CN107972581A - Opening door of vehicle warning system - Google Patents
Opening door of vehicle warning system Download PDFInfo
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- CN107972581A CN107972581A CN201610938124.3A CN201610938124A CN107972581A CN 107972581 A CN107972581 A CN 107972581A CN 201610938124 A CN201610938124 A CN 201610938124A CN 107972581 A CN107972581 A CN 107972581A
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- vehicle
- mobile object
- control module
- close
- distance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
- B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q5/00—Arrangement or adaptation of acoustic signal devices
- B60Q5/005—Arrangement or adaptation of acoustic signal devices automatically actuated
- B60Q5/006—Arrangement or adaptation of acoustic signal devices automatically actuated indicating risk of collision between vehicles or with pedestrians
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The present invention provides a kind of opening door of vehicle warning system, the system comprises：Vehicle-mounted millimeter wave radar, it is configured as：By launching millimeter-wave signal to vehicle periphery, and the millimeter-wave signal reflected by vehicle periphery object is received and handles, to detect distance of the mobile object of vehicle periphery away from vehicle and the speed close to vehicle；Control module, it is configured as：In response to detecting that car door will be opened, whether car door will be reached according to distance of the mobile object away from vehicle and close to the velocity estimated object of vehicle；And in response to judging that the mobile object will reach car door, export warning information.
Description
Technical field
The present invention relates to vehicular field, and in particular to a kind of opening door of vehicle warning system.
Background technology
When opening door of vehicle moment, the object that motorcycle, battery truck, bicycle etc. quickly move sometimes is had, due to riding
The person of multiplying does not see enabling or has little time to react and accidents occur.Currently existing scheme is to make occupant oneself logical mostly
Later visor judges, or the distance of object is monitored using ultrasonic radar, sends prompting, and auxiliary occupant is sentenced
It is disconnected.
For the scheme for allowing occupant oneself to judge by rearview mirror, it some times happens that occupant forgets to see when opening the door
Rearview mirror is examined, so as to cause the situation of accidents.
And had the following disadvantages using the scheme of ultrasonic radar auxiliary judgment：
1. ultrasonic wave directionality is poor, the angle of divergence is big, and resolving power is low, easily using the car in adjacent track as detected object, so that
Produce error prompting.
2. the reaction speed of ultrasonic wave is not fast enough, the spread speed of ultrasonic wave is the velocity of sound.If to such as battery truck, motor
The object measurement target range that car etc. quickly moves, hysteresis quality is big, possibly can not send prompting in time.
3. the decay of ultrasonic wave is relatively severe, so testing remote object can be relatively limited.If for example, to measure
Rapid moving object, such as the battery truck of speed per hour 60km/h, it is necessary to about start to detect at 50m, and common ultrasonic wave thunder
The detection range reached does not reach so far, therefore can not be detected and reminded in time.
4. ultrasonic radar is difficult the property of detecting objects body, object distance judgement, the standard so detected can only be carried out
True property and intelligent not high.
As it can be seen that there is a need in the art for a kind of improved opening door of vehicle warning system.
The content of the invention
According to an embodiment of the invention, there is provided a kind of opening door of vehicle warning system, including：Vehicle-mounted millimeter wave radar, its
It is configured as：By launching millimeter-wave signal to vehicle periphery, and receive and handle the millimeter reflected by vehicle periphery object
Ripple signal, to detect distance of the mobile object of vehicle periphery away from vehicle and the speed close to vehicle；Control module, it is configured
For：In response to detecting that car door will be opened, according to distance of the mobile object away from vehicle and the velocity estimated close to vehicle
Whether object will reach car door；And in response to judging that the mobile object will reach car door, export warning information.
Technical solution according to an embodiment of the invention one or more of has the following advantages that：
1. millimetre-wave radar, using frequency electromagnetic waves, wavelength is short, strong along straightline propagation penetration capacity, thus with compared with
Big detection range, and hardly influenced by weather and night.
2. the angle of scattering of millimetre-wave radar is small, detection range precision is high, and propagation rate is fast, therefore can improve the anti-of system
Speed is answered, is suitable for detection and alarm to rapid moving object, and reduce false alarm.
3. not only can directly measure the distance of target object, relative velocity and direction can also be directly measured, and sentence
Do not go out the property of object, can so improve the intelligence of system detectio, and accuracy, so as to more directly and accurate
Mode reminds people, and not only simply allows user blindly to hear alarm；System can also screen out many polices unnecessary
Report.
Brief description of the drawings
Fig. 1 shows a kind of structure diagram of exemplary on board millimetre-wave radar for use in the present invention；
Fig. 2 shows opening door of vehicle warning system according to an embodiment of the invention；
Fig. 3 schematically shows the scene of the virtual reality shown in the center display of vehicle or middle rearview mirror
Video；
Fig. 4 A schematically show mobile object that the front windshield in vehicle shows close to the pattern of vehicle and
The distance and velocity information of mobile object；And
Fig. 4 B schematically show the mobile object that is shown on the automobile door glass of vehicle close to the pattern of vehicle and
The distance and velocity information of mobile object.
Embodiment
The embodiment of the present invention is described with reference to the accompanying drawings.In the following description, numerous specific details are set forth so as to
Person of ordinary skill in the field is set to be appreciated more fully and realize the present invention.But to those of skill in the art
Member is it is evident that the present invention's realizes some that can not have in these details.It is however, it should be understood that of the invention
It is not limited to introduced specific embodiment.Conversely, it may be considered that with any combination of features described below and key element come
Implement the present invention, regardless of whether they are related to different embodiments.Therefore, aspect, feature, embodiment and advantage below is only
It is illustrative, and key element or the restriction of claim are not to be taken as, unless clearly proposing in the claims.
The present invention realizes opening door of vehicle alarm using vehicle-mounted millimeter wave radar.Millimetre-wave radar refers to be operated in millimeter wave
The radar of wave band, its to launch wavelength around about 1-10mm, frequency about in 30G-300GHz (gigahertz (GHZ)), there is certain wave
The electromagnetic wave of shape and modulation system, and calculate ambient by receiving and analyzing electromagnetic wave signal that surrounding objects reflect
Distance, direction, speed and size of body etc..According to the waveform of the electromagnetic wave of millimetre-wave radar transmission and modulation system and to anti-
The processing mode of signal is penetrated, millimetre-wave radar may include the classes such as mm pulse radar, frequency modulated continuous wave radar, spread spectrum radar
Type.
Fig. 1 shows a kind of structure diagram of exemplary on board millimetre-wave radar for use in the present invention.The vehicle-mounted milli
Metre wave radar 100 can be any kind of millimetre-wave radar.As shown in fig. 1, which can usually wrap
Include transmitting and receiving device 101, Radar Signal Processing module 102 and programmable controller 103.
The transmitting and receiving device 101 usually may include voltage controlled oscillator (VCO), transmitting antenna and reception antenna, put
Component or the circuits such as big device, power splitter, frequency mixer, it is used to producing and launching millimeter-wave signal, and receives by target object
The return signal reflected, and provide it to Radar Signal Processing module 102 and handled.
The signal processing module 102 usually can be achieved as digital signal processor (DSP), and may include miscellaneous part or
Circuit, it is used to handle the return signal from transmitting and receiving device 101, mainly reduces various interference, including
Noise, clutter, the motion compensation etc. of object.In addition, the signal processing module 102 can be also used for being calculated according to return signal
The distance and translational speed of target object.
Specifically, distance of the target object away from radar can be calculated according to the following formula：
R=C*Tr/ 2,
Wherein, R represents distance of the target object away from radar, and C represents the light velocity, TrRepresent return signal relative to transmitting signal
Time delay.
According to the Doppler effect of electromagnetic wave, when radar signal runs into mobile target object, frequency return signal meeting
The respective change according to the translational speed of target object.For the target object towards radar movable, the frequency of return signal
Rate can accordingly increase；And for the target object away from radar movable, the frequency of return signal can accordingly reduce.Therefore,
Translational speed of the target object relative to radar can be calculated relative to the frequency change of transmitting signal according to return signal, its
Formula is:
Vr=C*fd/2*f0,
Wherein, VrFor the translational speed of target object, C is the light velocity, fdFrequency for return signal relative to transmitting signal
Difference, f0To launch the frequency of signal.
The programmable controller 103 can by microcontroller (MCU), field programmable gate array (FPGA) or any other
Programmable processing unit realizes, its can be used for by return signal is carried out signature analysis obtained from return signal target and its
The parameters such as partial effective scattering area (RCS), are identified according to the parameters on target object such as effective scattering area.Such as ability
Known to field technique personnel, size, planform, material and radar wavelength of RCS and target object etc. are related, and target object leads to
The synthesis of a variety of basic geometries can often be regarded as, different target objects has the combination of different RCS values.Therefore, lead to
The combination that processing return signal obtains the RCS values of target object is crossed, target object can be identified.Specifically, mesh is calculated
The formula of the RCS of mark object or part thereof is：
Wherein, PrFor the power of return signal, PtTo launch the power of signal, R is distance of the target object away from radar, and λ is
Signal wavelength, G are radar gain, LrFor loss factor, σ is the RCS of target object.
By calculating the parameter such as target object and its partial RCS, and by it with the various objects that are stored in database and
The parameters such as the RCS of its part are compared, it is possible to which target object is identified.The various objects stored in the database
And its parameter such as partial RCS can be detected and obtained for various objects using the vehicle-mounted millimeter wave radar in advance
's.
The advantages of vehicle-mounted millimeter wave radar, includes：From the influence at weather condition and night, and can detect farther out
The object of distance (such as more than 100 meters)；Angle of scattering is smaller, therefore can detect direction of the object relative to vehicle；Can be with
The property of object is judged, so that object be identified.
It should be noted that the only vehicle-mounted millimeter wave radar of embodiment for use in the present invention of above description and diagram
Topology example, rather than the limitation to vehicle-mounted millimeter wave radar for use in the present invention.The car of embodiment for use in the present invention
Other structures or feature can be had by carrying millimetre-wave radar, such as including more, less or different component or circuit, be had not
Same working mechanism etc..
Referring now to Fig. 2, it illustrates opening door of vehicle warning system 200 according to an embodiment of the invention.Such as institute in Fig. 1
Show, which includes：Vehicle-mounted millimeter wave radar 100, it is configured as：By launching to vehicle periphery
Millimeter-wave signal, and the millimeter-wave signal reflected by vehicle periphery object is received and handles, to detect the movement of vehicle periphery
Distance of the object away from vehicle and the speed close to vehicle；Control module 201, it is configured as：In response to detecting that car door will
Open, whether will be reached according to distance of the mobile object away from vehicle and close to mobile object described in the velocity estimated of vehicle
Car door；And in response to judging that mobile object will reach car door, export warning information.
The embodiment of the present invention carries out the detection of vehicle periphery mobile object as a result of millimetre-wave radar, therefore has
Detection range is remote, accuracy of detection and accuracy are high, reflection speed is fast, the influence from weather and night and can be to motive objects
The advantages that body is identified.
The vehicle-mounted millimeter wave radar 100 can also may be used as shown in fig. 1 with vehicle-mounted millimeter wave radar described above
To be the vehicle-mounted millimeter wave radar of other structures or type.The vehicle-mounted millimeter wave radar 100 can have one or more, and
It may be mounted at the appropriate locations such as the top of vehicle, afterbody, sidepiece.The vehicle-mounted millimeter wave radar 100 can be existing car
Millimetre-wave radar is carried, or can be the improved vehicle-mounted millimeter wave radar on the basis of existing vehicle-mounted millimeter wave radar,
Or can also be the vehicle-mounted millimeter wave radar of redesign and manufacture.
In certain embodiments, the vehicle-mounted millimeter wave radar 100 passes through vehicle bus, special circuit etc. and the control
Module 201 is connected, so as to receive instruction etc., such as enabled instruction from control module 201, and can be to the control module
201 send the information such as the position, direction, translational speed on detected mobile object.
In certain embodiments, the vehicle-mounted millimeter wave radar 100 can receive the startup from control module 201
Start after instruction and vehicle periphery object is detected.The control module 201 can be being detected (such as by following cars
Body control unit) car door sends the enabled instruction when will open to the vehicle-mounted millimeter wave radar 100.In other implementations
In example, the vehicle-mounted millimeter wave radar 100 can start after vehicle start-up, so as to sustainably be carried out to vehicle periphery object
Detection.
In certain embodiments, the vehicle-mounted millimeter wave radar 100 can be further by handling by vehicle periphery object
Mobile object is identified in the millimeter-wave signal of reflection；Correspondingly, the control module 201, which can be exported further, is known
The information of other mobile object.
Specifically, for example, the vehicle-mounted millimeter wave radar 100 can be by by for the radar detection data of mobile object
The radar detection data of variety classes object with being stored in database is compared to that mobile object is identified.
The database is for example storable in what is be connected with the vehicle-mounted millimeter wave radar 100 or the control module 201
In memory.For example, can in advance using the vehicle-mounted millimeter wave radar 100 for such as motorcycle, battery truck, bicycle,
The various movements such as automobile, pedestrian, wall, pillar and stationary object are tested, and obtain corresponding radar detection data, i.e., by pair
The millimeter-wave signal that the object returns carries out corresponding analysis and processing, obtains the return of the property and feature that reflect the object
The parameters such as the RCS of signal, so as to form the database of the radar detection data of the variety classes object.
In this manner it is possible to by by the radar detection data of the mobile object of current detection (for example, current return signal
RCS) compared with the radar detection data (RCS of the return signal of variety classes object) stored in database, to identify
Which kind of object the mobile object of current detection is.
The control module 201 can have adequate information disposal ability by microprocessor, microcontroller etc. are any
Processing unit realize.The processing unit usually may include memory or be connected with memory, be deposited in the memory
Contain for being configured such that it performs the software program and data of corresponding operating to processing unit, the processing unit can lead to
Cross in load store device the program stored and data perform its operation.In further embodiments, the control module 201 can be with
Integrated with the vehicle-mounted millimeter wave radar 100, such as be integrated in vehicle-mounted millimeter wave radar 100 PLC technology of itself
In device.The control module 201 can be implemented as a vehicle-mounted electronic control unit (ECU) in yet other embodiments, it can lead to
Vehicle bus is crossed to communicate with the vehicle-mounted millimeter wave radar 100.
In certain embodiments, the control module 201 can be connected with vehicle bus (for example, CAN bus), so as to
To communicate with other onboard systems.For example, the control module 201 can be received by vehicle bus comes from Body Control
The signal that the car door of unit will be opened.The contact that the vehicle body control unit can for example include being installed at door handle passes
Sensor, in this way, when occupant rotates door handle door opening, the feeler produces corresponding sense signal, so that
Vehicle body control unit can produce the signal that corresponding car door will be opened, and send it to vehicle bus, so as to by described
Control module 201 receives.
In certain embodiments, the control module 201 can be according to from the vehicle-mounted millimeter wave radar 100
Distance of the mobile object away from vehicle and time up to vehicle is anticipated to calculate the mobile object close to the speed of vehicle, and can
With the moving direction with reference to the mobile object from the vehicle-mounted millimeter wave radar 100, to judge that the mobile object is
It is no to reach car door.If for example, the time that the mobile object calculated is anticipated up to vehicle is less than a predetermined threshold
(such as 5 seconds), and then may determine that described on the extended line of the moving direction of the mobile object during vehicle opening
Mobile object will reach car door, i.e. mobile object will bump against with car door.At this time, the control module 201 can export police
Notify breath, to remind occupant.
In certain embodiments, the control module 201 can be by the vehicle bus by caused warning information
Be output in the center display of vehicle, middle rearview mirror, head-up-display system, instrument board, loudspeaker any one or it is more
It is a.
In certain embodiments, the control module 201 for being configured as output warning information is configured to：Base
It is raw in distance of the mobile object detected away from vehicle and the speed close to vehicle, and the property of the mobile object identified
Into virtual scene video, wherein virtual scene rabbit virtual scene of the mobile object close to the vehicle；
And the virtual scene video is output to the center display of vehicle by vehicle bus or middle rearview mirror is shown.
For example, the structure virtual scene can be previously stored in the memory being connected with the control module 201
Needed for video on the environmental element such as all kinds of movements and stationary object, the vehicle and road, building image and regard
Frequency element.The control module 201 is receiving distance of the mobile object from the millimetre-wave radar 100 away from vehicle and is connecing
After the information of the speed of nearly vehicle and the property of the mobile object identified, it can be obtained from the memory on institute
The mobile object species of identification and its image and video elementary of environmental element, using described image and video elementary and according to institute
State distance of the mobile object away from vehicle and the speed generation virtual scene video close to vehicle.The virtual scene video can be with class
The mobile object in reality is similar to close to the scene of vehicle, such as it can be included with the distance and with the translational speed
The image and video of the mobile mobile object, the vehicle and surrounding environment (such as road, building).
Carried out by the way that the virtual scene video is output in center display or middle rearview mirror (intelligent back vision mirror)
It has been shown that, can more intuitively remind the mobile object of occupant's vehicle periphery, so as to be effectively prevented from risk of collision.Fig. 3 shows
Show the virtual scene video shown at the center display of vehicle to meaning property, exist wherein having reproduced the motorcycle after vehicle
With specific speed constantly close to the scene of vehicle on road.
In further embodiments, the control module 201 for being configured as output warning information is configured to：
By distance of the mobile object detected away from vehicle and close to the velocity information of vehicle and the property of the mobile object identified
Information is output to vehicle-mounted head-up-display system by vehicle bus so that front windshield of the vehicle-mounted head-up-display system in vehicle
Show the mobile object close to the distance and velocity information of the pattern of vehicle, and mobile object on glass or automobile door glass.
As known to persons skilled in the art, vehicle-mounted head-up-display system generally includes image generation unit and projection is single
Member, and it is used as transparent projection display screen by the use of the front windshield or automobile door glass of vehicle.Image generation unit generation
Image is projected by projecting cell and shown on front windshield or automobile door glass, in this way, occupant need not bow just
Shown image and the actual scenery of front side or side can be seen at the same time.
The embodiment of the present invention shows movement by using vehicle-mounted head-up-display system on windshield or automobile door glass
The pattern of object proximity vehicle and the distance of mobile object and velocity information, the mobile object close to vehicle pattern for example
Can be in the form of animation show mobile object constantly to the close pattern of vehicle, so can more observably remind vehicle occupant
Member, so as to be effectively prevented from risk of collision.Fig. 4 A schematically show the motive objects shown on the front windshield of vehicle
Body is close to the pattern of vehicle and the distance and velocity information of mobile object；Fig. 4 B schematically show the car door glass in vehicle
The mobile object shown on glass is close to the pattern of vehicle and the distance and velocity information of mobile object.
In a further embodiment, the control module 201 for being configured as output warning information is further configured
For：By distance of the mobile object detected away from vehicle and the velocity information close to vehicle and the car door body that will be opened
Part information is output to vehicle-mounted head-up-display system by vehicle bus so that the vehicle-mounted head-up-display system will be beaten described
Show the mobile object close to the pattern of vehicle, and the distance of mobile object and speed letter on the automobile door glass for the car door opened
Breath.For example, if control module 201 knows that the left front door of vehicle will be opened by vehicle bus and vehicle body control unit,
So that the vehicle-mounted head-up-display system shown on the automobile door glass of left front door the mobile object close to vehicle pattern with
And the distance and velocity information of mobile object；If control module 201 knows vehicle by vehicle bus and vehicle body control unit
Right-rear-door will open, then so that the vehicle-mounted head-up-display system motive objects are shown on the automobile door glass of right-rear-door
Body is close to the pattern of vehicle and the distance of mobile object and velocity information, etc..In this way, when occupant wants to open some
When car door is got off, shown information can be more easily seen from the glass for vehicle window of the car door, so as to be effectively prevented from touching
Hit risk.
In certain embodiments, the control module 201 for being configured as output warning information is configured to：Will
Distance of the mobile object detected away from vehicle and meter panel of motor vehicle is output to by vehicle bus close to the velocity information of vehicle,
So that the meter panel of motor vehicle shows the mobile object close to the distance and speed of the alert icon of vehicle, and mobile object
Information.By by the mobile object close to the simple information such as the alert icon of vehicle and the distance of mobile object and velocity information
It is shown on meter panel of motor vehicle, the instrument board being equipped with most vehicle can be utilized, so as to be achieved at low cost to in-car
The warning of personnel.
In certain embodiments, the control module 201 for being configured as output warning information is configured to：Root
The time at mobile object arrival car door is calculated according to distance of the mobile object away from vehicle and close to the speed of vehicle；And in response to
The time of the calculating is less than or equal to threshold value, exports enabling signal to horn for vehicle by vehicle bus so that horn for vehicle
Sound the alarm.
The threshold value can be that system or user are pre-set.For example, the threshold value could be provided as 3 seconds, in this way, such as
The time that fruit control module 201 calculates mobile object arrival car door is less than 3 seconds, then can be exported to horn for vehicle and start letter
Number so that horn for vehicle sounds the alarm, so that stronger alarm is sent to occupant, more effectively to avoid bumping against wind
Danger.
Technical characteristic in the various embodiments described above of the present invention can be combined in a suitable manner.It is for example, described in vehicle
Center display or middle rearview mirror in show the technical characteristic, described in vehicle-mounted head-up-display system of the information warning
The technical characteristic and/or the technical characteristic that the information warning is shown in instrument board for showing the information warning can
To be combined with the technical characteristic to be sounded the alarm by horn for vehicle.For example, when the motive objects of the control module 201 calculating
, can be first behind center display, centre when body anticipates that the time up to vehicle is less than larger first threshold (such as 5 seconds)
Information warning is shown in visor, head-up-display system or instrument board；And when the mobile object that the control module 201 calculates is expected
When the time of arrival vehicle is less than less second threshold (such as 3 seconds), it can be sounded the alarm by horn for vehicle, to remind
The collision risk of occupant's bigger.
, can be with when 201 judgment object of control module will reach car door in addition, in some embodiments of the invention
The instruction of locked car door is further sent to vehicle body control unit, more efficiently to avoid bumping against risk.The Body Control
Unit after the scheduled time or can receive unlock instruction that occupant sends (for example, passing through vehicle centre console
Etc. specific button send releasing instruction) after, car door is unlocked.
Opening door of vehicle warning system according to an embodiment of the invention is described above by reference to attached drawing, it is noted that with
Upper description is merely illustrative, rather than limitation of the present invention.In other embodiments of the invention, the system can have it is more,
Less or different module, and connection between each module, include and the relation such as function can be with described and diagram difference.
For example, in certain embodiments, the vehicle-mounted millimeter wave radar 100 and the control module 201 can be integrated into individual module.Again
For example, in certain embodiments, the partial function in the control module 201 can be completed by single component, such as institute
State generation and show that the function of virtual scene video can be completed by a single virtual reality module.In another example at some
In embodiment, the opening door of vehicle warning system 200 may also include the vehicle body control unit, center display, middle backsight
Any one or more in mirror, head-up-display system, instrument board, horn for vehicle, or may also include the aobvious of the system-specific
Show device or loudspeaker, etc..It is all these to change within all in the scope of the present invention.
Although above by reference to the attached drawing embodiment that the invention has been described, it will be appreciated by those skilled in the art that above description
It is merely illustrative, rather than limitation of the present invention.Various modifications and deformation can be carried out to the embodiment of the present invention, and still fallen within
Within the spirit and scope of the present invention, the scope of the present invention is only determined by the appended claims.
Claims (10)
1. a kind of opening door of vehicle warning system, including：
Vehicle-mounted millimeter wave radar, it is configured as：By launching millimeter-wave signal to vehicle periphery, and receive and handle by car
The millimeter-wave signal of surrounding objects reflection, to detect distance of the mobile object of vehicle periphery away from vehicle and the speed close to vehicle
Degree；
Control module, it is configured as：
In response to detecting that car door will be opened, according to distance of the mobile object away from vehicle and the velocity estimated close to vehicle
Whether object will reach car door；And
In response to judging that the mobile object will reach car door, warning information is exported.
2. system according to claim 1, wherein, the control module is connected with vehicle bus, and described is configured
It is configured to export the control module of warning information：
By the vehicle bus by warning information be output to the center display of vehicle, middle rearview mirror, head-up-display system,
Any one or more in instrument board, loudspeaker.
3. system according to claim 2, wherein,
The vehicle-mounted millimeter wave radar is configured to：
Mobile object is identified by handling the millimeter-wave signal reflected by vehicle periphery object；And
The control module is configured to：
The information of the identified mobile object of output.
4. system according to claim 3, wherein, the vehicle-mounted millimeter wave for being configured as that mobile object is identified
Radar is configured to：
By by for the detections of radar number of the variety classes object stored in the radar detection data of mobile object and database
According to being compared to that mobile object is identified.
5. system according to claim 3, wherein, the control module for being configured as output warning information further by
It is configured to：
Property based on distance of the mobile object detected away from vehicle and the speed close to vehicle, and the mobile object identified
Matter, generates virtual scene video, wherein the virtual scene rabbit mobile object is close to the virtual of the vehicle
Scene；And
The virtual scene video is output to the center display of vehicle by vehicle bus or middle rearview mirror is shown.
6. system according to claim 3, wherein, the control module for being configured as output warning information further by
It is configured to：
By distance of the mobile object detected away from vehicle and the velocity information close to vehicle and the mobile object that is identified
Property information is output to vehicle-mounted head-up-display system by vehicle bus so that the vehicle-mounted head-up-display system is before vehicle
Show the mobile object close to the pattern of vehicle, and the distance of mobile object and speed letter on windshield or automobile door glass
Breath.
7. system according to claim 6, wherein, the control module for being configured as output warning information further by
It is configured to：
By distance of the mobile object detected away from vehicle and the velocity information close to vehicle and the car door that will be opened
Identity information is output to vehicle-mounted head-up-display system by vehicle bus so that the vehicle-mounted head-up-display system it is described will
Show the mobile object close to the distance and speed of the pattern of vehicle, and mobile object on the automobile door glass of the car door of opening
Information.
8. system according to claim 3, wherein, the control module for being configured as output warning information further by
It is configured to：
Distance of the mobile object detected away from vehicle and the velocity information close to vehicle are output to vehicle by vehicle bus
Instrument board so that the meter panel of motor vehicle shows the mobile object close to the alert icon of vehicle, and mobile object away from
From and velocity information.
9. system according to claim 3, wherein, the control module for being configured as output warning information further by
It is configured to：
The time at mobile object arrival car door is calculated according to distance of the mobile object away from vehicle and close to the speed of vehicle；And
It is less than or equal to threshold value in response to the time of the calculating, enabling signal is exported to horn for vehicle by vehicle bus, is made
Horn for vehicle is obtained to sound the alarm.
10. system according to claim 1, wherein, the control module is additionally configured to：
In response to judging that the mobile object will reach car door, the instruction of locked car door is sent to vehicle body control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610938124.3A CN107972581A (en) | 2016-10-25 | 2016-10-25 | Opening door of vehicle warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610938124.3A CN107972581A (en) | 2016-10-25 | 2016-10-25 | Opening door of vehicle warning system |
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| Publication Number | Publication Date |
|---|---|
| CN107972581A true CN107972581A (en) | 2018-05-01 |
Family
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| CN201610938124.3A Pending CN107972581A (en) | 2016-10-25 | 2016-10-25 | Opening door of vehicle warning system |
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| CN111546983A (en) * | 2019-02-12 | 2020-08-18 | 上汽通用汽车有限公司 | Vehicle door opening control system and method |
| CN111942291A (en) * | 2020-08-13 | 2020-11-17 | 广东远峰汽车电子有限公司 | Distance indication method and system for streaming media rearview mirror |
| CN112576117A (en) * | 2020-12-11 | 2021-03-30 | 大陆投资(中国)有限公司 | Method for preventing a vehicle door collision and vehicle-mounted system |
| CN113247024A (en) * | 2021-06-21 | 2021-08-13 | 北京宏锐星通科技有限公司 | Non-contact type vehicle door anti-pinch alarm device based on millimeter wave detection |
| CN113978358A (en) * | 2021-10-29 | 2022-01-28 | 深圳市爱深盈通信息技术有限公司 | Automobile door opening early warning method and system |
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