CN108215801A - Electric automobile high-voltage electrification control method - Google Patents
Electric automobile high-voltage electrification control method Download PDFInfo
- Publication number
- CN108215801A CN108215801A CN201711474612.4A CN201711474612A CN108215801A CN 108215801 A CN108215801 A CN 108215801A CN 201711474612 A CN201711474612 A CN 201711474612A CN 108215801 A CN108215801 A CN 108215801A
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- Prior art keywords
- signal
- entire car
- car controller
- effective
- vcu
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
Abstract
The invention discloses a kind of electric automobile high-voltage electrification control method, key powers on：VCU receives the self-test signal of MCU and BMS；The line interlocking signal of VCU and PDU, receive the interlocking signal of BMS and MCU, whether VCU detection gear signals are neutral gear, whether brake signal is effective, whether VCU, which receives MCU, allows power on signal, whether trickle charge CC and fast charge CC2 signals are effective, if the effective VCU of above-mentioned signal is closed main relay successively, preliminary filling relay, whether the busbar voltage of MCU is less than 25.2 volts with battery pack stagnation pressure difference, VCU is attracted main positive relay, whether the busbar voltage of MCU is less than 15 volts with battery pack stagnation pressure difference, VCU disconnects preliminary filling relay, and it sends a signal to MCU and enables, VCU transmissions high pressure, which powers on, completes signal.The present invention can solve the problem of the prior art, and there are security risk whole vehicle stability is bad and device lifetime is short.
Description
Technical field
The present invention relates to electric vehicle manufacturing technology fields, especially a kind of control for being powered on to electric automobile high-voltage
Method.
Background technology
Existing electric vehicle does not sentence high-voltage interlocking signal and charging connection signal when being powered on into horizontal high voltage
It is disconnected, vehicle is easy to cause in the case where not allowing to power on（As steering controller high-voltage wiring harness loosens, vehicle is just charging）
When up train high pressure, cause occur safety problem.Electric machine controller bus capacitor pre-charge process is used to be prolonged according to time constant
When control, easily there is capacitance precharge and do not complete just to be attracted main positive relay, big electric current is generated to bus capacitor and battery pack
Impact, influences whole vehicle stability and device lifetime.
Entire car controller（Abbreviation VCU）, electric machine controller（Abbreviation MCU）, battery management system（Abbreviation BMS, high voltage power distribution
Box（Referred to as（PDU）.
Invention content
The object of the present invention is to provide a kind of electric automobile high-voltage electrification control methods, it can solve prior art presence
The problem of security risk, whole vehicle stability is bad and device lifetime is short.
To solve the above-mentioned problems, the technical solution adopted by the present invention is：This electric automobile high-voltage electrification control method,
Step is：1), start, key powers on：2), entire car controller receives the self-test signal of electric machine controller battery management system；
3), whether electric machine controller and battery management system self-test pass through, if so, into next step, if it is not, then terminating, move back
Go out high pressure to power on；4), the line interlocking signal of entire car controller self-test and high voltage distribution box, at the same receive battery management system and
The interlocking signal of electric machine controller；5), whether high voltage distribution box and the interlocking of entire car controller line are effective, battery management system is mutual
Whether whether effective and electric machine controller interlocking signal is effective for lock signal, if the signal is all effective, into next step, if
It does not imitate, entire car controller sends interlock fault, and stores error code, exits high pressure and powers on；6), entire car controller detection gear
Whether signal is neutral gear, and whether brake signal is effective, next step is entered if the two conditions are met simultaneously, if cannot meet
The two conditions then exit high pressure and power on；7), whether entire car controller, which receives electric machine controller, allows power on signal, if
It then enters step 9), if not then entering next step；8), entire car controller disconnects main positive relay and main negative relay successively
Device；9), whether trickle charge CC and fast charge CC2 signals are effective, if so, into next step if it is not, then terminating to exit in high pressure
Electricity；10), entire car controller is closed main relay, preliminary filling relay successively；11), entire car controller receives the mother of electric machine controller
Line voltage is compared with battery pack stagnation pressure；12), whether the busbar voltage of electric machine controller and battery pack stagnation pressure difference are less than 25.2
Volt, if then entering next step, if it is not, return to step 11)；13), entire car controller is attracted main positive relay；14) it is, electric
Whether the busbar voltage of machine controller is less than 15 volts with battery pack stagnation pressure difference, if then entering next step, if not then weighing
Multiple step 14)；15), entire car controller disconnects preliminary filling relay, and sends a signal to electric machine controller and enable；16), vehicle control
Device processed whether feedback operation state, if enter next step, if not entering step 8)；17), entire car controller sends high
Pressure, which powers on, completes signal, and high pressure powers on end.
By adopting the above-described technical solution, it compared with prior art, the present invention has an advantageous effect in that：Due to this hair
Bright high-voltage interlocking signal, the charging connection signal of increasing powers on electric automobile high-voltage and is strictly controlled as decision condition,
Safety problem is avoided the occurrence of, preliminary filling process carries out condition judgment using electric machine controller voltage and battery pack voltage difference, it is ensured that electricity
Main positive relay is attracted after the completion of capacity charge again, ensure that the stability of vehicle and the service life of device.
Description of the drawings
Fig. 1 is the flow diagram of the present invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples：
Electric automobile high-voltage electrification control method shown in FIG. 1, step are： 1）, start, key powers on：2）, entire car controller
Receive the self-test signal of electric machine controller battery management system；3）, electric machine controller and battery management system self-test whether pass through,
If so, into next step, if it is not, then terminating, exit high pressure and power on, 4, entire car controller self-test and high voltage distribution box
Line interlocking signal, while receive the interlocking signal of battery management system and electric machine controller；5）, high voltage distribution box and vehicle control
Effectively whether the line of device processed, whether effective and electric machine controller interlocking signal is effective for battery management system interlocking signal,
If signal is all effective, into next step, if not imitating, entire car controller sends interlock fault, and stores error code, exits
High pressure powers on；6）, entire car controller detection gear signal whether be neutral gear, whether brake signal effective, if meet simultaneously this two
A condition then enters next step, if cannot meet the two conditions, exits high pressure and powers on；7）, whether entire car controller connect
Receiving electric machine controller allows power on signal, if then entering step 9）, if not then entering next step；8）, full-vehicle control
Device disconnects main positive relay and main negative relay successively；9）, trickle charge CC and fast charge CC2 signals it is whether effective, if so, under
One step powers on if it is not, then terminating to exit high pressure；10）, entire car controller be closed main relay, preliminary filling relay successively；
11）, entire car controller receive electric machine controller busbar voltage compared with battery pack stagnation pressure；12）, electric machine controller busbar electricity
Whether pressure is less than 25.2 volts with battery pack stagnation pressure difference, if then entering next step, if not return to step 11）；12）, it is whole
Vehicle controller is attracted main positive relay；13）, electric machine controller busbar voltage and battery pack stagnation pressure difference whether be less than 15 volts,
If then entering next step, if not then repeating step 13）；14）, entire car controller disconnect preliminary filling relay, concurrently deliver letters
It number is enabled to electric machine controller；15）, entire car controller whether feedback operation state, if so, into next step, if it is not,
Then return to step 8）；16）, entire car controller send high pressure and power on and complete signal, high pressure powers on end.
Claims (1)
1. a kind of electric automobile high-voltage electrification control method, it is characterised in that step is：1), start, key powers on；2), vehicle
Controller receives the self-test signal of electric machine controller battery management system；3), the electric machine controller and the battery management system
Whether system self-test passes through, if so, into next step, if it is not, then terminating, exits high pressure and powers on；4), the full-vehicle control
Device self-test and the line interlocking signal of high voltage distribution box, while receive the mutual of the battery management system and the electric machine controller
Lock signal；5), whether the line of the high voltage distribution box and the entire car controller effective, the battery management system interlocking is believed
Number whether the effective and electric machine controller interlocking signal is effective, if the signal is all effective, into next step, if
It does not imitate, the entire car controller sends interlock fault, and stores error code, exits high pressure and powers on；6), the entire car controller
Detect whether gear signal is neutral gear, whether brake signal is effective, and next step is entered if the two conditions are met simultaneously, if
The two conditions cannot be met, then exit the high pressure and power on；7), whether the entire car controller receives the motor control
Device allows power on signal, if then entering step 9), if not then entering next step；8), the entire car controller breaks successively
Open main positive relay and main negative relay；9), whether trickle charge CC and fast charge CC2 signals are effective, if if so, into next step
It is not then to terminate to exit the high pressure to power on；10), the entire car controller is closed main relay, preliminary filling relay successively；
11), the entire car controller receives the busbar voltage of the electric machine controller compared with battery pack stagnation pressure；12), the motor control
Whether the busbar voltage of device processed is less than 25.2 volts with the battery pack stagnation pressure difference, if then entering next step, if not
It is return to step 11)；13), the entire car controller is attracted the positive relay of master；14), the electric machine controller is described
Whether busbar voltage is less than 15 volts with the battery pack stagnation pressure difference, if then entering next step, if not then repeating step
12)；15), the entire car controller disconnects the preliminary filling relay, and sends a signal to the electric machine controller and enable；16)、
The entire car controller whether feedback operation state, if so, into next step, if it is not, then entering step 8)；17), institute
It states entire car controller and sends the high pressure and power on and complete signal, high pressure powers on end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711474612.4A CN108215801A (en) | 2017-12-29 | 2017-12-29 | Electric automobile high-voltage electrification control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711474612.4A CN108215801A (en) | 2017-12-29 | 2017-12-29 | Electric automobile high-voltage electrification control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108215801A true CN108215801A (en) | 2018-06-29 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711474612.4A Pending CN108215801A (en) | 2017-12-29 | 2017-12-29 | Electric automobile high-voltage electrification control method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109591732A (en) * | 2019-01-09 | 2019-04-09 | 浙江吉利汽车研究院有限公司 | Automobile electrification control method, device, entire car controller and automobile |
| CN110712527A (en) * | 2019-10-22 | 2020-01-21 | 中国北方车辆研究所 | Capacitive load automatic charging and discharging integrated protection circuit of hybrid electric drive armored vehicle |
| CN110729773A (en) * | 2018-07-16 | 2020-01-24 | 宁德时代新能源科技股份有限公司 | Control system, control method and equipment of relay pre-charging circuit |
| CN111638466A (en) * | 2020-05-25 | 2020-09-08 | 中合动力（北京）新能源科技有限公司 | Method for identifying whether connection between detachable battery pack and finished vehicle is firm after replacement |
| CN112046421A (en) * | 2020-08-13 | 2020-12-08 | 珠海格力电器股份有限公司 | Power-on control device and method of all-in-one controller and automobile |
| CN112429077A (en) * | 2020-12-01 | 2021-03-02 | 东风华神汽车有限公司 | Control method of electronic steering oil pump of electric automobile |
| CN112550268A (en) * | 2020-12-08 | 2021-03-26 | 奇瑞商用车（安徽）有限公司 | Power system control method of series-parallel hybrid electric vehicle |
| CN112606691A (en) * | 2020-12-25 | 2021-04-06 | 东风汽车集团有限公司 | Battery quick-change type electric automobile safety control method and device |
| CN113602094A (en) * | 2021-08-05 | 2021-11-05 | 东风汽车集团股份有限公司 | New energy automobile power-on method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600667A (en) * | 2013-11-25 | 2014-02-26 | 北京中瑞蓝科电动汽车技术有限公司 | Pure-electric-coach safety start sequential logic control method |
| CN105128678A (en) * | 2015-10-13 | 2015-12-09 | 东风汽车股份有限公司 | High-voltage power-on and power-off control system and control method for pure electric vehicle |
| CN105196883A (en) * | 2014-06-25 | 2015-12-30 | 广州汽车集团股份有限公司 | High-voltage power-on control method for multiple-box-body power battery box |
| CN205344543U (en) * | 2015-11-26 | 2016-06-29 | 河北优控新能源科技有限公司 | A hybrid vehicle high -pressure interlocking return circuit (HVIL) based on security policy |
| CN106585384A (en) * | 2015-10-20 | 2017-04-26 | 上海汽车集团股份有限公司 | High-pressure interlocking implementation device for electric car |
-
2017
- 2017-12-29 CN CN201711474612.4A patent/CN108215801A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600667A (en) * | 2013-11-25 | 2014-02-26 | 北京中瑞蓝科电动汽车技术有限公司 | Pure-electric-coach safety start sequential logic control method |
| CN105196883A (en) * | 2014-06-25 | 2015-12-30 | 广州汽车集团股份有限公司 | High-voltage power-on control method for multiple-box-body power battery box |
| CN105128678A (en) * | 2015-10-13 | 2015-12-09 | 东风汽车股份有限公司 | High-voltage power-on and power-off control system and control method for pure electric vehicle |
| CN106585384A (en) * | 2015-10-20 | 2017-04-26 | 上海汽车集团股份有限公司 | High-pressure interlocking implementation device for electric car |
| CN205344543U (en) * | 2015-11-26 | 2016-06-29 | 河北优控新能源科技有限公司 | A hybrid vehicle high -pressure interlocking return circuit (HVIL) based on security policy |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729773A (en) * | 2018-07-16 | 2020-01-24 | 宁德时代新能源科技股份有限公司 | Control system, control method and equipment of relay pre-charging circuit |
| CN109591732A (en) * | 2019-01-09 | 2019-04-09 | 浙江吉利汽车研究院有限公司 | Automobile electrification control method, device, entire car controller and automobile |
| CN110712527A (en) * | 2019-10-22 | 2020-01-21 | 中国北方车辆研究所 | Capacitive load automatic charging and discharging integrated protection circuit of hybrid electric drive armored vehicle |
| CN111638466A (en) * | 2020-05-25 | 2020-09-08 | 中合动力（北京）新能源科技有限公司 | Method for identifying whether connection between detachable battery pack and finished vehicle is firm after replacement |
| CN111638466B (en) * | 2020-05-25 | 2024-03-29 | 中合动力（北京）新能源科技有限公司 | Method for identifying whether detachable battery pack is firmly connected with whole vehicle after replacement |
| CN112046421A (en) * | 2020-08-13 | 2020-12-08 | 珠海格力电器股份有限公司 | Power-on control device and method of all-in-one controller and automobile |
| CN112429077A (en) * | 2020-12-01 | 2021-03-02 | 东风华神汽车有限公司 | Control method of electronic steering oil pump of electric automobile |
| CN112550268A (en) * | 2020-12-08 | 2021-03-26 | 奇瑞商用车（安徽）有限公司 | Power system control method of series-parallel hybrid electric vehicle |
| CN112606691A (en) * | 2020-12-25 | 2021-04-06 | 东风汽车集团有限公司 | Battery quick-change type electric automobile safety control method and device |
| CN113602094A (en) * | 2021-08-05 | 2021-11-05 | 东风汽车集团股份有限公司 | New energy automobile power-on method and device |
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Application publication date: 20180629 |
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| RJ01 | Rejection of invention patent application after publication |