CN106506025A - SIP intercoms - Google Patents
SIP intercoms Download PDFInfo
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- CN106506025A CN106506025A CN201611243423.1A CN201611243423A CN106506025A CN 106506025 A CN106506025 A CN 106506025A CN 201611243423 A CN201611243423 A CN 201611243423A CN 106506025 A CN106506025 A CN 106506025A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3833—Hand-held transceivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3883—Arrangements for mounting batteries or battery chargers
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- Computer Networks & Wireless Communication (AREA)
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- Telephonic Communication Services (AREA)
Abstract
SIP intercoms belong to talk back equipment technical field, more particularly to a kind of SIP intercoms.The present invention provides a kind of easy to use, communication effect good SIP intercoms.The present invention includes network transformer, mixed-media network modules mixed-media, POE is by electric module, voltage transformation module, switch value input interface, output switch parameter interface, VOIP chip harmony card modules, the signal transmission port of its structural feature VOIP chip signal transmission port respectively with mixed-media network modules mixed-media, keystroke interface, the signal transmission port of sound card module is connected, the signal output port of VOIP chips is connected with output switch parameter interface by the first drive circuit, the signal input port of VOIP chips is connected with switch value input interface by the second drive circuit, the power port of VOIP chips is connected with the output port of voltage transformation module.
Description
Technical field
A kind of the invention belongs to talk back equipment technical field, more particularly to SIP intercoms.
Background technology
Intercom is a kind of bidirectional mobile communication instrument, in the case where any network support is not needed, it is possible to converse,
Without telephone expenses produce, it is adaptable to be relatively fixed and frequently conversing occasion.Intercom has three major types at present：Analog-interphone, number
Word intercom, IP intercoms.The function of existing intercom has to be reinforced, power supply mode single, uses and not enough facilitates.Separately
Outward, the power of existing intercom not enough big, tonequality is not good enough.
Content of the invention
The present invention is aiming at the problems referred to above, there is provided a kind of good SIP intercoms of easy to use, communication effect.
For achieving the above object, the present invention is adopted the following technical scheme that, the present invention include network transformer, mixed-media network modules mixed-media,
POE receives electric module, voltage transformation module, switch value input interface, output switch parameter interface, VOIP chip harmony card modules, its
The signal transmission port of structural feature VOIP chip signal transmission port respectively with mixed-media network modules mixed-media, keystroke interface, sound card module
Signal transmission port be connected, the signal output port of VOIP chips is by the first drive circuit and output switch parameter interface phase
Even, the signal input port of VOIP chips is connected with switch value input interface by the second drive circuit, the power supply of VOIP chips
Port is connected with the output port of voltage transformation module.
The input port of the voltage transformation module is connected by the output port of electric module with DC interfaces, POE respectively, POE
It is connected with the output port of power source of network transformer by the electric input port of module, the signal transmission port difference of network transformer
It is connected with the signal transmission port of network interface, mixed-media network modules mixed-media；The signal output port of the sound card module respectively with power amplifier module
Signal input port, MIC interfaces are connected, and the signal output port of power amplifier module is connected with horn interface.
Used as another kind of preferred version, voltage transformation module of the present invention adopts AMS1117-3.3V chip U19, U21
With AMS1117-1.8V chip U9,3 pin of U19 are connected with 3 pin of VDD_5V ends, U21 respectively, 4 pin of U19 respectively with U21 4
Pin, 2 pin of U19,2 pin of U21,3.3V ends are connected, 1 pin of U19, the 1 pin ground connection of U21；3 pin of U9 connect VDD_5V ends, and the 1 of U9
Pin is grounded, and 4,2 pin of U9 connect 1.8V ends.
Used as another kind of preferred version, VOIP chips of the present invention adopt CM5000 chip U4, and 189 pin of U4 are by electricity
Resistance R167 is connected with NPN triode Q3 emitter stage, resistance R167 one end respectively, and the R167 other ends are grounded, and Q3 colelctor electrodes meet VDD_
Detected with resistance R166 one end, resistance R165 one end, KF15EDG input switches amount by resistance R164 respectively in 5V ends, Q3 base stages
4 pin of end J20 are connected, and the R165 other ends are grounded, another termination VDD_5V ends of R166.
188 pin of U4 are connected with NPN triode Q4 emitter stage, resistance R168 one end respectively by resistance R172, and R168 is another
One end is grounded, and Q4 colelctor electrodes connect VDD_5V ends, Q4 base stages by resistance R169 respectively with resistance R171 one end, resistance R170 mono-
End, 2 pin of J20 are connected, and the R170 other ends are grounded, another termination VDD_5V ends of R171.
192 pin of U4 are connected with resistance R157 one end, resistance R158 one end respectively, and the R158 other ends are grounded, and R157 is another
End is connected with NPN triode Q2 base stage, PNP triode Q8 base stage respectively, Q2 emitter stages and Q8 grounded collectors, and Q2 colelctor electrodes divide
Be not connected with 9 pin of Q8 emitter stages, G5V-1-5VDC relay K2,2 pin of K2 connect VDD_5V ends, 1,10 pin of K2 with
3,1 pin of KF15EDG output switch amount control ends J19 is correspondingly connected, and 5,6 pin of K2 are connected with 2 pin of J19.
193 pin of U4 are connected with resistance R155 one end, resistance R156 one end respectively, and the R156 other ends are grounded, and R155 is another
End is connected with NPN triode Q1 base stage, PNP triode Q7 base stage respectively, Q1 emitter stages and Q7 grounded collectors, and Q1 colelctor electrodes divide
It is not connected with 9 pin of Q7 emitter stages, G5V-1-5VDC relay K1,2 pin of K1 connect VDD_5V ends, 1,10 pin and J19 of K1
6th, 4 pin are correspondingly connected, and 5,6 pin of K1 are connected with 5 pin of J19.
149 pin of U4 are connected with resistance R191 one end, and 2 pin of U4 are connected with resistance R192 one end, 4 pin of U4 and resistance
R193 one end be connected, the R191 other ends respectively with the R192 other ends, the R193 other ends, resistance R190 one end, resistance R175 one end,
Resistance R176 one end is connected, and the R175 other ends are connected with NPN triode Q5 base stage, PNP triode Q6 base stage respectively, and R176 is another
End is connected with Q5 emitter stages, Q6 colelctor electrodes, ground wire respectively, and the R190 other ends are connect with Q5 colelctor electrodes, Q6 emitter stages, CON4P respectively
3 pin of line terminals M1,3 pin of CON4P binding post M2,3 pin of CON4P binding post M3,3 pin of CON4P binding post M4
It is connected, 2 pin of M1,2 pin of M2,2 pin of M3,2 pin of M4 connect KEYOUT4# ends, and 1 pin of M1 connects KEYIN3# ends, and 1 pin of M2 connects
KEYIN4# ends, 1 pin of M3 connect KEYIN5# ends, and 1 pin of M4 connects KEYIN6# ends.
107 pin of U4 are connected with 19 pin of W9812G6JH chip U1, and 106 pin of U4 are connected with 18 pin of U1, and the 105 of U4
Pin is connected with 38 pin of U1, and 104 pin of U4 are connected with 17 pin of U1, and 99 pin of U4 are connected with 39 pin of U1,103 pin of U4 with
16 pin of U1 are connected, and 98 pin of U4 are connected with 15 pin of U1.
139 pin of U4 are connected with 11 pin of EN29LV160AT-70TCP chip U3, and 141 pin of U4 are connected with 28 pin of U3,
142 pin of U4 are connected with 26 pin of U3.
Used as a kind of preferred version, mixed-media network modules mixed-media of the present invention adopts IP101 network card chip U2, the network transformer
Using 11FB-05NL network transformer T1, the network interface adopts RJ45 network interface J18.
25,26 pin of U2 are corresponding with the 56 of U4,55 pin respectively to be connected, the 6 of U2,5,4,3 pin respectively with U4 68,70,71,
73 pin correspondingly connect, the 2 of U2,7,22 pin are corresponding with the 74 of U4,67,58 pin respectively connects, the 21 of U2,20,19,18 pin respectively with
The 60 of U4,61,63,64 pin correspondingly connect, 16 pin of U2 are connected with 65 pin of U4,1,23 pin of U2,75,57 pin respectively with U4
Corresponding connection, 8 pin of U2 are connected with 32 pin of U2 by inductance L5.
31,30 pin of U2 are corresponding with the 6 of T1,8 pin respectively to be connected, and 33,34 pin of U2 are corresponding with the 3 of T1,1 pin respectively to be connected
Connect, 16,14 pin of T1 are corresponding with the 1 of J18,2 pin respectively to be connected, 11,9 pin of T1 are corresponding with the 3 of J18,6 pin respectively to be connected；T1
15,10 pin corresponding connected by 1,2 pin of electric module WC-PD13C050I U18 with POE respectively.
Secondly, sound card module of the present invention adopts WM8510 chip U8,28 pin of U8 by electric capacity C93, resistance R80 with
4 pin of U8 are connected, the 19 of U8,18,17 pin are corresponding with the 207 of U4,204,206 pin respectively connects, 13 pin of U8 and 14 pin of U4
It is connected, 14 pin of U8 are connected with 12 pin of U4, and 15 pin of U8 are connected with 17 pin of U4, and 16 pin of U8 are connected with 19 pin of U4.
25 pin of U8 are connected with 3 pin of resistance R159 one end, LM4871 chip U17 respectively by electric capacity C202, R106,
2 pin of another termination U17 of R159；22 pin of U8 are by electric capacity C165, resistance R152 4 pin respectively with U17, resistance R153 one end
It is connected, 5 pin of another termination U8 of R153；197 pin of U4 are connected with 36 pin of C8051F340 chip U20,32 pin of U4 and U20
46 pin be connected.
In addition, DC interfaces of the present invention adopt DC5V interfaces, the keystroke interface is four.
Beneficial effect of the present invention.
The present invention is integrated with network transformer, mixed-media network modules mixed-media, POE by electric module, voltage transformation module, On-off signal mould
The components and parts such as block, switching value output module, VOIP modules, sound card module, interface, possess a hands-free, key call function, adopt
Poe powers, and rating of set is big, tonequality is good.
POE of the present invention is obtained from POE supply networks by electric module and is exported 5V voltages after conversion, is used for whole machine.
Description of the drawings
The present invention will be further described with reference to the accompanying drawings and detailed description.The scope of the present invention not only limits to
Statement in herein below.
Fig. 1 is schematic structural view of the invention.
Fig. 2 is schematic block circuit diagram of the present invention.
Fig. 3-1,3-2,3-3,3-4,3-5,3-6 are circuit theory diagrams of the present invention.
Specific embodiment
As illustrated, the present invention includes network transformer, mixed-media network modules mixed-media, POE by electric module, voltage transformation module, switch
Amount input interface, output switch parameter interface, VOIP chip harmony card modules, the signal transmission port of VOIP chips respectively with network
The signal transmission port of module, keystroke interface, the signal transmission port of sound card module are connected, the signal output port of VOIP chips
Be connected with output switch parameter interface by the first drive circuit, the signal input port of VOIP chips by the second drive circuit with
Switch value input interface is connected, and the power port of VOIP chips is connected with the output port of voltage transformation module.
The input port of the voltage transformation module is connected by the output port of electric module with DC interfaces, POE respectively, POE
It is connected with the output port of power source of network transformer by the electric input port of module, the signal transmission port difference of network transformer
It is connected with the signal transmission port of network interface, mixed-media network modules mixed-media；The signal output port of the sound card module respectively with power amplifier module
Signal input port, MIC interfaces are connected, and the signal output port of power amplifier module is connected with horn interface.
The voltage transformation module adopts AMS1117-3.3V chip U19, U21 and AMS1117-1.8V chip U9, U19's
3 pin are connected with 3 pin of VDD_5V ends, U21 respectively, 4 pin of U19 4 pin respectively with U21,2 pin of U19,2 pin of U21,3.3V
End is connected, 1 pin of U19, the 1 pin ground connection of U21；3 pin of U9 connect VDD_5V ends, and the 1 pin ground connection of U9,4,2 pin of U9 connect 1.8V ends.
5V is converted to 3.3V and 1.8V voltages by 1117-3.3V and 1117-1.8V chips by voltage transformation module, and wherein 3.3V powers
Whole machine is used, and 1.8V is used for VOIP chips.
The VOIP chips adopt 189 pin of CM5000 chip U4, U4 to be sent out with NPN triode Q3 by resistance R167 respectively
Emitter-base bandgap grading, resistance R167 one end are connected, and the R167 other ends are grounded, and Q3 colelctor electrodes connect VDD_5V ends, and Q3 base stages are by resistance R164 point
It is not connected with 4 pin of resistance R166 one end, resistance R165 one end, KF15EDG input switch amount test side J20, the R165 other ends
Ground connection, another termination VDD_5V ends of R166.
188 pin of U4 are connected with NPN triode Q4 emitter stage, resistance R168 one end respectively by resistance R172, and R168 is another
One end is grounded, and Q4 colelctor electrodes connect VDD_5V ends, Q4 base stages by resistance R169 respectively with resistance R171 one end, resistance R170 mono-
End, 2 pin of J20 are connected, and the R170 other ends are grounded, another termination VDD_5V ends of R171.
192 pin of U4 are connected with resistance R157 one end, resistance R158 one end respectively, and the R158 other ends are grounded, and R157 is another
End is connected with NPN triode Q2 base stage, PNP triode Q8 base stage respectively, Q2 emitter stages and Q8 grounded collectors, and Q2 colelctor electrodes divide
Be not connected with 9 pin of Q8 emitter stages, G5V-1-5VDC relay K2,2 pin of K2 connect VDD_5V ends, 1,10 pin of K2 with
3,1 pin of KF15EDG output switch amount control ends J19 is correspondingly connected, and 5,6 pin of K2 are connected with 2 pin of J19.
193 pin of U4 are connected with resistance R155 one end, resistance R156 one end respectively, and the R156 other ends are grounded, and R155 is another
End is connected with NPN triode Q1 base stage, PNP triode Q7 base stage respectively, Q1 emitter stages and Q7 grounded collectors, and Q1 colelctor electrodes divide
It is not connected with 9 pin of Q7 emitter stages, G5V-1-5VDC relay K1,2 pin of K1 connect VDD_5V ends, 1,10 pin and J19 of K1
6th, 4 pin are correspondingly connected, and 5,6 pin of K1 are connected with 5 pin of J19.
149 pin of U4 are connected with resistance R191 one end, and 2 pin of U4 are connected with resistance R192 one end, 4 pin of U4 and resistance
R193 one end be connected, the R191 other ends respectively with the R192 other ends, the R193 other ends, resistance R190 one end, resistance R175 one end,
Resistance R176 one end is connected, and the R175 other ends are connected with NPN triode Q5 base stage, PNP triode Q6 base stage respectively, and R176 is another
End is connected with Q5 emitter stages, Q6 colelctor electrodes, ground wire respectively, and the R190 other ends are connect with Q5 colelctor electrodes, Q6 emitter stages, CON4P respectively
3 pin of line terminals M1,3 pin of CON4P binding post M2,3 pin of CON4P binding post M3,3 pin of CON4P binding post M4
It is connected, 2 pin of M1,2 pin of M2,2 pin of M3,2 pin of M4 connect KEYOUT4# ends, and 1 pin of M1 connects KEYIN3# ends, and 1 pin of M2 connects
KEYIN4# ends, 1 pin of M3 connect KEYIN5# ends, and 1 pin of M4 connects KEYIN6# ends.
107 pin of U4 are connected with 19 pin of W9812G6JH chip U1, and 106 pin of U4 are connected with 18 pin of U1, and the 105 of U4
Pin is connected with 38 pin of U1, and 104 pin of U4 are connected with 17 pin of U1, and 99 pin of U4 are connected with 39 pin of U1,103 pin of U4 with
16 pin of U1 are connected, and 98 pin of U4 are connected with 15 pin of U1.
139 pin of U4 are connected with 11 pin of EN29LV160AT-70TCP chip U3, and 141 pin of U4 are connected with 28 pin of U3,
142 pin of U4 are connected with 26 pin of U3.Switch value input interface is to carry out conversion by triode to input to VOIP chips, realizes
The functions such as emergency alarm.Output switch parameter interface is by VOIP chip controls relay on-offs, realizes gate inhibition, sound and light alarm etc.
Function.W9812G6JH is RAM, and EN29LV160AT is FLASH.CM5000 chips realize that Session Initiation Protocol is changed, intercom configuration etc.
Function, is the core of whole machine.
The mixed-media network modules mixed-media adopts IP101 network card chip U2, the network transformer to adopt 11FB-05NL network transformers
T1, the network interface adopt RJ45 network interface J18.
25,26 pin of U2 are corresponding with the 56 of U4,55 pin respectively to be connected, the 6 of U2,5,4,3 pin respectively with U4 68,70,71,
73 pin correspondingly connect, the 2 of U2,7,22 pin are corresponding with the 74 of U4,67,58 pin respectively connects, the 21 of U2,20,19,18 pin respectively with
The 60 of U4,61,63,64 pin correspondingly connect, 16 pin of U2 are connected with 65 pin of U4,1,23 pin of U2,75,57 pin respectively with U4
Corresponding connection, 8 pin of U2 are connected with 32 pin of U2 by inductance L5.
31,30 pin of U2 are corresponding with the 6 of T1,8 pin respectively to be connected, and 33,34 pin of U2 are corresponding with the 3 of T1,1 pin respectively to be connected
Connect, 16,14 pin of T1 are corresponding with the 1 of J18,2 pin respectively to be connected, 11,9 pin of T1 are corresponding with the 3 of J18,6 pin respectively to be connected；T1
15,10 pin corresponding connected by 1,2 pin of electric module WC-PD13C050I U18 with POE respectively.Mixed-media network modules mixed-media is based on network interface card
Chip I P101, building by peripheral circuit, it is achieved that 1 tunnel, hundred Broadcom, are connected with external network for VOIP chips.
RJ45 is external network interface.
The sound card module adopts 28 pin of WM8510 chip U8, U8 to pass through electric capacity C93, the 4 pin phases of resistance R80 and U8
Even, the 19 of U8,18,17 pin are corresponding with the 207 of U4,204,206 pin respectively connects, and 13 pin of U8 are connected with 14 pin of U4, U8's
14 pin are connected with 12 pin of U4, and 15 pin of U8 are connected with 17 pin of U4, and 16 pin of U8 are connected with 19 pin of U4.
25 pin of U8 are connected with 3 pin of resistance R159 one end, LM4871 chip U17 respectively by electric capacity C202, R106,
2 pin of another termination U17 of R159；22 pin of U8 are by electric capacity C165, resistance R152 4 pin respectively with U17, resistance R153 one end
It is connected, 5 pin of another termination U8 of R153；197 pin of U4 are connected with 36 pin of C8051F340 chip U20,32 pin of U4 and U20
46 pin be connected.Sound card module is to realize playing sound and MIC pickup functions by WM8510 chips.PCM is believed by sound card module
Number switch to Speak+MIC.C8051F340 chips can prevent CM5000 from software crash or seemingly-dead reset control occur.When
When CM5000 is working properly, output waveform is detected for C8051F340；When CM5000 operation irregularities or deadlock phenomenon, without waveform
Output, when C8051F340 is had found without waveform, reset CM5000 so as to restart.
The DC interfaces adopt DC5V interfaces, and the keystroke interface is four.
It is understood that above with respect to the specific descriptions of the present invention, being merely to illustrate the present invention and being not limited to this
Technical scheme described by inventive embodiments, it will be understood by those within the art that, still the present invention can be carried out
Modification or equivalent, to reach identical technique effect；As long as meet use needs, all protection scope of the present invention it
Interior.
Claims (6)
1.SIP intercoms, are connect by electric module, voltage transformation module, On-off signal including network transformer, mixed-media network modules mixed-media, POE
Mouth, output switch parameter interface, VOIP chip harmony card modules, it is characterised in that the signal transmission port of VOIP chips respectively with net
The signal transmission port of network module, keystroke interface, the signal transmission port of sound card module are connected, the signal output part of VOIP chips
Mouth is connected with output switch parameter interface by the first drive circuit, and the signal input port of VOIP chips passes through the second drive circuit
It is connected with switch value input interface, the power port of VOIP chips is connected with the output port of voltage transformation module；
The input port of the voltage transformation module is connected by the output port of electric module with DC interfaces, POE respectively, and POE is by electricity
The input port of module is connected with the output port of power source of network transformer, the signal transmission port of network transformer respectively with net
Mouth, the signal transmission port of mixed-media network modules mixed-media are connected；The signal output port of sound card module signal respectively with power amplifier module
Input port, MIC interfaces are connected, and the signal output port of power amplifier module is connected with horn interface.
2. SIP intercoms according to claim 1, it is characterised in that the voltage transformation module adopts AMS1117-3.3V cores
3 pin of piece U19, U21 and AMS1117-1.8V chip U9, U19 are connected with 3 pin of VDD_5V ends, U21 respectively, 4 pin point of U19
2 pin of 4 pin, U19 not with U21,2 pin of U21,3.3V ends are connected, 1 pin of U19, the 1 pin ground connection of U21；3 pin of U9 meet VDD_
5V ends, the 1 pin ground connection of U9,4,2 pin of U9 connect 1.8V ends.
3. SIP intercoms according to claim 2, it is characterised in that the VOIP chips adopt CM5000 chip U4, U4's
189 pin are connected with NPN triode Q3 emitter stage, resistance R167 one end respectively by resistance R167, and the R167 other ends are grounded, Q3 collection
Electrode connects VDD_5V ends, and Q3 base stages are input into resistance R166 one end, resistance R165 one end, KF15EDG respectively by resistance R164
4 pin of switching value end J20 are connected, and the R165 other ends are grounded, another termination VDD_5V ends of R166；
188 pin of U4 are connected with NPN triode Q4 emitter stage, resistance R168 one end respectively by resistance R172, the R168 other ends
Ground connection, Q4 colelctor electrodes connect VDD_5V ends, Q4 base stages by resistance R169 respectively with resistance R171 one end, resistance R170 one end, J20
2 pin be connected, the R170 other ends be grounded, another termination VDD_5V ends of R171；
192 pin of U4 are connected with resistance R157 one end, resistance R158 one end respectively, and the R158 other ends are grounded, the R157 other ends point
Be not connected with NPN triode Q2 base stage, PNP triode Q8 base stage, Q2 emitter stages and Q8 grounded collectors, Q2 colelctor electrodes respectively with
Q8 emitter stages, 9 pin of G5V-1-5VDC relay K2 are connected, and 2 pin of K2 connect VDD_5V ends, and 1,10 pin of K2 and KF15EDG are defeated
3,1 pin for going out digital output modul end J19 is correspondingly connected, and 5,6 pin of K2 are connected with 2 pin of J19；
193 pin of U4 are connected with resistance R155 one end, resistance R156 one end respectively, and the R156 other ends are grounded, the R155 other ends point
Be not connected with NPN triode Q1 base stage, PNP triode Q7 base stage, Q1 emitter stages and Q7 grounded collectors, Q1 colelctor electrodes respectively with
Q7 emitter stages, 9 pin of G5V-1-5VDC relay K1 are connected, and 2 pin of K1 connect VDD_5V ends, 6,4 pin of 1,10 pin and J19 of K1
Corresponding connected, 5,6 pin of K1 are connected with 5 pin of J19；
149 pin of U4 are connected with resistance R191 one end, and 2 pin of U4 are connected with resistance R192 one end, 4 pin of U4 and resistance R193 mono-
End be connected, the R191 other ends respectively with the R192 other ends, the R193 other ends, resistance R190 one end, resistance R175 one end, resistance
R176 one end is connected, and the R175 other ends are connected with NPN triode Q5 base stage, PNP triode Q6 base stage respectively, the R176 other ends point
Be not connected with Q5 emitter stages, Q6 colelctor electrodes, ground wire, the R190 other ends respectively with Q5 colelctor electrodes, Q6 emitter stages, CON4P terminals
3 pin of sub- M1,3 pin of CON4P binding post M2,3 pin of CON4P binding post M3,3 pin of CON4P binding post M4 are connected,
2 pin of M1,2 pin of M2,2 pin of M3,2 pin of M4 connect KEYOUT4# ends, and 1 pin of M1 connects KEYIN3# ends, and 1 pin of M2 connects
KEYIN4# ends, 1 pin of M3 connect KEYIN5# ends, and 1 pin of M4 connects KEYIN6# ends；
107 pin of U4 are connected with 19 pin of W9812G6JH chip U1, and 106 pin of U4 are connected with 18 pin of U1,105 pin of U4
It is connected with 38 pin of U1,104 pin of U4 are connected with 17 pin of U1,99 pin of U4 are connected with 39 pin of U1,103 pin of U4 and U1
16 pin be connected, 98 pin of U4 are connected with 15 pin of U1；
139 pin of U4 are connected with 11 pin of EN29LV160AT-70TCP chip U3, and 141 pin of U4 are connected with 28 pin of U3, U4's
142 pin are connected with 26 pin of U3.
4. SIP intercoms according to claim 3, it is characterised in that the mixed-media network modules mixed-media adopts IP101 network card chip U2, institute
Network transformer is stated using 11FB-05NL network transformer T1, the network interface adopts RJ45 network interface J18；
25,26 pin of U2 are corresponding with the 56 of U4,55 pin respectively to be connected, the 6 of U2,5,4,3 pin, 68,70,71,73 pin respectively with U4
Corresponding connect, the 2 of U2,7,22 pin are corresponding with the 74 of U4,67,58 pin respectively connects, the 21 of U2,20,19,18 pin are respectively with U4's
60th, 61,63,64 pin correspondingly connect, and 16 pin of U2 are connected with 65 pin of U4, and 1,23 pin of U2 are corresponding with the 75 of U4,57 pin respectively
Connection, 8 pin of U2 are connected with 32 pin of U2 by inductance L5；
31,30 pin of U2 are corresponding with the 6 of T1,8 pin respectively to be connected, and 33,34 pin of U2 are corresponding with the 3 of T1,1 pin respectively to be connected, T1
16,14 pin corresponding with the 1 of J18,2 pin respectively connect, 11,9 pin of T1 are corresponding with the 3 of J18,6 pin respectively to be connected；T1 15,
10 pin corresponding are connected by 1,2 pin of electric module WC-PD13C050I U18 with POE respectively.
5. SIP intercoms according to claim 3, it is characterised in that the sound card module adopts WM8510 chip U8, U8's
28 pin are connected with 4 pin of U8 by electric capacity C93, resistance R80, the 19 of U8,18,17 pin, 207,204,206 pin pair respectively with U4
Should connect, 13 pin of U8 are connected with 14 pin of U4,14 pin of U8 are connected with 12 pin of U4,15 pin of U8 are connected with 17 pin of U4,
16 pin of U8 are connected with 19 pin of U4；
25 pin of U8 are connected with 3 pin of resistance R159 one end, LM4871 chip U17 respectively by electric capacity C202, R106, and R159 is another
2 pin of one termination U17；22 pin of U8 are connected by electric capacity C165, resistance R152 4 pin respectively with U17, resistance R153 one end,
5 pin of another termination U8 of R153；197 pin of U4 are connected with 36 pin of C8051F340 chip U20,32 pin of U4 and 46 pin of U20
It is connected.
6. SIP intercoms according to claim 1, it is characterised in that the DC interfaces adopt DC5V interfaces, described by bonded
Mouth is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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