CN104215823B - Vehicular battery safety monitoring system - Google Patents
Vehicular battery safety monitoring system Download PDFInfo
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- CN104215823B CN104215823B CN201410394911.7A CN201410394911A CN104215823B CN 104215823 B CN104215823 B CN 104215823B CN 201410394911 A CN201410394911 A CN 201410394911A CN 104215823 B CN104215823 B CN 104215823B
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Abstract
The invention discloses a kind of Vehicular battery safety monitoring system.The Vehicular battery safety monitoring system includes battery monitor unit, communication unit, sensor monitoring unit, unit of warning, order wire and train-line.The duty parameter that battery monitor unit is used to measure Vehicular battery is sent to communication unit, is transmitted by communication unit through order wire to unit of warning.Sensor monitoring unit is used to detect the environmental physicses amount of working environment residing for Vehicular battery and transmitted via train-line to unit of warning.Unit of warning generates according to the environmental physicses amount and duty parameter that receive and exports alert messages.The Vehicular battery safety monitoring system of the present invention, foreign structure fault tolerant mechanism is devised in sampling element, data transfer link and link of warning, can reliably monitor battery there is a situation where failure or failure risk and and alarm, the reliability of cell safety monitoring is significantly improved, the safety of vehicle and passenger under emergency conditions has been ensured.
Description
Technical field
The present invention relates to a kind of Vehicular battery safety monitoring system.
Background technology
Existing many rail traffic vehicles, it is equipped with battery, for providing backup.Equipment is normally run
When, vehicle introduces AC or DC power from contact net, and then produces traction power by trailer system, is produced by auxiliary inversion system
The accessory power supply of raw accessory power supply, such as direct current 110V.When contact net power-off or train auxiliary inversion system jam and nothing
When method provides direct current supply for train, battery will provide reliable back-up source for train, to support compartment Emergency Light,
Air-conditioning emergency ventilation, Train Control and communication system normal work.Therefore, the reliably working of battery turns into vehicle especially
The basic guarantee of train safe operation, direct relation occupant personal safety and traffic safety are, it is necessary to reliably keep high availability.
By taking urban railway transit train as an example, train accumulator failure may be such that output voltage, and relatively low there is provided electricity
Deficiency, and then cause train pantograph not rise, train can not normally be run, and directly affect circuit capacity.When train is on ground
When being travelled in lower tunnel, if contact net electric power system breaks down, the input of train mismatched contact can only store by train
Battery provides emergency lighting and ventilation for compartment.If train battery has Loss of power failure, emergency lighting is held with ventilation
The continuous time gently then shortens, heavy then directly forfeiture.In the case of no emergency lighting, passenger is difficult to effective rapid evacuation railway carriage or compartment, and
Remain in compartment, due to not enough ventilations, passenger also has the risk of death by suffocation.On the other hand, if
Itself there is partial short-circuit failure in train battery, can produce the phenomenon slowly generated heat, and heat aggregation may draw to a certain extent
Train catching fire is played, great casualties and property loss is caused.Accordingly, it would be desirable to effectively lift the available of Vehicular accumulator cell
Degree, reinforcing improves travel safety, security particularly under emergency conditions to its safety monitoring level.If can
Effective storage battery safety monitoring system is equipped with, this problem will be significantly improved.
In the prior art, in the existing some patents for being related to safety monitoring in rail traffic vehicles battery field.Application
Number CN201310235495 invention describes a kind of lithium battery group safety monitoring system based on GPRS module, the system bag
Contain：Sampling module, it is arranged in battery pack system；Gateway, it connects sampling module output end；GPRS module, it passes through CAN
Bus connects gateway, and is remotely exported by gprs system；Batteries management system, it connects battery pack and monitored in real time,
And be connected with gateway by CAN；Monitoring central server, its telecommunication connection GPRS module；Display terminal, it is connected
The output end of gateway receives monitoring information.The invention enables to maintenance management personnel to understand each parameter of battery pack system in real time
And running status, reduce workload and improve operating efficiency, improve the security reliability of lithium battery systems.
A kind of bullet train battery warning system of application number CN201310429399 disclosure of the invention, including data connect
Mouth unit, the output end of the data interface unit is connected with the input of control process unit, the control process unit
Output end is respectively with local data store, train supervision display unit sum it is judged that module is connected, and the data judge
Input of the output end of module respectively with train supervision display unit and remote alarms data processing unit is connected, described long-range
The output end of alert data processing unit is connected with GSM-R communication systems, and the GSM-R communication systems show with ground control centre
Show that terminal is connected.The technical scheme of the invention, effectively raises the real-time, low of the long-distance alarm of battery precarious position
Bandwidth, economy, in the case where taking compared with low-resource, realize the timely long-distance transmissions linkage of danger.
Application number CN201110375403 invention describes a kind of city rail train storage battery temperature monitoring alarm and control
Method processed, many places temperature acquisition point is set in electric power storage pool surface, and overtemperature benchmark is set in scm software, gathers each point temperature
Signal, is compared with overtemperature benchmark, while judging whether temperature signal is normal, no temperature signal then judges that detecting system or circuit go out
Failure logging is simultaneously sent into train monitoring system by existing failure, and temperature signal normally then carries out data conversion and send each point real time temperature
Enter train monitoring system to show, store.Battery temp value is recorded, passes through train monitoring system report if overtemperature
It is alert, and accumulator charging/discharging circuit is cut off, to ensure the normal work of battery, improve service lifetime of accumulator.
A kind of rail transit train battery management system of application number CN201320835396 disclosure of the invention, with to train
On battery pack be managed and management information be sent to train control, it is including multiple from control unit, from control unit control
One of battery of battery pack, to gather the voltage and temperature of cell；One main control unit, main control unit with from control unit
Any one be all connected with, total voltage and total current to gather battery pack；CAN, for will be from control unit and master control list
Member connection, in addition to a rigid line faulty circuit and a rigid line.The battery management system can not only in real time be monitored to battery pack,
And the use of rigid line failure is reliable side when battery system or the other parts of train catastrophe failure occur and need to stop in emergency
Formula.
Application number CN200710118054 invention describes a kind of vehicle mounted battery monitor system, including central processing module
With some detection modules, it is attached directly to the AD entrances of central processing module single-chip microcomputer, the numeral letter of temperature collect module output
Number it is joined directly together and is communicated with the I/O port of central processing module single-chip microcomputer, output the I2C buses and its of real-time time module
His device communication, the output of real-time time module is connected with the I2C EBIs of single-chip microcomputer, and CAN communication module is directly and monolithic
The CAN interface of machine is connected.Central processing module detection battery temperature, voltage, electric current, are integrated to battery charging and discharging electricity,
Battery remaining power is estimated, when battery remaining power estimated value is less than threshold value, central processing module sends warning information.
Application number CN201310370619 invention is related to a kind of electrokinetic cell safety monitoring device, it is characterised in that one
The electricity such as temperature detection, oxygen concentration detection, density of hydrogen detection, air pressure detection, GPS/GPRS communications are connected on individual ECU
Road, it is used in combination with existing power battery management system, as the important supplement of battery management system, can detect
To electrokinetic cell considerable safety potential faults and make early warning, while can according to setting troubleshooting standard carry out failure
Processing.
The application number CN103633738A disclosure of the invention battery cell monitoring information transferring method of a kind of energy-storage system, to electricity
Cell monitoring information carries out the processing of classification and layering：It is divided to two classes, i.e. telemetry intelligence (TELINT) and alarm to believe battery cell monitoring information
Breath；For telemetry intelligence (TELINT), higher priority level is configured to warning information, in the engineering transmitted and handled, alarm
Information is all given preferential treatment to compared with telemetry intelligence (TELINT)；Battery cell monitoring information is divided into battery cell, battery module and battery pile level information；
The transmission path of battery cell monitoring information is divided into battery cell administrative unit, battery module managing unit, battery from lower to upper
This five layers of management system, the background monitoring main frame of energy-storage system and higher level's master supervisory system；The invention can meet capacity need
Ask and battery cell monitoring information real-time can be effectively improved.
Application number CN201210256401 invention describes a kind of battery cell monitoring and protection device and its System and method for,
The battery cell monitoring and protection device are used cooperatively with a battery module, and battery cell monitoring and protection device include a sensing module
And the control module of an electrical connection battery module and sensing module.Control module is according to the sense of wherein at least one sensing unit
Survey output control battery module whether to power, and when occurring abnormal, effect of the electric power output of battery module is cut off in time.
Although above-mentioned prior art all refers to the monitoring for battery and ensures the normal of running status to a certain extent,
As long as it should be noted however, that prior art wherein any one link when carrying out safety monitoring to battery breaks down
It may result in whole monitoring system failure.Because the most of effect of battery in itself is that the guarantee for case of emergency,
When these cases of emergency occur, it is difficult to ensure that the equipment that is related to of the link of each in safety monitoring can normal work, this is just
So that existing storage battery safety monitoring system or similar system are still difficult to ensure battery reliably in actual use
Cope with the appearance of emergency condition.
The content of the invention
The technical problem to be solved in the present invention is to overcome prior art for the monitoring of battery condition in some feelings
Failure is possible under condition, the reliability of monitoring is still not high enough, thus rail vehicle is when in case of emergency needing to use battery
The defect of larger failure risk and potential safety hazard is still suffered from, a kind of Vehicular battery safety monitoring system is proposed.
The present invention is to solve above-mentioned technical problem by following technical proposals：
The invention provides a kind of Vehicular battery safety monitoring system, its feature is, including：One battery monitor unit,
One communication unit, a sensor monitoring unit, one warn unit, order wire and train-line.
The battery monitor unit is used to measure the duty parameter of Vehicular battery and send the duty parameter measured to this to lead to
Believe unit, duty parameter includes at least one of following parameter：Monomer voltage, total voltage, electric current, the remaining electricity of Vehicular battery
Amount, insulaion resistance and temperature.
The communication unit is used to by order wire transmit the duty parameter received to the unit of warning.
The sensor monitoring unit is used to detecting the environmental physicses amount of working environment residing for Vehicular battery, and by the ring detected
Border physical quantity is transmitted to the unit of warning by train-line, and environmental physicses amount includes at least one of following parameter：Smog is dense
The electric current at node is preset in degree, temperature, circuit.
The unit of warning is used for the duty parameter generation alert messages according to the environmental physicses amount that receives and battery, and defeated
Go out alert messages.
Wherein, train-line be existing train in be used for transmit related electric instruction or information circuit, train-line from
Wire is only required to be for its function, can be understood as being used to transmit related electric control in the form of electric current in train at this
Make the particular lead of instruction.And order wire then allows to use certain existing communication protocol to pass in the way of the communications of data
Defeated signal or data.Order wire and train-line are two independent class wires, and its transmit the principles of signal or data there is also
A great difference, both is to constitute isomery redundancy, and this causes the two to be paralysed simultaneously due to the influence of some failures or certain environment
Or the possibility of failure is minimum.For example, duty parameter can be sent through order wire using the form of serial data communication
To terminal of warning.In the specific implementation of data communication, the present invention can be using meeting associated international standards or national standard
Secure communication protocols, so as to the effectively error of transmission such as defence frame losing, error code, frame sequence mistake, realize the credible delivery of data.Should
Battery monitor unit can be provided near the battery of train, gather the parameter related to cell operating status.And sensor monitoring
Unit is used for the environmental physicses amount for detecting working environment residing for Vehicular battery, specifically, can for each different physical quantity
To set different sensors.
Ideally, terminal of warning results in all duty parameters and all environmental physicses that detection is obtained
Amount, this makes it possible to comprehensive state for grasping train battery.But it should be noted that based on one in these parameters or physical quantity
It is individual or multiple can just judge that can train battery normal work to a certain extent.The present invention can occur in data communication
Failure and he in the case of loses information transfer capability, still be able to detect that obtained partial parameters are transmitted to warning by train-line
Terminal, based on this partial parameters, is still enough to know whether whether the state of train battery normally can use in other words.Therefore, i.e.,
Make in the members failure or failure of safety monitoring system, remain able to generally normal work realize for battery can
By monitoring.The design of such isomery fault tolerant mechanism, can substantially completely prevent in any peace in emergency circumstances for battery
There is disabled status in full monitoring, thus reliability is greatly improved for ensureing the safety of train.
It is preferred that the battery monitor unit is used to the numerical measuring of circuit analog quantity to obtain duty parameter, the sensing
Monitoring unit obtains environmental physicses amount using sensing technology detection.
So, isomery fault tolerant mechanism is equally just employed in sampling element, i.e., realizes that analog quantity is adopted by battery monitor unit
Collection, can monitor the operation of battery, and sensor monitoring unit realizes the sensing of the objective environment such as smog, overheat, excessively stream
Measurement.As long as the detection of this two class is failed when different, the present invention just can reliably monitor train battery.
It is preferred that the order wire is used to utilize data communication duty parameter, the sensor monitoring unit is set including sensing
A standby and processing unit, sensing equipment is used to detect environmental physicses amount and sent to the processing unit, and the processing unit is used for root
The environmental physicses amount received is converted into frequency current pulse according to default transformation rule and then frequency current pulse is passed through into row
Fare is transmitted to the unit of warning.The unit of warning be used for parse the frequecy characteristic of frequency current pulse that receives, and according to
The frequency current pulse received and duty parameter generation alert messages, and export alert messages.
Environmental physicses amount is converted into the transmission that frequency current pulse not only contributes to train-line, reduced for train-line
Requirement, it is ensured that higher efficiency of transmission, also can be by relatively simple processing according to frequency for unit of warning
Rate current impulse generates alert messages.When which has the ability, i.e. sensor monitoring cell failure of fault-safety principle simultaneously,
Often show as exporting fixed current, without current impulse change.Therefore, if the train line current that terminal of warning is received is solid
Definite value then can interpolate that out that sensor monitoring unit or train-line break down, i.e. equipment fault sends and set without pulse change
Standby fault alarm, to remind driver or other operating personnel.In this way, avoiding the operator due to device fails
It is difficult to know, causes failure not overheat the event such as on fire by timely exclude so as to occur battery, and jeopardizes personal security.In addition,
Ground is readily appreciated that, transformation rule herein can be configured by those skilled in the art according to actual conditions.
The span of each environmental physicses amount it is preferred that the processing unit is stored with, the processing unit is used to judge to receive
Whether the environmental physicses amount arrived exceeds corresponding span, and will exceed corresponding value according to default first transformation rule
The environmental physicses amount of scope is converted to frequency current pulse and then transmits frequency current pulse to the list of warning by train-line
Member.
It is preferred that the transformation rule or first transformation rule regulation, each environmental physicses amount respective frequencies current impulse
A frequency.
Certainly, for example, different parameters can also be corresponded to frequency current pulse not by another set-up mode
Same amplitude.In addition it is also possible to which the corresponding relation between environmental physicses amount and the frequency of frequency current pulse is changed into rule in other words
Then it is set to the frequency corresponding to different frequency current pulses with the combination of multiple environmental physicses amounts.
It is preferred that sensing equipment includes Smoke Sensor, current sensor and temperature sensing cable, Smoke Sensor and electric current are passed
Sensor is connected using normally closed contact with the processing unit.
Wherein, Smoke Sensor, temperature sensing cable and current sensor may be configured as the shape of Sensor of Switch-Output Type
Formula.Under Smoke Sensor normal condition, output alarm junction closure.When battery, which produces smokescope, reaches alarm threshold value,
Smoke Sensor output alarm contact disconnects.Under temperature sensing cable normal condition, two cored wires therein are off.Work as storage
When battery somewhere temperature reaches alarm threshold value, two cored wire closures of temperature sensing cable.When battery total current is in not less than alarm
During threshold value, current sensor output alarm junction closure.When battery total current reaches alarm threshold value, current sensor output report
Alert contact disconnects.Such specific setting, can be avoided when failure is actually occurred, due to alarm circuit or signal transmission line
Disconnection, cause the personnel of alarm unit side or this side to take for battery and all go well, bring potential safety hazard.
It is preferred that this is warned, unit is additionally operable to not receive environmental physicses amount in a preset duration or does not receive operating mode ginseng
Output equipment fault alarm in the case of number.
It is preferred that this is warned, unit includes the visual alarm and an audio alarms for being used to export alert messages.
On the basis of common sense in the field is met, above-mentioned each optimum condition can be combined, and produce each preferable reality of the present invention
Example.
The positive effect of the present invention is：
The Vehicular battery safety monitoring system of the present invention, in sampling element, data transfer link and ring layout of warning
Foreign structure fault tolerant mechanism, the single equipment failure that the links in safety monitoring are likely to occur will not cause the present invention
System safety monitoring failure, can reliably monitor that battery has failure or failure risk and send in time
Alarm, significantly improves the reliability of train battery safety monitoring, can effectively monitor the operation of rail traffic vehicles battery
Safety, prevents battery and polytype accident such as overheat, burn, can not power, and has ensured that vehicle and passenger are meeting an urgent need
In the case of safety.
Brief description of the drawings
Fig. 1 is the structural representation of the Vehicular battery safety monitoring system of a preferred embodiment of the present invention.
Fig. 2 shows for sensing data collecting unit in the Vehicular battery safety monitoring system of a preferred embodiment of the present invention
It is intended to.
Embodiment
Provide present pre-ferred embodiments below in conjunction with the accompanying drawings, to describe technical scheme in detail, but not because
This is limited the present invention among described scope of embodiments.
With reference to shown in Fig. 1, the Vehicular battery safety monitoring system of a preferred embodiment of the present invention include 2 battery cases and
Two drivers' cabs positioned at two ends, two terminals of warning are located in two drivers' cabs respectively, and each battery case is equipped with one group of storage
Battery.Because the cell safety monitoring for each battery case is identical, therefore the following battery only for a battery case
Equipment involved by safety monitoring is illustrated.The Vehicular battery safety monitoring system also includes battery monitor unit 101, communication
Unit 102, all the way sensor monitoring unit, order wire 401 and two-way train-line 402,403.Wherein, sensor monitoring unit includes passing
Feel data acquisition unit 103, Smoke Sensor 104, temperature sensing cable 105 and current sensor 106.
As shown in figure 1, in battery case 1, battery monitor unit 101 is connected with communication unit 102, Smoke Sensor 104,
Temperature sensing cable 105, current sensor 106 are connected with sensing data collecting unit 103 respectively.Terminal of warning 301 is arranged on train
Front end drivers' cab, another terminal of warning installed in train rear end drivers' cab, sensing data collecting unit 103 by train-line 402,
403 are connected with terminal of warning.Communication unit 102 is then connected by order wire 401 with terminal of warning.
In battery case, battery monitor unit 101 completes the measurement of the operational factor detailed to battery, the present embodiment
In, operational factor includes monomer battery voltage, battery total voltage, battery total current, dump energy, insulaion resistance and battery
Temperature etc..
Smoke Sensor 104 is directed at the bleeder valve or safety valve of battery, for detecting loaded on above battery on position
The smog that battery is produced.Smoke Sensor 104 is output as switching value, is set to relay normally closed contact, if battery mistake
Heat is glowed and produces smog, is escaped from battery bleeder valve or safety valve or other positions, into Smoke Sensor 104.When
Smokescope reaches the alarm threshold value of Smoke Sensor 104, then the output alarm contact of Smoke Sensor 104 disconnects, to sensing
Data acquisition unit 103 sends smog alarm signal.
Temperature sensing cable 105 is wound in battery cell case and lead-out terminal, completes battery overheating detection.Temperature sensing cable 105
It is the special sensor of a class responsive to temperature type, when temperature is below alarm threshold value to cable everywhere, its two cored wires, which are presented, to be opened
Line state；When cable somewhere is heated, when temperature rises to alarm threshold value, the insulating materials between destruction cored wire, two cored wires are in
Existing short-circuit condition.Temperature sensing cable 105 is wound in battery cell case and lead-out terminal, can monitor whether accumulator body overheats,
Whether can be overheated with monitoring output simultaneously.It is many to be fixed using bolt because accumulator terminal and wire are connected.In train
Under vehicle-mounted frequent vibration environment, bolt easily loosens.If bolt looseness, cause wire and termination contact bad, contact resistance
Increase.In the case where battery total current is constant, according to formula W=I of current work2Knowable to R, the heat that contact surface is produced
Increase, temperature rises, and temperature rising causes the resistance of terminal further to increase, and generates heat more serious, forms positive feedback.This is most
Contact surface is may result in eventually to generate heat rapidly, or even terminal fusing.Therefore, temperature sensing cable 105 can effectively monitor whether terminal is sent out
Heat, such a potential faults are detected in heating early stage.
Current sensor 106 and sensing data collecting unit 103 are connected, and its current measurement end is connected on battery master and returned
Road, monitors the total current of the battery flowed through, prevents battery overcurrent damage, and prevent because excessively stream heating triggers battery combustion
The major accidents such as burning.Current sensor 106 uses the current sensor of belt current overload alarm function, when total current excessively stream,
Sensor output alarm normally closed contact is disconnected, and excessively stream alarm signal is sent to sensing data collecting unit 103.
The connection of sensing data collecting unit 103 Smoke Sensor 104, temperature sensing cable 105 and current sensor 106,
Perceive whether battery operating mode abnormal, and in real time detection Smoke Sensor 104, current sensor 105 line it is whether intact.Pass
Sense data acquisition unit is connected by the train-line 402 with the terminal of warning.
As shown in Fig. 2 the sensing data collecting unit 103 of the present embodiment is main by programmable frequency impulse generator, electricity
Sub switch and dc source composition.Programmable frequency impulse generator has 3 control inputs, respectively control input 51, control
System input 52 and control input 53.Control input 51 connects Smoke Sensor, the connection temperature sensing cable of control input 52, control input
53 connection current sensors.Programmable frequency impulse generator characteristic therein is as shown in table 1.
The programmable frequency impulse generator function of table 1 illustrates table
The output driving electronic switch of programmable frequency impulse generator, when it is output as high level, electronic switch conducting,
Dc source constitutes closed-loop path by electronic switch, train-line 402 and terminal of warning, and produces electric current.And when its be output as it is low
During level, electronic switch disconnects, and dc source is prohibited outside output, train-line 402 and the equal no current of terminal of warning.Frequency can
Programming pulse generator output f0~f7 amounts to 8 kinds of frequency pulse control electronic switch on or off, by the defeated of dc source
Go out current-modulation into corresponding frequencies pulse, terminal of warning is sent to through train-line.
Specifically, when battery-operated is normal, the alarm of the Smoke Sensor 104 normally closed contact closure, and the sense
Warm cable 105 is opened a way, and the alarm normally closed contact closure of the current sensor 106.Meanwhile, the sensing data collecting unit
103 is working properly, and Smoke Sensor 104 is intact to sensing data collecting unit connecting wire, and current sensor 106 is to biography
Feel data acquisition unit connecting wire intact, in this case, sensing data collecting unit 103 exports the electric current of f0 frequencies
Pulse, the terminal of warning is transferred to by the train-line.If battery produces smog, the Smoke Sensor alarm is triggered
Normally closed contact disconnects, then sensing data collecting unit transmission frequency f1 current impulses；If battery is overheated, the temperature-sensitive electricity is triggered
Cable short circuit, then sensing data collecting unit transmission frequency f2 current impulses；If battery over-current, the current sense is triggered
Device, its normally closed contact can disconnect, then the f3 current impulses of sensing data collecting unit transmission frequency；If Smoke Sensor and temperature-sensitive electricity
Cable is triggered simultaneously, then the f4 current impulses of sensing data collecting unit transmission frequency；If Smoke Sensor and current sensor are same
When be triggered, then sensing data collecting unit transmission frequency f5 current impulses；If temperature sensing cable and current sensor are touched simultaneously
Hair, then sensing data collecting unit transmission frequency f6 current impulses；If Smoke Sensor, temperature sensing cable and current sensor are simultaneously
It is triggered, then the f7 current impulses of sensing data collecting unit transmission frequency.
The serial communication data that the terminal parsing of warning is received, shows battery parameters, and decide whether triggering report
It is alert.Terminal of warning and the direct serial communication of communication unit 102 use secure communication protocols, it may have the spy of fault-safety principle
Levy.When communication unit 102 is working properly, regularly measurement data is sent to terminal 301 of warning.If terminal of warning 301 is in regulation
The data of communication unit 102,202 are not received in time, then is considered as the failure of communication unit 102 or order wire 401 disconnects, will be prompted to
Equipment fault, asks driver and conductor to note.
Terminal of warning also parses the current pulse frequency feature that train-line 402,403 is transmitted, and checks train-line 401,402
It is whether intact, decide whether triggering alarm.If train-line 402,403 is intact, and sensing data collecting unit is working properly, then
Terminal of warning can receive the current impulse of f0 frequencies, point out alarm free, and equipment is normal.If receiving the electric current of f1~f7 frequencies
Pulse, then terminal of warning sends corresponding alarm.If train-line 402,403 is interrupted, terminal of warning can not receive current impulse, then
Point out equipment fault.
Terminal of warning is warned using acousto-optic combination.The combination that the present embodiment is used is warned mode, is by LCD liquid crystal displays
The vision devices such as device, LED alarm lamps and buzzer are combined.Redundancy is constituted using two kinds of combinations of acousto-optic, when wherein one
When planting equipment failure, as long as another equipment of warning does not fail simultaneously, then terminal of warning remains to maintain alarm function.According to reliable
Property it is theoretical, the probability that two kinds of equipment fail simultaneously is much smaller than a kind of failure probability of equipment.Therefore, above-mentioned acousto-optic combination is warned
It is effectively improved the reliability for unit of warning.
Although the foregoing describing the embodiment of the present invention, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
On the premise of principle and essence from the present invention, various changes or modifications can be made to these embodiments, but these are changed
Protection scope of the present invention is each fallen within modification.
Claims (9)
1. a kind of Vehicular battery safety monitoring system, it is characterised in that including：One battery monitor unit, a communication unit, one pass
Sense monitoring unit, one warn unit, order wire and train-line；
The battery monitor unit is used to measure the duty parameter of Vehicular battery and sends the duty parameter measured to the communication unit
Member, duty parameter includes at least one of following parameter：The monomer voltage of Vehicular battery, total voltage, electric current, dump energy,
Insulaion resistance and temperature；
The communication unit is used to by order wire transmit the duty parameter received to the unit of warning；
The sensor monitoring unit is used to detecting the environmental physicses amount of working environment residing for Vehicular battery, and by the environment thing detected
Reason amount is transmitted to the unit of warning by train-line, and environmental physicses amount includes at least one of following parameter：Smokescope, temperature
The electric current at node is preset in degree, circuit；
The unit of warning is used for according to the environmental physicses amount that receives and duty parameter generation alert messages, and output warns letter
Breath.
2. Vehicular battery safety monitoring system as claimed in claim 1, it is characterised in that the battery monitor unit is used to electricity
The numerical measuring of road analog quantity is to obtain duty parameter, and the sensor monitoring unit obtains environmental physicses using sensing technology detection
Amount.
3. Vehicular battery safety monitoring system as claimed in claim 1, it is characterised in that the order wire is used to lead to using data
Letter transmission duty parameter, the sensor monitoring unit includes sensing equipment and a processing unit, and sensing equipment is used to detect environment thing
Reason amount is simultaneously sent to the processing unit, and the processing unit is used to be changed the environmental physicses amount received according to default transformation rule
Transmitted for frequency current pulse and then by frequency current pulse by train-line to the unit of warning；
The unit of warning be used for parse the frequecy characteristic of frequency current pulse that receives, and according to the frequency current arteries and veins received
Punching and duty parameter generate alert messages, and export alert messages.
4. Vehicular battery safety monitoring system as claimed in claim 3, it is characterised in that the processing unit is stored with each ring
The span of border physical quantity, the processing unit is used to judge whether the environmental physicses amount received exceeds corresponding span,
And according to default first transformation rule will beyond the environmental physicses amount of corresponding span be converted to frequency current pulse, so
Frequency current pulse is transmitted to the unit of warning by train-line afterwards.
5. Vehicular battery safety monitoring system as claimed in claim 3, it is characterised in that transformation rule regulation, Mei Yihuan
One frequency of border physical quantity respective frequencies current impulse.
6. Vehicular battery safety monitoring system as claimed in claim 4, it is characterised in that first transformation rule regulation, often
One frequency of one environmental physicses amount respective frequencies current impulse.
7. the Vehicular battery safety monitoring system as described in claim 3 or 4, it is characterised in that sensing equipment is passed including smog
Sensor, current sensor and temperature sensing cable, Smoke Sensor and current sensor are connected using normally closed contact with the processing unit.
8. Vehicular battery safety monitoring system as claimed in claim 1, it is characterised in that the unit of warning is additionally operable to pre- one
If output equipment fault alarm in the case that duration does not receive environmental physicses amount or do not receive duty parameter.
9. Vehicular battery safety monitoring system as claimed in claim 1, it is characterised in that the unit of warning includes being used to export
A visual alarm and an audio alarms for alert messages.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410394911.7A CN104215823B (en) | 2014-08-12 | 2014-08-12 | Vehicular battery safety monitoring system |
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| CN201410394911.7A CN104215823B (en) | 2014-08-12 | 2014-08-12 | Vehicular battery safety monitoring system |
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| CN104215823B true CN104215823B (en) | 2017-09-08 |
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| CN104777762A (en) * | 2015-03-24 | 2015-07-15 | 惠州Tcl移动通信有限公司 | Vehicle-mounted system monitoring method and terminal thereof |
| US10978903B2 (en) | 2018-01-15 | 2021-04-13 | Ford Global Technologies, Llc | Cell specific traction battery monitoring |
| CN110550069B (en) * | 2018-06-01 | 2020-11-06 | 比亚迪股份有限公司 | Data transmission method, device and system for rail transit vehicle |
| CN108923994A (en) * | 2018-09-10 | 2018-11-30 | 珠海格力电器股份有限公司 | A kind of communication fault detection method and device |
| CN110967643B (en) | 2019-04-30 | 2021-01-22 | 宁德时代新能源科技股份有限公司 | Thermal runaway detection circuit and method |
| CN110967642B (en) | 2019-04-30 | 2021-05-18 | 宁德时代新能源科技股份有限公司 | Thermal runaway detection circuit and method |
| CN110596600A (en) * | 2019-07-27 | 2019-12-20 | 广东毓秀科技有限公司 | Rail transit battery maintenance prediction method based on battery life calculation table |
| CN112581715B (en) * | 2020-12-10 | 2022-03-04 | 珠海格力电器股份有限公司 | Battery high-temperature alarm method, device and system |
| CN112652142A (en) * | 2020-12-31 | 2021-04-13 | 武汉理工大学 | Ship power battery fire monitoring system and method |
| CN113119737B (en) * | 2021-04-28 | 2023-02-21 | 中国第一汽车股份有限公司 | Power battery thermal runaway monitoring device and method and power battery system |
| CN115424403A (en) * | 2022-09-05 | 2022-12-02 | 潍柴动力股份有限公司 | Fuel cell fire detection method and device and vehicle |
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| JP3209457B2 (en) * | 1992-12-11 | 2001-09-17 | 本田技研工業株式会社 | Battery remaining capacity detection method |
| CN101624017B (en) * | 2009-08-13 | 2011-06-15 | 顾金华 | System for managing continuous status of batteries of electric motorcar |
| CN102386672A (en) * | 2011-11-23 | 2012-03-21 | 南京禾浩通信科技有限公司 | Standby power supply control system based on fuel cell |
| CN102722968B (en) * | 2012-06-29 | 2014-03-12 | 山东电力集团公司电力科学研究院 | Electric automobile safety prewarning protection system and method based on cloud service vehicle-mounted terminal |
| CN103529728B (en) * | 2013-09-25 | 2016-03-23 | 惠州市亿能电子有限公司 | A kind of battery management system possessing multiple safety detection function |
| CN204008836U (en) * | 2014-07-15 | 2014-12-10 | 珠海派诺科技股份有限公司 | A kind of circuit that can simultaneously measure combined-voltage |
| CN204008826U (en) * | 2014-08-12 | 2014-12-10 | 上海申通地铁集团有限公司 | Vehicular battery safety monitoring system |
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