and Figure of description further detailed
Describe in detail bright, still, specific embodiment of the present utility model is not limited thereto.
As illustrated in fig. 1 and 2, there is provided serondary lithium battery conservative management system, including charging circuit module, battery management circuit
Module, DC-DC reduction voltage circuit modules and lithium battery, wherein the lithium battery is AA lithium batteries or AAA lithium batteries, the electricity
Pond management circuit module is connected with the charging circuit module, DC-DC reduction voltage circuit modules and lithium battery respectively, the electricity
Pond management circuit module includes battery management chip U1, the battery management chip U1 include respectively with lithium battery anode and negative pole
The anode connection terminal BAT+ and negative pole connection end BAT- of electrical connection, the anode connection terminal BAT+ and lithium of the battery management chip U1
Switching triode is provided between battery.By being set between battery management chip U1 anode connection terminal BAT+ and lithium battery
Switch triode so that disconnect DC-DC reduction voltage circuit modules and battery management circuit mould by switching triode in charging process
Connection between block, i.e., by disconnecting DC-DC reduction voltage circuit modules to reduce the consumption of electricity to lift charge efficiency, drop simultaneously
The caloric value of low battery.The switching triode set simultaneously can also realize the same port discharge and recharge of lithium battery, by cutting during charging
Triode cut-out lithium battery and the connection of DC-DC reduction voltage circuit modules are changed, so as to realize same port charging；During electric discharge, it will switch
Triode admittance, lithium battery is connected with battery management circuit module, then reduced output voltage realized by DC-DC reduction voltage circuit modules,
The circuit structure is simple and practical, it is easy to accomplish, make circuit structure compacter with port discharge and recharge.
Wherein, the switching triode is PNP type triode, the colelctor electrode and battery management of the PNP type triode Q1
Chip U1 anode connection terminal BAT+ connections, the emitter stage of the PNP type triode Q1 and the positive pole of lithium battery connect, described
PNP type triode Q1 base stage is connected with control level.Level is controlled as high electricity when the base stage for being applied to PNP type triode Q1
Usually, the positive pole of lithium battery disconnects with battery management chip U1；When the control level for the base stage for being applied to PNP type triode Q1
For low level when, PNP type triode Q1 conducting so that the positive pole of lithium battery connects with battery management chip U1.
Wherein, the charging circuit module can be converted to external power source constant voltage supply to lithium cell charging.Institute
The output voltage of lithium battery can be depressured by stating DC-DC reduction voltage circuit modules, and the DC-DC reduction voltage circuit modules can incite somebody to action
The output voltage of lithium battery is depressurized to 1.5V.
Preferably, the charging circuit module includes LED light, to play charge prompting and low capacity prompt
Effect.
By setting the serondary lithium battery conservative management system, when lithium battery is No. 5 lithium batteries, the quiescent dissipation of battery
Less than 50UA, battery voltage stabilizing 1.5V delivery efficiencies are more than 95%.
The announcement and teaching of book according to the above description, the utility model those skilled in the art can also be to above-mentioned realities
The mode of applying is changed and changed.Therefore, the utility model is not limited to above-mentioned embodiment, every this area skill
It is new that art personnel any conspicuously improved, replacement or modification made on the basis of the utility model belong to this practicality
The protection domain of type.In addition, although used some specific terms in this specification, but these terms are intended merely to conveniently say
It is bright, any restrictions are not formed to the utility model.
Claims (8)
1. serondary lithium battery conservative management system, it is characterised in that：Including charging circuit module, battery management circuit module, DC-
DC reduction voltage circuit modules and lithium battery, the battery management circuit module are depressured with the charging circuit module, DC-DC respectively
Circuit module and lithium battery connection, the battery management circuit module include battery management chip, the battery management core
Piece includes anode connection terminal and the negative pole connection end electrically connected respectively with lithium battery anode and negative pole, the battery management chip
Switching triode is provided between anode connection terminal and lithium battery.
2. serondary lithium battery conservative management system according to claim 1, it is characterised in that：It is described switching triode be
PNP type triode.
3. serondary lithium battery conservative management system according to claim 2, it is characterised in that：The PNP type triode
The anode connection terminal of colelctor electrode and battery management chip connects, and the emitter stage of the PNP type triode and the positive pole of lithium battery connect
Connect, the base stage of the PNP type triode is connected with control level.
4. serondary lithium battery conservative management system according to claim 1, it is characterised in that：The charging circuit module energy
It is enough that external power source is converted into constant voltage supply to lithium cell charging.
5. serondary lithium battery conservative management system according to claim 1, it is characterised in that：The DC-DC reduction voltage circuits
The output voltage of lithium battery can be depressured by module.
6. serondary lithium battery conservative management system according to claim 5, it is characterised in that：The DC-DC reduction voltage circuits
The output voltage of lithium battery can be depressurized to 1.5V by module.
7. serondary lithium battery conservative management system according to claim 1, it is characterised in that：The charging circuit module bag
Include LED light.
8. serondary lithium battery conservative management system according to claim 1, it is characterised in that：The lithium battery is AA lithiums electricity
Pond or AAA lithium batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548922.5U CN206685945U (en) | 2017-05-17 | 2017-05-17 | Serondary lithium battery conservative management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548922.5U CN206685945U (en) | 2017-05-17 | 2017-05-17 | Serondary lithium battery conservative management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206685945U true CN206685945U (en) | 2017-11-28 |
Family
ID=60406697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720548922.5U Active CN206685945U (en) | 2017-05-17 | 2017-05-17 | Serondary lithium battery conservative management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206685945U (en) |
-
2017
- 2017-05-17 CN CN201720548922.5U patent/CN206685945U/en active Active
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