CN204008826U - Vehicular battery safety monitoring system - Google Patents
Vehicular battery safety monitoring system Download PDFInfo
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- CN204008826U CN204008826U CN201420453914.9U CN201420453914U CN204008826U CN 204008826 U CN204008826 U CN 204008826U CN 201420453914 U CN201420453914 U CN 201420453914U CN 204008826 U CN204008826 U CN 204008826U
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Abstract
The utility model discloses a kind of Vehicular battery safety monitoring system.This Vehicular battery safety monitoring system comprises battery detection unit, communication unit, sensing detection unit, the unit of warning, order wire and train-line.Battery detection unit is sent to communication unit for the duty parameter of measuring vehicle battery, by communication unit, through order wire, transfers to the unit of warning.Sensing detection unit is for detection of the environmental physics amount of Vehicular battery working environment of living in and transfer to via train-line the unit of warning.Warn unit reception environment physical quantity and duty parameter, and the output information of warning.Vehicular battery safety monitoring system of the present utility model, in sampling element, data transmission link and the link of warning, all designed xenogenesis structure fault tolerant mechanism, can detect reliably battery exist fault or failure risk situation and and alarm, significantly improve the reliability that cell safety detects, ensured vehicle and the passenger safety under case of emergency.
Description
Technical field
The utility model relates to a kind of Vehicular battery safety monitoring system.
Background technology
Existing a lot of rail traffic vehicles, it is all equipped with accumulator, for standby power supply is provided.When equipment normally moves, vehicle is introduced and is exchanged or direct supply from contact net, and then produces traction power by trailer system, by auxiliary inversion system, produces accessory power supply, for example accessory power supply of direct current 110V.When contact net power-off or train auxiliary inversion system break down and cannot provide direct current supply for train, accumulator will provide reliable back-up source for train, in order to support compartment Emergency Light, air-conditioning emergency ventilation, Train Control and communication system normally to work.Therefore, the reliably working of accumulator has become the especially basic guarantee of train safe operation of vehicle, and direct relation occupant personal safety and traffic safety, need to keep high availability reliably.
Take urban railway transit train as example, and train accumulator failure may make output voltage on the low side, provides electric weight not enough, and then causes train pantograph to rise, and train cannot normally move, and directly affects circuit capacity.When train travels in subterranean tunnel, if contact net electric power system breaks down, train loses external power input, can only rely on train accumulator to provide emergency lighting and ventilation for compartment.If train accumulator exists Loss of power failure, the duration of emergency lighting and ventilation gently shortens, heavy directly forfeiture.In the situation that there is no emergency lighting, passenger is difficult to effective rapid evacuation railway carriage or compartment, and stays in compartment, and owing to there is no enough ventilations, passenger also has the risk of death by suffocation.On the other hand, if train accumulator self exists partial short-circuit fault, can produce the phenomenon of slow heating, heat accumulation may cause train catching fire to a certain extent, causes great casualties and property loss.Therefore, need to effectively promote the availability of Vehicular accumulator cell, the safety detection level of strengthening to it, improves travel safety, the particularly security under case of emergency.If can be equipped with effective storage battery safety monitoring system, will significantly improve this problem.
In the prior art, existing some patents that relate to safety detection in rail traffic vehicles accumulator field.The utility model of application number CN201310235495 has been described a kind of lithium battery group safety monitoring system based on GPRS module (GPRS is the abbreviation of general packet radio service technology General Packet Radio Service), this system comprises: sampling module, and it is arranged in battery pack system; Gateway, it connects sampling module output terminal; GPRS module, it connects gateway by CAN bus (being the abbreviation of the Controller Area Network of controller local area network), and by the long-range output of gprs system; Batteries management system, its connection electric battery detects in real time, and is connected by CAN bus with gateway; Monitoring central server, its telecommunication connects GPRS module; Display terminal, its output terminal that connects gateway receives monitor message.This utility model can make maintenance management personnel understand in real time each parameter and the running status of battery pack system, has reduced workload and has improved work efficiency, has improved the safe reliability of lithium battery systems.
The utility model of application number CN201310429399 discloses a kind of bullet train accumulator warning system, comprise data interface unit, the output terminal of described data interface unit is connected with the input end of controlling current pulser, the output terminal of described control current pulser respectively with local datastore unit, train supervision display unit is connected with data judge module, the output terminal of described data judge module is connected with the input end of remote alarms data current pulse producer with train supervision display unit respectively, the output terminal of described remote alarms data current pulse producer and GSM-R communication system (are GlobalSystem for Mobile Communications – Railway, belong to a kind of of specialized mobile radio, be exclusively used in the daily operation management of railway, the comprehensive special digital mobile communication system designing for railway communication specially).Connect, described GSM-R communication system is connected with ground control centre display terminal.The technical scheme of this utility model, effectively raises real-time, low bandwidth, the economy of the long-distance alarm of accumulator precarious position, in the situation that taking compared with low-resource, has realized dangerous timely long-distance transmissions interlock.
The utility model of application number CN201110375403 is described a kind of municipal rail train battery temp detection alarm device and control method, many places temperature acquisition point is set on accumulator surface, in scm software, set overtemperature benchmark, gather each point temperature signal, with the comparison of overtemperature benchmark, judge that whether temperature signal is normal simultaneously, without temperature signal, judge that monitoring system or circuit break down and failure logging is sent into train monitoring system, temperature signal normally carries out data-switching each point real time temperature is sent into train monitoring system demonstration, storage.Battery temp value is carried out to record, if overtemperature is reported to the police by train monitoring system, and cut off accumulator charging/discharging circuit, to guarantee the normal work of accumulator, improve service lifetime of accumulator.
The utility model of application number CN201320835396 discloses a kind of rail transit train battery management system, with the electric battery on train, manage and management information is sent to Train Control device, comprise a plurality of from control unit, from one of them battery of control unit controls electric battery, to gather voltage and the temperature of cell; One main control unit, main control unit with from control unit any be all connected, in order to gather total voltage and the total current of electric battery; CAN bus, for being connected with main control unit from control unit, also comprises a rigid line faulty circuit and a rigid line.This battery management system can not only be monitored in real time to electric battery, and when battery system or other parts of train occur that catastrophic failure need to be stopped in emergency, using rigid line fault is reliable mode.
The utility model of application number CN200710118054 has been described a kind of vehicle mounted battery monitor system, comprise central processing module and some detection modules, it directly links AD (being about to the circuit that simulating signal the is converted to digital signal) entrance of central processing module single-chip microcomputer, the digital signal of temperature collect module output is directly connected and carries out communication with the IO mouth (being input/output port) of central processing module single-chip microcomputer, I2C bus for the output of real-time time module (is Inter-Integrated Circuit bus, a kind of for connecting the twin wire universal serial bus of microcontroller and peripherals thereof, ) communicate by letter with other devices, the I2C bus interface of the output of real-time time module and single-chip microcomputer is connected, CAN communication module is directly connected with the CAN interface of single-chip microcomputer.Central processing module detects battery temperature, voltage, electric current, and battery charging and discharging electric weight is carried out to integration, estimating battery residual capacity, and when battery remaining power estimated value is during lower than threshold value, central processing module sends warning information.
The utility model of application number CN201310370619 relates to a kind of electrokinetic cell safety monitoring device, it is characterized in that at an ECU (be Electronic Control Unit, electronic control unit) on, be connected with respectively temperature detection, oxygen concentration detects, density of hydrogen detects, air pressure detects, the circuit such as GPS/GPRS communication, itself and existing power battery management system combine use, important supplement as battery management system, the great safety failure hidden danger of electrokinetic cell can be detected and make early warning, can carry out fault handling according to the fault handling standard of setting simultaneously.
The battery cell monitoring information transferring method that the utility model of application number CN103633738A discloses a kind of accumulator system, carries out the processing of classification and layering: by battery cell monitoring information, divide two classes, i.e. telemetry intelligence (TELINT) and warning information to battery cell monitoring information; For telemetry intelligence (TELINT), to the higher priority level of warning information configuration, in the engineering of transmission and processing, warning 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 these five layers of the background monitoring main frame of battery cell administrative unit, battery module managing unit, battery management system, accumulator system and higher level's master supervisory systems from lower to upper; This utility model can meet capacity requirement can effectively improve battery cell monitoring information real-time again.
The utility model of application number CN201210256401 has been described a kind of battery cell monitoring and protective device and System and method for thereof; this battery cell monitoring and protective device and a battery module are used in conjunction with, and battery cell monitoring and protective device comprise a sensing module and a control module that is electrically connected to battery module and sensing module.Whether the control module basis wherein sensing result control battery module of at least one sensing cell powers, and when generation is abnormal, cuts off in time the effect of the electric power output of battery module.
Although above-mentioned prior art all relates to for the monitoring of battery and ensures to a certain extent the normal of running status, yet it should be noted in the discussion above that prior art when accumulator is carried out to safety detection as long as wherein any one link breaks down and will cause whole monitoring system to lose efficacy.Because the major part effect of accumulator itself is just the guarantee for case of emergency, when these cases of emergency occur, be difficult to guarantee that the equipment that in safety detection, each link relates to can normally work, this just makes existing storage battery safety monitoring system or similar system still be difficult in actual use ensure that accumulator can tackle the appearance of emergency condition reliably.
Utility model content
The technical problems to be solved in the utility model is likely to lose efficacy in some cases for the monitoring of battery condition in order to overcome prior art, the reliability of monitoring is still not high enough, thereby rail vehicle still exists compared with the defect of major break down risk and potential safety hazard while in case of emergency needing to use accumulator, a kind of Vehicular battery safety monitoring system is proposed.
The utility model solves above-mentioned technical matters by following technical proposals:
The utility model provides a kind of Vehicular battery safety monitoring system, and its feature is, comprising: a battery detection unit, a communication unit, a sensing detection unit, warn unit, order wire and train-line.
This battery detection unit is used for the duty parameter of measuring vehicle battery and the duty parameter recording is sent to this communication unit, and duty parameter comprises at least one in following parameter: the monomer voltage of Vehicular battery, total voltage, electric current, dump energy, insulation resistance and temperature.This communication unit is for transferring to this unit of warning by the duty parameter receiving by order wire.
This sensing detection unit is for detection of the environmental physics amount of Vehicular battery working environment of living in, and the environmental physics amount detecting is transferred to this unit of warning by train-line, environmental physics amount comprises at least one in following parameter: the electric current of default Nodes in smokescope, temperature, circuit.This unit of warning is for reception environment physical quantity and duty parameter, and the output information of warning.
Wherein, train-line be in existing train for transmitting the circuit of related electric instruction or information, train-line need to be only wire from its function, at this, can be understood as the particular lead of transmitting related electric steering order in train for the form with electric current.Order wire allows to adopt certain existing communication protocol with mode signal transmission or the data of the communications of data.Order wire and train-line are two class wires independently, and the principle of its signal transmission or data also exists a great difference, and these two form isomery redundancy, this make the two impact due to some fault or certain environment paralyse simultaneously or malfunctioning possibility minimum.For instance, can adopt the form of serial data communication, through order wire, duty parameter is sent to the terminal of warning.In the concrete enforcement of data communication, the utility model can adopt the secure communication protocols that meets relevant international standard or national standard, thereby can effectively defend the errors of transmission such as frame losing, error code, frame order mistake, realizes the credible delivery of data.This battery detection unit can be to be located near the battery of train, gathers the parameter relevant with battery operated state.And sensing detection unit is for detection of the environmental physics amount of Vehicular battery working environment of living in, specifically, for each different physical quantity, different sensors can be set.
In optimal situation, the terminal of warning can obtain and detect all duty parameters and all environmental physics amounts obtaining, and so just can grasp the state of train battery comprehensively.But it should be noted in the discussion above that based on one or more in these parameters or physical quantity and just can judge to a certain extent that can train battery normally work.The utility model can be in the situation that data communication be broken down and is lost information transfer capability; the partial parameters that still can detection be obtained by train-line transfers to the terminal of warning; based on this part parameter, be still enough to know whether whether the state of train battery normally available in other words.Therefore, even, still can normally work substantially and realize the reliably monitoring for battery during malfunctioning or fault at the part assembly of safety monitoring system.The design of such isomery fault tolerant mechanism, can stop in emergency circumstances for the security monitoring of battery, to occur disabled status any substantially completely, thereby reliability is greatly improved for ensureing the safety of train.
Preferably, this battery detection unit employing is to the numerical measuring of circuit analog quantity to obtain duty parameter, and this sensing detection unit adopts sensing technology to detect the environmental physics amount that obtains.
Like this, just at sampling element, adopted equally isomery fault tolerant mechanism, by battery detection unit, realized analog acquisition, can detect the operation of accumulator, and the sensing measurement of objective environments such as smog, overheated, overcurrent is realized in sensing detection unit.As long as lost efficacy when this two class detects difference, the utility model just can be monitored train battery reliably.
Preferably, this order wire is used for adopting data communication mode transmission duty parameter, this sensing detection unit comprises sensing equipment and a current pulser, sensing equipment is for detection of environmental physics amount and be sent to this current pulser, this current pulser for reception environment physical quantity and by the current impulse of train-line output frequency to this unit of warning.This unit of warning is for receive frequency current impulse and duty parameter, and the output information of warning.
Form signal transmission with frequency current pulse is not only conducive to the transmission of train-line, has reduced the requirement for train-line, also guaranteed higher transfer efficiency.Which also has the ability of fault-safety principle, during sensing detection cell failure, often shows as output fixed current, does not have current impulse to change.Therefore, the train-line electric current of receiving based on the terminal of warning is for fixed value or has the variation of pulse, and the personnel of controlling can easily judge sensing detection unit or train-line breaks down, to remind driver or other operating personnel.So, with regard to having avoided, due to device fails, control personnel and be difficult to again know, thereby cause fault not got rid of in time occurring the overheated event such as on fire of battery, and jeopardize personal security.
Preferably, sensing equipment comprises smoke transducer, current sensor and temperature sensing cable, and smoke transducer adopts normally closed contact to be connected with this current pulser with current sensor.
Wherein, smoke transducer, temperature sensing cable and current sensor all can be set to the form of Sensor of Switch-Output Type.Under smoke transducer normal condition, output alarm junction closure.When the smokescope that produces when accumulator is higher, smoke transducer senses smog, and the contact of its output alarm disconnects.Under temperature sensing cable normal condition, two heart yearns are wherein in off-state.When accumulator somewhere temperature is higher and sensed by temperature sensing cable, two heart yearn closures of temperature sensing cable.When accumulator total current is normal, current sensor output alarm junction closure.When accumulator total current height is sensed by current sensor to a certain extent, the output alarm contact that current sensor is corresponding disconnects.
Below specifically arrange, can avoid when the actual generation of fault, due to the disconnection of alarm circuit or signal transmission line, all are normal to cause the personnel of alarm unit one side or this side to take for battery, bring potential safety hazard, have significantly improved the effect of security monitoring.
Preferably, this unit of warning comprises for exporting a visual alarm and a sense of hearing alarm of the information of warning.
Preferably, this visual alarm comprises a display screen, and this audio alarm device comprises a hummer.
Preferably, this unit of warning also comprises two triggers, and these two triggers are respectively used to trigger equipment fault alarm when order wire disconnection and train-line disconnection.
Meeting on the basis of this area general knowledge, above-mentioned each optimum condition, can combination in any, obtains each preferred embodiments of the utility model.
Positive progressive effect of the present utility model is:
Vehicular battery safety monitoring system of the present utility model, at sampling element, data transmission link and the link of warning have designed xenogenesis structure fault tolerant mechanism, the single equipment fault that links in safety monitoring may occur all can not cause the safety monitoring of system of the present utility model to be lost efficacy, there is the situation of fault or failure risk and send in time warning battery can be detected reliably, significantly improve the reliability that train cell safety detects, can effectively monitor the security of operation of rail traffic vehicles accumulator, prevent accumulator overheated, burning, polytype accident such as cannot power, ensured vehicle and the passenger safety under case of emergency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Vehicular battery safety monitoring system of the utility model one preferred embodiment.
Fig. 2 is the schematic diagram of sensing data collecting unit in the Vehicular battery safety monitoring system of the utility model one preferred embodiment.
Embodiment
Below in conjunction with accompanying drawing, provide the utility model preferred embodiment, to describe the technical solution of the utility model in detail, but therefore the utility model is not limited among described scope of embodiments.
Shown in figure 1, two cabs that the Vehicular battery safety monitoring system of the utility model one preferred embodiment comprises 2 battery cases and is positioned at two ends, two terminals of warning lay respectively in two cabs, and each battery case is equipped with a group storage battery.Because cell safety for each battery case detects identically, only for the cell safety of a battery case, detect related equipment and describe therefore below.This Vehicular battery safety monitoring system also comprises battery detection unit 101, communication unit 102, sensing detection unit, a-road-through letter line 401 and two-way train-line 402,403.Wherein, sensing detection unit comprises sensing data collecting unit 103, smoke transducer 104, temperature sensing cable 105 and current sensor 106.
As shown in Figure 1, in battery case 1, battery detection unit 101 is connected with communication unit 102, and smoke transducer 104, temperature sensing cable 105, current sensor 106 are connected with sensing data collecting unit 103 respectively.The terminal of warning 301 is arranged on train front end cab, and another terminal of warning is arranged on train rear end cab, and sensing data collecting unit 103 is connected with the terminal of warning by train-line 402,403.102 of communication units are connected with the terminal of warning by order wire 401.
In battery case, battery detection unit 101 completes the measurement to the detailed operational factor of accumulator, and in the present embodiment, operational factor comprises monomer battery voltage, accumulator total voltage, accumulator total current, dump energy, insulation resistance and battery temperature.
Smoke transducer 104 is loaded on accumulator top, aims at bleeder valve or the safety valve of accumulator, the smog producing for surveying accumulator on position.Smoke transducer 104 is output as switching value, is set to relay normally closed contact, if accumulator is overheated or glow and produce smog, from accumulator bleeder valve or safety valve or other positions, overflows, and enters smoke transducer 104.When smokescope is sensed by smoke transducer 104, the output alarm contact of smoke transducer 104 disconnects, and to sensing data collecting unit 103, sends smog alarm signal.
Temperature sensing cable 105 is wound in battery cell case and lead-out terminal, completes the overheated detection of accumulator.Temperature sensing cable 105 is special sensors of a class responsive to temperature type.When cable somewhere heating temperature rises, high temperature can destroy the insulating material between heart yearn, and then makes two heart yearns present short-circuit condition.Therefore, be wound in the temperature sensing cable 105 of battery cell case and lead-out terminal, can detection place accumulator body whether overheated, whether overheated can also detect lead-out terminal simultaneously.Because accumulator terminal is connected with wire, adopt bolt to fix more.Under train-installed frequent vibration environment, bolt is easily loosening.If bolt looseness, causes wire and termination contact bad, contact resistance increases.In the situation that accumulator total current is constant, according to the formula W=I of current work
2r is known, and the heat that surface of contact produces increases, and temperature rises, and temperature rising causes the resistance of terminal further to increase, and generates heat more serious, forms positive feedback.This finally will cause surface of contact to generate heat rapidly, even terminal fusing.Therefore, whether temperature sensing cable 105 effectively detection terminal generates heat, and in heating, detects in early days this kind of potential faults.
Current sensor 106 is connected with sensing data collecting unit 103, and its current measurement end is connected on accumulator major loop, detects the total current of the accumulator flowing through, and prevents that accumulator overcurrent from damaging, and prevention is because overcurrent heating causes the major accidents such as accumulator burning.Current sensor 106 detects the over-current phenomenon avoidance of total current, and when over-current phenomenon avoidance being detected, the normally closed contact of sensor disconnects, and to sensing data collecting unit 103, sends overcurrent alerting signal.
Described sensing data collecting unit 103 connects smoke transducer 104, temperature sensing cable 105 and current sensors 106, and whether perception accumulator operating mode is abnormal, and whether detect in real time the line of smoke transducer 104, current sensor 105 intact.Sensing data collecting unit through described train-line 402 with described in the terminal of warning be connected.
As shown in Figure 2, the sensing data collecting unit 103 of the present embodiment is mainly comprised of current pulser, electronic switch and direct supply.Current pulser has 3 control inputs, is respectively control inputs 51, control inputs 52 and control inputs 53.Control inputs 51 connects smoke transducer, and control inputs 52 connects temperature sensing cable, and control inputs 53 connects current sensor.Wherein, current pulser is adjusted into as shown in table 1 by circuit design by its characteristic.
Table 1 current pulser function signal table
The output of current pulser drives electronic switch, when it is output as high level, and electronic switch conducting, direct supply forms closed-loop path, generation current through electronic switch, train-line 402 and the terminal of warning.And when it is output as low level, electronic switch disconnects, direct supply is prohibited outwards to export, train-line 402 and the equal no current of terminal of warning.Current pulser output f0～f7 amounts to 8 kinds of frequency pulses and controls electronic switch conducting or cut-off, and the output current of direct supply is modulated into corresponding frequencies pulse, through train-line, is sent to the terminal of warning.
Particularly, when battery-operated is normal, described smoke transducer 104 warning normally closed contacts are closed, and described temperature sensing cable 105 open circuits, and described current sensor 106 warning normally closed contacts are closed.Simultaneously, described sensing data collecting unit 103 is working properly, and it is intact that smoke transducer 104 to sensing data collecting unit connects wire, and it is intact that current sensor 106 to sensing data collecting unit connects wire, under these circumstances, the current impulse of sensing data collecting unit 103 output f0 frequencies, the terminal of warning described in being passed to through described train-line.If accumulator produces smog, trigger described smoke transducer warning normally closed contact and disconnect, sensing data collecting unit transmission frequency f1 current impulse; If accumulator is overheated, trigger described temperature sensing cable short circuit, sensing data collecting unit transmission frequency f2 current impulse; If accumulator excess current, triggers described current sensor, its normally closed contact can disconnect, sensing data collecting unit transmission frequency f3 current impulse; If smoke transducer and temperature sensing cable are triggered simultaneously, sensing data collecting unit transmission frequency f4 current impulse; If smoke transducer and current sensor are triggered simultaneously, sensing data collecting unit transmission frequency f5 current impulse; If temperature sensing cable and current sensor are triggered simultaneously, sensing data collecting unit transmission frequency f6 current impulse; If smoke transducer, temperature sensing cable and current sensor are triggered simultaneously, sensing data collecting unit transmission frequency f7 current impulse.
The serial communication data that the described terminal parses of warning receives, shows battery parameters, and whether determines trigger alarm.The direct serial communication of the terminal of warning and communication unit 102 adopts secure communication protocols, also has the feature of fault-safety principle.When communication unit 102 is working properly, regularly to the terminal 301 of warning, send measurement data.If warn, terminal 301 is not received the data of communication unit 102,202 at the appointed time, is considered as communication unit 102 faults or order wire 401 disconnections, by prompt facility fault, asks driver and conductor to note.
If train-line 402,403 is intact, and sensing data collecting unit is all working properly, and the terminal of warning can receive the current impulse of f0 frequency, prompting alarm free, and equipment is normal.If receive the current impulse of f1～f7 frequency, the terminal of warning is sent corresponding warning.If train-line 402,403 interrupts, the terminal of warning cannot receive current impulse, prompt facility fault.
The terminal of warning adopts acousto-optic combination to warn.The embodiment that the present embodiment adopts is that the sense of hearing equipment such as the vision devices such as LCD liquid crystal display, LED alarm lamp and hummer are combined.Adopt two kinds of acousto-optics to constitute redundancy, when wherein a kind of equipment lost efficacy, as long as another kind is warned, equipment did not lose efficacy simultaneously, and the terminal of warning still can maintain alarm function.According to reliability theory, the probability that two kinds of equipment lost efficacy is simultaneously much smaller than a kind of failure probability of equipment.Therefore described acousto-optic combination is warned and has effectively been improved the reliability of the unit of warning.
Although more than described embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these changes and modification all fall into protection domain of the present utility model.
Claims (7)
1. a Vehicular battery safety monitoring system, is characterized in that, comprising: a battery detection unit, a communication unit, a sensing detection unit, warn unit, order wire and train-line;
This battery detection unit is used for the duty parameter of measuring vehicle battery and the duty parameter recording is sent to this communication unit, and duty parameter comprises at least one in following parameter: the monomer voltage of Vehicular battery, total voltage, electric current, dump energy, insulation resistance and temperature;
This communication unit is for transferring to this unit of warning by the duty parameter receiving by order wire;
This sensing detection unit is for detection of the environmental physics amount of Vehicular battery working environment of living in, and the environmental physics amount detecting is transferred to this unit of warning by train-line, environmental physics amount comprises at least one in following parameter: the electric current of default Nodes in smokescope, temperature, circuit;
This unit of warning is for reception environment physical quantity and duty parameter, and the output information of warning.
2. Vehicular battery safety monitoring system as claimed in claim 1, is characterized in that, this battery detection unit employing is to the numerical measuring of circuit analog quantity to obtain duty parameter, and this sensing detection unit adopts sensing technology to detect the environmental physics amount that obtains.
3. Vehicular battery safety monitoring system as claimed in claim 1, it is characterized in that, this order wire is used for adopting data communication mode transmission duty parameter, this sensing detection unit comprises sensing equipment and a current pulser, sensing equipment is for detection of environmental physics amount and be sent to this current pulser, this current pulser for reception environment physical quantity and by the current impulse of train-line output frequency to this unit of warning;
This unit of warning is for receive frequency current impulse and duty parameter, and the output information of warning.
4. Vehicular battery safety monitoring system as claimed in claim 3, is characterized in that, sensing equipment comprises smoke transducer, current sensor and temperature sensing cable, and smoke transducer adopts normally closed contact to be connected with this current pulser with current sensor.
5. Vehicular battery safety monitoring system as claimed in claim 1, is characterized in that, this unit of warning comprises for exporting a visual alarm and a sense of hearing alarm of the information of warning.
6. Vehicular battery safety monitoring system as claimed in claim 5, is characterized in that, this visual alarm comprises a display screen, and this audio alarm device comprises a hummer.
7. Vehicular battery safety monitoring system as claimed in claim 1, is characterized in that, this unit of warning also comprises two triggers, and these two triggers are respectively used to trigger equipment fault alarm when order wire disconnection and train-line disconnection.
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| CN104215823A (en) * | 2014-08-12 | 2014-12-17 | 上海申通地铁集团有限公司 | Vehicular battery safety monitoring system |
| CN106205029A (en) * | 2016-07-22 | 2016-12-07 | 北京航空航天大学 | A kind of electrokinetic cell thermal runaway autoalarm and method |
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| DE102020105440A1 (en) | 2020-03-02 | 2021-09-02 | Audi Aktiengesellschaft | Method for monitoring a battery by means of a sensor device, a battery with a sensor device and a motor vehicle with a battery |
| DE102020105441A1 (en) | 2020-03-02 | 2021-09-02 | Audi Aktiengesellschaft | Method for monitoring a battery by means of a sensor device, a battery with a sensor device and a motor vehicle with a battery |
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| CN104215823A (en) * | 2014-08-12 | 2014-12-17 | 上海申通地铁集团有限公司 | Vehicular battery safety monitoring system |
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