CN105606774B - A kind of vehicle intelligent safety monitoring system and method - Google Patents
A kind of vehicle intelligent safety monitoring system and method Download PDFInfo
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- CN105606774B CN105606774B CN201610108210.1A CN201610108210A CN105606774B CN 105606774 B CN105606774 B CN 105606774B CN 201610108210 A CN201610108210 A CN 201610108210A CN 105606774 B CN105606774 B CN 105606774B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 75
- 238000004891 communication Methods 0.000 claims abstract description 23
- 230000001960 triggered effect Effects 0.000 claims abstract description 3
- 230000009429 distress Effects 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 claims description 9
- 238000005286 illumination Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 62
- 230000000505 pernicious effect Effects 0.000 description 12
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 208000005374 Poisoning Diseases 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 231100000572 poisoning Toxicity 0.000 description 3
- 230000000607 poisoning effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 206010025482 malaise Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 208000001836 Firesetting Behavior Diseases 0.000 description 1
- 206010017740 Gas poisoning Diseases 0.000 description 1
- 206010028813 Nausea Diseases 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 206010041349 Somnolence Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004297 night vision Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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- General Health & Medical Sciences (AREA)
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- Immunology (AREA)
- Pathology (AREA)
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Abstract
The invention discloses a kind of vehicle intelligent safety monitoring system, the system includes locating module, gas detection module, video acquisition module, communication module and microprocessor, and locating module is used to obtain vehicle position information and positional information is sent into microprocessor；Gas detection module is used to detect harmful gas in vehicle and sends detection information to microprocessor；Microprocessor is used to handle detection information and judge whether detection information reaches detection threshold value, video acquisition module is triggered when reaching detection threshold value and carries out video acquisition, and video and current location information are sent to public security system center by wireless communication module.The invention also discloses a kind of vehicle intelligent safety monitoring method.Multiple modules such as detection, video recording, speech talkback, key calling for help are integrated together by supervising device of the present invention, it is connected with public security system center, effectively it can prevent and warn, and in time relevant departments can be notified to be succoured when personnel face a danger in the car.
Description
Technical field
The present invention relates to on-vehicle safety monitoring technical field, more particularly to a kind of vehicle intelligent safety monitoring system and side
Method.
Background technology
Today that science and technology is maked rapid progress, the life style active influence of digital information everyone, and intelligence
Change and also gradually taken new facility for the life of people.With the popularization and road traffic great-leap-forward development of China's automobile,
Driver and crew's injures and deaths caused by harmful gas in vehicle and traffic accidents also occur again and again.
In-car pernicious gas is broadly divided into harmful gas such as two classes, a kind of formaldehyde discharged for automotive interior material, benzene
Body, driver and crew are made the malaise symptoms such as dizzy, nauseous, sleepy occur；One kind is the carbon monoxide of the insufficient discharge of gasoline combustion,
It is easy to pour into compartment, driver and crew can be poisoned unconsciously after sucking the hypertoxic gas of this colorless and odorless, suffer a shock and fast
Speed is dead；Also one kind is in-car arson case, on fire suddenly in narrow space, and great wound is easily caused to occupant
Evil, it is easy to casualty situations occur.
Various regions government all improves the attention degree to public transport safety, and in-car has all reexamined safety hammer, fire extinguisher etc.
Related facility, harmful gas in vehicle colorless and odorless, not by sensing equipment, general is difficult to find.Most of driver and crew are universal
Lack the prevention awareness of harmful gas in vehicle.Very serious malaise symptoms occur after driver and crew's poisoning, or even are directly entered
Shock state, almost have no ability to realization and save oneself or actively call for help, and vehicle-mounted equipment is usually single video monitoring system,
Ex-post analysis can only be entered when class event is seted on fire, can not be warned in time on car before dependent event occurs or when occurring
Personnel or notice relevant departments are succoured.And the transducer sensitivity that the equipment of some existing detection combustibles uses is low,
Function is single, and detection species is single, and service life is short, it is difficult to really effectively play prevention and warning function.
The particularity of harmful gas in vehicle poisoning and the occlusive of in-vehicle information be cause driver and crew be easy to miss it is short
The main reason for temporary rescue time.The driver and crew of driver and crew's poisonous gas poisoning cannot rescue in time, meanwhile, drive
Member poisoning after it is uncomfortable in addition it is dead can directly result in the out of control of vehicle, bring very big road traffic hidden danger.
At the same time, sensing technology and wireless communication technology are being widely used in wagon control and road traffic neck
Domain.Sensing technology can realize the real-time monitoring to each index of in-car air.3G/4G networks are broadly used, closely
Wireless communication technology, as IEEE802.11P agreements can realize car and car, the radio communication between car and base station.
The content of the invention
The technical problems to be solved by the invention be how to overcome the device of on-vehicle safety monitoring of the prior art without
The defects of method is systematically monitored and can succoured in time.
In order to solve the above problems, the invention provides a kind of vehicle intelligent safety monitoring system, the system includes fixed
Position module, gas detection module, video acquisition module, communication module and microprocessor, the locating module, gas detection mould
Block, video acquisition module and communication module are connected with microprocessor, the locating module, for obtaining the positional information of vehicle
And the positional information is sent to microprocessor；The gas detection module, for detecting harmful gas in vehicle and to micro- place
Manage device and send detection information；The microprocessor, for being handled detection information and judging whether the detection information reaches
To detection threshold value, video acquisition module is triggered when reaching detection threshold value and carries out video acquisition, and by the video of collection and currently
Positional information is sent to public security system center by wireless communication module.
Further, the monitoring system also includes key calling for help module, and a key calls for help module and microprocessor phase
Even, for carrying out one-touch distress call when emergency occurs, and the warning information of distress call is sent to microprocessor
Device；The microprocessor is additionally operable to trigger video acquisition module progress video acquisition when receiving the warning information.
Further, the gas detection module includes harmful gas sensor, air-blast device and air guide device, institute
Air guide device is stated to be arranged between harmful gas sensor and air-blast device；The harmful gas sensor is used to detect car
Interior pernicious gas；The air-blast device is used to accelerate in-car air circulation and the air of circulation is blasted into the air conducting dress
Put；The air guide device is used to the air of circulation importing the harmful gas sensor.
Further, the air inlet of the air guide device and the air outlet of air-blast device are oppositely arranged, the air
The air outlet of guiding device is oppositely arranged with harmful gas sensor.
Further, the video acquisition module includes a kind of or more in ultra-low illumination video camera, infrared lamp and light compensating lamp
Kind.
Further, the monitoring system also includes the voice talk module using double-directional speech technology, the voice pair
Say that module includes echo cancelling device, the echo cancelling device is used for the echo interference for eliminating two-way voice talkback.
Further, the monitoring system also includes memory module, the memory module be used for the video for storing collection and
Positional information.
Correspondingly, present invention also offers a kind of vehicle intelligent safety monitoring method, comprise the following steps：
S1, detection harmful gas in vehicle obtain detection information and obtain the positional information of vehicle；
S2, judge whether the detection information reaches detection threshold value, carried out when the detection information reaches detection threshold value
Video acquisition；
S3, the video of collection and positional information be sent to public security system center.
Further, methods described also includes carrying out one-touch distress call when emergency occurs, while is regarded
Frequency gathers.
Further, methods described also includes carrying out speech talkback when the detection information reaches detection threshold value.
The vehicle intelligent safety monitoring system and method for the present invention, has the advantages that：
1st, gas detection module of the invention has air-blast device and air guide device, can effectively facilitate surrounding air
Circulation, is advantageous to harmful gas sensor and is accurately detected the parameters such as pernicious gas species concentration corresponding with its.
2nd, video acquisition module of the invention uses ultra-low illumination video camera, in the case where vehicle interior closes illumination,
Video monitoring can be clearly carried out by faint ambient light, the in-car details occurred is recorded, in the weak situation of environment auroral poles
It is lower to carry out light filling using infrared lights light compensating lamp, definition of the video under no ambient light is improved, record in-car occurs thin
Section.
3rd, the voice talk module in the present invention has echo cancelling device, and the echo that can eliminate two-way voice talkback is done
Disturb so that two-way voice talkback is apparent.
4th, multiple modules such as detection, video recording, speech talkback, key calling for help are integrated together by supervising device of the invention,
And it is connected with public security system center, effectively it can prevent and warn, and when personnel face a danger in the car, can
Notice relevant departments are succoured in time.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structured flowchart of the vehicle intelligent safety monitoring system of the present invention；
Fig. 2 is the flow chart of the vehicle intelligent safety monitoring method of the present invention；
In figure：1- locating modules, 2- gas detection modules, 3- video acquisition modules, the keys of 4- mono- call for help module, 5- voices pair
Say module, 6- microprocessors, 7- communication modules.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, the invention provides a kind of vehicle intelligent safety monitoring system, the system include locating module 1,
Gas detection module 2, video acquisition module 3, communication module 7, key calling for help module 4 and microprocessor 6, the locating module 1,
Gas detection module 2, video acquisition module 3, a key call for help module 4 and communication module 7 is connected with microprocessor 6, described fixed
Position module 1, for obtaining the positional information of vehicle and the positional information being sent into microprocessor 6；The gas detects mould
Block 2, for detecting harmful gas in vehicle and sending detection information to microprocessor 6；One key calls for help module 4, for when hair
One-touch distress call is carried out during raw emergency, and the warning information of distress call is sent to microprocessor 6；Micro- place
Device 6 is managed, for being handled detection information and judging whether the detection information reaches detection threshold value, when reaching detection threshold value
When trigger video acquisition module 3 carry out video acquisition, or when receiving the warning information trigger video acquisition module 3 enter
Row video acquisition, and the video of collection and current location information are sent to public security system center by wireless communication module 7.
Wherein, microprocessor 6 is arm processor in the embodiment of the present invention, runs Embedded Linux System, includes video
Coding, COBBAIF (being connected with intercommunication module), USB interface (being connected with communication module), UART interface (connect with locating module
Connect), I2C interface (being connected with gas detection module), general purpose I/O (calling for help module with a key to be connected), video interface (adopts with video
Collect module connection), additionally including some satellite interfaces, such as connection memory (being used to store parameter), SD card (is used to store
Video) etc.；Communication module 7 can be the communication mode such as WIFI, 3G, 4G, during using WIFI, directly connect with onboard wireless LAN
Connect, be connected by vehicle-carrying communication link with public security system center；During using 3G/4G, directly it can be connected with public security system center；
D GPS locating module internal support GPS, Big Dipper double locating system, primary positioning time are less than 30 seconds, 2.5 meters of positioning precision, tested the speed
Precision 0.1m/s, it is connected by UART interface with microprocessor 6, and the positional information for responding public security system center obtains request；
Voice talk module 5, comprising microphone, loudspeaker, audio encoding chip, echo cancellor chip, several parts of the above are in microprocessor
Under device 6 manages, it is possible to achieve carry out real-time voice intercommunication, sound clarity echoless with public security system center；One key calls for help module 4
It is made up of a mechanical key, alarm signal is received by microprocessor 6 and is delivered to public security system center, while the button is also
It can ask to carry out intercommunication, it is necessary to which public security system center answer can just carry out intercommunication with public security system center.Public security system center
Intercommunication can be actively opened under without solicited status, pass through speaker.
The communication module 7 can also be communicated with mobile portable devices, and phase is installed in Mobile portable formula equipment
The APP applications answered, when gas detection module 2 detects pernicious gas, the microprocessor 6 pushes away to APP applications in real time
Censorship measurement information, such as when the pernicious gas detected is carbon monoxide, when its concentration is 25ppm, then pushed to APP applications
Present harmful gas is carbon monoxide, and its concentration is 25ppm, when concentration threshold of the concentration more than setting, such as during 50ppm, then
Alarm is sent, alarm can be that the modes such as sound, light carry out alarm；Wherein, the energy of gas detection module 2 built in the microprocessor 6
The corresponding detection threshold value of pernicious gas enough detected, every kind of pernicious gas are corresponding with different detection threshold values.
The monitoring system can also include display module, and the display module is connected with microprocessor 6, the microprocessor
Device 6 pushes detection information to the display module in real time, and shows corresponding pernicious gas detection threshold value simultaneously, once reach inspection
Threshold value is surveyed, then sends alarm, this kind of alarm can be the color on the display screen for change display module.
In addition, the gas detection module 2 includes harmful gas sensor, air-blast device and air guide device, it is described
Air guide device is arranged between harmful gas sensor and air-blast device；The harmful gas sensor is used to detect in-car
Pernicious gas；The air-blast device is used to accelerate in-car air circulation and the air of circulation is blasted into the air guide device；
The air guide device is used to the air of circulation importing the harmful gas sensor；The air intake of the air guide device
The air outlet of mouth and air-blast device is oppositely arranged, and the air outlet of the air guide device is relative with harmful gas sensor to be set
Put, the air of circulation directly can be directed at harmful gas sensor by this kind of set-up mode, and then detect pernicious gas in time.
In the embodiment of the present invention harmful gas sensor have one or more, when for one when, harmful gas sensor can integrate
The sensitive material sensitive to multiple gases, now, it is desirable to which harmful gas sensor is all non-to the accuracy of detection of various pernicious gases
Chang Gao；When for it is multiple when, the sensitive harmful gas sensor of paired gas with various can be collected, each sensor can be only to one kind
Or the sensitivity of few several species of gasses is very high, and test limit is low.
The video acquisition module 3 includes one or more in ultra-low illumination video camera, infrared lamp and light compensating lamp, wherein,
Ultra-low illumination video camera can have cmos image sensor, visible ray infrared light optical-filter switcher, light sensor etc.,
Under the management of microprocessor 6, video is gathered, and judged according to ambient light change and light sensor, it is determined whether open
LED visible light or infrared light light filling lamp are opened or closed, while is switched to visible or infrared light optical filter, to realize more preferable day
Night vision yupin effect.
The monitoring system also includes memory module, and the memory module is used for the video and positional information for storing collection.
Correspondingly, it is corresponding with the technical characteristic of apparatus of the present invention, as shown in Fig. 2 present invention also offers a kind of vehicle-mounted
Intelligent and safe monitoring method, comprises the following steps：
S1, detection harmful gas in vehicle obtain detection information or carry out one-touch distress call when emergency occurs
And obtain the positional information of vehicle；
S2, judge whether the detection information reaches detection threshold value, carried out when the detection information reaches detection threshold value
Video acquisition carries out video acquisition in one-touch distress call；
S3, the video of collection and positional information be sent to public security system center.
S4, speech talkback is carried out when the detection information reaches detection threshold value or in one-touch distress call.
More specifically, vehicle intelligent safety monitoring method of the invention, comprises the following steps：
S1, start microprocessor, initialization gas detection module, video acquisition module, communication module, locating module, language
Sound intercommunication module, a key call for help module, each module is entered normal operating conditions.
S2：Gas detection module has detected volatile danger leakage, and detection information, the gas are sent to microprocessor
Body detection module can accurately detect the concentration of volatile gas, and be equipped with air-blast device and air flow guiding device, can be effective
Promotion system surrounding air circulates, and is advantageous to harmful gas sensor accurate judgement danger species；In addition, gas detection module
What is be able to detect that is not only combustible, can also be poisonous volatile matter.
S3：Microprocessor is handled after receiving the detection information, judges whether the detection information reaches detection threshold
Value, when the detection information reaches detection threshold value, is converted to warning information, and the warning information is transmitted by the detection information
To video acquisition module, the video acquisition module carries out video record.
S4：Microprocessor obtains the positional information of locating module, and public security system center is reported by wireless communication module.
S5：Public security system obtains real-time high-definition video, opens voice pair centrally through the connection of wireless communication module suggestion
Say, conversed with occupant.
S6：When occupant's discovery is dangerous needs SOS, the button that next key calls for help module is pressed.
S7：Microprocessor receives the warning message that a key calls for help module, and triggering video acquisition module carries out video record.Afterwards
It is continuous identical with S4 and S5.
The vehicle intelligent safety monitoring system and method for the present invention, has the advantages that：
1st, gas detection module of the invention has air-blast device and air guide device, can effectively facilitate surrounding air
Circulation, is advantageous to harmful gas sensor and is accurately detected the parameters such as pernicious gas species concentration corresponding with its.
2nd, video acquisition module of the invention uses ultra-low illumination video camera, in the case where vehicle interior closes illumination,
Video monitoring can be clearly carried out by faint ambient light, the in-car details occurred is recorded, in the weak situation of environment auroral poles
It is lower to carry out light filling using infrared lights light compensating lamp, definition of the video under no ambient light is improved, record in-car occurs thin
Section.
3rd, the voice talk module in the present invention has echo cancelling device, and the echo that can eliminate two-way voice talkback is done
Disturb so that two-way voice talkback is apparent.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (4)
1. a kind of vehicle intelligent safety monitoring system, it is characterised in that the system includes locating module (1), gas detection mould
Block (2), video acquisition module (3), communication module (7) and microprocessor (6), the locating module (1), gas detection module
(2), video acquisition module (3) and communication module (7) are connected with microprocessor (6), and the microprocessor (6) passes through the mould that communicates
Block (7) is communicated with public security system center；
The locating module (1), for obtaining the positional information of vehicle and the positional information being sent into microprocessor (6)；
The gas detection module (2), for detecting harmful gas in vehicle and sending detection information to microprocessor (6)；Micro- place
Device (6) is managed, for being handled detection information and judging whether the detection information reaches detection threshold value, when reaching detection threshold
Video acquisition module (3) is triggered during value and carries out video acquisition, and the video of collection and current location information are passed through into communication module
(7) it is sent to public security system center；
The gas detection module (2) includes harmful gas sensor, air-blast device and air guide device, the air conducting
Device is arranged between harmful gas sensor and air-blast device；The harmful gas sensor is used to detect in-car harmful gas
Body；The air-blast device is used to accelerate in-car air circulation and the air of circulation is blasted into the air guide device；The sky
Gas guiding device is used to the air of circulation importing the harmful gas sensor；The air inlet and drum of the air guide device
The air outlet of wind apparatus is oppositely arranged, and air outlet and the harmful gas sensor of the air guide device are oppositely arranged, described
Harmful gas sensor is integrated with the harmful gas sensor sensitive to gas with various, and each harmful gas sensor is only to one kind
Or the high sensitivity of few several species of gasses, and test limit is low；
The video acquisition module (3) includes one or more in ultra-low illumination video camera, infrared lamp and light compensating lamp, described ultralow
Illumination video camera has cmos image sensor, visible ray infrared light optical-filter switcher and light sensor, in microprocessor
(6) under management, video is gathered, and judged according to ambient light change and light sensor, it is determined whether open or close
LED visible light or infrared light light filling lamp are closed, while is switched to visible or infrared light optical filter, to realize preferably day and night video
Effect.
2. vehicle intelligent safety monitoring system according to claim 1, it is characterised in that the monitoring system also includes one
Key calls for help module (4), and a key is called for help module (4) and is connected with microprocessor (6), for carrying out one when emergency occurs
Keyed distress call, and the warning information of distress call is sent to microprocessor (6)；
The microprocessor (6) is additionally operable to triggering video acquisition module (3) the progress video when receiving the warning information and adopted
Collection.
3. vehicle intelligent safety monitoring system according to claim 1, it is characterised in that the monitoring system also includes adopting
With the voice talk module (5) of double-directional speech technology, the voice talk module (5) includes echo cancelling device, the echo
Cancellation element is used for the echo interference for eliminating two-way voice talkback.
4. vehicle intelligent safety monitoring system according to claim 3, it is characterised in that the monitoring system also includes depositing
Module is stored up, the memory module is used for the video and positional information for storing collection.
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| CN107386824A (en) * | 2017-09-01 | 2017-11-24 | 东峡大通（北京）管理咨询有限公司 | Smart lock, vehicle, solar panel power supply state detecting system and method |
| CN107452203A (en) * | 2017-09-07 | 2017-12-08 | 安徽芯核防务装备技术股份有限公司 | Bus is seted on fire early warning and monitoring platform |
| CN107976989A (en) * | 2017-10-25 | 2018-05-01 | 中国第汽车股份有限公司 | Comprehensive vehicle intelligent safety monitoring system and monitoring method |
| CN107909844B (en) * | 2017-11-08 | 2021-05-07 | 广西南宁智翠科技咨询有限公司 | Portable handheld remote control vehicle searching device |
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| JPH08251082A (en) * | 1995-03-13 | 1996-09-27 | Sony Corp | Echo removing device |
| EP1269448B1 (en) * | 2000-03-14 | 2004-01-07 | I.T.Vision Solutions (Proprietary) Limited | Detecting the presence of a vehicle with a particular vehicle registration number |
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