CN209218083U - A kind of band signal instruction output, noise-reducing COP slave circuit - Google Patents
A kind of band signal instruction output, noise-reducing COP slave circuit Download PDFInfo
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- CN209218083U CN209218083U CN201821962437.3U CN201821962437U CN209218083U CN 209218083 U CN209218083 U CN 209218083U CN 201821962437 U CN201821962437 U CN 201821962437U CN 209218083 U CN209218083 U CN 209218083U
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Abstract
The utility model discloses and provides a kind of band signal instruction output, noise-reducing COP slave circuit, it includes intercom interface, telecommunication circuit, microphone pickup amplifying circuit, noise-reducing difference channel, microphone level control circuit, MIC, power amplifier level control circuit, PAC circuit, audio power amplifier circuit, SPK, indicator light interface, the bright state of indicator light amber light, indicator light green light state, indicating lamp control circuit R threadiness state, indicating lamp control circuit L threadiness state, single-chip microcontroller, exhalation/incoming signal detection circuit sample circuit, detect R threadiness state, detect L threadiness state, the utility model to each function is compatible by integrating, it has developed and is exported with signal designation, noise-reducing slave series of products, it is exported after the triggering of carriage alarm signal by the machine, without passing through the control of elevator software program, so that the two is same Shi Yunhang will not interfere with each other the appearance of the case where influence call, it is ensured that elevator intercom system runs correctness and stability.
Description
Technical field
The utility model relates to elevator intercommunication technical field more particularly to a kind of outputs of live ladder intercommunication signal designation, drop
Noise COP slave circuit.
Background technique
There are the following problems when elevator intercommunication is broken down in the prior art: 1, not corresponding to after cab interior call alerts
Indicator light to reflect card, oneself completes calling procedure, do not pacified directly after trapped person's call alerts phone；2, carriage
Interior response failure calls accessory higher cost, and there is still a need for elevator interior control systems for partial function control to complete, and function
Unicity；3, independent elevator device control installation procedure is more；4, the power line of system cabling and frequency converter etc. be not separate, avoids
Or it separates and causes intercommunication communication noise and crosstalk phenomenon, poor anti jamming capability, occupation rate of market low.It has to pass through in summary and is
The R & D design of system improves the above drawback.
Utility model content
Technical problem to be solved in the utility model is overcome the deficiencies in the prior art, is provided a kind of with signal designation
Output, noise-reducing slave series of products include COP slave circuit, are exported after the triggering of carriage alarm signal by the machine, without passing through
The control of elevator software program, so that the two is run simultaneously does not have the case where interfering with each other influence call appearance, it is ensured that elevator
Intercom system runs correctness and stability.
The technical scheme adopted by the utility model is a kind of band signal instruction output, noise-reducing COP slave circuit, it
Including intercom part, indicator light part, power unit, the power unit provides the intercom part, indicator light part
Working power, the intercom part include intercom interface, telecommunication circuit, microphone pickup amplifying circuit, noise-reducing differential electrical
Road, microphone level control circuit, MIC, power amplifier level control circuit, PAC circuit, audio power amplifier circuit, SPK, the intercom
Interface is separately connected the telecommunication circuit and power amplifier level control circuit, the telecommunication circuit and microphone pickup amplification electricity
Road, noise-reducing difference channel, microphone level control circuit, MIC are connected in series, and the other end of the MIC connects circuit altogether, institute
It states power amplifier level control circuit and the PAC circuit, audio power amplifier circuit, SPK is connected in series, the other end connection of the SPK
Circuit is altogether；The indicator light part includes indicator light interface, the bright state of indicator light amber light, indicator light green light state, instruction
Lamp control circuit R threadiness state, indicating lamp control circuit L threadiness state, single-chip microcontroller, exhalation/incoming signal detection circuit sample circuit,
R threadiness state, detection L threadiness state are detected, the indicator light interface is separately connected the bright state of the indicator light amber light, indicator light green light
Bright state, the bright state of indicator light amber light connect the detection R threadiness state, and the indicator light green light state connects the inspection
L threadiness state is surveyed, the detection R threadiness state, detection L threadiness state are separately connected the single-chip microcontroller, and the single-chip microcontroller is also respectively connected with
The exhalation/incoming signal detection circuit sample circuit, detection R threadiness state, detection L threadiness state.
The power unit includes power circuit and isolation circuit, and the power circuit is separately connected the microphone level control
Circuit and audio power amplifier circuit processed, the power circuit also pass through the series connection isolation circuit and connect with the single-chip microcontroller.
The beneficial effects of the utility model are: it includes intercom part, indicator light part, power supply due to the utility model
Part, the power unit provide the intercom part, indicator light part working power, and the intercom part includes intercommunication
Machine interface, telecommunication circuit, microphone pickup amplifying circuit, noise-reducing difference channel, microphone level control circuit, MIC, power amplifier level
Control circuit, PAC circuit, audio power amplifier circuit, SPK, the intercom interface are separately connected the telecommunication circuit and power amplifier electricity
Level control circuit, the telecommunication circuit and the microphone pickup amplifying circuit, noise-reducing difference channel, microphone level control electricity
Road, MIC are connected in series, and the other end of the MIC connects circuit altogether, the power amplifier level control circuit and the called electricity
Road, audio power amplifier circuit, SPK are connected in series, and the other end connection circuit of the SPK is altogether；The indicator light part includes referring to
Show lamp interface, the bright state of indicator light amber light, indicator light green light state, indicating lamp control circuit R threadiness state, indicator light control electricity
Road L threadiness state, single-chip microcontroller, exhalation/incoming signal detection circuit sample circuit, detection R threadiness state, detection L threadiness state, the finger
Show that lamp interface is separately connected the bright state of the indicator light amber light, indicator light green light state, the bright state of indicator light amber light connects
The detection R threadiness state is connect, the indicator light green light state connects the detection L threadiness state, the detection R threadiness state, inspection
It surveys L threadiness state and is separately connected the single-chip microcontroller, the single-chip microcontroller is also respectively connected with the exhalation/incoming signal detection circuit sampling
Circuit, detection R threadiness state, detection L threadiness state.So the utility model be a kind of convenient, fast, low-power consumption, modularization it is integrated,
Accessory it is at low cost with signal designation output, noise-reducing slave circuit.The utility model is opened by integrating to each function is compatible
It has issued with signal designation output, noise-reducing slave series of products, is exported after the triggering of carriage alarm signal by the machine, without logical
The control of elevator software program is crossed, so that the two is run simultaneously does not have the case where interfering with each other influence call appearance, it is ensured that electricity
Terraced intercom system operation correctness and stability.
Detailed description of the invention
Fig. 1 is the utility model circuit principle structure block diagram.
Specific embodiment
As shown in Figure 1, the utility model is a kind of band signal instruction output, noise-reducing COP slave circuit, it includes intercommunication
Machine part, indicator light part, power unit, the power unit provide the intercom part, indicator light part working power,
The intercom part includes intercom interface, telecommunication circuit, microphone pickup amplifying circuit, noise-reducing difference channel, microphone electricity
Level control circuit, MIC, power amplifier level control circuit, PAC circuit, audio power amplifier circuit, SPK, the intercom interface difference
Connect the telecommunication circuit and power amplifier level control circuit, the telecommunication circuit and the microphone pickup amplifying circuit, noise-reducing
Difference channel, microphone level control circuit, MIC are connected in series, and altogether, the power amplifier is electric for the other end connection circuit of the MIC
Level control circuit and the PAC circuit, audio power amplifier circuit, SPK are connected in series, and the other end connection circuit of the SPK is total
Ground；The indicator light part includes indicator light interface, the bright state of indicator light amber light, indicator light green light state, indicator light control
Circuit R threadiness state, indicating lamp control circuit L threadiness state, single-chip microcontroller, exhalation/incoming signal detection circuit sample circuit, detection R
Linear state, detection L threadiness state, the indicator light interface are separately connected the bright state of the indicator light amber light, indicator light green light shape
State, the bright state of indicator light amber light connect the detection R threadiness state, and the indicator light green light state connects the detection L
Linear state, the detection R threadiness state, detection L threadiness state are separately connected the single-chip microcontroller, and the single-chip microcontroller is also respectively connected with described
Exhalation/incoming signal detection circuit sample circuit, detection R threadiness state, detection L threadiness state.
The power unit includes power circuit and isolation circuit, and the power circuit is separately connected the microphone level control
Circuit and audio power amplifier circuit processed, the power circuit also pass through the series connection isolation circuit and connect with the single-chip microcontroller.
In the present embodiment, intercom converse power amplifier, microphone telecommunication signal difference channel, photoelectric isolation technology circuit,
Level detection output indicator circuit, single-chip microcontroller and peripheral voltage regulator circuit, constitute multifunctional integrated elevator intercommunication.In intercommunication
When system communicating talkback, the called microphone pickup of talk-back host amplifies by audio frequency power amplifier, then exports each point of pair from the R line of system
Machine, then loudspeaker output is amplified to by audio frequency power amplifier by each extension set pickup.When extension set/slave is called, by sending words microphone to pick up
Sound send to audio-frequency transformer coupling by audio frequency power amplifier amplification and is sent to each extension set/slave using the L line of intercom system and is formed
Full duplex call intercommunication.
Microphone send words difference channel: sending words with the level of traditional L line in circuit design to control microphone, works as talk-back host
L line peripheral circuit is pulled low level when off-hook, i.e. triode 2SB772 base stage is in 0V, and triode is begun to turn on, and plays level
The on-off action of control.After using differential transmission circuit and both-end balanced transmission techniques, sending can be offset on two conducting wires when words
Interference signal, and will not influence transmission normal signal, therefore inhibit noise jamming well.It makes an uproar to reduce communication
The influence of sound and crosstalk.
Photoelectric isolation technology circuit: since complicated scene causes common-mode voltage to be present between each node.Although difference
Circuit transmission also has certain jamproof ability, but if common mode disturbance voltage is greater than the TV university voltage that receiving end can bear,
When i.e.>+12V or<-10V, talk back equipment then be can not work normally, while can badly damaged talk back equipment.Therefore, in order to protect
The normal operation of talk back equipment, the design are fundamentally removed signal control light-coupled isolation using Opto Isolator circuit
The influence of common mode interference, to make main control chip effectively stable sex work.
The utility model has low in energy consumption, and circuit is simple, reliable and stable, comprehensively considers the compatibility of intercom system, studies
Intercom system interface circuit and each modular circuit are designed, integrated multi-functional intercom carriage slave is to greatly reduce life
Produce cost, cost of material.
Claims (2)
1. a kind of band signal instruction output, noise-reducing COP slave circuit, it is characterised in that: it includes intercom part, indicator light
Partially, power unit, the power unit provide the intercom part, indicator light part working power, the intercom portion
Point including intercom interface, telecommunication circuit, microphone pickup amplifying circuit, noise-reducing difference channel, microphone level control circuit,
MIC, power amplifier level control circuit, PAC circuit, audio power amplifier circuit, SPK, the intercom interface, which is separately connected, described send words
Circuit and power amplifier level control circuit, the telecommunication circuit and the microphone pickup amplifying circuit, noise-reducing difference channel, microphone
Level control circuit, MIC are connected in series, and the other end of the MIC connects circuit altogether, the power amplifier level control circuit and institute
It states PAC circuit, audio power amplifier circuit, SPK to be connected in series, the other end connection circuit of the SPK is altogether；The indicator light portion
Divide including indicator light interface, the bright state of indicator light amber light, indicator light green light state, indicating lamp control circuit R threadiness state, instruction
Lamp control circuit L threadiness state, single-chip microcontroller, exhalation/incoming signal detection circuit sample circuit, detection R threadiness state, detection L are linear
State, the indicator light interface are separately connected the bright state of the indicator light amber light, indicator light green light state, the indicator light amber light
Bright state connects the detection R threadiness state, and the indicator light green light state connects the detection L threadiness state, the detection R line
State, detection L threadiness state are separately connected the single-chip microcontroller, and the single-chip microcontroller is also respectively connected with the exhalation/incoming signal detection
Circuit sampling circuit, detection R threadiness state, detection L threadiness state.
2. band signal instruction output according to claim 1, noise-reducing COP slave circuit, it is characterised in that: the power supply
Part includes power circuit and isolation circuit, and the power circuit is separately connected the microphone level control circuit and audio frequency power amplifier
Circuit, the power circuit also pass through the series connection isolation circuit and connect with the single-chip microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821962437.3U CN209218083U (en) | 2018-11-27 | 2018-11-27 | A kind of band signal instruction output, noise-reducing COP slave circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821962437.3U CN209218083U (en) | 2018-11-27 | 2018-11-27 | A kind of band signal instruction output, noise-reducing COP slave circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209218083U true CN209218083U (en) | 2019-08-06 |
Family
ID=67461458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821962437.3U Active CN209218083U (en) | 2018-11-27 | 2018-11-27 | A kind of band signal instruction output, noise-reducing COP slave circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209218083U (en) |
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2018
- 2018-11-27 CN CN201821962437.3U patent/CN209218083U/en active Active
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