CN204205571U - A kind of lithium battery protection board circuit based on 0 Europe resistive element - Google Patents
A kind of lithium battery protection board circuit based on 0 Europe resistive element Download PDFInfo
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- CN204205571U CN204205571U CN201420657620.8U CN201420657620U CN204205571U CN 204205571 U CN204205571 U CN 204205571U CN 201420657620 U CN201420657620 U CN 201420657620U CN 204205571 U CN204205571 U CN 204205571U
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- resistance
- electric capacity
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- control switch
- microcontroller
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Abstract
The utility model discloses a kind of lithium battery protection board circuit based on 0 Europe resistive element; comprise the first control switch, the second control switch, PTC overcurrent temperature protector, the first microcontroller, the second microcontroller, interface circuit, the first resistance to the 14 resistance, the first electric capacity to the 13 electric capacity, the first diode and the second diode; 12 resistance single-point grounding; 13 resistance is hop, and the 12 resistance and the 13 resistance are 0 Europe resistance.In the utility model circuit: do hop and use 0 Europe resistance can realize direct SMT paster, simple traditional human weld's hop, thus shorten the machining period of the manufacturing; Do single-point grounding, during PCB design, ground wire has been divided into two networks, and be not easy to make mistakes when process such as large area paving copper, also can serve as fuse in addition uses; Do cross-over connection to use, during PCB design, can reduce the number of plies of pcb board, thus save PCB processing cost, relatively attractive in appearance, installation also facilitates.
Description
Technical field
The utility model relates to lithium battery protection board circuit, particularly relates to a kind of lithium battery protection board circuit based on 0 Europe resistive element.
Background technology
Under normal circumstances: as long as 1 ground, finally all will link together.The pcb board drawing process of battery will bundle one piece respectively in analog with digitally, and then both linked together by a line.2, hop is designed, for Rework Technics is provided convenience.3, when PCB coplanar circuit cabling is obstructed, then can increases layer and carry out cabling.
In the market also substantially by this conceptual design, if use 0 Europe resistance, the U.S. thing of valency is honest and clean.1, in analog with digitally between be connected with the resistance in 0 Europe, instead of to be connected directly between together.The benefit done like this is exactly, and ground wire has been divided into two networks, when process such as large area paving copper, and will be many easily.2, use as wire jumper.So both attractive in appearance, install and also facilitate.3, make fuse to use.Because the blowout current of PCB upward wiring is comparatively large, if be short-circuited the faults such as overcurrent time, be difficult to fusing, larger accident may be brought.Due to 0 Europe resistor current ability to bear more weak (0 Europe resistance is also have certain resistance in fact, just very little), just first 0 Europe resistance is fused during overcurrent; thus circuit breaker; Accident prevention occurs, and as there is this type of accident, needs prerequisite to protect IC related device to lose efficacy.4, do cross-line to use, when PCB coplanar circuit cabling is obstructed, layer need not be increased and carry out cabling, directly use 0 Europe resistance cross-over connection, save design cost.
Utility model content
The purpose of this utility model provides a kind of lithium battery protection board circuit based on 0 Europe resistive element.
The utility model is achieved through the following technical solutions:
A kind of lithium battery protection board circuit based on 0 Europe resistive element; comprise the first control switch, the second control switch, PTC overcurrent temperature protector, the first microcontroller, the second microcontroller, interface circuit, the first resistance to the 14 resistance, the first electric capacity to the 13 electric capacity, the first diode and the second diode; described 12 resistance single-point grounding; described 13 resistance is hop, and described 12 resistance and described 13 resistance are 0 Europe resistance.
Particularly, lithium battery anode is connected with the first end of described PTC overcurrent temperature protector, second end of described PTC overcurrent temperature protector respectively with the first end of described 13 resistance, the first end of described 11 electric capacity is connected with the electrode input end of two described interface circuits, second end of described 13 resistance respectively with the first end of described first electric capacity, the first end of described second electric capacity, 3rd leads ends of described first microcontroller, 4th leads ends of described first microcontroller is connected with the first end of described 6th resistance, second end of described first electric capacity respectively with the second end of described second electric capacity, ground connection after the first end of described 3rd electric capacity is connected with the 6th leads ends of described first microcontroller, second end of described 3rd electric capacity respectively with the second leads ends of described first microcontroller, 5th leads ends of described first microcontroller, the first end of described 4th electric capacity is connected with the first end of described 7th resistance, second end of described 7th resistance is connected with the second end of described 4th electric capacity and the 9th leads ends of described first microcontroller respectively, 7th leads ends of described first microcontroller respectively with the first end of described 5th electric capacity, the first end of described 6th electric capacity is connected with the first end of described 3rd resistance, second end of described 3rd resistance respectively with the first end of described 5th resistance, the first end of described 12 resistance is connected with cathode of lithium battery, second end ground connection of described 12 resistance, second end of described 5th resistance respectively with the first end of described 4th resistance, the first end of described 8th electric capacity, 6th leads ends of described second microcontroller, the first end of described tenth electric capacity, first leads ends of described first control switch is connected with the second leads ends of described second control switch, second end of described 6th electric capacity is connected rear ground connection with the first end of described 7th electric capacity, second end of described 7th electric capacity respectively with the second end of described 4th resistance, second end of described 5th electric capacity is connected with the 8th leads ends of described first microcontroller, 11 leads ends of described first microcontroller is connected with the first end of described 8th resistance, second end of described 8th resistance respectively with the negative pole of described second diode, the first end of described tenth resistance is connected with the first end of described 9th resistance, the positive pole of described second diode is connected rear ground connection with the second end of described tenth resistance, second end of described 9th resistance is connected with described interface circuit, second end of described 11 electric capacity is connected with the first end of described 12 electric capacity, second end of described 12 electric capacity is connected with the negative input of described interface circuit respectively, tenth leads ends of described first microcontroller is connected with the first end of described first resistance, second end of described first resistance respectively with the negative pole of described first diode, the first end of described second resistance is connected with the first end of described 11 resistance, the positive pole of described first diode is connected rear ground connection with the second end of described 11 resistance, second end of described second resistance is connected with described interface circuit, 3rd leads ends of described second microcontroller is connected with the 4th leads ends of described first control switch and the 4th leads ends of described second control switch respectively, second leads ends of described second microcontroller respectively with the 3rd leads ends of described first control switch, 3rd leads ends of described second control switch, the first end of described 9th electric capacity, the first end of described 13 electric capacity is connected with the first end of described 14 resistance, second end of described 9th resistance is connected with the second end of described tenth resistance, second end of described 13 electric capacity is connected with the second end of described 14 resistance and described interface circuit respectively, first leads ends of described second microcontroller is connected with the second leads ends of described first control switch and the second leads ends of described second control switch respectively, 5th leads ends of described first control switch respectively with the 6th leads ends of described first control switch, 7th leads ends of described first control switch, 8th leads ends of described first control switch, 5th leads ends of described second control switch, 6th leads ends of described second control switch, 7th leads ends of described second control switch is connected with the 8th leads ends of described second control switch.
Further, described first microcontroller model is BQ27541, and described second microcontroller model is S-8261ABMMD, and described first control switch and described second control switch model are AON3814.
The beneficial effects of the utility model are:
The utility model is a kind of lithium battery protection board circuit based on 0 Europe resistive element, has the following advantages:
(1) do hop to use compared with tradition, use 0 Europe resistance can realize direct SMT paster, simple traditional human weld's hop, thus shorten the machining period of the manufacturing.
(2) do single-point grounding use compared with tradition, during PCB design, ground wire has been divided into two networks, is not easy to make mistakes, also can serves as fuse in addition and use when process such as large area paving copper.
(3) do cross-over connection use compared with tradition, during PCB design, can reduce the number of plies of pcb board, thus save PCB processing cost, relatively attractive in appearance, installation also facilitates.
Accompanying drawing explanation
Fig. 1 is circuit diagram of the present utility model.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail:
As shown in Figure 1; the utility model is a kind of lithium battery protection board circuit based on 0 Europe resistive element; comprise the first control switch Q1, second control switch Q2, PTC overcurrent temperature protector, the first microcontroller N2, the second microcontroller N1, interface circuit, the first resistance R1 to the 14 resistance Th1, the first electric capacity C1 to the 13 electric capacity C13, the first diode D1 and the second diode D2; 12 resistance R12 single-point grounding; 13 resistance R13 is hop, and the 12 resistance R12 and the 13 resistance R13 is 0 Europe resistance.Lithium battery anode is connected with the first end of PTC overcurrent temperature protector, second end of PTC overcurrent temperature protector respectively with the first end of the 13 resistance R13, the first end of the 11 electric capacity C11 is connected with the electrode input end of two interface circuits, second end of the 13 resistance R13 respectively with the first end of the first electric capacity C1, the first end of the second electric capacity C2, 3rd leads ends of the first microcontroller N2, 4th leads ends of the first microcontroller N2 is connected with the first end of the 6th resistance R6, second end of the first electric capacity C1 respectively with second end of the second electric capacity C2, ground connection after the first end of the 3rd electric capacity C3 is connected with the 6th leads ends of the first microcontroller N2, second end of the 3rd electric capacity C3 respectively with second leads ends of the first microcontroller N2, 5th leads ends of the first microcontroller N2, the first end of the 4th electric capacity C4 is connected with the first end of the 7th resistance R7, second end of the 7th resistance R7 is connected with second end of the 4th electric capacity C4 and the 9th leads ends of the first microcontroller N2 respectively, 7th leads ends of the first microcontroller N2 respectively with the first end of the 5th electric capacity C5, the first end of the 6th electric capacity C6 is connected with the first end of the 3rd resistance R3, second end of the 3rd resistance R3 respectively with the first end of the 5th resistance R5, the first end of the 12 resistance R12 is connected with cathode of lithium battery, the second end ground connection of the 12 resistance R12, second end of the 5th resistance R5 respectively with the first end of the 4th resistance R4, the first end of the 8th electric capacity C8, 6th leads ends of the second microcontroller N1, the first end of the tenth electric capacity C10, first leads ends of the first control switch Q1 is connected with second leads ends of the second control switch Q2, second end of the 6th electric capacity C6 is connected rear ground connection with the first end of the 7th electric capacity C7, second end of the 7th electric capacity C7 respectively with second end of the 4th resistance R4, second end of the 5th electric capacity C5 is connected with the 8th leads ends of the first microcontroller N2, 11 leads ends of the first microcontroller N2 is connected with the first end of the 8th resistance R8, second end of the 8th resistance R8 respectively with the negative pole of the second diode D2, the first end of the tenth resistance R10 is connected with the first end of the 9th resistance R9, the positive pole of the second diode D2 is connected rear ground connection with second end of the tenth resistance R10, second end of the 9th resistance R9 is connected with interface circuit, second end of the 11 electric capacity C11 is connected with the first end of the 12 electric capacity C12, second end of the 12 electric capacity C12 is connected with the negative input of interface circuit respectively, tenth leads ends of the first microcontroller N2 is connected with the first end of the first resistance R1, second end of the first resistance R1 respectively with the negative pole of the first diode D1, the first end of the second resistance R2 is connected with the first end of the 11 resistance R11, the positive pole of the first diode D1 is connected rear ground connection with second end of the 11 resistance R11, second end of the second resistance R2 is connected with interface circuit, 3rd leads ends of the second microcontroller N1 is connected with the 4th leads ends of the first control switch Q1 and the 4th leads ends of the second control switch Q2 respectively, second leads ends of the second microcontroller N1 respectively with the 3rd leads ends of the first control switch Q1, 3rd leads ends of the second control switch Q2, the first end of the 9th electric capacity C9, the first end of the 13 electric capacity C13 is connected with the first end of the 14 resistance R14, second end of the 9th resistance R9 is connected with second end of the tenth resistance R10, second end of the 13 electric capacity C13 is connected with second end of the 14 resistance R14 and interface circuit respectively, first leads ends of the second microcontroller N1 is connected with second leads ends of the first control switch Q1 and second leads ends of the second control switch Q2 respectively, 5th leads ends of the first control switch Q1 respectively with the 6th leads ends of the first control switch Q1, 7th leads ends of the first control switch Q1, 8th leads ends of the first control switch Q1, 5th leads ends of the second control switch Q2, 6th leads ends of the second control switch Q2, 7th leads ends of the second control switch Q2 is connected with the 8th leads ends of the second control switch Q2.First microcontroller N2 model is BQ27541, and the second microcontroller N1 model is S-8261ABMMD, and the first control switch Q1 and the second control switch Q2 model are AON3814.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., be all included within protection scope of the present invention.
Claims (3)
1. the lithium battery protection board circuit based on 0 Europe resistive element; comprise the first control switch, the second control switch, PTC overcurrent temperature protector, the first microcontroller, the second microcontroller, interface circuit, the first resistance to the 14 resistance, the first electric capacity to the 13 electric capacity, the first diode and the second diode; it is characterized in that: described 12 resistance single-point grounding; described 13 resistance is hop, and described 12 resistance and described 13 resistance are 0 Europe resistance.
2. a kind of lithium battery protection board circuit based on 0 Europe resistive element according to claim 1, it is characterized in that: lithium battery anode is connected with the first end of described PTC overcurrent temperature protector, second end of described PTC overcurrent temperature protector respectively with the first end of described 13 resistance, the first end of described 11 electric capacity is connected with the electrode input end of two described interface circuits, second end of described 13 resistance respectively with the first end of described first electric capacity, the first end of described second electric capacity, 3rd leads ends of described first microcontroller, 4th leads ends of described first microcontroller is connected with the first end of described 6th resistance, second end of described first electric capacity respectively with the second end of described second electric capacity, ground connection after the first end of described 3rd electric capacity is connected with the 6th leads ends of described first microcontroller, second end of described 3rd electric capacity respectively with the second leads ends of described first microcontroller, 5th leads ends of described first microcontroller, the first end of described 4th electric capacity is connected with the first end of described 7th resistance, second end of described 7th resistance is connected with the second end of described 4th electric capacity and the 9th leads ends of described first microcontroller respectively, 7th leads ends of described first microcontroller respectively with the first end of described 5th electric capacity, the first end of described 6th electric capacity is connected with the first end of described 3rd resistance, second end of described 3rd resistance respectively with the first end of described 5th resistance, the first end of described 12 resistance is connected with cathode of lithium battery, second end ground connection of described 12 resistance, second end of described 5th resistance respectively with the first end of described 4th resistance, the first end of described 8th electric capacity, 6th leads ends of described second microcontroller, the first end of described tenth electric capacity, first leads ends of described first control switch is connected with the second leads ends of described second control switch, second end of described 6th electric capacity is connected rear ground connection with the first end of described 7th electric capacity, second end of described 7th electric capacity respectively with the second end of described 4th resistance, second end of described 5th electric capacity is connected with the 8th leads ends of described first microcontroller, 11 leads ends of described first microcontroller is connected with the first end of described 8th resistance, second end of described 8th resistance respectively with the negative pole of described second diode, the first end of described tenth resistance is connected with the first end of described 9th resistance, the positive pole of described second diode is connected rear ground connection with the second end of described tenth resistance, second end of described 9th resistance is connected with described interface circuit, second end of described 11 electric capacity is connected with the first end of described 12 electric capacity, second end of described 12 electric capacity is connected with the negative input of described interface circuit respectively, tenth leads ends of described first microcontroller is connected with the first end of described first resistance, second end of described first resistance respectively with the negative pole of described first diode, the first end of described second resistance is connected with the first end of described 11 resistance, the positive pole of described first diode is connected rear ground connection with the second end of described 11 resistance, second end of described second resistance is connected with described interface circuit, 3rd leads ends of described second microcontroller is connected with the 4th leads ends of described first control switch and the 4th leads ends of described second control switch respectively, second leads ends of described second microcontroller respectively with the 3rd leads ends of described first control switch, 3rd leads ends of described second control switch, the first end of described 9th electric capacity, the first end of described 13 electric capacity is connected with the first end of described 14 resistance, second end of described 9th resistance is connected with the second end of described tenth resistance, second end of described 13 electric capacity is connected with the second end of described 14 resistance and described interface circuit respectively, first leads ends of described second microcontroller is connected with the second leads ends of described first control switch and the second leads ends of described second control switch respectively, 5th leads ends of described first control switch respectively with the 6th leads ends of described first control switch, 7th leads ends of described first control switch, 8th leads ends of described first control switch, 5th leads ends of described second control switch, 6th leads ends of described second control switch, 7th leads ends of described second control switch is connected with the 8th leads ends of described second control switch.
3. a kind of lithium battery protection board circuit based on 0 Europe resistive element according to claim 1; it is characterized in that: described first microcontroller model is BQ27541; described second microcontroller model is S-8261ABMMD, and described first control switch and described second control switch model are AON3814.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420657620.8U CN204205571U (en) | 2014-11-05 | 2014-11-05 | A kind of lithium battery protection board circuit based on 0 Europe resistive element |
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| CN201420657620.8U CN204205571U (en) | 2014-11-05 | 2014-11-05 | A kind of lithium battery protection board circuit based on 0 Europe resistive element |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300510A (en) * | 2014-11-05 | 2015-01-21 | 四川鑫远志空间信息科技有限公司 | Lithium battery protection board circuit based on zero-ohm resistance element |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300510A (en) * | 2014-11-05 | 2015-01-21 | 四川鑫远志空间信息科技有限公司 | Lithium battery protection board circuit based on zero-ohm resistance element |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20151105 |
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| EXPY | Termination of patent right or utility model |