CN110103716A - Power battery power-off protection method and system when a kind of new-energy automobile collides - Google Patents
Power battery power-off protection method and system when a kind of new-energy automobile collides Download PDFInfo
- Publication number
- CN110103716A CN110103716A CN201910328255.3A CN201910328255A CN110103716A CN 110103716 A CN110103716 A CN 110103716A CN 201910328255 A CN201910328255 A CN 201910328255A CN 110103716 A CN110103716 A CN 110103716A
- Authority
- CN
- China
- Prior art keywords
- power battery
- power
- new
- collides
- energy automobile
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Power battery power-off protection method and system when colliding the invention discloses a kind of new-energy automobile; belong to new energy car battery technical field; when automobile collides; control system of safety air bag detects collision alarm; power battery controller is input to after processing; the connection between electrokinetic cell system and automobile dynamic system is controlled by power battery controller to disconnect; it solves when new-energy automobile collides, there are problems that battery security is not high, is easy to damage personnel and property loss.
Description
Technical field
The invention belongs to new energy car battery technical field, it is related to power battery when a kind of new-energy automobile collides
Power-off protection method and system.
Background technique
With modernization expanding economy, under the pollution background that global energy is rare and gets worse, new-energy automobile
Have become following new trend.New-energy automobile refers to using unconventional vehicle fuel as a source of power or using routine
Vehicle fuel, using new vehicle-mounted power plant, the dynamic Control of comprehensive vehicle and the advanced technology of driving aspect, the skill of formation
The advanced automobile with new technology, new construction of art principle.
New-energy automobile includes pure electric automobile, stroke-increasing electric automobile, hybrid vehicle, fuel battery electric vapour
Vehicle, hydrogen engine automobile, other new-energy automobiles etc., wherein most of new-energy automobiles all be unable to do without automobile power cell.?
Today that new-energy automobile rapidly develops, the safety of automobile power cell are still a the problem of most receiving much attention.
When vehicle collides, automobile power cell is easy to cause battery temperature to increase because collision leads to short circuit, lead
Cause it is on fire, so as to cause bigger fire or explosion accident, therefore, vehicle occur pernicious collision when, how to ensure power electric
The safety in pond is reduced particularly important to the loss of personal injury and property.
Therefore, to solve the above-mentioned problems, power battery is disconnected when colliding the invention proposes a kind of new-energy automobile
Electric protection method and system.
Summary of the invention
It is an object of the invention to: provide when a kind of new-energy automobile collides power battery power-off protection method and
System is solved when new-energy automobile collides, and that there are battery securities is not high, is easy to damage personnel and property
The problem of loss.
The technical solution adopted by the invention is as follows:
Power battery power-off protection method when a kind of new-energy automobile collides, control system of safety air bag, which detects, to be touched
Signal is hit, power battery controller is input to after processing, electrokinetic cell system and automobile power are controlled by power battery controller
Connection between system disconnects.
Further, the control system of safety air bag includes crash sensor and safety airbag ECU interconnected.
Further, the connection between the electrokinetic cell system and automobile dynamic system is connected by relay, described
Relay is closed state when automobile works normally, normal to connect electrokinetic cell system and automobile dynamic system, power battery
Power battery in system is just continuously automobile dynamic system power supply.
Further, specifically includes the following steps:
Step 1: when a vehicle is in a collision, after the crash sensor detects collision alarm, being input to air bag
ECU；
Step 2: safety airbag ECU is analyzed and is compared to collision alarm, outputs a control signal to power battery control
Device；
Step 3: power battery controller is according between control signal control electrokinetic cell system and automobile dynamic system
Relay disconnects；
Step 4: after relay disconnects, power battery is no longer exported, meanwhile, power battery controller controls alarm report
It is alert.
Further, the crash sensor in the step 1 is electronic sensor or electromechanical transducers.
Power battery circuit breaking protective system when a kind of new-energy automobile collides, including control system of safety air bag, with
The power battery controller of control system of safety air bag connection, the relay being connect with power battery controller, the relay
Connection electrokinetic cell system and automobile dynamic system, control system of safety air bag detect collision alarm, are input to after processing dynamic
Power battery controller is disconnected by power battery controller control relay.
Further, the control system of safety air bag includes crash sensor and safety airbag ECU interconnected, institute
It states after crash sensor detects collision alarm, is input to safety airbag ECU, collision alarm is divided by safety airbag ECU
Analysis and after output a control signal to power battery controller.
Further, the crash sensor is electronic sensor or electromechanical transducers.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1. power battery power-off protection method and system when a kind of new-energy automobile collides, collide in automobile
When, control system of safety air bag detects collision alarm, power battery controller is input to after processing, by power battery controller
The connection controlled between electrokinetic cell system and automobile dynamic system disconnects, and closes power supply in time, cuts off the output of power battery,
To reduce the risk of power battery High voltage output after collision occurs, while also effectively avoid is sent out by other vehicle mounted electrical apparatus
A possibility that secondary injury caused by raw kindling, explosion etc., substantially increase the safety in utilization of new-energy automobile.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings, in which:
Fig. 1 is power battery power-off protection method and the system construction drawing of system when a kind of new-energy automobile collides.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention, i.e. described embodiment is a part of the embodiments of the present invention, instead of all the embodiments.It is logical
It is often described herein as to arrange and designing with a variety of different configurations with the component of the embodiment of the present invention shown in the accompanying drawings.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
It should be noted that the relational terms of term " first " and " second " or the like be used merely to an entity or
Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any
This actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described
There is also other identical elements in the process, method, article or equipment of element.
Power battery power-off protection method and system, solve in new-energy automobile when a kind of new-energy automobile collides
When colliding, there are problems that battery security is not high, is easy to damage personnel and property loss.
Power battery power-off protection method when a kind of new-energy automobile collides, when a vehicle is in a collision, substitute
Capsule control system detects collision alarm, and power battery controller is input to after processing, controls power by power battery controller
Relay between battery system and automobile dynamic system disconnects.
Power battery circuit breaking protective system when a kind of new-energy automobile collides, including control system of safety air bag, with
The power battery controller of control system of safety air bag connection, the relay being connect with power battery controller, the relay
Connection electrokinetic cell system and automobile dynamic system, control system of safety air bag detect collision alarm, are input to after processing dynamic
Power battery controller is disconnected by power battery controller control relay.
For the present invention when automobile collides, control system of safety air bag detects collision alarm, is input to after processing dynamic
Power battery controller controls the connection between electrokinetic cell system and automobile dynamic system by power battery controller and disconnects, and
When close power supply, cut off the output of power battery, with reduce collision occur after power battery High voltage output risk, while
It is effectively to avoid a possibility that secondary injury caused by kindling, explosion etc. occurs as other vehicle mounted electrical apparatus, it substantially increases
The safety in utilization of new-energy automobile.
Feature and performance of the invention are described in further detail below with reference to embodiment.
Embodiment one
Presently preferred embodiments of the present invention provides power battery power-off protection side when a kind of new-energy automobile collides
Method, control system of safety air bag detects collision alarm, power battery controller is input to after processing, by power battery controller
The connection controlled between electrokinetic cell system and automobile dynamic system disconnects.
Further, the control system of safety air bag includes crash sensor and safety airbag ECU interconnected.
Further, the connection between the electrokinetic cell system and automobile dynamic system is connected by relay, described
Relay is closed state when automobile works normally, normal to connect electrokinetic cell system and automobile dynamic system, power battery
Power battery in system is just continuously automobile dynamic system power supply.
Further, specifically includes the following steps:
Step 1: when a vehicle is in a collision, after the crash sensor detects collision alarm, being input to air bag
ECU；
Step 2: safety airbag ECU is analyzed and is compared to collision alarm, outputs a control signal to power battery control
Device；
Step 3: power battery controller is according between control signal control electrokinetic cell system and automobile dynamic system
Relay disconnects；
Step 4: after relay disconnects, power battery is no longer exported, meanwhile, power battery controller controls alarm report
It is alert.
Further, the crash sensor in the step 1 is electronic sensor or electromechanical transducers.
Power battery circuit breaking protective system when a kind of new-energy automobile collides, including control system of safety air bag, with
The power battery controller of control system of safety air bag connection, the relay being connect with power battery controller, the relay
Connection electrokinetic cell system and automobile dynamic system, control system of safety air bag detect collision alarm, are input to after processing dynamic
Power battery controller is disconnected by power battery controller control relay.
Further, the control system of safety air bag includes crash sensor and safety airbag ECU interconnected, institute
It states after crash sensor detects collision alarm, is input to safety airbag ECU, collision alarm is divided by safety airbag ECU
Analysis and after output a control signal to power battery controller.
Further, the crash sensor is electronic sensor or electromechanical transducers.
Technical term is explained:
ECU, Electronic Control Unit, electronic control unit, by microprocessor (MCU), memory (ROM,
RAM), the large scale integrated circuits such as input/output interface (I/O), analog-digital converter (A/D) and shaping, driving composition, is vapour
Vehicle dedicated microcomputer controller.
For the present invention when automobile collides, control system of safety air bag detects collision alarm, is input to after processing dynamic
Power battery controller controls the connection between electrokinetic cell system and automobile dynamic system by power battery controller and disconnects, and
When close power supply, cut off the output of power battery, with reduce collision occur after power battery High voltage output risk, while
It is effectively to avoid a possibility that secondary injury caused by kindling, explosion etc. occurs as other vehicle mounted electrical apparatus, it substantially increases
The safety in utilization of new-energy automobile.
The foregoing is merely illustrative of the preferred embodiments of the present invention, the protection scope being not intended to limit the invention, any
Those skilled in the art within the spirit and principles in the present invention made by any modifications, equivalent replacements, and improvements etc.,
It should all be included in the protection scope of the present invention.
Claims (8)
- Power battery power-off protection method when 1. a kind of new-energy automobile collides, it is characterised in that: air bag control system System detects collision alarm, and power battery controller is input to after processing, controls electrokinetic cell system by power battery controller Connection between automobile dynamic system disconnects.
- Power battery power-off protection method when 2. a kind of new-energy automobile according to claim 1 collides, feature It is, the control system of safety air bag includes crash sensor and safety airbag ECU interconnected.
- Power battery power-off protection method when 3. a kind of new-energy automobile according to claim 2 collides, feature It is, the connection between the electrokinetic cell system and automobile dynamic system is connected by relay, and the relay is in automobile It is closed state when normal work, it is normal to connect electrokinetic cell system and automobile dynamic system, the power in electrokinetic cell system Battery is just continuously automobile dynamic system power supply.
- Power battery power-off protection method when 4. a kind of new-energy automobile according to claim 3 collides, feature It is, specifically includes the following steps:Step 1: when a vehicle is in a collision, after the crash sensor detects collision alarm, being input to safety airbag ECU；Step 2: safety airbag ECU is analyzed and is compared to collision alarm, outputs a control signal to power battery controller；Step 3: power battery controller is according to the relay between control signal control electrokinetic cell system and automobile dynamic system Device disconnects；Step 4: after relay disconnects, power battery is no longer exported, meanwhile, power battery controller controls alarm equipment alarm.
- Power battery power-off protection method when 5. a kind of new-energy automobile according to claim 4 collides, feature It is, the crash sensor in the step 1 is electronic sensor or electromechanical transducers.
- Power battery circuit breaking protective system when 6. a kind of new-energy automobile collides, it is characterised in that: including air bag control System processed, the power battery controller being connect with control system of safety air bag, the relay being connect with power battery controller, institute Relay connection electrokinetic cell system and automobile dynamic system are stated, control system of safety air bag detects collision alarm, after processing It is input to power battery controller, is disconnected by power battery controller control relay.
- Power battery circuit breaking protective system when 7. a kind of new-energy automobile according to claim 6 collides, feature Be: the control system of safety air bag includes crash sensor and safety airbag ECU interconnected, the crash sensor After detecting collision alarm, it is input to safety airbag ECU, it is defeated after collision alarm is analyzed and compared by safety airbag ECU Signal is controlled out to power battery controller.
- Power battery circuit breaking protective system when 8. a kind of new-energy automobile according to claim 7 collides, feature Be: the crash sensor is electronic sensor or electromechanical transducers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910328255.3A CN110103716A (en) | 2019-04-23 | 2019-04-23 | Power battery power-off protection method and system when a kind of new-energy automobile collides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910328255.3A CN110103716A (en) | 2019-04-23 | 2019-04-23 | Power battery power-off protection method and system when a kind of new-energy automobile collides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110103716A true CN110103716A (en) | 2019-08-09 |
Family
ID=67486327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910328255.3A Pending CN110103716A (en) | 2019-04-23 | 2019-04-23 | Power battery power-off protection method and system when a kind of new-energy automobile collides |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110103716A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082748A1 (en) * | 2019-10-31 | 2021-05-06 | 长城汽车股份有限公司 | Vehicle control device and system, and vehicle |
| CN115534674A (en) * | 2022-09-21 | 2022-12-30 | 中国第一汽车股份有限公司 | Battery processing method and device, electronic equipment and computer readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007313949A (en) * | 2006-05-23 | 2007-12-06 | Toyota Motor Corp | Vehicle |
| CN202294325U (en) * | 2011-09-29 | 2012-07-04 | 上海汽车集团股份有限公司 | Collision power-off protection system and hybrid vehicle using the same |
| CN103448555A (en) * | 2013-06-24 | 2013-12-18 | 浙江吉利汽车研究院有限公司杭州分公司 | Electric car charging collision control method and system |
| CN103568848A (en) * | 2013-10-14 | 2014-02-12 | 东南（福建）汽车工业有限公司 | Automatic high-voltage cutoff system for battery pack of pure electric vehicle |
| CN104494544A (en) * | 2014-12-25 | 2015-04-08 | 东风汽车公司 | Collision power-off protection system of electromobile |
-
2019
- 2019-04-23 CN CN201910328255.3A patent/CN110103716A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007313949A (en) * | 2006-05-23 | 2007-12-06 | Toyota Motor Corp | Vehicle |
| CN202294325U (en) * | 2011-09-29 | 2012-07-04 | 上海汽车集团股份有限公司 | Collision power-off protection system and hybrid vehicle using the same |
| CN103448555A (en) * | 2013-06-24 | 2013-12-18 | 浙江吉利汽车研究院有限公司杭州分公司 | Electric car charging collision control method and system |
| CN103568848A (en) * | 2013-10-14 | 2014-02-12 | 东南（福建）汽车工业有限公司 | Automatic high-voltage cutoff system for battery pack of pure electric vehicle |
| CN104494544A (en) * | 2014-12-25 | 2015-04-08 | 东风汽车公司 | Collision power-off protection system of electromobile |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082748A1 (en) * | 2019-10-31 | 2021-05-06 | 长城汽车股份有限公司 | Vehicle control device and system, and vehicle |
| US11970065B2 (en) | 2019-10-31 | 2024-04-30 | Great Wall Motor Company Limited | Vehicle control device, vehicle control system and vehicle |
| CN115534674A (en) * | 2022-09-21 | 2022-12-30 | 中国第一汽车股份有限公司 | Battery processing method and device, electronic equipment and computer readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108001232B (en) | Vehicle fault processing method, vehicle control unit and vehicle | |
| US8983733B2 (en) | Vehicle battery safety system | |
| CN202923410U (en) | High-voltage protection system of power battery and vehicle | |
| CN113991200B (en) | Monitoring method and monitoring device for secondary battery, secondary battery and vehicle | |
| CN103448555A (en) | Electric car charging collision control method and system | |
| CN110103716A (en) | Power battery power-off protection method and system when a kind of new-energy automobile collides | |
| CN110803023A (en) | Control method and system for electric vehicle collision protection | |
| CN102033205A (en) | System and method for detecting fault of power battery of vehicle | |
| CN102765363A (en) | Automatic collision protector for novel energy automobile | |
| WO2018192271A1 (en) | Vehicle safety control method and system with power supply systems | |
| CN104253258A (en) | Overcharge prevention device of battery | |
| CN105539198B (en) | Electric automobile high-voltage system connector detection means | |
| CN109130863A (en) | A kind of electric car is intelligent from prompt system electric under vehicle and its reminding method | |
| CN107702753A (en) | The safety monitoring device and its monitoring method of electrokinetic cell bag | |
| CN105799518A (en) | Method and device for high voltage protection of electric automobile | |
| CN102211526B (en) | Safety protection device of pure electric vehicle | |
| CN109624716B (en) | Collision protection method and device for electric automobile | |
| KR101776326B1 (en) | Apparatus for shutting off power supply in case of rear-ender of vehicle | |
| CN207066748U (en) | Mobile unit collides working condition detection system and vehicle | |
| CN206439138U (en) | A kind of automobile start protects system | |
| WO2018191829A1 (en) | Power disconnect system for transportation means having power supply system | |
| KR101483685B1 (en) | Apparatus and method for cutting high voltage of battery pack for vehicle | |
| CN104859453A (en) | High-voltage safety protection method and circuit of electric vehicle as well as corresponding electric vehicle | |
| CN110126624A (en) | A kind of method and system according to collision alarm cutoff high relay | |
| CN106864268B (en) | Guard method, system and vehicle after a kind of battery system cutting electricity in collision |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190809 |
|
| RJ01 | Rejection of invention patent application after publication |