CN201219289Y

CN201219289Y - Evidence obtaining recording instrument

Info

Publication number: CN201219289Y
Application number: CNU2008200498924U
Authority: CN
Inventors: 王斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-06-27
Filing date: 2008-06-27
Publication date: 2009-04-08
Anticipated expiration: 2018-06-27

Abstract

An evidence-obtaining recorder belongs to an audio and video recording device for alarm use, relating to a portable integrated evidence-obtaining recorder, which has prompt function on shooting directions and is conveniently clamped on an pocket of police uniform for use. The utility model comprises a camera, a microphone, a main circuit board, a battery and case; the camera is mounted on a front of the case, the microphone is mounted on a side of the case, the main circuit board and the cell are mounted in the case; a laser aiming light is arranged on the front of the case, an elastic slide bar nip is arranged on the back of the case. A switch key and a USB interface jack are arranged on the side of the case, a reset key is arranged at the bottom of the case; a CCD signal processing chip, an audio signal processing chip, a CPU chip, a storage chip, a USB communication chip, a power management chip, a laser diode driving circuit, a laser diode, a blue light LED and a red light LED are arranged on the main circuit board. The utility model is suitable for the policemen to use in attendance.

Description

The evidence obtaining recorder

Technical field

The utility model belongs to alert use equipment, especially a kind of video and audio recording device of being carried by the police.

Background technology

The police carries out investigation in the spot need carry out image and SoundRec to site environment or personnel concerning the case.Various recording equipments are arranged in the prior art, these recording equipments generally comprise minisize pick-up head, microphone, data processing section, storage part and power unit, the evidence-obtaining device that being made of one wherein arranged can be contained on the cap or ensconce in the pocket and use; Each parts of handlebar evidence-obtaining device disperse to ensconce each position of police uniform make hidden equipment or the like; True objective on-the-spot material provides convenience to these image and sound recording equipment for the police obtains.But this kind equipment is not owing to be to position by hand-held, and the user can not learn that whether accurately in the face of the purpose object, there is the not high enough shortcoming of accuracy of evidence obtaining in camera, this be need carry out improved.

The utility model content

The purpose of this utility model provides a kind of portable integrated evidence obtaining recorder, and it has shooting direction prompt facility, and can be clipped in easily on the police uniform pocket mouth and use.

The utility model comprises camera, microphone, main circuit board, battery and housing; Camera is installed in the housing front, and microphone is installed in the housing side, and main circuit board and battery are installed in the housing the inside; In the housing front laser aiming lamp is arranged, retractable slide bar type folder hook is arranged at back side of shell; Also have switch key and interface socket in the housing side, reset key is arranged in the housing bottom surface.

Circuit structure of the present utility model is: main circuit board has ccd signal process chip, Audio Signal Processing chip, cpu chip, memory chip, laser tube drive circuit, USB communication chip and power management chip; The output of ccd signal process chip is connected to described cpu chip, and its input is connected to camera; The output of Audio Signal Processing chip is connected to cpu chip, and its input is connected to microphone; The data wire of described memory chip and address wire all are connected to cpu chip; The input of laser diode driver circuit is connected to cpu chip, and its output is connected to the laser diode in the laser aiming lamp; The usb communication chip is connected to cpu chip and usb socket; Power management chip is connected to battery and usb socket, and its power output end is connected respectively to the power input of each chip; Cpu chip is also connected to start key, reset key and relay indicating light.

The evidence obtaining recorder is when work, the laser aiming lamp that is contained in the housing front forwards penetrates a branch of ruddiness off and on, on target object or target body, manifest half centimetre of a diameter off and on interior hot spot, the policeman can judge easily whether camera lens captures to be clapped object and whether the evidence obtaining instrument is working and take corresponding stance adjustment or action that camera lens is aimed at the mark again or start again thereupon when carrying out work with main energy in the face of target object or target body.

Description of drawings

Below in conjunction with embodiment and accompanying drawing the utility model is described in more detail.

Fig. 1 is the outside drawing in the utility model embodiment the place ahead;

Fig. 2 is the right view of embodiment;

Fig. 3 is the rearview of embodiment;

Fig. 4 is the left view of embodiment;

Fig. 5 is the upward view of embodiment;

Fig. 6 is the schematic diagram that the litter formula folder hook of embodiment is all pulled out;

Fig. 7 is that the evidence obtaining recorder is clipped in the schematic diagram of also using one-handed performance on the police uniform;

Fig. 8 is the circuit structure diagram of embodiment.

Embodiment

Referring to Fig. 1 to Fig. 6, the housing 1 usefulness engineering plastics of evidence obtaining recorder are made, and have very high mechanical strength; A slide bar type folder hook 2 is arranged above housing 1 back side, this litter formula folder hook 2 also is to make with engineering plastics, it is connected with housing 1 with friction mode, and litter formula folder hook 2 is used for the evidence obtaining recorder is fixed on the coat pocket of police uniform, and it can elongate or shorten to adapt to the different height of taking pictures.Housing 1 front is equipped with a minisize pick-up head 3 and a laser aiming lamp 4; There is a microphone sound transmission aperture 7 on housing 1 left side by the top, and there is a usb socket 8 on housing 1 left side by the below; There is a relay indicating light 5 on housing 1 right side by the top, and there is a start key 6 on housing 1 right side by the below; There is a reset key 9 housing 1 bottom surface.

Minisize pick-up head 3 is 420 multi-color cord CCD cameras, and it has 60 ° of angles of visual field; The light source of laser aiming lamp 4 is laser diodes 19 of a redness, laser aiming lamp 4 is used to refer to camera lens institute correspondence position under the pattern of shooting with video-corder of evidence obtaining recorder, provide reference to the policeman, it sends the pulse flash of light with about 2 seconds cycle under the control of system; Microphone sound transmission aperture 7 is used to gather sound and sends into the interior microphone 17 of machine; Usb socket 8 is used for the evidence obtaining recorder is connected to computer so that transmit data and give the charging of evidence obtaining recorder; Relay indicating light 5 is used to indicate the operating state of evidence obtaining recorder: glowing is that charged state, blue light-emitting are open state; Start key 6 is designed to singly touch multi-functional, is used to control operations such as start, shooting, time-out, shutdown; Reset key 9 is used for system's resetting in abnormal condition (deadlock).

Referring to Fig. 7, the evidence obtaining recorder relies on litter formula folder hook to be fixed on the coat pocket outside of police uniform, the length of adjusting litter formula folder hook on demand gets final product, owing to be single key stroke, the start key is in evidence obtaining recorder below again, just can control instrument quickly and easily so only need pinch the instrument bottom with two fingers of a hand.

Below to the evidence obtaining recorder circuit structure elaborate.

The main circuit board of evidence obtaining recorder, battery etc. all are installed in inside the housing, are furnished with Audio Signal Processing chip, cpu chip, memory chip, USB communication chip, power management chip and laser diode driver circuit and laser diode on the main circuit board; Distributions such as relay indicating light, start key, reset key, microphone and usb socket are welded on the edge of main circuit board.

Referring to Fig. 8, cpu chip 10 adopts PIC16 series microprocessor, the advantage that have the clock frequency height, is difficult for being cracked.Ccd signal process chip 15 independently is connected to main circuit board on the video capture circuit plate with the common integrated a slice that is installed in of the ccd sensor of camera 3, and they are transformed into the optical activities image data flow and are sent to cpu chip 10; Send cpu chip to after the faint voice signal that Audio Signal Processing chip 18 is collected microphone 17 is amplified and carry out analog/digital conversion, cpu chip 10 generates the evidence obtaining material that meets the 3GP video format to video and audio digital signals coding.Memory chip 11 is that a slice capacity is the flash memory of 2Gb, and its data wire and address wire all are connected to cpu chip, and the 3GP formatted file is deposited in the memory chip 11.Laser diode 19 drive circuits are electronic switches, and its input is connected to cpu chip 10, and its output is connected to the laser diode 19 in the laser aiming lamp 4.The data wire of usb communication chip is connected to cpu chip and usb socket 8, and the usb communication chip provides the ability of evidence obtaining recorder with the computer exchange high speed data.Power management chip 14 is a slice low-power consumption chips that boost, its power output end is connected respectively to the power input of each chip, it 3.6V battery 21 voltage transitions one-tenth+5V and+two kinds of burning voltages of 3.3V provide working power and to battery 21 chargings, it has the ability that changes park mode automatically over to and regulate charging current automatically to each chip and circuit; Power management chip 14 is connected to battery 21 and usb socket 8, and when evidence obtaining recorder when being connected with computer, the recorder of collecting evidence is from the work to take power of USB mouth and begin battery 21 is charged.Cpu chip 10 is also connected to start key 6, reset key 9; Start key 6 is set by firmware has the single key stroke function: long clicking enters the start operating state, and whenever short more later on clicking can start or stop video recording, and length clicks and can shut down again; Just in case unusual the deadlock appears in system works, can push reset key 9 and start shooting again; On main circuit board, be furnished with red-light LED 24 and blue-ray LED 25, they are light sources of relay indicating light 5, they all are connected the operating state that is used to indicate the evidence obtaining recorder with cpu chip 10: being the open state of instrument when blue-ray LED 24 is lighted, is the charged state of instrument when red-light LED 25 is lighted.

Claims

One kind the evidence obtaining recorder, it comprises camera (3), microphone (17), main circuit board, battery (21) and housing (1); Described camera (3) is installed in described housing (1) front, and described microphone (17) is installed in housing (1) side, and described main circuit board and described battery (21) are installed in housing (1) the inside; It is characterized in that: in housing (1) front laser aiming lamp (4) is arranged, retractable slide bar type folder hook (2) is arranged at housing (1) back side.
2. evidence obtaining recorder according to claim 1 is characterized in that: start shooting in addition in described housing (1) side key (6) and usb socket (8) have reset key (9) in housing (1) bottom surface.
3. evidence obtaining recorder according to claim 1 and 2 is characterized in that: described main circuit board has ccd signal process chip (15), Audio Signal Processing chip (18), cpu chip (10), memory chip (11), laser diode (19) drive circuit (20), USB communication chip (13) and power management chip (14); The output of described ccd signal process chip (15) is connected to described cpu chip (10), and its input is connected to camera (3); The output of described Audio Signal Processing chip (18) is connected to cpu chip (10), and its input is connected to microphone (17); The data wire of described memory chip (11) and address wire all are connected to cpu chip (10); The input of described laser tube drive circuit (20) is connected to cpu chip (10), and its output is connected to the laser diode (19) in the laser aiming lamp (4); Described usb communication chip (13) is connected to cpu chip (10) and usb socket (8); Described power management chip (14) is connected to battery (21) and usb socket (8), and its power output end is connected respectively to the power input of each chip; Cpu chip (10) is also connected to start key (6), reset key (9) and relay indicating light (5).