WO2009082831A1 - Instrument de rétrovisée pour véhicule - Google Patents

Instrument de rétrovisée pour véhicule Download PDF

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Publication number
WO2009082831A1
WO2009082831A1 PCT/CN2007/003801 CN2007003801W WO2009082831A1 WO 2009082831 A1 WO2009082831 A1 WO 2009082831A1 CN 2007003801 W CN2007003801 W CN 2007003801W WO 2009082831 A1 WO2009082831 A1 WO 2009082831A1
Authority
WO
WIPO (PCT)
Prior art keywords
display device
wireless
camera
vehicle
module
Prior art date
Application number
PCT/CN2007/003801
Other languages
English (en)
Chinese (zh)
Inventor
Xianan Zhang
Zude Zhang
Xiangyuan Xia
Hongliang Ma
Yong TAN
Zhiyong Xiao
Baohua San
Changfeng Huang
Zhiqiang Wu
Original Assignee
Shenzhen Gospell Smarthome Electronic Co., Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Gospell Smarthome Electronic Co., Ltd filed Critical Shenzhen Gospell Smarthome Electronic Co., Ltd
Publication of WO2009082831A1 publication Critical patent/WO2009082831A1/fr

Links

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
    • G01S13/88—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
    • G01S2013/93271—Sensor installation details in the front 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
    • 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
    • G01S2013/93272—Sensor installation details in the back of the vehicles

Definitions

  • the invention relates to a rear viewfinder for a vehicle, and more particularly to a rear viewfinder for a vehicle with GPS satellite positioning navigation and radar alarm. Background technique
  • the rear view system of the car can reliably and conveniently display the situation behind the car, which can effectively reduce accidents caused by reverse.
  • Patent application No. 00203543 entitled “Automotive Electronic Rear View” discloses a rear view system that connects a camera mounted at the rear of the car via a video cable and a power cord and is installed in the cab. Display.
  • the existing rear view system of the car is not convenient to install and maintain, and has a single function. Summary of the invention
  • the technical problem to be solved by the present invention is to provide a multi-functional vehicle rear view system that is easy to install and maintain, in view of the defects of the prior art automobile rear view system installation, maintenance inconvenience, and single function.
  • the technical solution adopted by the present invention to solve the technical problem is to construct a rear viewfinder for a vehicle, comprising a GPS module, a display device, at least one camera, a detector for detecting surrounding obstacles, and receiving the detector wirelessly a microprocessor of a signal, a wireless transmitting module, a wireless receiving module, and a switching circuit, wherein the wireless transmitting module is configured to simultaneously receive wireless signals of the camera and the microprocessor, and the wireless receiving module receives the wireless transmitting The wireless signal transmitted by the module, the display device selects to receive and display the signal of the GPS module or the signal of the wireless receiving module through the switching circuit.
  • a video input port disposed on the display device is further included, and the display device can receive a signal from the video input port through the switching circuit.
  • the speaker is further disposed on the display device, Video and audio input, and buzzer interface.
  • the camera, the wireless transmitting module, the microprocessor and the detector are powered by a vehicle backup lamp power supply circuit.
  • the camera is rotatably mounted to the camera mount, and the camera mount is mounted to the rear of the vehicle by strong magnetic force, strong adhesive or screw.
  • the camera bracket is provided with a decorative light.
  • the detectors are provided in three groups, which are respectively disposed at the middle of the front, the rear and the vehicle body.
  • Each set of detectors has 2, 3, 4, 6 or 8 probes, which are located on both sides of the body.
  • the display device is mounted in a bracket that is fixed to a suitable position in the automobile by strong adhesiveness.
  • the wireless receiving module is built in the bracket, and the GPS module can be externally or built in the display device.
  • the GPS module is disposed on the display device.
  • the wireless receiving module, the display device, and the GPS module operate using a car cigarette lighter power source.
  • the automobile rearview device embodying the invention has the following beneficial effects: the rear view system of the invention adopts a camera and a liquid crystal display device, and also has a GPS satellite navigation system and a radar alarm system, and has high integration; the camera and the display device are mounted on the bracket On the top, the camera and display device brackets can be easily installed in the appropriate position on the car.
  • the detector can be placed in the middle of the front, rear and body, easy to install, repair and use.
  • FIG. 1 is a working principle diagram of a rear viewr of the automobile of the present invention.
  • 2, 3, and 4 are respectively a top view, a front view, and a bottom view of the camera bracket and the protective cover of the rear viewer of the automobile of the present invention
  • Figure 5 is a front elevational view of the display device of the rearview monitor of the present invention
  • Figure 6 is a perspective view of the display device shown in Figure 5;
  • Figure 7 is a schematic view of the bracket of the display device shown in Figure 5;
  • FIG. 8 is a perspective view of a wireless radar transmitting box with a wireless transmitting module and a microprocessor;
  • FIG. 9 is an exploded perspective view of the wireless radar transmitting box shown in FIG. 8;
  • Fig. 10 is a schematic view showing the rear view of the automobile by the display device shown in Fig. 5. detailed description
  • the car rear view device includes a GPS module 3 , a display device 5 , a camera 1 and a corresponding wireless transmitting module 2 , a wireless receiving module 22 , a switching circuit 4 , a detector 61 for detecting surrounding obstacles, and A microprocessor 62 that wirelessly receives the signal from detector 61.
  • the GPS module 3 is configured to receive GPS satellite positioning navigation information, and transmit the received information to the display device 5 for display.
  • the camera 1 takes a picture of the rear of the car and transmits the video signal through a wireless signal.
  • the wireless transmitting module 2 can simultaneously receive the wireless signals sent by the camera 1 and the microprocessor 62, and send them to the wireless receiving module 22, and the wireless receiving module 22 processes the wireless signals, and then transmits the information to the display device 5 for display.
  • the switching circuit 4 is for switching the signal input source of the display device 5.
  • the display device 5 can select to receive and display the information of the wireless receiving module 2 through the switching circuit 4, and can also select to receive and display the information of the GPS module 3.
  • display device 5 includes a green light and a "WARNING" warning light.
  • display device 5 compares with a particular level of value based on the different signals obtained from microprocessor 62. When it is greater than this value, it indicates that the obstacle is far away from the car, and the green light is on; when it is less than this value, it indicates that the obstacle is closer to the car, and the "WARNING" warning light is on.
  • the green light and the warning light are not provided on the display device 5.
  • the speaker on the display device will ring and a warning character will be displayed on the screen.
  • the camera 1 is an infrared camera, using a CMOS photosensitive element with a pixel of 656 X 492, the format is NTSC, the transmission frequency is 2. 4G, the modulation type is FM, the bandwidth is 18 MHz, and the operating voltage is 12V.
  • the horizontal viewing angle is 80° and the vertical viewing angle is 60°.
  • the wireless receiving module 2 is a 4-channel receiver including a tuner.
  • the receiving frequency is 2. 4G
  • the demodulation type is FM
  • the intermediate frequency is 480 MHz.
  • the camera is usually mounted to the camera bracket and the camera bracket is mounted in the appropriate position on the vehicle.
  • the camera is rotatably coupled to the camera holder, that is, the camera is rotatable.
  • the detector 61 has three groups, which are respectively arranged at the middle of the front, the rear and the body. Each set of detectors 61 has 2, 3, 4, 6 or 8 probes, which are located on both sides of the body.
  • the detector 61 provided at the rear of the vehicle can be placed on the rear bumper of the automobile.
  • FIGs 2, 3, and 4 are top, front, and bottom views of the camera bracket and protective cover, respectively.
  • the camera bracket 6 is an elongated plate with a hole for mounting the camera in the middle of the plate. Install a protective cover 7 on the outside of the camera.
  • the protective cover 7 is made of a waterproof transparent material, which can effectively prevent rain from dripping onto the camera without affecting the operation of the camera. For aesthetic reasons, the camera stand 6 is also provided with a decorative light.
  • the camera holder 6 can be mounted to the rear of the car by strong magnetism, strong adhesion or screws.
  • the protective cover 7 is mounted on the camera holder 6, and the camera is mounted between the holder 6 and the protective cover 7.
  • the camera 1 is powered by a power supply circuit for the vehicle's backup lights. When the car is in the reverse gear position, the camera 1 starts to work.
  • Fig. 5 is a front elevational view showing the display device of the rearview monitor of the present invention
  • Fig. 6 is a schematic view showing the three-dimensional structure of the display device 5.
  • display device 5 uses a 4.3 inch TFT liquid crystal display panel 8, however, those skilled in the art will appreciate that other sizes and types of display screens can be utilized with the present invention.
  • the video display interface 5 is further provided with other video input interfaces.
  • the display device 5 can receive the video output of the portable DVD player through the video input interface and display it on the screen.
  • the display device 5 can select to receive and display the video signals of the wireless receiving module 2, the GPS module 4 or the portable DVD through the switching circuit 4.
  • the display device 5 is further provided with a speaker and an audio input interface through which an audio output signal of a microphone, a portable DVD, an MP3 player or the like can be received.
  • the display device 5 is also provided with a buzzer interface. When the probe detects that the obstacle is close to the car, the speaker on the display device 5 will ring through the wireless transmitting module, and if the buzzer is connected, the buzzer is synchronized. Will ring. If the wireless transmitter box is cancelled as a cable product, after the buzzer is connected, the buzzer sounds when the probe detects that the obstacle is close to the car.
  • Video input ports and audio input ports can also be set on the display device 5, and can also be displayed on the display screen.
  • a speaker is provided on one or both sides of the 8 so that the display device 5 has a multimedia function.
  • the display device 5 and the wireless receiving module 2 can use the power source of the car cigarette lighter as the working power source.
  • the display device 5 is internally provided with a GPS module, and the GPS module receives GPS satellite positioning navigation information through the GPS receiving antenna, and transmits the received information to the display device 5.
  • the GPS module works with the car cigarette lighter power supply.
  • a switching circuit is provided in the display device 5 for switching the signal input source. Accordingly, the display device 5 is provided with a corresponding control switch 14 and a power switch 15. The signal of the receiving wireless receiving module 2, the signal of the GPS module 3, or the signal input through other video interfaces can be selected by the control switch 14.
  • the display device can be stably placed on a flat surface by the bracket 10. It is also possible to provide a viscous material such as glue, double-sided tape or the like at the bottom of the holder 10, and then fix the holder 10 to a suitable position in the automobile.
  • the wireless receiving module 2 is disposed at the bottom of the display device holder 10.
  • a contact 11 is provided on the bracket 10, and the display device 5 is also provided with a corresponding contact. When the display device 5 is mounted on the stand, the display device 5 can receive the signal of the wireless receiving module 2 through the contact 11, and display it on the screen 8.
  • FIG 8 is a perspective view of the wireless radar transmitting box
  • Figure 9 is an exploded perspective view of the wireless radar transmitting box shown in Figure 8.
  • the wireless radar transmitting box 71 has a wireless transmitting module 2 and a microprocessor 62 built therein; in the implementation, the wireless radar transmitting box 71 can be installed at different positions of the vehicle body according to actual needs or customer needs.
  • the wireless radar transmitting box 71 perfectly combines the real visual effect of the rear view of the automobile with the accuracy of the ultrasonic detection, and superimposes the radar detection information such as text graphics with a clear real rear view image, and is accompanied by a crisp sound, which is timely and clear.
  • the ground prompts the reversing operation, produces an intuitive and convenient, graphic and oscillating effect, and generates a good effect image and sound signal, which is wirelessly transmitted to the wireless receiving module 2 through 2.4G, thereby reproducing the picture and sound through the display device 5.
  • the wireless radar transmitter box can access 4 ultrasonic radar probes to detect obstacles at 4 different angles, and more comprehensively detect and indicate obstacle orientation and distance. It is connected to the camera 1 and the display device 5, respectively.
  • the display device shown in FIG. 10 displays a schematic view of the rear view of the automobile.
  • the wireless radar launching box uses a 12V-24V automobile power supply and is connected to the rear light supply line of the automobile.
  • a 5V regulated power supply is supplied to the camera 1, and power, video signals, and prompt signals are supplied to the display device 5. It uses 4 ultrasonic probes to detect the exact distance of the obstacle and prompts which probe detects the obstacle closest to the distance. That is, the obstacle orientation is indicated.
  • the distance of the obstacle is divided into 4 levels, and the prompts with different rhythms are:
  • the distance and security level are displayed on the display device 5 in a fixed format.
  • the distance display style is **m", which is displayed in the upper left corner position of the display device 5, and the font size is larger;
  • the security level display style is the English character shown above, the font size is large, and the white space is hollow, and is displayed on the display device 5 In the upper right corner, it is flush with the distance character; in the lower row of them, the pull-in state of 4 probes is displayed, and the access display is " ⁇ " or "0", and no access is vacant; the display probe flag is " ⁇ "The distance between the probe and the obstacle is less than 1.2 m.
  • the probe mark is "0"
  • the distance between the probe and the obstacle is greater than 1.2 m; the bottom line of the display device 5 is in the form of a straight dial.
  • Indicates the distance of the obstacle like the Empty to Full, which indicates the distance between the current distance and the current distance of 1.5 meters in a proportional manner.
  • the left side is Near and the right side is Far, which matches The visual habits of ordinary people.
  • the camera 1 and 4 ultrasonic probes are installed at a reasonable position in the rear of the car (where the probe is installed in a position where the car maintenance professional knows the installation position).
  • the probe is snap-fitted and the installation needs to be drilled in the corresponding position so that the probe can be snapped in. Therefore, the random device is sold as an accessory to the customer with a suitable drill bit.
  • the four probes are respectively labeled with B, C, and D labels, and they need to be installed in order during installation.
  • the installation of the camera 1 is the same as that of the previous rear view camera.
  • the wireless radar launching box will be installed in the appropriate position in the car's trunk (determined by the car maintenance professional), and then the probe, camera and power supply wiring will be connected to the wireless radar launching box (except the probe and then the defense) The staying measures will not be misconnected.
  • the probes need to correspond to the interfaces identified by A, B, C, and D on the wireless radar transmitter box in the order of A, B, C, and D in the manual).
  • Power cord must It is connected to the power line of the rear light.
  • reversing will enable the wireless radar launch box machine to work.
  • the display device 5 in front of the car receives the reversing indication screen and sound. Audio and video are transmitted wirelessly at 2.4G. The default is the 4th frequency. The user cannot change the frequency. However, the customer can specify any one of the 1, 2, 3, and 4 frequency points and set it in production.

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

Instrument de rétrovisée pour véhicule comprenant un module GPS (3), un affichage (5), au moins une caméra (1), un détecteur (61) utilisé pour détecter des objets périphériques, un microprocesseur (62) utilisé pour recevoir le signal provenant du détecteur (61), un module (2) d'émission sans fil, un module (22) de réception sans fil et un circuit (4) de commutation. Le module (2) d'émission sans fil est utilisé pour recevoir les signaux radio provenant de la caméra (1) et du microprocesseur (62) en même temps. Le module (22) de réception sans fil reçoit le signal radio émis par le module (2) d'émission sans fil. L'affichage (5) peut sélectivement recevoir et afficher le signal provenant du module GPS (3) ou le signal provenant du module (22) de réception sans fil, la sélection se faisant au moyen du circuit (4) de commutation.
PCT/CN2007/003801 2007-12-27 2008-02-13 Instrument de rétrovisée pour véhicule WO2009082831A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNU2007201964921U CN201174759Y (zh) 2007-12-27 2007-12-27 汽车后视仪
CN200720196492.1 2007-12-27

Publications (1)

Publication Number Publication Date
WO2009082831A1 true WO2009082831A1 (fr) 2009-07-09

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Application Number Title Priority Date Filing Date
PCT/CN2007/003801 WO2009082831A1 (fr) 2007-12-27 2008-02-13 Instrument de rétrovisée pour véhicule

Country Status (2)

Country Link
CN (1) CN201174759Y (fr)
WO (1) WO2009082831A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101860726B (zh) * 2009-04-07 2012-05-30 深圳市高斯贝尔家居智能电子有限公司 一种手持探测装置
CN102756692A (zh) * 2011-04-27 2012-10-31 苏州卡泰克电子科技有限公司 一种具有3g/4g/wifi无线视频记录功能的车载后视镜
CN102416901A (zh) * 2011-11-02 2012-04-18 罗文峰 一种被动唤醒型无线倒车后视系统及其防干扰方法
CN103407408B (zh) * 2013-07-24 2015-07-29 广东丰诺汽车安全科技有限公司 一种基于汽车前视的无线视频传输系统及方法
US20180268697A1 (en) * 2015-12-28 2018-09-20 Tao Lin Portable wireless automotive anti-collision system and data processing method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2324549Y (zh) * 1997-10-10 1999-06-16 成都新迪实业有限责任公司 多探头无线汽车倒车后视防撞雷达
CN2511545Y (zh) * 2001-11-19 2002-09-18 张永财 汽车多功能显示装置
CN2633659Y (zh) * 2003-06-09 2004-08-18 秦皇岛秦冠弧度镜有限公司 汽车货物监视及倒车后视监视控制器
JP2004271465A (ja) * 2003-03-12 2004-09-30 Sanyo Electric Co Ltd 移動体の後方確認装置
CN2867296Y (zh) * 2005-06-29 2007-02-07 严伟文 无线屏幕显示语言提示倒车指示器
CN200965776Y (zh) * 2006-09-14 2007-10-24 比亚迪股份有限公司 一种机动车况及多媒体信息显示装置
CN201008255Y (zh) * 2007-01-16 2008-01-16 深圳市高斯贝尔家居智能电子有限公司 带gps系统的汽车后视仪

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2324549Y (zh) * 1997-10-10 1999-06-16 成都新迪实业有限责任公司 多探头无线汽车倒车后视防撞雷达
CN2511545Y (zh) * 2001-11-19 2002-09-18 张永财 汽车多功能显示装置
JP2004271465A (ja) * 2003-03-12 2004-09-30 Sanyo Electric Co Ltd 移動体の後方確認装置
CN2633659Y (zh) * 2003-06-09 2004-08-18 秦皇岛秦冠弧度镜有限公司 汽车货物监视及倒车后视监视控制器
CN2867296Y (zh) * 2005-06-29 2007-02-07 严伟文 无线屏幕显示语言提示倒车指示器
CN200965776Y (zh) * 2006-09-14 2007-10-24 比亚迪股份有限公司 一种机动车况及多媒体信息显示装置
CN201008255Y (zh) * 2007-01-16 2008-01-16 深圳市高斯贝尔家居智能电子有限公司 带gps系统的汽车后视仪

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