CN103840435B - Battery protection system and method - Google Patents
Battery protection system and method Download PDFInfo
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- CN103840435B CN103840435B CN201210475119.5A CN201210475119A CN103840435B CN 103840435 B CN103840435 B CN 103840435B CN 201210475119 A CN201210475119 A CN 201210475119A CN 103840435 B CN103840435 B CN 103840435B
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- 238000000034 method Methods 0.000 title abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 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
- 238000003491 array Methods 0.000 description 2
- 230000008901 benefit Effects 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
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
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- 229910044991 metal oxide Inorganic materials 0.000 description 1
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- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The invention discloses a kind of battery protection system and method.The battery protection system includes the battery protecting apparatus of battery pack, the switch coupled with battery pack and the conducting state for controlling switch.The battery protecting apparatus includes baseband processor, the voltage detection unit of voltage for detecting the battery in battery pack, the current detecting unit of electric current for detecting battery pack and the temperature detecting unit of the temperature for detecting the battery in battery pack.The voltage, electric current and temperature of battery compared with corresponding threshold value and are produced control signal by baseband processor, with the turn-on and turn-off of controlling switch.The battery protection system and method for the present invention utilizes a baseband processor, the acquisition of security control and the user's real time information of battery is realized, without additionally using independent gsm module, so as to save cost.
Description
Technical field
The present invention relates to cell safety control field, more particularly to a kind of battery protection system and method.
Background technology
Due to higher energy density, application is more and more wider, such as extensively should for lithium battery or lithium polymer battery at present
For in electric tool, to power to electric tool.Electric tool includes but not limited to electric car 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
More requirements, the security of battery is exactly the highly important performance indicator of one of which.
A kind of method of existing protection battery is to add protection board to battery, but produces protection or protection in protection board
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 single system, such as one piece of independent wireless GSM or 3G module of extra increase, to realize the protection to battery.However,
Due to needing one piece of independent GSM or 3G module, so as to cause cost to increase.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of battery protection system and method, is realized with relatively low cost
The acquisition of security control and the user's real time information of battery.
In order to solve the above technical problems, the present invention provides a kind of battery protection system.The battery protection system includes electricity
The battery protecting apparatus of pond group, the switch coupled with battery pack and the conducting state for controlling switch.Battery protecting apparatus bag
Include baseband processor, voltage detection unit, the electric current for detecting battery pack of voltage for detecting the battery in battery pack
Current detecting unit and the temperature for detecting the battery in battery pack temperature detecting unit.Baseband processor is by battery
Voltage, electric current and temperature compared with corresponding threshold value and produce control signal, with the turn-on and turn-off of controlling switch.
As the improvement of above-mentioned technical proposal, 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.
Present invention also offers a kind of battery protecting apparatus, it includes baseband processor, voltage for detecting battery
Voltage detection unit, the current detecting unit of electric current for detecting battery, the temperature detection list of temperature for detecting battery
Member.Baseband processor be used for according to the voltage, electric current and temperature of battery produce control signal, with control the charge switch of battery or
The conducting state of discharge switch.
As the improvement of above-mentioned technical proposal, 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.
Present invention also offers a kind of battery protecting method, comprise 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
State baseband processor to send the parameter 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 at least have the following advantages：Utilize a base
Provided with processor realizes the acquisition of security control and the user's real time information of battery, independent wireless without additionally using
GSM or 3G module, so as to save cost.By network, it the safety such as can be protected, be positioned, being alerted to battery pack in real time
Control, so as to protect the safety of battery well.When battery pack is installed in electric car, electric car can be prevented to be 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 car stolen
Afterwards, can not only notify user in time, also the position of battery pack can be determined by base station location, thus find stolen battery pack or
Electric car.
Brief description of the drawings
Technical scheme is described in detail below in conjunction with the drawings and specific embodiments, so that the present invention
Characteristic and advantage 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 performs in the first operational mode
Cheng Tu.
Fig. 4 is the control stream that battery protection system according to an embodiment of the invention performs in a second mode of operation
Cheng Tu.
Fig. 5 is the structure 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 performs 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.
Embodiment
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, illustrates substantial amounts of detail.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
The voltage detection unit of voltage of the pond protective device including baseband processor, for detecting each battery in battery pack, be used for
Detect the current detecting unit of electric current and the temperature detection of the temperature for detecting each battery in battery pack of battery pack
Unit.The voltage, electric current and temperature of battery compared with corresponding threshold value and are produced first control signal by baseband processor,
With the turn-on and turn-off of controlling 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
For protecting the battery protecting apparatus 120 of 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
1212nd, baseband processor 1214, radio frequency interface 1216 and communication interface 1218.Battery pack 110 provides electric energy to load 130, and
Charged by charger 140.When battery pack 110 is applied in electric car, the as electric car of load 130 is in itself.Battery pack 110 includes
Multiple batteries being connected in series.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 produce first control signal to control leading for charge switch 150 and discharge switch 160
Logical and shut-off.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 conducting state of charge switch 150 and discharge switch 160, security situation of balanced situation and battery pack 110 of battery etc. are sent
To external system.Communication interface 1218 is used to communicate with external system.
The concrete application of the battery protection system 100 of the present invention is further illustrated by taking Fig. 2 as an example below.In Fig. 2 with Fig. 1 marks
Number identical element has the function of identical, and for simplicity, which is not described herein again.In one embodiment of the invention, it is electric
Pond protective device 120 is built in battery pack.Battery protection system 100 is communicated by network with terminal device.Although
It is to be illustrated by taking GSM network as an example in the example of Fig. 2 to Fig. 7, 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 GSM base stations 202, mobile switching centre
204 and the webserver (background server) 206.When terminal device is mobile terminal 210, battery protection system 100 and shifting
Dynamic terminal 210 is communicated by GSM base stations 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 GSM base stations 202, mobile switch
Center 204 and background server 206 communicate with fixed terminal 220.
In one embodiment of the invention, above-mentioned external system include GSM base stations 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 the parameter (such as temperature threshold, voltage threshold, current threshold) and system software after renewal
Baseband processor 1214 is sent to 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 installed on the situation in electric car) of charger 140 or electric car is given, 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 performs 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 excessive according to the progress of the temperature of battery
Temperature or the protection for crossing low temperature, charging current or discharge current always according to battery carry out the protection of overcurrent.Specifically, electricity is worked as
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
During 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 during less than default minimum temperature threshold, charge switch 150 is disconnected；When the temperature of battery in discharge process
During 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
During 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, to including battery protection system 100
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 produce security alarm.Tool
For body, such as in the charging process of battery pack 110, if the voltage of battery, which is higher than, presets 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 produces 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 produce security alarm.If being judged as producing 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 whether alarm aggravates, for example, baseband processor 1214 produces 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 the charging current of battery also exists, then it is judged as that alarm aggravates.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 by base band
The information of the GSM base stations 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
Send the positional information of battery pack and emergent management notifies the terminal device that is 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 producing 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 produce pre- from the background with threshold value set in advance in background server 206
It is alert.For example, when background server 206 be judged as battery voltage be higher than background server 206 set ceiling voltage threshold value, after
Platform server 206 then produces 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 backstage early warning, in step 326, background server are produced 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 performs 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
Illustrated so that the battery pack including battery protection system 100 is installed in electric car as an example.Incorporated by reference to Fig. 1 and Fig. 2, Yong Huke
It is so illegal by terminal device, such as mobile phone, to be locked to battery protection system 100, discharge switch 160 is disconnected
User will be unable to start electric car, be locked so as to fulfill wireless key.Once the battery pack of the electric car is illegally moved, backstage
The different base station positional 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 the (the 3rd
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 (when baseband processor 1214 disconnects discharge switch 160, being 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 it is 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 car, 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 suitable for the battery protection system 100 shown in Fig. 1 shown in Fig. 4
Switch 160 is non-situation about being connected in series, and the charge switch 150 that can equally be well applied in battery protection system 100 and electric discharge are opened
Close 160 situations to be connected in series.Fig. 5 show charge switch 150 and discharge switch 160 is the battery protection system being connected in series
The structure diagram of system 100.The element identical with Fig. 1 and Fig. 2 labels has the function of identical in Fig. 5, for simplicity, here
Repeat 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 raises, 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 performs in a second mode of operation.
Illustrated below by taking the battery pack including battery protection system 100 is installed in electric car as an example.It 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, otherwise returns to step 604.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 the battery protection system 100 shown in Fig. 1
Electric switch 160 is non-situation about being connected in series.
When user needs to start electric car, 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 installed in electric car, 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 message, and stores and show the data message received.Cause
This, during the use of electric car, 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, achieve the purpose that 24 it is small when constantly detection protection.
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 outside the scope of rotection thresholds always, 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 without to battery pack
Data and rotection thresholds be compared and directly disconnect charge switch 150 or discharge switch 160.Background server 206 at the same time
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
Maintenance is detected to whole system, accomplishes accident prevention.
The battery protecting method of the present invention comprises the following steps：Detect the parameter of the battery in battery pack；And by base band
Manage 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, 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 describes 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, the voltage of battery is detected by voltage detection unit 1206, and 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 produce security alarm.Specifically, 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 be higher than default maximum temperature threshold value or less than it is default most
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 produce 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 threshold, and or battery electric discharge electricity
Stream is higher than predetermined current threshold, and baseband processor 1214 then disconnects discharge switch 160, and produces security alarm.In step 706
Judge whether baseband processor 1214 produces 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 produced 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
Device 1214 sends the information for the GSM base stations 202 being connected with it to background server 206, and battery pack is positioned.If
It is judged as not producing 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., the security control such as in real time can protect battery pack, be positioned, being alerted, so as to protect the peace of battery well
Entirely.When battery pack is installed in electric car, electric car can be prevented to be stolen, battery protection is such as controlled by mobile phone using network
System, realizes electric discharge prohibiting function.And after battery pack or electric car generation are stolen, user can be not only notified in time, can also be led to
Cross base station location and determine the position of battery pack, so as to find stolen battery pack or electric car.In addition, the battery protection of the present invention
System utilizes a baseband processor, such as GSM baseband processor, realizes the security control of battery and obtaining for user's real time information
Take, without additionally using independent gsm module, so as to save cost.
It should be noted last that：Above example is only to illustrate rather than limitation, although implementing with reference to preferable
Example the present invention is described 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 substitution, without departing from the spirit and scope of the present invention, it should all cover among scope of the presently claimed invention.
Claims (7)
- A kind of 1. battery protection system, it is characterised in that including：Battery pack；With the switch of battery pack coupling；AndBattery protecting apparatus, for controlling the conducting state of the switch, the battery protecting apparatus includes：Voltage detection unit, for detecting the voltage of the battery in the battery pack；Current detecting unit, for detecting the electric current of the battery pack；Temperature detecting unit, for detecting the temperature of the battery in the battery pack；AndBaseband processor, for compared with corresponding threshold value and the voltage, the electric current and the temperature to be produced One control signal, to control the turn-on and turn-off of the switch；The battery protecting apparatus further includes radio frequency interface, and the baseband processor is by the radio frequency interface by the switch Conducting state, the voltage, the electric current, the temperature are sent to external system；The external system includes background server, and the background server is by the radio frequency interface by the threshold after renewal Value and system software are sent to the baseband processor.
- 2. battery protection system according to claim 1, it is characterised in that the battery protecting apparatus further includes communication and connects Mouthful, the external system sends second control signal via the radio frequency interface, the baseband processor and the communication interface, It is controlled with the charger to charge to the battery pack.
- 3. battery protection system according to claim 2, it is characterised in that the external system includes background server, When the switch is turned off by the first control signal, the baseband processor sends alarm signal extremely by the radio frequency interface The background server.
- 4. battery protection system according to claim 3, it is characterised in that the baseband processor is according to base station information meter The position of the battery protection system is calculated, and sends the position to the background server.
- 5. battery protection system according to claim 1, it is characterised in that the battery protecting apparatus further includes radio frequency and connects Mouthful, the baseband processor receives the 3rd control signal by the radio frequency interface from external system, and according to the described 3rd control Signal processed disconnects the switch.
- 6. battery protection system according to claim 1, it is characterised in that the switch is charge switch, the electric current For the charging current of the battery pack.
- 7. battery protection system according to claim 1, it is characterised in that the switch is discharge switch, the electric current For the discharge current of the battery pack.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810211167.0A CN108418188A (en) | 2012-11-21 | 2012-11-21 | Battery protecting method |
| CN201810467867.6A CN108631399A (en) | 2012-11-21 | 2012-11-21 | Battery protecting apparatus and its method |
| CN201210475119.5A CN103840435B (en) | 2012-11-21 | 2012-11-21 | Battery protection system and method |
| CN201810211437.8A CN108347037B (en) | 2012-11-21 | 2012-11-21 | Battery protecting apparatus |
Applications Claiming Priority (1)
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| CN201210475119.5A CN103840435B (en) | 2012-11-21 | 2012-11-21 | Battery protection system and method |
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| CN201810211437.8A Division CN108347037B (en) | 2012-11-21 | 2012-11-21 | Battery protecting apparatus |
| CN201810467867.6A Division CN108631399A (en) | 2012-11-21 | 2012-11-21 | Battery protecting apparatus and its method |
| CN201810211167.0A Division CN108418188A (en) | 2012-11-21 | 2012-11-21 | Battery protecting method |
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| CN103840435A CN103840435A (en) | 2014-06-04 |
| CN103840435B true CN103840435B (en) | 2018-05-01 |
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| CN201810211437.8A Expired - Fee Related CN108347037B (en) | 2012-11-21 | 2012-11-21 | Battery protecting apparatus |
| 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 |
| CN201810467867.6A Pending CN108631399A (en) | 2012-11-21 | 2012-11-21 | Battery protecting apparatus and its method |
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| CN201810211437.8A Expired - Fee Related CN108347037B (en) | 2012-11-21 | 2012-11-21 | Battery protecting apparatus |
| CN201810211167.0A Pending CN108418188A (en) | 2012-11-21 | 2012-11-21 | Battery protecting method |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108347037B (en) * | 2012-11-21 | 2019-01-01 | 深圳市斯凯特电子有限公司 | Battery protecting apparatus |
| 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 |
| US10454077B2 (en) | 2014-11-04 | 2019-10-22 | 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 |
| CN110447158B (en) | 2017-03-30 | 2023-08-04 | 株式会社杰士汤浅国际 | 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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- 2012-11-21 CN CN201810211167.0A patent/CN108418188A/en active Pending
- 2012-11-21 CN CN201210475119.5A patent/CN103840435B/en active Active
- 2012-11-21 CN CN201810467867.6A patent/CN108631399A/en active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103840435A (en) | 2014-06-04 |
| CN108347037A (en) | 2018-07-31 |
| CN108631399A (en) | 2018-10-09 |
| CN108347037B (en) | 2019-01-01 |
| CN108418188A (en) | 2018-08-17 |
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Effective date of registration: 20180319 Address after: 226600 Changjiang West Road, Haian County, Nantong, Jiangsu Province, No. 33 Applicant after: Xia Yu Address before: Room 502, Room 502, 8, Fengzhuang Road, Jiading District, Shanghai, Shanghai Applicant before: Zhang Wei |
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Denomination of invention: Battery protection system and method Effective date of registration: 20211215 Granted publication date: 20180501 Pledgee: Yantai financing guarantee Group Co.,Ltd. Pledgor: Yantai lithium-ion Environmental Protection Technology Co.,Ltd. Registration number: Y2021980015018 |
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Granted publication date: 20180501 Pledgee: Yantai financing guarantee Group Co.,Ltd. Pledgor: Yantai lithium-ion Environmental Protection Technology Co.,Ltd. Registration number: Y2021980015018 |