CN2324549Y - Multiple-probe wireless backing rear-view traffic collision prevention radar for vehicle - Google Patents
Multiple-probe wireless backing rear-view traffic collision prevention radar for vehicle Download PDFInfo
- Publication number
- CN2324549Y CN2324549Y CN 97237819 CN97237819U CN2324549Y CN 2324549 Y CN2324549 Y CN 2324549Y CN 97237819 CN97237819 CN 97237819 CN 97237819 U CN97237819 U CN 97237819U CN 2324549 Y CN2324549 Y CN 2324549Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- ultrasonic
- signal
- integrated circuit
- display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Traffic Control Systems (AREA)
Abstract
The utility model discloses a wireless rear-view anti-collision radar with multiple probes for car backing, relating to a rear-view anti-collision radar for the car backing. A plurality of probes for an ultrasonic sensor are arranged on the rear of a car. An ultrasonic signal is emitted by an ultrasonic emission circuit 3 via an emission sensor 2, the ultrasonic signal is received and converted into an electrical signal by a receiving sensor after reflected by meeting an obstacle, the electrical signal is given to a microprocessor 5 after treated by an ultrasonic receiving circuit 4 to calculate the distance of the obstacle behind the car, and a signal is emitted by an emission circuit 6 through encoding. A display arranged on the front part of the car is provided with a wireless data receiving circuit 7 by which the signal is amplified and shaped, the signal is input into a data decoder 8 to be decoded, a distance signal is displayed on a screen by a circuit for driving display 9, and sound prompt or warning can also be processed simultaneously.
Description
The utility model is relevant with reversing automobile backsight radar.
Automobile is when reversing, driver's backsight condition is very poor, various accidents very easily appear, study and invented multiple automotive rear-view radar for addressing this problem people, but existing automotive rear-view radar all needs to draw cable to automotive front driver instrument desk from automobile tail, so not only influence the attractive in appearance of automobile, and destroyed the integrality of automobile.In addition, their lists that adopt are popped one's head in more, thereby the backsight blind area is very big, easily causes erroneous judgement.
The purpose of this utility model provides a kind of simple in structure, dependable performance, ablepsia district without issue, the reversing automobile backsight collision avoidance radar that does not influence the attractive in appearance of automobile and keep its integrality easy for installation.
The utility model is achieved in that
A plurality of ultrasonic sensor probe 1 of the present utility model places automobile rear, ultrasonic transmit circuit 3 is by ultrasonic emitting sensor 2 emission ultrasonic signals, after running into the barrier reflection aloft, receive by ultrasound wave receiving sensor 11 again and convert electric signal to, after ultrasound wave receiving circuit 4 processing and amplifying, give microprocessor 5 by measuring ultrasonic signal emission, receive delay time, calculate the distance of car and obstruction, encoded back is sent out by 6 emissions of wireless data transmission circuit.
After the display of demonstration car front portion has wireless data receiver circuit 7 that the wireless data signal that receives is amplified shaping, input data decoder 8 is decoded and data processing, by display driver circuit 9 range information is presented on the display screen at last, also can has sound warning circuit 10 to carry out auditory tone cues or warning.
Ultrasonic emitting sensor T40 connects the output of the ultrasonic transmit circuit 3 of integrated circuit (IC) 2 and transistor T 2 compositions, IC2 produces the ultrasonic frequency train of impulses, amplify by transistor T 2 and inductance L 2, after the driving, lock the ultrasonic emitting head of T40, the outl end of the integrated circuit (IC) 1 of the outl input termination microprocessor 5 of radiating circuit 3, ultrasound wave receiving sensor R40 connects the input of the ultrasound wave receiving circuit 4 of integrated circuit (IC) 3 compositions, the acoustic signals that IC3 will receive is handled the IN1 end of back input ic IC1, IC1 has a plurality of IN ends and a plurality of OUT end can meet a plurality of ultrasonic transmitter T40 and receiver R40 simultaneously, carry out time measurement simultaneously, data processing and distance calculation, and with the result encoded after, give by integrated circuit (IC) 4 by the FOUT end, inductance L 4, the high frequency radio magnetic wave radiating circuit 6 of compositions such as capacitor C 13 outwards radiate through antenna L3.
The signal that ultrasound wave receiving sensor R40 receives is input ic IC3 after transistor T 1 amplifies, and the enlargement factor of T1 can be adjusted according to sensitivity and the detection range of R40.
The output of integrated circuit (IC) 2 connects a plurality of ultrasonic emitting sensors.
IC1 is XD67221, and IC2 is LM555, and IC3 is 20106, and IC4 is M03R.
The electromagnetic wave signal of the antenna L4 receiving antenna L3 emission of wireless data receiving circuit 7 after integrated circuit (IC) 6 is amplified shaping, gives integrated circuit (IC) 7 decodings, and outputting data signals output signal behind display driving integrated circuit arrives display.
The audio frequency output of IC7 is input to hummer or loudspeaker B1 after transistor T 3 amplifies.
Display driving integrated circuit is ic chip 8, IC9, IC10, and the three is integrated circuit 4056.
Display driving integrated circuit is that special liquid crystal display driving integrated circuit IC5 is M03R, and IC6 is 4069, and IC7 is that special IC is XD67221A.
IC1, IC7 can adopt general chip microprocessor.
The utility model is made up of ultrasonic range finder (main frame) and radio display (subsidiary engine) two major parts, main frame is placed in automobile tail, display is put in bridge instrumentation platform optional position, adopt wireless transmission method to connect between them, display need not any cable, not only easy for installation, and attractive in appearance, practical, do not influence the automobile globality.Afterbody adopts a plurality of sonic probes, has reduced the blind area, has improved the backsight performance.
The ultrasonic ranging of the utility model collection, microprocessor control, wireless transmission, digital processing and display technique can effectively be judged car and obstruction in one, and computed range is by display range of a signal and warning, remind the driver to note, thereby avoided the danger in the reversing process.
Following is accompanying drawing of the present utility model:
Fig. 1 is the theory diagram of the utility model ultrasonic range finder.
Fig. 2 is the radio display theory diagram.
Fig. 3 is the circuit theory diagrams of ultrasonic range finder.
Fig. 4 is the circuit theory diagrams of radio display.
Fig. 5 is a kind of ultrasonic transmit circuit schematic diagram.
Following is embodiment of the present utility model:
As depicted in figs. 1 and 2, automobile is when reversing, connect ultrasonic range finder (Fig. 1) power supply, after Filtering Processing, use for ultrasonic range finder each several part circuit, microprocessor is after the initialization detection is finished simultaneously, the control ultrasonic transmit circuit, by one section ultrasonic signal of ultrasonic sensor emission, for guaranteeing tailstock non-blind area, a plurality of ultrasonic sensor probes have been adopted, after ultrasound wave runs into the barrier reflection aloft, receive by ultrasonic sensor again and convert electric signal to after playing sound wave receiving circuit processing and amplifying, give microprocessor, by measuring the ultrasonic signal emission, the receive delay time, calculate the distance of car and obstruction, encoded back is by the wireless data transmission circuit, or employing frequency electromagnetic waves mode, by wireless or car body data transmission is gone out, also can adopt infrared ray ultrasound wave mode to carry out wireless data and transmit.Be positioned at the radio display of car front portion, its wireless data is decoded and data processing after by the receipts circuit wireless data signal that receives being amplified shaping, by display driver circuit range information is presented on the display screen at last, simultaneously, the audible alarm circuit carries out auditory tone cues and warning.
Ultrasonic range finder electricity principle as shown in Figure 3, R40, T40 are ultrasonic transmission/reception sensor (probe), about frequency of operation 40KHZ, also can adopt other frequency of operation, R40 and T1 integrated circuit (IC) 3 etc. are formed ultrasonic receiver, simultaneously the ultrasonic signal that receives are carried out preposition amplification.Filtering and wave shaping are handled.Small-signal amplifier tube T1 enlargement factor can be adjusted according to ultrasonic sensor sensibility and detection range, and also can omit need not.T40, T2 and integrated circuit (IC) 2 etc. are formed ultrasonic transmit circuit, IC2 is used to produce the 40KHZ train of impulses, amplify by T2, L2, after the driving, feed-in ultrasonic emitting head, integrated circuit (IC) 1 is central processing unit (CPU), be used to control a plurality of ultrasonic transmitters, receiver carries out time measurement, data processing and distance calculation simultaneously, and the result given by integrated circuit (IC) 4 after encoded, inductance L 4, the high frequency radio magnetic wave transmitter that capacitor C 13 grades are formed, L3 outwards radiate through antenna.Capacitor C 1, C2, crystal X1 are that central processing unit (CPU) provides reference clock signal, and E1, R15 form the electrify restoration circuit of IC1, control a plurality of ultrasonic transmitters respectively by IC1 (CPU), can roughly determine the barrier orientation.Oscillator IC2 in a plurality of ultrasonic transmitters can be merged as required, see Fig. 5,, present simultaneously after the driving, simultaneously launching electromagnetic wave to a plurality of ultrasonic probes through amplifying.
The radio display electrical schematic diagram as shown in Figure 4, antenna L4, integrated circuit (IC) 5, capacitor C 10 inductance L 5 grades are formed radio receiver, receive the electromagnetic wave signal that L3 launches, after integrated circuit (IC) 6 is amplified shaping, give integrated circuit (IC) 7, the signal of 7 pairs of receptions of integrated circuit (IC) is decoded, assist out data, carrying out liquid crystal display by integrated circuit (IC) 8, IC9, IC10 drives, LCD is that liquid crystal shows screen, controls hummer simultaneously and carries out auditory tone cues and warning, and capacitor C 7, C8 crystal X2 provide work clock and reference signal for demoder.IC8, IC9, IC10 available dedicated liquid crystal display drive integrated circult replace, in addition, show and also can adopt LED (charactron) mode, principle is the same, also can change hummer into loudspeaker, by IC7 control and output voice signal, carry out verbal cue as " note that and hinder thing, 5 meters; 4 meters, 3 meters ... " or the like, S1, C5, R12 form manual reset circuit.
The radio display power supply can adopt battery, also power supply on the car can be handled the back and use.IC1, IC7 can adopt general chip microprocessor to realize, but also integrated circuit such as mask or customization.
Claims (13)
1, many probe wireless automobile vehicle backing backsight collision avoidance radars, it is characterized in that having a plurality of ultrasonic sensor probes (1) to place automobile rear, ultrasonic transmit circuit (3) is by ultrasonic emitting sensor (2) emission ultrasonic signal, after running into the barrier reflection aloft, receive by ultrasound wave receiving sensor (11) again and convert electric signal to, after ultrasound wave receiving circuit (4) processing and amplifying, give microprocessor (5) by measuring the ultrasonic signal emission, the receive delay time, calculate the distance of car and obstruction, encoded back is sent out by wireless data transmission circuit (6) emission.
2, radio display, after it is characterized in that placing the display of car front portion to have wireless data receiver circuit (7) that the wireless data signal that receives is amplified shaping, input data decoder (8) is decoded and data processing, by display driver circuit (9) range information is presented on the display screen at last, also can has sound warning circuit (10) to carry out auditory tone cues or warning.
3, many probe wireless automobile vehicle backing backsight collision avoidance radars according to claim 1, it is characterized in that ultrasonic emitting sensor T40 connects the output of the ultrasonic transmit circuit (3) of integrated circuit (IC) 2 and transistor T 2 compositions, IC2 produces the ultrasonic frequency train of impulses, amplify by transistor T 2 and inductance L 2, after the driving, the ultrasonic emitting head of feed-in T40, the outl end of the integrated circuit (IC) 1 of the outl input termination microprocessor (5) of radiating circuit (3), ultrasound wave receiving sensor R40 connects the input of the ultrasound wave receiving circuit (4) of integrated circuit (IC) 3 compositions, IC3 handles the ultrasonic signal that receives at the IN1 end of back input ic IC1, IC1 has a plurality of IN ends and a plurality of OUT end can meet a plurality of ultrasonic transmitter T40 and receiver R40 simultaneously, carry out time measurement simultaneously, data processing and distance calculation, and with the result encoded after, give by integrated circuit (IC) 4 by the FOUT end, inductance L 4, the high frequency radio magnetic wave radiating circuit (6) that capacitor C 13 is formed outwards radiate through antenna L3.
4, many probe wireless automobile vehicle backing backsight collision avoidance radars according to claim 3, it is characterized in that signal input ic IC3 after transistor T 1 amplifies that ultrasound wave receiving sensor R40 receives, the enlargement factor of T1 can be adjusted according to sensitivity and the detection range of R40.
5, according to claim 3 or 4 or described many probe wireless automobile vehicle backing backsight collision avoidance radars, it is characterized in that the output of integrated circuit (IC) 2 connects a plurality of ultrasonic emitting sensors.
6, according to claim 1 or 3 or 4 described many probe radio vehicle rear-view collision avoidance radars, it is characterized in that capacitor C 1, C2, crystal X1 provides reference clock signal for IC1, and electric capacity E1 is arranged, and resistance R 15 is formed the electrify restoration circuit of IC1.
7, many probe wireless automobile vehicle backing backsight collision avoidance radars according to claim 6 is characterized in that IC1 is XD67221, and IC2 is LM555, and IC3 is 20106, and IC4 is M03S.
8, radio display according to claim 2, the electromagnetic wave signal that it is characterized in that the antenna L4 receiving antenna L3 emission of wireless data receiving circuit (7), after integrated circuit (IC) 6 is amplified shaping, give integrated circuit (IC) 7 decodings, outputting data signals output signal behind display driving integrated circuit arrives display.
9, radio display according to claim 8 is characterized in that the audio frequency output of IC7 is input to hummer or loudspeaker B1 after transistor T 3 amplifies.
10, according to Claim 8 or 9 described radio displays, it is characterized in that capacitor C 7, C8, crystal X2 provides work clock and reference signal for IC7, by reset switch S1, and capacitor C 5, the manual reset circuit that resistance R 12 is formed connects the RST end of IC7.
11, according to Claim 8 or 9 described radio displays, it is characterized in that display driving integrated circuit is ic chip 8, IC9, IC10, the three is integrated circuit 4056.
12, according to Claim 8 or 9 described radio displays, it is characterized in that display driving integrated circuit is the special liquid crystal display driving integrated circuit, IC5 is M03R, and IC6 is 4069, and IC7 is special IC XD67221A.
13, according to Claim 8 or 9 described radio displays, it is characterized in that IC1, IC7 can adopt general chip microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97237819 CN2324549Y (en) | 1997-10-10 | 1997-10-10 | Multiple-probe wireless backing rear-view traffic collision prevention radar for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97237819 CN2324549Y (en) | 1997-10-10 | 1997-10-10 | Multiple-probe wireless backing rear-view traffic collision prevention radar for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2324549Y true CN2324549Y (en) | 1999-06-16 |
Family
ID=33948381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97237819 Expired - Fee Related CN2324549Y (en) | 1997-10-10 | 1997-10-10 | Multiple-probe wireless backing rear-view traffic collision prevention radar for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2324549Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100365431C (en) * | 2004-02-02 | 2008-01-30 | 李世雄 | Wireless turning back radar capable of displaying various image channels |
| CN100427966C (en) * | 2004-10-01 | 2008-10-22 | 株式会社电装 | Vehicular radar system |
| CN100443921C (en) * | 2004-10-01 | 2008-12-17 | 株式会社电装 | Vehicular radar system |
| WO2009082831A1 (en) * | 2007-12-27 | 2009-07-09 | Shenzhen Gospell Smarthome Electronic Co., Ltd | Vehicle rearview instrument |
| CN1815144B (en) * | 2005-01-31 | 2010-12-15 | 大陆汽车有限责任公司 | Reverse assistant |
| CN101059351B (en) * | 2006-04-19 | 2011-07-06 | 财团法人车辆研究测试中心 | Vehicle backing track assistant device |
| CN102636259A (en) * | 2012-04-25 | 2012-08-15 | 清华大学 | Multi-aperture optical signal detection system and method |
| WO2016045109A1 (en) * | 2014-09-28 | 2016-03-31 | 鑫能源科技(深圳)有限公司 | Car reversing auxiliary system and method |
| WO2016176854A1 (en) * | 2015-05-07 | 2016-11-10 | SZ DJI Technology Co., Ltd. | System and method for detecting an object |
| CN107656285A (en) * | 2012-03-28 | 2018-02-02 | 大众汽车有限公司 | Detection object and/or the method and sensing system for determining spacing |
| CN111762097A (en) * | 2020-07-01 | 2020-10-13 | 中国第一汽车股份有限公司 | Reverse collision avoidance detection system and control method thereof |
| CN113687363A (en) * | 2021-10-27 | 2021-11-23 | 广东奥迪威传感科技股份有限公司 | Ultrasonic aftershock prevention distance detection method and device |
-
1997
- 1997-10-10 CN CN 97237819 patent/CN2324549Y/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100365431C (en) * | 2004-02-02 | 2008-01-30 | 李世雄 | Wireless turning back radar capable of displaying various image channels |
| CN100427966C (en) * | 2004-10-01 | 2008-10-22 | 株式会社电装 | Vehicular radar system |
| CN100443921C (en) * | 2004-10-01 | 2008-12-17 | 株式会社电装 | Vehicular radar system |
| CN1815144B (en) * | 2005-01-31 | 2010-12-15 | 大陆汽车有限责任公司 | Reverse assistant |
| CN101059351B (en) * | 2006-04-19 | 2011-07-06 | 财团法人车辆研究测试中心 | Vehicle backing track assistant device |
| WO2009082831A1 (en) * | 2007-12-27 | 2009-07-09 | Shenzhen Gospell Smarthome Electronic Co., Ltd | Vehicle rearview instrument |
| CN107656285A (en) * | 2012-03-28 | 2018-02-02 | 大众汽车有限公司 | Detection object and/or the method and sensing system for determining spacing |
| CN102636259A (en) * | 2012-04-25 | 2012-08-15 | 清华大学 | Multi-aperture optical signal detection system and method |
| CN102636259B (en) * | 2012-04-25 | 2014-11-26 | 清华大学 | Multi-aperture optical signal detection system and method |
| WO2016045109A1 (en) * | 2014-09-28 | 2016-03-31 | 鑫能源科技(深圳)有限公司 | Car reversing auxiliary system and method |
| CN107533033A (en) * | 2015-05-07 | 2018-01-02 | 深圳市大疆创新科技有限公司 | System and method for detection object |
| WO2016176854A1 (en) * | 2015-05-07 | 2016-11-10 | SZ DJI Technology Co., Ltd. | System and method for detecting an object |
| US10884122B2 (en) | 2015-05-07 | 2021-01-05 | SZ DJI Technology Co., Ltd. | System and method for detecting an object |
| CN107533033B (en) * | 2015-05-07 | 2021-06-22 | 深圳市大疆创新科技有限公司 | System and method for detecting an object |
| CN111762097A (en) * | 2020-07-01 | 2020-10-13 | 中国第一汽车股份有限公司 | Reverse collision avoidance detection system and control method thereof |
| CN113687363A (en) * | 2021-10-27 | 2021-11-23 | 广东奥迪威传感科技股份有限公司 | Ultrasonic aftershock prevention distance detection method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2324549Y (en) | Multiple-probe wireless backing rear-view traffic collision prevention radar for vehicle | |
| US7248153B2 (en) | Method for parking a vehicle | |
| US7728719B2 (en) | Signal-transmitting and multi-receiving method of detecting obstacle and parking sensor apparatus using the same | |
| JP2000028717A (en) | Device for detecting obstacle | |
| JP2004518983A5 (en) | ||
| JPH0585288A (en) | Vehicle alarm | |
| CN100529796C (en) | Anticollision radar alarming method and device for vehicle based on virtual circular acoustic technology | |
| CN200979598Y (en) | An omnidirectional automobile backing radar | |
| CN2791663Y (en) | Automobile backing promptor | |
| JPS61243384A (en) | Alarm system for ultrasonic sonar | |
| US20030122659A1 (en) | Vehicle backup alert system | |
| CN205656307U (en) | Radar for car backing | |
| JP3434871B2 (en) | Moving object detection device | |
| GB2112520A (en) | Vehicle manoeuvring aid | |
| CN2265319Y (en) | Distance-measuring display device for car backing-up | |
| JP2001051057A (en) | Obstacle detection system for vehicle | |
| GB2305287A (en) | Vehicle manoeuvring aid | |
| CN2134662Y (en) | Automotive rear vision blind area object detector | |
| JP3041548B2 (en) | Automotive ultrasonic sensors | |
| CN2288879Y (en) | Monitor for backed car | |
| CN211236236U (en) | Radar system capable of realizing online writing | |
| CN210110039U (en) | Traffic signal lamp capable of giving alarm according to speed of pedestrian | |
| JP3056844B2 (en) | Ultrasonic detector for vehicles | |
| JPH06138226A (en) | On-vehicle ultrasonic detector | |
| JP3072145B2 (en) | Ultrasonic detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |