CN109581934A - A kind of safe lithium electricity storage control system switching control system and its control method - Google Patents
A kind of safe lithium electricity storage control system switching control system and its control method Download PDFInfo
- Publication number
- CN109581934A CN109581934A CN201811585983.4A CN201811585983A CN109581934A CN 109581934 A CN109581934 A CN 109581934A CN 201811585983 A CN201811585983 A CN 201811585983A CN 109581934 A CN109581934 A CN 109581934A
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- control system
- triode
- resistance
- current
- electricity storage
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
Abstract
The present invention relates to a kind of safe lithium electricity storage control system switching control systems, including external switch S1, control circuit and MCU controller, the bipod of the external switch S1 is coupled on control circuit wiring board, control circuit is connect with the interrupt pin of MCU controller, signaling switch by triggering an outside gives main control chip MCU, controlling lithium electricity storage control system by MCU again is to be turned on or off state, when in the closed position, make main control chip in a dormant state, but its all I/O pin is in the state before suspend mode, guarantee that whole system can be in a determining working condition；When current lithium electricity storage control system is open state, all recovery normal operating conditions of system.
Description
Technical field
The present invention relates to a kind of safe lithium electricity storage control system switching control systems and its control method.Belong to new energy to answer
Use technical field.
Background technique
Most of lithium electricity storage control system is currently on the market in order to solve the problems, such as that system opens and closes, and there are two types of solution party
Case: the 1, mechanical switch for a high current of connecting on the electrode line of lithium battery or in negative line.However lithium electricity storage control system exists
Charging or discharging current is bigger when work, the aging of meeting acceleration mechanical switch, and powerful switch is expensive, and high-temperature soldering
It is bad to will lead to switch contact；2, some lithium electricity storage control system is realized by the method for cutting control unit MCU power supply
To the switch control of system, the method will lead to charging for the lithium electricity storage control system with charging activation function and can not manage,
Lithium battery is caused to overcharge explosion.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of inexpensive, high stability peace for the above-mentioned prior art
Full lithium electricity storage control system switching control system and its control method, various parts are in uncontrollable shape when avoiding being abnormal
State.
The present invention solves the above problems used technical solution are as follows: a kind of safe lithium electricity storage control system switching control system
System, including external switch S1, control circuit and MCU controller, the bipod of the external switch S1 are coupled with control circuit line
On the plate of road, control circuit is connect with the interrupt pin of MCU controller, and wherein control circuit includes current-limiting resistance R1, R2, counnter attack two
Pole pipe VD1, divider resistance R3 and triode Q1, the collector of the triode Q1 are connected to MCU controller with pull-up resistor
Interrupt pin；A foot of the current-limiting resistance R1 is connected with the voltage BAT+ of lithium battery, another foot and counnter attack diode VD1 phase
Even, a foot of counnter attack diode VD1 is connected as No. 1 pad with a foot of external switch S1, another foot of external switch S1 and
Current-limiting resistance R2 is connected, and another foot of the current-limiting resistance R2 is connected with the base stage of triode Q1, while the triode Q1
Base stage is grounded by divider resistance R3.
Preferably, it is 10k, the current-limiting resistance that error is +/- 5%, counnter attack diode VD1 that current-limiting resistance R1, R2, which is resistance value,
Using LL4148 type diode, divider resistance R3 is that resistance value is 20k, the current-limiting resistance that error is +/- 5%, triode Q1 use
SS9014 type triode.
The present invention provides a kind of implementation method of above-mentioned safe lithium electricity storage control system switching control system, the method packet
It includes:
External switch S1 is disconnected, control system is in close state, and the base stage of triode Q1 pulls down to ground by resistance R3, this
When triode Q1 be not turned on, current collection extremely high level after MCU controller identifies this high level, into suspend mode, and is closed
All topological circuits, and all I/O mouthfuls are the working condition before suspend mode；
It is closed external switch S1, control system works normally, and the voltage BAT+ of lithium battery passes through resistance R1, R2, VD1 and electricity
Resistance R3 partial pressure provides a cut-in voltage, triode Q1 conducting, the current collection of triode extremely low level, phase for triode Q1 base stage
Between the collector pin generate a failing edge, by the failing edge activation in a dormant state under MCU controller, then
MCU controller judges that system is in normal operating conditions at this time by identifying the low level state.
The present invention gives main control chip MCU by the signaling switch of one outside of triggering, then lithium electricity storage control system is controlled by MCU
System is to be turned on or off state, when in the closed position, makes main control chip in a dormant state, but its all I/O draws
Foot is in the state before suspend mode, guarantees that whole system can be in a determining working condition；Current lithium electricity stores up control system
When open state, all recovery normal operating conditions of system.
Compared with the prior art, the advantages of the present invention are as follows:
1, external switch is flowed through because not having high current, as long as normal signal switchs, reduces cost, improved
System stability；
2, when suspend mode, MCU all I/O mouths are in determining state, when avoiding being abnormal at various parts
In uncontrollable state, system stability is high；
3, outside connected switch circuit has defencive function, and mis-wired will not damage controller.
Detailed description of the invention
Fig. 1 is a kind of system schematic of safe lithium electricity storage control system switching control system of the embodiment of the present invention.
Fig. 2 is the electrical block diagram of control circuit of the embodiment of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figure 1, the lithium electricity storage control system switching control system of one of the present embodiment safety, including external switch
S1, control circuit and MCU controller, the bipod of the external switch S1 are coupled on the 1 of control circuit wiring board, 2 pads,
Control circuit is connect with the interrupt pin of MCU controller, and it is 10k (kilohm), error J that wherein control circuit, which includes resistance value,
(current-limiting resistance R1, R2 of +/- 5%), LL4148 type counnter attack diode VD1, resistance value is 20k (kilohm), and error is that J is (+/-
5%) divider resistance R3 and SS9014 type triode Q1, the collector of the triode Q1 are connected to MCU controller with pull-up
The interrupt pin of resistance；A foot of the current-limiting resistance R1 is connected with the voltage BAT+ of lithium battery, another foot and counnter attack diode
VD1 is connected, and a foot of counnter attack diode VD1 is connected as No. 1 pad with a foot of external switch S1, and external switch S1's is another
Foot is connected with the current-limiting resistance R2 as No. 2 pads, and another foot of the current-limiting resistance R2 is connected with the base stage of triode Q1, together
The base stage of Shi Suoshu triode Q1 is grounded by divider resistance R3.
The workflow of above-mentioned on-off control system is as follows:
When disconnecting external switch S1, control system is in close state, and when S1 is disconnected, the base stage of triode Q1 is by resistance R3
Ground is pulled down to, triode Q1 is not turned at this time, current collection extremely high level, after MCU controller identifies this high level, into suspend mode mould
Formula, and all topological circuits are closed, and all I/O mouthfuls are the working condition before suspend mode, the operating current of entire controller can
It ignores, the loss of battery is minimized.
When control system work normally when, be closed external switch S1, at this time the voltage BAT+ of lithium battery by resistance R1,
R2, VD1 and resistance R3, which divide, provides a cut-in voltage, triode Q1 conducting, the collector of triode for triode Q1 base stage
For low level, during which the collector pin generates a failing edge, is controlled by the MCU under failing edge activation in a dormant state
Device processed, then MCU controller judges that system is in normal operating conditions at this time by identifying the low level state.
Wherein: resistance R1, counnter attack diode VD1 constitute protection circuit, after 1 foot pad enters high voltage by misconnection, by
Battery will not be had an impact in the anti-reaction of VD1, when 1 foot pad is entered systematically by misconnection, due to current-limiting resistance R1
Effect, lithium battery will not be short-circuited.
In addition to the implementation, all to use equivalent transformation or equivalent replacement the invention also includes there is an other embodiments
The technical solution that mode is formed should all be fallen within the scope of the hereto appended claims.
Claims (3)
1. a kind of safe lithium electricity storage control system switching control system, it is characterised in that: including external switch S1, control circuit and
The bipod of MCU controller, the external switch S1 is coupled on control circuit wiring board, control circuit and MCU controller
Interrupt pin connection, wherein control circuit includes current-limiting resistance R1, R2, counnter attack diode VD1, divider resistance R3 and triode
Q1, the collector of the triode Q1 are connected to the interrupt pin that MCU controller has pull-up resistor；The one of the current-limiting resistance R1
Foot is connected with the voltage BAT+ of battery, and another foot is connected with counnter attack diode VD1, and a foot of counnter attack diode VD1 is as No. 1
Pad is connected with a foot of external switch S1, and another foot of external switch S1 is connected with current-limiting resistance R2, the current-limiting resistance R2
Another foot be connected with the base stage of triode Q1, while the base stage of the triode Q1 is grounded by divider resistance R3.
2. a kind of safe lithium electricity storage control system switching control system according to claim 1, it is characterised in that: current limliting electricity
Resistance R1, R2 are resistance values for 10k, and the current-limiting resistance that error is +/- 5%, counnter attack diode VD1 uses LL4148 type diode, point
Piezoresistance R3 is that resistance value is 20k, and the current-limiting resistance that error is +/- 5%, triode Q1 is using SS9014 type triode.
3. a kind of implementation method of safe lithium electricity storage control system switching control system as described in claim 1, feature exist
In: the described method includes:
External switch S1 is disconnected, control system is in close state, and the base stage of triode Q1 pulls down to ground by resistance R3, and at this time three
Pole pipe Q1 is not turned on, current collection extremely high level, after MCU controller identifies this high level, into suspend mode, and is closed all
Topological circuit, and all I/O mouthfuls are the working condition before suspend mode；
It is closed external switch S1, control system works normally, and the voltage BAT+ of battery passes through resistance R1, R2, VD1 and resistance R3
Partial pressure provides a cut-in voltage, triode Q1 conducting for triode Q1 base stage, during which the current collection of triode extremely low level should
Collector pin generates a failing edge, and by the MCU controller under failing edge activation in a dormant state, then MCU is controlled
Device processed judges that system is in normal operating conditions at this time by identifying the low level state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811585983.4A CN109581934A (en) | 2018-12-24 | 2018-12-24 | A kind of safe lithium electricity storage control system switching control system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811585983.4A CN109581934A (en) | 2018-12-24 | 2018-12-24 | A kind of safe lithium electricity storage control system switching control system and its control method |
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| Publication Number | Publication Date |
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| CN109581934A true CN109581934A (en) | 2019-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811585983.4A Pending CN109581934A (en) | 2018-12-24 | 2018-12-24 | A kind of safe lithium electricity storage control system switching control system and its control method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205351388U (en) * | 2016-01-27 | 2016-06-29 | 常州矽能电子科技有限公司 | Low -power consumption intelligence electric arc lighter circuit |
| CN108832696A (en) * | 2018-07-27 | 2018-11-16 | 苏州市博得立电源科技有限公司 | Lithium battery group |
| CN209231746U (en) * | 2018-12-24 | 2019-08-09 | 江阴华慧源电子技术有限公司 | A kind of safe lithium electricity storage control system switching control system |
-
2018
- 2018-12-24 CN CN201811585983.4A patent/CN109581934A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205351388U (en) * | 2016-01-27 | 2016-06-29 | 常州矽能电子科技有限公司 | Low -power consumption intelligence electric arc lighter circuit |
| CN108832696A (en) * | 2018-07-27 | 2018-11-16 | 苏州市博得立电源科技有限公司 | Lithium battery group |
| CN209231746U (en) * | 2018-12-24 | 2019-08-09 | 江阴华慧源电子技术有限公司 | A kind of safe lithium electricity storage control system switching control system |
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