CN110430387A - A kind of multi-functional visual-speaking system that can access multi-channel video picture simultaneously - Google Patents
A kind of multi-functional visual-speaking system that can access multi-channel video picture simultaneously Download PDFInfo
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- CN110430387A CN110430387A CN201811413482.8A CN201811413482A CN110430387A CN 110430387 A CN110430387 A CN 110430387A CN 201811413482 A CN201811413482 A CN 201811413482A CN 110430387 A CN110430387 A CN 110430387A
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
- H04N7/186—Video door telephones
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- Closed-Circuit Television Systems (AREA)
Abstract
The invention discloses a kind of multi-functional visual-speaking systems that can access multi-channel video picture simultaneously, including two doorway machines, indoor unit and six CCTV video cameras, indoor unit includes phone module, frequency switch circuit, wireless audio sending module, HANDSET, four tunnel video image processing modules, video image encoding and decoding chip, LCD drive module, Panel, wireless audio reception module, MCU.The multi-functional visual-speaking system that can access multi-channel video picture simultaneously realizes doorway machine calling, telephone rings, leads to mutually calling in every family, answers with indoor unit, between wireless audio terminal is answered, audio can smooth transmission without the technology that interferes with each other.
Description
Technical field
The present invention relates to electronic visual doorbell technical field, more particularly to a kind of multi-functional multi-channel video can be accessed simultaneously
The visual-speaking system of picture.
Background technique
With the gradually development of domestic and international economy, the awareness of safety of people is continuously improved.It is originally one-to-one wired visual
Entryphone is no longer satisfied pursuit of the people to more high safety.More and more Deluxe villas, cell, supermarket, office field
Institute etc., people need multiple doorway machine images and sound to identify visiting guest, switch door lock etc.；Multichannel is needed to image simultaneously
Machine comes while monitoring front and back garden, corridor, garage, warehouse etc..Current video intercom is mostly only able to display vision signal all the way,
Needless to say it can show that multi-channel video signal can also record a video simultaneously simultaneously.There is the DVR/ that can access multi-channel video certainly in the market
NVR monitor product, but can combine the doorbell products of intercommunication and unlocking almost without.
Now, camera in the market is many kinds of, has traditional simulation camera, simulation high-definition camera, number to take the photograph
As head etc..Indoor unit to be compatible with these cameras be it is relatively difficult, need to carry out the setting and debugging of differentiation, give technology people
Member and user both increase difficulty.
Although current mobile phone has been popularized, some families still remain with fixed-line telephone habit.In view of time
Seldom, domestic space is also taken up.Therefore in order to reduce space hold, the repeating part of equipment is reduced, it is necessary to by telephone set
It is integrated into inside the indoor unit of video doorbell, synthesizes an equipment.
In addition, the indoor unit of existing intercom system is generally all hung on the wall in parlor, or it is placed on the table in parlor
On face.It answers, unlock if user in bedroom, must go to parlor every time, it will be very inconvenient.Therefore seek a kind of simple
Wireless audio reception module, be individually placed at other rooms, then become very necessary, both can with outdoor unit carry out audio
Intercommunication, control of unlocking, and can receive calls.
Above sound channel is numerous, from doorway machine to indoor unit, from doorway machine to wireless audio reception module, from doorway machine
To external call；From external call to indoor unit, from external call to wireless audio reception module etc..This just needs to design one group
Logic is rationally, smoothly frequency switch circuit meets audio request for access sound.
In view of above-mentioned analysis, the design is directed to the video entryphone provided shortcomings and deficiencies being commonly used and improves
With promotion.
Summary of the invention
The purpose of the present invention is to solve disadvantage existing in the prior art, and one kind for proposing is multi-functional to connect simultaneously
Enter the visual-speaking system of multi-channel video picture.
To achieve the goals above, present invention employs following technical solutions: one kind is multi-functional can to access multichannel simultaneously
The visual-speaking system of video pictures, including two doorway machines, indoor unit and six CCTV video cameras, indoor unit include electricity
Talk about module, frequency switch circuit, wireless audio sending module, HANDSET, four tunnel video image processing modules, video image coding
Decoding chip, LCD drive module, Panel, wireless audio reception module, MCU, the output end of the doorway machine respectively with audio
Switching circuit is connected with the input terminal of four tunnel video image processing modules, the output end of six CCTV video cameras and four tunnels
The input terminal of video image processing module is electrically connected, the output end phase of the input terminal and phone module of the frequency switch circuit
Connection, the output end of the frequency switch circuit respectively with wireless audio sending module, HANDSET and video image encoding and decoding core
The input terminal of piece is connected, and the output end of the video image encoding and decoding chip is connected with the input terminal of LCD drive module, and
The output end of LCD drive module is connected with the input terminal of Panel and MCU respectively.
It is as above-mentioned technical proposal to further describe:
Sent phone module is by dual tone multi-frequency signal generator HT9200A, touch-tone signal receiver HT9172, MC34118
Hand-free call integrated circuit, dialing detection circuit and control circuit composition.
It is as above-mentioned technical proposal to further describe:
There are two the four tunnels video image processing module is arranged altogether, the four tunnels video image processing module uses NVP6134C
Chip can receive four tunnel input signals: can be high definition AHD signal, be also possible to non-AHD signal.
It is as above-mentioned technical proposal to further describe:
The video image encoding and decoding chip uses GM8296 chip, and GM8296 chip is the SD1 of a multichannel, 960H
The professional SOC chip of DVR, HD DVR and NVR design, most 16 road 720P high definition DVR of Ke Jie or 8 road 1080P high definitions
DVR。
It is as above-mentioned technical proposal to further describe:
The wireless audio sending module also passes through wireless transmission and is connected with wireless audio reception module.
It is as above-mentioned technical proposal to further describe:
The HANDSET is made of a full-duplex telephone chip module TEA1062 and external microphone with loudspeaker.
In the present invention, 1. overcome the deficiencies of the prior art and provide it is a kind of can access up to 8 channels include two outdoor doorways
Machine, six CCTV video cameras, and it is simultaneously displayed on a picture, the technology that can also further record a video, store simultaneously can allow
Client oneself selection, multiple indoor units can be connect, and between extension set can mutually intercommunication video doorbell system.
2, compatible traditional common camera, simulation high-definition camera, synthesize one with video doorbell indoor unit for telephone set
Equipment indoors while extension set jingle bell, sends ringing signal to indoor wireless audio by wireless audio sending module and connects
Receive module, so as to can not only realize on extension set indoors it is traditional answer, intercommunication, unlocking control function；It simultaneously can be wireless
Realized in audio receiving module answer, intercommunication, the functions such as unlocking.
3, of the invention, which realizes doorway machine and exhales
Cry, telephone rings, lead to mutually calling in every family, answered with indoor unit, between wireless audio terminal is answered, audio can smooth transmission and
The technology not interfered with each other.
Detailed description of the invention
Fig. 1 is the frame of the multi-functional visual-speaking system that can access multi-channel video picture simultaneously of one kind proposed by the present invention
Frame structural schematic diagram；
Fig. 2-5 is the circuit diagram of phone module in the present invention；
Fig. 6 is the pin wiring diagram of four tunnel video image processing modules in the present invention；
Fig. 7-14 is the circuit diagram and pin wiring diagram of video image encoding and decoding chip in the present invention；
Figure 15-17 is LCD drive module circuit diagram and pin wiring diagram in the present invention；
Figure 18 is the circuit diagram of sound intermediate frequency switching circuit of the present invention；
Figure 19-21 is the pin wiring diagram and circuit diagram of wireless audio sending module in the present invention.
Marginal data:
1, doorway machine；2, CCTV video camera；3, phone module；4, frequency switch circuit；5, wireless audio sending module；6,
HANDSET；7, four tunnel video image processing module；8, video image encoding and decoding chip；9, LCD drive module；10,Panel；
11, wireless audio reception module；12,MCU.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment one: referring to Fig.1 and Figure 18, a kind of multi-functional video intercom system that can access multi-channel video picture simultaneously
System, including two doorway machines 1, indoor unit and six CCTV video cameras 2, indoor unit include phone module 3, Audio conversion electricity
Road 4, wireless audio sending module 5, HANDSET6, four tunnel video image processing modules 7, video image encoding and decoding chip 8, LCD
Drive module 9, Panel10, wireless audio reception module 11, MCU12, the output end of doorway machine 1 respectively with frequency switch circuit 4
It is connected with the input terminal of four tunnel video image processing modules 7, at the output end and four road video images of six CCTV video cameras 2
The input terminal for managing module 7 is electrically connected, and the input terminal of frequency switch circuit 4 is connected with the output end of phone module 3, and audio is cut
Change the output end of circuit 4 input terminal with wireless audio sending module 5, HANDSET6 and video image encoding and decoding chip 8 respectively
It is connected, the output end of video image encoding and decoding chip 8 is connected with the input terminal of LCD drive module 9, and LCD drive module 9
Output end be connected respectively with the input terminal of Panel10 and MCU12, indoor unit is also built-in with local memory device TF card,
Hard disk can also be connect.
Embodiment two: referring to Fig. 2-5, phone module 3 is by dual tone multi-frequency signal generator HT9200A, touch-tone signal
Receiver HT9172, MC34118 hand-free call integrated circuit, dialing detection circuit and control circuit composition, realize doorway machine 1
With the call function of external call, the call function of HANDSET6 and external call on indoor unit realize wireless audio reception
The call function of module 11 and external call, above-mentioned function choose corresponding voice-grade channel by MCU12；And control dual-tone multifrequency
HT9200A, HT9172 and auxiliary circuit realize the encoding and decoding of telephone signal.
Embodiment three: referring to Fig. 6, there are two the total settings of four tunnel video image processing modules 7, four tunnel video image processing moulds
Block 7 uses NVP6134C chip, can receive four tunnel input signals: can be high definition AHD signal, be also possible to non-AHD signal,
NVP6134C is a kind of AHD analog decoder (RX) chip, its energy reliable reception realizes overlength on existing mimic transmission line
The high-definition video signal of distance (500 meters)；Using the separation of advanced y/c signal, signal filtering, 3D noise reduction technology, image clearly
Du Genggao, image restoring are good；AHD, the non-AHD product of other compatible producers；Without compression, real-time Transmission；Support a variety of cables,
Reliability can be ensured even if the cable of old low cost, be not necessarily to rewiring.
Two NVP6134C can receive 8 tunnel input signals: two doorway machines 1(DOOR1, DOOR2), add 6 CCTV to take the photograph
Camera 2, they can be different camera: high definition AHD camera, traditional CVBS camera etc..VIDEO OUT output
656 signals are given to next video image encoding and decoding chip 8.
Example IV: referring to Fig. 7-12, video image encoding and decoding chip 8 uses GM8296 chip, and GM8296 chip is one
The professional SOC chip of the SD1 of a multichannel, 960H DVR, HD DVR and NVR design, most 16 road 720P high definitions of Ke Jie
DVR or 8 road 1080P high definition DVR, provides H.264 high image quality codec, JPEG codec etc..Storage photo files,
Sound shadow file supports the output of VGA signal, receives and turns serial ports instruction from the touch of LCD drive module 9, and complete: taking pictures, records a video
Function；Single channel shows/8 channels while showing switching；The functions such as preservation, broadcasting, the deletion of file,
AUDIO sound enters GM8296 by line_IN in bus, sound is played back after being recorded and the tinkle of bells passes through GM_
LINE_OUT is output to electronic sound volume controller CSC62429.Dividing two-way again, the tinkle of bells ring-back tone sends back to AUDIO bus all the way,
Another way playback sound music is output to SPEAKER by audio frequency power amplifier FT690M.
Embodiment five: 5-17 referring to Fig.1, LCD drive module (T123), be responsible for LCD Driver driving, touch screen control,
UI is shown, I/O port is controlled has serial communication to assist to complete speech talkback between MCU, realizes video with GM8296 serial communication
The taking pictures of image, recording function and 8 PASS VIDEOs are shown.,
Embodiment six: 9-21 referring to Fig.1, wireless audio sending module 5 also pass through wireless transmission and wireless audio reception module 11
It is connected, the audio of external call is transmitted to wireless audio reception module 11, and will received by wireless audio sending module 5
The audio output of wireless audio reception module 11 realizes connecing for wireless audio reception module 11 and external call to audio-frequency bus
It listens, call function, the incoming call of doorway machine 2 or other indoor units is transmitted to wireless audio reception module 11, and will receive
The audio output of wireless audio terminal realizes wireless audio reception module 11 and doorway machine 2, other indoor units to audio-frequency bus
Answer, call function, the audio of telephone receiver HANDSET6 on this indoor unit is transmitted to wireless audio reception module 5, and
By the audio output for receiving wireless audio terminal to audio-frequency bus, wireless wireless audio reception module 11 and this indoor unit are realized
Upper HANDSET6 answers, call function, and above-mentioned function chooses corresponding voice-grade channel to realize that HANDSET6 is by one by MCU assistance
A full-duplex telephone chip module TEA1062 and external microphone and loudspeaker form.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of multi-functional visual-speaking system that can access multi-channel video picture simultaneously, including two doorway machines (1), interior
Extension set and six CCTV video cameras (2), it is characterised in that: indoor unit includes phone module (3), frequency switch circuit (4), nothing
Line audio sending module (5), HANDSET(6), four tunnel video image processing modules (7), video image encoding and decoding chip (8),
LCD drive module (9), Panel(10), wireless audio reception module (11), MCU(12), the output end of the doorway machine (1) point
It is not connected with the input terminal of frequency switch circuit (4) He Silu video image processing module (7), six CCTV video cameras
(2) output end and the input terminal of four tunnel video image processing modules (7) are electrically connected, the frequency switch circuit (4) it is defeated
Enter end to be connected with the output end of phone module (3), the output end of the frequency switch circuit (4) is sent with wireless audio respectively
Module (5), HANDSET(6) it is connected with the input terminal of video image encoding and decoding chip (8), the video image encoding and decoding core
The output end of piece (8) is connected with the input terminal of LCD drive module (9), and the output end of LCD drive module (9) respectively with
Panel(10) it is connected with the input terminal of MCU(12).
2. the multi-functional visual-speaking system that can access multi-channel video picture simultaneously of one kind according to claim 1,
Be characterized in that, sent phone module (3) by dual tone multi-frequency signal generator HT9200A, touch-tone signal receiver HT9172,
MC34118 hand-free call integrated circuit, dialing detection circuit and control circuit composition.
3. the multi-functional visual-speaking system that can access multi-channel video picture simultaneously of one kind according to claim 1,
It is characterized in that, there are two the total settings of the four tunnels video image processing module (7), the four tunnels video image processing module (7)
Using NVP6134C chip, it can receive four tunnel input signals: can be high definition AHD signal, be also possible to non-AHD signal.
4. the multi-functional visual-speaking system that can access multi-channel video picture simultaneously of one kind according to claim 1,
It being characterized in that, the video image encoding and decoding chip (8) uses GM8296 chip, and GM8296 chip is the SD1 of a multichannel,
The professional SOC chip of 960H DVR, HD DVR and NVR design, most Ke Jie 16 road 720P high definition DVR or 8 road 1080P high
Clear DVR.
5. the multi-functional visual-speaking system that can access multi-channel video picture simultaneously of one kind according to claim 1,
It is characterized in that, the indoor unit is also built-in with local memory device TF card, can also connect hard disk.
6. the multi-functional visual-speaking system that can access multi-channel video picture simultaneously of one kind according to claim 1,
It is characterized in that, the wireless audio sending module (5) is also connected by wireless transmission with wireless audio reception module (11).
7. the multi-functional visual-speaking system that can access multi-channel video picture simultaneously of one kind according to claim 1,
It is characterized in that, the HANDSET(6) it is made of a full-duplex telephone chip module TEA1062 and external microphone with loudspeaker.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102055948A (en) * | 2009-11-10 | 2011-05-11 | 深圳市科瑞电子有限公司 | Multifunctional villa visual intercom system |
| CN201887880U (en) * | 2010-12-14 | 2011-06-29 | 深圳市科瑞电子有限公司 | Visual intercom indoor unit |
| CN202976266U (en) * | 2012-11-08 | 2013-06-05 | 深圳天行健电子有限公司 | Visual intercom access control system and multifunctional terminal thereof |
| CN106303384A (en) * | 2015-05-25 | 2017-01-04 | 赣州嘉德电子科技有限责任公司 | Multifunctional indoor unit system and processing method |
| CN208905104U (en) * | 2018-11-26 | 2019-05-24 | 深圳市元维科技有限公司 | A kind of multi-functional visual-speaking system that can access multi-channel video picture simultaneously |
-
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- 2018-11-26 CN CN201811413482.8A patent/CN110430387A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055948A (en) * | 2009-11-10 | 2011-05-11 | 深圳市科瑞电子有限公司 | Multifunctional villa visual intercom system |
| CN201887880U (en) * | 2010-12-14 | 2011-06-29 | 深圳市科瑞电子有限公司 | Visual intercom indoor unit |
| CN202976266U (en) * | 2012-11-08 | 2013-06-05 | 深圳天行健电子有限公司 | Visual intercom access control system and multifunctional terminal thereof |
| CN106303384A (en) * | 2015-05-25 | 2017-01-04 | 赣州嘉德电子科技有限责任公司 | Multifunctional indoor unit system and processing method |
| CN208905104U (en) * | 2018-11-26 | 2019-05-24 | 深圳市元维科技有限公司 | A kind of multi-functional visual-speaking system that can access multi-channel video picture simultaneously |
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