CN2896753Y

CN2896753Y - Portable picture pick-up, recording integrated machine for use in mine

Info

Publication number: CN2896753Y
Application number: CN 200620078294
Authority: CN
Inventors: 李文峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-01-23
Filing date: 2006-01-23
Publication date: 2007-05-02
Anticipated expiration: 2016-01-23

Abstract

The utility model relates to a monitoring device used in mine monitoring systems, in particular to a portable and intrinsic-safety camera recorder and player combination for mining use, mainly comprising a sensor unit I, a data collection and processing unit II, a data compression unit III, a data storage unit IV, an Micro Controller Unit (MCU) V, a LCD unit VI and a intrinsic-safety power unit VII. By applying intrinsic-safety infrared camera shooting, gas detection, DSP video and audio compression and high-current intrinsic-safety lithium power technologies, the utility model is capable to pick up, detect, store, display and playback multimedia signals including images, audios and environmental parameters etc of the mining scenes, enabling ground staff to accurately get a comprehensive grasp of gas, carbon monoxide, oxygen concentration, environmental temperature and sound and image situations down in the mining scenes. The utility model is characterized in small size, light weight, large data storage capacity, explosion prevention, easy operation etc.

Description

Portable mine intrinsic safety type camera recorder and player combination

Technical field

The utility model relates to the monitoring arrangement that uses in the monitoring mining system, relates in particular to a kind of portable mine intrinsic safety type camera recorder and player combination.

Background technology

Gas often takes place in the Coal Production, and disaster accidents such as water, fire, coal dust, top board constitute grave danger to miner's life and mine safety.At present, China has equipped in each colliery mine surveillance and monitoring system successively, and the safety in production situation at surveillance and monitoring and record underground work scene is in time found accident potential intuitively.But equipment monitor monitoring at present only is the situation of each control point, can not cover all production fields of full mine, can't realize the tracking recording playback monitoring that multiple signals such as image, voice and environmental parameter are transmitted simultaneously; Particularly in the disaster relief and rescue process, when the down-hole the condition of a disaster takes place, the existing various systems in colliery paralyse substantially, have only the rescue team member to go deep into the down-hole, the communication class rescue equipment that is equipped with has simple equipment such as minute book, ball pen and disaster relief phone, the team member relies on minute book and ball pen record environmental parameter value, and also can only give an oral account the description at the condition of a disaster scene, can not reflect the truth at scene, disaster area all-sidedly and accurately.

Summary of the invention

For overcoming above-mentioned defective, the purpose of this utility model is to provide a kind of can take in the digital camera recorder and player combination of portable mine intrinsic safety type of detection, storage, demonstration and playback with multi-media signals such as the image at mine scene, voice, environmental parameters.This installs the disaster relief equipment that alternative minute book, ball pen and phone etc. fall behind, under coal mine, after the work of shooting with video-corder of the scene of finishing, disaster area gets back to ground, the playback of realization data is accurately grasped the down-hole situation to make things convenient for the ground staff, for accident and field assay provide the firsthand information.

The utility model is realized with following technical scheme for achieving the above object: the utility model is mainly by sensor unit I, data acquisition process unit II, data compression unit III, data storage cell IV, MCU (microprocessor) unit V, liquid crystal display VI and intrinsic safety electric source unit VII form, the audio frequency that sensor unit I captures the down-hole, vision signal and environmental parameter are delivered to data acquisition process unit II, data acquisition process unit II is with the audio frequency of simulation, video, environmental parameter signals converts digital signal input data compression unit III to and carries out compressed encoding at data compression unit III, realization is to image data, the digitalization compressed of image and voice signal and synchronous transmission, transmission signals is sent into MCU (microprocessor) unit V, MCU (microprocessor) unit V mainly is made up of the computer core plate, and utilize software decoding to realize the real-time decoding and the broadcast of multi-medium data, through the multi-media signal of data storage cell IV real-time storage through overcompression, real-time display video signal of liquid crystal display VI and environmental parameter, intrinsic safety electric source unit VII is data acquisition process unit II, data compression unit III, data storage cell IV, MCU (microprocessor) unit V, liquid crystal display VI provides the power supply support.

The sensor unit I mainly is made up of microphone, intrinsic safety type infrared camera, environmental parameter transmitter and panel, the environmental parameter transmitter detects ambient gas and temperature parameter automatically, infrared camera is caught the down-hole vision signal automatically, and microphone is caught the down-hole audio signal; Above-mentioned data compression unit III is the video network transducer, it mainly is made up of the video acquisition unit that internal core device DSP, logic control chip, data storage, program storage, network interface chip and camera, video decoding chip, buffer constitute, and described dsp chip can be realized video coding; Above-mentioned MCU (microprocessor) unit V is provided with the computer core plate, also is provided with board mounting, and formulating has peripheral interface, standard configuration that sound card, serial ports, keyboard and mouse, standard IDE interface, network interface, CF interface are arranged.

Above-mentioned intrinsic safety electric source unit VII is charging lithium power supply, and the lithium power supply adopts the security component dividing technology, and power supply is provided with lithium ion battery privacy protection circuit simultaneously, is provided with the dual-protection circuit of voltage-stabilizing protection, overcurrent protection, overvoltage protection and short-circuit protection in the circuit; Described battery pack and described protective circuit group adopt the epoxide-resin glue envelope to be one.

The utility model compared with prior art adopts intrinsic safety infrared pick-up, gas detecting, DSP to look the audio compression processing and embedded mine intrinsic safety type camera recorder and player combination is formed in big electric current intrinsic safety lithium power technology design.It can by peace (watt) inspection person carries, finishes image scene in the down-hole, mining area and shoot with video-corder Presentation Function, voice recording function and environmental parameter detection, demonstration, warning, memory function; After the staff gets back to ground, the USB interface data download that provides by device, the software that provides is provided on computers, finish the function such as broadcast, time-out, F.F., rewind down of multi-media signal, the playback of realization data, make things convenient for the ground staff accurately to grasp fire damp, carbon monoxide, oxygen concentration, ambient temperature and on-the-spot audiovideo situation.The utlity model has that volume is little, in light weight, memory data output is big, safety anti-explosive, characteristics easy and simple to handle.

Description of drawings

Fig. 1 is the utility model structural representation block diagram;

Fig. 2 is the utility model circuit theory diagrams;

Fig. 3 is the utility model video network sensor circuit schematic diagram;

Embodiment

Referring to Fig. 1, Fig. 2: the utility model mainly is made up of sensor unit I, data acquisition process unit II, data compression unit III, data storage cell IV, MCU (microprocessor) unit V, liquid crystal display VI and intrinsic safety electric source unit VII.Sensor unit I mainly by microphone 1., the intrinsic safety type infrared camera 2., 10. 3. the environmental parameter transmitter form with panel, 3. the environmental parameter transmitter detects ambient gas and temperature parameter automatically, and 2. infrared camera is caught the down-hole image scene automatically and the vision signal that captures is delivered to data acquisition process unit II together with the audio signal of microphone in 1.; 5. data acquisition process unit II is mainly the data acquisition process card, 5. the data acquisition process card at first converts audio frequency, video, the environmental parameter signals of simulation to digital signal input data compression unit III, video adopts MPEG-4 encoding and decoding international standard, audio frequency adopts G.729 encoding compression standard, carries out compressed encoding at data compression unit III; Data compression unit III is the video network transducer, and it mainly is made up of internal core device DSP-TMS320C6211, and DSP-TMS320C6211 realizes digitalization compressed and the synchronous transmission to data, image and the voice signal that collects; MCU (microprocessor) unit V mainly is made up of single board computer, utilizes software decoding to solve the real-time decoding and the broadcast of multi-medium data; By the multi-media signal of data storage cell IV real-time storage through overcompression, liquid crystal display VI shows image and the 3. detected gas of environmental parameter transmitter, carbon monoxide, oxygen and the temperature data that 2. infrared camera is taken in real time, and the data storage cell IV here is mainly the 4GB micro harddisk; Intrinsic safety electric source unit VII provides the power supply support of other each unit of camera recorder and player combination, the utility model down-hole.

Referring to Fig. 2: the power supply among the utility model intrinsic safety electric source unit VII can be selected charging lithium power supply for use, adopts the security component dividing technology, and three groups of lithium battery group 12V output voltages produce 12V, 5V and the 3.3V voltage of system works respectively through the DC-DC device; Adopt lithium ion battery privacy protection IC simultaneously, be provided with voltage stabilizing, overcurrent protection, overvoltage protection and short-circuit protection and duplicate protection in the circuit; It is one with battery pack with protectiveness assembly glue envelope that epoxy resin is adopted in the back, makes the more reliable and safety of circuit.But the assurance device continuous operation of intrinsic safety electric source unit provided in 8 hours 12V, 5V and 3.3V operating voltage to the computer core plate 6., the computer board mounting 7., Signals Transfer Board 8., the liquid crystal drive plate 9., 5. video network transducer III and environmental parameter acquisition process plate power.

From the environmental parameter signals that 10. panel is imported at first 5. gather at environmental parameter acquisition process plate, analog-to-digital conversion and handle the serial ports output to video network transducer III by 485 serial protocols; 10. the analogue audio frequency of importing from panel, vision signal are gathered at video network transducer III simultaneously, analog-to-digital conversion and compression handle.Video, audio frequency, environmental parameter signals output to computer board mounting network interface 7. at the synthetic way word signal of video network transducer III.Composite signal one tunnel is through 4GB micro harddisk IV storage, and one tunnel machine software decomposition as calculated, decoding output to colour liquid crystal display device (11) real-time playing multimedia data.6. computer core plate among MCU (microprocessor) the unit V adopts the SOM2350 of dominant frequency 300MHz super low-power consumption, 7. MCU (microprocessor) unit V also is provided with board mounting, formulate peripheral interface, standard configuration sound card, serial ports, keyboard and mouse, standard IDE interface, network interface, CF interface.

Infrared camera 2. in-built CCD image sensor provides 480 line tv lines, valid pixel: (PAL) focus automatically in 752 (level) * 582 (vertically), can take the invisible infrared picture of people's naked eyes under the black full situation of down-hole 0Lux; And in a single day environmental parameter exceeds standard, and the LED on the transmitter will provide red flicker alarm indication.

LCD (11) adopts new-type LED-backlit and 4 cun 640 * 480 resolution low power consumption liquid crystal display screen.In same video window while display image, time, IP address, frame number and environmental parameter information, report to the police during the imflammable gas concentration over-standard.

Data storage cell IV adopts that read or write speed is fast, volume is little, in light weight, long service life, CF (compact flash) card with shatter-resistant antidetonation 4GB, Compact Flash are the technology by a kind of and PC ata interface operating such of Compact Flash association (CFA) design.

Referring to Fig. 3: the data compression unit III in the utility model is mainly the video network transducer, its core devices be core processor DSP-TMS320C6211 4., DSP 4. chip realizes the MPEG-4 video coding, comprises Hardware platform design and MPEG-4 compressed software; Video network transducer hardware mainly by core processor DSP-TMS320C6211 4., logic control chip, data storage, program storage, network interface chip and CCD camera 2., the video acquisition unit that constitutes of video decoding chip, buffer forms.The vision signal that 2. infrared C CD camera is gathered is finished A/D and format conversion by video decoding chip SAA7114H, sends into buffer fifo chip AL422B buffer-stored, when FIFO reaches half-full, reads in data to DSP-C6211 application interrupt requests.Call MPEG-4 compression subprogram by 6211 and finish cataloged procedure, 16 SDRAM-K4S641632 of external data memory are used for the intermediate data in storing image data and the compression process, video stream data behind the coding is encapsulated in the IP packet by network interface chip CS8900, reach host computer easily by the RJ-45 interface, host computer is finished functions such as decoding, demonstration, storage.Logic control chip CPLD-EPM3064 is used for required logic control signal, read-write control signal and synchronizing signal etc. in the generation system.Memory under program AT29LV040 is 8 FLASH.Audio coding decoding chip TLC32AD535 finishes the AD conversion of audio signal, can be directly and DSP McBSP0 interface seamless link 4..

The utility model can be brought the down-hole use of directly starting shooting into by security staff or rescue team member, at any time follow the tracks of and detect and storage different location and regional environmental datas such as gas, carbon monoxide, oxygen and temperature, write down the safety in production situation at underground work scene in all directions, improve Safety of Coal Mine Production level and production safety management efficient.

Claims

1, a kind of portable mine intrinsic safety type camera recorder and player combination, it is characterized in that this all-in-one is mainly by sensor unit I, data acquisition process unit II, data compression unit III, data storage cell IV, MCU (microprocessor) unit V, liquid crystal display VI and intrinsic safety electric source unit VII form, the audio frequency that described sensor unit I captures the down-hole, vision signal and environmental parameter are delivered to data acquisition process unit II, described data acquisition process unit II is with the audio frequency of simulation, video, environmental parameter signals converts digital signal input data compression unit III to and carries out compressed encoding at described data compression unit III, realization is to image data, the digitalization compressed of image and voice signal and synchronous transmission, transmission signals is sent into described MCU (microprocessor) unit V, 6. MCU (microprocessor) unit V mainly is made up of the computer core plate, utilize software decoding to realize the real-time decoding and the broadcast of multi-medium data, through the multi-media signal of described data storage cell IV real-time storage through overcompression, real-time display video signal of described liquid crystal display VI and environmental parameter, described intrinsic safety electric source unit VII is data acquisition process unit II, data compression unit III, data storage cell IV, MCU (microprocessor) unit V, liquid crystal display VI provides the power supply support.

2, the described a kind of mine intrinsic safety type camera recorder and player combination of claim 1, it is characterized in that described sensor unit I mainly by microphone 1., the intrinsic safety type infrared camera 2., 10. 3. the environmental parameter transmitter form with panel, 3. the environmental parameter transmitter detects ambient gas and temperature parameter automatically, 2. infrared camera catches the down-hole vision signal automatically, and 1. microphone catches the down-hole audio signal; Described data compression unit III is the video network transducer, its mainly by internal core device DSP 4., logic control chip, data storage, program storage, network interface chip and CCD camera 2., the video acquisition unit that constitutes of video decoding chip, buffer forms, described DSP 4. chip can realize video coding; 6. described MCU (microprocessor) unit V is provided with the computer core plate, also is provided with board mounting 7., and has the interface of enclosing, standard configuration that sound card, serial ports, keyboard and mouse, standard IDE interface, network interface, CF interface are arranged outside formulating.

3, a kind of mine intrinsic safety type camera recorder and player combination according to claim 1, it is characterized in that described intrinsic safety electric source unit VII is charging lithium power supply, described lithium power supply adopts the security component dividing technology, power supply is provided with lithium ion battery privacy protection circuit simultaneously, be provided with voltage-stabilizing protection in the circuit, the dual-protection circuit of overcurrent, overvoltage protection and short-circuit protection; Described battery pack and described protective circuit group adopt the epoxide-resin glue envelope to be one.