Summary of the invention
The object of the present invention is to provide a kind of light bus two-way redundant safety high-tension apparatus and control system thereof and control method.
One of for achieving the above object, the invention provides a kind of light bus two-way redundant safety high-tension apparatus, described light bus two-way redundant safety high-tension apparatus comprises: power battery pack;
Power-supply management system unit, electric machine controller, high pressure annex between the both positive and negative polarity being connected to described power battery pack by high-tension cable;
Entire car controller, described entire car controller is connected to described power-supply management system unit;
Drive motor, described drive motor is connected to described electric machine controller;
Wherein, described power battery pack comprises the power brick of at least two group parallel connections, and in described light bus two-way redundant safety high-pressure system is run, have at least a Battery pack bag to provide electric power for described power-supply management system unit, entire car controller, electric machine controller, drive motor, high pressure annex.
As a further improvement on the present invention, described high pressure annex comprises: DC-DC voltage transformer, air conditioning warm air heating module, air conditioner compressed machine controller, inflation pump frequency converter, steering pump frequency converter, charging inlet, high-voltage fuse, preliminary filling resistance, current sensor, what arrange near described battery anode pulls cut-off switch, and near the high-voltage relay that described battery electrode is arranged.
One of for achieving the above object, the invention provides a kind of control system of light bus two-way redundant safety high-tension apparatus, described system comprises:
Monitoring modular, for the operational factor of light bus two-way redundant safety high-tension apparatus described in Real-Time Monitoring;
Processing module, for receiving described operational factor, and adjusts the running power of described light bus two-way redundant safety high-tension apparatus according to the described operational factor of monitoring.
As a further improvement on the present invention, described processing module specifically for: judge the type of alarm of described light bus two-way redundant safety high-tension apparatus according to the described operational factor of monitoring, and to should the alert levels of type of alarm;
The running power of described light bus two-way redundant safety high-tension apparatus is adjusted according to the alert levels of the described type of alarm determined;
Described operational factor comprises: at least one in voltage parameter, current parameters, temperature parameter, electrical parameter, resistance parameter, BMU parameter, VMS parameter;
Described type of alarm comprises: monomer over voltage alarm, monomer undervoltage warning, monomer pressure reduction is reported to the police, battery total voltage height is reported to the police, the low warning of battery total voltage, battery total voltage pressure reduction is reported to the police, battery high-temperature is reported to the police, battery low-temperature warning, the battery temperature difference is reported to the police, the low warning of battery SOC, battery recharges the electric current system of transfiniting and reports to the police, the battery discharge current system of transfiniting is reported to the police, the battery charge system of transfiniting is reported to the police, the low warning of battery PACK insulation resistance, MSD fault alarm, BMU internal communication fault alarm, fault alarm is lost in VMS and car load communication, car load power in 24V abnormal alarm at least one,
Described alert levels is at least 2 grades.
As a further improvement on the present invention, the equal corresponding alarm threshold value of each operational factor, cancellation threshold value;
Described processing module is also for judging whether any one operational factor received reaches alarm threshold value or cancel threshold value;
If described processing module judges that any one operational factor received reaches alarm threshold value or cancels threshold value, then according to alarm threshold value or time length determination type of alarm and the alert levels of cancelling threshold value.
As a further improvement on the present invention, described alert levels is 3 grades altogether, is respectively 1 grade, 2 grades, 3 grades;
If described processing module judges that alert levels is as 1 grade, be then adjusted to default running power by described running power, meanwhile, ensure that described light bus two-way redundant safety high-tension apparatus continues to run;
If judge, alert levels is as 2 grades, be then adjusted to 0 by described running power, and ask described light bus two-way redundant safety high-tension apparatus out of service;
If judge, alert levels is as 3 grades, be then adjusted to 0 by described running power, and send infringement battery performance fault alarm;
Described default running power is less than or equal to 50% of running power when described light bus two-way redundant safety high-tension apparatus normally works.
One of for achieving the above object, the invention provides a kind of control method of light bus two-way redundant safety high-tension apparatus, described method comprises:
The operational factor of light bus two-way redundancy high-voltage equipment described in Real-Time Monitoring;
The running power of described light bus two-way redundancy high-voltage equipment is adjusted according to the described operational factor of monitoring.
As a further improvement on the present invention, " running power of described light bus two-way redundancy high-voltage equipment is adjusted according to the described operational factor of monitoring; " specifically comprise:
The type of alarm of described light bus two-way redundancy high-voltage equipment is judged according to the described operational factor of monitoring, and to should the alert levels of type of alarm;
The running power of described light bus two-way redundancy high-voltage equipment is adjusted according to the alert levels of the described type of alarm determined;
Described operational factor comprises: at least one in voltage parameter, current parameters, temperature parameter, electrical parameter, resistance parameter, BMU parameter, VMS parameter;
Described type of alarm comprises: monomer over voltage alarm, monomer undervoltage warning, monomer pressure reduction is reported to the police, battery total voltage height is reported to the police, the low warning of battery total voltage, battery total voltage pressure reduction is reported to the police, battery high-temperature is reported to the police, battery low-temperature warning, the battery temperature difference is reported to the police, the low warning of battery SOC, battery recharges the electric current system of transfiniting and reports to the police, the battery discharge current system of transfiniting is reported to the police, the battery charge system of transfiniting is reported to the police, the low warning of battery PACK insulation resistance, MSD fault alarm, BMU internal communication fault alarm, fault alarm is lost in VMS and car load communication, car load power in 24V abnormal alarm at least one,
Described alert levels is at least 2 grades.
As a further improvement on the present invention, the equal corresponding alarm threshold value of each operational factor, cancellation threshold value;
Judge whether any one operational factor received reaches alarm threshold value or cancel threshold value;
If any one operational factor described reaches alarm threshold value or cancels threshold value, then according to alarm threshold value or time length determination type of alarm and the alert levels of cancelling threshold value.
As a further improvement on the present invention, described alert levels is 3 grades altogether, is respectively 1 grade, 2 grades, 3 grades;
Described method also comprises:
If judge, alert levels is as 1 grade, be then adjusted to default running power by described running power, meanwhile, ensures that described light bus two-way redundant safety high-tension apparatus continues to run;
If judge, alert levels is as 2 grades, be then adjusted to 0 by described running power, and ask described light bus two-way redundant safety high-tension apparatus out of service;
If judge, alert levels is as 3 grades, be then adjusted to 0 by described running power, and send infringement battery performance fault alarm;
Described default running power is less than or equal to 50% of running power when described light bus two-way redundant safety high-tension apparatus normally works.
Compared with prior art, the invention has the beneficial effects as follows: light bus two-way redundant safety high-tension apparatus of the present invention and control system thereof and control method, the power brick arranging at least two group parallel connections is powered to whole light bus, when after a wherein road power brick et out of order, other power brick still can ensure the operation of described light bus according to the rating horsepower preset, reserve sufficient time arrival perch to the light bus that power failure occurs, and then ensure the safety of driver and passenger.
Detailed description of the invention
Describe the present invention below with reference to detailed description of the invention shown in the drawings.But these embodiments do not limit the present invention, the structure that those of ordinary skill in the art makes according to these embodiments, method or conversion functionally are all included in protection scope of the present invention.
As shown in Figure 1, light bus two-way redundant safety high-tension apparatus provided by the invention comprises: power battery pack 11, power-supply management system unit 12, entire car controller 13, electric machine controller 14, drive motor 15, high pressure annex (mark), high-tension cable (mark); Power-supply management system unit 12, electric machine controller 14, described high pressure annex is connected between the both positive and negative polarity of power battery pack 11 by described high-tension cable; Entire car controller 13 is connected to power-supply management system unit 12, for controlling the operation of light bus two-way redundant safety high-pressure system 10; Drive motor 15 is connected to electric machine controller 14, is controlled the opening and closing of drive motor 14 by electric machine controller 13.
Wherein, power battery pack 11 comprises the power brick of at least two group parallel connections, in described light bus two-way redundant safety high-tension apparatus runs, have that a Battery pack bag is power-supply management system unit 12, entire car controller 13, electric machine controller 14, drive motor 15, high pressure annex provide electric power at least.
In an embodiment of the present invention, described high pressure annex comprises: the DC-DC voltage transformer 161 be arranged in parallel, air conditioning warm air heating module 162, air conditioner compressed machine controller 163, inflation pump frequency converter 164, steering pump frequency converter 165, charging inlet 166; The multiple high-voltage fuses 167 be arranged in series with umformer 161, air conditioning warm air heating module 162, air conditioner compressed machine controller 163, inflation pump frequency converter 164, steering pump frequency converter 165 respectively, the preliminary filling resistance 168 be arranged in series with high-voltage fuse 167, and the current sensor 169 being connected to power-supply management system unit 12.
In part described high pressure annex process of charging, power-supply management system unit 12 controls preliminary filling process, prevents because powered on moment rush of current is excessive and cause burning described high pressure annex.In present embodiment; employing arranges preliminary filling resistance 168; the charging current of filter capacitor is limited, the umformer 161 arranged to protect series connection with it, air conditioning warm air heating module 162, air conditioner compressed machine controller 163, inflation pump frequency converter 164, steering pump frequency converter 165, high-voltage fuse 167 in process of charging.
In an embodiment of the present invention, described high pressure annex also comprises: what arrange near power battery pack 11 positive pole pulls cut-off switch 170, and near the high-voltage relay 171 that power battery pack 11 negative pole is arranged, high-voltage relay 171 is controlled by power-supply management system unit 12, guarantees the safety of high voltage circuit.
In the concrete example of the present invention one, power battery pack 11 comprises the power brick of two groups of parallel connections, described power brick identifies with battery, power-supply management system unit identifies with BWU, entire car controller identifies with VMS, electric machine controller identifies with MCU, current sensor identifies with Currents sensor, preliminary filling resistance identifies with PerCh, DC-DC voltage transformer identifies with DC-DC, air conditioning warm air heating module identifies with PTC, air conditioner compressed machine controller identifies with AC, inflation pump frequency converter identifies with Braking Sys, steering pump frequency converter identifies with Steering Sys, high-voltage fuse identifies with Fuse, charging inlet identifies with Charging Connector, pull cut-off switch to identify with MSD.
Light bus two-way redundant safety high-tension apparatus of the present invention, power to whole light bus two-way redundant safety high-tension apparatus by the power brick of at least two group parallel connections, when after the power brick et out of order of arbitrary road, other power brick is still had to ensure the operation of described light bus according to the rating horsepower preset, reserve sufficient time arrival perch to the light bus that power failure occurs, and then ensure the safety of driver and passenger.
Shown in composition graphs 3, the control system of the light bus two-way redundant safety high-tension apparatus of an embodiment of the present invention, described system comprises: monitoring modular 100, processing module 200.
Monitoring modular 100 is for the operational factor of light bus two-way redundant safety high-tension apparatus described in Real-Time Monitoring.
Described operational factor comprises: one or more in voltage parameter, current parameters, temperature parameter, electrical parameter, resistance parameter, BMU parameter, VMS parameter etc.
Processing module 200 is for adjusting the running power of described light bus two-way redundant safety high-tension apparatus according to the described operational factor of monitoring.
In the specific embodiment of the invention, described running power comprises: can allow maximum charge power, can allow maximum discharge power and can allow maximum charge-discharge electric power.
In the concrete example of the present invention one, processing module 200 judges the type of alarm of light bus two-way redundant safety high-tension apparatus according to the described operational factor of monitoring, and to should the alert levels of type of alarm; The running power of described light bus two-way redundant safety high-pressure system is adjusted according to the alert levels of the described type of alarm determined.
Described type of alarm comprises: monomer over voltage alarm, monomer undervoltage warning, monomer pressure reduction is reported to the police, battery total voltage height is reported to the police, the low warning of battery total voltage, battery total voltage pressure reduction is reported to the police, battery high-temperature is reported to the police, battery low-temperature warning, the battery temperature difference is reported to the police, the low warning of battery SOC, battery recharges the electric current system of transfiniting and reports to the police, the battery discharge current system of transfiniting is reported to the police, the battery charge system of transfiniting is reported to the police, the low warning of battery PACK insulation resistance, MSD fault alarm, BMU internal communication fault alarm, fault alarm is lost in VMS and car load communication, car load power in 24V abnormal alarm at least one.
In an embodiment of the present invention, processing module 200 specifically for: the type of alarm determined according to described voltage parameter is monomer over voltage alarm, monomer undervoltage warning, monomer pressure reduction are reported to the police, the high warning of battery total voltage, the low warning of battery total voltage, the warning of battery total voltage pressure reduction, MSD fault alarm, car load are powered 24V abnormal alarm one of them;
The type of alarm determined according to described current parameters is that the battery charge system of transfiniting is reported to the police;
The type of alarm determined according to described temperature parameter is battery high-temperature warning, battery low-temperature warning, the battery temperature difference report to the police one of them;
The type of alarm determined according to described electrical parameter is the low warning of battery SOC, battery recharge electric current transfinite system report to the police, battery discharge current transfinite system report to the police one of them;
Be the low warning of battery PACK insulation resistance according to the type of alarm that described resistance parameter is determined;
Be BMU internal communication fault alarm according to the type of alarm that described BMU parameter is determined;
Be that fault alarm is lost in VMS and car load communication according to the type of alarm that described VMS parameter is determined.
Further, the equal corresponding alarm threshold value of each operational factor, cancellation threshold value; Processing module 200 is also for judging whether any one operational factor received reaches alarm threshold value or cancel threshold value; If described processing module judges that any one operational factor received reaches alarm threshold value or cancels threshold value, then according to alarm threshold value or time length determination type of alarm and the alert levels of cancelling threshold value.The running power of described light bus two-way redundant safety high-pressure system is further adjusted according to the alert levels of the described type of alarm determined.
In embodiment included by the present invention, described alert levels can be multistage according to requirements set, and in present embodiment, described alert levels is at least 2 grades.In of the present invention one concrete example, described alert levels is divided into 1 grade, 2 grades, 3 grades totally three ranks; If described entire car controller judges that alert levels is as 1 grade, be then adjusted to default running power by described running power, meanwhile, ensure that described light bus two-way redundant safety high-pressure system continues to run; If judge, alert levels is as 2 grades, be then adjusted to 0 by described running power, and ask described light bus two-way redundant safety high-pressure system out of service; If judge, alert levels is as 3 grades, be then adjusted to 0 by running power, and send infringement battery performance fault alarm.
Shown in composition graphs 1, in the concrete example of the present invention one, monitoring modular 100 corresponding power management system unit 12; The corresponding entire car controller 13 of processing module 200.
The operational factor of power-supply management system unit 12 Real-Time Monitoring power battery pack 11.
The operational factor of entire car controller 13 real-time reception power-supply management system unit 12 monitoring, and according to described operational factor motivation of adjustment battery pack 11, the electric machine controller 14 of monitoring, drive motor 15, the running power of high pressure annex.
Described default running power is less than or equal to 50% of running power when described light bus two-way redundant safety high-tension apparatus normally works.
Further, entire car controller 13 judges whether to need to send alerting signal according to the described operational factor of monitoring, if so, determines the type of alarm of described light bus two-way redundant safety high-tension apparatus, and to should the alert levels of type of alarm; And further according to alert levels motivation of adjustment battery pack 11, the electric machine controller 14 of the described type of alarm determined, drive motor 15, the running power of high pressure annex.
Further, corresponding alerting signal can also be sent, as early as possible described lilliput car is driven to safety zone with the chaufeur of pointing out driving to be provided with the light bus of this light bus two-way redundant safety high-tension apparatus and carry out subsequent treatment.
Shown in following synopsis, the control policy synopsis of the light bus two-way redundancy high-voltage equipment that this synopsis provides for an embodiment of the present invention, is specially described type of alarm, alert levels, the described running power of light bus two-way redundant safety high-tension apparatus, the synopsis of operational factor.
It should be noted that, maximum charge power X can be allowed, maximum discharge power Y can be allowed, X, Y, Z in maximum charge-discharge electric power Z can be allowed to be percentum, if operational factor is all set to 100%, so 0<X≤50%, 0<Y≤50%, 0<Z≤50% when the power brick in described light bus two-way redundant safety high-tension apparatus all normally being worked.In the preferred embodiment for the present invention, the value of described X, Y, Z is 50%.
Synopsis as implied above, if monitoring voltage parameter is 4.18V, time length is 5S, be then judged to be that type of alarm is monomer over voltage alarm, alert levels is 1 grade, can judge to have at least a road power brick to send out fault; Further, the allowed maximum charge power adjusting described light bus two-way redundant safety high-tension apparatus is X, and then the light bus ensureing to be provided with this light bus two-way redundant safety high-tension apparatus can continue to run a period of time, after making it arrive safety zone, does detailed detection.
Report to the police at this 1 grade and continue in generating process, monitoring voltage parameter redirect is further 4.13V, and time length is 0.2s, then remove above-mentioned 1 grade of alerting signal, judges that light bus two-way redundant safety high-tension apparatus normally runs.
If monitoring voltage parameter is 4.2V, time length is 5S, be then judged to be that type of alarm is monomer over voltage alarm, alert levels is 2 grades, can judge described power battery pack et out of order; Further, the allowed maximum charge power adjusting described light bus two-way redundant safety high-tension apparatus is 0, and then request is provided with the light bus execution parking action of this light bus two-way redundant safety high-tension apparatus.
Report to the police at these 2 grades and continue in generating process, monitoring voltage parameter redirect is further 4.15V, and time length is 0.2s, then remove above-mentioned 2 grades of alerting signals, judges that light bus two-way redundant safety high-tension apparatus normally runs.
If monitoring voltage parameter is 4.25V, time length is 5S, be then judged to be that type of alarm is monomer over voltage alarm, alert levels is 3 grades, can be judged to be serious infringement battery performance fault; Further, the allowed maximum charge power adjusting described light bus two-way redundant safety high-tension apparatus is 0, and then request is provided with the light bus execution parking action of this light bus two-way redundant safety high-tension apparatus, meanwhile, the alert signal that serious infringement battery performance fault report occurs light bus two-way redundant safety high-tension apparatus described in this is sent.
If continue in generating process in this warning, monitoring voltage parameter redirect is further 4.2V, and time length is 0.2s, then remove above-mentioned 2 grades of alerting signals, judges that light bus two-way redundant safety high-tension apparatus normally runs.
Below be only that monomer over voltage alarm makes an explanation to type of alarm in synopsis as implied above, other type of alarm is no longer described in detail, those skilled in the art can know detailed control policy of the present invention according to above-mentioned explanatory note and table content, are not described in detail at this.
In addition, it should be noted that, in synopsis as implied above, the unit of temperature parameter is " degree Celsius ", PHEV represents that the light bus being provided with this light bus two-way redundant safety high-tension apparatus is plug-in hybrid light bus, and EV is expressed as pure electric light bus.Certainly; the numerical value producing corresponding above-mentioned type of alarm and the operational factor corresponding to alert levels can adjust according to actual needs; illustrated synopsis is exemplary enumerating, and can not be used for limiting protection scope of the present invention, not be described in detail at this.
Shown in composition graphs 1, Fig. 3, in the embodiment of the invention, if the operational factor that power-supply management system unit 12 monitors is voltage parameter, described voltage parameter is 4.18V, its time continued is 5S, and the voltage parameter monitored is sent to entire car controller 13
After entire car controller 14 receives this voltage parameter, itself and shown synopsis are compared, determine that its type of alarm is monomer over voltage alarm, alert levels is 1 grade; Further, processing module 200 sends instructions to monitoring modular 100, and be 50% by the allowed maximum charge power that monitoring modular 100 adjusts described light bus two-way redundant safety high-tension apparatus, so, described light bus two-way redundant safety high-tension apparatus can continue to run, and then the light bus ensureing to be provided with this light bus two-way redundant safety high-tension apparatus can continue to run a period of time, after making it arrive safety zone, does detailed detection.
If reporting to the police at this 1 grade continues in generating process, it is 4.13V that power-supply management system unit 12 monitors voltage parameter redirect further, time length is 0.2s, then after entire car controller 14 receives this operational factor, remove above-mentioned 1 grade of alerting signal, judge that light bus two-way redundant safety high-tension apparatus normally runs.
Shown in composition graphs 2, the control method of the light bus two-way redundant safety high-tension apparatus shown in an embodiment of the present invention comprises:
The operational factor of light bus two-way redundant safety high-tension apparatus described in Real-Time Monitoring.
Described operational factor comprises: one or more in voltage parameter, current parameters, temperature parameter, electrical parameter, resistance parameter, BMU parameter, VMS parameter etc.
Further, in present embodiment, described method also comprises: the running power adjusting described light bus two-way redundant safety high-tension apparatus according to the described operational factor of monitoring.
Described running power comprises: can allow maximum charge power, can allow maximum discharge power and can allow maximum charge-discharge electric power.
In the concrete example of the present invention one, described method comprises: the type of alarm judging light bus two-way redundant safety high-tension apparatus according to the described operational factor of monitoring, and to should the alert levels of type of alarm; The running power of described light bus two-way redundant safety high-pressure system is adjusted according to the alert levels of the described type of alarm determined.
Described type of alarm comprises: monomer over voltage alarm, monomer undervoltage warning, monomer pressure reduction is reported to the police, battery total voltage height is reported to the police, the low warning of battery total voltage, battery total voltage pressure reduction is reported to the police, battery high-temperature is reported to the police, battery low-temperature warning, the battery temperature difference is reported to the police, the low warning of battery SOC, battery recharges the electric current system of transfiniting and reports to the police, the battery discharge current system of transfiniting is reported to the police, the battery charge system of transfiniting is reported to the police, the low warning of battery PACK insulation resistance, MSD fault alarm, BMU internal communication fault alarm, fault alarm is lost in VMS and car load communication, car load power in 24V abnormal alarm at least one.
In an embodiment of the present invention, described method comprises: the type of alarm determined according to described voltage parameter is monomer over voltage alarm, monomer undervoltage warning, monomer pressure reduction are reported to the police, the high warning of battery total voltage, the low warning of battery total voltage, the warning of battery total voltage pressure reduction, MSD fault alarm, car load are powered 24V abnormal alarm one of them;
The type of alarm determined according to described current parameters is that the battery charge system of transfiniting is reported to the police;
The type of alarm determined according to described temperature parameter is battery high-temperature warning, battery low-temperature warning, the battery temperature difference report to the police one of them;
The type of alarm determined according to described electrical parameter is the low warning of battery SOC, battery recharge electric current transfinite system report to the police, battery discharge current transfinite system report to the police one of them;
Be the low warning of battery PACK insulation resistance according to the type of alarm that described resistance parameter is determined;
Be BMU internal communication fault alarm according to the type of alarm that described BMU parameter is determined;
Be that fault alarm is lost in VMS and car load communication according to the type of alarm that described VMS parameter is determined.
Further, the equal corresponding alarm threshold value of each operational factor, cancellation threshold value; Described method comprises: judge whether any one operational factor received reaches alarm threshold value or cancel threshold value; If described processing module judges that any one operational factor received reaches alarm threshold value or cancels threshold value, then according to alarm threshold value or time length determination type of alarm and the alert levels of cancelling threshold value.The running power of described light bus two-way redundant safety high-pressure system is further adjusted according to the alert levels of the described type of alarm determined.
In embodiment included by the present invention, described alert levels can be multistage according to requirements set, and in present embodiment, described alert levels is at least 2 grades.In of the present invention one concrete example, described alert levels is divided into 1 grade, 2 grades, 3 grades totally three ranks; If described entire car controller judges that alert levels is as 1 grade, be then adjusted to default running power by described running power, meanwhile, ensure that described light bus two-way redundant safety high-pressure system continues to run; If judge, alert levels is as 2 grades, be then adjusted to 0 by described running power, and ask described light bus two-way redundant safety high-pressure system out of service; If judge, alert levels is as 3 grades, be then adjusted to 0 by running power, and send infringement battery performance fault alarm.
It should be noted that, above-mentioned concrete example can adopt present embodiment to realize equally, is not described in detail at this.
In sum, light bus two-way redundancy high-voltage equipment of the present invention and control method thereof and control system, the power brick arranging at least two group parallel connections is powered to whole light bus, when after a wherein road power brick et out of order, other power brick still can ensure the operation of described light bus according to the rating horsepower preset, reserve sufficient time arrival perch to the light bus that power failure occurs, and then ensure the safety of driver and passenger.
Be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present invention; they are also not used to limit the scope of the invention, all do not depart from the skill of the present invention equivalent implementations done of spirit or change all should be included within protection scope of the present invention.