CN205185986U - Visual radars of backing a car of car of popping one's head in more - Google Patents

Visual radars of backing a car of car of popping one's head in more Download PDF

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Publication number
CN205185986U
CN205185986U CN201521006429.8U CN201521006429U CN205185986U CN 205185986 U CN205185986 U CN 205185986U CN 201521006429 U CN201521006429 U CN 201521006429U CN 205185986 U CN205185986 U CN 205185986U
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China
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module
ultrasonic transduter
adopts
circuit
ultrasonic
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CN201521006429.8U
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Chinese (zh)
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行鸿彦
卢春霞
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南京信息工程大学
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Abstract

The utility model discloses a visual radars of backing a car of car of popping one's head in more, including range unit and display device, range unit wireless connection is in display device, range unit includes a microcontroller chip, ultrasonic sensor, ultrasonic wave receiving and dispatching treatment circuit, temperature sensor, humidity transducer, speedtransmitter, data conversion module, reference voltage source, the first clock module, camera module, linear voltage regulator circuit and microcontroller 0 microcontroller 1, display device includes the 2nd microcontroller chip, wireless data receiving module, second clock module, display module, voice module, silence switch and acousto -optic warning module, the 2nd microcontroller chip is connected with wireless data receiving module, second clock module, display module, voice module, silence switch and acousto -optic warning module respectively, wireless data receiving module connects in wireless data sending module through wireless mode. The method that this radar utilized ultrasonic ranging and image display principle to combine together when backing a car makes park more safe, easy of driver.

Description

Multi probe radar for monitering backward running of automobile

Technical field

The utility model reversing radar of vehicle technical field, relates to a kind of Multi probe radar for monitering backward running of automobile.

Background technology

Along with economic society sustainable development, the living standard of people is significantly improved, especially in city, the quantity of automobile sharply increases, more people like the private car taking oneself go out tourism or visit, such phenomenon causes the nervous and city vehicle in public parking position, street corner, city disorderly to stop to distribute arbituarily more and more serious, the problem produced due to reversing also gets more and more, and according to nearest investigation, the car accedent of 12% is caused by reversing automobile problem.Along with people are to the more and more concern of reversing automobile safety, people urgently wish that a kind of device can go to solve the problem produced because of reversing by fast speed, remove to eliminate the safety hazard in driving, automobile is finally enable to be parked in assigned address safely, therefore, propose a kind of Reverse Sensor can realize smoothly reversing and become a kind of needs.At present, common Reverse Sensor generally adopts infrared distance measurement, simple buzzer phone, loudspeaker to remind and digital band display, and some high precision astern radar devices on market expensive and adopt wiring type by a lot of cabling from automotive interior punching through, not easy-maintaining, and affect Integral automobile aesthetic property.

Utility model content

In order to solve the deficiencies in the prior art, the utility model provides a kind of Multi probe radar for monitering backward running of automobile, the method that this radar utilizes ultrasonic ranging and image display principle to combine when moveing backward, driver is stopped more safe, easy, and help the situation of obstacle before and after driver's more intuitive understanding automobile, thus further avoid the generation of safety misadventure.

For solving the problem, the utility model specifically by the following technical solutions:

Multi probe radar for monitering backward running of automobile, is characterized in that, comprises distance measuring equipment (DME) and read out instrument, and described distance measuring equipment (DME) wireless connections are in read out instrument, and described distance measuring equipment (DME) comprises the first microcontroller chip, ultrasonic transduter, ultrasonic transmission/reception treatment circuit, temperature sensor, humidity sensor, speed sensor, data conversion module, reference voltage source, first clock module, camera module, linear voltage regulator circuit and wireless data sending module, described first microcontroller chip respectively with ultrasonic transmission/reception treatment circuit, data conversion module, linear voltage regulator circuit, humidity sensor, speed sensor, first clock module and wireless data sending module are connected, and described ultrasonic transmission/reception treatment circuit is connected with ultrasonic transduter, described data conversion module respectively with temperature sensor, reference voltage source is connected, and described linear voltage regulator circuit is connected with camera module, and described read out instrument comprises the second microcontroller chip, wireless data receipt modules, second clock module, display module, voice module, silence switch and sound and light alarm module, described second microcontroller chip respectively with wireless data receipt modules, second clock module, display module, voice module, silence switch and sound and light alarm module are connected, and described wireless data receipt modules is wirelessly connected to wireless data sending module.

Aforesaid Multi probe radar for monitering backward running of automobile, it is characterized in that, described ultrasonic transduter comprises the first ultrasonic transduter, the second ultrasonic transduter, the 3rd ultrasonic transduter, the 4th ultrasonic transduter, the 5th ultrasonic transduter and the 6th ultrasonic transduter, described first ultrasonic transduter, the second ultrasonic transduter, the 3rd ultrasonic transduter, the 4th ultrasonic transduter are spacedly distributed on automobile rear bumper, and described 5th ultrasonic transduter, the 6th ultrasonic transduter are spacedly distributed on the front bumper of automobile.

Aforesaid Multi probe radar for monitering backward running of automobile, it is characterized in that, described first microcontroller chip, second microcontroller chip all adopts the STM32 microcontroller chip based on ARMCortex-M4 kernel, the transmitting-receiving integrated probe of described ultrasonic transduter UT180 waterproof type, described temperature sensor adopts the platinum resistance thermometer sensor, of Pt100 industrial grade, described humidity sensor adopts HS1101 type humidity-sensitive capacitor, described speed sensor adopts Hall element, described data conversion module adopts AD7794 A and D converter, described reference voltage source adopts 2.5V reference voltage source, described first clock module, second clock module all adopts DS1302 chip, described camera module adopts external hanging type high-definition camera, described display module adopts ALIENTEK4.3 cun of TFTLCD.

Aforesaid Multi probe radar for monitering backward running of automobile, it is characterized in that, described ultrasonic transmission/reception treatment circuit comprises multidiameter option switch, bandpass filter and signal amplification circuit, detection and floating threshold binarization circuit, described multidiameter option switch adopts No. six select switches, adopt bandpass filter preposition in described bandpass filter and signal amplification circuit, amplifying circuit is rearmounted, described bandpass filter is in series by low-pass filter and high-pass filter, described detection and floating threshold binarization circuit comprise diode envelope detecting circuit and floating threshold binarization circuit.

The beneficial effects of the utility model: a kind of Multi probe radar for monitering backward running of automobile that the utility model provides, adopt Multi probe ultrasonic transduter, humidity sensor, temperature sensor and high definition image combine, employing wireless data sends, receiver module, greatly reduce the interference etc. between the cabling of automotive interior and cabling, seem attractive in appearance like this and do not affect the normal operation of Reverse Sensor itself, microcontroller chip adopts the STM32 based on ARMCortex-M4 kernel, there is ultimate attainment running velocity and high-performance data processing capacity, this device not only before and after the real-time display automobile of TFTLCD from the distance of obstacle, orientation and high definition image, but also voice and acousto-optic graduation alarm driver can be carried out by voice module and sound and light alarm module, therefore, this Multi probe radar for monitering backward running of automobile has real-time, high precision, high-resolution, be easy to the features such as installation, whole device can ensure the personal safety in reversing automobile process quickly, it is motivated, extensive market, there is certain current demand.

Accompanying drawing explanation

Fig. 1 is the structured flowchart of distance measuring equipment (DME) of the present utility model;

Fig. 2 is the structured flowchart of read out instrument of the present utility model;

Fig. 3 is bandpass filter and signal amplification circuit schematic diagram;

Fig. 4 is detection and floating threshold binarization circuit schematic diagram;

Fig. 5 is sound and light alarm and silence switch schematic circuit diagram.

Reference numeral implication is as follows:

1: the first microcontroller chip; 2: ultrasonic transduter; 3: ultrasonic transmission/reception treatment circuit; 4: temperature sensor; 5: humidity sensor; 6: speed sensor; 7: data conversion module; 8: reference voltage source; 9: the first clock modules; 10: camera module; 11: linear voltage regulator circuit; 12: wireless data sending module; 13: the second microcontroller chips; 14: wireless data receipt modules; 15: second clock module; 16: display module; 17: voice module; 18: silence switch; 19: sound and light alarm module.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, the utility model is further described.

As Fig. 1, shown in Fig. 2, Multi probe radar for monitering backward running of automobile, comprise distance measuring equipment (DME) and read out instrument, described distance measuring equipment (DME) wireless connections are in read out instrument, this distance measuring equipment (DME) is installed on automobile tail, read out instrument is placed on the desktop in automobile driver dead ahead, and be convenient to the distance that chaufeur observes vehicle front and rear obstacle more intuitively like this, described distance measuring equipment (DME) comprises the first microcontroller chip 1, ultrasonic transduter 2, ultrasonic transmission/reception treatment circuit 3, temperature sensor 4, humidity sensor 5, speed sensor 6, data conversion module 7, reference voltage source 8, first clock module 9, camera module 10, linear voltage regulator circuit 11 and wireless data sending module 12, described first microcontroller chip 1 respectively with ultrasonic transmission/reception treatment circuit 3, data conversion module 7, linear voltage regulator circuit 11, humidity sensor 5, speed sensor 6, first clock module 9 and wireless data sending module 12 are connected, and described ultrasonic transmission/reception treatment circuit 3 is connected with ultrasonic transduter 2, described data conversion module 7 respectively with temperature sensor 4, reference voltage source 8 is connected, and described linear voltage regulator circuit 11 is connected with camera module 10, and wherein said ultrasonic transduter 2 comprises the first ultrasonic transduter, second ultrasonic transduter, 3rd ultrasonic transduter, 4th ultrasonic transduter, 5th ultrasonic transduter and the 6th ultrasonic transduter, described first ultrasonic transduter, second ultrasonic transduter, 3rd ultrasonic transduter, 4th ultrasonic transduter is spacedly distributed on automobile rear bumper, can reduce the blind area of measurement like this, makes its area coverage larger, improves the precision and accuracy measured, described 5th ultrasonic transduter, 6th ultrasonic transduter is spacedly distributed on the front bumper of automobile, makes can find more efficiently when having obstacle before automobile, and described read out instrument comprises the second microcontroller chip 13, wireless data receipt modules 14, second clock module 15, display module 16, voice module 17, silence switch 18 and sound and light alarm module 19, described second microcontroller chip 13 respectively with wireless data receipt modules 14, second clock module 15, display module 16, voice module 17, silence switch 18 and sound and light alarm module 19 are connected, and described wireless data receipt modules 14 is wirelessly connected to wireless data sending module 12.

Concrete, described first microcontroller chip 1, second microcontroller chip 13 all adopts the STM32 microcontroller chip based on ARMCortex-M4 kernel, this chip has powerful ART real time acceleration function, the peripheral functionality of enhancing and lower power consumption, and there is extremely low running current, it is mainly utilized to carry out the process such as ultrasonic distance, temperature, humidity, its running velocity is fast, global procedures is become simply, efficiently, the resistance to overturning of system is significantly improved; The described ultrasonic transduter 2 transmitting-receiving integrated probe of UT180 waterproof type, single probe is used to calculate simple, avoid the complexity that dual probe calculates corrected parameter, this probe operating center frequency is 40 ± 1kHz, the range of temperatures used is between-40 DEG C to+85 DEG C, the complexity that distance calculates can be simplified, and then improve the correctness of data; Described temperature sensor 4 adopts the platinum resistance thermometer sensor, of Pt100 industrial grade, utilize its resistance value of platinum resistance and temperature close to linear relationship, external temperature is obtained by the resistance value measuring platinum resistance, and use method of least square to carry out the conic fitting of temperature and resistance value to Pt100, obtain secondary coefficient of correlation, thus derive its best curve equation, final temperature survey precision can be made to reach millesimal, be positioned near automobile tail, adopt four-wire system connection, there is the features such as accuracy is high, disturbing factor is little; Described humidity sensor 5 adopts HS1101 type humidity-sensitive capacitor, mainly utilizes the oscillating circuit that the capacitance of humidity-sensitive capacitor and relative humidity variations relation are formed, by carrying out the humidity value in the indirect inspection external world to the counting of square wave; Described speed sensor 6 adopts Hall element, radical function is that this physical quantity of speed is transformed into electricity to carry out detection and control, by the speed of Automobile shaft is transferred to the first microcontroller chip, first microcontroller chip carries out the automatically in real time adjustment of backing distance spacing according to the reversing automobile general speed be solidificated in advance inside its flash, ensure that the safety of reversing automobile under different situation; Described data conversion module 7 adopts AD7794 A and D converter, there is the features such as low-power consumption, low noise and full simulation front end and the passage of built-in 24 Wei six road Differential Input, Embedded low noise instrument amplifier, primary responsibility the temperature voltage small-signal of temperature sensor collection converted to the signal that exports in digital form and carry out amplifying, filtering etc.; Described reference voltage source 8 adopts 2.5V reference voltage source, and a reference source provides an absolute volt, has the voltage when load current, temperature and time change and keeps stablizing constant characteristic; Described first clock module 9, second clock module 15 all adopt DS1302 chip, be DALLAS company of the U.S. release a kind of High Performance, low-power consumption, real time clock circuit with RAM, adopt three-wire interface and CPU to carry out synchronous communication, thus reduce expending of microcontroller chip resource; Described camera module 10 adopts external hanging type high-definition camera, and radical function carries out real-time detection to automobile tail dead aft, facilitates driver to have an observation visual angle intuitively; Described display module 16 adopts ALIENTEK4.3 cun of TFTLCD, this module is that 16 true colour display screens show, NT35510 is adopted to drive, support that touch simultaneously at maximum 5, have extraordinary manipulation effect, radical function shows in real time on screen through the image of automobile tail high-definition camera shooting and the distance and bearing at screen upper right corner display automobile distance front and back obstacle.Wireless data sending module 12 and wireless data receipt modules 14, radical function is received and dispatched timely the ultrasonic distance of microcontroller chip process and the orientation of obstacle, and be finally transferred to display module; Voice module 17 employing has quick and stable optimized algorithm, can carry out graduation voice message to chaufeur reversing, thus ensures the safety of whole reversing process; Sound and light alarm module 19 adopts a red light emitting diodes and three buzzer phones composition, carries out synchronous early warning according to voice module, and for the different characteristics of chaufeur, silence switch 18 can be used to carry out the operation of Push And Release to its buzzer phone.

Ultrasonic transmission/reception treatment circuit comprises multidiameter option switch, bandpass filter and signal amplification circuit, detection and floating threshold binarization circuit, multidiameter option switch adopts No. six select switches, decide signal input, delivery port passage with address code A, B, C that the first microcontroller chip controls, primary responsibility signal send, the selection of passage, the process such as the amplification of Signal reception and signal and filtering.As shown in Figure 3, noise due to outer signals is greater than the signal noise received, so adopt bandpass filter preposition, amplifying circuit is rearmounted, thus avoid the Saturated output of amplifying circuit, bandpass filter is in series by low-pass filter and high-pass filter, on central frequency, the printing effect of bandpass filter to signal is the most weak, Main Function is gone over by the Signal transmissions in particular range, and the signal blocked beyond this frequency limit, the signal of bandpass filter exports from u3 end, through the resistance capacity coupling total radio amplifier that is made up of aerotron T1, electric capacity C6 is used for connecting signal source and amplifying circuit, electric capacity C7 is for connecting amplifying circuit and load, this amplifying circuit is selected to solve tradition problem altogether, and signal is almost added between the base stage of amplifier tube and emitter without loss.Detection and floating threshold binarization circuit as shown in Figure 4, wherein detecting circuit is made up of diode envelope detecting circuit, it is by diode D1 and R10, C8 low-pass filter is composed in series, under diode envelope detecter operates mainly in large-signal detection state, there is desirable linear conciliation performance, can be good at the Changing Pattern reflecting envelope, D1 adopts the transistors diodes that interelectrode capacity is little, ensure that the high performance operation of detecting circuit, the signal that detecting circuit exports also will through binary conversion treatment, this binary conversion treatment circuit adopts floating threshold binarization circuit, overcome the problem that the insurmountable incoming signal amplitude of tradition fixing threshold values institute changes, the level of floating threshold changes with the amplitude change of incoming signal, C9, C10, R11 forms peak holding circuit, IC741 is voltage follower and R13, R14, R15, R16, T2 and C11 forms the adjustable threshold voltage of amplitude, IC311 is voltage comparator.

This Multi probe radar for monitering backward running of automobile workflow is: first, the Multi probe radar for monitering backward running of automobile device being arranged on automotive interior is energized, the camera of automobile tail adopts automobile tail lamp circuit power supply to power, microcontroller adopts linear voltage regulator circuit voltage to power, 5V is become to power for microcontroller chip the voltage voltage stabilizing of the automobile tail light of about 12V or headlight, then carry out the reset of circuit, guarantee that it is operated in stable state.Carry out self-checking function when reversing automobile, do not work as long as detect any probe to all probes, prompting has fault (change damaged fault probe and automatically recover normal work).Each sensor is utilized to transfer data to the first microcontroller chip, first microcontroller chip carries out computing and in addition algorithm correction to original data, thus valid data are transferred out through wireless data sending module, the second microcontroller chip is sent to through wireless data receipt modules, and finally give display module ALIENTEK4.3 cun of TFTLCD, the touch screen upper right corner by before and after real-time display automobile from the distance of obstacle and orientation, the remainder of touch-screen will the image that transmits of display automobile afterbody external hanging type high-definition camera, be convenient to driver intuitively check.When the backing distance of automobile is outside safety distance, voice module and sound and light alarm module will not carry out voice and acousto-optic hint, once enter in backing distance, voice and sound and light alarm module will synchronously be classified alarm, and silence switch artificially can regulate the Push And Release of buzzer phone simultaneously.Like this, motor vehicle operators just clear and intuitively can check the longitudinal separation that car is moveed backward and graphicinformation outward, and whole device plays great guaranteeing role to reversing automobile and personal safety.Concrete sound and sound and light alarm principle as shown in Figure 5, are made up of red light emitting diodes DS1, a silence switch S1 and three active buzzer circuit.When chaufeur starts reversing, automobile distance obstacle being when being greater than 3m and being less than 3.5m, the instruction that voice module sends " all are normal ", and three buzzer phones do not sound and red light emitting diodes is not luminous simultaneously; When automobile distance obstacle be greater than 2m be less than 3m time, the instruction that voice module sends " reversing start ".Simultaneously buzzer phone Buzzer1 sound with 3s interval and red light emitting diodes with 3s interval synchronous light-emitting; When automobile distance obstacle is greater than 1m and is less than 2m, the instruction that voice module sends " reversing please notes ", simultaneously buzzer phone Buzzer1, Buzzer2 synchronously sound with 2s interval and red light emitting diodes with interval luminescence in 2 seconds; When automobile distance obstacle is greater than 0.5m and is less than 1m, the instruction that voice module sends " reversing is dangerous; please stop immediately ", simultaneously buzzer phone Buzzer1, Buzzer2 and Buzzer3 hurriedly synchronously sounds with 0.5s interval and red light emitting diodes is luminous with 0.5s interval, what during reversing, the prompting of early warning distance was taked is default value, carries out automatic real-time synchronization adjustment according to the reversing automobile speed that Hall element is surveyed in real time.In addition, consider the situation at heart during each chaufeur reply reversing, arrange silence switch at this, this switch can by the Push And Release of chaufeur manual control buzzer phone, and seem hommization so more.

First microcontroller chip PWM mouth of this Multi probe radar for monitering backward running of automobile is to send 8 ultrasonic pulses at equal intervals, simultaneously decide delivery port passage through the address code A of multidiameter option switch, B, C, PZT (piezoelectric transducer) is driven to send 8 ultrasonic signals of 40kHz through aerotron amplification etc. again, and adopt transit time detection method to carry out work, if multiple probe detects obstacle simultaneously, then be as the criterion (automobile tail 4 probes are one group of detection, and automotive front 2 probe is as other one group of detection) with the obstacle nearest from car.By the obstacle collected, distance, temperature and humidity send the first microcontroller chip in real time, microcontroller chip carries out the compensation of temperature and humidity to the hypracoustic velocity of sound by the temperature and humidity value that detects, thus make the automobile that calculates more accurate from obstacle distance.Active distance is sent by wireless data sending module by the first microcontroller chip, and be finally transferred to display module through the second microcontroller chip, the distance and bearing of car from obstacle is shown in real time in the upper right corner of display module, the picture that the display high-definition camera that all the other interfaces of read-out are real-time simultaneously transmits, be convenient to driver check easily and intuitively, bring out and out benefit to the safety of people.

More than show and describe groundwork of the present utility model, principal character and advantage.The technical personnel of the industry should be understood; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (4)

1. Multi probe radar for monitering backward running of automobile, is characterized in that, comprises distance measuring equipment (DME) and read out instrument, and described distance measuring equipment (DME) wireless connections are in read out instrument, and described distance measuring equipment (DME) comprises the first microcontroller chip, ultrasonic transduter, ultrasonic transmission/reception treatment circuit, temperature sensor, humidity sensor, speed sensor, data conversion module, reference voltage source, first clock module, camera module, linear voltage regulator circuit and wireless data sending module, described first microcontroller chip respectively with ultrasonic transmission/reception treatment circuit, data conversion module, linear voltage regulator circuit, humidity sensor, speed sensor, first clock module and wireless data sending module are connected, and described ultrasonic transmission/reception treatment circuit is connected with ultrasonic transduter, described data conversion module respectively with temperature sensor, reference voltage source is connected, and described linear voltage regulator circuit is connected with camera module, and described read out instrument comprises the second microcontroller chip, wireless data receipt modules, second clock module, display module, voice module, silence switch and sound and light alarm module, described second microcontroller chip respectively with wireless data receipt modules, second clock module, display module, voice module, silence switch and sound and light alarm module are connected, and described wireless data receipt modules is wirelessly connected to wireless data sending module.
2. Multi probe radar for monitering backward running of automobile according to claim 1, it is characterized in that, described ultrasonic transduter comprises the first ultrasonic transduter, second ultrasonic transduter, 3rd ultrasonic transduter, 4th ultrasonic transduter, 5th ultrasonic transduter and the 6th ultrasonic transduter, described first ultrasonic transduter, second ultrasonic transduter, 3rd ultrasonic transduter, 4th ultrasonic transduter is spacedly distributed on automobile rear bumper, described 5th ultrasonic transduter, 6th ultrasonic transduter is spacedly distributed on the front bumper of automobile.
3. Multi probe radar for monitering backward running of automobile according to claim 1, it is characterized in that, described first microcontroller chip, second microcontroller chip all adopts the STM32 microcontroller chip based on ARMCortex-M4 kernel, the transmitting-receiving integrated probe of described ultrasonic transduter UT180 waterproof type, described temperature sensor adopts the platinum resistance thermometer sensor, of Pt100 industrial grade, described humidity sensor adopts HS1101 type humidity-sensitive capacitor, described speed sensor adopts Hall element, described data conversion module adopts AD7794 A and D converter, described reference voltage source adopts 2.5V reference voltage source, described first clock module, second clock module all adopts DS1302 chip, described camera module adopts external hanging type high-definition camera, described display module adopts ALIENTEK4.3 cun of TFTLCD.
4. Multi probe radar for monitering backward running of automobile according to claim 1, it is characterized in that, described ultrasonic transmission/reception treatment circuit comprises multidiameter option switch, bandpass filter and signal amplification circuit, detection and floating threshold binarization circuit, described multidiameter option switch adopts No. six select switches, adopt bandpass filter preposition in described bandpass filter and signal amplification circuit, amplifying circuit is rearmounted, described bandpass filter is in series by low-pass filter and high-pass filter, described detection and floating threshold binarization circuit comprise diode envelope detecting circuit and floating threshold binarization circuit.
CN201521006429.8U 2015-12-08 2015-12-08 Visual radars of backing a car of car of popping one's head in more CN205185986U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106032127A (en) * 2016-04-28 2016-10-19 惠州市德赛西威汽车电子有限公司 Control method for vehicle-borne radar and video display
CN106291522A (en) * 2016-07-27 2017-01-04 南京信息工程大学 A kind of supersonic range finder and distance-finding method
CN109544956A (en) * 2018-12-29 2019-03-29 威马智慧出行科技(上海)有限公司 A kind of car alarming audio control method and system
CN110406489A (en) * 2019-07-29 2019-11-05 江铃汽车股份有限公司 Trailer-mounted radar alarm indication method, system and car-mounted terminal

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106032127A (en) * 2016-04-28 2016-10-19 惠州市德赛西威汽车电子有限公司 Control method for vehicle-borne radar and video display
CN106291522A (en) * 2016-07-27 2017-01-04 南京信息工程大学 A kind of supersonic range finder and distance-finding method
CN106291522B (en) * 2016-07-27 2018-09-14 南京信息工程大学 A kind of supersonic range finder and distance measuring method
CN109544956A (en) * 2018-12-29 2019-03-29 威马智慧出行科技(上海)有限公司 A kind of car alarming audio control method and system
CN110406489A (en) * 2019-07-29 2019-11-05 江铃汽车股份有限公司 Trailer-mounted radar alarm indication method, system and car-mounted terminal

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