CN209373380U - Electric car safety monitoring system - Google Patents
Electric car safety monitoring system Download PDFInfo
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- CN209373380U CN209373380U CN201822122556.4U CN201822122556U CN209373380U CN 209373380 U CN209373380 U CN 209373380U CN 201822122556 U CN201822122556 U CN 201822122556U CN 209373380 U CN209373380 U CN 209373380U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 53
- 230000004913 activation Effects 0.000 claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims description 23
- 230000005611 electricity Effects 0.000 claims description 12
- 230000003213 activating effect Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 2
- 238000007726 management method Methods 0.000 description 64
- 238000013461 design Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of electric car safety monitoring system, including safety governor, temperature sensor, low-tension supply, control switch, battery management system and whole controller, safety governor includes temperature wake-up and acquisition module, power management module and micro treatment module, temperature wakes up and acquisition module includes temperature wakeup unit and temperature collecting cell, power management module perseverance provides voltage for temperature wakeup unit, power management module includes the wake-up signal detection unit connecting with temperature wakeup unit, temperature wakeup unit sends activation signal to wake-up signal detection unit when monitoring temperature sensor beyond threshold temperature, power management module is micro treatment module and temperature wakes up and acquisition module provides operating voltage, control switch is located between low-tension supply and battery management system and entire car controller, micro treatment module Output control signal is when activation to be closed control switch and obtain the information of temperature collecting cell, battery management system and entire car controller.
Description
Technical field
The utility model relates to electric car monitoring technology field more particularly to a kind of electric car safety monitoring systems.
Background technique
At this stage, the industrialized scale of New-energy electric vehicle is increasing, peace of the people for New-energy electric vehicle
Full property is also increasingly paid attention to.In recent years, New-energy electric vehicle has safety accident to go out in traveling, charging and parking period
It is existing.Core component one of of the power battery as New-energy electric vehicle is the main hazard source of these safety accidents.Generally
Ground, the power battery of New-energy electric vehicle can be equipped with battery management system (BMS) to the voltage, electric current, temperature of power battery
Degree, insulation resistance measure, and to protect power battery, while carrying out heat management, balanced management, battery status estimation and failure
Alarm etc..Chinese utility model patent the 201120269827.4th provides a kind of new-energy automobile remote monitoring system, leads to
The wireless telecommunications for crossing data acquisition unit and monitoring unit, the data in the battery management system of New-energy electric vehicle are real-time
Pass to remote monitoring center；Chinese utility model patent the 201620111875.3rd discloses a kind of electric car safety prison
Control system, comprising in secure data detection unit, vehicle and charging pile data collection module, wireless communication unit, long-range monitoring
The heart and data terminal realize closed loop monitoring, are in new energy vehicle and electrically-charging equipment under monitoring, for safety problem can and
When take action.The above-mentioned prior art can remotely monitor new energy vehicle, but on condition that vehicle is needed in traveling
Or charged state, it can not monitoring with high safety when vehicle is in parked state.And recently as New energy electric
Phenomena such as automobile parking spontaneous combustion, happens occasionally, and existing safety monitoring system there will naturally be obvious shortcoming.Therefore, it is necessary to provide
A kind of electric car safety monitoring system can be realized and carry out security monitoring when being in parked state to electric car, improve electricity
Safety of the electrical automobile under parked state.
Utility model content
The purpose of this utility model is to provide a kind of electric car safety monitoring systems, can be realized at electric car
Security monitoring is carried out when parked state, improves safety of the electric car under parked state.
To achieve the goals above, the utility model provides a kind of electric car safety monitoring system, including controls safely
Device, temperature sensor, low-tension supply, control switch, battery management system and whole controller processed, the safety governor packet
Temperature wake-up and acquisition module, power management module and micro treatment module are included, the temperature wakes up and acquisition module includes temperature
Wakeup unit and temperature collecting cell, the temperature wakeup unit are electrically connected with the temperature sensor to monitor whether it surpasses
Threshold temperature out, the temperature collecting cell and the temperature sensor are electrically connected with temperature collection information, the power supply pipe
It manages module perseverance and provides operating voltage for the temperature wakeup unit, the power management module includes and the temperature wakeup unit
The wake-up signal detection unit of electric connection, the temperature wakeup unit is in monitoring the temperature sensor beyond threshold temperature
When send activation signal and activate the power management module to the wake-up signal detection unit, the power management module in
The respectively described micro treatment module and the temperature wake up when state of activation and acquisition module provides normal working voltage, described low
Voltage source is that the battery management system and entire car controller are powered, and the control switch is located at the low-tension supply and the electricity
Between pond management system and entire car controller, the micro treatment module exports control signal when state of activation to be closed the control
The information of system switch and acquisition from the temperature collecting cell, battery management system and entire car controller.
Preferably, the temperature wakeup unit includes voltage comparator, first resistor, second resistance and 3rd resistor,
The temperature sensor is thermistor, and the output end of the second resistance is grounded, and the input terminal of the second resistance is connected serially to
The first resistor, the output end ground connection of the thermistor, the input terminal of the thermistor are connected serially to the 3rd resistor,
The forward direction that one of the input terminal of the second resistance and the input terminal of the thermistor are connected to the voltage comparator is defeated
Enter end, another one is connected to the reverse input end of the voltage comparator, the resistance value of the first resistor and the 3rd resistor
It is equal, the resistance value of the second resistance it is equal with equivalent resistance of the thermistor under threshold temperature to provide benchmark compared with
Voltage, the wake-up signal detection unit are connected to the output end of the voltage comparator, and the power management module perseverance provides
Voltage to the first resistor and 3rd resistor input terminal and the voltage comparator positive power source terminal.
Preferably, the power management module further includes timing wake-up unit, the timing wake-up unit be configured as in
Setting time activates the power management module after reaching.
Preferably, the safety governor further includes data memory module and usb communication module, the data memory module
It is electrically connected with usb communication module and the micro treatment module.
Preferably, the safety governor further includes CAN communication module, the CAN communication module and the micro process mould
Block is electrically connected, and the CAN communication module is connect by CAN bus with the battery management system and the entire car controller.
Preferably, the electric car safety monitoring system further includes TBox car-mounted terminal, the TBox car-mounted terminal is logical
It crosses the control switch and the low-tension supply is electrically connected, the TBox car-mounted terminal, which obtains, comes from the battery management system
System, entire car controller and micro treatment module information and be wirelessly transmitted to remote terminal, the micro treatment module acquisition comes from
The information of the TBox car-mounted terminal.
Preferably, the safety governor further includes drive module, the drive module is connected to the micro treatment module
Between the control switch, the micro treatment module exports enable signal when state of activation is closed the drive module,
The drive module output driving level is to the control switch so that the control switch is closed.
Preferably, the drive module is low side intelligence MOS switch.
Preferably, the control switch is normal-open type relay.
Preferably, being equipped between the micro treatment module and the power management module for the power management module
Carry out the spi bus of parameter configuration.
Compared with prior art, the utility model electric car safety monitoring system is in parked state in electric car
When, power management module can provide the working power of a low-power consumption always for temperature wakeup unit, so that temperature wakeup unit
It can continue whether monitoring temperature sensor exceeds threshold temperature, when monitoring temperature sensor beyond threshold temperature, power supply
The wake-up signal detection unit of management module then can be able to be micro- place according to the activation signal activation power management module received
It manages module and temperature wakes up and acquisition module provides normal working voltage, the temperature collecting module temperature collection after activating at this time
The data of sensor are simultaneously transmitted to micro treatment module, micro treatment module output control signal closed low power supply and electricity after activation
Control switch between pond management system and entire car controller, so that micro treatment module is available to come from battery management system
The information of system and entire car controller；So that the utility model electric car safety monitoring system can be realized to electric car
Security monitoring is carried out when in parked state, improves safety and reliability of the electric car under parked state, Neng Gouman
The application demand of sufficient electric car security monitoring.
Detailed description of the invention
Fig. 1 is the circuit diagram of the utility model embodiment electric car safety monitoring system.
Fig. 2 is the circuit signal of temperature wakeup unit shown in Fig. 1, temperature sensor and wake-up signal detection unit
Figure.
Specific embodiment
For the content, construction feature, the objects and the effects that the utility model is described in detail, below in conjunction with embodiment
And attached drawing is cooperated to be explained in detail.
Referring to Fig. 1, the utility model discloses electric car safety monitoring system, including safety governor M1, temperature
Sensor M2, low-tension supply M3, control switch M4, battery management system M5 and entire car controller M6, the safety governor
M1 includes temperature wake-up and acquisition module 1, power management module 2 and micro treatment module 3, and the temperature wakes up and acquisition module
1 includes temperature wakeup unit 11 and temperature collecting cell 12, and the temperature wakeup unit 11 and the temperature sensor M2 are electrical
To monitor whether it exceeds threshold temperature, the temperature collecting cell 12 is electrically connected with the temperature sensor M2 to adopt for connection
Collect temperature information, the permanent power management module 2 is that the temperature wakeup unit 11 provides operating voltage, the power management mould
Block 2 include with the temperature wakeup unit 11 be electrically connected wake-up signal detection unit 21, the temperature wakeup unit 11 in
Activation signal is sent when monitoring the temperature sensor M2 beyond threshold temperature to the wake-up signal detection unit 21 to swash
The living power management module 2, the power management module 2 respectively described micro treatment module 3 and described when state of activation
Temperature wakes up and acquisition module 1 provides normal working voltage, and the low-tension supply M3 is the battery management system M5 and vehicle
Controller M6 power supply, the control switch M4 are located at the low-tension supply M3 and the battery management system M5 and entire car controller
Between M6, the micro treatment module 3 exports control signal when state of activation to be closed the control switch M4 and obtain
From the information of the temperature collecting cell 12, battery management system M5 and entire car controller M6.Specifically, power management module
2 perseverances are that the operating voltage VKAM that the temperature wakeup unit 11 provides provides for low-power consumption LDO power supply, controlled can be closed；Low pressure
Power supply M3 is battery, and specially vehicle-mounted power supply is responsible for vehicle and provides low-tension supply M3；Micro treatment module 3 is with MCU
Or the processors such as ARM and its embedded software are core, peripheral circuit can according to need flexible configuration, brilliant if necessary
Vibration, EEPROM and outer watchdog etc., belong to the common configuration technology of embedded system；Power management module 2 is with SBC
(System Basic Chip, system base chip) is core.It should be noted that in " exceeding threshold temperature " herein
Including " exceeding " includes " reaching "；Temperature sensor M2 is generally arranged in car hold body, and quantity is unlimited, for acquiring each cabin
The environment temperature of internal or each battery case, but be not limited thereto；The input effective means of wake-up signal detection unit 21
It can be low level, high level or edging trigger etc., this is not restricted.
The utility model electric car safety monitoring system is when electric car is in parked state, power management module 2
The operating voltage of a low-power consumption can be provided for temperature wakeup unit 11 always, temperature wakeup unit 11 is enabled to continue to monitor
Whether temperature sensor M2 exceeds threshold temperature, when monitoring temperature sensor M2 beyond threshold temperature, power management module 2
Wake-up signal detection unit 21 can according to receive activation signal activation power management module 2, then can be micro process mould
Block 3 and temperature wake up and acquisition module 1 provides normal working voltage, 12 temperature collection of temperature collecting cell after activating at this time
The data of sensor M2 are simultaneously transmitted to micro treatment module 3, the output control signal closed low power supply of micro treatment module 3 after activation
Control switch M4 between M3 and battery management system M5 and entire car controller M6, so that micro treatment module 3 is available
Information from battery management system M5 and entire car controller M6；So that the utility model electric car safety monitoring system
It can be realized and carry out security monitoring when being in parked state to electric car, improve safety of the electric car under parked state
Property and reliability, can satisfy the application demand of electric car security monitoring.
Incorporated by reference to Fig. 2, in some embodiments, temperature wakeup unit 11 includes voltage comparator U1, first resistor R1, the
Two resistance R2 and 3rd resistor R3, temperature sensor M2 are thermistor, and the output end of second resistance R2 is grounded, second resistance
The input terminal of R2 is connected serially to first resistor R1, the output end ground connection of thermistor, and the input terminal of thermistor is connected serially to third electricity
R3 is hindered, one of the input terminal of second resistance R2 and the input terminal of the thermistor are being connected to the voltage comparator U1 just
To input terminal, another one is connected to the reverse input end of the voltage comparator U1, the first resistor R1 and third electricity
The resistance value for hindering R3 is equal, and the resistance value of the second resistance R2 is with equivalent resistance RT1 of the thermistor under threshold temperature
Resistance value is equal to provide benchmark comparison voltage VREF2 (such as T=60 DEG C of threshold temperature corresponds to 20K Ω), the wake-up signal inspection
The output end that unit 21 is connected to the voltage comparator U1 is surveyed, the permanent voltage that provides of power management module 2 is to described first
The positive power source terminal of the input terminal of resistance R1 and 3rd resistor R3 and the voltage comparator U1.According to the actual setting feelings of circuit
Condition, when the level that the output end of voltage comparator U1 exports is converted into high level by low level or is converted into low electricity by high level
Usually, it is significant level to activate the power management module 2 that the wake-up signal detection unit 21, which acquires output level,.Specifically
For, power management module 2 is exported to the input terminal of first resistor R1 and 3rd resistor R3 and the voltage comparator U1
The voltage VKAM of positive power source terminal provides for low-power consumption LDO power supply；It is equipped between the output end and positive power source terminal of voltage comparator U1
Pull-up resistor Rp.It should be noted that above-mentioned first resistor R1, second resistance R2 and 3rd resistor R3 can be an electricity
Resistance is also possible to be made of two or more resistance.
In a particular embodiment, thermistor is negative tempperature coefficient thermistor；The input terminal of thermistor is connected to electricity
The non-inverting input terminal of comparator U1 is pressed, the input terminal of second resistance R2 is connected to the inverting input terminal of voltage comparator U1.Work as hair
When battery short circuit or vehicle smolder on fire etc. abnormal in raw battery case, car hold temperature is increased, the equivalent electricity of thermistor
Hinder RT1 resistance decrease；When the resistance value of the equivalent resistance RT1 of thermistor is less than the resistance value of second resistance R2, then voltage comparator
U1 output is low level, and otherwise voltage comparator U1 output is high level.It, can quilt when voltage comparator U1 output is low level
The acquisition of wake-up signal detection unit 21 is significant level, to activate power management module 2, and then activates entire security monitoring system
System.
In some embodiments, the power management module 2 further includes timing wake-up unit 22, the timing wake-up unit
22 are configured as activating the power management module 2 after setting time reaches；It designs whereby, so that the utility model is electronic
Automotive safety monitoring system in addition to whether threshold value can be exceeded according to temperature activate monitoring other than, timing wake-up list can also be passed through
Member 22 carrys out timed activation power management module 2, and then activates entire safety monitoring system, has further ensured electric car in stopping
Put the safety of state.Swash in addition, power management module 2 can also control signal DELAY_EN co- controlling by time delayed turn-off
It is living.
In some embodiments, wake-up signal detection unit 21 is configured as receiving electric discharge activation signal and charging activation letter
Number with activation power management module 2 when electric car is charged or when use and then entire safety monitoring system is activated,
To realize the security monitoring under charging or use state.
In some embodiments, the safety governor M1 further includes data memory module 4 and usb communication module 5, described
Data memory module 4 and usb communication module 5 and the micro treatment module 3 are electrically connected；It designs, is easy to implement to history whereby
The storage and reading of data.
In some embodiments, the safety governor M1 further includes CAN communication module 6, the CAN communication module 6 with
The micro treatment module 3 is electrically connected, and the CAN communication module 6 passes through CAN bus and the battery management system M5 and described
Entire car controller M6 connection；It designs whereby, micro treatment module 3 can be established and battery management system M5 by CAN communication module 6
It is transmitted with quick, the reliable information of the entire car controller M6.
In some embodiments, the electric car safety monitoring system further includes TBox car-mounted terminal M7, the TBox
Car-mounted terminal M7 is electrically connected by the control switch M4 and low-tension supply M3, and the TBox car-mounted terminal M7, which is obtained, to be come
From the information of the battery management system M5, entire car controller M6 and micro treatment module 3 and it is wirelessly transmitted to remote terminal T,
The micro treatment module 3 obtains the information from the TBox car-mounted terminal M7；By above-mentioned design, TBox vehicle-mounted end can be passed through
M7 is held to realize long-range monitoring, while micro treatment module 3 can also obtain the information from TBox car-mounted terminal M7.Specifically,
TBox car-mounted terminal M7 integrated wireless communications function；Preferably integrated 4G communication function and GPS positioning function.
In some embodiments, the safety governor M1 further includes drive module 7, and the drive module 7 is connected to institute
It states between micro treatment module 3 and the control switch M4, the micro treatment module 3 exports enable signal when state of activation makes institute
The closure of drive module 7 is stated, the 7 output driving level of drive module is to the control switch M4 so that the control switch M4 is closed
It closes.As preferential embodiment, drive module 7 is low side intelligence MOS switch.
In some embodiments, the control switch M4 is normal-open type relay；Preferably the time of power cut off delay type after
Electric appliance.
In some embodiments, it is equipped between the micro treatment module 3 and the power management module 2 for the electricity
The spi bus of the progress parameter configuration of source control module 2；For example, can carry out in the timing wake-up period to timing wake-up unit 22
Setting.
Below by taking Fig. 1 and specific embodiment shown in Fig. 2 as an example, its working principle is described；It should not serve to this reality
With novel limitation.
When vehicle is in parked state, discharge activation signal (generally key switch) KEY_ON and charging activation signal
CHG_A+ is low level；Control switch M4 is in an off state, and safety governor M1 is in Low-power-consumptiodormancy dormancy state, power supply pipe
Reason module 2 wakes up to micro treatment module 3 and temperature and acquisition module 1 does not provide output voltage VDD and VREF, power management
Module 2 monitors temperature for temperature wakeup unit 11 only by low-power consumption LDO power supply to 11 output voltage VKAM of temperature wakeup unit
Wake events are spent, battery management system M5, entire car controller M6 and TBox car-mounted terminal M7 do not work；That is only power supply
Timing wake-up unit 22 and wake-up signal detection unit 21 in management module 2 are in low-power consumption working condition.Work as timing wake-up
The timing (such as 30 minutes~60 minutes) that unit 22 is set reaches or temperature sensor M2 is more than threshold temperature, warm at this time
The INT (low level is effective) of 11 wake-up interrupts of wakeup unit is spent, wake-up signal detection unit 21 activates power management module 2, to
Micro treatment module 3 and temperature wake-up and acquisition module 1 output voltage VDD and VREF, micro treatment module 3 are started to work, output
Enable signal RL_EN control drive module 7 is closed and exports low level, therefore control switch M4 is closed and connects low-tension supply M3 extremely
Route between battery management system M5, entire car controller M6 and TBox car-mounted terminal M7 is so that its work (only upper low tension).
Micro treatment module 3 passes through the information of 12 temperature collection sensor M2 of temperature collecting cell, obtains battery by CAN communication module 6
Management system M5, the information of entire car controller M6 and TBox car-mounted terminal M7 simultaneously carry out data storage by data memory module 4
To carry out historical data tracing.TBox car-mounted terminal M7 acquires battery management system M5, entire car controller M6 and safety governor
The information of M1, and it is transmitted to remote terminal T (user mobile phone or cloud platform) by wireless communication, user is supervised in time
Control the parked state information of electric car.When safety governor M1 monitors cabin temperature anomaly or battery management system M5 prison
Abnormal state in battery case is measured, then is transmitted to TBox car-mounted terminal M7, issues alarm to remote terminal T.
As electric discharge activation signal KEY_ON effectively (high level) or charge activation signal CHG_A+ effectively (high level), then it is electric
Source control module 211 is activated, and wakes up to micro treatment module 3 and temperature and acquisition module 1 output voltage VDD and VREF, micro-
Processing module 3 is started to work, and output enable signal RL_EN control drive module 7, which is closed, simultaneously exports low level, control switch M4 because
This closure connect battery to route between battery management system M5, entire car controller M6 and TBox car-mounted terminal M7 so that its
Work (upper low tension and high-voltage electricity).Vehicle enters driving status or charged state, and micro treatment module 3 passes through temperature collecting cell
The information of 12 temperature collection sensor M2, by CAN communication module 6 obtain battery management system M5, entire car controller M6 and
The information of TBox car-mounted terminal M7 simultaneously carries out data storage by data memory module 4 to carry out historical data tracing.TBox vehicle
Mounted terminal M7 acquires the information of battery management system M5, entire car controller M6 and safety governor M1, and passes by wireless communication
Transport to traveling or charging that remote terminal T (user mobile phone perhaps cloud platform) allows user to monitor electric car in time
Status information.
Above disclosed is only the preferred embodiments of the utility model, and effect is to facilitate those skilled in the art
Understand and implement accordingly, the interest field of the utility model cannot be limited with this certainly, therefore special according to the present utility model application
Equivalent variations made by sharp range still falls within the range that the utility model is covered.
Claims (10)
1. a kind of electric car safety monitoring system, it is characterised in that: including safety governor, temperature sensor, low-tension supply,
Control switch, battery management system and whole controller, the safety governor include temperature wake-up and acquisition module, power supply
Management module and micro treatment module, the temperature wakes up and acquisition module includes temperature wakeup unit and temperature collecting cell,
The temperature wakeup unit and the temperature sensor are electrically connected to monitor whether it exceeds threshold temperature, the temperature acquisition
Unit and the temperature sensor are electrically connected with temperature collection information, and the power management module perseverance is that the temperature wakes up list
Member provides operating voltage, and the power management module includes the wake-up signal detection list being electrically connected with the temperature wakeup unit
Member, the temperature wakeup unit send activation signal to the wake-up when monitoring the temperature sensor beyond threshold temperature
Detecting signal unit is to activate the power management module, the power management module respectively described micro- place when state of activation
It manages module and the temperature wakes up and acquisition module provides normal working voltage, the low-tension supply is the battery management system
Power with entire car controller, the control switch be located at the low-tension supply and the battery management system and entire car controller it
Between, the micro treatment module exports control signal when state of activation to be closed the control switch and obtain from the temperature
Spend the information of acquisition unit, battery management system and entire car controller.
2. electric car safety monitoring system as described in claim 1, it is characterised in that: the temperature wakeup unit includes electricity
Comparator, first resistor, second resistance and 3rd resistor are pressed, the temperature sensor is thermistor, the second resistance
Output end ground connection, the input terminal of the second resistance is connected serially to the first resistor, the output end ground connection of the thermistor,
The input terminal of the thermistor is connected serially to the 3rd resistor, the input terminal of the second resistance and the thermistor it is defeated
Enter the positive input that one of end is connected to the voltage comparator, another one is connected to the reversed defeated of the voltage comparator
Enter end, the resistance value of the first resistor and the 3rd resistor is equal, the resistance value of the second resistance and the thermistor in
Equivalent resistance under threshold temperature is equal to provide benchmark comparison voltage, and the wake-up signal detection unit is connected to the voltage
The output end of comparator, the power management module perseverance provide voltage to the input terminal of the first resistor and 3rd resistor and
The positive power source terminal of the voltage comparator.
3. electric car safety monitoring system as described in claim 1, it is characterised in that: the power management module further includes
Timing wake-up unit, the timing wake-up unit are configured as activating the power management module after setting time reaches.
4. electric car safety monitoring system as described in claim 1, it is characterised in that: the safety governor further includes number
According to memory module and usb communication module, the data memory module and usb communication module electrically connect with the micro treatment module
It connects.
5. electric car safety monitoring system as described in claim 1, it is characterised in that: the safety governor further includes
CAN communication module, the CAN communication module and the micro treatment module are electrically connected, and the CAN communication module is total by CAN
Line is connect with the battery management system and the entire car controller.
6. electric car safety monitoring system as claimed in claim 1 or 5, it is characterised in that: it further include TBox car-mounted terminal,
The TBox car-mounted terminal is electrically connected by the control switch and the low-tension supply, and the TBox car-mounted terminal, which obtains, to be come
From the information of the battery management system, entire car controller and micro treatment module and it is wirelessly transmitted to remote terminal, it is described micro-
Processing module obtains the information from the TBox car-mounted terminal.
7. electric car safety monitoring system as described in claim 1, it is characterised in that: the safety governor further includes driving
Dynamic model block, the drive module are connected between the micro treatment module and the control switch, and the micro treatment module is in sharp
Output enable signal is closed the drive module when state living, the drive module output driving level to the control switch
So that the control switch closure.
8. electric car safety monitoring system as claimed in claim 7, it is characterised in that: the drive module is low side intelligence
MOS switch.
9. electric car safety monitoring system as described in claim 1, it is characterised in that: the control switch be open type after
Electric appliance.
10. electric car safety monitoring system as described in claim 1, it is characterised in that: the micro treatment module with it is described
The spi bus for carrying out parameter configuration to the power management module is equipped between power management module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822122556.4U CN209373380U (en) | 2018-12-17 | 2018-12-17 | Electric car safety monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822122556.4U CN209373380U (en) | 2018-12-17 | 2018-12-17 | Electric car safety monitoring system |
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| CN209373380U true CN209373380U (en) | 2019-09-10 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110824335A (en) * | 2019-10-09 | 2020-02-21 | 威睿电动汽车技术(宁波)有限公司 | Abnormity detection system and method for wake-up circuit |
| CN110861530A (en) * | 2019-11-25 | 2020-03-06 | 芜湖天量电池系统有限公司 | Monitoring system and method for power battery |
| CN111786358A (en) * | 2020-06-29 | 2020-10-16 | 深圳市京华信息技术有限公司 | Automobile data recorder protection device |
| CN112564473A (en) * | 2020-12-01 | 2021-03-26 | 武汉力行远方电源科技有限公司 | Vehicle-mounted auxiliary power supply circuit and system |
| CN113933719A (en) * | 2020-06-29 | 2022-01-14 | 比亚迪股份有限公司 | System and method for monitoring battery core fault and vehicle |
| CN114512692A (en) * | 2022-01-28 | 2022-05-17 | 上海捷氢科技股份有限公司 | Purging method of fuel cell, fuel cell system and fuel cell vehicle |
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2018
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824335A (en) * | 2019-10-09 | 2020-02-21 | 威睿电动汽车技术(宁波)有限公司 | Abnormity detection system and method for wake-up circuit |
| CN110861530A (en) * | 2019-11-25 | 2020-03-06 | 芜湖天量电池系统有限公司 | Monitoring system and method for power battery |
| CN110861530B (en) * | 2019-11-25 | 2024-02-20 | 芜湖天量电池系统有限公司 | Monitoring system and method for power battery |
| CN111786358A (en) * | 2020-06-29 | 2020-10-16 | 深圳市京华信息技术有限公司 | Automobile data recorder protection device |
| CN113933719A (en) * | 2020-06-29 | 2022-01-14 | 比亚迪股份有限公司 | System and method for monitoring battery core fault and vehicle |
| CN112564473A (en) * | 2020-12-01 | 2021-03-26 | 武汉力行远方电源科技有限公司 | Vehicle-mounted auxiliary power supply circuit and system |
| CN114512692A (en) * | 2022-01-28 | 2022-05-17 | 上海捷氢科技股份有限公司 | Purging method of fuel cell, fuel cell system and fuel cell vehicle |
| CN114512692B (en) * | 2022-01-28 | 2024-04-26 | 上海捷氢科技股份有限公司 | Purging method of fuel cell, fuel cell system and fuel cell vehicle |
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Granted publication date: 20190910 |