CN209170585U - A kind of elevator maintenance multi-party inter-speaking system based on 4G module speech - Google Patents
A kind of elevator maintenance multi-party inter-speaking system based on 4G module speech Download PDFInfo
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- CN209170585U CN209170585U CN201920249295.4U CN201920249295U CN209170585U CN 209170585 U CN209170585 U CN 209170585U CN 201920249295 U CN201920249295 U CN 201920249295U CN 209170585 U CN209170585 U CN 209170585U
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Abstract
The utility model belongs to elevator communication field, discloses a kind of elevator maintenance multi-party inter-speaking system based on 4G module speech, including five side's intercommunication elevator ends and remote port, further includes 4G module and audio processing modules；The remote port, 4G module, audio processing modules, five side's intercommunication elevator ends are sequentially connected；The audio processing modules include audio transmission unit, audio receiving unit, audio-frequency transformer.The advantage of the system is: the advantage of simulation intercommunication and digital intercom solves the problems, such as simulation intercommunication remote transmission and ordinary numbers intercom system higher cost.Although this programme still has the shortcomings that poor anti-interference of simulation intercom system, its advantage for having taken into account simulation intercommunication and ordinary numbers intercom system, relatively low cost, transmission/convenient storage, easily construction will win the bigger market competitiveness.
Description
Technical field
The utility model relates to elevator communication field, specifically a kind of elevator maintenance based on 4G module speech is multi-party
Intercom system.
Background technique
In Elevator maintenance system, core is five side's intercom systems, and five sides include monitoring center, computer room, carriage, sedan-chair
Top and hole bottom.Currently simulation intercom system and digital intecommunication system are broadly divided into for five side's intercom system of elevator.
Five traditional side's intercom systems are simulation intercom system, and each slave and the dedicated retinue cable of host computer elevator connect
It connects, speakerphone and wiring are relatively simple, and cost is relatively low, but is easy to be disturbed, and voice data storage and transmission are limited
System.
And digital intecommunication system efficiently solves the problems, such as the most of of traditional analog intercom system, can be convenient data storage
With transmission, anti-interference ability is greatly enhanced.Digital five side's intercom systems are further divided into wired intercom system according to implementation
And wireless intercom system, digital intecommunication system is widely different according to implementation difference difference performance, but its higher cost, city
Field is universal to be suppressed.
A utility application is proposed in Hua Wei Electronic Science and Technology Co., Ltd., Yantai City in 2014
CN201420475854.0, it discloses a kind of long distance wireless intercom systems, call and use especially suitable for elevator emergency, belong to
Elevator long distance wireless intercom system technical field.Including carriage communication, computer room extension set, GSM host, duty room terminal, carriage
Communication is communicated between computer room extension set and GSM host by UHF Radio Link by trailing cable and computer room extension set communication connection
Connection passes through GSM network communication connection between GSM host and duty room terminal.It is connected using the dedicated retinue cable of elevator
It realizes carriage and the communication connection of computer room extension set, and is classified by computer room and is connected with GSM main-machine communication, communication is easy by dry
It disturbs.
An application for a patent for invention is proposed Shenzhen Huichuan Technology Corp in 2013
CN201310326650.0 discloses a kind of elevator remote talkback system, including five side's talk back equipment of elevator and voice communication are set
Standby, the elevator remote talkback system further includes signal adapting device, and the signal adapting device includes differential signal interface, letter
Number processing unit and five side's intercommunication signaling interfaces；Wherein: the differential signal interface, for connecting voice communication apparatus；Institute
Five side's intercommunication signaling interfaces are stated, for connecting five side's talk back equipments；The signal processing unit, for that will believe from five side's intercommunications
The signal of number interface is converted to the signal conversion that differential signal interface and self difference signaling interface in future are sent to after differential signal
To be sent to five side's intercommunication signaling interfaces after five side's talk back equipment signals.By by differential signal and five side's talk back equipment end signals
Mutually turn, to realize the interaction of voice communication apparatus and five side's talk back equipments, enables five side's intercom system of elevator neatly
Extension.But the program has problems in that: needing to convert signal.
Utility model content
The elevator maintenance multi-party inter-speaking system based on 4G module speech that the purpose of this utility model is to provide a kind of, this is
The advantage of system is: the advantage of simulation intercommunication and digital intercom solves simulation intercommunication remote transmission and ordinary numbers intercommunication system
The problem of higher cost of uniting.Although this programme still has the shortcomings that poor anti-interference of simulation intercom system, it has taken into account simulation
The advantage of intercommunication and ordinary numbers intercom system, relatively low cost, transmission/convenient storage, easily construction will win bigger market
Competitiveness.
A kind of specific technical solution of the utility model are as follows: elevator maintenance multi-party inter-speaking system based on 4G module speech
System, including five side's intercommunication elevator ends and remote port, further include 4G module and audio processing modules；The remote port, 4G module,
Audio processing modules, five side's intercommunication elevator ends are sequentially connected；
The audio processing modules include audio transmission unit, audio receiving unit, audio-frequency transformer；The 4G mould
Block is equipped with audio output and audio input end；The voice signal of remote port passes through audio output, audio transmission unit, audio
Transformer is output on five side's intercommunication signal wires of five side's intercommunication elevator ends；The voice signal of five side's intercommunication elevator ends passes through audio
Transformer, audio receiving unit, audio input end are sent to remote port.
It further include being received for detecting audio in the above-mentioned elevator maintenance multi-party inter-speaking system based on 4G module speech
The DTMF detection circuit and MCU of DTMF (Dual Tone Multi Frequency, dual-tone multifrequency) signal of unit
(Microcontroller Unit；Micro-control unit) processor；The MCU processor respectively with DTMF detection circuit, 4G
Module is connected.
In the above-mentioned elevator maintenance multi-party inter-speaking system based on 4G module speech, the audio processing modules are also wrapped
Include anti-side-tone circuit；The anti-side-tone circuit is respectively connected to audio transmission unit, audio receiving unit and is used for audio
The voice signal anti-sidetone processing that transmission unit, audio receiving unit are transmitted.
In the above-mentioned elevator maintenance multi-party inter-speaking system based on 4G module speech, the audio processing modules are also wrapped
Include level detection unit；The level detection unit be respectively connected to audio transmission unit, audio receiving unit and for pair
The voice signal that audio transmission unit, audio receiving unit are transmitted carries out corresponding gain process.
In the above-mentioned elevator maintenance multi-party inter-speaking system based on 4G module speech, the audio transmission unit includes
Sequentially connected audio input interface, the first amplifier (AMP), sends attenuator at the first attenuator circuit；The audio input
Interface is connected with audio output；The transmission attenuator is connected with audio-frequency transformer.
In the above-mentioned elevator maintenance multi-party inter-speaking system based on 4G module speech, the audio receiving unit includes
Sequentially connected audio output interface, the second attenuator circuit, the second amplifier, receiving attenuation device；The audio output interface
It is connected with audio input end, the receiving attenuation device is connected with audio-frequency transformer.
In the above-mentioned elevator maintenance multi-party inter-speaking system based on 4G module speech, five side's intercommunication signal wires are
T/G cable.
In the above-mentioned elevator maintenance multi-party inter-speaking system based on 4G module speech, the MCU processor and 4G mould
Block is connected by USB interface.
In the above-mentioned elevator maintenance multi-party inter-speaking system based on 4G module speech, five side's intercommunication elevator end packets
Include monitoring center terminal, computer room terminal, carriage terminal, car top terminal and hole bottom terminal.
Compared with prior art, the utility model has the beneficial effects that:
Application of the speech based on 4G module that this programme proposes in five side's intercommunication of elevator is ingenious using main at present
Five side of elevator of stream simulates the advantage of intercom system and digital intecommunication system.On the one hand, low cost is realized, voice data is convenient for
The solution of storage and transmission is conducive to marketing popularization and application；On the other hand, this programme can be by traditional analog intercommunication system
It unites simple and effective access 4G network, realizes remote transmission and phonetic storage.
Detailed description of the invention
Fig. 1 is the structural block diagram of the utility model embodiment 1；
Fig. 2 is that five side's intercommunication elevator ends of the utility model embodiment 1 initiate the flow chart of call；
Fig. 3 is that the distal end duty room of the utility model embodiment 1 initiates the flow chart of call；
Fig. 4 is five side's intercommunication elevator end on-hook flow charts of the utility model embodiment 1；
Fig. 5 is the distal end duty room distal end duty room of the utility model embodiment 1.
Specific embodiment
With reference to embodiment, the technical solution of the utility model is described in further detail, but not structure
Any restrictions of pairs of the utility model.
Embodiment 1
As shown in Figure 1, a kind of elevator maintenance multi-party inter-speaking system based on 4G module speech, including five side's intercommunication elevator ends
1 and remote port 2, it further include 4G module 3 and audio processing modules 4；The remote port 2,4G module 3, audio processing modules 4,
Five side's intercommunication elevator ends 1 are sequentially connected；
The audio processing modules 4 include audio transmission unit, audio receiving unit, audio-frequency transformer 41；Described
4G module 3 is equipped with audio output 31 and audio input end 32；The voice signal of remote port 2 passes through audio output 31, audio
Transmission unit, audio-frequency transformer 41 are output on five side's intercommunication signal wires of five side's intercommunication elevator ends 1；Five side's intercommunication elevator ends 1
Voice signal remote port 2 is sent to by audio-frequency transformer 41, audio receiving unit, audio input end 32.
In the process of running, remote port 2 (or referred to as distal end duty room) can issue calling, in general calling 4G module
3 corresponding SIM card numbers realize that 4G module 3 will establish and the call of remote port 2, say voice signal by audio output 31
To audio transmission unit, audio transmission unit handles voice signal for output, is then coupled to by audio-frequency transformer 41
On five side's intercommunication signal wires, the voice signal ready to receive of five side's intercommunication elevator end 1.
If five side's intercommunication elevator ends 1 is wanted to initiate calling, in general, voice signal passes through audio-frequency transformer 41, audio
Voice signal is sent to 4G module 3 by receiving unit, audio input end 32, and 4G module 3 transmits after being converted into digital signal
To remote port 2.
In the present embodiment, voice signal refers both to analog signal.
In the present embodiment, five side's intercommunication elevator ends 1 are the prior art, in general, including monitoring center terminal, computer room
Terminal, carriage terminal, car top terminal and hole bottom terminal.
Calling is initiated in remote port 2 and five side's intercommunication elevator ends 1 in order to more accurate, further includes being connect for detecting audio
Receive the DTMF detection circuit 42 and MCU of DTMF (Dual Tone Multi Frequency, dual-tone multifrequency) signal of unit
(Microcontroller Unit；Micro-control unit) processor 6；The MCU processor 6 respectively with DTMF detection circuit
42,4G module 3 is connected.
In general, as implicit, a dtmf signal generation circuit built in 4G module.Preferably, five sides
Intercommunication signal wire is T/G cable 5, and T/G cable 5 not only provides power supply (24V/DC) for each terminal, and is loaded with voice signal, is
The telecommunication media of each five sides talk back equipment.
When remote port 2 initiates to call, the dtmf signal built in 4G module 3 occurs circuit and issues DTMF (7), passes through 4G module
Audio output output, be finally transferred to five side's intercom systems, five side's intercommunication elevator ends 1 can ring or press-to-talk key into
Row call.
When the DTMF detection circuit 42 in the calling initiated from five side's intercommunication elevator ends 1, audio processing modules 4 can detect sound
The dtmf signal of frequency receiving unit, then MCU processor 6 recognizes signaling DTMF (7), and MCU processor 6 controls 4G module 3 and exhales
It is the telephone number of remote port 2, foundation is connected with the call of remote port 2.
And on-hook process is then that circuit sending signaling DTMF (0) occurs for corresponding dtmf signal, makes both sides' on-hook.
In the present embodiment, the audio processing modules 4 further include anti-side-tone circuit 43；The anti-side-tone circuit 43
It is respectively connected to audio transmission unit, audio receiving unit and is used to transmit audio transmission unit, audio receiving unit
The processing of voice signal anti-sidetone.Anti-side-tone circuit 43 uses phase-offset method anti-sidetone, which is circuit commonly used in the art,
Other anti-side-tone circuits 43 can certainly be selected, this is not limited excessively.
In addition, the audio processing modules 4 further include level detection unit 44；The level detection unit 44 is distinguished
It is connected to audio transmission unit, audio receiving unit and the voice for being transmitted to audio transmission unit, audio receiving unit
Signal carries out corresponding gain process.The voice signal and audio reception list that level detection unit 44 inputs audio transmission unit
The level of the voice signal of member output is detected, and attenuator gain is controlled and received and sent with this, when detecting transmission, from
It is dynamic to increase receiving attenuation device, to realize half-duplex operation.
Specifically, the audio transmission unit includes sequentially connected audio input interface 45, the first attenuator circuit
46, the first amplifier 47 (AMP), transmission attenuator 48；The audio input interface 45 and audio output 31 connect；It is described
Transmission attenuator 48 and audio-frequency transformer 41 connect, the audio receiving unit includes sequentially connected audio output interface
49, the second attenuator circuit 401, the second amplifier 402 (AMP), receiving attenuation device 403；The audio output interface 49 and sound
Frequency input terminal 32 connects, and the receiving attenuation device 403 and audio-frequency transformer 41 connect.The control of level detection unit 44 first declines
Half-duplex operation is realized in the gain on powered down road 46 and the second attenuator circuit 401.
As the further preferred of the present embodiment, RS232 debugging module 61, USB are connected in the MCU processor 6
Debugging module 62, LED display module 63, RESET module 64, the MCU processor 6 and 4G module 3 are connected by USB interface 7
It connects.
In order to further illustrate the working principle of the present embodiment, its working principle is carried out in conjunction with attached drawing 2-5 further detailed
It describes in detail bright.
With reference to Fig. 2, five side's intercommunication elevator ends 1 require to converse with distal end duty room: five side's intercommunication elevator ends 1 either party
(monitoring center terminal, computer room terminal, carriage terminal, car top terminal and hole bottom terminal, be divided into 2 hosts, 3 slaves) caller or touching
Hair alarm can all trigger the phone number that DTU (i.e. the industrial router of the scheme of collection cost implementation) removes calling distal end duty room
Code, the step control 4G module 3 by MCU processor 6 and complete.Once distal end duty room staff's off-hook, can be with distal end
Duty room is conversed.
With reference to Fig. 3, distal end duty room requires to converse with five side's intercommunication elevator ends 1: distal end duty room calls SIM built in DTU
The number of card, DTU can send signaling DTMF (7) to five side's intercom systems, make 2 ring of host 1 and host, host 1 or host 2
" call " button is pressed, can connect and converse with remote monitoring room.
Signaling DTMF is issued with reference to the DTMF detection circuit 42 of Fig. 4, five side's intercommunication elevator ends, 1 on-hook, audio processing modules 4
(0), MCU receives control 4G module 3 and distal end duty room communication disruption after the signaling.
With reference to Fig. 5, distal end duty room on-hook, circuit, which occurs, for the dtmf signal built in 4G module 3 can send signaling DTMF (0)
To MCU controller, MCU controller interrupts five side's intercommunication elevator ends 1 and extraneous communication.
This programme is compared as follows with the other solution advantage and disadvantage in market:
| Attribute type | Simulate intercom system | Ordinary numbers intercom system | This programme |
| Anti-interference | It is poor | Preferably | It is poor |
| Transmittability | It is poor | Preferably | Preferably |
| Data storage | It is poor | Preferably | Preferably |
| Product cost | It is lower | It is higher | It is lower |
| Construction cost | It is lower | It is higher | Generally |
From list above as can be seen that although this programme still has the shortcomings that poor anti-interference of simulation intercom system, its
The advantage of simulation intercommunication and ordinary numbers intercom system, relatively low cost are taken into account, transmission/convenient storage, easily construction will be won
The bigger market competitiveness.
Above-described is only the preferred embodiment of the utility model, all within the scope of the spirit and principles of the utility model
Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of elevator maintenance multi-party inter-speaking system based on 4G module speech, including five side's intercommunication elevator ends and remote port,
It is characterized in that, further includes 4G module and audio processing modules；The remote port, 4G module, audio processing modules, five side's intercommunications
Elevator end is sequentially connected；
The audio processing modules include audio transmission unit, audio receiving unit, audio-frequency transformer；The 4G module is set
There are audio output and audio input end；The voice signal of remote port passes through audio output, audio transmission unit, audio transformation
Device is output on five side's intercommunication signal wires of five side's intercommunication elevator ends；The voice signal of five side's intercommunication elevator ends passes through audio transformation
Device, audio receiving unit, audio input end are sent to remote port.
2. the elevator maintenance multi-party inter-speaking system according to claim 1 based on 4G module speech, which is characterized in that also wrap
Include the DTMF detection circuit and MCU processor of the dtmf signal for detecting audio receiving unit；The MCU processor difference
It is connected with DTMF detection circuit, 4G module.
3. the elevator maintenance multi-party inter-speaking system according to claim 2 based on 4G module speech, which is characterized in that described
Audio processing modules further include anti-side-tone circuit；The anti-side-tone circuit is respectively connected to audio transmission unit, audio connects
It receives unit and the voice signal anti-sidetone for being transmitted to audio transmission unit, audio receiving unit is handled.
4. the elevator maintenance multi-party inter-speaking system according to claim 1 based on 4G module speech, which is characterized in that described
Audio processing modules further include level detection unit；The level detection unit is respectively connected to audio transmission unit, sound
At frequency receiving unit and the corresponding gain of the voice signal for being used to transmit audio transmission unit, audio receiving unit progress
Reason.
5. the elevator maintenance multi-party inter-speaking system according to claim 1 based on 4G module speech, which is characterized in that described
Audio transmission unit include sequentially connected audio input interface, the first attenuator circuit, the first amplifier, send attenuator；
The audio input interface is connected with audio output；The transmission attenuator is connected with audio-frequency transformer.
6. the elevator maintenance multi-party inter-speaking system according to claim 1 based on 4G module speech, which is characterized in that described
Audio receiving unit include sequentially connected audio output interface, the second attenuator circuit, the second amplifier, receiving attenuation device；
The audio output interface is connected with audio input end, and the receiving attenuation device is connected with audio-frequency transformer.
7. the elevator maintenance multi-party inter-speaking system according to claim 1 based on 4G module speech, which is characterized in that described
Five side's intercommunication signal wires be T/G cable.
8. the elevator maintenance multi-party inter-speaking system according to claim 2 based on 4G module speech, which is characterized in that described
MCU processor connect with 4G module by USB interface.
9. -8 any elevator maintenance multi-party inter-speaking system based on 4G module speech, feature exist according to claim 1
In five side's intercommunication elevator ends include monitoring center terminal, computer room terminal, carriage terminal, car top terminal and hole bottom terminal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920249295.4U CN209170585U (en) | 2019-02-27 | 2019-02-27 | A kind of elevator maintenance multi-party inter-speaking system based on 4G module speech |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920249295.4U CN209170585U (en) | 2019-02-27 | 2019-02-27 | A kind of elevator maintenance multi-party inter-speaking system based on 4G module speech |
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| Publication Number | Publication Date |
|---|---|
| CN209170585U true CN209170585U (en) | 2019-07-26 |
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| CN201920249295.4U Active CN209170585U (en) | 2019-02-27 | 2019-02-27 | A kind of elevator maintenance multi-party inter-speaking system based on 4G module speech |
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Address after: 511356 Room 501, building 2, No. 63, Yong'an Avenue, Huangpu District, Guangzhou, Guangdong Patentee after: Guangzhou lubangtong Internet of things Technology Co.,Ltd. Address before: 510653 3rd floor, building F, kehuiyuan, 95 Daguan Road, Tianhe District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU ROBUSTEL TECHNOLOGIES Co.,Ltd. |