CN109085511A - A kind of lithium battery packet management system - Google Patents
A kind of lithium battery packet management system Download PDFInfo
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- CN109085511A CN109085511A CN201811066060.8A CN201811066060A CN109085511A CN 109085511 A CN109085511 A CN 109085511A CN 201811066060 A CN201811066060 A CN 201811066060A CN 109085511 A CN109085511 A CN 109085511A
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- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a kind of lithium battery packet management systems; it is related to a kind of power supply; the operation exception for solving electric device is influenced brought by lithium battery packet; and staff cannot pay close attention to the problem of lithium battery in real time, and its key points of the technical solution are that: including main control module, temperature detecting module, tripping protection module, analog output module, warning module, alarm module；Temperature reference signal is preset in main control module, main control module is in continuously acquiring temperature detection signal in the unit time, when temperature detection signal at least there are two when, analog output module activate simultaneously next coordinate points i.e. analog output signal is drawn up by Function Modules according to the temperature detection signal currently obtained.A kind of lithium battery packet management system of the invention, is detected by the temperature to lithium battery packet, to improve the safety in utilization of lithium battery packet, improves the service life of cell apparatus.
Description
Technical field
The present invention relates to a kind of power supply, in particular to a kind of lithium battery packet management system.
Background technique
It by lithium metal or lithium alloy is negative electrode material, using the battery of non-aqueous electrolytic solution that lithium battery, which is a kind of,.
Lithium battery during use, may be reused, and after the electric energy use in lithium battery, can pass through
External power supply charges to lithium battery, to make to restore electric energy in lithium battery, compared with traditional dry cell, uses
It is more convenient.
Lithium battery packet is usually applied to small-sized electric device, and the power supply as electric device uses, lithium electricity
Pond battery pack when in use, since people only focus on the operating status of electric device, to the pass of lithium battery packet
Infuse less, the operation exception of many electric devices is to influence brought by lithium battery packet, and staff cannot be real-time
Lithium battery packet is paid close attention to, therefore there is room for improvement.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of lithium battery packet management system,
It is detected by the temperature to lithium battery packet, to improve the safety in utilization of lithium battery packet, improves electricity
The service life of pool device.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of lithium battery packet management system, comprising:
Main control module is set to lithium battery and wraps and be used to acquire data and carry out the storage and processing of data；
Temperature detecting module is set to lithium battery and wraps and be used to acquire the temperature of current lithium battery packet and export temperature
Degree detection signal is to be uploaded to main control module；
Tripping protection module connect with main control module and is used to cut off the current supply circuit of lithium battery packet；
Analog output module is connect and for passing through at least two temperature detection signals and exporting simulation output letter with main control module
Number；
Warning module is connect and for early warning with main control module；
Alarm module is connect and for alerting with main control module；
Temperature reference signal corresponding with maximum temperature is preset in the main control module, the main control module is in the unit time
Inside continuously acquire temperature detection signal, when temperature detection signal at least there are two when, analog output module activation and basis
The temperature detection signal currently obtained draws up next coordinate points i.e. analog output signal by Function Modules；
When temperature detection signal is greater than temperature reference signal, the alarm module is to realize alarm, the tripping protection module
Cut off current supply circuit；Conversely, not alerting, do not cut off；
When analog output signal is greater than temperature reference signal, the warning module is to realize early warning；Conversely, not early warning.
Using the above scheme, it is detected by the temperature to lithium battery packet, to understand lithium battery in real time
The operating temperature of packet, and the setting of tripping protection module, for cutting off the current supply circuit of lithium battery packet, to improve lithium
Next temperature detection signal is simulated in the safety that battery packet uses, and the setting of analog output module, thus
Cooperate the setting of warning module and alarm module, so that warning in advance is carried out to signal, it is practical.
Preferably, further including the data match module being connect with main control module；
The main control module in lithium battery undertake to perform work within a time limit and according to specifications as when start collect temperature detection signal, do not work in lithium battery packet
When generating function image and for storing；
When lithium battery packet in use, the data match module activates and transfers functional image from main control module, work as life
When the temperature detection signal of Cheng Xin, calibration is compared with the functional image generated automatically for updating main control module.
Using the above scheme, the setting of data match module makes temperature detection signal after generating function image, Ke Yitong
It crosses and is compared with the functional image generated, to be updated to functional image, by way of contrast, improve temperature
The accuracy of degree detection signal.
Preferably, further include:
Voltage detection module connect with main control module and is used to carry out the voltage of each section lithium battery in lithium battery packet
Detect simultaneously voltage sense signal；
Current detection module connect with main control module and is used to carry out the electric current of each section lithium battery in lithium battery packet
Detect simultaneously output electric current measure signal；
Failure indication module connect with main control module and is used to indicate each section lithium battery in lithium battery packet；
Current reference signal corresponding with current work section, opposite with voltage power supply section is preset in the main control module
The voltage reference signal answered；
When voltage detection signal is fallen into the range intervals of voltage reference signal, or when current detection signal falls into current reference
When in the range intervals of signal, the failure indication module is not indicated；When voltage detection signal does not fall within voltage reference letter
Number range intervals in when, or when current detection signal is not fallen in the range intervals of current reference signal, the failure
Indicating module is indicated at the lithium battery of failure.
Using the above scheme, the setting of voltage detection module cooperates the use of current detection module, makes lithium battery packet
Voltage monitored with electric current, and voltage and electric current individually detect each section lithium battery, so that failure be cooperated to refer to
Show the setting of module, clearly arriving that specific batteries there is a problem, improve the efficiency of maintenance.
Preferably, further including being connect with main control module and for being shown to the capacity of current lithium battery packet
Capacity display module；
The capacity display module includes:
Calibration unit is powered on, the SOC value of SOC value and the open-circuit voltage calibration when powering on initial is read and compares two groups of SOC values
Obtain benchmark SOC value；
Electricity computing unit is obtained benchmark COS value and is calculated the SOC value of lithium battery packet using Current integrating method dynamic；
Current SOC value is stored for powering on when the lower electricity with reference to transferring by data storage element next time；
Charging check and correction unit, proofreads the capacity of lithium battery packet；
Data display unit, for being shown to current capacities；
When lithium battery packet connects charger, the charging check and correction unit starts to proofread；When SOC value be 0 when, then start into
The calibration of row active volume, and battery pack is recorded from 0 whole electricity until charge cutoff, what as battery pack was current can
With capacity, and stored；When charging is without when just interrupting to blanking voltage, then abandoning this active volume label.
Using the above scheme, the setting of capacity display module is displayed for the capacity of current lithium battery packet, from
And the use state and service life of current lithium battery packet are understood in real time, while by data display unit to capacitor
Amount is directly shown, practical.
Preferably, the calibration unit that powers on includes:
Power down storage unit, for storing the SOC value before lithium battery packet power down；
Open-circuit voltage acquisition unit does linear difference calculating for obtaining the minimum battery voltage value in lithium battery packet and tabling look-up
Obtain SOC value corresponding with open-circuit voltage；
Benchmark SOC value acquisition unit obtains two SOC values from power down storage unit and open-circuit voltage acquisition unit and chooses one of them
SOC value is as benchmark SOC value；
Definition: the SOC value that power down storage unit obtains is A, and the SOC value that open-circuit voltage acquisition unit obtains is B；
The benchmark SOC value acquisition unit obtains A and B, as ABS(A-B) > 5 when, then benchmark SOC value is B；Conversely, benchmark SOC value
For A；I.e. when difference is greater than 5%, then benchmark SOC value is B, conversely, benchmark SOC value is A.
Using the above scheme, by powering on the setting of calibration unit, state when wrapping electricity to lithium battery is examined
It surveys, while obtaining benchmark SOC value, by the comparison to two different SOC values, to obtain suitable SOC value, practicability
By force.
Preferably, further including being connect with main control module and for being examined to the remaining capacity of current lithium battery packet
Survey and export the electric power detection module of residual capacity measurement signal；
The main control module receives residual capacity measurement signal and is shown in the way of percentage.
Using the above scheme, by the setting of circuit detection module, it family can be used can understand and be being currently used
The electricity consumption situation of lithium battery packet improves understanding of the user to lithium battery packet, to facilitate user to being used
Electric device control.
Preferably, being also preset with benchmark electric quantity signal corresponding with minimum electricity in the main control module；
When residual capacity measurement signal is less than benchmark electric quantity signal, the main control module is to realize alarm；Conversely, not alerting.
Using the above scheme, the setting of benchmark electric quantity signal, state when user being made to recognize low battery, once it is less than base
When quasi- electric quantity signal, alarm will be issued, to prompt user, improves user to the use of current lithium battery packet
The understanding of electric situation, it is practical.
Preferably, further include:
Line module is connect and for carrying out data interaction with main control module；
Log-in module connect with line module and inputs logon information for user to enter main control module；
Remote control module connect with line module and is used to control the opening and closing of lithium battery packet；
Be preset in the main control module and log in data, when log in data it is consistent with logon information when, the remote control module
Activation remotely opens and closes lithium battery packet with realizing；Conversely, not activating.
Using the above scheme, by the setting of line module and remote control module, main control module is allow to pass through user
Module is controlled, to remotely control the opening and closing of lithium battery packet, while being cooperated the setting of log-in module, is improved system
Safety.
Preferably, the log-in module includes:
Account unit inputs account information for user；
Password unit inputs encrypted message for user；
And logging in data includes account data and code data, and when account information is consistent with account data, the password unit
Activation；Conversely, not activating；
When encrypted message is consistent with code data, remote control module is activated；Conversely, not activating.
Using the above scheme, the setting of account unit and password unit further improves the safety of system, only when
When account information in account unit is consistent with account data, password unit could be activated, and improve efficiency when user's input,
Reduce the case where user inputs careless omission by mistake.
Preferably, further including the locating module and line module for connecting and be used to export positioning signal with line module
The cue module of prompt is connected and be used for, is preset with positioning datum signal corresponding with designated position on the main control module；
When line module is when designated position, and positioning signal is consistent with positioning datum signal, the account unit activating, and
The cue module is to realize prompt；Conversely, not activating, do not prompt.
Using the above scheme, the setting of locating module makes line module only at the position where positioning datum signal,
Account unit could be activated, thus safety when improving the control to lithium battery packet, to reduce user
The state that module is misused in other places, the setting of cue module is convenient to find to lithium battery pack, and to current
State is confirmed.
In conclusion the invention has the following advantages:
1, it is detected by the temperature to lithium battery packet, to improve the safety in utilization of lithium battery packet, is mentioned
The high service life of cell apparatus；
2, lithium battery packet is remotely controlled, when use is more convenient；
3, it the remaining capacity to lithium battery packet and is shown using capacity, improves the understanding to lithium battery packet.
Detailed description of the invention
Fig. 1 is the system block diagram of lithium battery packet management system；
Fig. 2 is the system flow chart of temperature detecting module；
Fig. 3 is the system flow chart of analog output module；
Fig. 4 is the system flow chart of data match module；
Fig. 5 is the system flow chart of failure indication module；
Fig. 6 is the system flow chart of capacity display module；
Fig. 7 is the system flow chart of electric power detection module；
Fig. 8 is the connection flow chart for module and main control module.
Appended drawing reference: 1, main control module；2, temperature detecting module；3, tripping protection module；4, analog output module；5, pre-
Alert module；6, alarm module；7, data match module；8, voltage detection module；9, current detection module；10, indicating fault mould
Block；11, calibration unit is powered on；12, electricity computing unit；13, data storage element；14, charging check and correction unit；15, data are aobvious
Show unit；16, power down storage unit；17, open-circuit voltage acquisition unit；18, benchmark SOC value acquisition unit；19, electric power detection module；20,
Line module；21, log-in module；22, remote control module；23, account unit；24, password unit；25, locating module；26,
Capacity display module；27, cue module.
Specific embodiment
Below in conjunction with attached drawing 1-8, invention is further described in detail.
As shown in Figure 1, a kind of lithium battery packet management system, including main control module 1 and line module 20, main control module
1 is microcomputer, or single-chip microcontroller, line module 20 are smart phone, smartwatch, tablet computer.And master control mould
Block 1 and line module 20 establish connection by network, can be 3G/4G, or WIFI network communication.
Main control module 1 is connect with temperature detecting module 2, and temperature detecting module 2 is set to lithium battery and wraps, and temperature
Detection module 2 is used to acquire the temperature physical quantity of current lithium battery packet and is converted to temperature detection signal, temperature detection letter
Main control module 1 number is uploaded to be stored.
Main control module 1 is connect with tripping protection module 3, and tripping protection module 3 is used to cut off the power supply of lithium battery packet
Circuit, for the function of realizing starting and close.Main control module 1 is connect with analog output module 4, analog output module 4
For by least two temperature detection signals and export next simulation temperature detection signal and referred to as simulation output believe
Number.
Main control module 1 is connect with warning module 5 and alarm module 6, and warning module 5 is for sentencing analog output signal
Break and realizes early warning；Alarm module 6 realizes alarm for judging temperature detection signal.Early warning uses light flash
Mode realized, and alert prompted by the way of sound.
Main control module 1 is connect with data match module 7, the temperature detection letter that data match module 7 is used to will test out
Number functional image generated and the temperature detection signal that newly detected are matched and realize amendment.
Main control module 1 is connect with voltage detection module 8, circuit detection module.Voltage detection module 8 is used for lithium battery
The voltage of each section lithium battery in the packet of pond detect and voltage sense signal；Current detection module 9 is used for lithium electricity
The voltage of each section lithium battery in the battery pack of pond detect and output electric current measure signal.
Main control module 1 is connect with failure indication module 10, and failure indication module 10 is used to indicate in lithium battery packet often
The state of one section lithium battery is referred to when the voltage of the section lithium battery or abnormal electric current appearance by the long bright mode of light
Show.
Main control module 1 is connect with electric power detection module 19, and electric power detection module 19 is used for current lithium battery packet
Remaining capacity is detected and exports residual capacity measurement signal.
Main control module 1 is connect with capacity display module 26, and capacity display module 26 includes powering on calibration unit 11, electricity
Computing unit 12, data storage element 13, charging check and correction unit 14, data display unit 15.Powering on calibration unit 11 includes falling
Electric storage unit 16, open-circuit voltage acquisition unit 17, benchmark SOC value acquisition unit 18.
Line module 20 is connect with log-in module 21, and log-in module 21 includes account unit 23, password unit 24.Account list
Member 23 carries out the input of account information for user, and password unit 24 carries out the input of encrypted message for user.
Line module 20 connect connection with remote control module 22, and remote control module 22 is for remotely controlling lithium battery
The opening and closing of Chi Bao.Line module 20 is connect with locating module 25, and locating module 25 is determined in the position where line module 20
Position simultaneously exports positioning signal.
As shown in Fig. 2, temperature detecting module 2 is detected and is exported according to the heat given out in lithium battery packet
Temperature detection signal, and the temperature detection signal exported in temperature detecting module 2 becomes larger with the rising of temperature.
Temperature reference signal corresponding with maximum temperature is preset in main control module 1, when temperature detection signal is greater than temperature
When spending reference signal, alarm module 6 is to realize alarm, and tripping protection module 3 is to cut off the current supply circuit of lithium battery packet；
When temperature detection signal is not more than temperature reference signal, alarm module 6 is not with without alarm, and tripping protection module 3 is cut
The current supply circuit of disconnected lithium battery packet.
As shown in figure 3, the temperature detection signal that temperature detecting module 2 exports, and analog output module 4 receives temperature detection
Signal, and judge whether temperature detection signal at this time is greater than two, when temperature detection signal at least there are two when, simulation output
The activation of module 4 simultaneously draws up next coordinate points i.e. simulation output letter by Function Modules according to the temperature detection signal currently obtained
Number.
When analog output signal is greater than temperature reference signal, warning module 5 is to realize early warning；When analog output signal not
When greater than temperature reference signal, warning module 5 is without early warning.
As shown in figure 4, data match module 7 starts to activate and start to obtain temperature when lithium battery packet is started to work
Signal is detected, generating function image is simultaneously after lithium battery packet stops working for the temperature detection signal of stable detection module output
Storage uploads in main control module 1.
When lithium battery packet in use, data match module 7 activates and transfers functional image from main control module 1, and
Data match module 7 obtains temperature detection signal in real time, when generating new temperature detection signal, automatically with the letter that has generated
Number image compares calibration original function image and for updating main control module 1.
As shown in figure 5,9 output electric current measure signal of current detection module, 8 output voltage of voltage detection module detection letter
Number, and current reference signal corresponding with current work section, corresponding with voltage power supply section is preset in main control module 1
Voltage reference signal.
When voltage detection signal is fallen into the range intervals of voltage reference signal, failure indication module 10 is not indicated；When
When current detection signal is fallen into the range intervals of current reference signal, failure indication module 10 is not also indicated.
When voltage detection signal is not fallen in the range intervals of voltage reference signal, or when current detection signal does not have
When falling into the range intervals of current reference signal, failure indication module 10 is indicated at the lithium battery of failure, as long as having
When voltage or electric current do not meet current reference signal or voltage reference signal, just indicated.
As shown in fig. 6, capacity display module 26 shows the capacity of current lithium battery packet, and obtains and show
The step of pass through power down storage unit 16, open-circuit voltage acquisition unit 17, benchmark SOC value acquisition unit 18, electricity computing unit 12, data
Storage unit, charging check and correction unit 14, data display unit 15 are operated.
Definition: the SOC value that power down storage unit 16 obtains is A, and the SOC value that open-circuit voltage acquisition unit 17 obtains is B.
Power down storage unit 16 reads storage lithium battery when system electrification is initial from band Electrically Erasable Programmable Read-Only Memory
The SOC value being stored in front of battery pack power down.
Open-circuit voltage acquisition unit 17 obtains the pressure value of each section lithium battery in lithium battery packet, and takes out minimum electricity
Cell voltage value simultaneously tables look-up and does linear difference SOC value corresponding with open-circuit voltage is calculated.
Benchmark SOC value acquisition unit 18 two SOC values and is selected from power down storage unit 16 with obtaining in open-circuit voltage acquisition unit 17
Take one of SOC value as benchmark SOC value；Benchmark SOC value acquisition unit 18 obtains A and B, as ABS(A-B) > 5 when, then benchmark
SOC value is B；Conversely, benchmark SOC value is A；I.e. when difference is greater than 5%, then benchmark SOC value is B, conversely, benchmark SOC value is A.
Electricity computing unit 12 is obtained benchmark COS value and is calculated the SOC of lithium battery packet using Current integrating method dynamic
Value.
Current SOC value is stored for powering on when the lower electricity with reference to transferring by data storage element 13 next time.
Charging check and correction unit 14 proofreads the capacity of lithium battery packet, when lithium battery packet connects charger
When, the charging check and correction unit 14 starts to proofread；When SOC value is 0, then start the calibration for carrying out active volume, and record
Battery pack is stored from 0 whole electricity until charge cutoff, the as current active volume of battery pack；When
Charging is without when just interrupting to blanking voltage, then abandoning this active volume label.
Data display unit 15 is for showing current capacities.
As shown in fig. 7, electric power detection module 19 is detected and is exported surplus to the remaining capacity of current lithium battery packet
Remaining electric power detection signal, and benchmark electric quantity signal corresponding with minimum electricity is preset in main control module 1.
When residual capacity measurement signal is less than benchmark electric quantity signal, main control module 1 is to realize alarm；When remaining capacity is examined
When surveying signal not less than benchmark electric quantity signal, main control module 1 is without alarm.
Meanwhile main control module 1 receives the residual capacity measurement signal in electric power detection module 19 and presses in display module
It is shown according to the mode of percentage.
As shown in figure 8, being equipped with locating module 25 on line module 20, locating module 25 is in the position where line module 20
Set sending positioning signal, and be preset with positioning datum signal corresponding with designated position in main control module 1, when positioning signal with
When positioning datum signal is consistent, account unit 23 is activated；When positioning signal and positioning datum signal are inconsistent, account is not activated
Unit 23.And positioning datum signal is the signal of a range, line module 20 is when in prescribed limit, so that it may realize activation
Account information could be input in account unit 23 by account unit 23 only when account unit 23 activates.
Meanwhile when positioning signal is consistent with positioning datum signal, cue module 27 is to realize prompt；When positioning signal with
When positioning datum signal is inconsistent, cue module 27 is without prompt.Cue module 27 can be used to distinguish account unit 23
No activation, while may determine that the placement location of lithium battery pack, facilitate and is found.
It is preset in main control module 1 and logs in data, logging in data includes account data and code data.When account information with
When account data is consistent, password unit 24 is activated；When account information and account data are inconsistent, password unit 24 is not activated.
Only when password unit 24 activates, encrypted message could be input in password unit 24.
When encrypted message is consistent with code data, remote control module 22 is activated, remote control module 22 can when activating
Remotely to be controlled lithium battery packet；When encrypted message and code data are inconsistent, remote control module is not activated
22, it is not possible to which lithium battery packet is remotely controlled.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of lithium battery packet management system, it is characterized in that: including:
Main control module (1) is set to lithium battery and wraps and be used to acquire data and carry out the storage and processing of data；
Temperature detecting module (2) is set to lithium battery and wraps and be used to acquire the temperature of current lithium battery packet and defeated
Temperature detection signal is out to be uploaded to main control module (1)；
Tripping protection module (3) connect with main control module (1) and is used to cut off the current supply circuit of lithium battery packet；
Analog output module (4) is connect and for passing through at least two temperature detection signals and exporting simulation with main control module (1)
Output signal；
Warning module (5) is connect and for early warning with main control module (1)；
Alarm module (6) is connect and for alerting with main control module (1)；
Temperature reference signal corresponding with maximum temperature is preset in the main control module (1), the main control module (1) is in list
Position the time in continuously acquire temperature detection signal, when temperature detection signal at least there are two when, the analog output module (4) swash
It lives and next coordinate points i.e. analog output signal is drawn up by Function Modules according to the temperature detection signal currently obtained；
When temperature detection signal is greater than temperature reference signal, the alarm module (6) is to realize alarm, the tripping protection mould
Block (3) cuts off current supply circuit；Conversely, not alerting, do not cut off；
When analog output signal is greater than temperature reference signal, the warning module (5) is to realize early warning；Conversely, not early warning.
2. a kind of lithium battery packet management system according to claim 1, it is characterized in that: further including and main control module
(1) data match module (7) connected；
The main control module (1) in lithium battery undertake to perform work within a time limit and according to specifications as when start collect temperature detection signal, not in lithium battery packet
Generating function image and for storing when work；
When lithium battery packet in use, the data match module (7) activates and transfers functional arrangement from main control module (1)
Picture compares calibration for updating master control when generating new temperature detection signal with the functional image generated automatically
Module (1).
3. a kind of lithium battery packet management system according to claim 1, it is characterized in that: further include:
Voltage detection module (8) is connect and for the electricity to each section lithium battery in lithium battery packet with main control module (1)
Pressure detect and voltage sense signal；
Current detection module (9) is connect and for the electricity to each section lithium battery in lithium battery packet with main control module (1)
Stream detect and output electric current measure signal；
Failure indication module (10), connect with main control module (1) and for each section lithium battery in lithium battery packet into
Row instruction；
Current reference signal corresponding with current work section and voltage power supply section are preset in the main control module (1)
Corresponding voltage reference signal；
When voltage detection signal is fallen into the range intervals of voltage reference signal, or when current detection signal falls into current reference
When in the range intervals of signal, the failure indication module (10) is not indicated；When voltage detection signal does not fall within voltage base
It is described when in the range intervals of calibration signal, or when current detection signal is not fallen in the range intervals of current reference signal
Failure indication module (10) is indicated at the lithium battery of failure.
4. a kind of lithium battery packet management system according to claim 1, it is characterized in that: further including and main control module
(1) the capacity display module (26) for connecting and being used to show the capacity of current lithium battery packet；
The capacity display module (26) includes:
It powers on calibration unit (11), reads the SOC value of the SOC value and open-circuit voltage calibration when powering on initial and by two groups of SOC values
Comparison obtains benchmark SOC value；
Electricity computing unit (12) is obtained benchmark COS value and is calculated the SOC of lithium battery packet using Current integrating method dynamic
Value；
Current SOC value is stored for powering on when the lower electricity with reference to transferring by data storage element (13) next time；
Charging check and correction unit (14), proofreads the capacity of lithium battery packet；
Data display unit (15), for being shown to current capacities；
When lithium battery packet connects charger, charging check and correction unit (14) starts to proofread；When SOC value is 0, then open
The calibration for the progress active volume that begins, and battery pack is recorded from 0 whole electricity until charge cutoff, as battery pack is current
Active volume, and stored；When charging is without when just interrupting to blanking voltage, then abandoning this active volume mark
Note.
5. a kind of lithium battery packet management system according to claim 4, it is characterized in that: described power on calibration unit
(11) include:
Power down storage unit (16), for storing the SOC value before lithium battery packet power down；
Open-circuit voltage acquisition unit (17) does linear difference for obtaining the minimum battery voltage value in lithium battery packet and tabling look-up
SOC value corresponding with open-circuit voltage is calculated；
Benchmark SOC value acquisition unit (18) obtains two SOC values simultaneously from power down storage unit (16) and open-circuit voltage acquisition unit (17)
One of SOC value is chosen as benchmark SOC value；
Definition: the SOC value that power down storage unit (16) obtains is A, and the SOC value that open-circuit voltage acquisition unit (17) obtains is B；
The benchmark SOC value acquisition unit (18) obtains A and B, as ABS(A-B) > 5 when, then benchmark SOC value is B；Conversely, benchmark
SOC value is A；I.e. when difference is greater than 5%, then benchmark SOC value is B, conversely, benchmark SOC value is A.
6. a kind of lithium battery packet management system according to claim 1, it is characterized in that: further including and main control module
(1) it connects and for being detected to the remaining capacity of current lithium battery packet and exporting the electricity of residual capacity measurement signal
Detection module (19)；
The main control module (1) receives residual capacity measurement signal and is shown in the way of percentage.
7. a kind of lithium battery packet management system according to claim 6, it is characterized in that: in the main control module (1)
Also it is preset with benchmark electric quantity signal corresponding with minimum electricity；
When residual capacity measurement signal is less than benchmark electric quantity signal, the main control module (1) is to realize alarm；Conversely, not accusing
It is alert.
8. a kind of lithium battery packet management system according to claim 1, it is characterized in that: further include:
Line module (20) is connect and for carrying out data interaction with main control module (1)；
Log-in module (21) connect with line module (20) and inputs logon information for user to enter main control module (1)；
Remote control module (22) connect with line module (20) and is used to control the opening and closing of lithium battery packet；
Be preset in the main control module (1) and log in data, when log in data it is consistent with logon information when, the long-range control mould
Block (22) activation remotely opens and closes lithium battery packet with realizing；Conversely, not activating.
9. a kind of lithium battery packet management system according to claim 8, it is characterized in that: the log-in module (21) is wrapped
It includes:
Account unit (23) inputs account information for user；
Password unit (24) inputs encrypted message for user；
And logging in data includes account data and code data, and when account information is consistent with account data, the password unit
(24) it activates；Conversely, not activating；
When encrypted message is consistent with code data, activate remote control module (22)；Conversely, not activating.
10. a kind of lithium battery packet management system according to claim 9, it is characterized in that: further including and line module
(20) connect and be used to export the locating module (25) of positioning signal, connect with line module (20) and be used for the prompt mould of prompt
Block (27) is preset with positioning datum signal corresponding with designated position on the main control module (1)；
When line module (20) is when designated position, and positioning signal is consistent with positioning datum signal, the account unit
(23) it activates, and the cue module (27) is to realize prompt；Conversely, not activating, do not prompt.
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