CN104139730A - Vehicle ranging warning device - Google Patents
Vehicle ranging warning device Download PDFInfo
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- CN104139730A CN104139730A CN201310169275.3A CN201310169275A CN104139730A CN 104139730 A CN104139730 A CN 104139730A CN 201310169275 A CN201310169275 A CN 201310169275A CN 104139730 A CN104139730 A CN 104139730A
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- Prior art keywords
- controller
- vehicle
- mouth
- external object
- input end
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Classifications
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/86—Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
- G01S13/862—Combination of radar systems with sonar systems
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9315—Monitoring blind spots
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9327—Sensor installation details
- G01S2013/93274—Sensor installation details on the side of the vehicles
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
- G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2015/937—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details
- G01S2015/938—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details in the bumper area
Abstract
The invention discloses a vehicle ranging warning device which comprises an ultrasonic ranging unit, a microwave ranging unit, an alarm and a controller. When detecting that external objects exist near a vehicle, the ultrasonic ranging unit and the microwave ranging unit respectively generate ultrasonic ranging signals and microwave ranging signals; when receiving the ranging signals form any one of the ranging units, the controller drives the alarm to raise the alarm so as to improve alertness of a driver and guarantee driving safety.
Description
Technical field
The invention relates to a kind of alarming device, refer to especially vehicle range finding alarming device.
Background technology
Automobile is the one vehicle easily, and automobile is mostly equipped with reversing alarm device at present, and reversing alarm device consists predominantly of at least one super sonic sensor, a siren horn and a controller.
Described super sonic sensor is arranged on the rear of automobile, and launches a ultrasonic testing signals of fixed frequency (for example 40KHz-60KHz), after ultrasonic testing signals is encountered external object (as pedestrian or other vehicles etc.), can form echoed signal.Described siren horn can be for being arranged in operator's saddle.
Described controller is electrically connected described super sonic sensor and siren horn, and controller is preset with a threshold distance.Described controller is to extrapolate the distance between automobile and external object according to the time difference of ultrasonic testing signals and echoed signal.When controller is judged distance between automobile and external object lower than described threshold distance, represent the hypotelorism between automobile and external object, if continuing reversing, steerman probably causes traffic accident, therefore controller drives siren horn to give the alarm, remind by this steerman to note the road conditions at automobile rear, have an accident avoiding.
But, super sonic sensor is to belong to in-plant sensor, when propagating in air, ultrasonic energy can decay, therefore the detection range of super sonic sensor is usually less than 2 meters (rice), if therefore foreign objects position is beyond the detection range of super sonic sensor, described external object just cannot be detected by super sonic sensor.Thus, in the process of moveing backward at steerman, external object may fall into suddenly the detection range of super sonic sensor, makes described controller control suddenly siren horn and gives the alarm, if steerman reaction is too late, quite easily bumps against external object and cause traffic accident.
Summary of the invention
Main purpose of the present invention is to provide a kind of vehicle range finding alarming device, in order to overcome the too small shortcoming of its detection range of existing reversing alarm device.
Vehicle of the present invention range finding alarming device vehicle range finding alarming device is used for being arranged on a vehicle to detect an external object, it is characterized in that, described vehicle range finding alarming device includes:
One ultrasonic ranging unit, includes at least one super sonic sensor, when described super sonic sensor detects described external object, is to produce a ultrasonic ranging signal;
One tellurometer survey unit, when described tellurometer survey unit detects described external object, is to produce a tellurometer survey signal;
One siren horn; And
One controller, is electrically connected described ultrasonic ranging unit, tellurometer survey unit and described siren horn, when described controller receives distance measuring signal from arbitrary range cells, drives described siren horn to give the alarm.
In vehicle range finding alarming device as above, described ultrasonic ranging signal represents the distance between external object and vehicle; Described tellurometer survey signal represents the distance between external object and vehicle; Described controller receives ultrasonic ranging signal and tellurometer survey signal from ultrasonic ranging unit and tellurometer survey unit respectively, to compare the minimum value of described ultrasonic ranging signal and described tellurometer survey signal representative distance, and using described minimum value as a detection distance, judge described detection distance when controller and be equal to or less than a threshold distance, described controller drives described siren horn to give the alarm; Wherein, when controller only receives tellurometer survey signal and do not receive ultrasonic ranging signal, also drive described siren horn to give the alarm.
In vehicle range finding alarming device as above, described ultrasonic ranging unit includes multiple super sonic sensors, and described controller sequentially drives described multiple super sonic sensor sequentially to receive described ultrasonic ranging signal.
In vehicle range finding alarming device as above, described tellurometer survey unit includes a pulse generator, a radio freqneucy oscillator, a transmit-receive switch, an antenna, a DOPPLER connecting rod straightener and a detecter.Described pulse generator has an input end and a mouth, and its input end is electrically connected described controller.Described radio freqneucy oscillator has an input end, one first mouth and one second mouth, and described input end is electrically connected the mouth of described pulse generator.Described transmit-receive switch has an input end, a sending and receiving end and a mouth, and described input end is electrically connected the first mouth of described radio freqneucy oscillator.Described antenna electric connects the sending and receiving end of described transmit-receive switch.Described DOPPLER connecting rod straightener has a first input end, one second input end and a mouth, and described first input end is electrically connected described controller, and described the second input end is electrically connected the second mouth of described radio freqneucy oscillator.Described detecter has a first input end, one second input end and a mouth, described first input end is electrically connected the mouth of described transmit-receive switch to receive a detection voltage, described the second input end is electrically connected the mouth of described DOPPLER connecting rod straightener to receive a VREF (Voltage Reference), and described mouth is electrically connected described controller.Described controller receives described detection voltage and described VREF (Voltage Reference) from described detecter, to extrapolate described tellurometer survey signal according to the phase difference of described detection voltage and described VREF (Voltage Reference).
In vehicle range finding alarming device as above, between the mouth of described detecter and described controller, be connected with a waveform processor, described waveform processor is amplified and filtering described waveform processor.
In vehicle range finding alarming device as above, described controller drives a central controlled lock system of described vehicle to lock according to described tellurometer survey signal.
In vehicle range finding alarming device as above, described controller is judged the moving velocity of described external object according to described tellurometer survey signal, when the moving velocity of external object is equal to or higher than a threshold speed, central controlled lock system is locked described in described controller control.
In vehicle range finding alarming device as above, described controller is extrapolated the moving velocity of external object according to the phase difference of described detection voltage and described VREF (Voltage Reference), when the moving velocity of external object is equal to or higher than a threshold speed, central controlled lock system is locked described in described controller control.
In vehicle range finding alarming device as above, the moving velocity that described controller is judged external object is equal to or higher than described threshold speed, and described controller drives described siren horn to give the alarm.
Useful technique effect of the present invention is: have ultrasonic ranging unit and tellurometer survey unit simultaneously, by the in-plant external object of ultrasonic ranging unit inspection, by the remote external object of tellurometer survey unit inspection, therefore can allow steerman can effectively grasp rear view of vehicle closely with remote external object, guarantee driving safety.
Brief description of the drawings
Fig. 1 is the circuit module schematic diagram of the preferred embodiment of the present invention;
Fig. 2 is the schematic diagram that the preferred embodiment of the present invention is applied in vehicle;
Fig. 3 is the detailed circuit diagram of the preferred embodiment of the present invention;
Fig. 4 is the circuit module schematic diagram of tellurometer survey unit in the present invention;
Fig. 5 is the control flow chart of controller control central controlled lock system of the present invention.
Reference numeral
10 vehicle 21 ultrasonic ranging unit
210 super sonic sensor 22 tellurometer survey unit
221 pulse generator 222 radio freqneucy oscillators
223 transmit-receive switch 224 antennas
225 DOPPLER connecting rod straightener 226 detecters
227 waveform processor 23 siren hornes
24 controller 25 power subsystem units
30 central controlled lock systems
Detailed description of the invention
With the following drawings and preferred embodiments of the present invention, further set forth the technological means that the present invention takes for reaching predetermined goal of the invention.
Please refer to shown in Fig. 1 to Fig. 3, vehicle range finding alarming device of the present invention is arranged on a vehicle 10, described vehicle range finding alarming device includes a ultrasonic ranging unit 21, a tellurometer survey unit 22, a siren horn 23, a controller 24 and a power subsystem unit 25, and described power subsystem unit 25 is electrically connected described ultrasonic ranging unit 21, tellurometer survey unit 22, siren horn 23 and controller 24 so that operating voltage to be provided.
Described ultrasonic ranging unit 21 includes at least one super sonic sensor 210, and described super sonic sensor 210 can supply to be arranged on the tail end of vehicle 10, in order to the external object at senses vehicle 10 rears, and for example pedestrian or other vehicle.Described super sonic sensor 210 externally produces ultrasonic signals, and described ultrasonic signal is subject to forming echoed signal after the reflection of external object.Described super sonic sensor 210 is to detect echoed signal, and produces a ultrasonic ranging signal according to the time difference of echoed signal and ultrasonic signal and hypracoustic velocity of wave, and described ultrasonic ranging signal represents the distance between external object and vehicle 10.This preferred embodiment is taking multiple super sonic sensors 210 as example explanation.
Described tellurometer survey unit 22 can be for the left and right back mirror that is arranged on vehicle 10, with the external object at senses vehicle 10 rears, described tellurometer survey unit 22 produces a tellurometer survey signal according to the position of external object, and described tellurometer survey signal represents the distance between external object and vehicle 10.
Described siren horn 23 can be the buzzer phone, loudspeaker, indicator lamp or the telltale that are arranged on operator's saddle.
Described controller 24 includes multiple input ends and mouth, its input end is electrically connected respectively described ultrasonic ranging unit 21 and tellurometer survey unit 22, the mouth of controller 24 is electrically connected described siren horn 23, when described controller 24 receives distance measuring signal from arbitrary range cells 21,22, drive described siren horn 23 to give the alarm.In this preferred embodiment, described controller 24 is preset with a threshold distance and a threshold speed, described controller 24 is to judge the distance between vehicle and external object by described ultrasonic ranging signal and described tellurometer survey signal, to compare the minimum value of described ultrasonic ranging signal and described tellurometer survey signal representative distance, and using described minimum value as a detection distance, judge described detection distance when controller 24 and be equal to or less than described threshold distance, described controller 24 drives described siren horn 23 to give the alarm.In addition, even if there is no external object near vehicle but a vehicle distant place is to have external object, controller 24 only receives tellurometer survey signal and does not receive ultrasonic ranging signal, and now described controller 24 still drives described siren horn 23 to give the alarm.
According to structure of the present invention, described ultrasonic ranging unit 21 belongs to in-plant range cells, approximately 2 meters of its range finding distances, and described tellurometer survey unit 22 belongs to remote range cells, and its range finding distance reaches more than 2 meters.The present invention is the combination with tellurometer survey unit 22 by ultrasonic ranging unit 21, allow steerman can effectively grasp rear view of vehicle closely with remote external object.Taking reversing as example, in the time that steerman is moveed backward, if rear view of vehicle has pedestrian or extraneous vehicle, described controller 24 drives siren horn 23 to give the alarm, and pedestrian or the extraneous vehicle of notifying by this steerman to note rear are guaranteed the safety of driving a vehicle.
The annexation that below further illustrates described tellurometer survey unit 22 and controller 24, please refer to shown in Fig. 4, and described controller 24 includes one first mouth, one second mouth and an input end.Described tellurometer survey unit 22 includes a pulse generator 221, a radio freqneucy oscillator 222, a transmit-receive switch 223, an antenna 224, a DOPPLER connecting rod straightener 225 and a detecter 226, or further comprises a waveform processor 227.
Described pulse generator 221 has an input end and a mouth, and its input end is electrically connected the first mouth of described controller 24.Described radio freqneucy oscillator 222 has an input end, one first mouth and one second mouth, and described input end is electrically connected the mouth of described pulse generator 221.Described transmit-receive switch 223 has an input end, a sending and receiving end and a mouth, and its input end is electrically connected the first mouth of described radio freqneucy oscillator 222.Described antenna 224 is electrically connected the sending and receiving end of described transmit-receive switch 223.Described DOPPLER connecting rod straightener 225 has a first input end, one second input end and a mouth, described first input end is electrically connected the second mouth of described controller 24, and the second input end of described DOPPLER connecting rod straightener 225 is electrically connected the second mouth of described radio freqneucy oscillator 222.Described detecter 226 has a first input end, one second input end and a mouth, and described first input end is electrically connected the mouth of described transmit-receive switch 223, and the second input end of described detecter 226 is electrically connected the mouth of described DOPPLER connecting rod straightener 225.Described waveform processor 227 has an input end and a mouth, and its input end is electrically connected the mouth of described detecter 226, and the mouth of described waveform processor 227 is electrically connected the input end of described controller 24.
Described controller 24 is controlled described pulse generator 221 and is produced a microwave signal with radio freqneucy oscillator 222.Described transmit-receive switch 223 receives described microwave signal from described radio freqneucy oscillator 222, and according to described microwave signal via the external radiated electromagnetic wave of antenna 224.In the time that radio freqneucy oscillator 222 produces microwave signal, described DOPPLER connecting rod straightener 225 also receives microwave signal from described radio freqneucy oscillator 222, to produce a VREF (Voltage Reference) V according to described microwave signal
k, V
k=U
kcOS(ω
0t+ Ф
0).After electromagnetic wave is reflected by external object, described antenna 224 detects electromagnetic wave the corresponding detection voltage V that produces of reflection
r, V
r=U
rcOS(ω
0(t-t
r)+Ф
0), wherein t
rfor the turn-around time of electromagnetic wave from antenna 224 to external object.
Therefore described detecter 226 receives respectively and detects voltage V from described transmit-receive switch 223 and DOPPLER connecting rod straightener 225
rwith VREF (Voltage Reference) V
k, described detecter 226 is according to described detection voltage V
rwith VREF (Voltage Reference) V
kextrapolate described tellurometer survey signal V, V=V
0(1+mCOS Ф), m=V
r/ V
k, Ф is for detecting voltage V
rwith VREF (Voltage Reference) V
kphase difference.In the time that the distance between vehicle and external object is constant, phase difference Ф is constant, i.e. Ф=ω
0t
r=ω
0(2D
0/ c), wherein D
0for the distance between vehicle and external object, work as D
0cumulative, represent that external object, just away from vehicle, works as D
0successively decrease, represent that external object is just approaching vehicle, c is electromagnetic wave propagation speed.Distance between vehicle and external object is the time of change along with the time, and phase difference Ф also changes in time, i.e. Ф=ω
0t
r=ω
0[2(D
0-O
rt)/c], wherein O
rfor the relative velocity between vehicle and external object.
Described waveform processor 227 receives described tellurometer survey signal V from described controller 24, and will after described tellurometer survey signal V amplification and filtering, be sent to described controller 24, described controller 24 learns that according to tellurometer survey signal V external object is to approach vehicle or away from vehicle, and distance and relative velocity between vehicle and external object.Therefore in the time that described controller 24 is judged relative velocity between vehicle and external object and is exceeded described threshold speed, represent that external object is positive to approach vehicle at a high speed, described controller 24 drives described siren horn 23 to give the alarm and steps up vigilance for steerman.
Please refer to Fig. 5, described controller 24 also can further be electrically connected the central controlled lock system 30 of described vehicle.Whether the handle that first described controller 24 detects car door is pulled (101), when the handle of car door when pulled, represent that steerman or passenger will open the door to get off, now described controller 24 judges the distance B between vehicle and external object
0whether lower than described threshold distance B
th(102), work as D
0<D
th, represent that external object too approaches vehicle, described controller 24 drives siren horn 23(103 at once), and control central controlled lock system 30 to car door lock (104); Work as D
0>D
th, described controller 24 judges relative velocity O according to phase difference Ф
rwhether exceed described threshold speed O
th(105), work as O
r>O
th, represent that external object is just to approach vehicle at a high speed, described controller 24 drives siren horn 23(103 at once), and control central controlled lock system 30 car door is locked (104), work as O
0<O
th, representing that rear view of vehicle is safe from danger, described controller 24 allows central controlled lock system 30 releases (106), allows steerman or the passenger can smooth opening car door and get off.
Detect in the step whether handle of car door be pulled in controller 24, when the handle of car door not when pulled, represent that vehicle may be also in the middle of advancing, in order more to guarantee safety, described controller 24 still judges the distance B between vehicle and external object
0whether lower than described threshold distance B
th(107), if D
0<D
th, described controller 24 is directly controlled central controlled lock system 30 lock (104); If D
0>D
th, described controller 24 further judges relative velocity O
rwhether exceed described threshold speed O
th(108).In (108) step, if O
0>O
th, described controller 24 is directly controlled central controlled lock system 30 and is locked (104), if O
0<O
th, 24 of described controllers are replied and are carried out (101) step.
Thus, no matter be that steerman or passenger will open before car door in vehicle, if there is external object, for example, when extraneous automobile or locomotive are near vehicle of the present invention, described controller 24 makes central controlled lock system 30 lock, allow steerman or passenger cannot open car door, thus when opening car door, steerman or passenger bump against extraneous vehicle or locomotive, and can effectively prevent unexpected generation.
The above is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention, relevant technical staff in the field, not departing from the scope of the claims in the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from the claims in the present invention, any simple modification of above embodiment being done according to claim of the present invention, equivalent variations and modification, all still belong in the scope of the claims in the present invention book.
Claims (9)
1. a vehicle range finding alarming device, for being arranged on a vehicle to detect an external object, is characterized in that, described vehicle range finding alarming device includes:
One ultrasonic ranging unit, includes at least one super sonic sensor, when described super sonic sensor detects described external object, is to produce a ultrasonic ranging signal;
One tellurometer survey unit, when described tellurometer survey unit detects described external object, is to produce a tellurometer survey signal;
One siren horn; And
One controller, is electrically connected described ultrasonic ranging unit, tellurometer survey unit and described siren horn, when described controller receives distance measuring signal from arbitrary range cells, drives described siren horn to give the alarm.
2. vehicle range finding alarming device according to claim 1, is characterized in that:
Described ultrasonic ranging signal represents the distance between external object and vehicle;
Described tellurometer survey signal represents the distance between external object and vehicle;
Described controller receives ultrasonic ranging signal and tellurometer survey signal from ultrasonic ranging unit and tellurometer survey unit respectively, to compare the minimum value of described ultrasonic ranging signal and described tellurometer survey signal representative distance, and using described minimum value as a detection distance, judge described detection distance when controller and be equal to or less than a threshold distance, described controller drives described siren horn to give the alarm; Wherein, when controller only receives tellurometer survey signal and do not receive ultrasonic ranging signal, also drive described siren horn to give the alarm.
3. vehicle range finding alarming device according to claim 2, is characterized in that, described ultrasonic ranging unit includes multiple super sonic sensors, and described controller sequentially drives described multiple super sonic sensor sequentially to receive described ultrasonic ranging signal.
4. according to the vehicle range finding alarming device described in any one in claims 1 to 3, it is characterized in that, described tellurometer survey unit includes:
One pulse generator, has an input end and a mouth, and its input end is electrically connected described controller;
One radio freqneucy oscillator, has an input end, one first mouth and one second mouth, and described input end is electrically connected the mouth of described pulse generator;
One transmit-receive switch, has:
One input end, is electrically connected the first mouth of described radio freqneucy oscillator;
One sending and receiving end; And
One mouth;
One antenna, is electrically connected the sending and receiving end of described transmit-receive switch;
One DOPPLER connecting rod straightener, has:
One first input end, is electrically connected described controller;
One second input end, is electrically connected the second mouth of described radio freqneucy oscillator; And
One mouth; And
One detecter, has:
One first input end, is electrically connected the mouth of described transmit-receive switch to receive a detection voltage;
One second input end, is electrically connected the mouth of described DOPPLER connecting rod straightener to receive a VREF (Voltage Reference); And
One mouth, is electrically connected described controller;
Described controller receives described detection voltage and described VREF (Voltage Reference) from described detecter, to extrapolate described tellurometer survey signal according to the phase difference of described detection voltage and described VREF (Voltage Reference).
5. vehicle range finding alarming device according to claim 4, is characterized in that, between the mouth of described detecter and described controller, be connected with a waveform processor, described waveform processor is amplified and filtering described waveform processor.
6. according to the vehicle range finding alarming device described in any one in claims 1 to 3, it is characterized in that, described controller drives a central controlled lock system of described vehicle to lock according to described tellurometer survey signal.
7. vehicle range finding alarming device according to claim 6, it is characterized in that, described controller is judged the moving velocity of described external object according to described tellurometer survey signal, when the moving velocity of external object is equal to or higher than a threshold speed, central controlled lock system is locked described in described controller control.
8. vehicle range finding alarming device according to claim 4, it is characterized in that, described controller is extrapolated the moving velocity of external object according to the phase difference of described detection voltage and described VREF (Voltage Reference), when the moving velocity of external object is equal to or higher than a threshold speed, central controlled lock system is locked described in described controller control.
9. vehicle range finding alarming device according to claim 8, is characterized in that, the moving velocity that described controller is judged external object is equal to or higher than described threshold speed, and described controller drives described siren horn to give the alarm.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310169275.3A CN104139730A (en) | 2013-05-09 | 2013-05-09 | Vehicle ranging warning device |
| TW102122299A TW201442904A (en) | 2013-05-09 | 2013-06-24 | Distance Measuring Alert Sensor for Vehicle |
| GB201314144A GB2513929B (en) | 2013-05-09 | 2013-08-07 | Distance Measuring Alert Sensor for Vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310169275.3A CN104139730A (en) | 2013-05-09 | 2013-05-09 | Vehicle ranging warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104139730A true CN104139730A (en) | 2014-11-12 |
Family
ID=49224310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310169275.3A Pending CN104139730A (en) | 2013-05-09 | 2013-05-09 | Vehicle ranging warning device |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN104139730A (en) |
| GB (1) | GB2513929B (en) |
| TW (1) | TW201442904A (en) |
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| CN109655818A (en) * | 2018-12-24 | 2019-04-19 | 苏州市建筑科学研究院集团股份有限公司 | A kind of radio frequency range unit and distance measuring method |
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| CN104986104B (en) * | 2015-06-24 | 2017-10-20 | 奇瑞汽车股份有限公司 | A kind of opening door of vehicle anti-collision warning system and opening door of vehicle anti-collision alarm method |
| US10482687B2 (en) * | 2017-04-11 | 2019-11-19 | Ford Global Technologies, Llc | Diagnosis of an acoustic vehicle alerting system (AVAS) based on existing sensors |
| CN108868388A (en) * | 2018-06-18 | 2018-11-23 | 宁波市鄞州智伴信息科技有限公司 | Vehicle safety early warning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502936A (en) * | 2014-11-24 | 2015-04-08 | 李青花 | High-precision positioning and navigation system |
| CN105691396A (en) * | 2016-04-12 | 2016-06-22 | 京东方科技集团股份有限公司 | Automobile safety protection system and method |
| CN105691396B (en) * | 2016-04-12 | 2019-01-29 | 京东方科技集团股份有限公司 | Automobile safety system and method |
| CN109655818A (en) * | 2018-12-24 | 2019-04-19 | 苏州市建筑科学研究院集团股份有限公司 | A kind of radio frequency range unit and distance measuring method |
| CN109655818B (en) * | 2018-12-24 | 2024-02-06 | 苏州市建筑科学研究院集团股份有限公司 | Ranging method by using radio frequency ranging device |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2513929A (en) | 2014-11-12 |
| TW201442904A (en) | 2014-11-16 |
| GB201314144D0 (en) | 2013-09-18 |
| GB2513929B (en) | 2015-04-29 |
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Application publication date: 20141112 |