CN106184078A - New-energy automobile intelligent voice prompt system and control method thereof - Google Patents
New-energy automobile intelligent voice prompt system and control method thereof Download PDFInfo
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- CN106184078A CN106184078A CN201610686809.3A CN201610686809A CN106184078A CN 106184078 A CN106184078 A CN 106184078A CN 201610686809 A CN201610686809 A CN 201610686809A CN 106184078 A CN106184078 A CN 106184078A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
- B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/14—Adaptive cruise control
- B60W30/16—Control of distance between vehicles, e.g. keeping a distance to preceding vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
- B60W40/105—Speed
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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- 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
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- Mechanical Engineering (AREA)
- Transportation (AREA)
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- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses new-energy automobile intelligent voice prompt 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
Technical field
The present invention relates to new-energy automobile intelligent voice prompt technical field, be specifically related to new-energy automobile intelligent sound and carry
Show system and control method thereof.
Background technology
The sound prompt function of the new-energy automobile of electric automobile is the most single at present, and major part electric automobile is at key
After signal is turned off, as the power management module of dynamic power system core the most just without power supply, it is impossible to close at key signal
Fall the thoroughly evaluating in terms of rear power management module carries out once safety and reliability, the most just cannot make early warning information prompting and
Ensure safety when next time is run.Existing electric automobile uses i.e. inserts the charging modes i.e. filled, and intelligence degree is low.And it is existing
There is electric automobile after driver is stopped, if after car is removed by people, the car of oneself when this driver goes to pick up the car, will be can not find,
And the relatives of the speed speed situation driver that existing electric automobile on the way travels not can know that, it is achieved not relatives couple
Driver drives the prompting of speed speed, and hommization degree is relatively low.
Summary of the invention
The present invention is to solve the single above shortcomings of the sound prompt function of existing new-energy automobile, it is provided that one
Kind 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 right
Battery carries out safeguarding, self-inspection, evaluation, it is ensured that safety when electric automobile runs next time, eliminate unsafe factor in advance, allow each
In the range of capacity difference between battery is maintained at capacity difference set in advance, car is also easy to know after being removed by people, and is prone to
Finding 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,
The relatives being easy to driver send new-energy automobile intelligent voice prompt system and the control method thereof of prompting message to driver.
More than technical problem is that and to be solved by following technical proposal:
New-energy automobile intelligent voice prompt system, 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, distribution box,
GPS locator, displacement transducer, voice prompting device, controller, 3G wireless signal transceiver, charhing unit and smart mobile phone；
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, the feeder ear of voice prompting device and the confession of 3G wireless signal transceiver
Electricity end is both connected on the power output end of distribution box, and described power management module, GPS locator, displacement transducer, voice carry
Showing that device, 3G wireless signal transceiver and charhing unit are connected with controller respectively, charhing unit is connected with battery, 3G wireless signal
Transceiver 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 battery 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 velocity sensor being connected with controller, and the feeder ear of velocity sensor is connected to
On the power output end of distribution box.Velocity sensor is easy to check speed, it is simple to relatives know the speed of Current vehicle.
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 each data of new-energy automobile intelligent voice prompt system, simple and easy to use.
As preferably, also including photographic head, the control end of photographic head is connected with controller, and the feeder ear of photographic head is even
It is connected on the power output end of distribution box.It is easy to user and remotely checks vehicle periphery information by photographic head, allow the relatives can be more
Remind driver to note front spacing intuitively, reduce vehicle rear-end collision accident.
As preferably, a kind of control method being applicable to new-energy automobile intelligent voice prompt system, control method includes
Electric process under high pressure power up and low pressure；If the battery current supply circuit at a switch and No. three switch places is No. one and powers back
Road, 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.
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, 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 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 pressure reduction V according to application demand sets itself battery0If, the benchmark pressure differential deltap V >=V of battery0, by power supply pipe
Battery is equalized by reason module, and detects the voltage of battery 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 cell 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 H2-H, whether equal to 1, if H2-H is equal to 1, then detects current threshold
It is equal to H, then terminates calibration detection；If H2-H is not equal to 1, then allow H1=H, and calculate new H=(H2+H1) ÷ 2, so
After the variable H-number that this is new is assigned to threshold register；
When comparison circuit output low level, it is judged that H-H1, whether equal to 1, if H-H1 is equal to 1, then detects current threshold
It is equal to H1, then terminates calibration detection；If H-H1 is not equal to 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, 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
Put.The relatives of the speed speed situation driver on the way travelled when electric automobile are also easy to know, it is simple to the relatives of driver
Driver is sent prompting message.
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, new-energy automobile intelligent voice prompt system, shown in Figure 1, switch 2, two including battery 1,
Number switch 3, power management module 4,5, node of low-voltage load, 7, No. three nodes 8 of 6, No. two nodes, key switch module 9,
Full-vehicle control module 10, three switch 11, distribution box 20, GPS locator 22, displacement transducer 23, voice prompting device 24, control
Device 29,3G wireless signal transceiver 28, charhing unit 30, smart mobile phone 31, photographic head 32 and velocity sensor 33.
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 velocity sensor, the feeder ear of controller, the feeder ear of GPS locator, displacement transducer
The feeder ear of feeder ear, the feeder ear of voice prompting device, the feeder ear of 3G wireless signal transceiver and photographic head is both connected to join
On the power output end of electronic box, described velocity sensor, power management module, GPS locator, displacement transducer, voice message
The control end of device, 3G wireless signal transceiver, charhing unit and photographic head is connected with controller respectively, and charhing unit is with battery even
Connecing, 3G wireless signal transceiver is connected with smart mobile phone radio communication.
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.
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 is charged, whenThen it is judged to need battery is charged.
The control method of new-energy automobile intelligent voice prompt system includes electric process under high pressure power up and low pressure；If
The battery current supply circuit at a number switch and No. three switch places is a current supply circuit, if No. two switch place battery current supply circuits
It is 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.
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 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；
Reference battery pressure reduction V according to application demand sets itself battery0If, the benchmark pressure differential deltap V >=V of battery0, by electricity
Battery is equalized by source control module, and detects the voltage of battery 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 cell 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 H2-H, whether equal to 1, if H2-H is equal to 1, then detects current threshold
It is equal to H, then terminates calibration detection；If H2-H is not equal to 1, then allow H1=H, and calculate new H=(H2+H1) ÷ 2, so
After the variable H-number that this is new is assigned to threshold register；
When comparison circuit output low level, it is judged that H-H1, whether equal to 1, if H-H1 is equal to 1, then detects current threshold
It is equal to H1, then terminates calibration detection；If H-H1 is not equal to 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 battery 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 (9)
1. new-energy automobile intelligent voice prompt system, it is characterised in that include battery, switch, No. two switches, power supply pipes
Reason module, low-voltage load, node, No. two nodes, No. three nodes, key switch module, full-vehicle control module, No. three open
Pass, distribution box, GPS locator, displacement transducer, voice prompting device, controller, 3G wireless signal transceiver, charhing unit and
Smart mobile phone；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, the feeder ear of voice prompting device and the confession of 3G wireless signal transceiver
Electricity end is both connected on the power output end of distribution box, and described power management module, GPS locator, displacement transducer, voice carry
Showing that device, 3G wireless signal transceiver and charhing unit are connected with controller respectively, charhing unit is connected with battery, 3G wireless signal
Transceiver is connected with smart mobile phone radio communication.
New-energy automobile intelligent voice prompt system the most according to claim 1, it is characterised in that also include with controller even
The ultrasonic range finder connect, and the feeder ear of ultrasonic range finder is connected on the power output end of distribution box.
New-energy automobile intelligent voice prompt system the most according to claim 1, it is characterised in that also include with controller even
The velocity sensor connect, and the feeder ear of velocity sensor is connected on the power output end of distribution box.
New-energy automobile intelligent voice prompt system the most according to claim 1, it is characterised in that also include with controller even
The memorizer connect, and the feeder ear of memorizer is connected on the power output end of distribution box.
New-energy automobile intelligent voice prompt system the most according to claim 1, it is characterised in that also include photographic head, take the photograph
As the control end of head is connected with controller, and the feeder ear of photographic head is connected on the power output end of distribution box.
6. being applicable to a control method for new-energy automobile intelligent voice prompt system described in claim 1, its feature exists
In, control method includes electric process under high pressure power up and low pressure；If the battery at a switch and No. three switch places is powered
Loop is 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.
The control method of new-energy automobile intelligent voice prompt system the most according to claim 6, it is characterised in that at electricity
Source control 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.
The control method of new-energy automobile intelligent voice prompt system the most according to claim 6, 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 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 pressure reduction V according to application demand sets itself battery0If, the benchmark pressure reduction △ V >=V of battery0, by power management mould
Battery is equalized by block, and detects the voltage of battery 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 cell voltage maximum differential pressure, as △ 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.
The control method of new-energy automobile intelligent voice prompt system the most according to claim 6, it is characterised in that power supply
Management module includes comparison circuit and current threshold comparator, and uses high level signal that comparison circuit exports to trigger self-inspection
Startup, whether reach the threshold value of threshold by the load current of current threshold comparator detection low-voltage load and judge ratio
The high level signal whether relatively circuit 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 is equal to 1, if H2-H is equal to 1, then detection current threshold is just etc.
In H, then terminate calibration detection；If H2-H is not equal to 1, then allow H1=H, and calculate new H=(H2+H1) ÷ 2, then will
This new variable H-number is assigned to threshold register；
When comparison circuit output low level, it is judged that whether H-H1 is equal to 1, if H-H1 is equal to 1, then detection current threshold is just etc.
In H1, then terminate calibration detection；If H-H1 is not equal to 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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