CN106184078B - New-energy automobile intelligent voice prompt system and its control method - Google Patents
New-energy automobile intelligent voice prompt system and its control method Download PDFInfo
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- CN106184078B CN106184078B CN201610686809.3A CN201610686809A CN106184078B CN 106184078 B CN106184078 B CN 106184078B CN 201610686809 A CN201610686809 A CN 201610686809A CN 106184078 B CN106184078 B CN 106184078B
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- 238000001514 detection method Methods 0.000 claims description 25
- 238000012423 maintenance Methods 0.000 claims description 10
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- 230000002159 abnormal effect Effects 0.000 claims description 6
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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
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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
- 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
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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
- 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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Abstract
The invention discloses new-energy automobile intelligent voice prompt system and its control methods.Be related to the vehicle-mounted Internet technical field of electric vehicle, which there is electric vehicle to supply power with double circuit system, battery can be safeguarded, self-test, evaluation.Including battery, No.1 switch, No. two switches, power management module, low-voltage load, No.1 node, No. two nodes, No. three nodes, key switch module, full-vehicle control module and No. three switches；The positive terminal of one end, No. two one end switched and battery that the No.1 switchs is connected on No.1 node；The other end of No. two switches, No. three other end, the power interface positive terminal of power management module and the power interface positive terminals of low-voltage load switched are both connected on No. two nodes；The negative pole end of the 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 power interface negative pole end be both connected on No. three nodes.
Description
Technical field
The present invention relates to new-energy automobile intelligent voice prompt technical fields, and in particular to new-energy automobile intelligent sound carries
Show system and its control method.
Background technology
The sound prompt function of the new-energy automobile of electric vehicle is all relatively single at present, and most of electric vehicle is in key
After signal is turned off, the power management module as dynamic power system core can not close also just without power supply in key signal
Fall the thoroughly evaluating in terms of rear power management module carries out once safety and reliability, also can not just make warning information prompting and
Ensure safety during operation next time.For existing electric vehicle using the charging modes filled are inserted, intelligence degree is low.It is and existing
There is electric vehicle after driver is stopped, if after vehicle is removed by people, which goes that when picking up the car the vehicle of oneself will be can not find,
And the relatives of speed speed situation driver that existing electric vehicle on the way travels not can know that, not realize relatives couple
The prompting of driver's driving speed speed, humanization level are relatively low.
Invention content
The present invention is to solve the single above shortcomings of the sound prompt function of existing new-energy automobile, provide one
Kind there is electric vehicle to supply power with double circuit system, power management module continues have electricity in setting time after can guarantee parking, can be right
Battery is safeguarded, self-test, evaluation, it is ensured that safety during operation electric vehicle next time is eliminated insecurity, is allowed each in advance
Capacity difference between battery is maintained in the range of preset capacity difference, and vehicle is also easy to know after being removed by people, and is easy to
The position of the vehicle after removing is found, the relatives of speed speed situation driver that electric vehicle on the way travels are also easy to know,
The new-energy automobile intelligent voice prompt system and its control method of prompting message are sent out to driver convenient for the relatives of driver.
More than technical problem is solved by following technical proposal：
New-energy automobile intelligent voice prompt system, including battery, No.1 switch, No. two switches, power management module, low
Press load, No.1 node, No. two nodes, No. three nodes, key switch module, full-vehicle control module, No. three switches, distribution box,
GPS locator, displacement sensor, voice prompting device, controller, 3G wireless signals transceiver, charhing unit and smart mobile phone；
The anode of one end, No. two one end switched and battery that the positive pole input terminal of the distribution box, No.1 switch
End is connected on No.1 node；The other end of the No.1 switch and the power interface positive terminal of full-vehicle control module are connected to three
Number switch one end on；No. two switch the other ends, No. three switch the other ends, power management module power interface positive terminal
It is both connected on No. two nodes with the power interface positive terminal of low-voltage load；Power cathode input terminal, the battery of the distribution box
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 terminal of the control terminal of the No.1 switch and No. three switches
All it is connect respectively with key switch module；The key switch module is connect with full-vehicle control module；The full-vehicle control module
It is connect with power management module；The control terminal of No. two switches is connect with power management module；The feeder ear of the controller,
The confession of the feeder ear of GPS locator, the feeder ear of displacement sensor, the feeder ear of voice prompting device and 3G wireless signal transceivers
Electric end is both connected on the power output end of distribution box, and the power management module, GPS locator, displacement sensor, voice carry
Show that device, 3G wireless signals transceiver and charhing unit are connect respectively with controller, charhing unit is connect with battery, 3G wireless signals
Transceiver is connected with smart mobile phone wireless communication.
The electric vehicle of this programme has the system that supplies power with double circuit, and power management module is in setting time after can guarantee parking
Continue have electricity, battery can be safeguarded, self-test, evaluation, it is ensured that safety during operation electric vehicle next time is eliminated uneasy in advance
Total factor, the capacity difference allowed between each battery are maintained in the range of preset capacity difference, play the role of safety guarantee.
It is also easy to know after vehicle is removed by people, and can easily find the position of the vehicle after removing.It is on the way travelled when electric vehicle
The relatives of speed speed situation driver are also easy to know, prompting message is sent out to driver convenient for the relatives of driver.
Preferably, the ultrasonic range finder being connect with controller is further included, and the feeder ear of ultrasonic range finder connects
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 pay attention to front spacing, reduce vehicle rear-end collision accident.
Preferably, the velocity sensor being connect with controller is further included, and the feeder ear of velocity sensor is connected to
On the power output end of distribution box.Velocity sensor knows the speed of current vehicle convenient for relatives convenient for checking speed.
Preferably, the memory being connect with controller is further included, and the feeder ear of memory is connected to distribution box
On power output end.Memory is convenient for the storage of each data of new-energy automobile intelligent voice prompt system, simple and easy to use.
Preferably, further including camera, the control terminal of camera is connect with controller, and the feeder ear of camera connects
It is connected on the power output end of distribution box.Vehicle periphery information is remotely checked by camera convenient for user, allows relatives can be more
It is intuitive that driver is reminded to pay attention to front spacing, reduce vehicle rear-end collision accident.
Preferably, a kind of control method suitable for new-energy automobile intelligent voice prompt system, control method includes
Electric process under high pressure power up and low pressure；If No.1 switchs and the battery powered circuit at No. three switch places powers back for No.1
Road, if battery powered circuit where No. two switches is No. two current supply circuits；
The high pressure power up is：Key switch module switchs the signal of a closure to No.1, while key is opened
Module is closed also to the signal of one closure of No. three switches, and No.1 switch and No. three switches are all closed immediately, when No.1 switch and three
After number switch is all closed, the conducting of No.1 current supply circuit, power management module and low-voltage load are only supplied at this time by No.1 current supply circuit
Electricity；Then power management module is initialized immediately, and carries out self-test after initialization；Then power management module allows No. two
Switch is closed, and No. two current supply circuits is allowed to be connected, and power management module and low-voltage load are supplied at this time by No.1 current supply circuit and No. two
Electrical circuit is powered jointly, and high pressure power up terminates；
Electric process is under the low pressure：Key switch module switchs the signal of a disconnection to No.1, while key is opened
Module is closed also to the signal of one disconnection of No. three switches, and No.1 switch and No. three switches all disconnect immediately, when No.1 switch and three
After number switch all disconnects, No.1 current supply circuit disconnects, and power management module and low-voltage load are only supplied at this time by No. two current supply circuits
Electricity, then power management module safeguards battery, self-test, evaluation and data record preserve, electricity after data record has preserved
Two of No. two switch disconnections of source control module control, immediately No. two current supply circuits disconnections, power management module and low-voltage load
Current supply circuit all disconnects, and electric process terminates under low pressure.
There is this programme electric vehicle to supply power with double circuit system, can guarantee after parking power management module in setting time after
Continuous have electricity, battery can be safeguarded, self-test, evaluation, it is ensured that safety during electric vehicle operation next time is eliminated dangerous in advance
Factor plays the role of safety guarantee.
Preferably, containing the benchmark OCV curves of battery in power management module memory, and record benchmark OCV curves
Benchmark pressure difference；
After key is pulled out in electric vehicle parking, power management module then is continued to power by No. two current supply circuit power supplies；Work as electricity
Source control module then judges that electric vehicle is in dead ship condition after the signal that can't detect full-vehicle control module；
Then power management module safeguards battery, and battery standing h, Ran Hou electricity for a period of time are kept after the completion of safeguarding
Source control module detects the parking OCV curves of battery；And record the parking pressure difference of parking OCV curves；
Parking pressure difference with benchmark pressure difference is compared, if parking pressure difference >=benchmark pressure difference, it is abnormal to judge that battery occurs,
And send out corresponding alarm；
The power management module detects entire battery when powering on next time, but before electric vehicle is also not actuated
Start the switch DP of OCV curves, and compared with switch DP and benchmark pressure difference, if switch DP >=benchmark pressure difference, sentences
It powers off pond and exception occurs, and send out corresponding alarm.
Preferably, further include self-test, evaluation, maintenance process and the electricity completion under parking of battery after electric vehicle parking
After allow electric vehicle parking a period of time, self-test before electric automobile high-voltage is powered on when electric vehicle is again started up was evaluated
Journey；
(1), the self-test of battery, evaluation, maintenance process are as follows after electric vehicle parking：
It is kept off to OFF and kept off by ON when key switch module, full-vehicle control module and power management module detect flame-out instruction；
Power management module judges high pressure, and full-vehicle control module controls No.1 switch and No. three by key switch module
Switch all disconnects；And power management module then continues No. two switches of control and is closed；
Power management module detects battery temperature T, and power management module also detects the voltage of battery simultaneously；
According to application demand sets itself reference temperature value T0If T >=T0, by power management module control low-voltage load
Cooling mechanism radiates to battery；And detection battery temperature T in real time；
According to the benchmark pressure difference V of application demand sets itself battery0If benchmark pressure differential deltap V >=V of battery0, by power supply pipe
It manages module and voltage that is balanced, and detecting battery in real time is carried out to battery；
According to application demand, sets itself temperature value T1＜ T0, power management module detection battery temperature, as T ＜ T1When,
Power management module control cooling mechanism stops heat dissipation；Power management module detects cell voltage maximum differential pressure, as Δ V ＜ V0,
Stop balanced；
Power management module records the time of repose h of battery, according to application demand sets itself benchmark time of repose h1, when
During time of repose h >=h1,
Battery is moved by power management module and carries out SOC value correction, records the correlation of OCV curves, internal resistance, insulation resistance value
It can parameter；
Data are all kept records of by power management module；
Power management module controls No. two switches to disconnect, and No. two current supply circuits power off immediately；
So far, the self-test of battery, evaluation, maintenance process terminate after electric vehicle parking；
(2), after the completion of electricity under parking, electric vehicle parking a period of time, when electric vehicle is again started up, electricity are allowed
Electrical automobile high pressure power on before self-test, evaluation procedure it is as follows：
When key switch to ON is kept off, full-vehicle control module and power management module detect enabled instruction；
Full-vehicle control module control No.1 switch is closed, the conducting of No.1 current supply circuit；
Power management module initializes and self-test controls No. two switches to be closed：No. two current supply circuit conductings；
Power management module records the correlation performance parameters of OCV curves, internal resistance, insulation resistance value；
Data and original stored data before power management module comparison high voltage startup；And comparison parking when and high voltage startup
Preceding voltage data,
(parking pressure difference-switch DP) ÷ down times >=setting voltage then judge that the internal resistance of battery is abnormal, and send out pair
Answer alarm；
Power management module is alarmed to full-vehicle control module, ensures the status safety before electric vehicle each run；
High pressure is completed if all going well to power on；
So far, after the completion of electricity under parking, electric vehicle parking a period of time, when electric vehicle is again started up, electricity are allowed
Electrical automobile high pressure power on before self-test, evaluation procedure terminates.
Preferably, power management module includes comparison circuit and current threshold comparator, and exported using comparison circuit
High level signal trigger the startup of self-test, whether the load current that low-voltage load is detected by current threshold comparator reaches
The threshold value of threshold judges high level signal that whether comparison circuit exports；
The current detection threshold of current threshold comparator is set by the threshold register of the current threshold comparator, if electric
The current detection threshold ranging from H1-H2 of threshold comparator is flowed, presetting standard source output needs the electric signal detected, and set
The bottom threshold of the current detection threshold range of current threshold comparator is H1, if the current detection threshold of current threshold comparator
The upper threshold of range is H2, if it is variable H to fall the value limited under the threshold value between H1 and upper threshold H2；It and will be under threshold value
Limit H1, upper threshold H2 and variable H are stored in threshold register together；
When comparison circuit exports high level, judge whether H2-H is equal to 1, if H2-H is equal to 1, detect current threshold
H is equal to, then terminates calibration detection；If H2-H is not equal to 1, H1=H is allowed, and calculate new H=(H2+H1) ÷ 2, so
This new variable H value is assigned to threshold register afterwards；
When comparison circuit exports low level, judge whether H-H1 is equal to 1, if H-H1 is equal to 1, detect current threshold
H1 is equal to, then terminates calibration detection；If H-H1 is not equal to 1, H2=H is allowed, and calculate new H=(H2+H1) ÷ 2,
Then this new variable H value is assigned to threshold register；
Then the low and high level signal for comparison circuit being controlled to export by variable H values new in threshold register.
The present invention can reach following effect：
Electric vehicle of the present invention, which has, to supply power with double circuit system, can guarantee after parking power management module in setting time after
Continuous have electricity, battery can be safeguarded, self-test, evaluation, it is ensured that safety during electric vehicle operation next time is eliminated dangerous in advance
Factor plays the role of safety guarantee.It is also easy to know after vehicle is removed by people, and can easily find the position of the vehicle after removing
It puts.When the relatives of speed speed situation driver that electric vehicle on the way travels are also easy to know, convenient for the relatives of driver
Prompting message is sent out to driver.
Description of the drawings
Fig. 1 is a kind of schematic diagram of circuit principle connecting structure of the present invention.
Fig. 2 be the self-test of battery after electric vehicle of the present invention stops, evaluation, maintenance process a kind of flow diagram.
Fig. 3 after the completion of electricity under parking, allows electric vehicle parking a period of time, when electric vehicle is again started up to be of the invention
When, electric automobile high-voltage power on before self-test, evaluation procedure a kind of flow diagram.
Fig. 4 is a kind of flow diagram present invention determine that the high level signal whether comparison circuit exports.
Specific embodiment
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Embodiment, new-energy automobile intelligent voice prompt system is shown in Figure 1, including battery 1, No.1 switch 2, two
Number switch 3, power management module 4, low-voltage load 5, the node 7, three of No.1 node 6, two node 8, key switch module 9,
10, No. three switches 11 of full-vehicle control module, distribution box 20, GPS locator 22, displacement sensor 23, voice prompting device 24, control
Device 29,3G wireless signals transceiver 28, charhing unit 30, smart mobile phone 31, camera 32 and velocity sensor 33.
The anode of one end, No. two one end switched and battery that the positive pole input terminal of the distribution box, No.1 switch
End is connected on No.1 node；The other end of the No.1 switch and the power interface positive terminal of full-vehicle control module are connected to three
Number switch one end on；No. two switch the other ends, No. three switch the other ends, power management module power interface positive terminal
It is both connected on No. two nodes with the power interface positive terminal of low-voltage load；Power cathode input terminal, the battery of the distribution box
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 terminal of the control terminal of the No.1 switch and No. three switches
All it is connect respectively with key switch module；The key switch module is connect with full-vehicle control module；The full-vehicle control module
It is connect with power management module；The control terminal of No. two switches is connect with power management module；
The feeder ear of the velocity sensor, the feeder ear of controller, the feeder ear of GPS locator, displacement sensor
Feeder ear, the feeder ear of voice prompting device, the feeder ear of 3G wireless signal transceivers and camera feeder ear be both connected to and match
On the power output end of electronic box, the velocity sensor, power management module, GPS locator, displacement sensor, voice prompt
Device, 3G wireless signals transceiver, charhing unit and camera control terminal connect respectively with controller, charhing unit connects with battery
It connects, 3G wireless signals transceiver is connected with smart mobile phone wireless communication.
The ultrasonic range finder 26 being connect with controller is further included, and the feeder ear of ultrasonic range finder is connected to distribution
On the power output end of case.
The memory 21 being connect with controller is further included, and the feeder ear of memory is connected to the power supply output of distribution box
On end.
The battery is the rechargeable battery using peak-trough electricity charging, to electricity if current time is in paddy electricity chargeable time
It charges in pond；
If current time is in except paddy electricity chargeable time, power management module is to one basic power threshold of battery assignment
W, power management module read the charge value A of current time, paddy electricity chargeable time opening time and present battery, power management mould
Block calculates current time and the difference of paddy electricity chargeable time opening time obtains time difference T；
Power management module calculates Am1+Tm2, m1And m2For the weighting coefficient of setting, work as Am1+Tm2>=W is then judged to being not required to
It to charge to battery, whenThen it is judged to needing to charge to battery.
The control method of new-energy automobile intelligent voice prompt system includes electric process under high pressure power up and low pressure；If
No.1 switchs and the battery powered circuit at No. three switch places is No.1 current supply circuit, if battery powered circuit where No. two switches
For No. two current supply circuits；
The high pressure power up is：Key switch module switchs the signal of a closure to No.1, while key is opened
Module is closed also to the signal of one closure of No. three switches, and No.1 switch and No. three switches are all closed immediately, when No.1 switch and three
After number switch is all closed, the conducting of No.1 current supply circuit, power management module and low-voltage load are only supplied at this time by No.1 current supply circuit
Electricity；Then power management module is initialized immediately, and carries out self-test after initialization；Then power management module allows No. two
Switch is closed, and No. two current supply circuits is allowed to be connected, and power management module and low-voltage load are supplied at this time by No.1 current supply circuit and No. two
Electrical circuit is powered jointly, and high pressure power up terminates；
Electric process is under the low pressure：Key switch module switchs the signal of a disconnection to No.1, while key is opened
Module is closed also to the signal of one disconnection of No. three switches, and No.1 switch and No. three switches all disconnect immediately, when No.1 switch and three
After number switch all disconnects, No.1 current supply circuit disconnects, and power management module and low-voltage load are only supplied at this time by No. two current supply circuits
Electricity, then power management module safeguards battery, self-test, evaluation and data record preserve, electricity after data record has preserved
Two of No. two switch disconnections of source control module control, immediately No. two current supply circuits disconnections, power management module and low-voltage load
Current supply circuit all disconnects, and electric process terminates under low pressure.
The benchmark OCV curves of battery are contained, and record the benchmark pressure difference of benchmark OCV curves in power management module memory；
After key is pulled out in electric vehicle parking, power management module then is continued to power by No. two current supply circuit power supplies；Work as electricity
Source control module then judges that electric vehicle is in dead ship condition after the signal that can't detect full-vehicle control module；
Then power management module safeguards battery, and battery standing h, Ran Hou electricity for a period of time are kept after the completion of safeguarding
Source control module detects the parking OCV curves of battery；And record the parking pressure difference of parking OCV curves；
Parking pressure difference with benchmark pressure difference is compared, if parking pressure difference >=benchmark pressure difference, it is abnormal to judge that battery occurs,
And send out corresponding alarm；
The power management module detects entire battery when powering on next time, but before electric vehicle is also not actuated
Start the switch DP of OCV curves, and compared with switch DP and benchmark pressure difference, if switch DP >=benchmark pressure difference, sentences
It powers off pond and exception occurs, and send out corresponding alarm.
It further includes the self-test of battery after electric vehicle parking, evaluation, maintenance process and is allowed after the completion of electricity under parking electronic
Parking of automobile for a period of time, self-test, evaluation procedure before electric automobile high-voltage is powered on when electric vehicle is again started up；
Shown in Figure 2, the self-test of battery, evaluation, maintenance process are as follows after the parking of (one), electric vehicle：
It is kept off to OFF and kept off by ON when key switch module, full-vehicle control module and power management module detect flame-out instruction；
Power management module judges high pressure, and full-vehicle control module controls No.1 switch and No. three by key switch module
Switch all disconnects；And power management module then continues No. two switches of control and is closed；
Power management module detects battery temperature T, and power management module also detects the voltage of battery simultaneously；
According to application demand sets itself reference temperature value T0If T >=T0, by power management module control low-voltage load
Cooling mechanism radiates to battery；And detection battery temperature T in real time；
According to the reference battery pressure difference V of application demand sets itself battery0If benchmark pressure differential deltap V >=V of battery0, by electricity
Source control module carries out battery voltage that is balanced, and detecting battery in real time；
According to application demand, sets itself temperature value T1＜ T0, power management module detection battery temperature, as T ＜ T1When,
Power management module control cooling mechanism stops heat dissipation；Power management module detects cell voltage maximum differential pressure, as Δ V ＜ V0,
Stop balanced；
Power management module records the time of repose h of battery, according to application demand sets itself benchmark time of repose h1, when
During time of repose h >=h1,
Battery is moved by power management module and carries out SOC value correction, records the correlation of OCV curves, internal resistance, insulation resistance value
It can parameter；
Data are all kept records of by power management module；
Power management module controls No. two switches to disconnect, and No. two current supply circuits power off immediately；
So far, the self-test of battery, evaluation, maintenance process terminate after electric vehicle parking；
It is shown in Figure 3, (two), after the completion of electricity under parking, allow electric vehicle parking a period of time, when electric vehicle again
During secondary startup, electric automobile high-voltage power on before self-test, evaluation procedure it is as follows：
When key switch to ON is kept off, full-vehicle control module and power management module detect enabled instruction；
Full-vehicle control module control No.1 switch is closed, the conducting of No.1 current supply circuit；
Power management module initializes and self-test controls No. two switches to be closed：No. two current supply circuit conductings；
Power management module records the correlation performance parameters of OCV curves, internal resistance, insulation resistance value；
Data and original stored data before power management module comparison high voltage startup；And comparison parking when and high voltage startup
Preceding voltage data,
(parking pressure difference-switch DP) ÷ down times >=setting voltage then judge that the internal resistance of battery is abnormal, and send out pair
Answer alarm；
Power management module is alarmed to full-vehicle control module, ensures the status safety before electric vehicle each run；
High pressure is completed if all going well to power on；
So far, after the completion of electricity under parking, electric vehicle parking a period of time, when electric vehicle is again started up, electricity are allowed
Electrical automobile high pressure power on before self-test, evaluation procedure terminates.
Shown in Figure 4, power management module includes comparison circuit and current threshold comparator, and defeated using comparison circuit
The high level signal gone out triggers the startup of self-test, and whether the load current that low-voltage load is detected by current threshold comparator reaches
Judge high level signal that whether comparison circuit exports to the threshold value of threshold；
The current detection threshold of current threshold comparator is set by the threshold register of the current threshold comparator, if electric
The current detection threshold ranging from H1-H2 of threshold comparator is flowed, presetting standard source output needs the electric signal detected, and set
The bottom threshold of the current detection threshold range of current threshold comparator is H1, if the current detection threshold of current threshold comparator
The upper threshold of range is H2, if it is variable H to fall the value limited under the threshold value between H1 and upper threshold H2；It and will be under threshold value
Limit H1, upper threshold H2 and variable H are stored in threshold register together；
When comparison circuit exports high level, judge whether H2-H is equal to 1, if H2-H is equal to 1, detect current threshold
H is equal to, then terminates calibration detection；If H2-H is not equal to 1, H1=H is allowed, and calculate new H=(H2+H1) ÷ 2, so
This new variable H value is assigned to threshold register afterwards；
When comparison circuit exports low level, judge whether H-H1 is equal to 1, if H-H1 is equal to 1, detect current threshold
H1 is equal to, then terminates calibration detection；If H-H1 is not equal to 1, H2=H is allowed, and calculate new H=(H2+H1) ÷ 2,
Then this new variable H value is assigned to threshold register；
Then the low and high level signal for comparison circuit being controlled to export by variable H values new in threshold register.
The present embodiment electric vehicle has the system that supplies power with double circuit, and power management module is in setting time after can guarantee parking
Continue have electricity, battery can be safeguarded, self-test, evaluation, it is ensured that safety during operation electric vehicle next time is eliminated uneasy in advance
Total factor, the capacity difference allowed between each battery are maintained in the range of preset capacity difference, play the role of safety guarantee.
It is also easy to know after vehicle is removed by people, and can easily find the position of the vehicle after removing.It is on the way travelled when electric vehicle
The relatives of speed speed situation driver are also easy to know, prompting message is sent out to driver convenient for the relatives of 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 pays attention to front spacing, reduces vehicle rear-end collision accident.
Embodiments of the present invention are described above in conjunction with attached drawing, however, the implementation is not limited to the above embodiments, this field
Those of ordinary skill can be with various changes and modifications may be made within the scope of the appended claims.
Claims (9)
1. new-energy automobile intelligent voice prompt system, which is characterized in that including battery, No.1 switch, No. two switches, power supply pipes
Reason module, low-voltage load, No.1 node, No. two nodes, No. three nodes, key switch module, full-vehicle control module, No. three open
Pass, distribution box, GPS locator, displacement sensor, voice prompting device, controller, 3G wireless signals transceiver, charhing unit and
Smart mobile phone；The anode of one end, No. two one end switched and battery that the positive pole input terminal of the distribution box, No.1 switch
End is connected on No.1 node；The other end of the No.1 switch and the power interface positive terminal of full-vehicle control module are connected to three
Number switch one end on；No. two switch the other ends, No. three switch the other ends, power management module power interface positive terminal
It is both connected on No. two nodes with the power interface positive terminal of low-voltage load；Power cathode input terminal, the battery of the distribution box
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 terminal of the control terminal of the No.1 switch and No. three switches
All it is connect respectively with key switch module；The key switch module is connect with full-vehicle control module；The full-vehicle control module
It is connect with power management module；The control terminal of No. two switches is connect with power management module；The feeder ear of the controller,
The confession of the feeder ear of GPS locator, the feeder ear of displacement sensor, the feeder ear of voice prompting device and 3G wireless signal transceivers
Electric end is both connected on the power output end of distribution box, and the power management module, GPS locator, displacement sensor, voice carry
Show that device, 3G wireless signals transceiver and charhing unit are connect respectively with controller, charhing unit is connect with battery, 3G wireless signals
Transceiver is connected with smart mobile phone wireless communication.
2. new-energy automobile intelligent voice prompt system according to claim 1, which is characterized in that further include and connect with controller
The ultrasonic range finder connect, and the feeder ear of ultrasonic range finder is connected on the power output end of distribution box.
3. new-energy automobile intelligent voice prompt system according to claim 1, which is characterized in that further include and connect with controller
The velocity sensor connect, and the feeder ear of velocity sensor is connected on the power output end of distribution box.
4. new-energy automobile intelligent voice prompt system according to claim 1, which is characterized in that further include and connect with controller
The memory connect, and the feeder ear of memory is connected on the power output end of distribution box.
5. new-energy automobile intelligent voice prompt system according to claim 1, which is characterized in that further include camera, take the photograph
As the control terminal of head is connect with controller, and the feeder ear of camera is connected on the power output end of distribution box.
6. a kind of control method suitable for new-energy automobile intelligent voice prompt system described in claim 1, feature exists
In control method includes electric process under high pressure power up and low pressure；If No.1 switchs and the battery powered at No. three switch places
Circuit is No.1 current supply circuit, if battery powered circuit where No. two switches is No. two current supply circuits；
The high pressure power up is：Key switch module switchs the signal of a closure, while key switch mould to No.1
Also to the signal of one closure of No. three switches, No.1 switch and No. three switches are all closed block immediately, when No.1 switch and No. three are opened
It closes after being all closed, the conducting of No.1 current supply circuit, power management module and low-voltage load are only powered at this time by No.1 current supply circuit；So
Power management module is initialized immediately afterwards, and carries out self-test after initialization；Then power management module allows No. two switches
It is closed, No. two current supply circuits is allowed to be connected, power management module and low-voltage load are powered back at this time by No.1 current supply circuit and No. two
Road powers jointly, and high pressure power up terminates；
Electric process is under the low pressure：Key switch module switchs the signal of a disconnection, while key switch mould to No.1
Also to the signal of one disconnection of No. three switches, No.1 switch and No. three switches all disconnect block immediately, when No.1 switch and No. three are opened
It closes after all disconnecting, No.1 current supply circuit disconnects, and power management module and low-voltage load are only powered at this time by No. two current supply circuits, so
Power management module safeguards battery afterwards, self-test, evaluation and data record preserve, power management mould after data record has been protected
Block controls No. two switches to disconnect, and No. two current supply circuits disconnect immediately, two current supply circuits of power management module and low-voltage load
It all disconnects, electric process terminates under low pressure.
7. the control method of new-energy automobile intelligent voice prompt system according to claim 6, which is characterized in that in electricity
Source control module memory contains the benchmark OCV curves of battery, and records the benchmark pressure difference of benchmark OCV curves；
After key is pulled out in electric vehicle parking, power management module then is continued to power by No. two current supply circuits；When power management mould
Block then judges that electric vehicle is in dead ship condition after the signal that can't detect full-vehicle control module；
Then power management module safeguards battery, battery standing h for a period of time is kept after the completion of safeguarding, then power supply pipe
Manage the parking OCV curves of module detection battery；And record the parking pressure difference of parking OCV curves；
Parking pressure difference with benchmark pressure difference is compared, if parking pressure difference >=benchmark pressure difference, it is abnormal to judge that battery occurs, concurrently
Go out corresponding alarm；
The power management module detects the startup of entire battery when powering on next time, but before electric vehicle is also not actuated
The switch DP of OCV curves, and compared with switch DP and benchmark pressure difference, if switch DP >=benchmark pressure difference, judges electricity
There is exception in pond, and sends out corresponding alarm.
8. the control method of new-energy automobile intelligent voice prompt system according to claim 6, which is characterized in that
Further include self-test, evaluation, maintenance process and the electric electric vehicle that allows after the completion under parking of battery after electric vehicle stops
Parking a period of time, self-test, evaluation procedure before electric automobile high-voltage is powered on when electric vehicle is again started up；
(1), the self-test of battery, evaluation, maintenance process are as follows after electric vehicle parking：
It is kept off to OFF and kept off by ON when key switch module, full-vehicle control module and power management module detect flame-out instruction；
Power management module judges high pressure, and full-vehicle control module controls No.1 switch and No. three switches by key switch module
All disconnect；And power management module then continues No. two switches of control and is closed；
Power management module detects battery temperature T, and power management module also detects the voltage of battery simultaneously；
According to application demand sets itself reference temperature value T0If T >=T0, by the heat dissipation of power management module control low-voltage load
Mechanism radiates to battery；And detection battery temperature T in real time；
According to the benchmark pressure difference V of application demand sets itself battery0If benchmark pressure difference △ V >=V of battery0, by power management mould
Block carries out battery voltage that is balanced, and detecting battery in real time；
According to application demand, sets itself temperature value T1＜ T0, power management module detection battery temperature, as T ＜ T1When, power supply
Management module control cooling mechanism stops heat dissipation；Power management module detects cell voltage maximum differential pressure, as △ V ＜ V0, stop
It is balanced；
Power management module records the time of repose h of battery, according to application demand sets itself benchmark time of repose h1, works as standing
During time h >=h1,
Battery is moved by power management module and carries out SOC value correction, records the correlated performance ginseng of OCV curves, internal resistance, insulation resistance value
Number；
Data are all kept records of by power management module；
Power management module controls No. two switches to disconnect, and No. two current supply circuits power off immediately；
So far, the self-test of battery, evaluation, maintenance process terminate after electric vehicle parking；
(2), after the completion of electricity under parking, electric vehicle parking a period of time, when electric vehicle is again started up, electronic vapour are allowed
Overall height pressure power on before self-test, evaluation procedure it is as follows：
When key switch to ON is kept off, full-vehicle control module and power management module detect enabled instruction；
Full-vehicle control module control No.1 switch is closed, the conducting of No.1 current supply circuit；
Power management module initializes and self-test controls No. two switches to be closed：No. two current supply circuit conductings；
Power management module records the correlation performance parameters of OCV curves, internal resistance, insulation resistance value；
Data and original stored data before power management module comparison high voltage startup；And comparison parking when and high voltage startup before electricity
Press data,
(parking pressure difference-switch DP) ÷ down times >=setting voltage then judge that the internal resistance of battery is abnormal, and sends out corresponding report
Alert prompting；
Power management module is alarmed to full-vehicle control module, ensures the status safety before electric vehicle each run；
High pressure is completed if all going well to power on；
So far, after the completion of electricity under parking, electric vehicle parking a period of time, when electric vehicle is again started up, electronic vapour are allowed
Overall height pressure power on before self-test, evaluation procedure terminates.
9. the control method of new-energy automobile intelligent voice prompt system according to claim 6, which is characterized in that power supply
Management module includes comparison circuit and current threshold comparator, and triggers self-test using the high level signal of comparison circuit output
Startup, whether the load current that low-voltage load is detected by current threshold comparator reach the threshold value of threshold and judge ratio
The high level signal whether exported compared with circuit；
The current detection threshold of current threshold comparator is set by the threshold register of the current threshold comparator, if current threshold
It is worth the current detection threshold ranging from H1-H2 of comparator, presetting standard source output needs the electric signal detected, and set electric current
The bottom threshold of the current detection threshold range of threshold comparator is H1, if the current detection threshold range of current threshold comparator
Upper threshold for H2, if it is variable H to fall the value limited under the threshold value between H1 and upper threshold H2；And by bottom threshold
H1, upper threshold H2 and variable H are stored in threshold register together；
When comparison circuit exports high level, judge whether H2-H is equal to 1, if H2-H is equal to 1, detect current threshold just etc.
In H, then terminate calibration detection；If H2-H is not equal to 1, H1=H is allowed, and calculate new H=(H2+H1) ÷ 2, then will
This new variable H value is assigned to threshold register；
When comparison circuit exports low level, judge whether H-H1 is equal to 1, if H-H1 is equal to 1, detect current threshold just etc.
In H1, then terminate calibration detection；If H-H1 is not equal to 1, H2=H is allowed, and calculate new H=(H2+H1) ÷ 2, then
This new variable H value is assigned to threshold register；
Then the low and high level signal for comparison circuit being controlled to export by variable H values new in threshold register.
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| CN106593035B (en) * | 2016-12-27 | 2018-09-25 | 贵州航天南海科技有限责任公司 | A kind of sky parking's movement project setting method |
| CN106882294B (en) * | 2017-01-09 | 2019-02-19 | 浙江大学 | A kind of campus bicycle intelligent anti-theft system |
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| CN201893567U (en) * | 2010-09-30 | 2011-07-06 | 国家电网公司 | Electric energy supply system for electric automobile |
| CN202016445U (en) * | 2011-04-18 | 2011-10-26 | 北京理工华创电动车技术有限公司 | Finished vehicle controller for electric vehicle |
| CN204340722U (en) * | 2014-12-17 | 2015-05-20 | 惠州市亿能电子有限公司 | A kind of intelligent power supply circuit of electrokinetic cell system |
| CN105346395B (en) * | 2015-11-20 | 2018-03-13 | 石家庄市均益电子有限公司 | A kind of electric automobile power-off system and the electric automobile with power-off system |
| CN105730272B (en) * | 2016-02-04 | 2018-05-25 | 中国第一汽车股份有限公司 | A kind of control method of new energy vehicle low tension management system |
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