CN203251370U - Visual intercom system - Google Patents
Visual intercom system Download PDFInfo
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- CN203251370U CN203251370U CN 201320111249 CN201320111249U CN203251370U CN 203251370 U CN203251370 U CN 203251370U CN 201320111249 CN201320111249 CN 201320111249 CN 201320111249 U CN201320111249 U CN 201320111249U CN 203251370 U CN203251370 U CN 203251370U
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Abstract
The utility model relates to a communication system, especially relates to a visual intercom system of a building. The visual intercom system comprises a digital unit machine, a digital extension and a simulation extension. The digital unit machine is in communication connection with the digital extension, and the simulation extension is also in communication connection with the digital extension. A digital audio signal and a digital video signal of the digital unit machine are transmitted to the digital extension, and the digital extension transforms the digital audio signal of the digital unit machine into a simulation audio signal to transmit to the simulation extension, transforms the digital video signal of the digital unit machine into a simulation video signal to transmit to the simulation extension, and transforms a simulation audio signal of the simulation extension into a digital audio signal to transmit to the digital unit machine, or transmits an own digital audio signal of the digital extension to the digital unit machine. The visual intercom system of the utility model is used to realize the low-cost visual intercom.
Description
Technical field
The utility model relates to communication system, especially the used communication system of building security protection, the specifically visible dialogue system of building.
Background technology
Visible dialogue system is the modern Residential Area service measures of a cover, the communication system of this video intercom provides bidirectional visual conversation between visitor and the resident family, thereby reach image, the dual identification increase of voice security reliability, save simultaneously a large amount of time, improved efficient.Therefore, visible dialogue system progressively becomes the indispensable corollary equipment of comfortable house.
Visible dialogue system is different according to the position of installing, and comprises indoor set and off-premises station, connects the calling of off-premises station by indoor set and carries out video intercom.Off-premises station is the unit machine at building gate and the unit machine that is installed on the resident family entrance, and indoor set then is the main extension in the resident family hall and the secondary extension set that is installed in each room.Be subjected in the reason of technology and cost, previous visible dialogue system is based on that analog signal realizes more.Along with the progress of digital communication technology and day by day universal, the substitute is, existing visible dialogue system all adopts digital signal to realize.Therefore, in the existing visible dialogue system, the unit machine on building gate and resident family entrance is to adopt the digital units machine, and the extension set in resident family hall and the room is to adopt digital extension set to realize.
The main extension in resident family hall is except being used for the video intercom function, also be used for the digital control of intelligent home device, yet the secondary extension set in the resident family room only is used for realizing that the video intercom function gets final product, and need not to adopt the equally powerful digital extension set of main extension to realize.This shows that existing digital visual intercom system exists installs and uses the high weak point of cost.
The utility model content
Therefore, the utility model proposes a kind of improved visible dialogue system for existing digital visual intercom system above shortcomings part, and this visible dialogue system can carry out intelligent digital-to-analogue conversion, can connect a plurality of simulation extension sets with realization, thereby greatly reduce user's the cost of installing and using.
A kind of visible dialogue system comprises digital units machine, digital extension set and simulation extension set, and this digital units machine and digital extension set are by establishing a communications link, and this simulation extension set also establishes a communications link with digital extension set.The digital audio and video signals of this digital units machine and digital signal transmission are to this numeral extension set, this numeral extension set transfers to the simulation extension set after converting this digital audio and video signals of digital units machine to simulated audio signal, and transfer to the simulation extension set after converting this digital video signal of digital units machine to analog video signal, and the simulated audio signal that will simulate extension set converts digital audio and video signals to or self digital audio and video signals is transferred to the digital units machine.
Wherein, at least comprise an arm processor, an A/D modular converter, a D/A modular converter, two audio amplifier circuit modules, a switch switching circuit, a singlechip controller, one 2/4 line circuits and a video conversion chip on this numeral extension set, and establish a communications link by communication module and above-mentioned digital units machine and simulation extension set.Arm processor is connected to the A/D modular converter, the A/D modular converter is connected to the audio amplifier circuit module, this audio amplifier circuit module is connected to switch switching circuit, arm processor also is connected to the D/A modular converter, the D/A modular converter is connected to another audio amplifier circuit module, this audio amplifier circuit module also is connected to switch switching circuit, and this switch switching circuit is connected to singlechip controller and 2/4 line circuit, and arm processor also is connected to the video conversion chip.After this arm processor carries out audio decoder with the digital audio and video signals of digital units machine, export simulated audio signal by the D/A modular converter after the decoding, by the audio amplifier circuit module audio signal is amplified again, and switch to 2/4 line circuit by switch switching circuit and carry out anti-sidetone and process, the simulated audio signal of simulation extension set is through 2/4 line circuit, switch switching circuit is to audio amplifier circuit, after by audio amplifier circuit simulated audio signal being amplified, carry out after the A/D conversion by the arm processor digital audio and video signals of encoding out via the A/D modular converter again, and be transferred to the digital units machine.Singlechip controller control switch commutation circuit is carried out voice-grade channel and is switched.Simultaneously, this arm processor changes into liquid crystal display screen TTL signal with the digital video signal of digital units machine, is changed into the CVBS analog video signal and is sent to the simulation extension set by the video conversion chip.
Wherein, these digital units facility have the RJ45 interface, this numeral extension set has RJ45 interface and 8p interface, this simulation extension set has the 8p interface, connected with network cable between RJ45 interface by the digital units machine and the RJ45 interface of digital extension set, and with this digital units machine and digital extension set by establishing a communications link, connect the 8p connection between the 8p interface by digital extension set and the 8p interface of simulation extension set, and will simulate extension set and digital extension set establishes a communications link.
The utility model adopts as above technical scheme, will add intelligent analog conversion function in the digital extension set, digital sound, the vision signal of digital units machine can be converted to analog audio-video, frequency signal, therefore can connect a plurality of simulation extension sets.Can replace digital extension set with low-cost simulation extension set, thereby greatly reduce user's the cost of installing and using.
Description of drawings
Fig. 1 is the total connection diagram of system of the present utility model.
Fig. 2 is the connection diagram that the functional module of each device in the system of the present utility model forms.
Embodiment
Now with embodiment the utility model is further specified by reference to the accompanying drawings.
Consult shown in Figure 1ly, visible dialogue system comprises: digital units machine 1, digital extension set 2 and simulation extension set 3, this digital units machine 1 and digital extension set 2 are by establishing a communications link, and this simulation extension set 3 also establishes a communications link with digital extension set 2.Shown in the figure, digital extension set 2 also is connected to power module 4, and power module 4 is its power supply.Certain, omission does not draw among the figure, but digital units machine 1 and simulation extension set 3 also need access power supply with normal operation.Need to prove that each device in the visible dialogue system among the figure all draws 1 and is the example explanation, whole visible dialogue system in actual applications, the quantity of digital units machine 1, digital extension set 2 and simulation extension set 3 is one or more that arrange as required.For example digital units machine 1 had both comprised the building unit machine that is installed on doorway, entire building space building, also comprised the doorway unit machine that is installed on each resident family entrance; And for example digital extension set 2 generally is to be installed on each resident family hall, and a plurality of secondary extension sets (simulation extension set 3) generally also can be installed in a plurality of rooms of this resident family.
In the visible dialogue system, the digital audio and video signals of this digital units machine 1 and digital signal transmission are to this numeral extension set 2, this numeral extension set 2 transfers to simulation extension set 3 after converting this digital audio and video signals of digital units machine 1 to simulated audio signal, and transfer to simulation extension set 3 after converting this digital video signal of digital units machine 1 to analog video signal, and the simulated audio signal that will simulate extension set 3 converts digital audio and video signals to or self digital audio and video signals is transferred to digital units machine 1.Like this, by the artificial intelligence translation function of this numeral extension set 2, simulation extension set 3 can be accessed in this visible dialogue system, carry out video intercom with digital units machine 1.
In this system, digital units machine 1 and simulation extension set 3 all are to adopt existing digital units machine and simulation extension set to realize.Existing arbitrarily digital units machine all is to have at least: a miaow head, be used for gathering sound, one loudspeaker, be used for sounding, one camera, be used for the collection head picture, one arm processor, be used for sound that miaow head and camera collection are arrived, Video signal encoding becomes the sound of the numeral of specific coding rule, vision signal, and give loudspeaker behind the digital audio and video signals that receives of decoding, and also comprise a communication module, the digital sound after being used for to encode, vision signal packing and by network cable transmission to digital extension set 2, and the digital audio and video signals that receives digital extension set 2 transmission.In addition, the digital units machine also has the composition module of the custom circuit necessity such as power module, audio frequency and video chip, and may have button, touch-screen etc. according to function model difference.Same, existing simulation extension set all is to have at least: a miaow head, be used for gathering sound, loudspeaker are used for sounding, one simulating display screen, be used for showing image, one 2/4 line circuits, the elimination sidetone when being used for intercommunication is processed, one video frequency processing chip is used for the analog video signal that receives is processed into the picture signal that can allow simulating display screen show.In addition, the simulation extension set also has the composition module of the custom circuit necessity such as power module, microcontroller.Digital units machine 1 in this visible dialogue system and simulation extension set 3 all are to adopt existing techniques in realizing, and concrete composition is realized consulting published prior art document, in this no longer one by one model be elaborated.
Digital extension set 2 in this visible dialogue system improves, and except the function with conventional digital extension set, also additionally has the function of digital-to-analogue conversion.Concrete, consult shown in Figure 2, at least comprise an arm processor 21, an A/D modular converter 22, a D/A modular converter 23, two audio amplifier circuit modules 24,25, one switch switching circuit 26, a singlechip controller 27, one 2/4 line circuits 28 and a video conversion chip 29 on this numeral extension set 2, and establish a communications link by communication module (not shown in FIG.) and above-mentioned digital units machine 1 and simulation extension set 3.Arm processor 21 is connected to A/D modular converter 22, A/D modular converter 22 is connected to audio amplifier circuit module 25, this audio amplifier circuit module 25 is connected to switch switching circuit 26, arm processor 21 also is connected to D/A modular converter 23, D/A modular converter 23 is connected to another audio amplifier circuit module 24, this audio amplifier circuit module 24 also is connected to switch switching circuit 26, this switch switching circuit 26 is connected to singlechip controller 27 and 2/4 line circuit 28, and arm processor 1 also is connected to video conversion chip 29.In addition, this numeral extension set 2 also has the conventional parts such as power module, miaow head, loud speaker, digital display screen, button, and this realizes for routine techniques, is no longer to describe in detail, does not also draw among the figure.
Wherein, preferably, this digital units machine 1 has the RJ45 interface, this numeral extension set 2 has RJ45 interface and 8p interface, this simulation extension set 3 has the 8p interface, connected with network cable between the RJ45 interface by digital units machine 1 and the RJ45 interface of digital extension set 2, and with this digital units machine 1 and digital extension set 2 by establishing a communications link, connect the 8p connection between the 8p interface of the 8p interface by digital extension set 2 and simulation extension set 3, and will simulate extension set 3 and digital extension set 2 establishes a communications link.
Below, audio transmission principle and the transmission of video principle of this visible dialogue system described respectively.
The audio transmission principle: digital units machine 1 is after receiving the audio signal amplification that collects from the miaow head, delivering to the audio codec chip encodes, then by the I2S bus of inside audio coding signal is delivered to arm processor (preferably such as the ARM9 chip), by arm processor audio coding signal packing is delivered on the digital extension set 2 by communication module (preferably such as the ethernet network chip) and RJ45 interface and by netting twine again.The numeral extension set 2 arm processor 21(preferably such as the ARM9 chip) receive signal after, decode simulated audio signal by audio codec, export simulated audio signals by D/A modular converter 23 after the decoding, amplify by 24 pairs of audio signals of audio amplifier circuit module again, and switch to 2/4 line circuit 28 by singlechip controller 27 control switch commutation circuits 26 and carry out anti-sidetone and process, be transferred to by the 8P interface line on a plurality of simulation extension sets 3 at last, sounded by the loudspeaker on the simulation extension set 3.
The audio signal that simulation extension set 3 receives by its miaow head collection is passed through to amplify, 2/4 line circuit, deliver to the 8p interface, then process at 2/4 line circuit 28, switch switching circuit 26 and 25 pairs of simulated audio signals of audio amplifier circuit module by digital extension set 2, audio signal after the processing is sent the audio coder chip of arm processor 21 code of encoding to go out digital audio and video signals, and by the packing of ethernet network chip, deliver to digital units machine 1 by RJ45.Digital units machine 1 receives digital audio and video signals, it is amplified, then from the loudspeaker output sound.
If directly carry out video intercom by digital extension set 2, then the implementation of its audio transmission principle and existing digital units machine and digital extension set is in full accord, no longer repeats to give unnecessary details in this.
Transmission of video principle: collect vision signal from the camera of digital units machine 1, after its arm processor coding processing, sent on the digital extension set 2 by RJ45 by communication module, by the arm processor 21 on the digital extension set 2 digital video signal is changed into TFT liquid crystal display screen TTL signal again, change into the CVBS vision signal by video conversion chip 29, then send to a plurality of simulation extension sets 3 by the 8P interface.By the video frequency processing chip in the simulation extension set 3 the CVBS vision signal is shown from simulating display screen again.
Same, if directly carry out video intercom by digital extension set 2, then the implementation of its transmission of video principle and existing digital units machine and digital extension set is in full accord, no longer repeats to give unnecessary details in this.
As fully visible, adopt visible dialogue system of the present utility model the secondary extension set of existing a plurality of numerals can be replaced with more low-cost simulation extension set 3, realize the intelligent conversion of analog audio-video signal and digital audio-video signal by the digital extension set 2 with analog-digital conversion function; Thereby realized the video intercom operation of digital units machine 1 with digital extension set 2 or simulation extension set 3.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but the those skilled in the art should be understood that; within not breaking away from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection range of the present utility model.
Claims (3)
1. visible dialogue system is characterized in that: comprise digital units machine, digital extension set and simulation extension set, this digital units machine and digital extension set are by establishing a communications link, and this simulation extension set also establishes a communications link with digital extension set.
2. visible dialogue system according to claim 1, it is characterized in that: comprise at least an arm processor, an A/D modular converter, a D/A modular converter, two audio amplifier circuit modules, a switch switching circuit, a singlechip controller, one 2/4 line circuits and a video conversion chip on this numeral extension set, and establish a communications link by communication module and above-mentioned digital units machine and simulation extension set; Arm processor is connected to the A/D modular converter, the A/D modular converter is connected to the audio amplifier circuit module, this audio amplifier circuit module is connected to switch switching circuit, arm processor also is connected to the D/A modular converter, the D/A modular converter is connected to another audio amplifier circuit module, this audio amplifier circuit module also is connected to switch switching circuit, and this switch switching circuit is connected to singlechip controller and 2/4 line circuit, and arm processor also is connected to the video conversion chip.
3. visible dialogue system according to claim 1 and 2, it is characterized in that: these digital units facility have the RJ45 interface, this numeral extension set has RJ45 interface and 8p interface, this simulation extension set has the 8p interface, connected with network cable between RJ45 interface by the digital units machine and the RJ45 interface of digital extension set, and with this digital units machine and digital extension set by establishing a communications link, connect the 8p connection between the 8p interface of the 8p interface by digital extension set and simulation extension set, and will simulate extension set and digital extension set establishes a communications link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320111249 CN203251370U (en) | 2013-03-12 | 2013-03-12 | Visual intercom system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320111249 CN203251370U (en) | 2013-03-12 | 2013-03-12 | Visual intercom system |
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| CN203251370U true CN203251370U (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320111249 Expired - Fee Related CN203251370U (en) | 2013-03-12 | 2013-03-12 | Visual intercom system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103780879A (en) * | 2013-12-31 | 2014-05-07 | 福建星网视易信息系统有限公司 | Analog-digital hybrid building intercom system |
| CN107517328A (en) * | 2017-09-29 | 2017-12-26 | 佛山市蓝天网络科技有限公司 | A kind of side's conversation main machine of banister five of online remote control |
| CN107566672A (en) * | 2017-09-29 | 2018-01-09 | 佛山市蓝天网络科技有限公司 | A kind of side's phone system of banister five with remote control function |
| CN108024086A (en) * | 2018-01-09 | 2018-05-11 | 佛山市蓝天网络科技有限公司 | A kind of digital-analog integrated intercom system |
-
2013
- 2013-03-12 CN CN 201320111249 patent/CN203251370U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103780879A (en) * | 2013-12-31 | 2014-05-07 | 福建星网视易信息系统有限公司 | Analog-digital hybrid building intercom system |
| CN103780879B (en) * | 2013-12-31 | 2017-03-15 | 福建星网视易信息系统有限公司 | A kind of modulus mixing building conversational system |
| CN107517328A (en) * | 2017-09-29 | 2017-12-26 | 佛山市蓝天网络科技有限公司 | A kind of side's conversation main machine of banister five of online remote control |
| CN107566672A (en) * | 2017-09-29 | 2018-01-09 | 佛山市蓝天网络科技有限公司 | A kind of side's phone system of banister five with remote control function |
| CN108024086A (en) * | 2018-01-09 | 2018-05-11 | 佛山市蓝天网络科技有限公司 | A kind of digital-analog integrated intercom system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Su Jiankun Inventor before: Li Jiankun |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 Termination date: 20210312 |
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| CF01 | Termination of patent right due to non-payment of annual fee |