CN207926783U - A kind of digital-analog integrated intercom system - Google Patents
A kind of digital-analog integrated intercom system Download PDFInfo
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- CN207926783U CN207926783U CN201820032870.0U CN201820032870U CN207926783U CN 207926783 U CN207926783 U CN 207926783U CN 201820032870 U CN201820032870 U CN 201820032870U CN 207926783 U CN207926783 U CN 207926783U
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Abstract
The utility model discloses a kind of digital-analog integrated intercom system, which is characterized in that including：Management center machine, enclosure wall machine, digital-analog integrated doorway machine, interchanger, digital indoor unit, layered decoder and simulation indoor unit, it is connected by Ethernet between the management center machine and the interchanger, the interchanger is connect with the digital-analog integrated doorway machine, the digital indoor unit and the enclosure wall machine by Ethernet respectively；It is connected between the simulation indoor unit and the layered decoder and with common cable between the layered decoder and the digital-analog integrated doorway machine, signal transmission is carried out using analog signal.The utility model can very easily realize that simulation system is connected with digital display circuit, compatible with digital system and simulation system, and communication protocol between energy automatic adaptation and converting analogue and number, it is simple in structure, the construction wiring of digital display circuit and simulation system can share, engineered at low cost, stability is high.
Description
Technical field
The utility model is related to building talkback equipment technical field more particularly to a kind of digital-analog integrated intercom systems.
Background technology
Building conversational system be realized in multilayer or skyscraper visitor, resident family and building's management center communicate with each other,
Information interchange simultaneously realizes the management system controlled the safe Vomitory of cell.
Traditional building conversational system is mainly based upon the simulation system of analog signal, there is autgmentabilities poor, function list
One, networking is influenced the shortcomings of serious by signal transmission attenuation, but its is cheap.Compared with traditional simulation system, number system
It unites measured TCP/IP technologies, wiring is simple, network savvy is powerful, scalability is strong, but higher price.Due to simulation
System and digital display circuit have a respective advantage, and many periods of the cell from moving in for the first time to all completing may be up to it is several
Year, the presumable installation digital display circuit of different balconys in same cell, some installation simulation systems.The client of simulation system is same
Sample wants to enjoy digital display circuit abundant network savvy and service, such as home alarm, home wiring control, remote monitoring, society
Area's service etc..Therefore, how existing simulation system is upgraded, realizes the connection and communication of simulation system and digital display circuit,
As a research topic in building talkback field.
However, the communication of digital display circuit is based on Ethernet ICP/IP protocol, addressed using IP modes；And simulation system is most
It using 485 emulation bus agreements, is addressed using ID modes, therefore simulation system and digital display circuit are deposited in terms of basic communication protocol
In huge otherness.How under the conditions of smaller system variation and change in the work, realize that cross-system communication is this field
Problem urgently to be resolved hurrily.
Utility model content
For problems of the prior art, the purpose of this utility model is to provide a kind of simple in structure, stability
Good, energy compatible analog and digital communication intercom system.
To achieve the above objectives, the utility model adopts the following technical solution.
A kind of digital-analog integrated intercom system, which is characterized in that including：Management center machine, enclosure wall machine, digital-analog integrated door
Mouth machine, interchanger, digital indoor unit, layered decoder and simulation indoor unit, between the management center machine and the interchanger
Be connected by Ethernet, the interchanger respectively with the digital-analog integrated doorway machine, the digital indoor unit and described
Enclosure wall machine is connected by Ethernet；Between the simulation indoor unit and the layered decoder and the layered decoder
It is connect with common cable between the digital-analog integrated doorway machine, common cable can be common cable, use simulation letter
Number carry out signal transmission.
As a further illustration of the above scheme, being connected with server on the interchanger.
As a further illustration of the above scheme, the digital-analog integrated doorway machine includes：Master control borad, with the master control borad
Camera module, microphone, loud speaker, display screen, button and the Card Reader plate of connection, the Card Reader plate are used for realizing enabling of swiping the card
Function, the button are used for realizing that intercom calls and secret number function, the display screen are used for realizing human-computer interaction function, institute
It states camera module and is used for realizing that video input function, the loud speaker are used for realizing intercommunication call, play the tinkle of bells and alarm sound
Function, the microphone are used for realizing the function of intercommunication call pickup；It is equipped with analog interface on the master control borad and number connects
Mouthful, configured with the mode switch being connect with the analog interface and the digital interface in the camera module, in institute
State the channel conversion IC for being connected on microphone and being connect with the analog interface and the digital interface.
As a further illustration of the above scheme, being equipped with master chip, institute on the digital-analog integrated doorway machine master control borad
State that master chip judges the digital-analog integrated doorway machine calling is digital indoor unit, simulation indoor unit or management center machine.
As a further illustration of the above scheme, when the digital-analog integrated doorway machine calls the digital indoor unit,
The vision signal that the camera generates is switched to digital signal through mode switch, and is inputted after video decoding chip is handled
Master chip；When the digital-analog integrated doorway machine calling be the simulation indoor unit when, the video that the camera generates is believed
Number it is switched to analog signal through mode switch, and difference channel is transferred to the simulation indoor unit.
As a further illustration of the above scheme, when the doorway machine calls the digital indoor unit, the microphone
The voice signal of pickup input digital audio processing after the processing of channel conversion IC echo chip that disappears disappear and to input again after echo
Audio optimization and transmission are carried out to master chip；When the doorway machine calls the simulation indoor unit, the microphone pickup
Voice signal inputs the talk-back circuit that disappears after the processing of channel conversion IC and carries out disappear echo and audio transmission.
As a further illustration of the above scheme, the digital audio processing disappears, talk-back circuit chip is FM1188；It is described
When doorway machine and digital indoor unit, center machine call, the audio of the pickup of the microphone is laggard by FM1188 chip processings
Enter master chip to be transferred on IP network, again by doorway machine after signal is fed back to FM1188 by the audio that IP network transmits
Loud speaker broadcasts.
As a further illustration of the above scheme, analogue audio frequency hand-free circuit is equipped in the doorway machine, it is described
Analogue audio frequency hand-free circuit chip is MC34018, and when indoor unit call is exhaled and simulated to the doorway machine, the microphone picks up
The audio taken gives audio transmission to simulation indoor unit, the audio that simulation indoor unit transmits after MC34018 chip processings
It is broadcasted by the loud speaker of doorway machine after MC34018 chip processings.
As a further illustration of the above scheme, when the enclosure wall machine calls simulation indoor unit, the calling letter of enclosure wall machine
Number digital-analog integrated doorway machine is transferred to by Ethernet, digital-analog integrated doorway machine judgement is connected to after calling simulation indoor unit
The video output of analog channel, master chip is linked into analog video interface, by the video signal transmission of enclosure wall machine in simulating chamber
Machine；The audio input output of master chip is connected with analogue audio frequency hand-free circuit input and output, enclosure wall machine and simulation indoor unit
It converses.
When the simulation indoor unit Call Management Center machine, the call signal for simulating indoor unit is transmitted to digital-analog integrated door
Mouth machine, digital-analog integrated doorway machine pass through Ethernet connection management center machine, the input of analog channel audio hands speaking circuit
The output connection of the audio input of output and master chip, management center machine and simulation indoor unit are conversed.
As a further illustration of the above scheme, working as the digital indoor unit, digital-analog integrated doorway machine, enclosure wall machine and pipe
When managing the mutual calling talkback of center machine any two equipment, calling, audio-video signal pass through Ethernet connection transmission.
The utility model has the beneficial effects that：
One, intercom system can be used simultaneously digital indoor unit and simulation indoor unit, and digital-analog integrated doorway machine can be simultaneously
Digital indoor unit and simulation indoor unit are connect, the connection communication of simulation system and digital display circuit in building conversational system is well solved
Problem.
It two, can be with more convenient unification point using digital-analog integrated doorway machine compatible with digital system and simulation system
With being managed, and can communication protocol between automatic adaptation and converting analogue and number, it is simple in structure, it is engineered at low cost,
Stability is high.
Three, Connection Service device on switches can be managed all in intercom system using the management software on server
Equipment realizes that the comprehensive of intercom system uses.
Description of the drawings
Fig. 1 show digital-analog integrated intercom system structural schematic diagram provided by the utility model.
Fig. 2 show simulation and numeral all-in-one doorway machine structure diagram.
Fig. 3 show master control borad structure diagram.
Fig. 4 show the connection circuit diagram of mode switch.
Fig. 5 show the connection circuit diagram of channel conversion IC.
Fig. 6 show the flow chart of doorway machine calling digital indoor unit.
Fig. 7 show the flow chart of doorway machine calling simulation indoor unit.
Fig. 8 show the flow chart of doorway machine call center machine.
Fig. 9 show the flow chart that doorway machine is monitored using indoor unit.
Reference sign：
1：Management center machine, 2：Enclosure wall machine, 3：Digital-analog integrated doorway machine, 4：Interchanger, 5 digital indoor units, 6：Layering
Decoder, 7：Simulation indoor unit, 8：Server.
Specific implementation mode
In the present invention, except as otherwise clear stipulaties and restriction, if any term " assembling ", " connected ", " connection " term
It should go to understand as broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can also be machine
Tool connects；It can be directly connected, can also be to be connected by intermediary, can be connected inside two elements.For
For those of ordinary skill in the art, it can understand that above-mentioned term in the present invention specific contains as the case may be
Justice.
In utility model, unless otherwise specified and limited, fisrt feature the "upper" of second feature or "lower" can be with
It is in direct contact including the first and second features, can also not be to be in direct contact but pass through it including fisrt feature and second feature
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " under " and " above " include fisrt feature
Right over second feature and oblique upper, or it is only to indicate that fisrt feature level height is higher than the height of second feature.First
Feature second feature " on ", " under " and " below " include that fisrt feature is directly under or diagonally below the second feature, or only
Only indicate that fisrt feature level height is less than second feature.
Made by being further described to specific embodiment of the present utility model with reference to the attached drawing of specification
The technical solution of the utility model and advantage are clearer, clear.It is to show to describe embodiment below with reference to attached drawing
Example property, it is intended to explain the utility model, and should not be understood as limiting the present invention.
As shown in figs. 1 to 9, a kind of digital-analog integrated intercom system, which is characterized in that including：Management center machine 1, enclosure wall
Machine 2, digital-analog integrated doorway machine 3, interchanger 4, digital indoor unit 5, layered decoder 6 and simulation indoor unit 7, in the management
Be connected by Ethernet between scheming 1 and the interchanger 4, the interchanger 4 respectively with the digital-analog integrated doorway
Machine 3, the digital indoor unit 5 are connected with the enclosure wall machine 2 by Ethernet；The simulation indoor unit 7 and layering solution
It is connected between code device 6 and with common cable between the layered decoder 6 and the digital-analog integrated doorway machine 3, uses mould
Quasi- signal carries out signal transmission, and server 8 is also associated on the interchanger 4, can be managed using the management software on server 8
The all devices in intercom system are managed, realize that the comprehensive of intercom system uses.
Wherein, the digital-analog integrated doorway machine includes：Master control borad, the camera module being connect with the master control borad, wheat
Gram wind, loud speaker, display screen, button and Card Reader plate, the Card Reader plate are used for realizing that door opening function of swiping the card, the button are used for real
Existing intercom calls and secret number function, the display screen are used for realizing that human-computer interaction function, the camera module are used for real
Existing video input function, the loud speaker are used for realizing intercommunication call, play the tinkle of bells and alarm sound function, and the microphone is used for
Realize the function of intercommunication call pickup；It is characterized in that, analog interface and digital interface are equipped on the master control borad, described
Configured with the mode switch being connect with the analog interface and the digital interface in camera module, on the microphone
It is connected with the channel conversion IC being connect with the analog interface and the digital interface.Digital work(is connected on the loud speaker
SGM4890 is put, for amplifying the audio signal of loud speaker.
Preferably, the mode switch is chip PI5V330WE.The chip that the channel conversion IC uses for
ADG884。
Master chip is equipped on the master control borad, what the master chip judged doorway machine calling be digital indoor unit,
Simulate indoor unit or center machine.
When the doorway machine calls the digital indoor unit, the vision signal that the camera generates is through mode switch
It is switched to digital signal, and master chip is inputted after video decoding chip TW9912 processing；The sound letter that the microphone generates
The enabled digital audio processing talk-back circuit FM1188 input master chips that disappear number are closed after the processing of channel conversion IC, through power supply to carry out
Disappear echo.Digital indoor unit plays the tinkle of bells before answering, and the liphone auto-pickups of digital indoor unit are simultaneously shown in digital indoor unit
Image；After digital indoor unit is answered, the tinkle of bells stops playing, and source of sound is switched to main core bit end, and the talk-back circuit FM1188 that disappears is enabled to be opened,
Output digit signals；Digital indoor unit restPoses after hanging up.
When doorway machine calling be the simulation indoor unit when, the vision signal of camera generation is cut through pattern
Parallel operation is switched to analog signal, and difference channel is transferred to the simulation indoor unit.The voice signal warp that the microphone generates
The input talk-back circuit that disappears disappear and to be transferred directly to the simulation indoor unit after echo after the processing of channel conversion IC.Simulate indoor unit
It before answering, plays the tinkle of bells and obtains image, after simulation indoor unit is answered, stop playing the tinkle of bells, it is defeated that source of sound is switched to main core bit end
Go out analog signal；(doorway machine) restPoses after simulation indoor unit is hung up.
Analogue audio frequency hand-free circuit is equipped in the doorway machine, the analogue audio frequency hand-free circuit chip is
MC34018, when indoor unit call is exhaled and simulated to the doorway machine, the audio of the microphone pickup is by MC34018 chips
Audio transmission is given to simulation indoor unit after reason, and the audio that simulation indoor unit transmits is after MC34018 chip processings by door
The loud speaker of mouth machine broadcasts.
When the enclosure wall machine calls simulation indoor unit, the call signal of enclosure wall machine is transferred to digital analog integrated by Ethernet
Change doorway machine, digital-analog integrated doorway machine judgement is to be connected to analog channel, the video output of master chip after indoor unit is simulated in calling
It is linked into analog video interface, gives the video signal transmission of enclosure wall machine to simulation indoor unit；Master chip audio input output and
Analogue audio frequency hand-free circuit input and output connect, and enclosure wall machine and simulation indoor unit are conversed.
When the simulation indoor unit Call Management Center machine, the call signal for simulating indoor unit is transmitted to digital-analog integrated door
Mouth machine, digital-analog integrated doorway machine pass through Ethernet connection management center machine, the input of analog channel audio hands speaking circuit
The output connection of the audio input of output and master chip, management center machine and simulation indoor unit are conversed.
When the digital indoor unit, digital-analog integrated doorway machine, enclosure wall machine and management center machine any two equipment are mutual
When calling talkback, calling, audio-video signal are connected by Ethernet and are transmitted.
When the above-mentioned simulation and numeral all-in-one doorway machine of practical application, simulates and connected by common cable between indoor unit and doorway machine
It connects, common cable can be common cable, be connected on the analog interface of doorway machine；Digital indoor unit, enclosure wall machine and center machine are logical
It crosses interchanger to connect with doorway machine, be connected in the digital interface of doorway machine with cable；Same doorway machine can access number simultaneously
Indoor unit and simulation indoor unit, can very easily realize that simulation system is connected with digital display circuit, compatible with digital system and simulation
System, and can communication protocol between automatic adaptation and converting analogue and number, simple in structure, digital display circuit and simulation system are applied
Work wiring can share, engineered at low cost, and stability is high.
From the foregoing description of structures and principles it should be understood by those skilled in the art that, the utility model
It is not limited to above-mentioned specific implementation mode, it is equal using the improvement of techniques well known and replacement on the basis of the utility model
It falls in the scope of protection of the utility model, the scope of protection of the utility model should be limited by each claim and its equivalent
It.
Claims (10)
1. a kind of digital-analog integrated intercom system, which is characterized in that including：Management center machine, enclosure wall machine, digital-analog integrated doorway
Machine, interchanger, digital indoor unit, layered decoder and simulation indoor unit, lead between the management center machine and the interchanger
Ethernet is crossed to be connected, the interchanger respectively with the digital-analog integrated doorway machine, the digital indoor unit and described enclose
Wall telephone is connected by Ethernet；Between the simulation indoor unit and the layered decoder and the layered decoder with
It is connected with common cable between the digital-analog integrated doorway machine, signal transmission is carried out using analog signal.
2. a kind of digital-analog integrated intercom system according to claim 1, which is characterized in that connected on the interchanger
There is server.
3. a kind of digital-analog integrated intercom system according to claim 1, which is characterized in that the digital-analog integrated doorway
Machine includes master control borad, camera module, microphone, loud speaker, display screen, button and the Card Reader plate being connect with the master control borad,
The Card Reader plate is used for realizing door opening function of swiping the card, and the button is used for realizing intercom calls and secret number function, described aobvious
Display screen is used for realizing that human-computer interaction function, the camera module are used for realizing that video input function, the loud speaker are used for real
Existing intercommunication call plays the tinkle of bells and alarm sound function, and the microphone is used for realizing the function of intercommunication call pickup；In the master
It controls plate and is equipped with analog interface and digital interface, be configured with and the analog interface and the number in the camera module
Interface connection mode switch, be connected on the microphone connect with the analog interface and the digital interface lead to
Road conversion IC.
4. a kind of digital-analog integrated intercom system according to claim 3, which is characterized in that in the digital-analog integrated door
Mouthful machine master control borad is equipped with master chip, what the master chip judged the digital-analog integrated doorway machine calling be digital indoor unit,
Simulate indoor unit or management center machine.
5. a kind of digital-analog integrated intercom system according to claim 4, which is characterized in that when the digital-analog integrated door
When mouth machine calls the digital indoor unit, the vision signal that the camera module generates is switched to digital letter through mode switch
Number, and input master chip after video decoding chip is handled；What it is when the digital-analog integrated doorway machine calling is the simulating chamber
When interior machine, the vision signal that the camera module generates is switched to analog signal through mode switch, and difference channel transmits
To the simulation indoor unit.
6. a kind of digital-analog integrated intercom system according to claim 4, which is characterized in that when the doorway machine calls institute
When stating digital indoor unit, the voice signal of the microphone pickup inputs digital audio processing after the processing of channel conversion IC and disappears back
Sound chip disappear to be input to master chip after echo and carries out audio optimization and transmission again；When the doorway machine calls the simulating chamber
When interior machine, the voice signal of the microphone pickup inputs the talk-back circuit that disappears after the processing of channel conversion IC and carries out disappear echo and sound
It keeps pouring in defeated.
7. a kind of digital-analog integrated intercom system according to claim 6, which is characterized in that the digital audio processing disappears
Talk-back circuit chip is FM1188；When the doorway machine and digital indoor unit, center machine call, the sound of the pickup of the microphone
Frequency is transferred into master chip on IP network after FM1188 chip processings, feeds back signal by the audio that IP network transmits
To after FM1188 again pass through the loud speaker of doorway machine broadcast.
8. a kind of digital-analog integrated intercom system according to claim 4, which is characterized in that be equipped in the doorway machine
Analogue audio frequency hand-free circuit, the analogue audio frequency hand-free circuit chip are MC34018, and the doorway machine is exhaled and simulated
When indoor unit is conversed, the audio of the microphone pickup gives audio transmission to simulation indoor unit after MC34018 chip processings,
The audio that simulation indoor unit transmits is broadcasted after MC34018 chip processings by the loud speaker of doorway machine.
9. a kind of digital-analog integrated intercom system according to claim 4, which is characterized in that when the enclosure wall machine calls mould
When quasi- indoor unit, the call signal of enclosure wall machine is transferred to digital-analog integrated doorway machine, digital-analog integrated doorway machine by Ethernet
Judgement is to be connected to analog channel after indoor unit is simulated in calling, and the video output of master chip is linked into analog video interface, by enclosure wall
The video signal transmission of machine gives simulation indoor unit；The audio input output and the input of analogue audio frequency hand-free circuit of master chip are defeated
Go out connection, enclosure wall machine and simulation indoor unit are conversed；
When the simulation indoor unit Call Management Center machine, the call signal for simulating indoor unit is transmitted to digital-analog integrated doorway
Machine, for digital-analog integrated doorway machine by Ethernet connection management center machine, the input of analog channel audio hands speaking circuit is defeated
Go out to export with the audio input of master chip and connect, management center machine and simulation indoor unit are conversed.
10. a kind of digital-analog integrated intercom system according to claim 4, which is characterized in that when the digital indoor unit,
When digital-analog integrated doorway machine, enclosure wall machine and the mutual calling talkback of management center machine any two equipment, calling, audio-video signal
It is connected and is transmitted by Ethernet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820032870.0U CN207926783U (en) | 2018-01-09 | 2018-01-09 | A kind of digital-analog integrated intercom system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820032870.0U CN207926783U (en) | 2018-01-09 | 2018-01-09 | A kind of digital-analog integrated intercom system |
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| CN207926783U true CN207926783U (en) | 2018-09-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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