CN109149700A - Charge control method and system - Google Patents
Charge control method and system Download PDFInfo
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- CN109149700A CN109149700A CN201811080413.XA CN201811080413A CN109149700A CN 109149700 A CN109149700 A CN 109149700A CN 201811080413 A CN201811080413 A CN 201811080413A CN 109149700 A CN109149700 A CN 109149700A
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- charge
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 230000008054 signal transmission Effects 0.000 claims description 47
- 230000005611 electricity Effects 0.000 claims description 29
- 230000005856 abnormality Effects 0.000 description 17
- 239000004065 semiconductor Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000011897 real-time detection Methods 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- H02J7/0086—
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- Power Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention proposes a kind of charge control method and system, which includes: the voltage for detecting single battery in battery pack；When voltage reaches preset first voltage threshold value, charging of the charge control module closing to battery pack in battery pack is controlled；When voltage reaches preset second voltage threshold value, the charging of electrical appliance or charger closing to battery pack is controlled, second voltage threshold value is equal to or more than first voltage threshold value.Charge control method and system of the invention, pass through battery pack, the control charged to battery pack can be achieved in electrical appliance or charger, when to the electric voltage exception of single battery in battery pack and the failure of the battery management system in battery pack, also it can control electrical appliance or charger stop charging to battery pack, it is ensured that the safety of charging process.
Description
Technical field
The present invention relates to technical field of electric device control more particularly to a kind of charge control method and systems.
Background technique
The charging time and cruise duration of dust catcher are the essential conditions that user selects charger, and lithium ion battery is due to it
The features such as cycle life of high-energy density and overlength, it is widely used in dust catcher.
In the related technology, the charging system of dust catcher is usually the higher power supply adaptor of output voltage, is in addition matched
Unify the battery management system (Battery Management System, abbreviation BMS) in a battery pack, by BMS to dust suction
The charging of device is controlled, and still, when BMS is because of the reasons failure such as wiring board exception, is easy to appear and is overcharged phenomenon, lead to dust suction
There are security risks in device charging process.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, the first purpose of this invention is to propose a kind of charge control method, when single battery in battery pack
When voltage reaches first voltage threshold value, charging of the charge control module closing to battery pack in battery pack is controlled, battery pack is worked as
When the voltage of interior single battery reaches second voltage threshold value, the charging of electrical appliance or charger closing to battery pack is controlled, is passed through
The control charged to battery pack can be achieved in battery pack, electrical appliance or charger, thus in battery pack single battery voltage
When battery management system in exception and battery pack fails, it also can control electrical appliance or charger stop charging to battery pack, it can
Guarantee the safety of charging process.
Second object of the present invention is to propose a kind of charge control system.
Third object of the present invention is to propose another charge control system.
Fourth object of the present invention is to propose another charge control system.
In order to achieve the above object, first aspect present invention embodiment proposes a kind of charge control method, comprising:
Detect the voltage of single battery in battery pack；
When the voltage reaches preset first voltage threshold value, the charge control module controlled in the battery pack is closed
Charging to the battery pack；
When the voltage reaches preset second voltage threshold value, controls electrical appliance or charger is closed to the battery pack
Charging, the second voltage threshold value be equal to or more than the first voltage threshold value.
The charge control method proposed according to embodiments of the present invention, firstly, detecting the voltage of single battery in battery pack, so
Afterwards, when voltage reaches preset first voltage threshold value, battery pack is filled in the charge control module closing controlled in battery pack
Electricity；When voltage reaches preset second voltage threshold value, the charging of electrical appliance or charger closing to battery pack, the second electricity are controlled
Threshold value is pressed to be equal to or more than first voltage threshold value.By battery pack, electrical appliance or charger can be achieved to charge to battery pack
Control, thus in battery pack the electric voltage exception of single battery and in battery pack battery management system failure when, can also control
Electrical appliance or charger processed stop charging to battery pack, it is ensured that the safety of charging process.
In order to achieve the above object, second aspect of the present invention embodiment proposes a kind of charge control system, comprising:
Battery pack, for detecting the voltage of single battery in the battery pack, and by the voltage input to electrical appliance, with
And when the voltage reaches preset first voltage threshold value, the charge control module controlled in the battery pack is closed to described
The charging of battery pack；
The electrical appliance is closed for when the voltage reaches preset second voltage threshold value, controlling the electrical appliance
Charging to the battery pack, the second voltage threshold value are equal to or more than the first voltage threshold value.
The charge control system proposed according to embodiments of the present invention, firstly, the voltage of single battery in battery pack is detected, and
By voltage input to electrical appliance, then, when voltage reaches preset first voltage threshold value, the charge control in battery pack is controlled
Module closes the charging to battery pack；When voltage reaches preset second voltage threshold value, control electrical appliance is closed to battery pack
Charging, second voltage threshold value be equal to or more than first voltage threshold value.By battery pack, electrical appliance be can be achieved to battery pack
The control of charging, thus in battery pack the electric voltage exception of single battery and in battery pack battery management system failure when,
It can control electrical appliance or charger stop charging to battery pack, it is ensured that the safety of charging process.
According to one embodiment of present invention, the battery pack includes: battery modules, the battery modules include it is multiple according to
The secondary concatenated single battery；First signal transmission module；First charge control module；First battery management module, and it is each
The single battery connection is transmitted for detecting the voltage of the single battery, and by the voltage by first signal
Module is input to the electrical appliance, and when the voltage reaches the first voltage threshold value, controls the first charging control
Molding block closes the charging to the battery pack.
According to one embodiment of present invention, the electrical appliance includes: second signal transfer module；Second charge control mould
Block；First micro-control unit, for receiving the voltage by the second signal transfer module, and when the voltage reaches institute
When stating second voltage threshold value, charging of the second charge control module closing to the battery pack is controlled.
In order to achieve the above object, third aspect present invention embodiment proposes another charge control system, comprising:
Battery pack, for detecting the voltage of single battery in the battery pack, and when the voltage reaches preset first
When voltage threshold, charging of the charge control module closing to the battery pack in the battery pack is controlled, when the voltage reaches
When to preset second voltage threshold value, charge closing control signal is input to electrical appliance, the second voltage threshold value be equal to or
Person is greater than the first voltage threshold value；
The electrical appliance, for controlling the electrical appliance and closing to institute after receiving the charge closing control signal
State the charging of battery pack.
The charge control system proposed according to embodiments of the present invention, firstly, the voltage of single battery in battery pack is detected, and
When voltage reaches preset first voltage threshold value, charging of the charge control module closing to battery pack in battery pack is controlled,
When voltage reaches preset second voltage threshold value, charge closing control signal is input to electrical appliance, second voltage threshold value etc.
In or greater than first voltage threshold value；Electrical appliance after receiving charge closing control signal, close to battery by control electrical appliance
The charging of packet.By battery pack, the control charged to battery pack is can be achieved in electrical appliance, thus the single battery in battery pack
When battery management system in electric voltage exception and battery pack fails, it also can control electrical appliance or battery pack filled in charger stopping
Electricity, it is ensured that the safety of charging process.
According to one embodiment of present invention, the battery pack includes: battery modules, the battery modules include it is multiple according to
The secondary concatenated single battery；Third signal transmission module；Third charge control module；Second battery management module, and it is each
The single battery connection, for detecting the voltage of the single battery, and when the voltage reaches the first voltage threshold value
When, control charging of the third charge control module closing to the battery pack；Third battery management module, with each list
Batteries connection, for detecting the voltage of the single battery, and when the voltage reaches the second voltage threshold value, by institute
It states charge closing control signal and the electrical appliance is input to by the third signal transmission module.
According to one embodiment of present invention, the electrical appliance includes: fourth signal transfer module；4th charge control mould
Block；Second micro-control unit controls signal for receiving institute's charge closing by the fourth signal transfer module, and is receiving
After controlling signal to the charge closing, charging of the 4th charge control module closing to the battery pack is controlled.
In order to achieve the above object, fourth aspect present invention embodiment proposes another charge control system, comprising:
Battery pack, for detecting the voltage of single battery in the battery pack, and when the voltage reaches preset first
When voltage threshold, charging of the charge control module closing to the battery pack in the battery pack is controlled, when the voltage reaches
When to preset second voltage threshold value, charge closing control signal is input to electrical appliance, the second voltage threshold value be equal to or
Person is greater than the first voltage threshold value；
The electrical appliance is inputted for receiving the charge closing control signal, and by charge closing control signal
To charger；
The charger, for controlling the charger and closing to institute after receiving the charge closing control signal
State the charging of battery pack.
The charge control system proposed according to embodiments of the present invention, firstly, the voltage of single battery in battery pack is detected, and
When voltage reaches preset first voltage threshold value, charging of the charge control module closing to battery pack in battery pack is controlled,
When voltage reaches preset second voltage threshold value, charge closing control signal is input to electrical appliance, second voltage threshold value etc.
In or greater than first voltage threshold value；Electrical appliance receives charge closing and controls signal, and charge closing control signal is input to
Charger；For charger after receiving charge closing control signal, control charger closes the charging to battery pack.Pass through battery
The control charged to battery pack can be achieved in packet, charger, thus in battery pack single battery electric voltage exception and battery pack
When interior battery management system fails, it also can control electrical appliance or charger stop charging to battery pack, it is ensured that charging process
Safety.
According to one embodiment of present invention, the battery pack includes: battery modules, the battery modules include it is multiple according to
The secondary concatenated single battery；5th signal transmission module；5th charge control module；4th battery management module, and it is each
The single battery connection, for detecting the voltage of the single battery, and when the voltage reaches the first voltage threshold value
When, control charging of the 5th charge control module closing to the battery pack；5th battery management module, with each list
Batteries connection, for detecting the voltage of the single battery, and when the voltage reaches the second voltage threshold value, by institute
It states charge closing control signal and the electrical appliance is input to by the 5th signal transmission module.
According to one embodiment of present invention, the electrical appliance includes: the 6th signal transmission module；7th signal transmits mould
Block；Third micro-control unit controls signal for receiving the charge closing by the 6th signal transmission module, and is connecing
After receiving the charge closing control signal, the charge closing is controlled into signal and is inputted by the 7th signal transmission module
To the charger.
According to one embodiment of present invention, the charger includes: the 8th signal transmission module；6th charge control mould
Block；4th micro-control unit controls signal for receiving the charge closing by the 8th signal transmission module, and is connecing
After receiving the charge closing control signal, charging of the 6th charge control module closing to the battery pack is controlled.
Detailed description of the invention
Fig. 1 is the flow chart of charge control method according to an embodiment of the invention；
Fig. 2 is the structure chart of charge control system according to an embodiment of the invention；
Fig. 3 is the concrete structure diagram of the charge control system of embodiment illustrated in fig. 2；
Fig. 4 is the concrete structure diagram of the charge control system of embodiment illustrated in fig. 2；
Fig. 5 is the structure chart of charge control system in accordance with another embodiment of the present invention；
Fig. 6 is the concrete structure diagram of the charge control system of embodiment illustrated in fig. 5.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The charge control method and system of the embodiment of the present invention described with reference to the accompanying drawing.
Fig. 1 is the flow chart of charge control method according to an embodiment of the invention, as shown in Figure 1, the charge control
Method includes:
S101 detects the voltage of single battery in battery pack.
In the embodiment of the present invention, single battery in the battery management module real-time detection battery pack in battery pack can be passed through
Voltage.
S102 controls the charge control module closing pair in battery pack when voltage reaches preset first voltage threshold value
The charging of battery pack.
In the embodiment of the present invention, first voltage threshold value can be preset, first voltage threshold value is concretely single in battery pack
The critical value of batteries electric voltage exception then may be used when single battery voltage is equal to or more than first voltage threshold value in battery pack
Judge that single battery voltage is in abnormality in battery pack, after S101 step detects single battery voltage in battery pack,
Single battery voltage is compared with first voltage threshold value, when single battery voltage reaches preset first voltage threshold value,
It then can determine whether that single battery voltage is in abnormality in battery pack, the charge control module controlled in battery pack is closed to battery
The charging of packet guarantees the safety of charging process.As a kind of feasible embodiment, the charge and discharge in charge control module can control
Electric metal-Oxidc-Semiconductor transistor (Metal-Oxide-SemiconductorTransistor, abbreviation metal-oxide-semiconductor) is cut
Only, to close the charging to battery pack.
S103 controls electrical appliance or charger is closed to battery pack when voltage reaches preset second voltage threshold value
Charging, second voltage threshold value are equal to or more than first voltage threshold value.
In the embodiment of the present invention, second voltage threshold value can be preset, second voltage threshold value is concretely single in battery pack
The critical value of batteries electric voltage exception then may be used when single battery voltage is equal to or more than second voltage threshold value in battery pack
Judge that single battery voltage is in abnormality in battery pack, after S101 step detects single battery voltage in battery pack,
Single battery voltage is compared with second voltage threshold value, when single battery voltage reaches preset second voltage threshold value,
It then can determine whether that single battery voltage is in abnormality in battery pack, control electrical appliance or battery pack is filled in charger closing
Electricity guarantees the safety of charging process, wherein second voltage threshold value is greater than first voltage threshold value, electrical appliance concretely dust catcher
Deng.As a kind of feasible embodiment, the charge and discharge metal-oxide-semiconductor cut-off in electrical appliance or charger can control, to close to electricity
The charging of Chi Bao.
The charge control method proposed according to embodiments of the present invention, firstly, detecting the voltage of single battery in battery pack, so
Afterwards, when voltage reaches preset first voltage threshold value, battery pack is filled in the charge control module closing controlled in battery pack
Electricity；When voltage reaches preset second voltage threshold value, the charging of electrical appliance or charger closing to battery pack, the second electricity are controlled
Threshold value is pressed to be equal to or more than first voltage threshold value.By battery pack, electrical appliance or charger can be achieved to charge to battery pack
Control, thus in battery pack the electric voltage exception of single battery and in battery pack battery management system failure when, can also control
Electrical appliance or charger processed stop charging to battery pack, it is ensured that the safety of charging process.
Fig. 2 is the structure chart of charge control system according to an embodiment of the invention, as shown in Fig. 2, the charge control
System includes: battery pack 10 and electrical appliance 11.As the first embodiments possible, in which:
Battery pack 10 for detecting the voltage of single battery in battery pack, and by voltage input to electrical appliance 11, and is worked as
When voltage reaches preset first voltage threshold value, the charge control module controlled in battery pack 10 closes filling to battery pack 10
Electricity；
Electrical appliance 11, for when voltage reaches preset second voltage threshold value, control electrical appliance 11 to be closed to battery pack
10 charging, second voltage threshold value are equal to or more than first voltage threshold value.
In the embodiment of the present invention, first voltage threshold value and second voltage threshold value, first voltage threshold value and can be preset
Two voltage thresholds concretely in battery pack 10 single battery electric voltage exception critical value, when single battery voltage in battery pack 10
When equal to or more than first voltage threshold value or second voltage threshold value, then it can determine whether that single battery voltage is in different in battery pack 10
Normal state, wherein second voltage threshold value is equal to or more than first voltage threshold value.Pass through the battery management module in battery pack 10
The voltage of single battery in battery pack 10 is detected, and by voltage input to electrical appliance 11.It, can as a kind of feasible embodiment
Attachable signal transmitting terminal is set in battery pack 10 and electrical appliance 11 respectively, and battery pack 10 can transmit terminal by signal
By voltage input to electrical appliance 11.Battery pack 10 is by voltage and first voltage threshold value comparison, when voltage reaches preset first electricity
When pressing threshold value, then it can determine whether that single battery voltage is in abnormality in battery pack 10, controls the charge control in battery pack 10
Module closes the charging to battery pack 10, as a kind of feasible embodiment, can control the charge control mould in battery pack 10
Charge and discharge metal-oxide-semiconductor cut-off in block guarantees the safety of charging process to close the charging to battery pack 10；Electrical appliance 11 will connect
The voltage and second voltage threshold value comparison received then can determine whether battery pack 10 when voltage reaches preset second voltage threshold value
Interior single battery voltage is in abnormality, and control electrical appliance 11 closes the charging to battery pack 10, as a kind of feasible reality
Mode is applied, can control the charge and discharge metal-oxide-semiconductor cut-off in electrical appliance 11 can be in battery pack 10 to close the charging to battery pack 10
In charge control system failure when, still be able to guarantee charging process safety.
The charge control system proposed according to embodiments of the present invention, firstly, the voltage of single battery in battery pack is detected, and
By voltage input to electrical appliance, then, when voltage reaches preset first voltage threshold value, the charge control in battery pack is controlled
Module closes the charging to battery pack；When voltage reaches preset second voltage threshold value, control electrical appliance is closed to battery pack
Charging, second voltage threshold value be equal to or more than first voltage threshold value.By battery pack, electrical appliance be can be achieved to battery pack
The control of charging, thus in battery pack the electric voltage exception of single battery and in battery pack battery management system failure when,
It can control electrical appliance or charger stop charging to battery pack, it is ensured that the safety of charging process.
Fig. 3 is the concrete structure diagram of the charge control system of embodiment illustrated in fig. 2, as shown in figure 3, implementation shown in Fig. 2
On the basis of example, in the charge control system, battery pack 10 includes:
Battery modules 12, battery modules 12 include multiple single batteries being sequentially connected in series；
First signal transmission module 13；
First charge control module 15；
First battery management module 14, connect with each single battery, leads to for detecting the voltage of single battery, and by voltage
It crosses the first signal transmission module 13 and is input to electrical appliance 11, and when voltage reaches first voltage threshold value, the first charging of control
Control module 15 closes the charging to battery pack 10.
Electrical appliance 11 includes:
Second signal transfer module 16；
Second charge control module 18；
First micro-control unit 17, for receiving voltage by second signal transfer module 16, and when voltage reaches second
When voltage threshold, the second charge control module 18 of control closes the charging to battery pack 10.
In the embodiment of the present invention, first voltage threshold value and second voltage threshold value, first voltage threshold value and second are preset
Voltage threshold concretely in battery modules 12 single battery electric voltage exception critical value, when single battery electricity in battery modules 12
When pressure is equal to or more than first voltage threshold value or second voltage threshold value, then it can determine whether in battery modules 12 at single battery voltage
In abnormality.First battery management module 14 is connected with battery modules 12, detects battery by the first battery management module 14
The voltage of single battery in mould group 12, as a kind of feasible embodiment, the first battery management module 14 specifically may include as
Battery management integrated circuit (Integrated Circuit, abbreviation IC) shown in Fig. 3 can detect battery by battery management IC
The voltage of single battery in mould group 12.After the first battery management module 14 detects the voltage of single battery, voltage is passed through
First signal transmission module 13 is input to electrical appliance 11, the second signal transfer module 16 that can be specifically input in electrical appliance 11,
As a kind of feasible embodiment, the first signal transmission module 13, second signal transfer module 16 can for as shown in Figure 3
The signal of connection transmits terminal, the voltage input that battery pack 10 will test by signal transmitting terminal to electrical appliance 11, meanwhile,
First battery management module 14 then can determine whether voltage and first voltage threshold value comparison when voltage reaches first voltage threshold value
Single battery voltage is in abnormality in battery modules 12, and battery pack is filled in control the first charge control module 15 closing
Electricity can control the charge and discharge metal-oxide-semiconductor cut-off in the first charge control module 15, as a kind of feasible embodiment to close
Charging to battery pack 10 guarantees charging process safety.Second signal transfer module 16 receives battery pack 10 in electrical appliance 11
After the voltage of input, by voltage input to the first micro-control unit 17, the first micro-control unit 17 is by voltage value and second voltage
Threshold value comparison then can determine whether that single battery voltage is in abnormal shape in battery modules 12 when voltage reaches second voltage threshold value
State, the second charge control module 18 of control close charging to battery pack 10, as a kind of feasible embodiment, can control the
Charge and discharge metal-oxide-semiconductor cut-off in two charge control modules 18 can filling in battery pack 10 to close the charging to battery pack 10
When electric control system fails, it still is able to guarantee the safety of charging process.
The charge control system proposed according to embodiments of the present invention, firstly, the voltage of single battery in battery pack is detected, and
By voltage input to electrical appliance, then, when voltage reaches preset first voltage threshold value, the charge control in battery pack is controlled
Module closes the charging to battery pack；When voltage reaches preset second voltage threshold value, control electrical appliance is closed to battery pack
Charging, second voltage threshold value be equal to or more than first voltage threshold value.By battery pack, electrical appliance be can be achieved to battery pack
The control of charging, thus in battery pack the electric voltage exception of single battery and in battery pack battery management system failure when,
It can control electrical appliance or charger stop charging to battery pack, it is ensured that the safety of charging process.
The charge control system of the embodiment of the present invention is as shown in Figure 2, comprising: battery pack 10 and electrical appliance 11.As second
Kind embodiments possible, in which:
Battery pack 10, for detecting the voltage of single battery in battery pack 10, and when voltage reaches preset first voltage
When threshold value, charging of the charge control module closing to battery pack 10 in battery pack 10 is controlled, when voltage reaches preset second
When voltage threshold, charge closing control signal is input to electrical appliance 11, second voltage threshold value is equal to or more than first voltage
Threshold value；
Electrical appliance 11, for after receiving charge closing control signal, control electrical appliance 11 to be closed to battery pack 10
Charging.
In the embodiment of the present invention, first voltage threshold value and second voltage threshold value, first voltage threshold value and can be preset
Two voltage thresholds concretely in battery pack 10 single battery electric voltage exception critical value, when single battery voltage in battery pack 10
When equal to or more than first voltage threshold value or second voltage threshold value, then it can determine whether that single battery voltage is in different in battery pack 10
Normal state, wherein second voltage threshold value is equal to or more than first voltage threshold value.Pass through the battery management module in battery pack 10
The voltage of single battery in battery pack is detected, voltage and first voltage threshold value, second voltage threshold value comparison are worked as electricity by battery pack 10
When pressure reaches preset first voltage threshold value, then it can determine whether that single battery voltage is in abnormality, control electricity in battery pack 10
Charge control module in pond packet 10 closes the charging to battery pack 10, as a kind of feasible embodiment, can control battery
Charge and discharge metal-oxide-semiconductor cut-off in charge control module in packet 10 guarantees charging process to close the charging to battery pack 10
Safety；When voltage reaches preset second voltage threshold value, then it can determine whether that single battery voltage is in abnormal shape in battery pack 10
State, battery pack 10 generate charge closing and control signal, and are input to electrical appliance 11, as a kind of feasible embodiment,
Attachable signal transmitting terminal can be set in battery pack 10 and electrical appliance 11 respectively, and battery pack 10 can transmit end by signal
Charge closing control signal is input to electrical appliance 11 by son.After electrical appliance 11 receives charge closing control signal, electricity consumption is controlled
Device 11 closes the charging to battery pack, as a kind of feasible embodiment, the charge and discharge metal-oxide-semiconductor in electrical appliance 11 can control to cut
Only, it to close the charging to battery pack 10, can still be able to guarantee charging when the charge control system in battery pack 10 fails
The safety of process.
The charge control system proposed according to embodiments of the present invention, firstly, detecting the voltage of single battery in battery pack, so
Afterwards, when voltage reaches preset first voltage threshold value, battery pack is filled in the charge control module closing controlled in battery pack
Electricity；When voltage reaches preset second voltage threshold value, input charge closing controls signal to electrical appliance, controls electrical appliance and closes
Charging to battery pack, second voltage threshold value are equal to or more than first voltage threshold value.By battery pack, electrical appliance be can be achieved
Control to battery pack charging, thus the electric voltage exception of single battery and the battery management system mistake in battery pack in battery pack
When effect, it also can control electrical appliance or charger stop charging to battery pack, it is ensured that the safety of charging process.
Fig. 5 is the concrete structure diagram of the charge control system of embodiment illustrated in fig. 2, as shown in figure 5, implementation shown in Fig. 2
On the basis of example, in the charge control system, battery pack 10 includes:
Battery modules 12, battery modules 12 include multiple single batteries being sequentially connected in series；
Third signal transmission module 23；
Third charge control module 26；
Second battery management module 25, connect with each single battery, for detecting the voltage of single battery, and when voltage reaches
When to first voltage threshold value, control third charge control module 26 closes the charging to battery pack 10；
Third battery management module 24 is connect with each single battery, for detecting the voltage of single battery, and when voltage reaches
When to second voltage threshold value, charge closing control signal is input to electrical appliance 11 by third signal transmission module 23.
Electrical appliance 11 includes:
Fourth signal transfer module 27；
4th charge control module 29；
Second micro-control unit 28 controls signal for receiving institute's charge closing by fourth signal transfer module 27, and
After receiving charge closing control signal, the 4th charge control module 29 of control closes the charging to battery pack 10.
In the embodiment of the present invention, first voltage threshold value and second voltage threshold value, first voltage threshold value and second are preset
Voltage threshold concretely in battery modules 12 single battery electric voltage exception critical value, when single battery electricity in battery modules 12
When pressure is equal to or more than first voltage threshold value or second voltage threshold value, then it can determine whether in battery modules 12 at single battery voltage
In abnormality.Second battery management module 25, third battery management module 24 are connected with battery modules 12, pass through the second battery
Management module 25, third battery management module 24 detect the voltage of single battery in battery modules 12, as a kind of feasible reality
Mode is applied, the second battery management module 25, third battery management module 24 specifically may include battery management IC as shown in Figure 4,
The voltage of single battery in battery modules 12 can be detected by battery management IC.The electricity that second battery management module 25 will test
Pressure and first voltage threshold value comparison then can determine whether single battery electricity in battery modules 12 when voltage reaches first voltage threshold value
Pressure is in abnormality, and control third charge control module 26 closes the charging to battery pack 10, as a kind of feasible implementation
Mode can control the charge and discharge metal-oxide-semiconductor cut-off in third charge control module 26 to guarantee to close the charging to battery pack 10
Charging process safety.Voltage that third battery management module 24 will test and second voltage threshold value comparison, when voltage reaches the
It when two voltage thresholds, then can determine whether that single battery voltage is in abnormality in battery modules 12, generate charge closing control letter
Number, charge closing control signal is input to electrical appliance 11 by third signal transmission module 23, can specifically be input to electrical appliance
Fourth signal transfer module 27 in 11, as a kind of feasible embodiment, third signal transmission module 23, fourth signal is passed
Terminal can be transmitted for attachable signal as shown in Figure 4 by passing module 27, and battery pack 10 transmits terminal by signal and fills closing
Electric control signal is input to electrical appliance 11, and fourth signal transfer module 27 receives the closing of the input of battery pack 10 in electrical appliance 11
After charging control signal, charge closing control signal is input to the second micro-control unit 28, the control of the second micro-control unit 28
4th charge control module 29 closes the charging to battery pack 10, as a kind of feasible embodiment, can control the 4th charging
Charge and discharge metal-oxide-semiconductor cut-off in control module 29 can be in the charge control in battery pack 10 to close the charging to battery pack 10
When thrashing, it still is able to guarantee the safety of charging process.
The charge control system proposed according to embodiments of the present invention, firstly, detecting the voltage of single battery in battery pack, so
Afterwards, when voltage reaches preset first voltage threshold value, battery pack is filled in the charge control module closing controlled in battery pack
Electricity；When voltage reaches preset second voltage threshold value, input charge closing controls signal to electrical appliance, controls electrical appliance and closes
Charging to battery pack, second voltage threshold value are equal to or more than first voltage threshold value.By battery pack, electrical appliance be can be achieved
Control to battery pack charging, thus the electric voltage exception of single battery and the battery management system mistake in battery pack in battery pack
When effect, it also can control electrical appliance or charger stop charging to battery pack, it is ensured that the safety of charging process.
Fig. 5 is the structure chart of charge control system in accordance with another embodiment of the present invention, as shown in figure 5, the charging control
System processed includes:
Battery pack 10, for detecting the voltage of single battery in battery pack 10, and when voltage reaches preset first voltage
When threshold value, charging of the charge control module closing to battery pack in battery pack 10 is controlled, when voltage reaches preset second electricity
When pressing threshold value, charge closing control signal is input to electrical appliance 11, second voltage threshold value is equal to or more than first voltage threshold
Value；
Electrical appliance 11 is input to charger 32 for receiving charge closing control signal, and by charge closing control signal；
Charger 32, for after receiving charge closing control signal, control charger 32 to be closed to battery pack 10
Charging.
In the embodiment of the present invention, first voltage threshold value can be preset, second voltage threshold value, first voltage threshold value, second
Voltage threshold concretely in battery pack 10 single battery electric voltage exception critical value, when single battery voltage etc. in battery pack 10
When first voltage threshold value or second voltage threshold value, then it can determine whether that single battery voltage is in abnormal in battery pack 10
State, wherein second voltage threshold value is equal to or more than first voltage threshold value.It is examined by the battery management module in battery pack 10
The voltage of single battery in battery pack is surveyed, voltage and first voltage threshold value, second voltage threshold value comparison are worked as voltage by battery pack 10
When reaching preset first voltage threshold value, then it can determine whether that single battery voltage is in abnormality in battery pack 10, controls battery
Charge control module in packet 10 closes the charging to battery pack 10, as a kind of feasible embodiment, can control charging control
Charge and discharge metal-oxide-semiconductor cut-off in molding block guarantees the safety of charging process to close the charging to battery pack 10；When voltage reaches
When to preset second voltage threshold value, then it can determine whether that single battery voltage is in abnormality in battery pack 10, battery pack 10 is raw
Signal is controlled at charge closing, and is input to electrical appliance 11, it, can be respectively in battery pack as a kind of feasible embodiment
10 and electrical appliance 11 on attachable signal transmitting terminal is set, battery pack 10 can transmit terminal for charge closing control by signal
Signal processed is input to electrical appliance 11.After electrical appliance 11 receives charge closing control signal, and it is input to charger 32, made
For a kind of feasible embodiment, attachable signal transmitting terminal can be set on electrical appliance 11 and charger 32 respectively, used
Electric appliance 11 can be transmitted terminal by signal and charge closing control signal is input to charger 32, and control charger 32 is closed to electricity
The charging of Chi Bao can control the charge and discharge metal-oxide-semiconductor cut-off in charger 32, as a kind of feasible embodiment with closing pair
The charging of battery pack 10 can still be able to guarantee the safety of charging process when the charge control system in battery pack 10 fails.
The charge control system proposed according to embodiments of the present invention, firstly, detecting the voltage of single battery in battery pack, so
Afterwards, when voltage reaches preset first voltage threshold value, battery pack is filled in the charge control module closing controlled in battery pack
Electricity；When voltage reaches preset second voltage threshold value, for input charge closing control signal to electrical appliance, electrical appliance receives pass
Charging control signal is closed, charger is input to, control charger closes the charging to battery pack, and second voltage threshold value is equal to
Or it is greater than first voltage threshold value.By battery pack, the control charged to battery pack is can be achieved in charger, thus in battery pack
When the electric voltage exception of interior single battery and battery management system failure in battery pack, it also can control electrical appliance or charger and stop
It charges to battery pack, it is ensured that the safety of charging process.
Fig. 6 is the concrete structure diagram of the charge control system of Fig. 5 embodiment, as shown in fig. 6, in the charge control system,
Battery pack 10 includes:
Battery modules 12, battery modules 12 include multiple single batteries being sequentially connected in series；
5th signal transmission module 33；
5th charge control module 36；
4th battery management module 35 is connect with each single battery, for detecting the voltage of single battery, and when voltage reaches
When to first voltage threshold value, the 5th charge control module 36 of control closes the charging to battery pack；
5th battery management module 34 is connect with each single battery, for detecting the voltage of single battery, and when voltage reaches
When to second voltage threshold value, charge closing control signal is input to electrical appliance 11 by the 5th signal transmission module 33.
Electrical appliance 11 includes:
6th signal transmission module 37；
7th signal transmission module 39；
Third micro-control unit 38 is used for through the 6th signal transmission module 37 reception charge closing control signal, and
After receiving charge closing control signal, charge closing control signal is input to charger by the 7th signal transmission module 39
32。
Charger 32 includes:
8th signal transmission module 40；
6th charge control module 42；
4th micro-control unit 41 is used for through the 8th signal transmission module 40 reception charge closing control signal, and
After receiving charge closing control signal, the 6th charge control module 42 of control closes the charging to battery pack.
In the embodiment of the present invention, first voltage threshold value and second voltage threshold value, first voltage threshold value and second are preset
Voltage threshold concretely in battery modules 12 single battery electric voltage exception critical value, when single battery electricity in battery modules 12
When pressure is equal to or more than first voltage threshold value or second voltage threshold value, then it can determine whether in battery modules 12 at single battery voltage
In abnormality.4th battery management module 35, the 5th battery management module 34 are connected with battery modules 12, pass through the 4th battery
The voltage of single battery in management module 35, the 5th battery management module 34 detection battery modules 12, as a kind of feasible reality
Mode is applied, the 4th battery management module 35, the 5th battery management module 34 specifically may include battery management IC as shown in FIG. 6,
The voltage of single battery in battery modules 12 can be detected by battery management IC.The electricity that 4th battery management module 35 will test
Pressure and first voltage threshold value comparison then can determine whether single battery electricity in battery modules 12 when voltage reaches first voltage threshold value
Pressure is in abnormality, and the 5th charge control module 36 of control closes the charging to battery pack 10, as a kind of feasible implementation
Mode can control the charge and discharge metal-oxide-semiconductor cut-off in the 5th charge control module 36 to guarantee to close the charging to battery pack 10
Charging process safety.Voltage that 5th battery management module 34 will test and second voltage threshold value comparison, when voltage reaches the
It when two voltage thresholds, then can determine whether that single battery voltage is in abnormality in battery modules 12, generate charge closing control letter
Number, charge closing control signal is input to electrical appliance 11 by the 5th signal transmission module 33, can specifically be input to electrical appliance
The 6th signal transmission module 37 in 11, as a kind of feasible embodiment, the 5th signal transmission module 33, the 6th signal is passed
Terminal can be transmitted for attachable signal as shown in FIG. 6 by passing module 37, and battery pack 10 transmits terminal by signal and fills closing
Electric control signal is input to electrical appliance 11, and the 6th signal transmission module 37 receives the closing of the input of battery pack 10 in electrical appliance 11
After charging control signal, charge closing control signal is input to third micro-control unit 38, third micro-control unit 38 will close
It closes charging control signal and charger 32 is input to by the 7th signal transmission module 39, can specifically be input in charger 32 the
Eight signal transmission modules 40, as a kind of feasible embodiment, the 7th signal transmission module 39, the 8th signal transmission module 40
Terminal can be transmitted for attachable signal as shown in FIG. 6, electrical appliance 11 is transmitted terminal and controlled charge closing by signal to be believed
Number it is input to charger 32, the 8th signal transmission module 40 receives the charge closing control of the input of electrical appliance 11 in charger 32
After signal, charge closing control signal is input to the 4th micro-control unit 41, the 6th charging of the 4th micro-control unit 41 control
Control module 42 closes the charging to battery pack 10, as a kind of feasible embodiment, can control the 6th charge control module
Charge and discharge metal-oxide-semiconductor cut-off in 42 can be failed with closing the charging to battery pack 10 in the charge control system in battery pack 10
When, it still is able to guarantee the safety of charging process.
The charge control system proposed according to embodiments of the present invention, firstly, detecting the voltage of single battery in battery pack, so
Afterwards, when voltage reaches preset first voltage threshold value, battery pack is filled in the charge control module closing controlled in battery pack
Electricity；When voltage reaches preset second voltage threshold value, for input charge closing control signal to electrical appliance, electrical appliance receives pass
Charging control signal is closed, charger is input to, control charger closes the charging to battery pack, and second voltage threshold value is equal to
Or it is greater than first voltage threshold value.By battery pack, the control charged to battery pack is can be achieved in charger, thus in battery pack
When the electric voltage exception of interior single battery and battery management system failure in battery pack, it also can control electrical appliance or charger and stop
It charges to battery pack, it is ensured that the safety of charging process.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
It can be combined in any suitable manner in a or multiple embodiment or examples.In addition, without conflicting with each other, the technology of this field
The feature of different embodiments or examples described in this specification and different embodiments or examples can be combined by personnel
And combination.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (11)
1. a kind of charge control method characterized by comprising
Detect the voltage of single battery in battery pack；
When the voltage reaches preset first voltage threshold value, the charge control module controlled in the battery pack is closed to institute
State the charging of battery pack；
When the voltage reaches preset second voltage threshold value, controls electrical appliance or the battery pack is filled in charger closing
Electricity, the second voltage threshold value are equal to or more than the first voltage threshold value.
2. a kind of charge control system characterized by comprising
Battery pack for detecting the voltage of single battery in the battery pack, and by the voltage input to electrical appliance, and is worked as
When the voltage reaches preset first voltage threshold value, the charge control module controlled in the battery pack is closed to the battery
The charging of packet；
The electrical appliance is closed for when the voltage reaches preset second voltage threshold value, controlling the electrical appliance to institute
The charging of battery pack is stated, the second voltage threshold value is equal to or more than the first voltage threshold value.
3. charge control system according to claim 2, which is characterized in that the battery pack includes:
Battery modules, the battery modules include multiple single batteries being sequentially connected in series；
First signal transmission module；
First charge control module；
First battery management module is connect with each single battery, for detecting the voltage of the single battery, and will be described
Voltage is input to the electrical appliance by first signal transmission module, and when the voltage reaches the first voltage threshold
When value, charging of the first charge control module closing to the battery pack is controlled.
4. charge control system according to claim 2, which is characterized in that the electrical appliance includes:
Second signal transfer module；
Second charge control module；
First micro-control unit, for receiving the voltage by the second signal transfer module, and when the voltage reaches
When the second voltage threshold value, charging of the second charge control module closing to the battery pack is controlled.
5. a kind of charge control system characterized by comprising
Battery pack, for detecting the voltage of single battery in the battery pack, and when the voltage reaches preset first voltage
When threshold value, charging of the charge control module closing to the battery pack in the battery pack is controlled, when the voltage reaches pre-
If second voltage threshold value when, charge closing control signal is input to electrical appliance, the second voltage threshold value is equal to or greatly
In the first voltage threshold value；
The electrical appliance, for controlling the electrical appliance and closing to the electricity after receiving the charge closing control signal
The charging of Chi Bao.
6. charge control system according to claim 5, which is characterized in that the battery pack includes:
Battery modules, the battery modules include multiple single batteries being sequentially connected in series；
Third signal transmission module；
Third charge control module；
Second battery management module is connect with each single battery, for detecting the voltage of the single battery, and when described
When voltage reaches the first voltage threshold value, charging of the third charge control module closing to the battery pack is controlled；
Third battery management module is connect with each single battery, for detecting the voltage of the single battery, and when described
When voltage reaches the second voltage threshold value, charge closing control signal is inputted by the third signal transmission module
To the electrical appliance.
7. charge control system according to claim 5, which is characterized in that the electrical appliance includes:
Fourth signal transfer module；
4th charge control module；
Second micro-control unit controls signal for receiving institute's charge closing by the fourth signal transfer module, and is connecing
After receiving the charge closing control signal, charging of the 4th charge control module closing to the battery pack is controlled.
8. a kind of charge control system characterized by comprising
Battery pack, for detecting the voltage of single battery in the battery pack, and when the voltage reaches preset first voltage
When threshold value, charging of the charge control module closing to the battery pack in the battery pack is controlled, when the voltage reaches pre-
If second voltage threshold value when, charge closing control signal is input to electrical appliance, the second voltage threshold value is equal to or greatly
In the first voltage threshold value；
The electrical appliance for receiving the charge closing control signal, and charge closing control signal is input to and is filled
Electric appliance；
The charger, for controlling the charger and closing to the electricity after receiving the charge closing control signal
The charging of Chi Bao.
9. charge control system according to claim 8, which is characterized in that the battery pack includes:
Battery modules, the battery modules include multiple single batteries being sequentially connected in series；
5th signal transmission module；
5th charge control module；
4th battery management module is connect with each single battery, for detecting the voltage of the single battery, and when described
When voltage reaches the first voltage threshold value, charging of the 5th charge control module closing to the battery pack is controlled；
5th battery management module is connect with each single battery, for detecting the voltage of the single battery, and when described
When voltage reaches the second voltage threshold value, the charge closing is controlled into signal and is inputted by the 5th signal transmission module
To the electrical appliance.
10. charge control system according to claim 8, which is characterized in that the electrical appliance includes:
6th signal transmission module；
7th signal transmission module；
Third micro-control unit is used for through the 6th signal transmission module reception charge closing control signal, and
It is after receiving the charge closing control signal, charge closing control signal is defeated by the 7th signal transmission module
Enter to the charger.
11. charge control system according to claim 8, which is characterized in that the charger includes:
8th signal transmission module；
6th charge control module；
4th micro-control unit is used for through the 8th signal transmission module reception charge closing control signal, and
After receiving the charge closing control signal, charging of the 6th charge control module closing to the battery pack is controlled.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080413.XA CN109149700A (en) | 2018-09-17 | 2018-09-17 | Charge control method and system |
| PCT/CN2019/098234 WO2020024913A1 (en) | 2018-08-01 | 2019-07-29 | Battery assembly, vacuum cleaner, and charging control method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080413.XA CN109149700A (en) | 2018-09-17 | 2018-09-17 | Charge control method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109149700A true CN109149700A (en) | 2019-01-04 |
Family
ID=64814394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811080413.XA Pending CN109149700A (en) | 2018-08-01 | 2018-09-17 | Charge control method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109149700A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020024913A1 (en) * | 2018-08-01 | 2020-02-06 | 江苏美的清洁电器股份有限公司 | Battery assembly, vacuum cleaner, and charging control method and system |
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| JP2010200485A (en) * | 2009-02-25 | 2010-09-09 | Sanyo Electric Co Ltd | Protection system for battery pack |
| CN204243735U (en) * | 2014-11-14 | 2015-04-01 | 浙江超威创元实业有限公司 | A kind of lithium battery management system for electric car |
| CN107565624A (en) * | 2017-08-21 | 2018-01-09 | 深圳市沃特玛电池有限公司 | A kind of duplicate protection system of battery pack |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010200485A (en) * | 2009-02-25 | 2010-09-09 | Sanyo Electric Co Ltd | Protection system for battery pack |
| CN204243735U (en) * | 2014-11-14 | 2015-04-01 | 浙江超威创元实业有限公司 | A kind of lithium battery management system for electric car |
| CN107565624A (en) * | 2017-08-21 | 2018-01-09 | 深圳市沃特玛电池有限公司 | A kind of duplicate protection system of battery pack |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020024913A1 (en) * | 2018-08-01 | 2020-02-06 | 江苏美的清洁电器股份有限公司 | Battery assembly, vacuum cleaner, and charging control method and system |
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Application publication date: 20190104 |