CN107901762A - Electric automobile is released crash handling method and system - Google Patents
Electric automobile is released crash handling method and system Download PDFInfo
- Publication number
- CN107901762A CN107901762A CN201711080475.6A CN201711080475A CN107901762A CN 107901762 A CN107901762 A CN 107901762A CN 201711080475 A CN201711080475 A CN 201711080475A CN 107901762 A CN107901762 A CN 107901762A
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- electric automobile
- failure
- released
- electricity
- drainage function
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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
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Release crash handling method and system the present invention provides a kind of electric automobile.The processing method includes：Release and monitor step, the busbar voltage of the motor of electric automobile is obtained when electric under electric automobile；Fail verification step, and the busbar voltage obtained by monitoring step of releasing confirms whether the drainage function of the electric automobile fails compared with predeterminated voltage；Safeguard protection step, when the drainage function failure of the electric automobile, makes the action of locking front hatch cover.Electricity is released crash handling method under electric automobile provided by the invention, by the way that the busbar voltage of the motor of the electric automobile of acquisition being confirmed, whether the drainage function of electric automobile fails compared with predeterminated voltage, and pass through the front hatch cover of locking motor in the drainage function of electric automobile, to forbid related personnel to open front hatch cover, and then avoid related personnel and touch high voltage component, the security risk brought so as to avoid drainage function failure, improves the security of electric process under electric automobile.
Description
Technical field
The present invention relates to electric vehicle engineering field, release crash handling method in particular to a kind of electric automobile
And system.
Background technology
Electric automobile is one of the strategic emerging industries in China, and electric automobile progressively substitutes conventional fuel oil automobile.
Traditional fuel-engined vehicle is compared to, electric automobile voltage is high, so must take into consideration high-voltage safety problem.When electricity under automobile,
Capacitance voltage drainage function ensures that the voltage of high tension loop drops to below safe voltage to prevent personnel from touching in electric machine controller
Electricity.Current electric automobile is provided with high pressure electric drainage function, but for after failure of releasing, electric automobile part zero
Part is in high pressure conditions, causes personnel security incident occur when touching.
The content of the invention
Release crash handling method and system in consideration of it, the present invention proposes electricity under a kind of electric automobile, it is intended to solve existing
Have under electric automobile electricity release failure when bring security incident the problem of.
On the one hand, the present invention proposes electricity under a kind of electric automobile and releases crash handling method, which includes：Let out
Monitoring step is put, the busbar voltage of the motor of electric automobile is obtained when electric under electric automobile；Fail verification step, pass through by
The predeterminated voltage that the busbar voltage of the monitoring step acquisition of releasing is corresponding compares, and confirms the work(of releasing of the electric automobile
Can whether fail；Safeguard protection step, when the drainage function failure of the electric automobile, the front deck of electric automobile described in locking
Lid.
Further, electricity is released crash handling method under above-mentioned electric automobile, in the monitoring step of releasing, passes through institute
The battery management system of electric automobile or the electric machine controller of the motor is stated to carry out in fact the busbar voltage of the motor
When gather.
Further, electricity is released crash handling method under above-mentioned electric automobile, in the monitoring step of releasing, by right
The voltage sensor of the motor carries out real time signal aquisition to obtain the busbar voltage of the motor.
Further, electricity is released crash handling method under above-mentioned electric automobile, is also wrapped after the failure verification step
Include：Fail alarm step, and when the drainage function failure of the electric automobile, release failure alarm and/or in the electricity
Display is reminded on the instrumentation table of electrical automobile.
Further, electricity is released crash handling method under above-mentioned electric automobile, is also wrapped after the safeguard protection step
Include：Failure maintenance step, by being carried out maintenance to the electric automobile, the drainage function for confirming and excluding the electric automobile loses
The failure of effect；Locking step is released, the locking of the front hatch cover is released after confirming and excluding the failure.
Electricity is released crash handling method under electric automobile provided by the invention, by by the motor of the electric automobile of acquisition
The corresponding predeterminated voltage of busbar voltage be compared and confirm whether the drainage function of electric automobile fails, and in electronic vapour
By the front hatch cover of locking motor during the drainage function of car, to forbid related personnel to open front hatch cover, and then phase is avoided
Pass personnel touch high voltage component, the security risk brought so as to avoid drainage function failure, improve electric under electric automobile
The security of process.
Especially, electricity is released crash handling method under the electric automobile that provides in the present invention, passes through letting out in electric automobile
Playing function carries out releasing failure alarm when failing or display is reminded on the instrumentation table of the electric automobile, to remind relevant people
The failure of member's drainage function, and then remind related personnel to be sure not to touch the high voltage component of electric automobile, so as to avoid security incident
Generation.
Further, electricity is released crash handling method under the electric automobile that provides in the present invention, by electric automobile into
Row fault elimination is released the failure of failure, to solve the problems, such as that electric automobile drainage function fails, and then avoids failure of releasing
Caused security incident；Meanwhile the locking of front hatch cover is released after the failure for the failure that excludes to release, and then easy to electric automobile
Subsequently use and repair.
On the other hand, the present invention proposes electricity under a kind of electric automobile and releases crash handling system, which includes：
Release monitoring module, for it is electric under electric automobile when obtain electric automobile motor busbar voltage；Failure confirms module,
The predeterminated voltage corresponding for the busbar voltage by the way that the monitoring module of releasing is obtained compares, and confirms the electronic vapour
Whether the drainage function of car fails；Security protection module, for when the drainage function failure of the electric automobile, described in locking
The front hatch cover of electric automobile.
Further, electricity is released crash handling system under above-mentioned electric automobile, and the monitoring module of releasing passes through the electricity
The electric machine controller of the battery management system of electrical automobile or the motor adopts the busbar voltage of the motor in real time
Collection.
Further, electricity is released crash handling system under above-mentioned electric automobile, and the monitoring module of releasing passes through to described
The voltage sensor of motor carries out real time signal aquisition to obtain the busbar voltage of the motor.
Further, electricity is released crash handling system under above-mentioned electric automobile, which further includes：Fail alarm mould
Block, for when the drainage function failure of the electric automobile, carrying out release failure alarm and/or the instrument in the electric automobile
Display is reminded on device table.
Further, electricity is released crash handling system under above-mentioned electric automobile, which further includes：Failure maintenance mould
Block, for when the drainage function failure of the electric automobile, by being carried out maintenance to the electric automobile, confirming and excluding institute
State the failure of the drainage function failure of electric automobile；Locking module is released, for releasing institute after confirming and excluding the failure
State the locking of front hatch cover.
Since processing method embodiment has the effect above, so the processing system embodiment also has corresponding technology effect
Fruit.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this area
Technical staff will be clear understanding.Attached drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole attached drawing, identical component is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is the flow diagram of electric crash handling method of releasing under electric automobile provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of electric crash handling system of releasing under electric automobile provided in an embodiment of the present invention.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.It should be noted that in the case where there is no conflict, embodiment in the present invention and
Feature in embodiment can be mutually combined.Below with reference to the accompanying drawings and the present invention will be described in detail in conjunction with the embodiments.
Embodiment of the method：
Referring to Fig. 1, it is the flow signal of electric crash handling method of releasing under electric automobile provided in an embodiment of the present invention
Figure, the processing method include the following steps：
Release monitoring step S1, and the busbar voltage of the motor of electric automobile is obtained when electric under electric automobile.
Specifically, when electric automobile discharges, that is, in driver or other operating personnel electric automobile is stopped
When the key of electric automobile is reversed to OFF state when only, vehicle proceeds by electric discharge, can pass through the battery of electric automobile
Voltage sensor of the electric machine controller of management system (BATTERY MANAGEMENT SYSTEM, BMS) or electronic vapour to motor
Device carries out real time signal aquisition, so that the busbar voltage of the motor to electric automobile is gathered in real time, and then obtains electronic
The real-time busbar voltage of machine；Do not gathered for the busbar voltage after causing electric discharge of making a fault when avoiding and obtaining data, it is preferable that
It just can start to gather busbar voltage before electric automobile starts lower electricity；Wherein it is possible to carried out by CAN communication line or rigid line female
The collection of line voltage.
Fail verification step S2, and the busbar voltage by the way that monitoring step of releasing is obtained confirms electricity compared with predeterminated voltage
Whether the drainage function of electrical automobile fails.
Specifically, the busbar voltage obtained by the monitoring step S1 that will release is compared with predeterminated voltage, when releasing
The busbar voltage of monitoring step S1 acquisitions is more than predeterminated voltage and either releases the busbar voltage for monitoring step S1 acquisitions with presetting
When difference between voltage is more than threshold value, then the drainage function failure of electric automobile is confirmed；Otherwise, then the work(of releasing of electric automobile
The busbar voltage obtained that can not fail is safe voltage.Wherein, predeterminated voltage and threshold value can be determined according to actual conditions, this
Any restriction is not done in embodiment to it；It is well-known to those skilled in the art to be, looked into according to electric automobile national standard GBT 31498
, after vehicle starts electric discharge, busbar voltage is reduced to below 60V from after starting electric discharge 2 seconds；Therefore preferably, vehicle is started to put
When 2 seconds electric or the busbar voltage after 2 seconds is compared with predeterminated voltage, and predeterminated voltage is 60V at this time, if busbar voltage is more than
Predeterminated voltage 60V, then confirm the drainage function failure of electric automobile.
Fail alarm step S3, when the drainage function failure of the electric automobile, release failure alarm and/or
Display is reminded on the instrumentation table of electric automobile.
Specifically, when the drainage function failure that electric automobile is confirmed in the verification step S2 that fails, then mistake of releasing is carried out
The flicker of alarm such as audible alarm or warning light is imitated, or failure display of releasing is carried out on the instrumentation table of electric automobile,
To remind the drainage function failure of driver, the maintenance personal or other staff electric automobile, and then related personnel is reminded to cut
The high voltage component of electric automobile is not touched, so as to avoid the generation of security incident；Certainly, release failure alarm and in electric automobile
Instrumentation table on display can be carried out at the same time the prompting that can also carry out one form of which；It is known in the art to be, work as electricity
Electrical automobile enter dormancy after, instrumentation table will be stopped, thus for ease of on instrumentation table remind display, it is necessary to electric automobile into
Reminded before entering dormancy.
Safeguard protection step S4, when the drainage function failure of electric automobile, the front hatch cover of locking electric automobile.
Specifically, contacted to prevent from remaining to the high pressure in the controller of motor by related personnel, when true in failure
Recognize in step S2 and confirm the drainage function failure of electric automobile, then the front hatch cover of locking electric automobile, before electric automobile
The opening of hatchcover；Wherein, the locking of front hatch cover can be implemented by parts such as lock valves, to realize front hatch cover
Forbid opening；Well-known to those skilled in the art to be, the motor and its controller of electric automobile are arranged at electric automobile
Below front hatch cover, the locking of front hatch cover avoids related personnel and touches the high voltage parts such as the controller of motor, and then keeps away
The generation of security incident is exempted from.
Failure maintenance step S5, when the drainage function failure of the electric automobile, by being carried out maintenance to electric automobile
Afterwards, confirm and exclude the failure of drainage function failure.
Specifically, if the drainage function failure of electric automobile, right in safeguard protection step S4 after locking front hatch cover
Electric automobile carries out maintenance, and confirms and excludes the failure of drainage function failure, to solve the failure of electric automobile drainage function
Problem, and then avoid security incident caused by failure of releasing；To further improve the security of electric automobile, it is preferable that arranging
After its failure, it is detected again, it is ensured that the exclusion of failure；It is further preferred that can by electric automobile into
Point and lower electricity on row, and gathered in lower electricity and compare busbar voltage, whether excluded to detect failure, if busbar voltage is low
In predeterminated voltage, then troubleshooting.
Locking step S6 is released, after failure maintenance step S5 confirms and fixes a breakdown, releases the locking of front hatch cover.
Specifically, after failure maintenance step S5 confirms and excludes the failure of drainage function failure, front hatch cover is released
Locking, and then use and repair easy to the follow-up of electric automobile.
Wherein, there is no sequencing between failure alarm step S3 and safeguard protection step S4.
Obviously be achieved that, electricity is released crash handling method under the electric automobile provided in the present embodiment, pass through by
The busbar voltage of the motor of the electric automobile of acquisition confirm compared with predeterminated voltage electric automobile drainage function whether
Failure, and in the drainage function of electric automobile by the front hatch cover of locking motor, to forbid related personnel to open front deck
Lid, and then avoid related personnel and touch high voltage component, the security risk brought so as to avoid drainage function failure, is improved
The security of electric process under electric automobile.
Especially, electricity is released crash handling method under the electric automobile provided in the present embodiment, by electric automobile
Drainage function carries out releasing failure alarm when failing or display is reminded on the instrumentation table of electric automobile, to remind related personnel
The failure of drainage function, and then remind related personnel to be sure not to touch the high voltage component of electric automobile, so as to avoid security incident
Occur.
Further, electricity is released crash handling method under the electric automobile provided in the present embodiment, by electric automobile
Carry out maintenance and exclude the failure of failure of releasing, to solve the problems, such as that electric automobile drainage function fails, and then avoid mistake of releasing
Security incident caused by effect；Meanwhile the locking of front hatch cover is released after the failure for the failure that excludes to release, and then it is easy to electric automobile
Follow-up use and repair.
System embodiment：
Referring to Fig. 2, it is the structure diagram of electric crash handling system of releasing under electric automobile provided in an embodiment of the present invention,
The system includes：
Monitoring module of releasing 100, the busbar voltage of the motor for obtaining electric automobile during electricity under electric automobile；
Failure confirms module 200, for the busbar voltage by the way that monitoring module 100 of releasing is obtained and predeterminated voltage ratio
Compared with confirming whether the drainage function of electric automobile fails；
Security protection module 400, for when electric automobile drainage function failure when, the front hatch cover of locking electric automobile.
Preferably, the monitoring module of releasing passes through the battery management system of the electric automobile or the electricity of the motor
Machine controller gathers the busbar voltage of the motor in real time.
Preferably, it is described release monitoring module by the voltage sensor of the motor is carried out real time signal aquisition with
Obtain the busbar voltage of the motor.
Preferably, which further includes：Fail alarm modules 300, for when the drainage function failure of electric automobile
Shi Jinhang release failure alarm and/or on the instrumentation table of electric automobile remind display.
It is further preferred that the processing system further includes：Fail maintenance modules 500, for when the work(of releasing of electric automobile
When can fail, after being carried out maintenance to electric automobile, confirm and exclude the failure of the drainage function failure of electric automobile；Release
Locking module 600, for releasing the locking of the front hatch cover after confirming and excluding the failure.
Wherein, monitoring module of releasing 100, failure confirm module 200 and the specific implementation process ginseng of security protection module 300
See above method embodiment, details are not described herein for the present embodiment.
Since processing method embodiment has the effect above, so the processing system embodiment also has corresponding technology effect
Fruit.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and scope.In this way, if these modifications and changes of the present invention belongs to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these modification and variations.
Claims (10)
1. electricity is released crash handling method under a kind of electric automobile, it is characterised in that including：
Release and monitor step, the busbar voltage of the motor of electric automobile is obtained when electric under electric automobile；
Fail verification step, is compared by the corresponding predeterminated voltage of the busbar voltage for obtaining the monitoring step of releasing,
Confirm whether the drainage function of the electric automobile fails；
Safeguard protection step, when the drainage function failure of the electric automobile, the front hatch cover of electric automobile described in locking.
2. electricity is released crash handling method under electric automobile according to claim 1, it is characterised in that in the prison of releasing
Depending in step,
Busbar by the battery management system of the electric automobile or the electric machine controller of the motor to the motor
Voltage is gathered in real time.
3. electricity is released crash handling method under electric automobile according to claim 1 or 2, it is characterised in that is let out described
Put in monitoring step,
By obtaining the busbar voltage of the motor to the voltage sensor progress real time signal aquisition of the motor.
4. electricity is released crash handling method under electric automobile according to claim 1 or 2, it is characterised in that in the mistake
Further included after effect verification step：
Fail alarm step, and when the drainage function failure of the electric automobile, release failure alarm and/or in the electricity
Display is reminded on the instrumentation table of electrical automobile.
5. electricity is released crash handling method under electric automobile according to claim 1 or 2, it is characterised in that in the peace
Further included after full guard step：
Failure maintenance step, by being carried out maintenance to the electric automobile, confirms and excludes the drainage function of the electric automobile
The failure of failure；
Locking step is released, confirms in the failure maintenance step and excludes to release the locking of the front hatch cover after the failure.
6. electricity is released crash handling system under a kind of electric automobile, it is characterised in that including：
Release monitoring module, for it is electric under electric automobile when obtain electric automobile motor busbar voltage；
Failure confirms module, the predeterminated voltage ratio corresponding for the busbar voltage by the way that the monitoring module of releasing is obtained
Compared with confirming whether the drainage function of the electric automobile fails；
Security protection module, for when the electric automobile drainage function failure when, the front hatch cover of electric automobile described in locking.
7. electricity is released crash handling method under electric automobile according to claim 6, it is characterised in that
The monitoring module of releasing passes through the battery management system of the electric automobile or the electric machine controller pair of the motor
The busbar voltage of the motor is gathered in real time.
8. electricity is released crash handling method under the electric automobile according to claim 6 or 7, it is characterised in that
The monitoring module of releasing to the voltage sensor progress real time signal aquisition of the motor by obtaining the electricity
The busbar voltage of motivation.
9. electricity is released crash handling system under the electric automobile according to claim 6 or 7, it is characterised in that is further included：
Fail alarm modules, for the failure alarm and/or in institute of when the drainage function failure of the electric automobile, release
State and display is reminded on the instrumentation table of electric automobile.
10. electricity is released crash handling system under the electric automobile according to claim 6 or 7, it is characterised in that is further included：
Fail maintenance modules, for when the electric automobile drainage function failure when, by being tieed up to the electric automobile
Repair, confirm and exclude the failure of the drainage function failure of the electric automobile；
Locking module is released, for releasing the locking of the front hatch cover after confirming and excluding the failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080475.6A CN107901762B (en) | 2017-11-06 | 2017-11-06 | Electric automobile discharge failure processing method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080475.6A CN107901762B (en) | 2017-11-06 | 2017-11-06 | Electric automobile discharge failure processing method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107901762A true CN107901762A (en) | 2018-04-13 |
| CN107901762B CN107901762B (en) | 2020-07-03 |
Family
ID=61843450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711080475.6A Active CN107901762B (en) | 2017-11-06 | 2017-11-06 | Electric automobile discharge failure processing method and system |
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| Country | Link |
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| CN (1) | CN107901762B (en) |
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| CN109466331A (en) * | 2018-11-30 | 2019-03-15 | 广州小鹏汽车科技有限公司 | A kind of on-board high-voltage, which releases and uncaps, protects circuit system and its method and electric vehicle |
| CN113500946A (en) * | 2021-07-26 | 2021-10-15 | 长春一汽富晟集团有限公司 | New energy automobile maintenance electric shock prevention prompt system, method, equipment and storage medium |
| CN114097169A (en) * | 2019-05-07 | 2022-02-25 | 舍弗勒技术股份两合公司 | Multiphase transformer for a power supply network and method for reducing the intermediate circuit voltage of the power supply network |
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| Publication number | Publication date |
|---|---|
| CN107901762B (en) | 2020-07-03 |
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