[summary of the invention]
Purpose of the present invention overcomes the deficiencies in the prior art exactly, set up secondary audio frequency and video input interface, be connected on the basis of the rotary main camera of expansion link at this machine of removing, patch secondary camera as required, the secondary camera of expansion can be snake eye video camera, Underwater Camera, endoscopic camera etc., and can increase and connect wireless audio-video receiver and reflector and realize the wireless remote control of secondary camera is received the audio frequency and video function, be suitable for some special occasions, and searched image and acoustic information are stored by the SD storage card.
For achieving the above object, design a kind of portable multifunctional audio video searching instrument, comprise video camera, digital recording video recording storage system, power supply, display, it is characterized in that: digital recording video recording storage system comprises CPU, the I/O input/output terminal, RAM, power supply, wherein, the major-minor audio frequency and video input interface AV1 of I/O input, AV2 handles the back with audio-video signal through CPU and is shown by the prison of the audio and video output interface AV output realization audio/video information of I/O output and monitor, and the sound of image that simultaneously prison is shown and monitoring carries out the internal memory in the digital recording video recording storage system, connects external SD card and realizes information stores and browse; Described digital recording video recording storage system also attended operation keyboard realizes man-machine menu mode dialogue.Operation keyboard also may command electrical micro-machine drives rotating mechanism left rotation and right rotation on the expansion link, rotating mechanism drives the rotation of lens of main camera again and surveys, be attached to the other microtelephone that is provided with of main camera, the voice signal that main camera pickup image signal and microphone pick up inserts the AV1 interface of digital recording video recording storage system jointly; The audio-video signal of the secondary video camera of setting up is inserted by the AV2 interface, perhaps as required wireless audio-video receiver is inserted the AV2 port, secondary video camera inserts wireless audio-video reflector, audio-video signal by the secondary video camera rating of reflector wireless transmission is realized the function of the secondary camera audio frequency and video that the wireless remote control reception is set up to wireless receiver; The AV interface output of digital recording video recording storage system connects LCD prison diagrammatic sketch picture respectively, and audio signal is amplified by power amplifier, the synchronous sound when outputing to the headphone monitor detection; The working power of described digital recording video recording storage system, electrical micro-machine, LCD and audio power amplifier circuit provides by chargeable lithium battery, power-supply system is provided with the unlatching of soft boot-strap circuit control power supply and closes, power-supply system electric weight display circuit also in parallel is to show the battery power consumption state.Described secondary video camera can be selected as required by the user, adopts infrared C CD camera or CMOS camera, comprises snake eye camera probe, Underwater Camera, endoscopic camera or portable AV monitoring camera equipment.Described wireless audio-video reflector is equipped with battery separately.Described power-supply system is formed power supply by lithium battery, and peripheral hardware charger socket can charge to battery.Main camera is infrared C CD camera or CMOS camera.The audio frequency and video input interface of described I/O input is at least 2.Described microphone is provided with the audio frequency pre-amplification circuit.
The present invention compares with prior art, adopt the rotary main camera of body expansion link and set up the expansion secondary camera of the flexible probe rod type of plug-in type flexible pipe, needs according to special occasions also can be provided with a cover wireless audio and video reflector and a receiver, realize the function of wireless remote control transmission search audio frequency and video, that device adopts is telescopic, rotary, hose type, plug-in type, be convenient to make up as required and move and carry.
[embodiment]
Be described further below in conjunction with accompanying drawing.
Electrical system mainly comprises in this instrument: power supply and mains switch control and electric weight show, digital recording video recording storage system, and Keyboard Control operating system, major-minor two cover Camcording systems and a cover prison show monitoring system.Plug receptacle mainly comprises: main shooting AV1 cable socket, secondary shooting AV2 cable socket, charging cable socket, monitor cable socket, display AV cable socket, SD storage card plug-and-pull port.
Structural system mainly comprises in this instrument: the body expansion link is rotary main camera, and form main feeler lever being provided with rotating mechanism with main camera junction, rotating mechanism is convenient to the 360 degree rotation flexibly of camera, the expansion link that adopts can adopt 5 joints or the button aluminium-alloy pipe expansion link with lock of more piece more as required, the outer configuration of flexible rod tube is used for fixing the universal turning bench support of display, the configurable suspender clip suspension ring in the front end of expansion link and rear end, the expansion link tube hub leaves 10 millimeters main camera audio frequency and video lead bullports, the lead of the other microphone of installing that is provided with audio frequency pre-amplification circuit printed panel of main camera and main camera inserts the AV1 interface jointly, export image to display by CPU control through the AV port, voice signal transfers to earphone through audio power amplifier device, monitors and monitoring for operating personnel;
Also can realize expanded function through the external secondary camera of AV2 interface in the device, when secondary camera during directly into the AV2 interface, image automatically switches to picture that secondary camera is taken the photograph; Also wireless audio-video receiver can be inserted the AV2 interface, secondary camera connects wireless audio-video reflector, realizes long-distance wireless remote control transmitting-receiving audio-video signal.The secondary camera of plug-in type can connect the telescopic secondary feeler lever of flexible pipe, to adapt to the detection demand of crooked facility, the interface of secondary camera can patch wired or wireless audio and video video camera such as Underwater Camera, snake eye probe, endoscope probe, wireless probe, flexible pipe video camera or portable AV monitoring etc., the image of looking is searched in remote control be transferred to image and the monitoring sound that this machine of main body surveillance shows and shoots with video-corder.
Above-mentioned major and minor camera can adopt infrared C CD camera or the CMOS first-class camera of making a video recording.
The power-supply system of power supply is by instrument built-in lithium battery group with join charger outward and form, and lithium battery is selected 12V/5AH for use, by three 3.7V/5A lithium battery core tandem compounds, wherein makes up lithium battery configuration protection chip, is provided with over-charge protective, overcurrent protection, short-circuit protection; The charger of peripheral hardware is also established over-charge protective.
Power-supply system electric weight figure in parallel bar display circuit, when battery electric quantity reaches when being full of magnitude of voltage, LED is bright entirely, and when battery electric quantity exhausted, only bright one of LED was to show electrical source consumption state.Power-supply system also is provided with the unlatching of soft boot-strap circuit control power supply, and soft boot-strap circuit is a kind of bistable state boot-strap circuit, promptly triggers once start, triggers once shutdown again, replaces successively, also is provided with low-voltage from shutting down function in boot-strap circuit is used;
Portable multifunctional audio video searching instrument looks like to search seeing image, and monitor simultaneously and searched the ambient sound of looking object, when searching and rescuing detection image, also can carry out manually, automatic camera, dynamically shoot with video-corder memory image and recording, the image photograph video recording recording of storage can be by the storage of SD card, the checking that editor, analysis, printing etc. are stuck on the computer by SD and read of image file.
Important technological parameters:
1) main feeler lever length 0.8m-1.9m (standard configuration)
2) secondary feeler lever length 0.88m-1.6m (flexible pipe 0.25m)
3) main feeler lever collapsing length 1.1m
4) secondary feeler lever collapsing length 0.7m
5) main camera is searched angle ± 80 ° (any automatically controlled adjusting)
6) power supply (master controller is used) DC12V 5A/H (built-in lithium battery group)
7) power supply 2 (wireless launcher is used) DC12V 1800MA/H (built-in lithium battery group)
8) built-in SD card memory capacity 1G (optional)
9) display monitor central monitoring system adjusting angle any (universal turning bench support)
10) minimum search illuminance 0Lux (infrared ray)
11) audio frequency output wear-type monitoring headpone (line traffic control adjusting volume)
12) wireless transmission distance 1000M-2000M (spacious distance)
13) charging form alternating current 220V 50Hz
After the start, system enters the audio video searching state of AV1, the display monitoring picture, can browse by the switching of the mode switch on the controller panel image and the video and audio recording taken, switching to main menu can edit to be provided with and browse, switch to the search interface of AV2 after selecting video to change, can manually take and automatically snap wherein the interface of being searched for:
The video translation function connects major and minor video camera by major and minor audio-video interface, wherein main camera can carry out the left rotation and right rotation search, secondary video camera cooperates wireless transceiver system to realize the wireless remote control function of search, and secondary video camera can be selected for use flexible pipe video camera or Underwater Camera or endoscope to search at varying environment and realize multi-functional expanded application search;
Mode switch: can select desired browsing mode and deletion information or format memory function;
Main menu: can set the time on date, automatically monitoring function switch, take pictures/shooting-recording function, senior setting, withdraw from main menu, senior setup menu also comprises automatic shooting setting, photo pixel, TV standard, withdraws from, and the automatic shooting setting also can comprise following function menu: the region of search is set, the continuous shooting number is set, second number setting, search sensitivity are set at interval; In instrument, insert the SD storage card, can information needed be deposited in the card by main menu and browse, and print the required information file by computer.