CN106891730A - Cutting electricity in collision protection device and method - Google Patents
Cutting electricity in collision protection device and method Download PDFInfo
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- CN106891730A CN106891730A CN201710234379.6A CN201710234379A CN106891730A CN 106891730 A CN106891730 A CN 106891730A CN 201710234379 A CN201710234379 A CN 201710234379A CN 106891730 A CN106891730 A CN 106891730A
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 230000005611 electricity Effects 0.000 title claims abstract description 36
- 238000005520 cutting process Methods 0.000 title claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000005484 gravity Effects 0.000 claims description 37
- 230000008859 change Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims description 2
- 230000036632 reaction speed Effects 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- 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
- B60R16/023—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 transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
- B60R16/0233—Vehicle tilting, overturning or roll over
-
- 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
Abstract
The invention provides a kind of cutting electricity in collision protection device and method; it is related to the technical field of battery protection; including integrated installation in the battery management system of battery bag box house, impact detector and high-voltage relay; and the mobile terminal with battery management system wireless connection, impact detector and high-voltage relay are connected with battery management system respectively；By the collision upset information of impact detector collection vehicle, battery management system judges whether collision upset information meets default accident threshold value, and in the case of satisfaction, according to collision upset information generation cut-off signal and accident information, high-voltage relay is according to cut-off signal, the electrical connection of cut-out electrokinetic cell module and vehicle, mobile terminal generates warning message according to accident information, and warning message is issued.The present invention can improve power-off reaction speed, increase rescue function.
Description
Technical field
The present invention relates to battery protection technical field, more particularly, to a kind of cutting electricity in collision protection device and method.
Background technology
The battery bag power-off method that prior art is used mostly is for when vehicle airbag collision perceptron is detected and touched
When hitting generation, collision signal can be transmitted to entire car controller, notify that entire car controller has collision, then sent out by entire car controller
Send lower electricity order to give battery bag electric energy management system, after battery bag electric energy management system receives lower electricity order, then by high pressure after
Electrical equipment disconnects, and makes battery bag without output.But, battery bag high-voltage relay is disconnected by the collision signal for then passing through air bag
Device, it is impossible to which timely transmitting signals disconnect relay；In addition as accident thing occurs in countryside, accident person cannot notify the external world with fast
Speed rescue.
The content of the invention
In view of this, it is an object of the invention to provide cutting electricity in collision protection device and method, to improve power-off reaction speed
Degree, increases rescue function.
In a first aspect, a kind of cutting electricity in collision protection device is the embodiment of the invention provides, wherein, described device includes：Collection
Into the battery management system, impact detector and the high-voltage relay that are installed on battery bag box house, and with the cell tube
The mobile terminal of reason system wireless connection, the impact detector and the high-voltage relay respectively with the battery management system
It is connected；
The impact detector, for the collision upset information of collection vehicle；
The battery management system, for judging whether the collision upset information meets default accident threshold value, and full
In the case of foot, according to collision upset information generation cut-off signal and the accident information；
The high-voltage relay, for according to the cut-off signal, cut-out electrokinetic cell module to be electrically connected with the vehicle
Connect relation；
The mobile terminal, for generating warning message according to the accident information, and the warning message is carried out down
Hair.
With reference in a first aspect, the embodiment of the invention provides the first possible implementation method of first aspect, wherein, institute
Stating collision upset information includes that flip angle information and gravity accelerate information, and the impact detector includes that gyroscope and gravity are passed
Sensor；
The gyroscope and the gravity sensor are connected with the battery management system respectively；
The gyroscope, is monitored for the motion direction and angular speed to vehicle, obtains the flip angle information；
The gravity sensor, for being monitored to gravity change information, obtains the gravity and accelerates information.
With reference in a first aspect, the embodiment of the invention provides second possible implementation method of first aspect, wherein, also
Including entire car controller, the entire car controller is connected by CAN with the battery management system；
The entire car controller, for being generated according to the cut-off signal and records fault message, and uses cascade protection
Mechanism carries out protection control to vehicle.
With reference in a first aspect, the embodiment of the invention provides the third possible implementation method of first aspect, wherein, institute
State mobile terminal to be additionally operable to, latitude and longitude information is read according to the accident information, according to the accident information and the longitude and latitude
Information generates the warning message, and the warning message is sent into the first default terminal.
With reference in a first aspect, the embodiment of the invention provides the 4th kind of possible implementation method of first aspect, wherein, institute
State mobile terminal to be additionally operable to, preset sound information is obtained according to the accident information, according to the accident information and described default
Acoustic information generates the warning message, and the warning message is sent into the second default terminal.
With reference in a first aspect, the embodiment of the invention provides the 5th kind of possible implementation method of first aspect, wherein, institute
State and be provided with wireless communication module between mobile terminal and the battery management system.
With reference to the 5th kind of possible implementation method of first aspect, the 6th kind of first aspect is the embodiment of the invention provides
Possible implementation method, wherein, the wireless communication module is bluetooth module or WiFi module.
Second aspect, the embodiment of the present invention also provides a kind of cutting electricity in collision guard method, wherein, methods described includes：
The collision upset information of collection vehicle；
Judge whether the collision upset information meets default accident threshold value；
If it is satisfied, then according to collision upset information generation cut-off signal and the accident information；
According to the cut-off signal, the electrical connection of electrokinetic cell module and the vehicle is cut off；
Warning message is generated according to the accident information, and the warning message is issued.
With reference to second aspect, the first possible implementation method of second aspect is the embodiment of the invention provides, wherein, institute
Stating collision upset information includes flip angle information and gravity acceleration information, and the collision upset information of the collection vehicle includes：
Motion direction and angular speed to vehicle are monitored, and obtain the flip angle information；
Gravity change information is monitored, the gravity is obtained and is accelerated information.
With reference to second aspect, second possible implementation method of second aspect is the embodiment of the invention provides, wherein, institute
Stating method also includes：
Fault message is generated and recorded according to the cut-off signal, and protection control is carried out to vehicle using cascade protection mechanism
System.
The embodiment of the present invention brings following beneficial effect：
A kind of cutting electricity in collision protection device and method that the present invention is provided, including integrated installation is in battery bag box house
Battery management system, impact detector and high-voltage relay, and the mobile terminal with battery management system wireless connection, collision
Detector and high-voltage relay are connected with battery management system respectively；Letter is overturn by the collision of impact detector collection vehicle
Breath, battery management system judges whether collision upset information meets default accident threshold value, and in the case of satisfaction, according to collision
Upset information generates cut-off signal and accident information, and high-voltage relay cuts off electrokinetic cell module and vehicle according to cut-off signal
Electrical connection, mobile terminal generates warning message, and warning message issued according to accident information.The present invention can be with
Power-off reaction speed is improved, increases rescue function.
Other features and advantages of the present invention will be illustrated in the following description, also, the partly change from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and obtained in accompanying drawing.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, below will be to specific
The accompanying drawing to be used needed for implementation method or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the cutting electricity in collision protection device schematic diagram that the embodiment of the present invention one is provided；
Fig. 2 is the cutting electricity in collision protection device schematic diagram that the embodiment of the present invention two is provided；
Fig. 3 is the cutting electricity in collision guard method that the embodiment of the present invention three is provided；
Fig. 4 is the acquisition methods flow chart of step S110 in the cutting electricity in collision guard method that the embodiment of the present invention three is provided.
Icon：
100- entire car controllers；200- impact detectors；210- gyroscopes；220- gravity sensors；300- high-voltage relays
Device；400- battery management systems；500- wireless communication modules；600- electrokinetic cell modules；700- mobile terminals；800- high-low pressures
Connector.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Technical scheme be clearly and completely described, it is clear that described embodiment is a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
The battery bag power-off method that prior art is used mostly is for when vehicle airbag collision perceptron is detected and touched
When hitting generation, collision signal can be transmitted to entire car controller, notify that entire car controller has collision, then sent out by entire car controller
Send lower electricity order to give battery bag electric energy management system, after battery bag electric energy management system receives lower electricity order, then by high pressure after
Electrical equipment disconnects, and makes battery bag without output.But, battery bag high-voltage relay is disconnected by the collision signal for then passing through air bag
Device, it is impossible to which timely transmitting signals disconnect relay；In addition as accident thing occurs in countryside, accident person cannot notify the external world with fast
Speed rescue.
Based on this, a kind of cutting electricity in collision protection device provided in an embodiment of the present invention and method can improve power-off reaction
Speed, increases rescue function.
For ease of understanding the present embodiment, dress is protected to a kind of cutting electricity in collision disclosed in the embodiment of the present invention first
Put and describe in detail.
Embodiment one：
Fig. 1 is the cutting electricity in collision protection device schematic diagram that the embodiment of the present invention one is provided.
Reference picture 1, cutting electricity in collision protection device includes integrated installation in the battery management system of battery bag box house
400th, impact detector 200 and high-voltage relay 300, and the mobile terminal 700 with the wireless connection of battery management system 400,
Impact detector 200 and high-voltage relay 300 are connected with battery management system 400 respectively；
Impact detector 200, for the collision upset information of collection vehicle；Battery management system 400, for judging to collide
Whether upset information meets default accident threshold value, and in the case of satisfaction, according to collision upset information generation cut-off signal and
Accident information；High-voltage relay 300, for according to cut-off signal, cut-out electrokinetic cell module 600 to be closed with the electrical connection of vehicle
System；Mobile terminal 700, for generating warning message according to accident information, and warning message is issued.
Specifically, impact detector 200 includes gyroscope 210 and gravity sensor 220.Exist in electrokinetic cell module 600
During discharge and recharge, in the event of the situation that vehicle is collided, overturn, can be by gyroscope 210 and gravity sensor 220
The collision upset information of collection vehicle, and collision upset information is sent to battery management system 400；Battery management system 400
Accident is subjected to according to default accident threshold decision vehicle, cut-off signal and accident information is generated.On the one hand, battery management system
400 will be switched off signal is sent to high-voltage relay 300, and control high-voltage relay 300 disconnects immediately, to cut off electrokinetic cell module
600 are connected with the high pressure of whole vehicle；In addition, using CAN, will be switched off signal and be sent to entire car controller 100.The opposing party
Face, battery management system 400 by accident information by being wirelessly sent to mobile terminal 700, specifically may be used by mobile terminal 700 here
Think that mobile phone A pp (Application, application program), mobile phone A pp will read the latitude and longitude information of place where the accident occurred, and with short
The form of letter sends warning message to the emergency contact for presetting；And the sound shelves for recording in advance can be also utilized, is dialled to police
Disappear unit, to be sought help.
As can be seen here, battery management system 400 triggers and judges to be subjected to thing by gravity sensor 220 and gyroscope 210
Therefore when, can cutoff high relay 300 immediately, reaction Su Du More are fast.It is connected with mobile terminal 700, when accident occurs, by certainly
The extraneous transmission warning message of trend, can assist accident person quickly to be rescued.
Exemplary embodiment of the invention, collision upset information includes that flip angle information and gravity accelerate information,
Impact detector 200 includes gyroscope 210 and gravity sensor 220；
Gyroscope 210 and gravity sensor 220 are connected with battery management system 400 respectively；
Gyroscope 210, is monitored for the motion direction and angular speed to vehicle, obtains flip angle information；
Gravity sensor 220, is monitored to gravity change information, obtains gravity and accelerates information.
Specifically, battery management system 400 is adopted by the flip angle information and gravity sensor 220 of the collection of gyroscope 210
The gravity of collection accelerates information triggering, when judging to have shown that wherein at least one meets corresponding default accident threshold value, Jiu Huisheng
Into cut-off signal and accident information.
Exemplary embodiment of the invention, also including entire car controller 100, entire car controller 100 passes through CAN
It is connected with battery management system 400；
Entire car controller 100, for being generated according to cut-off signal and records fault message, and uses cascade protection mechanism pair
Vehicle carries out protection control.
Specifically, the information that battery management system 400 will be switched off high-voltage relay 300 returns to entire car controller 100, with
Entire car controller 100 is recorded this fault message, and protection control is carried out to vehicle using cascade protection mechanism, by vehicle
Other interior parts are powered off and protected.
Exemplary embodiment of the invention, mobile terminal 700 is additionally operable to, and longitude and latitude letter is read according to accident information
Breath, according to accident information and latitude and longitude information generation warning message, and is sent to the first default terminal by warning message.
Specifically, mobile terminal 700 can be mobile phone, the first default terminal is programmed emergency one end.Mobile phone will read
The latitude and longitude information of place where the accident occurred, and according to accident information and latitude and longitude information generation warning message, in the form of short message to
The emergency contact that presets sends warning message, tells that emergency contact driver occurs the detailed of accident and spot
Position.
Exemplary embodiment of the invention, mobile terminal 700 is additionally operable to, and preset sound letter is obtained according to accident information
Breath, according to accident information and preset sound information generation warning message, and is sent to the second default terminal by warning message.
Specifically, the second default terminal is the alert unit one end that disappears.Except sending warning message to programmed emergency, while also
Warning message is generated using the acoustic information for recording in advance, is dialled to the alert unit that disappears, to be sought help.
Exemplary embodiment of the invention, channel radio is provided between mobile terminal 700 and battery management system 400
Letter module 500.
Specifically, wireless communication module 500 is bluetooth module or WiFi module.Mobile terminal 700 by bluetooth or
WiFi receives the accident information that battery management system 400 sends.
Exemplary embodiment of the invention, the quantity of high-voltage relay 300 is two.Two high-voltage relays
300 are connected with battery management system 400.
Embodiment two：
Fig. 2 is the cutting electricity in collision protection device schematic diagram that the embodiment of the present invention two is provided.
Reference picture 2, is provided with high-low pressure connector 800 between high-voltage relay 300 and entire car controller 100.High-low pressure
800 points of connector is high-voltage connector and low pressure connector.High-voltage connector is H+ and H-, and low pressure plug connector is communicator.
Embodiment three：
Fig. 3 is the cutting electricity in collision guard method that the embodiment of the present invention three is provided.
Reference picture 3, cutting electricity in collision guard method comprises the following steps：
Step S110, the collision upset information of collection vehicle；
Step S120, judges whether collision upset information meets default accident threshold value；If it is satisfied, then performing step
S130；If be unsatisfactory for, step S110 is repeated；
Step S130, according to collision upset information generation cut-off signal and accident information；
Step S140, according to cut-off signal, the electrical connection of cut-out electrokinetic cell module and vehicle；
Step S50, generates warning message, and warning message is issued according to accident information.
Specifically, the collision upset information of gyroscope and gravity sensor collection vehicle, and collision upset information is sent
To battery management system；Battery management system judges whether collision upset information meets default accident threshold value, in situation about meeting
Lower generation cut-off signal and accident information, in the case of ungratified, illustrate that vehicle does not collide and overturns, by gyroscope
With the collision upset information that gravity sensor continues collection vehicle.On the one hand, battery management system will be switched off signal and be sent to height
Potential relay, controls high-voltage relay cut-out electrokinetic cell module to be connected with the high pressure of whole vehicle immediately；On the other hand, battery
Accident information will be read the latitude and longitude information of place where the accident occurred by management system by being wirelessly sent to mobile phone, mobile phone, and with short
The form of letter sends warning message to the emergency contact for presetting；Also the sound shelves for recording in advance can be utilized, is dialled to the alert list that disappears
Sought help position.
Exemplary embodiment of the invention, collision upset information includes that flip angle information and gravity accelerate information,
Reference picture 4, the acquisition methods of step S110 comprise the following steps in cutting electricity in collision guard method：
Step S210, motion direction and angular speed to vehicle are monitored, and obtain flip angle information；
Step S220, is monitored to gravity change information, obtains gravity and accelerates information.
Specifically, the flip angle information that is gathered by gyroscope of battery management system and the gravity of gravity sensor collection add
Fast information triggering, when judging to have shown that wherein at least one meets corresponding default accident threshold value, will generate cut-off signal
And accident information.
Exemplary embodiment of the invention, the method also includes：
Fault message is generated and recorded according to cut-off signal, and protection control is carried out to vehicle using cascade protection mechanism.
Specifically, the information that battery management system will be switched off high-voltage relay returns to entire car controller, so that vehicle control
Device processed records this fault message, and carries out protection control to vehicle using cascade protection mechanism, by vehicle other zero
Part is powered off and protected.
Cutting electricity in collision protection device and method that the present invention is provided, including integrated installation is in the battery of battery bag box house
Management system, impact detector and high-voltage relay, and the mobile terminal with battery management system wireless connection, collision detection
Device and high-voltage relay are connected with battery management system respectively；By the collision upset information of impact detector collection vehicle,
Battery management system judges whether collision upset information meets default accident threshold value, and in the case of satisfaction, is turned over according to collision
Transfering the letter breath generation cut-off signal and accident information, high-voltage relay is according to cut-off signal, cut-out electrokinetic cell module and vehicle
Electrical connection, mobile terminal generates warning message according to accident information, and warning message is issued.The present invention can be carried
Height power-off reaction speed, increases rescue function.
Cutting electricity in collision protection device and the computer program product of method that the embodiment of the present invention is provided, including store
The computer-readable recording medium of program code, the instruction that described program code includes can be used in execution previous methods embodiment
Described method, implements and can be found in embodiment of the method, will not be repeated here.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description
With the specific work process of device, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In addition, in the description of the embodiment of the present invention, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
If the function is to realize in the form of SFU software functional unit and as independent production marketing or when using, can be with
Storage is in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used to so that a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify describe, rather than indicate imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
Finally it should be noted that：Embodiment described above, specific embodiment only of the invention, is used to illustrate the present invention
Technical scheme, rather than its limitations, protection scope of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those within the art that：Any one skilled in the art
The invention discloses technical scope in, it can still modify to the technical scheme described in previous embodiment or can be light
Change is readily conceivable that, or equivalent is carried out to which part technical characteristic；And these modifications, change or replacement, do not make
The essence of appropriate technical solution departs from the spirit and scope of embodiment of the present invention technical scheme, should all cover in protection of the invention
Within the scope of.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of cutting electricity in collision protection device, it is characterised in that described device includes：Integrated installation is in battery bag box house
Battery management system, impact detector and high-voltage relay, and the mobile terminal with the battery management system wireless connection,
The impact detector and the high-voltage relay are connected with the battery management system respectively；
The impact detector, for the collision upset information of collection vehicle；
The battery management system, for judging whether the collision upset information meets default accident threshold value, and in satisfaction
In the case of, according to collision upset information generation cut-off signal and the accident information；
The high-voltage relay, for according to the cut-off signal, cut-out electrokinetic cell module to be closed with the electrical connection of the vehicle
System；
The mobile terminal, for generating warning message according to the accident information, and the warning message is issued.
2. cutting electricity in collision protection device according to claim 1, it is characterised in that the collision upset information includes upset
Angle information and gravity accelerate information, and the impact detector includes gyroscope and gravity sensor；
The gyroscope and the gravity sensor are connected with the battery management system respectively；
The gyroscope, is monitored for the motion direction and angular speed to vehicle, obtains the flip angle information；
The gravity sensor, for being monitored to gravity change information, obtains the gravity and accelerates information.
3. cutting electricity in collision protection device according to claim 1, it is characterised in that described whole also including entire car controller
Vehicle controller is connected by CAN with the battery management system；
The entire car controller, for being generated according to the cut-off signal and records fault message, and uses cascade protection mechanism
Protection control is carried out to vehicle.
4. cutting electricity in collision protection device according to claim 1, it is characterised in that the mobile terminal is additionally operable to, according to
The accident information reads latitude and longitude information, and the warning message is generated according to the accident information and the latitude and longitude information,
And the warning message is sent to the first default terminal.
5. cutting electricity in collision protection device according to claim 1, it is characterised in that the mobile terminal is additionally operable to, according to
The accident information obtains preset sound information, and the alarm signal is generated according to the accident information and the preset sound information
Breath, and the warning message is sent to the second default terminal.
6. cutting electricity in collision protection device according to claim 1, it is characterised in that the mobile terminal and the cell tube
Wireless communication module is provided between reason system.
7. cutting electricity in collision protection device according to claim 6, it is characterised in that the wireless communication module is bluetooth mould
Block or WiFi module.
8. a kind of cutting electricity in collision guard method, it is characterised in that methods described includes：
The collision upset information of collection vehicle；
Judge whether the collision upset information meets default accident threshold value；
If it is satisfied, then according to collision upset information generation cut-off signal and the accident information；
According to the cut-off signal, the electrical connection of electrokinetic cell module and the vehicle is cut off；
Warning message is generated according to the accident information, and the warning message is issued.
9. cutting electricity in collision guard method according to claim 7, it is characterised in that the collision upset information includes upset
Angle information and gravity acceleration information, the collision upset information of the collection vehicle include：
Motion direction and angular speed to vehicle are monitored, and obtain the flip angle information；
Gravity change information is monitored, the gravity is obtained and is accelerated information.
10. cutting electricity in collision guard method according to claim 7, it is characterised in that methods described also includes：
Fault message is generated and recorded according to the cut-off signal, and protection control is carried out to vehicle using cascade protection mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710234379.6A CN106891730B (en) | 2017-04-11 | 2017-04-11 | Collision power-off protection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710234379.6A CN106891730B (en) | 2017-04-11 | 2017-04-11 | Collision power-off protection device and method |
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| CN106891730A true CN106891730A (en) | 2017-06-27 |
| CN106891730B CN106891730B (en) | 2023-11-24 |
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| CN201710234379.6A Active CN106891730B (en) | 2017-04-11 | 2017-04-11 | Collision power-off protection device and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110803022A (en) * | 2018-07-19 | 2020-02-18 | 郑州宇通客车股份有限公司 | Electric vehicle collision protection control method and system |
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