CN108347037A - Battery protecting apparatus - Google Patents
Battery protecting apparatus Download PDFInfo
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- CN108347037A CN108347037A CN201810211437.8A CN201810211437A CN108347037A CN 108347037 A CN108347037 A CN 108347037A CN 201810211437 A CN201810211437 A CN 201810211437A CN 108347037 A CN108347037 A CN 108347037A
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- 238000001514 detection method Methods 0.000 claims abstract description 18
- 238000003491 array Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 17
- 238000004891 communication Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention discloses a kind of battery protecting apparatus, the battery protecting apparatus includes baseband processor, voltage detection unit for the voltage for detecting the battery in battery pack, the temperature detecting unit of the current detecting unit of electric current for detecting battery pack and temperature for detecting the battery in battery pack, baseband processor is by the voltage of battery, electric current and temperature are compared with corresponding threshold value and generate control signal, with the turn-on and turn-off of control switch, realize the acquisition of the security control and user's real time information of battery, without additionally using independent gsm module, to save cost.
Description
It is on November 21st, 2012 that the application, which is the applying date, application No. is 201210475119.5, entitled " battery
The divisional application of the patent of protection system and method ".
Technical field
The present invention relates to cell safety control fields, more particularly to a kind of battery protecting apparatus.
Background technology
Due to higher energy density, application is more and more wider for lithium battery or lithium polymer battery at present, such as is answered extensively
For in electric tool, to power to electric tool.Electric tool includes but not limited to electric vehicle and hybrid-power electric vehicle.With
The continuous expansion of application field and increasing sharply for use groups, user proposes increasingly the function and performance of battery pack
The safety of more requirements, battery is exactly the highly important performance indicator of one of which.
It is a kind of it is existing protection battery method be give battery be added protection board, however protection board generate protection or protection
After plate itself is problematic, user does not know but, thus still can bring safety problem.Another method of existing protection battery
It is to use individual system, such as additionally increases by one piece of independent wireless GSM or 3G module, to realize the protection to battery.However,
Due to needing one piece of independent GSM or 3G module, increase so as to cause cost.
Invention content
The technical problem to be solved in the present invention is to provide a kind of battery protection system and method, is realized with lower cost
The acquisition of the security control and user's real time information of battery.
In order to solve the above technical problems, the present invention provides a kind of battery protection systems.The battery protection system includes electricity
Pond group, the battery protecting apparatus with the switch of battery pack coupling and for controlling the conducting state switched.Battery protecting apparatus packet
Include baseband processor, voltage for detecting the battery in battery pack voltage detection unit, the electric current for detecting battery pack
Current detecting unit and temperature for detecting the battery in battery pack temperature detecting unit.Baseband processor is by battery
Voltage, electric current and temperature control signal is compared and generated with corresponding threshold value, with control switch turn-on and turn-off.
As an improvement of the above technical solution, battery protecting apparatus further includes radio frequency interface, and baseband processor passes through radio frequency
The conducting state of switch, the voltage of battery, electric current and temperature are sent to external system by interface.
Battery protecting apparatus further includes communication interface, and external system is via radio frequency interface, baseband processor and communication interface
Second control signal is sent, is controlled with the charger to charge to the battery pack.
The present invention also provides a kind of battery protecting apparatus comprising baseband processor, voltage for detecting battery
The temperature detection list of voltage detection unit, the current detecting unit of electric current for detecting battery, temperature for detecting battery
Member.Baseband processor be used for according to the voltage, electric current and temperature of battery generate control signal, with control battery charge switch or
The conducting state of discharge switch.
As an improvement of the above technical solution, battery protecting apparatus further includes the radio frequency interface coupled with baseband processor,
Baseband processor is sent out the conducting state of charge switch or discharge switch, the voltage of battery, electric current and temperature by radio frequency interface
Give external system.
The present invention also provides a kind of battery protecting methods, include the following steps：Detect the parameter of the battery in battery pack；
And by baseband processor according to the parameter carry out safe handling, if the value of the parameter in parameter preset threshold range, institute
It states baseband processor and the parameter is sent to background server, if the value of the parameter is in the parameter preset threshold range
Outside, the baseband processor then disconnects charge switch or discharge switch, and sends alarm signal to the background server.
Compared with prior art, battery protection system of the invention and method have at least the following advantages：Utilize a base
Provided with processor realizes the acquisition of the security control and user's real time information of battery, independent wireless without additionally using
GSM or 3G module, to save cost.By network, it the safety such as can be protected, be positioned, being alerted to battery pack in real time
Control, to protect the safety of battery well.When battery pack is installed in electric vehicle, electric vehicle can be prevented stolen, such as
Battery protection system is controlled by mobile phone using network, realizes electric discharge prohibiting function.And occur in battery pack or electric vehicle stolen
Afterwards, can not only notify user in time, the position of battery pack can be also determined by base station location, to find stolen battery pack or
Electric vehicle.
Description of the drawings
Technical scheme of the present invention is described in detail below in conjunction with the drawings and specific embodiments, so that the present invention
Characteristics and advantages become apparent.
Fig. 1 is the structure diagram of battery protection system according to an embodiment of the invention.
Fig. 2 is the schematic diagram of the battery protection system and External system communication in Fig. 1 according to an embodiment of the invention.
Fig. 3 is the control stream that battery protection system according to an embodiment of the invention executes in the first operational mode
Cheng Tu.
Fig. 4 is the control stream that battery protection system according to an embodiment of the invention executes in a second mode of operation
Cheng Tu.
Fig. 5 is the structural schematic diagram of battery protection system in accordance with another embodiment of the present invention.
Fig. 6 is the control that battery protection system in accordance with another embodiment of the present invention executes in a second mode of operation
Flow chart.
Fig. 7 is the flow chart of battery protecting method according to an embodiment of the invention.
Specific implementation mode
Detailed description will be provided to the embodiment of the present invention below.In following detailed description of the present invention, in order to
The one complete understanding for the present invention is provided, a large amount of detail is illustrated.However, those skilled in the art will manage
Solution, without these details, the present invention can equally be implemented.In some other examples, for known scheme,
Flow, element and circuit are not described in detail, in order to which L shows the purport of the present invention.
The battery protection system of the present invention includes battery pack, switch and battery protecting apparatus with battery pack coupling.Electricity
Pond protective device include baseband processor, voltage for detecting each battery in battery pack voltage detection unit, be used for
Detect the temperature detection of the current detecting unit of the electric current of battery pack and the temperature for detecting each battery in battery pack
Unit.The voltage, electric current and temperature of battery are compared with corresponding threshold value and are generated first control signal by baseband processor,
With the turn-on and turn-off of control switch.Battery protecting apparatus further includes radio frequency interface, and baseband processor will be opened by radio frequency interface
The conducting state of the pass and voltage of battery, electric current and temperature are sent to external system.
Fig. 1 is the structure diagram of battery protection system according to an embodiment of the invention.Battery protection system 100 includes
Battery protecting apparatus 120 for protecting battery pack 110.Battery protecting apparatus 120 includes balanced unit 1202, Balance route list
Member 1204, voltage detection unit 1206, current detecting unit 1208, temperature detecting unit 1210, analog signal switch arrays
1212, baseband processor 1214, radio frequency interface 1216 and communication interface 1218.Battery pack 110 provides electric energy to load 130, and
It is charged by charger 140.When battery pack 110 is applied in electric vehicle, load 130 is electric vehicle itself.Battery pack 110 includes
Multiple batteries being connected in series with.Voltage detection unit 1206 detects the voltage of each battery.Balance route unit 1204 is according to electricity
The voltage of each battery that pressure detection unit 1206 detects controls balanced unit 1202, owns to realize in battery pack 110
The equilibrium of battery.
Baseband processor 1214 controls what analog signal switch arrays 1212 were detected with receiving voltage detection unit 1206
The battery pack 110 that the battery temperature and current detecting unit 1208 that cell voltage, temperature detecting unit 1210 detect detect
Charging current or discharge current, and from voltage detection unit 1206 receive battery balanced situation, and according to cell voltage,
Battery temperature, charging current and discharge current generate first control signal to control leading for charge switch 150 and discharge switch 160
Logical and shutdown.In one embodiment of the invention, current detecting unit 1208 can be resistance, and temperature detecting unit 1210 can
To be thermistor, charge switch 150 and discharge switch 160 are metal oxide semiconductor field effect tube (MOSFET), often
A MOSFET has body diode.
Radio frequency interface 1216 be used for by the data (for example, cell voltage, battery current and battery temperature) of battery pack 110,
The transmissions such as the security situation of the conducting state of charge switch 150 and discharge switch 160, the balanced situation of battery and battery pack 110
To external system.Communication interface 1218 is used to communicate with external system.
The concrete application of the battery protection system 100 further illustrated the present invention by taking Fig. 2 as an example below.In Fig. 2 with Fig. 1 marks
Number identical element function having the same, for simplicity, which is not described herein again.In one embodiment of the invention, electric
Pond protective device 120 is built in battery pack.Battery protection system 100 is communicated by network with terminal device.Although
Be in the example of Fig. 2 to Fig. 7 illustrated by taking GSM network as an example, it will be appreciated by those skilled in the art that the present invention
Battery protection system 100 is not limited to that, using in gsm networks, other networks, such as 3G network can also be applied to.When in Fig. 1
Baseband processor 1214 using GSM baseband processor when, then battery protection system 100 can be applied in GSM network.And work as
When baseband processor 1214 in Fig. 1 uses 3G baseband processor, then battery protection system 100 can be applied in 3G network.
Fig. 2 is described with reference to Fig. 1.As shown in Fig. 2, GSM network includes the base stations GSM 202, mobile switching centre
204 and network server (background server) 206.When terminal device is mobile terminal 210, battery protection system 100 and shifting
Dynamic terminal 210 is communicated by the base stations GSM 202.Mobile terminal 210 can be but not limited to mobile phone, palm PC, MP3 etc..
When terminal device is fixed terminal 220, such as PC, battery protection system 100 pass through the base stations GSM 202, mobile switch
Center 204 and background server 206 are communicated with fixed terminal 220.
In one embodiment of the invention, above-mentioned external system include the base stations GSM 202, mobile switching centre 204,
Background server 206, mobile terminal 210 and fixed terminal 220.Referring to Fig. 1 and 2, in one embodiment of the present of invention
In, background server 206 can be by updated parameter (such as temperature threshold, voltage threshold, current threshold) and system software
It is sent to baseband processor 1214 by radio frequency interface 1216.Background server 206 can also be sent via radio frequency interface 1216
Second control signal again sends out second control signal via communication interface 1218 to baseband processor 1214, baseband processor 1214
The electric machine controller (battery pack is mounted on the situation in electric vehicle) for giving charger 140 or electric vehicle, to realize background service
Control of the device 206 to charger 140 or electric machine controller.
Fig. 3 is the control that battery protection system 100 according to an embodiment of the invention executes in the first operational mode
Flow chart 300 processed.The first operating mode refers to that the baseband processor 1214 of battery protection system 100 is operated in normal mode.
Baseband processor 1214 carries out the protection of overcharging or overdischarging according to the voltage of battery, and excessively high according to the progress of the temperature of battery
Temperature or the protection for crossing low temperature, charging current or discharge current also according to battery carry out the protection of overcurrent.Specifically, when electricity
When the voltage in pond is higher than default ceiling voltage threshold value, baseband processor 1214 disconnects charge switch 150；When the voltage of battery is less than
When default minimum voltage threshold value, baseband processor 1214 disconnects discharge switch 160.When the temperature of battery in charging process is higher than pre-
If maximum temperature threshold value or when less than default minimum temperature threshold, charge switch 150 is disconnected；When the temperature of battery in discharge process
When higher than default maximum temperature threshold value or less than default minimum temperature threshold, discharge switch 160 is disconnected.When the charging current of battery
When higher than predetermined current threshold, charge switch 150 is disconnected；When the discharge current of battery is higher than predetermined current threshold, disconnection is put
Electric switch 160.
Fig. 3 is described in detail with reference to Fig. 1 and Fig. 2.In step 302, it includes battery protection system 100 to give
Battery pack powers on.In step 304, judge that GSM registers whether success, if being judged as YES, flow chart 300 enters step 306,
Otherwise 308 are entered step, baseband processor 1214 periodically detects GSM network.Within step 306, voltage, the temperature of battery are detected
With electric current (such as charging current or discharge current).Specifically, the voltage of battery is detected by voltage detection unit 1206, by temperature
Detection unit 1210 detects the temperature of battery, and the electric current of battery is detected by current detecting unit 1208.In the step 310,
Baseband processor 1214 carries out safe handling according to the voltage of battery, temperature and electric current, and decides whether to generate security alarm.Tool
For body, such as in the charging process of battery pack 110, if the voltage of battery is higher than default ceiling voltage threshold value or battery
Temperature is higher than default maximum temperature threshold value or less than default minimum temperature threshold, and or the charging current of battery be higher than predetermined current
Threshold value, baseband processor 1214 then disconnects charge switch 150, and generates security alarm.In another example in the electric discharge of battery pack 110
Cheng Zhong, if the voltage of battery is less than default minimum voltage threshold value or the temperature of battery is higher than default maximum temperature threshold value or is less than
Default minimum temperature threshold, and or the discharge current of battery be higher than predetermined current threshold, baseband processor 1214 then disconnects electric discharge
Switch 160, and generate security alarm.If being judged as generating security alarm in step 312, flow chart 300 enters step 314.
In a step 314, baseband processor 1214 sends alarm signal to background server 206 by radio frequency interface 1216.In step
In 316, judge alarm whether aggravate, for example, baseband processor 1214 generate first control signal to turn off charge switch 150,
And in fact since control device damage or battery are abnormal so that the voltage of battery continues to rise or battery temperature continues to rise,
Or there is also be then judged as that alarm aggravates to the charging current of battery.If alarm aggravates, flow chart 300 enters step 318, no
Then return to step 306.In step 318, alarm data is beamed back background server by baseband processor 1214, while will be at base band
The information of the base stations GSM 202 of the reason registration connection of device 1214 beams back background server 206, and background server 206 carries out battery pack
Positioning.In step 320,206 emergency notice user of background server or producer are handled, for example, background server 206 is sent out
The location information and emergent management for sending battery pack notify the terminal device used to user or producer, such as mobile phone, to notify to use
Family or producer handle battery pack accordingly.
With continued reference to Fig. 3, if not generating security alarm in step 312, flow chart 300 enters step 322.In step
In 322, baseband processor 1214 periodically sends data (such as the voltage of battery, the battery of battery pack by radio frequency interface 1216
Temperature and battery charging current and discharge current) to background server 206.In step 324, background server 206 will
The data of the battery pack of reception are compared to decide whether to generate pre- from the background with preset threshold value in background server 206
It is alert.For example, when background server 206 is judged as that the voltage of battery is higher than the ceiling voltage threshold value that background server 206 is set, after
Platform server 206 then generates backstage early warning.Wherein, the ceiling voltage threshold value that background server 206 is set is less than baseband processor
Default ceiling voltage threshold value in 1214.If generating backstage early warning, in step 326, background server in step 324
206 record warning information, and otherwise flow chart returns to step 306.
Fig. 4 is the control stream that battery protection system according to an embodiment of the invention executes in a second mode of operation
Journey Figure 40 0.Second of operating mode refers to that the baseband processor 1214 of battery protection system 100 is operated in anti-theft modes.Below
It is illustrated so that the battery pack including battery protection system 100 is mounted in electric vehicle as an example.Incorporated by reference to Fig. 1 and Fig. 2, Yong Huke
By terminal device, such as mobile phone, to be locked to battery protection system 100, discharge switch 160 is disconnected, it is illegal in this way
User will be unable to start electric vehicle, to realize that wireless key locks.Once the battery pack of the electric vehicle is illegally moved, backstage
The different base station location information that server 206 is sent according to battery protection system 100 judges whether that illegal movement occurs, once
It is judged as illegal movement, background server 206 will send instant messages or phone to mobile phone, to be alerted to user so that
User can be handled accordingly, such as user can be sent to the position of the battery pack of mobile phone by background server 206,
To help to find the battery pack illegally moved.
Referring to Fig. 1, Fig. 2 and Fig. 4, in step 402, user's using terminal equipment sends locking signal (third
Control signal) to baseband processor 1214, for example, user sends locking using mobile phone by GSM network and radio frequency interface 1216
Signal is to baseband processor 1214.In step 404, baseband processor 1214 disconnects discharge switch in response to locking signal
160, battery protection system 100 enters anti-theft modes.In a step 406, baseband processor 1214 is regular according to GSM base station informations
The position of battery pack is sent to background server 206.In a step 408, background server 206 is sent out according to baseband processor 1214
The position for the battery pack sent, judges whether battery pack is illegally moved.For example, background server 206 judges the battery pack to prestore
Position (baseband processor 1214 disconnect discharge switch 160 when, be sent to the position of the battery pack of background server 206) with from
Whether the position for the battery pack that baseband processor 1214 receives is identical, if it is different, being then judged as illegal movement.Once being judged as non-
Method moves, and flow chart 400 enters step 410, otherwise return to step 406.In step 410, background server 206 is sent out to mobile phone
Instant messages or phone are sent, to be alerted to user so that user can be handled accordingly.
When user needs to start electric vehicle, user is sent by GSM network and radio frequency interface 1216 using mobile phone and opens letter
Number to baseband processor 1214, baseband processor 1214 responds open signal and connects discharge switch 160.
Charge switch 150 and electric discharge of the control flow shown in Fig. 4 suitable for battery protection system 100 shown in FIG. 1
Switch 160 is non-the case where being connected in series with, and the charge switch 150 that can equally be well applied in battery protection system 100 and electric discharge are opened
160 are closed as the case where being connected in series with.Fig. 5 show charge switch 150 and discharge switch 160 is the battery protection system being connected in series with
The structural schematic diagram of system 100.Element function having the same identical with Fig. 1 and Fig. 2 labels in Fig. 5, for simplicity, here
It repeats no more.It is worth noting that, the control flow of Fig. 4 charge switch 150 and discharge switch 160 in applied to Fig. 5 are string
Connection connection in the case of, the charging current of battery pack 110 can flow through the body diode of discharge switch 160, cause power attenuation and
Temperature increases, and influences the service life of battery pack.It is in accordance with another embodiment of the present invention to overcome the defect, shown in Fig. 6
The control flow chart 600 that battery protection system 100 executes in a second mode of operation.
It is illustrated so that the battery pack including battery protection system 100 is mounted in electric vehicle as an example below.Please refer to Fig. 5
And Fig. 6, in step 602, user's using terminal equipment sends locking signal to baseband processor 1214, for example, user uses
Mobile phone sends locking signal to baseband processor 1214 by GSM network and radio frequency interface 1216.In step 604, at base band
Reason device 114 is held on charge switch 150 and discharge switch 160, and detects discharge current.In step 606, baseband processor
1214 judge whether discharge current is more than predetermined threshold value, such as 3 amperes, once it is judged as that discharge current is more than predetermined threshold value, then
608 are entered step, step 604 is otherwise returned to.In step 608, baseband processor 1214 disconnects charge switch 150 and electric discharge is opened
Close 160.In step 610, baseband processor 1214 sends alarm signal to backstage by GSM network and radio frequency interface 1216 and takes
Business device 206.In step 612, baseband processor 1214 positions battery pack according to GSM base station informations, and by the position of battery pack
Confidence breath is sent to background server 206.In step 614, background server 206 sends instant messages or phone to mobile phone,
To be alerted to user so that user can be handled accordingly.
Obviously, the charge switch 150 and put that the control flow of Fig. 6 is also applied in battery protection system 100 shown in FIG. 1
Electric switch 160 is non-the case where being connected in series with.
When user needs to start electric vehicle, user is sent by GSM network and radio frequency interface 1216 using mobile phone and opens letter
Number to baseband processor 1214, baseband processor 1214 responds open signal and connects charge switch 150 and discharge switch 160.
It should be noted that the revealed specific control flow of Fig. 3, Fig. 4 and Fig. 6 is merely exemplary.That is,
The step of present invention is applicable in other rational control flows or is improved to Fig. 3, Fig. 4 and Fig. 6.For example, according to the present invention
Another embodiment, when battery pack is mounted in electric vehicle, baseband processor 1214 is by the data of battery pack 110 (such as battery
Voltage, the temperature of battery and the charging current of battery and discharge current) be sent to by radio frequency interface 1216 and GSM network after
Platform server 206.Background server 206 analyzes data information, and stores and show the data information received.Cause
This, during the use of electric vehicle, background server 206 can not only may be used with the data of real-time collecting battery, the data of collection
For the data analysis in future, also it can in time be checked, repaired by mobile phone reminding user when battery occurs unexpected, to avoid
Generation accident achievees the purpose that constantly detection protection in 24 hours.
In another example according to another embodiment of the invention, due to rotection thresholds (such as the temperature of battery protection system 100
Degree threshold value, voltage threshold, current threshold) there is exception or system software operation exception, cause the warning information of battery to obtain always
Less than processing, the voltage of battery, electric current, temperature maintain always outside the range of rotection thresholds, the protection act performed by system
Do not occur and tell on, while also constantly deteriorating, it is possible to which when bringing accident hazard, background server 206 is then sent
The instruction of charge switch 150 or discharge switch 160 is turned off to baseband processor 1214, baseband processor 1214 is not necessarily to battery pack
Data and rotection thresholds be compared and directly disconnect charge switch 150 or discharge switch 160.Background server 206 simultaneously
It is rapid to notify user or producer, safety inspection is carried out, with the parameter (such as rotection thresholds) or system software of more new system, even
Repair is detected to whole system, accomplishes accident prevention.
The battery protecting method of the present invention includes the following steps：Detect the parameter of the battery in battery pack；And by base band
It manages device and safe handling is carried out according to above-mentioned parameter, if the value of above-mentioned parameter, in parameter preset threshold range, baseband processor will
Above-mentioned parameter is sent to background server, if the value of above-mentioned parameter is outside parameter preset threshold range, baseband processor disconnects
Charge switch or discharge switch, and alarm signal is sent to background server.Wherein parameter be voltage, electric current and temperature in extremely
Few one kind.
Fig. 7 is the flow chart 700 of battery protecting method according to an embodiment of the invention.With reference to Fig. 1 to Fig. 7 into
Row is described in detail.In a step 702, the voltage, electric current (such as charging current or discharge current) and temperature of battery are detected.It is specific and
Speech is detected the voltage of battery by voltage detection unit 1206, the electric current of battery is detected by current detecting unit 1208, and by temperature
Spend the temperature that detection unit 1210 detects battery.In step 704, baseband processor 1214 according to the voltage of battery, electric current and
Temperature carries out safe handling, and decides whether to generate security alarm.Specifically, for example in the charging process of battery pack 110,
It is preset most if the voltage of battery is higher than default maximum temperature threshold value or is less than higher than the temperature of default ceiling voltage threshold value or battery
Low temperature threshold value, and or the charging current of battery be higher than predetermined current threshold, baseband processor 1214 then disconnects charge switch
150, and generate security alarm.In another example in the discharge process of battery pack 110, if the voltage of battery is less than default minimum voltage
Threshold value or the temperature of battery are higher than default maximum temperature threshold value or less than default minimum temperature thresholds, and or battery electric discharge electricity
Stream is higher than predetermined current threshold, and baseband processor 1214 then disconnects discharge switch 160, and generates security alarm.In step 706
Judge whether baseband processor 1214 generates security alarm, if being judged as YES, flow chart 700 enters step 708.In step
In 708, baseband processor 1214 sends alarm signal to background server 206 by radio frequency interface 1216.In step 720,
Judge whether alarm aggravates.For example, in charging process, when charging current is higher than predetermined current threshold, baseband processor 1214
Control signal is generated to turn off charge switch 150, and in fact since exception occur in rotection thresholds (such as predetermined current threshold)
Or system software operation exception, charge switch 150 is not turned off or charge switch 150 has been damaged, then is judged as accusing
It is alert to aggravate.If alarm aggravates, flow chart 700 enters step 712, otherwise return to step 702.In step 712, Base-Band Processing
The information for the base stations GSM 202 being connected with it is sent to background server 206 by device 1214, is positioned to battery pack.If
It is judged as not generating security alarm in step 706, flow chart 700 then enters step 714.In step 714, baseband processor
1214 send voltage, electric current and the temperature of battery to background server 206 by radio frequency interface 1216.
Battery protection system provided by the invention and method by network, such as GSM network, 3G network, Wi-Fi,
Zigbee etc. such as can in real time protect battery pack, be positioned, being alerted at the security controls, to protect the peace of battery well
Entirely.When battery pack is installed in electric vehicle, electric vehicle can be prevented stolen, battery protection is such as controlled by mobile phone using network
System realizes electric discharge prohibiting function.And after battery pack or electric vehicle generation are stolen, user can be not only notified in time, can also be led to
The position that base station location determines battery pack is crossed, to find stolen battery pack or electric vehicle.In addition, the battery protection of the present invention
System realizes the security control of battery and obtaining for user's real time information using a baseband processor such as GSM baseband processor
It takes, without additionally using independent gsm module, to save cost.
It should be noted last that：Above example is only to illustrate the present invention and unrestricted, although implementing with reference to preferable
Example describe the invention in detail, it will be understood by those of ordinary skill in the art that, can modify to the present invention or
Person's equivalent replacement is intended to be within the scope of the claims of the invention without departing from the spirit and scope of the present invention.
Claims (5)
1. a kind of battery protecting apparatus, which is characterized in that including：
Voltage detection unit, the voltage for detecting battery；
Current detecting unit, the electric current for detecting battery；
Temperature detecting unit, the temperature for detecting battery；And
Baseband processor, for generating control signal according to the voltage, the electric current and the temperature, to control filling for battery
The conducting state of electric switch or discharge switch.
2. battery protecting apparatus according to claim 1, which is characterized in that further include：
The radio frequency interface coupled with the baseband processor, the baseband processor are opened the charging by the radio frequency interface
It closes or conducting state, the voltage, the electric current and the temperature of discharge switch is sent to external system.
3. battery protecting apparatus according to claim 2, which is characterized in that further include：
The balanced unit coupled with battery；And
Balance route unit, the voltage for the battery which detects according to the voltage detection unit control institute
Equalizing circuit is stated with balancing battery.
4. battery protecting apparatus according to claim 3, which is characterized in that further include：
Analog signal switch arrays, the baseband processor control the analog signal switch arrays to receive the voltage, institute
State electric current, the temperature and battery equilibrium state.
5. battery protecting apparatus according to claim 4, which is characterized in that the baseband processor is connect by the radio frequency
The equilibrium state of the battery is sent to the external system by mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810211437.8A CN108347037B (en) | 2012-11-21 | 2012-11-21 | Battery protecting apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810211437.8A CN108347037B (en) | 2012-11-21 | 2012-11-21 | Battery protecting apparatus |
| CN201210475119.5A CN103840435B (en) | 2012-11-21 | 2012-11-21 | Battery protection system and method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210475119.5A Division CN103840435B (en) | 2012-11-21 | 2012-11-21 | Battery protection system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108347037A true CN108347037A (en) | 2018-07-31 |
| CN108347037B CN108347037B (en) | 2019-01-01 |
Family
ID=50803677
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810211167.0A Pending CN108418188A (en) | 2012-11-21 | 2012-11-21 | Battery protecting method |
| CN201210475119.5A Active CN103840435B (en) | 2012-11-21 | 2012-11-21 | Battery protection system and method |
| CN201810211437.8A Expired - Fee Related CN108347037B (en) | 2012-11-21 | 2012-11-21 | Battery protecting apparatus |
| CN201810467867.6A Pending CN108631399A (en) | 2012-11-21 | 2012-11-21 | Battery protecting apparatus and its method |
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| CN108418188A (en) * | 2012-11-21 | 2018-08-17 | 夏雨 | Battery protecting method |
| US9768625B2 (en) * | 2014-07-04 | 2017-09-19 | Makita Corporation | Battery pack, and method for controlling the same |
| CN104300606B (en) * | 2014-10-08 | 2017-01-25 | 合肥工业大学 | Multi-string battery protection system |
| EP3216078B1 (en) | 2014-11-04 | 2021-07-21 | CPS Technology Holdings LLC | Modular design of a 48-volt li-ion battery for ease of assembly and disassembly |
| CN105098729B (en) * | 2015-09-15 | 2017-11-28 | 天津动芯科技有限公司 | A kind of Intelligent lithium battery protection device and its control method |
| US20190260093A1 (en) * | 2016-09-29 | 2019-08-22 | Shenzhen Royole Technologies Co. Ltd. | Method for controlling fast charging, system for controlling fast charging, and terminal device |
| CN106374152B (en) * | 2016-09-30 | 2019-08-13 | 北京珠穆朗玛移动通信有限公司 | A kind of battery abnormality eliminating method, device, mobile terminal and system |
| AU2018244050A1 (en) | 2017-03-30 | 2019-09-26 | Gs Yuasa International Ltd. | Power supply device, server, and power supply device management system |
| CN107817397B (en) * | 2017-09-26 | 2020-02-14 | Oppo广东移动通信有限公司 | Charging heating abnormity detection method and terminal equipment |
| JP7017925B2 (en) * | 2017-12-25 | 2022-02-09 | パナソニックＩｐマネジメント株式会社 | Lighting equipment, lighting equipment, lighting equipment and programs |
| DE102019207692A1 (en) * | 2019-05-26 | 2020-11-26 | Robert Bosch Gmbh | Method for operating an electrical energy store, electrical energy store and device |
| JP7051767B2 (en) * | 2019-08-21 | 2022-04-11 | 本田技研工業株式会社 | Controls, control methods, and programs |
| CN110601241A (en) * | 2019-10-19 | 2019-12-20 | 宁波拜特测控技术股份有限公司 | Energy storage power station direct current loop topology system |
| CN113036301B (en) * | 2021-03-01 | 2022-12-02 | 深圳市比特安科技有限公司 | Battery anti-theft system of battery replacing cabinet |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103840435B (en) | 2018-05-01 |
| CN108418188A (en) | 2018-08-17 |
| CN108347037B (en) | 2019-01-01 |
| CN103840435A (en) | 2014-06-04 |
| CN108631399A (en) | 2018-10-09 |
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