CN107536152A - It is a kind of can intercommunication wireless high-definition video communication helmet and its system - Google Patents
It is a kind of can intercommunication wireless high-definition video communication helmet and its system Download PDFInfo
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- CN107536152A CN107536152A CN201610478782.9A CN201610478782A CN107536152A CN 107536152 A CN107536152 A CN 107536152A CN 201610478782 A CN201610478782 A CN 201610478782A CN 107536152 A CN107536152 A CN 107536152A
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Abstract
The present invention provide it is a kind of can intercommunication wireless high-definition video communication helmet and its system, be related to a kind of HD video communication technical field.The invention includes control operation module, LED illumination module and power supply management module, control operation module is connected by switching administrative unit with power supply management module, power supply management module is connected with LED illumination module, control operation module includes video acquisition unit, audio collection unit, audio playing unit, core processor and wireless transmission unit, core processor is connected with video acquisition unit, audio collection unit, audio playing unit, wireless transmission unit respectively, and audio treatment unit is provided between core processor and audio collection unit.Communication apparatus can be placed on the helmet by the present invention during inspection is either speedily carried out rescue work, and liberate both hands, ensure to collect the more details in scene by high definition video collecting.
Description
Technical field
, can intercommunication more particularly to one kind the present invention relates to a kind of HD video communication technical field
Wireless high-definition video communication helmet and its system.
Background technology
Traditional fire hat does not possess communication function typically, possesses communication function even if the part helmet
Simply communicated using 3G network, its transmission speed is slower, and communication effect is poor, live surrounding environment
Information can not be quickly transferred to backstage commanding again, be unfavorable for the commander of backstage commanding and to existing
The rescue of field fireman in danger, with the fast development of radio network technique, network communication is given birth in life
More and more important role is play in production, network communication has in terms of video communication widely should very much
With so utilization of the network communication in fire hat is imperative.
The content of the invention
Weak point present in regarding to the issue above, the present invention provide it is a kind of can intercommunication WirelessHD
The video communication helmet and its system, allow it during inspection or speedily carrying out rescue work, by communication apparatus
It is placed on the helmet, liberates both hands, ensures to collect the more details in scene by high definition video collecting.
In order to solve the above problems, the present invention provide it is a kind of can intercommunication wireless high-definition video communication system
System, wherein, including control operation module, LED illumination module and power supply management module, the control
Operation module is connected by switching administrative unit with the power supply management module, the power supply management module
It is connected with the LED illumination module, the control operation module includes video acquisition unit, audio is adopted
Collect unit, audio playing unit, core processor and wireless transmission unit, the core processor point
Not with the video acquisition unit, the audio collection unit, the audio playing unit, the nothing
Line transmission unit is connected, and audio is provided between the core processor and the audio collection unit
Processing unit, be provided with the core processor Video processing coding unit, audio coding unit and
Audio decoding unit, the Video processing coding unit are connected with the video acquisition unit, the sound
Frequency coding unit is connected with the audio treatment unit, and the audio decoding unit plays with the audio
Unit connects.
Preferably, lithium battery is provided with the power supply management module with power supply unit, charged state to refer to
Show unit and Charge Management unit, the lithium battery and power supply unit, the charged state indicating member
It is connected with the Charge Management unit.
Preferably, the lighting unit being connected and Lighting control list are provided with the LED illumination module
Member, the lighting control unit are connected with the lithium battery with power supply unit.
Preferably, working state of system indicating member, system are additionally provided with the control operation module
Update dispensing unit and wireless working condition indicating member, the working state of system indicating member, institute
State system update dispensing unit and the wireless working condition indicating member with the core processor
Connection.
Preferably, it is soft to include LED light switch, system switching and system for the switch administrative unit
Shutdown switch, the LED light switch and the system switching are separately positioned, ensure that LED shines
Bright partial function can use independently of whole system.
It is a kind of based on can intercommunication wireless high-definition video communication system communication helmet, wherein, including head
Helmet and control device, the control device are arranged on the front end of the helmet, and the front end of the helmet is set
LED and video lens are equipped with, the right-hand member of the control device is provided with wireless antenna, the control
The left end of device is provided with system switching, and the top of the control device is provided with LED switch, institute
LED, the video lens, the wireless antenna, the system switching, the LED is stated to open
Guan Junyu is arranged on the control operation module connection inside the control device.
Preferably, the LED is top with the video lens, the right side of the video lens
It is provided with working state of system indicator lamp, the working state of system indicator lamp and the control operation mould
Block connects.
Preferably, the bottom of the control device is provided with system soft-off switch and MIC holes, described
System soft-off switch is connected with the control operation module.
Preferably, the top of the helmet is provided with system update debugging interface, charging inlet and raised one's voice
Device hole, the system update debugging interface and the system update being arranged on inside the control device configure
Unit connects, the charging inlet and the lithium battery and power supply unit that are arranged on inside the control device
Connection, the speaker hole are connected with the audio playing unit being arranged on inside the control device.
Compared with prior art, the present invention has advantages below：
1st, communication apparatus can be placed on the helmet by the present invention during inspection is either speedily carried out rescue work,
Both hands are liberated, ensure to collect the more details in scene by high definition video collecting；
2nd, speech talkback function of the invention can ensure the realization of remote interaction, by background noise reduction,
Communication quality is still can guarantee that under extremely complicated site environment；
3rd, the present invention ensure that picture quality and details not light by highlighted led illumination functions
According to the influence of environment, and SOS is provided and dodges function cruelly；
4th, the present invention is built-in with lithium ion battery power supply, can realize quick-charge function.
Brief description of the drawings
Fig. 1 is embodiments of the invention systematic schematic diagram；
Fig. 2 is embodiments of the invention structural front view；
Fig. 3 is embodiments of the invention structural side view.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to
Accompanying drawing is described in further detail with example to the present invention, but example is not as to the present invention
Restriction.
As shown in Figure 1 to Figure 3, embodiments of the invention include control operation module, LED illumination
Module and power supply management module, control operation module is by switching administrative unit and power supply management module
Connection, power supply management module are connected with LED illumination module, and control operation module includes video acquisition
Unit, audio collection unit, audio playing unit, core processor and wireless transmission unit, it is interior
Core processor respectively with video acquisition unit, audio collection unit, audio playing unit, wireless pass
Defeated unit is connected, and audio treatment unit is provided between core processor and audio collection unit,
Video processing coding unit, audio coding unit and audio decoder list are provided with core processor
Member, Video processing coding unit are connected with video acquisition unit, audio coding unit and audio frequency process
Unit is connected, and audio decoding unit is connected with audio playing unit.It is provided with power supply management module
Lithium battery and power supply unit, charged state indicating member and Charge Management unit, lithium battery and power supply
Unit, charged state indicating member are connected with Charge Management unit.Set in LED illumination module
There are the lighting unit and lighting control unit being connected, lighting control unit and lithium battery and power supply list
Member connection.Working state of system indicating member is additionally provided with control operation module, system update is matched somebody with somebody
Unit and wireless working condition indicating member are put, working state of system indicating member, system update are matched somebody with somebody
Put unit and wireless working condition indicating member is connected with core processor.Switch administrative unit bag
LED light switch, system switching and system soft-off switch are included, LED light switch is with being
System switch is separately positioned, ensure that LED illumination partial function can use independently of whole system.
It is a kind of based on can intercommunication wireless high-definition video communication system communication helmet, wherein, including
The helmet 1 and control device 2, control device 2 are arranged on the front end of the helmet 1, the front end of the helmet 1
LED 6 and video lens 5 are provided with, the right-hand member of control device 2 is provided with wireless antenna 7,
The left end of control device 2 is provided with system switching 3, and the top of control device 2 is provided with LED
Switch 4, LED 6, video lens 5, wireless antenna 7, system switching 3, LED switch 4
It is connected with the control operation module being arranged on inside control device 2.LED 6 is and video mirror
First 5 top, the right side of video lens 5 are provided with working state of system indicator lamp, system work
Status indicator lamp is connected with control operation module.The bottom of control device 2 is provided with system soft-off
8 and MIC holes 9 are switched, system soft-off switch 8 is connected with control operation module.The helmet 1
Top is provided with system update debugging interface, charging inlet and speaker hole, and system update debugging connects
Mouth is connected with the system update dispensing unit being arranged on inside control device 2, and charging inlet is with setting
Lithium battery inside control device 2 is connected with power supply unit, and speaker hole is with being arranged on control dress
Put the audio playing unit connection inside 2.
A) video acquisition unit：Using the professional camera module of 1,300,000 pixels, 720P is supported
HD video information gathering.
B) Video processing coding unit：Completed in the design using the ARM9 chips of SONIX companies
For the coding compression function of image, using H.264 coded system leading in industry.
C) audio collection unit：Using the high sensitivity simulation MIC collection sites audio letter of specialty
Number.
D) audio treatment unit：Completion removes background noise, removal echo is uttered long and high-pitched sounds, and ensures to remain with
Audio-frequency information, filter useless and interference noise.
E) audio coding unit：Coding pressure is carried out to the audio signal after audio treatment unit
Contracting, using G711 audio coding formats.
F) lighting unit：Using 1W import high-brightness LED lamp as illuminating lamp, ensure in light
High-quality image information can be still collected under bad environment, while plays illumination functions.
G) lighting control unit：3 grades of regulation brightness functions are supported, can be according to different light rings
Border selects different brightness of illuminations, supports SOS to dissipate function cruelly, once there are dangerous feelings in engineering
Condition, SOS distress signals can be quickly sent by light.
H) lithium battery and power supply unit：Built-in 5000mAh lithium ion batteries.
I) Charge Management unit：Precharge, quick charge, trickle charge process are realized, to battery
Service life play a protective role.
J) charged state indicating member：Red light blue lamp Chang Liang in charging process, if charger is with setting
Standby end bad connection red light blue lamp is extinguished, with the increase of battery electric quantity, red light increasingly dark blue
Lamp is more and more brighter, and battery extinguishes full of rear red light, blue lamp Chang Liang.
K) administrative unit is switched：1ed lamps light switch, system switching, system soft-off switch.
Separated in design using LED light switch with system switching, ensure that LED illumination partial function can
To be used independently of whole system.System switching, guarantee make equipment be in complete off-position.
System soft-off switchs, and realizes and closes systemic-function.
I) working state of system indicating member：After main board power supply is normal and system successfully starts up,
When red device, indicated as running status.
M) system update dispensing unit：Reserved 12 pin Aviation Connectors realize system with new or configuration
Renewal, ensure equipment be flexibly applicable various complicated field network environment.
N) wireless transmission unit：Regarded using IEEE802.11 wireless wifi communication modes as sound
Starting carrier of frequency signal.Automatic identification network, automatic connection.
O) wireless working condition indicating member：Green light flashes after system starts, and represents now wifi
Search for connection wifi servers, success be connected with wifi servers after green light from flash state
It is changed into Chang Liang, represents that wifi has been successfully connected.
In the present embodiment, design of the invention is to be based on built-in Linux development platform, using special
Industry level ARM9 video frequency processing chips, are internally integrated video codec and audio codec kernels；
Efficient audio defeat is realized using single digital audio processing dsp chip and eliminates echo work(
Energy；2 PWM of chip are utilized as wireless transmission unit using USB wifi modules in design
Interface to monitor the working condition and wifi network connection of mainboard in real time；Utilize ARM9's
SDIO completes the renewal work of system file with UART interface；Connected using ARM9 digital interface
The camera module for connecing parallel port carries out the collection of image；
1st, Network Information Environment configures：
According to the network environment of institute's application scenarios, it is wireless that programming is updated by system update debugging interface
Network profile, if so as to ensure equipment enter after starting corresponding to will in network environment from
Dynamic removes connection wireless network.
Other like products, which need to coordinate using mobile phone and equipment, to be gone to complete this process, is operated
In complexity, and need residing network may be coupled to could to realize this network configuration in public network
Function, and power network internal network is to cannot connect to outside public network, the advantage of this equipment is that this sets
Network configuration and Communication Engineering are can be achieved with for public network need not be connected.
2nd, the startup of equipment
System switching is pressed, battery starts to power for power supply unit, and power supply unit is each for circuit board
Individual functional module power supply, working state of system indicator lamp red light lights after system starts, and represents system
System normally starts；After system starts, green light enters flicker state in working station indicator,
Represent that wifi is in search connection status, after wifi is successfully connected, green light becomes Chang Liang.
3rd, audio video transmission
After equipment startup after wifi is just often connected on network, audio frequency and video part is flowed with rtsp
Pattern hair is sent out, and according to the IP address of equipment, can be regarded with receiving rtsp sounds in application end
Frequency stream simultaneously can realize that the decoding of audio frequency and video plays work in terminal.
Software implementing course in the present embodiment：
Image processing section：
The collection of image is based primarily upon V4L2 completions with processing in the design：In linux on regarding
The application programming interfaces of frequency equipment.It is divided into two layers of driving and DLL, and top layer DLL is
Video dev modules；Bottom drives for V4L2, and actual is video dev client, video
Dev accesses these drivings by V412.
Video acquisition PROCESS OVERVIEW：
1. initialize the code of V4L2 parts
2. start camera device
3. obtain facility information
4. select video input
5. setting the standard and frame format of video, standard includes PAL, NTSC, the form bag of frame
Include width and height etc..
6. to driving application frame buffering
7. the frame applied buffering is mapped to user's space
8. the frame applied is buffered into whole enqueues, to deposit the data collected
9. start the collection of video.
10. dequeue obtains acquired original data to obtain the frame of gathered data buffering.
11. it will buffer back into rear of queue, so can be with circle collection.
12. stop the collection of video.
13. close video equipment.
Video compress flow：
1. starting device
2. completing the relevant configuration work of SONIX Middleware api interfaces part includes, compile
Code form, isp device names path is set, code_dev device names path is set, set
The memory headroom of isp predistribution, V4L2_PIX_FMT_H264 is set, sets ISP frame per second to be 30
Frame, setting encoded frame rate are 30 frames, and setting encoded frame width are
1280, it is 720 to set encoded frame height, sets V4L2 predistribution buffer
Number.
SONIX Middleware api interfaces are called to complete the compression process to video 3. starting.
Audio frequency process part：
Audio Codec dirver is mainly based upon the Sound Architecture of Linux system
(ALSA) come what is completed, mainly audio controller driver, Sigma-Delta are included
ADC driver, R2R driver, AIC driver and tw2886 driver.And pass through calling
Middleware api interfaces complete corresponding audio coding and decoding effort in SONIX ARM9.
1. audio collection, special audio process chip believes the analogue audio frequency from mic collected
Number, data signal is converted into, the dsp chip for being transmitted to inside processes, and reduces power frequency ambient noise；
The sound from loudspeaker is gathered simultaneously, is compared to eliminate and is returned caused by network environment and site environment
Sound
2. the audio code stream after being handled by professional audio process chip is transmitted to by I2C interface
SONIX ARM9 chips carry out the compression of audio.
Audio video transmission：
1. video streaming：
RTSP stream media protocols are added in SONIX ARM9 applications, by calling SONIX ARM9
Api interface obtain compression after audio/video flow and come out by wireless network transmissions.
2. audio intercommunication function：
Audio stream is received in SONIX ARM9 application layers addition rtp streaming media protocol, will be corresponding
Packets of audio data extracts from code stream, by calling SONIX ARM9 api interface direct
The internal audio frequency decoded portion of chip is called, voice data is decoded and played back.
Working station indicator：This function is completed using two PWM interfaces of ARM9 chips, is
System starts, and initializes chip interface, judges whether system normally starts, if system normally starts
PWM1 interfaces export high level signal, light red LED lamp of the connection in this interface
Wifi working station indicators, system initialize chip interface after starting, and initialize
Usbwifi modules, whether inquiry wifi is successfully connected network, if being in connection status PWM2
Interface output pulse signal, PWM2 interfaces export high level signal after wifi is successfully connected,
Now connect the green LED lamp Chang Liang of this interface.
The foregoing description of the disclosed embodiments, enable professional and technical personnel in the field realize or
Use the present invention.A variety of modifications to these embodiments for those skilled in the art will
Be it will be apparent that generic principles defined herein can not depart from the present invention spirit or
In the case of scope, realize in other embodiments.Therefore, the present invention is not intended to be limited to this
These embodiments shown in text, and be to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (9)
1. it is a kind of can intercommunication wireless high-definition video communication system, it is characterised in that including control grasp
Make module, LED illumination module and power supply management module, the control operation module manages by switching
Unit is connected with the power supply management module, and the power supply management module connects with the LED illumination module
Connect, the control operation module include video acquisition unit, audio collection unit, audio playing unit,
Core processor and wireless transmission unit, the core processor respectively with the video acquisition unit,
The audio collection unit, the audio playing unit, the wireless transmission unit are connected, described
Audio treatment unit, the kernel processes are provided between core processor and the audio collection unit
Video processing coding unit, audio coding unit and audio decoding unit, the video are provided with device
Processing coding unit is connected with the video acquisition unit, at the audio coding unit and the audio
Unit connection is managed, the audio decoding unit is connected with the audio playing unit.
2. as claimed in claim 1 can intercommunication wireless high-definition video communication system, its feature exists
In, be provided with the power supply management module lithium battery and power supply unit, charged state indicating member and
Charge Management unit, the lithium battery and power supply unit, the charged state indicating member with it is described
Charge Management unit connects.
3. as claimed in claim 2 can intercommunication wireless high-definition video communication system, its feature exists
In, the lighting unit and lighting control unit being connected are provided with the LED illumination module, it is described
Lighting control unit is connected with the lithium battery with power supply unit.
4. as claimed in claim 3 can intercommunication wireless high-definition video communication system, its feature exists
In, be additionally provided with the control operation module working state of system indicating member, system update configuration
Unit and wireless working condition indicating member, the working state of system indicating member, the system are more
New dispensing unit and the wireless working condition indicating member are connected with the core processor.
5. as claimed in claim 4 can intercommunication wireless high-definition video communication system, its feature exists
In, the switch administrative unit includes LED light switch, system switching and system soft-off switch,
The LED light switch and the system switching are separately positioned, ensure that LED illumination partial function
It can be used independently of whole system.
6. based on described in claim 1 can intercommunication wireless high-definition video communication system communication head
Helmet, it is characterised in that including the helmet and control device, the control device is arranged on the helmet
Front end, the front end of the helmet are provided with LED and video lens, and the right-hand member of the control device is set
Wireless antenna is equipped with, the left end of the control device is provided with system switching, the top of the control device
End is provided with LED switch, the LED, the video lens, the wireless antenna, described
System switching, the LED switch the control operation module with being arranged on inside the control device
Connection.
7. communication helmet as claimed in claim 5, it is characterised in that the LED for institute
The top of video lens is stated, working state of system indicator lamp, institute are provided with the right side of the video lens
Working state of system indicator lamp is stated to be connected with the control operation module.
8. communication helmet as claimed in claim 6, it is characterised in that the bottom of the control device
Portion is provided with system soft-off switch and MIC holes, the system soft-off switch and the control operation
Module connects.
9. communication helmet as claimed in claim 7, it is characterised in that the top of the helmet is set
Be equipped with system update debugging interface, charging inlet and speaker hole, the system update debugging interface with
The system update dispensing unit connection being arranged on inside the control device, the charging inlet is with setting
Lithium battery inside the control device is connected with power supply unit, and the speaker hole is with being arranged on institute
State the audio playing unit connection inside control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610478782.9A CN107536152A (en) | 2016-06-28 | 2016-06-28 | It is a kind of can intercommunication wireless high-definition video communication helmet and its system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610478782.9A CN107536152A (en) | 2016-06-28 | 2016-06-28 | It is a kind of can intercommunication wireless high-definition video communication helmet and its system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107536152A true CN107536152A (en) | 2018-01-05 |
Family
ID=60961621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610478782.9A Pending CN107536152A (en) | 2016-06-28 | 2016-06-28 | It is a kind of can intercommunication wireless high-definition video communication helmet and its system |
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|---|---|---|---|---|
| CN101997563A (en) * | 2010-11-05 | 2011-03-30 | 陕西银河景天电子有限责任公司 | Individual soldier helmet type emergency command system based on various 3G (3rd-Generation) wireless networks |
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