CN203326581U - Triode-based secondary protection fusing circuit for lithium batteries - Google Patents
Triode-based secondary protection fusing circuit for lithium batteries Download PDFInfo
- Publication number
- CN203326581U CN203326581U CN2013204610360U CN201320461036U CN203326581U CN 203326581 U CN203326581 U CN 203326581U CN 2013204610360 U CN2013204610360 U CN 2013204610360U CN 201320461036 U CN201320461036 U CN 201320461036U CN 203326581 U CN203326581 U CN 203326581U
- Authority
- CN
- China
- Prior art keywords
- module
- fusing
- triode
- resistance
- pin
- 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 - Lifetime
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a triode-based secondary protection fusing circuit for lithium batteries. The fusing circuit comprises a first fusing module, a second fusing module, a starting module and a control module, wherein the control module is connected with the starting module, the starting module is respectively connected with the first and second fusing modules, and a second port of the first fusing module is connected with a first port of the second fusing module; the starting module comprises a triode, a third resistor and a fourth resistor, the base electrode of the triode is connected with a first pin of the third resistor and a first pin of the fourth resistor, the emitter electrode of the triode is connected with the anode of a battery pack and a second pin of the third resistor, and the collector electrode of the triode is connected with the second port of the first fusing module and the first port of the second fusing module. The triode-based secondary protection fusing circuit for the lithium batteries has the advantages that the starting module employs the triode so that cost and investment are effectively reduced, rapid fusing is realized, the fusing circuit is more reliable, and safety of the battery pack is ensured.
Description
Technical field
The utility model relates to a kind of Zapping circuit, is specifically related to a kind of lithium battery second class protection Zapping circuit based on triode.
Background technology
Lithium battery (Lithium battery) refers in electrochemical system and contains the lithium battery of (comprising lithium metal, lithium alloy and lithium ion, lighium polymer).Lithium battery is broadly divided into two classes: lithium metal battery and lithium ion battery.Lithium metal battery is normally non-rechargeabel, and includes the lithium of metallic state.Lithium ion battery does not contain the lithium of metallic state, and can charge.
Existing lithium battery protection circuit reliability is not high, and protective circuit is easily damaged, and easily causes lithium battery seriously to overcharge, and then the blast of power brick catching fire.
In view of this, nowadays in the urgent need to a kind of new protective circuit is provided, disposable protectiveness fusing is irrecoverable, the fail safe that improves power brick.
The utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide a kind of fail safe of power brick and lithium battery second class protection Zapping circuit based on triode of improving.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
A kind of lithium battery second class protection Zapping circuit based on triode, comprise: the first fusing module, the second fusing module, start module and control module, aforementioned control module connects the startup module, start module and connect respectively again the first fusing module, the second fusing module, the first port of aforementioned the first fusing module connects the power brick negative pole, the second port of the first fusing module connects the first port of the second fusing module, the second port connecting charger negative pole of the second fusing module, it is characterized in that, aforementioned startup module comprises: triode, the 3rd resistance and the 4th resistance, the base stage of aforementioned triode connects the first pin of the 3rd resistance, the first pin of the 4th resistance, emitter connects the power brick positive pole, the second pin of the 3rd resistance, collector electrode connects the second port of the first fusing module, the first port of the second fusing module.
The aforesaid lithium battery second class protection Zapping circuit based on triode, is characterized in that, aforementioned control module comprises: fuse protection control unit in parallel, each fuse protection control unit is furnished with respectively a control interface.
The aforesaid lithium battery second class protection Zapping circuit based on triode; it is characterized in that; aforementioned control interface comprises: the diode of series connection and control module resistance; the anode of aforementioned diodes is connected with the second pin of the 4th resistance; negative electrode is connected with the first pin of control module resistance, and the second pin of control module resistance is connected with the output of fuse protection control unit.
The aforesaid lithium battery second class protection Zapping circuit based on triode is characterized in that aforementioned fuse protection control unit is three.
Usefulness of the present utility model is: due to what start the module employing, be triode; effectively reducing cost drops into; and realized quick fuse, made the reliability of lithium battery second class protection Zapping circuit of the present utility model higher, thereby guaranteed the fail safe of power brick.
The accompanying drawing explanation
Fig. 1 is the circuit diagram of the lithium battery second class protection Zapping circuit of the utility model based on triode.
The implication of Reference numeral: 1-the first fusing module in figure, 2-the second fusing module, 3-starts module, 4-control module, B-: power brick negative pole, C-: charger negative pole, B+: power brick positive pole.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to concrete introduction.
With reference to Fig. 1, the lithium battery second class protection Zapping circuit based on triode of the present utility model comprises: the first fusing module 1(is FU1), the second fusing module 2(is FU2), start module 3 and control module 4.Control module 4 connects startup module 3, in order to starting module 3, to send the signals of telecommunication, to open or to turn-off second class protection; Start module 3 and connect respectively again the first fusing module 1, the second fusing module 2, in order to start the first fusing module 1,2 pairs of battery fuse protections of the second fusing module; The first port of the first fusing module 1 connects power brick negative pole B-, and the second port of the first fusing module 1 connects the first port of the second fusing module 2, the second port connecting charger negative pole C-of the second fusing module 2.Wherein, starting module 3 comprises: triode Q1, the 3rd resistance R 3 and the 4th resistance R 4, the base stage of triode Q1 connects the first pin of the 3rd resistance R 3, the first pin of the 4th resistance R 4, emitter connects the second pin of the anodal B+ of power brick, the 3rd resistance R 3, and collector electrode connects the second port of the first fusing module 1, the first port of the second fusing module 2.
Be triode due to what start the module employing, effectively reduce cost and drop into, and realized quick fuse, make the reliability of lithium battery second class protection Zapping circuit of the present utility model higher, thereby guaranteed the fail safe of power brick.
As a kind of preferred scheme, in the utility model lithium battery second class protection Zapping circuit, its control module 4 comprises: fuse protection control unit in parallel, each fuse protection control unit is furnished with respectively a control interface.
More preferably, control interface comprises: the diode of series connection (diode D1, diode D2, diode D3) and control module resistance (control module resistance R 1, control module resistance R 2, control module resistance R 5).Wherein, the anode of diode is connected with the second pin of the 4th resistance R 4; negative electrode is connected with the first pin of control module resistance, and the second pin of control module resistance is connected with the output of fuse protection control unit (network C U1, network C U2, network C U3).
In the utility model, the fuse protection control unit is preferably three, i.e. the first fuse protection control unit, the second fuse protection control unit, the 3rd fuse protection control unit.Accordingly, be furnished with respectively the first control interface, the second control interface, the 3rd control interface on first, second, third fuse protection control unit.
The first control interface comprises: the first diode D1 of series connection and the first control module resistance R 1; the anode of the first diode D1 is connected with the second pin of the 4th resistance R 4; negative electrode is connected with the first pin of the first control module resistance R 1, and the second pin of the first control module resistance R 1 is connected with the output network C U1 of fuse protection control unit.
The second control interface comprises: the second diode D2 of series connection and the second control module resistance R 2; the anode of the second diode D2 is connected with the second pin of the 4th resistance R 4; negative electrode is connected with the first pin of the second control module resistance R 2, and the second pin of the second control module resistance R 2 is connected with the output network C U2 of fuse protection control unit.
The 3rd control interface comprises: the 3rd diode D3 of series connection and the 5th control module resistance R 5; the anode of the 3rd diode D3 is connected with the second pin of the 4th resistance R 4; negative electrode is connected with the first pin of the 5th control module resistance R 5, and the second pin of the 5th control module resistance R 5 is connected with the output network C U3 of fuse protection control unit.
With reference to Fig. 1, the operation principle that starts module 3 is:
Channel start control end network C U1, CU2, CU3, any one controlled terminal is moved low level to, triode Q1 conducting, electric current flows to power brick negative pole B-from the anodal B+ of power brick by triode Q1, the first fusing module 1, charging stream flows to charger negative pole C-by triode Q1, the second fusing module 2 simultaneously, thereby make the first fusing module 1, the second fusing module 2 fusing cut off charge circuit, exit charging.
It should be noted that, above-described embodiment does not limit the utility model in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection range of the present utility model.
Claims (4)
1. the lithium battery second class protection Zapping circuit based on triode, comprise: the first fusing module, the second fusing module, start module and control module, described control module connects the startup module, start module and connect respectively again the first fusing module, the second fusing module, the first port of described the first fusing module connects the power brick negative pole, the second port of the first fusing module connects the first port of the second fusing module, the second port connecting charger negative pole of the second fusing module, it is characterized in that, described startup module comprises: triode, the 3rd resistance and the 4th resistance, the base stage of described triode connects the first pin of the 3rd resistance, the first pin of the 4th resistance, emitter connects the power brick positive pole, the second pin of the 3rd resistance, collector electrode connects the second port of the first fusing module, the first port of the second fusing module.
2. the lithium battery second class protection Zapping circuit based on triode according to claim 1, is characterized in that, described control module comprises: fuse protection control unit in parallel, each fuse protection control unit is furnished with respectively a control interface.
3. the lithium battery second class protection Zapping circuit based on triode according to claim 2; it is characterized in that; described control interface comprises: the diode of series connection and control module resistance; the anode of described diode is connected with the second pin of the 4th resistance; negative electrode is connected with the first pin of control module resistance, and the second pin of control module resistance is connected with the output of fuse protection control unit.
4. according to the described lithium battery second class protection Zapping circuit based on triode of claim 2 or 3, it is characterized in that, described fuse protection control unit is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204610360U CN203326581U (en) | 2013-07-31 | 2013-07-31 | Triode-based secondary protection fusing circuit for lithium batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204610360U CN203326581U (en) | 2013-07-31 | 2013-07-31 | Triode-based secondary protection fusing circuit for lithium batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203326581U true CN203326581U (en) | 2013-12-04 |
Family
ID=49665876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204610360U Expired - Lifetime CN203326581U (en) | 2013-07-31 | 2013-07-31 | Triode-based secondary protection fusing circuit for lithium batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203326581U (en) |
-
2013
- 2013-07-31 CN CN2013204610360U patent/CN203326581U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203166556U (en) | Multipath cell series-parallel automatic conversion circuit | |
| CN203466559U (en) | Lithium battery charging and discharging protection circuit | |
| CN104300606A (en) | Multi-string battery protection system | |
| CN204334058U (en) | A kind of balancer of serial lithium battery group | |
| CN104734260A (en) | Power battery equalizing charge method and system | |
| CN214672757U (en) | Automatic heating system for battery pack | |
| CN202405763U (en) | Over-discharge protection circuit and battery utilizing same | |
| CN205141785U (en) | Digital intelligent charging ware based on single chip microcomputer control | |
| CN203326581U (en) | Triode-based secondary protection fusing circuit for lithium batteries | |
| CN201263095Y (en) | Multipath combined charger | |
| CN203387168U (en) | Relay based lithium battery secondary protection fuse circuit | |
| CN202127240U (en) | Overcharging and over-discharging protection circuit of lithium battery | |
| CN203135413U (en) | Lithium battery secondary protection fusing circuit | |
| CN204205573U (en) | Charge protector of battery | |
| CN107681737A (en) | A kind of UAV Intelligent charging system | |
| CN202218007U (en) | Power lithium ion battery protective circuit | |
| CN204361198U (en) | Battery management system and high pressure Detection & Controling main controller thereof | |
| CN202121334U (en) | Monocase charge-discharge end supplement equalization module and battery set equalization protection management system thereof | |
| CN205177961U (en) | Lithium ion battery | |
| CN202260414U (en) | Over-charging protection circuit for power lithium ion battery | |
| CN204652010U (en) | The charge-discharge control circuit of BMS | |
| CN203301191U (en) | Lithium ion battery system with automatic cut-out protection function | |
| CN204046149U (en) | Overcharge of a battery protective circuit | |
| CN203119563U (en) | Household direct-current energy storage equipment for photovoltaic lithium batteries | |
| CN203774852U (en) | Lithium battery pack charging system of multi-output fly-back converter based on ARM control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215600 Zhangjiagang, Jiangsu, Jiangsu, Yangtze River, the Yangtze River International Metallurgical Industrial Park (Yu Bridge Village, the 25 buildings) Jiangsu Bo Qiang new energy Polytron Technologies Inc, Patentee after: JIANGSU BOQIANG NEW ENERGY TECHNOLOGY CO.,LTD. Address before: Suzhou, Jiangsu, Zhangjiagang, Jin Jiang, Jiangsu Yangtze River International Metallurgical Industrial Park (Yu Bridge Village 25) Jiangsu Bo Qiang Amperex Technology Limited () Patentee before: JIANGSU RICHPOWER NEW ENERGY CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |
|
| CX01 | Expiry of patent term |