CN107705489A - A kind of battery case fire alarm data logger - Google Patents
A kind of battery case fire alarm data logger Download PDFInfo
- Publication number
- CN107705489A CN107705489A CN201710708651.XA CN201710708651A CN107705489A CN 107705489 A CN107705489 A CN 107705489A CN 201710708651 A CN201710708651 A CN 201710708651A CN 107705489 A CN107705489 A CN 107705489A
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- CN
- China
- Prior art keywords
- control module
- interface
- kernel control
- switch
- detector
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B31/00—Predictive alarm systems characterised by extrapolation or other computation using updated historic data
Abstract
The invention discloses a kind of battery case fire alarm data logger, including：Kernel control module, SD card, hardware watchdog, power module, battery, switch, the first CAN interface and the second CAN interface；Kernel control module connects SD card, hardware watchdog, power module, battery, switch, the first CAN interface and the second CAN interface respectively；First CAN interface is connected to the detector of fire alarm, the second CAN interface connection automobile instrument.In the present invention, detector is according to sensing data automatic analysis and judgment, assign battery case alert levels, and alert levels are included in warning message and upload to automobile instrument, so as to pass through warning message, so that driver can targetedly check upload data, be advantageous to avoid driver from driving hidden danger caused by excessively paying close attention to upload data, be also beneficial to avoid driver's leakage from seeing potential safety hazard caused by important information.
Description
Technical field
The present invention relates to automobile batteries technical field, more particularly to a kind of battery case fire alarm data logger.
Background technology
With the continuous development of New-energy electric vehicle, the security of dynamic lithium battery increasingly seems important.Work is believed
Portion《Electric motor coach safety specification》：" the chargeable energy-storage system installation nacelle planted agents of 4.3.5 configure fire detection automatic alarm
System, warning system should provide sound or light alarm signal in driver's compartment to driver ".On the one hand due to new energy car battery case
Environment is complicated, and interference gaseous species are various, concentration is larger；And electric automobile during traveling, on road, meeting is in various degree by all kinds of
Vehicle exhaust, the interference of factory industry gas, can cause false alarm, or even cause fire extinguisher false touch to battery case fire early-warning system
Hair, generates a panic to passenger；Short circuit occurs for another aspect lithium battery, thermal runaway causes battery explosion is on fire fast, smog, spy occurs
It is complicated to levy the change procedures such as gas, temperature, flame, shifts to an earlier date fire alarm to warning system and causes certain difficulty, or even cause
Fail to report.Therefore all the sensors historical data is checked, analysis wrong report, Missing report, improves battery case fire early-warning system sensing
Device fire alarm evaluation algorithm, and alert levels, fault message are uploaded to automobile instrument in time, it appears it is particularly significant.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of battery case fire alarm data logger.
A kind of battery case fire alarm data logger proposed by the present invention, including：Kernel control module, SD card, hardware
House dog, power module, battery, switch, the first CAN interface and the second CAN interface；Kernel control module connect respectively SD card,
Hardware watchdog, power module, battery, switch, the first CAN interface and the second CAN interface；
First CAN interface is connected to the detector of fire alarm, the second CAN interface connection automobile instrument；Core controls
Module is used for sensing data, malfunction and/or the alert levels for obtaining detector by the first CAN interface and gathering, and will adopt
Collect information storage into SD card；Kernel control module is additionally operable to send according to detector to automobile instrument by the second CAN interface
Gather the warning information of information generation；
Kernel control module is additionally operable to control the work of detector second line of a couplet equipment according to the operation signal of switch.
Preferably, time threshold is preset with kernel control module, during SD card data storage, according to time threshold from trend
Preceding covering data.
Preferably, kernel control module uses Fatfs32 file system, and it is .txt to name generation suffix according to year, month, day
File, file internal are the collection information of each detector.
Preferably, kernel control module according to when, minute, second, detector numbering, sensor information, fault message, alarm level
Other order deposits data.
Preferably, when kernel control module is used for by the second CAN interface with automobile instrument school.
Preferably, switch for carrying out abnormal prompt, kernel control module according to the connection status of kernel control module
It is additionally operable to obtain detector and the connection status controlling switch of fire extinguisher carries out abnormal prompt.
Preferably, switch is provided with warning light, when switch and the connection of kernel control module relax, or, detector with
The connection relaxation of fire extinguisher, it is abnormal that switch lights warning light prompting connection；Preferably, warning light is at least bicolored light, uses respectively
In prompting exception and extinguishing device working condition.
Preferably, kernel control module is used to generate fire extinguishing instruction according to the switching signal of switch, and is sent out by detector
Give fire extinguisher.
Preferably, kernel control module uses single-chip microcomputer.
Preferably, kernel control module is connected with SD card by SPI interface；Preferably, battery uses button cell；It is preferred that
Ground, hardware watchdog use chip SP706；Switch uses rocker switch.
A kind of battery case fire alarm data logger proposed by the present invention, sensed by obtaining including for detector collection
Data are simultaneously uploaded to automobile instrument by device data, all data of warning message and fault message so that driver grasps in real time
The internal environmental information of battery case, be advantageous to carry out discriminatory analysis timely to fire alarm, avoid reporting by mistake or fail to report, improve electricity
The security of pond case work.
In the present invention, detector assigns battery case alert levels, and will alarm according to sensing data automatic analysis and judgment
Rank is included in warning message and uploads to automobile instrument, so as to pass through warning message so that driver can targetedly check
Data are uploaded, is advantageous to avoid driver from driving hidden danger caused by excessively paying close attention to upload data, is also beneficial to avoid driver from leaking
Potential safety hazard caused by seeing important information.
Brief description of the drawings
Fig. 1 is a kind of battery case fire alarm data logger structure chart proposed by the present invention.
Embodiment
Reference picture 1, a kind of battery case fire alarm data logger proposed by the present invention, including：Kernel control module, SD
Card, hardware watchdog, power module, battery, switch, the first CAN (Controller Area Network, controller LAN
Network) interface and the second CAN interface.Kernel control module connect respectively SD card, hardware watchdog, power module, battery, switch,
First CAN interface and the second CAN interface.First CAN interface is connected to the detector of fire alarm, the connection of the second CAN interface
Automobile instrument.In present embodiment, kernel control module is connected with SD card by SPI interface, and kernel control module uses monolithic
Machine.
In present embodiment, kernel control module be used for by the first CAN interface obtain detector gather sensing data,
Malfunction and alert levels, and collection information is stored into SD card.When it is implemented, kernel control module can also pass through
One CAN interface obtains one or more in sensing data, malfunction and the alert levels of detector collection.
In present embodiment, kernel control module uses Fatfs32 file system, and generation suffix is named according to year, month, day
For .txt files, file internal is collection information i.e. sensing data, malfunction and the alert levels of each detector.Core control
Molding block according to when, minute, second, detector numbering, sensor information, fault message, alert levels order deposit data.With side
Just user checks,, can be according to the history of record when wrong report particularly occurs, failing to report so as to understand battery case internal environment state
Data analysis goes out its reason, improves fire alarm intelligent algorithm, improves stability, the reliability of system.
In present embodiment, time threshold is preset with kernel control module, during SD card data storage, according to time threshold
Automatically data are covered forward.Specifically, in present embodiment, time threshold is arranged to 4 months, then, in SD card, file covers automatically
Data of the lid before 4 months, to discharge memory space, ensure that SD card will not cause data not store due to interior be filled with.
In present embodiment, when kernel control module is used for by the second CAN interface with automobile instrument school, and for passing through
Second CAN interface sends the warning information for gathering information according to detector and generating to automobile instrument.For example, in present embodiment,
One to four totally four alert levels, and from one to four are preset in detector, corresponding abnormal conditions are gradually serious.2nd CAN connects
Mouthful timing is asked when sending school to automobile instrument, during ensureing timing school, so as to ensure the second CAN interface on automobile instrument
The gathered data for passing detector is synchronous with the clock of automobile instrument.And in present embodiment, by setting, occur in detector
When one-level, secondary alarm, human pilot is prompted by automobile instrument, battery has potential safety hazard.
In present embodiment, switch for carrying out abnormal prompt, core control according to the connection status of kernel control module
Molding block is additionally operable to obtain detector and the connection status controlling switch of fire extinguisher carries out abnormal prompt.Specifically, set on switch
There is warning light, when the connection relaxation of switch and kernel control module, or, the connection relaxation of detector and fire extinguisher, switching point
Bright warning light prompting connection is abnormal.Specifically, in present embodiment, when the connection relaxation of switch and kernel control module, switch
The bright orange lamp of indicator lamp.The judgement being connected with kernel control module is switched, can be fed back and carried out by signal, such as switch connection is just
In the case of often, regularly communicated with kernel control module, when switch can not communicate with kernel control module, then switch indication light is bright orange
Lamp.In addition, in present embodiment, kernel control module obtains the connection state information of detector and fire extinguisher in real time, works as detection
Device is connected relaxation with fire extinguisher, then the bright orange lamp of kernel control module controlling switch indicator lamp is to prompt failure.
In present embodiment, the indicator lamp of kernel control module also controllable switch shows different lighting lamp states and shown
It is alert, and kernel control module is used to generate fire extinguishing instruction according to the switching signal of switch, and fire extinguisher is sent to by detector.
For example, warning light at least uses bicolored light, in the present embodiment, indicator lamp at least has reddish yellow dichromatism, and yellow is as described above, be used for
Indicate connecting fault.When more serious three-level alarm occurs for detector, the switch that kernel control module is connected sends rush ring
Sound and red light flicker alarm signal, prompt human pilot to press lower switch, then send fire extinguisher by kernel control module and open
Dynamic order opens extinguishing device to detector；When level Four alarm occurs, detector automatically opens up extinguishing device, now switchs
Continuous alarm sound is sent, red light Chang Liang, prompts human pilot extinguishing device to have been started up.
In present embodiment, switch uses rocker switch, and switch is provided with buzzer promote ring alarm.
In present embodiment, kernel control module is used for according to power module working state control battery powered.Specifically,
In present embodiment, battery uses button cell.In present embodiment, kernel control module obtains system by power module and supplied
Electricity is battery case power supply.In the case of system cut-off, kernel control module is battery powered, and maintains real-time clock operation；System
When upper electric, it be battery powered and be switched to system power supply power supply, and charged automatically for battery when battery electric quantity is relatively low, when has ensured
The accuracy of clock, extend the service life of battery.
In present embodiment, hardware watchdog uses chip SP706.When kernel control module be SCM program run fly or
When person is crashed, hardware watchdog is that chip SP706 hello dog pins cannot be overturn, and house dog occurs within 1.6 seconds and overflows, passes through RST
Reset pin ensures that data record is timely reliable with communicating to monolithic processor resetting.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (10)
- A kind of 1. battery case fire alarm data logger, it is characterised in that including：Kernel control module, SD card, hardware are guarded the gate Dog, power module, battery, switch, the first CAN interface and the second CAN interface；Kernel control module connects SD card, hardware respectively House dog, power module, battery, switch, the first CAN interface and the second CAN interface；First CAN interface is connected to the detector of fire alarm, the second CAN interface connection automobile instrument；Kernel control module Believe for obtaining sensing data, malfunction and/or the alert levels of detector collection by the first CAN interface, and by collection Breath storage is into SD card；Kernel control module is additionally operable to send to automobile instrument by the second CAN interface and gathered according to detector The warning information of information generation；Kernel control module is additionally operable to control the work of detector second line of a couplet equipment according to the operation signal of switch.
- 2. battery case fire alarm data logger as claimed in claim 1, it is characterised in that preset in kernel control module Having time threshold value, during SD card data storage, data are covered forward according to time threshold automatically.
- 3. battery case fire alarm data logger as claimed in claim 2, it is characterised in that kernel control module uses Fatfs32 file system, it is .txt files to name generation suffix according to year, month, day, and file internal is the collection of each detector Information.
- 4. battery case fire alarm data logger as claimed in claim 3, it is characterised in that kernel control module according to When, minute, second, detector numbering, sensor information, fault message, alert levels order storage data.
- 5. battery case fire alarm data logger as claimed in claim 1, it is characterised in that kernel control module is used to lead to When crossing the second CAN interface with automobile instrument school.
- 6. the battery case fire alarm data logger as described in claim 1 or 5, it is characterised in that switch for according to The connection status of kernel control module carries out abnormal prompt, and kernel control module is additionally operable to obtain the connection of detector and fire extinguisher State control switch carries out abnormal prompt.
- 7. battery case fire alarm data logger as claimed in claim 6, it is characterised in that switch is provided with warning light, When the connection relaxation of switch and kernel control module, or, the connection relaxation of detector and fire extinguisher, switch is lighted warning light and carried Show that connection is abnormal；Preferably, warning light is at least bicolored light, is respectively used to prompting exception and extinguishing device working condition.
- 8. battery case fire alarm data logger as claimed in claim 1, it is characterised in that kernel control module is used for root According to the switching signal generation fire extinguishing instruction of switch, and fire extinguisher is sent to by detector.
- 9. battery case fire alarm data logger as claimed in claim 1, it is characterised in that kernel control module is using single Piece machine.
- 10. battery case fire alarm data logger as claimed in claim 1, it is characterised in that kernel control module and SD Card is connected by SPI interface；Preferably, battery uses button cell；Preferably, hardware watchdog uses chip SP706；Switch Using rocker switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710708651.XA CN107705489A (en) | 2017-08-17 | 2017-08-17 | A kind of battery case fire alarm data logger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710708651.XA CN107705489A (en) | 2017-08-17 | 2017-08-17 | A kind of battery case fire alarm data logger |
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| CN107705489A true CN107705489A (en) | 2018-02-16 |
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| CN201710708651.XA Pending CN107705489A (en) | 2017-08-17 | 2017-08-17 | A kind of battery case fire alarm data logger |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111249652A (en) * | 2020-01-19 | 2020-06-09 | 国网江苏省电力有限公司电力科学研究院 | Water mist fire extinguishing device and method applied to lithium iron phosphate energy storage battery |
| CN117576880A (en) * | 2024-01-19 | 2024-02-20 | 广州瑞港消防设备有限公司 | Fire disaster early warning system applied to storage battery pack monitoring |
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| CN105457194A (en) * | 2015-12-31 | 2016-04-06 | 成都旭光光电技术有限责任公司 | Battery box fire monitoring system and fire extinguishing system adopting same |
| CN205569556U (en) * | 2016-02-02 | 2016-09-14 | 郑州宇通客车股份有限公司 | Fire extinguishing systems and on -vehicle battery box of on -vehicle battery box |
| CN106983970A (en) * | 2017-02-16 | 2017-07-28 | 中汽客汽车零部件（厦门）有限公司 | A kind of fire early warning and fire control unit and method |
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- 2017-08-17 CN CN201710708651.XA patent/CN107705489A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201897826U (en) * | 2010-08-24 | 2011-07-13 | 上海中科深江电动车辆有限公司 | Vehicle-mounted information recording instrument with Micro SD (secure digital) card memory interface |
| CN105457194A (en) * | 2015-12-31 | 2016-04-06 | 成都旭光光电技术有限责任公司 | Battery box fire monitoring system and fire extinguishing system adopting same |
| CN205569556U (en) * | 2016-02-02 | 2016-09-14 | 郑州宇通客车股份有限公司 | Fire extinguishing systems and on -vehicle battery box of on -vehicle battery box |
| CN106983970A (en) * | 2017-02-16 | 2017-07-28 | 中汽客汽车零部件（厦门）有限公司 | A kind of fire early warning and fire control unit and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111249652A (en) * | 2020-01-19 | 2020-06-09 | 国网江苏省电力有限公司电力科学研究院 | Water mist fire extinguishing device and method applied to lithium iron phosphate energy storage battery |
| CN117576880A (en) * | 2024-01-19 | 2024-02-20 | 广州瑞港消防设备有限公司 | Fire disaster early warning system applied to storage battery pack monitoring |
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Application publication date: 20180216 |