CN201153303Y

CN201153303Y - Micro monitoring image recording apparatus

Info

Publication number: CN201153303Y
Application number: CNU2008200922076U
Authority: CN
Inventors: 孙琦; 席海东
Original assignee: SHENZHEN K-DING TECHNOLOGY Co Ltd
Current assignee: SHENZHEN K-DING TECHNOLOGY Co Ltd
Priority date: 2008-01-31
Filing date: 2008-01-31
Publication date: 2008-11-19
Anticipated expiration: 2018-01-31

Abstract

The utility model provides a micro monitoring and image-storing device which is applicable to the security-monitoring field. The device comprises a built-in camera for capturing video analog signals, a video signal A/D converter which is connected with the camera and performs analog/digital conversion to the video analog signals, a CPU which is connected with the video signal A/D converter, a video signal processor which is connected with the CPU, a chip microprocessor which is connected with the CPU and alternately controls the signals together with the CPU, a program/voice and video data storage device which is used for storing the software program code of the device and voice/video data and is connected with the CPU, and an alarming signal coder which is connected with the chip microprocessor. The micro monitoring and image-storing device can realize the integral functions for picture recording, storing, broadcasting and joint alarm. Compared with the prior art, the volume of the device is reduced, and the product cost is lowered.

Description

A kind of miniature monitoring video device

Technical field

The utility model belongs to safety-security area, relates in particular to a kind of miniature monitoring video device.

Background technology

Society develops more, and people will be concerned about more to self environmentAL safety of living in, also will be urgent more to the demand of safety-protection system.The technological means of uses advanced; the contingent intrusion behavior of warning in certain area coverage; coherent video is in time caught and is write down in the warning that takes place; the personnel and the vehicle that pass in and out important building are realized effectively monitoring video automatically; provide effective protection etc. to household safe, these all are the safety-protection system parts of exhibiting one's skill to the full.

At safety-security area, the product that is used for safety-protection system comprises television monitoring equipment and warning device, and the former realizes monitoring the functions such as deposit, search playback, image backup that show, record a video, and the latter is implemented in the warning function when detecting invasion or threatening safety behavior.In the prior art, the television monitoring equipment of safety-protection system is video tape recorder or video camera, but video tape recorder and video camera are separately to use, and warning device is confined to report to the police, and so, video camera does not have recording function, video tape recorder does not have camera function, and the video tape recorder volume is excessive, costs an arm and a leg, can't with the coupling of warning product.

Summary of the invention

The purpose of the utility model embodiment is to provide a kind of miniature monitoring video device, is intended to solve in the prior art safety-protection system and can not finishes video recording, storage, interlink warning function simultaneously, big, the expensive problem of television monitoring equipment volume.

The utility model embodiment is achieved in that a kind of miniature monitoring video device, and described device comprises:

The video camera of built-in collection video analog signal;

Link to each other with described video camera and described video analog signal is carried out the vision signal A/D converter of analog/digital conversion;

The central processing unit that links to each other with described vision signal A/D converter;

The audio signal processor that links to each other with described central processing unit;

Link to each other with described central processing unit and with the chip microprocessor of the mutual control signal of described central processing unit;

The software program code of storing described device and audio/video data and the program/audio, video data memory that links to each other with described central processing unit;

Link to each other with described onechipmicroprocessor, and be sent to the alarm signal encoder of alarm host machine behind the alarm signal coding with onechipmicroprocessor output.

Another purpose of the utility model embodiment is to provide a kind of miniature supervisory video recording system, and described system comprises the described miniature monitoring video device of claim.

The beneficial effects of the utility model are: can realize the integrated function of video recording, storage, broadcast and interlink warning, compared with prior art, reduce the volume of device, reduce the cost of product.

Description of drawings

Fig. 1 is the miniature monitoring video apparatus structure schematic diagram that the utility model embodiment provides.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

With reference to Fig. 1, the miniature monitoring video apparatus structure schematic diagram that the utility model embodiment provides for convenience of explanation, only shows the part relevant with the utility model embodiment.Each device of this device makes up in integrated mode, connects by the bus in installing or other holding wires, constitutes video recording, storage, broadcast and interlink warning all-in-one.

Miniature monitoring video device comprises video camera 101, vision signal A/D converter 102, central processing unit 103, chip microprocessor 104, infrared signal processor 105, PIR (Passive InfraRed, passive type Infrared Detectors) detector 106, alarm signal encoder 107, wireless receiver 108, external memory 109, program/audio, video data memory 110, synchronous DRAM 111 and audio signal processor 112.

In the utility model embodiment, central processing unit 103 can be the SPCA536 chip, be connected with synchronous DRAM 111 with vision signal A/D converter 102, audio signal processor 112, chip microprocessor 104, external memory 109, program/audio, video data memory 110 respectively, control shooting, storage, video recording, broadcast and warning function of whole device or the like.

Video camera 101 can be that (Charge CoupledDevice CCD), is responsible for the IMAQ work of whole device to a built-in charge-coupled image sensor.Because the CCD that the utility model embodiment provides is an internally-arranged type, therefore need not external CCD, make whole device lighter and handier.During the video recording beginning, video camera 101 is sent to vision signal A/D converter 102 with the analog video signal of gathering.

Among the embodiment that the utility model provides, vision signal A/D converter 102 is SAA7113, ADV7180 or ADV5150 etc., be responsible for converting the video analog signal of video camera 101 outputs to digital signal, input to central processing unit 103 by the ITU656 interface and handle.Central processing unit 103 can back up the processed video data in program/audio, video data memory 110 or external memory 109, when needing to play, export video player to and play.

Audio signal processor 112 (can be WMW9711) is changed the audio analog signals of gathering and coding through amplification, A/D, by universal serial bus AC97 input central processing unit 103.Central processing unit 103 can back up the voice data after handling in program/audio, video data memory 110 or external memory 109, in needs, through central processing unit 103, by universal serial bus AC91 input audio signal processor 112, through processing such as amplification, D/A conversion and decodings, export audio player plays to.

In the embodiment that the utility model provides, vision signal A/D converter 102 and audio signal processor 112 except with central processing unit 103 mutual audio/video datas, both are also by I2C bus and central processing unit 103 mutual audio/video control signals, for example, quality of colour parameter, brightness, contrast, volume control and passage switching etc.

Chip microprocessor 104 has been handled 103 with central authorities respectively and has been linked to each other with alarm signal encoder 107, and receives the signal of infrared signal processor 105 and wireless receiver 108 inputs.Chip microprocessor 104 is devices of some the details work between a responsible chilmes-warning and the video recording, in the embodiment that the utility model provides, adopts ATMEGA8 to realize.

When invasion or other threat safety behaviors take place, after passing through processing such as amplification, shaping and time-delay, the signal that infrared signal processor 105 collects PIR detector 106 is delivered to chip microprocessor 104.Wireless receiver 108 is interface devices that miniature monitoring video device receives the external remote control instruction, particularly, the user instruction that wireless receiver 108 reception remote controllers send (for example, deploy troops on garrison duty, withdraw a garrison, record a video and stop to record a video etc.), become chip microprocessor 104 can discern and manageable signal its coding/decoding.

Chip microprocessor 104 can be by wherein pin the infrared signal and the command signal of infrared signal processor 105 and wireless receiver 108 outputs is sent to central processing unit 103, central processing unit 103 is according to these signals, controls the deploying troops on garrison duty of miniature monitoring video device, withdraws a garrison, records a video, stops to record a video and the action such as reset of main frame; Central processing unit 103 also can pass through the condition indicative signal of pin dispensing device wherein to chip microprocessor 104.The alarm signal that alarm signal encoder 107 generates according to chip microprocessor 104, carry out the coding action and will encode by radio frequency unit wherein after signal be sent to alarm host machine, realize and the interlink warning function of alarm host machine.

Among the embodiment that the utility model provides, under monitor state, as long as chip microprocessor 104 (ATMEGA8) is carried the LDQS pin of a low level to central processing unit 103 (SPCA536), exist enough storage mediums or camera lens to open simultaneously, so miniature monitoring video device begins recording audio/video, till high level appears in LDQS.If ATMEGA8 carries the GPIO06 pin of a low level signal to SPCA536, so no matter device is in broadcast state or other states, then returns recording interface immediately, and wait is recorded.The condition indicative signal (indicating current is recording state or other states) that SPCA536 also can carry a device by pin DIGTV18 to ATMEGA8 to judge whether opening camera, reach purpose of energy saving thereby avoid when actions menu, having opened camera.

In order to preserve the video recording data, realize that video recording of the present utility model stores integrated function, in the embodiment that the utility model provides, installed integrated program/video recording memory 110 (can be NAND-FLASH), and, can dispose external memory 109 (normally SD card) as required to increase the memory capacity of device.Program/video recording memory 110 links to each other with central processing unit 103 by memory bus, and one segment space (normally 8M byte) is used for storing the software program of this device, and its complementary space is used for storing audio/video data.

Synchronous DRAM 111 is as the device's memory memory device, inside SDRAM (Synchronous DRAM by central processing unit 103, synchronous DRAM) controller links to each other with central processing unit 103, the program command that interim memory requirement is carried out immediately.Because synchronizing function has been avoided unnecessary latent period, reduce data transfer delay.

The utility model is by a built-in video camera, and it is audio/video signal processor, interior external memory, alarm signal encoder and processor is integrated, constitute miniature monitoring video device, reduced the volume of device, reduce the cost of product, and realized video recording, storage, broadcast and the integrated function of interlink warning.

The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.

Claims

1, a kind of miniature monitoring video device is characterized in that described device comprises:

The video camera of built-in collection video analog signal;

2, miniature monitoring video device as claimed in claim 1 is characterized in that, described device further comprises synchronous DRAM and the external memory that links to each other with described central processing unit.

3, miniature monitoring video device as claimed in claim 1, it is characterized in that described device further comprises the infrared signal processor and input treated wireless encoding signal wireless receiver to described onechipmicroprocessor of the treated infrared signal of input to described onechipmicroprocessor.

4, miniature monitoring video device as claimed in claim 3 is characterized in that, described device further comprises the passive type Infrared Detectors that links to each other with described infrared signal processor and import infrared signal to the infrared signal processor.

5, miniature monitoring video device as claimed in claim 1, it is characterized in that the mutual control signal of described central processing unit and described chip microprocessor comprises that the miniature monitoring video device of indication that chip microprocessor is carried to central processing unit deploys troops on garrison duty, withdraws a garrison, records a video, stops to record a video and the condition indicative signal of the device that the signal of host reset and central processing unit are carried to described chip microprocessor.

As the arbitrary described miniature monitoring video device of claim 1 to 5, it is characterized in that 6, described device constitutes integrated apparatus.

7, a kind of miniature supervisory video recording system is characterized in that, described system comprises the described miniature monitoring video device of claim 1.