CN108832696A - Lithium battery group - Google Patents
Lithium battery group Download PDFInfo
- Publication number
- CN108832696A CN108832696A CN201810846182.2A CN201810846182A CN108832696A CN 108832696 A CN108832696 A CN 108832696A CN 201810846182 A CN201810846182 A CN 201810846182A CN 108832696 A CN108832696 A CN 108832696A
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- China
- Prior art keywords
- switch
- lithium battery
- controlled device
- delay
- detection switch
- 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.)
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Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 66
- 238000001514 detection method Methods 0.000 claims abstract description 52
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims description 4
- 230000003111 delayed effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000002253 acid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
Abstract
The invention discloses a kind of lithium battery groups, for giving controlled device power supply, including lithium battery, battery management system, detection switch and delay startup circuit；Detection switch is mounted in the charge and discharge electrical interface of lithium battery；Delay startup circuit includes first switch, second switch, time delay resistance and starting control unit, and time delay resistance is negative temperature coefficient resister；Entirety formation start unit in parallel with second switch after first switch and time delay resistance series connection, the two series connection, start unit are connected between controlled device and lithium battery；Start control unit and be electrically connected first switch and the second switch, starting control unit receives the detection signal of detection switch, and exports control signal, and first switch and the second switch is according to control signal conduction or shutdown.Lithium battery group of the invention, detection switch detect the working condition of lithium battery automatically, the starting time for the detection signal adjustment controlled device that delay startup circuit is fed back according to detection switch, the clean boot of controlled device are ensured by start-up study.
Description
Technical field
The present invention relates to a kind of lithium battery groups, and in particular to a kind of lithium battery group with automatic detection and delayed startup.
Background technique
Substituted in electric bicycle field with secondary lithium battery the technological difficulties of traditional lead-acid battery first is that need
It to install overcurrent additional for secondary lithium battery, overcharge and the safe operations of the protection circuit to guarantee battery such as over-discharge.
Due under the conditions of same voltage capacity, the lead-acid battery that the discharge-rate of secondary lithium battery is far longer than,
Therefore when directly replacing lead-acid battery with lithium ion battery, if the controller parameter of battery management system does not adjust accordingly,
It is excessive often to will cause powered on moment electric current, to trigger overcurrent protection, leads to not the case where normally starting.In addition, at present
The output of common cell or charge and discharge port are closed type, i.e., battery directly can externally export electric discharge, therefore access in battery
The moment of system easily generates electric arc, this not only has certain security risk, also can easily cause the damage of charge and discharge port.But by
In many kinds of of electric bicycle controller and electric system, operating condition is different, if require controller according to the actual situation into
Row adjustment is very big with the realization difficulty of match battery, therefore designs and a kind of have the function of that delayed startup and automatic detection battery work
The lithium cell for electric bicycle group of state becomes particularly important with the controller and electric system that are adapted to different vehicle.
Summary of the invention
It can automatically detect cell operating status and according to detection the technical problem to be solved in the present invention is to provide a kind of
The cell operating status arrived carries out the lithium battery group that timing control realizes delayed startup.
In order to solve the above-mentioned technical problems, the present invention provides a kind of lithium battery groups, for powering to controlled device, packet
Lithium battery and battery management system are included, the battery pack further includes detection switch and delay startup circuit；The detection switch peace
In the charge and discharge electrical interface of lithium battery, whether the charge and discharge electrical interface for detecting the lithium battery is accessed；The delayed startup
It is electrically connected between controlled device and lithium battery；
The delay startup circuit includes first switch, second switch, time delay resistance and starting control unit, the delay
Resistance is negative temperature coefficient resister；After the first switch and time delay resistance series connection, the first switch and time delay resistance series connection
Entirety formation start unit in parallel with second switch, the start unit is connected between controlled device and lithium battery；
The starting control unit is electrically connected first switch and the second switch, and the starting control unit receives detection switch
Detection signal, and export control signal, the first switch and the second switch is according to the control signal conduction or shutdown；
When starting the controlled device, conducting first switch, shutdown second switch；
After the controlled device starting, shutdown first switch, conducting second switch.
It further comprise the starting control unit include delay chip in a preferred embodiment of the present invention, the inspection
The one end for surveying switch connects lithium battery, and the other end connects the power input of delay chip, the output end of the delay chip
Connect the battery management system；The battery management system control connection first switch and the second switch, the battery management
The control first switch and the second switch conducting of control signal or shutdown that system is exported according to delay chip.
It further comprise that bootstrapping is connected between the detection switch and delay chip in a preferred embodiment of the present invention
Circuit, the boostrap circuit include capacitor C and diode Z, and whole one end ground connection after the capacitor and diodes in parallel is another
End connection is connected between detection switch and the power input of delay chip.
It further comprise that protection is connected between the detection switch and delay chip in a preferred embodiment of the present invention
Circuit, the protection circuit includes protective resistance and protection diode, after the series connection of both the protective resistance and protection diode
Entirety be connected between detection switch and the power input of delay chip.
It further comprise that the second switch has at least two be sequentially connected in series in a preferred embodiment of the present invention,
Each second switch is all in accordance with the control signal conduction or closing.
It further comprise the first switch or/and second switch is power switch in a preferred embodiment of the present invention
Pipe.
It further comprise the first switch and the second switch is NMOS tube in a preferred embodiment of the present invention, point
It Wei not the first NMOS tube and the second NMOS tube.
It further comprise the source electrode connection time delay resistance of first NMOS tube in a preferred embodiment of the present invention,
Drain electrode connection controlled device, grid connect battery management system.
It further comprise two the 2nd NMOS there are two the second NMOS tube tools in a preferred embodiment of the present invention
The grid of pipe is all connected with battery management system, the source electrode connection of two the second NMOS tubes, the drain electrode of one of them the second NMOS tube
Battery is connected, the drain electrode of another the second NMOS tube connects controlled device.
It further comprise the first switch or/and second switch is PMOS tube in a preferred embodiment of the present invention.
Lithium battery group of the invention, detection switch detect the working condition of lithium battery automatically, and delay startup circuit is according to inspection
The starting time for surveying the detection signal adjustment controlled device of switch feedback, ensure that the safety of controlled device opens by start-up study
It is dynamic.
Detailed description of the invention
Fig. 1 is the circuit diagram of lithium battery group in the preferred embodiment of the present invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Embodiment
As shown in Figure 1, present embodiment discloses a kind of lithium battery group, for powering to controlled device, the present embodiment technology
In scheme, lithium battery group is used to power to the controller of electric bicycle, does not adjust in electric bicycle controller parameter
In the case of, the automatic working condition for detecting lithium battery, and stop powering or pacifying to controller according to the working condition of lithium battery
Full starting controller.
Specifically, above-mentioned lithium battery group includes lithium battery, battery management system, detection switch S and delay startup circuit.
Above-mentioned detection switch S is mounted in the charge and discharge electrical interface of lithium battery, and the charge and discharge for detecting above-mentioned lithium battery connect
Whether mouth accesses：When the charge and discharge electrical interface access of lithium battery, detection switch S closure, the charge and discharge electrical interface of lithium battery is not accessed
When, detection switch S is disconnected.In the present embodiment technical solution, detection switch S is mounted in the charge and discharge electrical interface of lithium battery, once
Detection switch S will be touched in charge and discharge electrical connector insertion interface, so that detection switch S is connected；Conversely, charge and discharge electrical connector from
After extracting in interface, detection switch S is disconnected automatically, so that the charge and discharge electrical interface of lithium battery forms an open type state.
On the other hand, in the present embodiment technical solution, above-mentioned detection switch S can be the microswitch of Design of Mechanical Structure
Or optoelectronic switch.
Above-mentioned delay startup circuit is connected between controlled device and lithium battery, and above-mentioned delay startup circuit is used for according to inspection
It surveys the detection information clean boot controlled device of switch S feedback or stops powering to controlled device.
Specifically, above-mentioned delay startup circuit includes first switch Q1, second switch Q2, time delay resistance NTC and starting control
Unit processed, above-mentioned time delay resistance NTC are negative temperature coefficient resister；In the present embodiment technical solution, the delay electricity of negative temperature coefficient
The resistance value of resistance increases with temperature and is reduced.Above-mentioned first switch Q1 and time delay resistance NTC series connection, above-mentioned first switch Q1 and prolongs
When resistance NTC series connection after entirety formation start unit in parallel with second switch Q2, above-mentioned start unit is connected on controlled device
Between battery；
Above-mentioned starting control unit electrical connection first switch Q1 and second switch Q2, above-mentioned starting control unit receive detection
The detection signal of switch s, and control signal is exported, above-mentioned first switch Q1 and second switch Q2 are according to above-mentioned control signal conduction
Or shutdown；
When starting above-mentioned controlled device, conducting first switch Q1, shutdown second switch Q2；
After above-mentioned controlled device starting, shutdown first switch Q1, conducting second switch Q2.
The delay startup circuit of the above structure, the process for starting electric bicycle controller are as follows：
When detection switch S detects the charge and discharge electrical interface access of lithium battery, enabling signal is exported, starting control unit receives
To after enabling signal, output control signal conduction first switch Q1, pipeline section second switch Q2, at this time lithium battery be concatenated first
Switch Q1 connects the controller of electric bicycle with time delay resistance NTC, and circuit enters delayed startup state, due to time delay resistance
The negative temperature coefficient metering function of NTC, the resistance of time delay resistance NTC are gradually reduced, the output electric current of lithium battery it is ascending by
Step increases, so that the starting current of controller is limited in a lesser range, will not trigger the overcurrent protection of lithium battery,
Ensure that controller secure starts by start-up study with this.After controller secure starting, output control signal turns off first switch
Q1, conducting second switch Q2, controller of the battery through second switch Q2 connection electric bicycle, circuit enter normal work shape
State.When detection switch S detects that the charge and discharge electrical interface of lithium battery does not access, output stops power supply signal, starts control unit
It receives after stopping power supply signal, output control signal turns off first switch Q1 and second switch Q2, entire delay startup circuit
It restPoses.
In the present embodiment technical solution, by adjusting the turn-on time of first switch Q1, the electricity of different model can be corresponded to
Dynamic bicycle controller is applicable in.
Specifically, above-mentioned starting control unit includes delay chip MCU, one end of above-mentioned detection switch S connects lithium battery,
Its other end connects the power input of delay chip MCU, and the output end of above-mentioned delay chip MCU connects above-mentioned battery management system
System；Above-mentioned battery management system control connection first switch Q1 and second switch Q2, above-mentioned battery management system is according to delay core
The control signal control first switch Q1 and second switch Q2 conducting or shutdown of piece MCU output.
Specifically, above-mentioned first switch Q1 or/and second switch Q2 is power switch tube, in the present embodiment technical solution,
First switch Q1 and second switch Q2 is it is preferable to use NMOS tube, respectively the first NMOS tube and the second NMOS tube, and above-mentioned first
The source electrode of NMOS tube connects time delay resistance NTC, drain electrode connection controlled device, and grid connects battery management system；Above-mentioned
Two NMOS tubes can design one or two or concatenated multiple concatenated as needed, when designing one, play switch
Effect；Design concatenated two or it is concatenated it is multiple be equally that play on-off action, but play is that cascade switch is made
With, two or more concatenated NMOS tubes, only all NMOS tubes in the case where all turning on entire link can just be connected,
And one in the middle disconnects then entire link and disconnects, and can be improved second switch Q2's by designing multiple concatenated NMOS tubes
Control precision.
When second NMOS tube is one, drain electrode connection battery, source electrode connects controlled device, and grid connects cell tube
Reason system；When second NMOS tube is two, the grid of two the second NMOS tubes is all connected with battery management system, two the 2nd NMOS
The source electrode of pipe connects, and the drain electrode of one of them the second NMOS tube connects battery, the drain electrode connection of another the second NMOS tube by
Control device.
As another embodiment of the present invention, above-mentioned first switch and the second switch is also an option that PMOS tube, same energy
Enough it is controlled by battery management system and plays on-off action.
Be connected with boostrap circuit between above-mentioned detection switch S and delay chip MCU, above-mentioned boostrap circuit include capacitor C and
Whole one end ground connection after diode Z, above-mentioned capacitor C and diode Z are in parallel, other end connection are connected on detection switch S and prolong
When chip MCU power input between.After detection switch S1 closure, delay chip MCU, capacitor C and diode Z and group are activated
At boostrap circuit lock delay chip MCU.Boostrap circuit makes only when battery pack is in running order, can just give MCU
Power supply, to reduce the quiescent dissipation of battery pack.
Protection circuit is connected between above-mentioned detection switch S and delay chip MCU, above-mentioned protection circuit includes protective resistance
R and protection diode D, the entirety after both above-mentioned protective resistance R and protection diode D connect are connected on detection switch S and prolong
When chip MCU power input between.Protective resistance R plays the role of partial pressure, and protection diode D plays anti-reverse electric current and makees
With protective resistance R and protection diode D protect the safe operation after delay chip MCU triggering.
The delay startup circuit of preferred embodiment above controls the process of electric bicycle controller clean boot such as
Under：
1., lithium battery is in original state (when the charge and discharge electrical interface of battery does not access), first switch Q1 and second switch
Q2 is turned off, and battery can not externally discharge.
2., after the access of the charge and discharge electrical interface of lithium battery, detection switch S1 closure, lithium battery is that delay chip prolongs for electrical activation
When chip MCU, while passing through boostrap circuit and locking delay chip MCU, the output end of delay chip MCU controls power-supply management system
PO is triggered first, so that first switch Q1 is connected, lithium battery passes through this loop start control of time delay resistance RTC and first switch Q1
Device processed, circuit enter delayed startup state.
3., according to controller inner parameter, set 200ms for the turn-on time of first switch, after 200ms, conducting
Second switch Q2, turns off first switch Q1, and circuit enters normal operating conditions.
4., after circuit enters normal operating conditions, delay chip MCU enters Low-power-consumptiodormancy dormancy state.
5., detection switch S disconnect after, circuit returns to original state.
The lithium battery group designed above has following technical advantage：
1, trigger signal is generated using charge and discharge port access detection switch and the method powered for delay chip MCU solves
High power consumption brought by dedicated accessory power supply is needed in the common battery management system BMS design with MCU, high-cost is asked
Topic.
2, it generates trigger signal using charge and discharge port access detection switch and is solved for the method for MCU power supply and how to control
The wake-up and suspend mode problem of MCU processed.
3, discharge circuit is divided into high current major loop and low current starting-up later time two parts, solves existing conventional design
In 2 problems：
1., the access of charge and discharge power port when arcing, before access system, the output of lithium battery is in close state, and is thoroughly prevented
Phenomenon of arc discharge.
2., controller triggering overcurrent protection is easy when powering on, which improves in the case where not improving over-current protection point
The fault-tolerant ability of overcurrent protection, so that battery management system BMS Protection parameters more safe and reasonable, extends making for battery
With the service life, and it is effectively protected the safety of user.
4, using negative temperature coefficient resister current limliting：By the physical characteristic of negative temperature coefficient resister itself, realize reliable
Time and current control function, road or program when not needing be additional dedicated.It is high-power with being used used in conventional design
Fixed resistance is compared, also the small, rapid heat dissipation with space, equal clear superiorities low in energy consumption.
5, all low current components of delay startup circuit, circuit is simple, and environment-adapting ability is strong, and serious forgiveness height is greatly
Improve the reliability of system.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in the present invention
Protection scope within.Protection scope of the present invention is subject to claims.
Claims (10)
1. a kind of lithium battery group, for powering to controlled device comprising lithium battery and battery management system, it is characterised in that：
The battery pack further includes detection switch and delay startup circuit；The detection switch is mounted on the charge and discharge electrical interface of lithium battery
Interior, whether the charge and discharge electrical interface for detecting the lithium battery accesses；The delay startup circuit is connected to controlled device and lithium
Between battery；
The delay startup circuit includes first switch, second switch, time delay resistance and starting control unit, the time delay resistance
For negative temperature coefficient resister；It is whole after the first switch and time delay resistance series connection, the first switch and time delay resistance series connection
Body formation start unit in parallel with second switch, the start unit are connected between controlled device and lithium battery；
The starting control unit is electrically connected first switch and the second switch, and the starting control unit receives the inspection of detection switch
Signal is surveyed, and exports control signal, the first switch and the second switch is according to the control signal conduction or shutdown；
When starting the controlled device, conducting first switch, shutdown second switch；
After the controlled device starting, shutdown first switch, conducting second switch.
2. lithium battery group as described in claim 1, it is characterised in that：The starting control unit includes delay chip, described
One end of detection switch connects lithium battery, and the other end connects the power input of delay chip, the output of the delay chip
End connects the battery management system；The battery management system control connection first switch and the second switch, the cell tube
The control first switch and the second switch conducting of control signal or shutdown that reason system is exported according to delay chip.
3. lithium battery group as claimed in claim 2, it is characterised in that：It is connected between the detection switch and delay chip certainly
Circuit is lifted, the boostrap circuit includes capacitor (C) and diode (Z), and whole one after the capacitor and diodes in parallel terminates
Ground, other end connection are connected between detection switch and the power input of delay chip.
4. lithium battery group as claimed in claim 2, it is characterised in that：Guarantor is connected between the detection switch and delay chip
Protection circuit, the protection circuit include protective resistance and protection diode, the series connection of both the protective resistance and protection diode
Entirety afterwards is connected between detection switch and the power input of delay chip.
5. lithium battery group as described in claim 1, it is characterised in that：The second switch has at least two be sequentially connected in series
A, each second switch is all in accordance with the control signal conduction or closing.
6. lithium battery group as described in claim 1, it is characterised in that：The first switch or/and second switch are opened for power
Guan Guan.
7. lithium battery group as claimed in claim 6, it is characterised in that：The first switch and the second switch is NMOS tube,
Respectively the first NMOS tube and the second NMOS tube.
8. lithium battery group as claimed in claim 7, it is characterised in that：The source electrode of first NMOS tube connects time delay resistance,
Its connection controlled device that drains, grid connect battery management system.
9. lithium battery group as claimed in claim 7, it is characterised in that：There are two the second NMOS tube tools, and two second
The grid of NMOS tube is all connected with battery management system, and the source electrode of two the second NMOS tubes connects, one of them the second NMOS tube
Drain electrode connection battery, the drain electrode of another the second NMOS tube connect controlled device.
10. lithium battery group as claimed in claim 6, it is characterised in that：The first switch or/and second switch are PMOS
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810846182.2A CN108832696A (en) | 2018-07-27 | 2018-07-27 | Lithium battery group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810846182.2A CN108832696A (en) | 2018-07-27 | 2018-07-27 | Lithium battery group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108832696A true CN108832696A (en) | 2018-11-16 |
Family
ID=64152042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810846182.2A Pending CN108832696A (en) | 2018-07-27 | 2018-07-27 | Lithium battery group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108832696A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581934A (en) * | 2018-12-24 | 2019-04-05 | 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 and its control method |
| CN111224437A (en) * | 2018-11-24 | 2020-06-02 | 深圳市三奇科技有限公司 | Battery control panel working method, battery control panel and unmanned aerial vehicle |
| CN113206536A (en) * | 2021-07-05 | 2021-08-03 | 苏州贝克微电子有限公司 | A charger |
| CN113489125A (en) * | 2021-07-09 | 2021-10-08 | 骆驼集团武汉光谷研发中心有限公司 | Power control and output circuit of photovoltaic energy storage battery system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090296298A1 (en) * | 2005-01-31 | 2009-12-03 | Deepakraj Malhar Divan | Active Current Surge Limiters |
| CN203339998U (en) * | 2013-07-19 | 2013-12-11 | 深圳市康美特科技有限公司 | Compressor soft start controller and compressor |
| CN204408192U (en) * | 2014-12-04 | 2015-06-17 | 洛阳市黄河软轴控制器股份有限公司 | A kind of switch power voltage-stabilizing circuit |
| US20160226107A1 (en) * | 2014-08-26 | 2016-08-04 | Elite Power Innovations, Llc | Method and system for battery management |
| CN205523742U (en) * | 2016-02-03 | 2016-08-31 | 惠州市蓝微新源技术有限公司 | Electric automobile soft start circuit system based on negative temperature coefficient thermistor |
| CN107370132A (en) * | 2017-08-14 | 2017-11-21 | 苏州市博得立电源科技有限公司 | Electric bicycle motor delaying time of controller start-up circuit based on temperature negative-feedback |
| CN108173266A (en) * | 2018-01-25 | 2018-06-15 | 北京航天发射技术研究所 | A kind of DC uninterrupted electric power system and method for supplying power to |
-
2018
- 2018-07-27 CN CN201810846182.2A patent/CN108832696A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090296298A1 (en) * | 2005-01-31 | 2009-12-03 | Deepakraj Malhar Divan | Active Current Surge Limiters |
| CN203339998U (en) * | 2013-07-19 | 2013-12-11 | 深圳市康美特科技有限公司 | Compressor soft start controller and compressor |
| US20160226107A1 (en) * | 2014-08-26 | 2016-08-04 | Elite Power Innovations, Llc | Method and system for battery management |
| CN204408192U (en) * | 2014-12-04 | 2015-06-17 | 洛阳市黄河软轴控制器股份有限公司 | A kind of switch power voltage-stabilizing circuit |
| CN205523742U (en) * | 2016-02-03 | 2016-08-31 | 惠州市蓝微新源技术有限公司 | Electric automobile soft start circuit system based on negative temperature coefficient thermistor |
| CN107370132A (en) * | 2017-08-14 | 2017-11-21 | 苏州市博得立电源科技有限公司 | Electric bicycle motor delaying time of controller start-up circuit based on temperature negative-feedback |
| CN108173266A (en) * | 2018-01-25 | 2018-06-15 | 北京航天发射技术研究所 | A kind of DC uninterrupted electric power system and method for supplying power to |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111224437A (en) * | 2018-11-24 | 2020-06-02 | 深圳市三奇科技有限公司 | Battery control panel working method, battery control panel and unmanned aerial vehicle |
| CN109581934A (en) * | 2018-12-24 | 2019-04-05 | 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 and its control method |
| CN113206536A (en) * | 2021-07-05 | 2021-08-03 | 苏州贝克微电子有限公司 | A charger |
| CN113206536B (en) * | 2021-07-05 | 2021-09-10 | 苏州贝克微电子有限公司 | Charging circuit capable of realizing short-circuit protection and automatic restart |
| CN113489125A (en) * | 2021-07-09 | 2021-10-08 | 骆驼集团武汉光谷研发中心有限公司 | Power control and output circuit of photovoltaic energy storage battery system |
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