CN106240375A - Vehicle-mounted Internet intelligent control system and control method thereof - Google Patents

Vehicle-mounted Internet intelligent control system and control method thereof Download PDF

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Publication number
CN106240375A
CN106240375A CN201610682316.2A CN201610682316A CN106240375A CN 106240375 A CN106240375 A CN 106240375A CN 201610682316 A CN201610682316 A CN 201610682316A CN 106240375 A CN106240375 A CN 106240375A
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China
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power management
management module
module
battery
switch
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CN201610682316.2A
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CN106240375B (en
Inventor
于小兵
王建江
代兆洋
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HANGZHOU NEW HORIZON ELECTRIC VEHICLE Co Ltd
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HANGZHOU NEW HORIZON ELECTRIC VEHICLE Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/22—Balancing the charge of battery modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Abstract

The invention discloses vehicle-mounted internet intelligent control system and control method thereof.Relating to the vehicle-mounted Internet technical field of electric automobile, this system has electric automobile and supplies power with double circuit system, battery can be safeguarded, self-inspection, evaluation.Including battery, switch, No. two switches, power management module, low-voltage load, node, No. two nodes, No. three nodes, key switch module, full-vehicle control module and No. three switches；The positive terminal of one end of a described switch, one end of No. two switches and battery is connected on a node；The other end of No. two switches, the power interface positive terminal of No. three other end, the power interface positive terminal of power management module and the low-voltage loads switched are both connected on No. two nodes；The power interface negative pole end of the negative pole end of described battery, the power interface negative pole end of power management module, the power interface negative pole end of low-voltage load and full-vehicle control module is both connected on No. three nodes.

Description

Vehicle-mounted internet intelligent control system and control method thereof
Technical field
The present invention relates to the vehicle-mounted Internet technical field of electric automobile, be specifically related to vehicle-mounted internet intelligent control system and Its control method.
Background technology
The vehicle-mounted internet function of electric automobile is the most single at present, and major part electric automobile is turned off at key signal After, as the power management module of dynamic power system core the most just without power supply, it is impossible to power supply after key signal is turned off Management module carries out the thoroughly evaluating in terms of once safety and reliability, the most just cannot make early warning information prompting and ensure next time Safety during operation.Existing electric automobile uses i.e. inserts the charging modes i.e. filled, and intelligence degree is low.And existing electronic vapour Car, after driver is stopped, if after car is removed by people, will can not find the car of oneself when this driver goes to pick up the car, and existing The relatives of the speed speed situation driver that electric automobile on the way travels not can know that, it is achieved driver is not opened by relatives The prompting of vehicle speed speed, hommization degree is relatively low.
Summary of the invention
The present invention is to solve the existing electric automobile single above shortcomings of vehicle-mounted internet function, it is provided that a kind of Having electric automobile to supply power with double circuit system, after can guarantee that parking, power management module continues there is electricity within the setting time, can be to electricity Pond carries out safeguarding, self-inspection, evaluation, it is ensured that safety when electric automobile runs next time, eliminate unsafe factor in advance, make each single In the range of capacity difference between body is maintained at capacity difference set in advance, car is also easy to know after being removed by people, and is prone to look for To the position of the car after removing, the relatives of the speed speed situation driver that electric automobile on the way travels are also easy to know, just In the relatives of driver, driver is sent vehicle-mounted internet intelligent control system and the control method thereof of prompting message.
More than technical problem is that and to be solved by following technical proposal:
Vehicle-mounted internet intelligent control system, bears including battery, switch, No. two switches, power management module, low pressure Load, node, No. two nodes, No. three nodes, key switch module, full-vehicle control module, No. three switches, voltage sample moulds Block, electricity shift module, distribution box, GPS locator, displacement transducer, voice prompting device, controller, 3G wireless signal are received and dispatched Machine, charhing unit and smart mobile phone；Described power management module includes voltage difference balance module and capacity difference balance module, Described battery includes several monomers；The voltage acquisition end of each monomer is connected with voltage sample module respectively, each monomer Electricity transfer end be connected with electricity shift module respectively, power management module respectively with voltage sample module and electricity shift module Connect；The positive terminal of the positive source input of described distribution box, one end of a switch, one end of No. two switches and battery is even It is connected on a node；The described other end of a switch and the power interface positive terminal of full-vehicle control module are connected to No. three and open On the one end closed；The other end of No. two switches, the other end of No. three switches, the power interface positive terminal of power management module and low The power interface positive terminal of pressure load is both connected on No. two nodes；The power cathode input of described distribution box, battery negative Extremely, the power interface negative pole end of power management module, the power interface negative pole end of low-voltage load and the electricity of full-vehicle control module Source interface negative pole end is both connected on No. three nodes；The control end controlling end and described No. three switches of a described switch all divides It is not connected with key switch module；Described key switch module is connected with full-vehicle control module；Described full-vehicle control module and electricity Source control module connects；The control end of described No. two switches is connected with power management module；The feeder ear of described controller, GPS The feeder ear of localizer, the feeder ear of displacement transducer, the feeder ear of voice prompting device and the power supply of 3G wireless signal transceiver End is both connected on the power output end of distribution box, described power management module, GPS locator, displacement transducer, voice message Device, 3G wireless signal transceiver and charhing unit are connected with controller respectively, and charhing unit is connected with battery, and 3G wireless signal is received The machine of sending out is connected with smart mobile phone radio communication.
The electric automobile of this programme has the system of supplying power with double circuit, and after can guarantee that parking, power management module is within the setting time Continue there is electricity, battery can be safeguarded, self-inspection, evaluation, it is ensured that safety when electric automobile runs next time, eliminate uneasiness in advance Total factor, in the range of allowing the capacity difference between each monomer be maintained at capacity difference set in advance, plays the effect of safety guarantee. It is also easy to know after car is removed by people, and can easily find the position of the car after removing.When electric automobile on the way travels The relatives of speed speed situation driver are also easy to know, it is simple to the relatives of driver send prompting message to driver.
As preferably, also include the ultrasonic range finder being connected with controller, and the feeder ear of ultrasonic range finder is even It is connected on the power output end of distribution box.The relatives of driver are capable of detecting when vehicle by smart mobile phone and ultrasonic range finder The spacing in front, relatives remind driver to note front spacing, reduce vehicle rear-end collision accident.
As preferably, also include the memorizer being connected with controller, and the feeder ear of memorizer is connected to distribution box On power output end.Memorizer is easy to the storage of the vehicle-mounted each data of internet intelligent control system, simple and easy to use.
As preferably, also include display and the button being connected with controller respectively, and the feeder ear of display connects On the power output end of distribution box.Display and button are easy to regulation operation, use simple.
As preferably, a kind of control method being applicable to vehicle-mounted internet intelligent control system, control method includes high pressure Electric process and battery equilibrium regulation process under power up, low pressure；If the battery at a switch and No. three switch places is powered back Lu Weiyi current supply circuit, if No. two switch place battery current supply circuits are No. two current supply circuits；
Described high pressure power up is: key switch module gives the signal of one Guan Bi of a switch, and key is opened simultaneously Closing module also to the signal of one Guan Bi of No. three switches, a switch and No. three switches the most all close, when a switch and three After number switch all close, the conducting of current supply circuit, power management module and low-voltage load are now only by a current supply circuit confession Electricity；Then power management module initializes immediately, and carries out self-inspection after initialization；Then power management module allows No. two Switch Guan Bi, allows No. two current supply circuits turn on, and power management module and low-voltage load are now by a current supply circuit and No. two confessions Electricity loop powers jointly, and high pressure power up terminates；
Under described low pressure, electric process is: key switch module gives a switch one signal disconnected, and key is opened simultaneously Closing module also to one signal disconnected of No. three switches, a switch and No. three switches the most all disconnect, when a switch and three After number switch all disconnects, current supply circuit disconnects, and power management module and low-voltage load are now only by No. two current supply circuits confessions Electricity, then battery is safeguarded by power management module, self-inspection, evaluation and data record preserve, and data record is the most electric after having preserved Source control module controls No. two and switches off, and No. two current supply circuits disconnect immediately, power management module and two of low-voltage load Current supply circuit all disconnects, and under low pressure, electric process terminates；
Described battery equilibrium regulation process is: in the time range set, by power management module to voltage sample mould Block sends work order, voltage sample module each monomer to battery immediately carries out voltage signal sampling, and collecting Voltage sampling signal is uploaded to power management module；Then the voltage sampling signal received is sent into voltage difference by power management module The voltage difference between each monomer current is obtained after value balance module carries out voltage difference calculating；
If currently the voltage difference between each monomer is outside voltage difference scope set in advance, terminates battery and put down Weighing apparatus regulation；
If currently the voltage difference between each monomer is within voltage difference scope set in advance, by power management Module will the voltage sampling signal that receive send in capacity difference balance module carry out capacity difference calculating after obtain current each Capacity difference between monomer；
If currently the capacity difference between each monomer is more than capacity difference set in advance, then given by power management module Electricity shift module instructs, and a part of electricity in monomer big for capacity is transferred to the list that capacity is little by electricity shift module immediately Going until the capacity difference between each monomer is in the range of capacity difference set in advance in body, so far, one-shot battery balance is adjusted Joint process terminates, in the range of the capacity difference between each monomer can be allowed and so forth to be maintained at capacity difference set in advance.
This programme has electric automobile and supplies power with double circuit system, and after can guarantee that parking, power management module continued within the setting time Continuous have electricity, battery can be safeguarded, self-inspection, evaluation, it is ensured that safety when electric automobile runs next time, eliminate dangerous in advance Factor, in the range of allowing the capacity difference between each monomer be maintained at capacity difference set in advance, plays the effect of safety guarantee.
As preferably, contain the benchmark OCV curve of battery at power management module internal memory, and record benchmark OCV curve Benchmark pressure reduction；
Electric automobile stops after pulling out key, and power management module is then powered by No. two current supply circuits and continued power supply；Work as electricity Source control module then judges that after the signal that can't detect full-vehicle control module electric automobile is in dead ship condition；
Then battery is safeguarded by power management module, keeps battery standing a period of time h, then electricity after having safeguarded The parking OCV curve of source control module detection battery；And record the parking pressure reduction of parking OCV curve；
Parking pressure reduction is contrasted with benchmark pressure reduction, if parking pressure reduction >=benchmark pressure reduction, then judges that battery occurs abnormal, And send corresponding alarm；
Described power management module upper once power on time, but before electric automobile is the most not actuated, detect whole battery Start the switch DP of OCV curve, and contrast with benchmark pressure reduction with switch DP, if switch DP >=benchmark pressure reduction, sentence Power-off pond occurs abnormal, and sends corresponding alarm.
As preferably, also include electric automobile stop after the self-inspection of battery, evaluation, maintenance process and under stopping electricity complete Relief electric automobile stops a period of time, self-inspection before electric automobile high-voltage powers on when electric automobile is again started up, evaluates Journey；
(1) self-inspection of battery after, electric automobile stops, evaluation, maintenance process are as follows:
When key switch module is kept off to OFF by ON gear, and full-vehicle control module and power management module detect flame-out instruction；
Power management module judges high pressure, and full-vehicle control module controls a switch and No. three by key switch module Switch all disconnects；Power management module then continues to control No. two switch Guan Bis；
Power management module detection battery temperature T, power management module also detects the monomer voltage of battery simultaneously；
According to application demand sets itself reference temperature value T0If, T >=T0, power management module control low-voltage load Cooling mechanism dispels the heat to battery；And detection battery temperature T in real time；
Benchmark monomer pressure reduction V according to application demand sets itself battery0If, the monomer pressure differential deltap V >=V of battery0, by electricity Battery is equalized by source control module, and detects the voltage of monomer in real time；
According to application demand, sets itself temperature value T1＜ T0, power management module detection battery temperature, as T ＜ T1Time, Power management module controls cooling mechanism and stops heat radiation；Power management module detection monomer voltage maximum differential pressure, as Δ V ＜ V0, Stop equilibrium；
The time of repose h of power management module record battery, according to application demand sets itself benchmark time of repose h1, when During time of repose h >=h1,
Carried out SOC value correction by power management module to battery is dynamic, record OCV curve, internal resistance, the dependency of insulation resistance value Can parameter；
Data are all by power management module keeping records；
Power management module controls No. two and switches off, No. two current supply circuit power-off immediately；
So far, the self-inspection of battery after electric automobile stops, evaluation, maintenance process terminate；
(2), after electricity completes under stopping, electric automobile is allowed to stop a period of time, when electric automobile is again started up, electricity Electrical automobile high pressure power on before self-inspection, evaluation procedure as follows:
When key switch to ON keeps off, full-vehicle control module and power management module detect enabled instruction；
Full-vehicle control module controls a switch Guan Bi, a current supply circuit conducting；
Power management module initializes and self-inspection controls No. two switch Guan Bis: No. two current supply circuits turn on；
Power management module record OCV curve, internal resistance, the correlation performance parameters of insulation resistance value；
Data and original stored data before power management module contrast high voltage startup；And contrast when stopping and high voltage startup Front voltage data,
(parking pressure reduction-switch DP) ÷ down time >=setting voltage, then judge that the internal resistance of battery is abnormal, and send right Answer alarm；
Power management module is reported to the police to full-vehicle control module, it is ensured that the status safety before electric automobile each run；
If all going well, completing high pressure and powering on；
So far, after electricity completes under stopping, allow electric automobile stop a period of time, when electric automobile is again started up, electricity Electrical automobile high pressure power on before self-inspection, evaluation procedure terminates.
As preferably, power management module includes comparison circuit and current threshold comparator, and uses comparison circuit to export High level signal trigger the startup of self-inspection, whether reached by the load current of current threshold comparator detection low-voltage load The threshold value of threshold judges the high level signal whether comparison circuit exports；
The current detection threshold of current threshold comparator is arranged by the threshold register of this current threshold comparator, if electric The current detection threshold scope of stream threshold comparator is H1-H2, and presetting standard source output needs the signal of telecommunication of detection, and sets The bottom threshold of the current detection threshold scope of current threshold comparator is H1, if the current detection threshold of current threshold comparator The upper threshold of scope is H2, if the value limiting between H1 and upper threshold H2 under the threshold value that falls is variable H；And by under threshold value Limit H1, upper threshold H2 and variable H stores in threshold register in the lump；
When comparison circuit output high level, it is judged that whether (H2-H) ÷ (H-H1) is more than 1, if (H2-H) ÷ (H-H1) More than 1, then detection current threshold is equal to H, then terminates calibration detection；If (H2-H) ÷ (H-H1) is not more than 1, then allow H1 =H, and calculate new H=(H2+H1) ÷ 2, then the variable H-number that this is new is assigned to threshold register；
When comparison circuit output low level, it is judged that whether (H-H1) ÷ (H2-H) is more than 1, if (H-H1) ÷ (H2-H) More than 1, then detection current threshold is equal to H1, then terminates calibration detection；If (H-H1) ÷ (H2-H) is not more than 1, then allow H2=H, and calculate new H=(H2+H1) ÷ 2, then the variable H-number that this is new is assigned to threshold register；
Then the low and high level signal of comparison circuit output is controlled by variable H-number new in threshold register.
The present invention can reach following effect:
Electric automobile of the present invention has the system of supplying power with double circuit, and after can guarantee that parking, power management module continued within the setting time Continuous have electricity, battery can be safeguarded, self-inspection, evaluation, it is ensured that safety when electric automobile runs next time, eliminate dangerous in advance Factor, in the range of allowing the capacity difference between each monomer be maintained at capacity difference set in advance, plays the effect of safety guarantee.When Car is also easy to know after being removed by people, and can easily find the position of the car after removing.When the speed that electric automobile on the way travels The relatives of degree speed situation driver are also easy to know, it is simple to the relatives of driver send prompting message to driver.
Accompanying drawing explanation
Fig. 1 is a kind of circuit theory attachment structure schematic diagram of the present invention.
Fig. 2 is the self-inspection of battery, evaluation, a kind of schematic flow sheet of maintenance process after electric automobile of the present invention stops.
After Fig. 3 is the present invention electricity completes under stopping, electric automobile is allowed to stop a period of time, when electric automobile is again started up Time, electric automobile high-voltage power on before self-inspection, a kind of schematic flow sheet of evaluation procedure.
Fig. 4 is a kind of schematic flow sheet of the high level signal that present invention determine that whether comparison circuit export.
Detailed description of the invention
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Embodiment, vehicle-mounted internet intelligent control system, shown in Figure 1, switch 2, No. two including battery 1, and open Pass 3, power management module 4,5, node of low-voltage load 6, No. two nodes 7, No. three nodes 8, key switch module 9, car loads Control module 10, three switch 11, voltage sample module 16, electricity shift module 17, distribution box 20, GPS locator 22, displacement Sensor 23, voice prompting device 24, controller 29,3G wireless signal transceiver 28, charhing unit 30 and smart mobile phone 31.Also wrap Include velocity sensor.
Described power management module includes voltage difference balance module 18 and capacity difference balance module 19, described battery bag Include several monomers；The voltage acquisition end of each monomer is connected with voltage sample module respectively, the electricity transfer end of each monomer Being connected with electricity shift module respectively, power management module is connected with voltage sample module and electricity shift module respectively；This reality The monomer executing example has 4, respectively monomer 12, monomer 13, monomer 14 and monomer 15.
The positive source input of described distribution box, one end of a switch, one end of No. two switches and the positive pole of battery End is connected on a node；The described other end of a switch and the power interface positive terminal of full-vehicle control module are connected to three Number switch one end on；The other end of No. two switches, the other end of No. three switches, the power interface positive terminal of power management module It is both connected on No. two nodes with the power interface positive terminal of low-voltage load；The power cathode input of described distribution box, battery Negative pole end, the power interface negative pole end of power management module, the power interface negative pole end of low-voltage load and full-vehicle control module Power interface negative pole end be both connected on No. three nodes；The control end of a described switch and the control ends of described No. three switches It is connected with key switch module the most respectively；Described key switch module is connected with full-vehicle control module；Described full-vehicle control module It is connected with power management module；The control end of described No. two switches is connected with power management module；
The feeder ear of described controller, the feeder ear of GPS locator, the feeder ear of displacement transducer, velocity sensor The feeder ear of feeder ear, the feeder ear of voice prompting device and 3G wireless signal transceiver is both connected to the power output end of distribution box On, described power management module, GPS locator, displacement transducer, velocity sensor, voice prompting device, 3G wireless signal are received and dispatched Machine and charhing unit are connected with controller respectively, and charhing unit is connected with battery, 3G wireless signal transceiver and smart mobile phone without Line communicates to connect.
Also include the ultrasonic range finder 26 being connected with controller, and the feeder ear of ultrasonic range finder is connected to distribution On the power output end of case.
Also include the memorizer 21 being connected with controller, and the feeder ear of memorizer is connected to the power supply output of distribution box On end.
Also include display 25 and the button 27 being connected with controller respectively, and the feeder ear of display is connected to distribution On the power output end of case.
Described battery is the rechargeable battery using peak-trough electricity charging, if current time is in paddy electricity chargeable time, to electricity Pond is charged；
If current time is in outside paddy electricity chargeable time, power management module is to one basic power threshold of battery assignment W, power management module reads current time, paddy electricity chargeable time opening time and the charge value A of present battery, power management mould Block calculates current time and draws time difference T with paddy electricity chargeable time open-interval difference；
Power management module calculates Am1+Tm2, m1And m2For the weight coefficient set, work as Am1+Tm2>=W is then judged to be not required to Battery charged, to work as Am1+Tm2＜ W is then judged to need to charge battery.
The control method of vehicle-mounted internet intelligent control system includes that under high pressure power up, low pressure, electric process and battery are put down Weighing apparatus regulation process；If the battery current supply circuit at a switch and No. three switch places is a current supply circuit, if No. two switch institutes It is No. two current supply circuits at battery current supply circuit；
Described high pressure power up is: key switch module gives the signal of one Guan Bi of a switch, and key is opened simultaneously Closing module also to the signal of one Guan Bi of No. three switches, a switch and No. three switches the most all close, when a switch and three After number switch all close, the conducting of current supply circuit, power management module and low-voltage load are now only by a current supply circuit confession Electricity；Then power management module initializes immediately, and carries out self-inspection after initialization；Then power management module allows No. two Switch Guan Bi, allows No. two current supply circuits turn on, and power management module and low-voltage load are now by a current supply circuit and No. two confessions Electricity loop powers jointly, and high pressure power up terminates；
Under described low pressure, electric process is: key switch module gives a switch one signal disconnected, and key is opened simultaneously Closing module also to one signal disconnected of No. three switches, a switch and No. three switches the most all disconnect, when a switch and three After number switch all disconnects, current supply circuit disconnects, and power management module and low-voltage load are now only by No. two current supply circuits confessions Electricity, then battery is safeguarded by power management module, self-inspection, evaluation and data record preserve, and data record is the most electric after having preserved Source control module controls No. two and switches off, and No. two current supply circuits disconnect immediately, power management module and two of low-voltage load Current supply circuit all disconnects, and under low pressure, electric process terminates.
Described battery equilibrium regulation process is: in the time range set, by power management module to voltage sample mould Block sends work order, voltage sample module each monomer to battery immediately carries out voltage signal sampling, and collecting Voltage sampling signal is uploaded to power management module；Then the voltage sampling signal received is sent into voltage difference by power management module The voltage difference between each monomer current is obtained after value balance module carries out voltage difference calculating；
If currently the voltage difference between each monomer is outside voltage difference scope set in advance, terminates battery and put down Weighing apparatus regulation；
If currently the voltage difference between each monomer is within voltage difference scope set in advance, by power management Module will the voltage sampling signal that receive send in capacity difference balance module carry out capacity difference calculating after obtain current each Capacity difference between monomer；
If currently the capacity difference between each monomer is more than capacity difference set in advance, then given by power management module Electricity shift module instructs, and a part of electricity in monomer big for capacity is transferred to the list that capacity is little by electricity shift module immediately Going until the capacity difference between each monomer is in the range of capacity difference set in advance in body, so far, one-shot battery balance is adjusted Joint process terminates, in the range of the capacity difference between each monomer can be allowed and so forth to be maintained at capacity difference set in advance.
Contain the benchmark OCV curve of battery at power management module internal memory, and record the benchmark pressure reduction of benchmark OCV curve；
Electric automobile stops after pulling out key, and power management module is then powered by No. two current supply circuits and continued power supply；Work as electricity Source control module then judges that after the signal that can't detect full-vehicle control module electric automobile is in dead ship condition；
Then battery is safeguarded by power management module, keeps battery standing a period of time h, then electricity after having safeguarded The parking OCV curve of source control module detection battery；And record the parking pressure reduction of parking OCV curve；
Parking pressure reduction is contrasted with benchmark pressure reduction, if parking pressure reduction >=benchmark pressure reduction, then judges that battery occurs abnormal, And send corresponding alarm；
Described power management module upper once power on time, but before electric automobile is the most not actuated, detect whole battery Start the switch DP of OCV curve, and contrast with benchmark pressure reduction with switch DP, if switch DP >=benchmark pressure reduction, sentence Power-off pond occurs abnormal, and sends corresponding alarm.
Also include electric automobile stop after the self-inspection of battery, evaluation, maintenance process and under stopping electricity to complete relief electronic Parking of automobile a period of time, the self-inspection before electric automobile high-voltage powers on when electric automobile is again started up, evaluation procedure；
Shown in Figure 2, after (one), electric automobile stop, the self-inspection of battery, evaluation, maintenance process are as follows:
When key switch module is kept off to OFF by ON gear, and full-vehicle control module and power management module detect flame-out instruction；
Power management module judges high pressure, and full-vehicle control module controls a switch and No. three by key switch module Switch all disconnects；Power management module then continues to control No. two switch Guan Bis；
Power management module detection battery temperature T, power management module also detects the monomer voltage of battery simultaneously；
According to application demand sets itself reference temperature value T0If, T >=T0, power management module control low-voltage load Cooling mechanism dispels the heat to battery；And detection battery temperature T in real time；
Benchmark monomer pressure reduction V according to application demand sets itself battery0If, the monomer pressure differential deltap V >=V of battery0, by electricity Battery is equalized by source control module, and detects the voltage of monomer in real time；
According to application demand, sets itself temperature value T1＜ T0, power management module detection battery temperature, as T ＜ T1Time, Power management module controls cooling mechanism and stops heat radiation；Power management module detection monomer voltage maximum differential pressure, as Δ V ＜ V0, Stop equilibrium；
The time of repose h of power management module record battery, according to application demand sets itself benchmark time of repose h1, when During time of repose h >=h1,
Carried out SOC value correction by power management module to battery is dynamic, record OCV curve, internal resistance, the dependency of insulation resistance value Can parameter；
Data are all by power management module keeping records；
Power management module controls No. two and switches off, No. two current supply circuit power-off immediately；
So far, the self-inspection of battery after electric automobile stops, evaluation, maintenance process terminate；
Shown in Figure 3, (two), after electricity completes under stopping, allow electric automobile stop a period of time, when electric automobile again Secondary start time, electric automobile high-voltage power on before self-inspection, evaluation procedure as follows:
When key switch to ON keeps off, full-vehicle control module and power management module detect enabled instruction；
Full-vehicle control module controls a switch Guan Bi, a current supply circuit conducting；
Power management module initializes and self-inspection controls No. two switch Guan Bis: No. two current supply circuits turn on；
Power management module record OCV curve, internal resistance, the correlation performance parameters of insulation resistance value；
Data and original stored data before power management module contrast high voltage startup；And contrast when stopping and high voltage startup Front voltage data,
(parking pressure reduction-switch DP) ÷ down time >=setting voltage, then judge that the internal resistance of battery is abnormal, and send right Answer alarm；
Power management module is reported to the police to full-vehicle control module, it is ensured that the status safety before electric automobile each run；
If all going well, completing high pressure and powering on；
So far, after electricity completes under stopping, allow electric automobile stop a period of time, when electric automobile is again started up, electricity Electrical automobile high pressure power on before self-inspection, evaluation procedure terminates.
Shown in Figure 4, power management module includes comparison circuit and current threshold comparator, and uses comparison circuit defeated Whether the high level signal gone out, to trigger the startup of self-inspection, is reached by the load current of current threshold comparator detection low-voltage load Threshold value to threshold judges the high level signal whether comparison circuit exports；
The current detection threshold of current threshold comparator is arranged by the threshold register of this current threshold comparator, if electric The current detection threshold scope of stream threshold comparator is H1-H2, and presetting standard source output needs the signal of telecommunication of detection, and sets The bottom threshold of the current detection threshold scope of current threshold comparator is H1, if the current detection threshold of current threshold comparator The upper threshold of scope is H2, if the value limiting between H1 and upper threshold H2 under the threshold value that falls is variable H；And by under threshold value Limit H1, upper threshold H2 and variable H stores in threshold register in the lump；
When comparison circuit output high level, it is judged that whether (H2-H) ÷ (H-H1) is more than 1, if (H2-H) ÷ (H-H1) More than 1, then detection current threshold is equal to H, then terminates calibration detection；If (H2-H) ÷ (H-H1) is not more than 1, then allow H1 =H, and calculate new H=(H2+H1) ÷ 2, then the variable H-number that this is new is assigned to threshold register；
When comparison circuit output low level, it is judged that whether (H-H1) ÷ (H2-H) is more than 1, if (H-H1) ÷ (H2-H) More than 1, then detection current threshold is equal to H1, then terminates calibration detection；If (H-H1) ÷ (H2-H) is not more than 1, then allow H2=H, and calculate new H=(H2+H1) ÷ 2, then the variable H-number that this is new is assigned to threshold register；
Then the low and high level signal of comparison circuit output is controlled by variable H-number new in threshold register.
The present embodiment electric automobile has the system of supplying power with double circuit, and after can guarantee that parking, power management module is within the setting time Continue there is electricity, battery can be safeguarded, self-inspection, evaluation, it is ensured that safety when electric automobile runs next time, eliminate uneasiness in advance Total factor, in the range of allowing the capacity difference between each monomer be maintained at capacity difference set in advance, plays the effect of safety guarantee. It is also easy to know after car is removed by people, and can easily find the position of the car after removing.When electric automobile on the way travels The relatives of speed speed situation driver are also easy to know, it is simple to the relatives of driver send prompting message to driver.
The relatives of driver are capable of detecting when the spacing of vehicle front, Qin Renti by smart mobile phone and ultrasonic range finder Awake driver notes front spacing, reduces vehicle rear-end collision accident.
Describe embodiments of the present invention above in conjunction with accompanying drawing, but do not limited by above-described embodiment when realizing, this area Those of ordinary skill can make a variety of changes within the scope of the appended claims or revise.

Claims (8)

  1. The most vehicle-mounted internet intelligent control system, it is characterised in that include battery, switch, No. two switches, power management moulds Block, low-voltage load, node, No. two nodes, No. three nodes, key switch module, full-vehicle control module, No. three switches, electricity Press sampling module, electricity shift module, distribution box, GPS locator, displacement transducer, voice prompting device, controller, 3G is wireless Signal transmitting and receiving machine, charhing unit and smart mobile phone；Described power management module includes voltage difference balance module and capacity difference Balance module, described battery includes several monomers；The voltage acquisition end of each monomer is connected with voltage sample module, often respectively Individual monomer electricity transfer end be connected with electricity shift module respectively, power management module respectively with voltage sample module and electricity Shift module connects；The positive source input of described distribution box, one end of a switch, one end of No. two switches and battery Positive terminal is connected on a node；The other end of a described switch and the power interface positive terminal of full-vehicle control module connect On one end of No. three switches；No. two switch the other end, No. three switch the other end, power management module power interface just Extreme and low-voltage load power interface positive terminal is both connected on No. two nodes；The power cathode input of described distribution box, The negative pole end of battery, the power interface negative pole end of power management module, the power interface negative pole end of low-voltage load and full-vehicle control The power interface negative pole end of module is both connected on No. three nodes；The control end of a described switch and the controls of described No. three switches End processed is connected with key switch module the most respectively；Described key switch module is connected with full-vehicle control module；Described full-vehicle control Module is connected with power management module；The control end of described No. two switches is connected with power management module；The confession of described controller Electricity end, the feeder ear of GPS locator, the feeder ear of displacement transducer, the feeder ear of voice prompting device and the transmitting-receiving of 3G wireless signal The feeder ear of machine is both connected on the power output end of distribution box, described power management module, GPS locator, displacement transducer, Voice prompting device, 3G wireless signal transceiver and charhing unit are connected with controller respectively, and charhing unit is connected with battery, 3G without Line signal transmitting and receiving machine is connected with smart mobile phone radio communication.
  2. The most vehicle-mounted internet intelligent control system, it is characterised in that also include being connected with controller Ultrasonic range finder, and the feeder ear of ultrasonic range finder is connected on the power output end of distribution box.
  3. The most vehicle-mounted internet intelligent control system, it is characterised in that also include being connected with controller Memorizer, and the feeder ear of memorizer is connected on the power output end of distribution box.
  4. The most vehicle-mounted internet intelligent control system, it is characterised in that also include respectively with controller even The display connect and button, and the feeder ear of display is connected on the power output end of distribution box.
  5. 5. the control method of the vehicle-mounted internet intelligent control system being applicable to described in claim 1, it is characterised in that control Method processed includes electric process and battery equilibrium regulation process under high pressure power up, low pressure；If a switch and No. three switch institutes Battery current supply circuit be a current supply circuit, if No. two switch place battery current supply circuits are No. two current supply circuits；
    Described high pressure power up is: key switch module gives the signal of one Guan Bi of a switch, key switch mould simultaneously Block also gives No. three signals switching a Guan Bi, and a switch and No. three switches the most all close, when a switch is opened with No. three Closing after all closing, a current supply circuit conducting, power management module and low-voltage load are now only powered by a current supply circuit；So Rear power management module initializes immediately, and carries out self-inspection after initialization；Then power management module allows No. two switches Guan Bi, allows No. two current supply circuits turn on, and power management module and low-voltage load are now powered back by a current supply circuit and No. two Road powers jointly, and high pressure power up terminates；
    Under described low pressure, electric process is: key switch module gives a switch one signal disconnected, key switch mould simultaneously Block also gives No. three to switch a signal disconnected, and a switch and No. three switches the most all disconnect, when a switch is opened with No. three Closing after all disconnecting, a current supply circuit disconnects, and power management module and low-voltage load are now only powered, so by No. two current supply circuits Battery is safeguarded by rear power management module, self-inspection, evaluation and the preservation of data record, and rear power management mould protected in data record Block controls No. two and switches off, and No. two current supply circuits disconnect immediately, power management module and two current supply circuits of low-voltage load All disconnecting, under low pressure, electric process terminates；
    Described battery equilibrium regulation process is: in the time range set, power management module send out to voltage sample module Going out work order, voltage sample module each monomer to battery immediately carries out voltage signal sampling, and the voltage collected Sampled signal is uploaded to power management module；Then power management module is by equal for the voltage sampling signal feeding voltage difference received The voltage difference between each monomer current is obtained after weighing apparatus module carries out voltage difference calculating；
    If currently the voltage difference between each monomer is outside voltage difference scope set in advance, terminates battery equilibrium and adjust Joint；
    If currently the voltage difference between each monomer is within voltage difference scope set in advance, by power management module The voltage sampling signal received is sent into and after capacity difference balance module carries out capacity difference calculating, obtains each monomer current Between capacity difference；
    If currently the capacity difference between each monomer is more than capacity difference set in advance, then by power management module to electricity Shift module instructs, and a part of electricity in monomer big for capacity is transferred in the monomer that capacity is little by electricity shift module immediately Go until the capacity difference between each monomer is in the range of capacity difference set in advance, so far, one-shot battery balance adjustment mistake Journey terminates, in the range of the capacity difference between each monomer can be allowed and so forth to be maintained at capacity difference set in advance.
  6. The control method of vehicle-mounted internet intelligent control system the most according to claim 5, it is characterised in that at power supply pipe Reason module internal memory contains the benchmark OCV curve of battery, and records the benchmark pressure reduction of benchmark OCV curve；
    Electric automobile stops after pulling out key, and power management module is then powered by No. two current supply circuits and continued power supply；When power supply pipe Reason module then judges that after the signal that can't detect full-vehicle control module electric automobile is in dead ship condition；
    Then battery is safeguarded by power management module, keeps battery standing a period of time h, then power supply pipe after having safeguarded The parking OCV curve of reason module detection battery；And record the parking pressure reduction of parking OCV curve；
    Parking pressure reduction is contrasted with benchmark pressure reduction, if parking pressure reduction >=benchmark pressure reduction, then judges that battery occurs abnormal, concurrently Go out corresponding alarm；
    Described power management module upper once power on time, but before electric automobile is the most not actuated, detect the startup of whole battery The switch DP of OCV curve, and contrast with benchmark pressure reduction with switch DP, if switch DP >=benchmark pressure reduction, it is judged that electricity Pond occurs abnormal, and sends corresponding alarm.
  7. The control method of vehicle-mounted internet intelligent control system the most according to claim 5, it is characterised in that
    Also include electric automobile stop after the self-inspection of battery, evaluation, maintenance process and stop under electricity complete relief electric automobile Stop a period of time, the self-inspection before electric automobile high-voltage powers on when electric automobile is again started up, evaluation procedure；
    (1) self-inspection of battery after, electric automobile stops, evaluation, maintenance process are as follows:
    When key switch module is kept off to OFF by ON gear, and full-vehicle control module and power management module detect flame-out instruction；
    Power management module judges high pressure, and full-vehicle control module controls a switch and No. three switches by key switch module All disconnect；Power management module then continues to control No. two switch Guan Bis；
    Power management module detection battery temperature T, power management module also detects the monomer voltage of battery simultaneously；
    According to application demand sets itself reference temperature value T0If, T >=T0, power management module control the heat radiation of low-voltage load Mechanism dispels the heat to battery；And detection battery temperature T in real time；
    Benchmark monomer pressure reduction V according to application demand sets itself battery0If, the monomer pressure differential deltap V >=V of battery0, by power supply pipe Battery is equalized by reason module, and detects the voltage of monomer in real time；
    According to application demand, sets itself temperature value T1＜ T0, power management module detection battery temperature, as T ＜ T1Time, power supply Management module controls cooling mechanism and stops heat radiation；Power management module detection monomer voltage maximum differential pressure, as Δ V ＜ V0, stop Equilibrium；
    The time of repose h of power management module record battery, according to application demand sets itself benchmark time of repose h1, works as standing During time h >=h1,
    SOC value correction, record OCV curve, internal resistance, the correlated performance ginseng of insulation resistance value is carried out to battery is dynamic by power management module Number；
    Data are all by power management module keeping records；
    Power management module controls No. two and switches off, No. two current supply circuit power-off immediately；
    So far, the self-inspection of battery after electric automobile stops, evaluation, maintenance process terminate；
    (2), after electricity completes under stopping, electric automobile is allowed to stop a period of time, when electric automobile is again started up, electronic vapour It is as follows that overall height presses the self-inspection before electricity, evaluation procedure:
    When key switch to ON keeps off, full-vehicle control module and power management module detect enabled instruction；
    Full-vehicle control module controls a switch Guan Bi, a current supply circuit conducting；
    Power management module initializes and self-inspection controls No. two switch Guan Bis: No. two current supply circuits turn on；
    Power management module record OCV curve, internal resistance, the correlation performance parameters of insulation resistance value；
    Data and original stored data before power management module contrast high voltage startup；And contrast stop time and high voltage startup before electricity Pressure data,
    (parking pressure reduction-switch DP) ÷ down time >=setting voltage, then judge that the internal resistance of battery is abnormal, and send corresponding report Alert prompting；
    Power management module is reported to the police to full-vehicle control module, it is ensured that the status safety before electric automobile each run；
    If all going well, completing high pressure and powering on；
    So far, after electricity completes under stopping, allow electric automobile stop a period of time, when electric automobile is again started up, electronic vapour Overall height press electricity before self-inspection, evaluation procedure terminates.
  8. The control method of vehicle-mounted internet intelligent control system the most according to claim 5, it is characterised in that power management Module includes comparison circuit and current threshold comparator, and uses high level signal that comparison circuit exports to trigger opening of self-inspection Dynamic, the threshold value whether being reached threshold by the load current of current threshold comparator detection low-voltage load judges more electric The high level signal whether road exports；
    The current detection threshold of current threshold comparator is arranged by the threshold register of this current threshold comparator, if current threshold The current detection threshold scope of value comparator is H1-H2, and presetting standard source output needs the signal of telecommunication of detection, and sets electric current The bottom threshold of the current detection threshold scope of threshold comparator is H1, if the current detection threshold scope of current threshold comparator Upper threshold be H2, if fall under the threshold value limit H1 and upper threshold H2 between a value be variable H；And by bottom threshold H1, upper threshold H2 and variable H store in threshold register in the lump；
    When comparison circuit output high level, it is judged that whether (H2-H) ÷ (H-H1) is more than 1, if (H2-H) ÷ (H-H1) is more than 1, then detection current threshold is equal to H, then terminates calibration detection；If (H2-H) ÷ (H-H1) is not more than 1, then allow H1=H, And calculate new H=(H2+H1) ÷ 2, then the variable H-number that this is new is assigned to threshold register；
    When comparison circuit output low level, it is judged that whether (H-H1) ÷ (H2-H) is more than 1, if (H-H1) ÷ (H2-H) is more than 1, then detection current threshold is equal to H1, then terminates calibration detection；If (H-H1) ÷ (H2-H) is not more than 1, then allow H2= H, and calculate new H=(H2+H1) ÷ 2, then the variable H-number that this is new is assigned to threshold register；
    Then the low and high level signal of comparison circuit output is controlled by variable H-number new in threshold register.
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