CN110445222A - A kind of lithium battery group charging-discharging controller - Google Patents
A kind of lithium battery group charging-discharging controller Download PDFInfo
- Publication number
- CN110445222A CN110445222A CN201910797261.3A CN201910797261A CN110445222A CN 110445222 A CN110445222 A CN 110445222A CN 201910797261 A CN201910797261 A CN 201910797261A CN 110445222 A CN110445222 A CN 110445222A
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- Prior art keywords
- lithium battery
- resistance
- battery group
- connection
- chip microcontroller
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- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of lithium battery group charging-discharging controllers, including lithium battery group and controller, lithium battery group includes the concatenated lithium battery of at least two, it further include power supply circuit, power on detection circuit, charge and discharge power detection circuit, charging control circuit, charge/discharge control circuit and load detection circuit for access, the single-chip microcontroller of controller selection model HT66F004, charge and discharge power detection circuit is used to detect the working condition of lithium battery group, charging control circuit is used to control the charged state of lithium battery group, charge/discharge control circuit is used to control the discharge condition of lithium battery group, detection circuit for access is loaded for loading access detection and load current sampling, the present invention carries out real-time monitoring to every piece of lithium battery in lithium battery group charge and discharge process, realize charging/discharging voltage, the accurate monitoring of electric current and temperature, and the shape when lithium battery breaks down At timely and effectively protecting, the level to lithium battery group management and monitoring is improved, forms whole reliable protection.
Description
Technical field
The present invention relates to charging and discharging lithium battery control technology fields, more particularly to a kind of lithium battery group charge and discharge control
Device.
Background technique
In recent years, lithium battery due to its long service life, self discharge effect is small, single battery end voltage is big, energy density
The features such as high and memory-less effect, becomes one of mainstream battery, be widely used.But the shortcomings that lithium battery also has itself, In
It in charge and discharge process, overcharges, over-discharge will lead to battery performance decline, capacity reduces, reduced service life, loop current mistake
It will lead to circuit burnout greatly even to explode.The lithium battery structure of large capacity is complex, and number of batteries is more, increases protection
Difficulty, current lithium battery group protection system is mainly using the battery pack progress Global Macros constituted to multiple batteries, it is difficult to
Single lithium battery is accurately protected.
So the present invention provides the new scheme of one kind to solve the problems, such as this.
Summary of the invention
For above situation, for the defect for overcoming the prior art, purpose of the present invention is to provide a kind of lithium battery groups to fill
Discharge controller.
Its technical solution solved is: a kind of lithium battery group charging-discharging controller, including lithium battery group and controller, described
Lithium battery group includes the concatenated lithium battery of at least two, further includes power supply circuit, power on detection circuit, charge and discharge power detection circuit, fills
Electric control circuit, charge/discharge control circuit and load detection circuit for access, the controller select the monolithic of model HT66F004
Machine；The power on detection circuit is used to detect the working condition of the power supply circuit, and output signal is sent into the single-chip microcontroller
Pin 5；The charge and discharge power detection circuit is used to detect the working condition of the lithium battery group, and detection signal passes through analog switch
Chip is input in the single-chip microcontroller, and the pin 2 of the single-chip microcontroller is used to control the working condition of the charge and discharge power detection circuit；
The charging control circuit is used to control the charged state of the lithium battery group, and control terminal connects the pin 4 of the single-chip microcontroller；
The charge/discharge control circuit is used to control the discharge condition of the lithium battery group, and control terminal connects the pin 3 of the single-chip microcontroller；
The load detection circuit for access is sent into the single-chip microcontroller for loading access detection and load current sampling, and by access signal
Pin 19, current sampling signal is sent into the pin 18 of the single-chip microcontroller.
Further, the power supply circuit includes DC30V power supply, and DC30V power supply and the positive of lithium battery group pass through respectively
Diode D3, D2 connect one end of resistance R55, and the other end of resistance R55 passes sequentially through concatenated resistance R54, R53, R52, R51
Connect capacitor C10 one end and triode Q25 collector, triode Q25 emitter connection capacitor C11 one end and
VCC5V power supply power supply port, the base stage of triode Q25 and the other end of capacitor C110, C11 are grounded.
Further, the power on detection circuit includes triode Q12, and the collector of triode Q12 is connected by resistance R46
Connect the pin 5 of single-chip microcontroller, the emitter ground connection of triode Q12, one end of base stage connection resistance R47, R48 of triode Q12, electricity
The other end ground connection of R47 is hindered, the other end of resistance R48 connects DC30V power supply.
Further, the charge and discharge power detection circuit includes the identical detection branch of multiple structures, the detection branch packet
Metal-oxide-semiconductor Qj is included, the grid of metal-oxide-semiconductor Qj passes through the pin 2 of resistance R13 connection single-chip microcontroller, and the drain electrode of metal-oxide-semiconductor Qj passes through resistance Rn
Connection and the anode for only connecting a mutually different lithium battery, the source electrode of metal-oxide-semiconductor Qj is grounded by resistance Rm, and passes through resistance
One end of Rp connection capacitor Cq and analog switch chip input terminal, the other end ground connection of capacitor Cq.
Further, the quantity of the detection branch is identical as lithium battery quantity.
Further, the analog switch chip selects model CD4051B, CD4051B to be also connected with sampling thermistor
The pin 2 of the pin 2 of NTC, sampling thermistor NTC is also grounded by capacitor C9, and drawing by resistance R35 connection single-chip microcontroller
The pin 1 of foot 13, sampling thermistor NTC connects VCC5V power supply power supply port.
Further, the charging control circuit includes triode Q3, and the base stage of triode Q3 is single by resistance R2 connection
The pin 4 of piece machine, and be grounded by resistance R1, the emitter ground connection of triode Q3, the collector connection resistance R3 of triode Q3,
One end of R5, the other end of resistance R3 connect DC30V power supply, and pass through the drain electrode of diode D4 connection metal-oxide-semiconductor Q4, and resistance R5 connects
Connect the grid of metal-oxide-semiconductor Q4, the anode of the source electrode connection lithium battery group of metal-oxide-semiconductor Q4.
Further, the charge/discharge control circuit includes metal-oxide-semiconductor Q2, and the grid of metal-oxide-semiconductor Q2 passes through resistance R44 connection monolithic
The source electrode of the pin 3 of machine, metal-oxide-semiconductor Q2 is grounded by resistance R49, anode, the capacitor of the drain electrode connection diode D1 of metal-oxide-semiconductor Q2
One end of C15 and the negative output port of lithium battery group, the cathode of diode D1 connect lithium battery group with the other end of capacitor C15
Anode and positive output port.
Further, the load detection circuit for access includes triode Q13, and the base stage of triode Q13 connects resistance
The pin 18 of R50, one end of capacitor C13 and single-chip microcontroller, the source electrode of the other end connection metal-oxide-semiconductor Q2 of resistance R50, triode Q13
Emitter ground connection, the collector of triode Q13 passes through one end of resistance R62 connection capacitor C16 and the pin 19 of single-chip microcontroller.
Further, the single-chip microcontroller is also connected with indicator light circuit, and the indicator light circuit includes red indicating light
LED1, LED3 and green indicator light LED2, LED4, the anode of LED1-LED4 pass through resistance R37-R40 connection single-chip microcontroller respectively
The cathode of cathode 7-10, LED1-LED4 are grounded.
By above technical scheme, the invention has the benefit that the present invention is in lithium battery group charge and discharge process to every
Block lithium battery carries out real-time monitoring, realizes the accurate monitoring of charging/discharging voltage, electric current and temperature, and when lithium battery breaks down
Formation is timely and effectively protected, and the level to lithium battery group management and monitoring is improved, and forms whole reliable protection.
Detailed description of the invention
Fig. 1 is power supply circuit schematic diagram of the present invention.
Fig. 2 is power on detection circuit schematic diagram of the present invention.
Fig. 3 is charge and discharge power detection circuit schematic diagram of the present invention.
Fig. 4 is charging control circuit schematic diagram of the present invention.
Fig. 5 is charge/discharge control circuit of the present invention and load detection circuit for access schematic diagram.
Specific embodiment
For the present invention aforementioned and other technology contents, feature and effect, in following cooperation with reference to figures 1 through attached drawing 5
To in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following embodiment is with specification
Attached drawing is reference.
Each exemplary embodiment of the invention is described below with reference to accompanying drawings.
A kind of lithium battery group charging-discharging controller, including lithium battery group and controller, lithium battery group include at least two series connection
Lithium battery, further include power supply circuit, power on detection circuit, charge and discharge power detection circuit, charging control circuit, charge/discharge control circuit
With load detection circuit for access, controller selects the single-chip microcontroller of model HT66F004.Power on detection circuit is for detecting power supply
The working condition of circuit, output signal are sent into the pin 5 of single-chip microcontroller.Charge and discharge power detection circuit is used to detect the work of lithium battery group
Make state, detection signal is input in single-chip microcontroller by analog switch chip, and the pin 2 of single-chip microcontroller is for controlling charge and discharge electric-examination
The working condition of slowdown monitoring circuit.Charging control circuit is used to control the charged state of lithium battery group, and control terminal connects single-chip microcontroller
Pin 4.Charge/discharge control circuit is used to control the discharge condition of lithium battery group, and control terminal connects the pin 3 of single-chip microcontroller.Load connects
Enter detection circuit and accesses to detect the pin 19 for sampling with load current, and signal feeding single-chip microcontroller being accessed for loading, it will be electric
Flow the pin 18 that sampled signal is sent into single-chip microcontroller.
As shown in Figure 1, power supply circuit includes DC30V power supply, DC30V power supply and the positive of lithium battery group pass through two poles respectively
Pipe D3, D2 connect one end of resistance R55, and the other end of resistance R55 passes sequentially through concatenated resistance R54, R53, R52, R51 connection
One end of capacitor C10 and the collector of triode Q25, one end of the emitter connection capacitor C11 of triode Q25 and VCC5V electricity
Source supply port, the base stage of triode Q25 and the other end of capacitor C110, C11 are grounded.Wherein DC30V power supply and lithium battery group
Parallel connection forms double loop power supply, and being then sent into after electric resistance partial pressure will be electric by the voltage-stablizer that triode Q25 and capacitor C10, C11 are formed
It is that single-chip microcontroller and analog switch chip are powered as VCC5V power supply power supply port after pressure is stablized.
As shown in Fig. 2, power on detection circuit includes triode Q12, the collector of triode Q12 is connected by resistance R46
The pin 5 of single-chip microcontroller, the emitter ground connection of triode Q12, one end of base stage connection resistance R47, R48 of triode Q12, resistance
The other end of R47 is grounded, and the other end of resistance R48 connects DC30V power supply.When connecting DC30V power supply, DC30V power supply passes through
Triode Q12 is connected in resistance R47, R48 partial pressure, and 5 foot voltages of single-chip microcontroller are pulled low, to detect that charge port OUT is connected.
As shown in figure 3, charge and discharge power detection circuit includes the identical detection branch of multiple structures, detection branch includes metal-oxide-semiconductor
Qj, the grid of metal-oxide-semiconductor Qj pass through the pin 2 of resistance R13 connection single-chip microcontroller, the drain electrode of metal-oxide-semiconductor Qj connected by resistance Rn and
The anode of a mutually different lithium battery is only connected, the source electrode of metal-oxide-semiconductor Qj is grounded by resistance Rm, and is connected by resistance Rp
One end of capacitor Cq and analog switch chip input terminal, the other end ground connection of capacitor Cq.Wherein, the quantity of detection branch and lithium electricity
Pond quantity is identical, the use of the new type by 7 concatenated lithium battery groups at lithium battery group J1 for, that is, include lithium battery BT1-
BT7,7 metal-oxide-semiconductor Qj, j ∈ (5,6,7,8,9,10,11)；7 resistance Rn, n ∈ (6,7,8,9,10,11,12)；7 resistance
Rm, m ∈ (14,15,16,17,18,19,20)；7 resistance Rp, p ∈ (22,24,26,28,30,32,34)；7 capacitors Cq, q
∈ (1,2,3,4,5,6,7).
When specifically used, analog switch chip selects model CD4051B, and after charge port OUT is connected, single-chip microcontroller draws
Foot 2, which exports high level, makes 7 metal-oxide-semiconductor Qj conductings, and charge and discharge power detection circuit is started to work.Pass through the every section of sampling resistor cycle detection
Lithium battery voltage, for example, CD4051B detects sampling resistor by pin 1 when detecting the charging/discharging voltage of lithium battery BT1
The partial pressure value of R12, R20 determine the voltage of lithium battery BT1.The pin 12 of CD4051B connects the pin 2 of thermistor NTC, heat
The pin 2 of quick resistance NTC is also grounded by capacitor C9, and passes through the pin 13 of resistance R35 connection single-chip microcontroller, thermistor NTC
Pin 1 connect VCC5V power supply power supply port.CD4051B by voltage of the pin 12 to thermistor NTC carry out sampling to
Detect lithium battery group J1 operating temperature.
As shown in figure 4, charging control circuit includes triode Q3, the base stage of triode Q3 passes through resistance R2 connection single-chip microcontroller
Pin 4, and be grounded by resistance R1, the emitter ground connection of triode Q3, collector connection resistance R3, R5's of triode Q3
One end, the other end of resistance R3 connects DC30V power supply, and passes through the drain electrode of diode D4 connection metal-oxide-semiconductor Q4, resistance R5 connection
The grid of metal-oxide-semiconductor Q4, the anode of the source electrode connection lithium battery group J1 of metal-oxide-semiconductor Q4.When detecting every section lithium battery voltage and temperature
When being in safe range value, the pin 4 of single-chip microcontroller, which exports low level signal, ends triode Q3 base stage power loss, then
Metal-oxide-semiconductor Q4 grid is become conducting from short circuit, and DC30V power supply starts to charge to lithium battery group J1.During the charging process,
Again by the voltage and lithium battery group J1 operating temperature of the every section lithium battery of CD4051B cycle detection, when detect battery be full of or
After battery temperature is excessively high, charge closing.
As shown in figure 5, charge/discharge control circuit includes metal-oxide-semiconductor Q2, the grid of metal-oxide-semiconductor Q2 passes through resistance R44 connection single-chip microcontroller
Pin 3, the source electrode of metal-oxide-semiconductor Q2 is grounded by resistance R49, anode, the capacitor C15 of the drain electrode connection diode D1 of metal-oxide-semiconductor Q2
One end and lithium battery group J1 negative output port, the cathode of diode D1 connect lithium battery group J1 with the other end of capacitor C15
Anode and positive output port.Load detection circuit for access includes triode Q13, the base stage connection resistance R50 of triode Q13,
One end of capacitor C13 and the pin 18 of single-chip microcontroller, the source electrode of the other end connection metal-oxide-semiconductor Q2 of resistance R50, the hair of triode Q13
The collector of emitter grounding, triode Q13 passes through one end of resistance R62 connection capacitor C16 and the pin 19 of single-chip microcontroller.
When lithium battery group J1 discharges, load detection circuit for access can be detected to whether load accesses, and work as lithium battery group
When J1 delivery outlet J1 does not load access, single-chip microcontroller pin 3, which exports high level, makes metal-oxide-semiconductor Q2 grid obtain electric but be not turned on；Work as lithium
When battery pack J1 delivery outlet J1 access load, metal-oxide-semiconductor Q2 drains electric to be connected, and the output voltage of metal-oxide-semiconductor Q2 source electrode makes three
Pole pipe Q13 base stage must conduct, and be pulled low single-chip microcontroller pin 19, detect load access.Meanwhile CD4051B cycle detection
The discharge temp of every section lithium battery voltage and lithium battery group J1, and detection is carried out to which judgement is put to the electric current for flowing into resistance R49
The size of electric current, when a certain item parameter occurs abnormal, the pin 3 of single-chip microcontroller exports low level, closes electric discharge.
Single-chip microcontroller is also connected with indicator light circuit, and indicator light circuit includes red indicating light LED1, LED3 and green instruction
Lamp LED2, LED4, the anode of LED1-LED4 pass through the cathode 7-10, LED1-LED4 of resistance R37-R40 connection single-chip microcontroller respectively
Cathode ground connection.When lithium battery group J1, which is in, to be charged normal, green indicator light LED2 is bright, abnormal when occurring in charging process
When, red indicating light LED1 is bright；When lithium battery group J1 is in regular picture, green indicator light LED4 is bright, when in discharge process
When occurring abnormal, red indicating light LED3 is bright.To play effective charging and discharging state indicative function, it is easy to use personnel's judgement
Lithium battery group J1 state.
In conclusion the present invention carries out real-time monitoring to every piece of lithium battery in lithium battery group charge and discharge process, realization is filled
The accurate monitoring of discharge voltage, electric current and temperature, and formed when lithium battery breaks down and timely and effectively protected, it improves pair
The level of lithium battery group management and monitoring forms whole reliable protection.
The above is that further detailed description of the invention, and it cannot be said that the present invention in conjunction with specific embodiment
Specific implementation is limited only to this；Belonging to the present invention and for those skilled in the technology concerned, it is being based on skill of the present invention
Under the premise of art scheme thinking, it is made expansion and operating method, data replacement, should all fall in the scope of the present invention it
It is interior.
Claims (10)
1. a kind of lithium battery group charging-discharging controller, including lithium battery group and controller, the lithium battery group includes at least two string
The lithium battery of connection, it is characterised in that: further include power supply circuit, power on detection circuit, charge and discharge power detection circuit, charge control electricity
Road, charge/discharge control circuit and load detection circuit for access, the controller select the single-chip microcontroller of model HT66F004；
The power on detection circuit is used to detect the working condition of the power supply circuit, and output signal is sent into the single-chip microcontroller
Pin 5；
The charge and discharge power detection circuit is used to detect the working condition of the lithium battery group, and detection signal passes through analog switch core
Piece is input in the single-chip microcontroller, and the pin 2 of the single-chip microcontroller is used to control the working condition of the charge and discharge power detection circuit；
The charging control circuit is used to control the charged state of the lithium battery group, and control terminal connects drawing for the single-chip microcontroller
Foot 4；
The charge/discharge control circuit is used to control the discharge condition of the lithium battery group, and control terminal connects drawing for the single-chip microcontroller
Foot 3；
The load detection circuit for access is sent into the list for loading access detection and load current sampling, and by access signal
Current sampling signal is sent into the pin 18 of the single-chip microcontroller by the pin 19 of piece machine.
2. lithium battery group charging-discharging controller according to claim 1, it is characterised in that: the power supply circuit includes
The anode of DC30V power supply, DC30V power supply and lithium battery group connects one end of resistance R55, resistance by diode D3, D2 respectively
The other end of R55 passes sequentially through one end of concatenated resistance R54, R53, R52, R51 connection capacitor C10 and the collection of triode Q25
Electrode, triode Q25 emitter connection capacitor C11 one end and VCC5V power supply power supply port, the base stage of triode Q25 with
The other end of capacitor C110, C11 are grounded.
3. lithium battery group charging-discharging controller according to claim 2, it is characterised in that: the power on detection circuit includes
The collector of triode Q12, triode Q12 pass through the pin 5 of resistance R46 connection single-chip microcontroller, and the emitter of triode Q12 connects
Ground, one end of base stage connection resistance R47, R48 of triode Q12, the other end ground connection of resistance R47, the other end of resistance R48 connect
Connect DC30V power supply.
4. lithium battery group charging-discharging controller according to claim 3, it is characterised in that: the charge and discharge power detection circuit packet
The identical detection branch of multiple structures is included, the detection branch includes metal-oxide-semiconductor Qj, and the grid of metal-oxide-semiconductor Qj passes through resistance R13 and connects
The pin 2 of single-chip microcontroller is connect, the drain electrode of metal-oxide-semiconductor Qj is connected by resistance Rn and only connects a mutually different lithium battery just
The source electrode of pole, metal-oxide-semiconductor Qj is grounded by resistance Rm, and passes through one end of resistance Rp connection capacitor Cq and analog switch chip input
End, the other end ground connection of capacitor Cq.
5. lithium battery group charging-discharging controller according to claim 4, it is characterised in that: the quantity of the detection branch with
Lithium battery quantity is identical.
6. lithium battery group charging-discharging controller according to claim 4, it is characterised in that: the analog switch chip is selected
Model CD4051B, CD4051B are also connected with the pin 2 of sampling thermistor NTC, and the pin 2 for sampling thermistor NTC is also logical
Capacitor C9 ground connection is crossed, and passes through the pin 13 of resistance R35 connection single-chip microcontroller, the pin 1 of sampling thermistor NTC connects VCC5V
Power supply power supply port.
7. lithium battery group charging-discharging controller according to claim 4, it is characterised in that: the charging control circuit includes
The base stage of triode Q3, triode Q3 pass through the pin 4 of resistance R2 connection single-chip microcontroller, and are grounded by resistance R1, triode Q3
Emitter ground connection, one end of collector connection resistance R3, R5 of triode Q3, the other end of resistance R3 connects DC30V power supply,
And pass through the drain electrode of diode D4 connection metal-oxide-semiconductor Q4, and the grid of resistance R5 connection metal-oxide-semiconductor Q4, the source electrode connection lithium electricity of metal-oxide-semiconductor Q4
The anode of pond group.
8. lithium battery group charging-discharging controller according to claim 7, it is characterised in that: the charge/discharge control circuit includes
The grid of metal-oxide-semiconductor Q2, metal-oxide-semiconductor Q2 pass through the pin 3 of resistance R44 connection single-chip microcontroller, and the source electrode of metal-oxide-semiconductor Q2 is connect by resistance R49
Ground, anode, one end of capacitor C15 and the negative output port of lithium battery group of the drain electrode connection diode D1 of metal-oxide-semiconductor Q2, diode
The cathode of D1 connect anode and the positive output port of lithium battery group with the other end of capacitor C15.
9. lithium battery group charging-discharging controller according to claim 8, it is characterised in that: the load detection circuit for access
Including triode Q13, base stage connection resistance R50, one end of capacitor C13 and the pin 18 of single-chip microcontroller of triode Q13, resistance
The source electrode of the other end connection metal-oxide-semiconductor Q2 of R50, the emitter ground connection of triode Q13, the collector of triode Q13 pass through resistance
One end of R62 connection capacitor C16 and the pin 19 of single-chip microcontroller.
10. -9 any lithium battery group charging-discharging controller according to claim 1, it is characterised in that: the single-chip microcontroller is also
It is connected with indicator light circuit, the indicator light circuit includes red indicating light LED1, LED3 and green indicator light LED2, LED4,
The anode of LED1-LED4 passes through the cathode ground connection of the cathode 7-10, LED1-LED4 of resistance R37-R40 connection single-chip microcontroller respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910797261.3A CN110445222A (en) | 2019-08-27 | 2019-08-27 | A kind of lithium battery group charging-discharging controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910797261.3A CN110445222A (en) | 2019-08-27 | 2019-08-27 | A kind of lithium battery group charging-discharging controller |
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| CN110445222A true CN110445222A (en) | 2019-11-12 |
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| CN201910797261.3A Pending CN110445222A (en) | 2019-08-27 | 2019-08-27 | A kind of lithium battery group charging-discharging controller |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111555397A (en) * | 2020-05-21 | 2020-08-18 | 广东博力威科技股份有限公司 | Control circuit for turning off discharge output during lithium battery charging |
| CN114617760A (en) * | 2020-12-14 | 2022-06-14 | 傲基科技股份有限公司 | Control system and fascia gun |
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| CN205489708U (en) * | 2016-04-01 | 2016-08-17 | 佛山市顺德区携创电机制造有限公司 | Power supply circuit with input source recognition function |
| CN109586396A (en) * | 2018-11-27 | 2019-04-05 | 武汉瑞纳捷电子技术有限公司 | A kind of power management power supply unit for supporting dual power supply |
| CN209046314U (en) * | 2018-11-26 | 2019-06-28 | 厦门炬研电子科技有限公司 | A kind of 7 section lithium battery pack charge-discharge control circuits |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205489708U (en) * | 2016-04-01 | 2016-08-17 | 佛山市顺德区携创电机制造有限公司 | Power supply circuit with input source recognition function |
| CN209046314U (en) * | 2018-11-26 | 2019-06-28 | 厦门炬研电子科技有限公司 | A kind of 7 section lithium battery pack charge-discharge control circuits |
| CN109586396A (en) * | 2018-11-27 | 2019-04-05 | 武汉瑞纳捷电子技术有限公司 | A kind of power management power supply unit for supporting dual power supply |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111555397A (en) * | 2020-05-21 | 2020-08-18 | 广东博力威科技股份有限公司 | Control circuit for turning off discharge output during lithium battery charging |
| CN111555397B (en) * | 2020-05-21 | 2024-06-04 | 广东博力威科技股份有限公司 | Control circuit for turning off discharge output during charging of lithium battery |
| CN114617760A (en) * | 2020-12-14 | 2022-06-14 | 傲基科技股份有限公司 | Control system and fascia gun |
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Application publication date: 20191112 |