CN203466269U - Lithium battery - Google Patents
Lithium battery Download PDFInfo
- Publication number
- CN203466269U CN203466269U CN201320579108.1U CN201320579108U CN203466269U CN 203466269 U CN203466269 U CN 203466269U CN 201320579108 U CN201320579108 U CN 201320579108U CN 203466269 U CN203466269 U CN 203466269U
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- China
- Prior art keywords
- circuit
- lithium battery
- battery
- cpu
- charging
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- 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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- 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)
- Secondary Cells (AREA)
Abstract
The utility model relates to a battery, and in particular relates to a lithium battery which comprises a lithium battery body and a shell, wherein the shell is internally provided with a protective circuit board electrically connected with a positive pole and a negative pole of the lithium battery; the protective circuit board is provided with a central processing unit (CPU), and a power circuit, a charging circuit and a discharging circuit which are connected with the CPU; an over-charge control circuit is connected between the CPU and the charging circuit; an over-discharge control circuit is connected between the CPU and the discharging circuit; the charging circuit is also connected with a charging voltage stabilizing circuit. According to the lithium battery, the over-charge control circuit and the over-discharge control circuit are adopted for controlling charging and discharging, and the voltage stabilizing circuit is added for stabilizing the voltage of the whole circuit, so that the service life of the circuit can be better prolonged; furthermore, a fuse is arranged between lithium battery body and a printed circuit board (PCB) battery thermal protection device, so that the damage caused by the failure of the PCB battery thermal protection device can be prevented; the lithium battery is provided with multiple protecting systems, and is simple in structure and obvious in effects.
Description
Technical field
The utility model relates to a kind of battery, more specifically a kind of lithium battery.
Background technology
Lithium battery is lightweight with it, volume is little, life-span is long, the feature such as pollution-free has been widely used in industry-by-industry, especially on digital equipment, and lithium battery belongs to rechargeable battery, in use often to charge, electric discharge, in this process, because external circuit short circuit or electric current are when excessive, battery heat release even can be blasted, therefore in industry employing, installing pcb board battery thermel protection device additional protects, once but lost efficacy cannot onset for this mode, another mode is that protective circuit is set, protective circuit performance conventional on market is single, cannot reach the function of voltage-stabilizing protection.
Summary of the invention
Goal of the invention of the present utility model is; for above deficiency; provide a kind of can be multiple, lithium battery that more options are protected; this lithium battery adopts and overcharges control circuit in circuit, cross and to put control circuit charge and discharge are controlled; by adding voltage stabilizing circuit, whole circuit is carried out to voltage stabilizing again; be conducive to extend the useful life of circuit; colleague's the utility model is also connected with between pcb board battery thermel protection device and is provided with fuse at lithium battery body, prevents the harm of losing efficacy and bringing because of pcb board battery thermel protection device.
The utility model is achieved through the following technical solutions:
A kind of lithium battery; comprise lithium battery body and shell; in described shell, be provided with the protective circuit plate being electrically connected to lithium battery anode and battery cathode; described protective circuit plate is provided with CPU and the power circuit being connected with CPU, charging circuit and discharge circuit; between described CPU and charging circuit, be connected with and overcharge control circuit; between described CPU and discharge circuit, be connected with and put control circuit, described charging circuit is also connected with charging and voltage stabilizing circuit.
Above-mentioned discharge circuit is connected with electric discharge voltage stabilizing circuit.
Above-mentioned lithium battery body is connected with pcb board battery thermel protection device.
Above-mentioned lithium battery body is connected with between pcb board battery thermel protection device and is provided with fuse.
Above-mentioned cover top portion is provided with anode, and described outer casing bottom is provided with battery cathode.
Above-mentioned lithium battery body comprises battery pole piece volume core, and battery pole piece volume core epimere is provided with anodal level ear and negative pole level ear, and described anodal level ear is connected with anode, and described negative pole level ear is connected with battery cathode.
The beneficial effects of the utility model are: lithium battery adopts and overcharge control circuit in circuit, cross and to put control circuit charge and discharge are controlled; by adding voltage stabilizing circuit, whole circuit is carried out to voltage stabilizing again; be conducive to extend the useful life of circuit; colleague's the utility model is also connected with between pcb board battery thermel protection device and is provided with fuse at lithium battery body; prevent the harm of losing efficacy and bringing because of pcb board battery thermel protection device; there is multiple-protection system, simple in structure and successful.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model embodiment 1 protective circuit schematic diagram;
Fig. 3 is the utility model embodiment 2 protective circuit schematic diagrames;
In figure: 1-shell, 2-anode, 3-battery cathode, 4-protective circuit plate, 5-PCB plate battery thermel protection device, 6-fuse, 7-battery pole piece volume core, the anodal level of 8-ear, 9-negative pole level ear.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further, so that those skilled in the art can better understand the utility model, but does not therefore limit the utility model.
A kind of lithium battery; comprise lithium battery body and shell 1; in described shell 1, be provided with the protective circuit plate 4 being electrically connected to anode 2 and battery cathode 3; described protective circuit plate 4 is provided with CPU and the power circuit being connected with CPU, charging circuit and discharge circuit; between described CPU and charging circuit, be connected with and overcharge control circuit; between described CPU and discharge circuit, be connected with and put control circuit, described charging circuit is also connected with charging and voltage stabilizing circuit.
Above-mentioned lithium battery body is connected with pcb board battery thermel protection device 5.
Above-mentioned lithium battery body is connected with between pcb board battery thermel protection device 5 and is provided with fuse 6.
Above-mentioned shell 1 top is provided with anode 2, and described shell 1 bottom is provided with battery cathode 3.
Above-mentioned lithium battery body comprises battery pole piece volume core 7, and LITHIUM BATTERY sheet volume core 7 epimeres are provided with anodal level ear 8 and negative pole level ear 9, and described anodal level ear 8 is connected with anode 2, and described negative pole level ear 9 is connected 3 with battery cathode.
A kind of lithium battery; comprise lithium battery body and shell 1; in described shell 1, be provided with the protective circuit plate 4 being electrically connected to anode 2 and battery cathode 3; described protective circuit plate 4 is provided with CPU and the power circuit being connected with CPU, charging circuit and discharge circuit; between described CPU and charging circuit, be connected with and overcharge control circuit; between described CPU and discharge circuit, be connected with and put control circuit, described charging circuit is also connected with charging and voltage stabilizing circuit.
Above-mentioned discharge circuit is connected with electric discharge voltage stabilizing circuit.
Above-mentioned lithium battery body is connected with pcb board battery thermel protection device 5.
Above-mentioned lithium battery body is connected with between pcb board battery thermel protection device 5 and is provided with fuse 6.
Above-mentioned shell 1 top is provided with anode 2, and described shell 1 bottom is provided with battery cathode 3.
Above-mentioned lithium battery body comprises battery pole piece volume core 7, and LITHIUM BATTERY sheet volume core 7 epimeres are provided with anodal level ear 8 and negative pole level ear 9, and described anodal level ear 8 is connected with anode 2, and described negative pole level ear 9 is connected 3 with battery cathode.
Claims (6)
1. a lithium battery; comprise lithium battery body and shell; it is characterized in that: in described shell, be provided with the protective circuit plate being electrically connected to anode and battery cathode; described protective circuit plate is provided with CPU and the power circuit being connected with CPU, charging circuit and discharge circuit; between described CPU and charging circuit, be connected with and overcharge control circuit; between described CPU and discharge circuit, be connected with and put control circuit, described charging circuit is also connected with charging and voltage stabilizing circuit.
2. a kind of lithium battery according to claim 1, is characterized in that: described discharge circuit is connected with electric discharge voltage stabilizing circuit.
3. a kind of lithium battery according to claim 1 and 2, is characterized in that: described lithium battery body is connected with pcb board battery thermel protection device.
4. a kind of lithium battery according to claim 3, is characterized in that: described lithium battery body is connected with between pcb board battery thermel protection device and is provided with fuse.
5. a kind of lithium battery according to claim 1, is characterized in that: described cover top portion is provided with anode, and described outer casing bottom is provided with battery cathode.
6. a kind of lithium battery according to claim 1 or 5, it is characterized in that: described lithium battery body comprises battery pole piece volume core, battery pole piece volume core epimere is provided with anodal level ear and negative pole level ear, and described anodal level ear is connected with anode, and described negative pole level ear is connected with battery cathode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320579108.1U CN203466269U (en) | 2013-09-18 | 2013-09-18 | Lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320579108.1U CN203466269U (en) | 2013-09-18 | 2013-09-18 | Lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203466269U true CN203466269U (en) | 2014-03-05 |
Family
ID=50178611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320579108.1U Expired - Fee Related CN203466269U (en) | 2013-09-18 | 2013-09-18 | Lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203466269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811525A (en) * | 2016-05-06 | 2016-07-27 | 常州汇森电子有限公司 | Explosion-prevention protective charger for rechargeable battery |
-
2013
- 2013-09-18 CN CN201320579108.1U patent/CN203466269U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811525A (en) * | 2016-05-06 | 2016-07-27 | 常州汇森电子有限公司 | Explosion-prevention protective charger for rechargeable battery |
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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: 20140305 Termination date: 20190918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |