WO2020015584A1 - 太阳能无线倒车可视系统 - Google Patents

太阳能无线倒车可视系统 Download PDF

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Publication number
WO2020015584A1
WO2020015584A1 PCT/CN2019/095769 CN2019095769W WO2020015584A1 WO 2020015584 A1 WO2020015584 A1 WO 2020015584A1 CN 2019095769 W CN2019095769 W CN 2019095769W WO 2020015584 A1 WO2020015584 A1 WO 2020015584A1
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WIPO (PCT)
Prior art keywords
vehicle
host
camera
communication module
wireless communication
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PCT/CN2019/095769
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English (en)
French (fr)
Inventor
汪玉华
Original Assignee
汪玉华
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Publication date
Application filed by 汪玉华 filed Critical 汪玉华
Priority to US17/256,345 priority Critical patent/US20210152746A1/en
Publication of WO2020015584A1 publication Critical patent/WO2020015584A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/65—Control of camera operation in relation to power supply
    • H04N23/651—Control of camera operation in relation to power supply for reducing power consumption by affecting camera operations, e.g. sleep mode, hibernation mode or power off of selective parts of the camera
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/20—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/22—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle
    • B60R1/23—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view
    • B60R1/26—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view to the rear of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/04—Mounting of cameras operative during drive; Arrangement of controls thereof relative to the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/10—Registration, licensing, or like devices
    • B60R13/105—Licence- or registration plates, provided with mounting means, e.g. frames, holders, retainers, brackets
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/695—Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/188—Capturing isolated or intermittent images triggered by the occurrence of a predetermined event, e.g. an object reaching a predetermined position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/10—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/20—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
    • B60R2300/806—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for aiding parking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
    • B60R2300/8066—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for monitoring rearward traffic
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • 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
    • G01S13/867—Combination of radar systems with cameras
    • 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
    • G01S2013/9317—Driving backwards
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/003—Transmission of data between radar, sonar or lidar systems and remote stations

Definitions

  • the present disclosure relates to a wireless reversing visual system, and more particularly to a wireless reversing visual system using solar energy as a source of electrical energy.
  • a wireless reversing visual system is known.
  • a camera is installed at the rear of the car, and the video signals collected by the camera are wirelessly transmitted to the display in the car.
  • the driver can observe the situation behind the car through the display to improve driving.
  • the safety and convenience of parking However, if the system is not installed when the car leaves the factory, the user needs to disassemble the relevant parts of the car, attach wires to the camera to get power, and even need to punch holes in the body, which is extremely inconvenient.
  • the present disclosure provides a solar wireless reversing visual system.
  • the technical solutions adopted are as follows:
  • a solar wireless reversing visual system includes an in-vehicle host and an out-of-vehicle host.
  • the in-vehicle host includes a first housing and a first main control circuit device, a display screen device, a distance sensor, and a first housing disposed in the first housing.
  • a wireless communication module, a display device, a first wireless communication module, and a distance sensor are respectively connected to the first main control circuit device;
  • the host outside the vehicle includes a second casing, a camera disposed in the second casing, and a solar battery; Board, battery, second main control circuit device, acceleration sensor and second wireless communication module, camera, solar panel, battery, second wireless communication module and acceleration sensor are respectively connected to the second main control circuit device;
  • the host and the host outside the vehicle transmit instruction information and image data wirelessly.
  • the first main control circuit device of the in-vehicle host is configured to instruct the first wireless when the in-vehicle host is powered on, or when the distance sensor detects an object capable of generating a reflected wave within its sensing range.
  • the communication module sends an instruction to the host outside the vehicle; when the image information transmitted by the second wireless communication module of the host outside the vehicle is received, the display device is activated and the image is displayed, and when the image information is not received within the prescribed number of seconds To turn off the display.
  • the second main control circuit device of the in-vehicle host is configured to: when receiving a command from the first wireless communication module of the in-vehicle host, start the camera and the second wireless communication module, and capture the captured image
  • the information is sent to the host in the vehicle; the camera is turned off when the camera has reached the specified number of seconds; and the host outside the vehicle enters the standby state when the acceleration sensor detects vehicle vibration or position movement.
  • the first wireless communication module sends an instruction to the out-of-vehicle host, and the out-of-vehicle host is receiving
  • the camera is started to take a picture, and the obtained image data is transmitted to the vehicle host through the second wireless communication module.
  • a fixed number of seconds is set. Each time the host outside the vehicle receives an instruction, it only transmits the image data of the fixed number of seconds to the host inside the vehicle, and it automatically terminates after the transmission.
  • the acceleration sensor of the host outside the vehicle detects vehicle vibration or position movement
  • the host outside the vehicle enters a standby state and waits for an instruction from the host inside the vehicle.
  • the acceleration sensor does not detect it for a preset period of time
  • the host outside the vehicle enters a sleep state that saves energy and no longer receives instructions from the host inside the vehicle.
  • the second shell of the main body of the vehicle outside has a license plate frame shape and a device installed at the rear of the automobile.
  • the license plate frame shape has the same shape and size as the automobile license plate.
  • the middle part is a space where the license plate number is exposed.
  • a space is formed to house the camera, solar panel, battery, second main control circuit device, acceleration sensor, and second wireless communication module.
  • the distance sensor of the host in the vehicle is an infrared distance sensor, or an ultrasonic distance sensor, or a laser distance sensor.
  • the camera in the second casing of the main body of the vehicle is provided with a rotating mechanism for adjusting the imaging angle of the camera.
  • the rotation mechanism for adjusting the camera angle of the camera includes a rotation mechanism that rotates horizontally to the left and right and vertically to the top and bottom, and the rotation mechanism further includes a locking mechanism that locks the camera at a selected imaging angle.
  • the present disclosure addresses the shortcomings in the prior art, and invents a method of using a solar cell to power a camera, making installation and use more convenient.
  • a method of using a solar cell to power a camera making installation and use more convenient.
  • energy saving can be achieved.
  • FIG. 1 is an in-vehicle host of the solar wireless reversing visual system of the present disclosure.
  • FIG. 2 is an off-vehicle host of the solar wireless reversing visual system of the present disclosure.
  • FIG. 3 is a principle block diagram of an in-vehicle host of the solar wireless reversing visual system of the present disclosure.
  • FIG. 4 is a principle block diagram of an off-vehicle host of the solar wireless reversing visual system of the present disclosure.
  • the present disclosure provides a solar wireless reversing visual system. As shown in the drawings, it includes an in-vehicle host 1 and an out-of-vehicle host 2.
  • the in-vehicle host 1 includes a first casing 11, a display screen device 12, a distance sensor 13, a first main control circuit device 25, and a first wireless communication module 14 disposed in the first casing 11.
  • the first wireless communication module 14, the display screen device 12, and the distance sensor 13 are connected to the first main control circuit device 25, respectively.
  • the off-vehicle host 2 includes a second casing 21 and a camera 22, a solar panel 23, a battery 24, a second main control circuit device 25 ′, an acceleration sensor 26, and a second wireless communication module 27 provided in the second casing 21. .
  • the camera 22, the solar panel 23, the battery 24, the acceleration sensor 26, and the second wireless communication module 27 are connected to the second main control circuit device 25 ', respectively.
  • the in-vehicle host 1 and the out-of-vehicle host 2 wirelessly transmit instruction information and image information data.
  • the first main control circuit device 25 of the in-vehicle host 1 is configured to instruct the first wireless when the in-vehicle host 1 is powered on, or when the distance sensor 13 detects an object capable of generating a reflected wave within its sensing range.
  • the communication module 14 sends an instruction to the host 2 outside the vehicle; when receiving the image information transmitted from the second wireless communication module 27 of the host 2 outside the vehicle, the display device 12 is activated and the image is displayed; In the case of image information, the display device 12 is turned off.
  • the second main control circuit device 25 ′ of the host 2 outside the vehicle is configured to: when receiving an instruction from the first wireless communication module 14 of the host 1 inside the vehicle, activate the camera 22 and the second wireless communication module 27 and The obtained image information is sent to the in-vehicle host 1; the camera 22 is turned off when the working time of the camera 22 reaches a predetermined number of seconds; and when the acceleration sensor 26 detects the vehicle vibration or the position is moved, the outside host 2 enters the standby state.
  • the in-vehicle host 1 can be installed on the windshield or the instrument panel in front of the driver of the vehicle through a mounting bracket to facilitate the use and operation of the driver. Its power can be taken from the car's cigarette lighter socket, or other power sources.
  • the main body 2 of the vehicle is installed outside the vehicle behind the vehicle. Since the solar cell panel 23 is used as a source of electric energy, there is no need to disassemble the relevant position of the vehicle to take power from the circuit inside the vehicle, which greatly reduces the damage to the body .
  • the off-vehicle host 2 can be mounted on the car by a double-sided adhesive sheet, a magnet, or other methods.
  • the off-vehicle host 2 of the present disclosure provides a number of improvements in terms of energy saving, enabling it to be implemented in practice.
  • the host 1 in the car is turned off.
  • the acceleration sensor 26 of the host 2 outside the car detects that the car has been in a specified long time (for example, 30 minutes, it can also be other times)
  • the host 2 outside the vehicle enters an energy-saving state.
  • the second wireless communication module 27 and the camera 22 cancel standby, and at the same time, the host 2 outside the vehicle enters a power-saving sleep state. instruction.
  • only the acceleration sensor 26 in the off-vehicle host 2 is in a standby state, and other components are in a sleep state, so power consumption is small.
  • the acceleration sensor 26 of the host 2 outside the vehicle detects the vibration or position movement of the vehicle caused by the driver's action. Status, waiting for a command from the host 1 in the vehicle.
  • the host 1 in the car starts and automatically sends a command to the host 2 outside the car through the first wireless communication module 14 to obtain the image information
  • the host 2 outside the vehicle starts the camera 22
  • the second wireless communication module 27 transmits the image information captured by the camera 22 to the host 1 in the vehicle, and the image is displayed on the display device 12 for the driver to watch. It is convenient for the driver to grasp the situation behind the car.
  • a preset number of seconds such as 30 seconds (or other seconds)
  • the host 2 outside the vehicle turns off the camera 22, the image transmission is terminated, and the display 12 of the host 1 in the vehicle automatically turns off.
  • the distance sensor 13 of the host 1 in the vehicle is used to detect whether there is an object (such as a waving human hand or other object) that can generate a reflected wave within its sensing range.
  • an object such as a waving human hand or other object
  • the distance sensor 13 detects that an object is When it is within the detection range, it is considered that the driver needs to observe the image behind the vehicle.
  • the first wireless communication module 14 sends a command to the host 2 to obtain the image after the vehicle. After receiving the command, the host 2 starts the camera 22.
  • the image data captured by the camera 22 is wirelessly transmitted to the in-vehicle host 1, the display screen device 12 is automatically activated, and the image is displayed by the display screen 12 for the driver to watch, so that the driver can grasp the situation behind the vehicle.
  • a preset number of seconds such as 30 seconds (or other seconds)
  • the host 2 outside the vehicle turns off the camera 22, the image transmission is terminated, and the display 12 of the host 1 in the vehicle automatically turns off.
  • the second housing 21 of the vehicle main body 2 has a license plate frame shape and a device installed at the rear of the automobile.
  • the license plate frame shape has the same shape and size as the automobile license plate, and the middle part of the license plate is exposed.
  • the space 28 of the number has a mounting hole 29 consistent with the shape of the license plate, and the periphery is formed to accommodate the camera 22, the solar panel 23, the battery 24, the second main control circuit device 25 ', the acceleration sensor 26, and the second wireless Space for communication module 27.
  • the space is a slender bar-shaped space, which is turned in a 90 ° angle in turn to form a rectangular frame shape consistent with the shape of the license plate.
  • the camera 22 When arranging the positions of the components in the space, it goes without saying that the camera 22 should be in a proper position and have a suitable imaging angle.
  • the solar panel 23 should be in a position that can most receive sunlight.
  • the entire off-board main unit 2 must be waterproof and weather-resistant.
  • the distance sensor 13 of the in-vehicle host 1 may use an infrared distance sensor, an ultrasonic distance sensor, or a laser distance sensor.
  • the camera 22 in the second casing 21 of the vehicle main body 2 can also be designed as a rotating mechanism for adjusting the camera's imaging angle, so as to align the camera to a desired target.
  • the rotation mechanism may include a rotation mechanism that rotates left and right horizontally and vertically, and further includes a locking mechanism that locks the camera at a selected imaging angle (these mechanisms are not shown in the drawings).

Abstract

公开了一种太阳能无线倒车可视系统，其包括车内主机（1）和车外主机（2），车内主机（1）包括第一壳体（11）以及设置在第一壳体内的显示屏装置（12）、距离传感器（13）、第一主控电路装置（25）和第一无线通信模块（14），显示屏装置（12）、第一无线通信模块（14）、和距离传感器（13）分别与第一主控电路装置（25）连接；车外主机（2）包括第二壳体（21）以及设置在第二壳体（21）内的摄像头（22）、太阳能电池板（23）、蓄电池（24）、第二主控电路装置（25'）、加速度传感器（26）和第二无线通信模块（27），摄像头（22）、太阳能电池板（23）、蓄电池（24）、第二无线通信模块（27）和加速度传感器（26）分别与第二主控电路装置（25'）连接；车内主机（1）与车外主机（2）通过无线方式传送指令及图像数据。

Description

太阳能无线倒车可视系统 技术领域
本公开涉及无线倒车可视系统，尤其涉及一种使用太阳能作为电能来源的无线倒车可视系统。
背景技术
已知一种无线倒车可视系统，通常是将摄像头安装于汽车尾部，通过无线方式将摄像头采集到的视频信号传送到车内的显示器，司机通过显示器就可以观察到车后方的情况，提高行车的安全性和泊车的方便性。但若是汽车出厂时未安装好此系统，用户加装时需要拆开汽车相关部位，搭接导线为摄像头取电，甚至需要在车身打孔，极为不方便。
公开内容
为克服上述缺点，本公开提供一种太阳能无线倒车可视系统，所采用的技术方案如下：
一种太阳能无线倒车可视系统包括车内主机和车外主机，所述车内主机包括第一壳体以及设置在第一壳体内的第一主控电路装置、显示屏装置、距离传感器和第一无线通信模块，显示屏装置、第一无线通信模块、和距离传感器分别与第一主控电路装置连接；所述车外主机包括第二壳体以及设置在第二壳体内的摄像头、太阳能电池板、蓄电池、第二主控电路装置、加速度传感器和第二无线通信模块，摄像头、太阳能电池板、蓄电池、第二无线通信模块和加速度传感器分别与第二主控电路装置连接；所述车内主机与车外主机通过无线方式传送指令信息及图像数据。
其中，所述车内主机的第一主控电路装置构造成：当车内主机接通电源时、或在距离传感器检测到在其感应范围内有能够产生反射波的物体时，指令第一无线通信模块向所述车外主机发送指令；当收到车外主机的第二无线通信模块传送来的影像信息时，启动显示屏装置并显示影像，以及当达到规定秒数收不到影像信息时，关闭显示屏。
其中，所述车内主机的第二主控电路装置构造成：当收到车内主机的第一无线通信模块发来的指令时，启动摄像头和第二无线通信模块，并且把摄得的影像信息发送到车内主机；当摄像头工作时长达到规定秒数后将摄像头关闭；以及当加速度传感器检测到车辆震动或位置移动时，使车外主机进入待机状态。
其中，所述车内主机的距离传感器检测到在其感应范围内有能够产生反射波的物体时，通过所述第一无线通信模块向所述车外主机发送指令，所述车外主机在接收到指令时启动摄像头进行摄像，并将所得影像数据通过所述第二无线通信模块传送给车内主机。
其中：设置一个固定的秒数，所述车外主机每次收到指令只传送该固定秒数时长的影像数据给车内主机，传送完后自动终止。
其中，当所述车外主机的加速度传感器检测到车辆震动或位置移动时，车外主机进入待机状态，等待来自车内主机的指令，当所述加速度传感器在预设的一段时间内没有检测到车辆震动或位置移动时，车外主机进入节省电能的睡眠状态，不再接收来自车内主机的指令。
其中，所述车外主机的第二壳体具有车牌框造型和在汽车尾部安装的装置，所述车牌框造型具有和汽车车牌一致的形状和尺寸，其中部是显露车牌号码的空位，其四周形成容纳所述摄像头、太阳能电池板、蓄电池、第二主控电路装置、加速度传感器和第二无线通信模块的空间。
其中，所述车内主机的距离传感器使用红外距离传感器，或者使用超声波距离传感器，或者使用激光距离传感器。
其中，在所述车外主机的第二壳体中的摄像头设置有调节摄像头的摄像角度的旋转机构。
其中。所述调节摄像头的摄像角度的旋转机构包括水平向左右旋转和竖向上下旋转的旋转机构，并且该旋转机构还包括把摄像头锁定在所选的摄像角度的锁定机构。
本公开针对现有技术中的缺点，发明了用太阳能电池为摄像头供电的方法，使安装和使用更加方便。此外，通过合理设置车内主机和车外主机的交互方式，可以实现电能的节省。
附图说明
图1是本公开的太阳能无线倒车可视系统的车内主机。
图2是本公开的太阳能无线倒车可视系统的车外主机。
图3是本公开的太阳能无线倒车可视系统的车内主机的原理方框图。
图4是本公开的太阳能无线倒车可视系统的车外主机的原理方框图。
图中各标号的含义分别是：
1、车内主机
2、车外主机
11、第一壳体
12、显示屏装置
13、距离传感器
14、第一无线通信模块
21、第二壳体
22、摄像头装置
23、太阳能电池板
24、蓄电池
25、第一主控电路装置
25’、第二主控电路装置
26、加速度传感器
27、第二无线通信模块
28、供显露车牌号的空位
29、车外主机的安装孔。
具体实施方式
下面结合附图，对本公开的实施例作进一步详述。
本公开提供一种太阳能无线倒车可视系统，如附图所示，它包括车内主机1和车外主机2。车内主机1包括第一壳体11以及设置在第一壳体11内的显示屏装置12、距离传感器13、第一主控电路装置25和第一无线通信模块14。第一 无线通信模块14、显示屏装置12和距离传感器13分别与第一主控电路装置25连接。车外主机2包括第二壳体21以及设置在第二壳体21内的摄像头22、太阳能电池板23、蓄电池24、第二主控电路装置25’、加速度传感器26和第二无线通信模块27。摄像头22、太阳能电池板23、蓄电池24、加速度传感器26和第二无线通信模块27分别与第二主控电路装置25’连接。车内主机1与车外主机2通过无线方式传送指令信息及图像信息数据。
车内主机1的第一主控电路装置25构造成：当车内主机1接通电源时、或在距离传感器13检测到在其感应范围内有能够产生反射波的物体时，指令第一无线通信模块14向车外主机2发送指令；当收到车外主机2的第二无线通信模块27传送来的影像信息时，启动显示屏装置12并显示影像；以及当达到规定秒数收不到影像信息时，关闭显示屏装置12。
车外主机2的第二主控电路装置25’构造成：当收到车内主机1的第一无线通信模块14发来的指令时，启动摄像头22和第二无线通信模块27，并且把摄得的影像信息发送到车内主机1；当摄像头22工作时长达到规定秒数后将摄像头22关闭；以及当加速度传感器26检测到车辆震动或位置移动时，使车外主机2进入待机状态。
车内主机1可通过安装支架安装于汽车内部驾驶员前方的挡风玻璃上或是仪表板上，以方便驾驶员使用和操作。其电源可取自汽车点烟器插口，或其它取电方式。车外主机2安装于汽车后方的车外，由于采用了太阳能电池板23作为其电能的来源，所以不需要拆开汽车的相关位置从车内的电路取电，大大减小了对车身的破坏。车外主机2可通过双面胶粘片、磁铁或其他方法安装到汽车上。安装好车外主机2之后，当环境光线强度达到太阳能电池板23工作所需的光线强度时，太阳能电源板23开始发电，所发电能储存在蓄电池24之中。由于太阳能电池板23所产生的电量有限，本公开的车外主机2在节省电能方面提供了多项改进，使之能在实用中实施。
本太阳能无线倒车可视系统的工作流程举例：
1)当汽车前一次使用后熄火停泊静止时，车内主机1关机，当所述车外主机2的加速度传感器26检测到汽车在规定的较长时间(例如30分钟，也可以是其他时间)未发生震动或位置移动时，车外主机2进入节能状态，此时第二 无线通信模块27，摄像头22取消待机，同时车外主机2进入节省电能的睡眠状态，不再接收来自车内主机的指令。这时，车外主机2中只有加速度传感器26处于待机状态，其他部件处于睡眠状态，因此耗电量很少。
2)当驾驶员打开车门坐进车内准备开车时，车外主机2的加速度传感器26检测到由驾驶员的动作引起的车体震动或位置移动，此时车外主机2由睡眠状态进入待机状态，等待来自车内主机1的指令。
3)当驾驶员发动汽车，同时车内主机1从汽车的电系统获得电源，车内主机1开机并自动通过第一无线通信模块14向车外主机2发送1次指令以获取车后影像信息，车外主机2接收到指令后启动摄像头22，并由第二无线通信模块27将摄像头22所拍摄的影像信息传送给车内主机1，并由显示屏装置12显示影像供驾驶员观看，以方便驾驶员掌握车后的情况。为节省电能，经过一个预设的秒数，比如30秒(也可以是其他秒数)之后车外主机2关闭摄像头22，影像传送终止，车内主机1的显示屏12自动关闭。
4)车内主机1的距离传感器13用于检测在其感应范围内有无能够产生反射波的物体(比如挥动的人手或其它物件)。当汽车行驶过程中，或汽车准备停在泊车位时，驾驶员需要观察汽车后方影像时，只需将手(或其它物件)在车内主机1前遮挡挥动，距离传感器13检测到有物体在其检测范围内时，则认为驾驶员需要观察车后方影像，此时通过第一无线通信模块14向车外主机2发送指令以获取车后影像，车外主机2接收到指令后启动摄像头22，并将摄像头22所拍摄的影像数据无线传送给车内主机1，显示屏装置12自动启动，并由显示屏12显示影像给驾驶员观看，以方便驾驶员掌握车后情况。为节省电能，经过一个预设的秒数，比如30秒(也可以是其他秒数)之后车外主机2关闭摄像头22，影像传送终止，车内主机1的显示屏12自动关闭。
在优选实施例中，所述车外主机2的第二壳体21具有车牌框造型和在汽车尾部安装的装置，所述车牌框造型具有和汽车车牌一致的形状和尺寸，其中部是显露车牌号码的空位28，并具有与车牌造型一致的安装孔位29，其四周形成容纳所述摄像头22、太阳能电池板23、蓄电池24、第二主控电路装置25’、加速度传感器26和第二无线通信模块27的空间。该空间是细长条形空间,并且依次转90°角而围成长方形的、和车牌造型一致的框形。在安排各部件在该空间内 的位置时，不言而喻，摄像头22应在适当位置并具有适合的摄像角度。而太阳能电池板23应在最能接受阳光的位置。整个车外主机2必须是防水、耐气候的。
本公开的太阳能无线倒车可视系统中，所述车内主机1的距离传感器13可使用红外距离传感器，亦可使用超声波距离传感器，或是激光距离传感器。
车外主机2的第二壳体21中的摄像头22还可以设计成具有调节摄像头的摄像角度的旋转机构，用以使摄像头对准需要的目标。该旋转机构可包括水平向左右旋转和竖向上下旋转的旋转机构，并且该旋转机构还可包括把摄像头锁定在所选的摄像角度的锁定机构(此等机构未在附图中示出)。

Claims (10)

  1. 一种太阳能无线倒车可视系统，包括车内主机和车外主机，其特征在于，所述车内主机包括第一壳体以及设置在第一壳体内的第一主控电路装置、显示屏装置、距离传感器和第一无线通信模块，显示屏装置、第一无线通信模块、和距离传感器分别与第一主控电路装置连接；所述车外主机包括第二壳体以及设置在第二壳体内的摄像头、太阳能电池板、蓄电池、第二主控电路装置、加速度传感器和第二无线通信模块，摄像头、太阳能电池板、蓄电池、第二无线通信模块和加速度传感器分别与第二主控电路装置连接；所述车内主机与所述车外主机通过无线方式传送指令信息及图像数据。
  2. 根据权利要求1所述的太阳能无线倒车可视系统，其中：所述车内主机的第一主控电路装置构造成：当车内主机接通电源时、或在距离传感器检测到在其感应范围内有能够产生反射波的物体时，指令第一无线通信模块向所述车外主机发送指令；当收到车外主机的第二无线通信模块传送来的影像信息时，启动显示屏装置并显示影像，以及当达到规定秒数收不到影像信息时，关闭显示屏。
  3. 根据权利要求1所述的太阳能无线倒车可视系统，其中：所述车外主机的第二主控电路装置构造成：当收到车内主机的第一无线通信模块发来的指令时，启动摄像头和第二无线通信模块，并且把摄得的影像信息发送到车内主机；当摄像头工作时长达到规定秒数后将摄像头关闭；以及当加速度传感器检测到车辆震动或位置移动时，使车外主机进入待机状态。
  4. 根据权利要求1所述的太阳能无线倒车可视系统，其中：所述车内主机的距离传感器检测到在其感应范围内有能够产生反射波的物体时，通过所述第一无线通信模块向所述车外主机发送指令，所述车外主 机在接收到指令时启动摄像头进行摄像，并将所得影像数据通过所述第二无线通信模块传送给车内主机。
  5. 根据权利要求1所述的太阳能无线倒车可视系统，其中：设置一个固定的秒数，所述车外主机每次收到指令只传送该固定秒数时长的影像数据给车内主机，传送完后自动终止。
  6. 根据权利要求1所述的太阳能无线倒车可视系统，其中：当所述车外主机的加速度传感器检测到车辆震动或位置移动时，车外主机进入待机状态，等待来自车内主机的指令，当所述加速度传感器在预设的一段时间内没有检测到车辆震动或位置移动时，车外主机进入节省电能的睡眠状态，不再接收来自车内主机的指令。
  7. 根据权利要求1所述的太阳能无线倒车可视系统，其中：所述车外主机的第二壳体具有车牌框造型和在汽车尾部安装的装置，所述车牌框造型具有和汽车车牌一致的形状和尺寸，其中部是显露车牌号码的空位，其四周形成容纳所述摄像头、太阳能电池板、蓄电池、第二主控电路装置、加速度传感器和第二无线通信模块的空间。
  8. 根据权利要求1所述的太阳能无线倒车可视系统，其中：所述车内主机的距离传感器使用红外距离传感器，或者使用超声波距离传感器，或者使用激光距离传感器。
  9. 根据权利要求1所述的太阳能无线倒车可视系统，其中：在所述车外主机的第二壳体中的摄像头设置有调节摄像头的摄像角度的旋转机构。
  10. 根据权利要求9所述的太阳能无线倒车可视系统，其中：所述调节摄像头的摄像角度的旋转机构包括水平向左右旋转和竖向上下旋转 的旋转机构，并且该旋转机构还包括把摄像头锁定在所选的摄像角度的锁定机构。
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