CN106159363A - A kind of electric automobile battery box of novel band multi-functional, alarming - Google Patents
A kind of electric automobile battery box of novel band multi-functional, alarming Download PDFInfo
- Publication number
- CN106159363A CN106159363A CN201510204776.XA CN201510204776A CN106159363A CN 106159363 A CN106159363 A CN 106159363A CN 201510204776 A CN201510204776 A CN 201510204776A CN 106159363 A CN106159363 A CN 106159363A
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- Prior art keywords
- electric automobile
- cells
- battery box
- automobile battery
- sensor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Emergency Alarm Devices (AREA)
- Secondary Cells (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to electric vehicle engineering, particularly relate to the electric automobile battery box of a kind of band warning function.This electric automobile battery box, including: main controller, set of cells, voltage x current harvester, Temperature sampler, displacement acquisition sensor, smoke collection sensor, humidity collection sensor, CAN communication interface, wireless transceiver, high-power switch tube/relay, balance module and electric energy output end mouth, main controller is connected with set of cells, voltage x current harvester, Temperature sampler, displacement acquisition sensor cluster, smoke collection sensor, humidity collection sensor, CAN communication interface, wireless transceiver, balance module and high-power switch tube/relay respectively；High-power switch tube/relay is connected with electric energy output end mouth and set of cells respectively；Described set of cells is connected with balance module.Present invention achieves the multiple means of communication of employing, thus ensured the safety of motor vehicles and pedestrian, effectively reduce fire to pedestrian and the injury of vehicle.
Description
Technical field
The present invention relates to electric vehicle engineering, particularly relate to the electric automobile of a kind of novel band multi-functional, alarming
Battery case.
Background technology
Along with reducing and the progress of science and technology of the energy, the traditional energy automobile of oil consumption progressively can be taken by electric automobile
Generation.Instantly, the most external car enterprise or domestic car enterprise, all at positive Development of EV.High speed electric vapour
Car and low-speed electronic automobile, owing to environmental pollution is little, noise is low and structure designs simple advantage, have wide
Market.
Relative to the vehicles of traditional approach, new forms of energy battery has higher potential safety hazard in use, and one
The factor of battery self, due to improper use, may cause the leakage of single battery, deformation, on fire,
Even blast etc.；On the other hand, due in use, because of irresistible extraneous factor, as clashed into, greatly
Amount rainwater etc., the most likely can cause battery spontaneous combustion or the safety problem such as on fire.
Current electric automobile simply warning aspect to battery spontaneous combustion or the safety problem such as on fire is made and does not get at
, especially will not there be any warning position to the pedestrian near electric automobile and vehicle, therefore there is drawback.Very
Many drivers and pedestrians there occurs spontaneous combustion because of the battery not knowing electric automobile, and loses escape and the machine of rescue
Meeting, causes unnecessary personnel's property loss.
Summary of the invention
The present invention is directed to electric automobile voltage in the market high, this electric automobile when causing danger, will not be given
Neighbouring pedestrian or vehicle have alarm function, it is proposed that the electric automobile of a kind of novel band multi-functional, alarming
Battery case.
A kind of electric automobile battery box of novel band multi-functional, alarming, including: main controller, set of cells, electricity
Current voltage harvester, Temperature sampler, displacement acquisition sensor, smoke collection sensor, humidity collection pass
Sensor, CAN communication interface, wireless transceiver, high-power switch tube/relay, balance module and electric energy are defeated
Go out port, wherein,
Described main controller senses with set of cells, voltage x current harvester, Temperature sampler, displacement acquisition respectively
Device assembly, smoke collection sensor, humidity collection sensor, CAN communication interface, wireless transceiver, all
Weighing apparatus module is connected with high-power switch tube/relay；
Described high-power switch tube/relay is connected with electric energy output end mouth and set of cells respectively；
Described set of cells is connected with balance module.
Described displacement acquisition sensor is fixedly mounted on the box outer surface of electric automobile battery box, is used for examining
Survey deformation and the most reached admissible rated limit, when the maximum limit is reached, have the biggest probability and destroy battery,
Cause potential safety hazard.
Described humidity collection sensor is arranged on electric automobile battery box inner bottom, is used for detecting electric automobile
Air-tightness within battery case is the most intact.
Beneficial effects of the present invention: the present invention utilizes wireless transceiver, it is achieved that use multiple means of communication,
There is provided warning message for user, neighbouring pedestrian and vehicle the most widely, and warning message be extremely accurate,
Thus ensured the safety of motor vehicles and pedestrian, effectively reduce fire to pedestrian and the injury of vehicle.
Meanwhile, present configuration is simple, and production cost is low, easy for installation easy to spread.
Accompanying drawing explanation
Fig. 1 is the general module structural representation of the present invention；
Fig. 2 is the circuit theory diagrams of the CAN communication interface of one embodiment of the invention；
Fig. 3 is the circuit theory diagrams of the Temperature sampler of one embodiment of the invention；
Fig. 4 is the circuit theory diagrams of the wireless transceiver of one embodiment of the invention；
Fig. 5 is the circuit theory diagrams of the humidity collection sensor of one embodiment of the invention；
Fig. 6 is the circuit theory diagrams of the smoke collection sensor of one embodiment of the invention；
Fig. 7 is the overall appearance figure of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is carried out clear, complete
Describe wholely.
As it is shown in figure 1, the electric automobile battery box of a kind of novel band multi-functional, alarming, including: main controller,
Set of cells, voltage x current harvester, Temperature sampler, displacement acquisition sensor, smoke collection sensor,
Humidity collection sensor, CAN communication interface, wireless transceiver, high-power switch tube/relay, equilibrium model
Block and electric energy output end mouth, wherein,
Described main controller senses with set of cells, voltage x current harvester, Temperature sampler, displacement acquisition respectively
Device assembly, smoke collection sensor, humidity collection sensor, CAN communication interface, wireless transceiver, all
Weighing apparatus module is connected with high-power switch tube/relay；
Described high-power switch tube/relay is connected with electric energy output end mouth and set of cells respectively；
Described set of cells is connected with balance module.
Described displacement acquisition sensor is fixedly mounted on the box outer surface of electric automobile battery box, is used for examining
Survey deformation and the most reached admissible rated limit, when the maximum limit is reached, have the biggest probability and destroy battery,
Cause potential safety hazard.When humidity is bigger, possible battery air tightness is not good, has water to enter and battery is had danger
Evil.
Voltage x current harvester is used for gathering the voltage swing of upper each cell of set of cells and electric current is big
Little, and send main controller to process the magnitude of voltage collected and current value.Temperature sampler is used for gathering set of cells
On temperature, and send main controller to process the temperature value collected.Displacement acquisition sensor is fixedly mounted on electricity
On the relevant position of pond case, it is used for detecting whether battery case receives the effect of external force and send out and saved deformation.Position
Moving collection sensor the most also can send main controller to process the related data collected.Smoke collection sensor meeting
Gathering air around, when smog occurs, Smoke Sensor can send smog alarm signal to main controller.Wet
Degree alarm sensor is used for gathering the humidity in battery case, and the humidity size collected is sent to main controller.
Disconnection and the Guan Bi of high-power switch tube/relay are controlled by main controller.Can be with by CAN communication interface
Other controllers communication of electric automobile.Wireless transceiver can be by wireless and user and neighbouring pedestrian
Communication.
Main controller can also by the magnitude of voltage received, current value, temperature value, shift value, smoke signal and
Humidity value signal is analyzed processing, and formulates fault level according to these signal values received.When event
Fault level ratio residing for barrier is time relatively low, and main controller can give high-power switch tube/relay output high level, from
And make electric energy output end mouth connect with set of cells, at this moment electric energy can pass through electric energy output end mouth powering load,
Therefore, when fault rank is relatively low, system simply points out failure cause, does not cut off power supply.When fault is relatively low,
Corresponding fault can also be sent to display screen by CAN communication interface show, for reference, thus
Ensure that the inherently safe of user, wireless transceiver is by approach such as note/wechat/broadcast, it is also possible to user
/ neighbouring pedestrian/neighbouring vehicle sends relevant fault alarm information, obtains dependent failure information；When fault etc.
When level is higher, when main controller is to high-power switch tube/relay output low level, high-power switch tube/continue
Electrical equipment disconnects, and electric energy output end mouth does not connects with set of cells, and therefore electric energy can not be given by electric energy output end mouth
Load supplying, thus cut off the output of electric energy, improve safety.Meanwhile, by CAN communication interface
Fault-signal being sent to display screen show, prompting user hastens to leave this electric automobile, and wireless transceiver can
With the fault alarm information left as early as possible with transmission to user and neighbouring pedestrian simultaneously.Car owner not time,
The people receiving information can report to the police, and so can loss be minimized.
Balance module makes to make all of single battery be held in same state-of-charge, favorably during discharge and recharge
The service life extending battery.
Owing to wireless transceiver can be wireless blue tooth transceiver/wireless GPRS transceiver/wireless WIFI transmitting-receiving
Device, uses multiple means of communication, can the most preferably carry out communication, simultaneously car owner not time, when
When electric automobile breaks down, both can notify car owner in time, can also notify that this was electronic the very first time simultaneously
Pedestrian near automobile and vehicle.The incidence rate of therefore minimizing accident, additionally it is possible to significantly more efficient guarantee is vast
The safety of life and property of the masses.
Such as the circuit theory diagrams of CAN communication interface that Fig. 2 is one embodiment of the invention, in this embodiment
In provide two-way CAN communication interface, meanwhile, in the present invention CAN communication interface chip we use at a high speed
CAN transceiver TJA1040, this chip complies fully with ISO11898 standard, and the speed of this chip can
Up to 1Mbaud, and electromagnetic radiation EME is the lowest.In differential receiver has wider common mode range
Can electromagnetism interference EMI, be in not power-up state transceiver can from bus depart from zero load, input stage accord with
Close the device of 3.3V and 5V.If it is further to use division termination voltage source can stablize recessive bus level
Improve EME, at least can connect 110 nodes.Consume the extremely low standby mode of electric current to have and pass through bus
Wake up long-range function up, send the dominant timeout feature of data TXD, to bus under the transient environmental of automobile
Pin is protected, and prevents bus pin and pin SPLIT to battery and shorted to earth.The most in circuit
Add the resistance of two 60 ohm, constituted the terminal resistance of 120 ohm, eliminate in communication cable
Signaling reflex.
It is illustrated in figure 3 the circuit theory diagrams of the Temperature sampler of one embodiment of the invention；Implement at this
In example, we use DS18B20 chip as our Temperature sampler because this chip holds multiple spot networking
Function, so multiple DS18B20 can be connected in parallel on only single line, it is achieved multi-point temperature measurement, can save
The I/O port of single-chip microcomputer.In the present embodiment, we have used three DS18B20 chips, are simultaneously used three
Tri-I/O interface of P22, P23 and P24 of individual main controller, in the case of master interface anxiety, permissible
Only realize temperature with these three the DS18B20 chips the most in parallel of in the three of main controller I/O interface
Degree gathers.
It is illustrated in figure 4 the circuit theory diagrams of the wireless transceiver of one embodiment of the invention, at the present embodiment
In, we use Nrf905 chip, and this rf chip can freely be operated in the ISM of 2.4GHz
Frequency range, first-selected without to China's radio application frequency range, therefore when faulty, can be straight by this chip
Receive and send alarm signal to driver, neighbouring pedestrian and vehicle send alarm signal, thus avoid unnecessary
Loss.In the present invention, wireless transceiver can also use the NFC/ bluetooth/WiFi/FM function combinations core of Botong
Sheet, it is also possible to the wireless GPRS transceiver of integrated speech module, can be by functions such as broadcast or notes
Report to the police.Because conventional warning is limited to driver's alarm, pedestrian and vehicle to passing by one's way do not report
Alert function, and the wireless transceiver of the present invention can give the pedestrian and car alarming effect passed by one's way, therefore can be by
Accident rate drops to recently.
As it is shown in figure 5, be the circuit theory diagrams of the humidity collection sensor of one embodiment of the invention, this
Using DHT11 chip in this bright embodiment, this chip can gather the humidity condition in battery case, keep away
Exempt from humidity bigger time, driver does not knows and causes unnecessary loss.
As shown in Figure 6, the circuit theory diagrams of the smoke collection sensor of one embodiment of the invention, at this
Bright middle employing QM-N10 is as smoke collection chip, after UIA amplifier comparison circuit, accesses main controller
I/O port, wherein LED be used for report to the police.
The voltage x current harvester of one embodiment of the present of invention uses the LTC6804-2 chip of linear company,
This chip can gather the voltage and current of the cell on 12 tunnels, the equilibrium model of one embodiment of the present of invention
Block uses the LTC3300 balancing chip of Linear, it is achieved active equalization.The main controller of the present invention uses NXP
PLC1788 chip.The displacement transducer of the present invention mainly uses stress section to form, and this stress section has body
Long-pending little, lightweight, high impedance, low-power consumption, the strong multiple encapsulating structure of capacity of resisting disturbance, multiple connected mode,
Applied range.
As it is shown in fig. 7, be the overall appearance figure of the present invention.Present configuration is simple, and production cost is low, adopts
Use multiple means of communication, it is possible to provide fire alarm information for user, neighbouring pedestrian and vehicle the most widely,
And warning message is the most accurate.
Do by the present invention and find that there is good warning effect through experimental test, unnecessary loss can be avoided.
Above in association with most preferred embodiment, invention has been described, but the invention is not limited in disclosed above
Embodiment, and amendment, the equivalent combinations that the various essence according to the present invention is carried out should be contained.
Claims (3)
1. the electric automobile battery box of a novel band multi-functional, alarming, it is characterised in that including: master control
Device, set of cells, voltage x current harvester, Temperature sampler, displacement acquisition sensor, smoke collection sense
Device, humidity collection sensor, CAN communication interface, wireless transceiver, high-power switch tube/relay, all
Weighing apparatus module and electric energy output end mouth, wherein,
Described main controller senses with set of cells, voltage x current harvester, Temperature sampler, displacement acquisition respectively
Device assembly, smoke collection sensor, humidity collection sensor, CAN communication interface, wireless transceiver, all
Weighing apparatus module is connected with high-power switch tube/relay；
Described high-power switch tube/relay is connected with electric energy output end mouth and set of cells respectively；
Described set of cells is connected with balance module.
The electric automobile battery box of a kind of novel band multi-functional, alarming, it is special
Levying and be, described displacement acquisition sensor is fixedly mounted on the box outer surface of electric automobile battery box, uses
The most reach admissible rated limit in detection deformation, when the maximum limit is reached, had the biggest probability and destroy
Battery, causes potential safety hazard.
The electric automobile battery box of a kind of novel band multi-functional, alarming, it is special
Levying and be, described humidity collection sensor is arranged on electric automobile battery box inner bottom, is used for detecting electronic
Air-tightness within automobile batteries case is the most intact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510204776.XA CN106159363B (en) | 2015-04-28 | 2015-04-28 | A kind of novel electric automobile battery box with multi-functional, alarming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510204776.XA CN106159363B (en) | 2015-04-28 | 2015-04-28 | A kind of novel electric automobile battery box with multi-functional, alarming |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106159363A true CN106159363A (en) | 2016-11-23 |
| CN106159363B CN106159363B (en) | 2019-06-25 |
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| CN201510204776.XA Expired - Fee Related CN106159363B (en) | 2015-04-28 | 2015-04-28 | A kind of novel electric automobile battery box with multi-functional, alarming |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110175A (en) * | 2017-12-14 | 2018-06-01 | 山东星火科学技术研究院 | A kind of new energy Li-ion batteries piles using Internet surveillance security |
| CN108327553A (en) * | 2018-01-29 | 2018-07-27 | 新日(无锡)发展有限公司 | A kind of power battery management system for electric vehicle |
| CN108944503A (en) * | 2018-06-20 | 2018-12-07 | 苏州工业园区职业技术学院 | A kind of energy management system of electric car |
| CN109159717A (en) * | 2018-08-31 | 2019-01-08 | 贵阳学院 | A kind of charging system for electric automobile |
| CN110962685A (en) * | 2019-12-06 | 2020-04-07 | 江西博能上饶客车有限公司 | Battery management system for electric motor coach |
| CN114665176A (en) * | 2022-03-20 | 2022-06-24 | 中国第一汽车股份有限公司 | Deformation monitoring device for battery pack, battery pack and monitoring method |
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| CN204596916U (en) * | 2015-04-28 | 2015-08-26 | 南昌航空大学 | A kind of electric automobile battery box of novel band multi-functional, alarming |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110175A (en) * | 2017-12-14 | 2018-06-01 | 山东星火科学技术研究院 | A kind of new energy Li-ion batteries piles using Internet surveillance security |
| CN108327553A (en) * | 2018-01-29 | 2018-07-27 | 新日(无锡)发展有限公司 | A kind of power battery management system for electric vehicle |
| CN108944503A (en) * | 2018-06-20 | 2018-12-07 | 苏州工业园区职业技术学院 | A kind of energy management system of electric car |
| CN109159717A (en) * | 2018-08-31 | 2019-01-08 | 贵阳学院 | A kind of charging system for electric automobile |
| CN110962685A (en) * | 2019-12-06 | 2020-04-07 | 江西博能上饶客车有限公司 | Battery management system for electric motor coach |
| CN114665176A (en) * | 2022-03-20 | 2022-06-24 | 中国第一汽车股份有限公司 | Deformation monitoring device for battery pack, battery pack and monitoring method |
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| CN106159363B (en) | 2019-06-25 |
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Granted publication date: 20190625 Termination date: 20200428 |